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n={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};if(void 0!==this.image){var i=this.image;if(void 0===i.uuid&&(i.uuid=_.generateUUID()),!t&&void 0===e.images[i.uuid]){var r;if(Array.isArray(i)){r=[];for(var a=0,o=i.length;a1)switch(this.wrapS){case 1e3:e.x=e.x-Math.floor(e.x);break;case 1001:e.x=e.x<0?0:1;break;case 1002:1===Math.abs(Math.floor(e.x)%2)?e.x=Math.ceil(e.x)-e.x:e.x=e.x-Math.floor(e.x)}if(e.y<0||e.y>1)switch(this.wrapT){case 1e3:e.y=e.y-Math.floor(e.y);break;case 1001:e.y=e.y<0?0:1;break;case 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Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this)},addScalar:function(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this},addVectors:function(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this.w=e.w+t.w,this},addScaledVector:function(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this},sub:function(e,t){return void 0!==t?(console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this)},subScalar:function(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this},subVectors:function(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this},multiplyScalar:function(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this},applyMatrix4:function(e){var t=this.x,n=this.y,i=this.z,r=this.w,a=e.elements;return this.x=a[0]*t+a[4]*n+a[8]*i+a[12]*r,this.y=a[1]*t+a[5]*n+a[9]*i+a[13]*r,this.z=a[2]*t+a[6]*n+a[10]*i+a[14]*r,this.w=a[3]*t+a[7]*n+a[11]*i+a[15]*r,this},divideScalar:function(e){return this.multiplyScalar(1/e)},setAxisAngleFromQuaternion:function(e){this.w=2*Math.acos(e.w);var t=Math.sqrt(1-e.w*e.w);return t<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=e.x/t,this.y=e.y/t,this.z=e.z/t),this},setAxisAngleFromRotationMatrix:function(e){var t,n,i,r,a=e.elements,o=a[0],s=a[4],l=a[8],c=a[1],h=a[5],u=a[9],p=a[2],d=a[6],f=a[10];if(Math.abs(s-c)<.01&&Math.abs(l-p)<.01&&Math.abs(u-d)<.01){if(Math.abs(s+c)<.1&&Math.abs(l+p)<.1&&Math.abs(u+d)<.1&&Math.abs(o+h+f-3)<.1)return this.set(1,0,0,0),this;t=Math.PI;var m=(o+1)/2,g=(h+1)/2,v=(f+1)/2,y=(s+c)/4,x=(l+p)/4,b=(u+d)/4;return m>g&&m>v?m<.01?(n=0,i=.707106781,r=.707106781):(i=y/(n=Math.sqrt(m)),r=x/n):g>v?g<.01?(n=.707106781,i=0,r=.707106781):(n=y/(i=Math.sqrt(g)),r=b/i):v<.01?(n=.707106781,i=.707106781,r=0):(n=x/(r=Math.sqrt(v)),i=b/r),this.set(n,i,r,t),this}var w=Math.sqrt((d-u)*(d-u)+(l-p)*(l-p)+(c-s)*(c-s));return Math.abs(w)<.001&&(w=1),this.x=(d-u)/w,this.y=(l-p)/w,this.z=(c-s)/w,this.w=Math.acos((o+h+f-1)/2),this},min:function(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this.w=Math.min(this.w,e.w),this},max:function(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this.w=Math.max(this.w,e.w),this},clamp:function(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this.w=Math.max(e.w,Math.min(t.w,this.w)),this},clampScalar:function(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this.w=Math.max(e,Math.min(t,this.w)),this},clampLength:function(e,t){var n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))},floor:function(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this},ceil:function(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this},round:function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this},roundToZero:function(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this.w=this.w<0?Math.ceil(this.w):Math.floor(this.w),this},negate:function(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this},dot:function(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.w},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)},manhattanLength:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)},normalize:function(){return this.divideScalar(this.length()||1)},setLength:function(e){return this.normalize().multiplyScalar(e)},lerp:function(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this.w+=(e.w-this.w)*t,this},lerpVectors:function(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this.w=e.w+(t.w-e.w)*n,this},equals:function(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w},fromArray:function(e,t){return void 0===t&&(t=0),this.x=e[t],this.y=e[t+1],this.z=e[t+2],this.w=e[t+3],this},toArray:function(e,t){return void 0===e&&(e=[]),void 0===t&&(t=0),e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e},fromBufferAttribute:function(e,t,n){return void 0!==n&&console.warn("THREE.Vector4: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this.w=e.getW(t),this},random:function(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}}),R.prototype=Object.assign(Object.create(y.prototype),{constructor:R,isWebGLRenderTarget:!0,setSize:function(e,t){this.width===e&&this.height===t||(this.width=e,this.height=t,this.texture.image.width=e,this.texture.image.height=t,this.dispose()),this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)},clone:function(){return(new this.constructor).copy(this)},copy:function(e){return this.width=e.width,this.height=e.height,this.viewport.copy(e.viewport),this.texture=e.texture.clone(),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,this.depthTexture=e.depthTexture,this},dispose:function(){this.dispatchEvent({type:"dispose"})}}),P.prototype=Object.assign(Object.create(R.prototype),{constructor:P,isWebGLMultisampleRenderTarget:!0,copy:function(e){return R.prototype.copy.call(this,e),this.samples=e.samples,this}}),Object.assign(C,{slerp:function(e,t,n,i){return n.copy(e).slerp(t,i)},slerpFlat:function(e,t,n,i,r,a,o){var s=n[i+0],l=n[i+1],c=n[i+2],h=n[i+3],u=r[a+0],p=r[a+1],d=r[a+2],f=r[a+3];if(h!==f||s!==u||l!==p||c!==d){var m=1-o,g=s*u+l*p+c*d+h*f,v=g>=0?1:-1,y=1-g*g;if(y>Number.EPSILON){var x=Math.sqrt(y),b=Math.atan2(x,g*v);m=Math.sin(m*b)/x,o=Math.sin(o*b)/x}var w=o*v;if(s=s*m+u*w,l=l*m+p*w,c=c*m+d*w,h=h*m+f*w,m===1-o){var _=1/Math.sqrt(s*s+l*l+c*c+h*h);s*=_,l*=_,c*=_,h*=_}}e[t]=s,e[t+1]=l,e[t+2]=c,e[t+3]=h},multiplyQuaternionsFlat:function(e,t,n,i,r,a){var o=n[i],s=n[i+1],l=n[i+2],c=n[i+3],h=r[a],u=r[a+1],p=r[a+2],d=r[a+3];return e[t]=o*d+c*h+s*p-l*u,e[t+1]=s*d+c*u+l*h-o*p,e[t+2]=l*d+c*p+o*u-s*h,e[t+3]=c*d-o*h-s*u-l*p,e}}),Object.defineProperties(C.prototype,{x:{get:function(){return this._x},set:function(e){this._x=e,this._onChangeCallback()}},y:{get:function(){return this._y},set:function(e){this._y=e,this._onChangeCallback()}},z:{get:function(){return this._z},set:function(e){this._z=e,this._onChangeCallback()}},w:{get:function(){return this._w},set:function(e){this._w=e,this._onChangeCallback()}}}),Object.assign(C.prototype,{isQuaternion:!0,set:function(e,t,n,i){return this._x=e,this._y=t,this._z=n,this._w=i,this._onChangeCallback(),this},clone:function(){return new this.constructor(this._x,this._y,this._z,this._w)},copy:function(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this},setFromEuler:function(e,t){if(!e||!e.isEuler)throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");var n=e._x,i=e._y,r=e._z,a=e.order,o=Math.cos,s=Math.sin,l=o(n/2),c=o(i/2),h=o(r/2),u=s(n/2),p=s(i/2),d=s(r/2);switch(a){case"XYZ":this._x=u*c*h+l*p*d,this._y=l*p*h-u*c*d,this._z=l*c*d+u*p*h,this._w=l*c*h-u*p*d;break;case"YXZ":this._x=u*c*h+l*p*d,this._y=l*p*h-u*c*d,this._z=l*c*d-u*p*h,this._w=l*c*h+u*p*d;break;case"ZXY":this._x=u*c*h-l*p*d,this._y=l*p*h+u*c*d,this._z=l*c*d+u*p*h,this._w=l*c*h-u*p*d;break;case"ZYX":this._x=u*c*h-l*p*d,this._y=l*p*h+u*c*d,this._z=l*c*d-u*p*h,this._w=l*c*h+u*p*d;break;case"YZX":this._x=u*c*h+l*p*d,this._y=l*p*h+u*c*d,this._z=l*c*d-u*p*h,this._w=l*c*h-u*p*d;break;case"XZY":this._x=u*c*h-l*p*d,this._y=l*p*h-u*c*d,this._z=l*c*d+u*p*h,this._w=l*c*h+u*p*d;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return!1!==t&&this._onChangeCallback(),this},setFromAxisAngle:function(e,t){var n=t/2,i=Math.sin(n);return this._x=e.x*i,this._y=e.y*i,this._z=e.z*i,this._w=Math.cos(n),this._onChangeCallback(),this},setFromRotationMatrix:function(e){var t,n=e.elements,i=n[0],r=n[4],a=n[8],o=n[1],s=n[5],l=n[9],c=n[2],h=n[6],u=n[10],p=i+s+u;return p>0?(t=.5/Math.sqrt(p+1),this._w=.25/t,this._x=(h-l)*t,this._y=(a-c)*t,this._z=(o-r)*t):i>s&&i>u?(t=2*Math.sqrt(1+i-s-u),this._w=(h-l)/t,this._x=.25*t,this._y=(r+o)/t,this._z=(a+c)/t):s>u?(t=2*Math.sqrt(1+s-i-u),this._w=(a-c)/t,this._x=(r+o)/t,this._y=.25*t,this._z=(l+h)/t):(t=2*Math.sqrt(1+u-i-s),this._w=(o-r)/t,this._x=(a+c)/t,this._y=(l+h)/t,this._z=.25*t),this._onChangeCallback(),this},setFromUnitVectors:function(e,t){var n=e.dot(t)+1;return n<1e-6?(n=0,Math.abs(e.x)>Math.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=n):(this._x=0,this._y=-e.z,this._z=e.y,this._w=n)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x,this._w=n),this.normalize()},angleTo:function(e){return 2*Math.acos(Math.abs(_.clamp(this.dot(e),-1,1)))},rotateTowards:function(e,t){var n=this.angleTo(e);if(0===n)return this;var i=Math.min(1,t/n);return this.slerp(e,i),this},inverse:function(){return this.conjugate()},conjugate:function(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this},dot:function(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._w},lengthSq:function(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w},length:function(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)},normalize:function(){var e=this.length();return 0===e?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this},multiply:function(e,t){return void 0!==t?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(e,t)):this.multiplyQuaternions(this,e)},premultiply:function(e){return this.multiplyQuaternions(e,this)},multiplyQuaternions:function(e,t){var n=e._x,i=e._y,r=e._z,a=e._w,o=t._x,s=t._y,l=t._z,c=t._w;return this._x=n*c+a*o+i*l-r*s,this._y=i*c+a*s+r*o-n*l,this._z=r*c+a*l+n*s-i*o,this._w=a*c-n*o-i*s-r*l,this._onChangeCallback(),this},slerp:function(e,t){if(0===t)return this;if(1===t)return this.copy(e);var n=this._x,i=this._y,r=this._z,a=this._w,o=a*e._w+n*e._x+i*e._y+r*e._z;if(o<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,o=-o):this.copy(e),o>=1)return this._w=a,this._x=n,this._y=i,this._z=r,this;var s=1-o*o;if(s<=Number.EPSILON){var l=1-t;return this._w=l*a+t*this._w,this._x=l*n+t*this._x,this._y=l*i+t*this._y,this._z=l*r+t*this._z,this.normalize(),this._onChangeCallback(),this}var c=Math.sqrt(s),h=Math.atan2(c,o),u=Math.sin((1-t)*h)/c,p=Math.sin(t*h)/c;return this._w=a*u+this._w*p,this._x=n*u+this._x*p,this._y=i*u+this._y*p,this._z=r*u+this._z*p,this._onChangeCallback(),this},equals:function(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w},fromArray:function(e,t){return void 0===t&&(t=0),this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this},toArray:function(e,t){return void 0===e&&(e=[]),void 0===t&&(t=0),e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e},fromBufferAttribute:function(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this},_onChange:function(e){return this._onChangeCallback=e,this},_onChangeCallback:function(){}});var O=new D,I=new C;function D(e,t,n){this.x=e||0,this.y=t||0,this.z=n||0}Object.assign(D.prototype,{isVector3:!0,set:function(e,t,n){return this.x=e,this.y=t,this.z=n,this},setScalar:function(e){return this.x=e,this.y=e,this.z=e,this},setX:function(e){return this.x=e,this},setY:function(e){return this.y=e,this},setZ:function(e){return this.z=e,this},setComponent:function(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;default:throw new Error("index is out of range: "+e)}return this},getComponent:function(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+e)}},clone:function(){return new this.constructor(this.x,this.y,this.z)},copy:function(e){return this.x=e.x,this.y=e.y,this.z=e.z,this},add:function(e,t){return void 0!==t?(console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this)},addScalar:function(e){return this.x+=e,this.y+=e,this.z+=e,this},addVectors:function(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this},addScaledVector:function(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this},sub:function(e,t){return void 0!==t?(console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this)},subScalar:function(e){return this.x-=e,this.y-=e,this.z-=e,this},subVectors:function(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this},multiply:function(e,t){return void 0!==t?(console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(e,t)):(this.x*=e.x,this.y*=e.y,this.z*=e.z,this)},multiplyScalar:function(e){return this.x*=e,this.y*=e,this.z*=e,this},multiplyVectors:function(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this},applyEuler:function(e){return e&&e.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order."),this.applyQuaternion(I.setFromEuler(e))},applyAxisAngle:function(e,t){return this.applyQuaternion(I.setFromAxisAngle(e,t))},applyMatrix3:function(e){var t=this.x,n=this.y,i=this.z,r=e.elements;return this.x=r[0]*t+r[3]*n+r[6]*i,this.y=r[1]*t+r[4]*n+r[7]*i,this.z=r[2]*t+r[5]*n+r[8]*i,this},applyNormalMatrix:function(e){return this.applyMatrix3(e).normalize()},applyMatrix4:function(e){var t=this.x,n=this.y,i=this.z,r=e.elements,a=1/(r[3]*t+r[7]*n+r[11]*i+r[15]);return this.x=(r[0]*t+r[4]*n+r[8]*i+r[12])*a,this.y=(r[1]*t+r[5]*n+r[9]*i+r[13])*a,this.z=(r[2]*t+r[6]*n+r[10]*i+r[14])*a,this},applyQuaternion:function(e){var t=this.x,n=this.y,i=this.z,r=e.x,a=e.y,o=e.z,s=e.w,l=s*t+a*i-o*n,c=s*n+o*t-r*i,h=s*i+r*n-a*t,u=-r*t-a*n-o*i;return this.x=l*s+u*-r+c*-o-h*-a,this.y=c*s+u*-a+h*-r-l*-o,this.z=h*s+u*-o+l*-a-c*-r,this},project:function(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)},unproject:function(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)},transformDirection:function(e){var t=this.x,n=this.y,i=this.z,r=e.elements;return this.x=r[0]*t+r[4]*n+r[8]*i,this.y=r[1]*t+r[5]*n+r[9]*i,this.z=r[2]*t+r[6]*n+r[10]*i,this.normalize()},divide:function(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this},divideScalar:function(e){return this.multiplyScalar(1/e)},min:function(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this},max:function(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this},clamp:function(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this},clampScalar:function(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this},clampLength:function(e,t){var n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))},floor:function(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this},ceil:function(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this},round:function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this},roundToZero:function(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this},negate:function(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this},dot:function(e){return this.x*e.x+this.y*e.y+this.z*e.z},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)},manhattanLength:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)},normalize:function(){return this.divideScalar(this.length()||1)},setLength:function(e){return this.normalize().multiplyScalar(e)},lerp:function(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this},lerpVectors:function(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this},cross:function(e,t){return void 0!==t?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(e,t)):this.crossVectors(this,e)},crossVectors:function(e,t){var n=e.x,i=e.y,r=e.z,a=t.x,o=t.y,s=t.z;return this.x=i*s-r*o,this.y=r*a-n*s,this.z=n*o-i*a,this},projectOnVector:function(e){var t=e.lengthSq();if(0===t)return this.set(0,0,0);var n=e.dot(this)/t;return this.copy(e).multiplyScalar(n)},projectOnPlane:function(e){return O.copy(this).projectOnVector(e),this.sub(O)},reflect:function(e){return this.sub(O.copy(e).multiplyScalar(2*this.dot(e)))},angleTo:function(e){var t=Math.sqrt(this.lengthSq()*e.lengthSq());if(0===t)return Math.PI/2;var n=this.dot(e)/t;return Math.acos(_.clamp(n,-1,1))},distanceTo:function(e){return Math.sqrt(this.distanceToSquared(e))},distanceToSquared:function(e){var t=this.x-e.x,n=this.y-e.y,i=this.z-e.z;return t*t+n*n+i*i},manhattanDistanceTo:function(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)},setFromSpherical:function(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)},setFromSphericalCoords:function(e,t,n){var i=Math.sin(t)*e;return this.x=i*Math.sin(n),this.y=Math.cos(t)*e,this.z=i*Math.cos(n),this},setFromCylindrical:function(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)},setFromCylindricalCoords:function(e,t,n){return this.x=e*Math.sin(t),this.y=n,this.z=e*Math.cos(t),this},setFromMatrixPosition:function(e){var t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this},setFromMatrixScale:function(e){var t=this.setFromMatrixColumn(e,0).length(),n=this.setFromMatrixColumn(e,1).length(),i=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=n,this.z=i,this},setFromMatrixColumn:function(e,t){return this.fromArray(e.elements,4*t)},setFromMatrix3Column:function(e,t){return this.fromArray(e.elements,3*t)},equals:function(e){return e.x===this.x&&e.y===this.y&&e.z===this.z},fromArray:function(e,t){return void 0===t&&(t=0),this.x=e[t],this.y=e[t+1],this.z=e[t+2],this},toArray:function(e,t){return void 0===e&&(e=[]),void 0===t&&(t=0),e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e},fromBufferAttribute:function(e,t,n){return void 0!==n&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this},random:function(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}});var N=new D,z=new k,U=new D(0,0,0),F=new D(1,1,1),B=new D,H=new D,G=new D;function k(){this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.")}Object.assign(k.prototype,{isMatrix4:!0,set:function(e,t,n,i,r,a,o,s,l,c,h,u,p,d,f,m){var g=this.elements;return g[0]=e,g[4]=t,g[8]=n,g[12]=i,g[1]=r,g[5]=a,g[9]=o,g[13]=s,g[2]=l,g[6]=c,g[10]=h,g[14]=u,g[3]=p,g[7]=d,g[11]=f,g[15]=m,this},identity:function(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this},clone:function(){return(new k).fromArray(this.elements)},copy:function(e){var t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],this},copyPosition:function(e){var t=this.elements,n=e.elements;return t[12]=n[12],t[13]=n[13],t[14]=n[14],this},extractBasis:function(e,t,n){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this},makeBasis:function(e,t,n){return this.set(e.x,t.x,n.x,0,e.y,t.y,n.y,0,e.z,t.z,n.z,0,0,0,0,1),this},extractRotation:function(e){var t=this.elements,n=e.elements,i=1/N.setFromMatrixColumn(e,0).length(),r=1/N.setFromMatrixColumn(e,1).length(),a=1/N.setFromMatrixColumn(e,2).length();return t[0]=n[0]*i,t[1]=n[1]*i,t[2]=n[2]*i,t[3]=0,t[4]=n[4]*r,t[5]=n[5]*r,t[6]=n[6]*r,t[7]=0,t[8]=n[8]*a,t[9]=n[9]*a,t[10]=n[10]*a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this},makeRotationFromEuler:function(e){e&&e.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");var t=this.elements,n=e.x,i=e.y,r=e.z,a=Math.cos(n),o=Math.sin(n),s=Math.cos(i),l=Math.sin(i),c=Math.cos(r),h=Math.sin(r);if("XYZ"===e.order){var u=a*c,p=a*h,d=o*c,f=o*h;t[0]=s*c,t[4]=-s*h,t[8]=l,t[1]=p+d*l,t[5]=u-f*l,t[9]=-o*s,t[2]=f-u*l,t[6]=d+p*l,t[10]=a*s}else if("YXZ"===e.order){var m=s*c,g=s*h,v=l*c,y=l*h;t[0]=m+y*o,t[4]=v*o-g,t[8]=a*l,t[1]=a*h,t[5]=a*c,t[9]=-o,t[2]=g*o-v,t[6]=y+m*o,t[10]=a*s}else if("ZXY"===e.order){m=s*c,g=s*h,v=l*c,y=l*h;t[0]=m-y*o,t[4]=-a*h,t[8]=v+g*o,t[1]=g+v*o,t[5]=a*c,t[9]=y-m*o,t[2]=-a*l,t[6]=o,t[10]=a*s}else if("ZYX"===e.order){u=a*c,p=a*h,d=o*c,f=o*h;t[0]=s*c,t[4]=d*l-p,t[8]=u*l+f,t[1]=s*h,t[5]=f*l+u,t[9]=p*l-d,t[2]=-l,t[6]=o*s,t[10]=a*s}else if("YZX"===e.order){var x=a*s,b=a*l,w=o*s,_=o*l;t[0]=s*c,t[4]=_-x*h,t[8]=w*h+b,t[1]=h,t[5]=a*c,t[9]=-o*c,t[2]=-l*c,t[6]=b*h+w,t[10]=x-_*h}else if("XZY"===e.order){x=a*s,b=a*l,w=o*s,_=o*l;t[0]=s*c,t[4]=-h,t[8]=l*c,t[1]=x*h+_,t[5]=a*c,t[9]=b*h-w,t[2]=w*h-b,t[6]=o*c,t[10]=_*h+x}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this},makeRotationFromQuaternion:function(e){return this.compose(U,e,F)},lookAt:function(e,t,n){var i=this.elements;return G.subVectors(e,t),0===G.lengthSq()&&(G.z=1),G.normalize(),B.crossVectors(n,G),0===B.lengthSq()&&(1===Math.abs(n.z)?G.x+=1e-4:G.z+=1e-4,G.normalize(),B.crossVectors(n,G)),B.normalize(),H.crossVectors(G,B),i[0]=B.x,i[4]=H.x,i[8]=G.x,i[1]=B.y,i[5]=H.y,i[9]=G.y,i[2]=B.z,i[6]=H.z,i[10]=G.z,this},multiply:function(e,t){return void 0!==t?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(e,t)):this.multiplyMatrices(this,e)},premultiply:function(e){return this.multiplyMatrices(e,this)},multiplyMatrices:function(e,t){var n=e.elements,i=t.elements,r=this.elements,a=n[0],o=n[4],s=n[8],l=n[12],c=n[1],h=n[5],u=n[9],p=n[13],d=n[2],f=n[6],m=n[10],g=n[14],v=n[3],y=n[7],x=n[11],b=n[15],w=i[0],_=i[4],M=i[8],S=i[12],T=i[1],E=i[5],A=i[9],L=i[13],R=i[2],P=i[6],C=i[10],O=i[14],I=i[3],D=i[7],N=i[11],z=i[15];return r[0]=a*w+o*T+s*R+l*I,r[4]=a*_+o*E+s*P+l*D,r[8]=a*M+o*A+s*C+l*N,r[12]=a*S+o*L+s*O+l*z,r[1]=c*w+h*T+u*R+p*I,r[5]=c*_+h*E+u*P+p*D,r[9]=c*M+h*A+u*C+p*N,r[13]=c*S+h*L+u*O+p*z,r[2]=d*w+f*T+m*R+g*I,r[6]=d*_+f*E+m*P+g*D,r[10]=d*M+f*A+m*C+g*N,r[14]=d*S+f*L+m*O+g*z,r[3]=v*w+y*T+x*R+b*I,r[7]=v*_+y*E+x*P+b*D,r[11]=v*M+y*A+x*C+b*N,r[15]=v*S+y*L+x*O+b*z,this},multiplyScalar:function(e){var t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this},determinant:function(){var e=this.elements,t=e[0],n=e[4],i=e[8],r=e[12],a=e[1],o=e[5],s=e[9],l=e[13],c=e[2],h=e[6],u=e[10],p=e[14];return e[3]*(+r*s*h-i*l*h-r*o*u+n*l*u+i*o*p-n*s*p)+e[7]*(+t*s*p-t*l*u+r*a*u-i*a*p+i*l*c-r*s*c)+e[11]*(+t*l*h-t*o*p-r*a*h+n*a*p+r*o*c-n*l*c)+e[15]*(-i*o*c-t*s*h+t*o*u+i*a*h-n*a*u+n*s*c)},transpose:function(){var e,t=this.elements;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this},setPosition:function(e,t,n){var i=this.elements;return e.isVector3?(i[12]=e.x,i[13]=e.y,i[14]=e.z):(i[12]=e,i[13]=t,i[14]=n),this},getInverse:function(e,t){void 0!==t&&console.warn("THREE.Matrix4: .getInverse() can no longer be configured to throw on degenerate.");var n=this.elements,i=e.elements,r=i[0],a=i[1],o=i[2],s=i[3],l=i[4],c=i[5],h=i[6],u=i[7],p=i[8],d=i[9],f=i[10],m=i[11],g=i[12],v=i[13],y=i[14],x=i[15],b=d*y*u-v*f*u+v*h*m-c*y*m-d*h*x+c*f*x,w=g*f*u-p*y*u-g*h*m+l*y*m+p*h*x-l*f*x,_=p*v*u-g*d*u+g*c*m-l*v*m-p*c*x+l*d*x,M=g*d*h-p*v*h-g*c*f+l*v*f+p*c*y-l*d*y,S=r*b+a*w+o*_+s*M;if(0===S)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);var T=1/S;return n[0]=b*T,n[1]=(v*f*s-d*y*s-v*o*m+a*y*m+d*o*x-a*f*x)*T,n[2]=(c*y*s-v*h*s+v*o*u-a*y*u-c*o*x+a*h*x)*T,n[3]=(d*h*s-c*f*s-d*o*u+a*f*u+c*o*m-a*h*m)*T,n[4]=w*T,n[5]=(p*y*s-g*f*s+g*o*m-r*y*m-p*o*x+r*f*x)*T,n[6]=(g*h*s-l*y*s-g*o*u+r*y*u+l*o*x-r*h*x)*T,n[7]=(l*f*s-p*h*s+p*o*u-r*f*u-l*o*m+r*h*m)*T,n[8]=_*T,n[9]=(g*d*s-p*v*s-g*a*m+r*v*m+p*a*x-r*d*x)*T,n[10]=(l*v*s-g*c*s+g*a*u-r*v*u-l*a*x+r*c*x)*T,n[11]=(p*c*s-l*d*s-p*a*u+r*d*u+l*a*m-r*c*m)*T,n[12]=M*T,n[13]=(p*v*o-g*d*o+g*a*f-r*v*f-p*a*y+r*d*y)*T,n[14]=(g*c*o-l*v*o-g*a*h+r*v*h+l*a*y-r*c*y)*T,n[15]=(l*d*o-p*c*o+p*a*h-r*d*h-l*a*f+r*c*f)*T,this},scale:function(e){var t=this.elements,n=e.x,i=e.y,r=e.z;return t[0]*=n,t[4]*=i,t[8]*=r,t[1]*=n,t[5]*=i,t[9]*=r,t[2]*=n,t[6]*=i,t[10]*=r,t[3]*=n,t[7]*=i,t[11]*=r,this},getMaxScaleOnAxis:function(){var e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],n=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],i=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,n,i))},makeTranslation:function(e,t,n){return this.set(1,0,0,e,0,1,0,t,0,0,1,n,0,0,0,1),this},makeRotationX:function(e){var t=Math.cos(e),n=Math.sin(e);return this.set(1,0,0,0,0,t,-n,0,0,n,t,0,0,0,0,1),this},makeRotationY:function(e){var t=Math.cos(e),n=Math.sin(e);return this.set(t,0,n,0,0,1,0,0,-n,0,t,0,0,0,0,1),this},makeRotationZ:function(e){var t=Math.cos(e),n=Math.sin(e);return this.set(t,-n,0,0,n,t,0,0,0,0,1,0,0,0,0,1),this},makeRotationAxis:function(e,t){var n=Math.cos(t),i=Math.sin(t),r=1-n,a=e.x,o=e.y,s=e.z,l=r*a,c=r*o;return this.set(l*a+n,l*o-i*s,l*s+i*o,0,l*o+i*s,c*o+n,c*s-i*a,0,l*s-i*o,c*s+i*a,r*s*s+n,0,0,0,0,1),this},makeScale:function(e,t,n){return this.set(e,0,0,0,0,t,0,0,0,0,n,0,0,0,0,1),this},makeShear:function(e,t,n){return this.set(1,t,n,0,e,1,n,0,e,t,1,0,0,0,0,1),this},compose:function(e,t,n){var i=this.elements,r=t._x,a=t._y,o=t._z,s=t._w,l=r+r,c=a+a,h=o+o,u=r*l,p=r*c,d=r*h,f=a*c,m=a*h,g=o*h,v=s*l,y=s*c,x=s*h,b=n.x,w=n.y,_=n.z;return i[0]=(1-(f+g))*b,i[1]=(p+x)*b,i[2]=(d-y)*b,i[3]=0,i[4]=(p-x)*w,i[5]=(1-(u+g))*w,i[6]=(m+v)*w,i[7]=0,i[8]=(d+y)*_,i[9]=(m-v)*_,i[10]=(1-(u+f))*_,i[11]=0,i[12]=e.x,i[13]=e.y,i[14]=e.z,i[15]=1,this},decompose:function(e,t,n){var i=this.elements,r=N.set(i[0],i[1],i[2]).length(),a=N.set(i[4],i[5],i[6]).length(),o=N.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),e.x=i[12],e.y=i[13],e.z=i[14],z.copy(this);var s=1/r,l=1/a,c=1/o;return z.elements[0]*=s,z.elements[1]*=s,z.elements[2]*=s,z.elements[4]*=l,z.elements[5]*=l,z.elements[6]*=l,z.elements[8]*=c,z.elements[9]*=c,z.elements[10]*=c,t.setFromRotationMatrix(z),n.x=r,n.y=a,n.z=o,this},makePerspective:function(e,t,n,i,r,a){void 0===a&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");var o=this.elements,s=2*r/(t-e),l=2*r/(n-i),c=(t+e)/(t-e),h=(n+i)/(n-i),u=-(a+r)/(a-r),p=-2*a*r/(a-r);return o[0]=s,o[4]=0,o[8]=c,o[12]=0,o[1]=0,o[5]=l,o[9]=h,o[13]=0,o[2]=0,o[6]=0,o[10]=u,o[14]=p,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this},makeOrthographic:function(e,t,n,i,r,a){var o=this.elements,s=1/(t-e),l=1/(n-i),c=1/(a-r),h=(t+e)*s,u=(n+i)*l,p=(a+r)*c;return o[0]=2*s,o[4]=0,o[8]=0,o[12]=-h,o[1]=0,o[5]=2*l,o[9]=0,o[13]=-u,o[2]=0,o[6]=0,o[10]=-2*c,o[14]=-p,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this},equals:function(e){for(var t=this.elements,n=e.elements,i=0;i<16;i++)if(t[i]!==n[i])return!1;return!0},fromArray:function(e,t){void 0===t&&(t=0);for(var n=0;n<16;n++)this.elements[n]=e[n+t];return this},toArray:function(e,t){void 0===e&&(e=[]),void 0===t&&(t=0);var n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e[t+9]=n[9],e[t+10]=n[10],e[t+11]=n[11],e[t+12]=n[12],e[t+13]=n[13],e[t+14]=n[14],e[t+15]=n[15],e}});var V=new k,j=new C;function W(e,t,n,i){this._x=e||0,this._y=t||0,this._z=n||0,this._order=i||W.DefaultOrder}function q(){this.mask=1}W.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"],W.DefaultOrder="XYZ",Object.defineProperties(W.prototype,{x:{get:function(){return this._x},set:function(e){this._x=e,this._onChangeCallback()}},y:{get:function(){return this._y},set:function(e){this._y=e,this._onChangeCallback()}},z:{get:function(){return this._z},set:function(e){this._z=e,this._onChangeCallback()}},order:{get:function(){return this._order},set:function(e){this._order=e,this._onChangeCallback()}}}),Object.assign(W.prototype,{isEuler:!0,set:function(e,t,n,i){return this._x=e,this._y=t,this._z=n,this._order=i||this._order,this._onChangeCallback(),this},clone:function(){return new this.constructor(this._x,this._y,this._z,this._order)},copy:function(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this},setFromRotationMatrix:function(e,t,n){var i=_.clamp,r=e.elements,a=r[0],o=r[4],s=r[8],l=r[1],c=r[5],h=r[9],u=r[2],p=r[6],d=r[10];switch(t=t||this._order){case"XYZ":this._y=Math.asin(i(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(-h,d),this._z=Math.atan2(-o,a)):(this._x=Math.atan2(p,c),this._z=0);break;case"YXZ":this._x=Math.asin(-i(h,-1,1)),Math.abs(h)<.9999999?(this._y=Math.atan2(s,d),this._z=Math.atan2(l,c)):(this._y=Math.atan2(-u,a),this._z=0);break;case"ZXY":this._x=Math.asin(i(p,-1,1)),Math.abs(p)<.9999999?(this._y=Math.atan2(-u,d),this._z=Math.atan2(-o,c)):(this._y=0,this._z=Math.atan2(l,a));break;case"ZYX":this._y=Math.asin(-i(u,-1,1)),Math.abs(u)<.9999999?(this._x=Math.atan2(p,d),this._z=Math.atan2(l,a)):(this._x=0,this._z=Math.atan2(-o,c));break;case"YZX":this._z=Math.asin(i(l,-1,1)),Math.abs(l)<.9999999?(this._x=Math.atan2(-h,c),this._y=Math.atan2(-u,a)):(this._x=0,this._y=Math.atan2(s,d));break;case"XZY":this._z=Math.asin(-i(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(p,c),this._y=Math.atan2(s,a)):(this._x=Math.atan2(-h,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,!1!==n&&this._onChangeCallback(),this},setFromQuaternion:function(e,t,n){return V.makeRotationFromQuaternion(e),this.setFromRotationMatrix(V,t,n)},setFromVector3:function(e,t){return this.set(e.x,e.y,e.z,t||this._order)},reorder:function(e){return j.setFromEuler(this),this.setFromQuaternion(j,e)},equals:function(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order},fromArray:function(e){return this._x=e[0],this._y=e[1],this._z=e[2],void 0!==e[3]&&(this._order=e[3]),this._onChangeCallback(),this},toArray:function(e,t){return void 0===e&&(e=[]),void 0===t&&(t=0),e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._order,e},toVector3:function(e){return e?e.set(this._x,this._y,this._z):new D(this._x,this._y,this._z)},_onChange:function(e){return this._onChangeCallback=e,this},_onChangeCallback:function(){}}),Object.assign(q.prototype,{set:function(e){this.mask=1<1){for(var t=0;t1){for(var t=0;t0){i.children=[];for(s=0;s0&&(n.geometries=u),p.length>0&&(n.materials=p),d.length>0&&(n.textures=d),f.length>0&&(n.images=f),o.length>0&&(n.shapes=o)}return n.object=i,n;function m(e){var t=[];for(var n in e){var i=e[n];delete i.metadata,t.push(i)}return t}},clone:function(e){return(new this.constructor).copy(this,e)},copy:function(e,t){if(void 0===t&&(t=!0),this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.userData=JSON.parse(JSON.stringify(e.userData)),!0===t)for(var n=0;ns)return!1}return!0}Object.assign(we.prototype,{isBox3:!0,set:function(e,t){return this.min.copy(e),this.max.copy(t),this},setFromArray:function(e){for(var t=1/0,n=1/0,i=1/0,r=-1/0,a=-1/0,o=-1/0,s=0,l=e.length;sr&&(r=c),h>a&&(a=h),u>o&&(o=u)}return this.min.set(t,n,i),this.max.set(r,a,o),this},setFromBufferAttribute:function(e){for(var t=1/0,n=1/0,i=1/0,r=-1/0,a=-1/0,o=-1/0,s=0,l=e.count;sr&&(r=c),h>a&&(a=h),u>o&&(o=u)}return this.min.set(t,n,i),this.max.set(r,a,o),this},setFromPoints:function(e){this.makeEmpty();for(var t=0,n=e.length;tthis.max.x||e.ythis.max.y||e.zthis.max.z)},containsBox:function(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z},getParameter:function(e,t){return void 0===t&&(console.warn("THREE.Box3: .getParameter() target is now required"),t=new D),t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))},intersectsBox:function(e){return!(e.max.xthis.max.x||e.max.ythis.max.y||e.max.zthis.max.z)},intersectsSphere:function(e){return this.clampPoint(e.center,ce),ce.distanceToSquared(e.center)<=e.radius*e.radius},intersectsPlane:function(e){var t,n;return e.normal.x>0?(t=e.normal.x*this.min.x,n=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,n=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,n+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,n+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,n+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,n+=e.normal.z*this.min.z),t<=-e.constant&&n>=-e.constant},intersectsTriangle:function(e){if(this.isEmpty())return!1;this.getCenter(ve),ye.subVectors(this.max,ve),ue.subVectors(e.a,ve),pe.subVectors(e.b,ve),de.subVectors(e.c,ve),fe.subVectors(pe,ue),me.subVectors(de,pe),ge.subVectors(ue,de);var t=[0,-fe.z,fe.y,0,-me.z,me.y,0,-ge.z,ge.y,fe.z,0,-fe.x,me.z,0,-me.x,ge.z,0,-ge.x,-fe.y,fe.x,0,-me.y,me.x,0,-ge.y,ge.x,0];return!!_e(t,ue,pe,de,ye)&&(!!_e(t=[1,0,0,0,1,0,0,0,1],ue,pe,de,ye)&&(xe.crossVectors(fe,me),_e(t=[xe.x,xe.y,xe.z],ue,pe,de,ye)))},clampPoint:function(e,t){return void 0===t&&(console.warn("THREE.Box3: .clampPoint() target is now required"),t=new D),t.copy(e).clamp(this.min,this.max)},distanceToPoint:function(e){return ce.copy(e).clamp(this.min,this.max).sub(e).length()},getBoundingSphere:function(e){return void 0===e&&console.error("THREE.Box3: .getBoundingSphere() target is now required"),this.getCenter(e.center),e.radius=.5*this.getSize(ce).length(),e},intersect:function(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this},union:function(e){return this.min.min(e.min),this.max.max(e.max),this},applyMatrix4:function(e){return this.isEmpty()||(le[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),le[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),le[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),le[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),le[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),le[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),le[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),le[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(le)),this},translate:function(e){return this.min.add(e),this.max.add(e),this},equals:function(e){return e.min.equals(this.min)&&e.max.equals(this.max)}});var Me=new we;function Se(e,t){this.center=void 0!==e?e:new D,this.radius=void 0!==t?t:-1}Object.assign(Se.prototype,{set:function(e,t){return this.center.copy(e),this.radius=t,this},setFromPoints:function(e,t){var n=this.center;void 0!==t?n.copy(t):Me.setFromPoints(e).getCenter(n);for(var i=0,r=0,a=e.length;rthis.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t},getBoundingBox:function(e){return void 0===e&&(console.warn("THREE.Sphere: .getBoundingBox() target is now required"),e=new we),this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)},applyMatrix4:function(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this},translate:function(e){return this.center.add(e),this},equals:function(e){return e.center.equals(this.center)&&e.radius===this.radius}});var Te=new D,Ee=new D,Ae=new D,Le=new D,Re=new D,Pe=new D,Ce=new D;function Oe(e,t){this.origin=void 0!==e?e:new D,this.direction=void 0!==t?t:new D(0,0,-1)}Object.assign(Oe.prototype,{set:function(e,t){return this.origin.copy(e),this.direction.copy(t),this},clone:function(){return(new this.constructor).copy(this)},copy:function(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this},at:function(e,t){return void 0===t&&(console.warn("THREE.Ray: .at() target is now required"),t=new D),t.copy(this.direction).multiplyScalar(e).add(this.origin)},lookAt:function(e){return this.direction.copy(e).sub(this.origin).normalize(),this},recast:function(e){return this.origin.copy(this.at(e,Te)),this},closestPointToPoint:function(e,t){void 0===t&&(console.warn("THREE.Ray: .closestPointToPoint() target is now required"),t=new D),t.subVectors(e,this.origin);var n=t.dot(this.direction);return n<0?t.copy(this.origin):t.copy(this.direction).multiplyScalar(n).add(this.origin)},distanceToPoint:function(e){return Math.sqrt(this.distanceSqToPoint(e))},distanceSqToPoint:function(e){var t=Te.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(Te.copy(this.direction).multiplyScalar(t).add(this.origin),Te.distanceToSquared(e))},distanceSqToSegment:function(e,t,n,i){Ee.copy(e).add(t).multiplyScalar(.5),Ae.copy(t).sub(e).normalize(),Le.copy(this.origin).sub(Ee);var r,a,o,s,l=.5*e.distanceTo(t),c=-this.direction.dot(Ae),h=Le.dot(this.direction),u=-Le.dot(Ae),p=Le.lengthSq(),d=Math.abs(1-c*c);if(d>0)if(a=c*h-u,s=l*d,(r=c*u-h)>=0)if(a>=-s)if(a<=s){var f=1/d;o=(r*=f)*(r+c*(a*=f)+2*h)+a*(c*r+a+2*u)+p}else a=l,o=-(r=Math.max(0,-(c*a+h)))*r+a*(a+2*u)+p;else a=-l,o=-(r=Math.max(0,-(c*a+h)))*r+a*(a+2*u)+p;else a<=-s?o=-(r=Math.max(0,-(-c*l+h)))*r+(a=r>0?-l:Math.min(Math.max(-l,-u),l))*(a+2*u)+p:a<=s?(r=0,o=(a=Math.min(Math.max(-l,-u),l))*(a+2*u)+p):o=-(r=Math.max(0,-(c*l+h)))*r+(a=r>0?l:Math.min(Math.max(-l,-u),l))*(a+2*u)+p;else a=c>0?-l:l,o=-(r=Math.max(0,-(c*a+h)))*r+a*(a+2*u)+p;return n&&n.copy(this.direction).multiplyScalar(r).add(this.origin),i&&i.copy(Ae).multiplyScalar(a).add(Ee),o},intersectSphere:function(e,t){Te.subVectors(e.center,this.origin);var n=Te.dot(this.direction),i=Te.dot(Te)-n*n,r=e.radius*e.radius;if(i>r)return null;var a=Math.sqrt(r-i),o=n-a,s=n+a;return o<0&&s<0?null:o<0?this.at(s,t):this.at(o,t)},intersectsSphere:function(e){return this.distanceSqToPoint(e.center)<=e.radius*e.radius},distanceToPlane:function(e){var t=e.normal.dot(this.direction);if(0===t)return 0===e.distanceToPoint(this.origin)?0:null;var n=-(this.origin.dot(e.normal)+e.constant)/t;return n>=0?n:null},intersectPlane:function(e,t){var n=this.distanceToPlane(e);return null===n?null:this.at(n,t)},intersectsPlane:function(e){var t=e.distanceToPoint(this.origin);return 0===t||e.normal.dot(this.direction)*t<0},intersectBox:function(e,t){var n,i,r,a,o,s,l=1/this.direction.x,c=1/this.direction.y,h=1/this.direction.z,u=this.origin;return l>=0?(n=(e.min.x-u.x)*l,i=(e.max.x-u.x)*l):(n=(e.max.x-u.x)*l,i=(e.min.x-u.x)*l),c>=0?(r=(e.min.y-u.y)*c,a=(e.max.y-u.y)*c):(r=(e.max.y-u.y)*c,a=(e.min.y-u.y)*c),n>a||r>i?null:((r>n||n!=n)&&(n=r),(a=0?(o=(e.min.z-u.z)*h,s=(e.max.z-u.z)*h):(o=(e.max.z-u.z)*h,s=(e.min.z-u.z)*h),n>s||o>i?null:((o>n||n!=n)&&(n=o),(s=0?n:i,t)))},intersectsBox:function(e){return null!==this.intersectBox(e,Te)},intersectTriangle:function(e,t,n,i,r){Re.subVectors(t,e),Pe.subVectors(n,e),Ce.crossVectors(Re,Pe);var a,o=this.direction.dot(Ce);if(o>0){if(i)return null;a=1}else{if(!(o<0))return null;a=-1,o=-o}Le.subVectors(this.origin,e);var s=a*this.direction.dot(Pe.crossVectors(Le,Pe));if(s<0)return null;var l=a*this.direction.dot(Re.cross(Le));if(l<0)return null;if(s+l>o)return null;var c=-a*Le.dot(Ce);return c<0?null:this.at(c/o,r)},applyMatrix4:function(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this},equals:function(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}});var Ie=new D,De=new D,Ne=new S;function ze(e,t){this.normal=void 0!==e?e:new D(1,0,0),this.constant=void 0!==t?t:0}Object.assign(ze.prototype,{isPlane:!0,set:function(e,t){return this.normal.copy(e),this.constant=t,this},setComponents:function(e,t,n,i){return this.normal.set(e,t,n),this.constant=i,this},setFromNormalAndCoplanarPoint:function(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this},setFromCoplanarPoints:function(e,t,n){var i=Ie.subVectors(n,t).cross(De.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(i,e),this},clone:function(){return(new this.constructor).copy(this)},copy:function(e){return this.normal.copy(e.normal),this.constant=e.constant,this},normalize:function(){var e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this},negate:function(){return this.constant*=-1,this.normal.negate(),this},distanceToPoint:function(e){return this.normal.dot(e)+this.constant},distanceToSphere:function(e){return this.distanceToPoint(e.center)-e.radius},projectPoint:function(e,t){return void 0===t&&(console.warn("THREE.Plane: .projectPoint() target is now required"),t=new D),t.copy(this.normal).multiplyScalar(-this.distanceToPoint(e)).add(e)},intersectLine:function(e,t){void 0===t&&(console.warn("THREE.Plane: .intersectLine() target is now required"),t=new D);var n=e.delta(Ie),i=this.normal.dot(n);if(0===i)return 0===this.distanceToPoint(e.start)?t.copy(e.start):void 0;var r=-(e.start.dot(this.normal)+this.constant)/i;return r<0||r>1?void 0:t.copy(n).multiplyScalar(r).add(e.start)},intersectsLine:function(e){var t=this.distanceToPoint(e.start),n=this.distanceToPoint(e.end);return t<0&&n>0||n<0&&t>0},intersectsBox:function(e){return e.intersectsPlane(this)},intersectsSphere:function(e){return e.intersectsPlane(this)},coplanarPoint:function(e){return void 0===e&&(console.warn("THREE.Plane: .coplanarPoint() target is now required"),e=new D),e.copy(this.normal).multiplyScalar(-this.constant)},applyMatrix4:function(e,t){var n=t||Ne.getNormalMatrix(e),i=this.coplanarPoint(Ie).applyMatrix4(e),r=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(r),this},translate:function(e){return this.constant-=e.dot(this.normal),this},equals:function(e){return e.normal.equals(this.normal)&&e.constant===this.constant}});var Ue=new D,Fe=new D,Be=new D,He=new D,Ge=new D,ke=new D,Ve=new D,je=new D,We=new D,qe=new D;function Xe(e,t,n){this.a=void 0!==e?e:new D,this.b=void 0!==t?t:new D,this.c=void 0!==n?n:new D}Object.assign(Xe,{getNormal:function(e,t,n,i){void 0===i&&(console.warn("THREE.Triangle: .getNormal() target is now required"),i=new D),i.subVectors(n,t),Ue.subVectors(e,t),i.cross(Ue);var r=i.lengthSq();return r>0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)},getBarycoord:function(e,t,n,i,r){Ue.subVectors(i,t),Fe.subVectors(n,t),Be.subVectors(e,t);var a=Ue.dot(Ue),o=Ue.dot(Fe),s=Ue.dot(Be),l=Fe.dot(Fe),c=Fe.dot(Be),h=a*l-o*o;if(void 0===r&&(console.warn("THREE.Triangle: .getBarycoord() target is now required"),r=new D),0===h)return r.set(-2,-1,-1);var u=1/h,p=(l*s-o*c)*u,d=(a*c-o*s)*u;return r.set(1-p-d,d,p)},containsPoint:function(e,t,n,i){return Xe.getBarycoord(e,t,n,i,He),He.x>=0&&He.y>=0&&He.x+He.y<=1},getUV:function(e,t,n,i,r,a,o,s){return this.getBarycoord(e,t,n,i,He),s.set(0,0),s.addScaledVector(r,He.x),s.addScaledVector(a,He.y),s.addScaledVector(o,He.z),s},isFrontFacing:function(e,t,n,i){return Ue.subVectors(n,t),Fe.subVectors(e,t),Ue.cross(Fe).dot(i)<0}}),Object.assign(Xe.prototype,{set:function(e,t,n){return this.a.copy(e),this.b.copy(t),this.c.copy(n),this},setFromPointsAndIndices:function(e,t,n,i){return this.a.copy(e[t]),this.b.copy(e[n]),this.c.copy(e[i]),this},clone:function(){return(new this.constructor).copy(this)},copy:function(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this},getArea:function(){return Ue.subVectors(this.c,this.b),Fe.subVectors(this.a,this.b),.5*Ue.cross(Fe).length()},getMidpoint:function(e){return void 0===e&&(console.warn("THREE.Triangle: .getMidpoint() target is now required"),e=new D),e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)},getNormal:function(e){return Xe.getNormal(this.a,this.b,this.c,e)},getPlane:function(e){return void 0===e&&(console.warn("THREE.Triangle: .getPlane() target is now required"),e=new ze),e.setFromCoplanarPoints(this.a,this.b,this.c)},getBarycoord:function(e,t){return Xe.getBarycoord(e,this.a,this.b,this.c,t)},getUV:function(e,t,n,i,r){return Xe.getUV(e,this.a,this.b,this.c,t,n,i,r)},containsPoint:function(e){return Xe.containsPoint(e,this.a,this.b,this.c)},isFrontFacing:function(e){return Xe.isFrontFacing(this.a,this.b,this.c,e)},intersectsBox:function(e){return e.intersectsTriangle(this)},closestPointToPoint:function(e,t){void 0===t&&(console.warn("THREE.Triangle: .closestPointToPoint() target is now required"),t=new D);var n,i,r=this.a,a=this.b,o=this.c;Ge.subVectors(a,r),ke.subVectors(o,r),je.subVectors(e,r);var s=Ge.dot(je),l=ke.dot(je);if(s<=0&&l<=0)return t.copy(r);We.subVectors(e,a);var c=Ge.dot(We),h=ke.dot(We);if(c>=0&&h<=c)return t.copy(a);var u=s*h-c*l;if(u<=0&&s>=0&&c<=0)return n=s/(s-c),t.copy(r).addScaledVector(Ge,n);qe.subVectors(e,o);var p=Ge.dot(qe),d=ke.dot(qe);if(d>=0&&p<=d)return t.copy(o);var f=p*l-s*d;if(f<=0&&l>=0&&d<=0)return i=l/(l-d),t.copy(r).addScaledVector(ke,i);var m=c*d-p*h;if(m<=0&&h-c>=0&&p-d>=0)return Ve.subVectors(o,a),i=(h-c)/(h-c+(p-d)),t.copy(a).addScaledVector(Ve,i);var g=1/(m+f+u);return n=f*g,i=u*g,t.copy(r).addScaledVector(Ge,n).addScaledVector(ke,i)},equals:function(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}});var Ye={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},Je={h:0,s:0,l:0},Ze={h:0,s:0,l:0};function Ke(e,t,n){return void 0===t&&void 0===n?this.set(e):this.setRGB(e,t,n)}function Qe(e,t,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?e+6*(t-e)*n:n<.5?t:n<2/3?e+6*(t-e)*(2/3-n):e}function $e(e){return e<.04045?.0773993808*e:Math.pow(.9478672986*e+.0521327014,2.4)}function et(e){return e<.0031308?12.92*e:1.055*Math.pow(e,.41666)-.055}function tt(e,t,n,i,r,a){this.a=e,this.b=t,this.c=n,this.normal=i&&i.isVector3?i:new D,this.vertexNormals=Array.isArray(i)?i:[],this.color=r&&r.isColor?r:new Ke,this.vertexColors=Array.isArray(r)?r:[],this.materialIndex=void 0!==a?a:0}Object.assign(Ke.prototype,{isColor:!0,r:1,g:1,b:1,set:function(e){return e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e),this},setScalar:function(e){return this.r=e,this.g=e,this.b=e,this},setHex:function(e){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(255&e)/255,this},setRGB:function(e,t,n){return this.r=e,this.g=t,this.b=n,this},setHSL:function(e,t,n){if(e=_.euclideanModulo(e,1),t=_.clamp(t,0,1),n=_.clamp(n,0,1),0===t)this.r=this.g=this.b=n;else{var i=n<=.5?n*(1+t):n+t-n*t,r=2*n-i;this.r=Qe(r,i,e+1/3),this.g=Qe(r,i,e),this.b=Qe(r,i,e-1/3)}return this},setStyle:function(e){function t(t){void 0!==t&&parseFloat(t)<1&&console.warn("THREE.Color: Alpha component of "+e+" will be ignored.")}var n;if(n=/^((?:rgb|hsl)a?)\(\s*([^\)]*)\)/.exec(e)){var i,r=n[1],a=n[2];switch(r){case"rgb":case"rgba":if(i=/^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(a))return this.r=Math.min(255,parseInt(i[1],10))/255,this.g=Math.min(255,parseInt(i[2],10))/255,this.b=Math.min(255,parseInt(i[3],10))/255,t(i[5]),this;if(i=/^(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(a))return this.r=Math.min(100,parseInt(i[1],10))/100,this.g=Math.min(100,parseInt(i[2],10))/100,this.b=Math.min(100,parseInt(i[3],10))/100,t(i[5]),this;break;case"hsl":case"hsla":if(i=/^([0-9]*\.?[0-9]+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(a)){var o=parseFloat(i[1])/360,s=parseInt(i[2],10)/100,l=parseInt(i[3],10)/100;return t(i[5]),this.setHSL(o,s,l)}}}else if(n=/^\#([A-Fa-f0-9]+)$/.exec(e)){var c=n[1],h=c.length;if(3===h)return this.r=parseInt(c.charAt(0)+c.charAt(0),16)/255,this.g=parseInt(c.charAt(1)+c.charAt(1),16)/255,this.b=parseInt(c.charAt(2)+c.charAt(2),16)/255,this;if(6===h)return this.r=parseInt(c.charAt(0)+c.charAt(1),16)/255,this.g=parseInt(c.charAt(2)+c.charAt(3),16)/255,this.b=parseInt(c.charAt(4)+c.charAt(5),16)/255,this}return e&&e.length>0?this.setColorName(e):this},setColorName:function(e){var t=Ye[e];return void 0!==t?this.setHex(t):console.warn("THREE.Color: Unknown color "+e),this},clone:function(){return new this.constructor(this.r,this.g,this.b)},copy:function(e){return this.r=e.r,this.g=e.g,this.b=e.b,this},copyGammaToLinear:function(e,t){return void 0===t&&(t=2),this.r=Math.pow(e.r,t),this.g=Math.pow(e.g,t),this.b=Math.pow(e.b,t),this},copyLinearToGamma:function(e,t){void 0===t&&(t=2);var n=t>0?1/t:1;return this.r=Math.pow(e.r,n),this.g=Math.pow(e.g,n),this.b=Math.pow(e.b,n),this},convertGammaToLinear:function(e){return this.copyGammaToLinear(this,e),this},convertLinearToGamma:function(e){return this.copyLinearToGamma(this,e),this},copySRGBToLinear:function(e){return this.r=$e(e.r),this.g=$e(e.g),this.b=$e(e.b),this},copyLinearToSRGB:function(e){return this.r=et(e.r),this.g=et(e.g),this.b=et(e.b),this},convertSRGBToLinear:function(){return this.copySRGBToLinear(this),this},convertLinearToSRGB:function(){return this.copyLinearToSRGB(this),this},getHex:function(){return 255*this.r<<16^255*this.g<<8^255*this.b<<0},getHexString:function(){return("000000"+this.getHex().toString(16)).slice(-6)},getHSL:function(e){void 0===e&&(console.warn("THREE.Color: .getHSL() target is now required"),e={h:0,s:0,l:0});var t,n,i=this.r,r=this.g,a=this.b,o=Math.max(i,r,a),s=Math.min(i,r,a),l=(s+o)/2;if(s===o)t=0,n=0;else{var c=o-s;switch(n=l<=.5?c/(o+s):c/(2-o-s),o){case i:t=(r-a)/c+(r0&&(n.alphaTest=this.alphaTest),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=this.premultipliedAlpha),!0===this.wireframe&&(n.wireframe=this.wireframe),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(n.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(n.wireframeLinejoin=this.wireframeLinejoin),!0===this.morphTargets&&(n.morphTargets=!0),!0===this.morphNormals&&(n.morphNormals=!0),!0===this.skinning&&(n.skinning=!0),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),"{}"!==JSON.stringify(this.userData)&&(n.userData=this.userData),t){var r=i(e.textures),a=i(e.images);r.length>0&&(n.textures=r),a.length>0&&(n.images=a)}return n},clone:function(){return(new this.constructor).copy(this)},copy:function(e){this.name=e.name,this.fog=e.fog,this.blending=e.blending,this.side=e.side,this.flatShading=e.flatShading,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;var t=e.clippingPlanes,n=null;if(null!==t){var i=t.length;n=new Array(i);for(var r=0;r!==i;++r)n[r]=t[r].clone()}return this.clippingPlanes=n,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.premultipliedAlpha=e.premultipliedAlpha,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this},dispose:function(){this.dispatchEvent({type:"dispose"})}}),Object.defineProperty(it.prototype,"needsUpdate",{set:function(e){!0===e&&this.version++}}),rt.prototype=Object.create(it.prototype),rt.prototype.constructor=rt,rt.prototype.isMeshBasicMaterial=!0,rt.prototype.copy=function(e){return it.prototype.copy.call(this,e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this};var at=new D;function ot(e,t,n){if(Array.isArray(e))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.name="",this.array=e,this.itemSize=t,this.count=void 0!==e?e.length/t:0,this.normalized=!0===n,this.usage=35044,this.updateRange={offset:0,count:-1},this.version=0}function st(e,t,n){ot.call(this,new Int8Array(e),t,n)}function lt(e,t,n){ot.call(this,new Uint8Array(e),t,n)}function ct(e,t,n){ot.call(this,new Uint8ClampedArray(e),t,n)}function ht(e,t,n){ot.call(this,new Int16Array(e),t,n)}function ut(e,t,n){ot.call(this,new Uint16Array(e),t,n)}function pt(e,t,n){ot.call(this,new Int32Array(e),t,n)}function dt(e,t,n){ot.call(this,new Uint32Array(e),t,n)}function ft(e,t,n){ot.call(this,new Float32Array(e),t,n)}function mt(e,t,n){ot.call(this,new Float64Array(e),t,n)}function gt(){this.vertices=[],this.normals=[],this.colors=[],this.uvs=[],this.uvs2=[],this.groups=[],this.morphTargets={},this.skinWeights=[],this.skinIndices=[],this.boundingBox=null,this.boundingSphere=null,this.verticesNeedUpdate=!1,this.normalsNeedUpdate=!1,this.colorsNeedUpdate=!1,this.uvsNeedUpdate=!1,this.groupsNeedUpdate=!1}function vt(e){if(0===e.length)return-1/0;let t=e[0];for(let n=1,i=e.length;nt&&(t=e[n]);return t}Object.defineProperty(ot.prototype,"needsUpdate",{set:function(e){!0===e&&this.version++}}),Object.assign(ot.prototype,{isBufferAttribute:!0,onUploadCallback:function(){},setUsage:function(e){return this.usage=e,this},copy:function(e){return this.name=e.name,this.array=new e.array.constructor(e.array),this.itemSize=e.itemSize,this.count=e.count,this.normalized=e.normalized,this.usage=e.usage,this},copyAt:function(e,t,n){e*=this.itemSize,n*=t.itemSize;for(var i=0,r=this.itemSize;i0,o=r[1]&&r[1].length>0,s=e.morphTargets,l=s.length;if(l>0){t=[];for(var c=0;c0){h=[];for(c=0;c0&&0===n.length&&console.error("THREE.DirectGeometry: Faceless geometries are not supported.");for(c=0;c65535?dt:ut)(e,1):this.index=e},getAttribute:function(e){return this.attributes[e]},setAttribute:function(e,t){return this.attributes[e]=t,this},deleteAttribute:function(e){return delete this.attributes[e],this},addGroup:function(e,t,n){this.groups.push({start:e,count:t,materialIndex:void 0!==n?n:0})},clearGroups:function(){this.groups=[]},setDrawRange:function(e,t){this.drawRange.start=e,this.drawRange.count=t},applyMatrix4:function(e){var t=this.attributes.position;void 0!==t&&(t.applyMatrix4(e),t.needsUpdate=!0);var n=this.attributes.normal;if(void 0!==n){var i=(new S).getNormalMatrix(e);n.applyNormalMatrix(i),n.needsUpdate=!0}var r=this.attributes.tangent;return void 0!==r&&(r.transformDirection(e),r.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this},rotateX:function(e){return xt.makeRotationX(e),this.applyMatrix4(xt),this},rotateY:function(e){return xt.makeRotationY(e),this.applyMatrix4(xt),this},rotateZ:function(e){return xt.makeRotationZ(e),this.applyMatrix4(xt),this},translate:function(e,t,n){return xt.makeTranslation(e,t,n),this.applyMatrix4(xt),this},scale:function(e,t,n){return xt.makeScale(e,t,n),this.applyMatrix4(xt),this},lookAt:function(e){return bt.lookAt(e),bt.updateMatrix(),this.applyMatrix4(bt.matrix),this},center:function(){return this.computeBoundingBox(),this.boundingBox.getCenter(wt).negate(),this.translate(wt.x,wt.y,wt.z),this},setFromObject:function(e){var t=e.geometry;if(e.isPoints||e.isLine){var n=new ft(3*t.vertices.length,3),i=new ft(3*t.colors.length,3);if(this.setAttribute("position",n.copyVector3sArray(t.vertices)),this.setAttribute("color",i.copyColorsArray(t.colors)),t.lineDistances&&t.lineDistances.length===t.vertices.length){var r=new ft(t.lineDistances.length,1);this.setAttribute("lineDistance",r.copyArray(t.lineDistances))}null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone())}else e.isMesh&&t&&t.isGeometry&&this.fromGeometry(t);return this},setFromPoints:function(e){for(var t=[],n=0,i=e.length;n0){var n=new Float32Array(3*e.normals.length);this.setAttribute("normal",new ot(n,3).copyVector3sArray(e.normals))}if(e.colors.length>0){var i=new Float32Array(3*e.colors.length);this.setAttribute("color",new ot(i,3).copyColorsArray(e.colors))}if(e.uvs.length>0){var r=new Float32Array(2*e.uvs.length);this.setAttribute("uv",new ot(r,2).copyVector2sArray(e.uvs))}if(e.uvs2.length>0){var a=new Float32Array(2*e.uvs2.length);this.setAttribute("uv2",new ot(a,2).copyVector2sArray(e.uvs2))}for(var o in this.groups=e.groups,e.morphTargets){for(var s=[],l=e.morphTargets[o],c=0,h=l.length;c0){var d=new ft(4*e.skinIndices.length,4);this.setAttribute("skinIndex",d.copyVector4sArray(e.skinIndices))}if(e.skinWeights.length>0){var f=new ft(4*e.skinWeights.length,4);this.setAttribute("skinWeight",f.copyVector4sArray(e.skinWeights))}return null!==e.boundingSphere&&(this.boundingSphere=e.boundingSphere.clone()),null!==e.boundingBox&&(this.boundingBox=e.boundingBox.clone()),this},computeBoundingBox:function(){null===this.boundingBox&&(this.boundingBox=new we);var e=this.attributes.position,t=this.morphAttributes.position;if(void 0!==e){if(this.boundingBox.setFromBufferAttribute(e),t)for(var n=0,i=t.length;n0&&(e.userData=this.userData),void 0!==this.parameters){var t=this.parameters;for(var n in t)void 0!==t[n]&&(e[n]=t[n]);return e}e.data={attributes:{}};var i=this.index;null!==i&&(e.data.index={type:i.array.constructor.name,array:Array.prototype.slice.call(i.array)});var r=this.attributes;for(var n in r){var a=(p=r[n]).toJSON();""!==p.name&&(a.name=p.name),e.data.attributes[n]=a}var o={},s=!1;for(var n in this.morphAttributes){for(var l=this.morphAttributes[n],c=[],h=0,u=l.length;h0&&(o[n]=c,s=!0)}s&&(e.data.morphAttributes=o,e.data.morphTargetsRelative=this.morphTargetsRelative);var d=this.groups;d.length>0&&(e.data.groups=JSON.parse(JSON.stringify(d)));var f=this.boundingSphere;return null!==f&&(e.data.boundingSphere={center:f.center.toArray(),radius:f.radius}),e},clone:function(){return(new Tt).copy(this)},copy:function(e){var t,n,i;this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.name=e.name;var r=e.index;null!==r&&this.setIndex(r.clone());var a=e.attributes;for(t in a){var o=a[t];this.setAttribute(t,o.clone())}var s=e.morphAttributes;for(t in s){var l=[],c=s[t];for(n=0,i=c.length;nn.far?null:{distance:l,point:kt.clone(),object:e}}function Wt(e,t,n,i,r,a,o,s,l,c,h,u){Rt.fromBufferAttribute(r,c),Pt.fromBufferAttribute(r,h),Ct.fromBufferAttribute(r,u);var p=e.morphTargetInfluences;if(t.morphTargets&&a&&p){Nt.set(0,0,0),zt.set(0,0,0),Ut.set(0,0,0);for(var d=0,f=a.length;d0){var o=r[a[0]];if(void 0!==o)for(this.morphTargetInfluences=[],this.morphTargetDictionary={},e=0,t=o.length;e0&&console.error("THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}},raycast:function(e,t){var n,i=this.geometry,r=this.material,a=this.matrixWorld;if(void 0!==r&&(null===i.boundingSphere&&i.computeBoundingSphere(),Lt.copy(i.boundingSphere),Lt.applyMatrix4(a),!1!==e.ray.intersectsSphere(Lt)&&(Et.getInverse(a),At.copy(e.ray).applyMatrix4(Et),null===i.boundingBox||!1!==At.intersectsBox(i.boundingBox))))if(i.isBufferGeometry){var o,s,l,c,h,u,p,d,f,m=i.index,g=i.attributes.position,v=i.morphAttributes.position,y=i.morphTargetsRelative,x=i.attributes.uv,b=i.attributes.uv2,w=i.groups,_=i.drawRange;if(null!==m)if(Array.isArray(r))for(c=0,u=w.length;c0&&(A=C);for(var O=0,I=P.length;O0)for(c=0;c0&&(this.normalsNeedUpdate=!0)},computeFlatVertexNormals:function(){var e,t,n;for(this.computeFaceNormals(),e=0,t=this.faces.length;e0&&(this.normalsNeedUpdate=!0)},computeMorphNormals:function(){var e,t,n,i,r;for(n=0,i=this.faces.length;n=0;n--){var f=p[n];for(this.faces.splice(f,1),o=0,s=this.faceVertexUvs.length;o0,g=d.vertexNormals.length>0,v=1!==d.color.r||1!==d.color.g||1!==d.color.b,y=d.vertexColors.length>0,x=0;if(x=M(x,0,0),x=M(x,1,!0),x=M(x,2,!1),x=M(x,3,f),x=M(x,4,m),x=M(x,5,g),x=M(x,6,v),x=M(x,7,y),o.push(x),o.push(d.a,d.b,d.c),o.push(d.materialIndex),f){var b=this.faceVertexUvs[0][r];o.push(E(b[0]),E(b[1]),E(b[2]))}if(m&&o.push(S(d.normal)),g){var w=d.vertexNormals;o.push(S(w[0]),S(w[1]),S(w[2]))}if(v&&o.push(T(d.color)),y){var _=d.vertexColors;o.push(T(_[0]),T(_[1]),T(_[2]))}}function M(e,t,n){return n?e|1<0&&(e.data.colors=c),u.length>0&&(e.data.uvs=[u]),e.data.faces=o,e},clone:function(){return(new Zt).copy(this)},copy:function(e){var t,n,i,r,a,o;this.vertices=[],this.colors=[],this.faces=[],this.faceVertexUvs=[[]],this.morphTargets=[],this.morphNormals=[],this.skinWeights=[],this.skinIndices=[],this.lineDistances=[],this.boundingBox=null,this.boundingSphere=null,this.name=e.name;var s=e.vertices;for(t=0,n=s.length;t0?1:-1,c.push(A.x,A.y,A.z),h.push(s/m),h.push(1-a/g),T+=1}}for(let e=0;e0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader;var r={};for(var a in this.extensions)!0===this.extensions[a]&&(r[a]=!0);return Object.keys(r).length>0&&(t.extensions=r),t},nn.prototype=Object.assign(Object.create(oe.prototype),{constructor:nn,isCamera:!0,copy:function(e,t){return oe.prototype.copy.call(this,e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this},getWorldDirection:function(e){void 0===e&&(console.warn("THREE.Camera: .getWorldDirection() target is now required"),e=new D),this.updateMatrixWorld(!0);var t=this.matrixWorld.elements;return e.set(-t[8],-t[9],-t[10]).normalize()},updateMatrixWorld:function(e){oe.prototype.updateMatrixWorld.call(this,e),this.matrixWorldInverse.getInverse(this.matrixWorld)},updateWorldMatrix:function(e,t){oe.prototype.updateWorldMatrix.call(this,e,t),this.matrixWorldInverse.getInverse(this.matrixWorld)},clone:function(){return(new this.constructor).copy(this)}}),rn.prototype=Object.assign(Object.create(nn.prototype),{constructor:rn,isPerspectiveCamera:!0,copy:function(e,t){return nn.prototype.copy.call(this,e,t),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=null===e.view?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this},setFocalLength:function(e){var t=.5*this.getFilmHeight()/e;this.fov=2*_.RAD2DEG*Math.atan(t),this.updateProjectionMatrix()},getFocalLength:function(){var e=Math.tan(.5*_.DEG2RAD*this.fov);return.5*this.getFilmHeight()/e},getEffectiveFOV:function(){return 2*_.RAD2DEG*Math.atan(Math.tan(.5*_.DEG2RAD*this.fov)/this.zoom)},getFilmWidth:function(){return this.filmGauge*Math.min(this.aspect,1)},getFilmHeight:function(){return this.filmGauge/Math.max(this.aspect,1)},setViewOffset:function(e,t,n,i,r,a){this.aspect=e/t,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=a,this.updateProjectionMatrix()},clearViewOffset:function(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()},updateProjectionMatrix:function(){var e=this.near,t=e*Math.tan(.5*_.DEG2RAD*this.fov)/this.zoom,n=2*t,i=this.aspect*n,r=-.5*i,a=this.view;if(null!==this.view&&this.view.enabled){var o=a.fullWidth,s=a.fullHeight;r+=a.offsetX*i/o,t-=a.offsetY*n/s,i*=a.width/o,n*=a.height/s}var l=this.filmOffset;0!==l&&(r+=e*l/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,t,t-n,e,this.far),this.projectionMatrixInverse.getInverse(this.projectionMatrix)},toJSON:function(e){var t=oe.prototype.toJSON.call(this,e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,null!==this.view&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}});function an(e,t,n){if(oe.call(this),this.type="CubeCamera",!0===n.isWebGLCubeRenderTarget){this.renderTarget=n;var i=new rn(90,1,e,t);i.layers=this.layers,i.up.set(0,-1,0),i.lookAt(new D(1,0,0)),this.add(i);var r=new rn(90,1,e,t);r.layers=this.layers,r.up.set(0,-1,0),r.lookAt(new D(-1,0,0)),this.add(r);var a=new rn(90,1,e,t);a.layers=this.layers,a.up.set(0,0,1),a.lookAt(new D(0,1,0)),this.add(a);var o=new rn(90,1,e,t);o.layers=this.layers,o.up.set(0,0,-1),o.lookAt(new D(0,-1,0)),this.add(o);var s=new rn(90,1,e,t);s.layers=this.layers,s.up.set(0,-1,0),s.lookAt(new D(0,0,1)),this.add(s);var l=new rn(90,1,e,t);l.layers=this.layers,l.up.set(0,-1,0),l.lookAt(new D(0,0,-1)),this.add(l),this.update=function(e,t){null===this.parent&&this.updateMatrixWorld();var c=e.xr.enabled,h=e.getRenderTarget();e.xr.enabled=!1;var u=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,e.setRenderTarget(n,0),e.render(t,i),e.setRenderTarget(n,1),e.render(t,r),e.setRenderTarget(n,2),e.render(t,a),e.setRenderTarget(n,3),e.render(t,o),e.setRenderTarget(n,4),e.render(t,s),n.texture.generateMipmaps=u,e.setRenderTarget(n,5),e.render(t,l),e.setRenderTarget(h),e.xr.enabled=c},this.clear=function(e,t,i,r){for(var a=e.getRenderTarget(),o=0;o<6;o++)e.setRenderTarget(n,o),e.clear(t,i,r);e.setRenderTarget(a)}}else console.error("THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.")}function on(e,t,n){Number.isInteger(t)&&(console.warn("THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )"),t=n),R.call(this,e,e,t)}function sn(e,t,n,i,r,a,o,s,l,c,h,u){A.call(this,null,a,o,s,l,c,i,r,h,u),this.image={data:e||null,width:t||1,height:n||1},this.magFilter=void 0!==l?l:1003,this.minFilter=void 0!==c?c:1003,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.needsUpdate=!0}an.prototype=Object.create(oe.prototype),an.prototype.constructor=an,on.prototype=Object.create(R.prototype),on.prototype.constructor=on,on.prototype.isWebGLCubeRenderTarget=!0,on.prototype.fromEquirectangularTexture=function(e,t){this.texture.type=t.type,this.texture.format=t.format,this.texture.encoding=t.encoding;var n=new se,i={uniforms:{tEquirect:{value:null}},vertexShader:["varying vec3 vWorldDirection;","vec3 transformDirection( in vec3 dir, in mat4 matrix ) {","\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );","}","void main() {","\tvWorldDirection = transformDirection( position, modelMatrix );","\t#include ","\t#include ","}"].join("\n"),fragmentShader:["uniform sampler2D tEquirect;","varying vec3 vWorldDirection;","#include ","void main() {","\tvec3 direction = normalize( vWorldDirection );","\tvec2 sampleUV = equirectUv( direction );","\tgl_FragColor = texture2D( tEquirect, sampleUV );","}"].join("\n")},r=new tn({type:"CubemapFromEquirect",uniforms:Qt(i.uniforms),vertexShader:i.vertexShader,fragmentShader:i.fragmentShader,side:1,blending:0});r.uniforms.tEquirect.value=t;var a=new Vt(new Kt(5,5,5),r);return n.add(a),new an(1,10,this).update(e,n),a.geometry.dispose(),a.material.dispose(),this},sn.prototype=Object.create(A.prototype),sn.prototype.constructor=sn,sn.prototype.isDataTexture=!0;var ln=new Se,cn=new D;function hn(e,t,n,i,r,a){this.planes=[void 0!==e?e:new ze,void 0!==t?t:new ze,void 0!==n?n:new ze,void 0!==i?i:new ze,void 0!==r?r:new ze,void 0!==a?a:new ze]}Object.assign(hn.prototype,{set:function(e,t,n,i,r,a){var o=this.planes;return o[0].copy(e),o[1].copy(t),o[2].copy(n),o[3].copy(i),o[4].copy(r),o[5].copy(a),this},clone:function(){return(new this.constructor).copy(this)},copy:function(e){for(var t=this.planes,n=0;n<6;n++)t[n].copy(e.planes[n]);return this},setFromProjectionMatrix:function(e){var t=this.planes,n=e.elements,i=n[0],r=n[1],a=n[2],o=n[3],s=n[4],l=n[5],c=n[6],h=n[7],u=n[8],p=n[9],d=n[10],f=n[11],m=n[12],g=n[13],v=n[14],y=n[15];return t[0].setComponents(o-i,h-s,f-u,y-m).normalize(),t[1].setComponents(o+i,h+s,f+u,y+m).normalize(),t[2].setComponents(o+r,h+l,f+p,y+g).normalize(),t[3].setComponents(o-r,h-l,f-p,y-g).normalize(),t[4].setComponents(o-a,h-c,f-d,y-v).normalize(),t[5].setComponents(o+a,h+c,f+d,y+v).normalize(),this},intersectsObject:function(e){var t=e.geometry;return null===t.boundingSphere&&t.computeBoundingSphere(),ln.copy(t.boundingSphere).applyMatrix4(e.matrixWorld),this.intersectsSphere(ln)},intersectsSprite:function(e){return ln.center.set(0,0,0),ln.radius=.7071067811865476,ln.applyMatrix4(e.matrixWorld),this.intersectsSphere(ln)},intersectsSphere:function(e){for(var t=this.planes,n=e.center,i=-e.radius,r=0;r<6;r++){if(t[r].distanceToPoint(n)0?e.max.x:e.min.x,cn.y=i.normal.y>0?e.max.y:e.min.y,cn.z=i.normal.z>0?e.max.z:e.min.z,i.distanceToPoint(cn)<0)return!1}return!0},containsPoint:function(e){for(var t=this.planes,n=0;n<6;n++)if(t[n].distanceToPoint(e)<0)return!1;return!0}});var un={common:{diffuse:{value:new Ke(15658734)},opacity:{value:1},map:{value:null},uvTransform:{value:new S},uv2Transform:{value:new S},alphaMap:{value:null}},specularmap:{specularMap:{value:null}},envmap:{envMap:{value:null},flipEnvMap:{value:-1},reflectivity:{value:1},refractionRatio:{value:.98},maxMipLevel:{value:0}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1}},emissivemap:{emissiveMap:{value:null}},bumpmap:{bumpMap:{value:null},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalScale:{value:new M(1,1)}},displacementmap:{displacementMap:{value:null},displacementScale:{value:1},displacementBias:{value:0}},roughnessmap:{roughnessMap:{value:null}},metalnessmap:{metalnessMap:{value:null}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:25e-5},fogNear:{value:1},fogFar:{value:2e3},fogColor:{value:new Ke(16777215)}},lights:{ambientLightColor:{value:[]},lightProbe:{value:[]},directionalLights:{value:[],properties:{direction:{},color:{}}},directionalLightShadows:{value:[],properties:{shadowBias:{},shadowRadius:{},shadowMapSize:{}}},directionalShadowMap:{value:[]},directionalShadowMatrix:{value:[]},spotLights:{value:[],properties:{color:{},position:{},direction:{},distance:{},coneCos:{},penumbraCos:{},decay:{}}},spotLightShadows:{value:[],properties:{shadowBias:{},shadowRadius:{},shadowMapSize:{}}},spotShadowMap:{value:[]},spotShadowMatrix:{value:[]},pointLights:{value:[],properties:{color:{},position:{},decay:{},distance:{}}},pointLightShadows:{value:[],properties:{shadowBias:{},shadowRadius:{},shadowMapSize:{},shadowCameraNear:{},shadowCameraFar:{}}},pointShadowMap:{value:[]},pointShadowMatrix:{value:[]},hemisphereLights:{value:[],properties:{direction:{},skyColor:{},groundColor:{}}},rectAreaLights:{value:[],properties:{color:{},position:{},width:{},height:{}}}},points:{diffuse:{value:new Ke(15658734)},opacity:{value:1},size:{value:1},scale:{value:1},map:{value:null},alphaMap:{value:null},uvTransform:{value:new S}},sprite:{diffuse:{value:new Ke(15658734)},opacity:{value:1},center:{value:new M(.5,.5)},rotation:{value:0},map:{value:null},alphaMap:{value:null},uvTransform:{value:new S}}};function pn(){var e=null,t=!1,n=null;function i(r,a){!1!