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width(){return this.x}set width(e){this.x=e}get height(){return this.y}set height(e){this.y=e}set(e,t){return this.x=e,this.y=t,this}setScalar(e){return this.x=e,this.y=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;default:throw Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;default:throw Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y)}copy(e){return this.x=e.x,this.y=e.y,this}add(e){return this.x+=e.x,this.y+=e.y,this}addScalar(e){return this.x+=e,this.y+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this}sub(e){return this.x-=e.x,this.y-=e.y,this}subScalar(e){return this.x-=e,this.y-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this}multiply(e){return this.x*=e.x,this.y*=e.y,this}multiplyScalar(e){return this.x*=e,this.y*=e,this}divide(e){return this.x/=e.x,this.y/=e.y,this}divideScalar(e){return this.multiplyScalar(1/e)}applyMatrix3(e){let t=this.x,i=this.y,n=e.elements;return this.x=n[0]*t+n[3]*i+n[6],this.y=n[1]*t+n[4]*i+n[7],this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this}clamp(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(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(e,t){let i=this.length();return this.divideScalar(i||1).multiplyScalar(Math.max(e,Math.min(t,i)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this}negate(){return this.x=-this.x,this.y=-this.y,this}dot(e){return this.x*e.x+this.y*e.y}cross(e){return this.x*e.y-this.y*e.x}lengthSq(){return this.x*this.x+this.y*this.y}length(){return Math.sqrt(this.x*this.x+this.y*this.y)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)}normalize(){return this.divideScalar(this.length()||1)}angle(){return Math.atan2(-this.y,-this.x)+Math.PI}angleTo(e){let t=Math.sqrt(this.lengthSq()*e.lengthSq());return 0===t?Math.PI/2:Math.acos(iN(this.dot(e)/t,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){let t=this.x-e.x,i=this.y-e.y;return t*t+i*i}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this}lerpVectors(e,t,i){return this.x=e.x+(t.x-e.x)*i,this.y=e.y+(t.y-e.y)*i,this}equals(e){return e.x===this.x&&e.y===this.y}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this}rotateAround(e,t){let i=Math.cos(t),n=Math.sin(t),r=this.x-e.x,a=this.y-e.y;return this.x=r*i-a*n+e.x,this.y=r*n+a*i+e.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}}class iV{constructor(e,t,i,n,r,a,s,o,l){iV.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1],void 0!==e&&this.set(e,t,i,n,r,a,s,o,l)}set(e,t,i,n,r,a,s,o,l){let h=this.elements;return h[0]=e,h[1]=n,h[2]=s,h[3]=t,h[4]=r,h[5]=o,h[6]=i,h[7]=a,h[8]=l,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(e){let t=this.elements,i=e.elements;return t[0]=i[0],t[1]=i[1],t[2]=i[2],t[3]=i[3],t[4]=i[4],t[5]=i[5],t[6]=i[6],t[7]=i[7],t[8]=i[8],this}extractBasis(e,t,i){return e.setFromMatrix3Column(this,0),t.setFromMatrix3Column(this,1),i.setFromMatrix3Column(this,2),this}setFromMatrix4(e){let 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(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){let i=e.elements,n=t.elements,r=this.elements,a=i[0],s=i[3],o=i[6],l=i[1],h=i[4],u=i[7],c=i[2],d=i[5],p=i[8],f=n[0],m=n[3],g=n[6],_=n[1],v=n[4],x=n[7],y=n[2],M=n[5],S=n[8];return r[0]=a*f+s*_+o*y,r[3]=a*m+s*v+o*M,r[6]=a*g+s*x+o*S,r[1]=l*f+h*_+u*y,r[4]=l*m+h*v+u*M,r[7]=l*g+h*x+u*S,r[2]=c*f+d*_+p*y,r[5]=c*m+d*v+p*M,r[8]=c*g+d*x+p*S,this}multiplyScalar(e){let 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(){let e=this.elements,t=e[0],i=e[1],n=e[2],r=e[3],a=e[4],s=e[5],o=e[6],l=e[7],h=e[8];return t*a*h-t*s*l-i*r*h+i*s*o+n*r*l-n*a*o}invert(){let e=this.elements,t=e[0],i=e[1],n=e[2],r=e[3],a=e[4],s=e[5],o=e[6],l=e[7],h=e[8],u=h*a-s*l,c=s*o-h*r,d=l*r-a*o,p=t*u+i*c+n*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);let f=1/p;return e[0]=u*f,e[1]=(n*l-h*i)*f,e[2]=(s*i-n*a)*f,e[3]=c*f,e[4]=(h*t-n*o)*f,e[5]=(n*r-s*t)*f,e[6]=d*f,e[7]=(i*o-l*t)*f,e[8]=(a*t-i*r)*f,this}transpose(){let e;let 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(e){return this.setFromMatrix4(e).invert().transpose()}transposeIntoArray(e){let 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(e,t,i,n,r,a,s){let o=Math.cos(r),l=Math.sin(r);return this.set(i*o,i*l,-i*(o*a+l*s)+a+e,-n*l,n*o,-n*(-l*a+o*s)+s+t,0,0,1),this}scale(e,t){return this.premultiply(iH.makeScale(e,t)),this}rotate(e){return this.premultiply(iH.makeRotation(-e)),this}translate(e,t){return this.premultiply(iH.makeTranslation(e,t)),this}makeTranslation(e,t){return e.isVector2?this.set(1,0,e.x,0,1,e.y,0,0,1):this.set(1,0,e,0,1,t,0,0,1),this}makeRotation(e){let t=Math.cos(e),i=Math.sin(e);return this.set(t,-i,0,i,t,0,0,0,1),this}makeScale(e,t){return this.set(e,0,0,0,t,0,0,0,1),this}equals(e){let t=this.elements,i=e.elements;for(let e=0;e<9;e++)if(t[e]!==i[e])return!1;return!0}fromArray(e,t=0){for(let i=0;i<9;i++)this.elements[i]=e[i+t];return this}toArray(e=[],t=0){let i=this.elements;return e[t]=i[0],e[t+1]=i[1],e[t+2]=i[2],e[t+3]=i[3],e[t+4]=i[4],e[t+5]=i[5],e[t+6]=i[6],e[t+7]=i[7],e[t+8]=i[8],e}clone(){return new this.constructor().fromArray(this.elements)}}let iH=new iV;function iG(e){for(let t=e.length-1;t>=0;--t)if(e[t]>=65535)return!0;return!1}let iW={Int8Array:Int8Array,Uint8Array:Uint8Array,Uint8ClampedArray:Uint8ClampedArray,Int16Array:Int16Array,Uint16Array:Uint16Array,Int32Array:Int32Array,Uint32Array:Uint32Array,Float32Array:Float32Array,Float64Array:Float64Array};function iX(e,t){return new iW[e](t)}function ij(e){return document.createElementNS("http://www.w3.org/1999/xhtml",e)}function iq(){let e=ij("canvas");return e.style.display="block",e}let iY={};function iZ(e){e in iY||(iY[e]=!0,console.warn(e))}let iJ=new iV().set(.8224621,.177538,0,.0331941,.9668058,0,.0170827,.0723974,.9105199),iK=new iV().set(1.2249401,-.2249404,0,-.0420569,1.0420571,0,-.0196376,-.0786361,1.0982735),i$={[tj]:{transfer:tZ,primaries:tK,toReference:e=>e,fromReference:e=>e},[tX]:{transfer:tJ,primaries:tK,toReference:e=>e.convertSRGBToLinear(),fromReference:e=>e.convertLinearToSRGB()},[tY]:{transfer:tZ,primaries:t$,toReference:e=>e.applyMatrix3(iK),fromReference:e=>e.applyMatrix3(iJ)},[tq]:{transfer:tJ,primaries:t$,toReference:e=>e.convertSRGBToLinear().applyMatrix3(iK),fromReference:e=>e.applyMatrix3(iJ).convertLinearToSRGB()}},iQ=new Set([tj,tY]),i0={enabled:!0,_workingColorSpace:tj,get workingColorSpace(){return this._workingColorSpace},set workingColorSpace(colorSpace){if(!iQ.has(colorSpace))throw Error(`Unsupported working color space, "${colorSpace}".`);this._workingColorSpace=colorSpace},convert:function(e,t,i){if(!1===this.enabled||t===i||!t||!i)return e;let n=i$[t].toReference;return(0,i$[i].fromReference)(n(e))},fromWorkingColorSpace:function(e,t){return this.convert(e,this._workingColorSpace,t)},toWorkingColorSpace:function(e,t){return this.convert(e,t,this._workingColorSpace)},getPrimaries:function(e){return i$[e].primaries},getTransfer:function(e){return e===tW?tZ:i$[e].transfer}};function i1(e){return e<.04045?.0773993808*e:Math.pow(.9478672986*e+.0521327014,2.4)}function i2(e){return e<.0031308?12.92*e:1.055*Math.pow(e,.41666)-.055}class i3{static getDataURL(e){let t;if(/^data:/i.test(e.src)||"undefined"==typeof HTMLCanvasElement)return e.src;if(e instanceof HTMLCanvasElement)t=e;else{void 0===n&&(n=ij("canvas")),n.width=e.width,n.height=e.height;let i=n.getContext("2d");e instanceof ImageData?i.putImageData(e,0,0):i.drawImage(e,0,0,e.width,e.height),t=n}return t.width>2048||t.height>2048?(console.warn("THREE.ImageUtils.getDataURL: Image converted to jpg for performance reasons",e),t.toDataURL("image/jpeg",.6)):t.toDataURL("image/png")}static sRGBToLinear(e){if("undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap){let t=ij("canvas");t.width=e.width,t.height=e.height;let i=t.getContext("2d");i.drawImage(e,0,0,e.width,e.height);let n=i.getImageData(0,0,e.width,e.height),r=n.data;for(let e=0;e<r.length;e++)r[e]=255*i1(r[e]/255);return i.putImageData(n,0,0),t}if(!e.data)return console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),e;{let t=e.data.slice(0);for(let e=0;e<t.length;e++)t instanceof Uint8Array||t instanceof Uint8ClampedArray?t[e]=Math.floor(255*i1(t[e]/255)):t[e]=i1(t[e]);return{data:t,width:e.width,height:e.height}}}}let i4=0;class i5{constructor(e=null){this.isSource=!0,Object.defineProperty(this,"id",{value:i4++}),this.uuid=iU(),this.data=e,this.dataReady=!0,this.version=0}set needsUpdate(e){!0===e&&this.version++}toJSON(e){let t=void 0===e||"string"==typeof e;if(!t&&void 0!==e.images[this.uuid])return e.images[this.uuid];let i={uuid:this.uuid,url:""},n=this.data;if(null!==n){let e;if(Array.isArray(n)){e=[];for(let t=0,i=n.length;t<i;t++)n[t].isDataTexture?e.push(i6(n[t].image)):e.push(i6(n[t]))}else e=i6(n);i.url=e}return t||(e.images[this.uuid]=i),i}}function i6(e){return"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&e instanceof ImageBitmap?i3.getDataURL(e):e.data?{data:Array.from(e.data),width:e.width,height:e.height,type:e.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}let i8=0;class i9 extends iC{constructor(e=i9.DEFAULT_IMAGE,t=i9.DEFAULT_MAPPING,i=eS,n=eS,r=eR,a=eI,s=eY,o=eN,l=i9.DEFAULT_ANISOTROPY,h=tW){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:i8++}),this.uuid=iU(),this.name="",this.source=new i5(e),this.mipmaps=[],this.mapping=t,this.channel=0,this.wrapS=i,this.wrapT=n,this.magFilter=r,this.minFilter=a,this.anisotropy=l,this.format=s,this.internalFormat=null,this.type=o,this.offset=new ik(0,0),this.repeat=new ik(1,1),this.center=new ik(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new iV,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.colorSpace=h,this.userData={},this.version=0,this.onUpdate=null,this.isRenderTargetTexture=!1,this.pmremVersion=0}get image(){return this.source.data}set image(e=null){this.source.data=e}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}clone(){return new this.constructor().copy(this)}copy(e){return this.name=e.name,this.source=e.source,this.mipmaps=e.mipmaps.slice(0),this.mapping=e.mapping,this.channel=e.channel,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.colorSpace=e.colorSpace,this.userData=JSON.parse(JSON.stringify(e.userData)),this.needsUpdate=!0,this}toJSON(e){let t=void 0===e||"string"==typeof e;if(!t&&void 0!==e.textures[this.uuid])return e.textures[this.uuid];let i={metadata:{version:4.6,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(e).uuid,mapping:this.mapping,channel:this.channel,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,internalFormat:this.internalFormat,type:this.type,colorSpace:this.colorSpace,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,generateMipmaps:this.generateMipmaps,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return Object.keys(this.userData).length>0&&(i.userData=this.userData),t||(e.textures[this.uuid]=i),i}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(e){if(this.mapping!==em)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case eM:e.x=e.x-Math.floor(e.x);break;case eS:e.x=e.x<0?0:1;break;case eb: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 eM:e.y=e.y-Math.floor(e.y);break;case eS:e.y=e.y<0?0:1;break;case eb: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}set needsUpdate(e){!0===e&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(e){!0===e&&this.pmremVersion++}}i9.DEFAULT_IMAGE=null,i9.DEFAULT_MAPPING=em,i9.DEFAULT_ANISOTROPY=1;class i7{constructor(e=0,t=0,i=0,n=1){i7.prototype.isVector4=!0,this.x=e,this.y=t,this.z=i,this.w=n}get width(){return this.z}set width(e){this.z=e}get height(){return this.w}set height(e){this.w=e}set(e,t,i,n){return this.x=e,this.y=t,this.z=i,this.w=n,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this.w=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setW(e){return this.w=e,this}setComponent(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 Error("index is out of range: "+e)}return this}getComponent(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 Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(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(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}addVectors(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(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(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}subVectors(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}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}applyMatrix4(e){let t=this.x,i=this.y,n=this.z,r=this.w,a=e.elements;return this.x=a[0]*t+a[4]*i+a[8]*n+a[12]*r,this.y=a[1]*t+a[5]*i+a[9]*n+a[13]*r,this.z=a[2]*t+a[6]*i+a[10]*n+a[14]*r,this.w=a[3]*t+a[7]*i+a[11]*n+a[15]*r,this}divideScalar(e){return this.multiplyScalar(1/e)}setAxisAngleFromQuaternion(e){this.w=2*Math.acos(e.w);let 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(e){let t,i,n,r;let a=e.elements,s=a[0],o=a[4],l=a[8],h=a[1],u=a[5],c=a[9],d=a[2],p=a[6],f=a[10];if(.01>Math.abs(o-h)&&.01>Math.abs(l-d)&&.01>Math.abs(c-p)){if(.1>Math.abs(o+h)&&.1>Math.abs(l+d)&&.1>Math.abs(c+p)&&.1>Math.abs(s+u+f-3))return this.set(1,0,0,0),this;t=Math.PI;let e=(s+1)/2,a=(u+1)/2,m=(f+1)/2,g=(o+h)/4,_=(l+d)/4,v=(c+p)/4;return e>a&&e>m?e<.01?(i=0,n=.707106781,r=.707106781):(n=g/(i=Math.sqrt(e)),r=_/i):a>m?a<.01?(i=.707106781,n=0,r=.707106781):(i=g/(n=Math.sqrt(a)),r=v/n):m<.01?(i=.707106781,n=.707106781,r=0):(i=_/(r=Math.sqrt(m)),n=v/r),this.set(i,n,r,t),this}let m=Math.sqrt((p-c)*(p-c)+(l-d)*(l-d)+(h-o)*(h-o));return .001>Math.abs(m)&&(m=1),this.x=(p-c)/m,this.y=(l-d)/m,this.z=(h-o)/m,this.w=Math.acos((s+u+f-1)/2),this}min(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(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(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(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(e,t){let i=this.length();return this.divideScalar(i||1).multiplyScalar(Math.max(e,Math.min(t,i)))}floor(){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(){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(){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(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this.w=Math.trunc(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(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(e,t,i){return this.x=e.x+(t.x-e.x)*i,this.y=e.y+(t.y-e.y)*i,this.z=e.z+(t.z-e.z)*i,this.w=e.w+(t.w-e.w)*i,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this.w=e[t+3],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this.w=e.getW(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}class ne extends iC{constructor(e=1,t=1,i={}){super(),this.isRenderTarget=!0,this.width=e,this.height=t,this.depth=1,this.scissor=new i7(0,0,e,t),this.scissorTest=!1,this.viewport=new i7(0,0,e,t);let n=new i9({width:e,height:t,depth:1},(i=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:eR,depthBuffer:!0,stencilBuffer:!1,resolveDepthBuffer:!0,resolveStencilBuffer:!0,depthTexture:null,samples:0,count:1},i)).mapping,i.wrapS,i.wrapT,i.magFilter,i.minFilter,i.format,i.type,i.anisotropy,i.colorSpace);n.flipY=!1,n.generateMipmaps=i.generateMipmaps,n.internalFormat=i.internalFormat,this.textures=[];let r=i.count;for(let e=0;e<r;e++)this.textures[e]=n.clone(),this.textures[e].isRenderTargetTexture=!0;this.depthBuffer=i.depthBuffer,this.stencilBuffer=i.stencilBuffer,this.resolveDepthBuffer=i.resolveDepthBuffer,this.resolveStencilBuffer=i.resolveStencilBuffer,this.depthTexture=i.depthTexture,this.samples=i.samples}get texture(){return this.textures[0]}set texture(e){this.textures[0]=e}setSize(e,t,i=1){if(this.width!==e||this.height!==t||this.depth!==i){this.width=e,this.height=t,this.depth=i;for(let n=0,r=this.textures.length;n<r;n++)this.textures[n].image.width=e,this.textures[n].image.height=t,this.textures[n].image.depth=i;this.dispose()}this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}clone(){return new this.constructor().copy(this)}copy(e){this.width=e.width,this.height=e.height,this.depth=e.depth,this.scissor.copy(e.scissor),this.scissorTest=e.scissorTest,this.viewport.copy(e.viewport),this.textures.length=0;for(let t=0,i=e.textures.length;t<i;t++)this.textures[t]=e.textures[t].clone(),this.textures[t].isRenderTargetTexture=!0;let t=Object.assign({},e.texture.image);return this.texture.source=new i5(t),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,this.resolveDepthBuffer=e.resolveDepthBuffer,this.resolveStencilBuffer=e.resolveStencilBuffer,null!==e.depthTexture&&(this.depthTexture=e.depthTexture.clone()),this.samples=e.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class nt extends ne{constructor(e=1,t=1,i={}){super(e,t,i),this.isWebGLRenderTarget=!0}}class ni extends i9{constructor(e=null,t=1,i=1,n=1){super(null),this.isDataArrayTexture=!0,this.image={data:e,width:t,height:i,depth:n},this.magFilter=eT,this.minFilter=eT,this.wrapR=eS,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.layerUpdates=new Set}addLayerUpdate(e){this.layerUpdates.add(e)}clearLayerUpdates(){this.layerUpdates.clear()}}class nn extends nt{constructor(e=1,t=1,i=1,n={}){super(e,t,n),this.isWebGLArrayRenderTarget=!0,this.depth=i,this.texture=new ni(null,e,t,i),this.texture.isRenderTargetTexture=!0}}class nr extends i9{constructor(e=null,t=1,i=1,n=1){super(null),this.isData3DTexture=!0,this.image={data:e,width:t,height:i,depth:n},this.magFilter=eT,this.minFilter=eT,this.wrapR=eS,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class na extends nt{constructor(e=1,t=1,i=1,n={}){super(e,t,n),this.isWebGL3DRenderTarget=!0,this.depth=i,this.texture=new nr(null,e,t,i),this.texture.isRenderTargetTexture=!0}}class ns{constructor(e=0,t=0,i=0,n=1){this.isQuaternion=!0,this._x=e,this._y=t,this._z=i,this._w=n}static slerpFlat(e,t,i,n,r,a,s){let o=i[n+0],l=i[n+1],h=i[n+2],u=i[n+3],c=r[a+0],d=r[a+1],p=r[a+2],f=r[a+3];if(0===s){e[t+0]=o,e[t+1]=l,e[t+2]=h,e[t+3]=u;return}if(1===s){e[t+0]=c,e[t+1]=d,e[t+2]=p,e[t+3]=f;return}if(u!==f||o!==c||l!==d||h!==p){let e=1-s,t=o*c+l*d+h*p+u*f,i=t>=0?1:-1,n=1-t*t;if(n>Number.EPSILON){let r=Math.sqrt(n),a=Math.atan2(r,t*i);e=Math.sin(e*a)/r,s=Math.sin(s*a)/r}let r=s*i;if(o=o*e+c*r,l=l*e+d*r,h=h*e+p*r,u=u*e+f*r,e===1-s){let e=1/Math.sqrt(o*o+l*l+h*h+u*u);o*=e,l*=e,h*=e,u*=e}}e[t]=o,e[t+1]=l,e[t+2]=h,e[t+3]=u}static multiplyQuaternionsFlat(e,t,i,n,r,a){let s=i[n],o=i[n+1],l=i[n+2],h=i[n+3],u=r[a],c=r[a+1],d=r[a+2],p=r[a+3];return e[t]=s*p+h*u+o*d-l*c,e[t+1]=o*p+h*c+l*u-s*d,e[t+2]=l*p+h*d+s*c-o*u,e[t+3]=h*p-s*u-o*c-l*d,e}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,i,n){return this._x=e,this._y=t,this._z=i,this._w=n,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(e){return this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t=!0){let i=e._x,n=e._y,r=e._z,a=e._order,s=Math.cos,o=Math.sin,l=s(i/2),h=s(n/2),u=s(r/2),c=o(i/2),d=o(n/2),p=o(r/2);switch(a){case"XYZ":this._x=c*h*u+l*d*p,this._y=l*d*u-c*h*p,this._z=l*h*p+c*d*u,this._w=l*h*u-c*d*p;break;case"YXZ":this._x=c*h*u+l*d*p,this._y=l*d*u-c*h*p,this._z=l*h*p-c*d*u,this._w=l*h*u+c*d*p;break;case"ZXY":this._x=c*h*u-l*d*p,this._y=l*d*u+c*h*p,this._z=l*h*p+c*d*u,this._w=l*h*u-c*d*p;break;case"ZYX":this._x=c*h*u-l*d*p,this._y=l*d*u+c*h*p,this._z=l*h*p-c*d*u,this._w=l*h*u+c*d*p;break;case"YZX":this._x=c*h*u+l*d*p,this._y=l*d*u+c*h*p,this._z=l*h*p-c*d*u,this._w=l*h*u-c*d*p;break;case"XZY":this._x=c*h*u-l*d*p,this._y=l*d*u-c*h*p,this._z=l*h*p+c*d*u,this._w=l*h*u+c*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return!0===t&&this._onChangeCallback(),this}setFromAxisAngle(e,t){let i=t/2,n=Math.sin(i);return this._x=e.x*n,this._y=e.y*n,this._z=e.z*n,this._w=Math.cos(i),this._onChangeCallback(),this}setFromRotationMatrix(e){let t=e.elements,i=t[0],n=t[4],r=t[8],a=t[1],s=t[5],o=t[9],l=t[2],h=t[6],u=t[10],c=i+s+u;if(c>0){let e=.5/Math.sqrt(c+1);this._w=.25/e,this._x=(h-o)*e,this._y=(r-l)*e,this._z=(a-n)*e}else if(i>s&&i>u){let e=2*Math.sqrt(1+i-s-u);this._w=(h-o)/e,this._x=.25*e,this._y=(n+a)/e,this._z=(r+l)/e}else if(s>u){let e=2*Math.sqrt(1+s-i-u);this._w=(r-l)/e,this._x=(n+a)/e,this._y=.25*e,this._z=(o+h)/e}else{let e=2*Math.sqrt(1+u-i-s);this._w=(a-n)/e,this._x=(r+l)/e,this._y=(o+h)/e,this._z=.25*e}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let i=e.dot(t)+1;return i<Number.EPSILON?(i=0,Math.abs(e.x)>Math.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0):(this._x=0,this._y=-e.z,this._z=e.y)):(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=i,this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(iN(this.dot(e),-1,1)))}rotateTowards(e,t){let i=this.angleTo(e);return 0===i||this.slerp(e,Math.min(1,t/i)),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let 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(e){return this.multiplyQuaternions(this,e)}premultiply(e){return this.multiplyQuaternions(e,this)}multiplyQuaternions(e,t){let i=e._x,n=e._y,r=e._z,a=e._w,s=t._x,o=t._y,l=t._z,h=t._w;return this._x=i*h+a*s+n*l-r*o,this._y=n*h+a*o+r*s-i*l,this._z=r*h+a*l+i*o-n*s,this._w=a*h-i*s-n*o-r*l,this._onChangeCallback(),this}slerp(e,t){if(0===t)return this;if(1===t)return this.copy(e);let i=this._x,n=this._y,r=this._z,a=this._w,s=a*e._w+i*e._x+n*e._y+r*e._z;if(s<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,s=-s):this.copy(e),s>=1)return this._w=a,this._x=i,this._y=n,this._z=r,this;let o=1-s*s;if(o<=Number.EPSILON){let e=1-t;return this._w=e*a+t*this._w,this._x=e*i+t*this._x,this._y=e*n+t*this._y,this._z=e*r+t*this._z,this.normalize(),this}let l=Math.sqrt(o),h=Math.atan2(l,s),u=Math.sin((1-t)*h)/l,c=Math.sin(t*h)/l;return this._w=a*u+this._w*c,this._x=i*u+this._x*c,this._y=n*u+this._y*c,this._z=r*u+this._z*c,this._onChangeCallback(),this}slerpQuaternions(e,t,i){return this.copy(e).slerp(t,i)}random(){let e=2*Math.PI*Math.random(),t=2*Math.PI*Math.random(),i=Math.random(),n=Math.sqrt(1-i),r=Math.sqrt(i);return this.set(n*Math.sin(e),n*Math.cos(e),r*Math.sin(t),r*Math.cos(t))}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromArray(e,t=0){return this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class no{constructor(e=0,t=0,i=0){no.prototype.isVector3=!0,this.x=e,this.y=t,this.z=i}set(e,t,i){return void 0===i&&(i=this.z),this.x=e,this.y=t,this.z=i,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;default:throw Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this}multiplyVectors(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this}applyEuler(e){return this.applyQuaternion(nh.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(nh.setFromAxisAngle(e,t))}applyMatrix3(e){let t=this.x,i=this.y,n=this.z,r=e.elements;return this.x=r[0]*t+r[3]*i+r[6]*n,this.y=r[1]*t+r[4]*i+r[7]*n,this.z=r[2]*t+r[5]*i+r[8]*n,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){let t=this.x,i=this.y,n=this.z,r=e.elements,a=1/(r[3]*t+r[7]*i+r[11]*n+r[15]);return this.x=(r[0]*t+r[4]*i+r[8]*n+r[12])*a,this.y=(r[1]*t+r[5]*i+r[9]*n+r[13])*a,this.z=(r[2]*t+r[6]*i+r[10]*n+r[14])*a,this}applyQuaternion(e){let t=this.x,i=this.y,n=this.z,r=e.x,a=e.y,s=e.z,o=e.w,l=2*(a*n-s*i),h=2*(s*t-r*n),u=2*(r*i-a*t);return this.x=t+o*l+a*u-s*h,this.y=i+o*h+s*l-r*u,this.z=n+o*u+r*h-a*l,this}project(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){let t=this.x,i=this.y,n=this.z,r=e.elements;return this.x=r[0]*t+r[4]*i+r[8]*n,this.y=r[1]*t+r[5]*i+r[9]*n,this.z=r[2]*t+r[6]*i+r[10]*n,this.normalize()}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}divideScalar(e){return this.multiplyScalar(1/e)}min(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(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(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(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(e,t){let i=this.length();return this.divideScalar(i||1).multiplyScalar(Math.max(e,Math.min(t,i)))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(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(e,t,i){return this.x=e.x+(t.x-e.x)*i,this.y=e.y+(t.y-e.y)*i,this.z=e.z+(t.z-e.z)*i,this}cross(e){return this.crossVectors(this,e)}crossVectors(e,t){let i=e.x,n=e.y,r=e.z,a=t.x,s=t.y,o=t.z;return this.x=n*o-r*s,this.y=r*a-i*o,this.z=i*s-n*a,this}projectOnVector(e){let t=e.lengthSq();if(0===t)return this.set(0,0,0);let i=e.dot(this)/t;return this.copy(e).multiplyScalar(i)}projectOnPlane(e){return nl.copy(this).projectOnVector(e),this.sub(nl)}reflect(e){return this.sub(nl.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){let t=Math.sqrt(this.lengthSq()*e.lengthSq());return 0===t?Math.PI/2:Math.acos(iN(this.dot(e)/t,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){let t=this.x-e.x,i=this.y-e.y,n=this.z-e.z;return t*t+i*i+n*n}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)}setFromSpherical(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)}setFromSphericalCoords(e,t,i){let n=Math.sin(t)*e;return this.x=n*Math.sin(i),this.y=Math.cos(t)*e,this.z=n*Math.cos(i),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,i){return this.x=e*Math.sin(t),this.y=i,this.z=e*Math.cos(t),this}setFromMatrixPosition(e){let t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){let t=this.setFromMatrixColumn(e,0).length(),i=this.setFromMatrixColumn(e,1).length(),n=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=i,this.z=n,this}setFromMatrixColumn(e,t){return this.fromArray(e.elements,4*t)}setFromMatrix3Column(e,t){return this.fromArray(e.elements,3*t)}setFromEuler(e){return this.x=e._x,this.y=e._y,this.z=e._z,this}setFromColor(e){return this.x=e.r,this.y=e.g,this.z=e.b,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){let e=Math.random()*Math.PI*2,t=2*Math.random()-1,i=Math.sqrt(1-t*t);return this.x=i*Math.cos(e),this.y=t,this.z=i*Math.sin(e),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}let nl=new no,nh=new ns;class nu{constructor(e=new no(Infinity,Infinity,Infinity),t=new no(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){this.makeEmpty();for(let t=0,i=e.length;t<i;t+=3)this.expandByPoint(nd.fromArray(e,t));return this}setFromBufferAttribute(e){this.makeEmpty();for(let t=0,i=e.count;t<i;t++)this.expandByPoint(nd.fromBufferAttribute(e,t));return this}setFromPoints(e){this.makeEmpty();for(let t=0,i=e.length;t<i;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){let i=nd.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(i),this.max.copy(e).add(i),this}setFromObject(e,t=!1){return this.makeEmpty(),this.expandByObject(e,t)}clone(){return new this.constructor().copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=Infinity,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(e){return this.isEmpty()?e.set(0,0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(e){return this.isEmpty()?e.set(0,0,0):e.subVectors(this.max,this.min)}expandByPoint(e){return this.min.min(e),this.max.max(e),this}expandByVector(e){return this.min.sub(e),this.max.add(e),this}expandByScalar(e){return this.min.addScalar(-e),this.max.addScalar(e),this}expandByObject(e,t=!1){e.updateWorldMatrix(!1,!1);let i=e.geometry;if(void 0!==i){let n=i.getAttribute("position");if(!0===t&&void 0!==n&&!0!==e.isInstancedMesh)for(let t=0,i=n.count;t<i;t++)!0===e.isMesh?e.getVertexPosition(t,nd):nd.fromBufferAttribute(n,t),nd.applyMatrix4(e.matrixWorld),this.expandByPoint(nd);else void 0!==e.boundingBox?(null===e.boundingBox&&e.computeBoundingBox(),np.copy(e.boundingBox)):(null===i.boundingBox&&i.computeBoundingBox(),np.copy(i.boundingBox)),np.applyMatrix4(e.matrixWorld),this.union(np)}let n=e.children;for(let e=0,i=n.length;e<i;e++)this.expandByObject(n[e],t);return this}containsPoint(e){return!(e.x<this.min.x)&&!(e.x>this.max.x)&&!(e.y<this.min.y)&&!(e.y>this.max.y)&&!(e.z<this.min.z)&&!(e.z>this.max.z)}containsBox(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(e,t){return 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(e){return!(e.max.x<this.min.x)&&!(e.min.x>this.max.x)&&!(e.max.y<this.min.y)&&!(e.min.y>this.max.y)&&!(e.max.z<this.min.z)&&!(e.min.z>this.max.z)}intersectsSphere(e){return this.clampPoint(e.center,nd),nd.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,i;return e.normal.x>0?(t=e.normal.x*this.min.x,i=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,i=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,i+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,i+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,i+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,i+=e.normal.z*this.min.z),t<=-e.constant&&i>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(ny),nM.subVectors(this.max,ny),nf.subVectors(e.a,ny),nm.subVectors(e.b,ny),ng.subVectors(e.c,ny),n_.subVectors(nm,nf),nv.subVectors(ng,nm),nx.subVectors(nf,ng);let t=[0,-n_.z,n_.y,0,-nv.z,nv.y,0,-nx.z,nx.y,n_.z,0,-n_.x,nv.z,0,-nv.x,nx.z,0,-nx.x,-n_.y,n_.x,0,-nv.y,nv.x,0,-nx.y,nx.x,0];return!!(nT(t,nf,nm,ng,nM)&&nT(t=[1,0,0,0,1,0,0,0,1],nf,nm,ng,nM))&&(nS.crossVectors(n_,nv),nT(t=[nS.x,nS.y,nS.z],nf,nm,ng,nM))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,nd).distanceTo(e)}getBoundingSphere(e){return this.isEmpty()?e.makeEmpty():(this.getCenter(e.center),e.radius=.5*this.getSize(nd).length()),e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applyMatrix4(e){return this.isEmpty()||(nc[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),nc[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),nc[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),nc[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),nc[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),nc[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),nc[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),nc[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(nc)),this}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}}let nc=[new no,new no,new no,new no,new no,new no,new no,new no],nd=new no,np=new nu,nf=new no,nm=new no,ng=new no,n_=new no,nv=new no,nx=new no,ny=new no,nM=new no,nS=new no,nb=new no;function nT(e,t,i,n,r){for(let a=0,s=e.length-3;a<=s;a+=3){nb.fromArray(e,a);let s=r.x*Math.abs(nb.x)+r.y*Math.abs(nb.y)+r.z*Math.abs(nb.z),o=t.dot(nb),l=i.dot(nb),h=n.dot(nb);if(Math.max(-Math.max(o,l,h),Math.min(o,l,h))>s)return!1}return!0}let nE=new nu,nw=new no,nA=new no;class nC{constructor(e=new no,t=-1){this.isSphere=!0,this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){let i=this.center;void 0!