==t&&(n(r,a),e.requestAnimationFrame(i))}return{start:function(){!0!==t&&null!==n&&(e.requestAnimationFrame(i),t=!0)},stop:function(){t=!1},setAnimationLoop:function(e){n=e},setContext:function(t){e=t}}}function dn(e,t){var n=t.isWebGL2,i=new WeakMap;return{get:function(e){return e.isInterleavedBufferAttribute&&(e=e.data),i.get(e)},remove:function(t){t.isInterleavedBufferAttribute&&(t=t.data);var n=i.get(t);n&&(e.deleteBuffer(n.buffer),i.delete(t))},update:function(t,r){t.isInterleavedBufferAttribute&&(t=t.data);var a=i.get(t);void 0===a?i.set(t,function(t,n){var i=t.array,r=t.usage,a=e.createBuffer();e.bindBuffer(n,a),e.bufferData(n,i,r),t.onUploadCallback();var o=5126;return i instanceof Float32Array?o=5126:i instanceof Float64Array?console.warn("THREE.WebGLAttributes: Unsupported data buffer format: Float64Array."):i instanceof Uint16Array?o=5123:i instanceof Int16Array?o=5122:i instanceof Uint32Array?o=5125:i instanceof Int32Array?o=5124:i instanceof Int8Array?o=5120:i instanceof Uint8Array&&(o=5121),{buffer:a,type:o,bytesPerElement:i.BYTES_PER_ELEMENT,version:t.version}}(t,r)):a.version 0.0 ) {\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t}\n\treturn distanceFalloff;\n#else\n\tif( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t}\n\treturn 1.0;\n#endif\n}\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n}\nvec3 F_Schlick_RoughnessDependent( const in vec3 F0, const in float dotNV, const in float roughness ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotNV - 6.98316 ) * dotNV );\n\tvec3 Fr = max( vec3( 1.0 - roughness ), F0 ) - F0;\n\treturn Fr * fresnel + F0;\n}\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\treturn 1.0 / ( gl * gv );\n}\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( incidentLight.direction + viewDir );\n\tfloat dotNL = saturate( dot( normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( G * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\nvec3 BRDF_Specular_GGX_Environment( const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\treturn specularColor * brdf.x + brdf.y;\n}\nvoid BRDF_Specular_Multiscattering_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tvec3 F = F_Schlick_RoughnessDependent( specularColor, dotNV, roughness );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\tvec3 FssEss = F * brdf.x + brdf.y;\n\tfloat Ess = brdf.x + brdf.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\n}\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie(float roughness, float NoH) {\n\tfloat invAlpha = 1.0 / roughness;\n\tfloat cos2h = NoH * NoH;\n\tfloat sin2h = max(1.0 - cos2h, 0.0078125);\treturn (2.0 + invAlpha) * pow(sin2h, invAlpha * 0.5) / (2.0 * PI);\n}\nfloat V_Neubelt(float NoV, float NoL) {\n\treturn saturate(1.0 / (4.0 * (NoL + NoV - NoL * NoV)));\n}\nvec3 BRDF_Specular_Sheen( const in float roughness, const in vec3 L, const in GeometricContext geometry, vec3 specularColor ) {\n\tvec3 N = geometry.normal;\n\tvec3 V = geometry.viewDir;\n\tvec3 H = normalize( V + L );\n\tfloat dotNH = saturate( dot( N, H ) );\n\treturn specularColor * D_Charlie( roughness, dotNH ) * V_Neubelt( dot(N, V), dot(N, L) );\n}\n#endif",bumpmap_pars_fragment:"#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\n\t\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\n\t\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 );\n\t\tfDet *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif",clipping_planes_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t#pragma unroll_loop_end\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\tif ( clipped ) discard;\n\t#endif\n#endif",clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",color_fragment:"#ifdef USE_COLOR\n\tdiffuseColor.rgb *= vColor;\n#endif",color_pars_fragment:"#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif",color_pars_vertex:"#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif",color_vertex:"#ifdef USE_COLOR\n\tvColor.xyz = color.xyz;\n#endif",common:"#define PI 3.14159265359\n#define PI2 6.28318530718\n#define PI_HALF 1.5707963267949\n#define RECIPROCAL_PI 0.31830988618\n#define RECIPROCAL_PI2 0.15915494\n#define LOG2 1.442695\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement(a) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract(sin(sn) * c);\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat max3( vec3 v ) { return max( max( v.x, v.y ), v.z ); }\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\tfloat distance = dot( planeNormal, point - pointOnPlane );\n\treturn - distance * planeNormal + point;\n}\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn sign( dot( point - pointOnPlane, planeNormal ) );\n}\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat linearToRelativeLuminance( const in vec3 color ) {\n\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\n\treturn dot( weights, color.rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n return m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n#define cubeUV_maxMipLevel 8.0\n#define cubeUV_minMipLevel 4.0\n#define cubeUV_maxTileSize 256.0\n#define cubeUV_minTileSize 16.0\nfloat getFace(vec3 direction) {\n vec3 absDirection = abs(direction);\n float face = -1.0;\n if (absDirection.x > absDirection.z) {\n if (absDirection.x > absDirection.y)\n face = direction.x > 0.0 ? 0.0 : 3.0;\n else\n face = direction.y > 0.0 ? 1.0 : 4.0;\n } else {\n if (absDirection.z > absDirection.y)\n face = direction.z > 0.0 ? 2.0 : 5.0;\n else\n face = direction.y > 0.0 ? 1.0 : 4.0;\n }\n return face;\n}\nvec2 getUV(vec3 direction, float face) {\n vec2 uv;\n if (face == 0.0) {\n uv = vec2(direction.z, direction.y) / abs(direction.x); } else if (face == 1.0) {\n uv = vec2(-direction.x, -direction.z) / abs(direction.y); } else if (face == 2.0) {\n uv = vec2(-direction.x, direction.y) / abs(direction.z); } else if (face == 3.0) {\n uv = vec2(-direction.z, direction.y) / abs(direction.x); } else if (face == 4.0) {\n uv = vec2(-direction.x, direction.z) / abs(direction.y); } else {\n uv = vec2(direction.x, direction.y) / abs(direction.z); }\n return 0.5 * (uv + 1.0);\n}\nvec3 bilinearCubeUV(sampler2D envMap, vec3 direction, float mipInt) {\n float face = getFace(direction);\n float filterInt = max(cubeUV_minMipLevel - mipInt, 0.0);\n mipInt = max(mipInt, cubeUV_minMipLevel);\n float faceSize = exp2(mipInt);\n float texelSize = 1.0 / (3.0 * cubeUV_maxTileSize);\n vec2 uv = getUV(direction, face) * (faceSize - 1.0);\n vec2 f = fract(uv);\n uv += 0.5 - f;\n if (face > 2.0) {\n uv.y += faceSize;\n face -= 3.0;\n }\n uv.x += face * faceSize;\n if(mipInt < cubeUV_maxMipLevel){\n uv.y += 2.0 * cubeUV_maxTileSize;\n }\n uv.y += filterInt * 2.0 * cubeUV_minTileSize;\n uv.x += 3.0 * max(0.0, cubeUV_maxTileSize - 2.0 * faceSize);\n uv *= texelSize;\n vec3 tl = envMapTexelToLinear(texture2D(envMap, uv)).rgb;\n uv.x += texelSize;\n vec3 tr = envMapTexelToLinear(texture2D(envMap, uv)).rgb;\n uv.y += texelSize;\n vec3 br = envMapTexelToLinear(texture2D(envMap, uv)).rgb;\n uv.x -= texelSize;\n vec3 bl = envMapTexelToLinear(texture2D(envMap, uv)).rgb;\n vec3 tm = mix(tl, tr, f.x);\n vec3 bm = mix(bl, br, f.x);\n return mix(tm, bm, f.y);\n}\n#define r0 1.0\n#define v0 0.339\n#define m0 -2.0\n#define r1 0.8\n#define v1 0.276\n#define m1 -1.0\n#define r4 0.4\n#define v4 0.046\n#define m4 2.0\n#define r5 0.305\n#define v5 0.016\n#define m5 3.0\n#define r6 0.21\n#define v6 0.0038\n#define m6 4.0\nfloat roughnessToMip(float roughness) {\n float mip = 0.0;\n if (roughness >= r1) {\n mip = (r0 - roughness) * (m1 - m0) / (r0 - r1) + m0;\n } else if (roughness >= r4) {\n mip = (r1 - roughness) * (m4 - m1) / (r1 - r4) + m1;\n } else if (roughness >= r5) {\n mip = (r4 - roughness) * (m5 - m4) / (r4 - r5) + m4;\n } else if (roughness >= r6) {\n mip = (r5 - roughness) * (m6 - m5) / (r5 - r6) + m5;\n } else {\n mip = -2.0 * log2(1.16 * roughness); }\n return mip;\n}\nvec4 textureCubeUV(sampler2D envMap, vec3 sampleDir, float roughness) {\n float mip = clamp(roughnessToMip(roughness), m0, cubeUV_maxMipLevel);\n float mipF = fract(mip);\n float mipInt = floor(mip);\n vec3 color0 = bilinearCubeUV(envMap, sampleDir, mipInt);\n if (mipF == 0.0) {\n return vec4(color0, 1.0);\n } else {\n vec3 color1 = bilinearCubeUV(envMap, sampleDir, mipInt + 1.0);\n return vec4(mix(color0, color1, mipF), 1.0);\n }\n}\n#endif",defaultnormal_vertex:"vec3 transformedNormal = objectNormal;\n#ifdef USE_INSTANCING\n\tmat3 m = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n\ttransformedNormal = m * transformedNormal;\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",encodings_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",encodings_pars_fragment:"\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );\n}\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );\n}\nvec4 sRGBToLinear( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\nvec4 RGBEToLinear( in vec4 value ) {\n\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\nvec4 LinearToRGBE( in vec4 value ) {\n\tfloat maxComponent = max( max( value.r, value.g ), value.b );\n\tfloat fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n\treturn vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n}\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * value.a * maxRange, 1.0 );\n}\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat M = clamp( maxRGB / maxRange, 0.0, 1.0 );\n\tM = ceil( M * 255.0 ) / 255.0;\n\treturn vec4( value.rgb / ( M * maxRange ), M );\n}\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat D = max( maxRange / maxRGB, 1.0 );\n\tD = clamp( floor( D ) / 255.0, 0.0, 1.0 );\n\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 LinearToLogLuv( in vec4 value ) {\n\tvec3 Xp_Y_XYZp = cLogLuvM * value.rgb;\n\tXp_Y_XYZp = max( Xp_Y_XYZp, vec3( 1e-6, 1e-6, 1e-6 ) );\n\tvec4 vResult;\n\tvResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n\tfloat Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n\tvResult.w = fract( Le );\n\tvResult.z = ( Le - ( floor( vResult.w * 255.0 ) ) / 255.0 ) / 255.0;\n\treturn vResult;\n}\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 LogLuvToLinear( in vec4 value ) {\n\tfloat Le = value.z * 255.0 + value.w;\n\tvec3 Xp_Y_XYZp;\n\tXp_Y_XYZp.y = exp2( ( Le - 127.0 ) / 2.0 );\n\tXp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n\tXp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n\tvec3 vRGB = cLogLuvInverseM * Xp_Y_XYZp.rgb;\n\treturn vec4( max( vRGB, 0.0 ), 1.0 );\n}",envmap_fragment:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\t\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\n\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\treflectVec = normalize( reflectVec );\n\t\tvec2 sampleUV = equirectUv( reflectVec );\n\t\tvec4 envColor = texture2D( envMap, sampleUV );\n\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\treflectVec = normalize( reflectVec );\n\t\tvec3 reflectView = normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\n\t\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifndef ENVMAP_TYPE_CUBE_UV\n\t\tenvColor = envMapTexelToLinear( envColor );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform int maxMipLevel;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",envmap_pars_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",envmap_physical_pars_fragment:"#if defined( USE_ENVMAP )\n\t#ifdef ENVMAP_MODE_REFRACTION\n\t\tuniform float refractionRatio;\n\t#endif\n\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\n\t\t#else\n\t\t\tvec4 envMapColor = vec4( 0.0 );\n\t\t#endif\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t}\n\tfloat getSpecularMIPLevel( const in float roughness, const in int maxMIPLevel ) {\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\t\tfloat sigma = PI * roughness * roughness / ( 1.0 + roughness );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar + log2( sigma );\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\t}\n\tvec3 getLightProbeIndirectRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in int maxMIPLevel ) {\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t vec3 reflectVec = reflect( -viewDir, normal );\n\t\t reflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t#else\n\t\t vec3 reflectVec = refract( -viewDir, normal, refractionRatio );\n\t\t#endif\n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( roughness, maxMIPLevel );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\n\t\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\t\tvec2 sampleUV = equirectUv( reflectVec );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\t\tvec3 reflectView = normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#endif\n\t\treturn envMapColor.rgb * envMapIntensity;\n\t}\n#endif",envmap_vertex:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) { \n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",fog_vertex:"#ifdef USE_FOG\n\tfogDepth = -mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float fogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * fogDepth * fogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, fogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment:"#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float fogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",gradientmap_pars_fragment:"#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn texture2D( gradientMap, coord ).rgb;\n\t#else\n\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\t#endif\n}",lightmap_fragment:"#ifdef USE_LIGHTMAP\n\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\treflectedLight.indirectDiffuse += PI * lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n#endif",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_vertex:"vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\nvIndirectFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n\tvIndirectBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\nvIndirectFront += getAmbientLightIrradiance( ambientLightColor );\nvIndirectFront += getLightProbeIrradiance( lightProbe, geometry );\n#ifdef DOUBLE_SIDED\n\tvIndirectBack += getAmbientLightIrradiance( ambientLightColor );\n\tvIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry );\n#endif\n#if NUM_POINT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_DIR_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in GeometricContext geometry ) {\n\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treturn irradiance;\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\tdirectLight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tdirectLight.color = pointLight.color;\n\t\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\n\t\tdirectLight.visible = ( directLight.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tfloat angleCos = dot( directLight.direction, spotLight.direction );\n\t\tif ( angleCos > spotLight.coneCos ) {\n\t\t\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\t\tdirectLight.color = spotLight.color;\n\t\t\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tdirectLight.visible = true;\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tirradiance *= PI;\n\t\t#endif\n\t\treturn irradiance;\n\t}\n#endif",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct ToonMaterial {\n\tvec3\tdiffuseColor;\n\tvec3\tspecularColor;\n\tfloat\tspecularShininess;\n\tfloat\tspecularStrength;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon\n#define Material_LightProbeLOD( material )\t(0)",lights_phong_fragment:"BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_phong_pars_fragment:"varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct BlinnPhongMaterial {\n\tvec3\tdiffuseColor;\n\tvec3\tspecularColor;\n\tfloat\tspecularShininess;\n\tfloat\tspecularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.specularRoughness = max( roughnessFactor, 0.0525 );material.specularRoughness += geometryRoughness;\nmaterial.specularRoughness = min( material.specularRoughness, 1.0 );\n#ifdef REFLECTIVITY\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n#endif\n#ifdef CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheen;\n#endif",lights_physical_pars_fragment:"struct PhysicalMaterial {\n\tvec3\tdiffuseColor;\n\tfloat\tspecularRoughness;\n\tvec3\tspecularColor;\n#ifdef CLEARCOAT\n\tfloat clearcoat;\n\tfloat clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tvec3 sheenColor;\n#endif\n};\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\nfloat clearcoatDHRApprox( const in float roughness, const in float dotNL ) {\n\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.specularRoughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3( 0, 1, 0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\t#ifdef CLEARCOAT\n\t\tfloat ccDotNL = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = ccDotNL * directLight.color;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tccIrradiance *= PI;\n\t\t#endif\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\t\treflectedLight.directSpecular += ccIrradiance * material.clearcoat * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\t#else\n\t\tfloat clearcoatDHR = 0.0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_Sheen(\n\t\t\tmaterial.specularRoughness,\n\t\t\tdirectLight.direction,\n\t\t\tgeometry,\n\t\t\tmaterial.sheenColor\n\t\t);\n\t#else\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.normal, material.specularColor, material.specularRoughness);\n\t#endif\n\treflectedLight.directDiffuse += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef CLEARCOAT\n\t\tfloat ccDotNV = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular += clearcoatRadiance * material.clearcoat * BRDF_Specular_GGX_Environment( geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\t\tfloat ccDotNL = ccDotNV;\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\t#else\n\t\tfloat clearcoatDHR = 0.0;\n\t#endif\n\tfloat clearcoatInv = 1.0 - clearcoatDHR;\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\tBRDF_Specular_Multiscattering_Environment( geometry, material.specularColor, material.specularRoughness, singleScattering, multiScattering );\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\n\treflectedLight.indirectSpecular += clearcoatInv * radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin:"\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n#ifdef CLEARCOAT\n\tgeometry.clearcoatNormal = clearcoatNormal;\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry );\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tlightMapIrradiance *= PI;\n\t\t#endif\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getLightProbeIndirectIrradiance( geometry, maxMipLevel );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tradiance += getLightProbeIndirectRadiance( geometry.viewDir, geometry.normal, material.specularRoughness, maxMipLevel );\n\t#ifdef CLEARCOAT\n\t\tclearcoatRadiance += getLightProbeIndirectRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness, maxMipLevel );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\t#else\n\t\tuniform float logDepthBufFC;\n\t#endif\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\t#else\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\t\t\tgl_Position.z *= gl_Position.w;\n\t\t}\n\t#endif\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 texelColor = texture2D( map, vUv );\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n#endif",map_pars_fragment:"#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",map_particle_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n#endif\n#ifdef USE_MAP\n\tvec4 mapTexel = texture2D( map, uv );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tuniform mat3 uvTransform;\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\tuniform float morphTargetBaseInfluence;\n\t#ifndef USE_MORPHNORMALS\n\tuniform float morphTargetInfluences[ 8 ];\n\t#else\n\tuniform float morphTargetInfluences[ 4 ];\n\t#endif\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\t#ifndef USE_MORPHNORMALS\n\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\t#endif\n#endif",normal_fragment_begin:"#ifdef FLAT_SHADED\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t#endif\n\t#ifdef USE_TANGENT\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\ttangent = tangent * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\t\tbitangent = bitangent * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\t#endif\n\t\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\t\t#endif\n\t#endif\n#endif\nvec3 geometryNormal = normal;",normal_fragment_maps:"#ifdef OBJECTSPACE_NORMALMAP\n\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( TANGENTSPACE_NORMALMAP )\n\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\t#ifdef USE_TANGENT\n\t\tnormal = normalize( vTBN * mapN );\n\t#else\n\t\tnormal = perturbNormal2Arb( -vViewPosition, normal, mapN );\n\t#endif\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\n#endif",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef OBJECTSPACE_NORMALMAP\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN ) {\n\t\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\n\t\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tfloat scale = sign( st1.t * st0.s - st0.t * st1.s );\n\t\tvec3 S = normalize( ( q0 * st1.t - q1 * st0.t ) * scale );\n\t\tvec3 T = normalize( ( - q0 * st1.s + q1 * st0.s ) * scale );\n\t\tvec3 N = normalize( surf_norm );\n\t\tmat3 tsn = mat3( S, T, N );\n\t\tmapN.xy *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\treturn normalize( tsn * mapN );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef CLEARCOAT\n\tvec3 clearcoatNormal = geometryNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\t#ifdef USE_TANGENT\n\t\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\n\t#else\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN );\n\t#endif\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif",packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ));\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w);\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn (( near + viewZ ) * far ) / (( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\n}",premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex:"vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment:"#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment:"#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), \n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn shadow;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\tdp += shadowBias;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif",shadowmap_pars_vertex:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",shadowmap_vertex:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n#endif",shadowmask_pars_fragment:"float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",skinbase_vertex:"#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\t#ifdef BONE_TEXTURE\n\t\tuniform highp sampler2D boneTexture;\n\t\tuniform int boneTextureSize;\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\t\tfloat y = floor( j / float( boneTextureSize ) );\n\t\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\t\tfloat dy = 1.0 / float( boneTextureSize );\n\t\t\ty = dy * ( y + 0.5 );\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\t\treturn bone;\n\t\t}\n\t#else\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\t\t}\n\t#endif\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",tonemapping_pars_fragment:"#ifndef saturate\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nuniform float toneMappingWhitePoint;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\nvec3 Uncharted2ToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( ( color * ( 2.51 * color + 0.03 ) ) / ( color * ( 2.43 * color + 0.59 ) + 0.14 ) );\n}",uv_pars_fragment:"#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\n\tvarying vec2 vUv;\n#endif",uv_pars_vertex:"#ifdef USE_UV\n\t#ifdef UVS_VERTEX_ONLY\n\t\tvec2 vUv;\n\t#else\n\t\tvarying vec2 vUv;\n\t#endif\n\tuniform mat3 uvTransform;\n#endif",uv_vertex:"#ifdef USE_UV\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n#endif",uv2_pars_fragment:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif",uv2_pars_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n\tuniform mat3 uv2Transform;\n#endif",uv2_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP )\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",background_frag:"uniform sampler2D t2D;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\t#include \n\t#include \n}",background_vert:"varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",cube_frag:"#include \nuniform float opacity;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvec3 vReflect = vWorldDirection;\n\t#include \n\tgl_FragColor = envColor;\n\tgl_FragColor.a *= opacity;\n\t#include \n\t#include \n}",cube_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#endif\n}",depth_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvHighPrecisionZW = gl_Position.zw;\n}",distanceRGBA_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main () {\n\t#include \n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#include \n\t#include \n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}",distanceRGBA_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvWorldPosition = worldPosition.xyz;\n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tvec4 texColor = texture2D( tEquirect, sampleUV );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\t#include \n\t#include \n}",equirect_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\treflectedLight.indirectDiffuse += lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_ENVMAP\n\t#include \n\t#include \n\t#include \n\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_frag:"uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\n\t#else\n\t\treflectedLight.indirectDiffuse += vIndirectFront;\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\t#else\n\t\treflectedLight.directDiffuse = vLightFront;\n\t#endif\n\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t\tmatcapColor = matcapTexelToLinear( matcapColor );\n\t#else\n\t\tvec4 matcapColor = vec4( 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifndef FLAT_SHADED\n\t\tvNormal = normalize( transformedNormal );\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define REFLECTIVITY\n\t#define CLEARCOAT\n\t#define TRANSPARENCY\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef TRANSPARENCY\n\tuniform float transparency;\n#endif\n#ifdef REFLECTIVITY\n\tuniform float reflectivity;\n#endif\n#ifdef CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheen;\n#endif\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#ifdef TRANSPARENCY\n\t\tdiffuseColor.a *= saturate( 1. - transparency + linearToRelativeLuminance( reflectedLight.directSpecular + reflectedLight.indirectSpecular ) );\n\t#endif\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}",normal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n}",normal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}",points_vert:"uniform float size;\nuniform float scale;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include \n\t#include \n\t#include \n}",shadow_vert:"#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",sprite_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include \n\t#include \n\t#include \n}"},vn={basic:{uniforms:$t([un.common,un.specularmap,un.envmap,un.aomap,un.lightmap,un.fog]),vertexShader:gn.meshbasic_vert,fragmentShader:gn.meshbasic_frag},lambert:{uniforms:$t([un.common,un.specularmap,un.envmap,un.aomap,un.lightmap,un.emissivemap,un.fog,un.lights,{emissive:{value:new Ke(0)}}]),vertexShader:gn.meshlambert_vert,fragmentShader:gn.meshlambert_frag},phong:{uniforms:$t([un.common,un.specularmap,un.envmap,un.aomap,un.lightmap,un.emissivemap,un.bumpmap,un.normalmap,un.displacementmap,un.fog,un.lights,{emissive:{value:new Ke(0)},specular:{value:new Ke(1118481)},shininess:{value:30}}]),vertexShader:gn.meshphong_vert,fragmentShader:gn.meshphong_frag},standard:{uniforms:$t([un.common,un.envmap,un.aomap,un.lightmap,un.emissivemap,un.bumpmap,un.normalmap,un.displacementmap,un.roughnessmap,un.metalnessmap,un.fog,un.lights,{emissive:{value:new Ke(0)},roughness:{value:1},metalness:{value:0},envMapIntensity:{value:1}}]),vertexShader:gn.meshphysical_vert,fragmentShader:gn.meshphysical_frag},toon:{uniforms:$t([un.common,un.specularmap,un.aomap,un.lightmap,un.emissivemap,un.bumpmap,un.normalmap,un.displacementmap,un.gradientmap,un.fog,un.lights,{emissive:{value:new Ke(0)},specular:{value:new Ke(1118481)},shininess:{value:30}}]),vertexShader:gn.meshtoon_vert,fragmentShader:gn.meshtoon_frag},matcap:{uniforms:$t([un.common,un.bumpmap,un.normalmap,un.displacementmap,un.fog,{matcap:{value:null}}]),vertexShader:gn.meshmatcap_vert,fragmentShader:gn.meshmatcap_frag},points:{uniforms:$t([un.points,un.fog]),vertexShader:gn.points_vert,fragmentShader:gn.points_frag},dashed:{uniforms:$t([un.common,un.fog,{scale:{value:1},dashSize:{value:1},totalSize:{value:2}}]),vertexShader:gn.linedashed_vert,fragmentShader:gn.linedashed_frag},depth:{uniforms:$t([un.common,un.displacementmap]),vertexShader:gn.depth_vert,fragmentShader:gn.depth_frag},normal:{uniforms:$t([un.common,un.bumpmap,un.normalmap,un.displacementmap,{opacity:{value:1}}]),vertexShader:gn.normal_vert,fragmentShader:gn.normal_frag},sprite:{uniforms:$t([un.sprite,un.fog]),vertexShader:gn.sprite_vert,fragmentShader:gn.sprite_frag},background:{uniforms:{uvTransform:{value:new S},t2D:{value:null}},vertexShader:gn.background_vert,fragmentShader:gn.background_frag},cube:{uniforms:$t([un.envmap,{opacity:{value:1}}]),vertexShader:gn.cube_vert,fragmentShader:gn.cube_frag},equirect:{uniforms:{tEquirect:{value:null}},vertexShader:gn.equirect_vert,fragmentShader:gn.equirect_frag},distanceRGBA:{uniforms:$t([un.common,un.displacementmap,{referencePosition:{value:new D},nearDistance:{value:1},farDistance:{value:1e3}}]),vertexShader:gn.distanceRGBA_vert,fragmentShader:gn.distanceRGBA_frag},shadow:{uniforms:$t([un.lights,un.fog,{color:{value:new Ke(0)},opacity:{value:1}}]),vertexShader:gn.shadow_vert,fragmentShader:gn.shadow_frag}};function yn(e,t,n,i){var r,a,o=new Ke(0),s=0,l=null,c=0,h=null;function u(e,n){t.buffers.color.setClear(e.r,e.g,e.b,n,i)}return{getClearColor:function(){return o},setClearColor:function(e,t){o.set(e),u(o,s=void 0!==t?t:1)},getClearAlpha:function(){return s},setClearAlpha:function(e){u(o,s=e)},render:function(t,i,p,d){var f=i.background,m=e.xr,g=m.getSession&&m.getSession();if(g&&"additive"===g.environmentBlendMode&&(f=null),null===f?u(o,s):f&&f.isColor&&(u(f,1),d=!0),(e.autoClear||d)&&e.clear(e.autoClearColor,e.autoClearDepth,e.autoClearStencil),f&&(f.isCubeTexture||f.isWebGLCubeRenderTarget||306===f.mapping)){void 0===a&&((a=new Vt(new Kt(1,1,1),new tn({type:"BackgroundCubeMaterial",uniforms:Qt(vn.cube.uniforms),vertexShader:vn.cube.vertexShader,fragmentShader:vn.cube.fragmentShader,side:1,depthTest:!1,depthWrite:!1,fog:!1}))).geometry.deleteAttribute("normal"),a.geometry.deleteAttribute("uv"),a.onBeforeRender=function(e,t,n){this.matrixWorld.copyPosition(n.matrixWorld)},Object.defineProperty(a.material,"envMap",{get:function(){return this.uniforms.envMap.value}}),n.update(a));var 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_,M,S=r+u,T=Ai(l,35633,i+h),E=Ai(l,35632,S);if(l.attachShader(x,T),l.attachShader(x,E),void 0!==n.index0AttributeName?l.bindAttribLocation(x,0,n.index0AttributeName):!0===n.morphTargets&&l.bindAttribLocation(x,0,"position"),l.linkProgram(x),e.debug.checkShaderErrors){var A=l.getProgramInfoLog(x).trim(),L=l.getShaderInfoLog(T).trim(),R=l.getShaderInfoLog(E).trim(),P=!0,C=!0;if(!1===l.getProgramParameter(x,35714)){P=!1;var O=Pi(l,T,"vertex"),I=Pi(l,E,"fragment");console.error("THREE.WebGLProgram: shader error: ",l.getError(),"35715",l.getProgramParameter(x,35715),"gl.getProgramInfoLog",A,O,I)}else""!==A?console.warn("THREE.WebGLProgram: gl.getProgramInfoLog()",A):""!==L&&""!==R||(C=!1);C&&(this.diagnostics={runnable:P,programLog:A,vertexShader:{log:L,prefix:i},fragmentShader:{log:R,prefix:r}})}return l.deleteShader(T),l.deleteShader(E),this.getUniforms=function(){return void 0===_&&(_=new Ei(l,x)),_},this.getAttributes=function(){return void 0===M&&(M=function(e,t){for(var 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0!==i.depthPacking&&i.depthPacking,index0AttributeName:i.index0AttributeName,extensionDerivatives:i.extensions&&i.extensions.derivatives,extensionFragDepth:i.extensions&&i.extensions.fragDepth,extensionDrawBuffers:i.extensions&&i.extensions.drawBuffers,extensionShaderTextureLOD:i.extensions&&i.extensions.shaderTextureLOD,rendererExtensionFragDepth:r||null!==t.get("EXT_frag_depth"),rendererExtensionDrawBuffers:r||null!==t.get("WEBGL_draw_buffers"),rendererExtensionShaderTextureLod:r||null!==t.get("EXT_shader_texture_lod"),onBeforeCompile:i.onBeforeCompile}},this.getProgramCacheKey=function(t){var n=[];if(t.shaderID?n.push(t.shaderID):(n.push(t.fragmentShader),n.push(t.vertexShader)),void 0!==t.defines)for(var i in t.defines)n.push(i),n.push(t.defines[i]);if(void 0===t.isRawShaderMaterial){for(var r=0;r1&&n.sort(e||Yi),i.length>1&&i.sort(t||Ji)}}}function Ki(){var e=new WeakMap;function t(n){var i=n.target;i.removeEventListener("dispose",t),e.delete(i)}return{get:function(n,i){var 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M=e[p],S=M.color,T=M.intensity,E=M.distance,A=M.shadow&&M.shadow.map?M.shadow.map.texture:null;if(M.isAmbientLight)c+=S.r*T,h+=S.g*T,u+=S.b*T;else if(M.isLightProbe)for(var L=0;L<9;L++)i.probe[L].addScaledVector(M.sh.coefficients[L],T);else if(M.isDirectionalLight){if((C=t.get(M)).color.copy(M.color).multiplyScalar(M.intensity),C.direction.setFromMatrixPosition(M.matrixWorld),a.setFromMatrixPosition(M.target.matrixWorld),C.direction.sub(a),C.direction.transformDirection(w),M.castShadow){var R=M.shadow;(P=n.get(M)).shadowBias=R.bias,P.shadowRadius=R.radius,P.shadowMapSize=R.mapSize,i.directionalShadow[d]=P,i.directionalShadowMap[d]=A,i.directionalShadowMatrix[d]=M.shadow.matrix,y++}i.directional[d]=C,d++}else if(M.isSpotLight){if((C=t.get(M)).position.setFromMatrixPosition(M.matrixWorld),C.position.applyMatrix4(w),C.color.copy(S).multiplyScalar(T),C.distance=E,C.direction.setFromMatrixPosition(M.matrixWorld),a.setFromMatrixPosition(M.target.matrixWorld),C.direction.sub(a),C.direction.transformDirection(w),C.coneCos=Math.cos(M.angle),C.penumbraCos=Math.cos(M.angle*(1-M.penumbra)),C.decay=M.decay,M.castShadow){R=M.shadow;(P=n.get(M)).shadowBias=R.bias,P.shadowRadius=R.radius,P.shadowMapSize=R.mapSize,i.spotShadow[m]=P,i.spotShadowMap[m]=A,i.spotShadowMatrix[m]=M.shadow.matrix,b++}i.spot[m]=C,m++}else if(M.isRectAreaLight){(C=t.get(M)).color.copy(S).multiplyScalar(T),C.position.setFromMatrixPosition(M.matrixWorld),C.position.applyMatrix4(w),s.identity(),o.copy(M.matrixWorld),o.premultiply(w),s.extractRotation(o),C.halfWidth.set(.5*M.width,0,0),C.halfHeight.set(0,.5*M.height,0),C.halfWidth.applyMatrix4(s),C.halfHeight.applyMatrix4(s),i.rectArea[g]=C,g++}else if(M.isPointLight){if((C=t.get(M)).position.setFromMatrixPosition(M.matrixWorld),C.position.applyMatrix4(w),C.color.copy(M.color).multiplyScalar(M.intensity),C.distance=M.distance,C.decay=M.decay,M.castShadow){var P;R=M.shadow;(P=n.get(M)).shadowBias=R.bias,P.shadowRadius=R.radius,P.shadowMapSize=R.mapSize,P.shadowCameraNear=R.camera.near,P.shadowCameraFar=R.camera.far,i.pointShadow[f]=P,i.pointShadowMap[f]=A,i.pointShadowMatrix[f]=M.shadow.matrix,x++}i.point[f]=C,f++}else if(M.isHemisphereLight){var C;(C=t.get(M)).direction.setFromMatrixPosition(M.matrixWorld),C.direction.transformDirection(w),C.direction.normalize(),C.skyColor.copy(M.color).multiplyScalar(T),C.groundColor.copy(M.groundColor).multiplyScalar(T),i.hemi[v]=C,v++}}i.ambient[0]=c,i.ambient[1]=h,i.ambient[2]=u;var O=i.hash;O.directionalLength===d&&O.pointLength===f&&O.spotLength===m&&O.rectAreaLength===g&&O.hemiLength===v&&O.numDirectionalShadows===y&&O.numPointShadows===x&&O.numSpotShadows===b||(i.directional.length=d,i.spot.length=m,i.rectArea.length=g,i.point.length=f,i.hemi.length=v,i.directionalShadow.length=y,i.directionalShadowMap.length=y,i.pointShadow.length=x,i.pointShadowMap.length=x,i.spotShadow.length=b,i.spotShadowMap.length=b,i.directionalShadowMatrix.length=y,i.pointShadowMatrix.length=x,i.spotShadowMatrix.length=b,O.directionalLength=d,O.pointLength=f,O.spotLength=m,O.rectAreaLength=g,O.hemiLength=v,O.numDirectionalShadows=y,O.numPointShadows=x,O.numSpotShadows=b,i.version=$i++)},state:i}}function nr(){var e=new tr,t=[],n=[];return{init:function(){t.length=0,n.length=0},state:{lightsArray:t,shadowsArray:n,lights:e},setupLights:function(i){e.setup(t,n,i)},pushLight:function(e){t.push(e)},pushShadow:function(e){n.push(e)}}}function ir(){var e=new WeakMap;function t(n){var i=n.target;i.removeEventListener("dispose",t),e.delete(i)}return{get:function(n,i){var r;return!1===e.has(n)?(r=new nr,e.set(n,new WeakMap),e.get(n).set(i,r),n.addEventListener("dispose",t)):!1===e.get(n).has(i)?(r=new nr,e.get(n).set(i,r)):r=e.get(n).get(i),r},dispose:function(){e=new WeakMap}}}function rr(e){it.call(this),this.type="MeshDepthMaterial",this.depthPacking=3200,this.skinning=!1,this.morphTargets=!1,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.setValues(e)}function ar(e){it.call(this),this.type="MeshDistanceMaterial",this.referencePosition=new D,this.nearDistance=1,this.farDistance=1e3,this.skinning=!1,this.morphTargets=!1,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.fog=!1,this.setValues(e)}rr.prototype=Object.create(it.prototype),rr.prototype.constructor=rr,rr.prototype.isMeshDepthMaterial=!0,rr.prototype.copy=function(e){return it.prototype.copy.call(this,e),this.depthPacking=e.depthPacking,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this},ar.prototype=Object.create(it.prototype),ar.prototype.constructor=ar,ar.prototype.isMeshDistanceMaterial=!0,ar.prototype.copy=function(e){return it.prototype.copy.call(this,e),this.referencePosition.copy(e.referencePosition),this.nearDistance=e.nearDistance,this.farDistance=e.farDistance,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this};function or(e,t,n){var i=new hn,r=new M,a=new M,o=new L,s=[],l=[],c={},h={0:1,1:0,2:2},u=new tn({defines:{SAMPLE_RATE:2/8,HALF_SAMPLE_RATE:1/8},uniforms:{shadow_pass:{value:null},resolution:{value:new M},radius:{value:4}},vertexShader:"void main() {\n\tgl_Position = vec4( position, 1.0 );\n}",fragmentShader:"uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include \nvoid main() {\n float mean = 0.0;\n float squared_mean = 0.0;\n\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy ) / resolution ) );\n for ( float i = -1.0; i < 1.0 ; i += SAMPLE_RATE) {\n #ifdef HORIZONAL_PASS\n vec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( i, 0.0 ) * radius ) / resolution ) );\n mean += distribution.x;\n squared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n #else\n float depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, i ) * radius ) / resolution ) );\n mean += depth;\n squared_mean += depth * depth;\n #endif\n }\n mean = mean * HALF_SAMPLE_RATE;\n squared_mean = squared_mean * HALF_SAMPLE_RATE;\n float std_dev = sqrt( squared_mean - mean * mean );\n gl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}"}),p=u.clone();p.defines.HORIZONAL_PASS=1;var d=new Tt;d.setAttribute("position",new ot(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));var f=new Vt(d,u),m=this;function g(n,i){var r=t.update(f);u.uniforms.shadow_pass.value=n.map.texture,u.uniforms.resolution.value=n.mapSize,u.uniforms.radius.value=n.radius,e.setRenderTarget(n.mapPass),e.clear(),e.renderBufferDirect(i,null,r,u,f,null),p.uniforms.shadow_pass.value=n.mapPass.texture,p.uniforms.resolution.value=n.mapSize,p.uniforms.radius.value=n.radius,e.setRenderTarget(n.map),e.clear(),e.renderBufferDirect(i,null,r,p,f,null)}function v(e,t,n){var i=e<<0|t<<1|n<<2,r=s[i];return void 0===r&&(r=new rr({depthPacking:3201,morphTargets:e,skinning:t}),s[i]=r),r}function y(e,t,n){var i=e<<0|t<<1|n<<2,r=l[i];return void 0===r&&(r=new ar({morphTargets:e,skinning:t}),l[i]=r),r}function x(t,n,i,r,a,o,s){var l=null,u=v,p=t.customDepthMaterial;if(!0===r.isPointLight&&(u=y,p=t.customDistanceMaterial),void 0===p){var d=!1;!0===i.morphTargets&&(d=n.morphAttributes&&n.morphAttributes.position&&n.morphAttributes.position.length>0);var f=!1;!0===t.isSkinnedMesh&&(!0===i.skinning?f=!0:console.warn("THREE.WebGLShadowMap: THREE.SkinnedMesh with material.skinning set to false:",t)),l=u(d,f,!0===t.isInstancedMesh)}else l=p;if(e.localClippingEnabled&&!0===i.clipShadows&&0!==i.clippingPlanes.length){var m=l.uuid,g=i.uuid,x=c[m];void 0===x&&(x={},c[m]=x);var b=x[g];void 0===b&&(b=l.clone(),x[g]=b),l=b}return l.visible=i.visible,l.wireframe=i.wireframe,l.side=3===s?null!==i.shadowSide?i.shadowSide:i.side:null!==i.shadowSide?i.shadowSide:h[i.side],l.clipShadows=i.clipShadows,l.clippingPlanes=i.clippingPlanes,l.clipIntersection=i.clipIntersection,l.wireframeLinewidth=i.wireframeLinewidth,l.linewidth=i.linewidth,!0===r.isPointLight&&!0===l.isMeshDistanceMaterial&&(l.referencePosition.setFromMatrixPosition(r.matrixWorld),l.nearDistance=a,l.farDistance=o),l}function b(n,r,a,o,s){if(!1!==n.visible){if(n.layers.test(r.layers)&&(n.isMesh||n.isLine||n.isPoints)&&(n.castShadow||n.receiveShadow&&3===s)&&(!n.frustumCulled||i.intersectsObject(n))){n.modelViewMatrix.multiplyMatrices(a.matrixWorldInverse,n.matrixWorld);var l=t.update(n),c=n.material;if(Array.isArray(c))for(var h=l.groups,u=0,p=h.length;un||r.y>n)&&(r.x>n&&(a.x=Math.floor(n/x.x),r.x=a.x*x.x,y.mapSize.x=a.x),r.y>n&&(a.y=Math.floor(n/x.y),r.y=a.y*x.y,y.mapSize.y=a.y)),null===y.map&&!y.isPointLightShadow&&3===this.type){var w={minFilter:1006,magFilter:1006,format:1023};y.map=new R(r.x,r.y,w),y.map.texture.name=v.name+".shadowMap",y.mapPass=new R(r.x,r.y,w),y.camera.updateProjectionMatrix()}if(null===y.map){w={minFilter:1003,magFilter:1003,format:1023};y.map=new R(r.x,r.y,w),y.map.texture.name=v.name+".shadowMap",y.camera.updateProjectionMatrix()}e.setRenderTarget(y.map),e.clear();for(var _=y.getViewportCount(),M=0;M<_;M++){var S=y.getViewport(M);o.set(a.x*S.x,a.y*S.y,a.x*S.z,a.y*S.w),p.viewport(o),y.updateMatrices(v,M),i=y.getFrustum(),b(s,l,y.camera,v,this.type)}y.isPointLightShadow||3!==this.type||g(y,l)}else console.warn("THREE.WebGLShadowMap:",v,"has no shadow.")}m.needsUpdate=!1,e.setRenderTarget(c,h,u)}}}function sr(e,t,n){var i=n.isWebGL2;var r=new function(){var t=!1,n=new L,i=null,r=new L(0,0,0,0);return{setMask:function(n){i===n||t||(e.colorMask(n,n,n,n),i=n)},setLocked:function(e){t=e},setClear:function(t,i,a,o,s){!0===s&&(t*=o,i*=o,a*=o),n.set(t,i,a,o),!1===r.equals(n)&&(e.clearColor(t,i,a,o),r.copy(n))},reset:function(){t=!1,i=null,r.set(-1,0,0,0)}}},a=new function(){var t=!1,n=null,i=null,r=null;return{setTest:function(e){e?B(2929):H(2929)},setMask:function(i){n===i||t||(e.depthMask(i),n=i)},setFunc:function(t){if(i!==t){if(t)switch(t){case 0:e.depthFunc(512);break;case 1:e.depthFunc(519);break;case 2:e.depthFunc(513);break;case 3:e.depthFunc(515);break;case 4:e.depthFunc(514);break;case 5:e.depthFunc(518);break;case 6:e.depthFunc(516);break;case 7:e.depthFunc(517);break;default:e.depthFunc(515)}else e.depthFunc(515);i=t}},setLocked:function(e){t=e},setClear:function(t){r!==t&&(e.clearDepth(t),r=t)},reset:function(){t=!1,n=null,i=null,r=null}}},o=new function(){var t=!1,n=null,i=null,r=null,a=null,o=null,s=null,l=null,c=null;return{setTest:function(e){t||(e?B(2960):H(2960))},setMask:function(i){n===i||t||(e.stencilMask(i),n=i)},setFunc:function(t,n,o){i===t&&r===n&&a===o||(e.stencilFunc(t,n,o),i=t,r=n,a=o)},setOp:function(t,n,i){o===t&&s===n&&l===i||(e.stencilOp(t,n,i),o=t,s=n,l=i)},setLocked:function(e){t=e},setClear:function(t){c!==t&&(e.clearStencil(t),c=t)},reset:function(){t=!1,n=null,i=null,r=null,a=null,o=null,s=null,l=null,c=null}}},s=e.getParameter(34921),l=new Uint8Array(s),c=new Uint8Array(s),h=new Uint8Array(s),u={},p=null,d=null,f=null,m=null,g=null,v=null,y=null,x=null,b=null,w=!1,_=null,M=null,S=null,T=null,E=null,A=e.getParameter(35661),R=!1,P=0,C=e.getParameter(7938);-1!==C.indexOf("WebGL")?(P=parseFloat(/^WebGL\ ([0-9])/.exec(C)[1]),R=P>=1):-1!==C.indexOf("OpenGL ES")&&(P=parseFloat(/^OpenGL\ ES\ ([0-9])/.exec(C)[1]),R=P>=2);var O=null,I={},D=new L,N=new L;function z(t,n,i){var r=new Uint8Array(4),a=e.createTexture();e.bindTexture(t,a),e.texParameteri(t,10241,9728),e.texParameteri(t,10240,9728);for(var o=0;oi||e.height>i)&&(r=i/Math.max(e.width,e.height)),r<1||!0===t){if("undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap){var a=t?_.floorPowerOfTwo:Math.floor,o=a(r*e.width),l=a(r*e.height);void 0===s&&(s=m(o,l));var c=n?m(o,l):s;return c.width=o,c.height=l,c.getContext("2d").drawImage(e,0,0,o,l),console.warn("THREE.WebGLRenderer: Texture has been resized from ("+e.width+"x"+e.height+") to ("+o+"x"+l+")."),c}return"data"in e&&console.warn("THREE.WebGLRenderer: Image in DataTexture is too big ("+e.width+"x"+e.height+")."),e}return e}function v(e){return _.isPowerOfTwo(e.width)&&_.isPowerOfTwo(e.height)}function y(e,t){return e.generateMipmaps&&t&&1003!==e.minFilter&&1006!==e.minFilter}function x(t,n,r,a){e.generateMipmap(t),i.get(n).__maxMipLevel=Math.log(Math.max(r,a))*Math.LOG2E}function b(n,i,r){if(!1===l)return i;if(null!==n){if(void 0!==e[n])return e[n];console.warn("THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format '"+n+"'")}var a=i;return 6403===i&&(5126===r&&(a=33326),5131===r&&(a=33325),5121===r&&(a=33321)),6407===i&&(5126===r&&(a=34837),5131===r&&(a=34843),5121===r&&(a=32849)),6408===i&&(5126===r&&(a=34836),5131===r&&(a=34842),5121===r&&(a=32856)),33325!==a&&33326!==a&&34842!==a&&34836!==a||t.get("EXT_color_buffer_float"),a}function w(e){return 1003===e||1004===e||1005===e?9728:9729}function M(t){var n=t.target;n.removeEventListener("dispose",M),function(t){var n=i.get(t);if(void 0===n.__webglInit)return;e.deleteTexture(n.__webglTexture),i.remove(t)}(n),n.isVideoTexture&&d.delete(n),o.memory.textures--}function S(t){var n=t.target;n.removeEventListener("dispose",S),function(t){var n=i.get(t),r=i.get(t.texture);if(!t)return;void 0!==r.__webglTexture&&e.deleteTexture(r.__webglTexture);t.depthTexture&&t.depthTexture.dispose();if(t.isWebGLCubeRenderTarget)for(var a=0;a<6;a++)e.deleteFramebuffer(n.__webglFramebuffer[a]),n.__webglDepthbuffer&&e.deleteRenderbuffer(n.__webglDepthbuffer[a]);else e.deleteFramebuffer(n.__webglFramebuffer),n.__webglDepthbuffer&&e.deleteRenderbuffer(n.__webglDepthbuffer),n.__webglMultisampledFramebuffer&&e.deleteFramebuffer(n.__webglMultisampledFramebuffer),n.__webglColorRenderbuffer&&e.deleteRenderbuffer(n.__webglColorRenderbuffer),n.__webglDepthRenderbuffer&&e.deleteRenderbuffer(n.__webglDepthRenderbuffer);i.remove(t.texture),i.remove(t)}(n),o.memory.textures--}var T=0;function E(e,t){var r=i.get(e);if(e.isVideoTexture&&function(e){var t=o.render.frame;d.get(e)!==t&&(d.set(e,t),e.update())}(e),e.version>0&&r.__version!==e.version){var a=e.image;if(void 0===a)console.warn("THREE.WebGLRenderer: Texture marked for update but image is undefined");else{if(!1!==a.complete)return void I(r,e,t);console.warn("THREE.WebGLRenderer: Texture marked for update but image is incomplete")}}n.activeTexture(33984+t),n.bindTexture(3553,r.__webglTexture)}function A(t,r){if(6===t.image.length){var o=i.get(t);if(t.version>0&&o.__version!==t.version){O(o,t),n.activeTexture(33984+r),n.bindTexture(34067,o.__webglTexture),e.pixelStorei(37440,t.flipY);for(var s=t&&(t.isCompressedTexture||t.image[0].isCompressedTexture),c=t.image[0]&&t.image[0].isDataTexture,u=[],p=0;p<6;p++)u[p]=s||c?c?t.image[p].image:t.image[p]:g(t.image[p],!1,!0,h);var d,f=u[0],m=v(f)||l,w=a.convert(t.format),_=a.convert(t.type),M=b(t.internalFormat,w,_);if(C(34067,t,m),s){for(p=0;p<6;p++){d=u[p].mipmaps;for(var S=0;S1||i.get(a).__currentAnisotropy)&&(e.texParameterf(n,s.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(a.anisotropy,r.getMaxAnisotropy())),i.get(a).__currentAnisotropy=a.anisotropy)}}function O(t,n){void 0===t.__webglInit&&(t.__webglInit=!0,n.addEventListener("dispose",M),t.__webglTexture=e.createTexture(),o.memory.textures++)}function I(t,i,r){var o=3553;i.isDataTexture2DArray&&(o=35866),i.isDataTexture3D&&(o=32879),O(t,i),n.activeTexture(33984+r),n.bindTexture(o,t.__webglTexture),e.pixelStorei(37440,i.flipY),e.pixelStorei(37441,i.premultiplyAlpha),e.pixelStorei(3317,i.unpackAlignment);var s=function(e){return!l&&(1001!==e.wrapS||1001!==e.wrapT||1003!==e.minFilter&&1006!==e.minFilter)}(i)&&!1===v(i.image),c=g(i.image,s,!1,u),h=v(c)||l,p=a.convert(i.format),d=a.convert(i.type),f=b(i.internalFormat,p,d);C(o,i,h);var m,w=i.mipmaps;if(i.isDepthTexture)f=6402,l?f=1015===i.type?36012:1014===i.type?33190:1020===i.type?35056:33189:1015===i.type&&console.error("WebGLRenderer: Floating point depth texture requires WebGL2."),1026===i.format&&6402===f&&1012!==i.type&&1014!==i.type&&(console.warn("THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture."),i.type=1012,d=a.convert(i.type)),1027===i.format&&6402===f&&(f=34041,1020!==i.type&&(console.warn("THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture."),i.type=1020,d=a.convert(i.type))),n.texImage2D(3553,0,f,c.width,c.height,0,p,d,null);else if(i.isDataTexture)if(w.length>0&&h){for(var _=0,M=w.length;_0&&h){for(_=0,M=w.length;_=c&&console.warn("THREE.WebGLTextures: Trying to use "+e+" texture units while this GPU supports only "+c),T+=1,e},this.resetTextureUnits=function(){T=0},this.setTexture2D=E,this.setTexture2DArray=function(e,t){var r=i.get(e);e.version>0&&r.__version!==e.version?I(r,e,t):(n.activeTexture(33984+t),n.bindTexture(35866,r.__webglTexture))},this.setTexture3D=function(e,t){var r=i.get(e);e.version>0&&r.__version!==e.version?I(r,e,t):(n.activeTexture(33984+t),n.bindTexture(32879,r.__webglTexture))},this.setTextureCube=A,this.setTextureCubeDynamic=L,this.setupRenderTarget=function(t){var r=i.get(t),s=i.get(t.texture);t.addEventListener("dispose",S),s.__webglTexture=e.createTexture(),o.memory.textures++;var c=!0===t.isWebGLCubeRenderTarget,h=!0===t.isWebGLMultisampleRenderTarget,u=v(t)||l;if(!l||1022!==t.texture.format||1015!==t.texture.type&&1016!==t.texture.type||(t.texture.format=1023,console.warn("THREE.WebGLRenderer: Rendering to textures with RGB format is not supported. Using RGBA format instead.")),c){r.__webglFramebuffer=[];for(var p=0;p<6;p++)r.__webglFramebuffer[p]=e.createFramebuffer()}else if(r.__webglFramebuffer=e.createFramebuffer(),h)if(l){r.__webglMultisampledFramebuffer=e.createFramebuffer(),r.__webglColorRenderbuffer=e.createRenderbuffer(),e.bindRenderbuffer(36161,r.__webglColorRenderbuffer);var d=a.convert(t.texture.format),f=a.convert(t.texture.type),m=b(t.texture.internalFormat,d,f),g=U(t);e.renderbufferStorageMultisample(36161,g,m,t.width,t.height),e.bindFramebuffer(36160,r.__webglMultisampledFramebuffer),e.framebufferRenderbuffer(36160,36064,36161,r.__webglColorRenderbuffer),e.bindRenderbuffer(36161,null),t.depthBuffer&&(r.__webglDepthRenderbuffer=e.createRenderbuffer(),N(r.__webglDepthRenderbuffer,t,!0)),e.bindFramebuffer(36160,null)}else console.warn("THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.");if(c){n.bindTexture(34067,s.__webglTexture),C(34067,t.texture,u);for(p=0;p<6;p++)D(r.__webglFramebuffer[p],t,36064,34069+p);y(t.texture,u)&&x(34067,t.texture,t.width,t.height),n.bindTexture(34067,null)}else n.bindTexture(3553,s.__webglTexture),C(3553,t.texture,u),D(r.__webglFramebuffer,t,36064,3553),y(t.texture,u)&&x(3553,t.texture,t.width,t.height),n.bindTexture(3553,null);t.depthBuffer&&z(t)},this.updateRenderTargetMipmap=function(e){var t=e.texture;if(y(t,v(e)||l)){var r=e.isWebGLCubeRenderTarget?34067:3553,a=i.get(t).__webglTexture;n.bindTexture(r,a),x(r,t,e.width,e.height),n.bindTexture(r,null)}},this.updateMultisampleRenderTarget=function(t){if(t.isWebGLMultisampleRenderTarget)if(l){var n=i.get(t);e.bindFramebuffer(36008,n.__webglMultisampledFramebuffer),e.bindFramebuffer(36009,n.__webglFramebuffer);var r=t.width,a=t.height,o=16384;t.depthBuffer&&(o|=256),t.stencilBuffer&&(o|=1024),e.blitFramebuffer(0,0,r,a,0,0,r,a,o,9728),e.bindFramebuffer(36160,n.__webglMultisampledFramebuffer)}else console.warn("THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.")},this.safeSetTexture2D=function(e,t){e&&e.isWebGLRenderTarget&&(!1===F&&(console.warn("THREE.WebGLTextures.safeSetTexture2D: don't use render targets as textures. Use their .texture property instead."),F=!0),e=e.texture),E(e,t)},this.safeSetTextureCube=function(e,t){e&&e.isWebGLCubeRenderTarget&&(!1===B&&(console.warn("THREE.WebGLTextures.safeSetTextureCube: don't use cube render targets as textures. Use their .texture property instead."),B=!0),e=e.texture),e&&e.isCubeTexture||Array.isArray(e.image)&&6===e.image.length?A(e,t):L(e,t)}}function cr(e,t,n){var i=n.isWebGL2;return{convert:function(e){var n;if(1009===e)return 5121;if(1017===e)return 32819;if(1018===e)return 32820;if(1019===e)return 33635;if(1010===e)return 5120;if(1011===e)return 5122;if(1012===e)return 5123;if(1013===e)return 5124;if(1014===e)return 5125;if(1015===e)return 5126;if(1016===e)return i?5131:null!==(n=t.get("OES_texture_half_float"))?n.HALF_FLOAT_OES:null;if(1021===e)return 6406;if(1022===e)return 6407;if(1023===e)return 6408;if(1024===e)return 6409;if(1025===e)return 6410;if(1026===e)return 6402;if(1027===e)return 34041;if(1028===e)return 6403;if(1029===e)return 36244;if(1030===e)return 33319;if(1031===e)return 33320;if(1032===e)return 36248;if(1033===e)return 36249;if(33776===e||33777===e||33778===e||33779===e){if(null===(n=t.get("WEBGL_compressed_texture_s3tc")))return null;if(33776===e)return n.COMPRESSED_RGB_S3TC_DXT1_EXT;if(33777===e)return n.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(33778===e)return n.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(33779===e)return n.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===e||35841===e||35842===e||35843===e){if(null===(n=t.get("WEBGL_compressed_texture_pvrtc")))return null;if(35840===e)return n.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===e)return n.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===e)return n.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===e)return n.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===e)return null!==(n=t.get("WEBGL_compressed_texture_etc1"))?n.COMPRESSED_RGB_ETC1_WEBGL:null;if((37492===e||37496===e)&&null!==(n=t.get("WEBGL_compressed_texture_etc"))){if(37492===e)return n.COMPRESSED_RGB8_ETC2;if(37496===e)return n.COMPRESSED_RGBA8_ETC2_EAC}return 37808===e||37809===e||37810===e||37811===e||37812===e||37813===e||37814===e||37815===e||37816===e||37817===e||37818===e||37819===e||37820===e||37821===e||37840===e||37841===e||37842===e||37843===e||37844===e||37845===e||37846===e||37847===e||37848===e||37849===e||37850===e||37851===e||37852===e||37853===e?null!==(n=t.get("WEBGL_compressed_texture_astc"))?e:null:36492===e?null!==(n=t.get("EXT_texture_compression_bptc"))?e:null:1020===e?i?34042:null!==(n=t.get("WEBGL_depth_texture"))?n.UNSIGNED_INT_24_8_WEBGL:null:void 0}}}function hr(e){rn.call(this),this.cameras=e||[]}function ur(){oe.call(this),this.type="Group"}function pr(){this._targetRay=null,this._grip=null}function dr(e,t){var n=this,i=null,r=1,a=null,o="local-floor",s=null,l=[],c=new Map,h=new rn;h.layers.enable(1),h.viewport=new L;var u=new rn;u.layers.enable(2),u.viewport=new L;var p=[h,u],d=new hr;d.layers.enable(1),d.layers.enable(2);var f=null,m=null;function g(e){var t=c.get(e.inputSource);t&&t.dispatchEvent({type:e.type})}function v(){c.forEach((function(e,t){e.disconnect(t)})),c.clear(),e.setFramebuffer(null),e.setRenderTarget(e.getRenderTarget()),S.stop(),n.isPresenting=!1,n.dispatchEvent({type:"sessionend"})}function y(e){a=e,S.setContext(i),S.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}function x(e){for(var t=i.inputSources,n=0;n=0){var c=r[s];if(void 0!==c){var h=c.normalized,u=c.itemSize;if(void 0===(M=b.get(c)))continue;var p=M.buffer,v=M.type,y=M.bytesPerElement;if(c.isInterleavedBufferAttribute){var x=c.data,w=x.stride,_=c.offset;x&&x.isInstancedInterleavedBuffer?(g.enableAttributeAndDivisor(l,x.meshPerAttribute),void 0===t._maxInstanceCount&&(t._maxInstanceCount=x.meshPerAttribute*x.count)):g.enableAttribute(l),d.bindBuffer(34962,p),g.vertexAttribPointer(l,u,v,h,w*y,_*y)}else c.isInstancedBufferAttribute?(g.enableAttributeAndDivisor(l,c.meshPerAttribute),void 0===t._maxInstanceCount&&(t._maxInstanceCount=c.meshPerAttribute*c.count)):g.enableAttribute(l),d.bindBuffer(34962,p),g.vertexAttribPointer(l,u,v,h,0,0)}else if("instanceMatrix"===s){var M;if(void 0===(M=b.get(e.instanceMatrix)))continue;p=M.buffer,v=M.type;g.enableAttributeAndDivisor(l+0,1),g.enableAttributeAndDivisor(l+1,1),g.enableAttributeAndDivisor(l+2,1),g.enableAttributeAndDivisor(l+3,1),d.bindBuffer(34962,p),d.vertexAttribPointer(l+0,4,v,!1,64,0),d.vertexAttribPointer(l+1,4,v,!1,64,16),d.vertexAttribPointer(l+2,4,v,!1,64,32),d.vertexAttribPointer(l+3,4,v,!1,64,48)}else if(void 0!==o){var S=o[s];if(void 0!==S)switch(S.length){case 2:d.vertexAttrib2fv(l,S);break;case 3:d.vertexAttrib3fv(l,S);break;case 4:d.vertexAttrib4fv(l,S);break;default:d.vertexAttrib1fv(l,S)}}}}g.disableUnusedAttributes()}(r,n,i,s),null!==c&&d.bindBuffer(34963,u.buffer));var y=null!==c?c.count:h.count,x=n.drawRange.start*p,_=n.drawRange.count*p,M=null!==a?a.start*p:0,S=null!==a?a.count*p:1/0,T=Math.max(x,M),E=Math.min(y,x+_,M+S)-1,A=Math.max(0,E-T+1);if(0!==A){if(r.isMesh)!0===i.wireframe?(g.setLineWidth(i.wireframeLinewidth*pe()),v.setMode(1)):v.setMode(4);else if(r.isLine){var L=i.linewidth;void 0===L&&(L=1),g.setLineWidth(L*pe()),r.isLineSegments?v.setMode(1):r.isLineLoop?v.setMode(2):v.setMode(3)}else r.isPoints?v.setMode(0):r.isSprite&&v.setMode(4);if(r.isInstancedMesh)v.renderInstances(n,T,A,r.count);else if(n.isInstancedBufferGeometry){var R=Math.min(n.instanceCount,n._maxInstanceCount);v.renderInstances(n,T,A,R)}else v.render(T,A)}},this.compile=function(e,t){(p=R.get(e,t)).init(),e.traverse((function(e){e.isLight&&(p.pushLight(e),e.castShadow&&p.pushShadow(e))})),p.setupLights(t);const n={};e.traverse((function(t){let i=t.material;if(i)if(Array.isArray(i))for(let r=0;r=0&&e.numSupportedMorphTargets++}if(e.morphNormals){e.numSupportedMorphNormals=0;for(d=0;d=0&&e.numSupportedMorphNormals++}var f=i.uniforms;(e.isShaderMaterial||e.isRawShaderMaterial)&&!0!==e.clipping||(i.numClippingPlanes=oe.numPlanes,i.numIntersection=oe.numIntersection,f.clippingPlanes=oe.uniform),i.environment=e.isMeshStandardMaterial?t.environment:null,i.fog=t.fog,i.needsLights=function(e){return e.isMeshLambertMaterial||e.isMeshToonMaterial||e.isMeshPhongMaterial||e.isMeshStandardMaterial||e.isShadowMaterial||e.isShaderMaterial&&!0===e.lights}(e),i.lightsStateVersion=o,i.needsLights&&(f.ambientLightColor.value=r.state.ambient,f.lightProbe.value=r.state.probe,f.directionalLights.value=r.state.directional,f.directionalLightShadows.value=r.state.directionalShadow,f.spotLights.value=r.state.spot,f.spotLightShadows.value=r.state.spotShadow,f.rectAreaLights.value=r.state.rectArea,f.pointLights.value=r.state.point,f.pointLightShadows.value=r.state.pointShadow,f.hemisphereLights.value=r.state.hemi,f.directionalShadowMap.value=r.state.directionalShadowMap,f.directionalShadowMatrix.value=r.state.directionalShadowMatrix,f.spotShadowMap.value=r.state.spotShadowMap,f.spotShadowMatrix.value=r.state.spotShadowMatrix,f.pointShadowMap.value=r.state.pointShadowMap,f.pointShadowMatrix.value=r.state.pointShadowMatrix);var m=i.program.getUniforms(),g=Ei.seqWithValue(m.seq,f);i.uniformsList=g}function Le(e,t,n,i){x.resetTextureUnits();var r=t.fog,a=n.isMeshStandardMaterial?t.environment:null,o=null===G?z.outputEncoding:G.texture.encoding,s=y.get(n),l=p.state.lights;if(le&&(ce||e!==q)){var c=e===q&&n.id===j;oe.setState(n.clippingPlanes,n.clipIntersection,n.clipShadows,e,s,c)}n.version===s.__version?void 0===s.program||n.fog&&s.fog!==r||s.environment!==a||s.needsLights&&s.lightsStateVersion!==l.state.version?Ae(n,t,i):void 0===s.numClippingPlanes||s.numClippingPlanes===oe.numPlanes&&s.numIntersection===oe.numIntersection?s.outputEncoding!==o&&Ae(n,t,i):Ae(n,t,i):(Ae(n,t,i),s.__version=n.version);var h,u,f=!1,v=!1,b=!1,w=s.program,M=w.getUniforms(),S=s.uniforms;if(g.useProgram(w.program)&&(f=!0,v=!0,b=!0),n.id!==j&&(j=n.id,v=!0),f||q!==e){if(M.setValue(d,"projectionMatrix",e.projectionMatrix),m.logarithmicDepthBuffer&&M.setValue(d,"logDepthBufFC",2/(Math.log(e.far+1)/Math.LN2)),q!==e&&(q=e,v=!0,b=!0),n.isShaderMaterial||n.isMeshPhongMaterial||n.isMeshToonMaterial||n.isMeshStandardMaterial||n.envMap){var T=M.map.cameraPosition;void 0!==T&&T.setValue(d,ue.setFromMatrixPosition(e.matrixWorld))}(n.isMeshPhongMaterial||n.isMeshToonMaterial||n.isMeshLambertMaterial||n.isMeshBasicMaterial||n.isMeshStandardMaterial||n.isShaderMaterial)&&M.setValue(d,"isOrthographic",!0===e.isOrthographicCamera),(n.isMeshPhongMaterial||n.isMeshToonMaterial||n.isMeshLambertMaterial||n.isMeshBasicMaterial||n.isMeshStandardMaterial||n.isShaderMaterial||n.skinning)&&M.setValue(d,"viewMatrix",e.matrixWorldInverse)}if(n.skinning){M.setOptional(d,i,"bindMatrix"),M.setOptional(d,i,"bindMatrixInverse");var A=i.skeleton;if(A){var L=A.bones;if(m.floatVertexTextures){if(void 0===A.boneTexture){var R=Math.sqrt(4*L.length);R=_.ceilPowerOfTwo(R),R=Math.max(R,4);var P=new Float32Array(R*R*4);P.set(A.boneMatrices);var C=new sn(P,R,R,1023,1015);A.boneMatrices=P,A.boneTexture=C,A.boneTextureSize=R}M.setValue(d,"boneTexture",A.boneTexture,x),M.setValue(d,"boneTextureSize",A.boneTextureSize)}else M.setOptional(d,A,"boneMatrices")}}return(v||s.receiveShadow!==i.receiveShadow)&&(s.receiveShadow=i.receiveShadow,M.setValue(d,"receiveShadow",i.receiveShadow)),v&&(M.setValue(d,"toneMappingExposure",z.toneMappingExposure),M.setValue(d,"toneMappingWhitePoint",z.toneMappingWhitePoint),s.needsLights&&(u=b,(h=S).ambientLightColor.needsUpdate=u,h.lightProbe.needsUpdate=u,h.directionalLights.needsUpdate=u,h.directionalLightShadows.needsUpdate=u,h.pointLights.needsUpdate=u,h.pointLightShadows.needsUpdate=u,h.spotLights.needsUpdate=u,h.spotLightShadows.needsUpdate=u,h.rectAreaLights.needsUpdate=u,h.hemisphereLights.needsUpdate=u),r&&n.fog&&E.refreshFogUniforms(S,r),E.refreshMaterialUniforms(S,n,a,$,Q),void 0!==S.ltc_1&&(S.ltc_1.value=un.LTC_1),void 0!==S.ltc_2&&(S.ltc_2.value=un.LTC_2),Ei.upload(d,s.uniformsList,S,x)),n.isShaderMaterial&&!0===n.uniformsNeedUpdate&&(Ei.upload(d,s.uniformsList,S,x),n.uniformsNeedUpdate=!1),n.isSpriteMaterial&&M.setValue(d,"center",i.center),M.setValue(d,"modelViewMatrix",i.modelViewMatrix),M.setValue(d,"normalMatrix",i.normalMatrix),M.setValue(d,"modelMatrix",i.matrixWorld),w}Me.setAnimationLoop((function(e){me.isPresenting||_e&&_e(e)})),"undefined"!=typeof window&&Me.setContext(window),this.setAnimationLoop=function(e){_e=e,me.setAnimationLoop(e),Me.start()},this.render=function(e,t){var n,i;if(void 0!==arguments[2]&&(console.warn("THREE.WebGLRenderer.render(): the renderTarget argument has been removed. Use .setRenderTarget() instead."),n=arguments[2]),void 0!==arguments[3]&&(console.warn("THREE.WebGLRenderer.render(): the forceClear argument has been removed. Use .clear() instead."),i=arguments[3]),t&&t.isCamera){if(!U){W.geometry=null,W.program=null,W.wireframe=!1,j=-1,q=null,!0===e.autoUpdate&&e.updateMatrixWorld(),null===t.parent&&t.updateMatrixWorld(),me.enabled&&me.isPresenting&&(t=me.getCamera(t)),e.onBeforeRender(z,e,t,n||G),(p=R.get(e,t)).init(),he.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),ae.setFromProjectionMatrix(he),ce=this.localClippingEnabled,le=oe.init(this.clippingPlanes,ce,t),(u=A.get(e,t)).init(),Se(e,t,0,z.sortObjects),u.finish(),!0===z.sortObjects&&u.sort(ee,te),le&&oe.beginShadows();var r=p.state.shadowsArray;ge.render(r,e,t),p.setupLights(t),le&&oe.endShadows(),this.info.autoReset&&this.info.reset(),void 0!==n&&this.setRenderTarget(n),P.render(u,e,t,i);var a=u.opaque,o=u.transparent;if(e.overrideMaterial){var s=e.overrideMaterial;a.length&&Te(a,e,t,s),o.length&&Te(o,e,t,s)}else a.length&&Te(a,e,t),o.length&&Te(o,e,t);e.onAfterRender(z,e,t),null!==G&&(x.updateRenderTargetMipmap(G),x.updateMultisampleRenderTarget(G)),g.buffers.depth.setTest(!0),g.buffers.depth.setMask(!0),g.buffers.color.setMask(!0),g.setPolygonOffset(!1),u=null,p=null}}else console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.")},this.setFramebuffer=function(e){F!==e&&null===G&&d.bindFramebuffer(36160,e),F=e},this.getActiveCubeFace=function(){return B},this.getActiveMipmapLevel=function(){return H},this.getRenderTarget=function(){return G},this.setRenderTarget=function(e,t,n){G=e,B=t,H=n,e&&void 0===y.get(e).__webglFramebuffer&&x.setupRenderTarget(e);var i=F,r=!1;if(e){var a=y.get(e).__webglFramebuffer;e.isWebGLCubeRenderTarget?(i=a[t||0],r=!0):i=e.isWebGLMultisampleRenderTarget?y.get(e).__webglMultisampledFramebuffer:a,Y.copy(e.viewport),J.copy(e.scissor),Z=e.scissorTest}else Y.copy(ne).multiplyScalar($).floor(),J.copy(ie).multiplyScalar($).floor(),Z=re;if(V!==i&&(d.bindFramebuffer(36160,i),V=i),g.viewport(Y),g.scissor(J),g.setScissorTest(Z),r){var o=y.get(e.texture);d.framebufferTexture2D(36160,36064,34069+(t||0),o.__webglTexture,n||0)}},this.readRenderTargetPixels=function(e,t,n,i,r,a,o){if(e&&e.isWebGLRenderTarget){var s=y.get(e).__webglFramebuffer;if(e.isWebGLCubeRenderTarget&&void 0!==o&&(s=s[o]),s){var l=!1;s!==V&&(d.bindFramebuffer(36160,s),l=!0);try{var c=e.texture,h=c.format,u=c.type;if(1023!==h&&N.convert(h)!==d.getParameter(35739))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");if(!(1009===u||N.convert(u)===d.getParameter(35738)||1015===u&&(m.isWebGL2||f.get("OES_texture_float")||f.get("WEBGL_color_buffer_float"))||1016===u&&(m.isWebGL2?f.get("EXT_color_buffer_float"):f.get("EXT_color_buffer_half_float"))))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");36053===d.checkFramebufferStatus(36160)?t>=0&&t<=e.width-i&&n>=0&&n<=e.height-r&&d.readPixels(t,n,i,r,N.convert(h),N.convert(u),a):console.error("THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.")}finally{l&&d.bindFramebuffer(36160,V)}}}else console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.")},this.copyFramebufferToTexture=function(e,t,n){void 0===n&&(n=0);var i=Math.pow(2,-n),r=Math.floor(t.image.width*i),a=Math.floor(t.image.height*i),o=N.convert(t.format);x.setTexture2D(t,0),d.copyTexImage2D(3553,n,o,e.x,e.y,r,a,0),g.unbindTexture()},this.copyTextureToTexture=function(e,t,n,i){void 0===i&&(i=0);var r=t.image.width,a=t.image.height,o=N.convert(n.format),s=N.convert(n.type);x.setTexture2D(n,0),t.isDataTexture?d.texSubImage2D(3553,i,e.x,e.y,r,a,o,s,t.image.data):t.isCompressedTexture?d.compressedTexSubImage2D(3553,i,e.x,e.y,t.mipmaps[0].width,t.mipmaps[0].height,o,t.mipmaps[0].data):d.texSubImage2D(3553,i,e.x,e.y,o,s,t.image),0===i&&n.generateMipmaps&&d.generateMipmap(3553),g.unbindTexture()},this.initTexture=function(e){x.setTexture2D(e,0),g.unbindTexture()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}function gr(e,t){this.name="",this.color=new Ke(e),this.density=void 0!==t?t:25e-5}function vr(e,t,n){this.name="",this.color=new Ke(e),this.near=void 0!==t?t:1,this.far=void 0!==n?n:1e3}function yr(e,t){this.array=e,this.stride=t,this.count=void 0!==e?e.length/t:0,this.usage=35044,this.updateRange={offset:0,count:-1},this.version=0}hr.prototype=Object.assign(Object.create(rn.prototype),{constructor:hr,isArrayCamera:!0}),ur.prototype=Object.assign(Object.create(oe.prototype),{constructor:ur,isGroup:!0}),Object.assign(pr.prototype,{constructor:pr,getTargetRaySpace:function(){return null===this._targetRay&&(this._targetRay=new ur,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1),this._targetRay},getGripSpace:function(){return null===this._grip&&(this._grip=new ur,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1),this._grip},dispatchEvent:function(e){return null!==this._targetRay&&this._targetRay.dispatchEvent(e),null!==this._grip&&this._grip.dispatchEvent(e),this},disconnect:function(e){return this.dispatchEvent({type:"disconnected",data:e}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),this},update:function(e,t,n){var i=null,r=null,a=this._targetRay,o=this._grip;return e&&(null!==a&&null!==(i=t.getPose(e.targetRaySpace,n))&&(a.matrix.fromArray(i.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale)),null!==o&&e.gripSpace&&null!==(r=t.getPose(e.gripSpace,n))&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale))),null!==a&&(a.visible=null!==i),null!==o&&(o.visible=null!==r),this}}),Object.assign(dr.prototype,y.prototype),Object.assign(gr.prototype,{isFogExp2:!0,clone:function(){return new gr(this.color,this.density)},toJSON:function(){return{type:"FogExp2",color:this.color.getHex(),density:this.density}}}),Object.assign(vr.prototype,{isFog:!0,clone:function(){return new vr(this.color,this.near,this.far)},toJSON:function(){return{type:"Fog",color:this.color.getHex(),near:this.near,far:this.far}}}),Object.defineProperty(yr.prototype,"needsUpdate",{set:function(e){!0===e&&this.version++}}),Object.assign(yr.prototype,{isInterleavedBuffer:!0,onUploadCallback:function(){},setUsage:function(e){return this.usage=e,this},copy:function(e){return this.array=new e.array.constructor(e.array),this.count=e.count,this.stride=e.stride,this.usage=e.usage,this},copyAt:function(e,t,n){e*=this.stride,n*=t.stride;for(var i=0,r=this.stride;ie.far||t.push({distance:s,point:Mr.clone(),uv:Xe.getUV(Mr,Rr,Pr,Cr,Or,Ir,Dr,new M),face:null,object:this})}},clone:function(){return new this.constructor(this.material).copy(this)},copy:function(e){return oe.prototype.copy.call(this,e),void 0!==e.center&&this.center.copy(e.center),this}});var Ur,Fr,Br,Hr,Gr,kr=new D,Vr=new D;function jr(){oe.call(this),this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]}}),this.autoUpdate=!0}function Wr(e,t){e&&e.isGeometry&&console.error("THREE.SkinnedMesh no longer supports THREE.Geometry. Use THREE.BufferGeometry instead."),Vt.call(this,e,t),this.type="SkinnedMesh",this.bindMode="attached",this.bindMatrix=new k,this.bindMatrixInverse=new k}jr.prototype=Object.assign(Object.create(oe.prototype),{constructor:jr,isLOD:!0,copy:function(e){oe.prototype.copy.call(this,e,!1);for(var t=e.levels,n=0,i=t.length;n0){for(var n=1,i=t.length;n0){kr.setFromMatrixPosition(this.matrixWorld);var n=e.ray.origin.distanceTo(kr);this.getObjectForDistance(n).raycast(e,t)}},update:function(e){var t=this.levels;if(t.length>1){kr.setFromMatrixPosition(e.matrixWorld),Vr.setFromMatrixPosition(this.matrixWorld);var n=kr.distanceTo(Vr)/e.zoom;t[0].object.visible=!0;for(var i=1,r=t.length;i=t[i].distance;i++)t[i-1].object.visible=!1,t[i].object.visible=!0;for(this._currentLevel=i-1;io))h.applyMatrix4(this.matrixWorld),(w=e.ray.origin.distanceTo(h))e.far||t.push({distance:w,point:c.clone().applyMatrix4(this.matrixWorld),index:m,face:null,faceIndex:null,object:this})}else for(m=0,g=d.length/3-1;mo))h.applyMatrix4(this.matrixWorld),(w=e.ray.origin.distanceTo(h))e.far||t.push({distance:w,point:c.clone().applyMatrix4(this.matrixWorld),index:m,face:null,faceIndex:null,object:this})}}else if(n.isGeometry){var x=n.vertices,b=x.length;for(m=0;mo))h.applyMatrix4(this.matrixWorld),(w=e.ray.origin.distanceTo(h))e.far||t.push({distance:w,point:c.clone().applyMatrix4(this.matrixWorld),index:m,face:null,faceIndex:null,object:this})}}}},updateMorphTargets:function(){var e,t,n,i=this.geometry;if(i.isBufferGeometry){var r=i.morphAttributes,a=Object.keys(r);if(a.length>0){var o=r[a[0]];if(void 0!==o)for(this.morphTargetInfluences=[],this.morphTargetDictionary={},e=0,t=o.length;e0&&console.error("THREE.Line.updateMorphTargets() does not support THREE.Geometry. 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ba(e,t,n,i,r,a,o,s,l,c,h,u){A.call(this,null,a,o,s,l,c,i,r,h,u),this.image={width:t,height:n},this.mipmaps=e,this.flipY=!1,this.generateMipmaps=!1}function wa(e,t,n,i,r,a,o,s,l){A.call(this,e,t,n,i,r,a,o,s,l),this.needsUpdate=!0}function _a(e,t,n,i,r,a,o,s,l,c){if(1026!==(c=void 0!==c?c:1026)&&1027!==c)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");void 0===n&&1026===c&&(n=1012),void 0===n&&1027===c&&(n=1020),A.call(this,null,i,r,a,o,s,c,n,l),this.image={width:e,height:t},this.magFilter=void 0!==o?o:1003,this.minFilter=void 0!==s?s:1003,this.flipY=!1,this.generateMipmaps=!1}function Ma(e){Tt.call(this),this.type="WireframeGeometry";var t,n,i,r,a,o,s,l,c,h,u=[],p=[0,0],d={},f=["a","b","c"];if(e&&e.isGeometry){var m=e.faces;for(t=0,i=m.length;t=0?(e(v-c,g,p),d.subVectors(u,p)):(e(v+c,g,p),d.subVectors(p,u)),g-c>=0?(e(v,g-c,p),f.subVectors(u,p)):(e(v,g+c,p),f.subVectors(p,u)),h.crossVectors(d,f).normalize(),s.push(h.x,h.y,h.z),l.push(v,g)}}for(i=0;i.9&&o<.1&&(t<.2&&(a[e+0]+=1),n<.2&&(a[e+2]+=1),i<.2&&(a[e+4]+=1))}}()}(),this.setAttribute("position",new ft(r,3)),this.setAttribute("normal",new ft(r.slice(),3)),this.setAttribute("uv",new ft(a,2)),0===i?this.computeVertexNormals():this.normalizeNormals()}function La(e,t){Zt.call(this),this.type="TetrahedronGeometry",this.parameters={radius:e,detail:t},this.fromBufferGeometry(new Ra(e,t)),this.mergeVertices()}function Ra(e,t){Aa.call(this,[1,1,1,-1,-1,1,-1,1,-1,1,-1,-1],[2,1,0,0,3,2,1,3,0,2,3,1],e,t),this.type="TetrahedronBufferGeometry",this.parameters={radius:e,detail:t}}function Pa(e,t){Zt.call(this),this.type="OctahedronGeometry",this.parameters={radius:e,detail:t},this.fromBufferGeometry(new Ca(e,t)),this.mergeVertices()}function Ca(e,t){Aa.call(this,[1,0,0,-1,0,0,0,1,0,0,-1,0,0,0,1,0,0,-1],[0,2,4,0,4,3,0,3,5,0,5,2,1,2,5,1,5,3,1,3,4,1,4,2],e,t),this.type="OctahedronBufferGeometry",this.parameters={radius:e,detail:t}}function Oa(e,t){Zt.call(this),this.type="IcosahedronGeometry",this.parameters={radius:e,detail:t},this.fromBufferGeometry(new Ia(e,t)),this.mergeVertices()}function Ia(e,t){var n=(1+Math.sqrt(5))/2,i=[-1,n,0,1,n,0,-1,-n,0,1,-n,0,0,-1,n,0,1,n,0,-1,-n,0,1,-n,n,0,-1,n,0,1,-n,0,-1,-n,0,1];Aa.call(this,i,[0,11,5,0,5,1,0,1,7,0,7,10,0,10,11,1,5,9,5,11,4,11,10,2,10,7,6,7,1,8,3,9,4,3,4,2,3,2,6,3,6,8,3,8,9,4,9,5,2,4,11,6,2,10,8,6,7,9,8,1],e,t),this.type="IcosahedronBufferGeometry",this.parameters={radius:e,detail:t}}function Da(e,t){Zt.call(this),this.type="DodecahedronGeometry",this.parameters={radius:e,detail:t},this.fromBufferGeometry(new Na(e,t)),this.mergeVertices()}function Na(e,t){var n=(1+Math.sqrt(5))/2,i=1/n,r=[-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-i,-n,0,-i,n,0,i,-n,0,i,n,-i,-n,0,-i,n,0,i,-n,0,i,n,0,-n,0,-i,n,0,-i,-n,0,i,n,0,i];Aa.call(this,r,[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9],e,t),this.type="DodecahedronBufferGeometry",this.parameters={radius:e,detail:t}}function za(e,t,n,i,r,a){Zt.call(this),this.type="TubeGeometry",this.parameters={path:e,tubularSegments:t,radius:n,radialSegments:i,closed:r},void 0!==a&&console.warn("THREE.TubeGeometry: taper has been removed.");var o=new Ua(e,t,n,i,r);this.tangents=o.tangents,this.normals=o.normals,this.binormals=o.binormals,this.fromBufferGeometry(o),this.mergeVertices()}function 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Use THREE.BufferGeometry instead.")}},clone:function(){return new this.constructor(this.geometry,this.material).copy(this)}}),xa.prototype=Object.assign(Object.create(A.prototype),{constructor:xa,isVideoTexture:!0,update:function(){var 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it.prototype.copy.call(this,e),this.defines={STANDARD:""},this.color.copy(e.color),this.roughness=e.roughness,this.metalness=e.metalness,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.roughnessMap=e.roughnessMap,this.metalnessMap=e.metalnessMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapIntensity=e.envMapIntensity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this.vertexTangents=e.vertexTangents,this},Vo.prototype=Object.create(ko.prototype),Vo.prototype.constructor=Vo,Vo.prototype.isMeshPhysicalMaterial=!0,Vo.prototype.copy=function(e){return 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it.prototype.copy.call(this,e),this.color.copy(e.color),this.specular.copy(e.specular),this.shininess=e.shininess,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this},Wo.prototype=Object.create(it.prototype),Wo.prototype.constructor=Wo,Wo.prototype.isMeshToonMaterial=!0,Wo.prototype.copy=function(e){return it.prototype.copy.call(this,e),this.color.copy(e.color),this.specular.copy(e.specular),this.shininess=e.shininess,this.map=e.map,this.gradientMap=e.gradientMap,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this},qo.prototype=Object.create(it.prototype),qo.prototype.constructor=qo,qo.prototype.isMeshNormalMaterial=!0,qo.prototype.copy=function(e){return it.prototype.copy.call(this,e),this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this},Xo.prototype=Object.create(it.prototype),Xo.prototype.constructor=Xo,Xo.prototype.isMeshLambertMaterial=!0,Xo.prototype.copy=function(e){return it.prototype.copy.call(this,e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this},Yo.prototype=Object.create(it.prototype),Yo.prototype.constructor=Yo,Yo.prototype.isMeshMatcapMaterial=!0,Yo.prototype.copy=function(e){return it.prototype.copy.call(this,e),this.defines={MATCAP:""},this.color.copy(e.color),this.matcap=e.matcap,this.map=e.map,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this},Jo.prototype=Object.create(ta.prototype),Jo.prototype.constructor=Jo,Jo.prototype.isLineDashedMaterial=!0,Jo.prototype.copy=function(e){return ta.prototype.copy.call(this,e),this.scale=e.scale,this.dashSize=e.dashSize,this.gapSize=e.gapSize,this};var Zo=Object.freeze({__proto__:null,ShadowMaterial:Ho,SpriteMaterial:_r,RawShaderMaterial:Go,ShaderMaterial:tn,PointsMaterial:pa,MeshPhysicalMaterial:Vo,MeshStandardMaterial:ko,MeshPhongMaterial:jo,MeshToonMaterial:Wo,MeshNormalMaterial:qo,MeshLambertMaterial:Xo,MeshDepthMaterial:rr,MeshDistanceMaterial:ar,MeshBasicMaterial:rt,MeshMatcapMaterial:Yo,LineDashedMaterial:Jo,LineBasicMaterial:ta,Material:it}),Ko={arraySlice:function(e,t,n){return Ko.isTypedArray(e)?new e.constructor(e.subarray(t,void 0!==n?n:e.length)):e.slice(t,n)},convertArray:function(e,t,n){return!e||!n&&e.constructor===t?e:"number"==typeof t.BYTES_PER_ELEMENT?new t(e):Array.prototype.slice.call(e)},isTypedArray:function(e){return ArrayBuffer.isView(e)&&!(e instanceof DataView)},getKeyframeOrder:function(e){for(var t=e.length,n=new Array(t),i=0;i!==t;++i)n[i]=i;return n.sort((function(t,n){return e[t]-e[n]})),n},sortedArray:function(e,t,n){for(var i=e.length,r=new e.constructor(i),a=0,o=0;o!==i;++a)for(var s=n[a]*t,l=0;l!==t;++l)r[o++]=e[s+l];return r},flattenJSON:function(e,t,n,i){for(var r=1,a=e[0];void 0!==a&&void 0===a[i];)a=e[r++];if(void 0!==a){var o=a[i];if(void 0!==o)if(Array.isArray(o))do{void 0!==(o=a[i])&&(t.push(a.time),n.push.apply(n,o)),a=e[r++]}while(void 0!==a);else if(void 0!==o.toArray)do{void 0!==(o=a[i])&&(t.push(a.time),o.toArray(n,n.length)),a=e[r++]}while(void 0!==a);else do{void 0!==(o=a[i])&&(t.push(a.time),n.push(o)),a=e[r++]}while(void 0!==a)}},subclip:function(e,t,n,i,r){r=r||30;var a=e.clone();a.name=t;for(var o=[],s=0;s=i)){h.push(l.times[p]);for(var f=0;fa.tracks[s].times[0]&&(m=a.tracks[s].times[0]);for(s=0;s=s.times[p]){var d=p*u;h=Ko.arraySlice(s.values,d)}else{var f=s.createInterpolant();f.evaluate(a),h=f.resultBuffer}if("quaternion"===l)new C(h[0],h[1],h[2],h[3]).normalize().conjugate().toArray(h);for(var m=c.times.length,g=0;g=r)break e;var s=t[1];e=(r=t[--n-1]))break t}a=n,n=0}for(;n>>1;et;)--a;if(++a,0!==r||a!==i){r>=a&&(r=(a=Math.max(a,1))-1);var o=this.getValueSize();this.times=Ko.arraySlice(n,r,a),this.values=Ko.arraySlice(this.values,r*o,a*o)}return this},validate:function(){var e=!0,t=this.getValueSize();t-Math.floor(t)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),e=!1);var n=this.times,i=this.values,r=n.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),e=!1);for(var a=null,o=0;o!==r;o++){var s=n[o];if("number"==typeof s&&isNaN(s)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,o,s),e=!1;break}if(null!==a&&a>s){console.error("THREE.KeyframeTrack: Out of order keys.",this,o,s,a),e=!1;break}a=s}if(void 0!==i&&Ko.isTypedArray(i)){o=0;for(var l=i.length;o!==l;++o){var c=i[o];if(isNaN(c)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,o,c),e=!1;break}}}return e},optimize:function(){for(var e=Ko.arraySlice(this.times),t=Ko.arraySlice(this.values),n=this.getValueSize(),i=2302===this.getInterpolation(),r=1,a=e.length-1,o=1;o0){e[r]=e[a];for(f=a*n,m=r*n,p=0;p!==n;++p)t[m+p]=t[f+p];++r}return r!==e.length?(this.times=Ko.arraySlice(e,0,r),this.values=Ko.arraySlice(t,0,r*n)):(this.times=e,this.values=t),this},clone:function(){var e=Ko.arraySlice(this.times,0),t=Ko.arraySlice(this.values,0),n=new(0,this.constructor)(this.name,e,t);return n.createInterpolant=this.createInterpolant,n}}),is.prototype=Object.assign(Object.create(ns.prototype),{constructor:is,ValueTypeName:"bool",ValueBufferType:Array,DefaultInterpolation:2300,InterpolantFactoryMethodLinear:void 0,InterpolantFactoryMethodSmooth:void 0}),rs.prototype=Object.assign(Object.create(ns.prototype),{constructor:rs,ValueTypeName:"color"}),as.prototype=Object.assign(Object.create(ns.prototype),{constructor:as,ValueTypeName:"number"}),os.prototype=Object.assign(Object.create(Qo.prototype),{constructor:os,interpolate_:function(e,t,n,i){for(var r=this.resultBuffer,a=this.sampleValues,o=this.valueSize,s=e*o,l=(n-t)/(i-t),c=s+o;s!==c;s+=4)C.slerpFlat(r,0,a,s-o,a,s,l);return r}}),ss.prototype=Object.assign(Object.create(ns.prototype),{constructor:ss,ValueTypeName:"quaternion",DefaultInterpolation:2301,InterpolantFactoryMethodLinear:function(e){return new os(this.times,this.values,this.getValueSize(),e)},InterpolantFactoryMethodSmooth:void 0}),ls.prototype=Object.assign(Object.create(ns.prototype),{constructor:ls,ValueTypeName:"string",ValueBufferType:Array,DefaultInterpolation:2300,InterpolantFactoryMethodLinear:void 0,InterpolantFactoryMethodSmooth:void 0}),cs.prototype=Object.assign(Object.create(ns.prototype),{constructor:cs,ValueTypeName:"vector"}),Object.assign(hs,{parse:function(e){for(var t=[],n=e.tracks,i=1/(e.fps||1),r=0,a=n.length;r!==a;++r)t.push(us(n[r]).scale(i));return new hs(e.name,e.duration,t,e.blendMode)},toJSON:function(e){for(var t=[],n=e.tracks,i={name:e.name,duration:e.duration,tracks:t,uuid:e.uuid,blendMode:e.blendMode},r=0,a=n.length;r!==a;++r)t.push(ns.toJSON(n[r]));return i},CreateFromMorphTargetSequence:function(e,t,n,i){for(var r=t.length,a=[],o=0;o1){var c=i[u=l[1]];c||(i[u]=c=[]),c.push(s)}}var h=[];for(var u in i)h.push(hs.CreateFromMorphTargetSequence(u,i[u],t,n));return h},parseAnimation:function(e,t){if(!e)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;for(var n=function(e,t,n,i,r){if(0!==n.length){var a=[],o=[];Ko.flattenJSON(n,a,o,i),0!==a.length&&r.push(new e(t,a,o))}},i=[],r=e.name||"default",a=e.length||-1,o=e.fps||30,s=e.blendMode,l=e.hierarchy||[],c=0;c0||0===e.search(/^data\:image\/jpeg/);r.format=i?1022:1023,r.needsUpdate=!0,void 0!==t&&t(r)}),n,i),r}}),Object.assign(Ss.prototype,{getPoint:function(){return console.warn("THREE.Curve: .getPoint() not implemented."),null},getPointAt:function(e,t){var n=this.getUtoTmapping(e);return this.getPoint(n,t)},getPoints:function(e){void 0===e&&(e=5);for(var t=[],n=0;n<=e;n++)t.push(this.getPoint(n/e));return t},getSpacedPoints:function(e){void 0===e&&(e=5);for(var t=[],n=0;n<=e;n++)t.push(this.getPointAt(n/e));return t},getLength:function(){var e=this.getLengths();return e[e.length-1]},getLengths:function(e){if(void 0===e&&(e=this.arcLengthDivisions),this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var t,n,i=[],r=this.getPoint(0),a=0;for(i.push(0),n=1;n<=e;n++)a+=(t=this.getPoint(n/e)).distanceTo(r),i.push(a),r=t;return this.cacheArcLengths=i,i},updateArcLengths:function(){this.needsUpdate=!0,this.getLengths()},getUtoTmapping:function(e,t){var n,i=this.getLengths(),r=0,a=i.length;n=t||e*i[a-1];for(var o,s=0,l=a-1;s<=l;)if((o=i[r=Math.floor(s+(l-s)/2)]-n)<0)s=r+1;else{if(!(o>0)){l=r;break}l=r-1}if(i[r=l]===n)return r/(a-1);var c=i[r];return(r+(n-c)/(i[r+1]-c))/(a-1)},getTangent:function(e,t){var n=e-1e-4,i=e+1e-4;n<0&&(n=0),i>1&&(i=1);var r=this.getPoint(n),a=this.getPoint(i),o=t||(r.isVector2?new M:new D);return o.copy(a).sub(r).normalize(),o},getTangentAt:function(e,t){var n=this.getUtoTmapping(e);return this.getTangent(n,t)},computeFrenetFrames:function(e,t){var n,i,r,a=new D,o=[],s=[],l=[],c=new D,h=new k;for(n=0;n<=e;n++)i=n/e,o[n]=this.getTangentAt(i,new D),o[n].normalize();s[0]=new D,l[0]=new D;var u=Number.MAX_VALUE,p=Math.abs(o[0].x),d=Math.abs(o[0].y),f=Math.abs(o[0].z);for(p<=u&&(u=p,a.set(1,0,0)),d<=u&&(u=d,a.set(0,1,0)),f<=u&&a.set(0,0,1),c.crossVectors(o[0],a).normalize(),s[0].crossVectors(o[0],c),l[0].crossVectors(o[0],s[0]),n=1;n<=e;n++)s[n]=s[n-1].clone(),l[n]=l[n-1].clone(),c.crossVectors(o[n-1],o[n]),c.length()>Number.EPSILON&&(c.normalize(),r=Math.acos(_.clamp(o[n-1].dot(o[n]),-1,1)),s[n].applyMatrix4(h.makeRotationAxis(c,r))),l[n].crossVectors(o[n],s[n]);if(!0===t)for(r=Math.acos(_.clamp(s[0].dot(s[e]),-1,1)),r/=e,o[0].dot(c.crossVectors(s[0],s[e]))>0&&(r=-r),n=1;n<=e;n++)s[n].applyMatrix4(h.makeRotationAxis(o[n],r*n)),l[n].crossVectors(o[n],s[n]);return{tangents:o,normals:s,binormals:l}},clone:function(){return(new this.constructor).copy(this)},copy:function(e){return this.arcLengthDivisions=e.arcLengthDivisions,this},toJSON:function(){var e={metadata:{version:4.5,type:"Curve",generator:"Curve.toJSON"}};return e.arcLengthDivisions=this.arcLengthDivisions,e.type=this.type,e},fromJSON:function(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}}),Ts.prototype=Object.create(Ss.prototype),Ts.prototype.constructor=Ts,Ts.prototype.isEllipseCurve=!0,Ts.prototype.getPoint=function(e,t){for(var n=t||new M,i=2*Math.PI,r=this.aEndAngle-this.aStartAngle,a=Math.abs(r)i;)r-=i;r0?0:(Math.floor(Math.abs(h)/l)+1)*l:0===u&&h===l-1&&(h=l-2,u=1),this.closed||h>0?n=s[(h-1)%l]:(Ls.subVectors(s[0],s[1]).add(s[0]),n=Ls),i=s[h%l],r=s[(h+1)%l],this.closed||h+2i.length-2?i.length-1:a+1],h=i[a>i.length-3?i.length-1:a+2];return n.set(Is(o,s.x,l.x,c.x,h.x),Is(o,s.y,l.y,c.y,h.y)),n},ks.prototype.copy=function(e){Ss.prototype.copy.call(this,e),this.points=[];for(var t=0,n=e.points.length;t=t){var r=n[i]-t,a=this.curves[i],o=a.getLength(),s=0===o?0:1-r/o;return a.getPointAt(s)}i++}return null},getLength:function(){var e=this.getCurveLengths();return e[e.length-1]},updateArcLengths:function(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()},getCurveLengths:function(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;for(var e=[],t=0,n=0,i=this.curves.length;n1&&!n[n.length-1].equals(n[0])&&n.push(n[0]),n},copy:function(e){Ss.prototype.copy.call(this,e),this.curves=[];for(var t=0,n=e.curves.length;t0){var c=l.getPoint(0);c.equals(this.currentPoint)||this.lineTo(c.x,c.y)}this.curves.push(l);var h=l.getPoint(1);return this.currentPoint.copy(h),this},copy:function(e){return js.prototype.copy.call(this,e),this.currentPoint.copy(e.currentPoint),this},toJSON:function(){var e=js.prototype.toJSON.call(this);return e.currentPoint=this.currentPoint.toArray(),e},fromJSON:function(e){return js.prototype.fromJSON.call(this,e),this.currentPoint.fromArray(e.currentPoint),this}}),qs.prototype=Object.assign(Object.create(Ws.prototype),{constructor:qs,getPointsHoles:function(e){for(var t=[],n=0,i=this.holes.length;n0:i.vertexColors=e.vertexColors),void 0!==e.uniforms)for(var r in e.uniforms){var a=e.uniforms[r];switch(i.uniforms[r]={},a.type){case"t":i.uniforms[r].value=n(a.value);break;case"c":i.uniforms[r].value=(new Ke).setHex(a.value);break;case"v2":i.uniforms[r].value=(new M).fromArray(a.value);break;case"v3":i.uniforms[r].value=(new D).fromArray(a.value);break;case"v4":i.uniforms[r].value=(new L).fromArray(a.value);break;case"m3":i.uniforms[r].value=(new S).fromArray(a.value);case"m4":i.uniforms[r].value=(new k).fromArray(a.value);break;default:i.uniforms[r].value=a.value}}if(void 0!==e.defines&&(i.defines=e.defines),void 0!==e.vertexShader&&(i.vertexShader=e.vertexShader),void 0!==e.fragmentShader&&(i.fragmentShader=e.fragmentShader),void 0!==e.extensions)for(var o in e.extensions)i.extensions[o]=e.extensions[o];if(void 0!==e.shading&&(i.flatShading=1===e.shading),void 0!==e.size&&(i.size=e.size),void 0!==e.sizeAttenuation&&(i.sizeAttenuation=e.sizeAttenuation),void 0!==e.map&&(i.map=n(e.map)),void 0!==e.matcap&&(i.matcap=n(e.matcap)),void 0!==e.alphaMap&&(i.alphaMap=n(e.alphaMap)),void 0!==e.bumpMap&&(i.bumpMap=n(e.bumpMap)),void 0!==e.bumpScale&&(i.bumpScale=e.bumpScale),void 0!==e.normalMap&&(i.normalMap=n(e.normalMap)),void 0!==e.normalMapType&&(i.normalMapType=e.normalMapType),void 0!==e.normalScale){var s=e.normalScale;!1===Array.isArray(s)&&(s=[s,s]),i.normalScale=(new M).fromArray(s)}return void 0!==e.displacementMap&&(i.displacementMap=n(e.displacementMap)),void 0!==e.displacementScale&&(i.displacementScale=e.displacementScale),void 0!==e.displacementBias&&(i.displacementBias=e.displacementBias),void 0!==e.roughnessMap&&(i.roughnessMap=n(e.roughnessMap)),void 0!==e.metalnessMap&&(i.metalnessMap=n(e.metalnessMap)),void 0!==e.emissiveMap&&(i.emissiveMap=n(e.emissiveMap)),void 0!==e.emissiveIntensity&&(i.emissiveIntensity=e.emissiveIntensity),void 0!==e.specularMap&&(i.specularMap=n(e.specularMap)),void 0!==e.envMap&&(i.envMap=n(e.envMap)),void 0!==e.envMapIntensity&&(i.envMapIntensity=e.envMapIntensity),void 0!==e.reflectivity&&(i.reflectivity=e.reflectivity),void 0!==e.refractionRatio&&(i.refractionRatio=e.refractionRatio),void 0!==e.lightMap&&(i.lightMap=n(e.lightMap)),void 0!==e.lightMapIntensity&&(i.lightMapIntensity=e.lightMapIntensity),void 0!==e.aoMap&&(i.aoMap=n(e.aoMap)),void 0!==e.aoMapIntensity&&(i.aoMapIntensity=e.aoMapIntensity),void 0!==e.gradientMap&&(i.gradientMap=n(e.gradientMap)),void 0!==e.clearcoatMap&&(i.clearcoatMap=n(e.clearcoatMap)),void 0!==e.clearcoatRoughnessMap&&(i.clearcoatRoughnessMap=n(e.clearcoatRoughnessMap)),void 0!==e.clearcoatNormalMap&&(i.clearcoatNormalMap=n(e.clearcoatNormalMap)),void 0!==e.clearcoatNormalScale&&(i.clearcoatNormalScale=(new M).fromArray(e.clearcoatNormalScale)),i},setTextures:function(e){return this.textures=e,this}});var ll=function(e){if("undefined"!=typeof TextDecoder)return(new TextDecoder).decode(e);for(var t="",n=0,i=e.length;n0){var a=new ws(new ds(t));a.setCrossOrigin(this.crossOrigin);for(var o=0,s=e.length;oNumber.EPSILON){if(c<0&&(o=t[a],l=-l,s=t[r],c=-c),e.ys.y)continue;if(e.y===o.y){if(e.x===o.x)return!0}else{var h=c*(e.x-o.x)-l*(e.y-o.y);if(0===h)return!0;if(h<0)continue;i=!i}}else{if(e.y!==o.y)continue;if(s.x<=e.x&&e.x<=o.x||o.x<=e.x&&e.x<=s.x)return!0}}return i}var r=fo.isClockWise,a=this.subPaths;if(0===a.length)return[];if(!0===t)return n(a);var o,s,l,c=[];if(1===a.length)return s=a[0],(l=new qs).curves=s.curves,c.push(l),c;var h=!r(a[0].getPoints());h=e?!h:h;var u,p,d=[],f=[],m=[],g=0;f[g]=void 0,m[g]=[];for(var v=0,y=a.length;v1){for(var x=!1,b=[],w=0,_=f.length;w<_;w++)d[w]=[];for(w=0,_=f.length;w<_;w++)for(var M=m[w],S=0;S0&&(x||(m=d))}v=0;for(var L=f.length;v0){this.source.connect(this.filters[0]);for(var e=1,t=this.filters.length;e0){this.source.disconnect(this.filters[0]);for(var e=1,t=this.filters.length;e0&&this._mixBufferRegionAdditive(n,i,this._addIndex*t,1,t);for(var l=t,c=t+t;l!==c;++l)if(n[l]!==n[l+t]){o.setValue(n,i);break}},saveOriginalState:function(){var e=this.binding,t=this.buffer,n=this.valueSize,i=n*this._origIndex;e.getValue(t,i);for(var r=n,a=i;r!==a;++r)t[r]=t[i+r%n];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0},restoreOriginalState:function(){var e=3*this.valueSize;this.binding.setValue(this.buffer,e)},_setAdditiveIdentityNumeric:function(){for(var e=this._addIndex*this.valueSize,t=e+this.valueSize,n=e;n=.5)for(var a=0;a!==r;++a)e[t+a]=e[n+a]},_slerp:function(e,t,n,i){C.slerpFlat(e,t,e,t,e,n,i)},_slerpAdditive:function(e,t,n,i,r){var a=this._workIndex*r;C.multiplyQuaternionsFlat(e,a,e,t,e,n),C.slerpFlat(e,t,e,t,e,a,i)},_lerp:function(e,t,n,i,r){for(var a=1-i,o=0;o!==r;++o){var s=t+o;e[s]=e[s]*a+e[n+o]*i}},_lerpAdditive:function(e,t,n,i,r){for(var a=0;a!==r;++a){var o=t+a;e[o]=e[o]+e[n+a]*i}}});var jl=new RegExp("[\\[\\]\\.:\\/]","g"),Wl="[^"+"\\[\\]\\.:\\/".replace("\\.","")+"]",ql=/((?:WC+[\/:])*)/.source.replace("WC","[^\\[\\]\\.:\\/]"),Xl=/(WCOD+)?/.source.replace("WCOD",Wl),Yl=/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC","[^\\[\\]\\.:\\/]"),Jl=/\.(WC+)(?:\[(.+)\])?/.source.replace("WC","[^\\[\\]\\.:\\/]"),Zl=new RegExp("^"+ql+Xl+Yl+Jl+"$"),Kl=["material","materials","bones"];function Ql(e,t,n){var i=n||$l.parseTrackName(t);this._targetGroup=e,this._bindings=e.subscribe_(t,i)}function $l(e,t,n){this.path=t,this.parsedPath=n||$l.parseTrackName(t),this.node=$l.findNode(e,this.parsedPath.nodeName)||e,this.rootNode=e}function ec(e,t,n,i){this._mixer=e,this._clip=t,this._localRoot=n||null,this.blendMode=i||t.blendMode;for(var r=t.tracks,a=r.length,o=new Array(a),s={endingStart:2400,endingEnd:2400},l=0;l!==a;++l){var c=r[l].createInterpolant(null);o[l]=c,c.settings=s}this._interpolantSettings=s,this._interpolants=o,this._propertyBindings=new Array(a),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}function tc(e){this._root=e,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}function nc(e){"string"==typeof e&&(console.warn("THREE.Uniform: Type parameter is no longer needed."),e=arguments[1]),this.value=e}function ic(e,t,n){yr.call(this,e,t),this.meshPerAttribute=n||1}function rc(e,t,n,i){this.ray=new Oe(e,t),this.near=n||0,this.far=i||1/0,this.camera=null,this.layers=new q,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}},Object.defineProperties(this.params,{PointCloud:{get:function(){return console.warn("THREE.Raycaster: params.PointCloud has been renamed to params.Points."),this.Points}}})}function ac(e,t){return e.distance-t.distance}function oc(e,t,n,i){if(e.layers.test(t.layers)&&e.raycast(t,n),!0===i)for(var r=e.children,a=0,o=r.length;a=t){var h=t++,u=e[h];n[u.uuid]=c,e[c]=u,n[l]=h,e[h]=s;for(var p=0,d=r;p!==d;++p){var f=i[p],m=f[h],g=f[c];f[c]=m,f[h]=g}}}this.nCachedObjects_=t},uncache:function(){for(var e=this._objects,t=e.length,n=this.nCachedObjects_,i=this._indicesByUUID,r=this._bindings,a=r.length,o=0,s=arguments.length;o!==s;++o){var l=arguments[o],c=l.uuid,h=i[c];if(void 0!==h)if(delete i[c],h0){var l=this._interpolants,c=this._propertyBindings;switch(this.blendMode){case 2501:for(var h=0,u=l.length;h!==u;++h)l[h].evaluate(o),c[h].accumulateAdditive(s);break;case 2500:default:for(h=0,u=l.length;h!==u;++h)l[h].evaluate(o),c[h].accumulate(i,s)}}}else this._updateWeight(e)},_updateWeight:function(e){var t=0;if(this.enabled){t=this.weight;var n=this._weightInterpolant;if(null!==n){var i=n.evaluate(e)[0];t*=i,e>n.parameterPositions[1]&&(this.stopFading(),0===i&&(this.enabled=!1))}}return this._effectiveWeight=t,t},_updateTimeScale:function(e){var t=0;if(!this.paused){t=this.timeScale;var n=this._timeScaleInterpolant;if(null!==n)t*=n.evaluate(e)[0],e>n.parameterPositions[1]&&(this.stopWarping(),0===t?this.paused=!0:this.timeScale=t)}return this._effectiveTimeScale=t,t},_updateTime:function(e){var t=this.time+e,n=this._clip.duration,i=this.loop,r=this._loopCount,a=2202===i;if(0===e)return-1===r?t:a&&1==(1&r)?n-t:t;if(2200===i){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));e:{if(t>=n)t=n;else{if(!(t<0)){this.time=t;break e}t=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=t,this._mixer.dispatchEvent({type:"finished",action:this,direction:e<0?-1:1})}}else{if(-1===r&&(e>=0?(r=0,this._setEndings(!0,0===this.repetitions,a)):this._setEndings(0===this.repetitions,!0,a)),t>=n||t<0){var o=Math.floor(t/n);t-=n*o,r+=Math.abs(o);var s=this.repetitions-r;if(s<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,t=e>0?n:0,this.time=t,this._mixer.dispatchEvent({type:"finished",action:this,direction:e>0?1:-1});else{if(1===s){var l=e<0;this._setEndings(l,!l,a)}else this._setEndings(!1,!1,a);this._loopCount=r,this.time=t,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:o})}}else this.time=t;if(a&&1==(1&r))return n-t}return t},_setEndings:function(e,t,n){var i=this._interpolantSettings;n?(i.endingStart=2401,i.endingEnd=2401):(i.endingStart=e?this.zeroSlopeAtStart?2401:2400:2402,i.endingEnd=t?this.zeroSlopeAtEnd?2401:2400:2402)},_scheduleFading:function(e,t,n){var i=this._mixer,r=i.time,a=this._weightInterpolant;null===a&&(a=i._lendControlInterpolant(),this._weightInterpolant=a);var o=a.parameterPositions,s=a.sampleValues;return o[0]=r,s[0]=t,o[1]=r+e,s[1]=n,this}}),tc.prototype=Object.assign(Object.create(y.prototype),{constructor:tc,_bindAction:function(e,t){var n=e._localRoot||this._root,i=e._clip.tracks,r=i.length,a=e._propertyBindings,o=e._interpolants,s=n.uuid,l=this._bindingsByRootAndName,c=l[s];void 0===c&&(c={},l[s]=c);for(var h=0;h!==r;++h){var u=i[h],p=u.name,d=c[p];if(void 0!==d)a[h]=d;else{if(void 0!==(d=a[h])){null===d._cacheIndex&&(++d.referenceCount,this._addInactiveBinding(d,s,p));continue}var f=t&&t._propertyBindings[h].binding.parsedPath;++(d=new Vl($l.create(n,p,f),u.ValueTypeName,u.getValueSize())).referenceCount,this._addInactiveBinding(d,s,p),a[h]=d}o[h].resultBuffer=d.buffer}},_activateAction:function(e){if(!this._isActiveAction(e)){if(null===e._cacheIndex){var t=(e._localRoot||this._root).uuid,n=e._clip.uuid,i=this._actionsByClip[n];this._bindAction(e,i&&i.knownActions[0]),this._addInactiveAction(e,n,t)}for(var r=e._propertyBindings,a=0,o=r.length;a!==o;++a){var s=r[a];0==s.useCount++&&(this._lendBinding(s),s.saveOriginalState())}this._lendAction(e)}},_deactivateAction:function(e){if(this._isActiveAction(e)){for(var t=e._propertyBindings,n=0,i=t.length;n!==i;++n){var r=t[n];0==--r.useCount&&(r.restoreOriginalState(),this._takeBackBinding(r))}this._takeBackAction(e)}},_initMemoryManager:function(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;var e=this;this.stats={actions:{get total(){return e._actions.length},get inUse(){return e._nActiveActions}},bindings:{get total(){return e._bindings.length},get inUse(){return e._nActiveBindings}},controlInterpolants:{get total(){return e._controlInterpolants.length},get inUse(){return e._nActiveControlInterpolants}}}},_isActiveAction:function(e){var t=e._cacheIndex;return null!==t&&t=0;--t)e[t].stop();return this},update:function(e){e*=this.timeScale;for(var t=this._actions,n=this._nActiveActions,i=this.time+=e,r=Math.sign(e),a=this._accuIndex^=1,o=0;o!==n;++o){t[o]._update(i,e,r,a)}var s=this._bindings,l=this._nActiveBindings;for(o=0;o!==l;++o)s[o].apply(a);return this},setTime:function(e){this.time=0;for(var t=0;tthis.max.x||e.ythis.max.y)},containsBox:function(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y},getParameter:function(e,t){return void 0===t&&(console.warn("THREE.Box2: .getParameter() target is now required"),t=new M),t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y))},intersectsBox:function(e){return!(e.max.xthis.max.x||e.max.ythis.max.y)},clampPoint:function(e,t){return void 0===t&&(console.warn("THREE.Box2: .clampPoint() target is now required"),t=new M),t.copy(e).clamp(this.min,this.max)},distanceToPoint:function(e){return lc.copy(e).clamp(this.min,this.max).sub(e).length()},intersect:function(e){return this.min.max(e.min),this.max.min(e.max),this},union:function(e){return this.min.min(e.min),this.max.max(e.max),this},translate:function(e){return this.min.add(e),this.max.add(e),this},equals:function(e){return e.min.equals(this.min)&&e.max.equals(this.max)}});var hc=new D,uc=new D;function pc(e,t){this.start=void 0!==e?e:new D,this.end=void 0!==t?t:new D}function dc(e){oe.call(this),this.material=e,this.render=function(){},this.hasPositions=!1,this.hasNormals=!1,this.hasColors=!1,this.hasUvs=!1,this.positionArray=null,this.normalArray=null,this.colorArray=null,this.uvArray=null,this.count=0}Object.assign(pc.prototype,{set:function(e,t){return this.start.copy(e),this.end.copy(t),this},clone:function(){return(new this.constructor).copy(this)},copy:function(e){return this.start.copy(e.start),this.end.copy(e.end),this},getCenter:function(e){return void 0===e&&(console.warn("THREE.Line3: .getCenter() target is now required"),e=new D),e.addVectors(this.start,this.end).multiplyScalar(.5)},delta:function(e){return void 0===e&&(console.warn("THREE.Line3: .delta() target is now required"),e=new D),e.subVectors(this.end,this.start)},distanceSq:function(){return this.start.distanceToSquared(this.end)},distance:function(){return this.start.distanceTo(this.end)},at:function(e,t){return void 0===t&&(console.warn("THREE.Line3: .at() target is now required"),t=new D),this.delta(t).multiplyScalar(e).add(this.start)},closestPointToPointParameter:function(e,t){hc.subVectors(e,this.start),uc.subVectors(this.end,this.start);var n=uc.dot(uc),i=uc.dot(hc)/n;return t&&(i=_.clamp(i,0,1)),i},closestPointToPoint:function(e,t,n){var i=this.closestPointToPointParameter(e,t);return void 0===n&&(console.warn("THREE.Line3: .closestPointToPoint() target is now required"),n=new D),this.delta(n).multiplyScalar(i).add(this.start)},applyMatrix4:function(e){return this.start.applyMatrix4(e),this.end.applyMatrix4(e),this},equals:function(e){return e.start.equals(this.start)&&e.end.equals(this.end)}}),dc.prototype=Object.create(oe.prototype),dc.prototype.constructor=dc,dc.prototype.isImmediateRenderObject=!0;var fc=new D;function mc(e,t){oe.call(this),this.light=e,this.light.updateMatrixWorld(),this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.color=t;for(var n=new Tt,i=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1],r=0,a=1;r<32;r++,a++){var o=r/32*Math.PI*2,s=a/32*Math.PI*2;i.push(Math.cos(o),Math.sin(o),1,Math.cos(s),Math.sin(s),1)}n.setAttribute("position",new ft(i,3));var l=new ta({fog:!1,toneMapped:!1});this.cone=new ha(n,l),this.add(this.cone),this.update()}mc.prototype=Object.create(oe.prototype),mc.prototype.constructor=mc,mc.prototype.dispose=function(){this.cone.geometry.dispose(),this.cone.material.dispose()},mc.prototype.update=function(){this.light.updateMatrixWorld();var e=this.light.distance?this.light.distance:1e3,t=e*Math.tan(this.light.angle);this.cone.scale.set(t,t,e),fc.setFromMatrixPosition(this.light.target.matrixWorld),this.cone.lookAt(fc),void 0!==this.color?this.cone.material.color.set(this.color):this.cone.material.color.copy(this.light.color)};var gc=new D,vc=new k,yc=new k;function xc(e){for(var t=function e(t){var n=[];t&&t.isBone&&n.push(t);for(var i=0;i.99999)this.quaternion.set(0,0,0,1);else if(e.y<-.99999)this.quaternion.set(1,0,0,0);else{Gc.set(e.z,0,-e.x).normalize();var t=Math.acos(e.y);this.quaternion.setFromAxisAngle(Gc,t)}},kc.prototype.setLength=function(e,t,n){void 0===t&&(t=.2*e),void 0===n&&(n=.2*t),this.line.scale.set(1,Math.max(1e-4,e-t),1),this.line.updateMatrix(),this.cone.scale.set(n,t,n),this.cone.position.y=e,this.cone.updateMatrix()},kc.prototype.setColor=function(e){this.line.material.color.set(e),this.cone.material.color.set(e)},kc.prototype.copy=function(e){return oe.prototype.copy.call(this,e,!1),this.line.copy(e.line),this.cone.copy(e.cone),this},kc.prototype.clone=function(){return(new this.constructor).copy(this)},Vc.prototype=Object.create(ha.prototype),Vc.prototype.constructor=Vc;var jc=Math.pow(2,8),Wc=[.125,.215,.35,.446,.526,.582],qc=5+Wc.length,Xc={3e3:0,3001:1,3002:2,3004:3,3005:4,3006:5,3007:6},Yc=new el,{_lodPlanes:Jc,_sizeLods:Zc,_sigmas:Kc}=function(){for(var e=[],t=[],n=[],i=8,r=0;r4?o=Wc[r-8+4-1]:0==r&&(o=0),n.push(o);for(var s=1/(a-1),l=-s/2,c=1+s/2,h=[l,l,c,l,c,c,l,l,c,c,l,c],u=new Float32Array(108),p=new Float32Array(72),d=new Float32Array(36),f=0;f<6;f++){var m=f%3*2/3-1,g=f>2?0:-1,v=[m,g,0,m+2/3,g,0,m+2/3,g+1,0,m,g,0,m+2/3,g+1,0,m,g+1,0];u.set(v,18*f),p.set(h,12*f);var y=[f,f,f,f,f,f];d.set(y,6*f)}var x=new Tt;x.setAttribute("position",new ot(u,3)),x.setAttribute("uv",new ot(p,2)),x.setAttribute("faceIndex",new ot(d,1)),e.push(x),i>4&&i--}return{_lodPlanes:e,_sizeLods:t,_sigmas:n}}(),Qc=null,$c=(1+Math.sqrt(5))/2,eh=1/$c,th=[new D(1,1,1),new D(-1,1,1),new D(1,1,-1),new D(-1,1,-1),new D(0,$c,eh),new D(0,$c,-eh),new D(eh,0,$c),new D(-eh,0,$c),new D($c,eh,0),new D(-$c,eh,0)];function nh(e){var t,n,i,r;this._renderer=e,this._pingPongRenderTarget=null,this._blurMaterial=(t=20,n=new Float32Array(t),i=new D(0,1,0),(r=new Go({defines:{n:t},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:n},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:i},inputEncoding:{value:Xc[3e3]},outputEncoding:{value:Xc[3e3]}},vertexShader:lh(),fragmentShader:`\nprecision mediump float;\nprecision mediump int;\nvarying vec3 vOutputDirection;\nuniform sampler2D envMap;\nuniform int samples;\nuniform float weights[n];\nuniform bool latitudinal;\nuniform float dTheta;\nuniform float mipInt;\nuniform vec3 poleAxis;\n\n${ch()}\n\n#define ENVMAP_TYPE_CUBE_UV\n#include \n\nvec3 getSample(float theta, vec3 axis) {\n\tfloat cosTheta = cos(theta);\n\t// Rodrigues' axis-angle rotation\n\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t+ cross(axis, vOutputDirection) * sin(theta)\n\t\t+ axis * dot(axis, vOutputDirection) * (1.0 - cosTheta);\n\treturn bilinearCubeUV(envMap, sampleDirection, mipInt);\n}\n\nvoid main() {\n\tvec3 axis = latitudinal ? poleAxis : cross(poleAxis, vOutputDirection);\n\tif (all(equal(axis, vec3(0.0))))\n\t\taxis = vec3(vOutputDirection.z, 0.0, - vOutputDirection.x);\n\taxis = normalize(axis);\n\tgl_FragColor = vec4(0.0);\n\tgl_FragColor.rgb += weights[0] * getSample(0.0, axis);\n\tfor (int i = 1; i < n; i++) {\n\t\tif (i >= samples)\n\t\t\tbreak;\n\t\tfloat theta = dTheta * float(i);\n\t\tgl_FragColor.rgb += weights[i] * getSample(-1.0 * theta, axis);\n\t\tgl_FragColor.rgb += weights[i] * getSample(theta, axis);\n\t}\n\tgl_FragColor = linearToOutputTexel(gl_FragColor);\n}\n\t\t`,blending:0,depthTest:!1,depthWrite:!1})).type="SphericalGaussianBlur",r),this._equirectShader=null,this._cubemapShader=null,this._compileMaterial(this._blurMaterial)}function ih(e){return void 0!==e&&1009===e.type&&(3e3===e.encoding||3001===e.encoding||3007===e.encoding)}function rh(e){var t=new R(3*jc,3*jc,e);return t.texture.mapping=306,t.texture.name="PMREM.cubeUv",t.scissorTest=!0,t}function ah(e,t,n,i,r){e.viewport.set(t,n,i,r),e.scissor.set(t,n,i,r)}function oh(){var e=new Go({uniforms:{envMap:{value:null},texelSize:{value:new M(1,1)},inputEncoding:{value:Xc[3e3]},outputEncoding:{value:Xc[3e3]}},vertexShader:lh(),fragmentShader:`\nprecision mediump float;\nprecision mediump int;\nvarying vec3 vOutputDirection;\nuniform sampler2D envMap;\nuniform vec2 texelSize;\n\n${ch()}\n\n#include \n\nvoid main() {\n\tgl_FragColor = vec4(0.0);\n\tvec3 outputDirection = normalize(vOutputDirection);\n\tvec2 uv = equirectUv( outputDirection );\n\tvec2 f = fract(uv / texelSize - 0.5);\n\tuv -= f * texelSize;\n\tvec3 tl = envMapTexelToLinear(texture2D(envMap, uv)).rgb;\n\tuv.x += texelSize.x;\n\tvec3 tr = envMapTexelToLinear(texture2D(envMap, uv)).rgb;\n\tuv.y += texelSize.y;\n\tvec3 br = envMapTexelToLinear(texture2D(envMap, uv)).rgb;\n\tuv.x -= texelSize.x;\n\tvec3 bl = envMapTexelToLinear(texture2D(envMap, uv)).rgb;\n\tvec3 tm = mix(tl, tr, f.x);\n\tvec3 bm = mix(bl, br, f.x);\n\tgl_FragColor.rgb = mix(tm, bm, f.y);\n\tgl_FragColor = linearToOutputTexel(gl_FragColor);\n}\n\t\t`,blending:0,depthTest:!1,depthWrite:!1});return e.type="EquirectangularToCubeUV",e}function sh(){var e=new Go({uniforms:{envMap:{value:null},inputEncoding:{value:Xc[3e3]},outputEncoding:{value:Xc[3e3]}},vertexShader:lh(),fragmentShader:`\nprecision mediump float;\nprecision mediump int;\nvarying vec3 vOutputDirection;\nuniform samplerCube envMap;\n\n${ch()}\n\nvoid main() {\n\tgl_FragColor = vec4(0.0);\n\tgl_FragColor.rgb = envMapTexelToLinear(textureCube(envMap, vec3( - vOutputDirection.x, vOutputDirection.yz ))).rgb;\n\tgl_FragColor = linearToOutputTexel(gl_FragColor);\n}\n\t\t`,blending:0,depthTest:!1,depthWrite:!1});return e.type="CubemapToCubeUV",e}function lh(){return"\nprecision mediump float;\nprecision mediump int;\nattribute vec3 position;\nattribute vec2 uv;\nattribute float faceIndex;\nvarying vec3 vOutputDirection;\n\n// RH coordinate system; PMREM face-indexing convention\nvec3 getDirection(vec2 uv, float face) {\n\tuv = 2.0 * uv - 1.0;\n\tvec3 direction = vec3(uv, 1.0);\n\tif (face == 0.0) {\n\t\tdirection = direction.zyx; // ( 1, v, u ) pos x\n\t} else if (face == 1.0) {\n\t\tdirection = direction.xzy;\n\t\tdirection.xz *= -1.0; // ( -u, 1, -v ) pos y\n\t} else if (face == 2.0) {\n\t\tdirection.x *= -1.0; // ( -u, v, 1 ) pos z\n\t} else if (face == 3.0) {\n\t\tdirection = direction.zyx;\n\t\tdirection.xz *= -1.0; // ( -1, v, -u ) neg x\n\t} else if (face == 4.0) {\n\t\tdirection = direction.xzy;\n\t\tdirection.xy *= -1.0; // ( -u, -1, v ) neg y\n\t} else if (face == 5.0) {\n\t\tdirection.z *= -1.0; // ( u, v, -1 ) neg z\n\t}\n\treturn direction;\n}\n\nvoid main() {\n\tvOutputDirection = getDirection(uv, faceIndex);\n\tgl_Position = vec4( position, 1.0 );\n}\n\t"}function ch(){return"\nuniform int inputEncoding;\nuniform int outputEncoding;\n\n#include \n\nvec4 inputTexelToLinear(vec4 value){\n\tif(inputEncoding == 0){\n\t\treturn value;\n\t}else if(inputEncoding == 1){\n\t\treturn sRGBToLinear(value);\n\t}else if(inputEncoding == 2){\n\t\treturn RGBEToLinear(value);\n\t}else if(inputEncoding == 3){\n\t\treturn RGBMToLinear(value, 7.0);\n\t}else if(inputEncoding == 4){\n\t\treturn RGBMToLinear(value, 16.0);\n\t}else if(inputEncoding == 5){\n\t\treturn RGBDToLinear(value, 256.0);\n\t}else{\n\t\treturn GammaToLinear(value, 2.2);\n\t}\n}\n\nvec4 linearToOutputTexel(vec4 value){\n\tif(outputEncoding == 0){\n\t\treturn value;\n\t}else if(outputEncoding == 1){\n\t\treturn LinearTosRGB(value);\n\t}else if(outputEncoding == 2){\n\t\treturn LinearToRGBE(value);\n\t}else if(outputEncoding == 3){\n\t\treturn LinearToRGBM(value, 7.0);\n\t}else if(outputEncoding == 4){\n\t\treturn LinearToRGBM(value, 16.0);\n\t}else if(outputEncoding == 5){\n\t\treturn LinearToRGBD(value, 256.0);\n\t}else{\n\t\treturn LinearToGamma(value, 2.2);\n\t}\n}\n\nvec4 envMapTexelToLinear(vec4 color) {\n\treturn inputTexelToLinear(color);\n}\n\t"}function hh(e){console.warn("THREE.Spline has been removed. Use THREE.CatmullRomCurve3 instead."),Os.call(this,e),this.type="catmullrom"}nh.prototype={constructor:nh,fromScene:function(e,t=0,n=.1,i=100){Qc=this._renderer.getRenderTarget();var r=this._allocateTargets();return this._sceneToCubeUV(e,n,i,r),t>0&&this._blur(r,0,0,t),this._applyPMREM(r),this._cleanup(r),r},fromEquirectangular:function(e){return e.magFilter=1003,e.minFilter=1003,e.generateMipmaps=!1,this.fromCubemap(e)},fromCubemap:function(e){Qc=this._renderer.getRenderTarget();var t=this._allocateTargets(e);return this._textureToCubeUV(e,t),this._applyPMREM(t),this._cleanup(t),t},compileCubemapShader:function(){null===this._cubemapShader&&(this._cubemapShader=sh(),this._compileMaterial(this._cubemapShader))},compileEquirectangularShader:function(){null===this._equirectShader&&(this._equirectShader=oh(),this._compileMaterial(this._equirectShader))},dispose:function(){this._blurMaterial.dispose(),null!==this._cubemapShader&&this._cubemapShader.dispose(),null!==this._equirectShader&&this._equirectShader.dispose();for(var e=0;e2?jc:0,jc,jc),s.setRenderTarget(i),s.render(e,r)}s.toneMapping=c,s.toneMappingExposure=h,s.outputEncoding=l,s.setClearColor(u,p)},_textureToCubeUV:function(e,t){var n=this._renderer;e.isCubeTexture?null==this._cubemapShader&&(this._cubemapShader=sh()):null==this._equirectShader&&(this._equirectShader=oh());var i=e.isCubeTexture?this._cubemapShader:this._equirectShader,r=new Vt(Jc[0],i),a=i.uniforms;a.envMap.value=e,e.isCubeTexture||a.texelSize.value.set(1/e.image.width,1/e.image.height),a.inputEncoding.value=Xc[e.encoding],a.outputEncoding.value=Xc[t.texture.encoding],ah(t,0,0,3*jc,2*jc),n.setRenderTarget(t),n.render(r,Yc)},_applyPMREM:function(e){var t=this._renderer,n=t.autoClear;t.autoClear=!1;for(var i=1;i20&&console.warn(`sigmaRadians, ${r}, is too large and will clip, as it requested ${f} samples when the maximum is set to 20`);for(var m=[],g=0,v=0;v<20;++v){var y=v/d,x=Math.exp(-y*y/2);m.push(x),0==v?g+=x:v4?i-8+4:0),3*b,2*b),s.setRenderTarget(t),s.render(c,Yc)}},Ss.create=function(e,t){return console.log("THREE.Curve.create() has been deprecated"),e.prototype=Object.create(Ss.prototype),e.prototype.constructor=e,e.prototype.getPoint=t,e},Object.assign(js.prototype,{createPointsGeometry:function(e){console.warn("THREE.CurvePath: .createPointsGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.");var t=this.getPoints(e);return this.createGeometry(t)},createSpacedPointsGeometry:function(e){console.warn("THREE.CurvePath: .createSpacedPointsGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.");var t=this.getSpacedPoints(e);return this.createGeometry(t)},createGeometry:function(e){console.warn("THREE.CurvePath: .createGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.");for(var t=new Zt,n=0,i=e.length;n{var n={attributeIDs:this.defaultAttributeIDs,attributeTypes:this.defaultAttributeTypes,useUniqueIDs:!1};this.decodeGeometry(e,n).then(t).catch(i)},n,i)},decodeDracoFile:function(e,t,n,i){var r={attributeIDs:n||this.defaultAttributeIDs,attributeTypes:i||this.defaultAttributeTypes,useUniqueIDs:!!n};this.decodeGeometry(e,r).then(t)},decodeGeometry:function(e,t){for(var n in t.attributeTypes){var i=t.attributeTypes[n];void 0!==i.BYTES_PER_ELEMENT&&(t.attributeTypes[n]=i.name)}var r,a=JSON.stringify(t);if(uh.taskCache.has(e)){var o=uh.taskCache.get(e);if(o.key===a)return o.promise;if(0===e.byteLength)throw new Error("THREE.DRACOLoader: Unable to re-decode a buffer with different settings. Buffer has already been transferred.")}var s=this.workerNextTaskID++,l=e.byteLength,c=this._getWorker(s,l).then(n=>(r=n,new Promise((n,i)=>{r._callbacks[s]={resolve:n,reject:i},r.postMessage({type:"decode",id:s,taskConfig:t,buffer:e},[e])}))).then(e=>this._createGeometry(e.geometry));return c.catch(()=>!0).then(()=>{r&&s&&this._releaseTask(r,s)}),uh.taskCache.set(e,{key:a,promise:c}),c},_createGeometry:function(e){var t=new Tt;e.index&&t.setIndex(new ot(e.index.array,1));for(var n=0;n{n.load(e,t,void 0,i)})},preload:function(){return this._initDecoder(),this},_initDecoder:function(){if(this.decoderPending)return this.decoderPending;var e="object"!=typeof WebAssembly||"js"===this.decoderConfig.type,t=[];return e?t.push(this._loadLibrary("draco_decoder.js","text")):(t.push(this._loadLibrary("draco_wasm_wrapper.js","text")),t.push(this._loadLibrary("draco_decoder.wasm","arraybuffer"))),this.decoderPending=Promise.all(t).then(t=>{var n=t[0];e||(this.decoderConfig.wasmBinary=t[1]);var i=uh.DRACOWorker.toString(),r=["/* draco decoder */",n,"","/* worker */",i.substring(i.indexOf("{")+1,i.lastIndexOf("}"))].join("\n");this.workerSourceURL=URL.createObjectURL(new Blob([r]))}),this.decoderPending},_getWorker:function(e,t){return this._initDecoder().then(()=>{var n;this.workerPool.lengtht._taskLoad?-1:1}));return(n=this.workerPool[this.workerPool.length-1])._taskCosts[e]=t,n._taskLoad+=t,n})},_releaseTask:function(e,t){e._taskLoad-=e._taskCosts[t],delete e._callbacks[t],delete e._taskCosts[t]},debug:function(){console.log("Task load: ",this.workerPool.map(e=>e._taskLoad))},dispose:function(){for(var e=0;e{var t=e.draco,i=new t.Decoder,s=new t.DecoderBuffer;s.Init(new Int8Array(a),a.byteLength);try{var l=function(e,t,i,r){var a,o,s=r.attributeIDs,l=r.attributeTypes,c=t.GetEncodedGeometryType(i);if(c===e.TRIANGULAR_MESH)a=new e.Mesh,o=t.DecodeBufferToMesh(i,a);else{if(c!==e.POINT_CLOUD)throw new Error("THREE.DRACOLoader: Unexpected geometry type.");a=new e.PointCloud,o=t.DecodeBufferToPointCloud(i,a)}if(!o.ok()||0===a.ptr)throw new Error("THREE.DRACOLoader: Decoding failed: "+o.error_msg());var h={index:null,attributes:[]};for(var u in s){var p,d,f=self[l[u]];if(r.useUniqueIDs)d=s[u],p=t.GetAttributeByUniqueId(a,d);else{if(-1===(d=t.GetAttributeId(a,e[s[u]])))continue;p=t.GetAttribute(a,d)}h.attributes.push(n(e,t,a,u,f,p))}if(c===e.TRIANGULAR_MESH){for(var m=a.num_faces(),g=new Uint32Array(3*m),v=new e.DracoInt32Array,y=0;ye.array.buffer);l.index&&c.push(l.index.array.buffer),self.postMessage({type:"decode",id:r.id,geometry:l},c)}catch(e){console.error(e),self.postMessage({type:"error",id:r.id,error:e.message})}finally{t.destroy(s),t.destroy(i)}})}}},uh.taskCache=new WeakMap,uh.setDecoderPath=function(){console.warn("THREE.DRACOLoader: The .setDecoderPath() method has been removed. Use instance methods.")},uh.setDecoderConfig=function(){console.warn("THREE.DRACOLoader: The .setDecoderConfig() method has been removed. Use instance methods.")},uh.releaseDecoderModule=function(){console.warn("THREE.DRACOLoader: The .releaseDecoderModule() method has been removed. Use instance methods.")},uh.getDecoderModule=function(){console.warn("THREE.DRACOLoader: The .getDecoderModule() method has been removed. Use instance methods.")};var ph,dh,fh=function(){function e(e){ms.call(this,e),this.dracoLoader=null,this.ddsLoader=null}function t(){var e={};return{get:function(t){return e[t]},add:function(t,n){e[t]=n},remove:function(t){delete e[t]},removeAll:function(){e={}}}}e.prototype=Object.assign(Object.create(ms.prototype),{constructor:e,load:function(e,t,n,i){var r,a=this;r=""!==this.resourcePath?this.resourcePath:""!==this.path?this.path:cl(e),a.manager.itemStart(e);var o=function(t){i?i(t):console.error(t),a.manager.itemError(e),a.manager.itemEnd(e)},s=new vs(a.manager);s.setPath(this.path),s.setResponseType("arraybuffer"),s.setRequestHeader(this.requestHeader),"use-credentials"===a.crossOrigin&&s.setWithCredentials(!0),s.load(e,(function(n){try{a.parse(n,r,(function(n){t(n),a.manager.itemEnd(e)}),o)}catch(e){o(e)}}),n,o)},setDRACOLoader:function(e){return this.dracoLoader=e,this},setDDSLoader:function(e){return this.ddsLoader=e,this},parse:function(e,t,l,c){var d,g={};if("string"==typeof e)d=e;else if(ll(new Uint8Array(e,0,4))===s){try{g[n.KHR_BINARY_GLTF]=new h(e)}catch(e){return void(c&&c(e))}d=g[n.KHR_BINARY_GLTF].content}else d=ll(new Uint8Array(e));var v=JSON.parse(d);if(void 0===v.asset||v.asset.version[0]<2)c&&c(new Error("THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported."));else{if(v.extensionsUsed)for(var y=0;y=0&&console.warn('THREE.GLTFLoader: Unknown extension "'+x+'".')}}var w=new W(v,g,{path:t||this.resourcePath||"",crossOrigin:this.crossOrigin,manager:this.manager});w.fileLoader.setRequestHeader(this.requestHeader),w.parse(l,c)}}});var n={KHR_BINARY_GLTF:"KHR_binary_glTF",KHR_DRACO_MESH_COMPRESSION:"KHR_draco_mesh_compression",KHR_LIGHTS_PUNCTUAL:"KHR_lights_punctual",KHR_MATERIALS_CLEARCOAT:"KHR_materials_clearcoat",KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS:"KHR_materials_pbrSpecularGlossiness",KHR_MATERIALS_UNLIT:"KHR_materials_unlit",KHR_TEXTURE_TRANSFORM:"KHR_texture_transform",KHR_MESH_QUANTIZATION:"KHR_mesh_quantization",MSFT_TEXTURE_DDS:"MSFT_texture_dds"};function i(e){if(!e)throw new Error("THREE.GLTFLoader: Attempting to load .dds texture without importing DDSLoader");this.name=n.MSFT_TEXTURE_DDS,this.ddsLoader=e}function r(e){this.name=n.KHR_LIGHTS_PUNCTUAL;var t=e.extensions&&e.extensions[n.KHR_LIGHTS_PUNCTUAL]||{};this.lightDefs=t.lights||[]}function a(){this.name=n.KHR_MATERIALS_UNLIT}function o(){this.name=n.KHR_MATERIALS_CLEARCOAT}r.prototype.loadLight=function(e){var t,n=this.lightDefs[e],i=new Ke(16777215);void 0!==n.color&&i.fromArray(n.color);var r=void 0!==n.range?n.range:0;switch(n.type){case"directional":(t=new nl(i)).target.position.set(0,0,-1),t.add(t.target);break;case"point":(t=new $s(i)).distance=r;break;case"spot":(t=new Ks(i)).distance=r,n.spot=n.spot||{},n.spot.innerConeAngle=void 0!==n.spot.innerConeAngle?n.spot.innerConeAngle:0,n.spot.outerConeAngle=void 0!==n.spot.outerConeAngle?n.spot.outerConeAngle:Math.PI/4,t.angle=n.spot.outerConeAngle,t.penumbra=1-n.spot.innerConeAngle/n.spot.outerConeAngle,t.target.position.set(0,0,-1),t.add(t.target);break;default:throw new Error('THREE.GLTFLoader: Unexpected light type, "'+n.type+'".')}return t.position.set(0,0,0),t.decay=2,void 0!==n.intensity&&(t.intensity=n.intensity),t.name=n.name||"light_"+e,Promise.resolve(t)},a.prototype.getMaterialType=function(){return rt},a.prototype.extendParams=function(e,t,n){var i=[];e.color=new Ke(1,1,1),e.opacity=1;var r=t.pbrMetallicRoughness;if(r){if(Array.isArray(r.baseColorFactor)){var a=r.baseColorFactor;e.color.fromArray(a),e.opacity=a[3]}void 0!==r.baseColorTexture&&i.push(n.assignTexture(e,"map",r.baseColorTexture))}return Promise.all(i)},o.prototype.getMaterialType=function(){return Vo},o.prototype.extendParams=function(e,t,n){var i=[],r=t.extensions[this.name];if(void 0!==r.clearcoatFactor&&(e.clearcoat=r.clearcoatFactor),void 0!==r.clearcoatTexture&&i.push(n.assignTexture(e,"clearcoatMap",r.clearcoatTexture)),void 0!==r.clearcoatRoughnessFactor&&(e.clearcoatRoughness=r.clearcoatRoughnessFactor),void 0!==r.clearcoatRoughnessTexture&&i.push(n.assignTexture(e,"clearcoatRoughnessMap",r.clearcoatRoughnessTexture)),void 0!==r.clearcoatNormalTexture&&(i.push(n.assignTexture(e,"clearcoatNormalMap",r.clearcoatNormalTexture)),void 0!==r.clearcoatNormalTexture.scale)){var a=r.clearcoatNormalTexture.scale;e.clearcoatNormalScale=new M(a,a)}return Promise.all(i)};var s="glTF",l=1313821514,c=5130562;function h(e){this.name=n.KHR_BINARY_GLTF,this.content=null,this.body=null;var t=new DataView(e,0,12);if(this.header={magic:ll(new Uint8Array(e.slice(0,4))),version:t.getUint32(4,!0),length:t.getUint32(8,!0)},this.header.magic!==s)throw new Error("THREE.GLTFLoader: Unsupported glTF-Binary header.");if(this.header.version<2)throw new Error("THREE.GLTFLoader: Legacy binary file detected.");for(var i=new DataView(e,12),r=0;r",t),e.fragmentShader=e.fragmentShader.replace("#include ",n),e.fragmentShader=e.fragmentShader.replace("#include ",i),e.fragmentShader=e.fragmentShader.replace("#include ",r),e.fragmentShader=e.fragmentShader.replace("#include ",a)},Object.defineProperties(this,{specular:{get:function(){return o.specular.value},set:function(e){o.specular.value=e}},specularMap:{get:function(){return o.specularMap.value},set:function(e){o.specularMap.value=e}},glossiness:{get:function(){return o.glossiness.value},set:function(e){o.glossiness.value=e}},glossinessMap:{get:function(){return o.glossinessMap.value},set:function(e){o.glossinessMap.value=e,e?(this.defines.USE_GLOSSINESSMAP="",this.defines.USE_ROUGHNESSMAP=""):(delete this.defines.USE_ROUGHNESSMAP,delete this.defines.USE_GLOSSINESSMAP)}}}),delete this.metalness,delete this.roughness,delete this.metalnessMap,delete this.roughnessMap,this.setValues(e)}function f(){return{name:n.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS,specularGlossinessParams:["color","map","lightMap","lightMapIntensity","aoMap","aoMapIntensity","emissive","emissiveIntensity","emissiveMap","bumpMap","bumpScale","normalMap","normalMapType","displacementMap","displacementScale","displacementBias","specularMap","specular","glossinessMap","glossiness","alphaMap","envMap","envMapIntensity","refractionRatio"],getMaterialType:function(){return d},extendParams:function(e,t,n){var i=t.extensions[this.name];e.color=new Ke(1,1,1),e.opacity=1;var r=[];if(Array.isArray(i.diffuseFactor)){var a=i.diffuseFactor;e.color.fromArray(a),e.opacity=a[3]}if(void 0!==i.diffuseTexture&&r.push(n.assignTexture(e,"map",i.diffuseTexture)),e.emissive=new Ke(0,0,0),e.glossiness=void 0!==i.glossinessFactor?i.glossinessFactor:1,e.specular=new Ke(1,1,1),Array.isArray(i.specularFactor)&&e.specular.fromArray(i.specularFactor),void 0!==i.specularGlossinessTexture){var o=i.specularGlossinessTexture;r.push(n.assignTexture(e,"glossinessMap",o)),r.push(n.assignTexture(e,"specularMap",o))}return Promise.all(r)},createMaterial:function(e){var t=new d(e);return t.fog=!0,t.color=e.color,t.map=void 0===e.map?null:e.map,t.lightMap=null,t.lightMapIntensity=1,t.aoMap=void 0===e.aoMap?null:e.aoMap,t.aoMapIntensity=1,t.emissive=e.emissive,t.emissiveIntensity=1,t.emissiveMap=void 0===e.emissiveMap?null:e.emissiveMap,t.bumpMap=void 0===e.bumpMap?null:e.bumpMap,t.bumpScale=1,t.normalMap=void 0===e.normalMap?null:e.normalMap,t.normalMapType=0,e.normalScale&&(t.normalScale=e.normalScale),t.displacementMap=null,t.displacementScale=1,t.displacementBias=0,t.specularMap=void 0===e.specularMap?null:e.specularMap,t.specular=e.specular,t.glossinessMap=void 0===e.glossinessMap?null:e.glossinessMap,t.glossiness=e.glossiness,t.alphaMap=null,t.envMap=void 0===e.envMap?null:e.envMap,t.envMapIntensity=1,t.refractionRatio=.98,t}}}function m(){this.name=n.KHR_MESH_QUANTIZATION}function g(e,t,n,i){Qo.call(this,e,t,n,i)}u.prototype.decodePrimitive=function(e,t){var n=this.json,i=this.dracoLoader,r=e.extensions[this.name].bufferView,a=e.extensions[this.name].attributes,o={},s={},l={};for(var c in a){var h=P[c]||c.toLowerCase();o[h]=a[c]}for(c in e.attributes){h=P[c]||c.toLowerCase();if(void 0!==a[c]){var u=n.accessors[e.attributes[c]],p=E[u.componentType];l[h]=p,s[h]=!0===u.normalized}}return t.getDependency("bufferView",r).then((function(e){return new Promise((function(t){i.decodeDracoFile(e,(function(e){for(var n in e.attributes){var i=e.attributes[n],r=s[n];void 0!==r&&(i.normalized=r)}t(e)}),o,l)}))}))},p.prototype.extendTexture=function(e,t){return e=e.clone(),void 0!==t.offset&&e.offset.fromArray(t.offset),void 0!==t.rotation&&(e.rotation=t.rotation),void 0!==t.scale&&e.repeat.fromArray(t.scale),void 0!==t.texCoord&&console.warn('THREE.GLTFLoader: Custom UV sets in "'+this.name+'" extension not yet supported.'),e.needsUpdate=!0,e},d.prototype=Object.create(ko.prototype),d.prototype.constructor=d,d.prototype.copy=function(e){return ko.prototype.copy.call(this,e),this.specularMap=e.specularMap,this.specular.copy(e.specular),this.glossinessMap=e.glossinessMap,this.glossiness=e.glossiness,delete this.metalness,delete this.roughness,delete this.metalnessMap,delete this.roughnessMap,this},g.prototype=Object.create(Qo.prototype),g.prototype.constructor=g,g.prototype.copySampleValue_=function(e){for(var t=this.resultBuffer,n=this.sampleValues,i=this.valueSize,r=e*i*3+i,a=0;a!==i;a++)t[a]=n[r+a];return t},g.prototype.beforeStart_=g.prototype.copySampleValue_,g.prototype.afterEnd_=g.prototype.copySampleValue_,g.prototype.interpolate_=function(e,t,n,i){for(var r=this.resultBuffer,a=this.sampleValues,o=this.valueSize,s=2*o,l=3*o,c=i-t,h=(n-t)/c,u=h*h,p=u*h,d=e*l,f=d-l,m=-2*p+3*u,g=p-u,v=1-m,y=g-u+h,x=0;x!==o;x++){var b=a[f+x+o],w=a[f+x+s]*c,_=a[d+x+o],M=a[d+x]*c;r[x]=v*b+y*w+m*_+g*M}return r};var v=0,y=1,x=2,b=3,w=4,S=5,T=6,E={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array},A={9728:1003,9729:1006,9984:1004,9985:1007,9986:1005,9987:1008},L={33071:1001,33648:1002,10497:1e3},R={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},P={POSITION:"position",NORMAL:"normal",TANGENT:"tangent",TEXCOORD_0:"uv",TEXCOORD_1:"uv2",COLOR_0:"color",WEIGHTS_0:"skinWeight",JOINTS_0:"skinIndex"},C={scale:"scale",translation:"position",rotation:"quaternion",weights:"morphTargetInfluences"},O={CUBICSPLINE:void 0,LINEAR:2301,STEP:2300},I="OPAQUE",N="MASK",z="BLEND",U={"image/png":1023,"image/jpeg":1022};function F(e,t){return"string"!=typeof e||""===e?"":(/^https?:\/\//i.test(t)&&/^\//.test(e)&&(t=t.replace(/(^https?:\/\/[^\/]+).*/i,"$1")),/^(https?:)?\/\//i.test(e)||/^data:.*,.*$/i.test(e)||/^blob:.*$/i.test(e)?e:t+e)}function B(e){return void 0===e.DefaultMaterial&&(e.DefaultMaterial=new ko({color:16777215,emissive:0,metalness:1,roughness:1,transparent:!1,depthTest:!0,side:0})),e.DefaultMaterial}function H(e,t,n){for(var i in n.extensions)void 0===e[i]&&(t.userData.gltfExtensions=t.userData.gltfExtensions||{},t.userData.gltfExtensions[i]=n.extensions[i])}function G(e,t){void 0!==t.extras&&("object"==typeof t.extras?Object.assign(e.userData,t.extras):console.warn("THREE.GLTFLoader: Ignoring primitive type .extras, "+t.extras))}function V(e,t){if(e.updateMorphTargets(),void 0!==t.weights)for(var n=0,i=t.weights.length;n=2&&r.setY(S,w[_*o+1]),o>=3&&r.setZ(S,w[_*o+2]),o>=4&&r.setW(S,w[_*o+3]),o>=5)throw new Error("THREE.GLTFLoader: Unsupported itemSize in sparse BufferAttribute.")}}return r}))},W.prototype.loadTexture=function(e){var t,i=this,r=this.json,a=this.options,o=this.textureLoader,s=self.URL||self.webkitURL,l=r.textures[e],c=l.extensions||{},h=(t=c[n.MSFT_TEXTURE_DDS]?r.images[c[n.MSFT_TEXTURE_DDS].source]:r.images[l.source]).uri,u=!1;return void 0!==t.bufferView&&(h=i.getDependency("bufferView",t.bufferView).then((function(e){u=!0;var n=new Blob([e],{type:t.mimeType});return h=s.createObjectURL(n)}))),Promise.resolve(h).then((function(e){var t=a.manager.getHandler(e);return t||(t=c[n.MSFT_TEXTURE_DDS]?i.extensions[n.MSFT_TEXTURE_DDS].ddsLoader:o),new Promise((function(n,i){t.load(F(e,a.path),n,void 0,i)}))})).then((function(n){!0===u&&s.revokeObjectURL(h),n.flipY=!1,l.name&&(n.name=l.name),t.mimeType in U&&(n.format=U[t.mimeType]);var a=(r.samplers||{})[l.sampler]||{};return n.magFilter=A[a.magFilter]||1006,n.minFilter=A[a.minFilter]||1008,n.wrapS=L[a.wrapS]||1e3,n.wrapT=L[a.wrapT]||1e3,i.associations.set(n,{type:"textures",index:e}),n}))},W.prototype.assignTexture=function(e,t,i){var r=this;return this.getDependency("texture",i.index).then((function(a){if(!a.isCompressedTexture)switch(t){case"aoMap":case"emissiveMap":case"metalnessMap":case"normalMap":case"roughnessMap":a.format=1022}if(void 0===i.texCoord||0==i.texCoord||"aoMap"===t&&1==i.texCoord||console.warn("THREE.GLTFLoader: Custom UV set "+i.texCoord+" for texture "+t+" not yet supported."),r.extensions[n.KHR_TEXTURE_TRANSFORM]){var o=void 0!==i.extensions?i.extensions[n.KHR_TEXTURE_TRANSFORM]:void 0;if(o){var s=r.associations.get(a);a=r.extensions[n.KHR_TEXTURE_TRANSFORM].extendTexture(a,o),r.associations.set(a,s)}}e[t]=a}))},W.prototype.assignFinalMaterial=function(e){var t=e.geometry,n=e.material,i=void 0!==t.attributes.tangent,r=void 0!==t.attributes.color,a=void 0===t.attributes.normal,o=!0===e.isSkinnedMesh,s=Object.keys(t.morphAttributes).length>0,l=s&&void 0!==t.morphAttributes.normal;if(e.isPoints){var c="PointsMaterial:"+n.uuid,h=this.cache.get(c);h||(h=new pa,it.prototype.copy.call(h,n),h.color.copy(n.color),h.map=n.map,h.sizeAttenuation=!1,this.cache.add(c,h)),n=h}else if(e.isLine){c="LineBasicMaterial:"+n.uuid;var u=this.cache.get(c);u||(u=new ta,it.prototype.copy.call(u,n),u.color.copy(n.color),this.cache.add(c,u)),n=u}if(i||r||a||o||s){c="ClonedMaterial:"+n.uuid+":";n.isGLTFSpecularGlossinessMaterial&&(c+="specular-glossiness:"),o&&(c+="skinning:"),i&&(c+="vertex-tangents:"),r&&(c+="vertex-colors:"),a&&(c+="flat-shading:"),s&&(c+="morph-targets:"),l&&(c+="morph-normals:");var p=this.cache.get(c);p||(p=n.clone(),o&&(p.skinning=!0),i&&(p.vertexTangents=!0),r&&(p.vertexColors=!0),a&&(p.flatShading=!0),s&&(p.morphTargets=!0),l&&(p.morphNormals=!0),this.cache.add(c,p),this.associations.set(p,this.associations.get(n))),n=p}n.aoMap&&void 0===t.attributes.uv2&&void 0!==t.attributes.uv&&t.setAttribute("uv2",t.attributes.uv),n.normalScale&&!i&&(n.normalScale.y=-n.normalScale.y),n.clearcoatNormalScale&&!i&&(n.clearcoatNormalScale.y=-n.clearcoatNormalScale.y),e.material=n},W.prototype.loadMaterial=function(e){var t,i=this,r=this.json,a=this.extensions,o=r.materials[e],s={},l=o.extensions||{},c=[];if(l[n.