==t?i.copy(t):nE.setFromPoints(e).getCenter(i);let n=0;for(let t=0,r=e.length;t<r;t++)n=Math.max(n,i.distanceToSquared(e[t]));return this.radius=Math.sqrt(n),this}copy(e){return this.center.copy(e.center),this.radius=e.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(e){return e.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(e){return e.distanceTo(this.center)-this.radius}intersectsSphere(e){let t=this.radius+e.radius;return e.center.distanceToSquared(this.center)<=t*t}intersectsBox(e){return e.intersectsSphere(this)}intersectsPlane(e){return Math.abs(e.distanceToPoint(this.center))<=this.radius}clampPoint(e,t){let i=this.center.distanceToSquared(e);return t.copy(e),i>this.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return this.isEmpty()?e.makeEmpty():(e.set(this.center,this.center),e.expandByScalar(this.radius)),e}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}expandByPoint(e){if(this.isEmpty())return this.center.copy(e),this.radius=0,this;nw.subVectors(e,this.center);let t=nw.lengthSq();if(t>this.radius*this.radius){let e=Math.sqrt(t),i=(e-this.radius)*.5;this.center.addScaledVector(nw,i/e),this.radius+=i}return this}union(e){return e.isEmpty()||(this.isEmpty()?this.copy(e):!0===this.center.equals(e.center)?this.radius=Math.max(this.radius,e.radius):(nA.subVectors(e.center,this.center).setLength(e.radius),this.expandByPoint(nw.copy(e.center).add(nA)),this.expandByPoint(nw.copy(e.center).sub(nA)))),this}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return new this.constructor().copy(this)}}let nR=new no,nP=new no,nL=new no,nI=new no,nU=new no,nN=new no,nD=new no;class nO{constructor(e=new no,t=new no(0,0,-1)){this.origin=e,this.direction=t}set(e,t){return this.origin.copy(e),this.direction.copy(t),this}copy(e){return this.origin.copy(e.origin),this.direction.copy(e.direction),this}at(e,t){return t.copy(this.origin).addScaledVector(this.direction,e)}lookAt(e){return this.direction.copy(e).sub(this.origin).normalize(),this}recast(e){return this.origin.copy(this.at(e,nR)),this}closestPointToPoint(e,t){t.subVectors(e,this.origin);let i=t.dot(this.direction);return i<0?t.copy(this.origin):t.copy(this.origin).addScaledVector(this.direction,i)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){let t=nR.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(nR.copy(this.origin).addScaledVector(this.direction,t),nR.distanceToSquared(e))}distanceSqToSegment(e,t,i,n){let r,a,s,o;nP.copy(e).add(t).multiplyScalar(.5),nL.copy(t).sub(e).normalize(),nI.copy(this.origin).sub(nP);let l=.5*e.distanceTo(t),h=-this.direction.dot(nL),u=nI.dot(this.direction),c=-nI.dot(nL),d=nI.lengthSq(),p=Math.abs(1-h*h);if(p>0){if(r=h*c-u,a=h*u-c,o=l*p,r>=0){if(a>=-o){if(a<=o){let e=1/p;r*=e,a*=e,s=r*(r+h*a+2*u)+a*(h*r+a+2*c)+d}else s=-(r=Math.max(0,-(h*(a=l)+u)))*r+a*(a+2*c)+d}else s=-(r=Math.max(0,-(h*(a=-l)+u)))*r+a*(a+2*c)+d}else a<=-o?(a=(r=Math.max(0,-(-h*l+u)))>0?-l:Math.min(Math.max(-l,-c),l),s=-r*r+a*(a+2*c)+d):a<=o?(r=0,s=(a=Math.min(Math.max(-l,-c),l))*(a+2*c)+d):(a=(r=Math.max(0,-(h*l+u)))>0?l:Math.min(Math.max(-l,-c),l),s=-r*r+a*(a+2*c)+d)}else a=h>0?-l:l,s=-(r=Math.max(0,-(h*a+u)))*r+a*(a+2*c)+d;return i&&i.copy(this.origin).addScaledVector(this.direction,r),n&&n.copy(nP).addScaledVector(nL,a),s}intersectSphere(e,t){nR.subVectors(e.center,this.origin);let i=nR.dot(this.direction),n=nR.dot(nR)-i*i,r=e.radius*e.radius;if(n>r)return null;let a=Math.sqrt(r-n),s=i-a,o=i+a;return o<0?null:s<0?this.at(o,t):this.at(s,t)}intersectsSphere(e){return this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){let t=e.normal.dot(this.direction);if(0===t)return 0===e.distanceToPoint(this.origin)?0:null;let i=-(this.origin.dot(e.normal)+e.constant)/t;return i>=0?i:null}intersectPlane(e,t){let i=this.distanceToPlane(e);return null===i?null:this.at(i,t)}intersectsPlane(e){let t=e.distanceToPoint(this.origin);return!!(0===t||e.normal.dot(this.direction)*t<0)}intersectBox(e,t){let i,n,r,a,s,o;let l=1/this.direction.x,h=1/this.direction.y,u=1/this.direction.z,c=this.origin;return(l>=0?(i=(e.min.x-c.x)*l,n=(e.max.x-c.x)*l):(i=(e.max.x-c.x)*l,n=(e.min.x-c.x)*l),h>=0?(r=(e.min.y-c.y)*h,a=(e.max.y-c.y)*h):(r=(e.max.y-c.y)*h,a=(e.min.y-c.y)*h),i>a||r>n)?null:((r>i||isNaN(i))&&(i=r),(a<n||isNaN(n))&&(n=a),u>=0?(s=(e.min.z-c.z)*u,o=(e.max.z-c.z)*u):(s=(e.max.z-c.z)*u,o=(e.min.z-c.z)*u),i>o||s>n)?null:((s>i||i!=i)&&(i=s),(o<n||n!=n)&&(n=o),n<0)?null:this.at(i>=0?i:n,t)}intersectsBox(e){return null!==this.intersectBox(e,nR)}intersectTriangle(e,t,i,n,r){let a;nU.subVectors(t,e),nN.subVectors(i,e),nD.crossVectors(nU,nN);let s=this.direction.dot(nD);if(s>0){if(n)return null;a=1}else{if(!(s<0))return null;a=-1,s=-s}nI.subVectors(this.origin,e);let o=a*this.direction.dot(nN.crossVectors(nI,nN));if(o<0)return null;let l=a*this.direction.dot(nU.cross(nI));if(l<0||o+l>s)return null;let h=-a*nI.dot(nD);return h<0?null:this.at(h/s,r)}applyMatrix4(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return new this.constructor().copy(this)}}class nF{constructor(e,t,i,n,r,a,s,o,l,h,u,c,d,p,f,m){nF.prototype.isMatrix4=!0,this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],void 0!==e&&this.set(e,t,i,n,r,a,s,o,l,h,u,c,d,p,f,m)}set(e,t,i,n,r,a,s,o,l,h,u,c,d,p,f,m){let g=this.elements;return g[0]=e,g[4]=t,g[8]=i,g[12]=n,g[1]=r,g[5]=a,g[9]=s,g[13]=o,g[2]=l,g[6]=h,g[10]=u,g[14]=c,g[3]=d,g[7]=p,g[11]=f,g[15]=m,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return new nF().fromArray(this.elements)}copy(e){let t=this.elements,i=e.elements;return t[0]=i[0],t[1]=i[1],t[2]=i[2],t[3]=i[3],t[4]=i[4],t[5]=i[5],t[6]=i[6],t[7]=i[7],t[8]=i[8],t[9]=i[9],t[10]=i[10],t[11]=i[11],t[12]=i[12],t[13]=i[13],t[14]=i[14],t[15]=i[15],this}copyPosition(e){let t=this.elements,i=e.elements;return t[12]=i[12],t[13]=i[13],t[14]=i[14],this}setFromMatrix3(e){let t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,i){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),i.setFromMatrixColumn(this,2),this}makeBasis(e,t,i){return this.set(e.x,t.x,i.x,0,e.y,t.y,i.y,0,e.z,t.z,i.z,0,0,0,0,1),this}extractRotation(e){let t=this.elements,i=e.elements,n=1/nB.setFromMatrixColumn(e,0).length(),r=1/nB.setFromMatrixColumn(e,1).length(),a=1/nB.setFromMatrixColumn(e,2).length();return t[0]=i[0]*n,t[1]=i[1]*n,t[2]=i[2]*n,t[3]=0,t[4]=i[4]*r,t[5]=i[5]*r,t[6]=i[6]*r,t[7]=0,t[8]=i[8]*a,t[9]=i[9]*a,t[10]=i[10]*a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){let t=this.elements,i=e.x,n=e.y,r=e.z,a=Math.cos(i),s=Math.sin(i),o=Math.cos(n),l=Math.sin(n),h=Math.cos(r),u=Math.sin(r);if("XYZ"===e.order){let e=a*h,i=a*u,n=s*h,r=s*u;t[0]=o*h,t[4]=-o*u,t[8]=l,t[1]=i+n*l,t[5]=e-r*l,t[9]=-s*o,t[2]=r-e*l,t[6]=n+i*l,t[10]=a*o}else if("YXZ"===e.order){let e=o*h,i=o*u,n=l*h,r=l*u;t[0]=e+r*s,t[4]=n*s-i,t[8]=a*l,t[1]=a*u,t[5]=a*h,t[9]=-s,t[2]=i*s-n,t[6]=r+e*s,t[10]=a*o}else if("ZXY"===e.order){let e=o*h,i=o*u,n=l*h,r=l*u;t[0]=e-r*s,t[4]=-a*u,t[8]=n+i*s,t[1]=i+n*s,t[5]=a*h,t[9]=r-e*s,t[2]=-a*l,t[6]=s,t[10]=a*o}else if("ZYX"===e.order){let e=a*h,i=a*u,n=s*h,r=s*u;t[0]=o*h,t[4]=n*l-i,t[8]=e*l+r,t[1]=o*u,t[5]=r*l+e,t[9]=i*l-n,t[2]=-l,t[6]=s*o,t[10]=a*o}else if("YZX"===e.order){let e=a*o,i=a*l,n=s*o,r=s*l;t[0]=o*h,t[4]=r-e*u,t[8]=n*u+i,t[1]=u,t[5]=a*h,t[9]=-s*h,t[2]=-l*h,t[6]=i*u+n,t[10]=e-r*u}else if("XZY"===e.order){let e=a*o,i=a*l,n=s*o,r=s*l;t[0]=o*h,t[4]=-u,t[8]=l*h,t[1]=e*u+r,t[5]=a*h,t[9]=i*u-n,t[2]=n*u-i,t[6]=s*h,t[10]=r*u+e}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromQuaternion(e){return this.compose(nk,e,nV)}lookAt(e,t,i){let n=this.elements;return nW.subVectors(e,t),0===nW.lengthSq()&&(nW.z=1),nW.normalize(),nH.crossVectors(i,nW),0===nH.lengthSq()&&(1===Math.abs(i.z)?nW.x+=1e-4:nW.z+=1e-4,nW.normalize(),nH.crossVectors(i,nW)),nH.normalize(),nG.crossVectors(nW,nH),n[0]=nH.x,n[4]=nG.x,n[8]=nW.x,n[1]=nH.y,n[5]=nG.y,n[9]=nW.y,n[2]=nH.z,n[6]=nG.z,n[10]=nW.z,this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){let i=e.elements,n=t.elements,r=this.elements,a=i[0],s=i[4],o=i[8],l=i[12],h=i[1],u=i[5],c=i[9],d=i[13],p=i[2],f=i[6],m=i[10],g=i[14],_=i[3],v=i[7],x=i[11],y=i[15],M=n[0],S=n[4],b=n[8],T=n[12],E=n[1],w=n[5],A=n[9],C=n[13],R=n[2],P=n[6],L=n[10],I=n[14],U=n[3],N=n[7],D=n[11],O=n[15];return r[0]=a*M+s*E+o*R+l*U,r[4]=a*S+s*w+o*P+l*N,r[8]=a*b+s*A+o*L+l*D,r[12]=a*T+s*C+o*I+l*O,r[1]=h*M+u*E+c*R+d*U,r[5]=h*S+u*w+c*P+d*N,r[9]=h*b+u*A+c*L+d*D,r[13]=h*T+u*C+c*I+d*O,r[2]=p*M+f*E+m*R+g*U,r[6]=p*S+f*w+m*P+g*N,r[10]=p*b+f*A+m*L+g*D,r[14]=p*T+f*C+m*I+g*O,r[3]=_*M+v*E+x*R+y*U,r[7]=_*S+v*w+x*P+y*N,r[11]=_*b+v*A+x*L+y*D,r[15]=_*T+v*C+x*I+y*O,this}multiplyScalar(e){let 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(){let e=this.elements,t=e[0],i=e[4],n=e[8],r=e[12],a=e[1],s=e[5],o=e[9],l=e[13],h=e[2],u=e[6],c=e[10],d=e[14],p=e[3];return p*(+r*o*u-n*l*u-r*s*c+i*l*c+n*s*d-i*o*d)+e[7]*(+t*o*d-t*l*c+r*a*c-n*a*d+n*l*h-r*o*h)+e[11]*(+t*l*u-t*s*d-r*a*u+i*a*d+r*s*h-i*l*h)+e[15]*(-n*s*h-t*o*u+t*s*c+n*a*u-i*a*c+i*o*h)}transpose(){let e;let 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(e,t,i){let n=this.elements;return e.isVector3?(n[12]=e.x,n[13]=e.y,n[14]=e.z):(n[12]=e,n[13]=t,n[14]=i),this}invert(){let e=this.elements,t=e[0],i=e[1],n=e[2],r=e[3],a=e[4],s=e[5],o=e[6],l=e[7],h=e[8],u=e[9],c=e[10],d=e[11],p=e[12],f=e[13],m=e[14],g=e[15],_=u*m*l-f*c*l+f*o*d-s*m*d-u*o*g+s*c*g,v=p*c*l-h*m*l-p*o*d+a*m*d+h*o*g-a*c*g,x=h*f*l-p*u*l+p*s*d-a*f*d-h*s*g+a*u*g,y=p*u*o-h*f*o-p*s*c+a*f*c+h*s*m-a*u*m,M=t*_+i*v+n*x+r*y;if(0===M)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);let S=1/M;return e[0]=_*S,e[1]=(f*c*r-u*m*r-f*n*d+i*m*d+u*n*g-i*c*g)*S,e[2]=(s*m*r-f*o*r+f*n*l-i*m*l-s*n*g+i*o*g)*S,e[3]=(u*o*r-s*c*r-u*n*l+i*c*l+s*n*d-i*o*d)*S,e[4]=v*S,e[5]=(h*m*r-p*c*r+p*n*d-t*m*d-h*n*g+t*c*g)*S,e[6]=(p*o*r-a*m*r-p*n*l+t*m*l+a*n*g-t*o*g)*S,e[7]=(a*c*r-h*o*r+h*n*l-t*c*l-a*n*d+t*o*d)*S,e[8]=x*S,e[9]=(p*u*r-h*f*r-p*i*d+t*f*d+h*i*g-t*u*g)*S,e[10]=(a*f*r-p*s*r+p*i*l-t*f*l-a*i*g+t*s*g)*S,e[11]=(h*s*r-a*u*r-h*i*l+t*u*l+a*i*d-t*s*d)*S,e[12]=y*S,e[13]=(h*f*n-p*u*n+p*i*c-t*f*c-h*i*m+t*u*m)*S,e[14]=(p*s*n-a*f*n-p*i*o+t*f*o+a*i*m-t*s*m)*S,e[15]=(a*u*n-h*s*n+h*i*o-t*u*o-a*i*c+t*s*c)*S,this}scale(e){let t=this.elements,i=e.x,n=e.y,r=e.z;return t[0]*=i,t[4]*=n,t[8]*=r,t[1]*=i,t[5]*=n,t[9]*=r,t[2]*=i,t[6]*=n,t[10]*=r,t[3]*=i,t[7]*=n,t[11]*=r,this}getMaxScaleOnAxis(){let e=this.elements;return Math.sqrt(Math.max(e[0]*e[0]+e[1]*e[1]+e[2]*e[2],e[4]*e[4]+e[5]*e[5]+e[6]*e[6],e[8]*e[8]+e[9]*e[9]+e[10]*e[10]))}makeTranslation(e,t,i){return e.isVector3?this.set(1,0,0,e.x,0,1,0,e.y,0,0,1,e.z,0,0,0,1):this.set(1,0,0,e,0,1,0,t,0,0,1,i,0,0,0,1),this}makeRotationX(e){let t=Math.cos(e),i=Math.sin(e);return this.set(1,0,0,0,0,t,-i,0,0,i,t,0,0,0,0,1),this}makeRotationY(e){let t=Math.cos(e),i=Math.sin(e);return this.set(t,0,i,0,0,1,0,0,-i,0,t,0,0,0,0,1),this}makeRotationZ(e){let t=Math.cos(e),i=Math.sin(e);return this.set(t,-i,0,0,i,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){let i=Math.cos(t),n=Math.sin(t),r=1-i,a=e.x,s=e.y,o=e.z,l=r*a,h=r*s;return this.set(l*a+i,l*s-n*o,l*o+n*s,0,l*s+n*o,h*s+i,h*o-n*a,0,l*o-n*s,h*o+n*a,r*o*o+i,0,0,0,0,1),this}makeScale(e,t,i){return this.set(e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1),this}makeShear(e,t,i,n,r,a){return this.set(1,i,r,0,e,1,a,0,t,n,1,0,0,0,0,1),this}compose(e,t,i){let n=this.elements,r=t._x,a=t._y,s=t._z,o=t._w,l=r+r,h=a+a,u=s+s,c=r*l,d=r*h,p=r*u,f=a*h,m=a*u,g=s*u,_=o*l,v=o*h,x=o*u,y=i.x,M=i.y,S=i.z;return n[0]=(1-(f+g))*y,n[1]=(d+x)*y,n[2]=(p-v)*y,n[3]=0,n[4]=(d-x)*M,n[5]=(1-(c+g))*M,n[6]=(m+_)*M,n[7]=0,n[8]=(p+v)*S,n[9]=(m-_)*S,n[10]=(1-(c+f))*S,n[11]=0,n[12]=e.x,n[13]=e.y,n[14]=e.z,n[15]=1,this}decompose(e,t,i){let n=this.elements,r=nB.set(n[0],n[1],n[2]).length(),a=nB.set(n[4],n[5],n[6]).length(),s=nB.set(n[8],n[9],n[10]).length();0>this.determinant()&&(r=-r),e.x=n[12],e.y=n[13],e.z=n[14],nz.copy(this);let o=1/r,l=1/a,h=1/s;return nz.elements[0]*=o,nz.elements[1]*=o,nz.elements[2]*=o,nz.elements[4]*=l,nz.elements[5]*=l,nz.elements[6]*=l,nz.elements[8]*=h,nz.elements[9]*=h,nz.elements[10]*=h,t.setFromRotationMatrix(nz),i.x=r,i.y=a,i.z=s,this}makePerspective(e,t,i,n,r,a,s=iw){let o,l;let h=this.elements;if(s===iw)o=-(a+r)/(a-r),l=-2*a*r/(a-r);else if(s===iA)o=-a/(a-r),l=-a*r/(a-r);else throw Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+s);return h[0]=2*r/(t-e),h[4]=0,h[8]=(t+e)/(t-e),h[12]=0,h[1]=0,h[5]=2*r/(i-n),h[9]=(i+n)/(i-n),h[13]=0,h[2]=0,h[6]=0,h[10]=o,h[14]=l,h[3]=0,h[7]=0,h[11]=-1,h[15]=0,this}makeOrthographic(e,t,i,n,r,a,s=iw){let o,l;let h=this.elements,u=1/(t-e),c=1/(i-n),d=1/(a-r);if(s===iw)o=(a+r)*d,l=-2*d;else if(s===iA)o=r*d,l=-1*d;else throw Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+s);return h[0]=2*u,h[4]=0,h[8]=0,h[12]=-((t+e)*u),h[1]=0,h[5]=2*c,h[9]=0,h[13]=-((i+n)*c),h[2]=0,h[6]=0,h[10]=l,h[14]=-o,h[3]=0,h[7]=0,h[11]=0,h[15]=1,this}equals(e){let t=this.elements,i=e.elements;for(let e=0;e<16;e++)if(t[e]!==i[e])return!1;return!0}fromArray(e,t=0){for(let i=0;i<16;i++)this.elements[i]=e[i+t];return this}toArray(e=[],t=0){let i=this.elements;return e[t]=i[0],e[t+1]=i[1],e[t+2]=i[2],e[t+3]=i[3],e[t+4]=i[4],e[t+5]=i[5],e[t+6]=i[6],e[t+7]=i[7],e[t+8]=i[8],e[t+9]=i[9],e[t+10]=i[10],e[t+11]=i[11],e[t+12]=i[12],e[t+13]=i[13],e[t+14]=i[14],e[t+15]=i[15],e}}let nB=new no,nz=new nF,nk=new no(0,0,0),nV=new no(1,1,1),nH=new no,nG=new no,nW=new no,nX=new nF,nj=new ns;class nq{constructor(e=0,t=0,i=0,n=nq.DEFAULT_ORDER){this.isEuler=!0,this._x=e,this._y=t,this._z=i,this._order=n}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,i,n=this._order){return this._x=e,this._y=t,this._z=i,this._order=n,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this}setFromRotationMatrix(e,t=this._order,i=!0){let n=e.elements,r=n[0],a=n[4],s=n[8],o=n[1],l=n[5],h=n[9],u=n[2],c=n[6],d=n[10];switch(t){case"XYZ":this._y=Math.asin(iN(s,-1,1)),.9999999>Math.abs(s)?(this._x=Math.atan2(-h,d),this._z=Math.atan2(-a,r)):(this._x=Math.atan2(c,l),this._z=0);break;case"YXZ":this._x=Math.asin(-iN(h,-1,1)),.9999999>Math.abs(h)?(this._y=Math.atan2(s,d),this._z=Math.atan2(o,l)):(this._y=Math.atan2(-u,r),this._z=0);break;case"ZXY":this._x=Math.asin(iN(c,-1,1)),.9999999>Math.abs(c)?(this._y=Math.atan2(-u,d),this._z=Math.atan2(-a,l)):(this._y=0,this._z=Math.atan2(o,r));break;case"ZYX":this._y=Math.asin(-iN(u,-1,1)),.9999999>Math.abs(u)?(this._x=Math.atan2(c,d),this._z=Math.atan2(o,r)):(this._x=0,this._z=Math.atan2(-a,l));break;case"YZX":this._z=Math.asin(iN(o,-1,1)),.9999999>Math.abs(o)?(this._x=Math.atan2(-h,l),this._y=Math.atan2(-u,r)):(this._x=0,this._y=Math.atan2(s,d));break;case"XZY":this._z=Math.asin(-iN(a,-1,1)),.9999999>Math.abs(a)?(this._x=Math.atan2(c,l),this._y=Math.atan2(s,r)):(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,!0===i&&this._onChangeCallback(),this}setFromQuaternion(e,t,i){return nX.makeRotationFromQuaternion(e),this.setFromRotationMatrix(nX,t,i)}setFromVector3(e,t=this._order){return this.set(e.x,e.y,e.z,t)}reorder(e){return nj.setFromEuler(this),this.setFromQuaternion(nj,e)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order}fromArray(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(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._order,e}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}nq.DEFAULT_ORDER="XYZ";class nY{constructor(){this.mask=1}set(e){this.mask=(1<<e|0)>>>0}enable(e){this.mask|=1<<e|0}enableAll(){this.mask=-1}toggle(e){this.mask^=1<<e|0}disable(e){this.mask&=~(1<<e|0)}disableAll(){this.mask=0}test(e){return(this.mask&e.mask)!=0}isEnabled(e){return(this.mask&(1<<e|0))!=0}}let nZ=0,nJ=new no,nK=new ns,n$=new nF,nQ=new no,n0=new no,n1=new no,n2=new ns,n3=new no(1,0,0),n4=new no(0,1,0),n5=new no(0,0,1),n6={type:"added"},n8={type:"removed"},n9={type:"childadded",child:null},n7={type:"childremoved",child:null};class re extends iC{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:nZ++}),this.uuid=iU(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=re.DEFAULT_UP.clone();let e=new no,t=new nq,i=new ns,n=new no(1,1,1);t._onChange(function(){i.setFromEuler(t,!1)}),i._onChange(function(){t.setFromQuaternion(i,void 0,!1)}),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:e},rotation:{configurable:!0,enumerable:!0,value:t},quaternion:{configurable:!0,enumerable:!0,value:i},scale:{configurable:!0,enumerable:!0,value:n},modelViewMatrix:{value:new nF},normalMatrix:{value:new iV}}),this.matrix=new nF,this.matrixWorld=new nF,this.matrixAutoUpdate=re.DEFAULT_MATRIX_AUTO_UPDATE,this.matrixWorldAutoUpdate=re.DEFAULT_MATRIX_WORLD_AUTO_UPDATE,this.matrixWorldNeedsUpdate=!1,this.layers=new nY,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.userData={}}onBeforeShadow(){}onAfterShadow(){}onBeforeRender(){}onAfterRender(){}applyMatrix4(e){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(e),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(e){return this.quaternion.premultiply(e),this}setRotationFromAxisAngle(e,t){this.quaternion.setFromAxisAngle(e,t)}setRotationFromEuler(e){this.quaternion.setFromEuler(e,!0)}setRotationFromMatrix(e){this.quaternion.setFromRotationMatrix(e)}setRotationFromQuaternion(e){this.quaternion.copy(e)}rotateOnAxis(e,t){return nK.setFromAxisAngle(e,t),this.quaternion.multiply(nK),this}rotateOnWorldAxis(e,t){return nK.setFromAxisAngle(e,t),this.quaternion.premultiply(nK),this}rotateX(e){return this.rotateOnAxis(n3,e)}rotateY(e){return this.rotateOnAxis(n4,e)}rotateZ(e){return this.rotateOnAxis(n5,e)}translateOnAxis(e,t){return nJ.copy(e).applyQuaternion(this.quaternion),this.position.add(nJ.multiplyScalar(t)),this}translateX(e){return this.translateOnAxis(n3,e)}translateY(e){return this.translateOnAxis(n4,e)}translateZ(e){return this.translateOnAxis(n5,e)}localToWorld(e){return this.updateWorldMatrix(!0,!1),e.applyMatrix4(this.matrixWorld)}worldToLocal(e){return this.updateWorldMatrix(!0,!1),e.applyMatrix4(n$.copy(this.matrixWorld).invert())}lookAt(e,t,i){e.isVector3?nQ.copy(e):nQ.set(e,t,i);let n=this.parent;this.updateWorldMatrix(!0,!1),n0.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?n$.lookAt(n0,nQ,this.up):n$.lookAt(nQ,n0,this.up),this.quaternion.setFromRotationMatrix(n$),n&&(n$.extractRotation(n.matrixWorld),nK.setFromRotationMatrix(n$),this.quaternion.premultiply(nK.invert()))}add(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.add(arguments[e]);return this}return e===this?console.error("THREE.Object3D.add: object can't be added as a child of itself.",e):e&&e.isObject3D?(e.removeFromParent(),e.parent=this,this.children.push(e),e.dispatchEvent(n6),n9.child=e,this.dispatchEvent(n9),n9.child=null):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",e),this}remove(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.remove(arguments[e]);return this}let t=this.children.indexOf(e);return -1!==t&&(e.parent=null,this.children.splice(t,1),e.dispatchEvent(n8),n7.child=e,this.dispatchEvent(n7),n7.child=null),this}removeFromParent(){let e=this.parent;return null!==e&&e.remove(this),this}clear(){return this.remove(...this.children)}attach(e){return this.updateWorldMatrix(!0,!1),n$.copy(this.matrixWorld).invert(),null!==e.parent&&(e.parent.updateWorldMatrix(!0,!1),n$.multiply(e.parent.matrixWorld)),e.applyMatrix4(n$),e.removeFromParent(),e.parent=this,this.children.push(e),e.updateWorldMatrix(!1,!0),e.dispatchEvent(n6),n9.child=e,this.dispatchEvent(n9),n9.child=null,this}getObjectById(e){return this.getObjectByProperty("id",e)}getObjectByName(e){return this.getObjectByProperty("name",e)}getObjectByProperty(e,t){if(this[e]===t)return this;for(let i=0,n=this.children.length;i<n;i++){let n=this.children[i].getObjectByProperty(e,t);if(void 0!==n)return n}}getObjectsByProperty(e,t,i=[]){this[e]===t&&i.push(this);let n=this.children;for(let r=0,a=n.length;r<a;r++)n[r].getObjectsByProperty(e,t,i);return i}getWorldPosition(e){return this.updateWorldMatrix(!0,!1),e.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(n0,e,n1),e}getWorldScale(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(n0,n2,e),e}getWorldDirection(e){this.updateWorldMatrix(!0,!1);let t=this.matrixWorld.elements;return e.set(t[8],t[9],t[10]).normalize()}raycast(){}traverse(e){e(this);let t=this.children;for(let i=0,n=t.length;i<n;i++)t[i].traverse(e)}traverseVisible(e){if(!1===this.visible)return;e(this);let t=this.children;for(let i=0,n=t.length;i<n;i++)t[i].traverseVisible(e)}traverseAncestors(e){let t=this.parent;null!==t&&(e(t),t.traverseAncestors(e))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(e){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||e)&&(null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,e=!0);let t=this.children;for(let i=0,n=t.length;i<n;i++){let n=t[i];(!0===n.matrixWorldAutoUpdate||!0===e)&&n.updateMatrixWorld(e)}}updateWorldMatrix(e,t){let i=this.parent;if(!0===e&&null!==i&&!0===i.matrixWorldAutoUpdate&&i.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),!0===t){let e=this.children;for(let t=0,i=e.length;t<i;t++){let i=e[t];!0===i.matrixWorldAutoUpdate&&i.updateWorldMatrix(!1,!0)}}}toJSON(e){let t=void 0===e||"string"==typeof e,i={};t&&(e={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},i.metadata={version:4.6,type:"Object",generator:"Object3D.toJSON"});let n={};function r(t,i){return void 0===t[i.uuid]&&(t[i.uuid]=i.toJSON(e)),i.uuid}if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),!0===this.castShadow&&(n.castShadow=!0),!0===this.receiveShadow&&(n.receiveShadow=!0),!1===this.visible&&(n.visible=!1),!1===this.frustumCulled&&(n.frustumCulled=!1),0!==this.renderOrder&&(n.renderOrder=this.renderOrder),Object.keys(this.userData).length>0&&(n.userData=this.userData),n.layers=this.layers.mask,n.matrix=this.matrix.toArray(),n.up=this.up.toArray(),!1===this.matrixAutoUpdate&&(n.matrixAutoUpdate=!1),this.isInstancedMesh&&(n.type="InstancedMesh",n.count=this.count,n.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(n.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(n.type="BatchedMesh",n.perObjectFrustumCulled=this.perObjectFrustumCulled,n.sortObjects=this.sortObjects,n.drawRanges=this._drawRanges,n.reservedRanges=this._reservedRanges,n.visibility=this._visibility,n.active=this._active,n.bounds=this._bounds.map(e=>({boxInitialized:e.boxInitialized,boxMin:e.box.min.toArray(),boxMax:e.box.max.toArray(),sphereInitialized:e.sphereInitialized,sphereRadius:e.sphere.radius,sphereCenter:e.sphere.center.toArray()})),n.maxGeometryCount=this._maxGeometryCount,n.maxVertexCount=this._maxVertexCount,n.maxIndexCount=this._maxIndexCount,n.geometryInitialized=this._geometryInitialized,n.geometryCount=this._geometryCount,n.matricesTexture=this._matricesTexture.toJSON(e),null!==this._colorsTexture&&(n.colorsTexture=this._colorsTexture.toJSON(e)),null!==this.boundingSphere&&(n.boundingSphere={center:n.boundingSphere.center.toArray(),radius:n.boundingSphere.radius}),null!==this.boundingBox&&(n.boundingBox={min:n.boundingBox.min.toArray(),max:n.boundingBox.max.toArray()})),this.isScene)this.background&&(this.background.isColor?n.background=this.background.toJSON():this.background.isTexture&&(n.background=this.background.toJSON(e).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(n.environment=this.environment.toJSON(e).uuid);else if(this.isMesh||this.isLine||this.isPoints){n.geometry=r(e.geometries,this.geometry);let t=this.geometry.parameters;if(void 0!==t&&void 0!==t.shapes){let i=t.shapes;if(Array.isArray(i))for(let t=0,n=i.length;t<n;t++){let n=i[t];r(e.shapes,n)}else r(e.shapes,i)}}if(this.isSkinnedMesh&&(n.bindMode=this.bindMode,n.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(r(e.skeletons,this.skeleton),n.skeleton=this.skeleton.uuid)),void 0!==this.material){if(Array.isArray(this.material)){let t=[];for(let i=0,n=this.material.length;i<n;i++)t.push(r(e.materials,this.material[i]));n.material=t}else n.material=r(e.materials,this.material)}if(this.children.length>0){n.children=[];for(let t=0;t<this.children.length;t++)n.children.push(this.children[t].toJSON(e).object)}if(this.animations.length>0){n.animations=[];for(let t=0;t<this.animations.length;t++){let i=this.animations[t];n.animations.push(r(e.animations,i))}}if(t){let t=a(e.geometries),n=a(e.materials),r=a(e.textures),s=a(e.images),o=a(e.shapes),l=a(e.skeletons),h=a(e.animations),u=a(e.nodes);t.length>0&&(i.geometries=t),n.length>0&&(i.materials=n),r.length>0&&(i.textures=r),s.length>0&&(i.images=s),o.length>0&&(i.shapes=o),l.length>0&&(i.skeletons=l),h.length>0&&(i.animations=h),u.length>0&&(i.nodes=u)}return i.object=n,i;function a(e){let t=[];for(let i in e){let n=e[i];delete n.metadata,t.push(n)}return t}}clone(e){return new this.constructor().copy(this,e)}copy(e,t=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,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.matrixWorldAutoUpdate=e.matrixWorldAutoUpdate,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.animations=e.animations.slice(),this.userData=JSON.parse(JSON.stringify(e.userData)),!0===t)for(let t=0;t<e.children.length;t++){let i=e.children[t];this.add(i.clone())}return this}}re.DEFAULT_UP=new no(0,1,0),re.DEFAULT_MATRIX_AUTO_UPDATE=!0,re.DEFAULT_MATRIX_WORLD_AUTO_UPDATE=!0;let rt=new no,ri=new no,rn=new no,rr=new no,ra=new no,rs=new no,ro=new no,rl=new no,rh=new no,ru=new no;class rc{constructor(e=new no,t=new no,i=new no){this.a=e,this.b=t,this.c=i}static getNormal(e,t,i,n){n.subVectors(i,t),rt.subVectors(e,t),n.cross(rt);let r=n.lengthSq();return r>0?n.multiplyScalar(1/Math.sqrt(r)):n.set(0,0,0)}static getBarycoord(e,t,i,n,r){rt.subVectors(n,t),ri.subVectors(i,t),rn.subVectors(e,t);let a=rt.dot(rt),s=rt.dot(ri),o=rt.dot(rn),l=ri.dot(ri),h=ri.dot(rn),u=a*l-s*s;if(0===u)return r.set(0,0,0),null;let c=1/u,d=(l*o-s*h)*c,p=(a*h-s*o)*c;return r.set(1-d-p,p,d)}static containsPoint(e,t,i,n){return null!==this.getBarycoord(e,t,i,n,rr)&&rr.x>=0&&rr.y>=0&&rr.x+rr.y<=1}static getInterpolation(e,t,i,n,r,a,s,o){return null===this.getBarycoord(e,t,i,n,rr)?(o.x=0,o.y=0,"z"in o&&(o.z=0),"w"in o&&(o.w=0),null):(o.setScalar(0),o.addScaledVector(r,rr.x),o.addScaledVector(a,rr.y),o.addScaledVector(s,rr.z),o)}static isFrontFacing(e,t,i,n){return rt.subVectors(i,t),ri.subVectors(e,t),0>rt.cross(ri).dot(n)}set(e,t,i){return this.a.copy(e),this.b.copy(t),this.c.copy(i),this}setFromPointsAndIndices(e,t,i,n){return this.a.copy(e[t]),this.b.copy(e[i]),this.c.copy(e[n]),this}setFromAttributeAndIndices(e,t,i,n){return this.a.fromBufferAttribute(e,t),this.b.fromBufferAttribute(e,i),this.c.fromBufferAttribute(e,n),this}clone(){return new this.constructor().copy(this)}copy(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this}getArea(){return rt.subVectors(this.c,this.b),ri.subVectors(this.a,this.b),.5*rt.cross(ri).length()}getMidpoint(e){return e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return rc.getNormal(this.a,this.b,this.c,e)}getPlane(e){return e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return rc.getBarycoord(e,this.a,this.b,this.c,t)}getInterpolation(e,t,i,n,r){return rc.getInterpolation(e,this.a,this.b,this.c,t,i,n,r)}containsPoint(e){return rc.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return rc.isFrontFacing(this.a,this.b,this.c,e)}intersectsBox(e){return e.intersectsTriangle(this)}closestPointToPoint(e,t){let i,n;let r=this.a,a=this.b,s=this.c;ra.subVectors(a,r),rs.subVectors(s,r),rl.subVectors(e,r);let o=ra.dot(rl),l=rs.dot(rl);if(o<=0&&l<=0)return t.copy(r);rh.subVectors(e,a);let h=ra.dot(rh),u=rs.dot(rh);if(h>=0&&u<=h)return t.copy(a);let c=o*u-h*l;if(c<=0&&o>=0&&h<=0)return i=o/(o-h),t.copy(r).addScaledVector(ra,i);ru.subVectors(e,s);let d=ra.dot(ru),p=rs.dot(ru);if(p>=0&&d<=p)return t.copy(s);let f=d*l-o*p;if(f<=0&&l>=0&&p<=0)return n=l/(l-p),t.copy(r).addScaledVector(rs,n);let m=h*p-d*u;if(m<=0&&u-h>=0&&d-p>=0)return ro.subVectors(s,a),n=(u-h)/(u-h+(d-p)),t.copy(a).addScaledVector(ro,n);let g=1/(m+f+c);return i=f*g,n=c*g,t.copy(r).addScaledVector(ra,i).addScaledVector(rs,n)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}}let rd={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},rp={h:0,s:0,l:0},rf={h:0,s:0,l:0};function rm(e,t,i){return(i<0&&(i+=1),i>1&&(i-=1),i<1/6)?e+(t-e)*6*i:i<.5?t:i<2/3?e+(t-e)*6*(2/3-i):e}class rg{constructor(e,t,i){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(e,t,i)}set(e,t,i){return void 0===t&&void 0===i?e&&e.isColor?this.copy(e):"number"==typeof e?this.setHex(e):"string"==typeof e&&this.setStyle(e):this.setRGB(e,t,i),this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e,t=tX){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(255&e)/255,i0.toWorkingColorSpace(this,t),this}setRGB(e,t,i,n=i0.workingColorSpace){return this.r=e,this.g=t,this.b=i,i0.toWorkingColorSpace(this,n),this}setHSL(e,t,i,n=i0.workingColorSpace){if(e=iD(e,1),t=iN(t,0,1),i=iN(i,0,1),0===t)this.r=this.g=this.b=i;else{let n=i<=.5?i*(1+t):i+t-i*t,r=2*i-n;this.r=rm(r,n,e+1/3),this.g=rm(r,n,e),this.b=rm(r,n,e-1/3)}return i0.toWorkingColorSpace(this,n),this}setStyle(e,t=tX){let i;function n(t){void 0!==t&&1>parseFloat(t)&&console.warn("THREE.Color: Alpha component of "+e+" will be ignored.")}if(i=/^(\w+)\(([^\)]*)\)/.exec(e)){let r;let a=i[1],s=i[2];switch(a){case"rgb":case"rgba":if(r=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(s))return n(r[4]),this.setRGB(Math.min(255,parseInt(r[1],10))/255,Math.min(255,parseInt(r[2],10))/255,Math.min(255,parseInt(r[3],10))/255,t);if(r=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(s))return n(r[4]),this.setRGB(Math.min(100,parseInt(r[1],10))/100,Math.min(100,parseInt(r[2],10))/100,Math.min(100,parseInt(r[3],10))/100,t);break;case"hsl":case"hsla":if(r=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(s))return n(r[4]),this.setHSL(parseFloat(r[1])/360,parseFloat(r[2])/100,parseFloat(r[3])/100,t);break;default:console.warn("THREE.Color: Unknown color model "+e)}}else if(i=/^\#([A-Fa-f\d]+)$/.exec(e)){let n=i[1],r=n.length;if(3===r)return this.setRGB(parseInt(n.charAt(0),16)/15,parseInt(n.charAt(1),16)/15,parseInt(n.charAt(2),16)/15,t);if(6===r)return this.setHex(parseInt(n,16),t);console.warn("THREE.Color: Invalid hex color "+e)}else if(e&&e.length>0)return this.setColorName(e,t);return this}setColorName(e,t=tX){let i=rd[e.toLowerCase()];return void 0!