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS]){var h=a[n.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS];t=h.getMaterialType(),c.push(h.extendParams(s,o,i))}else if(l[n.KHR_MATERIALS_UNLIT]){var u=a[n.KHR_MATERIALS_UNLIT];t=u.getMaterialType(),c.push(u.extendParams(s,o,i))}else{t=ko;var p=o.pbrMetallicRoughness||{};if(s.color=new Ke(1,1,1),s.opacity=1,Array.isArray(p.baseColorFactor)){var f=p.baseColorFactor;s.color.fromArray(f),s.opacity=f[3]}void 0!==p.baseColorTexture&&c.push(i.assignTexture(s,"map",p.baseColorTexture)),s.metalness=void 0!==p.metallicFactor?p.metallicFactor:1,s.roughness=void 0!==p.roughnessFactor?p.roughnessFactor:1,void 0!==p.metallicRoughnessTexture&&(c.push(i.assignTexture(s,"metalnessMap",p.metallicRoughnessTexture)),c.push(i.assignTexture(s,"roughnessMap",p.metallicRoughnessTexture)))}!0===o.doubleSided&&(s.side=2);var m=o.alphaMode||I;if(m===z?(s.transparent=!0,s.depthWrite=!1):(s.transparent=!1,m===N&&(s.alphaTest=void 0!==o.alphaCutoff?o.alphaCutoff:.5)),void 0!==o.normalTexture&&t!==rt&&(c.push(i.assignTexture(s,"normalMap",o.normalTexture)),s.normalScale=new M(1,1),void 0!==o.normalTexture.scale&&s.normalScale.set(o.normalTexture.scale,o.normalTexture.scale)),void 0!==o.occlusionTexture&&t!==rt&&(c.push(i.assignTexture(s,"aoMap",o.occlusionTexture)),void 0!==o.occlusionTexture.strength&&(s.aoMapIntensity=o.occlusionTexture.strength)),void 0!==o.emissiveFactor&&t!==rt&&(s.emissive=(new Ke).fromArray(o.emissiveFactor)),void 0!==o.emissiveTexture&&t!==rt&&c.push(i.assignTexture(s,"emissiveMap",o.emissiveTexture)),l[n.KHR_MATERIALS_CLEARCOAT]){var g=a[n.KHR_MATERIALS_CLEARCOAT];t=g.getMaterialType(),c.push(g.extendParams(s,{extensions:l},i))}return Promise.all(c).then((function(){var r;return r=t===d?a[n.KHR_MATERIALS_PBR_SPECULAR_GLOSSINESS].createMaterial(s):new t(s),o.name&&(r.name=o.name),r.map&&(r.map.encoding=3001),r.emissiveMap&&(r.emissiveMap.encoding=3001),G(r,o),i.associations.set(r,{type:"materials",index:e}),o.extensions&&H(a,r,o),r}))},W.prototype.loadGeometries=function(e){var t=this,i=this.extensions,r=this.primitiveCache;function a(e){return i[n.KHR_DRACO_MESH_COMPRESSION].decodePrimitive(e,t).then((function(n){return q(n,e,t)}))}for(var o,s,l=[],c=0,h=e.length;c0&&V(h,n),h.name=n.name||"mesh_"+e,o.length>1&&(h.name+="_"+l),G(h,n),t.assignFinalMaterial(h),s.push(h)}if(1===s.length)return s[0];var f=new ur;for(l=0,c=s.length;l1){var n=s[l.mesh]++;(t=e.clone()).name+="_instance_"+n}else t=e;return void 0!==l.weights&&t.traverse((function(e){if(e.isMesh)for(var t=0,n=l.weights.length;t1?new ur:1===t.length?t[0]:new oe)!==t[0])for(var i=0,o=t.length;i=this[yh];--e){const t=this[gh][e];0===this[mh].get(t)&&(this[xh].delete(t),this[gh].splice(e,1))}}} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */var wh,_h;const Mh=new Map,Sh=new Map;let Th;const Eh=new uh,Ah=Symbol("loader"),Lh=Symbol("evictionPolicy"),Rh=Symbol("GLTFInstance");class Ph extends y{constructor(e){super(),this[_h]=new fh,this[Rh]=e,this[Ah].setDRACOLoader(Eh)}static setDRACODecoderLocation(e){Th=e,Eh.setDecoderPath(e)}static getDRACODecoderLocation(){return Th}static get cache(){return Mh}static clearCache(){Mh.forEach((e,t)=>{this.delete(t)}),this[Lh].reset()}static has(e){return Mh.has(e)}static async delete(e){if(!this.has(e))return;const t=Mh.get(e);Sh.delete(e),Mh.delete(e);(await t).dispose()}static hasFinishedLoading(e){return!!Sh.get(e)}get[(wh=Lh,_h=Ah,Lh)](){return this.constructor[Lh]}async preload(e,t,n=(()=>{})){if(this.dispatchEvent({type:"preload",element:t,src:e}),!Mh.has(e)){const t=((e,t,n=(()=>{}))=>{const i=e=>{n(Math.max(0,Math.min(1,e.loaded/e.total)))};return new Promise((n,r)=>{t.load(e,n,i,r)})})(e,this[Ah],e=>{n(.8*e)}),i=this[Rh],r=t.then(e=>i.prepare(e)).then(e=>(n(.9),new i(e)));Mh.set(e,r)}await Mh.get(e),Sh.set(e,!0),n&&n(1)}async load(e,t,n=(()=>{})){await this.preload(e,t,n);const i=await Mh.get(e),r=await i.clone();return this[Lh].retain(e),r.dispose=(()=>{const t=r.dispose;let n=!1;return()=>{n||(n=!0,t.apply(r),this[Lh].release(e))}})(),r}} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var Ch;Ph[wh]=new bh(Ph);const Oh=Symbol("velocity");class Ih{constructor(){this[Ch]=0}update(e,t,n,i){if(null==e||0===i)return t;if(e===t&&0===this[Oh])return t;if(n<0)return e;const r=e-t,a=this[Oh]+.02*r,o=r+n*a,s=Math.exp(-.02*n),l=(a-.02*o)*s,c=-.02*(l+a*s);return Math.abs(l)<2e-4*.02*Math.abs(i)&&c*r>=0?(this[Oh]=0,t):(this[Oh]=l,t+o*s)}}Ch=Oh;var Dh=function(e){oe.call(this),this.element=e,this.element.style.position="absolute",this.addEventListener("removed",(function(){this.traverse((function(e){e.element instanceof Element&&null!==e.element.parentNode&&e.element.parentNode.removeChild(e.element)}))}))};(Dh.prototype=Object.create(oe.prototype)).constructor=Dh;var Nh=function(){var e,t,n,i,r=this,a=new D,o=new k,s=new k,l={objects:new WeakMap},c=document.createElement("div");c.style.overflow="hidden",this.domElement=c,this.getSize=function(){return{width:e,height:t}},this.setSize=function(r,a){n=(e=r)/2,i=(t=a)/2,c.style.width=r+"px",c.style.height=a+"px"};var h,u,p=function(e,t,o){if(e instanceof Dh){e.onBeforeRender(r,t,o),a.setFromMatrixPosition(e.matrixWorld),a.applyMatrix4(s);var h=e.element,u="translate(-50%,-50%) translate("+(a.x*n+n)+"px,"+(-a.y*i+i)+"px)";h.style.WebkitTransform=u,h.style.MozTransform=u,h.style.oTransform=u,h.style.transform=u,h.style.display=e.visible&&a.z>=-1&&a.z<=1?"":"none";var f={distanceToCameraSquared:d(o,e)};l.objects.set(e,f),h.parentNode!==c&&c.appendChild(h),e.onAfterRender(r,t,o)}for(var m=0,g=e.children.length;m({type:"number",number:e,unit:t}),Uh=(()=>{const e={};return t=>{const n=t;if(n in e)return e[n];const i=[];let r=0;for(;t;){if(++r>1e3){t="";break}const e=Fh(t),n=e.nodes[0];if(null==n||0===n.terms.length)break;i.push(n),t=e.remainingInput}return e[n]=i}})(),Fh=(()=>{const e=/^(\-\-|[a-z\u0240-\uffff])/i,t=/^([\*\+\/]|[\-]\s)/i,n=/^[\),]/;return i=>{const r=[];for(;i.length&&(i=i.trim(),!n.test(i));)if("("===i[0]){const{nodes:e,remainingInput:t}=kh(i);i=t,r.push({type:"function",name:{type:"ident",value:"calc"},arguments:e})}else if(e.test(i)){const e=Bh(i),t=e.nodes[0];if("("===(i=e.remainingInput)[0]){const{nodes:e,remainingInput:n}=kh(i);r.push({type:"function",name:t,arguments:e}),i=n}else r.push(t)}else if(t.test(i))r.push({type:"operator",value:i[0]}),i=i.slice(1);else{const{nodes:e,remainingInput:t}="#"===i[0]?Gh(i):Hh(i);if(0===e.length)break;r.push(e[0]),i=t}return{nodes:[{type:"expression",terms:r}],remainingInput:i}}})(),Bh=(()=>{const e=/[^a-z^0-9^_^\-^\u0240-\uffff]/i;return t=>{const n=t.match(e);return{nodes:[{type:"ident",value:null==n?t:t.substr(0,n.index)}],remainingInput:null==n?"":t.substr(n.index)}}})(),Hh=(()=>{const e=/[\+\-]?(\d+[\.]\d+|\d+|[\.]\d+)([eE][\+\-]?\d+)?/,t=/^[a-z%]+/i,n=/^(m|mm|cm|rad|deg|[%])$/;return i=>{const r=i.match(e),a=null==r?"0":r[0],o=(i=null==a?i:i.slice(a.length)).match(t);let s=null!=o&&""!==o[0]?o[0]:null;const l=null==o?i:i.slice(s.length);return null==s||n.test(s)||(s=null),{nodes:[{type:"number",number:parseFloat(a)||0,unit:s}],remainingInput:l}}})(),Gh=(()=>{const e=/^[a-f0-9]*/i;return t=>{const n=(t=t.slice(1).trim()).match(e);return{nodes:null==n?[]:[{type:"hex",value:n[0]}],remainingInput:null==n?t:t.slice(n[0].length)}}})(),kh=e=>{const t=[];for(e=e.slice(1).trim();e.length;){const n=Fh(e);if(t.push(n.nodes[0]),","===(e=n.remainingInput.trim())[0])e=e.slice(1).trim();else if(")"===e[0]){e=e.slice(1);break}}return{nodes:t,remainingInput:e}},Vh=Symbol("visitedTypes");class jh{constructor(e){this[Vh]=e}walk(e,t){const n=e.slice();for(;n.length;){const e=n.shift();switch(this[Vh].indexOf(e.type)>-1&&t(e),e.type){case"expression":n.unshift(...e.terms);break;case"function":n.unshift(e.name,...e.arguments)}}}}const Wh=Object.freeze({type:"number",number:0,unit:null}),qh=(e,t=0)=>{let{number:n,unit:i}=e;if(isFinite(n)){if("rad"===e.unit||null==e.unit)return e}else n=t,i="rad";return{type:"number",number:("deg"===i&&null!=n?n:0)*Math.PI/180,unit:"rad"}},Xh=(e,t=0)=>{let n,{number:i,unit:r}=e;if(isFinite(i)){if("m"===e.unit)return e}else i=t,r="m";switch(r){default:n=1;break;case"cm":n=.01;break;case"mm":n=.001}return{type:"number",number:n*i,unit:"m"}},Yh=(()=>{const e=e=>e,t={rad:e,deg:qh,m:e,mm:Xh,cm:Xh};return(e,n=Wh)=>{let{number:i,unit:r}=e;if(isFinite(i)||(i=n.number,r=n.unit),null==r)return e;const a=t[r];return null==a?n:a(e)}})(); /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var Jh,Zh,Kh,Qh;const $h=Symbol("slot"),eu=Symbol("pivot"),tu=Symbol("referenceCount"),nu=Symbol("updateVisibility"),iu=Symbol("visible");class ru extends Dh{constructor(e){super(document.createElement("div")),this.normal=new D(0,1,0),this[Jh]=!1,this[Zh]=1,this[Kh]=document.createElement("div"),this[Qh]=document.createElement("slot"),this.element.classList.add("annotation-wrapper"),this[$h].name=e.name,this.element.appendChild(this[eu]),this[eu].appendChild(this[$h]),this.updatePosition(e.position),this.updateNormal(e.normal)}show(){this[iu]||(this[iu]=!0,this[nu]())}hide(){this[iu]&&(this[iu]=!1,this[nu]())}increment(){this[tu]++}decrement(){return this[tu]>0&&--this[tu],0===this[tu]}updatePosition(e){if(null==e)return;const t=Uh(e)[0].terms;for(let e=0;e<3;++e)this.position.setComponent(e,Yh(t[e]).number)}updateNormal(e){if(null==e)return;const t=Uh(e)[0].terms;for(let e=0;e<3;++e)this.normal.setComponent(e,Yh(t[e]).number)}orient(e){this[eu].style.transform=`rotate(${e}rad)`}[(Jh=iu,Zh=tu,Kh=eu,Qh=$h,nu)](){this[iu]?this.element.classList.remove("hide"):this.element.classList.add("hide"),this[$h].assignedNodes().forEach(e=>{if(e.nodeType!==Node.ELEMENT_NODE)return;const t=e,n=t.dataset.visibilityAttribute;if(null!=n){const e="data-"+n;this[iu]?t.setAttribute(e,""):t.removeAttribute(e)}t.dispatchEvent(new CustomEvent("hotspot-visibility",{detail:{visible:this[iu]}}))})}} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */const au=(e,t)=>{let n=0;const i=new D;return e.traverse(e=>{let r,a;e.updateWorldMatrix(!1,!1);let o=e.geometry;if(void 0!==o)if(o.isGeometry){let s=o.vertices;for(r=0,a=s.length;r0,this.boundingBox.copy(e.boundingBox),this.size.copy(e.size);const{boundingBox:n,size:i}=this;if(this.isAnimated){const e=2*Math.max(i.x,i.y,i.z);i.y=e,n.expandByVector(i.subScalar(e).multiplyScalar(-.5)),n.max.y=n.min.y+e,i.set(e,e,e)}const r=.001*i.y;this.position.y=n.max.y+r,n.getCenter(this.floor.position),this.setSoftness(t)}setSoftness(e){const t=Math.pow(2,9-3*e);this.setMapSize(t)}setMapSize(e){const{camera:t,mapSize:n,map:i}=this.shadow,{size:r,boundingBox:a}=this;null!=i&&(i.dispose(),this.shadow.map=null),this.isAnimated&&(e*=2);const o=Math.floor(r.x>r.z?e:e*r.x/r.z),s=Math.floor(r.x>r.z?e*r.z/r.x:e);n.set(o,s);const l=2.5*r.x/o,c=2.5*r.z/s;t.left=-a.max.x-l,t.right=-a.min.x+l,t.bottom=a.min.z-c,t.top=a.max.z+c,this.setScaleAndOffset(t.zoom,0),this.shadow.updateMatrices(this),this.floor.scale.set(r.x+2*l,r.z+2*c,1),this.needsUpdate=!0}setIntensity(e){this.shadowMaterial.opacity=e,e>0?(this.visible=!0,this.floor.visible=!0):(this.visible=!1,this.floor.visible=!1)}getIntensity(){return this.shadowMaterial.opacity}setRotation(e){this.shadow.camera.up.set(Math.sin(e),0,Math.cos(e)),this.shadow.updateMatrices(this)}setScaleAndOffset(e,t){const n=this.size.y,i=1/e,r=.001*n;this.floor.position.y=2*r-n+t*i;const{camera:a}=this.shadow;a.zoom=e,a.near=0,a.far=n*e-t,a.projectionMatrix.makeOrthographic(a.left*e,a.right*e,a.top*e,a.bottom*e,a.near,a.far),a.projectionMatrixInverse.getInverse(a.projectionMatrix)}} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */var su,lu;const cu=22.5*Math.PI/180,hu=Math.sin(cu),uu=Math.tan(cu),pu=Symbol("shadow"),du=Symbol("cancelPendingSourceChange"),fu=Symbol("currentGLTF"),mu=new D,gu=new D,vu=new D;class yu extends oe{constructor(){super(),this[su]=null,this[lu]=null,this.animationsByName=new Map,this.currentAnimationAction=null,this.animations=[],this.modelContainer=new oe,this.animationNames=[],this.boundingBox=new we,this.size=new D,this.idealCameraDistance=0,this.fieldOfViewAspect=0,this.userData={url:null},this.url=null,this.name="Model",this.modelContainer.name="ModelContainer",this.add(this.modelContainer),this.mixer=new tc(this.modelContainer)}get currentGLTF(){return this[fu]}hasModel(){return!!this.modelContainer.children.length}setObject(e){this.clear(),this.modelContainer.add(e),this.updateFraming(),this.dispatchEvent({type:"model-load"})}async setSource(e,t,n){if(!t||t===this.url)return void(n&&n(1));let i;null!=this[du]&&(this[du](),this[du]=null),this.url=t;try{i=await new Promise(async(i,r)=>{this[du]=()=>r();try{i(await e[dm].loader.load(t,e,n))}catch(e){r(e)}})}catch(e){if(null==e)return;throw e}this.clear(),this[fu]=i,null!=i&&this.modelContainer.add(i.scene);const{animations:r}=i,a=new Map,o=[];for(const e of r)a.set(e.name,e),o.push(e.name);this.animations=r,this.animationsByName=a,this.animationNames=o,this.userData.url=t,this.updateFraming(),this.dispatchEvent({type:"model-load",url:t})}set animationTime(e){this.mixer.setTime(e)}get animationTime(){return null!=this.currentAnimationAction?this.currentAnimationAction.time:0}get hasActiveAnimation(){return null!=this.currentAnimationAction}playAnimation(e=null,t=0){const{animations:n}=this;if(null==n||0===n.length)return void console.warn("Cannot play animation (model does not have any animations)");let i=null;null!=e&&(i=this.animationsByName.get(e)),null==i&&(i=n[0]);try{const{currentAnimationAction:e}=this;this.currentAnimationAction=this.mixer.clipAction(i,this).play(),this.currentAnimationAction.enabled=!0,null!=e&&this.currentAnimationAction!==e&&this.currentAnimationAction.crossFadeFrom(e,t,!1)}catch(e){console.error(e)}}stopAnimation(){null!=this.currentAnimationAction&&(this.currentAnimationAction.stop(),this.currentAnimationAction.reset(),this.currentAnimationAction=null),this.mixer.stopAllAction()}updateAnimation(e){this.mixer.update(e)}clear(){this.url=null,this.userData={url:null};const e=this[fu];if(null!=e){for(const e of this.modelContainer.children)this.modelContainer.remove(e);e.dispose(),this[fu]=null}null!=this.currentAnimationAction&&(this.currentAnimationAction.stop(),this.currentAnimationAction=null),this.mixer.stopAllAction(),this.mixer.uncacheRoot(this)}updateFraming(e=null){this.remove(this.modelContainer),null==e&&(this.boundingBox.setFromObject(this.modelContainer),this.boundingBox.getSize(this.size),e=this.boundingBox.getCenter(new D));const t=Math.sqrt(au(this.modelContainer,(t,n)=>Math.max(t,e.distanceToSquared(n))));this.idealCameraDistance=t/hu;this.fieldOfViewAspect=au(this.modelContainer,(t,n)=>{n.sub(e);const i=Math.sqrt(n.x*n.x+n.z*n.z);return Math.max(t,i/(this.idealCameraDistance-Math.abs(n.y)))})/uu,this.add(this.modelContainer)}setShadowIntensity(e,t){let n=this[pu];null!=n?(n.setIntensity(e),n.setModel(this,t)):e>0&&(n=new ou(this,t),n.setIntensity(e),this[pu]=n)}setShadowSoftness(e){const t=this[pu];null!=t&&t.setSoftness(e)}setShadowRotation(e){const t=this[pu];null!=t&&t.setRotation(e)}updateShadow(){const e=this[pu];if(null==e)return!1;{const{needsUpdate:t}=e;return e.needsUpdate=!1,t}}setShadowScaleAndOffset(e,t){const n=this[pu];null!=n&&n.setScaleAndOffset(e,t)}addHotspot(e){this.add(e)}removeHotspot(e){this.remove(e)}forHotspots(e){const{children:t}=this;for(let n=0,i=t.length;n{mu.copy(e),gu.setFromMatrixPosition(t.matrixWorld),mu.sub(gu),vu.copy(t.normal).transformDirection(this.matrixWorld),mu.dot(vu)<0?t.hide():t.show()})}orientHotspots(e){this.forHotspots(t=>{t.orient(e)})}setHotspotsVisibility(e){this.forHotspots(t=>{t.visible=e})}}su=pu,lu=fu; /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ const xu=Math.tan(22.5*Math.PI/180),bu=new rc,wu=new D;class _u extends se{constructor({canvas:e,element:t,width:n,height:i}){super(),this.aspect=1,this.shadowIntensity=0,this.shadowSoftness=1,this.width=1,this.height=1,this.isDirty=!1,this.context=null,this.exposure=1,this.canScale=!0,this.framedFieldOfView=45,this.camera=new rn(45,1,.1,100),this.goalTarget=new D,this.targetDamperX=new Ih,this.targetDamperY=new Ih,this.targetDamperZ=new Ih,this.name="ModelScene",this.element=t,this.canvas=e,this.model=new yu,this.camera=new rn(45,1,.1,100),this.camera.name="MainCamera",this.activeCamera=this.camera,this.add(this.model),this.setSize(n,i),this.model.addEventListener("model-load",e=>this.onModelLoad(e))}createContext(){this.context=this.canvas.getContext("2d")}async setModelSource(e,t){try{await this.model.setSource(this.element,e,t)}catch(t){throw new Error(`Could not set model source to '${e}': ${t.message}`)}}setSize(e,t){this.width===e&&this.height===t||(this.width=Math.max(e,1),this.height=Math.max(t,1),this.aspect=this.width/this.height,this.frameModel(),this.isDirty=!0)}frameModel(){const e=xu*Math.max(1,this.model.fieldOfViewAspect/this.aspect);this.framedFieldOfView=2*Math.atan(e)*180/Math.PI}getSize(){return{width:this.width,height:this.height}}getCamera(){return this.activeCamera}setCamera(e){this.activeCamera=e}onModelLoad(e){this.frameModel(),this.setShadowIntensity(this.shadowIntensity),this.isDirty=!0,this.dispatchEvent({type:"model-load",url:e.url})}setTarget(e,t,n){this.goalTarget.set(-e,-t,-n)}getTarget(){return wu.copy(this.goalTarget).multiplyScalar(-1)}jumpToGoal(){this.updateTarget(1e4)}updateTarget(e){const t=this.goalTarget,n=this.model.position;if(!t.equals(n)){const i=this.model.idealCameraDistance;let{x:r,y:a,z:o}=n;r=this.targetDamperX.update(r,t.x,e,i),a=this.targetDamperY.update(a,t.y,e,i),o=this.targetDamperZ.update(o,t.z,e,i),this.model.position.set(r,a,o),this.isDirty=!0}}pointTowards(e,t){const{x:n,z:i}=this.position;this.yaw=Math.atan2(e-n,t-i)}set yaw(e){this.rotation.y=e,this.model.setShadowRotation(e),this.isDirty=!0}get yaw(){return this.rotation.y}setShadowIntensity(e){e=Math.max(e,0),this.shadowIntensity=e,this.model.hasModel()&&this.model.setShadowIntensity(e,this.shadowSoftness)}setShadowSoftness(e){this.shadowSoftness=e,this.model.setShadowSoftness(e)}positionAndNormalFromPoint(e,t=this){bu.setFromCamera(e,this.getCamera());const n=bu.intersectObject(t,!0);if(0===n.length)return null;const i=n[0];return null==i.face?null:{position:i.point,normal:i.face.normal}}}var Mu,Su=((Mu=new Go({uniforms:{roughnessMap:{value:null},normalMap:{value:null},texelSize:{value:new M(1,1)}},vertexShader:"\nprecision mediump float;\nprecision mediump int;\nattribute vec3 position;\nattribute vec2 uv;\nvarying vec2 vUv;\nvoid main() {\n vUv = uv;\n gl_Position = vec4( position, 1.0 );\n}\n ",fragmentShader:"\nprecision mediump float;\nprecision mediump int;\nvarying vec2 vUv;\nuniform sampler2D roughnessMap;\nuniform sampler2D normalMap;\nuniform vec2 texelSize;\n\n#define ENVMAP_TYPE_CUBE_UV\nvec4 envMapTexelToLinear(vec4 a){return a;}\n#include \n\nfloat roughnessToVariance(float roughness) {\nfloat variance = 0.0;\nif (roughness >= r1) {\n variance = (r0 - roughness) * (v1 - v0) / (r0 - r1) + v0;\n} else if (roughness >= r4) {\n variance = (r1 - roughness) * (v4 - v1) / (r1 - r4) + v1;\n} else if (roughness >= r5) {\n variance = (r4 - roughness) * (v5 - v4) / (r4 - r5) + v4;\n} else {\n float roughness2 = roughness * roughness;\n variance = 1.79 * roughness2 * roughness2;\n}\nreturn variance;\n}\nfloat varianceToRoughness(float variance) {\nfloat roughness = 0.0;\nif (variance >= v1) {\n roughness = (v0 - variance) * (r1 - r0) / (v0 - v1) + r0;\n} else if (variance >= v4) {\n roughness = (v1 - variance) * (r4 - r1) / (v1 - v4) + r1;\n} else if (variance >= v5) {\n roughness = (v4 - variance) * (r5 - r4) / (v4 - v5) + r4;\n} else {\n roughness = pow(0.559 * variance, 0.25);// 0.559 = 1.0 / 1.79\n}\nreturn roughness;\n}\n\nvoid main() {\n gl_FragColor = texture2D(roughnessMap, vUv, -1.0);\n if (texelSize.x == 0.0) return;\n float roughness = gl_FragColor.g;\n float variance = roughnessToVariance(roughness);\n vec3 avgNormal;\n for (float x = -1.0; x < 2.0; x += 2.0) {\n for (float y = -1.0; y < 2.0; y += 2.0) {\n vec2 uv = vUv + vec2(x, y) * 0.25 * texelSize;\n avgNormal += normalize(texture2D(normalMap, uv, -1.0).xyz - 0.5);\n }\n }\n variance += 1.0 - 0.25 * length(avgNormal);\n gl_FragColor.g = varianceToRoughness(variance);\n}\n",blending:0,depthTest:!1,depthWrite:!1})).type="RoughnessMipmapper",Mu),Tu=new Vt(new mn(2,2),Su),Eu=new el(0,1,0,1,0,1),Au=null,Lu=null;function Ru(e){(Lu=e).compile(Tu,Eu)}Ru.prototype={constructor:Ru,generateMipmaps:function(e){var{roughnessMap:t,normalMap:n}=e;if(null!=t&&null!=n&&t.generateMipmaps&&!e.userData.roughnessUpdated){e.userData.roughnessUpdated=!0;var i=Math.max(t.image.width,n.image.width),r=Math.max(t.image.height,n.image.height);if(_.isPowerOfTwo(i)&&_.isPowerOfTwo(r)){var a=Lu.getRenderTarget(),o=Lu.autoClear;if(Lu.autoClear=!1,null!=Au&&Au.width===i&&Au.height===r||(null!=Au&&Au.dispose(),(Au=new R(i,r,{depthBuffer:!1,stencilBuffer:!1})).scissorTest=!0),i!==t.image.width||r!==t.image.height){var s=new R(i,r,{minFilter:1008,depthBuffer:!1,stencilBuffer:!1});s.texture.generateMipmaps=!0,Lu.setRenderTarget(s),e.roughnessMap=s.texture,e.metalnessMap==t&&(e.metalnessMap=e.roughnessMap),e.aoMap==t&&(e.aoMap=e.roughnessMap)}Su.uniforms.roughnessMap.value=t,Su.uniforms.normalMap.value=n;for(var l=new M(0,0),c=Su.uniforms.texelSize.value,h=0;i>=1&&r>=1;++h,i/=2,r/=2)c.set(1/i,1/r),0==h&&c.set(0,0),Au.viewport.set(l.x,l.y,i,r),Au.scissor.set(l.x,l.y,i,r),Lu.setRenderTarget(Au),Lu.render(Tu,Eu),Lu.copyFramebufferToTexture(l,e.roughnessMap,h),Su.uniforms.roughnessMap.value=e.roughnessMap;t!==e.roughnessMap&&t.dispose(),Lu.setRenderTarget(a),Lu.autoClear=o}}},dispose:function(){Su.dispose(),Tu.geometry.dispose(),null!=Au&&Au.dispose()}}; /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ const Pu=e=>null!=e&&"null"!==e?Ou(e):null,Cu=()=>{if(h)return;const e=[];throw o||e.push("WebXR Device API"),s||e.push("WebXR Hit Test API"),new Error("The following APIs are required for AR, but are missing in this browser: "+e.join(", "))},Ou=e=>new URL(e,window.location.toString()).toString(),Iu=(e,t)=>{let n=null;return(...i)=>{null!=n&&self.clearTimeout(n),n=self.setTimeout(()=>{n=null,e(...i)},t)}},Du=(e,t,n)=>Math.max(t,Math.min(n,e)),Nu=(()=>{const e=(()=>{const e=null!=document.head?Array.from(document.head.querySelectorAll("meta")):[];for(const t of e)if("viewport"===t.name)return!0;return!1})();return e||console.warn('No detected; will cap pixel density at 1.'),()=>e?window.devicePixelRatio:1})(),zu=(()=>{const e=new RegExp("[?&]model-viewer-debug-mode(&|$)");return()=>self.ModelViewerElement&&self.ModelViewerElement.debugMode||self.location&&self.location.search&&self.location.search.match(e)})(),Uu=Math.PI/24,Fu=new M,Bu=(e,t,n)=>{let i=t>0?n>0?0:-Math.PI/2:n>0?Math.PI/2:Math.PI;for(let r=0;r<=12;++r)e.push(t+.17*Math.cos(i),n+.17*Math.sin(i),0,t+.2*Math.cos(i),n+.2*Math.sin(i),0),i+=Uu};class Hu extends Vt{constructor(e){const t=new Tt,n=[],i=[],{size:r,boundingBox:a}=e,o=r.x/2,s=r.z/2;Bu(i,o,s),Bu(i,-o,s),Bu(i,-o,-s),Bu(i,o,-s);const l=i.length/3;for(let e=0;e0}dispose(){const{geometry:e,material:t}=this.hitPlane;e.dispose(),t.dispose(),this.geometry.dispose(),this.material.dispose()}} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */const Gu=e=>{if(null==e)throw new Error("WebGL is not available!");return e},ku=e=>{const t={EXT_shader_texture_lod:"\n #extension GL_EXT_shader_texture_lod : enable\n precision mediump float;\n uniform sampler2D tex;\n void main() {\n gl_FragColor = texture2DLodEXT(tex, vec2(0.0, 0.0), 0.0);\n }"};const n=e.getExtension;e.getExtension=i=>{let r;return t[i]?(r=n.call(e,i),r&&!function(e,n){const i=e.createShader(e.FRAGMENT_SHADER);e.shaderSource(i,t[n]),e.compileShader(i);const r=e.getShaderParameter(i,e.COMPILE_STATUS);return e.deleteShader(i),r}(e,i)&&(r=null)):r=n.call(e,i),r}}; /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var Vu,ju,Wu,qu,Xu,Yu,Ju,Zu,Ku,Qu,$u,ep,tp,np,ip,rp,ap,op,sp,lp,cp,hp,up,pp,dp,fp,mp,gp,vp,yp,xp,bp,wp,_p,Mp,Sp,Tp;const Ep="not-presenting",Ap="session-started",Lp="object-placed",Rp=Symbol("presentedScene"),Pp=Symbol("placementBox"),Cp=Symbol("lastTick"),Op=Symbol("turntableRotation"),Ip=Symbol("oldShadowIntensity"),Dp=Symbol("oldBackground"),Np=Symbol("rafId"),zp=Symbol("currentSession"),Up=Symbol("tick"),Fp=Symbol("refSpace"),Bp=Symbol("viewerRefSpace"),Hp=Symbol("frame"),Gp=Symbol("initialized"),kp=Symbol("initialModelToWorld"),Vp=Symbol("placementComplete"),jp=Symbol("hitTestSource"),Wp=Symbol("transiertHitTestSource"),qp=Symbol("inputSource"),Xp=Symbol("isTranslating"),Yp=Symbol("isRotating"),Jp=Symbol("isScaling"),Zp=Symbol("lastDragPosition"),Kp=Symbol("lastScalar"),Qp=Symbol("goalPosition"),$p=Symbol("goalYaw"),ed=Symbol("goalScale"),td=Symbol("xDamper"),nd=Symbol("yDamper"),id=Symbol("zDamper"),rd=Symbol("yawDamper"),ad=Symbol("scaleDamper"),od=Symbol("damperRate"),sd=Symbol("resolveCleanup"),ld=Symbol("exitWebXRButtonContainer"),cd=Symbol("onWebXRFrame"),hd=Symbol("postSessionCleanup"),ud=Symbol("updateCamera"),pd=Symbol("placeInitially"),dd=Symbol("getHitPoint"),fd=Symbol("onSelectStart"),md=Symbol("onSelect"),gd=Symbol("onUpdateScene"),vd=Symbol("fingerSeparation"),yd=Symbol("processInput"),xd=Symbol("moveScene"),bd=Symbol("onExitWebXRButtonContainerClick"),wd=new D,_d=new k,Md=new D;class Sd extends y{constructor(e){super(),this.renderer=e,this.camera=new rn,this[Vu]=null,this[ju]=null,this[Wu]=null,this[qu]=null,this[Xu]=null,this[Yu]=null,this[Ju]=null,this[Zu]=null,this[Ku]=null,this[Qu]=null,this[$u]=null,this[ep]=null,this[tp]=null,this[np]=null,this[ip]=null,this[rp]=null,this[ap]=!1,this[op]=new k,this[sp]=!1,this[lp]=!1,this[cp]=!1,this[hp]=!1,this[up]=new D,this[pp]=0,this[dp]=new D,this[fp]=0,this[mp]=1,this[gp]=new Ih,this[vp]=new Ih,this[yp]=new Ih,this[xp]=new Ih,this[bp]=new Ih,this[wp]=1,this[_p]=()=>this.stopPresenting(),this[Mp]=()=>{null!=this[Pp]&&this.isPresenting&&(this[Pp].dispose(),this[Pp]=new Hu(this[Rp].model))},this[Sp]=e=>{const t=this[Wp];if(null==t)return;const n=this[Hp].getHitTestResultsForTransientInput(t),i=this[Rp],r=this[Pp];if(1===n.length){this[qp]=e.inputSource;const{axes:t}=this[qp].gamepad,n=r.getHit(this[Rp],t[0],t[1]);r.show=!0,null!=n?(this[Xp]=!0,this[Zp].copy(n)):(this[Yp]=!0,this[Kp]=t[0])}else 2===n.length&&i.canScale&&(r.show=!0,this[Jp]=!0,this[Kp]=this[vd](n)/i.scale.x)},this[Tp]=()=>{this[Xp]=!1,this[Yp]=!1,this[Jp]=!1,this[qp]=null,this[Qp].y+=this[Pp].offsetHeight*this[Rp].scale.x,this[Pp].show=!1},this.threeRenderer=e.threeRenderer,this.camera.matrixAutoUpdate=!1}async resolveARSession(e){Cu();const t=await navigator.xr.requestSession("immersive-ar",{requiredFeatures:["hit-test"],optionalFeatures:["dom-overlay"],domOverlay:{root:e.element.shadowRoot.querySelector("div.annotation-container")}}),n=Gu(this.renderer.context3D);await n.makeXRCompatible(),t.updateRenderState({baseLayer:new XRWebGLLayer(t,n,{alpha:!0})});let i=new Promise((e,n)=>{t.requestAnimationFrame(()=>e())});await i,e.element[pm](window.screen);const{framebuffer:r,framebufferWidth:a,framebufferHeight:o}=t.renderState.baseLayer;this.threeRenderer.setFramebuffer(r),this.threeRenderer.setPixelRatio(1),this.threeRenderer.setSize(a,o,!1);const s=e.element.shadowRoot.querySelector(".slot.exit-webxr-ar-button");return s.classList.add("enabled"),s.addEventListener("click",this[bd]),this[ld]=s,t}get presentedScene(){return this[Rp]}async supportsPresentation(){try{return Cu(),await navigator.xr.isSessionSupported("immersive-ar")}catch(e){return!1}}async present(e){this.isPresenting&&console.warn("Cannot present while a model is already presenting");let t=new Promise((e,t)=>{requestAnimationFrame(()=>e())});e.model.setHotspotsVisibility(!1),e.isDirty=!0,await t,this[Rp]=e;const n=await this.resolveARSession(e);n.addEventListener("end",()=>{this[hd]()},{once:!0}),this[Fp]=await n.requestReferenceSpace("local"),this[Bp]=await n.requestReferenceSpace("viewer"),e.setCamera(this.camera),this[Gp]=!1,this[od]=.4,this[Op]=e.yaw,e.yaw=0,this[$p]=0,this[ed]=1,this[Dp]=e.background,e.background=null,this[Ip]=e.shadowIntensity,e.setShadowIntensity(0),e.addEventListener("model-load",this[gd]);const i=20*Math.PI/180,r=new XRRay(new DOMPoint(0,0,0),{x:0,y:-Math.sin(i),z:-Math.cos(i)});n.requestHitTestSource({space:this[Bp],offsetRay:r}).then(e=>{this[jp]=e}),this[zp]=n,this[Pp]=new Hu(e.model),this[Vp]=!1,this[Cp]=performance.now(),this[Up]()}async stopPresenting(){if(!this.isPresenting)return;const e=new Promise(e=>{this[sd]=e});try{await this[zp].end(),await e}catch(e){console.warn("Error while trying to end AR session"),console.warn(e),this[hd]()}}[(Vu=Pp,ju=Cp,Wu=Op,qu=Ip,Xu=Dp,Yu=Np,Ju=zp,Zu=Fp,Ku=Bp,Qu=Hp,$u=jp,ep=Wp,tp=qp,np=Rp,ip=sd,rp=ld,ap=Gp,op=kp,sp=Vp,lp=Xp,cp=Yp,hp=Jp,up=Zp,pp=Kp,dp=Qp,fp=$p,mp=ed,gp=td,vp=nd,yp=id,xp=rd,bp=ad,wp=od,_p=bd,hd)](){this.threeRenderer.setFramebuffer(null);const e=this[zp];null!=e&&(e.removeEventListener("selectstart",this[fd]),e.removeEventListener("selectend",this[md]),e.cancelAnimationFrame(this[Np]),this[zp]=null);const t=this[Rp];if(null!=t){const{model:e,element:n}=t;t.setCamera(t.camera),e.remove(this[Pp]),t.position.set(0,0,0),t.scale.set(1,1,1),e.setShadowScaleAndOffset(1,0);const i=this[Op];null!=i&&(t.yaw=i);const r=this[Ip];null!=r&&t.setShadowIntensity(r);const a=this[Dp];null!=a&&(t.background=a),t.removeEventListener("model-load",this[gd]),e.orientHotspots(0),n.requestUpdate("cameraTarget"),n[pm](n.getBoundingClientRect())}this.renderer.height=0;const n=this[ld];null!=n&&(n.classList.remove("enabled"),n.removeEventListener("click",this[bd]),this[ld]=null);const i=this[Wp];null!=i&&(i.cancel(),this[Wp]=null);const r=this[jp];null!=r&&(r.cancel(),this[jp]=null),null!=this[Pp]&&(this[Pp].dispose(),this[Pp]=null),this[Cp]=null,this[Op]=null,this[Ip]=null,this[Dp]=null,this[Np]=null,this[Fp]=null,this[Rp]=null,this[Bp]=null,this[Hp]=null,this[qp]=null,null!=this[sd]&&this[sd](),this.dispatchEvent({type:"status",status:Ep})}get isPresenting(){return null!=this[Rp]}updateTarget(){const e=this[Rp];if(null!=e){const t=e.getTarget();e.setTarget(t.x,e.model.boundingBox.min.y,t.z)}}[(Mp=gd,ud)](e){const{camera:t}=this,{matrix:n}=t;if(n.fromArray(e.transform.matrix),t.updateMatrixWorld(!0),t.position.setFromMatrixPosition(n),null!=this[jp]){const{position:e,model:n}=this[Rp],i=n.idealCameraDistance;t.getWorldDirection(e),e.multiplyScalar(i),e.add(t.position)}if(!this[Gp]){t.projectionMatrix.fromArray(e.projectionMatrix),t.projectionMatrixInverse.getInverse(t.projectionMatrix);const{x:n,z:i}=t.position,r=this[Rp];r.pointTowards(n,i),r.model.updateMatrixWorld(!0),this[$p]=r.yaw,this[kp].copy(r.model.matrixWorld),r.model.setHotspotsVisibility(!0),this[Gp]=!0,this.dispatchEvent({type:"status",status:Ap})}this[Rp].model.orientHotspots(Math.atan2(n.elements[1],n.elements[5]))}[pd](e){const t=this[jp];if(null==t)return;const n=e.getHitTestResults(t);if(0==n.length)return;const i=n[0],r=this[dd](i);if(null==r)return;this.placeModel(r),t.cancel(),this[jp]=null;const{session:a}=e;a.addEventListener("selectstart",this[fd]),a.addEventListener("selectend",this[md]),a.requestHitTestSourceForTransientInput({profile:"generic-touchscreen"}).then(e=>{this[Wp]=e})}[dd](e){const t=e.getPose(this[Fp]);if(null==t)return null;const n=_d.fromArray(t.transform.matrix);return n.elements[5]>.75?Md.setFromMatrixPosition(n):null}placeModel(e){const t=this[Rp],{model:n}=t,{min:i,max:r}=n.boundingBox;this[Pp].show=!0;const a=this[Qp];a.copy(e);const o=e.y,s=this.camera.position.clone(),l=e.clone().sub(s).normalize();s.sub(l.multiplyScalar(n.idealCameraDistance));const c=new Oe(s,l.normalize()),h=this[kp],u=(new D).setFromMatrixPosition(h).add(e);h.setPosition(u);const p=(new k).getInverse(h);c.applyMatrix4(p),r.y+=10,c.intersectBox(n.boundingBox,u),r.y-=10,null!=u&&(u.applyMatrix4(h),a.add(e).sub(u));const d=t.getTarget();t.setTarget(d.x,i.y,d.z),a.y=o,this.dispatchEvent({type:"status",status:Lp})}[(Sp=fd,Tp=md,vd)](e){const t=e[0].inputSource.gamepad.axes,n=e[1].inputSource.gamepad.axes,i=n[0]-t[0],r=n[1]-t[1];return Math.sqrt(i*i+r*r)}[yd](e){const t=this[Wp];if(null==t)return;if(!this[Xp]&&!this[Jp]&&!this[Yp])return;const n=e.getHitTestResultsForTransientInput(t),i=this[Rp],r=i.scale.x;if(this[Jp])if(n.length<2)this[Jp]=!1;else{const e=this[vd](n)/this[Kp];this[ed]=e<1.2&&e>1/1.2?1:e}else{if(2===n.length&&i.canScale)return this[Xp]=!1,this[Yp]=!1,this[Jp]=!0,void(this[Kp]=this[vd](n)/r);if(this[Yp]){const e=this[qp].gamepad.axes[0];this[$p]+=1.5*(e-this[Kp]),this[Kp]=e}else this[Xp]&&n.forEach(e=>{if(e.inputSource!==this[qp]||e.results.length<1)return;const t=this[dd](e.results[0]);if(null==t)return;this[Qp].sub(this[Zp]);const n=t.y-this[Zp].y;if(n<0){this[Pp].offsetHeight=n/r,this[Rp].model.setShadowScaleAndOffset(r,n);const e=wd.copy(this.camera.position),i=-n/(e.y-t.y);e.multiplyScalar(i),t.multiplyScalar(1-i).add(e)}this[Qp].add(t),this[Zp].copy(t)})}}[xd](e){const t=this[Rp],{model:n,position:i,yaw:r}=t,a=n.idealCameraDistance,o=this[Qp],s=t.scale.x,l=this[Pp];if(null==this[jp]&&(!o.equals(i)||this[ed]!==s)){let{x:r,y:c,z:h}=i;e*=this[od],r=this[td].update(r,o.x,e,a),c=this[nd].update(c,o.y,e,a),h=this[id].update(h,o.z,e,a),i.set(r,c,h);const u=this[ad].update(s,this[ed],e,1);if(t.scale.set(u,u,u),!this[Xp]){const e=o.y-c;this[Vp]?(l.offsetHeight=e/u,n.setShadowScaleAndOffset(u,e)):0===e&&(this[Vp]=!0,l.show=!1,t.setShadowIntensity(.3),this[od]=1)}}l.updateOpacity(e),t.updateTarget(e),t.updateMatrixWorld(!0),t.yaw=this[rd].update(r,this[$p],e,Math.PI)}[Up](){this[Np]=this[zp].requestAnimationFrame((e,t)=>this[cd](e,t))}[cd](e,t){this[Hp]=t;const n=t.getViewerPose(this[Fp]);this[Up]();const i=this[Rp];if(null==n||null==i)return;this[ud](n.views[0]),this[pd](t),this[yd](t);const r=e-this[Cp];this[xd](r),this.renderer.preRender(i,e,r),this[Cp]=e,this.threeRenderer.render(i,this.camera)}} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */class Td{constructor(e){e.threeRenderer.debug={checkShaderErrors:!0},Promise.resolve().then(()=>{self.dispatchEvent(new CustomEvent("model-viewer-renderer-debug",{detail:{renderer:e,THREE:{ShaderMaterial:tn,Texture:A,Mesh:Vt,Scene:se,PlaneBufferGeometry:mn,OrthographicCamera:el,WebGLRenderTarget:R}}}))})}addScene(e){self.dispatchEvent(new CustomEvent("model-viewer-scene-added-debug",{detail:{scene:e}}))}removeScene(e){self.dispatchEvent(new CustomEvent("model-viewer-scene-removed-debug",{detail:{scene:e}}))}}const Ed=Symbol("threeGLTF"),Ad=Symbol("gltf"),Ld=Symbol("gltfElementMap"),Rd=Symbol("threeObjectMap"),Pd=Symbol("parallelTraverseThreeScene"),Cd=Symbol("correlateOriginalThreeGLTF"),Od=Symbol("correlateCloneThreeGLTF");class Id{constructor(e,t,n,i){this[Ed]=e,this[Ad]=t,this[Ld]=i,this[Rd]=n}static from(e,t){return null!=t?this[Od](e,t):this[Cd](e)}static[Cd](e){const t=e.parser.json,{associations:n}=e.parser,i=new Map;return n.forEach((e,n)=>{if(null==e)return;const{type:r,index:a}=e,o=(t[r]||[])[a];if(null==o)return;let s=i.get(o);null==s&&(s=new Set,i.set(o,s)),s.add(n)}),new Id(e,t,n,i)}static[Od](e,t){const n=t.threeGLTF,i=t.gltf,r=JSON.parse(JSON.stringify(i)),a=new Map,o=new Map;for(let i=0;i{const i=t.threeObjectMap.get(e);if(null!=i){const{type:e,index:t}=i,s=r[e][t];a.set(n,{type:e,index:t});const l=o.get(s)||new Set;l.add(n),o.set(s,l)}});return new Id(e,r,a,o)}static[Pd](e,t,n){const i=(e,t)=>{if(n(e,t),e.isObject3D){if(e.isMesh)if(Array.isArray(e.material))for(let n=0;n{e.traverse(e=>{if(!e.isMesh)return;const t=e;(Array.isArray(t.material)?t.material:[t.material]).forEach(e=>{e.dispose()}),t.geometry.dispose()})})}[Zd](){const e=this[Jd],t=qd(this.scene),n=[t],i=e.userData?Object.assign({},e.userData):{};return Object.assign(Object.assign({},e),{scene:t,scenes:n,userData:i})}} /** * @license MIT * @see https://github.com/mrdoob/three.js/blob/dev/LICENSE */const Qd="\n#ifdef ALPHATEST\n\n if ( diffuseColor.a < ALPHATEST ) discard;\n diffuseColor.a = 1.0;\n\n#endif\n",$d=Symbol("cloneAndPatchMaterial"),ef=Symbol("correlatedSceneGraph"); /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */class tf extends Kd{static[Yd](e){const t=super[Yd](e);null==t[ef]&&(t[ef]=Id.from(t));const{scene:n}=t,i=[];n.traverse(e=>{if(e.renderOrder=1e3,e.frustumCulled=!1,e.name||(e.name=e.uuid),!e.isMesh)return;e.castShadow=!0;const t=e;let n=!1;(Array.isArray(t.material)?t.material:[t.material]).forEach(e=>{e.isMeshStandardMaterial&&(e.transparent&&2===e.side&&(n=!0,e.side=0),Mf.singleton.roughnessMipmapper.generateMipmaps(e))}),n&&i.push(t)});for(const e of i){const t=(Array.isArray(e.material)?e.material:[e.material]).map(e=>{const t=e.clone();return t.side=1,t}),n=Array.isArray(e.material)?t:t[0],i=new Vt(e.geometry,n);i.renderOrder=-1,e.add(i)}return t}get correlatedSceneGraph(){return this[Jd][ef]}[Zd](){const e=super[Zd](),t=new Map;return e.scene.traverse(e=>{if(e.isMesh){const n=e;Array.isArray(n.material)?n.material=n.material.map(e=>this[$d](e,t)):null!=n.material&&(n.material=this[$d](n.material,t))}}),e[ef]=Id.from(e,this.correlatedSceneGraph),e}[$d](e,t){if(t.has(e.uuid))return t.get(e.uuid);const n=e.clone(),i=e.onBeforeCompile;return n.onBeforeCompile=e.isGLTFSpecularGlossinessMaterial?e=>{i(e,void 0),e.fragmentShader=e.fragmentShader.replace("#include ",Qd)}:e=>{e.fragmentShader=e.fragmentShader.replace("#include ",Qd),i(e,void 0)},n.shadowSide=0,n.transparent&&(n.depthWrite=!1),n.alphaTest||n.transparent||(n.alphaTest=-.5),t.set(e.uuid,n),n}}var nf,rf,af=function(e){bs.call(this,e),this.type=1009};af.prototype=Object.assign(Object.create(bs.prototype),{constructor:af,parse:function(e){var t=function(e,t){switch(e){case 1:console.error("RGBELoader Read Error: "+(t||""));break;case 2:console.error("RGBELoader Write Error: "+(t||""));break;case 3:console.error("RGBELoader Bad File Format: "+(t||""));break;default:case 4:console.error("RGBELoader: Error: "+(t||""))}return-1},n=function(e,t,n){t=t||1024;for(var i=e.pos,r=-1,a=0,o="",s=String.fromCharCode.apply(null,new Uint16Array(e.subarray(i,i+128)));0>(r=s.indexOf("\n"))&&a>16&32768,a=i>>12&2047,o=i>>23&255;return o<103?r:o>142?(r|=31744,r|=(255==o?0:1)&&8388607&i):o<113?r|=((a|=2048)>>114-o)+(a>>113-o&1):(r|=o-112<<10|a>>1,r+=1&a)}return function(e,t,i,r){var a=e[t+3],o=Math.pow(2,a-128)/255;i[r+0]=n(e[t+0]*o),i[r+1]=n(e[t+1]*o),i[r+2]=n(e[t+2]*o)}}(),a=new Uint8Array(e);a.pos=0;var o=function(e){var i,r,a=/^\s*GAMMA\s*=\s*(\d+(\.\d+)?)\s*$/,o=/^\s*EXPOSURE\s*=\s*(\d+(\.\d+)?)\s*$/,s=/^\s*FORMAT=(\S+)\s*$/,l=/^\s*\-Y\s+(\d+)\s+\+X\s+(\d+)\s*$/,c={valid:0,string:"",comments:"",programtype:"RGBE",format:"",gamma:1,exposure:1,width:0,height:0};if(e.pos>=e.byteLength||!(i=n(e)))return t(1,"no header found");if(!(r=i.match(/^#\?(\S+)$/)))return t(3,"bad initial token");for(c.valid|=1,c.programtype=r[1],c.string+=i+"\n";!1!==(i=n(e));)if(c.string+=i+"\n","#"!==i.charAt(0)){if((r=i.match(a))&&(c.gamma=parseFloat(r[1],10)),(r=i.match(o))&&(c.exposure=parseFloat(r[1],10)),(r=i.match(s))&&(c.valid|=2,c.format=r[1]),(r=i.match(l))&&(c.valid|=4,c.height=parseInt(r[1],10),c.width=parseInt(r[2],10)),2&c.valid&&4&c.valid)break}else c.comments+=i+"\n";return 2&c.valid?4&c.valid?c:t(3,"missing image size specifier"):t(3,"missing format specifier")}(a);if(-1!==o){var s=o.width,l=o.height,c=function(e,n,i){var r,a,o,s,l,c,h,u,p,d,f,m,g,v=n,y=i;if(v<8||v>32767||2!==e[0]||2!==e[1]||128&e[2])return new Uint8Array(e);if(v!==(e[2]<<8|e[3]))return t(3,"wrong scanline width");if(!(r=new Uint8Array(4*n*i)).length)return t(4,"unable to allocate buffer space");for(a=0,o=0,u=4*v,g=new Uint8Array(4),c=new Uint8Array(u);y>0&&oe.byteLength)return t(1);if(g[0]=e[o++],g[1]=e[o++],g[2]=e[o++],g[3]=e[o++],2!=g[0]||2!=g[1]||(g[2]<<8|g[3])!=v)return t(3,"bad rgbe scanline format");for(h=0;h128)&&(s-=128),0===s||h+s>u)return t(3,"bad scanline data");if(m)for(l=e[o++],p=0;p{})){try{this[pf].compileEquirectangularShader();const n=sf.test(e),i=n?cf:lf,r=await new Promise((n,r)=>i.load(e,n,e=>{t(e.loaded/e.total*.9)},r));return t(1),this[df](r,e,"Equirectangular"),n?(r.encoding=3002,r.minFilter=1003,r.magFilter=1003,r.flipY=!0):r.encoding=3007,r}finally{t&&t(1)}}async loadEquirectAsCubeUV(e,t=(()=>{})){let n=null;try{n=await this.load(e,t);const i=this[pf].fromEquirectangular(n);return this[df](i.texture,e,"CubeUV"),i}finally{null!=n&&n.dispose()}}async generateEnvironmentMapAndSkybox(e=null,t=null,n={}){const{progressTracker:i}=n,r=null!=i?i.beginActivity():()=>{};try{let n,a=Promise.resolve(null);e&&(a=this[ff](e,i)),n=t?this[ff](t,i):e?a:this[mf]();let[o,s]=await Promise.all([n,a]);if(null==o)throw new Error("Failed to load environment map.");return o=o,this[df](o.texture,t,"PMREM"),null!=s&&this[df](s.texture,e,"PMREM"),{environmentMap:o,skybox:s}}finally{r(1)}}[(nf=uf,rf=hf,df)](e,t,n){null!=e&&(e.userData=Object.assign(Object.assign({},gf),{url:t,mapping:n}))}[ff](e,t){if(!this[hf].has(e)){const n=t?t.beginActivity():()=>{},i=this.loadEquirectAsCubeUV(e,n);this[hf].set(e,i)}return this[hf].get(e)}[mf](){if(null==this[uf]){const e=new of;this[uf]=this[pf].fromScene(e,.04),e.dispose()}return Promise.resolve(this[uf])}async dispose(){const e=[];this[hf].forEach(t=>{e.push(t)}),this[hf].clear();for(const t of e)try{(await t).dispose()}catch(e){}null!=this[uf]&&(this[uf].dispose(),this[uf]=null)}} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */var yf,xf;const bf=Symbol("onWebGLContextLost"),wf=Symbol("webGLContextLostHandler"),_f=Symbol("singleton");class Mf extends y{constructor(e){super(),this.loader=new Ph(tf),this.width=0,this.height=0,this.dpr=1,this.minScale=.5,this.debugger=null,this.scenes=new Set,this.multipleScenesVisible=!1,this.scale=1,this.avgFrameDuration=22,this[xf]=e=>this[bf](e);const t={alpha:!0,antialias:!0,powerPreference:"high-performance",preserveDrawingBuffer:!0};this.dpr=Nu(),this.canvasElement=document.createElement("canvas"),this.canvasElement.id="webgl-canvas",this.canvas3D=this.canvasElement,this.canvas3D.addEventListener("webglcontextlost",this[wf]);try{this.context3D=((e,t)=>Gu(e.getContext("webgl",t)||e.getContext("experimental-webgl",t)))(this.canvas3D,t),ku(this.context3D),this.threeRenderer=new mr({canvas:this.canvas3D,context:this.context3D}),this.threeRenderer.autoClear=!0,this.threeRenderer.outputEncoding=3007,this.threeRenderer.gammaFactor=2.2,this.threeRenderer.physicallyCorrectLights=!0,this.threeRenderer.setPixelRatio(1),this.threeRenderer.shadowMap.enabled=!0,this.threeRenderer.shadowMap.type=2,this.threeRenderer.shadowMap.autoUpdate=!1,this.debugger=null!=e&&e.debug?new Td(this):null,this.threeRenderer.debug={checkShaderErrors:!!this.debugger},this.threeRenderer.toneMapping=5}catch(e){this.context3D=null,console.warn(e)}this.arRenderer=new Sd(this),this.textureUtils=this.canRender?new vf(this.threeRenderer):null,this.roughnessMipmapper=new Ru(this.threeRenderer),this.updateRendererSize(),this.lastTick=performance.now(),this.avgFrameDuration=0}static get singleton(){return this[_f]}static resetSingleton(){this[_f].dispose(),this[_f]=new Mf({debug:zu()})}get canRender(){return null!=this.threeRenderer&&null!=this.context3D}get scaleFactor(){return this.scale}updateRendererSize(){const e=Nu();if(e!==this.dpr)for(const e of this.scenes){const{element:t}=e;t[Qf](t.getBoundingClientRect())}let t=0,n=0;for(const e of this.scenes)t=Math.max(t,e.width),n=Math.max(n,e.height);if(t===this.width&&n===this.height&&e===this.dpr)return;this.width=t,this.height=n,this.dpr=e,this.canRender&&this.threeRenderer.setSize(t*e,n*e,!1);const i=t/this.scale,r=n/this.scale;this.canvasElement.style.width=i+"px",this.canvasElement.style.height=r+"px";for(const a of this.scenes){const{canvas:o}=a;o.width=t*e,o.height=n*e,o.style.width=i+"px",o.style.height=r+"px",a.isDirty=!0}}updateRendererScale(){let{scale:e}=this;if(this.avgFrameDuration>26&&e>this.minScale?e*=.79:this.avgFrameDuration<18&&e<1&&(e/=.79,e=Math.min(e,1)),e=Math.max(e,this.minScale),e==this.scale)return;this.scale=e,this.avgFrameDuration=22;const t=this.width/e,n=this.height/e;this.canvasElement.style.width=t+"px",this.canvasElement.style.height=n+"px";for(const e of this.scenes){const{style:i}=e.canvas;i.width=t+"px",i.height=n+"px",e.isDirty=!0}}registerScene(e){this.scenes.add(e);const{canvas:t}=e;t.width=this.width*this.dpr,t.height=this.height*this.dpr,t.style.width=this.width/this.scale+"px",t.style.height=this.height/this.scale+"px",this.multipleScenesVisible&&t.classList.add("show"),e.isDirty=!0,this.canRender&&this.scenes.size>0&&this.threeRenderer.setAnimationLoop(e=>this.render(e)),null!=this.debugger&&this.debugger.addScene(e)}unregisterScene(e){this.scenes.delete(e),this.canRender&&0===this.scenes.size&&this.threeRenderer.setAnimationLoop(null),null!=this.debugger&&this.debugger.removeScene(e)}displayCanvas(e){return this.multipleScenesVisible?e.element[sm]:this.canvasElement}selectCanvas(){let e=0,t=null;for(const n of this.scenes)n.element[ym]()&&(++e,t=n.element[om]);const n=e>1||!1,{canvasElement:i}=this;if(n!==this.multipleScenesVisible||!n&&i.parentElement!==t){this.multipleScenesVisible=n,n&&i.classList.remove("show");for(const e of this.scenes){const r=e.element[om],a=e.element[sm];n?(a.classList.add("show"),e.isDirty=!0):r===t&&(r.appendChild(i),i.classList.add("show"),a.classList.remove("show"),e.isDirty=!0)}}}get isPresenting(){return this.arRenderer.isPresenting}preRender(e,t,n){const{element:i,exposure:r,model:a}=e;i[hm](t,n);const o="number"==typeof r&&!self.isNaN(r);this.threeRenderer.toneMappingExposure=o?r:1,a.updateShadow()&&(this.threeRenderer.shadowMap.needsUpdate=!0)}render(e){const t=e-this.lastTick;if(this.lastTick=e,!this.canRender||this.isPresenting)return;this.avgFrameDuration+=Du(.2*(t-this.avgFrameDuration),-2,2),this.selectCanvas(),this.updateRendererSize(),this.updateRendererScale();const{dpr:n,scale:i}=this;for(const r of this.scenes){if(!r.element[ym]())continue;if(this.preRender(r,e,t),!r.isDirty)continue;r.isDirty=!1;const a=Math.ceil(r.width*i*n),o=Math.ceil(r.height*i*n);if(this.threeRenderer.setRenderTarget(null),this.threeRenderer.setViewport(0,Math.floor(this.height*n)-o,a,o),this.threeRenderer.render(r,r.getCamera()),this.multipleScenesVisible){null==r.context&&r.createContext();{const e=r.context;e.clearRect(0,0,a,o),e.drawImage(this.canvas3D,0,0,a,o,0,0,a,o)}}}}dispose(){null!=this.textureUtils&&this.textureUtils.dispose(),null!=this.threeRenderer&&this.threeRenderer.dispose(),this.textureUtils=null,this.threeRenderer=null,this.scenes.clear(),this.canvas3D.removeEventListener("webglcontextlost",this[wf])}[(yf=_f,xf=wf,bf)](e){this.dispatchEvent({type:"contextlost",sourceEvent:e})}}Mf[yf]=new Mf({debug:zu()}); /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var Sf,Tf;const Ef=Symbol("ongoingActivities"),Af=Symbol("announceTotalProgress"),Lf=Symbol("eventDelegate");class Rf{constructor(){this[Sf]=document.createDocumentFragment(),this.addEventListener=(...e)=>this[Lf].addEventListener(...e),this.removeEventListener=(...e)=>this[Lf].removeEventListener(...e),this.dispatchEvent=(...e)=>this[Lf].dispatchEvent(...e),this[Tf]=new Set}get ongoingActivityCount(){return this[Ef].size}beginActivity(){const e={progress:0};return this[Ef].add(e),1===this.ongoingActivityCount&&this[Af](),t=>{let n;return n=Math.max(Du(t,0,1),e.progress),n!==e.progress&&(e.progress=n,this[Af]()),e.progress}}[(Sf=Lf,Tf=Ef,Af)](){let e=0,t=0,n=0;for(const i of this[Ef]){const{progress:r}=i;e+=r*(.5/Math.pow(2,t++)),1===r&&n++}n===this.ongoingActivityCount&&(e=1,this[Ef].clear()),this.dispatchEvent(new CustomEvent("progress",{detail:{totalProgress:e}}))}} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */var Pf,Cf,Of,If,Df,Nf,zf,Uf,Ff,Bf,Hf=function(e,t,n,i){for(var r,a=arguments.length,o=a<3?t:null===i?i=Object.getOwnPropertyDescriptor(t,n):i,s=e.length-1;s>=0;s--)(r=e[s])&&(o=(a<3?r(o):a>3?r(t,n,o):r(t,n))||o);return a>3&&o&&Object.defineProperty(t,n,o),o};const Gf=document.createElement("canvas");let kf=null;const Vf=Symbol("template"),jf=Symbol("fallbackResizeHandler"),Wf=Symbol("defaultAriaLabel"),qf=Symbol("resizeObserver"),Xf=Symbol("intersectionObserver"),Yf=Symbol("clearModelTimeout"),Jf=Symbol("onContextLost"),Zf=Symbol("contextLostHandler"),Kf=Symbol("loaded"),Qf=Symbol("updateSize"),$f=Symbol("isElementInViewport"),em=Symbol("announceModelVisibility"),tm=Symbol("ariaLabel"),nm=Symbol("loadedTime"),im=Symbol("updateSource"),rm=Symbol("markLoaded"),am=Symbol("container"),om=Symbol("input"),sm=Symbol("canvas"),lm=Symbol("scene"),cm=Symbol("needsRender"),hm=Symbol("tick"),um=Symbol("onModelLoad"),pm=Symbol("onResize"),dm=Symbol("renderer"),fm=Symbol("progressTracker"),mm=Symbol("getLoaded"),gm=Symbol("getModelIsVisible"),vm=Symbol("shouldAttemptPreload"),ym=Symbol("sceneIsReady"),xm=e=>({x:e.x,y:e.y,z:e.z,toString(){return`${this.x}m ${this.y}m ${this.z}m`}});class bm extends i{constructor(){super(),this.alt=null,this.src=null,this[Pf]=!1,this[Cf]=!1,this[Of]=0,this[If]=null,this[Df]=Iu(()=>{const e=this.getBoundingClientRect();this[Qf](e)},50),this[Nf]=Iu(e=>{const t=this.modelIsVisible;t!==e&&this.dispatchEvent(new CustomEvent("model-visibility",{detail:{visible:t}}))},0),this[zf]=null,this[Uf]=null,this[Ff]=new Rf,this[Bf]=e=>this[Jf](e);const e=this.constructor.template;window.ShadyCSS&&window.ShadyCSS.styleElement(this,{}),this.attachShadow({mode:"open"});const t=this.shadowRoot;let n,i;if(t.appendChild(e.content.cloneNode(!0)),this[am]=t.querySelector(".container"),this[om]=t.querySelector(".userInput"),this[sm]=t.querySelector("canvas"),this[Wf]=this[om].getAttribute("aria-label"),this.isConnected){const e=this.getBoundingClientRect();n=e.width,i=e.height}else n=300,i=150;this[lm]=new _u({canvas:this[sm],element:this,width:n,height:i}),this[lm].addEventListener("model-load",e=>{this[rm](),this[um](),this.dispatchEvent(new CustomEvent("load",{detail:{url:e.url}}))}),Promise.resolve().then(()=>{this[Qf](this.getBoundingClientRect())}),l&&(this[qf]=new ResizeObserver(e=>{if(!this[dm].isPresenting)for(let t of e)t.target===this&&this[Qf](t.contentRect)})),c?this[Xf]=new IntersectionObserver(e=>{for(let t of e)if(t.target===this){const e=this.modelIsVisible;this[$f]=t.isIntersecting,this[em](e),this[$f]&&!this[ym]()&&this[im]()}},{root:null,rootMargin:"0px",threshold:0}):this[$f]=!0}static get is(){return"model-viewer"}static get template(){return this.hasOwnProperty(Vf)||(this[Vf]=(e=>{const t=document.createElement("template");return t.innerHTML=v.innerHTML,window.ShadyCSS&&window.ShadyCSS.prepareTemplate(t,e),t})(this.is)),this[Vf]}static set modelCacheSize(e){Ph[Lh].evictionThreshold=e}static get modelCacheSize(){return Ph[Lh].evictionThreshold}static set minimumRenderScale(e){e>1&&console.warn(" minimumRenderScale has been clamped to a maximum value of 1."),e<=0&&console.warn(" minimumRenderScale has been clamped to a minimum value of 0. This could result in single-pixel renders on some devices; consider increasing."),Mf.singleton.minScale=Math.max(0,Math.min(1,e))}static get minimumRenderScale(){return Mf.singleton.minScale}get loaded(){return this[mm]()}get[(Pf=$f,Cf=Kf,Of=nm,If=Yf,Df=jf,Nf=em,zf=qf,Uf=Xf,Ff=fm,Bf=Zf,dm)](){return Mf.singleton}get modelIsVisible(){return this[gm]()}connectedCallback(){super.connectedCallback&&super.connectedCallback(),l?this[qf].observe(this):self.addEventListener("resize",this[jf]),c&&this[Xf].observe(this);const e=this[dm];e.addEventListener("contextlost",this[Zf]),e.registerScene(this[lm]),null!=this[Yf]&&(self.clearTimeout(this[Yf]),this[Yf]=null,this.requestUpdate("src",null))}disconnectedCallback(){super.disconnectedCallback&&super.disconnectedCallback(),l?this[qf].unobserve(this):self.removeEventListener("resize",this[jf]),c&&this[Xf].unobserve(this);const e=this[dm];e.removeEventListener("contextlost",this[Zf]),e.unregisterScene(this[lm]),this[Yf]=self.setTimeout(()=>{this[lm].model.clear()},1e3)}updated(e){if(super.updated(e),!e.has("src")||null!=this.src&&this.src===this[lm].model.url||(this[Kf]=!1,this[nm]=0,this[im]()),e.has("alt")){const e=null==this.alt?this[Wf]:this.alt;this[om].setAttribute("aria-label",e)}}toDataURL(e,t){return this[dm].displayCanvas(this[lm]).toDataURL(e,t)}async toBlob(e){const t=e?e.mimeType:void 0,n=e?e.qualityArgument:void 0,i=e?e.idealAspect:void 0,{width:r,height:a,model:o,aspect:s}=this[lm],{dpr:l,scaleFactor:c}=this[dm];let h=r*c*l,u=a*c*l,p=0,d=0;if(!0===i)if(o.fieldOfViewAspect>s){const e=u;u=Math.round(h/o.fieldOfViewAspect),d=(e-u)/2}else{const e=h;h=Math.round(u*o.fieldOfViewAspect),p=(e-h)/2}Gf.width=h,Gf.height=u;try{return new Promise(async(e,i)=>(null==kf&&(kf=Gf.getContext("2d")),kf.drawImage(this[dm].displayCanvas(this[lm]),p,d,h,u,0,0,h,u),!Gf.msToBlob||t&&"image/png"!==t?Gf.toBlob?void Gf.toBlob(t=>{if(!t)return i(new Error("Unable to retrieve canvas blob"));e(t)},t,n):e(await(async e=>new Promise((t,n)=>{const i=e.match(/data:(.*);/);if(!i)return n(new Error(e+" is not a valid data Url"));const r=i[1],a=e.replace(/data:image\/\w+;base64,/,""),o=atob(a),s=[];for(let e=0;ee(.8*t));const n={url:t};this.dispatchEvent(new CustomEvent("preload",{detail:n}))}catch(e){this.dispatchEvent(new CustomEvent("error",{detail:e}))}finally{e(.9),requestAnimationFrame(()=>{e(1)})}}}Hf([a({type:String})],bm.prototype,"alt",void 0),Hf([a({type:String})],bm.prototype,"src",void 0); /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var wm=function(e,t,n,i){for(var r,a=arguments.length,o=a<3?t:null===i?i=Object.getOwnPropertyDescriptor(t,n):i,s=e.length-1;s>=0;s--)(r=e[s])&&(o=(a<3?r(o):a>3?r(t,n,o):r(t,n))||o);return a>3&&o&&Object.defineProperty(t,n,o),o};const _m=Symbol("changeAnimation"),Mm=Symbol("paused"),Sm=Symbol("annotationRenderer"),Tm=Symbol("hotspotMap"),Em=Symbol("mutationCallback"),Am=Symbol("observer"),Lm=Symbol("addHotspot"),Rm=Symbol("removeHotspot"),Pm=new M,Cm=new k,Om=e=>t=>{try{const n=Uh(t),i=(n.length?n[0].terms:[]).filter(e=>e&&"ident"===e.type).map(e=>e.value).filter(t=>e.indexOf(t)>-1),r=new Set;for(const e of i)r.add(e);return r}catch(e){}return new Set} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */;var Im=function(e,t,n,i){for(var r,a=arguments.length,o=a<3?t:null===i?i=Object.getOwnPropertyDescriptor(t,n):i,s=e.length-1;s>=0;s--)(r=e[s])&&(o=(a<3?r(o):a>3?r(t,n,o):r(t,n))||o);return a>3&&o&&Object.defineProperty(t,n,o),o};const Dm=(()=>{const e=document.createElement("a");return e.setAttribute("rel","ar"),e.appendChild(document.createElement("img")),(t,n)=>{const i=new URL(t,self.location.toString());"fixed"===n&&(i.hash="allowsContentScaling=0"),e.setAttribute("href",i.toString()),e.click()}})(),Nm=(()=>{const e=document.createElement("a");let t=!1;return(n,i,r)=>{if(t)return;const a=self.location.toString(),o=new URL(a),s=new URL(n,a),l=s.protocol.replace(":","");o.hash="#model-viewer-no-ar-fallback";let c=`?file=${encodeURIComponent(s.toString())}&mode=ar_only&link=${a}&title=${encodeURIComponent(i)}`;"fixed"===r&&(c+="&resizable=false");const h=`intent://arvr.google.com/scene-viewer/1.0${c}#Intent;scheme=${l};package=com.google.ar.core;action=android.intent.action.VIEW;S.browser_fallback_url=${encodeURIComponent(o.toString())};end;`;self.addEventListener("hashchange",()=>{"#model-viewer-no-ar-fallback"!==self.location.hash||t||(t=!0,self.history.back())},{once:!0}),e.setAttribute("href",h),e.click()}})(),zm=Om(["safari","chrome"]),Um=Om(["quick-look","scene-viewer","webxr","none"]),Fm="quick-look",Bm="scene-viewer",Hm="webxr",Gm="none",km=Symbol("arButtonContainer"),Vm=Symbol("enterARWithWebXR"),jm=Symbol("canActivateAR"),Wm=Symbol("arMode"),qm=Symbol("arModes"),Xm=Symbol("canLaunchQuickLook"),Ym=Symbol("quickLookBrowsers"),Jm=Symbol("onARButtonContainerClick"),Zm=Symbol("onARStatus"); /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var Km,Qm,$m;const eg=Symbol("evaluate"),tg=Symbol("lastValue");class ng{constructor(){this[Km]=null}static evaluatableFor(e,t=Wh){if(e instanceof ng)return e;if("number"===e.type)return"%"===e.unit?new ag(e,t):e;switch(e.name.value){case"calc":return new hg(e,t);case"env":return new sg(e)}return Wh}static evaluate(e){return e instanceof ng?e.evaluate():e}static isConstant(e){return!(e instanceof ng)||e.isConstant}static applyIntrinsics(e,t){const{basis:n,keywords:i}=t,{auto:r}=i;return n.map((t,n)=>{const a=null==r[n]?t:r[n];let o=e[n]?e[n]:a;if("ident"===o.type){const e=o.value;e in i&&(o=i[e][n])}return null!=o&&"ident"!==o.type||(o=a),"%"===o.unit?zh(o.number/100*t.number,t.unit):(o=Yh(o,t),o.unit!==t.unit?t:o)})}get isConstant(){return!1}evaluate(){return this.isConstant&&null!=this[tg]||(this[tg]=this[eg]()),this[tg]}}Km=tg;const ig=Symbol("percentage"),rg=Symbol("basis");class ag extends ng{constructor(e,t){super(),this[ig]=e,this[rg]=t}get isConstant(){return!0}[eg](){return zh(this[ig].number/100*this[rg].number,this[rg].unit)}}const og=Symbol("identNode");class sg extends ng{constructor(e){super(),this[Qm]=null;const t=e.arguments.length?e.arguments[0].terms[0]:null;null!=t&&"ident"===t.type&&(this[og]=t)}get isConstant(){return!1}[(Qm=og,eg)](){if(null!=this[og])switch(this[og].value){case"window-scroll-y":return{type:"number",number:window.pageYOffset/(Math.max(document.body.scrollHeight,document.body.offsetHeight,document.documentElement.clientHeight,document.documentElement.scrollHeight,document.documentElement.offsetHeight)-window.innerHeight)||0,unit:null}}return Wh}}const lg=/[\*\/]/,cg=Symbol("evalutor");class hg extends ng{constructor(e,t=Wh){if(super(),this[$m]=null,1!==e.arguments.length)return;const n=e.arguments[0].terms.slice(),i=[];for(;n.length;){const e=n.shift();if(i.length>0){const n=i[i.length-1];if("operator"===n.type&&lg.test(n.value)){const n=i.pop(),r=i.pop();if(null==r)return;i.push(new fg(n,ng.evaluatableFor(r,t),ng.evaluatableFor(e,t)));continue}}i.push("operator"===e.type?e:ng.evaluatableFor(e,t))}for(;i.length>2;){const[e,n,r]=i.splice(0,3);if("operator"!==n.type)return;i.unshift(new fg(n,ng.evaluatableFor(e,t),ng.evaluatableFor(r,t)))}1===i.length&&(this[cg]=i[0])}get isConstant(){return null==this[cg]||ng.isConstant(this[cg])}[($m=cg,eg)](){return null!=this[cg]?ng.evaluate(this[cg]):Wh}}const ug=Symbol("operator"),pg=Symbol("left"),dg=Symbol("right");class fg extends ng{constructor(e,t,n){super(),this[ug]=e,this[pg]=t,this[dg]=n}get isConstant(){return ng.isConstant(this[pg])&&ng.isConstant(this[dg])}[eg](){const e=Yh(ng.evaluate(this[pg])),t=Yh(ng.evaluate(this[dg])),{number:n,unit:i}=e,{number:r,unit:a}=t;if(null!=a&&null!=i&&a!=i)return Wh;const o=i||a;let s;switch(this[ug].value){case"+":s=n+r;break;case"-":s=n-r;break;case"/":s=n/r;break;case"*":s=n*r;break;default:return Wh}return{type:"number",number:s,unit:o}}}const mg=Symbol("evaluatables"),gg=Symbol("intrinsics");class vg extends ng{constructor(e,t){super(),this[gg]=t;const n=e[0],i=null!=n?n.terms:[];this[mg]=t.basis.map((e,t)=>{const n=i[t];return null==n?{type:"ident",value:"auto"}:"ident"===n.type?n:ng.evaluatableFor(n,e)})}get isConstant(){for(const e of this[mg])if(!ng.isConstant(e))return!1;return!0}[eg](){const e=this[mg].map(e=>ng.evaluate(e));return ng.applyIntrinsics(e,this[gg]).map(e=>e.number)}} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */var yg,xg,bg,wg;const _g=Symbol("instances"),Mg=Symbol("activateListener"),Sg=Symbol("deactivateListener"),Tg=Symbol("notifyInstances"),Eg=Symbol("notify"),Ag=Symbol("callback");class Lg{constructor(e){this[Ag]=e}static[Tg](){for(const e of Lg[_g])e[Eg]()}static[(yg=_g,Mg)](){window.addEventListener("scroll",this[Tg],{passive:!0})}static[Sg](){window.removeEventListener("scroll",this[Tg])}observe(){0===Lg[_g].size&&Lg[Mg](),Lg[_g].add(this)}disconnect(){Lg[_g].delete(this),0===Lg[_g].size&&Lg[Sg]()}[Eg](){this[Ag]()}}Lg[yg]=new Set;const Rg=Symbol("computeStyleCallback"),Pg=Symbol("astWalker"),Cg=Symbol("dependencies"),Og=Symbol("scrollHandler"),Ig=Symbol("onScroll");class Dg{constructor(e){this[xg]={},this[bg]=new jh(["function"]),this[wg]=()=>this[Ig](),this[Rg]=e}observeEffectsFor(e){const t={},n=this[Cg];this[Pg].walk(e,e=>{const{name:i}=e,r=e.arguments[0].terms[0];if("env"===i.value&&null!=r&&"ident"===r.type)switch(r.value){case"window-scroll-y":if(null==t["window-scroll"]){const e="window-scroll"in n?n["window-scroll"]:new Lg(this[Og]);e.observe(),delete n["window-scroll"],t["window-scroll"]=e}}});for(const e in n){n[e].disconnect()}this[Cg]=t}dispose(){for(const e in this[Cg]){this[Cg][e].disconnect()}}[(xg=Cg,bg=Pg,wg=Og,Ig)](){this[Rg]({relatedState:"window-scroll"})}} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */const Ng=e=>{const t=e.observeEffects||!1,n=e.intrinsics instanceof Function?e.intrinsics:()=>e.intrinsics;return(i,r)=>{const a=i.updated,o=i.connectedCallback,s=i.disconnectedCallback,l=Symbol(r+"StyleEffector"),c=Symbol(r+"StyleEvaluator"),h=Symbol(r+"UpdateEvaluator"),u=Symbol(r+"EvaluateAndSync");Object.defineProperties(i,{[l]:{value:null,writable:!0},[c]:{value:null,writable:!0},[h]:{value:function(){const e=Uh(this[r]);this[c]=new vg(e,n(this)),null==this[l]&&t&&(this[l]=new Dg(()=>this[u]())),null!=this[l]&&this[l].observeEffectsFor(e)}},[u]:{value:function(){if(null==this[c])return;const t=this[c].evaluate();this[e.updateHandler](t)}},updated:{value:function(e){e.has(r)&&(this[h](),this[u]()),a.call(this,e)}},connectedCallback:{value:function(){o.call(this),this.requestUpdate(r,this[r])}},disconnectedCallback:{value:function(){s.call(this),null!=this[l]&&(this[l].dispose(),this[l]=null)}}})}}; /* @license * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */var zg,Ug,Fg,Bg,Hg,Gg,kg,Vg,jg,Wg,qg;const Xg=Object.freeze({minimumRadius:0,maximumRadius:1/0,minimumPolarAngle:Math.PI/8,maximumPolarAngle:Math.PI-Math.PI/8,minimumAzimuthalAngle:-1/0,maximumAzimuthalAngle:1/0,minimumFieldOfView:10,maximumFieldOfView:45,eventHandlingBehavior:"prevent-all",interactionPolicy:"always-allow"}),Yg=Symbol("spherical"),Jg=Symbol("goalSpherical"),Zg=Symbol("thetaDamper"),Kg=Symbol("phiDamper"),Qg=Symbol("radiusDamper"),$g=Symbol("fov"),ev=Symbol("goalLogFov"),tv=Symbol("fovDamper"),nv=Symbol("options"),iv=Symbol("touchMode"),rv=Symbol("canInteract"),av=Symbol("interactionEnabled"),ov=Symbol("userAdjustOrbit"),sv=Symbol("isUserChange"),lv=Symbol("isMoving"),cv=Symbol("moveCamera"),hv=Symbol("isUserPointing"),uv=Symbol("pointerIsDown"),pv=Symbol("lastPointerPosition"),dv=Symbol("lastTouches"),fv=Symbol("pixelLengthToSphericalAngle"),mv=Symbol("twoTouchDistance"),gv=Symbol("wrapAngle"),vv=Symbol("onMouseMove"),yv=Symbol("onMouseDown"),xv=Symbol("onMouseUp"),bv=Symbol("onTouchStart"),wv=Symbol("onTouchEnd"),_v=Symbol("onTouchMove"),Mv=Symbol("onWheel"),Sv=Symbol("onKeyDown"),Tv=Symbol("handlePointerMove"),Ev=Symbol("handleSinglePointerMove"),Av=Symbol("handlePointerDown"),Lv=Symbol("handleSinglePointerDown"),Rv=Symbol("handlePointerUp"),Pv=Symbol("handleWheel"),Cv=Symbol("handleKey"),Ov=/^touch(start|end|move)$/,Iv=Math.PI/8,Dv=33,Nv=34,zv=37,Uv=38,Fv=39,Bv=40,Hv="user-interaction",Gv="none";class kv extends y{constructor(e,t){super(),this.camera=e,this.element=t,this[zg]=!1,this[Ug]=!1,this[Fg]=!1,this[Bg]=new sc,this[Hg]=new sc,this[Gg]=new Ih,this[kg]=new Ih,this[Vg]=new Ih,this[jg]=new Ih,this[Wg]=!1,this[qg]={clientX:0,clientY:0},this[vv]=e=>this[Tv](e),this[yv]=e=>this[Av](e),this[xv]=e=>this[Rv](e),this[Mv]=e=>this[Pv](e),this[Sv]=e=>this[Cv](e),this[bv]=e=>this[Av](e),this[wv]=e=>this[Rv](e),this[_v]=e=>this[Tv](e),this[nv]=Object.assign({},Xg),this.setOrbit(0,Math.PI/2,1),this.setFieldOfView(100),this.jumpToGoal()}get interactionEnabled(){return this[av]}enableInteraction(){if(!1===this[av]){const{element:e}=this;e.addEventListener("mousemove",this[vv]),e.addEventListener("mousedown",this[yv]),e.addEventListener("wheel",this[Mv]),e.addEventListener("keydown",this[Sv]),e.addEventListener("touchstart",this[bv]),e.addEventListener("touchmove",this[_v]),self.addEventListener("mouseup",this[xv]),self.addEventListener("touchend",this[wv]),this.element.style.cursor="grab",this[av]=!0}}disableInteraction(){if(!0===this[av]){const{element:e}=this;e.removeEventListener("mousemove",this[vv]),e.removeEventListener("mousedown",this[yv]),e.removeEventListener("wheel",this[Mv]),e.removeEventListener("keydown",this[Sv]),e.removeEventListener("touchstart",this[bv]),e.removeEventListener("touchmove",this[_v]),self.removeEventListener("mouseup",this[xv]),self.removeEventListener("touchend",this[wv]),e.style.cursor="",this[av]=!1}}get options(){return this[nv]}getCameraSpherical(e=new sc){return e.copy(this[Yg])}getFieldOfView(){return this.camera.fov}applyOptions(e){Object.assign(this[nv],e),this.setOrbit(),this.setFieldOfView(Math.exp(this[ev]))}updateNearFar(e,t){this.camera.near=Math.max(e,t/1e3),this.camera.far=t,this.camera.updateProjectionMatrix()}updateAspect(e){this.camera.aspect=e,this.camera.updateProjectionMatrix()}setOrbit(e=this[Jg].theta,t=this[Jg].phi,n=this[Jg].radius){const{minimumAzimuthalAngle:i,maximumAzimuthalAngle:r,minimumPolarAngle:a,maximumPolarAngle:o,minimumRadius:s,maximumRadius:l}=this[nv],{theta:c,phi:h,radius:u}=this[Jg],p=Du(e,i,r);isFinite(i)||isFinite(r)||(this[Yg].theta=this[gv](this[Yg].theta-p)+p);const d=Du(t,a,o),f=Du(n,s,l);return(p!==c||d!==h||f!==u)&&(this[Jg].theta=p,this[Jg].phi=d,this[Jg].radius=f,this[Jg].makeSafe(),this[sv]=!1,!0)}setRadius(e){this[Jg].radius=e,this.setOrbit()}setFieldOfView(e){const{minimumFieldOfView:t,maximumFieldOfView:n}=this[nv];e=Du(e,t,n),this[ev]=Math.log(e)}adjustOrbit(e,t,n){const{theta:i,phi:r,radius:a}=this[Jg],{minimumRadius:o,maximumRadius:s,minimumFieldOfView:l,maximumFieldOfView:c}=this[nv],h=this[Yg].theta-i,u=Math.PI-.001,p=i-Du(e,-u-h,u-h),d=r-t,f=0===n?0:n>0?(s-a)/(Math.log(c)-this[ev]):(a-o)/(this[ev]-Math.log(l)),m=a+n*Math.min(isFinite(f)?f:1/0,s-o);let g=this.setOrbit(p,d,m);if(0!