==i?this.setHex(i,t):console.warn("THREE.Color: Unknown color "+e),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(e){return this.r=e.r,this.g=e.g,this.b=e.b,this}copySRGBToLinear(e){return this.r=i1(e.r),this.g=i1(e.g),this.b=i1(e.b),this}copyLinearToSRGB(e){return this.r=i2(e.r),this.g=i2(e.g),this.b=i2(e.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(e=tX){return i0.fromWorkingColorSpace(r_.copy(this),e),65536*Math.round(iN(255*r_.r,0,255))+256*Math.round(iN(255*r_.g,0,255))+Math.round(iN(255*r_.b,0,255))}getHexString(e=tX){return("000000"+this.getHex(e).toString(16)).slice(-6)}getHSL(e,t=i0.workingColorSpace){let i,n;i0.fromWorkingColorSpace(r_.copy(this),t);let r=r_.r,a=r_.g,s=r_.b,o=Math.max(r,a,s),l=Math.min(r,a,s),h=(l+o)/2;if(l===o)i=0,n=0;else{let e=o-l;switch(n=h<=.5?e/(o+l):e/(2-o-l),o){case r:i=(a-s)/e+(a<s?6:0);break;case a:i=(s-r)/e+2;break;case s:i=(r-a)/e+4}i/=6}return e.h=i,e.s=n,e.l=h,e}getRGB(e,t=i0.workingColorSpace){return i0.fromWorkingColorSpace(r_.copy(this),t),e.r=r_.r,e.g=r_.g,e.b=r_.b,e}getStyle(e=tX){i0.fromWorkingColorSpace(r_.copy(this),e);let t=r_.r,i=r_.g,n=r_.b;return e!==tX?`color(${e} ${t.toFixed(3)} ${i.toFixed(3)} ${n.toFixed(3)})`:`rgb(${Math.round(255*t)},${Math.round(255*i)},${Math.round(255*n)})`}offsetHSL(e,t,i){return this.getHSL(rp),this.setHSL(rp.h+e,rp.s+t,rp.l+i)}add(e){return this.r+=e.r,this.g+=e.g,this.b+=e.b,this}addColors(e,t){return this.r=e.r+t.r,this.g=e.g+t.g,this.b=e.b+t.b,this}addScalar(e){return this.r+=e,this.g+=e,this.b+=e,this}sub(e){return this.r=Math.max(0,this.r-e.r),this.g=Math.max(0,this.g-e.g),this.b=Math.max(0,this.b-e.b),this}multiply(e){return this.r*=e.r,this.g*=e.g,this.b*=e.b,this}multiplyScalar(e){return this.r*=e,this.g*=e,this.b*=e,this}lerp(e,t){return this.r+=(e.r-this.r)*t,this.g+=(e.g-this.g)*t,this.b+=(e.b-this.b)*t,this}lerpColors(e,t,i){return this.r=e.r+(t.r-e.r)*i,this.g=e.g+(t.g-e.g)*i,this.b=e.b+(t.b-e.b)*i,this}lerpHSL(e,t){this.getHSL(rp),e.getHSL(rf);let i=iO(rp.h,rf.h,t),n=iO(rp.s,rf.s,t),r=iO(rp.l,rf.l,t);return this.setHSL(i,n,r),this}setFromVector3(e){return this.r=e.x,this.g=e.y,this.b=e.z,this}applyMatrix3(e){let t=this.r,i=this.g,n=this.b,r=e.elements;return this.r=r[0]*t+r[3]*i+r[6]*n,this.g=r[1]*t+r[4]*i+r[7]*n,this.b=r[2]*t+r[5]*i+r[8]*n,this}equals(e){return e.r===this.r&&e.g===this.g&&e.b===this.b}fromArray(e,t=0){return this.r=e[t],this.g=e[t+1],this.b=e[t+2],this}toArray(e=[],t=0){return e[t]=this.r,e[t+1]=this.g,e[t+2]=this.b,e}fromBufferAttribute(e,t){return this.r=e.getX(t),this.g=e.getY(t),this.b=e.getZ(t),this}toJSON(){return this.getHex()}*[Symbol.iterator](){yield this.r,yield this.g,yield this.b}}let r_=new rg;rg.NAMES=rd;let rv=0;class rx extends iC{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:rv++}),this.uuid=iU(),this.name="",this.type="Material",this.blending=b,this.side=x,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.alphaHash=!1,this.blendSrc=F,this.blendDst=B,this.blendEquation=C,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.blendColor=new rg(0,0,0),this.blendAlpha=0,this.depthFunc=K,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=ia,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=t0,this.stencilZFail=t0,this.stencilZPass=t0,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.forceSinglePass=!1,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(e){this._alphaTest>0!=e>0&&this.version++,this._alphaTest=e}onBuild(){}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(e){if(void 0!==e)for(let t in e){let i=e[t];if(void 0===i){console.warn(`THREE.Material: parameter '${t}' has value of undefined.`);continue}let n=this[t];if(void 0===n){console.warn(`THREE.Material: '${t}' is not a property of THREE.${this.type}.`);continue}n&&n.isColor?n.set(i):n&&n.isVector3&&i&&i.isVector3?n.copy(i):this[t]=i}}toJSON(e){let t=void 0===e||"string"==typeof e;t&&(e={textures:{},images:{}});let i={metadata:{version:4.6,type:"Material",generator:"Material.toJSON"}};function n(e){let t=[];for(let i in e){let n=e[i];delete n.metadata,t.push(n)}return t}if(i.uuid=this.uuid,i.type=this.type,""!==this.name&&(i.name=this.name),this.color&&this.color.isColor&&(i.color=this.color.getHex()),void 0!==this.roughness&&(i.roughness=this.roughness),void 0!==this.metalness&&(i.metalness=this.metalness),void 0!==this.sheen&&(i.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(i.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(i.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(i.emissive=this.emissive.getHex()),void 0!==this.emissiveIntensity&&1!==this.emissiveIntensity&&(i.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(i.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(i.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(i.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(i.shininess=this.shininess),void 0!==this.clearcoat&&(i.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(i.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(i.clearcoatMap=this.clearcoatMap.toJSON(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(i.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(i.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,i.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),void 0!==this.dispersion&&(i.dispersion=this.dispersion),void 0!==this.iridescence&&(i.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(i.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(i.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(i.iridescenceMap=this.iridescenceMap.toJSON(e).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(i.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(e).uuid),void 0!==this.anisotropy&&(i.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(i.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(i.anisotropyMap=this.anisotropyMap.toJSON(e).uuid),this.map&&this.map.isTexture&&(i.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(i.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(i.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(i.lightMap=this.lightMap.toJSON(e).uuid,i.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(i.aoMap=this.aoMap.toJSON(e).uuid,i.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(i.bumpMap=this.bumpMap.toJSON(e).uuid,i.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(i.normalMap=this.normalMap.toJSON(e).uuid,i.normalMapType=this.normalMapType,i.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(i.displacementMap=this.displacementMap.toJSON(e).uuid,i.displacementScale=this.displacementScale,i.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(i.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(i.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(i.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(i.specularMap=this.specularMap.toJSON(e).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(i.specularIntensityMap=this.specularIntensityMap.toJSON(e).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(i.specularColorMap=this.specularColorMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(i.envMap=this.envMap.toJSON(e).uuid,void 0!==this.combine&&(i.combine=this.combine)),void 0!==this.envMapRotation&&(i.envMapRotation=this.envMapRotation.toArray()),void 0!==this.envMapIntensity&&(i.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(i.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(i.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(i.gradientMap=this.gradientMap.toJSON(e).uuid),void 0!==this.transmission&&(i.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(i.transmissionMap=this.transmissionMap.toJSON(e).uuid),void 0!==this.thickness&&(i.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(i.thicknessMap=this.thicknessMap.toJSON(e).uuid),void 0!==this.attenuationDistance&&this.attenuationDistance!==1/0&&(i.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(i.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(i.size=this.size),null!==this.shadowSide&&(i.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(i.sizeAttenuation=this.sizeAttenuation),this.blending!==b&&(i.blending=this.blending),this.side!==x&&(i.side=this.side),!0===this.vertexColors&&(i.vertexColors=!0),this.opacity<1&&(i.opacity=this.opacity),!0===this.transparent&&(i.transparent=!0),this.blendSrc!==F&&(i.blendSrc=this.blendSrc),this.blendDst!==B&&(i.blendDst=this.blendDst),this.blendEquation!==C&&(i.blendEquation=this.blendEquation),null!==this.blendSrcAlpha&&(i.blendSrcAlpha=this.blendSrcAlpha),null!==this.blendDstAlpha&&(i.blendDstAlpha=this.blendDstAlpha),null!==this.blendEquationAlpha&&(i.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(i.blendColor=this.blendColor.getHex()),0!==this.blendAlpha&&(i.blendAlpha=this.blendAlpha),this.depthFunc!==K&&(i.depthFunc=this.depthFunc),!1===this.depthTest&&(i.depthTest=this.depthTest),!1===this.depthWrite&&(i.depthWrite=this.depthWrite),!1===this.colorWrite&&(i.colorWrite=this.colorWrite),255!==this.stencilWriteMask&&(i.stencilWriteMask=this.stencilWriteMask),this.stencilFunc!==ia&&(i.stencilFunc=this.stencilFunc),0!==this.stencilRef&&(i.stencilRef=this.stencilRef),255!==this.stencilFuncMask&&(i.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==t0&&(i.stencilFail=this.stencilFail),this.stencilZFail!==t0&&(i.stencilZFail=this.stencilZFail),this.stencilZPass!==t0&&(i.stencilZPass=this.stencilZPass),!0===this.stencilWrite&&(i.stencilWrite=this.stencilWrite),void 0!==this.rotation&&0!==this.rotation&&(i.rotation=this.rotation),!0===this.polygonOffset&&(i.polygonOffset=!0),0!==this.polygonOffsetFactor&&(i.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(i.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(i.linewidth=this.linewidth),void 0!==this.dashSize&&(i.dashSize=this.dashSize),void 0!==this.gapSize&&(i.gapSize=this.gapSize),void 0!==this.scale&&(i.scale=this.scale),!0===this.dithering&&(i.dithering=!0),this.alphaTest>0&&(i.alphaTest=this.alphaTest),!0===this.alphaHash&&(i.alphaHash=!0),!0===this.alphaToCoverage&&(i.alphaToCoverage=!0),!0===this.premultipliedAlpha&&(i.premultipliedAlpha=!0),!0===this.forceSinglePass&&(i.forceSinglePass=!0),!0===this.wireframe&&(i.wireframe=!0),this.wireframeLinewidth>1&&(i.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(i.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(i.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(i.flatShading=!0),!1===this.visible&&(i.visible=!1),!1===this.toneMapped&&(i.toneMapped=!1),!1===this.fog&&(i.fog=!1),Object.keys(this.userData).length>0&&(i.userData=this.userData),t){let t=n(e.textures),r=n(e.images);t.length>0&&(i.textures=t),r.length>0&&(i.images=r)}return i}clone(){return new this.constructor().copy(this)}copy(e){this.name=e.name,this.blending=e.blending,this.side=e.side,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.blendColor.copy(e.blendColor),this.blendAlpha=e.blendAlpha,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;let t=e.clippingPlanes,i=null;if(null!==t){let e=t.length;i=Array(e);for(let n=0;n!==e;++n)i[n]=t[n].clone()}return this.clippingPlanes=i,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.alphaHash=e.alphaHash,this.alphaToCoverage=e.alphaToCoverage,this.premultipliedAlpha=e.premultipliedAlpha,this.forceSinglePass=e.forceSinglePass,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(e){!0===e&&this.version++}}class ry extends rx{constructor(e){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new rg(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new nq,this.combine=ei,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(e)}copy(e){return super.copy(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.envMapRotation.copy(e.envMapRotation),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.fog=e.fog,this}}let rM=function(){let e=new ArrayBuffer(4),t=new Float32Array(e),i=new Uint32Array(e),n=new Uint32Array(512),r=new Uint32Array(512);for(let e=0;e<256;++e){let t=e-127;t<-27?(n[e]=0,n[256|e]=32768,r[e]=24,r[256|e]=24):t<-14?(n[e]=1024>>-t-14,n[256|e]=1024>>-t-14|32768,r[e]=-t-1,r[256|e]=-t-1):t<=15?(n[e]=t+15<<10,n[256|e]=t+15<<10|32768,r[e]=13,r[256|e]=13):t<128?(n[e]=31744,n[256|e]=64512,r[e]=24,r[256|e]=24):(n[e]=31744,n[256|e]=64512,r[e]=13,r[256|e]=13)}let a=new Uint32Array(2048),s=new Uint32Array(64),o=new Uint32Array(64);for(let e=1;e<1024;++e){let t=e<<13,i=0;for(;(8388608&t)==0;)t<<=1,i-=8388608;t&=-8388609,i+=947912704,a[e]=t|i}for(let e=1024;e<2048;++e)a[e]=939524096+(e-1024<<13);for(let e=1;e<31;++e)s[e]=e<<23;s[31]=1199570944,s[32]=2147483648;for(let e=33;e<63;++e)s[e]=2147483648+(e-32<<23);s[63]=3347054592;for(let e=1;e<64;++e)32!==e&&(o[e]=1024);return{floatView:t,uint32View:i,baseTable:n,shiftTable:r,mantissaTable:a,exponentTable:s,offsetTable:o}}();function rS(e){Math.abs(e)>65504&&console.warn("THREE.DataUtils.toHalfFloat(): Value out of range."),e=iN(e,-65504,65504),rM.floatView[0]=e;let t=rM.uint32View[0],i=t>>23&511;return rM.baseTable[i]+((8388607&t)>>rM.shiftTable[i])}function rb(e){let t=e>>10;return rM.uint32View[0]=rM.mantissaTable[rM.offsetTable[t]+(1023&e)]+rM.exponentTable[t],rM.floatView[0]}let rT={toHalfFloat:rS,fromHalfFloat:rb},rE=new no,rw=new ik;class rA{constructor(e,t,i=!1){if(Array.isArray(e))throw TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,this.name="",this.array=e,this.itemSize=t,this.count=void 0!==e?e.length/t:0,this.normalized=i,this.usage=im,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.gpuType=ek,this.version=0}onUploadCallback(){}set needsUpdate(e){!0===e&&this.version++}get updateRange(){return iZ("THREE.BufferAttribute: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead."),this._updateRange}setUsage(e){return this.usage=e,this}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}copy(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.gpuType=e.gpuType,this}copyAt(e,t,i){e*=this.itemSize,i*=t.itemSize;for(let n=0,r=this.itemSize;n<r;n++)this.array[e+n]=t.array[i+n];return this}copyArray(e){return this.array.set(e),this}applyMatrix3(e){if(2===this.itemSize)for(let t=0,i=this.count;t<i;t++)rw.fromBufferAttribute(this,t),rw.applyMatrix3(e),this.setXY(t,rw.x,rw.y);else if(3===this.itemSize)for(let t=0,i=this.count;t<i;t++)rE.fromBufferAttribute(this,t),rE.applyMatrix3(e),this.setXYZ(t,rE.x,rE.y,rE.z);return this}applyMatrix4(e){for(let t=0,i=this.count;t<i;t++)rE.fromBufferAttribute(this,t),rE.applyMatrix4(e),this.setXYZ(t,rE.x,rE.y,rE.z);return this}applyNormalMatrix(e){for(let t=0,i=this.count;t<i;t++)rE.fromBufferAttribute(this,t),rE.applyNormalMatrix(e),this.setXYZ(t,rE.x,rE.y,rE.z);return this}transformDirection(e){for(let t=0,i=this.count;t<i;t++)rE.fromBufferAttribute(this,t),rE.transformDirection(e),this.setXYZ(t,rE.x,rE.y,rE.z);return this}set(e,t=0){return this.array.set(e,t),this}getComponent(e,t){let i=this.array[e*this.itemSize+t];return this.normalized&&(i=iF(i,this.array)),i}setComponent(e,t,i){return this.normalized&&(i=iB(i,this.array)),this.array[e*this.itemSize+t]=i,this}getX(e){let t=this.array[e*this.itemSize];return this.normalized&&(t=iF(t,this.array)),t}setX(e,t){return this.normalized&&(t=iB(t,this.array)),this.array[e*this.itemSize]=t,this}getY(e){let t=this.array[e*this.itemSize+1];return this.normalized&&(t=iF(t,this.array)),t}setY(e,t){return this.normalized&&(t=iB(t,this.array)),this.array[e*this.itemSize+1]=t,this}getZ(e){let t=this.array[e*this.itemSize+2];return this.normalized&&(t=iF(t,this.array)),t}setZ(e,t){return this.normalized&&(t=iB(t,this.array)),this.array[e*this.itemSize+2]=t,this}getW(e){let t=this.array[e*this.itemSize+3];return this.normalized&&(t=iF(t,this.array)),t}setW(e,t){return this.normalized&&(t=iB(t,this.array)),this.array[e*this.itemSize+3]=t,this}setXY(e,t,i){return e*=this.itemSize,this.normalized&&(t=iB(t,this.array),i=iB(i,this.array)),this.array[e+0]=t,this.array[e+1]=i,this}setXYZ(e,t,i,n){return e*=this.itemSize,this.normalized&&(t=iB(t,this.array),i=iB(i,this.array),n=iB(n,this.array)),this.array[e+0]=t,this.array[e+1]=i,this.array[e+2]=n,this}setXYZW(e,t,i,n,r){return e*=this.itemSize,this.normalized&&(t=iB(t,this.array),i=iB(i,this.array),n=iB(n,this.array),r=iB(r,this.array)),this.array[e+0]=t,this.array[e+1]=i,this.array[e+2]=n,this.array[e+3]=r,this}onUpload(e){return this.onUploadCallback=e,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){let e={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.from(this.array),normalized:this.normalized};return""!==this.name&&(e.name=this.name),this.usage!==im&&(e.usage=this.usage),e}}class rC extends rA{constructor(e,t,i){super(new Int8Array(e),t,i)}}class rR extends rA{constructor(e,t,i){super(new Uint8Array(e),t,i)}}class rP extends rA{constructor(e,t,i){super(new Uint8ClampedArray(e),t,i)}}class rL extends rA{constructor(e,t,i){super(new Int16Array(e),t,i)}}class rI extends rA{constructor(e,t,i){super(new Uint16Array(e),t,i)}}class rU extends rA{constructor(e,t,i){super(new Int32Array(e),t,i)}}class rN extends rA{constructor(e,t,i){super(new Uint32Array(e),t,i)}}class rD extends rA{constructor(e,t,i){super(new Uint16Array(e),t,i),this.isFloat16BufferAttribute=!0}getX(e){let t=rb(this.array[e*this.itemSize]);return this.normalized&&(t=iF(t,this.array)),t}setX(e,t){return this.normalized&&(t=iB(t,this.array)),this.array[e*this.itemSize]=rS(t),this}getY(e){let t=rb(this.array[e*this.itemSize+1]);return this.normalized&&(t=iF(t,this.array)),t}setY(e,t){return this.normalized&&(t=iB(t,this.array)),this.array[e*this.itemSize+1]=rS(t),this}getZ(e){let t=rb(this.array[e*this.itemSize+2]);return this.normalized&&(t=iF(t,this.array)),t}setZ(e,t){return this.normalized&&(t=iB(t,this.array)),this.array[e*this.itemSize+2]=rS(t),this}getW(e){let t=rb(this.array[e*this.itemSize+3]);return this.normalized&&(t=iF(t,this.array)),t}setW(e,t){return this.normalized&&(t=iB(t,this.array)),this.array[e*this.itemSize+3]=rS(t),this}setXY(e,t,i){return e*=this.itemSize,this.normalized&&(t=iB(t,this.array),i=iB(i,this.array)),this.array[e+0]=rS(t),this.array[e+1]=rS(i),this}setXYZ(e,t,i,n){return e*=this.itemSize,this.normalized&&(t=iB(t,this.array),i=iB(i,this.array),n=iB(n,this.array)),this.array[e+0]=rS(t),this.array[e+1]=rS(i),this.array[e+2]=rS(n),this}setXYZW(e,t,i,n,r){return e*=this.itemSize,this.normalized&&(t=iB(t,this.array),i=iB(i,this.array),n=iB(n,this.array),r=iB(r,this.array)),this.array[e+0]=rS(t),this.array[e+1]=rS(i),this.array[e+2]=rS(n),this.array[e+3]=rS(r),this}}class rO extends rA{constructor(e,t,i){super(new Float32Array(e),t,i)}}let rF=0,rB=new nF,rz=new re,rk=new no,rV=new nu,rH=new nu,rG=new no;class rW extends iC{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:rF++}),this.uuid=iU(),this.name="",this.type="BufferGeometry",this.index=null,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}getIndex(){return this.index}setIndex(e){return Array.isArray(e)?this.index=new(iG(e)?rN:rI)(e,1):this.index=e,this}getAttribute(e){return this.attributes[e]}setAttribute(e,t){return this.attributes[e]=t,this}deleteAttribute(e){return delete this.attributes[e],this}hasAttribute(e){return void 0!==this.attributes[e]}addGroup(e,t,i=0){this.groups.push({start:e,count:t,materialIndex:i})}clearGroups(){this.groups=[]}setDrawRange(e,t){this.drawRange.start=e,this.drawRange.count=t}applyMatrix4(e){let t=this.attributes.position;void 0!==t&&(t.applyMatrix4(e),t.needsUpdate=!0);let i=this.attributes.normal;if(void 0!==i){let t=new iV().getNormalMatrix(e);i.applyNormalMatrix(t),i.needsUpdate=!0}let n=this.attributes.tangent;return void 0!==n&&(n.transformDirection(e),n.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this}applyQuaternion(e){return rB.makeRotationFromQuaternion(e),this.applyMatrix4(rB),this}rotateX(e){return rB.makeRotationX(e),this.applyMatrix4(rB),this}rotateY(e){return rB.makeRotationY(e),this.applyMatrix4(rB),this}rotateZ(e){return rB.makeRotationZ(e),this.applyMatrix4(rB),this}translate(e,t,i){return rB.makeTranslation(e,t,i),this.applyMatrix4(rB),this}scale(e,t,i){return rB.makeScale(e,t,i),this.applyMatrix4(rB),this}lookAt(e){return rz.lookAt(e),rz.updateMatrix(),this.applyMatrix4(rz.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(rk).negate(),this.translate(rk.x,rk.y,rk.z),this}setFromPoints(e){let t=[];for(let i=0,n=e.length;i<n;i++){let n=e[i];t.push(n.x,n.y,n.z||0)}return this.setAttribute("position",new rO(t,3)),this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new nu);let e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute){console.error("THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.",this),this.boundingBox.set(new no(-1/0,-1/0,-1/0),new no(Infinity,Infinity,Infinity));return}if(void 0!==e){if(this.boundingBox.setFromBufferAttribute(e),t)for(let e=0,i=t.length;e<i;e++){let i=t[e];rV.setFromBufferAttribute(i),this.morphTargetsRelative?(rG.addVectors(this.boundingBox.min,rV.min),this.boundingBox.expandByPoint(rG),rG.addVectors(this.boundingBox.max,rV.max),this.boundingBox.expandByPoint(rG)):(this.boundingBox.expandByPoint(rV.min),this.boundingBox.expandByPoint(rV.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&console.error('THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)}computeBoundingSphere(){null===this.boundingSphere&&(this.boundingSphere=new nC);let e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute){console.error("THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere.",this),this.boundingSphere.set(new no,1/0);return}if(e){let i=this.boundingSphere.center;if(rV.setFromBufferAttribute(e),t)for(let e=0,i=t.length;e<i;e++){let i=t[e];rH.setFromBufferAttribute(i),this.morphTargetsRelative?(rG.addVectors(rV.min,rH.min),rV.expandByPoint(rG),rG.addVectors(rV.max,rH.max),rV.expandByPoint(rG)):(rV.expandByPoint(rH.min),rV.expandByPoint(rH.max))}rV.getCenter(i);let n=0;for(let t=0,r=e.count;t<r;t++)rG.fromBufferAttribute(e,t),n=Math.max(n,i.distanceToSquared(rG));if(t)for(let r=0,a=t.length;r<a;r++){let a=t[r],s=this.morphTargetsRelative;for(let t=0,r=a.count;t<r;t++)rG.fromBufferAttribute(a,t),s&&(rk.fromBufferAttribute(e,t),rG.add(rk)),n=Math.max(n,i.distanceToSquared(rG))}this.boundingSphere.radius=Math.sqrt(n),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}computeTangents(){let e=this.index,t=this.attributes;if(null===e||void 0===t.position||void 0===t.normal||void 0===t.uv){console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");return}let i=t.position,n=t.normal,r=t.uv;!1===this.hasAttribute("tangent")&&this.setAttribute("tangent",new rA(new Float32Array(4*i.count),4));let a=this.getAttribute("tangent"),s=[],o=[];for(let e=0;e<i.count;e++)s[e]=new no,o[e]=new no;let l=new no,h=new no,u=new no,c=new ik,d=new ik,p=new ik,f=new no,m=new no,g=this.groups;0===g.length&&(g=[{start:0,count:e.count}]);for(let t=0,n=g.length;t<n;++t){let n=g[t],a=n.start,_=n.count;for(let t=a,n=a+_;t<n;t+=3)!function(e,t,n){l.fromBufferAttribute(i,e),h.fromBufferAttribute(i,t),u.fromBufferAttribute(i,n),c.fromBufferAttribute(r,e),d.fromBufferAttribute(r,t),p.fromBufferAttribute(r,n),h.sub(l),u.sub(l),d.sub(c),p.sub(c);let a=1/(d.x*p.y-p.x*d.y);isFinite(a)&&(f.copy(h).multiplyScalar(p.y).addScaledVector(u,-d.y).multiplyScalar(a),m.copy(u).multiplyScalar(d.x).addScaledVector(h,-p.x).multiplyScalar(a),s[e].add(f),s[t].add(f),s[n].add(f),o[e].add(m),o[t].add(m),o[n].add(m))}(e.getX(t+0),e.getX(t+1),e.getX(t+2))}let _=new no,v=new no,x=new no,y=new no;function M(e){x.fromBufferAttribute(n,e),y.copy(x);let t=s[e];_.copy(t),_.sub(x.multiplyScalar(x.dot(t))).normalize(),v.crossVectors(y,t);let i=v.dot(o[e]);a.setXYZW(e,_.x,_.y,_.z,i<0?-1:1)}for(let t=0,i=g.length;t<i;++t){let i=g[t],n=i.start,r=i.count;for(let t=n,i=n+r;t<i;t+=3)M(e.getX(t+0)),M(e.getX(t+1)),M(e.getX(t+2))}}computeVertexNormals(){let e=this.index,t=this.getAttribute("position");if(void 0!==t){let i=this.getAttribute("normal");if(void 0===i)i=new rA(new Float32Array(3*t.count),3),this.setAttribute("normal",i);else for(let e=0,t=i.count;e<t;e++)i.setXYZ(e,0,0,0);let n=new no,r=new no,a=new no,s=new no,o=new no,l=new no,h=new no,u=new no;if(e)for(let c=0,d=e.count;c<d;c+=3){let d=e.getX(c+0),p=e.getX(c+1),f=e.getX(c+2);n.fromBufferAttribute(t,d),r.fromBufferAttribute(t,p),a.fromBufferAttribute(t,f),h.subVectors(a,r),u.subVectors(n,r),h.cross(u),s.fromBufferAttribute(i,d),o.fromBufferAttribute(i,p),l.fromBufferAttribute(i,f),s.add(h),o.add(h),l.add(h),i.setXYZ(d,s.x,s.y,s.z),i.setXYZ(p,o.x,o.y,o.z),i.setXYZ(f,l.x,l.y,l.z)}else for(let e=0,s=t.count;e<s;e+=3)n.fromBufferAttribute(t,e+0),r.fromBufferAttribute(t,e+1),a.fromBufferAttribute(t,e+2),h.subVectors(a,r),u.subVectors(n,r),h.cross(u),i.setXYZ(e+0,h.x,h.y,h.z),i.setXYZ(e+1,h.x,h.y,h.z),i.setXYZ(e+2,h.x,h.y,h.z);this.normalizeNormals(),i.needsUpdate=!0}}normalizeNormals(){let e=this.attributes.normal;for(let t=0,i=e.count;t<i;t++)rG.fromBufferAttribute(e,t),rG.normalize(),e.setXYZ(t,rG.x,rG.y,rG.z)}toNonIndexed(){function e(e,t){let i=e.array,n=e.itemSize,r=e.normalized,a=new i.constructor(t.length*n),s=0,o=0;for(let r=0,l=t.length;r<l;r++){s=e.isInterleavedBufferAttribute?t[r]*e.data.stride+e.offset:t[r]*n;for(let e=0;e<n;e++)a[o++]=i[s++]}return new rA(a,n,r)}if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;let t=new rW,i=this.index.array,n=this.attributes;for(let r in n){let a=e(n[r],i);t.setAttribute(r,a)}let r=this.morphAttributes;for(let n in r){let a=[],s=r[n];for(let t=0,n=s.length;t<n;t++){let n=e(s[t],i);a.push(n)}t.morphAttributes[n]=a}t.morphTargetsRelative=this.morphTargetsRelative;let a=this.groups;for(let e=0,i=a.length;e<i;e++){let i=a[e];t.addGroup(i.start,i.count,i.materialIndex)}return t}toJSON(){let e={metadata:{version:4.6,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};if(e.uuid=this.uuid,e.type=this.type,""!==this.name&&(e.name=this.name),Object.keys(this.userData).length>0&&(e.userData=this.userData),void 0!==this.parameters){let t=this.parameters;for(let i in t)void 0!==t[i]&&(e[i]=t[i]);return e}e.data={attributes:{}};let t=this.index;null!==t&&(e.data.index={type:t.array.constructor.name,array:Array.prototype.slice.call(t.array)});let i=this.attributes;for(let t in i){let n=i[t];e.data.attributes[t]=n.toJSON(e.data)}let n={},r=!1;for(let t in this.morphAttributes){let i=this.morphAttributes[t],a=[];for(let t=0,n=i.length;t<n;t++){let n=i[t];a.push(n.toJSON(e.data))}a.length>0&&(n[t]=a,r=!0)}r&&(e.data.morphAttributes=n,e.data.morphTargetsRelative=this.morphTargetsRelative);let a=this.groups;a.length>0&&(e.data.groups=JSON.parse(JSON.stringify(a)));let s=this.boundingSphere;return null!==s&&(e.data.boundingSphere={center:s.center.toArray(),radius:s.radius}),e}clone(){return new this.constructor().copy(this)}copy(e){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;let t={};this.name=e.name;let i=e.index;null!==i&&this.setIndex(i.clone(t));let n=e.attributes;for(let e in n){let i=n[e];this.setAttribute(e,i.clone(t))}let r=e.morphAttributes;for(let e in r){let i=[],n=r[e];for(let e=0,r=n.length;e<r;e++)i.push(n[e].clone(t));this.morphAttributes[e]=i}this.morphTargetsRelative=e.morphTargetsRelative;let a=e.groups;for(let e=0,t=a.length;e<t;e++){let t=a[e];this.addGroup(t.start,t.count,t.materialIndex)}let s=e.boundingBox;null!==s&&(this.boundingBox=s.clone());let o=e.boundingSphere;return null!==o&&(this.boundingSphere=o.clone()),this.drawRange.start=e.drawRange.start,this.drawRange.count=e.drawRange.count,this.userData=e.userData,this}dispose(){this.dispatchEvent({type:"dispose"})}}let rX=new nF,rj=new nO,rq=new nC,rY=new no,rZ=new no,rJ=new no,rK=new no,r$=new no,rQ=new no,r0=new ik,r1=new ik,r2=new ik,r3=new no,r4=new no,r5=new no,r6=new no,r8=new no;class r9 extends re{constructor(e=new rW,t=new ry){super(),this.isMesh=!0,this.type="Mesh",this.geometry=e,this.material=t,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),void 0!==e.morphTargetInfluences&&(this.morphTargetInfluences=e.morphTargetInfluences.slice()),void 0!==e.morphTargetDictionary&&(this.morphTargetDictionary=Object.assign({},e.morphTargetDictionary)),this.material=Array.isArray(e.material)?e.material.slice():e.material,this.geometry=e.geometry,this}updateMorphTargets(){let e=this.geometry.morphAttributes,t=Object.keys(e);if(t.length>0){let i=e[t[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,t=i.length;e<t;e++){let t=i[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[t]=e}}}}getVertexPosition(e,t){let i=this.geometry,n=i.attributes.position,r=i.morphAttributes.position,a=i.morphTargetsRelative;t.fromBufferAttribute(n,e);let s=this.morphTargetInfluences;if(r&&s){rQ.set(0,0,0);for(let i=0,n=r.length;i<n;i++){let n=s[i],o=r[i];0!==n&&(r$.fromBufferAttribute(o,e),a?rQ.addScaledVector(r$,n):rQ.addScaledVector(r$.sub(t),n))}t.add(rQ)}return t}raycast(e,t){let i=this.geometry,n=this.material,r=this.matrixWorld;if(void 0!==n){if(null===i.boundingSphere&&i.computeBoundingSphere(),rq.copy(i.boundingSphere),rq.applyMatrix4(r),rj.copy(e.ray).recast(e.near),!1===rq.containsPoint(rj.origin)&&(null===rj.intersectSphere(rq,rY)||rj.origin.distanceToSquared(rY)>(e.far-e.near)**2)||(rX.copy(r).invert(),rj.copy(e.ray).applyMatrix4(rX),null!==i.boundingBox&&!1===rj.intersectsBox(i.boundingBox)))return;this._computeIntersections(e,t,rj)}}_computeIntersections(e,t,i){let n;let r=this.geometry,a=this.material,s=r.index,o=r.attributes.position,l=r.attributes.uv,h=r.attributes.uv1,u=r.attributes.normal,c=r.groups,d=r.drawRange;if(null!