==n){const e=this[ev]+n;this.setFieldOfView(Math.exp(e)),g=!0}return g}jumpToGoal(){this.update(0,1e4)}update(e,t){if(this[lv]())return;const{maximumPolarAngle:n,maximumRadius:i}=this[nv],r=this[Yg].theta-this[Jg].theta;Math.abs(r)>Math.PI&&!isFinite(this[nv].minimumAzimuthalAngle)&&!isFinite(this[nv].maximumAzimuthalAngle)&&(this[Yg].theta-=2*Math.sign(r)*Math.PI),this[Yg].theta=this[Zg].update(this[Yg].theta,this[Jg].theta,t,Math.PI),this[Yg].phi=this[Kg].update(this[Yg].phi,this[Jg].phi,t,n),this[Yg].radius=this[Qg].update(this[Yg].radius,this[Jg].radius,t,i),this[$g]=this[tv].update(this[$g],this[ev],t,1),this[cv]()}[(zg=av,Ug=sv,Fg=hv,Bg=Yg,Hg=Jg,Gg=Zg,kg=Kg,Vg=Qg,jg=tv,Wg=uv,qg=pv,lv)](){return this[Jg].theta===this[Yg].theta&&this[Jg].phi===this[Yg].phi&&this[Jg].radius===this[Yg].radius&&this[ev]===this[$g]}[cv](){this[Yg].makeSafe(),this.camera.position.setFromSpherical(this[Yg]),this.camera.setRotationFromEuler(new W(this[Yg].phi-Math.PI/2,this[Yg].theta,0,"YXZ")),this.camera.fov!==Math.exp(this[$g])&&(this.camera.fov=Math.exp(this[$g]),this.camera.updateProjectionMatrix());const e=this[sv]?Hv:Gv;this.dispatchEvent({type:"change",source:e})}get[rv](){if("allow-when-focused"==this[nv].interactionPolicy){return this.element.getRootNode().activeElement===this.element}return"always-allow"===this[nv].interactionPolicy}[ov](e,t,n){const i=this.adjustOrbit(e,t,n);return this[sv]=!0,this.dispatchEvent({type:"change",source:Hv}),i}[gv](e){const t=(e+Math.PI)/(2*Math.PI);return 2*(t-Math.floor(t))*Math.PI-Math.PI}[fv](e){return 2*Math.PI*e/this.element.clientHeight}[mv](e,t){const{clientX:n,clientY:i}=e,{clientX:r,clientY:a}=t,o=r-n,s=a-i;return Math.sqrt(o*o+s*s)}[Tv](e){if(!this[uv]||!this[rv])return;let t=!1;if(Ov.test(e.type)){const{touches:n}=e;switch(this[iv]){case"zoom":if(this[dv].length>1&&n.length>1){const e=.04*(this[mv](this[dv][0],this[dv][1])-this[mv](n[0],n[1]))/10;t=this[ov](0,0,e)}break;case"rotate":t=this[Ev](n[0])}this[dv]=n}else t=this[Ev](e);(t||"prevent-all"===this[nv].eventHandlingBehavior)&&e.cancelable&&e.preventDefault()}[Ev](e){const{clientX:t,clientY:n}=e,i=this[fv](t-this[pv].clientX),r=this[fv](n-this[pv].clientY);return this[pv].clientX=t,this[pv].clientY=n,!1===this[hv]&&(this[hv]=!0,this.dispatchEvent({type:"pointer-change-start",pointer:Object.assign({},e)})),this[ov](i,r,0)}[Av](e){if(this[uv]=!0,this[hv]=!1,Ov.test(e.type)){const{touches:t}=e;switch(t.length){default:case 1:this[iv]="rotate",this[Lv](t[0]);break;case 2:this[iv]="zoom"}this[dv]=t}else this[Lv](e)}[Lv](e){this[pv].clientX=e.clientX,this[pv].clientY=e.clientY,this.element.style.cursor="grabbing"}[Rv](e){this.element.style.cursor="grab",this[uv]=!1,this[hv]&&this.dispatchEvent({type:"pointer-change-end",pointer:Object.assign({},this[pv])})}[Pv](e){if(!this[rv])return;const t=.04*e.deltaY/30;(this[ov](0,0,t)||"prevent-all"===this[nv].eventHandlingBehavior)&&e.cancelable&&e.preventDefault()}[Cv](e){let t=!1,n=!1;switch(e.keyCode){case Dv:t=!0,n=this[ov](0,0,.04);break;case Nv:t=!0,n=this[ov](0,0,-.04);break;case Uv:t=!0,n=this[ov](0,-Iv,0);break;case Bv:t=!0,n=this[ov](0,Iv,0);break;case zv:t=!0,n=this[ov](-Iv,0,0);break;case Fv:t=!0,n=this[ov](Iv,0,0)}t&&(n||"prevent-all"===this[nv].eventHandlingBehavior)&&e.cancelable&&e.preventDefault()}} /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */const Vv=e=>e<.5?2*e*e:(4-2*e)*e-1,jv=(e,t,n=Vv)=>i=>e+(t-e)*n(i),Wv=(e,t)=>{const n=[],i=[];let r=e;for(let e=0;e{const n=t.reduce((e,t)=>e+t,0),i=t.map(e=>e/n);return t=>{let n=0,r=1/0,a=()=>0;for(let o=0;o=0;s--)(r=e[s])&&(o=(a<3?r(o):a>3?r(t,n,o):r(t,n))||o);return a>3&&o&&Object.defineProperty(t,n,o),o};const Xv=Wv(0,[{frames:6,value:0},{frames:5,value:-1},{frames:1,value:-1},{frames:8,value:1},{frames:1,value:1},{frames:5,value:0},{frames:12,value:0}]),Yv=Wv(0,[{frames:2,value:0},{frames:1,value:1},{frames:5,value:1},{frames:1,value:0},{frames:4,value:0}]),Jv=1.1*hu,Zv=["front","right","back","left"],Kv=["upper-","","lower-"],Qv="auto",$v="when-focused",ey="wiggle",ty="always-allow",ny=e=>({basis:[zh(e[Oy]*Math.PI/180,"rad")],keywords:{auto:[null]}}),iy={basis:[qh(zh(25,"deg"))],keywords:{auto:[null]}},ry=e=>{const t=e[lm];return{basis:[qh(zh(45,"deg"))],keywords:{auto:[zh(t.framedFieldOfView,"deg")]}}},ay=(()=>{const e=Uh("0deg 75deg 105%")[0].terms,t=Yh(e[0]),n=Yh(e[1]);return e=>{const i=e[lm].model.idealCameraDistance;return{basis:[t,n,zh(i,"m")],keywords:{auto:[null,null,zh(105,"%")]}}}})(),oy=e=>{const t=Jv*e[lm].model.idealCameraDistance;return{basis:[zh(-1/0,"rad"),zh(Math.PI/8,"rad"),zh(t,"m")],keywords:{auto:[null,null,null]}}},sy=e=>{const t=ay(e),n=new vg([],t).evaluate()[2];return{basis:[zh(1/0,"rad"),zh(Math.PI-Math.PI/8,"rad"),zh(n,"m")],keywords:{auto:[null,null,null]}}},ly=e=>{const t=e[lm].model.boundingBox.getCenter(new D);return{basis:[zh(t.x,"m"),zh(t.y,"m"),zh(t.z,"m")],keywords:{auto:[null,null,null]}}},cy=Math.PI/2,hy=Math.PI/3,uy=cy/2,py=2*Math.PI,dy=Symbol("controls"),fy=Symbol("promptElement"),my=Symbol("promptAnimatedContainer"),gy=Symbol("deferInteractionPrompt"),vy=Symbol("updateAria"),yy=Symbol("updateCameraForRadius"),xy=Symbol("blurHandler"),by=Symbol("focusHandler"),wy=Symbol("changeHandler"),_y=Symbol("pointerChangeHandler"),My=Symbol("onBlur"),Sy=Symbol("onFocus"),Ty=Symbol("onChange"),Ey=Symbol("onPointerChange"),Ay=Symbol("waitingToPromptUser"),Ly=Symbol("userHasInteracted"),Ry=Symbol("promptElementVisibleTime"),Py=Symbol("lastPromptOffset"),Cy=Symbol("focusedTime"),Oy=Symbol("zoomAdjustedFieldOfView"),Iy=Symbol("lastSpherical"),Dy=Symbol("jumpCamera"),Ny=Symbol("initialized"),zy=Symbol("maintainThetaPhi"),Uy=Symbol("syncCameraOrbit"),Fy=Symbol("syncFieldOfView"),By=Symbol("syncCameraTarget"),Hy=Symbol("syncMinCameraOrbit"),Gy=Symbol("syncMaxCameraOrbit"),ky=Symbol("syncMinFieldOfView"),Vy=Symbol("syncMaxFieldOfView"); /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var jy=function(e,t,n,i){for(var r,a=arguments.length,o=a<3?t:null===i?i=Object.getOwnPropertyDescriptor(t,n):i,s=e.length-1;s>=0;s--)(r=e[s])&&(o=(a<3?r(o):a>3?r(t,n,o):r(t,n))||o);return a>3&&o&&Object.defineProperty(t,n,o),o};const Wy=Symbol("currentEnvironmentMap"),qy=Symbol("applyEnvironmentMap"),Xy=Symbol("updateEnvironment"),Yy=Symbol("cancelEnvironmentUpdate"),Jy=Symbol("onPreload"); /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var Zy,Ky;const Qy=Symbol("modelViewerStatusInstance"),$y=Symbol("updateStatus");Zy=Qy,Ky=$y; /* @license * Copyright 2019 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var ex=function(e,t,n,i){for(var r,a=arguments.length,o=a<3?t:null===i?i=Object.getOwnPropertyDescriptor(t,n):i,s=e.length-1;s>=0;s--)(r=e[s])&&(o=(a<3?r(o):a>3?r(t,n,o):r(t,n))||o);return a>3&&o&&Object.defineProperty(t,n,o),o};const tx="auto",nx="manual",ix="auto",rx="eager",ax="interaction",ox=new class extends y{constructor(){super(),this[Zy]=null,this.registeredInstanceStatuses=new Map,this.loadingPromises=[],this.statusElement=document.createElement("p"),this.statusUpdateInProgress=!1,this[Ky]=Iu(()=>this.updateStatus(),100);const{statusElement:e}=this,{style:t}=e;e.setAttribute("role","status"),e.classList.add("screen-reader-only"),t.top=t.left="0",t.pointerEvents="none"}registerInstance(e){if(this.registeredInstanceStatuses.has(e))return;let t=()=>{};const n=!1===e.loaded&&!!e.src,i=new Promise(i=>{if(!n)return void i();const r=()=>{i(),e.removeEventListener("load",r),e.removeEventListener("error",r)};e.addEventListener("load",r),e.addEventListener("error",r),t=r});this.registeredInstanceStatuses.set(e,{onUnregistered:t}),this.loadingPromises.push(i),null==this.modelViewerStatusInstance&&(this.modelViewerStatusInstance=e)}unregisterInstance(e){if(!this.registeredInstanceStatuses.has(e))return;const t=this.registeredInstanceStatuses,n=t.get(e);t.delete(e),n.onUnregistered(),this.modelViewerStatusInstance===e&&(this.modelViewerStatusInstance=t.size>0?(e=>{if(null!=e.keys)return e.keys().next().value||null;let t=null;try{e.forEach((e,n,i)=>{throw t=n,new Error})}catch(e){}return t})(t):null)}get modelViewerStatusInstance(){return this[Qy]}set modelViewerStatusInstance(e){if(this[Qy]===e)return;const{statusElement:t}=this;null!=e&&null!=e.shadowRoot?e.shadowRoot.appendChild(t):null!=t.parentNode&&t.parentNode.removeChild(t),this[Qy]=e,this[$y]()}async updateStatus(){if(!this.statusUpdateInProgress&&0!==this.loadingPromises.length){for(this.statusElement.textContent="This page includes one or more 3D models that are loading",this.statusUpdateInProgress=!0,this.dispatchEvent({type:"initial-status-announced"});this.loadingPromises.length;){const{loadingPromises:e}=this;this.loadingPromises=[],await Promise.all(e)}this.statusElement.textContent="All 3D models in the page have loaded",this.statusUpdateInProgress=!1,this.dispatchEvent({type:"finished-loading-announced"})}}},sx=Symbol("defaultProgressBarElement"),lx=Symbol("defaultProgressMaskElement"),cx=Symbol("posterContainerElement"),hx=Symbol("defaultPosterElement"),ux=Symbol("posterDismissalSource"),px=Symbol("showPoster"),dx=Symbol("hidePoster"),fx=Symbol("modelIsRevealed"),mx=Symbol("updateProgressBar"),gx=Symbol("lastReportedProgress"),vx=Symbol("ariaLabelCallToAction"),yx=Symbol("clickHandler"),xx=Symbol("keydownHandler"),bx=Symbol("processHandler"),wx=Symbol("onClick"),_x=Symbol("onKeydown"),Mx=Symbol("onProgress"),Sx={Array:!0,ArrayBuffer:!0,BigInt:!0,BigInt64Array:!0,BigUint64Array:!0,Boolean:!0,Cache:!0,CustomEvent:!0,DataView:!0,Date:!0,Error:!0,EvalError:!0,Event:!0,EventTarget:!0,Float32Array:!0,Float64Array:!0,Function:!0,Infinity:!0,Int16Array:!0,Int32Array:!0,Int8Array:!0,Intl:!0,JSON:!0,Map:!0,Math:!0,MessagePort:!0,MessageEvent:!0,MessageChannel:!0,NaN:!0,Number:!0,Object:!0,Promise:!0,Proxy:!0,RangeError:!0,ReferenceError:!0,Reflect:!0,RegExp:!0,Set:!0,String:!0,Symbol:!0,SyntaxError:!0,TextDecoder:!0,TextEncoder:!0,TypeError:!0,URIError:!0,URL:!0,Uint16Array:!0,Uint32Array:!0,Uint8Array:!0,Uint8ClampedArray:!0,WeakMap:!0,WeakSet:!0,WebAssembly:!0,atob:!0,addEventListener:!0,removeEventListener:!0,btoa:!0,caches:!0,clearInterval:!0,clearTimeout:!0,console:!0,decodeURI:!0,decodeURIComponent:!0,document:!0,encodeURI:!0,encodeURIComponent:!0,escape:!0,fetch:!0,indexedDB:!0,isFinite:!0,isNaN:!0,location:!0,navigator:!0,onerror:!0,onrejectionhandled:!0,onunhandledrejection:!0,parseFloat:!0,parseInt:!0,performance:!0,postMessage:!0,requestAnimationFrame:!0,cancelAnimationFrame:!0,self:!0,setTimeout:!0,setInterval:!0,unescape:!0}; /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ function Tx(e){const t=Symbol("kernel"),n=Symbol("uri"),i=Symbol("name");return class extends e{constructor(e,r){super(e),this[t]=e,this[n]=r.uri||null,this[i]=r.name}get name(){return this[i]}get type(){return null!=this.uri?"external":"embedded"}get uri(){return this[n]}async setURI(e){this[t].mutate(this,"uri",e)}}} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */function Ex(e){var t,n,i;const r=Symbol("pbrMetallicRoughness"),a=Symbol("normalTexture"),o=Symbol("occlusionTexture"),s=Symbol("emissiveTexture"),l=Symbol("kernel"),c=Symbol("name");return t=a,n=o,i=s,class extends e{constructor(e,h){super(e,h),this[t]=null,this[n]=null,this[i]=null,this[l]=e,null!=h.name&&(this[c]=h.name);const{pbrMetallicRoughness:u,normalTexture:p,occlusionTexture:d,emissiveTexture:f}=h;this[r]=e.deserialize("pbr-metallic-roughness",u),null!=p&&(this[a]=e.deserialize("texture-info",p)),null!=d&&(this[o]=e.deserialize("texture-info",d)),null!=f&&(this[s]=e.deserialize("texture-info",f))}get pbrMetallicRoughness(){return this[r]}get normalTexture(){return this[a]}get occlusionTexture(){return this[o]}get emissiveTexture(){return this[s]}get name(){return this[c]}}} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */function Ax(e,t,n,i,r,a,o,s,l){var c,h,u,p,d,f;const m={model:n,material:i,"pbr-metallic-roughness":r,"texture-info":l,sampler:a,image:o,texture:s},g=Symbol("onMessageEvent"),v=Symbol("messageEventHandler"),y=Symbol("port"),x=Symbol("model"),b=Symbol("elementsByLocalId"),w=Symbol("localIdsByElement"),_=Symbol("elementsByType"),M=Symbol("pendingMutations"),S=Symbol("nextMutationId");class T{constructor(e,t){this[c]=new Map,this[h]=new Map,this[u]=new Map,this[p]=e=>this[g](e),this[d]=new Map,this[f]=0;const n=Object.keys(m);for(const e of n)this[_].set(e,new Set);this[y]=e,this[y].addEventListener("message",this[v]),this[y].start(),this[x]=this.deserialize("model",t)}get model(){return this[x]}async mutate(n,i,r){if(!this[w].has(n))throw new Error("Cannot mutate unknown element");const a=this[w].get(n);return r instanceof t&&(r=this[w].get(r)),new Promise((t,n)=>{const o=this[S]++;this[y].postMessage({type:e.MUTATE,id:a,property:i,value:r,mutationId:o}),this[M].set(o,{resolve:t,reject:n})})}deserialize(e,t){if(!(e in m))throw new Error("Cannot deserialize unknown type: "+e);const{id:n}=t;if(this[b].has(n))return this[b].get(n);const i=new(0,m[e])(this,t);return this[b].set(n,i),this[w].set(i,n),this[_].get(e).add(i),i}getElementsByType(e){return this[_].has(e)?Array.from(this[_].get(e)):[]}deactivate(){this[y].close(),this[y].removeEventListener("message",this[v])}[(c=b,h=w,u=_,p=v,d=M,f=S,g)](t){const{data:n}=t;switch(n&&n.type){case e.MUTATION_RESULT:{const e=n,{applied:t,mutationId:i}=e,r=this[M].get(i);this[M].delete(i),null!=r&&(t?r.resolve():r.reject());break}}}}return T} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */function Lx(e){var t;const n=Symbol("material"),i=Symbol("kernel");return t=n,class extends e{constructor(e,n){super(e),this[t]=Object.freeze([]),this[i]=e;for(const e of n.materials)this[i].deserialize("material",e)}get materials(){return this[i].getElementsByType("material")}get ownerModel(){}}} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */function Rx(e){var t,n;const i=Symbol("kernel"),r=Symbol("baseColorFactor"),a=Symbol("baseColorTexture"),o=Symbol("metallicRoughnessTexture"),s=Symbol("metallicFactor"),l=Symbol("roughnessFactor");return t=a,n=o,class extends e{constructor(e,c){super(e,c),this[t]=null,this[n]=null,this[i]=e,this[r]=Object.freeze(c.baseColorFactor),this[s]=Object.freeze(c.metallicFactor),this[l]=Object.freeze(c.roughnessFactor);const{baseColorTexture:h,metallicRoughnessTexture:u}=c;null!=h&&(this[a]=e.deserialize("texture-info",h)),null!=u&&(this[o]=e.deserialize("texture-info",u))}get baseColorFactor(){return this[r]}get metallicFactor(){return this[s]}get roughnessFactor(){return this[l]}get baseColorTexture(){return this[a]}get metallicRoughnessTexture(){return this[o]}async setBaseColorFactor(e){await this[i].mutate(this,"baseColorFactor",e),this[r]=Object.freeze(e)}async setMetallicFactor(e){await this[i].mutate(this,"metallicFactor",e),this[s]=Object.freeze(e)}async setRoughnessFactor(e){await this[i].mutate(this,"roughnessFactor",e),this[l]=Object.freeze(e)}}} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */function Px(e){var t,n;const i=Symbol("kernel"),r=Symbol("minFilter"),a=Symbol("magFilter"),o=Symbol("wrapS"),s=Symbol("wrapT"),l=Symbol("name");return t=r,n=a,class extends e{constructor(e,c){super(e),this[t]=null,this[n]=null,this[i]=e,this[l]=c.name,this[r]=c.minFilter||null,this[a]=c.magFilter||null,this[o]=c.wrapS||10497,this[s]=c.wrapT||10497}get name(){return this[l]}get minFilter(){return this[r]}get magFilter(){return this[a]}get wrapS(){return this[o]}get wrapT(){return this[s]}async setMinFilter(e){await this[i].mutate(this,"minFilter",e),this[r]=e}async setMagFilter(e){await this[i].mutate(this,"magFilter",e),this[a]=e}async setWrapS(e){await this[i].mutate(this,"wrapS",e),this[o]=e}async setWrapT(e){await this[i].mutate(this,"wrapT",e),this[s]=e}}} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */function Cx(e){var t;const n=Symbol("kernel"),i=Symbol("texture");return t=i,class extends e{constructor(e,r){super(e),this[t]=null,this[n]=e;const{texture:a}=r;null!=a&&(this[i]=e.deserialize("texture",a))}get texture(){return this[i]}async setTexture(e){await this[n].mutate(this,"texture",e),this[i]=e}}} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */function Ox(e){var t,n;const i=Symbol("kernel"),r=Symbol("source"),a=Symbol("sampler"),o=Symbol("name");return t=r,n=a,class extends e{constructor(e,s){super(e),this[t]=null,this[n]=null,this[i]=e;const{sampler:l,source:c,name:h}=s;this[o]=h,null!=l&&(this[a]=e.deserialize("sampler",l)),null!=c&&(this[r]=e.deserialize("image",c))}get name(){return this[o]}get sampler(){return this[a]}get source(){return this[r]}async setSampler(e){await this[i].mutate(this,"sampler",e),this[a]=e}async setSource(e){await this[i].mutate(this,"source",e),this[r]=e}}} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */function Ix(){const e=Symbol("ownerModel");return class{constructor(t){if(null==t)throw new Error("Illegal constructor");this[e]=t.model}get ownerModel(){return this[e]}}} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */const Dx={HANDSHAKE:1,IMPORT_SCRIPT:2,MODEL_CHANGE:3,MUTATION_RESULT:4,CONTEXT_INITIALIZED:5,MUTATE:6}; /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */const Nx={textures: /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ function(){const e={value:()=>{throw new Error('Capability "textures" not allowed')},configurable:!1,writable:!1};Object.defineProperties(this.Texture.prototype,{setSampler:e,setSource:e}),Object.defineProperties(this.Image.prototype,{setURI:e}),Object.defineProperties(this.Sampler.prototype,{setMinFilter:e,setMagFilter:e,setWrapS:e,setWrapT:e})},messaging:function(){const e=()=>{throw new Error('Capability "messaging" not allowed')},t=this.addEventListener;Object.defineProperties(this,{postMessage:{value:e,configurable:!1},MessageChannel:{value:e,configurable:!1},MessageEvent:{value:e,configurable:!1},onmessage:{set(){e()},configurable:!1},addEventListener:{value:function(n,i,r){"message"===n&&e(),t.call(this,n,i,r)},configurable:!1}})},"material-properties":function(){const e='Capability "material-properties" not allowed';Object.defineProperty(this.PBRMetallicRoughness.prototype,"setBaseColorFactor",{value:()=>{throw new Error(e)},configurable:!1,writable:!1}),Object.defineProperty(this.PBRMetallicRoughness.prototype,"setMetallicFactor",{value:()=>{throw new Error(e)},configurable:!1,writable:!1}),Object.defineProperty(this.PBRMetallicRoughness.prototype,"setRoughnessFactor",{value:()=>{throw new Error(e)},configurable:!1,writable:!1})},fetch:function(){Object.defineProperties(this,{fetch:{value:()=>{throw new Error('Capability "fetch" not allowed')},configurable:!1}})}}; /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ function zx(e,t){for(;e&&e.constructor!==EventTarget;)Object.getOwnPropertyNames(e).forEach(n=>{if(!t.hasOwnProperty(n)||!0!==t[n])try{delete e[n]}catch(e){console.warn(e)}}),e=Object.getPrototypeOf(e)}const Ux=e=>`(${zx.toString()})(self, ${JSON.stringify(e)});` /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */;function Fx(e,t,n){let i=null;n.addEventListener("message",r=>{const{data:a}=r;if(a&&a.type&&a.type===e.HANDSHAKE){const a=r.ports[0];a.addEventListener("message",r=>{const{data:a}=r;if(a&&a.type)switch(a.type){case e.MODEL_CHANGE:{const e=null!=i?i.model:void 0,n=a.model,o=r.ports[0];if(null!=i)i.deactivate();else if(null==n)break;null!=n?(i=new t(o,n),this.model=i.model):(i=null,this.model=void 0);const s=new Event("model-change");s.previousModel=e,s.model=this.model,this.dispatchEvent(s);break}case e.IMPORT_SCRIPT:{const e=a.url;e&&n.importScripts(e);break}}}),a.start(),a.postMessage({type:e.CONTEXT_INITIALIZED})}})}const Bx=()=>Fx.toString() /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */;var Hx,Gx;const kx=Symbol("modelGraft"),Vx=Symbol("port"),jx=Symbol("messageEventHandler"),Wx=Symbol("onMessageEvent");class qx{constructor(e,t){this[Hx]=e=>this[Wx](e),this[kx]=e,this[Vx]=t,this[Vx].addEventListener("message",this[jx]),this[Vx].start()}dispose(){this[Vx].removeEventListener("message",this[jx]),this[Vx].close()}[(Hx=jx,Wx)](e){const{data:t}=e;if(t&&t.type&&t.type===Dx.MUTATE){let e=!1;const{mutationId:n}=t;try{this[kx].mutate(t.id,t.property,t.value),e=!0}finally{this[Vx].postMessage({type:Dx.MUTATION_RESULT,applied:e,mutationId:n})}}}}const Xx=Object.freeze(["messaging","material-properties","fetch"]),Yx=(e=Xx)=>`;(function() {\nvar preservedContext = {\n postMessage: self.postMessage.bind(self),\n addEventListener: self.addEventListener.bind(self),\n importScripts: self.importScripts.bind(self)\n};\n\n${Ux(Sx)}\n\nvar ThreeDOMMessageType = ${JSON.stringify(Dx)};\n\n${Ax.toString()}\n${Ix.toString()}\n${Lx.toString()}\n${Ex.toString()}\n${Rx.toString()}\n${Px.toString()}\n${Tx.toString()}\n${Ox.toString()}\n${Cx.toString()}\n\nvar ThreeDOMElement = ${Ix.name}();\nvar Model = ${Lx.name}(ThreeDOMElement);\nvar Material = ${Ex.name}(ThreeDOMElement);\nvar PBRMetallicRoughness = ${Rx.name}(ThreeDOMElement);\nvar Sampler = ${Px.name}(ThreeDOMElement);\nvar Image = ${Tx.name}(ThreeDOMElement);\nvar Texture = ${Ox.name}(ThreeDOMElement);\nvar TextureInfo = ${Cx.name}(ThreeDOMElement);\n\nvar ModelKernel = ${Ax.name}(\n ThreeDOMMessageType,\n ThreeDOMElement,\n Model,\n Material,\n PBRMetallicRoughness,\n Sampler,\n Image,\n Texture,\n TextureInfo\n);\n\n// Populate the global scope with constructors\n// so that author code can use instanceof checks\nself.ThreeDOMElement = ThreeDOMElement;\nself.Model = Model;\nself.Material = Material;\nself.PBRMetallicRoughness = PBRMetallicRoughness;\nself.Sampler = Sampler;\nself.Image = Image;\nself.Texture = Texture;\nself.TextureInfo = TextureInfo;\n\n${(e=>{const t=Object.keys(Nx),n=[];for(const i of t){if(e.indexOf(i)>-1)continue;const t=Nx[i];n.push(`(${t.toString()}).call(self);`)}return n.join("\n")})(e)}\n(${Bx()}).call(self, ThreeDOMMessageType, ModelKernel, preservedContext);\n\n})();`,Jx=Symbol("worker"),Zx=Symbol("workerInitializes"),Kx=Symbol("modelGraftManipulator");class Qx extends EventTarget{constructor(e){super(),this[Gx]=null;const t=Yx(e),n=URL.createObjectURL(new Blob([t],{type:"text/javascript"}));this[Jx]=new Worker(n),this[Zx]=new Promise(e=>{const{port1:t,port2:n}=new MessageChannel,i=n=>{n.data&&n.data.type===Dx.CONTEXT_INITIALIZED&&(t.removeEventListener("message",i),e(t))};this[Jx].postMessage({type:Dx.HANDSHAKE},[n]),t.addEventListener("message",i),t.start()})}get worker(){return this[Jx]}async changeModel(e){const t=await this[Zx],{port1:n,port2:i}=new MessageChannel;t.postMessage({type:Dx.MODEL_CHANGE,model:null!=e&&null!=e.model?e.model.toJSON():null},[i]);const r=this[Kx];null!=r&&(r.dispose(),this[Kx]=null),null!=e&&(this[Kx]=new qx(e,n))}async eval(e){await this.import(URL.createObjectURL(new Blob([e],{type:"text/javascript"})))}async import(e){(await this[Zx]).postMessage({type:Dx.IMPORT_SCRIPT,url:e})}async terminate(){this[Jx].terminate();const e=this[Kx];null!=e&&(e.dispose(),this[Kx]=null);(await this[Zx]).close()}}Gx=Kx; /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ const $x=(()=>{let e=0;return()=>e++})(),eb=Symbol("callbacks"),tb=Symbol("visitMesh"),nb=Symbol("visitElement"),ib=Symbol("visitNode"),rb=Symbol("visitScene"),ab=Symbol("visitMaterial");class ob{constructor(e){this[eb]=e}visit(e,t={}){const n=!!t.allScenes,i=!!t.sparse,r=n?e.scenes||[]:e.scenes&&null!=e.scene?[e.scenes[e.scene]]:[],a={hierarchy:[],visited:new Set,sparse:i,gltf:e};for(const t of r)this[rb](e.scenes.indexOf(t),a)}[nb](e,t,n,i,r){if(null==t)return;const a=t[e],{sparse:o,hierarchy:s,visited:l}=n;null!=a&&(o&&l.has(a)||(l.add(a),s.push(a),null!=i&&i(a,e,s),null!=r&&r(a),s.pop()))}[rb](e,t){const{gltf:n}=t,{scene:i}=this[eb];this[nb](e,n.scenes,t,i,e=>{if(null!=e.nodes)for(const n of e.nodes)this[ib](n,t)})}[ib](e,t){const{gltf:n}=t,{node:i}=this[eb];this[nb](e,n.nodes,t,i,e=>{if(null!=e.mesh&&this[tb](e.mesh,t),null!=e.children)for(const n of e.children)this[ib](n,t)})}[tb](e,t){const{gltf:n}=t,{mesh:i}=this[eb];this[nb](e,n.meshes,t,i,e=>{for(const n of e.primitives)null!=n.material&&this[ab](n.material,t)})}[ab](e,t){const{gltf:n}=t,{material:i}=this[eb];this[nb](e,n.materials,t,i)}}void 0===Number.EPSILON&&(Number.EPSILON=Math.pow(2,-52)),void 0===Number.isInteger&&(Number.isInteger=function(e){return"number"==typeof e&&isFinite(e)&&Math.floor(e)===e}),void 0===Math.sign&&(Math.sign=function(e){return e<0?-1:e>0?1:+e}),"name"in Function.prototype==!1&&Object.defineProperty(Function.prototype,"name",{get:function(){return this.toString().match(/^\s*function\s*([^\(\s]*)/)[1]}}),void 0===Object.assign&&(Object.assign=function(e){if(null==e)throw new TypeError("Cannot convert undefined or null to object");const t=Object(e);for(let e=1;e>8&255]+lb[e>>16&255]+lb[e>>24&255]+"-"+lb[255&t]+lb[t>>8&255]+"-"+lb[t>>16&15|64]+lb[t>>24&255]+"-"+lb[63&n|128]+lb[n>>8&255]+"-"+lb[n>>16&255]+lb[n>>24&255]+lb[255&i]+lb[i>>8&255]+lb[i>>16&255]+lb[i>>24&255]).toUpperCase()},clamp:function(e,t,n){return Math.max(t,Math.min(n,e))},euclideanModulo:function(e,t){return(e%t+t)%t},mapLinear:function(e,t,n,i,r){return i+(e-t)*(r-i)/(n-t)},lerp:function(e,t,n){return(1-n)*e+n*t},smoothstep:function(e,t,n){return e<=t?0:e>=n?1:(e=(e-t)/(n-t))*e*(3-2*e)},smootherstep:function(e,t,n){return e<=t?0:e>=n?1:(e=(e-t)/(n-t))*e*e*(e*(6*e-15)+10)},randInt:function(e,t){return e+Math.floor(Math.random()*(t-e+1))},randFloat:function(e,t){return e+Math.random()*(t-e)},randFloatSpread:function(e){return e*(.5-Math.random())},degToRad:function(e){return e*ub.DEG2RAD},radToDeg:function(e){return e*ub.RAD2DEG},isPowerOfTwo:function(e){return 0==(e&e-1)&&0!==e},ceilPowerOfTwo:function(e){return Math.pow(2,Math.ceil(Math.log(e)/Math.LN2))},floorPowerOfTwo:function(e){return Math.pow(2,Math.floor(Math.log(e)/Math.LN2))},setQuaternionFromProperEuler:function(e,t,n,i,r){var a=Math.cos,o=Math.sin,s=a(n/2),l=o(n/2),c=a((t+i)/2),h=o((t+i)/2),u=a((t-i)/2),p=o((t-i)/2),d=a((i-t)/2),f=o((i-t)/2);switch(r){case"XYX":e.set(s*h,l*u,l*p,s*c);break;case"YZY":e.set(l*p,s*h,l*u,s*c);break;case"ZXZ":e.set(l*u,l*p,s*h,s*c);break;case"XZX":e.set(s*h,l*f,l*d,s*c);break;case"YXY":e.set(l*d,s*h,l*f,s*c);break;case"ZYZ":e.set(l*f,l*d,s*h,s*c);break;default:console.warn("THREE.MathUtils: .setQuaternionFromProperEuler() encountered an unknown order: "+r)}}};function pb(e,t){this.x=e||0,this.y=t||0}function db(){this.elements=[1,0,0,0,1,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.")}Object.defineProperties(pb.prototype,{width:{get:function(){return this.x},set:function(e){this.x=e}},height:{get:function(){return this.y},set:function(e){this.y=e}}}),Object.assign(pb.prototype,{isVector2:!0,set:function(e,t){return this.x=e,this.y=t,this},setScalar:function(e){return this.x=e,this.y=e,this},setX:function(e){return this.x=e,this},setY:function(e){return this.y=e,this},setComponent:function(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;default:throw new Error("index is out of range: "+e)}return this},getComponent:function(e){switch(e){case 0:return this.x;case 1:return this.y;default:throw new Error("index is out of range: "+e)}},clone:function(){return new this.constructor(this.x,this.y)},copy:function(e){return this.x=e.x,this.y=e.y,this},add:function(e,t){return void 0!==t?(console.warn("THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this)},addScalar:function(e){return this.x+=e,this.y+=e,this},addVectors:function(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this},addScaledVector:function(e,t){return this.x+=e.x*t,this.y+=e.y*t,this},sub:function(e,t){return void 0!==t?(console.warn("THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this)},subScalar:function(e){return this.x-=e,this.y-=e,this},subVectors:function(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this},multiply:function(e){return this.x*=e.x,this.y*=e.y,this},multiplyScalar:function(e){return this.x*=e,this.y*=e,this},divide:function(e){return this.x/=e.x,this.y/=e.y,this},divideScalar:function(e){return this.multiplyScalar(1/e)},applyMatrix3:function(e){var t=this.x,n=this.y,i=e.elements;return this.x=i[0]*t+i[3]*n+i[6],this.y=i[1]*t+i[4]*n+i[7],this},min:function(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this},max:function(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this},clamp:function(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this},clampScalar:function(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this},clampLength:function(e,t){var n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))},floor:function(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this},ceil:function(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this},round:function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this},roundToZero:function(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this},negate:function(){return this.x=-this.x,this.y=-this.y,this},dot:function(e){return this.x*e.x+this.y*e.y},cross:function(e){return this.x*e.y-this.y*e.x},lengthSq:function(){return this.x*this.x+this.y*this.y},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y)},manhattanLength:function(){return Math.abs(this.x)+Math.abs(this.y)},normalize:function(){return this.divideScalar(this.length()||1)},angle:function(){return Math.atan2(-this.y,-this.x)+Math.PI},distanceTo:function(e){return Math.sqrt(this.distanceToSquared(e))},distanceToSquared:function(e){var t=this.x-e.x,n=this.y-e.y;return t*t+n*n},manhattanDistanceTo:function(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)},setLength:function(e){return this.normalize().multiplyScalar(e)},lerp:function(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this},lerpVectors:function(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this},equals:function(e){return e.x===this.x&&e.y===this.y},fromArray:function(e,t){return void 0===t&&(t=0),this.x=e[t],this.y=e[t+1],this},toArray:function(e,t){return void 0===e&&(e=[]),void 0===t&&(t=0),e[t]=this.x,e[t+1]=this.y,e},fromBufferAttribute:function(e,t,n){return void 0!==n&&console.warn("THREE.Vector2: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this},rotateAround:function(e,t){var n=Math.cos(t),i=Math.sin(t),r=this.x-e.x,a=this.y-e.y;return this.x=r*n-a*i+e.x,this.y=r*i+a*n+e.y,this},random:function(){return this.x=Math.random(),this.y=Math.random(),this}}),Object.assign(db.prototype,{isMatrix3:!0,set:function(e,t,n,i,r,a,o,s,l){var c=this.elements;return c[0]=e,c[1]=i,c[2]=o,c[3]=t,c[4]=r,c[5]=s,c[6]=n,c[7]=a,c[8]=l,this},identity:function(){return this.set(1,0,0,0,1,0,0,0,1),this},clone:function(){return(new this.constructor).fromArray(this.elements)},copy:function(e){var t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],this},extractBasis:function(e,t,n){return e.setFromMatrix3Column(this,0),t.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this},setFromMatrix4:function(e){var t=e.elements;return this.set(t[0],t[4],t[8],t[1],t[5],t[9],t[2],t[6],t[10]),this},multiply:function(e){return this.multiplyMatrices(this,e)},premultiply:function(e){return this.multiplyMatrices(e,this)},multiplyMatrices:function(e,t){var n=e.elements,i=t.elements,r=this.elements,a=n[0],o=n[3],s=n[6],l=n[1],c=n[4],h=n[7],u=n[2],p=n[5],d=n[8],f=i[0],m=i[3],g=i[6],v=i[1],y=i[4],x=i[7],b=i[2],w=i[5],_=i[8];return r[0]=a*f+o*v+s*b,r[3]=a*m+o*y+s*w,r[6]=a*g+o*x+s*_,r[1]=l*f+c*v+h*b,r[4]=l*m+c*y+h*w,r[7]=l*g+c*x+h*_,r[2]=u*f+p*v+d*b,r[5]=u*m+p*y+d*w,r[8]=u*g+p*x+d*_,this},multiplyScalar:function(e){var t=this.elements;return t[0]*=e,t[3]*=e,t[6]*=e,t[1]*=e,t[4]*=e,t[7]*=e,t[2]*=e,t[5]*=e,t[8]*=e,this},determinant:function(){var e=this.elements,t=e[0],n=e[1],i=e[2],r=e[3],a=e[4],o=e[5],s=e[6],l=e[7],c=e[8];return t*a*c-t*o*l-n*r*c+n*o*s+i*r*l-i*a*s},getInverse:function(e,t){void 0!==t&&console.warn("THREE.Matrix3: .getInverse() can no longer be configured to throw on degenerate.");var n=e.elements,i=this.elements,r=n[0],a=n[1],o=n[2],s=n[3],l=n[4],c=n[5],h=n[6],u=n[7],p=n[8],d=p*l-c*u,f=c*h-p*s,m=u*s-l*h,g=r*d+a*f+o*m;if(0===g)return this.set(0,0,0,0,0,0,0,0,0);var v=1/g;return i[0]=d*v,i[1]=(o*u-p*a)*v,i[2]=(c*a-o*l)*v,i[3]=f*v,i[4]=(p*r-o*h)*v,i[5]=(o*s-c*r)*v,i[6]=m*v,i[7]=(a*h-u*r)*v,i[8]=(l*r-a*s)*v,this},transpose:function(){var e,t=this.elements;return e=t[1],t[1]=t[3],t[3]=e,e=t[2],t[2]=t[6],t[6]=e,e=t[5],t[5]=t[7],t[7]=e,this},getNormalMatrix:function(e){return this.setFromMatrix4(e).getInverse(this).transpose()},transposeIntoArray:function(e){var t=this.elements;return e[0]=t[0],e[1]=t[3],e[2]=t[6],e[3]=t[1],e[4]=t[4],e[5]=t[7],e[6]=t[2],e[7]=t[5],e[8]=t[8],this},setUvTransform:function(e,t,n,i,r,a,o){var s=Math.cos(r),l=Math.sin(r);this.set(n*s,n*l,-n*(s*a+l*o)+a+e,-i*l,i*s,-i*(-l*a+s*o)+o+t,0,0,1)},scale:function(e,t){var n=this.elements;return n[0]*=e,n[3]*=e,n[6]*=e,n[1]*=t,n[4]*=t,n[7]*=t,this},rotate:function(e){var t=Math.cos(e),n=Math.sin(e),i=this.elements,r=i[0],a=i[3],o=i[6],s=i[1],l=i[4],c=i[7];return i[0]=t*r+n*s,i[3]=t*a+n*l,i[6]=t*o+n*c,i[1]=-n*r+t*s,i[4]=-n*a+t*l,i[7]=-n*o+t*c,this},translate:function(e,t){var n=this.elements;return n[0]+=e*n[2],n[3]+=e*n[5],n[6]+=e*n[8],n[1]+=t*n[2],n[4]+=t*n[5],n[7]+=t*n[8],this},equals:function(e){for(var t=this.elements,n=e.elements,i=0;i<9;i++)if(t[i]!==n[i])return!1;return!0},fromArray:function(e,t){void 0===t&&(t=0);for(var n=0;n<9;n++)this.elements[n]=e[n+t];return this},toArray:function(e,t){void 0===e&&(e=[]),void 0===t&&(t=0);var n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e}});var fb={getDataURL:function(e){var t;if("undefined"==typeof HTMLCanvasElement)return e.src;if(e instanceof HTMLCanvasElement)t=e;else{void 0===hb&&(hb=document.createElementNS("http://www.w3.org/1999/xhtml","canvas")),hb.width=e.width,hb.height=e.height;var n=hb.getContext("2d");e instanceof ImageData?n.putImageData(e,0,0):n.drawImage(e,0,0,e.width,e.height),t=hb}return t.width>2048||t.height>2048?t.toDataURL("image/jpeg",.6):t.toDataURL("image/png")}},mb=0;function gb(e,t,n,i,r,a,o,s,l,c){Object.defineProperty(this,"id",{value:mb++}),this.uuid=ub.generateUUID(),this.name="",this.image=void 0!==e?e:gb.DEFAULT_IMAGE,this.mipmaps=[],this.mapping=void 0!==t?t:gb.DEFAULT_MAPPING,this.wrapS=void 0!==n?n:1001,this.wrapT=void 0!==i?i:1001,this.magFilter=void 0!==r?r:1006,this.minFilter=void 0!==a?a:1008,this.anisotropy=void 0!==l?l:1,this.format=void 0!==o?o:1023,this.internalFormat=null,this.type=void 0!==s?s:1009,this.offset=new pb(0,0),this.repeat=new pb(1,1),this.center=new pb(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new db,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.encoding=void 0!==c?c:3e3,this.version=0,this.onUpdate=null}function vb(e,t,n,i){this.x=e||0,this.y=t||0,this.z=n||0,this.w=void 0!==i?i:1}function yb(e,t,n){this.width=e,this.height=t,this.scissor=new vb(0,0,e,t),this.scissorTest=!1,this.viewport=new vb(0,0,e,t),n=n||{},this.texture=new gb(void 0,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.encoding),this.texture.image={},this.texture.image.width=e,this.texture.image.height=t,this.texture.generateMipmaps=void 0!==n.generateMipmaps&&n.generateMipmaps,this.texture.minFilter=void 0!==n.minFilter?n.minFilter:1006,this.depthBuffer=void 0===n.depthBuffer||n.depthBuffer,this.stencilBuffer=void 0===n.stencilBuffer||n.stencilBuffer,this.depthTexture=void 0!==n.depthTexture?n.depthTexture:null}function xb(e,t,n){yb.call(this,e,t,n),this.samples=4}function bb(e,t,n,i){this._x=e||0,this._y=t||0,this._z=n||0,this._w=void 0!==i?i:1}gb.DEFAULT_IMAGE=void 0,gb.DEFAULT_MAPPING=300,gb.prototype=Object.assign(Object.create(sb.prototype),{constructor:gb,isTexture:!0,updateMatrix:function(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)},clone:function(){return(new this.constructor).copy(this)},copy:function(e){return this.name=e.name,this.image=e.image,this.mipmaps=e.mipmaps.slice(0),this.mapping=e.mapping,this.wrapS=e.wrapS,this.wrapT=e.wrapT,this.magFilter=e.magFilter,this.minFilter=e.minFilter,this.anisotropy=e.anisotropy,this.format=e.format,this.internalFormat=e.internalFormat,this.type=e.type,this.offset.copy(e.offset),this.repeat.copy(e.repeat),this.center.copy(e.center),this.rotation=e.rotation,this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrix.copy(e.matrix),this.generateMipmaps=e.generateMipmaps,this.premultiplyAlpha=e.premultiplyAlpha,this.flipY=e.flipY,this.unpackAlignment=e.unpackAlignment,this.encoding=e.encoding,this},toJSON:function(e){var t=void 0===e||"string"==typeof e;if(!t&&void 0!==e.textures[this.uuid])return e.textures[this.uuid];var n={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,mapping:this.mapping,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};if(void 0!==this.image){var i=this.image;if(void 0===i.uuid&&(i.uuid=ub.generateUUID()),!t&&void 0===e.images[i.uuid]){var r;if(Array.isArray(i)){r=[];for(var a=0,o=i.length;a1)switch(this.wrapS){case 1e3:e.x=e.x-Math.floor(e.x);break;case 1001:e.x=e.x<0?0:1;break;case 1002:1===Math.abs(Math.floor(e.x)%2)?e.x=Math.ceil(e.x)-e.x:e.x=e.x-Math.floor(e.x)}if(e.y<0||e.y>1)switch(this.wrapT){case 1e3:e.y=e.y-Math.floor(e.y);break;case 1001:e.y=e.y<0?0:1;break;case 1002:1===Math.abs(Math.floor(e.y)%2)?e.y=Math.ceil(e.y)-e.y:e.y=e.y-Math.floor(e.y)}return this.flipY&&(e.y=1-e.y),e}}),Object.defineProperty(gb.prototype,"needsUpdate",{set:function(e){!0===e&&this.version++}}),Object.defineProperties(vb.prototype,{width:{get:function(){return this.z},set:function(e){this.z=e}},height:{get:function(){return this.w},set:function(e){this.w=e}}}),Object.assign(vb.prototype,{isVector4:!0,set:function(e,t,n,i){return this.x=e,this.y=t,this.z=n,this.w=i,this},setScalar:function(e){return this.x=e,this.y=e,this.z=e,this.w=e,this},setX:function(e){return this.x=e,this},setY:function(e){return this.y=e,this},setZ:function(e){return this.z=e,this},setW:function(e){return this.w=e,this},setComponent:function(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;case 3:this.w=t;break;default:throw new Error("index is out of range: "+e)}return this},getComponent:function(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+e)}},clone:function(){return new this.constructor(this.x,this.y,this.z,this.w)},copy:function(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=void 0!==e.w?e.w:1,this},add:function(e,t){return void 0!==t?(console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this)},addScalar:function(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this},addVectors:function(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this.w=e.w+t.w,this},addScaledVector:function(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this},sub:function(e,t){return void 0!==t?(console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this)},subScalar:function(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this},subVectors:function(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this},multiplyScalar:function(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this},applyMatrix4:function(e){var t=this.x,n=this.y,i=this.z,r=this.w,a=e.elements;return this.x=a[0]*t+a[4]*n+a[8]*i+a[12]*r,this.y=a[1]*t+a[5]*n+a[9]*i+a[13]*r,this.z=a[2]*t+a[6]*n+a[10]*i+a[14]*r,this.w=a[3]*t+a[7]*n+a[11]*i+a[15]*r,this},divideScalar:function(e){return this.multiplyScalar(1/e)},setAxisAngleFromQuaternion:function(e){this.w=2*Math.acos(e.w);var t=Math.sqrt(1-e.w*e.w);return t<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=e.x/t,this.y=e.y/t,this.z=e.z/t),this},setAxisAngleFromRotationMatrix:function(e){var t,n,i,r,a=e.elements,o=a[0],s=a[4],l=a[8],c=a[1],h=a[5],u=a[9],p=a[2],d=a[6],f=a[10];if(Math.abs(s-c)<.01&&Math.abs(l-p)<.01&&Math.abs(u-d)<.01){if(Math.abs(s+c)<.1&&Math.abs(l+p)<.1&&Math.abs(u+d)<.1&&Math.abs(o+h+f-3)<.1)return this.set(1,0,0,0),this;t=Math.PI;var m=(o+1)/2,g=(h+1)/2,v=(f+1)/2,y=(s+c)/4,x=(l+p)/4,b=(u+d)/4;return m>g&&m>v?m<.01?(n=0,i=.707106781,r=.707106781):(i=y/(n=Math.sqrt(m)),r=x/n):g>v?g<.01?(n=.707106781,i=0,r=.707106781):(n=y/(i=Math.sqrt(g)),r=b/i):v<.01?(n=.707106781,i=.707106781,r=0):(n=x/(r=Math.sqrt(v)),i=b/r),this.set(n,i,r,t),this}var w=Math.sqrt((d-u)*(d-u)+(l-p)*(l-p)+(c-s)*(c-s));return Math.abs(w)<.001&&(w=1),this.x=(d-u)/w,this.y=(l-p)/w,this.z=(c-s)/w,this.w=Math.acos((o+h+f-1)/2),this},min:function(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this.w=Math.min(this.w,e.w),this},max:function(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this.w=Math.max(this.w,e.w),this},clamp:function(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this.w=Math.max(e.w,Math.min(t.w,this.w)),this},clampScalar:function(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this.w=Math.max(e,Math.min(t,this.w)),this},clampLength:function(e,t){var n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))},floor:function(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this},ceil:function(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this},round:function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this},roundToZero:function(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this.w=this.w<0?Math.ceil(this.w):Math.floor(this.w),this},negate:function(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this},dot:function(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.w},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)},manhattanLength:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)},normalize:function(){return this.divideScalar(this.length()||1)},setLength:function(e){return this.normalize().multiplyScalar(e)},lerp:function(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this.w+=(e.w-this.w)*t,this},lerpVectors:function(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this.w=e.w+(t.w-e.w)*n,this},equals:function(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w},fromArray:function(e,t){return void 0===t&&(t=0),this.x=e[t],this.y=e[t+1],this.z=e[t+2],this.w=e[t+3],this},toArray:function(e,t){return void 0===e&&(e=[]),void 0===t&&(t=0),e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e},fromBufferAttribute:function(e,t,n){return void 0!==n&&console.warn("THREE.Vector4: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this.w=e.getW(t),this},random:function(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}}),yb.prototype=Object.assign(Object.create(sb.prototype),{constructor:yb,isWebGLRenderTarget:!0,setSize:function(e,t){this.width===e&&this.height===t||(this.width=e,this.height=t,this.texture.image.width=e,this.texture.image.height=t,this.dispose()),this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)},clone:function(){return(new this.constructor).copy(this)},copy:function(e){return this.width=e.width,this.height=e.height,this.viewport.copy(e.viewport),this.texture=e.texture.clone(),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,this.depthTexture=e.depthTexture,this},dispose:function(){this.dispatchEvent({type:"dispose"})}}),xb.prototype=Object.assign(Object.create(yb.prototype),{constructor:xb,isWebGLMultisampleRenderTarget:!0,copy:function(e){return yb.prototype.copy.call(this,e),this.samples=e.samples,this}}),Object.assign(bb,{slerp:function(e,t,n,i){return n.copy(e).slerp(t,i)},slerpFlat:function(e,t,n,i,r,a,o){var s=n[i+0],l=n[i+1],c=n[i+2],h=n[i+3],u=r[a+0],p=r[a+1],d=r[a+2],f=r[a+3];if(h!==f||s!==u||l!==p||c!==d){var m=1-o,g=s*u+l*p+c*d+h*f,v=g>=0?1:-1,y=1-g*g;if(y>Number.EPSILON){var x=Math.sqrt(y),b=Math.atan2(x,g*v);m=Math.sin(m*b)/x,o=Math.sin(o*b)/x}var w=o*v;if(s=s*m+u*w,l=l*m+p*w,c=c*m+d*w,h=h*m+f*w,m===1-o){var _=1/Math.sqrt(s*s+l*l+c*c+h*h);s*=_,l*=_,c*=_,h*=_}}e[t]=s,e[t+1]=l,e[t+2]=c,e[t+3]=h},multiplyQuaternionsFlat:function(e,t,n,i,r,a){var o=n[i],s=n[i+1],l=n[i+2],c=n[i+3],h=r[a],u=r[a+1],p=r[a+2],d=r[a+3];return e[t]=o*d+c*h+s*p-l*u,e[t+1]=s*d+c*u+l*h-o*p,e[t+2]=l*d+c*p+o*u-s*h,e[t+3]=c*d-o*h-s*u-l*p,e}}),Object.defineProperties(bb.prototype,{x:{get:function(){return this._x},set:function(e){this._x=e,this._onChangeCallback()}},y:{get:function(){return this._y},set:function(e){this._y=e,this._onChangeCallback()}},z:{get:function(){return this._z},set:function(e){this._z=e,this._onChangeCallback()}},w:{get:function(){return this._w},set:function(e){this._w=e,this._onChangeCallback()}}}),Object.assign(bb.prototype,{isQuaternion:!0,set:function(e,t,n,i){return this._x=e,this._y=t,this._z=n,this._w=i,this._onChangeCallback(),this},clone:function(){return new this.constructor(this._x,this._y,this._z,this._w)},copy:function(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this},setFromEuler:function(e,t){if(!e||!e.isEuler)throw new Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");var n=e._x,i=e._y,r=e._z,a=e.order,o=Math.cos,s=Math.sin,l=o(n/2),c=o(i/2),h=o(r/2),u=s(n/2),p=s(i/2),d=s(r/2);switch(a){case"XYZ":this._x=u*c*h+l*p*d,this._y=l*p*h-u*c*d,this._z=l*c*d+u*p*h,this._w=l*c*h-u*p*d;break;case"YXZ":this._x=u*c*h+l*p*d,this._y=l*p*h-u*c*d,this._z=l*c*d-u*p*h,this._w=l*c*h+u*p*d;break;case"ZXY":this._x=u*c*h-l*p*d,this._y=l*p*h+u*c*d,this._z=l*c*d+u*p*h,this._w=l*c*h-u*p*d;break;case"ZYX":this._x=u*c*h-l*p*d,this._y=l*p*h+u*c*d,this._z=l*c*d-u*p*h,this._w=l*c*h+u*p*d;break;case"YZX":this._x=u*c*h+l*p*d,this._y=l*p*h+u*c*d,this._z=l*c*d-u*p*h,this._w=l*c*h-u*p*d;break;case"XZY":this._x=u*c*h-l*p*d,this._y=l*p*h-u*c*d,this._z=l*c*d+u*p*h,this._w=l*c*h+u*p*d;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return!1!==t&&this._onChangeCallback(),this},setFromAxisAngle:function(e,t){var n=t/2,i=Math.sin(n);return this._x=e.x*i,this._y=e.y*i,this._z=e.z*i,this._w=Math.cos(n),this._onChangeCallback(),this},setFromRotationMatrix:function(e){var t,n=e.elements,i=n[0],r=n[4],a=n[8],o=n[1],s=n[5],l=n[9],c=n[2],h=n[6],u=n[10],p=i+s+u;return p>0?(t=.5/Math.sqrt(p+1),this._w=.25/t,this._x=(h-l)*t,this._y=(a-c)*t,this._z=(o-r)*t):i>s&&i>u?(t=2*Math.sqrt(1+i-s-u),this._w=(h-l)/t,this._x=.25*t,this._y=(r+o)/t,this._z=(a+c)/t):s>u?(t=2*Math.sqrt(1+s-i-u),this._w=(a-c)/t,this._x=(r+o)/t,this._y=.25*t,this._z=(l+h)/t):(t=2*Math.sqrt(1+u-i-s),this._w=(o-r)/t,this._x=(a+c)/t,this._y=(l+h)/t,this._z=.25*t),this._onChangeCallback(),this},setFromUnitVectors:function(e,t){var n=e.dot(t)+1;return n<1e-6?(n=0,Math.abs(e.x)>Math.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=n):(this._x=0,this._y=-e.z,this._z=e.y,this._w=n)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x,this._w=n),this.normalize()},angleTo:function(e){return 2*Math.acos(Math.abs(ub.clamp(this.dot(e),-1,1)))},rotateTowards:function(e,t){var n=this.angleTo(e);if(0===n)return this;var i=Math.min(1,t/n);return this.slerp(e,i),this},inverse:function(){return this.conjugate()},conjugate:function(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this},dot:function(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._w},lengthSq:function(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w},length:function(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)},normalize:function(){var e=this.length();return 0===e?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this},multiply:function(e,t){return void 0!==t?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(e,t)):this.multiplyQuaternions(this,e)},premultiply:function(e){return this.multiplyQuaternions(e,this)},multiplyQuaternions:function(e,t){var n=e._x,i=e._y,r=e._z,a=e._w,o=t._x,s=t._y,l=t._z,c=t._w;return this._x=n*c+a*o+i*l-r*s,this._y=i*c+a*s+r*o-n*l,this._z=r*c+a*l+n*s-i*o,this._w=a*c-n*o-i*s-r*l,this._onChangeCallback(),this},slerp:function(e,t){if(0===t)return this;if(1===t)return this.copy(e);var n=this._x,i=this._y,r=this._z,a=this._w,o=a*e._w+n*e._x+i*e._y+r*e._z;if(o<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,o=-o):this.copy(e),o>=1)return this._w=a,this._x=n,this._y=i,this._z=r,this;var s=1-o*o;if(s<=Number.EPSILON){var l=1-t;return this._w=l*a+t*this._w,this._x=l*n+t*this._x,this._y=l*i+t*this._y,this._z=l*r+t*this._z,this.normalize(),this._onChangeCallback(),this}var c=Math.sqrt(s),h=Math.atan2(c,o),u=Math.sin((1-t)*h)/c,p=Math.sin(t*h)/c;return this._w=a*u+this._w*p,this._x=n*u+this._x*p,this._y=i*u+this._y*p,this._z=r*u+this._z*p,this._onChangeCallback(),this},equals:function(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w},fromArray:function(e,t){return void 0===t&&(t=0),this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this},toArray:function(e,t){return void 0===e&&(e=[]),void 0===t&&(t=0),e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e},fromBufferAttribute:function(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this},_onChange:function(e){return this._onChangeCallback=e,this},_onChangeCallback:function(){}});var wb=new Mb,_b=new bb;function Mb(e,t,n){this.x=e||0,this.y=t||0,this.z=n||0}Object.assign(Mb.prototype,{isVector3:!0,set:function(e,t,n){return this.x=e,this.y=t,this.z=n,this},setScalar:function(e){return this.x=e,this.y=e,this.z=e,this},setX:function(e){return this.x=e,this},setY:function(e){return this.y=e,this},setZ:function(e){return this.z=e,this},setComponent:function(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;default:throw new Error("index is out of range: "+e)}return this},getComponent:function(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+e)}},clone:function(){return new this.constructor(this.x,this.y,this.z)},copy:function(e){return this.x=e.x,this.y=e.y,this.z=e.z,this},add:function(e,t){return void 0!==t?(console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(e,t)):(this.x+=e.x,this.y+=e.y,this.z+=e.z,this)},addScalar:function(e){return this.x+=e,this.y+=e,this.z+=e,this},addVectors:function(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this},addScaledVector:function(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this},sub:function(e,t){return void 0!==t?(console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(e,t)):(this.x-=e.x,this.y-=e.y,this.z-=e.z,this)},subScalar:function(e){return this.x-=e,this.y-=e,this.z-=e,this},subVectors:function(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this},multiply:function(e,t){return void 0!==t?(console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(e,t)):(this.x*=e.x,this.y*=e.y,this.z*=e.z,this)},multiplyScalar:function(e){return this.x*=e,this.y*=e,this.z*=e,this},multiplyVectors:function(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this},applyEuler:function(e){return e&&e.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order."),this.applyQuaternion(_b.setFromEuler(e))},applyAxisAngle:function(e,t){return this.applyQuaternion(_b.setFromAxisAngle(e,t))},applyMatrix3:function(e){var t=this.x,n=this.y,i=this.z,r=e.elements;return this.x=r[0]*t+r[3]*n+r[6]*i,this.y=r[1]*t+r[4]*n+r[7]*i,this.z=r[2]*t+r[5]*n+r[8]*i,this},applyNormalMatrix:function(e){return this.applyMatrix3(e).normalize()},applyMatrix4:function(e){var t=this.x,n=this.y,i=this.z,r=e.elements,a=1/(r[3]*t+r[7]*n+r[11]*i+r[15]);return this.x=(r[0]*t+r[4]*n+r[8]*i+r[12])*a,this.y=(r[1]*t+r[5]*n+r[9]*i+r[13])*a,this.z=(r[2]*t+r[6]*n+r[10]*i+r[14])*a,this},applyQuaternion:function(e){var t=this.x,n=this.y,i=this.z,r=e.x,a=e.y,o=e.z,s=e.w,l=s*t+a*i-o*n,c=s*n+o*t-r*i,h=s*i+r*n-a*t,u=-r*t-a*n-o*i;return this.x=l*s+u*-r+c*-o-h*-a,this.y=c*s+u*-a+h*-r-l*-o,this.z=h*s+u*-o+l*-a-c*-r,this},project:function(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)},unproject:function(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)},transformDirection:function(e){var t=this.x,n=this.y,i=this.z,r=e.elements;return this.x=r[0]*t+r[4]*n+r[8]*i,this.y=r[1]*t+r[5]*n+r[9]*i,this.z=r[2]*t+r[6]*n+r[10]*i,this.normalize()},divide:function(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this},divideScalar:function(e){return this.multiplyScalar(1/e)},min:function(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this},max:function(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this},clamp:function(e,t){return this.x=Math.max(e.x,Math.min(t.x,this.x)),this.y=Math.max(e.y,Math.min(t.y,this.y)),this.z=Math.max(e.z,Math.min(t.z,this.z)),this},clampScalar:function(e,t){return this.x=Math.max(e,Math.min(t,this.x)),this.y=Math.max(e,Math.min(t,this.y)),this.z=Math.max(e,Math.min(t,this.z)),this},clampLength:function(e,t){var n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))},floor:function(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this},ceil:function(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this},round:function(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this},roundToZero:function(){return this.x=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this},negate:function(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this},dot:function(e){return this.x*e.x+this.y*e.y+this.z*e.z},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)},manhattanLength:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)},normalize:function(){return this.divideScalar(this.length()||1)},setLength:function(e){return this.normalize().multiplyScalar(e)},lerp:function(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this},lerpVectors:function(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this},cross:function(e,t){return void 0!==t?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(e,t)):this.crossVectors(this,e)},crossVectors:function(e,t){var n=e.x,i=e.y,r=e.z,a=t.x,o=t.y,s=t.z;return this.x=i*s-r*o,this.y=r*a-n*s,this.z=n*o-i*a,this},projectOnVector:function(e){var t=e.lengthSq();if(0===t)return this.set(0,0,0);var n=e.dot(this)/t;return this.copy(e).multiplyScalar(n)},projectOnPlane:function(e){return wb.copy(this).projectOnVector(e),this.sub(wb)},reflect:function(e){return this.sub(wb.copy(e).multiplyScalar(2*this.dot(e)))},angleTo:function(e){var t=Math.sqrt(this.lengthSq()*e.lengthSq());if(0===t)return Math.PI/2;var n=this.dot(e)/t;return Math.acos(ub.clamp(n,-1,1))},distanceTo:function(e){return Math.sqrt(this.distanceToSquared(e))},distanceToSquared:function(e){var t=this.x-e.x,n=this.y-e.y,i=this.z-e.z;return t*t+n*n+i*i},manhattanDistanceTo:function(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)},setFromSpherical:function(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)},setFromSphericalCoords:function(e,t,n){var i=Math.sin(t)*e;return this.x=i*Math.sin(n),this.y=Math.cos(t)*e,this.z=i*Math.cos(n),this},setFromCylindrical:function(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)},setFromCylindricalCoords:function(e,t,n){return this.x=e*Math.sin(t),this.y=n,this.z=e*Math.cos(t),this},setFromMatrixPosition:function(e){var t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this},setFromMatrixScale:function(e){var t=this.setFromMatrixColumn(e,0).length(),n=this.setFromMatrixColumn(e,1).length(),i=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=n,this.z=i,this},setFromMatrixColumn:function(e,t){return this.fromArray(e.elements,4*t)},setFromMatrix3Column:function(e,t){return this.fromArray(e.elements,3*t)},equals:function(e){return e.x===this.x&&e.y===this.y&&e.z===this.z},fromArray:function(e,t){return void 0===t&&(t=0),this.x=e[t],this.y=e[t+1],this.z=e[t+2],this},toArray:function(e,t){return void 0===e&&(e=[]),void 0===t&&(t=0),e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e},fromBufferAttribute:function(e,t,n){return void 0!==n&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute()."),this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this},random:function(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}});var Sb=new Mb,Tb=new Cb,Eb=new Mb(0,0,0),Ab=new Mb(1,1,1),Lb=new Mb,Rb=new Mb,Pb=new Mb;function Cb(){this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],arguments.length>0&&console.error("THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.")}Object.assign(Cb.prototype,{isMatrix4:!0,set:function(e,t,n,i,r,a,o,s,l,c,h,u,p,d,f,m){var g=this.elements;return g[0]=e,g[4]=t,g[8]=n,g[12]=i,g[1]=r,g[5]=a,g[9]=o,g[13]=s,g[2]=l,g[6]=c,g[10]=h,g[14]=u,g[3]=p,g[7]=d,g[11]=f,g[15]=m,this},identity:function(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this},clone:function(){return(new Cb).fromArray(this.elements)},copy:function(e){var t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],this},copyPosition:function(e){var t=this.elements,n=e.elements;return t[12]=n[12],t[13]=n[13],t[14]=n[14],this},extractBasis:function(e,t,n){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this},makeBasis:function(e,t,n){return this.set(e.x,t.x,n.x,0,e.y,t.y,n.y,0,e.z,t.z,n.z,0,0,0,0,1),this},extractRotation:function(e){var t=this.elements,n=e.elements,i=1/Sb.setFromMatrixColumn(e,0).length(),r=1/Sb.setFromMatrixColumn(e,1).length(),a=1/Sb.setFromMatrixColumn(e,2).length();return t[0]=n[0]*i,t[1]=n[1]*i,t[2]=n[2]*i,t[3]=0,t[4]=n[4]*r,t[5]=n[5]*r,t[6]=n[6]*r,t[7]=0,t[8]=n[8]*a,t[9]=n[9]*a,t[10]=n[10]*a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this},makeRotationFromEuler:function(e){e&&e.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");var t=this.elements,n=e.x,i=e.y,r=e.z,a=Math.cos(n),o=Math.sin(n),s=Math.cos(i),l=Math.sin(i),c=Math.cos(r),h=Math.sin(r);if("XYZ"===e.order){var u=a*c,p=a*h,d=o*c,f=o*h;t[0]=s*c,t[4]=-s*h,t[8]=l,t[1]=p+d*l,t[5]=u-f*l,t[9]=-o*s,t[2]=f-u*l,t[6]=d+p*l,t[10]=a*s}else if("YXZ"===e.order){var m=s*c,g=s*h,v=l*c,y=l*h;t[0]=m+y*o,t[4]=v*o-g,t[8]=a*l,t[1]=a*h,t[5]=a*c,t[9]=-o,t[2]=g*o-v,t[6]=y+m*o,t[10]=a*s}else if("ZXY"===e.order){m=s*c,g=s*h,v=l*c,y=l*h;t[0]=m-y*o,t[4]=-a*h,t[8]=v+g*o,t[1]=g+v*o,t[5]=a*c,t[9]=y-m*o,t[2]=-a*l,t[6]=o,t[10]=a*s}else if("ZYX"===e.order){u=a*c,p=a*h,d=o*c,f=o*h;t[0]=s*c,t[4]=d*l-p,t[8]=u*l+f,t[1]=s*h,t[5]=f*l+u,t[9]=p*l-d,t[2]=-l,t[6]=o*s,t[10]=a*s}else if("YZX"===e.order){var x=a*s,b=a*l,w=o*s,_=o*l;t[0]=s*c,t[4]=_-x*h,t[8]=w*h+b,t[1]=h,t[5]=a*c,t[9]=-o*c,t[2]=-l*c,t[6]=b*h+w,t[10]=x-_*h}else if("XZY"===e.order){x=a*s,b=a*l,w=o*s,_=o*l;t[0]=s*c,t[4]=-h,t[8]=l*c,t[1]=x*h+_,t[5]=a*c,t[9]=b*h-w,t[2]=w*h-b,t[6]=o*c,t[10]=_*h+x}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this},makeRotationFromQuaternion:function(e){return this.compose(Eb,e,Ab)},lookAt:function(e,t,n){var i=this.elements;return Pb.subVectors(e,t),0===Pb.lengthSq()&&(Pb.z=1),Pb.normalize(),Lb.crossVectors(n,Pb),0===Lb.lengthSq()&&(1===Math.abs(n.z)?Pb.x+=1e-4:Pb.z+=1e-4,Pb.normalize(),Lb.crossVectors(n,Pb)),Lb.normalize(),Rb.crossVectors(Pb,Lb),i[0]=Lb.x,i[4]=Rb.x,i[8]=Pb.x,i[1]=Lb.y,i[5]=Rb.y,i[9]=Pb.y,i[2]=Lb.z,i[6]=Rb.z,i[10]=Pb.z,this},multiply:function(e,t){return void 0!==t?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(e,t)):this.multiplyMatrices(this,e)},premultiply:function(e){return this.multiplyMatrices(e,this)},multiplyMatrices:function(e,t){var n=e.elements,i=t.elements,r=this.elements,a=n[0],o=n[4],s=n[8],l=n[12],c=n[1],h=n[5],u=n[9],p=n[13],d=n[2],f=n[6],m=n[10],g=n[14],v=n[3],y=n[7],x=n[11],b=n[15],w=i[0],_=i[4],M=i[8],S=i[12],T=i[1],E=i[5],A=i[9],L=i[13],R=i[2],P=i[6],C=i[10],O=i[14],I=i[3],D=i[7],N=i[11],z=i[15];return r[0]=a*w+o*T+s*R+l*I,r[4]=a*_+o*E+s*P+l*D,r[8]=a*M+o*A+s*C+l*N,r[12]=a*S+o*L+s*O+l*z,r[1]=c*w+h*T+u*R+p*I,r[5]=c*_+h*E+u*P+p*D,r[9]=c*M+h*A+u*C+p*N,r[13]=c*S+h*L+u*O+p*z,r[2]=d*w+f*T+m*R+g*I,r[6]=d*_+f*E+m*P+g*D,r[10]=d*M+f*A+m*C+g*N,r[14]=d*S+f*L+m*O+g*z,r[3]=v*w+y*T+x*R+b*I,r[7]=v*_+y*E+x*P+b*D,r[11]=v*M+y*A+x*C+b*N,r[15]=v*S+y*L+x*O+b*z,this},multiplyScalar:function(e){var t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this},determinant:function(){var e=this.elements,t=e[0],n=e[4],i=e[8],r=e[12],a=e[1],o=e[5],s=e[9],l=e[13],c=e[2],h=e[6],u=e[10],p=e[14];return e[3]*(+r*s*h-i*l*h-r*o*u+n*l*u+i*o*p-n*s*p)+e[7]*(+t*s*p-t*l*u+r*a*u-i*a*p+i*l*c-r*s*c)+e[11]*(+t*l*h-t*o*p-r*a*h+n*a*p+r*o*c-n*l*c)+e[15]*(-i*o*c-t*s*h+t*o*u+i*a*h-n*a*u+n*s*c)},transpose:function(){var e,t=this.elements;return e=t[1],t[1]=t[4],t[4]=e,e=t[2],t[2]=t[8],t[8]=e,e=t[6],t[6]=t[9],t[9]=e,e=t[3],t[3]=t[12],t[12]=e,e=t[7],t[7]=t[13],t[13]=e,e=t[11],t[11]=t[14],t[14]=e,this},setPosition:function(e,t,n){var i=this.elements;return e.isVector3?(i[12]=e.x,i[13]=e.y,i[14]=e.z):(i[12]=e,i[13]=t,i[14]=n),this},getInverse:function(e,t){void 0!==t&&console.warn("THREE.Matrix4: .getInverse() can no longer be configured to throw on degenerate.");var n=this.elements,i=e.elements,r=i[0],a=i[1],o=i[2],s=i[3],l=i[4],c=i[5],h=i[6],u=i[7],p=i[8],d=i[9],f=i[10],m=i[11],g=i[12],v=i[13],y=i[14],x=i[15],b=d*y*u-v*f*u+v*h*m-c*y*m-d*h*x+c*f*x,w=g*f*u-p*y*u-g*h*m+l*y*m+p*h*x-l*f*x,_=p*v*u-g*d*u+g*c*m-l*v*m-p*c*x+l*d*x,M=g*d*h-p*v*h-g*c*f+l*v*f+p*c*y-l*d*y,S=r*b+a*w+o*_+s*M;if(0===S)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);var T=1/S;return n[0]=b*T,n[1]=(v*f*s-d*y*s-v*o*m+a*y*m+d*o*x-a*f*x)*T,n[2]=(c*y*s-v*h*s+v*o*u-a*y*u-c*o*x+a*h*x)*T,n[3]=(d*h*s-c*f*s-d*o*u+a*f*u+c*o*m-a*h*m)*T,n[4]=w*T,n[5]=(p*y*s-g*f*s+g*o*m-r*y*m-p*o*x+r*f*x)*T,n[6]=(g*h*s-l*y*s-g*o*u+r*y*u+l*o*x-r*h*x)*T,n[7]=(l*f*s-p*h*s+p*o*u-r*f*u-l*o*m+r*h*m)*T,n[8]=_*T,n[9]=(g*d*s-p*v*s-g*a*m+r*v*m+p*a*x-r*d*x)*T,n[10]=(l*v*s-g*c*s+g*a*u-r*v*u-l*a*x+r*c*x)*T,n[11]=(p*c*s-l*d*s-p*a*u+r*d*u+l*a*m-r*c*m)*T,n[12]=M*T,n[13]=(p*v*o-g*d*o+g*a*f-r*v*f-p*a*y+r*d*y)*T,n[14]=(g*c*o-l*v*o-g*a*h+r*v*h+l*a*y-r*c*y)*T,n[15]=(l*d*o-p*c*o+p*a*h-r*d*h-l*a*f+r*c*f)*T,this},scale:function(e){var t=this.elements,n=e.x,i=e.y,r=e.z;return t[0]*=n,t[4]*=i,t[8]*=r,t[1]*=n,t[5]*=i,t[9]*=r,t[2]*=n,t[6]*=i,t[10]*=r,t[3]*=n,t[7]*=i,t[11]*=r,this},getMaxScaleOnAxis:function(){var e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],n=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],i=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,n,i))},makeTranslation:function(e,t,n){return this.set(1,0,0,e,0,1,0,t,0,0,1,n,0,0,0,1),this},makeRotationX:function(e){var t=Math.cos(e),n=Math.sin(e);return this.set(1,0,0,0,0,t,-n,0,0,n,t,0,0,0,0,1),this},makeRotationY:function(e){var t=Math.cos(e),n=Math.sin(e);return this.set(t,0,n,0,0,1,0,0,-n,0,t,0,0,0,0,1),this},makeRotationZ:function(e){var t=Math.cos(e),n=Math.sin(e);return this.set(t,-n,0,0,n,t,0,0,0,0,1,0,0,0,0,1),this},makeRotationAxis:function(e,t){var n=Math.cos(t),i=Math.sin(t),r=1-n,a=e.x,o=e.y,s=e.z,l=r*a,c=r*o;return this.set(l*a+n,l*o-i*s,l*s+i*o,0,l*o+i*s,c*o+n,c*s-i*a,0,l*s-i*o,c*s+i*a,r*s*s+n,0,0,0,0,1),this},makeScale:function(e,t,n){return this.set(e,0,0,0,0,t,0,0,0,0,n,0,0,0,0,1),this},makeShear:function(e,t,n){return this.set(1,t,n,0,e,1,n,0,e,t,1,0,0,0,0,1),this},compose:function(e,t,n){var i=this.elements,r=t._x,a=t._y,o=t._z,s=t._w,l=r+r,c=a+a,h=o+o,u=r*l,p=r*c,d=r*h,f=a*c,m=a*h,g=o*h,v=s*l,y=s*c,x=s*h,b=n.x,w=n.y,_=n.z;return i[0]=(1-(f+g))*b,i[1]=(p+x)*b,i[2]=(d-y)*b,i[3]=0,i[4]=(p-x)*w,i[5]=(1-(u+g))*w,i[6]=(m+v)*w,i[7]=0,i[8]=(d+y)*_,i[9]=(m-v)*_,i[10]=(1-(u+f))*_,i[11]=0,i[12]=e.x,i[13]=e.y,i[14]=e.z,i[15]=1,this},decompose:function(e,t,n){var i=this.elements,r=Sb.set(i[0],i[1],i[2]).length(),a=Sb.set(i[4],i[5],i[6]).length(),o=Sb.set(i[8],i[9],i[10]).length();this.determinant()<0&&(r=-r),e.x=i[12],e.y=i[13],e.z=i[14],Tb.copy(this);var s=1/r,l=1/a,c=1/o;return Tb.elements[0]*=s,Tb.elements[1]*=s,Tb.elements[2]*=s,Tb.elements[4]*=l,Tb.elements[5]*=l,Tb.elements[6]*=l,Tb.elements[8]*=c,Tb.elements[9]*=c,Tb.elements[10]*=c,t.setFromRotationMatrix(Tb),n.x=r,n.y=a,n.z=o,this},makePerspective:function(e,t,n,i,r,a){void 0===a&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");var o=this.elements,s=2*r/(t-e),l=2*r/(n-i),c=(t+e)/(t-e),h=(n+i)/(n-i),u=-(a+r)/(a-r),p=-2*a*r/(a-r);return o[0]=s,o[4]=0,o[8]=c,o[12]=0,o[1]=0,o[5]=l,o[9]=h,o[13]=0,o[2]=0,o[6]=0,o[10]=u,o[14]=p,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this},makeOrthographic:function(e,t,n,i,r,a){var o=this.elements,s=1/(t-e),l=1/(n-i),c=1/(a-r),h=(t+e)*s,u=(n+i)*l,p=(a+r)*c;return o[0]=2*s,o[4]=0,o[8]=0,o[12]=-h,o[1]=0,o[5]=2*l,o[9]=0,o[13]=-u,o[2]=0,o[6]=0,o[10]=-2*c,o[14]=-p,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this},equals:function(e){for(var t=this.elements,n=e.elements,i=0;i<16;i++)if(t[i]!==n[i])return!1;return!0},fromArray:function(e,t){void 0===t&&(t=0);for(var n=0;n<16;n++)this.elements[n]=e[n+t];return this},toArray:function(e,t){void 0===e&&(e=[]),void 0===t&&(t=0);var n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e[t+9]=n[9],e[t+10]=n[10],e[t+11]=n[11],e[t+12]=n[12],e[t+13]=n[13],e[t+14]=n[14],e[t+15]=n[15],e}});var Ob=new Cb,Ib=new bb;function Db(e,t,n,i){this._x=e||0,this._y=t||0,this._z=n||0,this._order=i||Db.DefaultOrder}function Nb(){this.mask=1}Db.RotationOrders=["XYZ","YZX","ZXY","XZY","YXZ","ZYX"],Db.DefaultOrder="XYZ",Object.defineProperties(Db.prototype,{x:{get:function(){return this._x},set:function(e){this._x=e,this._onChangeCallback()}},y:{get:function(){return this._y},set:function(e){this._y=e,this._onChangeCallback()}},z:{get:function(){return this._z},set:function(e){this._z=e,this._onChangeCallback()}},order:{get:function(){return this._order},set:function(e){this._order=e,this._onChangeCallback()}}}),Object.assign(Db.prototype,{isEuler:!0,set:function(e,t,n,i){return this._x=e,this._y=t,this._z=n,this._order=i||this._order,this._onChangeCallback(),this},clone:function(){return new this.constructor(this._x,this._y,this._z,this._order)},copy:function(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this},setFromRotationMatrix:function(e,t,n){var i=ub.clamp,r=e.elements,a=r[0],o=r[4],s=r[8],l=r[1],c=r[5],h=r[9],u=r[2],p=r[6],d=r[10];switch(t=t||this._order){case"XYZ":this._y=Math.asin(i(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(-h,d),this._z=Math.atan2(-o,a)):(this._x=Math.atan2(p,c),this._z=0);break;case"YXZ":this._x=Math.asin(-i(h,-1,1)),Math.abs(h)<.9999999?(this._y=Math.atan2(s,d),this._z=Math.atan2(l,c)):(this._y=Math.atan2(-u,a),this._z=0);break;case"ZXY":this._x=Math.asin(i(p,-1,1)),Math.abs(p)<.9999999?(this._y=Math.atan2(-u,d),this._z=Math.atan2(-o,c)):(this._y=0,this._z=Math.atan2(l,a));break;case"ZYX":this._y=Math.asin(-i(u,-1,1)),Math.abs(u)<.9999999?(this._x=Math.atan2(p,d),this._z=Math.atan2(l,a)):(this._x=0,this._z=Math.atan2(-o,c));break;case"YZX":this._z=Math.asin(i(l,-1,1)),Math.abs(l)<.9999999?(this._x=Math.atan2(-h,c),this._y=Math.atan2(-u,a)):(this._x=0,this._y=Math.atan2(s,d));break;case"XZY":this._z=Math.asin(-i(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(p,c),this._y=Math.atan2(s,a)):(this._x=Math.atan2(-h,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,!1!==n&&this._onChangeCallback(),this},setFromQuaternion:function(e,t,n){return Ob.makeRotationFromQuaternion(e),this.setFromRotationMatrix(Ob,t,n)},setFromVector3:function(e,t){return this.set(e.x,e.y,e.z,t||this._order)},reorder:function(e){return Ib.setFromEuler(this),this.setFromQuaternion(Ib,e)},equals:function(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order},fromArray:function(e){return this._x=e[0],this._y=e[1],this._z=e[2],void 0!==e[3]&&(this._order=e[3]),this._onChangeCallback(),this},toArray:function(e,t){return void 0===e&&(e=[]),void 0===t&&(t=0),e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._order,e},toVector3:function(e){return e?e.set(this._x,this._y,this._z):new Mb(this._x,this._y,this._z)},_onChange:function(e){return this._onChangeCallback=e,this},_onChangeCallback:function(){}}),Object.assign(Nb.prototype,{set:function(e){this.mask=1<1){for(var t=0;t1){for(var t=0;t0){i.children=[];for(s=0;s0&&(n.geometries=u),p.length>0&&(n.materials=p),d.length>0&&(n.textures=d),f.length>0&&(n.images=f),o.length>0&&(n.shapes=o)}return n.object=i,n;function m(e){var t=[];for(var n in e){var i=e[n];delete i.metadata,t.push(i)}return t}},clone:function(e){return(new this.constructor).copy(this,e)},copy:function(e,t){if(void 0===t&&(t=!0),this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.userData=JSON.parse(JSON.stringify(e.userData)),!0===t)for(var n=0;ns)return!1}return!0}Object.assign(hw.prototype,{isBox3:!0,set:function(e,t){return this.min.copy(e),this.max.copy(t),this},setFromArray:function(e){for(var t=1/0,n=1/0,i=1/0,r=-1/0,a=-1/0,o=-1/0,s=0,l=e.length;sr&&(r=c),h>a&&(a=h),u>o&&(o=u)}return this.min.set(t,n,i),this.max.set(r,a,o),this},setFromBufferAttribute:function(e){for(var t=1/0,n=1/0,i=1/0,r=-1/0,a=-1/0,o=-1/0,s=0,l=e.count;sr&&(r=c),h>a&&(a=h),u>o&&(o=u)}return this.min.set(t,n,i),this.max.set(r,a,o),this},setFromPoints:function(e){this.makeEmpty();for(var t=0,n=e.length;tthis.max.x||e.ythis.max.y||e.zthis.max.z)},containsBox:function(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z},getParameter:function(e,t){return void 0===t&&(console.warn("THREE.Box3: .getParameter() target is now required"),t=new Mb),t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))},intersectsBox:function(e){return!(e.max.xthis.max.x||e.max.ythis.max.y||e.max.zthis.max.z)},intersectsSphere:function(e){return this.clampPoint(e.center,Qb),Qb.distanceToSquared(e.center)<=e.radius*e.radius},intersectsPlane:function(e){var t,n;return e.normal.x>0?(t=e.normal.x*this.min.x,n=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,n=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,n+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,n+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,n+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,n+=e.normal.z*this.min.z),t<=-e.constant&&n>=-e.constant},intersectsTriangle:function(e){if(this.isEmpty())return!1;this.getCenter(ow),sw.subVectors(this.max,ow),ew.subVectors(e.a,ow),tw.subVectors(e.b,ow),nw.subVectors(e.c,ow),iw.subVectors(tw,ew),rw.subVectors(nw,tw),aw.subVectors(ew,nw);var t=[0,-iw.z,iw.y,0,-rw.z,rw.y,0,-aw.z,aw.y,iw.z,0,-iw.x,rw.z,0,-rw.x,aw.z,0,-aw.x,-iw.y,iw.x,0,-rw.y,rw.x,0,-aw.y,aw.x,0];return!!uw(t,ew,tw,nw,sw)&&(!!uw(t=[1,0,0,0,1,0,0,0,1],ew,tw,nw,sw)&&(lw.crossVectors(iw,rw),uw(t=[lw.x,lw.y,lw.z],ew,tw,nw,sw)))},clampPoint:function(e,t){return void 0===t&&(console.warn("THREE.Box3: .clampPoint() target is now required"),t=new Mb),t.copy(e).clamp(this.min,this.max)},distanceToPoint:function(e){return Qb.copy(e).clamp(this.min,this.max).sub(e).length()},getBoundingSphere:function(e){return void 0===e&&console.error("THREE.Box3: .getBoundingSphere() target is now required"),this.getCenter(e.center),e.radius=.5*this.getSize(Qb).length(),e},intersect:function(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this},union:function(e){return this.min.min(e.min),this.max.max(e.max),this},applyMatrix4:function(e){return this.isEmpty()||(Kb[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),Kb[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),Kb[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),Kb[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),Kb[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),Kb[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),Kb[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),Kb[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(Kb)),this},translate:function(e){return this.min.add(e),this.max.add(e),this},equals:function(e){return e.min.equals(this.min)&&e.max.equals(this.max)}});var pw=new hw;function dw(e,t){this.center=void 0!==e?e:new Mb,this.radius=void 0!==t?t:-1}Object.assign(dw.prototype,{set:function(e,t){return this.center.copy(e),this.radius=t,this},setFromPoints:function(e,t){var n=this.center;void 0!==t?n.copy(t):pw.setFromPoints(e).getCenter(n);for(var i=0,r=0,a=e.length;rthis.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t},getBoundingBox:function(e){return void 0===e&&(console.warn("THREE.Sphere: .getBoundingBox() target is now required"),e=new hw),this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)},applyMatrix4:function(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this},translate:function(e){return this.center.add(e),this},equals:function(e){return e.center.equals(this.center)&&e.radius===this.radius}});var fw=new Mb,mw=new Mb,gw=new Mb,vw=new Mb,yw=new Mb,xw=new Mb,bw=new Mb;function ww(e,t){this.origin=void 0!==e?e:new Mb,this.direction=void 0!==t?t:new Mb(0,0,-1)}Object.assign(ww.prototype,{set:function(e,t){return this.origin.copy(e),this.direction.copy(t),this},clone:function(){return(new this.constructor).copy(this)},copy:function(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this},at:function(e,t){return void 0===t&&(console.warn("THREE.Ray: .at() target is now required"),t=new Mb),t.copy(this.direction).multiplyScalar(e).add(this.origin)},lookAt:function(e){return this.direction.copy(e).sub(this.origin).normalize(),this},recast:function(e){return this.origin.copy(this.at(e,fw)),this},closestPointToPoint:function(e,t){void 0===t&&(console.warn("THREE.Ray: .closestPointToPoint() target is now required"),t=new Mb),t.subVectors(e,this.origin);var n=t.dot(this.direction);return n<0?t.copy(this.origin):t.copy(this.direction).multiplyScalar(n).add(this.origin)},distanceToPoint:function(e){return Math.sqrt(this.distanceSqToPoint(e))},distanceSqToPoint:function(e){var t=fw.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(fw.copy(this.direction).multiplyScalar(t).add(this.origin),fw.distanceToSquared(e))},distanceSqToSegment:function(e,t,n,i){mw.copy(e).add(t).multiplyScalar(.5),gw.copy(t).sub(e).normalize(),vw.copy(this.origin).sub(mw);var r,a,o,s,l=.5*e.distanceTo(t),c=-this.direction.dot(gw),h=vw.dot(this.direction),u=-vw.dot(gw),p=vw.lengthSq(),d=Math.abs(1-c*c);if(d>0)if(a=c*h-u,s=l*d,(r=c*u-h)>=0)if(a>=-s)if(a<=s){var f=1/d;o=(r*=f)*(r+c*(a*=f)+2*h)+a*(c*r+a+2*u)+p}else a=l,o=-(r=Math.max(0,-(c*a+h)))*r+a*(a+2*u)+p;else a=-l,o=-(r=Math.max(0,-(c*a+h)))*r+a*(a+2*u)+p;else a<=-s?o=-(r=Math.max(0,-(-c*l+h)))*r+(a=r>0?-l:Math.min(Math.max(-l,-u),l))*(a+2*u)+p:a<=s?(r=0,o=(a=Math.min(Math.max(-l,-u),l))*(a+2*u)+p):o=-(r=Math.max(0,-(c*l+h)))*r+(a=r>0?l:Math.min(Math.max(-l,-u),l))*(a+2*u)+p;else a=c>0?-l:l,o=-(r=Math.max(0,-(c*a+h)))*r+a*(a+2*u)+p;return n&&n.copy(this.direction).multiplyScalar(r).add(this.origin),i&&i.copy(gw).multiplyScalar(a).add(mw),o},intersectSphere:function(e,t){fw.subVectors(e.center,this.origin);var n=fw.dot(this.direction),i=fw.dot(fw)-n*n,r=e.radius*e.radius;if(i>r)return null;var a=Math.sqrt(r-i),o=n-a,s=n+a;return o<0&&s<0?null:o<0?this.at(s,t):this.at(o,t)},intersectsSphere:function(e){return this.distanceSqToPoint(e.center)<=e.radius*e.radius},distanceToPlane:function(e){var t=e.normal.dot(this.direction);if(0===t)return 0===e.distanceToPoint(this.origin)?0:null;var n=-(this.origin.dot(e.normal)+e.constant)/t;return n>=0?n:null},intersectPlane:function(e,t){var n=this.distanceToPlane(e);return null===n?null:this.at(n,t)},intersectsPlane:function(e){var t=e.distanceToPoint(this.origin);return 0===t||e.normal.dot(this.direction)*t<0},intersectBox:function(e,t){var n,i,r,a,o,s,l=1/this.direction.x,c=1/this.direction.y,h=1/this.direction.z,u=this.origin;return l>=0?(n=(e.min.x-u.x)*l,i=(e.max.x-u.x)*l):(n=(e.max.x-u.x)*l,i=(e.min.x-u.x)*l),c>=0?(r=(e.min.y-u.y)*c,a=(e.max.y-u.y)*c):(r=(e.max.y-u.y)*c,a=(e.min.y-u.y)*c),n>a||r>i?null:((r>n||n!=n)&&(n=r),(a=0?(o=(e.min.z-u.z)*h,s=(e.max.z-u.z)*h):(o=(e.max.z-u.z)*h,s=(e.min.z-u.z)*h),n>s||o>i?null:((o>n||n!=n)&&(n=o),(s=0?n:i,t)))},intersectsBox:function(e){return null!==this.intersectBox(e,fw)},intersectTriangle:function(e,t,n,i,r){yw.subVectors(t,e),xw.subVectors(n,e),bw.crossVectors(yw,xw);var a,o=this.direction.dot(bw);if(o>0){if(i)return null;a=1}else{if(!(o<0))return null;a=-1,o=-o}vw.subVectors(this.origin,e);var s=a*this.direction.dot(xw.crossVectors(vw,xw));if(s<0)return null;var l=a*this.direction.dot(yw.cross(vw));if(l<0)return null;if(s+l>o)return null;var c=-a*vw.dot(bw);return c<0?null:this.at(c/o,r)},applyMatrix4:function(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this},equals:function(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}});var _w=new Mb,Mw=new Mb,Sw=new db;function Tw(e,t){this.normal=void 0!==e?e:new Mb(1,0,0),this.constant=void 0!==t?t:0}Object.assign(Tw.prototype,{isPlane:!0,set:function(e,t){return this.normal.copy(e),this.constant=t,this},setComponents:function(e,t,n,i){return this.normal.set(e,t,n),this.constant=i,this},setFromNormalAndCoplanarPoint:function(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this},setFromCoplanarPoints:function(e,t,n){var i=_w.subVectors(n,t).cross(Mw.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(i,e),this},clone:function(){return(new this.constructor).copy(this)},copy:function(e){return this.normal.copy(e.normal),this.constant=e.constant,this},normalize:function(){var e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this},negate:function(){return this.constant*=-1,this.normal.negate(),this},distanceToPoint:function(e){return this.normal.dot(e)+this.constant},distanceToSphere:function(e){return this.distanceToPoint(e.center)-e.radius},projectPoint:function(e,t){return void 0===t&&(console.warn("THREE.Plane: .projectPoint() target is now required"),t=new Mb),t.copy(this.normal).multiplyScalar(-this.distanceToPoint(e)).add(e)},intersectLine:function(e,t){void 0===t&&(console.warn("THREE.Plane: .intersectLine() target is now required"),t=new Mb);var n=e.delta(_w),i=this.normal.dot(n);if(0===i)return 0===this.distanceToPoint(e.start)?t.copy(e.start):void 0;var r=-(e.start.dot(this.normal)+this.constant)/i;return r<0||r>1?void 0:t.copy(n).multiplyScalar(r).add(e.start)},intersectsLine:function(e){var t=this.distanceToPoint(e.start),n=this.distanceToPoint(e.end);return t<0&&n>0||n<0&&t>0},intersectsBox:function(e){return e.intersectsPlane(this)},intersectsSphere:function(e){return e.intersectsPlane(this)},coplanarPoint:function(e){return void 0===e&&(console.warn("THREE.Plane: .coplanarPoint() target is now required"),e=new Mb),e.copy(this.normal).multiplyScalar(-this.constant)},applyMatrix4:function(e,t){var n=t||Sw.getNormalMatrix(e),i=this.coplanarPoint(_w).applyMatrix4(e),r=this.normal.applyMatrix3(n).normalize();return this.constant=-i.dot(r),this},translate:function(e){return this.constant-=e.dot(this.normal),this},equals:function(e){return e.normal.equals(this.normal)&&e.constant===this.constant}});var Ew=new Mb,Aw=new Mb,Lw=new Mb,Rw=new Mb,Pw=new Mb,Cw=new Mb,Ow=new Mb,Iw=new Mb,Dw=new Mb,Nw=new Mb;function zw(e,t,n){this.a=void 0!==e?e:new Mb,this.b=void 0!==t?t:new Mb,this.c=void 0!==n?n:new Mb}Object.assign(zw,{getNormal:function(e,t,n,i){void 0===i&&(console.warn("THREE.Triangle: .getNormal() target is now required"),i=new Mb),i.subVectors(n,t),Ew.subVectors(e,t),i.cross(Ew);var r=i.lengthSq();return r>0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)},getBarycoord:function(e,t,n,i,r){Ew.subVectors(i,t),Aw.subVectors(n,t),Lw.subVectors(e,t);var a=Ew.dot(Ew),o=Ew.dot(Aw),s=Ew.dot(Lw),l=Aw.dot(Aw),c=Aw.dot(Lw),h=a*l-o*o;if(void 0===r&&(console.warn("THREE.Triangle: .getBarycoord() target is now required"),r=new Mb),0===h)return r.set(-2,-1,-1);var u=1/h,p=(l*s-o*c)*u,d=(a*c-o*s)*u;return r.set(1-p-d,d,p)},containsPoint:function(e,t,n,i){return zw.getBarycoord(e,t,n,i,Rw),Rw.x>=0&&Rw.y>=0&&Rw.x+Rw.y<=1},getUV:function(e,t,n,i,r,a,o,s){return this.getBarycoord(e,t,n,i,Rw),s.set(0,0),s.addScaledVector(r,Rw.x),s.addScaledVector(a,Rw.y),s.addScaledVector(o,Rw.z),s},isFrontFacing:function(e,t,n,i){return Ew.subVectors(n,t),Aw.subVectors(e,t),Ew.cross(Aw).dot(i)<0}}),Object.assign(zw.prototype,{set:function(e,t,n){return this.a.copy(e),this.b.copy(t),this.c.copy(n),this},setFromPointsAndIndices:function(e,t,n,i){return this.a.copy(e[t]),this.b.copy(e[n]),this.c.copy(e[i]),this},clone:function(){return(new this.constructor).copy(this)},copy:function(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this},getArea:function(){return Ew.subVectors(this.c,this.b),Aw.subVectors(this.a,this.b),.5*Ew.cross(Aw).length()},getMidpoint:function(e){return void 0===e&&(console.warn("THREE.Triangle: .getMidpoint() target is now required"),e=new Mb),e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)},getNormal:function(e){return zw.getNormal(this.a,this.b,this.c,e)},getPlane:function(e){return void 0===e&&(console.warn("THREE.Triangle: .getPlane() target is now required"),e=new Tw),e.setFromCoplanarPoints(this.a,this.b,this.c)},getBarycoord:function(e,t){return zw.getBarycoord(e,this.a,this.b,this.c,t)},getUV:function(e,t,n,i,r){return zw.getUV(e,this.a,this.b,this.c,t,n,i,r)},containsPoint:function(e){return zw.containsPoint(e,this.a,this.b,this.c)},isFrontFacing:function(e){return zw.isFrontFacing(this.a,this.b,this.c,e)},intersectsBox:function(e){return e.intersectsTriangle(this)},closestPointToPoint:function(e,t){void 0===t&&(console.warn("THREE.Triangle: .closestPointToPoint() target is now required"),t=new Mb);var n,i,r=this.a,a=this.b,o=this.c;Pw.subVectors(a,r),Cw.subVectors(o,r),Iw.subVectors(e,r);var s=Pw.dot(Iw),l=Cw.dot(Iw);if(s<=0&&l<=0)return t.copy(r);Dw.subVectors(e,a);var c=Pw.dot(Dw),h=Cw.dot(Dw);if(c>=0&&h<=c)return t.copy(a);var u=s*h-c*l;if(u<=0&&s>=0&&c<=0)return n=s/(s-c),t.copy(r).addScaledVector(Pw,n);Nw.subVectors(e,o);var p=Pw.dot(Nw),d=Cw.dot(Nw);if(d>=0&&p<=d)return t.copy(o);var f=p*l-s*d;if(f<=0&&l>=0&&d<=0)return i=l/(l-d),t.copy(r).addScaledVector(Cw,i);var m=c*d-p*h;if(m<=0&&h-c>=0&&p-d>=0)return Ow.subVectors(o,a),i=(h-c)/(h-c+(p-d)),t.copy(a).addScaledVector(Ow,i);var g=1/(m+f+u);return n=f*g,i=u*g,t.copy(r).addScaledVector(Pw,n).addScaledVector(Cw,i)},equals:function(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}});var Uw={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},Fw={h:0,s:0,l:0},Bw={h:0,s:0,l:0};function Hw(e,t,n){return void 0===t&&void 0===n?this.set(e):this.setRGB(e,t,n)}function Gw(e,t,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?e+6*(t-e)*n:n<.5?t:n<2/3?e+6*(t-e)*(2/3-n):e}function kw(e){return e<.04045?.0773993808*e:Math.pow(.9478672986*e+.0521327014,2.4)}function Vw(e){return e<.0031308?12.92*e:1.055*Math.pow(e,.41666)-.055}function jw(e,t,n,i,r,a){this.a=e,this.b=t,this.c=n,this.normal=i&&i.isVector3?i:new Mb,this.vertexNormals=Array.isArray(i)?i:[],this.color=r&&r.isColor?r:new Hw,this.vertexColors=Array.isArray(r)?r:[],this.materialIndex=void 0!==a?a:0}Object.assign(Hw.prototype,{isColor:!0,r:1,g:1,b:1,set:function(e){return e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e),this},setScalar:function(e){return this.r=e,this.g=e,this.b=e,this},setHex:function(e){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(255&e)/255,this},setRGB:function(e,t,n){return this.r=e,this.g=t,this.b=n,this},setHSL:function(e,t,n){if(e=ub.euclideanModulo(e,1),t=ub.clamp(t,0,1),n=ub.clamp(n,0,1),0===t)this.r=this.g=this.b=n;else{var i=n<=.5?n*(1+t):n+t-n*t,r=2*n-i;this.r=Gw(r,i,e+1/3),this.g=Gw(r,i,e),this.b=Gw(r,i,e-1/3)}return this},setStyle:function(e){function t(t){void 0!==t&&parseFloat(t)<1&&console.warn("THREE.Color: Alpha component of "+e+" will be ignored.")}var n;if(n=/^((?:rgb|hsl)a?)\(\s*([^\)]*)\)/.exec(e)){var i,r=n[1],a=n[2];switch(r){case"rgb":case"rgba":if(i=/^(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(a))return this.r=Math.min(255,parseInt(i[1],10))/255,this.g=Math.min(255,parseInt(i[2],10))/255,this.b=Math.min(255,parseInt(i[3],10))/255,t(i[5]),this;if(i=/^(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(a))return this.r=Math.min(100,parseInt(i[1],10))/100,this.g=Math.min(100,parseInt(i[2],10))/100,this.b=Math.min(100,parseInt(i[3],10))/100,t(i[5]),this;break;case"hsl":case"hsla":if(i=/^([0-9]*\.?[0-9]+)\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(,\s*([0-9]*\.?[0-9]+)\s*)?$/.exec(a)){var o=parseFloat(i[1])/360,s=parseInt(i[2],10)/100,l=parseInt(i[3],10)/100;return t(i[5]),this.setHSL(o,s,l)}}}else if(n=/^\#([A-Fa-f0-9]+)$/.exec(e)){var c=n[1],h=c.length;if(3===h)return this.r=parseInt(c.charAt(0)+c.charAt(0),16)/255,this.g=parseInt(c.charAt(1)+c.charAt(1),16)/255,this.b=parseInt(c.charAt(2)+c.charAt(2),16)/255,this;if(6===h)return this.r=parseInt(c.charAt(0)+c.charAt(1),16)/255,this.g=parseInt(c.charAt(2)+c.charAt(3),16)/255,this.b=parseInt(c.charAt(4)+c.charAt(5),16)/255,this}return e&&e.length>0?this.setColorName(e):this},setColorName:function(e){var t=Uw[e];return void 0!==t?this.setHex(t):console.warn("THREE.Color: Unknown color "+e),this},clone:function(){return new this.constructor(this.r,this.g,this.b)},copy:function(e){return this.r=e.r,this.g=e.g,this.b=e.b,this},copyGammaToLinear:function(e,t){return void 0===t&&(t=2),this.r=Math.pow(e.r,t),this.g=Math.pow(e.g,t),this.b=Math.pow(e.b,t),this},copyLinearToGamma:function(e,t){void 0===t&&(t=2);var n=t>0?1/t:1;return this.r=Math.pow(e.r,n),this.g=Math.pow(e.g,n),this.b=Math.pow(e.b,n),this},convertGammaToLinear:function(e){return this.copyGammaToLinear(this,e),this},convertLinearToGamma:function(e){return this.copyLinearToGamma(this,e),this},copySRGBToLinear:function(e){return this.r=kw(e.r),this.g=kw(e.g),this.b=kw(e.b),this},copyLinearToSRGB:function(e){return this.r=Vw(e.r),this.g=Vw(e.g),this.b=Vw(e.b),this},convertSRGBToLinear:function(){return this.copySRGBToLinear(this),this},convertLinearToSRGB:function(){return this.copyLinearToSRGB(this),this},getHex:function(){return 255*this.r<<16^255*this.g<<8^255*this.b<<0},getHexString:function(){return("000000"+this.getHex().toString(16)).slice(-6)},getHSL:function(e){void 0===e&&(console.warn("THREE.Color: .getHSL() target is now required"),e={h:0,s:0,l:0});var t,n,i=this.r,r=this.g,a=this.b,o=Math.max(i,r,a),s=Math.min(i,r,a),l=(s+o)/2;if(s===o)t=0,n=0;else{var c=o-s;switch(n=l<=.5?c/(o+s):c/(2-o-s),o){case i:t=(r-a)/c+(r0&&(n.alphaTest=this.alphaTest),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=this.premultipliedAlpha),!0===this.wireframe&&(n.wireframe=this.wireframe),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(n.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(n.wireframeLinejoin=this.wireframeLinejoin),!0===this.morphTargets&&(n.morphTargets=!0),!0===this.morphNormals&&(n.morphNormals=!0),!0===this.skinning&&(n.skinning=!0),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),"{}"!==JSON.stringify(this.userData)&&(n.userData=this.userData),t){var r=i(e.textures),a=i(e.images);r.length>0&&(n.textures=r),a.length>0&&(n.images=a)}return n},clone:function(){return(new this.constructor).copy(this)},copy:function(e){this.name=e.name,this.fog=e.fog,this.blending=e.blending,this.side=e.side,this.flatShading=e.flatShading,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;var t=e.clippingPlanes,n=null;if(null!==t){var i=t.length;n=new Array(i);for(var r=0;r!==i;++r)n[r]=t[r].clone()}return this.clippingPlanes=n,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.premultipliedAlpha=e.premultipliedAlpha,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this},dispose:function(){this.dispatchEvent({type:"dispose"})}}),Object.defineProperty(qw.prototype,"needsUpdate",{set:function(e){!0===e&&this.version++}}),Xw.prototype=Object.create(qw.prototype),Xw.prototype.constructor=Xw,Xw.prototype.isMeshBasicMaterial=!0,Xw.prototype.copy=function(e){return qw.prototype.copy.call(this,e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this};var Yw=new Mb;function Jw(e,t,n){if(Array.isArray(e))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.name="",this.array=e,this.itemSize=t,this.count=void 0!==e?e.length/t:0,this.normalized=!0===n,this.usage=35044,this.updateRange={offset:0,count:-1},this.version=0}function Zw(e,t,n){Jw.call(this,new Int8Array(e),t,n)}function Kw(e,t,n){Jw.call(this,new Uint8Array(e),t,n)}function Qw(e,t,n){Jw.call(this,new Uint8ClampedArray(e),t,n)}function $w(e,t,n){Jw.call(this,new Int16Array(e),t,n)}function e_(e,t,n){Jw.call(this,new Uint16Array(e),t,n)}function t_(e,t,n){Jw.call(this,new Int32Array(e),t,n)}function n_(e,t,n){Jw.call(this,new Uint32Array(e),t,n)}function i_(e,t,n){Jw.call(this,new Float32Array(e),t,n)}function r_(e,t,n){Jw.call(this,new Float64Array(e),t,n)}function a_(){this.vertices=[],this.normals=[],this.colors=[],this.uvs=[],this.uvs2=[],this.groups=[],this.morphTargets={},this.skinWeights=[],this.skinIndices=[],this.boundingBox=null,this.boundingSphere=null,this.verticesNeedUpdate=!1,this.normalsNeedUpdate=!1,this.colorsNeedUpdate=!1,this.uvsNeedUpdate=!1,this.groupsNeedUpdate=!1}function o_(e){if(0===e.length)return-1/0;let t=e[0];for(let n=1,i=e.length;nt&&(t=e[n]);return t}Object.defineProperty(Jw.prototype,"needsUpdate",{set:function(e){!0===e&&this.version++}}),Object.assign(Jw.prototype,{isBufferAttribute:!0,onUploadCallback:function(){},setUsage:function(e){return this.usage=e,this},copy:function(e){return this.name=e.name,this.array=new e.array.constructor(e.array),this.itemSize=e.itemSize,this.count=e.count,this.normalized=e.normalized,this.usage=e.usage,this},copyAt:function(e,t,n){e*=this.itemSize,n*=t.itemSize;for(var i=0,r=this.itemSize;i0,o=r[1]&&r[1].length>0,s=e.morphTargets,l=s.length;if(l>0){t=[];for(var c=0;c0){h=[];for(c=0;c0&&0===n.length&&console.error("THREE.DirectGeometry: Faceless geometries are not supported.");for(c=0;c65535?n_:e_)(e,1):this.index=e},getAttribute:function(e){return this.attributes[e]},setAttribute:function(e,t){return this.attributes[e]=t,this},deleteAttribute:function(e){return delete this.attributes[e],this},addGroup:function(e,t,n){this.groups.push({start:e,count:t,materialIndex:void 0!==n?n:0})},clearGroups:function(){this.groups=[]},setDrawRange:function(e,t){this.drawRange.start=e,this.drawRange.count=t},applyMatrix4:function(e){var t=this.attributes.position;void 0!==t&&(t.applyMatrix4(e),t.needsUpdate=!0);var n=this.attributes.normal;if(void 0!==n){var i=(new db).getNormalMatrix(e);n.applyNormalMatrix(i),n.needsUpdate=!0}var r=this.attributes.tangent;return void 0!==r&&(r.transformDirection(e),r.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this},rotateX:function(e){return l_.makeRotationX(e),this.applyMatrix4(l_),this},rotateY:function(e){return l_.makeRotationY(e),this.applyMatrix4(l_),this},rotateZ:function(e){return l_.makeRotationZ(e),this.applyMatrix4(l_),this},translate:function(e,t,n){return l_.makeTranslation(e,t,n),this.applyMatrix4(l_),this},scale:function(e,t,n){return l_.makeScale(e,t,n),this.applyMatrix4(l_),this},lookAt:function(e){return c_.lookAt(e),c_.updateMatrix(),this.applyMatrix4(c_.matrix),this},center:function(){return this.computeBoundingBox(),this.boundingBox.getCenter(h_).negate(),this.translate(h_.x,h_.y,h_.z),this},setFromObject:function(e){var t=e.geometry;if(e.isPoints||e.isLine){var n=new i_(3*t.vertices.length,3),i=new i_(3*t.colors.length,3);if(this.setAttribute("position",n.copyVector3sArray(t.vertices)),this.setAttribute("color",i.copyColorsArray(t.colors)),t.lineDistances&&t.lineDistances.length===t.vertices.length){var r=new i_(t.lineDistances.length,1);this.setAttribute("lineDistance",r.copyArray(t.lineDistances))}null!==t.boundingSphere&&(this.boundingSphere=t.boundingSphere.clone()),null!==t.boundingBox&&(this.boundingBox=t.boundingBox.clone())}else e.isMesh&&t&&t.isGeometry&&this.fromGeometry(t);return this},setFromPoints:function(e){for(var t=[],n=0,i=e.length;n0){var n=new Float32Array(3*e.normals.length);this.setAttribute("normal",new Jw(n,3).copyVector3sArray(e.normals))}if(e.colors.length>0){var i=new Float32Array(3*e.colors.length);this.setAttribute("color",new Jw(i,3).copyColorsArray(e.colors))}if(e.uvs.length>0){var r=new Float32Array(2*e.uvs.length);this.setAttribute("uv",new Jw(r,2).copyVector2sArray(e.uvs))}if(e.uvs2.length>0){var a=new Float32Array(2*e.uvs2.length);this.setAttribute("uv2",new Jw(a,2).copyVector2sArray(e.uvs2))}for(var o in this.groups=e.groups,e.morphTargets){for(var s=[],l=e.morphTargets[o],c=0,h=l.length;c0){var d=new i_(4*e.skinIndices.length,4);this.setAttribute("skinIndex",d.copyVector4sArray(e.skinIndices))}if(e.skinWeights.length>0){var f=new i_(4*e.skinWeights.length,4);this.setAttribute("skinWeight",f.copyVector4sArray(e.skinWeights))}return null!==e.boundingSphere&&(this.boundingSphere=e.boundingSphere.clone()),null!==e.boundingBox&&(this.boundingBox=e.boundingBox.clone()),this},computeBoundingBox:function(){null===this.boundingBox&&(this.boundingBox=new hw);var e=this.attributes.position,t=this.morphAttributes.position;if(void 0!==e){if(this.boundingBox.setFromBufferAttribute(e),t)for(var n=0,i=t.length;n0&&(e.userData=this.userData),void 0!==this.parameters){var t=this.parameters;for(var n in t)void 0!==t[n]&&(e[n]=t[n]);return e}e.data={attributes:{}};var i=this.index;null!==i&&(e.data.index={type:i.array.constructor.name,array:Array.prototype.slice.call(i.array)});var r=this.attributes;for(var n in r){var a=(p=r[n]).toJSON();""!==p.name&&(a.name=p.name),e.data.attributes[n]=a}var o={},s=!1;for(var n in this.morphAttributes){for(var l=this.morphAttributes[n],c=[],h=0,u=l.length;h0&&(o[n]=c,s=!0)}s&&(e.data.morphAttributes=o,e.data.morphTargetsRelative=this.morphTargetsRelative);var d=this.groups;d.length>0&&(e.data.groups=JSON.parse(JSON.stringify(d)));var f=this.boundingSphere;return null!==f&&(e.data.boundingSphere={center:f.center.toArray(),radius:f.radius}),e},clone:function(){return(new f_).copy(this)},copy:function(e){var t,n,i;this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.name=e.name;var r=e.index;null!==r&&this.setIndex(r.clone());var a=e.attributes;for(t in a){var o=a[t];this.setAttribute(t,o.clone())}var s=e.morphAttributes;for(t in s){var l=[],c=s[t];for(n=0,i=c.length;nn.far?null:{distance:l,point:C_.clone(),object:e}}function D_(e,t,n,i,r,a,o,s,l,c,h,u){y_.fromBufferAttribute(r,c),x_.fromBufferAttribute(r,h),b_.fromBufferAttribute(r,u);var p=e.morphTargetInfluences;if(t.morphTargets&&a&&p){S_.set(0,0,0),T_.set(0,0,0),E_.set(0,0,0);for(var d=0,f=a.length;d0){var o=r[a[0]];if(void 0!==o)for(this.morphTargetInfluences=[],this.morphTargetDictionary={},e=0,t=o.length;e0&&console.error("THREE.Mesh.updateMorphTargets() no longer supports THREE.Geometry. Use THREE.BufferGeometry instead.")}},raycast:function(e,t){var n,i=this.geometry,r=this.material,a=this.matrixWorld;if(void 0!==r&&(null===i.boundingSphere&&i.computeBoundingSphere(),v_.copy(i.boundingSphere),v_.applyMatrix4(a),!1!==e.ray.intersectsSphere(v_)&&(m_.getInverse(a),g_.copy(e.ray).applyMatrix4(m_),null===i.boundingBox||!1!==g_.intersectsBox(i.boundingBox))))if(i.isBufferGeometry){var o,s,l,c,h,u,p,d,f,m=i.index,g=i.attributes.position,v=i.morphAttributes.position,y=i.morphTargetsRelative,x=i.attributes.uv,b=i.attributes.uv2,w=i.groups,_=i.drawRange;if(null!==m)if(Array.isArray(r))for(c=0,u=w.length;c0&&(E=P);for(var C=0,O=R.length;C0)for(c=0;c0&&(this.normalsNeedUpdate=!0)},computeFlatVertexNormals:function(){var e,t,n;for(this.computeFaceNormals(),e=0,t=this.faces.length;e0&&(this.normalsNeedUpdate=!0)},computeMorphNormals:function(){var e,t,n,i,r;for(n=0,i=this.faces.length;n=0;n--){var f=p[n];for(this.faces.splice(f,1),o=0,s=this.faceVertexUvs.length;o0,g=d.vertexNormals.length>0,v=1!==d.color.r||1!==d.color.g||1!==d.color.b,y=d.vertexColors.length>0,x=0;if(x=M(x,0,0),x=M(x,1,!0),x=M(x,2,!1),x=M(x,3,f),x=M(x,4,m),x=M(x,5,g),x=M(x,6,v),x=M(x,7,y),o.push(x),o.push(d.a,d.b,d.c),o.push(d.materialIndex),f){var b=this.faceVertexUvs[0][r];o.push(E(b[0]),E(b[1]),E(b[2]))}if(m&&o.push(S(d.normal)),g){var w=d.vertexNormals;o.push(S(w[0]),S(w[1]),S(w[2]))}if(v&&o.push(T(d.color)),y){var _=d.vertexColors;o.push(T(_[0]),T(_[1]),T(_[2]))}}function M(e,t,n){return n?e|1<0&&(e.data.colors=c),u.length>0&&(e.data.uvs=[u]),e.data.faces=o,e},clone:function(){return(new B_).copy(this)},copy:function(e){var t,n,i,r,a,o;this.vertices=[],this.colors=[],this.faces=[],this.faceVertexUvs=[[]],this.morphTargets=[],this.morphNormals=[],this.skinWeights=[],this.skinIndices=[],this.lineDistances=[],this.boundingBox=null,this.boundingSphere=null,this.name=e.name;var s=e.vertices;for(t=0,n=s.length;t0?1:-1,c.push(A.x,A.y,A.z),h.push(s/m),h.push(1-a/g),T+=1}}for(let e=0;e0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader;var r={};for(var a in this.extensions)!0===this.extensions[a]&&(r[a]=!0);return Object.keys(r).length>0&&(t.extensions=r),t},W_.prototype=Object.assign(Object.create(Jb.prototype),{constructor:W_,isCamera:!0,copy:function(e,t){return Jb.prototype.copy.call(this,e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this},getWorldDirection:function(e){void 0===e&&(console.warn("THREE.Camera: .getWorldDirection() target is now required"),e=new Mb),this.updateMatrixWorld(!0);var t=this.matrixWorld.elements;return e.set(-t[8],-t[9],-t[10]).normalize()},updateMatrixWorld:function(e){Jb.prototype.updateMatrixWorld.call(this,e),this.matrixWorldInverse.getInverse(this.matrixWorld)},updateWorldMatrix:function(e,t){Jb.prototype.updateWorldMatrix.call(this,e,t),this.matrixWorldInverse.getInverse(this.matrixWorld)},clone:function(){return(new this.constructor).copy(this)}}),q_.prototype=Object.assign(Object.create(W_.prototype),{constructor:q_,isPerspectiveCamera:!0,copy:function(e,t){return W_.prototype.copy.call(this,e,t),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=null===e.view?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this},setFocalLength:function(e){var t=.5*this.getFilmHeight()/e;this.fov=2*ub.RAD2DEG*Math.atan(t),this.updateProjectionMatrix()},getFocalLength:function(){var e=Math.tan(.5*ub.DEG2RAD*this.fov);return.5*this.getFilmHeight()/e},getEffectiveFOV:function(){return 2*ub.RAD2DEG*Math.atan(Math.tan(.5*ub.DEG2RAD*this.fov)/this.zoom)},getFilmWidth:function(){return this.filmGauge*Math.min(this.aspect,1)},getFilmHeight:function(){return this.filmGauge/Math.max(this.aspect,1)},setViewOffset:function(e,t,n,i,r,a){this.aspect=e/t,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=a,this.updateProjectionMatrix()},clearViewOffset:function(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()},updateProjectionMatrix:function(){var e=this.near,t=e*Math.tan(.5*ub.DEG2RAD*this.fov)/this.zoom,n=2*t,i=this.aspect*n,r=-.5*i,a=this.view;if(null!==this.view&&this.view.enabled){var o=a.fullWidth,s=a.fullHeight;r+=a.offsetX*i/o,t-=a.offsetY*n/s,i*=a.width/o,n*=a.height/s}var l=this.filmOffset;0!==l&&(r+=e*l/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,t,t-n,e,this.far),this.projectionMatrixInverse.getInverse(this.projectionMatrix)},toJSON:function(e){var t=Jb.prototype.toJSON.call(this,e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,null!==this.view&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}});function X_(e,t,n){if(Jb.call(this),this.type="CubeCamera",!0===n.isWebGLCubeRenderTarget){this.renderTarget=n;var i=new q_(90,1,e,t);i.layers=this.layers,i.up.set(0,-1,0),i.lookAt(new Mb(1,0,0)),this.add(i);var r=new q_(90,1,e,t);r.layers=this.layers,r.up.set(0,-1,0),r.lookAt(new Mb(-1,0,0)),this.add(r);var a=new q_(90,1,e,t);a.layers=this.layers,a.up.set(0,0,1),a.lookAt(new Mb(0,1,0)),this.add(a);var o=new q_(90,1,e,t);o.layers=this.layers,o.up.set(0,0,-1),o.lookAt(new Mb(0,-1,0)),this.add(o);var s=new q_(90,1,e,t);s.layers=this.layers,s.up.set(0,-1,0),s.lookAt(new Mb(0,0,1)),this.add(s);var l=new q_(90,1,e,t);l.layers=this.layers,l.up.set(0,-1,0),l.lookAt(new Mb(0,0,-1)),this.add(l),this.update=function(e,t){null===this.parent&&this.updateMatrixWorld();var c=e.xr.enabled,h=e.getRenderTarget();e.xr.enabled=!1;var u=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,e.setRenderTarget(n,0),e.render(t,i),e.setRenderTarget(n,1),e.render(t,r),e.setRenderTarget(n,2),e.render(t,a),e.setRenderTarget(n,3),e.render(t,o),e.setRenderTarget(n,4),e.render(t,s),n.texture.generateMipmaps=u,e.setRenderTarget(n,5),e.render(t,l),e.setRenderTarget(h),e.xr.enabled=c},this.clear=function(e,t,i,r){for(var a=e.getRenderTarget(),o=0;o<6;o++)e.setRenderTarget(n,o),e.clear(t,i,r);e.setRenderTarget(a)}}else console.error("THREE.CubeCamera: The constructor now expects an instance of WebGLCubeRenderTarget as third parameter.")}function Y_(e,t,n){Number.isInteger(t)&&(console.warn("THREE.WebGLCubeRenderTarget: constructor signature is now WebGLCubeRenderTarget( size, options )"),t=n),yb.call(this,e,e,t)}function J_(e,t,n,i,r,a,o,s,l,c,h,u){gb.call(this,null,a,o,s,l,c,i,r,h,u),this.image={data:e||null,width:t||1,height:n||1},this.magFilter=void 0!==l?l:1003,this.minFilter=void 0!==c?c:1003,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.needsUpdate=!0}X_.prototype=Object.create(Jb.prototype),X_.prototype.constructor=X_,Y_.prototype=Object.create(yb.prototype),Y_.prototype.constructor=Y_,Y_.prototype.isWebGLCubeRenderTarget=!0,Y_.prototype.fromEquirectangularTexture=function(e,t){this.texture.type=t.type,this.texture.format=t.format,this.texture.encoding=t.encoding;var n=new Zb,i={uniforms:{tEquirect:{value:null}},vertexShader:["varying vec3 vWorldDirection;","vec3 transformDirection( in vec3 dir, in mat4 matrix ) {","\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz 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Tw]}Object.assign(Q_.prototype,{set:function(e,t,n,i,r,a){var o=this.planes;return o[0].copy(e),o[1].copy(t),o[2].copy(n),o[3].copy(i),o[4].copy(r),o[5].copy(a),this},clone:function(){return(new this.constructor).copy(this)},copy:function(e){for(var t=this.planes,n=0;n<6;n++)t[n].copy(e.planes[n]);return this},setFromProjectionMatrix:function(e){var t=this.planes,n=e.elements,i=n[0],r=n[1],a=n[2],o=n[3],s=n[4],l=n[5],c=n[6],h=n[7],u=n[8],p=n[9],d=n[10],f=n[11],m=n[12],g=n[13],v=n[14],y=n[15];return t[0].setComponents(o-i,h-s,f-u,y-m).normalize(),t[1].setComponents(o+i,h+s,f+u,y+m).normalize(),t[2].setComponents(o+r,h+l,f+p,y+g).normalize(),t[3].setComponents(o-r,h-l,f-p,y-g).normalize(),t[4].setComponents(o-a,h-c,f-d,y-v).normalize(),t[5].setComponents(o+a,h+c,f+d,y+v).normalize(),this},intersectsObject:function(e){var t=e.geometry;return null===t.boundingSphere&&t.computeBoundingSphere(),Z_.copy(t.boundingSphere).applyMatrix4(e.matrixWorld),this.intersectsSphere(Z_)},intersectsSprite:function(e){return Z_.center.set(0,0,0),Z_.radius=.7071067811865476,Z_.applyMatrix4(e.matrixWorld),this.intersectsSphere(Z_)},intersectsSphere:function(e){for(var t=this.planes,n=e.center,i=-e.radius,r=0;r<6;r++){if(t[r].distanceToPoint(n)0?e.max.x:e.min.x,K_.y=i.normal.y>0?e.max.y:e.min.y,K_.z=i.normal.z>0?e.max.z:e.min.z,i.distanceToPoint(K_)<0)return!1}return!0},containsPoint:function(e){for(var t=this.planes,n=0;n<6;n++)if(t[n].distanceToPoint(e)<0)return!1;return!0}});var $_={common:{diffuse:{value:new Hw(15658734)},opacity:{value:1},map:{value:null},uvTransform:{value:new db},uv2Transform:{value:new db},alphaMap:{value:null}},specularmap:{specularMap:{value:null}},envmap:{envMap:{value:null},flipEnvMap:{value:-1},reflectivity:{value:1},refractionRatio:{value:.98},maxMipLevel:{value:0}},aomap:{aoMap:{value:null},aoMapIntensity:{value:1}},lightmap:{lightMap:{value:null},lightMapIntensity:{value:1}},emissivemap:{emissiveMap:{value:null}},bumpmap:{bumpMap:{value:null},bumpScale:{value:1}},normalmap:{normalMap:{value:null},normalScale:{value:new pb(1,1)}},displacementmap:{displacementMap:{value:null},displacementScale:{value:1},displacementBias:{value:0}},roughnessmap:{roughnessMap:{value:null}},metalnessmap:{metalnessMap:{value:null}},gradientmap:{gradientMap:{value:null}},fog:{fogDensity:{value:25e-5},fogNear:{value:1},fogFar:{value:2e3},fogColor:{value:new Hw(16777215)}},lights:{ambientLightColor:{value:[]},lightProbe:{value:[]},directionalLights:{value:[],properties:{direction:{},color:{}}},directionalLightShadows:{value:[],properties:{shadowBias:{},shadowRadius:{},shadowMapSize:{}}},directionalShadowMap:{value:[]},directionalShadowMatrix:{value:[]},spotLights:{value:[],properties:{color:{},position:{},direction:{},distance:{},coneCos:{},penumbraCos:{},decay:{}}},spotLightShadows:{value:[],properties:{shadowBias:{},shadowRadius:{},shadowMapSize:{}}},spotShadowMap:{value:[]},spotShadowMatrix:{value:[]},pointLights:{value:[],properties:{color:{},position:{},decay:{},distance:{}}},pointLightShadows:{value:[],properties:{shadowBias:{},shadowRadius:{},shadowMapSize:{},shadowCameraNear:{},shadowCameraFar:{}}},pointShadowMap:{value:[]},pointShadowMatrix:{value:[]},hemisphereLights:{value:[],properties:{direction:{},skyColor:{},groundColor:{}}},rectAreaLights:{value:[],properties:{color:{},position:{},width:{},height:{}}}},points:{diffuse:{value:new Hw(15658734)},opacity:{value:1},size:{value:1},scale:{value:1},map:{value:null},alphaMap:{value:null},uvTransform:{value:new db}},sprite:{diffuse:{value:new Hw(15658734)},opacity:{value:1},center:{value:new pb(.5,.5)},rotation:{value:0},map:{value:null},alphaMap:{value:null},uvTransform:{value:new db}}};function eM(){var e=null,t=!1,n=null;function i(r,a){!1!==t&&(n(r,a),e.requestAnimationFrame(i))}return{start:function(){!0!==t&&null!==n&&(e.requestAnimationFrame(i),t=!0)},stop:function(){t=!1},setAnimationLoop:function(e){n=e},setContext:function(t){e=t}}}function tM(e,t){var n=t.isWebGL2,i=new WeakMap;return{get:function(e){return e.isInterleavedBufferAttribute&&(e=e.data),i.get(e)},remove:function(t){t.isInterleavedBufferAttribute&&(t=t.data);var n=i.get(t);n&&(e.deleteBuffer(n.buffer),i.delete(t))},update:function(t,r){t.isInterleavedBufferAttribute&&(t=t.data);var a=i.get(t);void 0===a?i.set(t,function(t,n){var i=t.array,r=t.usage,a=e.createBuffer();e.bindBuffer(n,a),e.bufferData(n,i,r),t.onUploadCallback();var o=5126;return i instanceof Float32Array?o=5126:i instanceof Float64Array?console.warn("THREE.WebGLAttributes: Unsupported data buffer format: Float64Array."):i instanceof Uint16Array?o=5123:i instanceof Int16Array?o=5122:i instanceof Uint32Array?o=5125:i instanceof Int32Array?o=5124:i instanceof Int8Array?o=5120:i instanceof Uint8Array&&(o=5121),{buffer:a,type:o,bytesPerElement:i.BYTES_PER_ELEMENT,version:t.version}}(t,r)):a.version 0.0 ) {\n\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t}\n\treturn distanceFalloff;\n#else\n\tif( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\treturn pow( saturate( -lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t}\n\treturn 1.0;\n#endif\n}\nvec3 BRDF_Diffuse_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 specularColor, const in float dotLH ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotLH - 6.98316 ) * dotLH );\n\treturn ( 1.0 - specularColor ) * fresnel + specularColor;\n}\nvec3 F_Schlick_RoughnessDependent( const in vec3 F0, const in float dotNV, const in float roughness ) {\n\tfloat fresnel = exp2( ( -5.55473 * dotNV - 6.98316 ) * dotNV );\n\tvec3 Fr = max( vec3( 1.0 - roughness ), F0 ) - F0;\n\treturn Fr * fresnel + F0;\n}\nfloat G_GGX_Smith( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gl = dotNL + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\tfloat gv = dotNV + sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\treturn 1.0 / ( gl * gv );\n}\nfloat G_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\nvec3 BRDF_Specular_GGX( const in IncidentLight incidentLight, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( incidentLight.direction + viewDir );\n\tfloat dotNL = saturate( dot( normal, incidentLight.direction ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\tfloat D = D_GGX( alpha, dotNH );\n\treturn F * ( G * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\nvec3 BRDF_Specular_GGX_Environment( const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\treturn specularColor * brdf.x + brdf.y;\n}\nvoid BRDF_Specular_Multiscattering_Environment( const in GeometricContext geometry, const in vec3 specularColor, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\tvec3 F = F_Schlick_RoughnessDependent( specularColor, dotNV, roughness );\n\tvec2 brdf = integrateSpecularBRDF( dotNV, roughness );\n\tvec3 FssEss = F * brdf.x + brdf.y;\n\tfloat Ess = brdf.x + brdf.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = specularColor + ( 1.0 - specularColor ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\nfloat G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_Specular_BlinnPhong( const in IncidentLight incidentLight, const in GeometricContext geometry, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( incidentLight.direction + geometry.viewDir );\n\tfloat dotNH = saturate( dot( geometry.normal, halfDir ) );\n\tfloat dotLH = saturate( dot( incidentLight.direction, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, dotLH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n}\nfloat GGXRoughnessToBlinnExponent( const in float ggxRoughness ) {\n\treturn ( 2.0 / pow2( ggxRoughness + 0.0001 ) - 2.0 );\n}\nfloat BlinnExponentToGGXRoughness( const in float blinnExponent ) {\n\treturn sqrt( 2.0 / ( blinnExponent + 2.0 ) );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie(float roughness, float NoH) {\n\tfloat invAlpha = 1.0 / roughness;\n\tfloat cos2h = NoH * NoH;\n\tfloat sin2h = max(1.0 - cos2h, 0.0078125);\treturn (2.0 + invAlpha) * pow(sin2h, invAlpha * 0.5) / (2.0 * PI);\n}\nfloat V_Neubelt(float NoV, float NoL) {\n\treturn saturate(1.0 / (4.0 * (NoL + NoV - NoL * NoV)));\n}\nvec3 BRDF_Specular_Sheen( const in float roughness, const in vec3 L, const in GeometricContext geometry, vec3 specularColor ) {\n\tvec3 N = geometry.normal;\n\tvec3 V = geometry.viewDir;\n\tvec3 H = normalize( V + L );\n\tfloat dotNH = saturate( dot( N, H ) );\n\treturn specularColor * D_Charlie( roughness, dotNH ) * V_Neubelt( dot(N, V), dot(N, L) );\n}\n#endif",bumpmap_pars_fragment:"#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vUv );\n\t\tvec2 dSTdy = dFdy( vUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy ) {\n\t\tvec3 vSigmaX = vec3( dFdx( surf_pos.x ), dFdx( surf_pos.y ), dFdx( surf_pos.z ) );\n\t\tvec3 vSigmaY = vec3( dFdy( surf_pos.x ), dFdy( surf_pos.y ), dFdy( surf_pos.z ) );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 );\n\t\tfDet *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif",clipping_planes_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t#pragma unroll_loop_end\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\tif ( clipped ) discard;\n\t#endif\n#endif",clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",color_fragment:"#ifdef USE_COLOR\n\tdiffuseColor.rgb *= vColor;\n#endif",color_pars_fragment:"#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif",color_pars_vertex:"#ifdef USE_COLOR\n\tvarying vec3 vColor;\n#endif",color_vertex:"#ifdef USE_COLOR\n\tvColor.xyz = color.xyz;\n#endif",common:"#define PI 3.14159265359\n#define PI2 6.28318530718\n#define PI_HALF 1.5707963267949\n#define RECIPROCAL_PI 0.31830988618\n#define RECIPROCAL_PI2 0.15915494\n#define LOG2 1.442695\n#define EPSILON 1e-6\n#ifndef saturate\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\n#define whiteComplement(a) ( 1.0 - saturate( a ) )\nfloat pow2( const in float x ) { return x*x; }\nfloat pow3( const in float x ) { return x*x*x; }\nfloat pow4( const in float x ) { float x2 = x*x; return x2*x2; }\nfloat average( const in vec3 color ) { return dot( color, vec3( 0.3333 ) ); }\nhighp float rand( const in vec2 uv ) {\n\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract(sin(sn) * c);\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat max3( vec3 v ) { return max( max( v.x, v.y ), v.z ); }\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nvec3 projectOnPlane(in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\tfloat distance = dot( planeNormal, point - pointOnPlane );\n\treturn - distance * planeNormal + point;\n}\nfloat sideOfPlane( in vec3 point, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn sign( dot( point - pointOnPlane, planeNormal ) );\n}\nvec3 linePlaneIntersect( in vec3 pointOnLine, in vec3 lineDirection, in vec3 pointOnPlane, in vec3 planeNormal ) {\n\treturn lineDirection * ( dot( planeNormal, pointOnPlane - pointOnLine ) / dot( planeNormal, lineDirection ) ) + pointOnLine;\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat linearToRelativeLuminance( const in vec3 color ) {\n\tvec3 weights = vec3( 0.2126, 0.7152, 0.0722 );\n\treturn dot( weights, color.rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n return m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n#define cubeUV_maxMipLevel 8.0\n#define cubeUV_minMipLevel 4.0\n#define cubeUV_maxTileSize 256.0\n#define cubeUV_minTileSize 16.0\nfloat getFace(vec3 direction) {\n vec3 absDirection = abs(direction);\n float face = -1.0;\n if (absDirection.x > absDirection.z) {\n if (absDirection.x > absDirection.y)\n face = direction.x > 0.0 ? 0.0 : 3.0;\n else\n face = direction.y > 0.0 ? 1.0 : 4.0;\n } else {\n if (absDirection.z > absDirection.y)\n face = direction.z > 0.0 ? 2.0 : 5.0;\n else\n face = direction.y > 0.0 ? 1.0 : 4.0;\n }\n return face;\n}\nvec2 getUV(vec3 direction, float face) {\n vec2 uv;\n if (face == 0.0) {\n uv = vec2(direction.z, direction.y) / abs(direction.x); } else if (face == 1.0) {\n uv = vec2(-direction.x, -direction.z) / abs(direction.y); } else if (face == 2.0) {\n uv = vec2(-direction.x, direction.y) / abs(direction.z); } else if (face == 3.0) {\n uv = vec2(-direction.z, direction.y) / abs(direction.x); } else if (face == 4.0) {\n uv = vec2(-direction.x, direction.z) / abs(direction.y); } else {\n uv = vec2(direction.x, direction.y) / abs(direction.z); }\n return 0.5 * (uv + 1.0);\n}\nvec3 bilinearCubeUV(sampler2D envMap, vec3 direction, float mipInt) {\n float face = getFace(direction);\n float filterInt = max(cubeUV_minMipLevel - mipInt, 0.0);\n mipInt = max(mipInt, cubeUV_minMipLevel);\n float faceSize = exp2(mipInt);\n float texelSize = 1.0 / (3.0 * cubeUV_maxTileSize);\n vec2 uv = getUV(direction, face) * (faceSize - 1.0);\n vec2 f = fract(uv);\n uv += 0.5 - f;\n if (face > 2.0) {\n uv.y += faceSize;\n face -= 3.0;\n }\n uv.x += face * faceSize;\n if(mipInt < cubeUV_maxMipLevel){\n uv.y += 2.0 * cubeUV_maxTileSize;\n }\n uv.y += filterInt * 2.0 * cubeUV_minTileSize;\n uv.x += 3.0 * max(0.0, cubeUV_maxTileSize - 2.0 * faceSize);\n uv *= texelSize;\n vec3 tl = envMapTexelToLinear(texture2D(envMap, uv)).rgb;\n uv.x += texelSize;\n vec3 tr = envMapTexelToLinear(texture2D(envMap, uv)).rgb;\n uv.y += texelSize;\n vec3 br = envMapTexelToLinear(texture2D(envMap, uv)).rgb;\n uv.x -= texelSize;\n vec3 bl = envMapTexelToLinear(texture2D(envMap, uv)).rgb;\n vec3 tm = mix(tl, tr, f.x);\n vec3 bm = mix(bl, br, f.x);\n return mix(tm, bm, f.y);\n}\n#define r0 1.0\n#define v0 0.339\n#define m0 -2.0\n#define r1 0.8\n#define v1 0.276\n#define m1 -1.0\n#define r4 0.4\n#define v4 0.046\n#define m4 2.0\n#define r5 0.305\n#define v5 0.016\n#define m5 3.0\n#define r6 0.21\n#define v6 0.0038\n#define m6 4.0\nfloat roughnessToMip(float roughness) {\n float mip = 0.0;\n if (roughness >= r1) {\n mip = (r0 - roughness) * (m1 - m0) / (r0 - r1) + m0;\n } else if (roughness >= r4) {\n mip = (r1 - roughness) * (m4 - m1) / (r1 - r4) + m1;\n } else if (roughness >= r5) {\n mip = (r4 - roughness) * (m5 - m4) / (r4 - r5) + m4;\n } else if (roughness >= r6) {\n mip = (r5 - roughness) * (m6 - m5) / (r5 - r6) + m5;\n } else {\n mip = -2.0 * log2(1.16 * roughness); }\n return mip;\n}\nvec4 textureCubeUV(sampler2D envMap, vec3 sampleDir, float roughness) {\n float mip = clamp(roughnessToMip(roughness), m0, cubeUV_maxMipLevel);\n float mipF = fract(mip);\n float mipInt = floor(mip);\n vec3 color0 = bilinearCubeUV(envMap, sampleDir, mipInt);\n if (mipF == 0.0) {\n return vec4(color0, 1.0);\n } else {\n vec3 color1 = bilinearCubeUV(envMap, sampleDir, mipInt + 1.0);\n return vec4(mix(color0, color1, mipF), 1.0);\n }\n}\n#endif",defaultnormal_vertex:"vec3 transformedNormal = objectNormal;\n#ifdef USE_INSTANCING\n\tmat3 m = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n\ttransformedNormal = m * transformedNormal;\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vUv );\n\temissiveColor.rgb = emissiveMapTexelToLinear( emissiveColor ).rgb;\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",encodings_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",encodings_pars_fragment:"\nvec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 GammaToLinear( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( gammaFactor ) ), value.a );\n}\nvec4 LinearToGamma( in vec4 value, in float gammaFactor ) {\n\treturn vec4( pow( value.rgb, vec3( 1.0 / gammaFactor ) ), value.a );\n}\nvec4 sRGBToLinear( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}\nvec4 RGBEToLinear( in vec4 value ) {\n\treturn vec4( value.rgb * exp2( value.a * 255.0 - 128.0 ), 1.0 );\n}\nvec4 LinearToRGBE( in vec4 value ) {\n\tfloat maxComponent = max( max( value.r, value.g ), value.b );\n\tfloat fExp = clamp( ceil( log2( maxComponent ) ), -128.0, 127.0 );\n\treturn vec4( value.rgb / exp2( fExp ), ( fExp + 128.0 ) / 255.0 );\n}\nvec4 RGBMToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * value.a * maxRange, 1.0 );\n}\nvec4 LinearToRGBM( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat M = clamp( maxRGB / maxRange, 0.0, 1.0 );\n\tM = ceil( M * 255.0 ) / 255.0;\n\treturn vec4( value.rgb / ( M * maxRange ), M );\n}\nvec4 RGBDToLinear( in vec4 value, in float maxRange ) {\n\treturn vec4( value.rgb * ( ( maxRange / 255.0 ) / value.a ), 1.0 );\n}\nvec4 LinearToRGBD( in vec4 value, in float maxRange ) {\n\tfloat maxRGB = max( value.r, max( value.g, value.b ) );\n\tfloat D = max( maxRange / maxRGB, 1.0 );\n\tD = clamp( floor( D ) / 255.0, 0.0, 1.0 );\n\treturn vec4( value.rgb * ( D * ( 255.0 / maxRange ) ), D );\n}\nconst mat3 cLogLuvM = mat3( 0.2209, 0.3390, 0.4184, 0.1138, 0.6780, 0.7319, 0.0102, 0.1130, 0.2969 );\nvec4 LinearToLogLuv( in vec4 value ) {\n\tvec3 Xp_Y_XYZp = cLogLuvM * value.rgb;\n\tXp_Y_XYZp = max( Xp_Y_XYZp, vec3( 1e-6, 1e-6, 1e-6 ) );\n\tvec4 vResult;\n\tvResult.xy = Xp_Y_XYZp.xy / Xp_Y_XYZp.z;\n\tfloat Le = 2.0 * log2(Xp_Y_XYZp.y) + 127.0;\n\tvResult.w = fract( Le );\n\tvResult.z = ( Le - ( floor( vResult.w * 255.0 ) ) / 255.0 ) / 255.0;\n\treturn vResult;\n}\nconst mat3 cLogLuvInverseM = mat3( 6.0014, -2.7008, -1.7996, -1.3320, 3.1029, -5.7721, 0.3008, -1.0882, 5.6268 );\nvec4 LogLuvToLinear( in vec4 value ) {\n\tfloat Le = value.z * 255.0 + value.w;\n\tvec3 Xp_Y_XYZp;\n\tXp_Y_XYZp.y = exp2( ( Le - 127.0 ) / 2.0 );\n\tXp_Y_XYZp.z = Xp_Y_XYZp.y / value.y;\n\tXp_Y_XYZp.x = value.x * Xp_Y_XYZp.z;\n\tvec3 vRGB = cLogLuvInverseM * Xp_Y_XYZp.rgb;\n\treturn vec4( max( vRGB, 0.0 ), 1.0 );\n}",envmap_fragment:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\t\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 envColor = textureCubeUV( envMap, reflectVec, 0.0 );\n\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\treflectVec = normalize( reflectVec );\n\t\tvec2 sampleUV = equirectUv( reflectVec );\n\t\tvec4 envColor = texture2D( envMap, sampleUV );\n\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\treflectVec = normalize( reflectVec );\n\t\tvec3 reflectView = normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0, 0.0, 1.0 ) );\n\t\tvec4 envColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5 );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifndef ENVMAP_TYPE_CUBE_UV\n\t\tenvColor = envMapTexelToLinear( envColor );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\tuniform int maxMipLevel;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",envmap_pars_vertex:"#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) ||defined( PHONG )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",envmap_physical_pars_fragment:"#if defined( USE_ENVMAP )\n\t#ifdef ENVMAP_MODE_REFRACTION\n\t\tuniform float refractionRatio;\n\t#endif\n\tvec3 getLightProbeIndirectIrradiance( const in GeometricContext geometry, const in int maxMIPLevel ) {\n\t\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryVec = vec3( flipEnvMap * worldNormal.x, worldNormal.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryVec, float( maxMIPLevel ) );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\n\t\t#else\n\t\t\tvec4 envMapColor = vec4( 0.0 );\n\t\t#endif\n\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t}\n\tfloat getSpecularMIPLevel( const in float roughness, const in int maxMIPLevel ) {\n\t\tfloat maxMIPLevelScalar = float( maxMIPLevel );\n\t\tfloat sigma = PI * roughness * roughness / ( 1.0 + roughness );\n\t\tfloat desiredMIPLevel = maxMIPLevelScalar + log2( sigma );\n\t\treturn clamp( desiredMIPLevel, 0.0, maxMIPLevelScalar );\n\t}\n\tvec3 getLightProbeIndirectRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in int maxMIPLevel ) {\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t vec3 reflectVec = reflect( -viewDir, normal );\n\t\t reflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t#else\n\t\t vec3 reflectVec = refract( -viewDir, normal, refractionRatio );\n\t\t#endif\n\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\tfloat specularMIPLevel = getSpecularMIPLevel( roughness, maxMIPLevel );\n\t\t#ifdef ENVMAP_TYPE_CUBE\n\t\t\tvec3 queryReflectVec = vec3( flipEnvMap * reflectVec.x, reflectVec.yz );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = textureCubeLodEXT( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = textureCube( envMap, queryReflectVec, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\n\t\t#elif defined( ENVMAP_TYPE_EQUIREC )\n\t\t\tvec2 sampleUV = equirectUv( reflectVec );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, sampleUV, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, sampleUV, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#elif defined( ENVMAP_TYPE_SPHERE )\n\t\t\tvec3 reflectView = normalize( ( viewMatrix * vec4( reflectVec, 0.0 ) ).xyz + vec3( 0.0,0.0,1.0 ) );\n\t\t\t#ifdef TEXTURE_LOD_EXT\n\t\t\t\tvec4 envMapColor = texture2DLodEXT( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#else\n\t\t\t\tvec4 envMapColor = texture2D( envMap, reflectView.xy * 0.5 + 0.5, specularMIPLevel );\n\t\t\t#endif\n\t\t\tenvMapColor.rgb = envMapTexelToLinear( envMapColor ).rgb;\n\t\t#endif\n\t\treturn envMapColor.rgb * envMapIntensity;\n\t}\n#endif",envmap_vertex:"#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) { \n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",fog_vertex:"#ifdef USE_FOG\n\tfogDepth = -mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n\tvarying float fogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * fogDepth * fogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, fogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment:"#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float fogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",gradientmap_pars_fragment:"#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn texture2D( gradientMap, coord ).rgb;\n\t#else\n\t\treturn ( coord.x < 0.7 ) ? vec3( 0.7 ) : vec3( 1.0 );\n\t#endif\n}",lightmap_fragment:"#ifdef USE_LIGHTMAP\n\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\treflectedLight.indirectDiffuse += PI * lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n#endif",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",lights_lambert_vertex:"vec3 diffuse = vec3( 1.0 );\nGeometricContext geometry;\ngeometry.position = mvPosition.xyz;\ngeometry.normal = normalize( transformedNormal );\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( -mvPosition.xyz );\nGeometricContext backGeometry;\nbackGeometry.position = geometry.position;\nbackGeometry.normal = -geometry.normal;\nbackGeometry.viewDir = geometry.viewDir;\nvLightFront = vec3( 0.0 );\nvIndirectFront = vec3( 0.0 );\n#ifdef DOUBLE_SIDED\n\tvLightBack = vec3( 0.0 );\n\tvIndirectBack = vec3( 0.0 );\n#endif\nIncidentLight directLight;\nfloat dotNL;\nvec3 directLightColor_Diffuse;\nvIndirectFront += getAmbientLightIrradiance( ambientLightColor );\nvIndirectFront += getLightProbeIrradiance( lightProbe, geometry );\n#ifdef DOUBLE_SIDED\n\tvIndirectBack += getAmbientLightIrradiance( ambientLightColor );\n\tvIndirectBack += getLightProbeIrradiance( lightProbe, backGeometry );\n#endif\n#if NUM_POINT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tgetPointDirectLightIrradiance( pointLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tgetSpotDirectLightIrradiance( spotLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_DIR_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tgetDirectionalDirectLightIrradiance( directionalLights[ i ], geometry, directLight );\n\t\tdotNL = dot( geometry.normal, directLight.direction );\n\t\tdirectLightColor_Diffuse = PI * directLight.color;\n\t\tvLightFront += saturate( dotNL ) * directLightColor_Diffuse;\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvLightBack += saturate( -dotNL ) * directLightColor_Diffuse;\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\tvIndirectFront += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\tvIndirectBack += getHemisphereLightIrradiance( hemisphereLights[ i ], backGeometry );\n\t\t#endif\n\t}\n\t#pragma unroll_loop_end\n#endif",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in GeometricContext geometry ) {\n\tvec3 worldNormal = inverseTransformDirection( geometry.normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treturn irradiance;\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\tvoid getDirectionalDirectLightIrradiance( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tdirectLight.color = directionalLight.color;\n\t\tdirectLight.direction = directionalLight.direction;\n\t\tdirectLight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tvoid getPointDirectLightIrradiance( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tdirectLight.color = pointLight.color;\n\t\tdirectLight.color *= punctualLightIntensityToIrradianceFactor( lightDistance, pointLight.distance, pointLight.decay );\n\t\tdirectLight.visible = ( directLight.