==s){if(Array.isArray(a))for(let r=0,o=c.length;r<o;r++){let o=c[r],p=a[o.materialIndex],f=Math.max(o.start,d.start),m=Math.min(s.count,Math.min(o.start+o.count,d.start+d.count));for(let r=f;r<m;r+=3)(n=r7(this,p,e,i,l,h,u,s.getX(r),s.getX(r+1),s.getX(r+2)))&&(n.faceIndex=Math.floor(r/3),n.face.materialIndex=o.materialIndex,t.push(n))}else{let r=Math.max(0,d.start),o=Math.min(s.count,d.start+d.count);for(let c=r;c<o;c+=3)(n=r7(this,a,e,i,l,h,u,s.getX(c),s.getX(c+1),s.getX(c+2)))&&(n.faceIndex=Math.floor(c/3),t.push(n))}}else if(void 0!==o){if(Array.isArray(a))for(let r=0,s=c.length;r<s;r++){let s=c[r],p=a[s.materialIndex],f=Math.max(s.start,d.start),m=Math.min(o.count,Math.min(s.start+s.count,d.start+d.count));for(let r=f;r<m;r+=3)(n=r7(this,p,e,i,l,h,u,r,r+1,r+2))&&(n.faceIndex=Math.floor(r/3),n.face.materialIndex=s.materialIndex,t.push(n))}else{let r=Math.max(0,d.start),s=Math.min(o.count,d.start+d.count);for(let o=r;o<s;o+=3)(n=r7(this,a,e,i,l,h,u,o,o+1,o+2))&&(n.faceIndex=Math.floor(o/3),t.push(n))}}}}function r7(e,t,i,n,r,a,s,o,l,h){e.getVertexPosition(o,rZ),e.getVertexPosition(l,rJ),e.getVertexPosition(h,rK);let u=function(e,t,i,n,r,a,s,o){if(null===(t.side===y?n.intersectTriangle(s,a,r,!0,o):n.intersectTriangle(r,a,s,t.side===x,o)))return null;r8.copy(o),r8.applyMatrix4(e.matrixWorld);let l=i.ray.origin.distanceTo(r8);return l<i.near||l>i.far?null:{distance:l,point:r8.clone(),object:e}}(e,t,i,n,rZ,rJ,rK,r6);if(u){r&&(r0.fromBufferAttribute(r,o),r1.fromBufferAttribute(r,l),r2.fromBufferAttribute(r,h),u.uv=rc.getInterpolation(r6,rZ,rJ,rK,r0,r1,r2,new ik)),a&&(r0.fromBufferAttribute(a,o),r1.fromBufferAttribute(a,l),r2.fromBufferAttribute(a,h),u.uv1=rc.getInterpolation(r6,rZ,rJ,rK,r0,r1,r2,new ik)),s&&(r3.fromBufferAttribute(s,o),r4.fromBufferAttribute(s,l),r5.fromBufferAttribute(s,h),u.normal=rc.getInterpolation(r6,rZ,rJ,rK,r3,r4,r5,new no),u.normal.dot(n.direction)>0&&u.normal.multiplyScalar(-1));let e={a:o,b:l,c:h,normal:new no,materialIndex:0};rc.getNormal(rZ,rJ,rK,e.normal),u.face=e}return u}class ae extends rW{constructor(e=1,t=1,i=1,n=1,r=1,a=1){super(),this.type="BoxGeometry",this.parameters={width:e,height:t,depth:i,widthSegments:n,heightSegments:r,depthSegments:a};let s=this;n=Math.floor(n),r=Math.floor(r);let o=[],l=[],h=[],u=[],c=0,d=0;function p(e,t,i,n,r,a,p,f,m,g,_){let v=a/m,x=p/g,y=a/2,M=p/2,S=f/2,b=m+1,T=g+1,E=0,w=0,A=new no;for(let a=0;a<T;a++){let s=a*x-M;for(let o=0;o<b;o++){let c=o*v-y;A[e]=c*n,A[t]=s*r,A[i]=S,l.push(A.x,A.y,A.z),A[e]=0,A[t]=0,A[i]=f>0?1:-1,h.push(A.x,A.y,A.z),u.push(o/m),u.push(1-a/g),E+=1}}for(let e=0;e<g;e++)for(let t=0;t<m;t++){let i=c+t+b*e,n=c+t+b*(e+1),r=c+(t+1)+b*(e+1),a=c+(t+1)+b*e;o.push(i,n,a),o.push(n,r,a),w+=6}s.addGroup(d,w,_),d+=w,c+=E}p("z","y","x",-1,-1,i,t,e,a=Math.floor(a),r,0),p("z","y","x",1,-1,i,t,-e,a,r,1),p("x","z","y",1,1,e,i,t,n,a,2),p("x","z","y",1,-1,e,i,-t,n,a,3),p("x","y","z",1,-1,e,t,i,n,r,4),p("x","y","z",-1,-1,e,t,-i,n,r,5),this.setIndex(o),this.setAttribute("position",new rO(l,3)),this.setAttribute("normal",new rO(h,3)),this.setAttribute("uv",new rO(u,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new ae(e.width,e.height,e.depth,e.widthSegments,e.heightSegments,e.depthSegments)}}function at(e){let t={};for(let i in e)for(let n in t[i]={},e[i]){let r=e[i][n];r&&(r.isColor||r.isMatrix3||r.isMatrix4||r.isVector2||r.isVector3||r.isVector4||r.isTexture||r.isQuaternion)?r.isRenderTargetTexture?(console.warn("UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms()."),t[i][n]=null):t[i][n]=r.clone():Array.isArray(r)?t[i][n]=r.slice():t[i][n]=r}return t}function ai(e){let t={};for(let i=0;i<e.length;i++){let n=at(e[i]);for(let e in n)t[e]=n[e]}return t}function an(e){let t=e.getRenderTarget();return null===t?e.outputColorSpace:!0===t.isXRRenderTarget?t.texture.colorSpace:i0.workingColorSpace}let ar={clone:at,merge:ai};class aa extends rx{constructor(e){super(),this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader="void main() {\n gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",this.fragmentShader="void main() {\n gl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}",this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.forceSinglePass=!0,this.extensions={clipCullDistance:!1,multiDraw:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv1:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,void 0!==e&&this.setValues(e)}copy(e){return super.copy(e),this.fragmentShader=e.fragmentShader,this.vertexShader=e.vertexShader,this.uniforms=at(e.uniforms),this.uniformsGroups=function(e){let t=[];for(let i=0;i<e.length;i++)t.push(e[i].clone());return t}(e.uniformsGroups),this.defines=Object.assign({},e.defines),this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.fog=e.fog,this.lights=e.lights,this.clipping=e.clipping,this.extensions=Object.assign({},e.extensions),this.glslVersion=e.glslVersion,this}toJSON(e){let t=super.toJSON(e);for(let i in t.glslVersion=this.glslVersion,t.uniforms={},this.uniforms){let n=this.uniforms[i].value;n&&n.isTexture?t.uniforms[i]={type:"t",value:n.toJSON(e).uuid}:n&&n.isColor?t.uniforms[i]={type:"c",value:n.getHex()}:n&&n.isVector2?t.uniforms[i]={type:"v2",value:n.toArray()}:n&&n.isVector3?t.uniforms[i]={type:"v3",value:n.toArray()}:n&&n.isVector4?t.uniforms[i]={type:"v4",value:n.toArray()}:n&&n.isMatrix3?t.uniforms[i]={type:"m3",value:n.toArray()}:n&&n.isMatrix4?t.uniforms[i]={type:"m4",value:n.toArray()}:t.uniforms[i]={value:n}}Object.keys(this.defines).length>0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader,t.lights=this.lights,t.clipping=this.clipping;let i={};for(let e in this.extensions)!0===this.extensions[e]&&(i[e]=!0);return Object.keys(i).length>0&&(t.extensions=i),t}}class as extends re{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new nF,this.projectionMatrix=new nF,this.projectionMatrixInverse=new nF,this.coordinateSystem=iw}copy(e,t){return super.copy(e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this.coordinateSystem=e.coordinateSystem,this}getWorldDirection(e){return super.getWorldDirection(e).negate()}updateMatrixWorld(e){super.updateMatrixWorld(e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(e,t){super.updateWorldMatrix(e,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return new this.constructor().copy(this)}}let ao=new no,al=new ik,ah=new ik;class au extends as{constructor(e=50,t=1,i=.1,n=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=e,this.zoom=1,this.near=i,this.far=n,this.focus=10,this.aspect=t,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(e,t){return super.copy(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(e){let t=.5*this.getFilmHeight()/e;this.fov=2*iI*Math.atan(t),this.updateProjectionMatrix()}getFocalLength(){let e=Math.tan(.5*iL*this.fov);return .5*this.getFilmHeight()/e}getEffectiveFOV(){return 2*iI*Math.atan(Math.tan(.5*iL*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(e,t,i){ao.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),t.set(ao.x,ao.y).multiplyScalar(-e/ao.z),ao.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),i.set(ao.x,ao.y).multiplyScalar(-e/ao.z)}getViewSize(e,t){return this.getViewBounds(e,al,ah),t.subVectors(ah,al)}setViewOffset(e,t,i,n,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=i,this.view.offsetY=n,this.view.width=r,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){let e=this.near,t=e*Math.tan(.5*iL*this.fov)/this.zoom,i=2*t,n=this.aspect*i,r=-.5*n,a=this.view;if(null!==this.view&&this.view.enabled){let e=a.fullWidth,s=a.fullHeight;r+=a.offsetX*n/e,t-=a.offsetY*i/s,n*=a.width/e,i*=a.height/s}let s=this.filmOffset;0!==s&&(r+=e*s/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+n,t,t-i,e,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){let t=super.toJSON(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}}class ac extends re{constructor(e,t,i){super(),this.type="CubeCamera",this.renderTarget=i,this.coordinateSystem=null,this.activeMipmapLevel=0;let n=new au(-90,1,e,t);n.layers=this.layers,this.add(n);let r=new au(-90,1,e,t);r.layers=this.layers,this.add(r);let a=new au(-90,1,e,t);a.layers=this.layers,this.add(a);let s=new au(-90,1,e,t);s.layers=this.layers,this.add(s);let o=new au(-90,1,e,t);o.layers=this.layers,this.add(o);let l=new au(-90,1,e,t);l.layers=this.layers,this.add(l)}updateCoordinateSystem(){let e=this.coordinateSystem,t=this.children.concat(),[i,n,r,a,s,o]=t;for(let e of t)this.remove(e);if(e===iw)i.up.set(0,1,0),i.lookAt(1,0,0),n.up.set(0,1,0),n.lookAt(-1,0,0),r.up.set(0,0,-1),r.lookAt(0,1,0),a.up.set(0,0,1),a.lookAt(0,-1,0),s.up.set(0,1,0),s.lookAt(0,0,1),o.up.set(0,1,0),o.lookAt(0,0,-1);else if(e===iA)i.up.set(0,-1,0),i.lookAt(-1,0,0),n.up.set(0,-1,0),n.lookAt(1,0,0),r.up.set(0,0,1),r.lookAt(0,1,0),a.up.set(0,0,-1),a.lookAt(0,-1,0),s.up.set(0,-1,0),s.lookAt(0,0,1),o.up.set(0,-1,0),o.lookAt(0,0,-1);else throw Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+e);for(let e of t)this.add(e),e.updateMatrixWorld()}update(e,t){null===this.parent&&this.updateMatrixWorld();let{renderTarget:i,activeMipmapLevel:n}=this;this.coordinateSystem!==e.coordinateSystem&&(this.coordinateSystem=e.coordinateSystem,this.updateCoordinateSystem());let[r,a,s,o,l,h]=this.children,u=e.getRenderTarget(),c=e.getActiveCubeFace(),d=e.getActiveMipmapLevel(),p=e.xr.enabled;e.xr.enabled=!1;let f=i.texture.generateMipmaps;i.texture.generateMipmaps=!1,e.setRenderTarget(i,0,n),e.render(t,r),e.setRenderTarget(i,1,n),e.render(t,a),e.setRenderTarget(i,2,n),e.render(t,s),e.setRenderTarget(i,3,n),e.render(t,o),e.setRenderTarget(i,4,n),e.render(t,l),i.texture.generateMipmaps=f,e.setRenderTarget(i,5,n),e.render(t,h),e.setRenderTarget(u,c,d),e.xr.enabled=p,i.texture.needsPMREMUpdate=!0}}class ad extends i9{constructor(e,t,i,n,r,a,s,o,l,h){super(e=void 0!==e?e:[],t=void 0!==t?t:eg,i,n,r,a,s,o,l,h),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(e){this.image=e}}class ap extends nt{constructor(e=1,t={}){super(e,e,t),this.isWebGLCubeRenderTarget=!0;let i={width:e,height:e,depth:1};this.texture=new ad([i,i,i,i,i,i],t.mapping,t.wrapS,t.wrapT,t.magFilter,t.minFilter,t.format,t.type,t.anisotropy,t.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.generateMipmaps=void 0!==t.generateMipmaps&&t.generateMipmaps,this.texture.minFilter=void 0!==t.minFilter?t.minFilter:eR}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.colorSpace=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;let i={uniforms:{tEquirect:{value:null}},vertexShader:` 2 3 varying vec3 vWorldDirection; 4 5 vec3 transformDirection( in vec3 dir, in mat4 matrix ) { 6 7 return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz ); 8 9 } 10 11 void main() { 12 13 vWorldDirection = transformDirection( position, modelMatrix ); 14 15 #include <begin_vertex> 16 #include <project_vertex> 17 18 } 19 `,fragmentShader:` 20 21 uniform sampler2D tEquirect; 22 23 varying vec3 vWorldDirection; 24 25 #include <common> 26 27 void main() { 28 29 vec3 direction = normalize( vWorldDirection ); 30 31 vec2 sampleUV = equirectUv( direction ); 32 33 gl_FragColor = texture2D( tEquirect, sampleUV ); 34 35 } 36 `},n=new ae(5,5,5),r=new aa({name:"CubemapFromEquirect",uniforms:at(i.uniforms),vertexShader:i.vertexShader,fragmentShader:i.fragmentShader,side:y,blending:S});r.uniforms.tEquirect.value=t;let a=new r9(n,r),s=t.minFilter;return t.minFilter===eI&&(t.minFilter=eR),new ac(1,10,this).update(e,a),t.minFilter=s,a.geometry.dispose(),a.material.dispose(),this}clear(e,t,i,n){let r=e.getRenderTarget();for(let r=0;r<6;r++)e.setRenderTarget(this,r),e.clear(t,i,n);e.setRenderTarget(r)}}let af=new no,am=new no,ag=new iV;class a_{constructor(e=new no(1,0,0),t=0){this.isPlane=!0,this.normal=e,this.constant=t}set(e,t){return this.normal.copy(e),this.constant=t,this}setComponents(e,t,i,n){return this.normal.set(e,t,i),this.constant=n,this}setFromNormalAndCoplanarPoint(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this}setFromCoplanarPoints(e,t,i){let n=af.subVectors(i,t).cross(am.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(n,e),this}copy(e){return this.normal.copy(e.normal),this.constant=e.constant,this}normalize(){let e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(e){return this.normal.dot(e)+this.constant}distanceToSphere(e){return this.distanceToPoint(e.center)-e.radius}projectPoint(e,t){return t.copy(e).addScaledVector(this.normal,-this.distanceToPoint(e))}intersectLine(e,t){let i=e.delta(af),n=this.normal.dot(i);if(0===n)return 0===this.distanceToPoint(e.start)?t.copy(e.start):null;let r=-(e.start.dot(this.normal)+this.constant)/n;return r<0||r>1?null:t.copy(e.start).addScaledVector(i,r)}intersectsLine(e){let t=this.distanceToPoint(e.start),i=this.distanceToPoint(e.end);return t<0&&i>0||i<0&&t>0}intersectsBox(e){return e.intersectsPlane(this)}intersectsSphere(e){return e.intersectsPlane(this)}coplanarPoint(e){return e.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(e,t){let i=t||ag.getNormalMatrix(e),n=this.coplanarPoint(af).applyMatrix4(e),r=this.normal.applyMatrix3(i).normalize();return this.constant=-n.dot(r),this}translate(e){return this.constant-=e.dot(this.normal),this}equals(e){return e.normal.equals(this.normal)&&e.constant===this.constant}clone(){return new this.constructor().copy(this)}}let av=new nC,ax=new no;class ay{constructor(e=new a_,t=new a_,i=new a_,n=new a_,r=new a_,a=new a_){this.planes=[e,t,i,n,r,a]}set(e,t,i,n,r,a){let s=this.planes;return s[0].copy(e),s[1].copy(t),s[2].copy(i),s[3].copy(n),s[4].copy(r),s[5].copy(a),this}copy(e){let t=this.planes;for(let i=0;i<6;i++)t[i].copy(e.planes[i]);return this}setFromProjectionMatrix(e,t=iw){let i=this.planes,n=e.elements,r=n[0],a=n[1],s=n[2],o=n[3],l=n[4],h=n[5],u=n[6],c=n[7],d=n[8],p=n[9],f=n[10],m=n[11],g=n[12],_=n[13],v=n[14],x=n[15];if(i[0].setComponents(o-r,c-l,m-d,x-g).normalize(),i[1].setComponents(o+r,c+l,m+d,x+g).normalize(),i[2].setComponents(o+a,c+h,m+p,x+_).normalize(),i[3].setComponents(o-a,c-h,m-p,x-_).normalize(),i[4].setComponents(o-s,c-u,m-f,x-v).normalize(),t===iw)i[5].setComponents(o+s,c+u,m+f,x+v).normalize();else if(t===iA)i[5].setComponents(s,u,f,v).normalize();else throw Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+t);return this}intersectsObject(e){if(void 0!==e.boundingSphere)null===e.boundingSphere&&e.computeBoundingSphere(),av.copy(e.boundingSphere).applyMatrix4(e.matrixWorld);else{let t=e.geometry;null===t.boundingSphere&&t.computeBoundingSphere(),av.copy(t.boundingSphere).applyMatrix4(e.matrixWorld)}return this.intersectsSphere(av)}intersectsSprite(e){return av.center.set(0,0,0),av.radius=.7071067811865476,av.applyMatrix4(e.matrixWorld),this.intersectsSphere(av)}intersectsSphere(e){let t=this.planes,i=e.center,n=-e.radius;for(let e=0;e<6;e++)if(t[e].distanceToPoint(i)<n)return!1;return!0}intersectsBox(e){let t=this.planes;for(let i=0;i<6;i++){let n=t[i];if(ax.x=n.normal.x>0?e.max.x:e.min.x,ax.y=n.normal.y>0?e.max.y:e.min.y,ax.z=n.normal.z>0?e.max.z:e.min.z,0>n.distanceToPoint(ax))return!1}return!0}containsPoint(e){let t=this.planes;for(let i=0;i<6;i++)if(0>t[i].distanceToPoint(e))return!1;return!0}clone(){return new this.constructor().copy(this)}}function aM(){let e=null,t=!1,i=null,n=null;function r(t,a){i(t,a),n=e.requestAnimationFrame(r)}return{start:function(){!0!==t&&null!==i&&(n=e.requestAnimationFrame(r),t=!0)},stop:function(){e.cancelAnimationFrame(n),t=!1},setAnimationLoop:function(e){i=e},setContext:function(t){e=t}}}function aS(e){let t=new WeakMap;return{get:function(e){return e.isInterleavedBufferAttribute&&(e=e.data),t.get(e)},remove:function(i){i.isInterleavedBufferAttribute&&(i=i.data);let n=t.get(i);n&&(e.deleteBuffer(n.buffer),t.delete(i))},update:function(i,n){if(i.isGLBufferAttribute){let e=t.get(i);(!e||e.version<i.version)&&t.set(i,{buffer:i.buffer,type:i.type,bytesPerElement:i.elementSize,version:i.version});return}i.isInterleavedBufferAttribute&&(i=i.data);let r=t.get(i);if(void 0===r)t.set(i,function(t,i){let n;let r=t.array,a=t.usage,s=r.byteLength,o=e.createBuffer();if(e.bindBuffer(i,o),e.bufferData(i,r,a),t.onUploadCallback(),r instanceof Float32Array)n=e.FLOAT;else if(r instanceof Uint16Array)n=t.isFloat16BufferAttribute?e.HALF_FLOAT:e.UNSIGNED_SHORT;else if(r instanceof Int16Array)n=e.SHORT;else if(r instanceof Uint32Array)n=e.UNSIGNED_INT;else if(r instanceof Int32Array)n=e.INT;else if(r instanceof Int8Array)n=e.BYTE;else if(r instanceof Uint8Array)n=e.UNSIGNED_BYTE;else if(r instanceof Uint8ClampedArray)n=e.UNSIGNED_BYTE;else throw Error("THREE.WebGLAttributes: Unsupported buffer data format: "+r);return{buffer:o,type:n,bytesPerElement:r.BYTES_PER_ELEMENT,version:t.version,size:s}}(i,n));else if(r.version<i.version){if(r.size!==i.array.byteLength)throw Error("THREE.WebGLAttributes: The size of the buffer attribute's array buffer does not match the original size. Resizing buffer attributes is not supported.");!function(t,i,n){let r=i.array,a=i._updateRange,s=i.updateRanges;if(e.bindBuffer(n,t),-1===a.count&&0===s.length&&e.bufferSubData(n,0,r),0!==s.length){for(let t=0,i=s.length;t<i;t++){let i=s[t];e.bufferSubData(n,i.start*r.BYTES_PER_ELEMENT,r,i.start,i.count)}i.clearUpdateRanges()}-1!==a.count&&(e.bufferSubData(n,a.offset*r.BYTES_PER_ELEMENT,r,a.offset,a.count),a.count=-1),i.onUploadCallback()}(r.buffer,i,n),r.version=i.version}}}}class ab extends rW{constructor(e=1,t=1,i=1,n=1){super(),this.type="PlaneGeometry",this.parameters={width:e,height:t,widthSegments:i,heightSegments:n};let r=e/2,a=t/2,s=Math.floor(i),o=Math.floor(n),l=s+1,h=o+1,u=e/s,c=t/o,d=[],p=[],f=[],m=[];for(let e=0;e<h;e++){let t=e*c-a;for(let i=0;i<l;i++){let n=i*u-r;p.push(n,-t,0),f.push(0,0,1),m.push(i/s),m.push(1-e/o)}}for(let e=0;e<o;e++)for(let t=0;t<s;t++){let i=t+l*e,n=t+l*(e+1),r=t+1+l*(e+1),a=t+1+l*e;d.push(i,n,a),d.push(n,r,a)}this.setIndex(d),this.setAttribute("position",new rO(p,3)),this.setAttribute("normal",new rO(f,3)),this.setAttribute("uv",new rO(m,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new ab(e.width,e.height,e.widthSegments,e.heightSegments)}}let aT={alphahash_fragment:"#ifdef USE_ALPHAHASH\n if ( diffuseColor.a < getAlphaHashThreshold( vPosition ) ) discard;\n#endif",alphahash_pars_fragment:"#ifdef USE_ALPHAHASH\n const float ALPHA_HASH_SCALE = 0.05;\n float hash2D( vec2 value ) {\n return fract( 1.0e4 * sin( 17.0 * value.x + 0.1 * value.y ) * ( 0.1 + abs( sin( 13.0 * value.y + value.x ) ) ) );\n }\n float hash3D( vec3 value ) {\n return hash2D( vec2( hash2D( value.xy ), value.z ) );\n }\n float getAlphaHashThreshold( vec3 position ) {\n float maxDeriv = max(\n length( dFdx( position.xyz ) ),\n length( dFdy( position.xyz ) )\n );\n float pixScale = 1.0 / ( ALPHA_HASH_SCALE * maxDeriv );\n vec2 pixScales = vec2(\n exp2( floor( log2( pixScale ) ) ),\n exp2( ceil( log2( pixScale ) ) )\n );\n vec2 alpha = vec2(\n hash3D( floor( pixScales.x * position.xyz ) ),\n hash3D( floor( pixScales.y * position.xyz ) )\n );\n float lerpFactor = fract( log2( pixScale ) );\n float x = ( 1.0 - lerpFactor ) * alpha.x + lerpFactor * alpha.y;\n float a = min( lerpFactor, 1.0 - lerpFactor );\n vec3 cases = vec3(\n x * x / ( 2.0 * a * ( 1.0 - a ) ),\n ( x - 0.5 * a ) / ( 1.0 - a ),\n 1.0 - ( ( 1.0 - x ) * ( 1.0 - x ) / ( 2.0 * a * ( 1.0 - a ) ) )\n );\n float threshold = ( x < ( 1.0 - a ) )\n ? ( ( x < a ) ? cases.x : cases.y )\n : cases.z;\n return clamp( threshold , 1.0e-6, 1.0 );\n }\n#endif",alphamap_fragment:"#ifdef USE_ALPHAMAP\n diffuseColor.a *= texture2D( alphaMap, vAlphaMapUv ).g;\n#endif",alphamap_pars_fragment:"#ifdef USE_ALPHAMAP\n uniform sampler2D alphaMap;\n#endif",alphatest_fragment:"#ifdef USE_ALPHATEST\n #ifdef ALPHA_TO_COVERAGE\n diffuseColor.a = smoothstep( alphaTest, alphaTest + fwidth( diffuseColor.a ), diffuseColor.a );\n if ( diffuseColor.a == 0.0 ) discard;\n #else\n if ( diffuseColor.a < alphaTest ) discard;\n #endif\n#endif",alphatest_pars_fragment:"#ifdef USE_ALPHATEST\n uniform float alphaTest;\n#endif",aomap_fragment:"#ifdef USE_AOMAP\n float ambientOcclusion = ( texture2D( aoMap, vAoMapUv ).r - 1.0 ) * aoMapIntensity + 1.0;\n reflectedLight.indirectDiffuse *= ambientOcclusion;\n #if defined( USE_CLEARCOAT ) \n clearcoatSpecularIndirect *= ambientOcclusion;\n #endif\n #if defined( USE_SHEEN ) \n sheenSpecularIndirect *= ambientOcclusion;\n #endif\n #if defined( USE_ENVMAP ) && defined( STANDARD )\n float dotNV = saturate( dot( geometryNormal, geometryViewDir ) );\n reflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\n #endif\n#endif",aomap_pars_fragment:"#ifdef USE_AOMAP\n uniform sampler2D aoMap;\n uniform float aoMapIntensity;\n#endif",batching_pars_vertex:"#ifdef USE_BATCHING\n attribute float batchId;\n uniform highp sampler2D batchingTexture;\n mat4 getBatchingMatrix( const in float i ) {\n int size = textureSize( batchingTexture, 0 ).x;\n int j = int( i ) * 4;\n int x = j % size;\n int y = j / size;\n vec4 v1 = texelFetch( batchingTexture, ivec2( x, y ), 0 );\n vec4 v2 = texelFetch( batchingTexture, ivec2( x + 1, y ), 0 );\n vec4 v3 = texelFetch( batchingTexture, ivec2( x + 2, y ), 0 );\n vec4 v4 = texelFetch( batchingTexture, ivec2( x + 3, y ), 0 );\n return mat4( v1, v2, v3, v4 );\n }\n#endif\n#ifdef USE_BATCHING_COLOR\n uniform sampler2D batchingColorTexture;\n vec3 getBatchingColor( const in float i ) {\n int size = textureSize( batchingColorTexture, 0 ).x;\n int j = int( i );\n int x = j % size;\n int y = j / size;\n return texelFetch( batchingColorTexture, ivec2( x, y ), 0 ).rgb;\n }\n#endif",batching_vertex:"#ifdef USE_BATCHING\n mat4 batchingMatrix = getBatchingMatrix( batchId );\n#endif",begin_vertex:"vec3 transformed = vec3( position );\n#ifdef USE_ALPHAHASH\n vPosition = vec3( position );\n#endif",beginnormal_vertex:"vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n vec3 objectTangent = vec3( tangent.xyz );\n#endif",bsdfs:"float G_BlinnPhong_Implicit( ) {\n return 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n return RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\n vec3 halfDir = normalize( lightDir + viewDir );\n float dotNH = saturate( dot( normal, halfDir ) );\n float dotVH = saturate( dot( viewDir, halfDir ) );\n vec3 F = F_Schlick( specularColor, 1.0, dotVH );\n float G = G_BlinnPhong_Implicit( );\n float D = D_BlinnPhong( shininess, dotNH );\n return F * ( G * D );\n} // validated",iridescence_fragment:"#ifdef USE_IRIDESCENCE\n const mat3 XYZ_TO_REC709 = mat3(\n 3.2404542, -0.9692660, 0.0556434,\n -1.5371385, 1.8760108, -0.2040259,\n -0.4985314, 0.0415560, 1.0572252\n );\n vec3 Fresnel0ToIor( vec3 fresnel0 ) {\n vec3 sqrtF0 = sqrt( fresnel0 );\n return ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );\n }\n vec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {\n return pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );\n }\n float IorToFresnel0( float transmittedIor, float incidentIor ) {\n return pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));\n }\n vec3 evalSensitivity( float OPD, vec3 shift ) {\n float phase = 2.0 * PI * OPD * 1.0e-9;\n vec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );\n vec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );\n vec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );\n vec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );\n xyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );\n xyz /= 1.0685e-7;\n vec3 rgb = XYZ_TO_REC709 * xyz;\n return rgb;\n }\n vec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {\n vec3 I;\n float iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );\n float sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );\n float cosTheta2Sq = 1.0 - sinTheta2Sq;\n if ( cosTheta2Sq < 0.0 ) {\n return vec3( 1.0 );\n }\n float cosTheta2 = sqrt( cosTheta2Sq );\n float R0 = IorToFresnel0( iridescenceIOR, outsideIOR );\n float R12 = F_Schlick( R0, 1.0, cosTheta1 );\n float T121 = 1.0 - R12;\n float phi12 = 0.0;\n if ( iridescenceIOR < outsideIOR ) phi12 = PI;\n float phi21 = PI - phi12;\n vec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) ); vec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );\n vec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );\n vec3 phi23 = vec3( 0.0 );\n if ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;\n if ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;\n if ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;\n float OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;\n vec3 phi = vec3( phi21 ) + phi23;\n vec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );\n vec3 r123 = sqrt( R123 );\n vec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );\n vec3 C0 = R12 + Rs;\n I = C0;\n vec3 Cm = Rs - T121;\n for ( int m = 1; m <= 2; ++ m ) {\n Cm *= r123;\n vec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );\n I += Cm * Sm;\n }\n return max( I, vec3( 0.0 ) );\n }\n#endif",bumpmap_pars_fragment:"#ifdef USE_BUMPMAP\n uniform sampler2D bumpMap;\n uniform float bumpScale;\n vec2 dHdxy_fwd() {\n vec2 dSTdx = dFdx( vBumpMapUv );\n vec2 dSTdy = dFdy( vBumpMapUv );\n float Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x;\n float dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll;\n float dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdy ).x - Hll;\n return vec2( dBx, dBy );\n }\n vec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n vec3 vSigmaX = normalize( dFdx( surf_pos.xyz ) );\n vec3 vSigmaY = normalize( dFdy( surf_pos.xyz ) );\n vec3 vN = surf_norm;\n vec3 R1 = cross( vSigmaY, vN );\n vec3 R2 = cross( vN, vSigmaX );\n float fDet = dot( vSigmaX, R1 ) * faceDirection;\n vec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n return normalize( abs( fDet ) * surf_norm - vGrad );\n }\n#endif",clipping_planes_fragment:"#if NUM_CLIPPING_PLANES > 0\n vec4 plane;\n #ifdef ALPHA_TO_COVERAGE\n float distanceToPlane, distanceGradient;\n float clipOpacity = 1.0;\n #pragma unroll_loop_start\n for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n plane = clippingPlanes[ i ];\n distanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n distanceGradient = fwidth( distanceToPlane ) / 2.0;\n clipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n if ( clipOpacity == 0.0 ) discard;\n }\n #pragma unroll_loop_end\n #if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n float unionClipOpacity = 1.0;\n #pragma unroll_loop_start\n for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n plane = clippingPlanes[ i ];\n distanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;\n distanceGradient = fwidth( distanceToPlane ) / 2.0;\n unionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );\n }\n #pragma unroll_loop_end\n clipOpacity *= 1.0 - unionClipOpacity;\n #endif\n diffuseColor.a *= clipOpacity;\n if ( diffuseColor.a == 0.0 ) discard;\n #else\n #pragma unroll_loop_start\n for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n plane = clippingPlanes[ i ];\n if ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n }\n #pragma unroll_loop_end\n #if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n bool clipped = true;\n #pragma unroll_loop_start\n for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n plane = clippingPlanes[ i ];\n clipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n }\n #pragma unroll_loop_end\n if ( clipped ) discard;\n #endif\n #endif\n#endif",clipping_planes_pars_fragment:"#if NUM_CLIPPING_PLANES > 0\n varying vec3 vClipPosition;\n uniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",clipping_planes_pars_vertex:"#if NUM_CLIPPING_PLANES > 0\n varying vec3 vClipPosition;\n#endif",clipping_planes_vertex:"#if NUM_CLIPPING_PLANES > 0\n vClipPosition = - mvPosition.xyz;\n#endif",color_fragment:"#if defined( USE_COLOR_ALPHA )\n diffuseColor *= vColor;\n#elif defined( USE_COLOR )\n diffuseColor.rgb *= vColor;\n#endif",color_pars_fragment:"#if defined( USE_COLOR_ALPHA )\n varying vec4 vColor;\n#elif defined( USE_COLOR )\n varying vec3 vColor;\n#endif",color_pars_vertex:"#if defined( USE_COLOR_ALPHA )\n varying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n varying vec3 vColor;\n#endif",color_vertex:"#if defined( USE_COLOR_ALPHA )\n vColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )\n vColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n vColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n vColor.xyz *= instanceColor.xyz;\n#endif\n#ifdef USE_BATCHING_COLOR\n vec3 batchingColor = getBatchingColor( batchId );\n vColor.xyz *= batchingColor.xyz;\n#endif",common:"#define PI 3.141592653589793\n#define PI2 6.283185307179586\n#define PI_HALF 1.5707963267948966\n#define RECIPROCAL_PI 0.3183098861837907\n#define RECIPROCAL_PI2 0.15915494309189535\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; }\nvec3 pow2( const in vec3 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 max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }\nfloat average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }\nhighp float rand( const in vec2 uv ) {\n const highp float a = 12.9898, b = 78.233, c = 43758.5453;\n highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n return fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n float precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n float precisionSafeLength( vec3 v ) {\n float maxComponent = max3( abs( v ) );\n return length( v / maxComponent ) * maxComponent;\n }\n#endif\nstruct IncidentLight {\n vec3 color;\n vec3 direction;\n bool visible;\n};\nstruct ReflectedLight {\n vec3 directDiffuse;\n vec3 directSpecular;\n vec3 indirectDiffuse;\n vec3 indirectSpecular;\n};\n#ifdef USE_ALPHAHASH\n varying vec3 vPosition;\n#endif\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nmat3 transposeMat3( const in mat3 m ) {\n mat3 tmp;\n tmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n tmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n tmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n return tmp;\n}\nfloat luminance( const in vec3 rgb ) {\n const vec3 