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\tvoid getSpotDirectLightIrradiance( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight directLight ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tdirectLight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tfloat angleCos = dot( directLight.direction, spotLight.direction );\n\t\tif ( angleCos > spotLight.coneCos ) {\n\t\t\tfloat spotEffect = smoothstep( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\t\tdirectLight.color = spotLight.color;\n\t\t\tdirectLight.color *= spotEffect * punctualLightIntensityToIrradianceFactor( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tdirectLight.visible = true;\n\t\t} else {\n\t\t\tdirectLight.color = vec3( 0.0 );\n\t\t\tdirectLight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in GeometricContext geometry ) {\n\t\tfloat dotNL = dot( geometry.normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tirradiance *= PI;\n\t\t#endif\n\t\treturn irradiance;\n\t}\n#endif",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct ToonMaterial {\n\tvec3\tdiffuseColor;\n\tvec3\tspecularColor;\n\tfloat\tspecularShininess;\n\tfloat\tspecularStrength;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon\n#define Material_LightProbeLOD( material )\t(0)",lights_phong_fragment:"BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",lights_phong_pars_fragment:"varying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\nstruct BlinnPhongMaterial {\n\tvec3\tdiffuseColor;\n\tvec3\tspecularColor;\n\tfloat\tspecularShininess;\n\tfloat\tspecularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\treflectedLight.directDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_Specular_BlinnPhong( directLight, geometry, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong\n#define Material_LightProbeLOD( material )\t(0)",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.specularRoughness = max( roughnessFactor, 0.0525 );material.specularRoughness += geometryRoughness;\nmaterial.specularRoughness = min( material.specularRoughness, 1.0 );\n#ifdef REFLECTIVITY\n\tmaterial.specularColor = mix( vec3( MAXIMUM_SPECULAR_COEFFICIENT * pow2( reflectivity ) ), diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( DEFAULT_SPECULAR_COEFFICIENT ), diffuseColor.rgb, metalnessFactor );\n#endif\n#ifdef CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheen;\n#endif",lights_physical_pars_fragment:"struct PhysicalMaterial {\n\tvec3\tdiffuseColor;\n\tfloat\tspecularRoughness;\n\tvec3\tspecularColor;\n#ifdef CLEARCOAT\n\tfloat clearcoat;\n\tfloat clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tvec3 sheenColor;\n#endif\n};\n#define MAXIMUM_SPECULAR_COEFFICIENT 0.16\n#define DEFAULT_SPECULAR_COEFFICIENT 0.04\nfloat clearcoatDHRApprox( const in float roughness, const in float dotNL ) {\n\treturn DEFAULT_SPECULAR_COEFFICIENT + ( 1.0 - DEFAULT_SPECULAR_COEFFICIENT ) * ( pow( 1.0 - dotNL, 5.0 ) * pow( 1.0 - roughness, 2.0 ) );\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.specularRoughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3( 0, 1, 0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\tirradiance *= PI;\n\t#endif\n\t#ifdef CLEARCOAT\n\t\tfloat ccDotNL = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = ccDotNL * directLight.color;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tccIrradiance *= PI;\n\t\t#endif\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\t\treflectedLight.directSpecular += ccIrradiance * material.clearcoat * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\t#else\n\t\tfloat clearcoatDHR = 0.0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_Sheen(\n\t\t\tmaterial.specularRoughness,\n\t\t\tdirectLight.direction,\n\t\t\tgeometry,\n\t\t\tmaterial.sheenColor\n\t\t);\n\t#else\n\t\treflectedLight.directSpecular += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Specular_GGX( directLight, geometry.viewDir, geometry.normal, material.specularColor, material.specularRoughness);\n\t#endif\n\treflectedLight.directDiffuse += ( 1.0 - clearcoatDHR ) * irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Diffuse_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef CLEARCOAT\n\t\tfloat ccDotNV = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular += clearcoatRadiance * material.clearcoat * BRDF_Specular_GGX_Environment( geometry.viewDir, geometry.clearcoatNormal, vec3( DEFAULT_SPECULAR_COEFFICIENT ), material.clearcoatRoughness );\n\t\tfloat ccDotNL = ccDotNV;\n\t\tfloat clearcoatDHR = material.clearcoat * clearcoatDHRApprox( material.clearcoatRoughness, ccDotNL );\n\t#else\n\t\tfloat clearcoatDHR = 0.0;\n\t#endif\n\tfloat clearcoatInv = 1.0 - clearcoatDHR;\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\tBRDF_Specular_Multiscattering_Environment( geometry, material.specularColor, material.specularRoughness, singleScattering, multiScattering );\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - ( singleScattering + multiScattering ) );\n\treflectedLight.indirectSpecular += clearcoatInv * radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin:"\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n#ifdef CLEARCOAT\n\tgeometry.clearcoatNormal = clearcoatNormal;\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointDirectLightIrradiance( pointLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotDirectLightIrradiance( spotLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalDirectLightIrradiance( directionalLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= all( bvec2( directLight.visible, receiveShadow ) ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry );\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\tvec3 lightMapIrradiance = lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\t\t#ifndef PHYSICALLY_CORRECT_LIGHTS\n\t\t\tlightMapIrradiance *= PI;\n\t\t#endif\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getLightProbeIndirectIrradiance( geometry, maxMipLevel );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\tradiance += getLightProbeIndirectRadiance( geometry.viewDir, geometry.normal, material.specularRoughness, maxMipLevel );\n\t#ifdef CLEARCOAT\n\t\tclearcoatRadiance += getLightProbeIndirectRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness, maxMipLevel );\n\t#endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\t#else\n\t\tuniform float logDepthBufFC;\n\t#endif\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\t#else\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\t\t\tgl_Position.z *= gl_Position.w;\n\t\t}\n\t#endif\n#endif",map_fragment:"#ifdef USE_MAP\n\tvec4 texelColor = texture2D( map, vUv );\n\ttexelColor = mapTexelToLinear( texelColor );\n\tdiffuseColor *= texelColor;\n#endif",map_pars_fragment:"#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",map_particle_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n#endif\n#ifdef USE_MAP\n\tvec4 mapTexel = texture2D( map, uv );\n\tdiffuseColor *= mapTexelToLinear( mapTexel );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\tuniform mat3 uvTransform;\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n\tuniform float morphTargetBaseInfluence;\n\t#ifndef USE_MORPHNORMALS\n\tuniform float morphTargetInfluences[ 8 ];\n\t#else\n\tuniform float morphTargetInfluences[ 4 ];\n\t#endif\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\t#ifndef USE_MORPHNORMALS\n\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\t#endif\n#endif",normal_fragment_begin:"#ifdef FLAT_SHADED\n\tvec3 fdx = vec3( dFdx( vViewPosition.x ), dFdx( vViewPosition.y ), dFdx( vViewPosition.z ) );\n\tvec3 fdy = vec3( dFdy( vViewPosition.x ), dFdy( vViewPosition.y ), dFdy( vViewPosition.z ) );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t#endif\n\t#ifdef USE_TANGENT\n\t\tvec3 tangent = normalize( vTangent );\n\t\tvec3 bitangent = normalize( vBitangent );\n\t\t#ifdef DOUBLE_SIDED\n\t\t\ttangent = tangent * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\t\tbitangent = bitangent * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\t#endif\n\t\t#if defined( TANGENTSPACE_NORMALMAP ) || defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tmat3 vTBN = mat3( tangent, bitangent, normal );\n\t\t#endif\n\t#endif\n#endif\nvec3 geometryNormal = normal;",normal_fragment_maps:"#ifdef OBJECTSPACE_NORMALMAP\n\tnormal = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( TANGENTSPACE_NORMALMAP )\n\tvec3 mapN = texture2D( normalMap, vUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\t#ifdef USE_TANGENT\n\t\tnormal = normalize( vTBN * mapN );\n\t#else\n\t\tnormal = perturbNormal2Arb( -vViewPosition, normal, mapN );\n\t#endif\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( -vViewPosition, normal, dHdxy_fwd() );\n#endif",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef OBJECTSPACE_NORMALMAP\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( TANGENTSPACE_NORMALMAP ) || defined ( USE_CLEARCOAT_NORMALMAP ) )\n\tvec3 perturbNormal2Arb( vec3 eye_pos, vec3 surf_norm, vec3 mapN ) {\n\t\tvec3 q0 = vec3( dFdx( eye_pos.x ), dFdx( eye_pos.y ), dFdx( eye_pos.z ) );\n\t\tvec3 q1 = vec3( dFdy( eye_pos.x ), dFdy( eye_pos.y ), dFdy( eye_pos.z ) );\n\t\tvec2 st0 = dFdx( vUv.st );\n\t\tvec2 st1 = dFdy( vUv.st );\n\t\tfloat scale = sign( st1.t * st0.s - st0.t * st1.s );\n\t\tvec3 S = normalize( ( q0 * st1.t - q1 * st0.t ) * scale );\n\t\tvec3 T = normalize( ( - q0 * st1.s + q1 * st0.s ) * scale );\n\t\tvec3 N = normalize( surf_norm );\n\t\tmat3 tsn = mat3( S, T, N );\n\t\tmapN.xy *= ( float( gl_FrontFacing ) * 2.0 - 1.0 );\n\t\treturn normalize( tsn * mapN );\n\t}\n#endif",clearcoat_normal_fragment_begin:"#ifdef CLEARCOAT\n\tvec3 clearcoatNormal = geometryNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\t#ifdef USE_TANGENT\n\t\tclearcoatNormal = normalize( vTBN * clearcoatMapN );\n\t#else\n\t\tclearcoatNormal = perturbNormal2Arb( - vViewPosition, clearcoatNormal, clearcoatMapN );\n\t#endif\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif",packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ));\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w);\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float linearClipZ, const in float near, const in float far ) {\n\treturn linearClipZ * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn (( near + viewZ ) * far ) / (( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float invClipZ, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * invClipZ - far );\n}",premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex:"vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment:"#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment:"#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbvec4 inFrustumVec = bvec4 ( shadowCoord.x >= 0.0, shadowCoord.x <= 1.0, shadowCoord.y >= 0.0, shadowCoord.y <= 1.0 );\n\t\tbool inFrustum = all( inFrustumVec );\n\t\tbvec2 frustumTestVec = bvec2( inFrustum, shadowCoord.z <= 1.0 );\n\t\tbool frustumTest = all( frustumTestVec );\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ), \n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ), \n\t\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn shadow;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\tdp += shadowBias;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif",shadowmap_pars_vertex:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 spotShadowMatrix[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vSpotShadowCoord[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",shadowmap_vertex:"#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * worldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tvSpotShadowCoord[ i ] = spotShadowMatrix[ i ] * worldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * worldPosition;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n#endif",shadowmask_pars_fragment:"float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",skinbase_vertex:"#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\t#ifdef BONE_TEXTURE\n\t\tuniform highp sampler2D boneTexture;\n\t\tuniform int boneTextureSize;\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tfloat j = i * 4.0;\n\t\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\t\tfloat y = floor( j / float( boneTextureSize ) );\n\t\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\t\tfloat dy = 1.0 / float( boneTextureSize );\n\t\t\ty = dy * ( y + 0.5 );\n\t\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\t\treturn bone;\n\t\t}\n\t#else\n\t\tuniform mat4 boneMatrices[ MAX_BONES ];\n\t\tmat4 getBoneMatrix( const in float i ) {\n\t\t\tmat4 bone = boneMatrices[ int(i) ];\n\t\t\treturn bone;\n\t\t}\n\t#endif\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",tonemapping_pars_fragment:"#ifndef saturate\n#define saturate(a) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nuniform float toneMappingWhitePoint;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn toneMappingExposure * color;\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\n#define Uncharted2Helper( x ) max( ( ( x * ( 0.15 * x + 0.10 * 0.50 ) + 0.20 * 0.02 ) / ( x * ( 0.15 * x + 0.50 ) + 0.20 * 0.30 ) ) - 0.02 / 0.30, vec3( 0.0 ) )\nvec3 Uncharted2ToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( Uncharted2Helper( color ) / Uncharted2Helper( vec3( toneMappingWhitePoint ) ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( ( color * ( 2.51 * color + 0.03 ) ) / ( color * ( 2.43 * color + 0.59 ) + 0.14 ) );\n}",uv_pars_fragment:"#if ( defined( USE_UV ) && ! defined( UVS_VERTEX_ONLY ) )\n\tvarying vec2 vUv;\n#endif",uv_pars_vertex:"#ifdef USE_UV\n\t#ifdef UVS_VERTEX_ONLY\n\t\tvec2 vUv;\n\t#else\n\t\tvarying vec2 vUv;\n\t#endif\n\tuniform mat3 uvTransform;\n#endif",uv_vertex:"#ifdef USE_UV\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n#endif",uv2_pars_fragment:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvarying vec2 vUv2;\n#endif",uv2_pars_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tattribute vec2 uv2;\n\tvarying vec2 vUv2;\n\tuniform mat3 uv2Transform;\n#endif",uv2_vertex:"#if defined( USE_LIGHTMAP ) || defined( USE_AOMAP )\n\tvUv2 = ( uv2Transform * vec3( uv2, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP )\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif",background_frag:"uniform sampler2D t2D;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\t#include \n\t#include \n}",background_vert:"varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",cube_frag:"#include \nuniform float opacity;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvec3 vReflect = vWorldDirection;\n\t#include \n\tgl_FragColor = envColor;\n\tgl_FragColor.a *= opacity;\n\t#include \n\t#include \n}",cube_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n\tgl_Position.z = gl_Position.w;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n\tuniform float opacity;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#endif\n}",depth_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \nvarying vec2 vHighPrecisionZW;\nvoid main() {\n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvHighPrecisionZW = gl_Position.zw;\n}",distanceRGBA_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main () {\n\t#include \n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include \n\t#include \n\t#include \n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}",distanceRGBA_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include \n\t\t#include \n\t\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvWorldPosition = worldPosition.xyz;\n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tvec4 texColor = texture2D( tEquirect, sampleUV );\n\tgl_FragColor = mapTexelToLinear( texColor );\n\t#include \n\t#include \n}",equirect_vert:"varying vec3 vWorldDirection;\n#include \nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include \n\t#include \n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tvLineDistance = scale * lineDistance;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\n\t\tvec4 lightMapTexel= texture2D( lightMap, vUv2 );\n\t\treflectedLight.indirectDiffuse += lightMapTexelToLinear( lightMapTexel ).rgb * lightMapIntensity;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshbasic_vert:"#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef USE_ENVMAP\n\t#include \n\t#include \n\t#include \n\t#include \n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_frag:"uniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.indirectDiffuse += ( gl_FrontFacing ) ? vIndirectFront : vIndirectBack;\n\t#else\n\t\treflectedLight.indirectDiffuse += vIndirectFront;\n\t#endif\n\t#include \n\treflectedLight.indirectDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb );\n\t#ifdef DOUBLE_SIDED\n\t\treflectedLight.directDiffuse = ( gl_FrontFacing ) ? vLightFront : vLightBack;\n\t#else\n\t\treflectedLight.directDiffuse = vLightFront;\n\t#endif\n\treflectedLight.directDiffuse *= BRDF_Diffuse_Lambert( diffuseColor.rgb ) * getShadowMask();\n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vLightFront;\nvarying vec3 vIndirectFront;\n#ifdef DOUBLE_SIDED\n\tvarying vec3 vLightBack;\n\tvarying vec3 vIndirectBack;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t\tmatcapColor = matcapTexelToLinear( matcapColor );\n\t#else\n\t\tvec4 matcapColor = vec4( 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#ifndef FLAT_SHADED\n\t\tvNormal = normalize( transformedNormal );\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include \n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n\t#define REFLECTIVITY\n\t#define CLEARCOAT\n\t#define TRANSPARENCY\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef TRANSPARENCY\n\tuniform float transparency;\n#endif\n#ifdef REFLECTIVITY\n\tuniform float reflectivity;\n#endif\n#ifdef CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheen;\n#endif\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#ifdef TRANSPARENCY\n\t\tdiffuseColor.a *= saturate( 1. - transparency + linearToRelativeLuminance( reflectedLight.directSpecular + reflectedLight.indirectSpecular ) );\n\t#endif\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\tvViewPosition = - mvPosition.xyz;\n\t#include \n\t#include \n\t#include \n}",normal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n}",normal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvarying vec3 vViewPosition;\n#endif\n#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( TANGENTSPACE_NORMALMAP )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n\t#include \n}",points_vert:"uniform float size;\nuniform float scale;\n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include \n\t#include \n\t#include \n\t#include \n}",shadow_frag:"uniform vec3 color;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\tgl_FragColor = vec4( color, opacity * ( 1.0 - getShadowMask() ) );\n\t#include \n\t#include \n\t#include \n}",shadow_vert:"#include \n#include \nvoid main() {\n\t#include \n\t#include \n\t#include \n\t#include \n\t#include \n}",sprite_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include \n#include \n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include \n\t#include \n\t#include \n\t#include \n\toutgoingLight = diffuseColor.rgb;\n\tgl_FragColor = vec4( outgoingLight, diffuseColor.a );\n\t#include \n\t#include \n\t#include \n}",sprite_vert:"uniform float rotation;\nuniform vec2 center;\n#include \n#include \n#include \n#include \n#include \nvoid main() {\n\t#include \n\tvec4 mvPosition = modelViewMatrix * vec4( 0.0, 0.0, 0.0, 1.0 );\n\tvec2 scale;\n\tscale.x = length( vec3( modelMatrix[ 0 ].x, modelMatrix[ 0 ].y, modelMatrix[ 0 ].z ) );\n\tscale.y = length( vec3( modelMatrix[ 1 ].x, modelMatrix[ 1 ].y, modelMatrix[ 1 ].z ) );\n\t#ifndef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) scale *= - mvPosition.z;\n\t#endif\n\tvec2 alignedPosition = ( position.xy - ( center - vec2( 0.5 ) ) ) * scale;\n\tvec2 rotatedPosition;\n\trotatedPosition.x = cos( rotation ) * alignedPosition.x - sin( rotation ) * alignedPosition.y;\n\trotatedPosition.y = sin( rotation ) * alignedPosition.x + cos( rotation ) * alignedPosition.y;\n\tmvPosition.xy += rotatedPosition;\n\tgl_Position = projectionMatrix * mvPosition;\n\t#include \n\t#include \n\t#include \n}"},aM={basic:{uniforms:k_([$_.common,$_.specularmap,$_.envmap,$_.aomap,$_.lightmap,$_.fog]),vertexShader:rM.meshbasic_vert,fragmentShader:rM.meshbasic_frag},lambert:{uniforms:k_([$_.common,$_.specularmap,$_.envmap,$_.aomap,$_.lightmap,$_.emissivemap,$_.fog,$_.lights,{emissive:{value:new Hw(0)}}]),vertexShader:rM.meshlambert_vert,fragmentShader:rM.meshlambert_frag},phong:{uniforms:k_([$_.common,$_.specularmap,$_.envmap,$_.aomap,$_.lightmap,$_.emissivemap,$_.bumpmap,$_.normalmap,$_.displacementmap,$_.fog,$_.lights,{emissive:{value:new Hw(0)},specular:{value:new Hw(1118481)},shininess:{value:30}}]),vertexShader:rM.meshphong_vert,fragmentShader:rM.meshphong_frag},standard:{uniforms:k_([$_.common,$_.envmap,$_.aomap,$_.lightmap,$_.emissivemap,$_.bumpmap,$_.normalmap,$_.displacementmap,$_.roughnessmap,$_.metalnessmap,$_.fog,$_.lights,{emissive:{value:new Hw(0)},roughness:{value:1},metalness:{value:0},envMapIntensity:{value:1}}]),vertexShader:rM.meshphysical_vert,fragmentShader:rM.meshphysical_frag},toon:{uniforms:k_([$_.common,$_.specularmap,$_.aomap,$_.lightmap,$_.emissivemap,$_.bumpmap,$_.normalmap,$_.displacementmap,$_.gradientmap,$_.fog,$_.lights,{emissive:{value:new Hw(0)},specular:{value:new 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r,a=e.get(n);return void 0===a?(r=new FS,e.set(n,new WeakMap),e.get(n).set(i,r),n.addEventListener("dispose",t)):void 0===(r=a.get(i))&&(r=new FS,a.set(i,r)),r},dispose:function(){e=new WeakMap}}}function HS(){var e={};return{get:function(t){if(void 0!==e[t.id])return e[t.id];var n;switch(t.type){case"DirectionalLight":n={direction:new Mb,color:new Hw};break;case"SpotLight":n={position:new Mb,direction:new Mb,color:new Hw,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":n={position:new Mb,color:new Hw,distance:0,decay:0};break;case"HemisphereLight":n={direction:new Mb,skyColor:new Hw,groundColor:new Hw};break;case"RectAreaLight":n={color:new Hw,position:new Mb,halfWidth:new Mb,halfHeight:new Mb}}return e[t.id]=n,n}}}var GS=0;function kS(e,t){return(t.castShadow?1:0)-(e.castShadow?1:0)}function VS(){for(var e,t=new HS,n=(e={},{get:function(t){if(void 0!==e[t.id])return e[t.id];var n;switch(t.type){case"DirectionalLight":case"SpotLight":n={shadowBias:0,shadowRadius:1,shadowMapSize:new pb};break;case"PointLight":n={shadowBias:0,shadowRadius:1,shadowMapSize:new pb,shadowCameraNear:1,shadowCameraFar:1e3}}return e[t.id]=n,n}}),i={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotShadow:[],spotShadowMap:[],spotShadowMatrix:[],rectArea:[],point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[]},r=0;r<9;r++)i.probe.push(new Mb);var a=new Mb,o=new Cb,s=new Cb;return{setup:function(e,r,l){for(var c=0,h=0,u=0,p=0;p<9;p++)i.probe[p].set(0,0,0);var d=0,f=0,m=0,g=0,v=0,y=0,x=0,b=0,w=l.matrixWorldInverse;e.sort(kS),p=0;for(var _=e.length;p<_;p++){var M=e[p],S=M.color,T=M.intensity,E=M.distance,A=M.shadow&&M.shadow.map?M.shadow.map.texture:null;if(M.isAmbientLight)c+=S.r*T,h+=S.g*T,u+=S.b*T;else if(M.isLightProbe)for(var L=0;L<9;L++)i.probe[L].addScaledVector(M.sh.coefficients[L],T);else if(M.isDirectionalLight){if((C=t.get(M)).color.copy(M.color).multiplyScalar(M.intensity),C.direction.setFromMatrixPosition(M.matrixWorld),a.setFromMatrixPosition(M.target.matrixWorld),C.direction.sub(a),C.direction.transformDirection(w),M.castShadow){var R=M.shadow;(P=n.get(M)).shadowBias=R.bias,P.shadowRadius=R.radius,P.shadowMapSize=R.mapSize,i.directionalShadow[d]=P,i.directionalShadowMap[d]=A,i.directionalShadowMatrix[d]=M.shadow.matrix,y++}i.directional[d]=C,d++}else if(M.isSpotLight){if((C=t.get(M)).position.setFromMatrixPosition(M.matrixWorld),C.position.applyMatrix4(w),C.color.copy(S).multiplyScalar(T),C.distance=E,C.direction.setFromMatrixPosition(M.matrixWorld),a.setFromMatrixPosition(M.target.matrixWorld),C.direction.sub(a),C.direction.transformDirection(w),C.coneCos=Math.cos(M.angle),C.penumbraCos=Math.cos(M.angle*(1-M.penumbra)),C.decay=M.decay,M.castShadow){R=M.shadow;(P=n.get(M)).shadowBias=R.bias,P.shadowRadius=R.radius,P.shadowMapSize=R.mapSize,i.spotShadow[m]=P,i.spotShadowMap[m]=A,i.spotShadowMatrix[m]=M.shadow.matrix,b++}i.spot[m]=C,m++}else if(M.isRectAreaLight){(C=t.get(M)).color.copy(S).multiplyScalar(T),C.position.setFromMatrixPosition(M.matrixWorld),C.position.applyMatrix4(w),s.identity(),o.copy(M.matrixWorld),o.premultiply(w),s.extractRotation(o),C.halfWidth.set(.5*M.width,0,0),C.halfHeight.set(0,.5*M.height,0),C.halfWidth.applyMatrix4(s),C.halfHeight.applyMatrix4(s),i.rectArea[g]=C,g++}else if(M.isPointLight){if((C=t.get(M)).position.setFromMatrixPosition(M.matrixWorld),C.position.applyMatrix4(w),C.color.copy(M.color).multiplyScalar(M.intensity),C.distance=M.distance,C.decay=M.decay,M.castShadow){var P;R=M.shadow;(P=n.get(M)).shadowBias=R.bias,P.shadowRadius=R.radius,P.shadowMapSize=R.mapSize,P.shadowCameraNear=R.camera.near,P.shadowCameraFar=R.camera.far,i.pointShadow[f]=P,i.pointShadowMap[f]=A,i.pointShadowMatrix[f]=M.shadow.matrix,x++}i.point[f]=C,f++}else if(M.isHemisphereLight){var C;(C=t.get(M)).direction.setFromMatrixPosition(M.matrixWorld),C.direction.transformDirection(w),C.direction.normalize(),C.skyColor.copy(M.color).multiplyScalar(T),C.groundColor.copy(M.groundColor).multiplyScalar(T),i.hemi[v]=C,v++}}i.ambient[0]=c,i.ambient[1]=h,i.ambient[2]=u;var O=i.hash;O.directionalLength===d&&O.pointLength===f&&O.spotLength===m&&O.rectAreaLength===g&&O.hemiLength===v&&O.numDirectionalShadows===y&&O.numPointShadows===x&&O.numSpotShadows===b||(i.directional.length=d,i.spot.length=m,i.rectArea.length=g,i.point.length=f,i.hemi.length=v,i.directionalShadow.length=y,i.directionalShadowMap.length=y,i.pointShadow.length=x,i.pointShadowMap.length=x,i.spotShadow.length=b,i.spotShadowMap.length=b,i.directionalShadowMatrix.length=y,i.pointShadowMatrix.length=x,i.spotShadowMatrix.length=b,O.directionalLength=d,O.pointLength=f,O.spotLength=m,O.rectAreaLength=g,O.hemiLength=v,O.numDirectionalShadows=y,O.numPointShadows=x,O.numSpotShadows=b,i.version=GS++)},state:i}}function jS(){var e=new VS,t=[],n=[];return{init:function(){t.length=0,n.length=0},state:{lightsArray:t,shadowsArray:n,lights:e},setupLights:function(i){e.setup(t,n,i)},pushLight:function(e){t.push(e)},pushShadow:function(e){n.push(e)}}}function WS(){var e=new WeakMap;function t(n){var i=n.target;i.removeEventListener("dispose",t),e.delete(i)}return{get:function(n,i){var r;return!1===e.has(n)?(r=new jS,e.set(n,new WeakMap),e.get(n).set(i,r),n.addEventListener("dispose",t)):!1===e.get(n).has(i)?(r=new jS,e.get(n).set(i,r)):r=e.get(n).get(i),r},dispose:function(){e=new WeakMap}}}function qS(e){qw.call(this),this.type="MeshDepthMaterial",this.depthPacking=3200,this.skinning=!1,this.morphTargets=!1,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.setValues(e)}function XS(e){qw.call(this),this.type="MeshDistanceMaterial",this.referencePosition=new Mb,this.nearDistance=1,this.farDistance=1e3,this.skinning=!1,this.morphTargets=!1,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.fog=!1,this.setValues(e)}qS.prototype=Object.create(qw.prototype),qS.prototype.constructor=qS,qS.prototype.isMeshDepthMaterial=!0,qS.prototype.copy=function(e){return qw.prototype.copy.call(this,e),this.depthPacking=e.depthPacking,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this},XS.prototype=Object.create(qw.prototype),XS.prototype.constructor=XS,XS.prototype.isMeshDistanceMaterial=!0,XS.prototype.copy=function(e){return qw.prototype.copy.call(this,e),this.referencePosition.copy(e.referencePosition),this.nearDistance=e.nearDistance,this.farDistance=e.farDistance,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this};function YS(e,t,n){var i=new Q_,r=new pb,a=new pb,o=new vb,s=[],l=[],c={},h={0:1,1:0,2:2},u=new j_({defines:{SAMPLE_RATE:2/8,HALF_SAMPLE_RATE:1/8},uniforms:{shadow_pass:{value:null},resolution:{value:new pb},radius:{value:4}},vertexShader:"void main() {\n\tgl_Position = vec4( position, 1.0 );\n}",fragmentShader:"uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include \nvoid main() {\n float mean = 0.0;\n float squared_mean = 0.0;\n\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy ) / resolution ) );\n for ( float i = -1.0; i < 1.0 ; i += SAMPLE_RATE) {\n #ifdef HORIZONAL_PASS\n vec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( i, 0.0 ) * radius ) / resolution ) );\n mean += distribution.x;\n squared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n #else\n float depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, i ) * radius ) / resolution ) );\n mean += depth;\n squared_mean += depth * depth;\n #endif\n }\n mean = mean * HALF_SAMPLE_RATE;\n squared_mean = squared_mean * HALF_SAMPLE_RATE;\n float std_dev = sqrt( squared_mean - mean * mean );\n gl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}"}),p=u.clone();p.defines.HORIZONAL_PASS=1;var d=new f_;d.setAttribute("position",new Jw(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));var f=new O_(d,u),m=this;function g(n,i){var r=t.update(f);u.uniforms.shadow_pass.value=n.map.texture,u.uniforms.resolution.value=n.mapSize,u.uniforms.radius.value=n.radius,e.setRenderTarget(n.mapPass),e.clear(),e.renderBufferDirect(i,null,r,u,f,null),p.uniforms.shadow_pass.value=n.mapPass.texture,p.uniforms.resolution.value=n.mapSize,p.uniforms.radius.value=n.radius,e.setRenderTarget(n.map),e.clear(),e.renderBufferDirect(i,null,r,p,f,null)}function v(e,t,n){var i=e<<0|t<<1|n<<2,r=s[i];return void 0===r&&(r=new qS({depthPacking:3201,morphTargets:e,skinning:t}),s[i]=r),r}function y(e,t,n){var i=e<<0|t<<1|n<<2,r=l[i];return void 0===r&&(r=new XS({morphTargets:e,skinning:t}),l[i]=r),r}function x(t,n,i,r,a,o,s){var l=null,u=v,p=t.customDepthMaterial;if(!0===r.isPointLight&&(u=y,p=t.customDistanceMaterial),void 0===p){var d=!1;!0===i.morphTargets&&(d=n.morphAttributes&&n.morphAttributes.position&&n.morphAttributes.position.length>0);var f=!1;!0===t.isSkinnedMesh&&(!0===i.skinning?f=!0:console.warn("THREE.WebGLShadowMap: THREE.SkinnedMesh with material.skinning set to false:",t)),l=u(d,f,!0===t.isInstancedMesh)}else l=p;if(e.localClippingEnabled&&!0===i.clipShadows&&0!==i.clippingPlanes.length){var m=l.uuid,g=i.uuid,x=c[m];void 0===x&&(x={},c[m]=x);var b=x[g];void 0===b&&(b=l.clone(),x[g]=b),l=b}return l.visible=i.visible,l.wireframe=i.wireframe,l.side=3===s?null!==i.shadowSide?i.shadowSide:i.side:null!==i.shadowSide?i.shadowSide:h[i.side],l.clipShadows=i.clipShadows,l.clippingPlanes=i.clippingPlanes,l.clipIntersection=i.clipIntersection,l.wireframeLinewidth=i.wireframeLinewidth,l.linewidth=i.linewidth,!0===r.isPointLight&&!0===l.isMeshDistanceMaterial&&(l.referencePosition.setFromMatrixPosition(r.matrixWorld),l.nearDistance=a,l.farDistance=o),l}function b(n,r,a,o,s){if(!1!==n.visible){if(n.layers.test(r.layers)&&(n.isMesh||n.isLine||n.isPoints)&&(n.castShadow||n.receiveShadow&&3===s)&&(!n.frustumCulled||i.intersectsObject(n))){n.modelViewMatrix.multiplyMatrices(a.matrixWorldInverse,n.matrixWorld);var l=t.update(n),c=n.material;if(Array.isArray(c))for(var h=l.groups,u=0,p=h.length;un||r.y>n)&&(r.x>n&&(a.x=Math.floor(n/x.x),r.x=a.x*x.x,y.mapSize.x=a.x),r.y>n&&(a.y=Math.floor(n/x.y),r.y=a.y*x.y,y.mapSize.y=a.y)),null===y.map&&!y.isPointLightShadow&&3===this.type){var w={minFilter:1006,magFilter:1006,format:1023};y.map=new yb(r.x,r.y,w),y.map.texture.name=v.name+".shadowMap",y.mapPass=new yb(r.x,r.y,w),y.camera.updateProjectionMatrix()}if(null===y.map){w={minFilter:1003,magFilter:1003,format:1023};y.map=new yb(r.x,r.y,w),y.map.texture.name=v.name+".shadowMap",y.camera.updateProjectionMatrix()}e.setRenderTarget(y.map),e.clear();for(var _=y.getViewportCount(),M=0;M<_;M++){var S=y.getViewport(M);o.set(a.x*S.x,a.y*S.y,a.x*S.z,a.y*S.w),p.viewport(o),y.updateMatrices(v,M),i=y.getFrustum(),b(s,l,y.camera,v,this.type)}y.isPointLightShadow||3!==this.type||g(y,l)}else console.warn("THREE.WebGLShadowMap:",v,"has no shadow.")}m.needsUpdate=!1,e.setRenderTarget(c,h,u)}}}function JS(e,t,n){var i=n.isWebGL2;var r=new function(){var t=!1,n=new vb,i=null,r=new vb(0,0,0,0);return{setMask:function(n){i===n||t||(e.colorMask(n,n,n,n),i=n)},setLocked:function(e){t=e},setClear:function(t,i,a,o,s){!0===s&&(t*=o,i*=o,a*=o),n.set(t,i,a,o),!1===r.equals(n)&&(e.clearColor(t,i,a,o),r.copy(n))},reset:function(){t=!1,i=null,r.set(-1,0,0,0)}}},a=new function(){var t=!1,n=null,i=null,r=null;return{setTest:function(e){e?F(2929):B(2929)},setMask:function(i){n===i||t||(e.depthMask(i),n=i)},setFunc:function(t){if(i!==t){if(t)switch(t){case 0:e.depthFunc(512);break;case 1:e.depthFunc(519);break;case 2:e.depthFunc(513);break;case 3:e.depthFunc(515);break;case 4:e.depthFunc(514);break;case 5:e.depthFunc(518);break;case 6:e.depthFunc(516);break;case 7:e.depthFunc(517);break;default:e.depthFunc(515)}else e.depthFunc(515);i=t}},setLocked:function(e){t=e},setClear:function(t){r!==t&&(e.clearDepth(t),r=t)},reset:function(){t=!1,n=null,i=null,r=null}}},o=new function(){var t=!1,n=null,i=null,r=null,a=null,o=null,s=null,l=null,c=null;return{setTest:function(e){t||(e?F(2960):B(2960))},setMask:function(i){n===i||t||(e.stencilMask(i),n=i)},setFunc:function(t,n,o){i===t&&r===n&&a===o||(e.stencilFunc(t,n,o),i=t,r=n,a=o)},setOp:function(t,n,i){o===t&&s===n&&l===i||(e.stencilOp(t,n,i),o=t,s=n,l=i)},setLocked:function(e){t=e},setClear:function(t){c!==t&&(e.clearStencil(t),c=t)},reset:function(){t=!1,n=null,i=null,r=null,a=null,o=null,s=null,l=null,c=null}}},s=e.getParameter(34921),l=new Uint8Array(s),c=new Uint8Array(s),h=new Uint8Array(s),u={},p=null,d=null,f=null,m=null,g=null,v=null,y=null,x=null,b=null,w=!1,_=null,M=null,S=null,T=null,E=null,A=e.getParameter(35661),L=!1,R=0,P=e.getParameter(7938);-1!==P.indexOf("WebGL")?(R=parseFloat(/^WebGL\ ([0-9])/.exec(P)[1]),L=R>=1):-1!==P.indexOf("OpenGL ES")&&(R=parseFloat(/^OpenGL\ ES\ ([0-9])/.exec(P)[1]),L=R>=2);var C=null,O={},I=new vb,D=new vb;function N(t,n,i){var r=new Uint8Array(4),a=e.createTexture();e.bindTexture(t,a),e.texParameteri(t,10241,9728),e.texParameteri(t,10240,9728);for(var o=0;oi||e.height>i)&&(r=i/Math.max(e.width,e.height)),r<1||!0===t){if("undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap){var a=t?ub.floorPowerOfTwo:Math.floor,o=a(r*e.width),l=a(r*e.height);void 0===s&&(s=m(o,l));var c=n?m(o,l):s;return c.width=o,c.height=l,c.getContext("2d").drawImage(e,0,0,o,l),console.warn("THREE.WebGLRenderer: Texture has been resized from ("+e.width+"x"+e.height+") to ("+o+"x"+l+")."),c}return"data"in e&&console.warn("THREE.WebGLRenderer: Image in DataTexture is too big ("+e.width+"x"+e.height+")."),e}return e}function v(e){return ub.isPowerOfTwo(e.width)&&ub.isPowerOfTwo(e.height)}function y(e,t){return e.generateMipmaps&&t&&1003!==e.minFilter&&1006!==e.minFilter}function x(t,n,r,a){e.generateMipmap(t),i.get(n).__maxMipLevel=Math.log(Math.max(r,a))*Math.LOG2E}function b(n,i,r){if(!1===l)return i;if(null!==n){if(void 0!==e[n])return e[n];console.warn("THREE.WebGLRenderer: Attempt to use non-existing WebGL internal format '"+n+"'")}var a=i;return 6403===i&&(5126===r&&(a=33326),5131===r&&(a=33325),5121===r&&(a=33321)),6407===i&&(5126===r&&(a=34837),5131===r&&(a=34843),5121===r&&(a=32849)),6408===i&&(5126===r&&(a=34836),5131===r&&(a=34842),5121===r&&(a=32856)),33325!==a&&33326!==a&&34842!==a&&34836!==a||t.get("EXT_color_buffer_float"),a}function w(e){return 1003===e||1004===e||1005===e?9728:9729}function _(t){var n=t.target;n.removeEventListener("dispose",_),function(t){var n=i.get(t);if(void 0===n.__webglInit)return;e.deleteTexture(n.__webglTexture),i.remove(t)}(n),n.isVideoTexture&&d.delete(n),o.memory.textures--}function M(t){var n=t.target;n.removeEventListener("dispose",M),function(t){var n=i.get(t),r=i.get(t.texture);if(!t)return;void 0!==r.__webglTexture&&e.deleteTexture(r.__webglTexture);t.depthTexture&&t.depthTexture.dispose();if(t.isWebGLCubeRenderTarget)for(var a=0;a<6;a++)e.deleteFramebuffer(n.__webglFramebuffer[a]),n.__webglDepthbuffer&&e.deleteRenderbuffer(n.__webglDepthbuffer[a]);else e.deleteFramebuffer(n.__webglFramebuffer),n.__webglDepthbuffer&&e.deleteRenderbuffer(n.__webglDepthbuffer),n.__webglMultisampledFramebuffer&&e.deleteFramebuffer(n.__webglMultisampledFramebuffer),n.__webglColorRenderbuffer&&e.deleteRenderbuffer(n.__webglColorRenderbuffer),n.__webglDepthRenderbuffer&&e.deleteRenderbuffer(n.__webglDepthRenderbuffer);i.remove(t.texture),i.remove(t)}(n),o.memory.textures--}var S=0;function T(e,t){var r=i.get(e);if(e.isVideoTexture&&function(e){var t=o.render.frame;d.get(e)!==t&&(d.set(e,t),e.update())}(e),e.version>0&&r.__version!==e.version){var a=e.image;if(void 0===a)console.warn("THREE.WebGLRenderer: Texture marked for update but image is undefined");else{if(!1!==a.complete)return void O(r,e,t);console.warn("THREE.WebGLRenderer: Texture marked for update but image is incomplete")}}n.activeTexture(33984+t),n.bindTexture(3553,r.__webglTexture)}function E(t,r){if(6===t.image.length){var o=i.get(t);if(t.version>0&&o.__version!==t.version){C(o,t),n.activeTexture(33984+r),n.bindTexture(34067,o.__webglTexture),e.pixelStorei(37440,t.flipY);for(var s=t&&(t.isCompressedTexture||t.image[0].isCompressedTexture),c=t.image[0]&&t.image[0].isDataTexture,u=[],p=0;p<6;p++)u[p]=s||c?c?t.image[p].image:t.image[p]:g(t.image[p],!1,!0,h);var d,f=u[0],m=v(f)||l,w=a.convert(t.format),_=a.convert(t.type),M=b(t.internalFormat,w,_);if(P(34067,t,m),s){for(p=0;p<6;p++){d=u[p].mipmaps;for(var S=0;S1||i.get(a).__currentAnisotropy)&&(e.texParameterf(n,s.TEXTURE_MAX_ANISOTROPY_EXT,Math.min(a.anisotropy,r.getMaxAnisotropy())),i.get(a).__currentAnisotropy=a.anisotropy)}}function C(t,n){void 0===t.__webglInit&&(t.__webglInit=!0,n.addEventListener("dispose",_),t.__webglTexture=e.createTexture(),o.memory.textures++)}function O(t,i,r){var o=3553;i.isDataTexture2DArray&&(o=35866),i.isDataTexture3D&&(o=32879),C(t,i),n.activeTexture(33984+r),n.bindTexture(o,t.__webglTexture),e.pixelStorei(37440,i.flipY),e.pixelStorei(37441,i.premultiplyAlpha),e.pixelStorei(3317,i.unpackAlignment);var s=function(e){return!l&&(1001!==e.wrapS||1001!==e.wrapT||1003!==e.minFilter&&1006!==e.minFilter)}(i)&&!1===v(i.image),c=g(i.image,s,!1,u),h=v(c)||l,p=a.convert(i.format),d=a.convert(i.type),f=b(i.internalFormat,p,d);P(o,i,h);var m,w=i.mipmaps;if(i.isDepthTexture)f=6402,l?f=1015===i.type?36012:1014===i.type?33190:1020===i.type?35056:33189:1015===i.type&&console.error("WebGLRenderer: Floating point depth texture requires WebGL2."),1026===i.format&&6402===f&&1012!==i.type&&1014!==i.type&&(console.warn("THREE.WebGLRenderer: Use UnsignedShortType or UnsignedIntType for DepthFormat DepthTexture."),i.type=1012,d=a.convert(i.type)),1027===i.format&&6402===f&&(f=34041,1020!==i.type&&(console.warn("THREE.WebGLRenderer: Use UnsignedInt248Type for DepthStencilFormat DepthTexture."),i.type=1020,d=a.convert(i.type))),n.texImage2D(3553,0,f,c.width,c.height,0,p,d,null);else if(i.isDataTexture)if(w.length>0&&h){for(var _=0,M=w.length;_0&&h){for(_=0,M=w.length;_=c&&console.warn("THREE.WebGLTextures: Trying to use "+e+" texture units while this GPU supports only "+c),S+=1,e},this.resetTextureUnits=function(){S=0},this.setTexture2D=T,this.setTexture2DArray=function(e,t){var r=i.get(e);e.version>0&&r.__version!==e.version?O(r,e,t):(n.activeTexture(33984+t),n.bindTexture(35866,r.__webglTexture))},this.setTexture3D=function(e,t){var r=i.get(e);e.version>0&&r.__version!==e.version?O(r,e,t):(n.activeTexture(33984+t),n.bindTexture(32879,r.__webglTexture))},this.setTextureCube=E,this.setTextureCubeDynamic=A,this.setupRenderTarget=function(t){var r=i.get(t),s=i.get(t.texture);t.addEventListener("dispose",M),s.__webglTexture=e.createTexture(),o.memory.textures++;var c=!0===t.isWebGLCubeRenderTarget,h=!0===t.isWebGLMultisampleRenderTarget,u=v(t)||l;if(!l||1022!==t.texture.format||1015!==t.texture.type&&1016!==t.texture.type||(t.texture.format=1023,console.warn("THREE.WebGLRenderer: Rendering to textures with RGB format is not supported. Using RGBA format instead.")),c){r.__webglFramebuffer=[];for(var p=0;p<6;p++)r.__webglFramebuffer[p]=e.createFramebuffer()}else if(r.__webglFramebuffer=e.createFramebuffer(),h)if(l){r.__webglMultisampledFramebuffer=e.createFramebuffer(),r.__webglColorRenderbuffer=e.createRenderbuffer(),e.bindRenderbuffer(36161,r.__webglColorRenderbuffer);var d=a.convert(t.texture.format),f=a.convert(t.texture.type),m=b(t.texture.internalFormat,d,f),g=z(t);e.renderbufferStorageMultisample(36161,g,m,t.width,t.height),e.bindFramebuffer(36160,r.__webglMultisampledFramebuffer),e.framebufferRenderbuffer(36160,36064,36161,r.__webglColorRenderbuffer),e.bindRenderbuffer(36161,null),t.depthBuffer&&(r.__webglDepthRenderbuffer=e.createRenderbuffer(),D(r.__webglDepthRenderbuffer,t,!0)),e.bindFramebuffer(36160,null)}else console.warn("THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.");if(c){n.bindTexture(34067,s.__webglTexture),P(34067,t.texture,u);for(p=0;p<6;p++)I(r.__webglFramebuffer[p],t,36064,34069+p);y(t.texture,u)&&x(34067,t.texture,t.width,t.height),n.bindTexture(34067,null)}else n.bindTexture(3553,s.__webglTexture),P(3553,t.texture,u),I(r.__webglFramebuffer,t,36064,3553),y(t.texture,u)&&x(3553,t.texture,t.width,t.height),n.bindTexture(3553,null);t.depthBuffer&&N(t)},this.updateRenderTargetMipmap=function(e){var t=e.texture;if(y(t,v(e)||l)){var r=e.isWebGLCubeRenderTarget?34067:3553,a=i.get(t).__webglTexture;n.bindTexture(r,a),x(r,t,e.width,e.height),n.bindTexture(r,null)}},this.updateMultisampleRenderTarget=function(t){if(t.isWebGLMultisampleRenderTarget)if(l){var n=i.get(t);e.bindFramebuffer(36008,n.__webglMultisampledFramebuffer),e.bindFramebuffer(36009,n.__webglFramebuffer);var r=t.width,a=t.height,o=16384;t.depthBuffer&&(o|=256),t.stencilBuffer&&(o|=1024),e.blitFramebuffer(0,0,r,a,0,0,r,a,o,9728),e.bindFramebuffer(36160,n.__webglMultisampledFramebuffer)}else console.warn("THREE.WebGLRenderer: WebGLMultisampleRenderTarget can only be used with WebGL2.")},this.safeSetTexture2D=function(e,t){e&&e.isWebGLRenderTarget&&(!1===U&&(console.warn("THREE.WebGLTextures.safeSetTexture2D: don't use render targets as textures. Use their .texture property instead."),U=!0),e=e.texture),T(e,t)},this.safeSetTextureCube=function(e,t){e&&e.isWebGLCubeRenderTarget&&(!1===F&&(console.warn("THREE.WebGLTextures.safeSetTextureCube: don't use cube render targets as textures. Use their .texture property instead."),F=!0),e=e.texture),e&&e.isCubeTexture||Array.isArray(e.image)&&6===e.image.length?E(e,t):A(e,t)}}function KS(e,t,n){var i=n.isWebGL2;return{convert:function(e){var n;if(1009===e)return 5121;if(1017===e)return 32819;if(1018===e)return 32820;if(1019===e)return 33635;if(1010===e)return 5120;if(1011===e)return 5122;if(1012===e)return 5123;if(1013===e)return 5124;if(1014===e)return 5125;if(1015===e)return 5126;if(1016===e)return i?5131:null!==(n=t.get("OES_texture_half_float"))?n.HALF_FLOAT_OES:null;if(1021===e)return 6406;if(1022===e)return 6407;if(1023===e)return 6408;if(1024===e)return 6409;if(1025===e)return 6410;if(1026===e)return 6402;if(1027===e)return 34041;if(1028===e)return 6403;if(1029===e)return 36244;if(1030===e)return 33319;if(1031===e)return 33320;if(1032===e)return 36248;if(1033===e)return 36249;if(33776===e||33777===e||33778===e||33779===e){if(null===(n=t.get("WEBGL_compressed_texture_s3tc")))return null;if(33776===e)return n.COMPRESSED_RGB_S3TC_DXT1_EXT;if(33777===e)return n.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(33778===e)return n.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(33779===e)return n.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(35840===e||35841===e||35842===e||35843===e){if(null===(n=t.get("WEBGL_compressed_texture_pvrtc")))return null;if(35840===e)return n.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(35841===e)return n.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(35842===e)return n.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(35843===e)return n.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(36196===e)return null!==(n=t.get("WEBGL_compressed_texture_etc1"))?n.COMPRESSED_RGB_ETC1_WEBGL:null;if((37492===e||37496===e)&&null!==(n=t.get("WEBGL_compressed_texture_etc"))){if(37492===e)return n.COMPRESSED_RGB8_ETC2;if(37496===e)return n.COMPRESSED_RGBA8_ETC2_EAC}return 37808===e||37809===e||37810===e||37811===e||37812===e||37813===e||37814===e||37815===e||37816===e||37817===e||37818===e||37819===e||37820===e||37821===e||37840===e||37841===e||37842===e||37843===e||37844===e||37845===e||37846===e||37847===e||37848===e||37849===e||37850===e||37851===e||37852===e||37853===e?null!==(n=t.get("WEBGL_compressed_texture_astc"))?e:null:36492===e?null!==(n=t.get("EXT_texture_compression_bptc"))?e:null:1020===e?i?34042:null!==(n=t.get("WEBGL_depth_texture"))?n.UNSIGNED_INT_24_8_WEBGL:null:void 0}}}function QS(e){q_.call(this),this.cameras=e||[]}function $S(){Jb.call(this),this.type="Group"}function eT(){this._targetRay=null,this._grip=null}function tT(e,t){var n=this,i=null,r=1,a=null,o="local-floor",s=null,l=[],c=new Map,h=new q_;h.layers.enable(1),h.viewport=new vb;var u=new q_;u.layers.enable(2),u.viewport=new vb;var p=[h,u],d=new QS;d.layers.enable(1),d.layers.enable(2);var f=null,m=null;function g(e){var t=c.get(e.inputSource);t&&t.dispatchEvent({type:e.type})}function v(){c.forEach((function(e,t){e.disconnect(t)})),c.clear(),e.setFramebuffer(null),e.setRenderTarget(e.getRenderTarget()),S.stop(),n.isPresenting=!1,n.dispatchEvent({type:"sessionend"})}function y(e){a=e,S.setContext(i),S.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}function x(e){for(var t=i.inputSources,n=0;n=0){var c=r[s];if(void 0!==c){var h=c.normalized,u=c.itemSize;if(void 0===(M=b.get(c)))continue;var p=M.buffer,v=M.type,y=M.bytesPerElement;if(c.isInterleavedBufferAttribute){var x=c.data,w=x.stride,_=c.offset;x&&x.isInstancedInterleavedBuffer?(g.enableAttributeAndDivisor(l,x.meshPerAttribute),void 0===t._maxInstanceCount&&(t._maxInstanceCount=x.meshPerAttribute*x.count)):g.enableAttribute(l),d.bindBuffer(34962,p),g.vertexAttribPointer(l,u,v,h,w*y,_*y)}else c.isInstancedBufferAttribute?(g.enableAttributeAndDivisor(l,c.meshPerAttribute),void 0===t._maxInstanceCount&&(t._maxInstanceCount=c.meshPerAttribute*c.count)):g.enableAttribute(l),d.bindBuffer(34962,p),g.vertexAttribPointer(l,u,v,h,0,0)}else if("instanceMatrix"===s){var M;if(void 0===(M=b.get(e.instanceMatrix)))continue;p=M.buffer,v=M.type;g.enableAttributeAndDivisor(l+0,1),g.enableAttributeAndDivisor(l+1,1),g.enableAttributeAndDivisor(l+2,1),g.enableAttributeAndDivisor(l+3,1),d.bindBuffer(34962,p),d.vertexAttribPointer(l+0,4,v,!1,64,0),d.vertexAttribPointer(l+1,4,v,!1,64,16),d.vertexAttribPointer(l+2,4,v,!1,64,32),d.vertexAttribPointer(l+3,4,v,!1,64,48)}else if(void 0!==o){var S=o[s];if(void 0!==S)switch(S.length){case 2:d.vertexAttrib2fv(l,S);break;case 3:d.vertexAttrib3fv(l,S);break;case 4:d.vertexAttrib4fv(l,S);break;default:d.vertexAttrib1fv(l,S)}}}}g.disableUnusedAttributes()}(r,n,i,s),null!==c&&d.bindBuffer(34963,u.buffer));var y=null!==c?c.count:h.count,x=n.drawRange.start*p,_=n.drawRange.count*p,M=null!==a?a.start*p:0,S=null!==a?a.count*p:1/0,T=Math.max(x,M),E=Math.min(y,x+_,M+S)-1,A=Math.max(0,E-T+1);if(0!==A){if(r.isMesh)!0===i.wireframe?(g.setLineWidth(i.wireframeLinewidth*oe()),v.setMode(1)):v.setMode(4);else if(r.isLine){var C=i.linewidth;void 0===C&&(C=1),g.setLineWidth(C*oe()),r.isLineSegments?v.setMode(1):r.isLineLoop?v.setMode(2):v.setMode(3)}else r.isPoints?v.setMode(0):r.isSprite&&v.setMode(4);if(r.isInstancedMesh)v.renderInstances(n,T,A,r.count);else if(n.isInstancedBufferGeometry){var O=Math.min(n.instanceCount,n._maxInstanceCount);v.renderInstances(n,T,A,O)}else v.render(T,A)}},this.compile=function(e,t){(p=E.get(e,t)).init(),e.traverse((function(e){e.isLight&&(p.pushLight(e),e.castShadow&&p.pushShadow(e))})),p.setupLights(t);const n={};e.traverse((function(t){let i=t.material;if(i)if(Array.isArray(i))for(let r=0;r=0&&e.numSupportedMorphTargets++}if(e.morphNormals){e.numSupportedMorphNormals=0;for(d=0;d=0&&e.numSupportedMorphNormals++}var f=i.uniforms;(e.isShaderMaterial||e.isRawShaderMaterial)&&!0!==e.clipping||(i.numClippingPlanes=te.numPlanes,i.numIntersection=te.numIntersection,f.clippingPlanes=te.uniform),i.environment=e.isMeshStandardMaterial?t.environment:null,i.fog=t.fog,i.needsLights=function(e){return e.isMeshLambertMaterial||e.isMeshToonMaterial||e.isMeshPhongMaterial||e.isMeshStandardMaterial||e.isShadowMaterial||e.isShaderMaterial&&!0===e.lights}(e),i.lightsStateVersion=o,i.needsLights&&(f.ambientLightColor.value=r.state.ambient,f.lightProbe.value=r.state.probe,f.directionalLights.value=r.state.directional,f.directionalLightShadows.value=r.state.directionalShadow,f.spotLights.value=r.state.spot,f.spotLightShadows.value=r.state.spotShadow,f.rectAreaLights.value=r.state.rectArea,f.pointLights.value=r.state.point,f.pointLightShadows.value=r.state.pointShadow,f.hemisphereLights.value=r.state.hemi,f.directionalShadowMap.value=r.state.directionalShadowMap,f.directionalShadowMatrix.value=r.state.directionalShadowMatrix,f.spotShadowMap.value=r.state.spotShadowMap,f.spotShadowMatrix.value=r.state.spotShadowMatrix,f.pointShadowMap.value=r.state.pointShadowMap,f.pointShadowMatrix.value=r.state.pointShadowMatrix);var m=i.program.getUniforms(),g=fS.seqWithValue(m.seq,f);i.uniformsList=g}function _e(e,t,n,i){x.resetTextureUnits();var r=t.fog,a=n.isMeshStandardMaterial?t.environment:null,o=null===U?O.outputEncoding:U.texture.encoding,s=y.get(n),l=p.state.lights;if(ne&&(ie||e!==G)){var c=e===G&&n.id===B;te.setState(n.clippingPlanes,n.clipIntersection,n.clipShadows,e,s,c)}n.version===s.__version?void 0===s.program||n.fog&&s.fog!==r||s.environment!==a||s.needsLights&&s.lightsStateVersion!==l.state.version?we(n,t,i):void 0===s.numClippingPlanes||s.numClippingPlanes===te.numPlanes&&s.numIntersection===te.numIntersection?s.outputEncoding!==o&&we(n,t,i):we(n,t,i):(we(n,t,i),s.__version=n.version);var h,u,f=!1,v=!1,b=!1,w=s.program,_=w.getUniforms(),M=s.uniforms;if(g.useProgram(w.program)&&(f=!0,v=!0,b=!0),n.id!==B&&(B=n.id,v=!0),f||G!==e){if(_.setValue(d,"projectionMatrix",e.projectionMatrix),m.logarithmicDepthBuffer&&_.setValue(d,"logDepthBufFC",2/(Math.log(e.far+1)/Math.LN2)),G!==e&&(G=e,v=!0,b=!0),n.isShaderMaterial||n.isMeshPhongMaterial||n.isMeshToonMaterial||n.isMeshStandardMaterial||n.envMap){var T=_.map.cameraPosition;void 0!==T&&T.setValue(d,ae.setFromMatrixPosition(e.matrixWorld))}(n.isMeshPhongMaterial||n.isMeshToonMaterial||n.isMeshLambertMaterial||n.isMeshBasicMaterial||n.isMeshStandardMaterial||n.isShaderMaterial)&&_.setValue(d,"isOrthographic",!0===e.isOrthographicCamera),(n.isMeshPhongMaterial||n.isMeshToonMaterial||n.isMeshLambertMaterial||n.isMeshBasicMaterial||n.isMeshStandardMaterial||n.isShaderMaterial||n.skinning)&&_.setValue(d,"viewMatrix",e.matrixWorldInverse)}if(n.skinning){_.setOptional(d,i,"bindMatrix"),_.setOptional(d,i,"bindMatrixInverse");var E=i.skeleton;if(E){var A=E.bones;if(m.floatVertexTextures){if(void 0===E.boneTexture){var L=Math.sqrt(4*A.length);L=ub.ceilPowerOfTwo(L),L=Math.max(L,4);var R=new Float32Array(L*L*4);R.set(E.boneMatrices);var P=new J_(R,L,L,1023,1015);E.boneMatrices=R,E.boneTexture=P,E.boneTextureSize=L}_.setValue(d,"boneTexture",E.boneTexture,x),_.setValue(d,"boneTextureSize",E.boneTextureSize)}else _.setOptional(d,E,"boneMatrices")}}return(v||s.receiveShadow!==i.receiveShadow)&&(s.receiveShadow=i.receiveShadow,_.setValue(d,"receiveShadow",i.receiveShadow)),v&&(_.setValue(d,"toneMappingExposure",O.toneMappingExposure),_.setValue(d,"toneMappingWhitePoint",O.toneMappingWhitePoint),s.needsLights&&(u=b,(h=M).ambientLightColor.needsUpdate=u,h.lightProbe.needsUpdate=u,h.directionalLights.needsUpdate=u,h.directionalLightShadows.needsUpdate=u,h.pointLights.needsUpdate=u,h.pointLightShadows.needsUpdate=u,h.spotLights.needsUpdate=u,h.spotLightShadows.needsUpdate=u,h.rectAreaLights.needsUpdate=u,h.hemisphereLights.needsUpdate=u),r&&n.fog&&S.refreshFogUniforms(M,r),S.refreshMaterialUniforms(M,n,a,Y,X),void 0!==M.ltc_1&&(M.ltc_1.value=$_.LTC_1),void 0!==M.ltc_2&&(M.ltc_2.value=$_.LTC_2),fS.upload(d,s.uniformsList,M,x)),n.isShaderMaterial&&!0===n.uniformsNeedUpdate&&(fS.upload(d,s.uniformsList,M,x),n.uniformsNeedUpdate=!1),n.isSpriteMaterial&&_.setValue(d,"center",i.center),_.setValue(d,"modelViewMatrix",i.modelViewMatrix),_.setValue(d,"normalMatrix",i.normalMatrix),_.setValue(d,"modelMatrix",i.matrixWorld),w}ve.setAnimationLoop((function(e){ce.isPresenting||ge&&ge(e)})),"undefined"!=typeof window&&ve.setContext(window),this.setAnimationLoop=function(e){ge=e,ce.setAnimationLoop(e),ve.start()},this.render=function(e,t){var n,i;if(void 0!==arguments[2]&&(console.warn("THREE.WebGLRenderer.render(): the renderTarget argument has been removed. Use .setRenderTarget() instead."),n=arguments[2]),void 0!==arguments[3]&&(console.warn("THREE.WebGLRenderer.render(): the forceClear argument has been removed. Use .clear() instead."),i=arguments[3]),t&&t.isCamera){if(!I){H.geometry=null,H.program=null,H.wireframe=!1,B=-1,G=null,!0===e.autoUpdate&&e.updateMatrixWorld(),null===t.parent&&t.updateMatrixWorld(),ce.enabled&&ce.isPresenting&&(t=ce.getCamera(t)),e.onBeforeRender(O,e,t,n||U),(p=E.get(e,t)).init(),re.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),ee.setFromProjectionMatrix(re),ie=this.localClippingEnabled,ne=te.init(this.clippingPlanes,ie,t),(u=T.get(e,t)).init(),ye(e,t,0,O.sortObjects),u.finish(),!0===O.sortObjects&&u.sort(J,Z),ne&&te.beginShadows();var r=p.state.shadowsArray;he.render(r,e,t),p.setupLights(t),ne&&te.endShadows(),this.info.autoReset&&this.info.reset(),void 0!==n&&this.setRenderTarget(n),A.render(u,e,t,i);var a=u.opaque,o=u.transparent;if(e.overrideMaterial){var s=e.overrideMaterial;a.length&&xe(a,e,t,s),o.length&&xe(o,e,t,s)}else a.length&&xe(a,e,t),o.length&&xe(o,e,t);e.onAfterRender(O,e,t),null!==U&&(x.updateRenderTargetMipmap(U),x.updateMultisampleRenderTarget(U)),g.buffers.depth.setTest(!0),g.buffers.depth.setMask(!0),g.buffers.color.setMask(!0),g.setPolygonOffset(!1),u=null,p=null}}else console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.")},this.setFramebuffer=function(e){D!==e&&null===U&&d.bindFramebuffer(36160,e),D=e},this.getActiveCubeFace=function(){return N},this.getActiveMipmapLevel=function(){return z},this.getRenderTarget=function(){return U},this.setRenderTarget=function(e,t,n){U=e,N=t,z=n,e&&void 0===y.get(e).__webglFramebuffer&&x.setupRenderTarget(e);var i=D,r=!1;if(e){var a=y.get(e).__webglFramebuffer;e.isWebGLCubeRenderTarget?(i=a[t||0],r=!0):i=e.isWebGLMultisampleRenderTarget?y.get(e).__webglMultisampledFramebuffer:a,V.copy(e.viewport),j.copy(e.scissor),W=e.scissorTest}else V.copy(K).multiplyScalar(Y).floor(),j.copy(Q).multiplyScalar(Y).floor(),W=$;if(F!==i&&(d.bindFramebuffer(36160,i),F=i),g.viewport(V),g.scissor(j),g.setScissorTest(W),r){var o=y.get(e.texture);d.framebufferTexture2D(36160,36064,34069+(t||0),o.__webglTexture,n||0)}},this.readRenderTargetPixels=function(e,t,n,i,r,a,o){if(e&&e.isWebGLRenderTarget){var s=y.get(e).__webglFramebuffer;if(e.isWebGLCubeRenderTarget&&void 0!==o&&(s=s[o]),s){var l=!1;s!==F&&(d.bindFramebuffer(36160,s),l=!0);try{var c=e.texture,h=c.format,u=c.type;if(1023!==h&&C.convert(h)!==d.getParameter(35739))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");if(!(1009===u||C.convert(u)===d.getParameter(35738)||1015===u&&(m.isWebGL2||f.get("OES_texture_float")||f.get("WEBGL_color_buffer_float"))||1016===u&&(m.isWebGL2?f.get("EXT_color_buffer_float"):f.get("EXT_color_buffer_half_float"))))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");36053===d.checkFramebufferStatus(36160)?t>=0&&t<=e.width-i&&n>=0&&n<=e.height-r&&d.readPixels(t,n,i,r,C.convert(h),C.convert(u),a):console.error("THREE.WebGLRenderer.readRenderTargetPixels: readPixels from renderTarget failed. Framebuffer not complete.")}finally{l&&d.bindFramebuffer(36160,F)}}}else console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.")},this.copyFramebufferToTexture=function(e,t,n){void 0===n&&(n=0);var i=Math.pow(2,-n),r=Math.floor(t.image.width*i),a=Math.floor(t.image.height*i),o=C.convert(t.format);x.setTexture2D(t,0),d.copyTexImage2D(3553,n,o,e.x,e.y,r,a,0),g.unbindTexture()},this.copyTextureToTexture=function(e,t,n,i){void 0===i&&(i=0);var r=t.image.width,a=t.image.height,o=C.convert(n.format),s=C.convert(n.type);x.setTexture2D(n,0),t.isDataTexture?d.texSubImage2D(3553,i,e.x,e.y,r,a,o,s,t.image.data):t.isCompressedTexture?d.compressedTexSubImage2D(3553,i,e.x,e.y,t.mipmaps[0].width,t.mipmaps[0].height,o,t.mipmaps[0].data):d.texSubImage2D(3553,i,e.x,e.y,o,s,t.image),0===i&&n.generateMipmaps&&d.generateMipmap(3553),g.unbindTexture()},this.initTexture=function(e){x.setTexture2D(e,0),g.unbindTexture()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}function rT(e,t){this.name="",this.color=new Hw(e),this.density=void 0!==t?t:25e-5}function aT(e,t,n){this.name="",this.color=new Hw(e),this.near=void 0!==t?t:1,this.far=void 0!==n?n:1e3}function oT(e,t){this.array=e,this.stride=t,this.count=void 0!==e?e.length/t:0,this.usage=35044,this.updateRange={offset:0,count:-1},this.version=0}QS.prototype=Object.assign(Object.create(q_.prototype),{constructor:QS,isArrayCamera:!0}),$S.prototype=Object.assign(Object.create(Jb.prototype),{constructor:$S,isGroup:!0}),Object.assign(eT.prototype,{constructor:eT,getTargetRaySpace:function(){return null===this._targetRay&&(this._targetRay=new $S,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1),this._targetRay},getGripSpace:function(){return null===this._grip&&(this._grip=new $S,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1),this._grip},dispatchEvent:function(e){return null!==this._targetRay&&this._targetRay.dispatchEvent(e),null!==this._grip&&this._grip.dispatchEvent(e),this},disconnect:function(e){return this.dispatchEvent({type:"disconnected",data:e}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),this},update:function(e,t,n){var i=null,r=null,a=this._targetRay,o=this._grip;return e&&(null!==a&&null!==(i=t.getPose(e.targetRaySpace,n))&&(a.matrix.fromArray(i.transform.matrix),a.matrix.decompose(a.position,a.rotation,a.scale)),null!==o&&e.gripSpace&&null!==(r=t.getPose(e.gripSpace,n))&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale))),null!==a&&(a.visible=null!==i),null!==o&&(o.visible=null!==r),this}}),Object.assign(tT.prototype,sb.prototype),Object.assign(rT.prototype,{isFogExp2:!0,clone:function(){return new rT(this.color,this.density)},toJSON:function(){return{type:"FogExp2",color:this.color.getHex(),density:this.density}}}),Object.assign(aT.prototype,{isFog:!0,clone:function(){return new aT(this.color,this.near,this.far)},toJSON:function(){return{type:"Fog",color:this.color.getHex(),near:this.near,far:this.far}}}),Object.defineProperty(oT.prototype,"needsUpdate",{set:function(e){!0===e&&this.version++}}),Object.assign(oT.prototype,{isInterleavedBuffer:!0,onUploadCallback:function(){},setUsage:function(e){return this.usage=e,this},copy:function(e){return this.array=new e.array.constructor(e.array),this.count=e.count,this.stride=e.stride,this.usage=e.usage,this},copyAt:function(e,t,n){e*=this.stride,n*=t.stride;for(var i=0,r=this.stride;ie.far||t.push({distance:s,point:uT.clone(),uv:zw.getUV(uT,vT,yT,xT,bT,wT,_T,new pb),face:null,object:this})}},clone:function(){return new this.constructor(this.material).copy(this)},copy:function(e){return Jb.prototype.copy.call(this,e),void 0!==e.center&&this.center.copy(e.center),this}});var TT=new Mb,ET=new Mb;function AT(){Jb.call(this),this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]}}),this.autoUpdate=!0}function LT(e,t){e&&e.isGeometry&&console.error("THREE.SkinnedMesh no longer supports THREE.Geometry. Use THREE.BufferGeometry instead."),O_.call(this,e,t),this.type="SkinnedMesh",this.bindMode="attached",this.bindMatrix=new Cb,this.bindMatrixInverse=new Cb}AT.prototype=Object.assign(Object.create(Jb.prototype),{constructor:AT,isLOD:!0,copy:function(e){Jb.prototype.copy.call(this,e,!1);for(var t=e.levels,n=0,i=t.length;n0){for(var n=1,i=t.length;n0){TT.setFromMatrixPosition(this.matrixWorld);var n=e.ray.origin.distanceTo(TT);this.getObjectForDistance(n).raycast(e,t)}},update:function(e){var t=this.levels;if(t.length>1){TT.setFromMatrixPosition(e.matrixWorld),ET.setFromMatrixPosition(this.matrixWorld);var n=TT.distanceTo(ET)/e.zoom;t[0].object.visible=!0;for(var i=1,r=t.length;i=t[i].distance;i++)t[i-1].object.visible=!1,t[i].object.visible=!0;for(this._currentLevel=i-1;io))h.applyMatrix4(this.matrixWorld),(w=e.ray.origin.distanceTo(h))e.far||t.push({distance:w,point:c.clone().applyMatrix4(this.matrixWorld),index:m,face:null,faceIndex:null,object:this})}else for(m=0,g=d.length/3-1;mo))h.applyMatrix4(this.matrixWorld),(w=e.ray.origin.distanceTo(h))e.far||t.push({distance:w,point:c.clone().applyMatrix4(this.matrixWorld),index:m,face:null,faceIndex:null,object:this})}}else if(n.isGeometry){var x=n.vertices,b=x.length;for(m=0;mo))h.applyMatrix4(this.matrixWorld),(w=e.ray.origin.distanceTo(h))e.far||t.push({distance:w,point:c.clone().applyMatrix4(this.matrixWorld),index:m,face:null,faceIndex:null,object:this})}}}},updateMorphTargets:function(){var e,t,n,i=this.geometry;if(i.isBufferGeometry){var r=i.morphAttributes,a=Object.keys(r);if(a.length>0){var o=r[a[0]];if(void 0!==o)for(this.morphTargetInfluences=[],this.morphTargetDictionary={},e=0,t=o.length;e0&&console.error("THREE.Line.updateMorphTargets() does not support THREE.Geometry. Use THREE.BufferGeometry instead.")}},clone:function(){return new this.constructor(this.geometry,this.material).copy(this)}});var WT=new Mb,qT=new Mb;function XT(e,t){jT.call(this,e,t),this.type="LineSegments"}function YT(e,t){jT.call(this,e,t),this.type="LineLoop"}function JT(e){qw.call(this),this.type="PointsMaterial",this.color=new Hw(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.morphTargets=!1,this.setValues(e)}XT.prototype=Object.assign(Object.create(jT.prototype),{constructor:XT,isLineSegments:!0,computeLineDistances:function(){var e=this.geometry;if(e.isBufferGeometry)if(null===e.index){for(var t=e.attributes.position,n=[],i=0,r=t.count;ir.far)return;a.push({distance:c,distanceToRay:Math.sqrt(s),point:l,index:t,face:null,object:o})}}function nE(e,t,n,i,r,a,o,s,l){gb.call(this,e,t,n,i,r,a,o,s,l),this.format=void 0!==o?o:1022,this.minFilter=void 0!==a?a:1006,this.magFilter=void 0!==r?r:1006,this.generateMipmaps=!1}function iE(e,t,n,i,r,a,o,s,l,c,h,u){gb.call(this,null,a,o,s,l,c,i,r,h,u),this.image={width:t,height:n},this.mipmaps=e,this.flipY=!1,this.generateMipmaps=!1}function rE(e,t,n,i,r,a,o,s,l){gb.call(this,e,t,n,i,r,a,o,s,l),this.needsUpdate=!0}function aE(e,t,n,i,r,a,o,s,l,c){if(1026!==(c=void 0!==c?c:1026)&&1027!==c)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");void 0===n&&1026===c&&(n=1012),void 0===n&&1027===c&&(n=1020),gb.call(this,null,i,r,a,o,s,c,n,l),this.image={width:e,height:t},this.magFilter=void 0!==o?o:1003,this.minFilter=void 0!==s?s:1003,this.flipY=!1,this.generateMipmaps=!1}function oE(e){f_.call(this),this.type="WireframeGeometry";var t,n,i,r,a,o,s,l,c,h,u=[],p=[0,0],d={},f=["a","b","c"];if(e&&e.isGeometry){var m=e.faces;for(t=0,i=m.length;t=0?(e(v-c,g,p),d.subVectors(u,p)):(e(v+c,g,p),d.subVectors(p,u)),g-c>=0?(e(v,g-c,p),f.subVectors(u,p)):(e(v,g+c,p),f.subVectors(p,u)),h.crossVectors(d,f).normalize(),s.push(h.x,h.y,h.z),l.push(v,g)}}for(i=0;i.9&&o<.1&&(t<.2&&(a[e+0]+=1),n<.2&&(a[e+2]+=1),i<.2&&(a[e+4]+=1))}}()}(),this.setAttribute("position",new i_(r,3)),this.setAttribute("normal",new i_(r.slice(),3)),this.setAttribute("uv",new i_(a,2)),0===i?this.computeVertexNormals():this.normalizeNormals()}function uE(e,t){B_.call(this),this.type="TetrahedronGeometry",this.parameters={radius:e,detail:t},this.fromBufferGeometry(new pE(e,t)),this.mergeVertices()}function pE(e,t){hE.call(this,[1,1,1,-1,-1,1,-1,1,-1,1,-1,-1],[2,1,0,0,3,2,1,3,0,2,3,1],e,t),this.type="TetrahedronBufferGeometry",this.parameters={radius:e,detail:t}}function dE(e,t){B_.call(this),this.type="OctahedronGeometry",this.parameters={radius:e,detail:t},this.fromBufferGeometry(new fE(e,t)),this.mergeVertices()}function fE(e,t){hE.call(this,[1,0,0,-1,0,0,0,1,0,0,-1,0,0,0,1,0,0,-1],[0,2,4,0,4,3,0,3,5,0,5,2,1,2,5,1,5,3,1,3,4,1,4,2],e,t),this.type="OctahedronBufferGeometry",this.parameters={radius:e,detail:t}}function mE(e,t){B_.call(this),this.type="IcosahedronGeometry",this.parameters={radius:e,detail:t},this.fromBufferGeometry(new gE(e,t)),this.mergeVertices()}function gE(e,t){var n=(1+Math.sqrt(5))/2,i=[-1,n,0,1,n,0,-1,-n,0,1,-n,0,0,-1,n,0,1,n,0,-1,-n,0,1,-n,n,0,-1,n,0,1,-n,0,-1,-n,0,1];hE.call(this,i,[0,11,5,0,5,1,0,1,7,0,7,10,0,10,11,1,5,9,5,11,4,11,10,2,10,7,6,7,1,8,3,9,4,3,4,2,3,2,6,3,6,8,3,8,9,4,9,5,2,4,11,6,2,10,8,6,7,9,8,1],e,t),this.type="IcosahedronBufferGeometry",this.parameters={radius:e,detail:t}}function vE(e,t){B_.call(this),this.type="DodecahedronGeometry",this.parameters={radius:e,detail:t},this.fromBufferGeometry(new yE(e,t)),this.mergeVertices()}function yE(e,t){var n=(1+Math.sqrt(5))/2,i=1/n,r=[-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-i,-n,0,-i,n,0,i,-n,0,i,n,-i,-n,0,-i,n,0,i,-n,0,i,n,0,-n,0,-i,n,0,-i,-n,0,i,n,0,i];hE.call(this,r,[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,19,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9],e,t),this.type="DodecahedronBufferGeometry",this.parameters={radius:e,detail:t}}function xE(e,t,n,i,r,a){B_.call(this),this.type="TubeGeometry",this.parameters={path:e,tubularSegments:t,radius:n,radialSegments:i,closed:r},void 0!==a&&console.warn("THREE.TubeGeometry: taper has been removed.");var o=new bE(e,t,n,i,r);this.tangents=o.tangents,this.normals=o.normals,this.binormals=o.binormals,this.fromBufferGeometry(o),this.mergeVertices()}function bE(e,t,n,i,r){f_.call(this),this.type="TubeBufferGeometry",this.parameters={path:e,tubularSegments:t,radius:n,radialSegments:i,closed:r},t=t||64,n=n||1,i=i||8,r=r||!1;var a=e.computeFrenetFrames(t,r);this.tangents=a.tangents,this.normals=a.normals,this.binormals=a.binormals;var o,s,l=new Mb,c=new Mb,h=new pb,u=new Mb,p=[],d=[],f=[],m=[];function g(r){u=e.getPointAt(r/t,u);var o=a.normals[r],h=a.binormals[r];for(s=0;s<=i;s++){var f=s/i*Math.PI*2,m=Math.sin(f),g=-Math.cos(f);c.x=g*o.x+m*h.x,c.y=g*o.y+m*h.y,c.z=g*o.z+m*h.z,c.normalize(),d.push(c.x,c.y,c.z),l.x=u.x+n*c.x,l.y=u.y+n*c.y,l.z=u.z+n*c.z,p.push(l.x,l.y,l.z)}}!function(){for(o=0;o0){var o=r[a[0]];if(void 0!==o)for(this.morphTargetInfluences=[],this.morphTargetDictionary={},e=0,t=o.length;e0&&console.error("THREE.Points.updateMorphTargets() does not support THREE.Geometry. 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qw.prototype.copy.call(this,e),this.color.copy(e.color),this.specular.copy(e.specular),this.shininess=e.shininess,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this},AA.prototype=Object.create(qw.prototype),AA.prototype.constructor=AA,AA.prototype.isMeshToonMaterial=!0,AA.prototype.copy=function(e){return qw.prototype.copy.call(this,e),this.color.copy(e.color),this.specular.copy(e.specular),this.shininess=e.shininess,this.map=e.map,this.gradientMap=e.gradientMap,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this},LA.prototype=Object.create(qw.prototype),LA.prototype.constructor=LA,LA.prototype.isMeshNormalMaterial=!0,LA.prototype.copy=function(e){return qw.prototype.copy.call(this,e),this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this},RA.prototype=Object.create(qw.prototype),RA.prototype.constructor=RA,RA.prototype.isMeshLambertMaterial=!0,RA.prototype.copy=function(e){return qw.prototype.copy.call(this,e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this},PA.prototype=Object.create(qw.prototype),PA.prototype.constructor=PA,PA.prototype.isMeshMatcapMaterial=!0,PA.prototype.copy=function(e){return qw.prototype.copy.call(this,e),this.defines={MATCAP:""},this.color.copy(e.color),this.matcap=e.matcap,this.map=e.map,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.skinning=e.skinning,this.morphTargets=e.morphTargets,this.morphNormals=e.morphNormals,this},CA.prototype=Object.create(FT.prototype),CA.prototype.constructor=CA,CA.prototype.isLineDashedMaterial=!0,CA.prototype.copy=function(e){return FT.prototype.copy.call(this,e),this.scale=e.scale,this.dashSize=e.dashSize,this.gapSize=e.gapSize,this};var OA=Object.freeze({__proto__:null,ShadowMaterial:_A,SpriteMaterial:hT,RawShaderMaterial:MA,ShaderMaterial:j_,PointsMaterial:JT,MeshPhysicalMaterial:TA,MeshStandardMaterial:SA,MeshPhongMaterial:EA,MeshToonMaterial:AA,MeshNormalMaterial:LA,MeshLambertMaterial:RA,MeshDepthMaterial:qS,MeshDistanceMaterial:XS,MeshBasicMaterial:Xw,MeshMatcapMaterial:PA,LineDashedMaterial:CA,LineBasicMaterial:FT,Material:qw}),IA={arraySlice:function(e,t,n){return IA.isTypedArray(e)?new e.constructor(e.subarray(t,void 0!==n?n:e.length)):e.slice(t,n)},convertArray:function(e,t,n){return!e||!n&&e.constructor===t?e:"number"==typeof t.BYTES_PER_ELEMENT?new t(e):Array.prototype.slice.call(e)},isTypedArray:function(e){return ArrayBuffer.isView(e)&&!(e instanceof DataView)},getKeyframeOrder:function(e){for(var t=e.length,n=new Array(t),i=0;i!==t;++i)n[i]=i;return n.sort((function(t,n){return e[t]-e[n]})),n},sortedArray:function(e,t,n){for(var i=e.length,r=new e.constructor(i),a=0,o=0;o!==i;++a)for(var 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o=this.getValueSize();this.times=IA.arraySlice(n,r,a),this.values=IA.arraySlice(this.values,r*o,a*o)}return this},validate:function(){var e=!0,t=this.getValueSize();t-Math.floor(t)!=0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),e=!1);var n=this.times,i=this.values,r=n.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),e=!1);for(var a=null,o=0;o!==r;o++){var s=n[o];if("number"==typeof s&&isNaN(s)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,o,s),e=!1;break}if(null!==a&&a>s){console.error("THREE.KeyframeTrack: Out of order keys.",this,o,s,a),e=!1;break}a=s}if(void 0!==i&&IA.isTypedArray(i)){o=0;for(var l=i.length;o!==l;++o){var c=i[o];if(isNaN(c)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,o,c),e=!1;break}}}return e},optimize:function(){for(var e=IA.arraySlice(this.times),t=IA.arraySlice(this.values),n=this.getValueSize(),i=2302===this.getInterpolation(),r=1,a=e.length-1,o=1;o0){e[r]=e[a];for(f=a*n,m=r*n,p=0;p!==n;++p)t[m+p]=t[f+p];++r}return r!==e.length?(this.times=IA.arraySlice(e,0,r),this.values=IA.arraySlice(t,0,r*n)):(this.times=e,this.values=t),this},clone:function(){var e=IA.arraySlice(this.times,0),t=IA.arraySlice(this.values,0),n=new(0,this.constructor)(this.name,e,t);return n.createInterpolant=this.createInterpolant,n}}),BA.prototype=Object.assign(Object.create(FA.prototype),{constructor:BA,ValueTypeName:"bool",ValueBufferType:Array,DefaultInterpolation:2300,InterpolantFactoryMethodLinear:void 0,InterpolantFactoryMethodSmooth:void 0}),HA.prototype=Object.assign(Object.create(FA.prototype),{constructor:HA,ValueTypeName:"color"}),GA.prototype=Object.assign(Object.create(FA.prototype),{constructor:GA,ValueTypeName:"number"}),kA.prototype=Object.assign(Object.create(DA.prototype),{constructor:kA,interpolate_:function(e,t,n,i){for(var r=this.resultBuffer,a=this.sampleValues,o=this.valueSize,s=e*o,l=(n-t)/(i-t),c=s+o;s!==c;s+=4)bb.slerpFlat(r,0,a,s-o,a,s,l);return r}}),VA.prototype=Object.assign(Object.create(FA.prototype),{constructor:VA,ValueTypeName:"quaternion",DefaultInterpolation:2301,InterpolantFactoryMethodLinear:function(e){return new kA(this.times,this.values,this.getValueSize(),e)},InterpolantFactoryMethodSmooth:void 0}),jA.prototype=Object.assign(Object.create(FA.prototype),{constructor:jA,ValueTypeName:"string",ValueBufferType:Array,DefaultInterpolation:2300,InterpolantFactoryMethodLinear:void 0,InterpolantFactoryMethodSmooth:void 0}),WA.prototype=Object.assign(Object.create(FA.prototype),{constructor:WA,ValueTypeName:"vector"}),Object.assign(qA,{parse:function(e){for(var t=[],n=e.tracks,i=1/(e.fps||1),r=0,a=n.length;r!==a;++r)t.push(XA(n[r]).scale(i));return new qA(e.name,e.duration,t,e.blendMode)},toJSON:function(e){for(var t=[],n=e.tracks,i={name:e.name,duration:e.duration,tracks:t,uuid:e.uuid,blendMode:e.blendMode},r=0,a=n.length;r!==a;++r)t.push(FA.toJSON(n[r]));return i},CreateFromMorphTargetSequence:function(e,t,n,i){for(var r=t.length,a=[],o=0;o1){var c=i[u=l[1]];c||(i[u]=c=[]),c.push(s)}}var h=[];for(var u in i)h.push(qA.CreateFromMorphTargetSequence(u,i[u],t,n));return h},parseAnimation:function(e,t){if(!e)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;for(var n=function(e,t,n,i,r){if(0!