weights = vec3( 0.2126729, 0.7151522, 0.0721750 );\n return dot( weights, rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n return m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n float u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n float v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n return vec2( u, v );\n}\nvec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n return RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\n float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n} // validated",cube_uv_reflection_fragment:"#ifdef ENVMAP_TYPE_CUBE_UV\n #define cubeUV_minMipLevel 4.0\n #define cubeUV_minTileSize 16.0\n float 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 }\n vec2 getUV( vec3 direction, float face ) {\n vec2 uv;\n if ( face == 0.0 ) {\n uv = vec2( direction.z, direction.y ) / abs( direction.x );\n } else if ( face == 1.0 ) {\n uv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n } else if ( face == 2.0 ) {\n uv = vec2( - direction.x, direction.y ) / abs( direction.z );\n } else if ( face == 3.0 ) {\n uv = vec2( - direction.z, direction.y ) / abs( direction.x );\n } else if ( face == 4.0 ) {\n uv = vec2( - direction.x, direction.z ) / abs( direction.y );\n } else {\n uv = vec2( direction.x, direction.y ) / abs( direction.z );\n }\n return 0.5 * ( uv + 1.0 );\n }\n vec3 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 highp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\n if ( face > 2.0 ) {\n uv.y += faceSize;\n face -= 3.0;\n }\n uv.x += face * faceSize;\n uv.x += filterInt * 3.0 * cubeUV_minTileSize;\n uv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n uv.x *= CUBEUV_TEXEL_WIDTH;\n uv.y *= CUBEUV_TEXEL_HEIGHT;\n #ifdef texture2DGradEXT\n return texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n #else\n return texture2D( envMap, uv ).rgb;\n #endif\n }\n #define cubeUV_r0 1.0\n #define cubeUV_m0 - 2.0\n #define cubeUV_r1 0.8\n #define cubeUV_m1 - 1.0\n #define cubeUV_r4 0.4\n #define cubeUV_m4 2.0\n #define cubeUV_r5 0.305\n #define cubeUV_m5 3.0\n #define cubeUV_r6 0.21\n #define cubeUV_m6 4.0\n float roughnessToMip( float roughness ) {\n float mip = 0.0;\n if ( roughness >= cubeUV_r1 ) {\n mip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\n } else if ( roughness >= cubeUV_r4 ) {\n mip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\n } else if ( roughness >= cubeUV_r5 ) {\n mip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\n } else if ( roughness >= cubeUV_r6 ) {\n mip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;\n } else {\n mip = - 2.0 * log2( 1.16 * roughness ); }\n return mip;\n }\n vec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n float mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );\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_TANGENT\n vec3 transformedTangent = objectTangent;\n#endif\n#ifdef USE_BATCHING\n mat3 bm = mat3( batchingMatrix );\n transformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );\n transformedNormal = bm * transformedNormal;\n #ifdef USE_TANGENT\n transformedTangent = bm * transformedTangent;\n #endif\n#endif\n#ifdef USE_INSTANCING\n mat3 im = mat3( instanceMatrix );\n transformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );\n transformedNormal = im * transformedNormal;\n #ifdef USE_TANGENT\n transformedTangent = im * transformedTangent;\n #endif\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n transformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n transformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz;\n #ifdef FLIP_SIDED\n transformedTangent = - transformedTangent;\n #endif\n#endif",displacementmap_pars_vertex:"#ifdef USE_DISPLACEMENTMAP\n uniform sampler2D displacementMap;\n uniform float displacementScale;\n uniform float displacementBias;\n#endif",displacementmap_vertex:"#ifdef USE_DISPLACEMENTMAP\n transformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );\n#endif",emissivemap_fragment:"#ifdef USE_EMISSIVEMAP\n vec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\n totalEmissiveRadiance *= emissiveColor.rgb;\n#endif",emissivemap_pars_fragment:"#ifdef USE_EMISSIVEMAP\n uniform sampler2D emissiveMap;\n#endif",colorspace_fragment:"gl_FragColor = linearToOutputTexel( gl_FragColor );",colorspace_pars_fragment:"\nconst mat3 LINEAR_SRGB_TO_LINEAR_DISPLAY_P3 = mat3(\n vec3( 0.8224621, 0.177538, 0.0 ),\n vec3( 0.0331941, 0.9668058, 0.0 ),\n vec3( 0.0170827, 0.0723974, 0.9105199 )\n);\nconst mat3 LINEAR_DISPLAY_P3_TO_LINEAR_SRGB = mat3(\n vec3( 1.2249401, - 0.2249404, 0.0 ),\n vec3( - 0.0420569, 1.0420571, 0.0 ),\n vec3( - 0.0196376, - 0.0786361, 1.0982735 )\n);\nvec4 LinearSRGBToLinearDisplayP3( in vec4 value ) {\n return vec4( value.rgb * LINEAR_SRGB_TO_LINEAR_DISPLAY_P3, value.a );\n}\nvec4 LinearDisplayP3ToLinearSRGB( in vec4 value ) {\n return vec4( value.rgb * LINEAR_DISPLAY_P3_TO_LINEAR_SRGB, value.a );\n}\nvec4 LinearTransferOETF( in vec4 value ) {\n return value;\n}\nvec4 sRGBTransferOETF( in vec4 value ) {\n return 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 LinearToLinear( in vec4 value ) {\n return value;\n}\nvec4 LinearTosRGB( in vec4 value ) {\n return sRGBTransferOETF( value );\n}",envmap_fragment:"#ifdef USE_ENVMAP\n #ifdef ENV_WORLDPOS\n vec3 cameraToFrag;\n if ( isOrthographic ) {\n cameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n } else {\n cameraToFrag = normalize( vWorldPosition - cameraPosition );\n }\n vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n #ifdef ENVMAP_MODE_REFLECTION\n vec3 reflectVec = reflect( cameraToFrag, worldNormal );\n #else\n vec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n #endif\n #else\n vec3 reflectVec = vReflect;\n #endif\n #ifdef ENVMAP_TYPE_CUBE\n vec4 envColor = textureCube( envMap, envMapRotation * vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n #else\n vec4 envColor = vec4( 0.0 );\n #endif\n #ifdef ENVMAP_BLENDING_MULTIPLY\n outgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n #elif defined( ENVMAP_BLENDING_MIX )\n outgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n #elif defined( ENVMAP_BLENDING_ADD )\n outgoingLight += envColor.xyz * specularStrength * reflectivity;\n #endif\n#endif",envmap_common_pars_fragment:"#ifdef USE_ENVMAP\n uniform float envMapIntensity;\n uniform float flipEnvMap;\n uniform mat3 envMapRotation;\n #ifdef ENVMAP_TYPE_CUBE\n uniform samplerCube envMap;\n #else\n uniform sampler2D envMap;\n #endif\n \n#endif",envmap_pars_fragment:"#ifdef USE_ENVMAP\n uniform float reflectivity;\n #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n #define ENV_WORLDPOS\n #endif\n #ifdef ENV_WORLDPOS\n varying vec3 vWorldPosition;\n uniform float refractionRatio;\n #else\n varying vec3 vReflect;\n #endif\n#endif",envmap_pars_vertex:"#ifdef USE_ENVMAP\n #if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n #define ENV_WORLDPOS\n #endif\n #ifdef ENV_WORLDPOS\n \n varying vec3 vWorldPosition;\n #else\n varying vec3 vReflect;\n uniform float refractionRatio;\n #endif\n#endif",envmap_physical_pars_fragment:"#ifdef USE_ENVMAP\n vec3 getIBLIrradiance( const in vec3 normal ) {\n #ifdef ENVMAP_TYPE_CUBE_UV\n vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n vec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 );\n return PI * envMapColor.rgb * envMapIntensity;\n #else\n return vec3( 0.0 );\n #endif\n }\n vec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n #ifdef ENVMAP_TYPE_CUBE_UV\n vec3 reflectVec = reflect( - viewDir, normal );\n reflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n reflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n vec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness );\n return envMapColor.rgb * envMapIntensity;\n #else\n return vec3( 0.0 );\n #endif\n }\n #ifdef USE_ANISOTROPY\n vec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\n #ifdef ENVMAP_TYPE_CUBE_UV\n vec3 bentNormal = cross( bitangent, viewDir );\n bentNormal = normalize( cross( bentNormal, bitangent ) );\n bentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\n return getIBLRadiance( viewDir, bentNormal, roughness );\n #else\n return vec3( 0.0 );\n #endif\n }\n #endif\n#endif",envmap_vertex:"#ifdef USE_ENVMAP\n #ifdef ENV_WORLDPOS\n vWorldPosition = worldPosition.xyz;\n #else\n vec3 cameraToVertex;\n if ( isOrthographic ) {\n cameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n } else {\n cameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n }\n vec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n #ifdef ENVMAP_MODE_REFLECTION\n vReflect = reflect( cameraToVertex, worldNormal );\n #else\n vReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n #endif\n #endif\n#endif",fog_vertex:"#ifdef USE_FOG\n vFogDepth = - mvPosition.z;\n#endif",fog_pars_vertex:"#ifdef USE_FOG\n varying float vFogDepth;\n#endif",fog_fragment:"#ifdef USE_FOG\n #ifdef FOG_EXP2\n float fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n #else\n float fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n #endif\n gl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",fog_pars_fragment:"#ifdef USE_FOG\n uniform vec3 fogColor;\n varying float vFogDepth;\n #ifdef FOG_EXP2\n uniform float fogDensity;\n #else\n uniform float fogNear;\n uniform float fogFar;\n #endif\n#endif",gradientmap_pars_fragment:"#ifdef USE_GRADIENTMAP\n uniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n float dotNL = dot( normal, lightDirection );\n vec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n #ifdef USE_GRADIENTMAP\n return vec3( texture2D( gradientMap, coord ).r );\n #else\n vec2 fw = fwidth( coord ) * 0.5;\n return mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\n #endif\n}",lightmap_pars_fragment:"#ifdef USE_LIGHTMAP\n uniform sampler2D lightMap;\n uniform float lightMapIntensity;\n#endif",lights_lambert_fragment:"LambertMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularStrength = specularStrength;",lights_lambert_pars_fragment:"varying vec3 vViewPosition;\nstruct LambertMaterial {\n vec3 diffuseColor;\n float specularStrength;\n};\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n float dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n vec3 irradiance = dotNL * directLight.color;\n reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct RE_Direct_Lambert\n#define RE_IndirectDiffuse RE_IndirectDiffuse_Lambert",lights_pars_begin:"uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\n#if defined( USE_LIGHT_PROBES )\n uniform vec3 lightProbe[ 9 ];\n#endif\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n float x = normal.x, y = normal.y, z = normal.z;\n vec3 result = shCoefficients[ 0 ] * 0.886227;\n result += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n result += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n result += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n result += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n result += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n result += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n result += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n result += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n return result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n vec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n return irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n vec3 irradiance = ambientLightColor;\n return irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n float distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n if ( cutoffDistance > 0.0 ) {\n distanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n }\n return distanceFalloff;\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n return smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n struct DirectionalLight {\n vec3 direction;\n vec3 color;\n };\n uniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n void getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {\n light.color = directionalLight.color;\n light.direction = directionalLight.direction;\n light.visible = true;\n }\n#endif\n#if NUM_POINT_LIGHTS > 0\n struct PointLight {\n vec3 position;\n vec3 color;\n float distance;\n float decay;\n };\n uniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n void getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {\n vec3 lVector = pointLight.position - geometryPosition;\n light.direction = normalize( lVector );\n float lightDistance = length( lVector );\n light.color = pointLight.color;\n light.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n light.visible = ( light.color != vec3( 0.0 ) );\n }\n#endif\n#if NUM_SPOT_LIGHTS > 0\n struct SpotLight {\n vec3 position;\n vec3 direction;\n vec3 color;\n float distance;\n float decay;\n float coneCos;\n float penumbraCos;\n };\n uniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n void getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {\n vec3 lVector = spotLight.position - geometryPosition;\n light.direction = normalize( lVector );\n float angleCos = dot( light.direction, spotLight.direction );\n float spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n if ( spotAttenuation > 0.0 ) {\n float lightDistance = length( lVector );\n light.color = spotLight.color * spotAttenuation;\n light.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n light.visible = ( light.color != vec3( 0.0 ) );\n } else {\n light.color = vec3( 0.0 );\n light.visible = false;\n }\n }\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n struct RectAreaLight {\n vec3 color;\n vec3 position;\n vec3 halfWidth;\n vec3 halfHeight;\n };\n uniform sampler2D ltc_1; uniform sampler2D ltc_2;\n uniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n struct HemisphereLight {\n vec3 direction;\n vec3 skyColor;\n vec3 groundColor;\n };\n uniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n vec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n float dotNL = dot( normal, hemiLight.direction );\n float hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n vec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n return irradiance;\n }\n#endif",lights_toon_fragment:"ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",lights_toon_pars_fragment:"varying vec3 vViewPosition;\nstruct ToonMaterial {\n vec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n vec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;\n reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct RE_Direct_Toon\n#define RE_IndirectDiffuse RE_IndirectDiffuse_Toon",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;\nstruct BlinnPhongMaterial {\n vec3 diffuseColor;\n vec3 specularColor;\n float specularShininess;\n float specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n float dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n vec3 irradiance = dotNL * directLight.color;\n reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n reflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct RE_Direct_BlinnPhong\n#define RE_IndirectDiffuse RE_IndirectDiffuse_BlinnPhong",lights_physical_fragment:"PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n material.ior = ior;\n #ifdef USE_SPECULAR\n float specularIntensityFactor = specularIntensity;\n vec3 specularColorFactor = specularColor;\n #ifdef USE_SPECULAR_COLORMAP\n specularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\n #endif\n #ifdef USE_SPECULAR_INTENSITYMAP\n specularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\n #endif\n material.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n #else\n float specularIntensityFactor = 1.0;\n vec3 specularColorFactor = vec3( 1.0 );\n material.specularF90 = 1.0;\n #endif\n material.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n material.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n material.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n material.clearcoat = clearcoat;\n material.clearcoatRoughness = clearcoatRoughness;\n material.clearcoatF0 = vec3( 0.04 );\n material.clearcoatF90 = 1.0;\n #ifdef USE_CLEARCOATMAP\n material.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;\n #endif\n #ifdef USE_CLEARCOAT_ROUGHNESSMAP\n material.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;\n #endif\n material.clearcoat = saturate( material.clearcoat ); material.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n material.clearcoatRoughness += geometryRoughness;\n material.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_DISPERSION\n material.dispersion = dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n material.iridescence = iridescence;\n material.iridescenceIOR = iridescenceIOR;\n #ifdef USE_IRIDESCENCEMAP\n material.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\n #endif\n #ifdef USE_IRIDESCENCE_THICKNESSMAP\n material.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\n #else\n material.iridescenceThickness = iridescenceThicknessMaximum;\n #endif\n#endif\n#ifdef USE_SHEEN\n material.sheenColor = sheenColor;\n #ifdef USE_SHEEN_COLORMAP\n material.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\n #endif\n material.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n #ifdef USE_SHEEN_ROUGHNESSMAP\n material.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\n #endif\n#endif\n#ifdef USE_ANISOTROPY\n #ifdef USE_ANISOTROPYMAP\n mat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\n vec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\n vec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\n #else\n vec2 anisotropyV = anisotropyVector;\n #endif\n material.anisotropy = length( anisotropyV );\n if( material.anisotropy == 0.0 ) {\n anisotropyV = vec2( 1.0, 0.0 );\n } else {\n anisotropyV /= material.anisotropy;\n material.anisotropy = saturate( material.anisotropy );\n }\n material.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\n material.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;\n material.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;\n#endif",lights_physical_pars_fragment:"struct PhysicalMaterial {\n vec3 diffuseColor;\n float roughness;\n vec3 specularColor;\n float specularF90;\n float dispersion;\n #ifdef USE_CLEARCOAT\n float clearcoat;\n float clearcoatRoughness;\n vec3 clearcoatF0;\n float clearcoatF90;\n #endif\n #ifdef USE_IRIDESCENCE\n float iridescence;\n float iridescenceIOR;\n float iridescenceThickness;\n vec3 iridescenceFresnel;\n vec3 iridescenceF0;\n #endif\n #ifdef USE_SHEEN\n vec3 sheenColor;\n float sheenRoughness;\n #endif\n #ifdef IOR\n float ior;\n #endif\n #ifdef USE_TRANSMISSION\n float transmission;\n float transmissionAlpha;\n float thickness;\n float attenuationDistance;\n vec3 attenuationColor;\n #endif\n #ifdef USE_ANISOTROPY\n float anisotropy;\n float alphaT;\n vec3 anisotropyT;\n vec3 anisotropyB;\n #endif\n};\nvec3 clearcoatSpecularDirect = vec3( 0.0 );\nvec3 clearcoatSpecularIndirect = vec3( 0.0 );\nvec3 sheenSpecularDirect = vec3( 0.0 );\nvec3 sheenSpecularIndirect = vec3(0.0 );\nvec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {\n float x = clamp( 1.0 - dotVH, 0.0, 1.0 );\n float x2 = x * x;\n float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );\n return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );\n}\nfloat V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {\n float a2 = pow2( alpha );\n float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n return 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n float a2 = pow2( alpha );\n float denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n return RECIPROCAL_PI * a2 / pow2( denom );\n}\n#ifdef USE_ANISOTROPY\n float V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {\n float gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );\n float gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\n float v = 0.5 / ( gv + gl );\n return saturate(v);\n }\n float D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\n float a2 = alphaT * alphaB;\n highp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\n highp float v2 = dot( v, v );\n float w2 = a2 / v2;\n return RECIPROCAL_PI * a2 * pow2 ( w2 );\n }\n#endif\n#ifdef USE_CLEARCOAT\n vec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\n vec3 f0 = material.clearcoatF0;\n float f90 = material.clearcoatF90;\n float roughness = material.clearcoatRoughness;\n float alpha = pow2( roughness );\n vec3 halfDir = normalize( lightDir + viewDir );\n float dotNL = saturate( dot( normal, lightDir ) );\n float dotNV = saturate( dot( normal, viewDir ) );\n float dotNH = saturate( dot( normal, halfDir ) );\n float dotVH = saturate( dot( viewDir, halfDir ) );\n vec3 F = F_Schlick( f0, f90, dotVH );\n float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n float D = D_GGX( alpha, dotNH );\n return F * ( V * D );\n }\n#endif\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n vec3 f0 = material.specularColor;\n float f90 = material.specularF90;\n float roughness = material.roughness;\n float alpha = pow2( roughness );\n vec3 halfDir = normalize( lightDir + viewDir );\n float dotNL = saturate( dot( normal, lightDir ) );\n float dotNV = saturate( dot( normal, viewDir ) );\n float dotNH = saturate( dot( normal, halfDir ) );\n float dotVH = saturate( dot( viewDir, halfDir ) );\n vec3 F = F_Schlick( f0, f90, dotVH );\n #ifdef USE_IRIDESCENCE\n F = mix( F, material.iridescenceFresnel, material.iridescence );\n #endif\n #ifdef USE_ANISOTROPY\n float dotTL = dot( material.anisotropyT, lightDir );\n float dotTV = dot( material.anisotropyT, viewDir );\n float dotTH = dot( material.anisotropyT, halfDir );\n float dotBL = dot( material.anisotropyB, lightDir );\n float dotBV = dot( material.anisotropyB, viewDir );\n float dotBH = dot( material.anisotropyB, halfDir );\n float V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\n float D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\n #else\n float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n float D = D_GGX( alpha, dotNH );\n #endif\n return F * ( V * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n const float LUT_SIZE = 64.0;\n const float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n const float LUT_BIAS = 0.5 / LUT_SIZE;\n float dotNV = saturate( dot( N, V ) );\n vec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n uv = uv * LUT_SCALE + LUT_BIAS;\n return uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n float l = length( f );\n return max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n float x = dot( v1, v2 );\n float y = abs( x );\n float a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n float b = 3.4175940 + ( 4.1616724 + y ) * y;\n float v = a / b;\n float theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n return 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 vec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n vec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n vec3 lightNormal = cross( v1, v2 );\n if( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n vec3 T1, T2;\n T1 = normalize( V - N * dot( V, N ) );\n T2 = - cross( N, T1 );\n mat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n vec3 coords[ 4 ];\n coords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n coords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n coords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n coords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n coords[ 0 ] = normalize( coords[ 0 ] );\n coords[ 1 ] = normalize( coords[ 1 ] );\n coords[ 2 ] = normalize( coords[ 2 ] );\n coords[ 3 ] = normalize( coords[ 3 ] );\n vec3 vectorFormFactor = vec3( 0.0 );\n vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n float result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n return vec3( result );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n float alpha = pow2( roughness );\n float invAlpha = 1.0 / alpha;\n float cos2h = dotNH * dotNH;\n float sin2h = max( 1.0 - cos2h, 0.0078125 );\n return ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n return saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );\n}\nvec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {\n vec3 halfDir = normalize( lightDir + viewDir );\n float dotNL = saturate( dot( normal, lightDir ) );\n float dotNV = saturate( dot( normal, viewDir ) );\n float dotNH = saturate( dot( normal, halfDir ) );\n float D = D_Charlie( sheenRoughness, dotNH );\n float V = V_Neubelt( dotNV, dotNL );\n return sheenColor * ( D * V );\n}\n#endif\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n float dotNV = saturate( dot( normal, viewDir ) );\n float r2 = roughness * roughness;\n float a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\n float b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\n float DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\n return saturate( DG * RECIPROCAL_PI );\n}\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n float dotNV = saturate( dot( normal, viewDir ) );\n const vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n const vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n vec4 r = roughness * c0 + c1;\n float a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n vec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n return fab;\n}\nvec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {\n vec2 fab = DFGApprox( normal, viewDir, roughness );\n return specularColor * fab.x + specularF90 * fab.y;\n}\n#ifdef USE_IRIDESCENCE\nvoid computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#else\nvoid computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {\n#endif\n vec2 fab = DFGApprox( normal, viewDir, roughness );\n #ifdef USE_IRIDESCENCE\n vec3 Fr = mix( specularColor, iridescenceF0, iridescence );\n #else\n vec3 Fr = specularColor;\n #endif\n vec3 FssEss = Fr * fab.x + specularF90 * fab.y;\n float Ess = fab.x + fab.y;\n float Ems = 1.0 - Ess;\n vec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619; vec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n singleScatter += FssEss;\n multiScatter += Fms * Ems;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n void RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n vec3 normal = geometryNormal;\n vec3 viewDir = geometryViewDir;\n vec3 position = geometryPosition;\n vec3 lightPos = rectAreaLight.position;\n vec3 halfWidth = rectAreaLight.halfWidth;\n vec3 halfHeight = rectAreaLight.halfHeight;\n vec3 lightColor = rectAreaLight.color;\n float roughness = material.roughness;\n vec3 rectCoords[ 4 ];\n rectCoords[ 0 ] = lightPos + halfWidth - halfHeight; rectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n rectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n rectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n vec2 uv = LTC_Uv( normal, viewDir, roughness );\n vec4 t1 = texture2D( ltc_1, uv );\n vec4 t2 = texture2D( ltc_2, uv );\n mat3 mInv = mat3(\n vec3( t1.x, 0, t1.y ),\n vec3( 0, 1, 0 ),\n vec3( t1.z, 0, t1.w )\n );\n vec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n reflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n reflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n }\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n float dotNL = saturate( dot( geometryNormal, directLight.direction ) );\n vec3 irradiance = dotNL * directLight.color;\n #ifdef USE_CLEARCOAT\n float dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );\n vec3 ccIrradiance = dotNLcc * directLight.color;\n clearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );\n #endif\n #ifdef USE_SHEEN\n sheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );\n #endif\n reflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometryViewDir, geometryNormal, material );\n reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n #ifdef USE_CLEARCOAT\n clearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n #endif\n #ifdef USE_SHEEN\n sheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );\n #endif\n vec3 singleScattering = vec3( 0.0 );\n vec3 multiScattering = vec3( 0.0 );\n vec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n #ifdef USE_IRIDESCENCE\n computeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\n #else\n computeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n #endif\n vec3 totalScattering = singleScattering + multiScattering;\n vec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\n reflectedLight.indirectSpecular += radiance * singleScattering;\n reflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n reflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct RE_Direct_Physical\n#define RE_Direct_RectArea RE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse RE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular RE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n return saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",lights_fragment_begin:"\nvec3 geometryPosition = - vViewPosition;\nvec3 geometryNormal = normal;\nvec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\nvec3 geometryClearcoatNormal = vec3( 0.0 );\n#ifdef USE_CLEARCOAT\n geometryClearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n float dotNVi = saturate( dot( normal, geometryViewDir ) );\n if ( material.iridescenceThickness == 0.0 ) {\n material.iridescence = 0.0;\n } else {\n material.iridescence = saturate( material.iridescence );\n }\n if ( material.iridescence > 0.0 ) {\n material.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\n material.