==n.length){var a=[],o=[];IA.flattenJSON(n,a,o,i),0!==a.length&&r.push(new e(t,a,o))}},i=[],r=e.name||"default",a=e.length||-1,o=e.fps||30,s=e.blendMode,l=e.hierarchy||[],c=0;c0||0===e.search(/^data\:image\/jpeg/);r.format=i?1022:1023,r.needsUpdate=!0,void 0!==t&&t(r)}),n,i),r}}),Object.assign(oL.prototype,{getPoint:function(){return console.warn("THREE.Curve: .getPoint() not implemented."),null},getPointAt:function(e,t){var n=this.getUtoTmapping(e);return this.getPoint(n,t)},getPoints:function(e){void 0===e&&(e=5);for(var t=[],n=0;n<=e;n++)t.push(this.getPoint(n/e));return t},getSpacedPoints:function(e){void 0===e&&(e=5);for(var t=[],n=0;n<=e;n++)t.push(this.getPointAt(n/e));return t},getLength:function(){var e=this.getLengths();return e[e.length-1]},getLengths:function(e){if(void 0===e&&(e=this.arcLengthDivisions),this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;var t,n,i=[],r=this.getPoint(0),a=0;for(i.push(0),n=1;n<=e;n++)a+=(t=this.getPoint(n/e)).distanceTo(r),i.push(a),r=t;return this.cacheArcLengths=i,i},updateArcLengths:function(){this.needsUpdate=!0,this.getLengths()},getUtoTmapping:function(e,t){var n,i=this.getLengths(),r=0,a=i.length;n=t||e*i[a-1];for(var o,s=0,l=a-1;s<=l;)if((o=i[r=Math.floor(s+(l-s)/2)]-n)<0)s=r+1;else{if(!(o>0)){l=r;break}l=r-1}if(i[r=l]===n)return r/(a-1);var c=i[r];return(r+(n-c)/(i[r+1]-c))/(a-1)},getTangent:function(e,t){var n=e-1e-4,i=e+1e-4;n<0&&(n=0),i>1&&(i=1);var r=this.getPoint(n),a=this.getPoint(i),o=t||(r.isVector2?new pb:new Mb);return o.copy(a).sub(r).normalize(),o},getTangentAt:function(e,t){var n=this.getUtoTmapping(e);return this.getTangent(n,t)},computeFrenetFrames:function(e,t){var n,i,r,a=new Mb,o=[],s=[],l=[],c=new Mb,h=new Cb;for(n=0;n<=e;n++)i=n/e,o[n]=this.getTangentAt(i,new Mb),o[n].normalize();s[0]=new Mb,l[0]=new Mb;var u=Number.MAX_VALUE,p=Math.abs(o[0].x),d=Math.abs(o[0].y),f=Math.abs(o[0].z);for(p<=u&&(u=p,a.set(1,0,0)),d<=u&&(u=d,a.set(0,1,0)),f<=u&&a.set(0,0,1),c.crossVectors(o[0],a).normalize(),s[0].crossVectors(o[0],c),l[0].crossVectors(o[0],s[0]),n=1;n<=e;n++)s[n]=s[n-1].clone(),l[n]=l[n-1].clone(),c.crossVectors(o[n-1],o[n]),c.length()>Number.EPSILON&&(c.normalize(),r=Math.acos(ub.clamp(o[n-1].dot(o[n]),-1,1)),s[n].applyMatrix4(h.makeRotationAxis(c,r))),l[n].crossVectors(o[n],s[n]);if(!0===t)for(r=Math.acos(ub.clamp(s[0].dot(s[e]),-1,1)),r/=e,o[0].dot(c.crossVectors(s[0],s[e]))>0&&(r=-r),n=1;n<=e;n++)s[n].applyMatrix4(h.makeRotationAxis(o[n],r*n)),l[n].crossVectors(o[n],s[n]);return{tangents:o,normals:s,binormals:l}},clone:function(){return(new this.constructor).copy(this)},copy:function(e){return this.arcLengthDivisions=e.arcLengthDivisions,this},toJSON:function(){var e={metadata:{version:4.5,type:"Curve",generator:"Curve.toJSON"}};return e.arcLengthDivisions=this.arcLengthDivisions,e.type=this.type,e},fromJSON:function(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}}),sL.prototype=Object.create(oL.prototype),sL.prototype.constructor=sL,sL.prototype.isEllipseCurve=!0,sL.prototype.getPoint=function(e,t){for(var n=t||new pb,i=2*Math.PI,r=this.aEndAngle-this.aStartAngle,a=Math.abs(r)i;)r-=i;r0?0:(Math.floor(Math.abs(h)/l)+1)*l:0===u&&h===l-1&&(h=l-2,u=1),this.closed||h>0?n=s[(h-1)%l]:(hL.subVectors(s[0],s[1]).add(s[0]),n=hL),i=s[h%l],r=s[(h+1)%l],this.closed||h+2i.length-2?i.length-1:a+1],h=i[a>i.length-3?i.length-1:a+2];return n.set(mL(o,s.x,l.x,c.x,h.x),mL(o,s.y,l.y,c.y,h.y)),n},SL.prototype.copy=function(e){oL.prototype.copy.call(this,e),this.points=[];for(var t=0,n=e.points.length;t=t){var r=n[i]-t,a=this.curves[i],o=a.getLength(),s=0===o?0:1-r/o;return a.getPointAt(s)}i++}return null},getLength:function(){var e=this.getCurveLengths();return e[e.length-1]},updateArcLengths:function(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()},getCurveLengths:function(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;for(var e=[],t=0,n=0,i=this.curves.length;n1&&!n[n.length-1].equals(n[0])&&n.push(n[0]),n},copy:function(e){oL.prototype.copy.call(this,e),this.curves=[];for(var t=0,n=e.curves.length;t0){var c=l.getPoint(0);c.equals(this.currentPoint)||this.lineTo(c.x,c.y)}this.curves.push(l);var h=l.getPoint(1);return this.currentPoint.copy(h),this},copy:function(e){return EL.prototype.copy.call(this,e),this.currentPoint.copy(e.currentPoint),this},toJSON:function(){var e=EL.prototype.toJSON.call(this);return e.currentPoint=this.currentPoint.toArray(),e},fromJSON:function(e){return EL.prototype.fromJSON.call(this,e),this.currentPoint.fromArray(e.currentPoint),this}}),LL.prototype=Object.assign(Object.create(AL.prototype),{constructor:LL,getPointsHoles:function(e){for(var t=[],n=0,i=this.holes.length;n0:i.vertexColors=e.vertexColors),void 0!==e.uniforms)for(var r in e.uniforms){var a=e.uniforms[r];switch(i.uniforms[r]={},a.type){case"t":i.uniforms[r].value=n(a.value);break;case"c":i.uniforms[r].value=(new Hw).setHex(a.value);break;case"v2":i.uniforms[r].value=(new pb).fromArray(a.value);break;case"v3":i.uniforms[r].value=(new Mb).fromArray(a.value);break;case"v4":i.uniforms[r].value=(new vb).fromArray(a.value);break;case"m3":i.uniforms[r].value=(new db).fromArray(a.value);case"m4":i.uniforms[r].value=(new Cb).fromArray(a.value);break;default:i.uniforms[r].value=a.value}}if(void 0!==e.defines&&(i.defines=e.defines),void 0!==e.vertexShader&&(i.vertexShader=e.vertexShader),void 0!==e.fragmentShader&&(i.fragmentShader=e.fragmentShader),void 0!==e.extensions)for(var o in e.extensions)i.extensions[o]=e.extensions[o];if(void 0!==e.shading&&(i.flatShading=1===e.shading),void 0!==e.size&&(i.size=e.size),void 0!==e.sizeAttenuation&&(i.sizeAttenuation=e.sizeAttenuation),void 0!==e.map&&(i.map=n(e.map)),void 0!==e.matcap&&(i.matcap=n(e.matcap)),void 0!==e.alphaMap&&(i.alphaMap=n(e.alphaMap)),void 0!==e.bumpMap&&(i.bumpMap=n(e.bumpMap)),void 0!==e.bumpScale&&(i.bumpScale=e.bumpScale),void 0!==e.normalMap&&(i.normalMap=n(e.normalMap)),void 0!==e.normalMapType&&(i.normalMapType=e.normalMapType),void 0!==e.normalScale){var s=e.normalScale;!1===Array.isArray(s)&&(s=[s,s]),i.normalScale=(new pb).fromArray(s)}return void 0!==e.displacementMap&&(i.displacementMap=n(e.displacementMap)),void 0!==e.displacementScale&&(i.displacementScale=e.displacementScale),void 0!==e.displacementBias&&(i.displacementBias=e.displacementBias),void 0!==e.roughnessMap&&(i.roughnessMap=n(e.roughnessMap)),void 0!==e.metalnessMap&&(i.metalnessMap=n(e.metalnessMap)),void 0!==e.emissiveMap&&(i.emissiveMap=n(e.emissiveMap)),void 0!==e.emissiveIntensity&&(i.emissiveIntensity=e.emissiveIntensity),void 0!==e.specularMap&&(i.specularMap=n(e.specularMap)),void 0!==e.envMap&&(i.envMap=n(e.envMap)),void 0!==e.envMapIntensity&&(i.envMapIntensity=e.envMapIntensity),void 0!==e.reflectivity&&(i.reflectivity=e.reflectivity),void 0!==e.refractionRatio&&(i.refractionRatio=e.refractionRatio),void 0!==e.lightMap&&(i.lightMap=n(e.lightMap)),void 0!==e.lightMapIntensity&&(i.lightMapIntensity=e.lightMapIntensity),void 0!==e.aoMap&&(i.aoMap=n(e.aoMap)),void 0!==e.aoMapIntensity&&(i.aoMapIntensity=e.aoMapIntensity),void 0!==e.gradientMap&&(i.gradientMap=n(e.gradientMap)),void 0!==e.clearcoatMap&&(i.clearcoatMap=n(e.clearcoatMap)),void 0!==e.clearcoatRoughnessMap&&(i.clearcoatRoughnessMap=n(e.clearcoatRoughnessMap)),void 0!==e.clearcoatNormalMap&&(i.clearcoatNormalMap=n(e.clearcoatNormalMap)),void 0!==e.clearcoatNormalScale&&(i.clearcoatNormalScale=(new pb).fromArray(e.clearcoatNormalScale)),i},setTextures:function(e){return this.textures=e,this}});var jL=function(e){var t=e.lastIndexOf("/");return-1===t?"./":e.substr(0,t+1)};function WL(){f_.call(this),this.type="InstancedBufferGeometry",this.instanceCount=1/0}function qL(e,t,n,i){"number"==typeof n&&(i=n,n=!1,console.error("THREE.InstancedBufferAttribute: The constructor now expects normalized as the third argument.")),Jw.call(this,e,t,n),this.meshPerAttribute=i||1}function XL(e){KA.call(this,e)}WL.prototype=Object.assign(Object.create(f_.prototype),{constructor:WL,isInstancedBufferGeometry:!0,copy:function(e){return f_.prototype.copy.call(this,e),this.instanceCount=e.instanceCount,this},clone:function(){return(new this.constructor).copy(this)},toJSON:function(){var e=f_.prototype.toJSON.call(this);return e.instanceCount=this.instanceCount,e.isInstancedBufferGeometry=!0,e}}),qL.prototype=Object.assign(Object.create(Jw.prototype),{constructor:qL,isInstancedBufferAttribute:!0,copy:function(e){return Jw.prototype.copy.call(this,e),this.meshPerAttribute=e.meshPerAttribute,this},toJSON:function(){var e=Jw.prototype.toJSON.call(this);return e.meshPerAttribute=this.meshPerAttribute,e.isInstancedBufferAttribute=!0,e}}),XL.prototype=Object.assign(Object.create(KA.prototype),{constructor:XL,load:function(e,t,n,i){var r=this,a=new $A(r.manager);a.setPath(r.path),a.load(e,(function(n){try{t(r.parse(JSON.parse(n)))}catch(t){i?i(t):console.error(t),r.manager.itemError(e)}}),n,i)},parse:function(e){var t=e.isInstancedBufferGeometry?new WL:new f_,n=e.data.index;if(void 0!==n){var i=new YL[n.type](n.array);t.setIndex(new Jw(i,1))}var r=e.data.attributes;for(var a in r){var o=r[a],s=(i=new YL[o.type](o.array),new(o.isInstancedBufferAttribute?qL:Jw)(i,o.itemSize,o.normalized));void 0!==o.name&&(s.name=o.name),t.setAttribute(a,s)}var l=e.data.morphAttributes;if(l)for(var a in l){for(var c=l[a],h=[],u=0,p=c.length;u0){var a=new iL(new JA(t));a.setCrossOrigin(this.crossOrigin);for(var o=0,s=e.length;oNumber.EPSILON){if(c<0&&(o=t[a],l=-l,s=t[r],c=-c),e.ys.y)continue;if(e.y===o.y){if(e.x===o.x)return!0}else{var h=c*(e.x-o.x)-l*(e.y-o.y);if(0===h)return!0;if(h<0)continue;i=!i}}else{if(e.y!==o.y)continue;if(s.x<=e.x&&e.x<=o.x||o.x<=e.x&&e.x<=s.x)return!0}}return i}var r=ZE.isClockWise,a=this.subPaths;if(0===a.length)return[];if(!0===t)return n(a);var o,s,l,c=[];if(1===a.length)return s=a[0],(l=new LL).curves=s.curves,c.push(l),c;var h=!r(a[0].getPoints());h=e?!h:h;var u,p,d=[],f=[],m=[],g=0;f[g]=void 0,m[g]=[];for(var v=0,y=a.length;v1){for(var x=!1,b=[],w=0,_=f.length;w<_;w++)d[w]=[];for(w=0,_=f.length;w<_;w++)for(var M=m[w],S=0;S0&&(x||(m=d))}v=0;for(var L=f.length;v0){this.source.connect(this.filters[0]);for(var e=1,t=this.filters.length;e0){this.source.disconnect(this.filters[0]);for(var e=1,t=this.filters.length;e0&&this._mixBufferRegionAdditive(n,i,this._addIndex*t,1,t);for(var l=t,c=t+t;l!==c;++l)if(n[l]!==n[l+t]){o.setValue(n,i);break}},saveOriginalState:function(){var e=this.binding,t=this.buffer,n=this.valueSize,i=n*this._origIndex;e.getValue(t,i);for(var r=n,a=i;r!==a;++r)t[r]=t[i+r%n];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0},restoreOriginalState:function(){var e=3*this.valueSize;this.binding.setValue(this.buffer,e)},_setAdditiveIdentityNumeric:function(){for(var e=this._addIndex*this.valueSize,t=e+this.valueSize,n=e;n=.5)for(var a=0;a!==r;++a)e[t+a]=e[n+a]},_slerp:function(e,t,n,i){bb.slerpFlat(e,t,e,t,e,n,i)},_slerpAdditive:function(e,t,n,i,r){var a=this._workIndex*r;bb.multiplyQuaternionsFlat(e,a,e,t,e,n),bb.slerpFlat(e,t,e,t,e,a,i)},_lerp:function(e,t,n,i,r){for(var a=1-i,o=0;o!==r;++o){var s=t+o;e[s]=e[s]*a+e[n+o]*i}},_lerpAdditive:function(e,t,n,i,r){for(var a=0;a!==r;++a){var o=t+a;e[o]=e[o]+e[n+a]*i}}});var TR=new RegExp("[\\[\\]\\.:\\/]","g"),ER="[^"+"\\[\\]\\.:\\/".replace("\\.","")+"]",AR=/((?:WC+[\/:])*)/.source.replace("WC","[^\\[\\]\\.:\\/]"),LR=/(WCOD+)?/.source.replace("WCOD",ER),RR=/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC","[^\\[\\]\\.:\\/]"),PR=/\.(WC+)(?:\[(.+)\])?/.source.replace("WC","[^\\[\\]\\.:\\/]"),CR=new RegExp("^"+AR+LR+RR+PR+"$"),OR=["material","materials","bones"];function IR(e,t,n){var i=n||DR.parseTrackName(t);this._targetGroup=e,this._bindings=e.subscribe_(t,i)}function DR(e,t,n){this.path=t,this.parsedPath=n||DR.parseTrackName(t),this.node=DR.findNode(e,this.parsedPath.nodeName)||e,this.rootNode=e}function NR(e,t,n,i){this._mixer=e,this._clip=t,this._localRoot=n||null,this.blendMode=i||t.blendMode;for(var r=t.tracks,a=r.length,o=new Array(a),s={endingStart:2400,endingEnd:2400},l=0;l!==a;++l){var c=r[l].createInterpolant(null);o[l]=c,c.settings=s}this._interpolantSettings=s,this._interpolants=o,this._propertyBindings=new Array(a),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=2201,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}function zR(e){this._root=e,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}function UR(e){"string"==typeof e&&(console.warn("THREE.Uniform: Type parameter is no longer needed."),e=arguments[1]),this.value=e}function FR(e,t,n){oT.call(this,e,t),this.meshPerAttribute=n||1}function BR(e,t,n,i){this.ray=new ww(e,t),this.near=n||0,this.far=i||1/0,this.camera=null,this.layers=new Nb,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}},Object.defineProperties(this.params,{PointCloud:{get:function(){return console.warn("THREE.Raycaster: params.PointCloud has been renamed to params.Points."),this.Points}}})}function HR(e,t){return e.distance-t.distance}function GR(e,t,n,i){if(e.layers.test(t.layers)&&e.raycast(t,n),!0===i)for(var r=e.children,a=0,o=r.length;a=t){var h=t++,u=e[h];n[u.uuid]=c,e[c]=u,n[l]=h,e[h]=s;for(var p=0,d=r;p!==d;++p){var f=i[p],m=f[h],g=f[c];f[c]=m,f[h]=g}}}this.nCachedObjects_=t},uncache:function(){for(var e=this._objects,t=e.length,n=this.nCachedObjects_,i=this._indicesByUUID,r=this._bindings,a=r.length,o=0,s=arguments.length;o!==s;++o){var l=arguments[o],c=l.uuid,h=i[c];if(void 0!==h)if(delete i[c],h0){var l=this._interpolants,c=this._propertyBindings;switch(this.blendMode){case 2501:for(var h=0,u=l.length;h!==u;++h)l[h].evaluate(o),c[h].accumulateAdditive(s);break;case 2500:default:for(h=0,u=l.length;h!==u;++h)l[h].evaluate(o),c[h].accumulate(i,s)}}}else this._updateWeight(e)},_updateWeight:function(e){var t=0;if(this.enabled){t=this.weight;var n=this._weightInterpolant;if(null!==n){var i=n.evaluate(e)[0];t*=i,e>n.parameterPositions[1]&&(this.stopFading(),0===i&&(this.enabled=!1))}}return this._effectiveWeight=t,t},_updateTimeScale:function(e){var t=0;if(!this.paused){t=this.timeScale;var n=this._timeScaleInterpolant;if(null!==n)t*=n.evaluate(e)[0],e>n.parameterPositions[1]&&(this.stopWarping(),0===t?this.paused=!0:this.timeScale=t)}return this._effectiveTimeScale=t,t},_updateTime:function(e){var t=this.time+e,n=this._clip.duration,i=this.loop,r=this._loopCount,a=2202===i;if(0===e)return-1===r?t:a&&1==(1&r)?n-t:t;if(2200===i){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));e:{if(t>=n)t=n;else{if(!(t<0)){this.time=t;break e}t=0}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=t,this._mixer.dispatchEvent({type:"finished",action:this,direction:e<0?-1:1})}}else{if(-1===r&&(e>=0?(r=0,this._setEndings(!0,0===this.repetitions,a)):this._setEndings(0===this.repetitions,!0,a)),t>=n||t<0){var o=Math.floor(t/n);t-=n*o,r+=Math.abs(o);var s=this.repetitions-r;if(s<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,t=e>0?n:0,this.time=t,this._mixer.dispatchEvent({type:"finished",action:this,direction:e>0?1:-1});else{if(1===s){var l=e<0;this._setEndings(l,!l,a)}else this._setEndings(!1,!1,a);this._loopCount=r,this.time=t,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:o})}}else this.time=t;if(a&&1==(1&r))return n-t}return t},_setEndings:function(e,t,n){var i=this._interpolantSettings;n?(i.endingStart=2401,i.endingEnd=2401):(i.endingStart=e?this.zeroSlopeAtStart?2401:2400:2402,i.endingEnd=t?this.zeroSlopeAtEnd?2401:2400:2402)},_scheduleFading:function(e,t,n){var i=this._mixer,r=i.time,a=this._weightInterpolant;null===a&&(a=i._lendControlInterpolant(),this._weightInterpolant=a);var o=a.parameterPositions,s=a.sampleValues;return o[0]=r,s[0]=t,o[1]=r+e,s[1]=n,this}}),zR.prototype=Object.assign(Object.create(sb.prototype),{constructor:zR,_bindAction:function(e,t){var n=e._localRoot||this._root,i=e._clip.tracks,r=i.length,a=e._propertyBindings,o=e._interpolants,s=n.uuid,l=this._bindingsByRootAndName,c=l[s];void 0===c&&(c={},l[s]=c);for(var h=0;h!==r;++h){var u=i[h],p=u.name,d=c[p];if(void 0!==d)a[h]=d;else{if(void 0!==(d=a[h])){null===d._cacheIndex&&(++d.referenceCount,this._addInactiveBinding(d,s,p));continue}var f=t&&t._propertyBindings[h].binding.parsedPath;++(d=new SR(DR.create(n,p,f),u.ValueTypeName,u.getValueSize())).referenceCount,this._addInactiveBinding(d,s,p),a[h]=d}o[h].resultBuffer=d.buffer}},_activateAction:function(e){if(!this._isActiveAction(e)){if(null===e._cacheIndex){var t=(e._localRoot||this._root).uuid,n=e._clip.uuid,i=this._actionsByClip[n];this._bindAction(e,i&&i.knownActions[0]),this._addInactiveAction(e,n,t)}for(var r=e._propertyBindings,a=0,o=r.length;a!==o;++a){var s=r[a];0==s.useCount++&&(this._lendBinding(s),s.saveOriginalState())}this._lendAction(e)}},_deactivateAction:function(e){if(this._isActiveAction(e)){for(var t=e._propertyBindings,n=0,i=t.length;n!==i;++n){var r=t[n];0==--r.useCount&&(r.restoreOriginalState(),this._takeBackBinding(r))}this._takeBackAction(e)}},_initMemoryManager:function(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;var e=this;this.stats={actions:{get total(){return e._actions.length},get inUse(){return e._nActiveActions}},bindings:{get total(){return e._bindings.length},get inUse(){return e._nActiveBindings}},controlInterpolants:{get total(){return e._controlInterpolants.length},get inUse(){return e._nActiveControlInterpolants}}}},_isActiveAction:function(e){var t=e._cacheIndex;return null!==t&&t=0;--t)e[t].stop();return this},update:function(e){e*=this.timeScale;for(var t=this._actions,n=this._nActiveActions,i=this.time+=e,r=Math.sign(e),a=this._accuIndex^=1,o=0;o!==n;++o){t[o]._update(i,e,r,a)}var s=this._bindings,l=this._nActiveBindings;for(o=0;o!==l;++o)s[o].apply(a);return this},setTime:function(e){this.time=0;for(var t=0;tthis.max.x||e.ythis.max.y)},containsBox:function(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y},getParameter:function(e,t){return void 0===t&&(console.warn("THREE.Box2: .getParameter() target is now required"),t=new pb),t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y))},intersectsBox:function(e){return!(e.max.xthis.max.x||e.max.ythis.max.y)},clampPoint:function(e,t){return void 0===t&&(console.warn("THREE.Box2: .clampPoint() target is now required"),t=new pb),t.copy(e).clamp(this.min,this.max)},distanceToPoint:function(e){return kR.copy(e).clamp(this.min,this.max).sub(e).length()},intersect:function(e){return this.min.max(e.min),this.max.min(e.max),this},union:function(e){return this.min.min(e.min),this.max.max(e.max),this},translate:function(e){return this.min.add(e),this.max.add(e),this},equals:function(e){return e.min.equals(this.min)&&e.max.equals(this.max)}});var jR=new Mb,WR=new Mb;function qR(e,t){this.start=void 0!==e?e:new Mb,this.end=void 0!==t?t:new Mb}function XR(e){Jb.call(this),this.material=e,this.render=function(){},this.hasPositions=!1,this.hasNormals=!1,this.hasColors=!1,this.hasUvs=!1,this.positionArray=null,this.normalArray=null,this.colorArray=null,this.uvArray=null,this.count=0}Object.assign(qR.prototype,{set:function(e,t){return this.start.copy(e),this.end.copy(t),this},clone:function(){return(new this.constructor).copy(this)},copy:function(e){return this.start.copy(e.start),this.end.copy(e.end),this},getCenter:function(e){return void 0===e&&(console.warn("THREE.Line3: .getCenter() target is now required"),e=new Mb),e.addVectors(this.start,this.end).multiplyScalar(.5)},delta:function(e){return void 0===e&&(console.warn("THREE.Line3: .delta() target is now required"),e=new Mb),e.subVectors(this.end,this.start)},distanceSq:function(){return this.start.distanceToSquared(this.end)},distance:function(){return this.start.distanceTo(this.end)},at:function(e,t){return void 0===t&&(console.warn("THREE.Line3: .at() target is now required"),t=new Mb),this.delta(t).multiplyScalar(e).add(this.start)},closestPointToPointParameter:function(e,t){jR.subVectors(e,this.start),WR.subVectors(this.end,this.start);var n=WR.dot(WR),i=WR.dot(jR)/n;return t&&(i=ub.clamp(i,0,1)),i},closestPointToPoint:function(e,t,n){var i=this.closestPointToPointParameter(e,t);return void 0===n&&(console.warn("THREE.Line3: .closestPointToPoint() target is now required"),n=new Mb),this.delta(n).multiplyScalar(i).add(this.start)},applyMatrix4:function(e){return this.start.applyMatrix4(e),this.end.applyMatrix4(e),this},equals:function(e){return e.start.equals(this.start)&&e.end.equals(this.end)}}),XR.prototype=Object.create(Jb.prototype),XR.prototype.constructor=XR,XR.prototype.isImmediateRenderObject=!0;var YR=new Mb;function JR(e,t){Jb.call(this),this.light=e,this.light.updateMatrixWorld(),this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.color=t;for(var n=new f_,i=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1],r=0,a=1;r<32;r++,a++){var o=r/32*Math.PI*2,s=a/32*Math.PI*2;i.push(Math.cos(o),Math.sin(o),1,Math.cos(s),Math.sin(s),1)}n.setAttribute("position",new i_(i,3));var l=new FT({fog:!1,toneMapped:!1});this.cone=new XT(n,l),this.add(this.cone),this.update()}JR.prototype=Object.create(Jb.prototype),JR.prototype.constructor=JR,JR.prototype.dispose=function(){this.cone.geometry.dispose(),this.cone.material.dispose()},JR.prototype.update=function(){this.light.updateMatrixWorld();var e=this.light.distance?this.light.distance:1e3,t=e*Math.tan(this.light.angle);this.cone.scale.set(t,t,e),YR.setFromMatrixPosition(this.light.target.matrixWorld),this.cone.lookAt(YR),void 0!==this.color?this.cone.material.color.set(this.color):this.cone.material.color.copy(this.light.color)};var ZR=new Mb,KR=new Cb,QR=new Cb;function $R(e){for(var t=function e(t){var n=[];t&&t.isBone&&n.push(t);for(var i=0;i.99999)this.quaternion.set(0,0,0,1);else if(e.y<-.99999)this.quaternion.set(1,0,0,0);else{wP.set(e.z,0,-e.x).normalize();var t=Math.acos(e.y);this.quaternion.setFromAxisAngle(wP,t)}},_P.prototype.setLength=function(e,t,n){void 0===t&&(t=.2*e),void 0===n&&(n=.2*t),this.line.scale.set(1,Math.max(1e-4,e-t),1),this.line.updateMatrix(),this.cone.scale.set(n,t,n),this.cone.position.y=e,this.cone.updateMatrix()},_P.prototype.setColor=function(e){this.line.material.color.set(e),this.cone.material.color.set(e)},_P.prototype.copy=function(e){return Jb.prototype.copy.call(this,e,!1),this.line.copy(e.line),this.cone.copy(e.cone),this},_P.prototype.clone=function(){return(new this.constructor).copy(this)},MP.prototype=Object.create(XT.prototype),MP.prototype.constructor=MP;var SP,TP=[.125,.215,.35,.446,.526,.582],EP=5+TP.length,{_lodPlanes:AP,_sizeLods:LP,_sigmas:RP}=(new zL,function(){for(var e=[],t=[],n=[],i=8,r=0;r4?o=TP[r-8+4-1]:0==r&&(o=0),n.push(o);for(var s=1/(a-1),l=-s/2,c=1+s/2,h=[l,l,c,l,c,c,l,l,c,c,l,c],u=new Float32Array(108),p=new Float32Array(72),d=new Float32Array(36),f=0;f<6;f++){var m=f%3*2/3-1,g=f>2?0:-1,v=[m,g,0,m+2/3,g,0,m+2/3,g+1,0,m,g,0,m+2/3,g+1,0,m,g+1,0];u.set(v,18*f),p.set(h,12*f);var y=[f,f,f,f,f,f];d.set(y,6*f)}var x=new f_;x.setAttribute("position",new Jw(u,3)),x.setAttribute("uv",new Jw(p,2)),x.setAttribute("faceIndex",new Jw(d,1)),e.push(x),i>4&&i--}return{_lodPlanes:e,_sizeLods:t,_sigmas:n}}());function PP(e){console.warn("THREE.Spline has been removed. Use THREE.CatmullRomCurve3 instead."),fL.call(this,e),this.type="catmullrom"}oL.create=function(e,t){return console.log("THREE.Curve.create() has been deprecated"),e.prototype=Object.create(oL.prototype),e.prototype.constructor=e,e.prototype.getPoint=t,e},Object.assign(EL.prototype,{createPointsGeometry:function(e){console.warn("THREE.CurvePath: .createPointsGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.");var t=this.getPoints(e);return this.createGeometry(t)},createSpacedPointsGeometry:function(e){console.warn("THREE.CurvePath: .createSpacedPointsGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.");var t=this.getSpacedPoints(e);return this.createGeometry(t)},createGeometry:function(e){console.warn("THREE.CurvePath: .createGeometry() has been removed. Use new THREE.Geometry().setFromPoints( points ) instead.");for(var t=new B_,n=0,i=e.length;n{UP.load(t,e,void 0,n)}));for(const e of this[FP])null==n&&null!=this.sourceObject.bufferView?e.image=this[BP].get(e):e.image=n,e.needsUpdate=!0}toJSON(){const e=super.toJSON(),{uri:t}=this.sourceObject;return null!=t&&(e.uri=t),e}}zP=BP; /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ const GP=(()=>{const e=[9728,9729,9984,9985,9986,9987];return t=>e.indexOf(t)>-1})(),kP=(()=>{const e=[9728,9729];return t=>e.indexOf(t)>-1})(),VP=(()=>{const e=[33071,33648,10497];return t=>e.indexOf(t)>-1})(),jP={minFilter:9987,magFilter:9729,wrapS:10497,wrapT:10497},WP=Symbol("threeTextures");class qP extends NP{get[WP](){return this[CP]}constructor(e,t,n){super(e,t,n)}async mutate(e,t){const n=this.sourceObject;if(null!=t){if(((e,t)=>{switch(e){case"minFilter":return GP(t);case"magFilter":return kP(t);case"wrapS":case"wrapT":return VP(t);default:throw new Error(`Cannot configure property "${e}" on Sampler`)}})(e,t)){n[e]=t;for(const n of this[WP])n[e]=t,n.needsUpdate=!0}}else if(e in n){delete n[e];for(const t of this[WP])t[e]=jP[e],t.needsUpdate=!0}}toJSON(){const e=super.toJSON(),{minFilter:t,magFilter:n,wrapS:i,wrapT:r}=this.sourceObject;return null!=t&&(e.minFilter=t),null!=n&&(e.magFilter=n),10497!==i&&(e.wrapS=i),10497!==r&&(e.wrapT=r),e}} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */var XP,YP;const JP=Symbol("source"),ZP=Symbol("sampler");class KP extends NP{constructor(e,t,n){super(e,t,n),this[XP]=null,this[YP]=null;const i=e.correlatedSceneGraph.gltf,{sampler:r,source:a}=t;if(null!=r){const t=i.samplers&&i.samplers[r];null!=t&&(this[ZP]=new qP(e,t,n))}if(null!=a){const t=i.images&&i.images[a];null!=t&&(this[JP]=new HP(e,t,n))}}get sampler(){return this[ZP]}get source(){return this[JP]}toJSON(){const e=super.toJSON(),{sampler:t,source:n}=this;return null!=t&&(e.sampler=t.toJSON()),null!=n&&(e.source=n.toJSON()),e}} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var QP;XP=JP,YP=ZP;const $P=Symbol("texture");class eC extends NP{constructor(e,t,n){super(e,t,n),this[QP]=null;const i=e.correlatedSceneGraph.gltf,{index:r}=t,a=null!=r&&null!=i.textures?i.textures[r]:null;null!=a&&(this[$P]=new KP(e,a,n))}get texture(){return this[$P]}toJSON(){const e=super.toJSON(),{texture:t}=this;return null!=t&&(e.texture=t.toJSON()),e}} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var tC,nC;QP=$P;const iC=Symbol("threeMaterials"),rC=Symbol("baseColorTexture"),aC=Symbol("metallicRoughnessTexture");class oC extends NP{constructor(e,t,n){super(e,t,n),this[tC]=null,this[nC]=null;const{baseColorTexture:i,metallicRoughnessTexture:r}=t,a=new Set,o=new Set;for(const e of n)null!=i&&null!=e.map&&a.add(e.map),null!=r&&null!=e.metalnessMap&&o.add(e.metalnessMap);a.size>0&&(this[rC]=new eC(e,i,a)),o.size>0&&(this[aC]=new eC(e,r,o))}get[(tC=rC,nC=aC,iC)](){return this[CP]}get baseColorFactor(){return this.sourceObject.baseColorFactor||[1,1,1,1]}get metallicFactor(){return this.sourceObject.metallicFactor||0}get roughnessFactor(){return this.sourceObject.roughnessFactor||0}get baseColorTexture(){return this[rC]}get metallicRoughnessTexture(){return this[aC]}async mutate(e,t){if(!["baseColorFactor","metallicFactor","roughnessFactor"].includes(e))throw new Error(`Cannot mutate ${e} on PBRMetallicRoughness`);switch(e){case"baseColorFactor":for(const e of this[iC]){e.color.fromArray(t),e.opacity=t[3];const n=this[OP];1===t&&1===t&&1===t&&1===t?delete n.baseColorFactor:n.baseColorFactor=t}break;case"metallicFactor":for(const e of this[iC]){e.metalness=t;this[OP].metallicFactor=t}break;case"roughnessFactor":for(const e of this[iC]){e.roughness=t;this[OP].roughnessFactor=t}}}toJSON(){const e=super.toJSON(),{baseColorTexture:t,metallicRoughnessTexture:n,baseColorFactor:i,roughnessFactor:r,metallicFactor:a}=this;return null!=t&&(e.baseColorTexture=t.toJSON()),null!=i&&(e.baseColorFactor=i),null!=a&&(e.metallicFactor=a),null!=r&&(e.roughnessFactor=r),null!=n&&(e.metallicRoughnessTexture=n.toJSON()),e}} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */var sC,lC,cC,hC;const uC=Symbol("pbrMetallicRoughness"),pC=Symbol("normalTexture"),dC=Symbol("occlusionTexture"),fC=Symbol("emissiveTexture");class mC extends NP{constructor(e,t,n){super(e,t,n),this[sC]=null,this[lC]=null,this[cC]=null,this[hC]=null;const{pbrMetallicRoughness:i,normalTexture:r,occlusionTexture:a,emissiveTexture:o}=t;null!=i&&(this[uC]=new oC(e,i,n));const s=new Set,l=new Set,c=new Set;for(const e of n){const{normalMap:t,aoMap:n,emissiveMap:i}=e;null!=r&&null!=t&&s.add(t),null!=a&&null!=n&&l.add(n),null!=o&&null!=i&&c.add(i)}s.size>0&&(this[pC]=new eC(e,r,s)),l.size>0&&(this[dC]=new eC(e,a,l)),c.size>0&&(this[fC]=new eC(e,o,c))}get pbrMetallicRoughness(){return this[uC]}get normalTexture(){return this[pC]}get occlusionTexture(){return this[dC]}get emissiveTexture(){return this[fC]}toJSON(){const e=super.toJSON(),{pbrMetallicRoughness:t,normalTexture:n,occlusionTexture:i,emissiveTexture:r}=this;return null!=t&&(e.pbrMetallicRoughness=t.toJSON()),null!=n&&(e.normalTexture=n.toJSON()),null!=i&&(e.occlusionTexture=i.toJSON()),null!=r&&(e.emissiveTexture=r.toJSON()),e}} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var gC,vC;sC=uC,lC=pC,cC=dC,hC=fC;const yC=Symbol("modelUri"),xC=Symbol("materials");class bC extends NP{constructor(e,t,n){super(e,n.gltf),this[gC]="",this[vC]=[],this[yC]=t;new ob({material:t=>{this[xC].push(new mC(e,t,n.gltfElementMap.get(t)))}}).visit(n.gltf,{sparse:!0})}get materials(){return this[xC]}toJSON(){const e=super.toJSON();return e.modelUri=this[yC],e.materials=this[xC].map(e=>e.toJSON()),e}} /* @license * Copyright 2020 Google LLC. All Rights Reserved. * Licensed under the Apache License, Version 2.0 (the 'License'); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an 'AS IS' BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ var wC;gC=yC,vC=xC;const _C=Symbol("model"),MC=Symbol("correlatedSceneGraph"),SC=Symbol("elementsByInternalId");class TC extends EventTarget{constructor(e,t){super(),this[wC]=new Map,this[MC]=t,this[_C]=new bC(this,e,t)}get correlatedSceneGraph(){return this[MC]}get model(){return this[_C]}getElementByInternalId(e){const t=this[SC].get(e);return null==t?null:t}adopt(e){this[SC].set(e.internalID,e)}async mutate(e,t,n){const i=this.getElementByInternalId(e);null!=i&&(await i.mutate(t,n),this.dispatchEvent(new CustomEvent("mutation",{detail:{element:i}})))}}wC=SC;var EC=0,AC=1,LC=2,RC=3,PC=4,CC=5121,OC=5123,IC=5126,DC=5125,NC=34962,zC=34963,UC=9728,FC=9729,BC=9984,HC=9985,GC=9986,kC=9987,VC=33071,jC=33648,WC=10497,qC={};qC[1003]=UC,qC[1004]=BC,qC[1005]=GC,qC[1006]=FC,qC[1007]=HC,qC[1008]=kC,qC[1001]=VC,qC[1e3]=WC,qC[1002]=jC;var XC={scale:"scale",position:"translation",quaternion:"rotation",morphTargetInfluences:"weights"},YC=function(){};YC.prototype={constructor:YC,parse:function(e,t,n){var i={binary:!1,trs:!1,onlyVisible:!0,truncateDrawRange:!0,embedImages:!0,maxTextureSize:1/0,animations:[],forcePowerOfTwoTextures:!1,includeCustomExtensions:!1};(n=Object.assign({},i,n)).animations.length>0&&(n.trs=!0);var r,a={asset:{version:"2.0",generator:"GLTFExporter"}},o=0,s=[],l=[],c=new Map,h=[],u={},p={meshes:new Map,attributes:new Map,attributesNormalized:new Map,materials:new Map,textures:new Map,images:new Map},d=new Map,f=0;function m(e){return d.has(e)||d.set(e,f++),d.get(e)}function g(e,t){return e.length===t.length&&e.every((function(e,n){return e===t[n]}))}function v(e){return 4*Math.ceil(e/4)}function y(e,t){t=t||0;var n=v(e.byteLength);if(n!==e.byteLength){var i=new Uint8Array(n);if(i.set(new Uint8Array(e)),0!==t)for(var r=e.byteLength;r0&&(t.extras=i)}catch(t){console.warn("THREE.GLTFExporter: userData of '"+e.name+"' won't be serialized because of JSON.stringify error - "+t.message)}}function b(e,t){var n=!1,i={};0===t.offset.x&&0===t.offset.y||(i.offset=t.offset.toArray(),n=!0),0!==t.rotation&&(i.rotation=t.rotation,n=!0),1===t.repeat.x&&1===t.repeat.y||(i.scale=t.repeat.toArray(),n=!0),n&&(e.extensions=e.extensions||{},e.extensions.KHR_texture_transform=i,u.KHR_texture_transform=!0)}function w(e){return a.buffers||(a.buffers=[{byteLength:0}]),s.push(e),0}function M(e,t,i,r){var s;if(e.array.constructor===Float32Array)s=IC;else if(e.array.constructor===Uint32Array)s=DC;else if(e.array.constructor===Uint16Array)s=OC;else{if(e.array.constructor!==Uint8Array)throw new Error("THREE.GLTFExporter: Unsupported bufferAttribute component type.");s=CC}if(void 0===i&&(i=0),void 0===r&&(r=e.count),n.truncateDrawRange&&void 0!==t&&null===t.index){var l=i+r,c=t.drawRange.count===1/0?e.count:t.drawRange.start+t.drawRange.count;i=Math.max(i,t.drawRange.start),(r=Math.min(l,c)-i)<0&&(r=0)}if(0===r)return null;var h,u=function(e,t,n){for(var i={min:new Array(e.itemSize).fill(Number.POSITIVE_INFINITY),max:new Array(e.itemSize).fill(Number.NEGATIVE_INFINITY)},r=t;r4?d=e.array[u*e.itemSize+p]:0===p?d=e.getX(u):1===p?d=e.getY(u):2===p?d=e.getZ(u):3===p&&(d=e.getW(u)),t===IC?c.setFloat32(h,d,!0):t===DC?c.setUint32(h,d,!0):t===OC?c.setUint16(h,d,!0):t===CC&&c.setUint8(h,d),h+=s}var f={buffer:w(c.buffer),byteOffset:o,byteLength:l};return void 0!==r&&(f.target=r),r===NC&&(f.byteStride=e.itemSize*s),o+=l,a.bufferViews.push(f),{id:a.bufferViews.length-1,byteLength:0}}(e,s,i,r,h),d={bufferView:p.id,byteOffset:p.byteOffset,componentType:s,count:r,max:u.max,min:u.min,type:{1:"SCALAR",2:"VEC2",3:"VEC3",4:"VEC4",16:"MAT4"}[e.itemSize]};return!0===e.normalized&&(d.normalized=!0),a.accessors||(a.accessors=[]),a.accessors.push(d),a.accessors.length-1}function S(e,t,i){p.images.has(e)||p.images.set(e,{});var s=p.images.get(e),c=1023===t?"image/png":"image/jpeg",h=c+":flipY/"+i.toString();if(void 0!==s[h])return s[h];a.images||(a.images=[]);var u={mimeType:c};if(n.embedImages){var d=r=r||document.createElement("canvas");d.width=Math.min(e.width,n.maxTextureSize),d.height=Math.min(e.height,n.maxTextureSize),n.forcePowerOfTwoTextures&&!function(e){return _.isPowerOfTwo(e.width)&&_.isPowerOfTwo(e.height)}(d)&&(console.warn("GLTFExporter: Resized non-power-of-two image.",e),d.width=_.floorPowerOfTwo(d.width),d.height=_.floorPowerOfTwo(d.height));var f=d.getContext("2d");!0===i&&(f.translate(0,d.height),f.scale(1,-1)),f.drawImage(e,0,0,d.width,d.height),!0===n.binary?l.push(new Promise((function(e){d.toBlob((function(t){(function(e){return a.bufferViews||(a.bufferViews=[]),new Promise((function(t){var n=new window.FileReader;n.readAsArrayBuffer(e),n.onloadend=function(){var e=y(n.result),i={buffer:w(e),byteOffset:o,byteLength:e.byteLength};o+=e.byteLength,a.bufferViews.push(i),t(a.bufferViews.length-1)}}))})(t).then((function(t){u.bufferView=t,e()}))}),c)}))):u.uri=d.toDataURL(c)}else u.uri=e.src;a.images.push(u);var m=a.images.length-1;return s[h]=m,m}function T(e){a.samplers||(a.samplers=[]);var t={magFilter:qC[e.magFilter],minFilter:qC[e.minFilter],wrapS:qC[e.wrapS],wrapT:qC[e.wrapT]};return a.samplers.push(t),a.samplers.length-1}function E(e){if(p.textures.has(e))return p.textures.get(e);a.textures||(a.textures=[]);var t={sampler:T(e),source:S(e.image,e.format,e.flipY)};e.name&&(t.name=e.name),a.textures.push(t);var n=a.textures.length-1;return p.textures.set(e,n),n}function A(e){if(p.materials.has(e))return p.materials.get(e);if(e.isShaderMaterial)return console.warn("GLTFExporter: THREE.ShaderMaterial not supported."),null;a.materials||(a.materials=[]);var t={pbrMetallicRoughness:{}};e.isMeshBasicMaterial?(t.extensions={KHR_materials_unlit:{}},u.KHR_materials_unlit=!0):e.isGLTFSpecularGlossinessMaterial?(t.extensions={KHR_materials_pbrSpecularGlossiness:{}},u.KHR_materials_pbrSpecularGlossiness=!0):e.isMeshStandardMaterial||console.warn("GLTFExporter: Use MeshStandardMaterial or MeshBasicMaterial for best results.");var n=e.color.toArray().concat([e.opacity]);if(g(n,[1,1,1,1])||(t.pbrMetallicRoughness.baseColorFactor=n),e.isMeshStandardMaterial?(t.pbrMetallicRoughness.metallicFactor=e.metalness,t.pbrMetallicRoughness.roughnessFactor=e.roughness):e.isMeshBasicMaterial?(t.pbrMetallicRoughness.metallicFactor=0,t.pbrMetallicRoughness.roughnessFactor=.9):(t.pbrMetallicRoughness.metallicFactor=.5,t.pbrMetallicRoughness.roughnessFactor=.5),e.isGLTFSpecularGlossinessMaterial){t.pbrMetallicRoughness.baseColorFactor&&(t.extensions.KHR_materials_pbrSpecularGlossiness.diffuseFactor=t.pbrMetallicRoughness.baseColorFactor);var i=[1,1,1];e.specular.toArray(i,0),t.extensions.KHR_materials_pbrSpecularGlossiness.specularFactor=i,t.extensions.KHR_materials_pbrSpecularGlossiness.glossinessFactor=e.glossiness}if(e.metalnessMap||e.roughnessMap)if(e.metalnessMap===e.roughnessMap){var r={index:E(e.metalnessMap)};b(r,e.metalnessMap),t.pbrMetallicRoughness.metallicRoughnessTexture=r}else console.warn("THREE.GLTFExporter: Ignoring metalnessMap and roughnessMap because they are not the same Texture.");if(e.map){var o={index:E(e.map)};b(o,e.map),e.isGLTFSpecularGlossinessMaterial&&(t.extensions.KHR_materials_pbrSpecularGlossiness.diffuseTexture=o),t.pbrMetallicRoughness.baseColorTexture=o}if(e.isGLTFSpecularGlossinessMaterial&&e.specularMap){var s={index:E(e.specularMap)};b(s,e.specularMap),t.extensions.KHR_materials_pbrSpecularGlossiness.specularGlossinessTexture=s}if(e.emissive){var l=e.emissive.clone().multiplyScalar(e.emissiveIntensity).toArray();if(g(l,[0,0,0])||(t.emissiveFactor=l),e.emissiveMap){var c={index:E(e.emissiveMap)};b(c,e.emissiveMap),t.emissiveTexture=c}}if(e.normalMap){var h={index:E(e.normalMap)};e.normalScale&&-1!==e.normalScale.x&&(e.normalScale.x!==e.normalScale.y&&console.warn("THREE.GLTFExporter: Normal scale components are different, ignoring Y and exporting X."),h.scale=e.normalScale.x),b(h,e.normalMap),t.normalTexture=h}if(e.aoMap){var d={index:E(e.aoMap),texCoord:1};1!==e.aoMapIntensity&&(d.strength=e.aoMapIntensity),b(d,e.aoMap),t.occlusionTexture=d}e.transparent?t.alphaMode="BLEND":e.alphaTest>0&&(t.alphaMode="MASK",t.alphaCutoff=e.alphaTest),2===e.side&&(t.doubleSided=!0),""!==e.name&&(t.name=e.name),x(e,t),a.materials.push(t);var f=a.materials.length-1;return p.materials.set(e,f),f}function L(e){var t=[e.geometry.uuid];if(Array.isArray(e.material))for(var n=0,i=e.material.length;n5e-4)return!1;return!0}(f)||(console.warn("THREE.GLTFExporter: Creating normalized normal attribute from the non-normalized one."),s.setAttribute("normal",function(e){if(p.attributesNormalized.has(e))return p.attributesNormalized.get(e);for(var t=e.clone(),n=new D,i=0,r=t.count;i0){var _=[],S=[],T={};if(void 0!==e.morphTargetDictionary)for(var E in e.morphTargetDictionary)T[e.morphTargetDictionary[E]]=E;for(n=0;n0&&(l.extras={},l.extras.targetNames=S)}var z=Array.isArray(e.material);if(z&&0===s.groups.length)return null;for(var U=z?e.material:[e.material],F=z?s.groups:[{materialIndex:0,start:void 0,count:void 0}],B=(n=0,F.length);n0&&(H.targets=u),null!==s.index){var G=m(s.index);void 0===F[n].start&&void 0===F[n].count||(G+=":"+F[n].start+":"+F[n].count),p.attributes.has(G)?H.indices=p.attributes.get(G):(H.indices=M(s.index,s,F[n].start,F[n].count),p.attributes.set(G,H.indices)),null===H.indices&&delete H.indices}var k=A(U[F[n].materialIndex]);null!==k&&(H.material=k),h.push(H)}l.primitives=h,a.meshes||(a.meshes=[]),a.meshes.push(l);var V=a.meshes.length-1;return p.meshes.set(r,V),V}function R(e,t){a.animations||(a.animations=[]);for(var n=(e=YC.Utils.mergeMorphTargetTracks(e.clone(),t)).tracks,i=[],r=[],o=0;o0&&(t.range=e.distance)):e.isSpotLight&&(t.type="spot",e.distance>0&&(t.range=e.distance),t.spot={},t.spot.innerConeAngle=(e.penumbra-1)*e.angle*-1,t.spot.outerConeAngle=e.angle),void 0!==e.decay&&2!==e.decay&&console.warn("THREE.GLTFExporter: Light decay may be lost. glTF is physically-based, and expects light.decay=2."),!e.target||e.target.parent===e&&0===e.target.position.x&&0===e.target.position.y&&-1===e.target.position.z||console.warn("THREE.GLTFExporter: Light direction may be lost. For best results, make light.target a child of the light with position 0,0,-1.");var n=a.extensions.KHR_lights_punctual.lights;return n.push(t),n.length-1}function O(e){a.nodes||(a.nodes=[]);var t={};if(n.trs){var i=e.quaternion.toArray(),r=e.position.toArray(),o=e.scale.toArray();g(i,[0,0,0,1])||(t.rotation=i),g(r,[0,0,0])||(t.translation=r),g(o,[1,1,1])||(t.scale=o)}else e.matrixAutoUpdate&&e.updateMatrix(),g(e.matrix.elements,[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1])||(t.matrix=e.matrix.elements);if(""!==e.name&&(t.name=String(e.name)),x(e,t),e.isMesh||e.isLine||e.isPoints){var s=L(e);null!==s&&(t.mesh=s)}else if(e.isCamera)t.camera=function(e){a.cameras||(a.cameras=[]);var t=e.isOrthographicCamera,n={type:t?"orthographic":"perspective"};return t?n.orthographic={xmag:2*e.right,ymag:2*e.top,zfar:e.far<=0?.001:e.far,znear:e.near<0?0:e.near}:n.perspective={aspectRatio:e.aspect,yfov:_.degToRad(e.fov),zfar:e.far<=0?.001:e.far,znear:e.near<0?0:e.near},""!==e.name&&(n.name=e.type),a.cameras.push(n),a.cameras.length-1}(e);else if(e.isDirectionalLight||e.isPointLight||e.isSpotLight)u.KHR_lights_punctual||(a.extensions=a.extensions||{},a.extensions.KHR_lights_punctual={lights:[]},u.KHR_lights_punctual=!0),t.extensions=t.extensions||{},t.extensions.KHR_lights_punctual={light:C(e)};else if(e.isLight)return console.warn("THREE.GLTFExporter: Only directional, point, and spot lights are supported.",e),null;if(e.isSkinnedMesh&&h.push(e),e.children.length>0){for(var l=[],p=0,d=e.children.length;p0&&(t.children=l)}a.nodes.push(t);var v=a.nodes.length-1;return c.set(e,v),v}function I(e){a.scenes||(a.scenes=[],a.scene=0);var t={};""!==e.name&&(t.name=e.name),a.scenes.push(t);for(var i=[],r=0,o=e.children.length;r0&&(t.nodes=i),x(e,t)}!function(e){e=e instanceof Array?e:[e];for(var t=[],i=0;i0&&function(e){var t=new se;t.name="AuxScene";for(var n=0;n0&&(a.extensionsUsed=i),a.buffers&&a.buffers.length>0&&(a.buffers[0].byteLength=e.size),!0===n.binary){(r=new window.FileReader).readAsArrayBuffer(e),r.onloadend=function(){var e=y(r.result),n=new DataView(new ArrayBuffer(8));n.setUint32(0,e.byteLength,!0),n.setUint32(4,5130562,!0);var i=y(function(e){if(void 0!==window.TextEncoder)return(new TextEncoder).encode(e).buffer;for(var t=new Uint8Array(new ArrayBuffer(e.length)),n=0,i=e.length;n255?32:r}return t.buffer}(JSON.stringify(a)),32),o=new DataView(new ArrayBuffer(8));o.setUint32(0,i.byteLength,!0),o.setUint32(4,1313821514,!0);var s=new ArrayBuffer(12),l=new DataView(s);l.setUint32(0,1179937895,!0),l.setUint32(4,2,!0);var c=12+o.byteLength+i.byteLength+n.byteLength+e.byteLength;l.setUint32(8,c,!0);var h=new Blob([s,o,i,n,e],{type:"application/octet-stream"}),u=new window.FileReader;u.readAsArrayBuffer(h),u.onloadend=function(){t(u.result)}}}else{var r;if(a.buffers&&a.buffers.length>0)(r=new window.FileReader).readAsDataURL(e),r.onloadend=function(){var e=r.result;a.buffers[0].uri=e,t(a)};else t(a)}}))}},YC.Utils={insertKeyframe:function(e,t){var n,i=e.getValueSize(),r=new e.TimeBufferType(e.times.length+1),a=new e.ValueBufferType(e.values.length+i),o=e.createInterpolant(new e.ValueBufferType(i));if(0===e.times.length){r[0]=t;for(var s=0;se.times[e.times.length-1]){if(Math.abs(e.times[e.times.length-1]-t)<.001)return e.times.length-1;r[r.length-1]=t,r.set(e.times,0),a.set(e.values,0),a.set(o.evaluate(t),e.values.length),n=r.length-1}else for(s=0;st){r.set(e.times.slice(0,s+1),0),r[s+1]=t,r.set(e.times.slice(s+1),s+2),a.set(e.values.slice(0,(s+1)*i),0),a.set(o.evaluate(t),(s+1)*i),a.set(e.values.slice((s+1)*i),(s+2)*i),n=s+1;break}}return e.times=r,e.values=a,n},mergeMorphTargetTracks:function(e,t){for(var n=[],i={},r=e.tracks,a=0;a=0;s--)(r=e[s])&&(o=(a<3?r(o):a>3?r(t,n,o):r(t,n))||o);return a>3&&o&&Object.defineProperty(t,n,o),o};const cO=Math.PI/32,hO=Symbol("autoRotateStartTime"),uO=Symbol("cameraChangeHandler"),pO=Symbol("onCameraChange"),dO=(e=>{var t,n,i,r;class a extends e{constructor(...e){super(...e),this[t]=new Nh,this[n]=new Map,this[i]=e=>{e.forEach(e=>{e instanceof MutationRecord&&"childList"!==e.type||(e.addedNodes.forEach(e=>{this[Lm](e)}),e.removedNodes.forEach(e=>{this[Rm](e)}),this[cm]())})},this[r]=new MutationObserver(this[Em]);const a=this.shadowRoot,{domElement:o}=this[Sm];o.classList.add("annotation-container"),a.querySelector(".container").appendChild(o),o.appendChild(a.querySelector(".default"))}connectedCallback(){super.connectedCallback();for(let e=0;e{var t,n,i,r,o,s;class l extends e{constructor(){super(...arguments),this[s]=null,this[t]=e=>this[ZC](e),this[n]=e=>this[aO](e),this[i]=new MutationObserver(this[KC]),this[r]=null,this[o]=null}get worklet(){const e=this[tO];return null!=e?e.worker:null}connectedCallback(){super.connectedCallback(),this[QC].observe(this,{childList:!0});const e=this.querySelector('script[type="experimental-scene-graph-worklet"]:last-of-type');null!=e&&this[sO](e)&&this[eO](e)}async disconnectedCallback(){super.disconnectedCallback(),this[QC].disconnect();const e=this[tO];null!=e&&(await e.terminate(),this[tO]=null)}updated(e){if(super.updated(e),e.has(rO)){const t=e.get(rO);null!=t&&t.removeEventListener("mutation",this[oO]);const n=this[rO];null!=n&&n.addEventListener("mutation",this[oO])}}[(s=rO,t=KC,n=oO,i=QC,r=tO,o=iO,um)](){super[um](),this[nO]()}[sO](e){return e instanceof HTMLScriptElement&&(e.textContent||e.src)&&"experimental-scene-graph-worklet"===e.getAttribute("type")}[ZC](e){if(null==this.parentNode)return;let t=null;for(const n of e)for(const e of Array.from(n.addedNodes))this[sO](e)&&(t=e);null!=t&&this[eO](t)}[eO](e){if(!this[sO](e))return;const t=(e.getAttribute("allow")||"").split(";").map(e=>e.trim()).filter(e=>JC.has(e));e.src?this[$C](e.src,t):this[$C](e.textContent,t,{eval:!0})}async[$C](e,t,n={eval:!1}){let i=this[tO];null!=i&&await i.terminate(),this[tO]=i=new Qx(t),this.dispatchEvent(new CustomEvent("worklet-created",{detail:{worklet:this.worklet}})),n.eval?await i.eval(e):await i.import(e),this[nO]()}[nO](){const e=this[tO];if(null==e||null==this.parentNode)return;const t=this[lm],{model:n}=t,{currentGLTF:i}=n;let r=null;if(null!=i){const{correlatedSceneGraph:e}=i,t=this[rO];if(null!=e){if(null!=t&&i===this[iO])return;r=new TC(n.url||"",e)}}e.changeModel(r),this[rO]=r,this[iO]=i}[aO](e){this[cm]()}async exportScene(e){const{model:t}=this[lm];return new Promise(async(n,i)=>{if(null==t)return i("Model missing or not yet loaded");const r={animations:t.animations,binary:(null==e?void 0:e.binary)||!1,trs:(null==e?void 0:e.trs)||!0,onlyVisible:(null==e?void 0:e.onlyVisible)||!0,maxTextureSize:(null==e?void 0:e.maxTextureSize)||1/0,forcePowerOfTwoTextures:(null==e?void 0:e.forcePowerOfTwoTextures)||!1,includeCustomExtensions:(null==e?void 0:e.includeCustomExtensions)||!1,embedImages:(null==e?void 0:e.embedImages)||!0,truncateDrawRange:!0};(new YC).parse(t,e=>n(new Blob([r.binary?e:JSON.stringify(e)],{type:r.binary?"application/octet-stream":"application/json"})),r)})}}return function(e,t,n,i){for(var r,a=arguments.length,o=a<3?t:null===i?i=Object.getOwnPropertyDescriptor(t,n):i,s=e.length-1;s>=0;s--)(r=e[s])&&(o=(a<3?r(o):a>3?r(t,n,o):r(t,n))||o);a>3&&o&&Object.defineProperty(t,n,o)}([a({type:Object})],l.prototype,s,void 0),l})((e=>{var t,n;class i extends e{constructor(){super(...arguments),this.autoRotate=!1,this.autoRotateDelay=3e3,this[t]=performance.now(),this[n]=e=>this[pO](e)}connectedCallback(){super.connectedCallback(),this.addEventListener("camera-change",this[uO]),this[hO]=performance.now()}disconnectedCallback(){super.disconnectedCallback(),this.removeEventListener("camera-change",this[uO]),this[hO]=performance.now()}updated(e){super.updated(e),e.has("autoRotate")&&(this[hO]=performance.now())}[(t=hO,n=uO,hm)](e,t){if(super[hm](e,t),!this.autoRotate||!this.modelIsVisible||this[dm].isPresenting)return;const n=Math.min(t,e-this[hO]-this.autoRotateDelay);n>0&&(this[lm].yaw=this.turntableRotation+cO*n*.001)}[pO](e){this.autoRotate&&"user-interaction"===e.detail.source&&(this[hO]=performance.now())}get turntableRotation(){return this[lm].yaw}resetTurntableRotation(){this[lm].yaw=0}}return lO([a({type:Boolean,attribute:"auto-rotate"})],i.prototype,"autoRotate",void 0),lO([a({type:Number,attribute:"auto-rotate-delay"})],i.prototype,"autoRotateDelay",void 0),i})((e=>{var t,n,i;class r extends e{constructor(){super(...arguments),this.environmentImage=null,this.skyboxImage=null,this.shadowIntensity=0,this.shadowSoftness=1,this.exposure=1,this[t]=null,this[n]=null,this[i]=e=>{e.element===this&&this[Xy]()}}connectedCallback(){super.connectedCallback(),this[dm].loader.addEventListener("preload",this[Jy])}disconnectedCallback(){super.disconnectedCallback(),this[dm].loader.removeEventListener("preload",this[Jy])}updated(e){super.updated(e),e.has("shadowIntensity")&&(this[lm].setShadowIntensity(.1*this.shadowIntensity),this[cm]()),e.has("shadowSoftness")&&(this[lm].setShadowSoftness(this.shadowSoftness),this[cm]()),e.has("exposure")&&(this[lm].exposure=this.exposure,this[cm]()),(e.has("environmentImage")||e.has("skyboxImage"))&&this[vm]()&&this[Xy]()}[(t=Wy,n=Yy,i=Jy,um)](){super[um](),null!=this[Wy]&&this[qy](this[Wy])}async[Xy](){const{skyboxImage:e,environmentImage:t}=this;null!=this[Yy]&&(this[Yy](),this[Yy]=null);const{textureUtils:n}=this[dm];if(null!=n)try{const{environmentMap:i,skybox:r}=await new Promise(async(i,r)=>{const a=n.generateEnvironmentMapAndSkybox(Pu(e),Pu(t),{progressTracker:this[fm]});this[Yy]=()=>r(a),i(await a)});this[lm].background=null!=r?r.texture:null,this[qy](i.texture),this[lm].model.dispatchEvent({type:"envmap-update"})}catch(e){if(e instanceof Error)throw this[qy](null),e}}[qy](e){this[Wy]=e,this[lm].environment=this[Wy],this.dispatchEvent(new CustomEvent("environment-change")),this[cm]()}}return jy([a({type:String,attribute:"environment-image"})],r.prototype,"environmentImage",void 0),jy([a({type:String,attribute:"skybox-image"})],r.prototype,"skyboxImage",void 0),jy([a({type:Number,attribute:"shadow-intensity"})],r.prototype,"shadowIntensity",void 0),jy([a({type:Number,attribute:"shadow-softness"})],r.prototype,"shadowSoftness",void 0),jy([a({type:Number})],r.prototype,"exposure",void 0),r})((e=>{var t,n,i,r,o,s,l,c,h,u,p,d,f,m,g,v,y;class x extends e{constructor(){super(...arguments),this.cameraControls=!1,this.cameraOrbit="0deg 75deg 105%",this.cameraTarget="auto auto auto",this.fieldOfView="auto",this.minCameraOrbit="auto",this.maxCameraOrbit="auto",this.minFieldOfView="auto",this.maxFieldOfView="auto",this.interactionPromptThreshold=3e3,this.interactionPromptStyle=ey,this.interactionPrompt=Qv,this.interactionPolicy=ty,this[t]=this.shadowRoot.querySelector(".interaction-prompt"),this[n]=this.shadowRoot.querySelector(".interaction-prompt > .animated-container"),this[i]=1/0,this[r]=0,this[o]=1/0,this[s]=!1,this[l]=!1,this[c]=new kv(this[lm].camera,this[om]),this[h]=0,this[u]=new sc,this[p]=!1,this[d]=!1,this[f]=!1,this[m]=e=>this[Ty](e),this[g]=e=>this[Ey](e),this[v]=()=>this[Sy](),this[y]=()=>this[My]()}getCameraOrbit(){const{theta:e,phi:t,radius:n}=this[Iy];return{theta:e,phi:t,radius:n}}getCameraTarget(){return this[lm].getTarget()}getFieldOfView(){return this[dy].getFieldOfView()}getMinimumFieldOfView(){return this[dy].options.minimumFieldOfView}getMaximumFieldOfView(){return this[dy].options.maximumFieldOfView}jumpCameraToGoal(){this[Dy]=!0,this.requestUpdate(Dy,!1)}resetInteractionPrompt(){this[Py]=0,this[Ry]=1/0,this[Ly]=!1,this[Ay]=this.interactionPrompt===Qv&&this.cameraControls}connectedCallback(){super.connectedCallback(),this[dy].addEventListener("change",this[wy]),this[dy].addEventListener("pointer-change-start",this[_y]),this[dy].addEventListener("pointer-change-end",this[_y])}disconnectedCallback(){super.disconnectedCallback(),this[dy].removeEventListener("change",this[wy]),this[dy].removeEventListener("pointer-change-start",this[_y]),this[dy].removeEventListener("pointer-change-end",this[_y])}updated(e){super.updated(e);const t=this[dy],n=this[om];if(e.has("cameraControls")&&(this.cameraControls?(t.enableInteraction(),this.interactionPrompt===Qv&&(this[Ay]=!0),n.addEventListener("focus",this[by]),n.addEventListener("blur",this[xy])):(n.removeEventListener("focus",this[by]),n.removeEventListener("blur",this[xy]),t.disableInteraction(),this[gy]())),(e.has("interactionPrompt")||e.has("cameraControls")||e.has("src"))&&(this.interactionPrompt===Qv&&this.cameraControls&&!this[Ly]?this[Ay]=!0:this[gy]()),e.has("interactionPromptStyle")&&this[fy].classList.toggle("wiggle",this.interactionPromptStyle===ey),e.has("interactionPolicy")){const e=this.interactionPolicy;t.applyOptions({interactionPolicy:e})}!0===this[Dy]&&Promise.resolve().then(()=>{this[dy].jumpToGoal(),this[lm].jumpToGoal(),this[Dy]=!1})}[(t=fy,n=my,i=Cy,r=Py,o=Ry,s=Ly,l=Ay,c=dy,h=Oy,u=Iy,p=Dy,d=Ny,f=zy,m=wy,g=_y,v=by,y=xy,Fy)](e){this[dy].setFieldOfView(180*e[0]/Math.PI)}[Uy](e){if(this[zy]){const{theta:t,phi:n}=this.getCameraOrbit();e[0]=t,e[1]=n,this[zy]=!1}this[dy].setOrbit(e[0],e[1],e[2])}[Hy](e){this[dy].applyOptions({minimumAzimuthalAngle:e[0],minimumPolarAngle:e[1],minimumRadius:e[2]}),this.jumpCameraToGoal()}[Gy](e){this[dy].applyOptions({maximumAzimuthalAngle:e[0],maximumPolarAngle:e[1],maximumRadius:e[2]}),this[yy](e[2]),this.jumpCameraToGoal()}[ky](e){this[dy].applyOptions({minimumFieldOfView:180*e[0]/Math.PI}),this.jumpCameraToGoal()}[Vy](e){this[dy].applyOptions({maximumFieldOfView:180*e[0]/Math.PI}),this.jumpCameraToGoal()}[By](e){const[t,n,i]=e;this[lm].setTarget(t,n,i),this[dm].arRenderer.updateTarget()}[hm](e,t){if(super[hm](e,t),this[dm].isPresenting||!this.modelIsVisible)return;const n=performance.now();if(this[Ay]){const e=this.interactionPrompt===Qv?this[nm]:this[Cy];this.loaded&&n>e+this.interactionPromptThreshold&&(this[om].setAttribute("aria-label","Use mouse, touch or arrow keys to control the camera!"),this[Ay]=!1,this[Ry]=n,this[fy].classList.add("visible"))}if(isFinite(this[Ry])&&this.interactionPromptStyle===ey){const e=this[lm],t=(n-this[Ry])/5e3%1,i=Xv(t),r=Yv(t);if(this[my].style.opacity=""+r,i!==this[Py]){const t=i*e.width*.05,n=(i-this[Py])*Math.PI/16;this[my].style.transform=`translateX(${t}px)`,this[dy].adjustOrbit(n,0,0),this[Py]=i}}this[dy].update(e,t),this[lm].updateTarget(t)}[gy](){this[Ay]=!1,this[fy].classList.remove("visible"),this[Ry]=1/0}[yy](e){const{idealCameraDistance:t}=this[lm].model,n=2*Math.max(t,e);this[dy].updateNearFar(0,n)}[vy](){const{theta:e,phi:t}=this[Iy],{theta:n,phi:i}=this[dy].getCameraSpherical(this[Iy]),r=this.getRootNode();if(null!=r&&r.activeElement===this){const r=(4+Math.floor((e%py+uy)/cy))%4,a=(4+Math.floor((n%py+uy)/cy))%4,o=Math.floor(t/hy),s=Math.floor(i/hy);if(a!==r||s!==o){const e=`View from stage ${Kv[s]}${Zv[a]}`;this[om].setAttribute("aria-label",e)}}}[pm](e){const t=this[dy],n=this[lm].framedFieldOfView;super[pm](e);const i=this[lm].framedFieldOfView,r=t.getFieldOfView()/n;this[Oy]=i*r,t.updateAspect(this[lm].aspect),this.requestUpdate("maxFieldOfView",this.maxFieldOfView),this.requestUpdate("fieldOfView",this.fieldOfView),this.jumpCameraToGoal()}[um](){super[um]();const{framedFieldOfView:e}=this[lm];this[Oy]=e,this[Ny]?this[zy]=!0:this[Ny]=!0,this.requestUpdate("maxFieldOfView",this.maxFieldOfView),this.requestUpdate("fieldOfView",this.fieldOfView),this.requestUpdate("minCameraOrbit",this.minCameraOrbit),this.requestUpdate("maxCameraOrbit",this.maxCameraOrbit),this.requestUpdate("cameraOrbit",this.cameraOrbit),this.requestUpdate("cameraTarget",this.cameraTarget),this.jumpCameraToGoal()}[Sy](){const e=this[om];isFinite(this[Cy])||(this[Cy]=performance.now());const t=this[tm];e.getAttribute("aria-label")!==t&&e.setAttribute("aria-label",t),this.interactionPrompt!==$v||this[Ly]||(this[Ay]=!0)}[My](){this.interactionPrompt===$v&&(this[Ay]=!1,this[fy].classList.remove("visible"),this[Ry]=1/0,this[Cy]=1/0)}[Ty]({source:e}){this[vy](),this[cm](),e===Hv&&(this[Ly]=!0,this[gy]()),this.dispatchEvent(new CustomEvent("camera-change",{detail:{source:e}}))}[Ey](e){"pointer-change-start"===e.type?this[am].classList.add("pointer-tumbling"):this[am].classList.remove("pointer-tumbling")}}return qv([a({type:Boolean,attribute:"camera-controls"})],x.prototype,"cameraControls",void 0),qv([Ng({intrinsics:ay,observeEffects:!0,updateHandler:Uy}),a({type:String,attribute:"camera-orbit",hasChanged:()=>!0})],x.prototype,"cameraOrbit",void 0),qv([Ng({intrinsics:ly,observeEffects:!0,updateHandler:By}),a({type:String,attribute:"camera-target",hasChanged:()=>!0})],x.prototype,"cameraTarget",void 0),qv([Ng({intrinsics:ny,observeEffects:!0,updateHandler:Fy}),a({type:String,attribute:"field-of-view",hasChanged:()=>!0})],x.prototype,"fieldOfView",void 0),qv([Ng({intrinsics:oy,updateHandler:Hy}),a({type:String,attribute:"min-camera-orbit",hasChanged:()=>!0})],x.prototype,"minCameraOrbit",void 0),qv([Ng({intrinsics:sy,updateHandler:Gy}),a({type:String,attribute:"max-camera-orbit",hasChanged:()=>!0})],x.prototype,"maxCameraOrbit",void 0),qv([Ng({intrinsics:iy,updateHandler:ky}),a({type:String,attribute:"min-field-of-view",hasChanged:()=>!0})],x.prototype,"minFieldOfView",void 0),qv([Ng({intrinsics:ry,updateHandler:Vy}),a({type:String,attribute:"max-field-of-view",hasChanged:()=>!0})],x.prototype,"maxFieldOfView",void 0),qv([a({type:Number,attribute:"interaction-prompt-threshold"})],x.prototype,"interactionPromptThreshold",void 0),qv([a({type:String,attribute:"interaction-prompt-style"})],x.prototype,"interactionPromptStyle",void 0),qv([a({type:String,attribute:"interaction-prompt"})],x.prototype,"interactionPrompt",void 0),qv([a({type:String,attribute:"interaction-policy"})],x.prototype,"interactionPolicy",void 0),x})((e=>{var t,n,i,r,o,s,l;class c extends e{constructor(){super(...arguments),this.ar=!1,this.arScale="auto",this.arModes="webxr scene-viewer quick-look",this.iosSrc=null,this.quickLookBrowsers="safari",this[t]=!1,this[n]=this.shadowRoot.querySelector(".ar-button"),this[i]=new Set,this[r]=Gm,this[o]=new Set,this[s]=e=>{e.preventDefault(),this.activateAR()},this[l]=({status:e})=>{e!==Ep&&this[dm].arRenderer.presentedScene!==this[lm]||(this.setAttribute("ar-status",e),this.dispatchEvent(new CustomEvent("ar-status",{detail:{status:e}})))}}get canActivateAR(){return this[Wm]!==Gm}async activateAR(){switch(this[Wm]){case Fm:Dm(this.iosSrc,this.arScale);break;case Hm:await this[Vm]();break;case Bm:Nm(this.src,this.alt||"",this.arScale);break;default:console.warn("No AR Mode can be activated. This is probably due to missing configuration or device capabilities")}}async[(t=jm,n=km,i=qm,r=Wm,o=Ym,s=Jm,l=Zm,Vm)](){console.log("Attempting to present in AR...");try{await this[dm].arRenderer.present(this[lm])}catch(e){console.warn("Error while trying to present to AR"),console.error(e),await this[dm].arRenderer.stopPresenting()}}connectedCallback(){super.connectedCallback(),this[dm].arRenderer.addEventListener("status",this[Zm]),this.setAttribute("ar-status",Ep)}disconnectedCallback(){super.disconnectedCallback(),this[dm].arRenderer.removeEventListener("status",this[Zm])}async update(e){if(super.update(e),e.has("quickLookBrowsers")&&(this[Ym]=zm(this.quickLookBrowsers)),e.has("ar")||e.has("arModes")||e.has("iosSrc")){if(e.has("arModes")&&(this[qm]=Um(this.arModes)),e.has("arScale")&&(this[lm].canScale="fixed"!==this.arScale),this[Wm]=Gm,this.ar){const e=[];this[qm].forEach(t=>{e.push(t)});for(const t of e){if("webxr"===t&&h&&await this[dm].arRenderer.supportsPresentation()){this[Wm]=Hm;break}if("scene-viewer"===t&&u){this[Wm]=Bm;break}if("quick-look"===t&&this.iosSrc&&this[Xm]&&d){this[Wm]=Fm;break}}}this.canActivateAR?(this[km].classList.add("enabled"),this[km].addEventListener("click",this[Jm])):(this[km].removeEventListener("click",this[Jm]),this[km].classList.remove("enabled"))}}get[Xm](){return m?this[Ym].has("chrome"):!!g&&this[Ym].has("safari")}}return Im([a({type:Boolean,attribute:"ar"})],c.prototype,"ar",void 0),Im([a({type:String,attribute:"ar-scale"})],c.prototype,"arScale",void 0),Im([a({type:String,attribute:"ar-modes"})],c.prototype,"arModes",void 0),Im([a({type:String,attribute:"ios-src"})],c.prototype,"iosSrc",void 0),Im([a({type:String,attribute:"quick-look-browsers"})],c.prototype,"quickLookBrowsers",void 0),c})((e=>{var t,n,i,r,o,s,l,c,h,u,p,d;class f extends e{constructor(...e){super(...e),this.poster=null,this.reveal=tx,this.loading=ix,this[t]=!1,this[n]=0,this[i]=null,this[r]=this.shadowRoot.querySelector(".slot.poster"),this[o]=this.shadowRoot.querySelector("#default-poster"),this[s]=this.shadowRoot.querySelector("#default-progress-bar > .bar"),this[l]=this.shadowRoot.querySelector("#default-progress-bar > .mask"),this[c]=this[hx].getAttribute("aria-label"),this[h]=()=>this[wx](),this[u]=e=>this[_x](e),this[p]=e=>this[Mx](e),this[d]=((e,t)=>{let n=null;const i=(...i)=>{null==n&&(e(...i),n=self.setTimeout(()=>n=null,t))};return i.flush=()=>{null!=n&&(self.clearTimeout(n),n=null)},i})(e=>{const t=this[sx].parentNode;requestAnimationFrame(()=>{this[lx].style.opacity=""+.2*(1-e),this[sx].style.transform=`scaleX(${e})`,0===e&&(t.removeChild(this[sx]),t.appendChild(this[sx])),1===e?this[sx].classList.add("hide"):this[sx].classList.remove("hide")})},100);const a=(self.ModelViewerElement||{}).dracoDecoderLocation||"https://www.gstatic.com/draco/versioned/decoders/1.3.5/";Ph.setDRACODecoderLocation(a)}static set dracoDecoderLocation(e){Ph.setDRACODecoderLocation(e)}static get dracoDecoderLocation(){return Ph.getDRACODecoderLocation()}static mapURLs(e){Mf.singleton.loader[Ah].manager.setURLModifier(e)}dismissPoster(){this[ym]()?this[dx]():(this[ux]=ax,this[im]())}connectedCallback(){super.connectedCallback(),this[cx].addEventListener("click",this[yx]),this[cx].addEventListener("keydown",this[xx]),this[fm].addEventListener("progress",this[bx]),ox.registerInstance(this)}disconnectedCallback(){super.disconnectedCallback(),this[cx].removeEventListener("click",this[yx]),this[cx].removeEventListener("keydown",this[xx]),this[fm].removeEventListener("progress",this[bx]),ox.unregisterInstance(this)}async updated(e){super.updated(e),e.has("poster")&&null!=this.poster&&(this[hx].style.backgroundImage=`url(${this.poster})`),e.has("alt")&&this[hx].setAttribute("aria-label",`${this[tm]}. ${this[vx]}`),(e.has("reveal")||e.has("loaded"))&&(this[ym]()||this[im]())}[(t=fx,n=gx,i=ux,r=cx,o=hx,s=sx,l=lx,c=vx,h=yx,u=xx,p=bx,d=mx,wx)](){this.reveal!==nx&&this.dismissPoster()}[_x](e){if(this.reveal!==nx)switch(e.keyCode){case 32:case 13:this.dismissPoster()}}[Mx](e){const t=e.detail.totalProgress;this[gx]=Math.max(t,this[gx]),1===t&&(this[mx].flush(),!this[ym]()||null==this[ux]&&this.reveal!==tx||this[dx]()),this[mx](t),this.dispatchEvent(new CustomEvent("progress",{detail:{totalProgress:t}}))}[vm](){return!!this.src&&(null!=this[ux]||this.loading===rx||this.reveal===tx&&this[$f])}[ym](){const{src:e}=this;return!!e&&super[ym]()&&1===this[gx]}[px](){const e=this[cx],t=this[hx],n=parseFloat(self.getComputedStyle(e).opacity);t.removeAttribute("tabindex"),t.removeAttribute("aria-hidden"),e.classList.add("show"),n<1&&e.addEventListener("transitionend",()=>{const e=this.modelIsVisible;this[fx]=!1,this[em](e)},{once:!0})}[dx](){this[ux]=null;const e=this[cx],t=this[hx];e.classList.contains("show")&&(e.classList.remove("show"),e.addEventListener("transitionend",()=>{const e=this.modelIsVisible;requestAnimationFrame(()=>{this[fx]=!0,this[em](e);const n=this.getRootNode();n&&n.activeElement===this&&this[om].focus(),t.setAttribute("aria-hidden","true"),t.tabIndex=-1})},{once:!0}))}[gm](){return super[gm]()&&this[fx]}async[im](){this[gx]=0,this[px](),await super[im]()}}return ex([a({type:String})],f.prototype,"poster",void 0),ex([a({type:String})],f.prototype,"reveal",void 0),ex([a({type:String})],f.prototype,"loading",void 0),f})((e=>{var t;class n extends e{constructor(){super(...arguments),this.autoplay=!1,this.animationName=void 0,this.animationCrossfadeDuration=300,this[t]=!0}get availableAnimations(){return this.loaded?this[lm].model.animationNames:[]}get paused(){return this[Mm]}get currentTime(){return this[lm].model.animationTime}set currentTime(e){this[lm].model.animationTime=e,this[dm].threeRenderer.shadowMap.needsUpdate=!0,this[cm]()}pause(){this[Mm]||(this[Mm]=!0,this[dm].threeRenderer.shadowMap.autoUpdate=!1,this.dispatchEvent(new CustomEvent("pause")))}play(){this[Mm]&&this.availableAnimations.length>0&&(this[Mm]=!1,this[dm].threeRenderer.shadowMap.autoUpdate=!0,this[lm].model.hasActiveAnimation||this[_m](),this.dispatchEvent(new CustomEvent("play")))}[(t=Mm,um)](){this[Mm]=!0,this.autoplay&&(this[_m](),this.play())}[hm](e,t){if(super[hm](e,t),this[Mm]||!this.modelIsVisible)return;const{model:n}=this[lm];n.updateAnimation(t/1e3),this[cm]()}updated(e){super.updated(e),e.has("autoplay")&&this.autoplay&&this.play(),e.has("animationName")&&this[_m]()}async[im](){return this[lm].model.stopAnimation(),super[im]()}[_m](){const{model:e}=this[lm];e.playAnimation(this.animationName,this.animationCrossfadeDuration/1e3),this[Mm]&&(e.updateAnimation(0),this[cm]())}}return wm([a({type:Boolean})],n.prototype,"autoplay",void 0),wm([a({type:String,attribute:"animation-name"})],n.prototype,"animationName",void 0),wm([a({type:Number,attribute:"animation-crossfade-duration"})],n.prototype,"animationCrossfadeDuration",void 0),n})((e=>{var t;const n=Symbol("endPolyfillCoordination");return t=n,class extends e{constructor(){super(...arguments),this[t]=null}connectedCallback(){super.connectedCallback&&super.connectedCallback(),null==this[n]&&(this[n]=(e=>{if(null==e.shadowRoot||e.hasAttribute("data-js-focus-visible"))return()=>{};if(!self.applyFocusVisiblePolyfill){const t=()=>{self.applyFocusVisiblePolyfill(e.shadowRoot)};return self.addEventListener("focus-visible-polyfill-ready",t,{once:!0}),()=>{self.removeEventListener("focus-visible-polyfill-ready",t)}}return self.applyFocusVisiblePolyfill(e.shadowRoot),()=>{}})(this))}disconnectedCallback(){super.disconnectedCallback&&super.disconnectedCallback(),null!=this[n]&&(this[n](),this[n]=null)}}})(bm)))))))));customElements.define("model-viewer",dO);export{dO as ModelViewerElement}; //# sourceMappingURL=model-viewer.min.js.map