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\n }\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n PointLight pointLight;\n #if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n PointLightShadow pointLightShadow;\n #endif\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n pointLight = pointLights[ i ];\n getPointLightInfo( pointLight, geometryPosition, directLight );\n #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n pointLightShadow = pointLightShadows[ i ];\n directLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n #endif\n RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n }\n #pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n SpotLight spotLight;\n vec4 spotColor;\n vec3 spotLightCoord;\n bool inSpotLightMap;\n #if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n SpotLightShadow spotLightShadow;\n #endif\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n spotLight = spotLights[ i ];\n getSpotLightInfo( spotLight, geometryPosition, directLight );\n #if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n #define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\n #elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n #define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\n #else\n #define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n #endif\n #if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\n spotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\n inSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\n spotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\n directLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\n #endif\n #undef SPOT_LIGHT_MAP_INDEX\n #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n spotLightShadow = spotLightShadows[ i ];\n directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n #endif\n RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n }\n #pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n DirectionalLight directionalLight;\n #if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n DirectionalLightShadow directionalLightShadow;\n #endif\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n directionalLight = directionalLights[ i ];\n getDirectionalLightInfo( directionalLight, directLight );\n #if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n directionalLightShadow = directionalLightShadows[ i ];\n directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n #endif\n RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n }\n #pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n RectAreaLight rectAreaLight;\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n rectAreaLight = rectAreaLights[ i ];\n RE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n }\n #pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n vec3 iblIrradiance = vec3( 0.0 );\n vec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n #if defined( USE_LIGHT_PROBES )\n irradiance += getLightProbeIrradiance( lightProbe, geometryNormal );\n #endif\n #if ( NUM_HEMI_LIGHTS > 0 )\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n irradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );\n }\n #pragma unroll_loop_end\n #endif\n#endif\n#if defined( RE_IndirectSpecular )\n vec3 radiance = vec3( 0.0 );\n vec3 clearcoatRadiance = vec3( 0.0 );\n#endif",lights_fragment_maps:"#if defined( RE_IndirectDiffuse )\n #ifdef USE_LIGHTMAP\n vec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n vec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n irradiance += lightMapIrradiance;\n #endif\n #if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n iblIrradiance += getIBLIrradiance( geometryNormal );\n #endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n #ifdef USE_ANISOTROPY\n radiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );\n #else\n radiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );\n #endif\n #ifdef USE_CLEARCOAT\n clearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );\n #endif\n#endif",lights_fragment_end:"#if defined( RE_IndirectDiffuse )\n RE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n RE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );\n#endif",logdepthbuf_fragment:"#if defined( USE_LOGDEPTHBUF )\n gl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",logdepthbuf_pars_fragment:"#if defined( USE_LOGDEPTHBUF )\n uniform float logDepthBufFC;\n varying float vFragDepth;\n varying float vIsPerspective;\n#endif",logdepthbuf_pars_vertex:"#ifdef USE_LOGDEPTHBUF\n varying float vFragDepth;\n varying float vIsPerspective;\n#endif",logdepthbuf_vertex:"#ifdef USE_LOGDEPTHBUF\n vFragDepth = 1.0 + gl_Position.w;\n vIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n#endif",map_fragment:"#ifdef USE_MAP\n vec4 sampledDiffuseColor = texture2D( map, vMapUv );\n #ifdef DECODE_VIDEO_TEXTURE\n sampledDiffuseColor = vec4( mix( pow( sampledDiffuseColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), sampledDiffuseColor.rgb * 0.0773993808, vec3( lessThanEqual( sampledDiffuseColor.rgb, vec3( 0.04045 ) ) ) ), sampledDiffuseColor.w );\n \n #endif\n diffuseColor *= sampledDiffuseColor;\n#endif",map_pars_fragment:"#ifdef USE_MAP\n uniform sampler2D map;\n#endif",map_particle_fragment:"#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n #if defined( USE_POINTS_UV )\n vec2 uv = vUv;\n #else\n vec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n #endif\n#endif\n#ifdef USE_MAP\n diffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n diffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",map_particle_pars_fragment:"#if defined( USE_POINTS_UV )\n varying vec2 vUv;\n#else\n #if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n uniform mat3 uvTransform;\n #endif\n#endif\n#ifdef USE_MAP\n uniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n uniform sampler2D alphaMap;\n#endif",metalnessmap_fragment:"float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n vec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );\n metalnessFactor *= texelMetalness.b;\n#endif",metalnessmap_pars_fragment:"#ifdef USE_METALNESSMAP\n uniform sampler2D metalnessMap;\n#endif",morphinstance_vertex:"#ifdef USE_INSTANCING_MORPH\n float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n float morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;\n for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n morphTargetInfluences[i] = texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;\n }\n#endif",morphcolor_vertex:"#if defined( USE_MORPHCOLORS )\n vColor *= morphTargetBaseInfluence;\n for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n #if defined( USE_COLOR_ALPHA )\n if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n #elif defined( USE_COLOR )\n if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n #endif\n }\n#endif",morphnormal_vertex:"#ifdef USE_MORPHNORMALS\n objectNormal *= morphTargetBaseInfluence;\n for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n if ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n }\n#endif",morphtarget_pars_vertex:"#ifdef USE_MORPHTARGETS\n #ifndef USE_INSTANCING_MORPH\n uniform float morphTargetBaseInfluence;\n uniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n #endif\n uniform sampler2DArray morphTargetsTexture;\n uniform ivec2 morphTargetsTextureSize;\n vec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n int texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n int y = texelIndex / morphTargetsTextureSize.x;\n int x = texelIndex - y * morphTargetsTextureSize.x;\n ivec3 morphUV = ivec3( x, y, morphTargetIndex );\n return texelFetch( morphTargetsTexture, morphUV, 0 );\n }\n#endif",morphtarget_vertex:"#ifdef USE_MORPHTARGETS\n transformed *= morphTargetBaseInfluence;\n for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n if ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n }\n#endif",normal_fragment_begin:"float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n vec3 fdx = dFdx( vViewPosition );\n vec3 fdy = dFdy( vViewPosition );\n vec3 normal = normalize( cross( fdx, fdy ) );\n#else\n vec3 normal = normalize( vNormal );\n #ifdef DOUBLE_SIDED\n normal *= faceDirection;\n #endif\n#endif\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\n #ifdef USE_TANGENT\n mat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n #else\n mat3 tbn = getTangentFrame( - vViewPosition, normal,\n #if defined( USE_NORMALMAP )\n vNormalMapUv\n #elif defined( USE_CLEARCOAT_NORMALMAP )\n vClearcoatNormalMapUv\n #else\n vUv\n #endif\n );\n #endif\n #if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n tbn[0] *= faceDirection;\n tbn[1] *= faceDirection;\n #endif\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n #ifdef USE_TANGENT\n mat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n #else\n mat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\n #endif\n #if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n tbn2[0] *= faceDirection;\n tbn2[1] *= faceDirection;\n #endif\n#endif\nvec3 nonPerturbedNormal = normal;",normal_fragment_maps:"#ifdef USE_NORMALMAP_OBJECTSPACE\n normal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n #ifdef FLIP_SIDED\n normal = - normal;\n #endif\n #ifdef DOUBLE_SIDED\n normal = normal * faceDirection;\n #endif\n normal = normalize( normalMatrix * normal );\n#elif defined( USE_NORMALMAP_TANGENTSPACE )\n vec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n mapN.xy *= normalScale;\n normal = normalize( tbn * mapN );\n#elif defined( USE_BUMPMAP )\n normal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif",normal_pars_fragment:"#ifndef FLAT_SHADED\n varying vec3 vNormal;\n #ifdef USE_TANGENT\n varying vec3 vTangent;\n varying vec3 vBitangent;\n #endif\n#endif",normal_pars_vertex:"#ifndef FLAT_SHADED\n varying vec3 vNormal;\n #ifdef USE_TANGENT\n varying vec3 vTangent;\n varying vec3 vBitangent;\n #endif\n#endif",normal_vertex:"#ifndef FLAT_SHADED\n vNormal = normalize( transformedNormal );\n #ifdef USE_TANGENT\n vTangent = normalize( transformedTangent );\n vBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n #endif\n#endif",normalmap_pars_fragment:"#ifdef USE_NORMALMAP\n uniform sampler2D normalMap;\n uniform vec2 normalScale;\n#endif\n#ifdef USE_NORMALMAP_OBJECTSPACE\n uniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\n mat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\n vec3 q0 = dFdx( eye_pos.xyz );\n vec3 q1 = dFdy( eye_pos.xyz );\n vec2 st0 = dFdx( uv.st );\n vec2 st1 = dFdy( uv.st );\n vec3 N = surf_norm;\n vec3 q1perp = cross( q1, N );\n vec3 q0perp = cross( N, q0 );\n vec3 T = q1perp * st0.x + q0perp * st1.x;\n vec3 B = q1perp * st0.y + q0perp * st1.y;\n float det = max( dot( T, T ), dot( B, B ) );\n float scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );\n return mat3( T * scale, B * scale, N );\n }\n#endif",clearcoat_normal_fragment_begin:"#ifdef USE_CLEARCOAT\n vec3 clearcoatNormal = nonPerturbedNormal;\n#endif",clearcoat_normal_fragment_maps:"#ifdef USE_CLEARCOAT_NORMALMAP\n vec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\n clearcoatMapN.xy *= clearcoatNormalScale;\n clearcoatNormal = normalize( tbn2 * clearcoatMapN );\n#endif",clearcoat_pars_fragment:"#ifdef USE_CLEARCOATMAP\n uniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n uniform sampler2D clearcoatNormalMap;\n uniform vec2 clearcoatNormalScale;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n uniform sampler2D clearcoatRoughnessMap;\n#endif",iridescence_pars_fragment:"#ifdef USE_IRIDESCENCEMAP\n uniform sampler2D iridescenceMap;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n uniform sampler2D iridescenceThicknessMap;\n#endif",opaque_fragment:"#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= material.transmissionAlpha;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );",packing:"vec3 packNormalToRGB( const in vec3 normal ) {\n return normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n return 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 vec4 r = vec4( fract( v * PackFactors ), v );\n r.yzw -= r.xyz * ShiftRight8; return r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n return dot( v, UnpackFactors );\n}\nvec2 packDepthToRG( in highp float v ) {\n return packDepthToRGBA( v ).yx;\n}\nfloat unpackRGToDepth( const in highp vec2 v ) {\n return unpackRGBAToDepth( vec4( v.xy, 0.0, 0.0 ) );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n vec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n return vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n return 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 return ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {\n return depth * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n return ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {\n return ( near * far ) / ( ( far - near ) * depth - far );\n}",premultiplied_alpha_fragment:"#ifdef PREMULTIPLIED_ALPHA\n gl_FragColor.rgb *= gl_FragColor.a;\n#endif",project_vertex:"vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_BATCHING\n mvPosition = batchingMatrix * mvPosition;\n#endif\n#ifdef USE_INSTANCING\n mvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",dithering_fragment:"#ifdef DITHERING\n gl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",dithering_pars_fragment:"#ifdef DITHERING\n vec3 dithering( vec3 color ) {\n float grid_position = rand( gl_FragCoord.xy );\n vec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n dither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n return color + dither_shift_RGB;\n }\n#endif",roughnessmap_fragment:"float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n vec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );\n roughnessFactor *= texelRoughness.g;\n#endif",roughnessmap_pars_fragment:"#ifdef USE_ROUGHNESSMAP\n uniform sampler2D roughnessMap;\n#endif",shadowmap_pars_fragment:"#if NUM_SPOT_LIGHT_COORDS > 0\n varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#if NUM_SPOT_LIGHT_MAPS > 0\n uniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\n#endif\n#ifdef USE_SHADOWMAP\n #if NUM_DIR_LIGHT_SHADOWS > 0\n uniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n struct DirectionalLightShadow {\n float shadowBias;\n float shadowNormalBias;\n float shadowRadius;\n vec2 shadowMapSize;\n };\n uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n #endif\n #if NUM_SPOT_LIGHT_SHADOWS > 0\n uniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n struct SpotLightShadow {\n float shadowBias;\n float shadowNormalBias;\n float shadowRadius;\n vec2 shadowMapSize;\n };\n uniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n #endif\n #if NUM_POINT_LIGHT_SHADOWS > 0\n uniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n struct PointLightShadow {\n float shadowBias;\n float shadowNormalBias;\n float shadowRadius;\n vec2 shadowMapSize;\n float shadowCameraNear;\n float shadowCameraFar;\n };\n uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n #endif\n float texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n return step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n }\n vec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n return unpackRGBATo2Half( texture2D( shadow, uv ) );\n }\n float VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n float occlusion = 1.0;\n vec2 distribution = texture2DDistribution( shadow, uv );\n float hard_shadow = step( compare , distribution.x );\n if (hard_shadow != 1.0 ) {\n float distance = compare - distribution.x ;\n float variance = max( 0.00000, distribution.y * distribution.y );\n float softness_probability = variance / (variance + distance * distance ); softness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 ); occlusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n }\n return occlusion;\n }\n float getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n float shadow = 1.0;\n shadowCoord.xyz /= shadowCoord.w;\n shadowCoord.z += shadowBias;\n bool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n bool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n if ( frustumTest ) {\n #if defined( SHADOWMAP_TYPE_PCF )\n vec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n float dx0 = - texelSize.x * shadowRadius;\n float dy0 = - texelSize.y * shadowRadius;\n float dx1 = + texelSize.x * shadowRadius;\n float dy1 = + texelSize.y * shadowRadius;\n float dx2 = dx0 / 2.0;\n float dy2 = dy0 / 2.0;\n float dx3 = dx1 / 2.0;\n float dy3 = dy1 / 2.0;\n shadow = (\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n ) * ( 1.0 / 17.0 );\n #elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n vec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n float dx = texelSize.x;\n float dy = texelSize.y;\n vec2 uv = shadowCoord.xy;\n vec2 f = fract( uv * shadowMapSize + 0.5 );\n uv -= f * texelSize;\n shadow = (\n texture2DCompare( shadowMap, uv, shadowCoord.z ) +\n texture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n texture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n texture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n mix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),\n texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n f.x ) +\n mix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),\n texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n f.x ) +\n mix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),\n texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n f.y ) +\n mix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),\n texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n f.y ) +\n mix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),\n texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n f.x ),\n mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),\n texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n f.x ),\n f.y )\n ) * ( 1.0 / 9.0 );\n #elif defined( SHADOWMAP_TYPE_VSM )\n shadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n #else\n shadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n #endif\n }\n return shadow;\n }\n vec2 cubeToUV( vec3 v, float texelSizeY ) {\n vec3 absV = abs( v );\n float scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n absV *= scaleToCube;\n v *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n vec2 planar = v.xy;\n float almostATexel = 1.5 * texelSizeY;\n float almostOne = 1.0 - almostATexel;\n if ( absV.z >= almostOne ) {\n if ( v.z > 0.0 )\n planar.x = 4.0 - v.x;\n } else if ( absV.x >= almostOne ) {\n float signX = sign( v.x );\n planar.x = v.z * signX + 2.0 * signX;\n } else if ( absV.y >= almostOne ) {\n float signY = sign( v.y );\n planar.x = v.x + 2.0 * signY + 2.0;\n planar.y = v.z * signY - 2.0;\n }\n return vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n }\n float getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n float shadow = 1.0;\n vec3 lightToPosition = shadowCoord.xyz;\n \n float lightToPositionLength = length( lightToPosition );\n if ( lightToPositionLength - shadowCameraFar <= 0.0 && lightToPositionLength - shadowCameraNear >= 0.0 ) {\n float dp = ( lightToPositionLength - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear ); dp += shadowBias;\n vec3 bd3D = normalize( lightToPosition );\n vec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n #if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n vec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n shadow = (\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n ) * ( 1.0 / 9.0 );\n #else\n shadow = texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n #endif\n }\n return shadow;\n }\n#endif",shadowmap_pars_vertex:"#if NUM_SPOT_LIGHT_COORDS > 0\n uniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#ifdef USE_SHADOWMAP\n #if NUM_DIR_LIGHT_SHADOWS > 0\n uniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n struct DirectionalLightShadow {\n float shadowBias;\n float shadowNormalBias;\n float shadowRadius;\n vec2 shadowMapSize;\n };\n uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n #endif\n #if NUM_SPOT_LIGHT_SHADOWS > 0\n struct SpotLightShadow {\n float shadowBias;\n float shadowNormalBias;\n float shadowRadius;\n vec2 shadowMapSize;\n };\n uniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n #endif\n #if NUM_POINT_LIGHT_SHADOWS > 0\n uniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n struct PointLightShadow {\n float shadowBias;\n float shadowNormalBias;\n float shadowRadius;\n vec2 shadowMapSize;\n float shadowCameraNear;\n float shadowCameraFar;\n };\n uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n #endif\n#endif",shadowmap_vertex:"#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\n vec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n vec4 shadowWorldPosition;\n#endif\n#if defined( USE_SHADOWMAP )\n #if NUM_DIR_LIGHT_SHADOWS > 0\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n vDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n }\n #pragma unroll_loop_end\n #endif\n #if NUM_POINT_LIGHT_SHADOWS > 0\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n vPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n }\n #pragma unroll_loop_end\n #endif\n#endif\n#if NUM_SPOT_LIGHT_COORDS > 0\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\n shadowWorldPosition = worldPosition;\n #if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n shadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\n #endif\n vSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\n }\n #pragma unroll_loop_end\n#endif",shadowmask_pars_fragment:"float getShadowMask() {\n float shadow = 1.0;\n #ifdef USE_SHADOWMAP\n #if NUM_DIR_LIGHT_SHADOWS > 0\n DirectionalLightShadow directionalLight;\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n directionalLight = directionalLightShadows[ i ];\n shadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n }\n #pragma unroll_loop_end\n #endif\n #if NUM_SPOT_LIGHT_SHADOWS > 0\n SpotLightShadow spotLight;\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n spotLight = spotLightShadows[ i ];\n shadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n }\n #pragma unroll_loop_end\n #endif\n #if NUM_POINT_LIGHT_SHADOWS > 0\n PointLightShadow pointLight;\n #pragma unroll_loop_start\n for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n pointLight = pointLightShadows[ i ];\n shadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n }\n #pragma unroll_loop_end\n #endif\n #endif\n return shadow;\n}",skinbase_vertex:"#ifdef USE_SKINNING\n mat4 boneMatX = getBoneMatrix( skinIndex.x );\n mat4 boneMatY = getBoneMatrix( skinIndex.y );\n mat4 boneMatZ = getBoneMatrix( skinIndex.z );\n mat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",skinning_pars_vertex:"#ifdef USE_SKINNING\n uniform mat4 bindMatrix;\n uniform mat4 bindMatrixInverse;\n uniform highp sampler2D boneTexture;\n mat4 getBoneMatrix( const in float i ) {\n int size = textureSize( boneTexture, 0 ).x;\n int j = int( i ) * 4;\n int x = j % size;\n int y = j / size;\n vec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );\n vec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );\n vec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );\n vec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );\n return mat4( v1, v2, v3, v4 );\n }\n#endif",skinning_vertex:"#ifdef USE_SKINNING\n vec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n vec4 skinned = vec4( 0.0 );\n skinned += boneMatX * skinVertex * skinWeight.x;\n skinned += boneMatY * skinVertex * skinWeight.y;\n skinned += boneMatZ * skinVertex * skinWeight.z;\n skinned += boneMatW * skinVertex * skinWeight.w;\n transformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",skinnormal_vertex:"#ifdef USE_SKINNING\n mat4 skinMatrix = mat4( 0.0 );\n skinMatrix += skinWeight.x * boneMatX;\n skinMatrix += skinWeight.y * boneMatY;\n skinMatrix += skinWeight.z * boneMatZ;\n skinMatrix += skinWeight.w * boneMatW;\n skinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n objectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n #ifdef USE_TANGENT\n objectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n #endif\n#endif",specularmap_fragment:"float specularStrength;\n#ifdef USE_SPECULARMAP\n vec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );\n specularStrength = texelSpecular.r;\n#else\n specularStrength = 1.0;\n#endif",specularmap_pars_fragment:"#ifdef USE_SPECULARMAP\n uniform sampler2D specularMap;\n#endif",tonemapping_fragment:"#if defined( TONE_MAPPING )\n gl_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;\nvec3 LinearToneMapping( vec3 color ) {\n return saturate( toneMappingExposure * color );\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n color *= toneMappingExposure;\n return saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n color *= toneMappingExposure;\n color = max( vec3( 0.0 ), color - 0.004 );\n return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n vec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n vec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n return a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n const mat3 ACESInputMat = mat3(\n vec3( 0.59719, 0.07600, 0.02840 ), vec3( 0.35458, 0.90834, 0.13383 ),\n vec3( 0.04823, 0.01566, 0.83777 )\n );\n const mat3 ACESOutputMat = mat3(\n vec3( 1.60475, -0.10208, -0.00327 ), vec3( -0.53108, 1.10813, -0.07276 ),\n vec3( -0.07367, -0.00605, 1.07602 )\n );\n color *= toneMappingExposure / 0.6;\n color = ACESInputMat * color;\n color = RRTAndODTFit( color );\n color = ACESOutputMat * color;\n return saturate( color );\n}\nconst mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(\n vec3( 1.6605, - 0.1246, - 0.0182 ),\n vec3( - 0.5876, 1.1329, - 0.1006 ),\n vec3( - 0.0728, - 0.0083, 1.1187 )\n);\nconst mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(\n vec3( 0.6274, 0.0691, 0.0164 ),\n vec3( 0.3293, 0.9195, 0.0880 ),\n vec3( 0.0433, 0.0113, 0.8956 )\n);\nvec3 agxDefaultContrastApprox( vec3 x ) {\n vec3 x2 = x * x;\n vec3 x4 = x2 * x2;\n return + 15.5 * x4 * x2\n - 40.14 * x4 * x\n + 31.96 * x4\n - 6.868 * x2 * x\n + 0.4298 * x2\n + 0.1191 * x\n - 0.00232;\n}\nvec3 AgXToneMapping( vec3 color ) {\n const mat3 AgXInsetMatrix = mat3(\n vec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),\n vec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),\n vec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )\n );\n const mat3 AgXOutsetMatrix = mat3(\n vec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ),\n vec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ),\n vec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 )\n );\n const float AgxMinEv = - 12.47393; const float AgxMaxEv = 4.026069;\n color *= toneMappingExposure;\n color = LINEAR_SRGB_TO_LINEAR_REC2020 * color;\n color = AgXInsetMatrix * color;\n color = max( color, 1e-10 ); color = log2( color );\n color = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv );\n color = clamp( color, 0.0, 1.0 );\n color = agxDefaultContrastApprox( color );\n color = AgXOutsetMatrix * color;\n color = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) );\n color = LINEAR_REC2020_TO_LINEAR_SRGB * color;\n color = clamp( color, 0.0, 1.0 );\n return color;\n}\nvec3 NeutralToneMapping( vec3 color ) {\n const float StartCompression = 0.8 - 0.04;\n const float Desaturation = 0.15;\n color *= toneMappingExposure;\n float x = min( color.r, min( color.g, color.b ) );\n float offset = x < 0.08 ? x - 6.25 * x * x : 0.04;\n color -= offset;\n float peak = max( color.r, max( color.g, color.b ) );\n if ( peak < StartCompression ) return color;\n float d = 1. - StartCompression;\n float newPeak = 1. - d * d / ( peak + d - StartCompression );\n color *= newPeak / peak;\n float g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. );\n return mix( color, vec3( newPeak ), g );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",transmission_fragment:"#ifdef USE_TRANSMISSION\n material.transmission = transmission;\n material.transmissionAlpha = 1.0;\n material.thickness = thickness;\n material.attenuationDistance = attenuationDistance;\n material.attenuationColor = attenuationColor;\n #ifdef USE_TRANSMISSIONMAP\n material.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\n #endif\n #ifdef USE_THICKNESSMAP\n material.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\n #endif\n vec3 pos = vWorldPosition;\n vec3 v = normalize( cameraPosition - pos );\n vec3 n = inverseTransformDirection( normal, viewMatrix );\n vec4 transmitted = getIBLVolumeRefraction(\n n, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\n pos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness,\n material.attenuationColor, material.attenuationDistance );\n material.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\n totalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\n#endif",transmission_pars_fragment:"#ifdef USE_TRANSMISSION\n uniform float transmission;\n uniform float thickness;\n uniform float attenuationDistance;\n uniform vec3 attenuationColor;\n #ifdef USE_TRANSMISSIONMAP\n uniform sampler2D transmissionMap;\n #endif\n #ifdef USE_THICKNESSMAP\n uniform sampler2D thicknessMap;\n #endif\n uniform vec2 transmissionSamplerSize;\n uniform sampler2D transmissionSamplerMap;\n uniform mat4 modelMatrix;\n uniform mat4 projectionMatrix;\n varying vec3 vWorldPosition;\n float w0( float a ) {\n return ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\n }\n float w1( float a ) {\n return ( 1.0 / 6.0 ) * ( a * a * ( 3.0 * a - 6.0 ) + 4.0 );\n }\n float w2( float a ){\n return ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\n }\n float w3( float a ) {\n return ( 1.0 / 6.0 ) * ( a * a * a );\n }\n float g0( float a ) {\n return w0( a ) + w1( a );\n }\n float g1( float a ) {\n return w2( a ) + w3( a );\n }\n float h0( float a ) {\n return - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\n }\n float h1( float a ) {\n return 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\n }\n vec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\n uv = uv * texelSize.zw + 0.5;\n vec2 iuv = floor( uv );\n vec2 fuv = fract( uv );\n float g0x = g0( fuv.x );\n float g1x = g1( fuv.x );\n float h0x = h0( fuv.x );\n float h1x = h1( fuv.x );\n float h0y = h0( fuv.y );\n float h1y = h1( fuv.y );\n vec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n vec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n vec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n vec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n return g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\n g1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\n }\n vec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\n vec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\n vec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\n vec2 fLodSizeInv = 1.0 / fLodSize;\n vec2 cLodSizeInv = 1.0 / cLodSize;\n vec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\n vec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\n return mix( fSample, cSample, fract( lod ) );\n }\n vec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n vec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n vec3 modelScale;\n modelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n modelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n modelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n return normalize( refractionVector ) * thickness * modelScale;\n }\n float applyIorToRoughness( const in float roughness, const in float ior ) {\n return roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n }\n vec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n float lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n return textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\n }\n vec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n if ( isinf( attenuationDistance ) ) {\n return vec3( 1.0 );\n } else {\n vec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n vec3 transmittance = exp( - attenuationCoefficient * transmissionDistance ); return transmittance;\n }\n }\n vec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n const in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n const in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness,\n const in vec3 attenuationColor, const in float attenuationDistance ) {\n vec4 transmittedLight;\n vec3 transmittance;\n #ifdef USE_DISPERSION\n float halfSpread = ( ior - 1.0 ) * 0.025 * dispersion;\n vec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread );\n for ( int i = 0; i < 3; i ++ ) {\n vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix );\n vec3 refractedRayExit = position + transmissionRay;\n \n vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n vec2 refractionCoords = ndcPos.xy / ndcPos.w;\n refractionCoords += 1.0;\n refractionCoords /= 2.0;\n \n vec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] );\n transmittedLight[ i ] = transmissionSample[ i ];\n transmittedLight.a += transmissionSample.a;\n transmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ];\n }\n transmittedLight.a /= 3.0;\n \n #else\n \n vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n vec3 refractedRayExit = position + transmissionRay;\n vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n vec2 refractionCoords = ndcPos.xy / ndcPos.w;\n refractionCoords += 1.0;\n refractionCoords /= 2.0;\n transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n transmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\n \n #endif\n vec3 attenuatedColor = transmittance * transmittedLight.rgb;\n vec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n float transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\n return vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\n }\n#endif",uv_pars_fragment:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n varying vec2 vUv;\n#endif\n#ifdef USE_MAP\n varying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n varying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n varying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n varying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n varying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n varying vec2 vNormalMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n varying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n varying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n varying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n varying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n varying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n varying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n varying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n varying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n varying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n varying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n varying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n varying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n varying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n varying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n uniform mat3 transmissionMapTransform;\n varying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n uniform mat3 thicknessMapTransform;\n varying vec2 vThicknessMapUv;\n#endif",uv_pars_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n varying vec2 vUv;\n#endif\n#ifdef USE_MAP\n uniform mat3 mapTransform;\n varying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n uniform mat3 alphaMapTransform;\n varying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n uniform mat3 lightMapTransform;\n varying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n uniform mat3 aoMapTransform;\n varying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n uniform mat3 bumpMapTransform;\n varying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n uniform mat3 normalMapTransform;\n varying vec2 vNormalMapUv;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n uniform mat3 displacementMapTransform;\n varying vec2 vDisplacementMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n uniform mat3 emissiveMapTransform;\n varying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n uniform mat3 metalnessMapTransform;\n varying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n uniform mat3 roughnessMapTransform;\n varying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n uniform mat3 anisotropyMapTransform;\n varying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n uniform mat3 clearcoatMapTransform;\n varying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n uniform mat3 clearcoatNormalMapTransform;\n varying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n uniform mat3 clearcoatRoughnessMapTransform;\n varying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n uniform mat3 sheenColorMapTransform;\n varying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n uniform mat3 sheenRoughnessMapTransform;\n varying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n uniform mat3 iridescenceMapTransform;\n varying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n uniform mat3 iridescenceThicknessMapTransform;\n varying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n uniform mat3 specularMapTransform;\n varying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n uniform mat3 specularColorMapTransform;\n varying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n uniform mat3 specularIntensityMapTransform;\n varying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n uniform mat3 transmissionMapTransform;\n varying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n uniform mat3 thicknessMapTransform;\n varying vec2 vThicknessMapUv;\n#endif",uv_vertex:"#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n vUv = vec3( uv, 1 ).xy;\n#endif\n#ifdef USE_MAP\n vMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ALPHAMAP\n vAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_LIGHTMAP\n vLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_AOMAP\n vAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_BUMPMAP\n vBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_NORMALMAP\n vNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n vDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_EMISSIVEMAP\n vEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_METALNESSMAP\n vMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ROUGHNESSMAP\n vRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ANISOTROPYMAP\n vAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOATMAP\n vClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n vClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n vClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n vIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n vIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n vSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n vSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULARMAP\n vSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n vSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n vSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n vTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_THICKNESSMAP\n vThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\n#endif",worldpos_vertex:"#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\n vec4 worldPosition = vec4( transformed, 1.0 );\n #ifdef USE_BATCHING\n worldPosition = batchingMatrix * worldPosition;\n #endif\n #ifdef USE_INSTANCING\n worldPosition = instanceMatrix * worldPosition;\n #endif\n worldPosition = modelMatrix * worldPosition;\n#endif",background_vert:"varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n vUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n gl_Position = vec4( position.xy, 1.0, 1.0 );\n}",background_frag:"uniform sampler2D t2D;\nuniform float backgroundIntensity;\nvarying vec2 vUv;\nvoid main() {\n vec4 texColor = texture2D( t2D, vUv );\n #ifdef DECODE_VIDEO_TEXTURE\n texColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );\n #endif\n texColor.rgb *= backgroundIntensity;\n gl_FragColor = texColor;\n #include <tonemapping_fragment>\n #include <colorspace_fragment>\n}",backgroundCube_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n vWorldDirection = transformDirection( position, modelMatrix );\n #include <begin_vertex>\n #include <project_vertex>\n gl_Position.z = gl_Position.w;\n}",backgroundCube_frag:"#ifdef ENVMAP_TYPE_CUBE\n uniform samplerCube envMap;\n#elif defined( ENVMAP_TYPE_CUBE_UV )\n uniform sampler2D envMap;\n#endif\nuniform float flipEnvMap;\nuniform float backgroundBlurriness;\nuniform float backgroundIntensity;\nuniform mat3 backgroundRotation;\nvarying vec3 vWorldDirection;\n#include <cube_uv_reflection_fragment>\nvoid main() {\n #ifdef ENVMAP_TYPE_CUBE\n vec4 texColor = textureCube( envMap, backgroundRotation * vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\n #elif defined( ENVMAP_TYPE_CUBE_UV )\n vec4 texColor = textureCubeUV( envMap, backgroundRotation * vWorldDirection, backgroundBlurriness );\n #else\n vec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n #endif\n texColor.rgb *= backgroundIntensity;\n gl_FragColor = texColor;\n #include <tonemapping_fragment>\n #include <colorspace_fragment>\n}",cube_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n vWorldDirection = transformDirection( position, modelMatrix );\n #include <begin_vertex>\n #include <project_vertex>\n gl_Position.z = gl_Position.w;\n}",cube_frag:"uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldDirection;\nvoid main() {\n vec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\n gl_FragColor = texColor;\n gl_FragColor.a *= opacity;\n #include <tonemapping_fragment>\n #include <colorspace_fragment>\n}",depth_vert:"#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n #include <uv_vertex>\n #include <batching_vertex>\n #include <skinbase_vertex>\n #include <morphinstance_vertex>\n #ifdef USE_DISPLACEMENTMAP\n #include <beginnormal_vertex>\n #include <morphnormal_vertex>\n #include <skinnormal_vertex>\n #endif\n #include <begin_vertex>\n #include <morphtarget_vertex>\n #include <skinning_vertex>\n #include <displacementmap_vertex>\n #include <project_vertex>\n #include <logdepthbuf_vertex>\n #include <clipping_planes_vertex>\n vHighPrecisionZW = gl_Position.zw;\n}",depth_frag:"#if DEPTH_PACKING == 3200\n uniform float opacity;\n#endif\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvarying vec2 vHighPrecisionZW;\nvoid main() {\n vec4 diffuseColor = vec4( 1.0 );\n #include <clipping_planes_fragment>\n #if DEPTH_PACKING == 3200\n diffuseColor.a = opacity;\n #endif\n #include <map_fragment>\n #include <alphamap_fragment>\n #include <alphatest_fragment>\n #include <alphahash_fragment>\n #include <logdepthbuf_fragment>\n float fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n #if DEPTH_PACKING == 3200\n gl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n #elif DEPTH_PACKING == 3201\n gl_FragColor = packDepthToRGBA( fragCoordZ );\n #endif\n}",distanceRGBA_vert:"#define DISTANCE\nvarying vec3 vWorldPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n #include <uv_vertex>\n #include <batching_vertex>\n #include <skinbase_vertex>\n #include <morphinstance_vertex>\n #ifdef USE_DISPLACEMENTMAP\n #include <beginnormal_vertex>\n #include <morphnormal_vertex>\n #include <skinnormal_vertex>\n #endif\n #include <begin_vertex>\n #include <morphtarget_vertex>\n #include <skinning_vertex>\n #include <displacementmap_vertex>\n #include <project_vertex>\n #include <worldpos_vertex>\n #include <clipping_planes_vertex>\n vWorldPosition = worldPosition.xyz;\n}",distanceRGBA_frag:"#define DISTANCE\nuniform vec3 referencePosition;\nuniform float nearDistance;\nuniform float farDistance;\nvarying vec3 vWorldPosition;\n#include <common>\n#include <packing>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main () {\n vec4 diffuseColor = vec4( 1.0 );\n #include <clipping_planes_fragment>\n #include <map_fragment>\n #include <alphamap_fragment>\n #include <alphatest_fragment>\n #include <alphahash_fragment>\n float dist = length( vWorldPosition - referencePosition );\n dist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n dist = saturate( dist );\n gl_FragColor = packDepthToRGBA( dist );\n}",equirect_vert:"varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n vWorldDirection = transformDirection( position, modelMatrix );\n #include <begin_vertex>\n #include <project_vertex>\n}",equirect_frag:"uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n vec3 direction = normalize( vWorldDirection );\n vec2 sampleUV = equirectUv( direction );\n gl_FragColor = texture2D( tEquirect, sampleUV );\n #include <tonemapping_fragment>\n #include <colorspace_fragment>\n}",linedashed_vert:"uniform float scale;\nattribute float lineDistance;\nvarying float vLineDistance;\n#include <common>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n vLineDistance = scale * lineDistance;\n #include <uv_vertex>\n #include <color_vertex>\n #include <morphinstance_vertex>\n #include <morphcolor_vertex>\n #include <begin_vertex>\n #include <morphtarget_vertex>\n #include <project_vertex>\n #include <logdepthbuf_vertex>\n #include <clipping_planes_vertex>\n #include <fog_vertex>\n}",linedashed_frag:"uniform vec3 diffuse;\nuniform float opacity;\nuniform float dashSize;\nuniform float totalSize;\nvarying float vLineDistance;\n#include <common>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n vec4 diffuseColor = vec4( diffuse, opacity );\n #include <clipping_planes_fragment>\n if ( mod( vLineDistance, totalSize ) > dashSize ) {\n discard;\n }\n vec3 outgoingLight = vec3( 0.0 );\n #include <logdepthbuf_fragment>\n #include <map_fragment>\n #include <color_fragment>\n outgoingLight = diffuseColor.rgb;\n #include <opaque_fragment>\n #include <tonemapping_fragment>\n #include <colorspace_fragment>\n #include <fog_fragment>\n #include <premultiplied_alpha_fragment>\n}",meshbasic_vert:"#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n #include <uv_vertex>\n #include <color_vertex>\n #include <morphinstance_vertex>\n #include <morphcolor_vertex>\n #include <batching_vertex>\n #if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n #include <beginnormal_vertex>\n #include <morphnormal_vertex>\n #include <skinbase_vertex>\n #include <skinnormal_vertex>\n #include <defaultnormal_vertex>\n #endif\n #include <begin_vertex>\n #include <morphtarget_vertex>\n #include <skinning_vertex>\n #include <project_vertex>\n #include <logdepthbuf_vertex>\n #include <clipping_planes_vertex>\n #include <worldpos_vertex>\n #include <envmap_vertex>\n #include <fog_vertex>\n}",meshbasic_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n varying vec3 vNormal;\n#endif\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n vec4 diffuseColor = vec4( diffuse, opacity );\n #include <clipping_planes_fragment>\n #include <logdepthbuf_fragment>\n #include <map_fragment>\n #include <color_fragment>\n #include <alphamap_fragment>\n #include <alphatest_fragment>\n #include <alphahash_fragment>\n #include <specularmap_fragment>\n ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n #ifdef USE_LIGHTMAP\n vec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n reflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\n #else\n reflectedLight.indirectDiffuse += vec3( 1.0 );\n #endif\n #include <aomap_fragment>\n reflectedLight.indirectDiffuse *= diffuseColor.rgb;\n vec3 outgoingLight = reflectedLight.indirectDiffuse;\n #include <envmap_fragment>\n #include <opaque_fragment>\n #include <tonemapping_fragment>\n #include <colorspace_fragment>\n #include <fog_fragment>\n #include <premultiplied_alpha_fragment>\n #include <dithering_fragment>\n}",meshlambert_vert:"#define LAMBERT\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n #include <uv_vertex>\n #include <color_vertex>\n #include <morphinstance_vertex>\n #include <morphcolor_vertex>\n #include <batching_vertex>\n #include <beginnormal_vertex>\n #include <morphnormal_vertex>\n #include <skinbase_vertex>\n #include <skinnormal_vertex>\n #include <defaultnormal_vertex>\n #include <normal_vertex>\n #include <begin_vertex>\n #include <morphtarget_vertex>\n #include <skinning_vertex>\n #include <displacementmap_vertex>\n #include <project_vertex>\n #include <logdepthbuf_vertex>\n #include <clipping_planes_vertex>\n vViewPosition = - mvPosition.xyz;\n #include <worldpos_vertex>\n #include <envmap_vertex>\n #include <shadowmap_vertex>\n #include <fog_vertex>\n}",meshlambert_frag:"#define LAMBERT\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_lambert_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n vec4 diffuseColor = vec4( diffuse, opacity );\n #include <clipping_planes_fragment>\n ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n vec3 totalEmissiveRadiance = emissive;\n #include <logdepthbuf_fragment>\n #include <map_fragment>\n #include <color_fragment>\n #include <alphamap_fragment>\n #include <alphatest_fragment>\n #include <alphahash_fragment>\n #include <specularmap_fragment>\n #include <normal_fragment_begin>\n #include <normal_fragment_maps>\n #include <emissivemap_fragment>\n #include <lights_lambert_fragment>\n #include <lights_fragment_begin>\n #include <lights_fragment_maps>\n #include <lights_fragment_end>\n #include <aomap_fragment>\n vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n #include <envmap_fragment>\n #include <opaque_fragment>\n #include <tonemapping_fragment>\n #include <colorspace_fragment>\n #include <fog_fragment>\n #include <premultiplied_alpha_fragment>\n #include <dithering_fragment>\n}",meshmatcap_vert:"#define MATCAP\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <color_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n #include <uv_vertex>\n #include <color_vertex>\n #include <morphinstance_vertex>\n #include <morphcolor_vertex>\n #include <batching_vertex>\n #include <beginnormal_vertex>\n #include <morphnormal_vertex>\n #include <skinbase_vertex>\n #include <skinnormal_vertex>\n #include <defaultnormal_vertex>\n #include <normal_vertex>\n #include <begin_vertex>\n #include <morphtarget_vertex>\n #include <skinning_vertex>\n #include <displacementmap_vertex>\n #include <project_vertex>\n #include <logdepthbuf_vertex>\n #include <clipping_planes_vertex>\n #include <fog_vertex>\n vViewPosition = - mvPosition.xyz;\n}",meshmatcap_frag:"#define MATCAP\nuniform vec3 diffuse;\nuniform float opacity;\nuniform sampler2D matcap;\nvarying vec3 vViewPosition;\n#include <common>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <fog_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n vec4 diffuseColor = vec4( diffuse, opacity );\n #include <clipping_planes_fragment>\n #include <logdepthbuf_fragment>\n #include <map_fragment>\n #include <color_fragment>\n #include <alphamap_fragment>\n #include <alphatest_fragment>\n #include <alphahash_fragment>\n #include <normal_fragment_begin>\n #include <normal_fragment_maps>\n vec3 viewDir = normalize( vViewPosition );\n vec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n vec3 y = cross( viewDir, x );\n vec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n #ifdef USE_MATCAP\n vec4 matcapColor = texture2D( matcap, uv );\n #else\n vec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n #endif\n vec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n #include <opaque_fragment>\n #include <tonemapping_fragment>\n #include <colorspace_fragment>\n #include <fog_fragment>\n #include <premultiplied_alpha_fragment>\n #include <dithering_fragment>\n}",meshnormal_vert:"#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n varying vec3 vViewPosition;\n#endif\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n #include <uv_vertex>\n #include <batching_vertex>\n #include <beginnormal_vertex>\n #include <morphinstance_vertex>\n #include <morphnormal_vertex>\n #include <skinbase_vertex>\n #include <skinnormal_vertex>\n #include <defaultnormal_vertex>\n #include <normal_vertex>\n #include <begin_vertex>\n #include <morphtarget_vertex>\n #include <skinning_vertex>\n #include <displacementmap_vertex>\n #include <project_vertex>\n #include <logdepthbuf_vertex>\n #include <clipping_planes_vertex>\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n vViewPosition = - mvPosition.xyz;\n#endif\n}",meshnormal_frag:"#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n varying vec3 vViewPosition;\n#endif\n#include <packing>\n#include <uv_pars_fragment>\n#include <normal_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n vec4 diffuseColor = vec4( 0.0, 0.0, 0.0, opacity );\n #include <clipping_planes_fragment>\n #include <logdepthbuf_fragment>\n #include <normal_fragment_begin>\n #include <normal_fragment_maps>\n gl_FragColor = vec4( packNormalToRGB( normal ), diffuseColor.a );\n #ifdef OPAQUE\n gl_FragColor.a = 1.0;\n #endif\n}",meshphong_vert:"#define PHONG\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <envmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n #include <uv_vertex>\n #include <color_vertex>\n #include <morphcolor_vertex>\n #include <batching_vertex>\n #include <beginnormal_vertex>\n #include <morphinstance_vertex>\n #include <morphnormal_vertex>\n #include <skinbase_vertex>\n #include <skinnormal_vertex>\n #include <defaultnormal_vertex>\n #include <normal_vertex>\n #include <begin_vertex>\n #include <morphtarget_vertex>\n #include <skinning_vertex>\n #include <displacementmap_vertex>\n #include <project_vertex>\n #include <logdepthbuf_vertex>\n #include <clipping_planes_vertex>\n vViewPosition = - mvPosition.xyz;\n #include <worldpos_vertex>\n #include <envmap_vertex>\n #include <shadowmap_vertex>\n #include <fog_vertex>\n}",meshphong_frag:"#define PHONG\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform vec3 specular;\nuniform float shininess;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_phong_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <specularmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n vec4 diffuseColor = vec4( diffuse, opacity );\n #include <clipping_planes_fragment>\n ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n vec3 totalEmissiveRadiance = emissive;\n #include <logdepthbuf_fragment>\n #include <map_fragment>\n #include <color_fragment>\n #include <alphamap_fragment>\n #include <alphatest_fragment>\n #include <alphahash_fragment>\n #include <specularmap_fragment>\n #include <normal_fragment_begin>\n #include <normal_fragment_maps>\n #include <emissivemap_fragment>\n #include <lights_phong_fragment>\n #include <lights_fragment_begin>\n #include <lights_fragment_maps>\n #include <lights_fragment_end>\n #include <aomap_fragment>\n vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n #include <envmap_fragment>\n #include <opaque_fragment>\n #include <tonemapping_fragment>\n #include <colorspace_fragment>\n #include <fog_fragment>\n #include <premultiplied_alpha_fragment>\n #include <dithering_fragment>\n}",meshphysical_vert:"#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n varying vec3 vWorldPosition;\n#endif\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n #include <uv_vertex>\n #include <color_vertex>\n #include <morphinstance_vertex>\n #include <morphcolor_vertex>\n #include <batching_vertex>\n #include <beginnormal_vertex>\n #include <morphnormal_vertex>\n #include <skinbase_vertex>\n #include <skinnormal_vertex>\n #include <defaultnormal_vertex>\n #include <normal_vertex>\n #include <begin_vertex>\n #include <morphtarget_vertex>\n #include <skinning_vertex>\n #include <displacementmap_vertex>\n #include <project_vertex>\n #include <logdepthbuf_vertex>\n #include <clipping_planes_vertex>\n vViewPosition = - mvPosition.xyz;\n #include <worldpos_vertex>\n #include <shadowmap_vertex>\n #include <fog_vertex>\n#ifdef USE_TRANSMISSION\n vWorldPosition = worldPosition.xyz;\n#endif\n}",meshphysical_frag:"#define STANDARD\n#ifdef PHYSICAL\n #define IOR\n #define USE_SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n uniform float ior;\n#endif\n#ifdef USE_SPECULAR\n uniform float specularIntensity;\n uniform vec3 specularColor;\n #ifdef USE_SPECULAR_COLORMAP\n uniform sampler2D specularColorMap;\n #endif\n #ifdef USE_SPECULAR_INTENSITYMAP\n uniform sampler2D specularIntensityMap;\n #endif\n#endif\n#ifdef USE_CLEARCOAT\n uniform float clearcoat;\n uniform float clearcoatRoughness;\n#endif\n#ifdef USE_DISPERSION\n uniform float dispersion;\n#endif\n#ifdef USE_IRIDESCENCE\n uniform float iridescence;\n uniform float iridescenceIOR;\n uniform float iridescenceThicknessMinimum;\n uniform float iridescenceThicknessMaximum;\n#endif\n#ifdef USE_SHEEN\n uniform vec3 sheenColor;\n uniform float sheenRoughness;\n #ifdef USE_SHEEN_COLORMAP\n uniform sampler2D sheenColorMap;\n #endif\n #ifdef USE_SHEEN_ROUGHNESSMAP\n uniform sampler2D sheenRoughnessMap;\n #endif\n#endif\n#ifdef USE_ANISOTROPY\n uniform vec2 anisotropyVector;\n #ifdef USE_ANISOTROPYMAP\n uniform sampler2D anisotropyMap;\n #endif\n#endif\nvarying vec3 vViewPosition;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <iridescence_fragment>\n#include <cube_uv_reflection_fragment>\n#include <envmap_common_pars_fragment>\n#include <envmap_physical_pars_fragment>\n#include <fog_pars_fragment>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_physical_pars_fragment>\n#include <transmission_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <clearcoat_pars_fragment>\n#include <iridescence_pars_fragment>\n#include <roughnessmap_pars_fragment>\n#include <metalnessmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n vec4 diffuseColor = vec4( diffuse, opacity );\n #include <clipping_planes_fragment>\n ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n vec3 totalEmissiveRadiance = emissive;\n #include <logdepthbuf_fragment>\n #include <map_fragment>\n #include <color_fragment>\n #include <alphamap_fragment>\n #include <alphatest_fragment>\n #include <alphahash_fragment>\n #include <roughnessmap_fragment>\n #include <metalnessmap_fragment>\n #include <normal_fragment_begin>\n #include <normal_fragment_maps>\n #include <clearcoat_normal_fragment_begin>\n #include <clearcoat_normal_fragment_maps>\n #include <emissivemap_fragment>\n #include <lights_physical_fragment>\n #include <lights_fragment_begin>\n #include <lights_fragment_maps>\n #include <lights_fragment_end>\n #include <aomap_fragment>\n vec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n vec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n #include <transmission_fragment>\n vec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n #ifdef USE_SHEEN\n float sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\n outgoingLight = outgoingLight * sheenEnergyComp + sheenSpecularDirect + sheenSpecularIndirect;\n #endif\n #ifdef USE_CLEARCOAT\n float dotNVcc = saturate( dot( geometryClearcoatNormal, geometryViewDir ) );\n vec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n outgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + ( clearcoatSpecularDirect + clearcoatSpecularIndirect ) * material.clearcoat;\n #endif\n #include <opaque_fragment>\n #include <tonemapping_fragment>\n #include <colorspace_fragment>\n #include <fog_fragment>\n #include <premultiplied_alpha_fragment>\n #include <dithering_fragment>\n}",meshtoon_vert:"#define TOON\nvarying vec3 vViewPosition;\n#include <common>\n#include <batching_pars_vertex>\n#include <uv_pars_vertex>\n#include <displacementmap_pars_vertex>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <normal_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <shadowmap_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\nvoid main() {\n #include <uv_vertex>\n #include <color_vertex>\n #include <morphinstance_vertex>\n #include <morphcolor_vertex>\n #include <batching_vertex>\n #include <beginnormal_vertex>\n #include <morphnormal_vertex>\n #include <skinbase_vertex>\n #include <skinnormal_vertex>\n #include <defaultnormal_vertex>\n #include <normal_vertex>\n #include <begin_vertex>\n #include <morphtarget_vertex>\n #include <skinning_vertex>\n #include <displacementmap_vertex>\n #include <project_vertex>\n #include <logdepthbuf_vertex>\n #include <clipping_planes_vertex>\n vViewPosition = - mvPosition.xyz;\n #include <worldpos_vertex>\n #include <shadowmap_vertex>\n #include <fog_vertex>\n}",meshtoon_frag:"#define TOON\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float opacity;\n#include <common>\n#include <packing>\n#include <dithering_pars_fragment>\n#include <color_pars_fragment>\n#include <uv_pars_fragment>\n#include <map_pars_fragment>\n#include <alphamap_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <aomap_pars_fragment>\n#include <lightmap_pars_fragment>\n#include <emissivemap_pars_fragment>\n#include <gradientmap_pars_fragment>\n#include <fog_pars_fragment>\n#include <bsdfs>\n#include <lights_pars_begin>\n#include <normal_pars_fragment>\n#include <lights_toon_pars_fragment>\n#include <shadowmap_pars_fragment>\n#include <bumpmap_pars_fragment>\n#include <normalmap_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n vec4 diffuseColor = vec4( diffuse, opacity );\n #include <clipping_planes_fragment>\n ReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n vec3 totalEmissiveRadiance = emissive;\n #include <logdepthbuf_fragment>\n #include <map_fragment>\n #include <color_fragment>\n #include <alphamap_fragment>\n #include <alphatest_fragment>\n #include <alphahash_fragment>\n #include <normal_fragment_begin>\n #include <normal_fragment_maps>\n #include <emissivemap_fragment>\n #include <lights_toon_fragment>\n #include <lights_fragment_begin>\n #include <lights_fragment_maps>\n #include <lights_fragment_end>\n #include <aomap_fragment>\n vec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n #include <opaque_fragment>\n #include <tonemapping_fragment>\n #include <colorspace_fragment>\n #include <fog_fragment>\n #include <premultiplied_alpha_fragment>\n #include <dithering_fragment>\n}",points_vert:"uniform float size;\nuniform float scale;\n#include <common>\n#include <color_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <clipping_planes_pars_vertex>\n#ifdef USE_POINTS_UV\n varying vec2 vUv;\n uniform mat3 uvTransform;\n#endif\nvoid main() {\n #ifdef USE_POINTS_UV\n vUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n #endif\n #include <color_vertex>\n #include <morphinstance_vertex>\n #include <morphcolor_vertex>\n #include <begin_vertex>\n #include <morphtarget_vertex>\n #include <project_vertex>\n gl_PointSize = size;\n #ifdef USE_SIZEATTENUATION\n bool isPerspective = isPerspectiveMatrix( projectionMatrix );\n if ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n #endif\n #include <logdepthbuf_vertex>\n #include <clipping_planes_vertex>\n #include <worldpos_vertex>\n #include <fog_vertex>\n}",points_frag:"uniform vec3 diffuse;\nuniform float opacity;\n#include <common>\n#include <color_pars_fragment>\n#include <map_particle_pars_fragment>\n#include <alphatest_pars_fragment>\n#include <alphahash_pars_fragment>\n#include <fog_pars_fragment>\n#include <logdepthbuf_pars_fragment>\n#include <clipping_planes_pars_fragment>\nvoid main() {\n vec4 diffuseColor = vec4( diffuse, opacity );\n #include <clipping_planes_fragment>\n vec3 outgoingLight = vec3( 0.0 );\n #include <logdepthbuf_fragment>\n #include <map_particle_fragment>\n #include <color_fragment>\n #include <alphatest_fragment>\n #include <alphahash_fragment>\n outgoingLight = diffuseColor.rgb;\n #include <opaque_fragment>\n #include <tonemapping_fragment>\n #include <colorspace_fragment>\n #include <fog_fragment>\n #include <premultiplied_alpha_fragment>\n}",shadow_vert:"#include <common>\n#include <batching_pars_vertex>\n#include <fog_pars_vertex>\n#include <morphtarget_pars_vertex>\n#include <skinning_pars_vertex>\n#include <logdepthbuf_pars_vertex>\n#include <shadowmap_pars_vertex>\nvoid main() {\n #include <batching_vertex>\n #include <beginnormal_vertex>\n #include <morphinstance_vertex>\n #include <morphnormal_vertex>\n #include <skinbase_vertex>\n #include <skinnormal_vertex>\n #include <defaultnormal_vertex>\n #include <begin_vertex>\n #include 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0===i[e.id])continue;let r=i[e.id];for(let e in r)l(r[e].object),delete r[e];delete i[e.id]}},initAttributes:u,enableAttribute:c,disableUnusedAttributes:p}}function aI(e,t,i){let n;function r(t,r,a){0!==a&&(e.drawArraysInstanced(n,t,r,a),i.update(r,n,a))}this.setMode=function(e){n=e},this.render=function(t,r){e.drawArrays(n,t,r),i.update(r,n,1)},this.renderInstances=r,this.renderMultiDraw=function(e,r,a){if(0===a)return;let s=t.get("WEBGL_multi_draw");if(null===s)for(let t=0;t<a;t++)this.render(e[t],r[t]);else{s.multiDrawArraysWEBGL(n,e,0,r,0,a);let t=0;for(let e=0;e<a;e++)t+=r[e];i.update(t,n,1)}},this.renderMultiDrawInstances=function(e,a,s,o){if(0===s)return;let l=t.get("WEBGL_multi_draw");if(null===l)for(let t=0;t<e.length;t++)r(e[t],a[t],o[t]);else{l.multiDrawArraysInstancedWEBGL(n,e,0,a,0,o,0,s);let t=0;for(let e=0;e<s;e++)t+=a[e];for(let e=0;e<o.length;e++)i.update(t,n,o[e])}}}function aU(e,t,i,n){let r;function a(t){if("highp"===t){if(e.getShaderPrecisionFormat(e.VERTEX_SHADER,e.HIGH_FLOAT).precision>0&&e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.HIGH_FLOAT).precision>0)return"highp";t="mediump"}return"mediump"===t&&e.getShaderPrecisionFormat(e.VERTEX_SHADER,e.MEDIUM_FLOAT).precision>0&&e.getShaderPrecisionFormat(e.FRAGMENT_SHADER,e.MEDIUM_FLOAT).precision>0?"mediump":"lowp"}let s=void 0!==i.precision?i.precision:"highp",o=a(s);o!==s&&(console.warn("THREE.WebGLRenderer:",s,"not supported, using",o,"instead."),s=o);let l=!0===i.logarithmicDepthBuffer,h=e.getParameter(e.MAX_TEXTURE_IMAGE_UNITS),u=e.getParameter(e.MAX_VERTEX_TEXTURE_IMAGE_UNITS),c=e.getParameter(e.MAX_TEXTURE_SIZE),d=e.getParameter(e.MAX_CUBE_MAP_TEXTURE_SIZE),p=e.getParameter(e.MAX_VERTEX_ATTRIBS),f=e.getParameter(e.MAX_VERTEX_UNIFORM_VECTORS);return{isWebGL2:!0,getMaxAnisotropy:function(){if(void 0!==r)return r;if(!0===t.has("EXT_texture_filter_anisotropic")){let i=t.get("EXT_texture_filter_anisotropic");r=e.getParameter(i.MAX_TEXTURE_MAX_ANISOTROPY_EXT)}else r=0;return r},getMaxPrecision:a,textureFormatReadable:function(t){return t===eY||n.convert(t)===e.getParameter(e.IMPLEMENTATION_COLOR_READ_FORMAT)},textureTypeReadable:function(i){let r=i===eV&&(t.has("EXT_color_buffer_half_float")||t.has("EXT_color_buffer_float"));return i===eN||n.convert(i)===e.getParameter(e.IMPLEMENTATION_COLOR_READ_TYPE)||i===ek||!!r},precision:s,logarithmicDepthBuffer:l,maxTextures:h,maxVertexTextures:u,maxTextureSize:c,maxCubemapSize:d,maxAttributes:p,maxVertexUniforms:f,maxVaryings:e.getParameter(e.MAX_VARYING_VECTORS),maxFragmentUniforms:e.getParameter(e.MAX_FRAGMENT_UNIFORM_VECTORS),vertexTextures:u>0,maxSamples:e.getParameter(e.MAX_SAMPLES)}}function aN(e){let t=this,i=null,n=0,r=!1,a=!1,s=new a_,o=new iV,l={value:null,needsUpdate:!1};function h(e,i,n,r){let a=null!==e?e.length:0,h=null;if(0!==a){if(h=l.value,!0!==r||null===h){let t=n+4*a,r=i.matrixWorldInverse;o.getNormalMatrix(r),(null===h||h.length<t)&&(h=new Float32Array(t));for(let t=0,i=n;t!==a;++t,i+=4)s.copy(e[t]).applyMatrix4(r,o),s.normal.toArray(h,i),h[i+3]=s.constant}l.value=h,l.needsUpdate=!0}return t.numPlanes=a,t.numIntersection=0,h}this.uniform=l,this.numPlanes=0,this.numIntersection=0,this.init=function(e,t){let i=0!==e.length||t||0!==n||r;return r=t,n=e.length,i},this.beginShadows=function(){a=!0,h(null)},this.endShadows=function(){a=!1},this.setGlobalState=function(e,t){i=h(e,t,0)},this.setState=function(s,o,u){let c=s.clippingPlanes,d=s.clipIntersection,p=s.clipShadows,f=e.get(s);if(r&&null!==c&&0!==c.length&&(!a||p)){let e=a?0:n,t=4*e,r=f.clippingState||null;l.value=r,r=h(c,o,t,u);for(let e=0;e!==t;++e)r[e]=i[e];f.clippingState=r,this.numIntersection=d?this.numPlanes:0,this.numPlanes+=e}else a?h(null):(l.value!==i&&(l.value=i,l.needsUpdate=n>0),t.numPlanes=n,t.numIntersection=0)}}function aD(e){let t=new WeakMap;function i(e,t){return t===ev?e.mapping=eg:t===ex&&(e.mapping=e_),e}function n(e){let i=e.target;i.removeEventListener("dispose",n);let r=t.get(i);void 0!==r&&(t.delete(i),r.dispose())}return{get:function(r){if(r&&r.isTexture){let a=r.mapping;if(a===ev||a===ex){if(t.has(r))return i(t.get(r).texture,r.mapping);{let a=r.image;if(!a||!(a.height>0))return null;{let s=new ap(a.height);return s.fromEquirectangularTexture(e,r),t.set(r,s),r.addEventListener("dispose",n),i(s.texture,r.mapping)}}}}return r},dispose:function(){t=new WeakMap}}}class aO extends as{constructor(e=-1,t=1,i=1,n=-1,r=.1,a=2e3){super(),this.isOrthographicCamera=!0,this.type="OrthographicCamera",this.zoom=1,this.view=null,this.left=e,this.right=t,this.top=i,this.bottom=n,this.near=r,this.far=a,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.left=e.left,this.right=e.right,this.top=e.top,this.bottom=e.bottom,this.near=e.near,this.far=e.far,this.zoom=e.zoom,this.view=null===e.view?null:Object.assign({},e.view),this}setViewOffset(e,t,i,n,r,a){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=i,this.view.offsetY=n,this.view.width=r,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){let e=(this.right-this.left)/(2*this.zoom),t=(this.top-this.bottom)/(2*this.zoom),i=(this.right+this.left)/2,n=(this.top+this.bottom)/2,r=i-e,a=i+e,s=n+t,o=n-t;if(null!==this.view&&this.view.enabled){let e=(this.right-this.left)/this.view.fullWidth/this.zoom,t=(this.top-this.bottom)/this.view.fullHeight/this.zoom;r+=e*this.view.offsetX,a=r+e*this.view.width,s-=t*this.view.offsetY,o=s-t*this.view.height}this.projectionMatrix.makeOrthographic(r,a,s,o,this.near,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){let t=super.toJSON(e);return t.object.zoom=this.zoom,t.object.left=this.left,t.object.right=this.right,t.object.top=this.top,t.object.bottom=this.bottom,t.object.near=this.near,t.object.far=this.far,null!==this.view&&(t.object.view=Object.assign({},this.view)),t}}let aF=[.125,.215,.35,.446,.526,.582],aB=new aO,az=new rg,ak=null,aV=0,aH=0,aG=!1,aW=(1+Math.sqrt(5))/2,aX=1/aW,aj=[new no(-aW,aX,0),new no(aW,aX,0),new no(-aX,0,aW),new no(aX,0,aW),new no(0,aW,-aX),new no(0,aW,aX),new no(-1,1,-1),new no(1,1,-1),new no(-1,1,1),new no(1,1,1)];class aq{constructor(e){this._renderer=e,this._pingPongRenderTarget=null,this._lodMax=0,this._cubeSize=0,this._lodPlanes=[],this._sizeLods=[],this._sigmas=[],this._blurMaterial=null,this._cubemapMaterial=null,this._equirectMaterial=null,this._compileMaterial(this._blurMaterial)}fromScene(e,t=0,i=.1,n=100){ak=this._renderer.getRenderTarget(),aV=this._renderer.getActiveCubeFace(),aH=this._renderer.getActiveMipmapLevel(),aG=this._renderer.xr.enabled,this._renderer.xr.enabled=!1,this._setSize(256);let r=this._allocateTargets();return r.depthBuffer=!0,this._sceneToCubeUV(e,i,n,r),t>0&&this._blur(r,0,0,t),this._applyPMREM(r),this._cleanup(r),r}fromEquirectangular(e,t=null){return this._fromTexture(e,t)}fromCubemap(e,t=null){return this._fromTexture(e,t)}compileCubemapShader(){null===this._cubemapMaterial&&(this._cubemapMaterial=aK(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=aJ(),this._compileMaterial(this._equirectMaterial))}dispose(){this._dispose(),null!==this._cubemapMaterial&&this._cubemapMaterial.dispose(),null!==this._equirectMaterial&&this._equirectMaterial.dispose()}_setSize(e){this._lodMax=Math.floor(Math.log2(e)),this._cubeSize=Math.pow(2,this._lodMax)}_dispose(){null!==this._blurMaterial&&this._blurMaterial.dispose(),null!==this._pingPongRenderTarget&&this._pingPongRenderTarget.dispose();for(let e=0;e<this._lodPlanes.length;e++)this._lodPlanes[e].dispose()}_cleanup(e){this._renderer.setRenderTarget(ak,aV,aH),this._renderer.xr.enabled=aG,e.scissorTest=!1,aZ(e,0,0,e.width,e.height)}_fromTexture(e,t){e.mapping===eg||e.mapping===e_?this._setSize(0===e.image.length?16:e.image[0].width||e.image[0].image.width):this._setSize(e.image.width/4),ak=this._renderer.getRenderTarget(),aV=this._renderer.getActiveCubeFace(),aH=this._renderer.getActiveMipmapLevel(),aG=this._renderer.xr.enabled,this._renderer.xr.enabled=!1;let i=t||this._allocateTargets();return this._textureToCubeUV(e,i),this._applyPMREM(i),this._cleanup(i),i}_allocateTargets(){let e=3*Math.max(this._cubeSize,112),t=4*this._cubeSize,i={magFilter:eR,minFilter:eR,generateMipmaps:!1,type:eV,format:eY,colorSpace:tj,depthBuffer:!1},n=aY(e,t,i);if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==e||this._pingPongRenderTarget.height!==t){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=aY(e,t,i);let{_lodMax:n}=this;({sizeLods:this._sizeLods,lodPlanes:this._lodPlanes,sigmas:this._sigmas}=function(e){let t=[],i=[],n=[],r=e,a=e-4+1+aF.length;for(let s=0;s<a;s++){let a=Math.pow(2,r);i.push(a);let o=1/a;s>e-4?o=aF[s-e+4-1]:0===s&&(o=0),n.push(o);let l=1/(a-2),h=-l,u=1+l,c=[h,h,u,h,u,u,h,h,u,u,h,u],d=new Float32Array(108),p=new Float32Array(72),f=new Float32Array(36);for(let e=0;e<6;e++){let t=e%3*2/3-1,i=e>2?0:-1,n=[t,i,0,t+2/3,i,0,t+2/3,i+1,0,t,i,0,t+2/3,i+1,0,t,i+1,0];d.set(n,18*e),p.set(c,12*e);let r=[e,e,e,e,e,e];f.set(r,6*e)}let m=new rW;m.setAttribute("position",new rA(d,3)),m.setAttribute("uv",new rA(p,2)),m.setAttribute("faceIndex",new rA(f,1)),t.push(m),r>4&&r--}return{lodPlanes:t,sizeLods:i,sigmas:n}}(n)),this._blurMaterial=new aa({name:"SphericalGaussianBlur",defines:{n:20,CUBEUV_TEXEL_WIDTH:1/e,CUBEUV_TEXEL_HEIGHT:1/t,CUBEUV_MAX_MIP:`${n}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:new Float32Array(20)},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:new no(0,1,0)}},vertexShader:a$(),fragmentShader:` 37 38 precision mediump float; 39 precision mediump int; 40 41 varying vec3 vOutputDirection; 42 43 uniform sampler2D envMap; 44 uniform int samples; 45 uniform float weights[ n ]; 46 uniform bool latitudinal; 47 uniform float dTheta; 48 uniform float mipInt; 49 uniform vec3 poleAxis; 50 51 #define ENVMAP_TYPE_CUBE_UV 52 #include <cube_uv_reflection_fragment> 53 54 vec3 getSample( float theta, vec3 axis ) { 55 56 float cosTheta = cos( theta ); 57 // Rodrigues' axis-angle rotation 58 vec3 sampleDirection = vOutputDirection * cosTheta 59 + cross( axis, vOutputDirection ) * sin( theta ) 60 + axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta ); 61 62 return bilinearCubeUV( envMap, sampleDirection, mipInt ); 63 64 } 65 66 void main() { 67 68 vec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection ); 69 70 if ( all( equal( axis, vec3( 0.0 ) ) ) ) { 71 72 axis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x ); 73 74 } 75 76 axis = normalize( axis ); 77 78 gl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 ); 79 gl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis ); 80 81 for ( int i = 1; i < n; i++ ) { 82 83 if ( i >= samples ) { 84 85 break; 86 87 } 88 89 float theta = dTheta * float( i ); 90 gl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis ); 91 gl_FragColor.rgb += weights[ i ] * getSample( theta, axis ); 92 93 } 94 95 } 96 `,blending:S,depthTest:!1,depthWrite:!1})}return n}_compileMaterial(e){let t=new r9(this._lodPlanes[0],e);this._renderer.compile(t,aB)}_sceneToCubeUV(e,t,i,n){let r=new au(90,1,t,i),a=[1,-1,1,1,1,1],s=[1,1,1,-1,-1,-1],o=this._renderer,l=o.autoClear,h=o.toneMapping;o.getClearColor(az),o.toneMapping=ea,o.autoClear=!1;let u=new ry({name:"PMREM.Background",side:y,depthWrite:!1,depthTest:!1}),c=new r9(new ae,u),d=!1,p=e.background;p?p.isColor&&(u.color.copy(p),e.background=null,d=!0):(u.color.copy(az),d=!0);for(let t=0;t<6;t++){let i=t%3;0===i?(r.up.set(0,a[t],0),r.lookAt(s[t],0,0)):1===i?(r.up.set(0,0,a[t]),r.lookAt(0,s[t],0)):(r.up.set(0,a[t],0),r.lookAt(0,0,s[t]));let l=this._cubeSize;aZ(n,i*l,t>2?l:0,l,l),o.setRenderTarget(n),d&&o.render(c,r),o.render(e,r)}c.geometry.dispose(),c.material.dispose(),o.toneMapping=h,o.autoClear=l,e.background=p}_textureToCubeUV(e,t){let i=this._renderer,n=e.mapping===eg||e.mapping===e_;n?(null===this._cubemapMaterial&&(this._cubemapMaterial=aK()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===e.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=aJ());let r=n?this._cubemapMaterial:this._equirectMaterial,a=new r9(this._lodPlanes[0],r);r.uniforms.envMap.value=e;let s=this._cubeSize;aZ(t,0,0,3*s,2*s),i.setRenderTarget(t),i.render(a,aB)}_applyPMREM(e){let t=this._renderer,i=t.autoClear;t.autoClear=!1;let n=this._lodPlanes.length;for(let t=1;t<n;t++){let i=Math.sqrt(this._sigmas[t]*this._sigmas[t]-this._sigmas[t-1]*this._sigmas[t-1]),r=aj[(n-t-1)%aj.length];this._blur(e,t-1,t,i,r)}t.autoClear=i}_blur(e,t,i,n,r){let a=this._pingPongRenderTarget;this._halfBlur(e,a,t,i,n,"latitudinal",r),this._halfBlur(a,e,i,i,n,"longitudinal",r)}_halfBlur(e,t,i,n,r,a,s){let o=this._renderer,l=this._blurMaterial;"latitudinal"!==a&&"longitudinal"!==a&&console.error("blur direction must be either latitudinal or longitudinal!");let h=new r9(this._lodPlanes[n],l),u=l.uniforms,c=this._sizeLods[i]-1,d=isFinite(r)?Math.PI/(2*c):2*Math.PI/39,p=r/d,f=isFinite(r)?1+Math.floor(3*p):20;f>20&&console.warn(`sigmaRadians, ${r}, is too large and will clip, as it requested ${f} samples when the maximum is set to 20`);let m=[],g=0;for(let e=0;e<20;++e){let t=e/p,i=Math.exp(-t*t/2);m.push(i),0===e?g+=i:e<f&&(g+=2*i)}for(let e=0;e<m.length;e++)m[e]=m[e]/g;u.envMap.value=e.texture,u.samples.value=f,u.weights.value=m,u.latitudinal.value="latitudinal"===a,s&&(u.poleAxis.value=s);let{_lodMax:_}=this;u.dTheta.value=d,u.mipInt.value=_-i;let v=this._sizeLods[n],x=4*(this._cubeSize-v);aZ(t,3*v*(n>_-4?n-_+4:0),x,3*v,2*v),o.setRenderTarget(t),o.render(h,aB)}}function aY(e,t,i){let n=new nt(e,t,i);return n.texture.mapping=ey,n.texture.name="PMREM.cubeUv",n.scissorTest=!0,n}function aZ(e,t,i,n,r){e.viewport.set(t,i,n,r),e.scissor.set(t,i,n,r)}function aJ(){return new aa({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:a$(),fragmentShader:` 97 98 precision mediump float; 99 precision mediump int; 100 101 varying vec3 vOutputDirection; 102 103 uniform sampler2D envMap; 104 105 #include <common> 106 107 void main() { 108 109 vec3 outputDirection = normalize( vOutputDirection ); 110 vec2 uv = equirectUv( outputDirection ); 111 112 gl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 ); 113 114 } 115 `,blending:S,depthTest:!1,depthWrite:!1})}function aK(){return new aa({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},flipEnvMap:{value:-1}},vertexShader:a$(),fragmentShader:` 116 117 precision mediump float; 118 precision mediump int; 119 120 uniform float flipEnvMap; 121 122 varying vec3 vOutputDirection; 123 124 uniform samplerCube envMap; 125 126 void main() { 127 128 gl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) ); 129 130 } 131 `,blending:S,depthTest:!1,depthWrite:!1})}function a$(){return` 132 133 precision mediump float; 134 precision mediump int; 135 136 attribute float faceIndex; 137 138 varying vec3 vOutputDirection; 139 140 // RH coordinate system; PMREM face-indexing convention 141 vec3 getDirection( vec2 uv, float face ) { 142 143 uv = 2.0 * uv - 1.0; 144 145 vec3 direction = vec3( uv, 1.0 ); 146 147 if ( face == 0.0 ) { 148 149 direction = direction.zyx; // ( 1, v, u ) pos x 150 151 } else if ( face == 1.0 ) { 152 153 direction = direction.xzy; 154 direction.xz *= -1.0; // ( -u, 1, -v ) pos y 155 156 } else if ( face == 2.0 ) { 157 158 direction.x *= -1.0; // ( -u, v, 1 ) pos z 159 160 } else if ( face == 3.0 ) { 161 162 direction = direction.zyx; 163 direction.xz *= -1.0; // ( -1, v, -u ) neg x 164 165 } else if ( face == 4.0 ) { 166 167 direction = direction.xzy; 168 direction.xy *= -1.0; // ( -u, -1, v ) neg y 169 170 } else if ( face == 5.0 ) { 171 172 direction.z *= -1.0; // ( u, v, -1 ) neg z 173 174 } 175 176 return direction; 177 178 } 179 180 void main() { 181 182 vOutputDirection = getDirection( uv, faceIndex ); 183 gl_Position = vec4( position, 1.0 ); 184 185 } 186 `}function aQ(e){let t=new WeakMap,i=null;function n(e){let i=e.target;i.removeEventListener("dispose",n);let r=t.get(i);void 0!==r&&(t.delete(i),r.dispose())}return{get:function(r){if(r&&r.isTexture){let a=r.mapping,s=a===ev||a===ex,o=a===eg||a===e_;if(s||o){let a=t.get(r),l=void 0!==a?a.texture.pmremVersion:0;if(r.isRenderTargetTexture&&r.pmremVersion!==l)return null===i&&(i=new aq(e)),(a=s?i.fromEquirectangular(r,a):i.fromCubemap(r,a)).texture.pmremVersion=r.pmremVersion,t.set(r,a),a.texture;if(void 0!==a)return a.texture;{let l=r.image;return s&&l&&l.height>0||o&&l&&function(e){let t=0;for(let i=0;i<6;i++)void 0!==e[i]&&t++;return 6===t}(l)?(null===i&&(i=new 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eM.vertexUv1s=h.has(1),eM.vertexUv2s=h.has(2),eM.vertexUv3s=h.has(3),h.clear(),eM},getProgramCacheKey:function(t){let i=[];if(t.shaderID?i.push(t.shaderID):(i.push(t.customVertexShaderID),i.push(t.customFragmentShaderID)),void 0!==t.defines)for(let e in 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t;let i=f[e.type];if(i){let e=aw[i];t=ar.clone(e.uniforms)}else t=e.uniforms;return t},acquireProgram:function(t,i){let n;for(let e=0,t=u.length;e<t;e++){let t=u[e];if(t.cacheKey===i){n=t,++n.usedTimes;break}}return void 0===n&&(n=new oa(e,i,t,a),u.push(n)),n},releaseProgram:function(e){if(0==--e.usedTimes){let t=u.indexOf(e);u[t]=u[u.length-1],u.pop(),e.destroy()}},releaseShaderCache:function(e){l.remove(e)},programs:u,dispose:function(){l.dispose()}}}function ou(){let e=new WeakMap;return{get:function(t){let i=e.get(t);return void 0===i&&(i={},e.set(t,i)),i},remove:function(t){e.delete(t)},update:function(t,i,n){e.get(t)[i]=n},dispose:function(){e=new WeakMap}}}function oc(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.material.id!==t.material.id?e.material.id-t.material.id:e.z!==t.z?e.z-t.z:e.id-t.id}function od(e,t){return e.groupOrder!==t.groupOrder?e.groupOrder-t.groupOrder:e.renderOrder!==t.renderOrder?e.renderOrder-t.renderOrder:e.z!==t.z?t.z-e.z:e.id-t.id}function op(){let e=[],t=0,i=[],n=[],r=[];function a(i,n,r,a,s,o){let l=e[t];return void 0===l?(l={id:i.id,object:i,geometry:n,material:r,groupOrder:a,renderOrder:i.renderOrder,z:s,group:o},e[t]=l):(l.id=i.id,l.object=i,l.geometry=n,l.material=r,l.groupOrder=a,l.renderOrder=i.renderOrder,l.z=s,l.group=o),t++,l}return{opaque:i,transmissive:n,transparent:r,init:function(){t=0,i.length=0,n.length=0,r.length=0},push:function(e,t,s,o,l,h){let u=a(e,t,s,o,l,h);s.transmission>0?n.push(u):!0===s.transparent?r.push(u):i.push(u)},unshift:function(e,t,s,o,l,h){let u=a(e,t,s,o,l,h);s.transmission>0?n.unshift(u):!0===s.transparent?r.unshift(u):i.unshift(u)},finish:function(){for(let i=t,n=e.length;i<n;i++){let t=e[i];if(null===t.id)break;t.id=null,t.object=null,t.geometry=null,t.material=null,t.group=null}},sort:function(e,t){i.length>1&&i.sort(e||oc),n.length>1&&n.sort(t||od),r.length>1&&r.sort(t||od)}}}function of(){let e=new WeakMap;return{get:function(t,i){let n;let r=e.get(t);return void 0===r?(n=new op,e.set(t,[n])):i>=r.length?(n=new op,r.push(n)):n=r[i],n},dispose:function(){e=new WeakMap}}}function om(){let e={};return{get:function(t){let i;if(void 0!==e[t.id])return e[t.id];switch(t.type){case"DirectionalLight":i={direction:new no,color:new rg};break;case"SpotLight":i={position:new no,direction:new no,color:new rg,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":i={position:new no,color:new rg,distance:0,decay:0};break;case"HemisphereLight":i={direction:new no,skyColor:new rg,groundColor:new rg};break;case"RectAreaLight":i={color:new rg,position:new no,halfWidth:new no,halfHeight:new no}}return e[t.id]=i,i}}}let og=0;function o_(e,t){return(t.castShadow?2:0)-(e.castShadow?2:0)+(t.map?1:0)-(e.map?1:0)}function ov(e){let t=new om,i=function(){let e={};return{get:function(t){let i;if(void 0!==e[t.id])return e[t.id];switch(t.type){case"DirectionalLight":case"SpotLight":i={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new ik};break;case"PointLight":i={shadowBias:0,shadowNormalBias:0,shadowRadius:1,shadowMapSize:new ik,shadowCameraNear:1,shadowCameraFar:1e3}}return e[t.id]=i,i}}}(),n={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1,numSpotMaps:-1,numLightProbes:-1},ambient:[0,0,0],probe:[],directional:[],directionalShadow:[],directionalShadowMap:[],directionalShadowMatrix:[],spot:[],spotLightMap:[],spotShadow:[],spotShadowMap:[],spotLightMatrix:[],rectArea:[],rectAreaLTC1:null,rectAreaLTC2:null,point:[],pointShadow:[],pointShadowMap:[],pointShadowMatrix:[],hemi:[],numSpotLightShadowsWithMaps:0,numLightProbes:0};for(let e=0;e<9;e++)n.probe.push(new no);let r=new no,a=new nF,s=new nF;return{setup:function(r){let a=0,s=0,o=0;for(let e=0;e<9;e++)n.probe[e].set(0,0,0);let l=0,h=0,u=0,c=0,d=0,p=0,f=0,m=0,g=0,_=0,v=0;r.sort(o_);for(let e=0,x=r.length;e<x;e++){let x=r[e],y=x.color,M=x.intensity,S=x.distance,b=x.shadow&&x.shadow.map?x.shadow.map.texture:null;if(x.isAmbientLight)a+=y.r*M,s+=y.g*M,o+=y.b*M;else if(x.isLightProbe){for(let e=0;e<9;e++)n.probe[e].addScaledVector(x.sh.coefficients[e],M);v++}else if(x.isDirectionalLight){let e=t.get(x);if(e.color.copy(x.color).multiplyScalar(x.intensity),x.castShadow){let e=x.shadow,t=i.get(x);t.shadowBias=e.bias,t.shadowNormalBias=e.normalBias,t.shadowRadius=e.radius,t.shadowMapSize=e.mapSize,n.directionalShadow[l]=t,n.directionalShadowMap[l]=b,n.directionalShadowMatrix[l]=x.shadow.matrix,p++}n.directional[l]=e,l++}else if(x.isSpotLight){let e=t.get(x);e.position.setFromMatrixPosition(x.matrixWorld),e.color.copy(y).multiplyScalar(M),e.distance=S,e.coneCos=Math.cos(x.angle),e.penumbraCos=Math.cos(x.angle*(1-x.penumbra)),e.decay=x.decay,n.spot[u]=e;let r=x.shadow;if(x.map&&(n.spotLightMap[g]=x.map,g++,r.updateMatrices(x),x.castShadow&&_++),n.spotLightMatrix[u]=r.matrix,x.castShadow){let e=i.get(x);e.shadowBias=r.bias,e.shadowNormalBias=r.normalBias,e.shadowRadius=r.radius,e.shadowMapSize=r.mapSize,n.spotShadow[u]=e,n.spotShadowMap[u]=b,m++}u++}else if(x.isRectAreaLight){let e=t.get(x);e.color.copy(y).multiplyScalar(M),e.halfWidth.set(.5*x.width,0,0),e.halfHeight.set(0,.5*x.height,0),n.rectArea[c]=e,c++}else if(x.isPointLight){let e=t.get(x);if(e.color.copy(x.color).multiplyScalar(x.intensity),e.distance=x.distance,e.decay=x.decay,x.castShadow){let e=x.shadow,t=i.get(x);t.shadowBias=e.bias,t.shadowNormalBias=e.normalBias,t.shadowRadius=e.radius,t.shadowMapSize=e.mapSize,t.shadowCameraNear=e.camera.near,t.shadowCameraFar=e.camera.far,n.pointShadow[h]=t,n.pointShadowMap[h]=b,n.pointShadowMatrix[h]=x.shadow.matrix,f++}n.point[h]=e,h++}else if(x.isHemisphereLight){let e=t.get(x);e.skyColor.copy(x.color).multiplyScalar(M),e.groundColor.copy(x.groundColor).multiplyScalar(M),n.hemi[d]=e,d++}}c>0&&(!0===e.has("OES_texture_float_linear")?(n.rectAreaLTC1=aE.LTC_FLOAT_1,n.rectAreaLTC2=aE.LTC_FLOAT_2):(n.rectAreaLTC1=aE.LTC_HALF_1,n.rectAreaLTC2=aE.LTC_HALF_2)),n.ambient[0]=a,n.ambient[1]=s,n.ambient[2]=o;let x=n.hash;(x.directionalLength!==l||x.pointLength!==h||x.spotLength!==u||x.rectAreaLength!==c||x.hemiLength!==d||x.numDirectionalShadows!==p||x.numPointShadows!==f||x.numSpotShadows!==m||x.numSpotMaps!==g||x.numLightProbes!==v)&&(n.directional.length=l,n.spot.length=u,n.rectArea.length=c,n.point.length=h,n.hemi.length=d,n.directionalShadow.length=p,n.directionalShadowMap.length=p,n.pointShadow.length=f,n.pointShadowMap.length=f,n.spotShadow.length=m,n.spotShadowMap.length=m,n.directionalShadowMatrix.length=p,n.pointShadowMatrix.length=f,n.spotLightMatrix.length=m+g-_,n.spotLightMap.length=g,n.numSpotLightShadowsWithMaps=_,n.numLightProbes=v,x.directionalLength=l,x.pointLength=h,x.spotLength=u,x.rectAreaLength=c,x.hemiLength=d,x.numDirectionalShadows=p,x.numPointShadows=f,x.numSpotShadows=m,x.numSpotMaps=g,x.numLightProbes=v,n.version=og++)},setupView:function(e,t){let i=0,o=0,l=0,h=0,u=0,c=t.matrixWorldInverse;for(let t=0,d=e.length;t<d;t++){let d=e[t];if(d.isDirectionalLight){let e=n.directional[i];e.direction.setFromMatrixPosition(d.matrixWorld),r.setFromMatrixPosition(d.target.matrixWorld),e.direction.sub(r),e.direction.transformDirection(c),i++}else if(d.isSpotLight){let e=n.spot[l];e.position.setFromMatrixPosition(d.matrixWorld),e.position.applyMatrix4(c),e.direction.setFromMatrixPosition(d.matrixWorld),r.setFromMatrixPosition(d.target.matrixWorld),e.direction.sub(r),e.direction.transformDirection(c),l++}else if(d.isRectAreaLight){let e=n.rectArea[h];e.position.setFromMatrixPosition(d.matrixWorld),e.position.applyMatrix4(c),s.identity(),a.copy(d.matrixWorld),a.premultiply(c),s.extractRotation(a),e.halfWidth.set(.5*d.width,0,0),e.halfHeight.set(0,.5*d.height,0),e.halfWidth.applyMatrix4(s),e.halfHeight.applyMatrix4(s),h++}else if(d.isPointLight){let e=n.point[o];e.position.setFromMatrixPosition(d.matrixWorld),e.position.applyMatrix4(c),o++}else if(d.isHemisphereLight){let 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r=f.getViewport(i);s.set(a.x*r.x,a.y*r.y,a.x*r.z,a.y*r.w),g.viewport(s),f.updateMatrices(c,i),n=f.getFrustum(),function i(r,a,s,o,l){if(!1===r.visible)return;if(r.layers.test(a.layers)&&(r.isMesh||r.isLine||r.isPoints)&&(r.castShadow||r.receiveShadow&&l===v)&&(!r.frustumCulled||n.intersectsObject(r))){r.modelViewMatrix.multiplyMatrices(s.matrixWorldInverse,r.matrixWorld);let i=t.update(r),n=r.material;if(Array.isArray(n)){let t=i.groups;for(let h=0,u=t.length;h<u;h++){let u=t[h],c=n[u.materialIndex];if(c&&c.visible){let t=T(r,c,o,l);r.onBeforeShadow(e,r,a,s,i,t,u),e.renderBufferDirect(s,null,i,t,r,u),r.onAfterShadow(e,r,a,s,i,t,u)}}}else if(n.visible){let t=T(r,n,o,l);r.onBeforeShadow(e,r,a,s,i,t,null),e.renderBufferDirect(s,null,i,t,r,null),r.onAfterShadow(e,r,a,s,i,t,null)}}let h=r.children;for(let e=0,t=h.length;e<t;e++)i(h[e],a,s,o,l)}(o,l,f.camera,c,this.type)}!0!==f.isPointLightShadow&&this.type===v&&function(i,n){let 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t=Math.max(1,r.width>>u),n=Math.max(1,r.height>>u);h===e.TEXTURE_3D||h===e.TEXTURE_2D_ARRAY?i.texImage3D(h,u,p,t,n,r.depth,0,c,d,null):i.texImage2D(h,u,p,t,n,0,c,d,null)}i.bindFramebuffer(e.FRAMEBUFFER,t),B(r)?l.framebufferTexture2DMultisampleEXT(e.FRAMEBUFFER,o,h,n.get(s).__webglTexture,0,F(r)):(h===e.TEXTURE_2D||h>=e.TEXTURE_CUBE_MAP_POSITIVE_X&&h<=e.TEXTURE_CUBE_MAP_NEGATIVE_Z)&&e.framebufferTexture2D(e.FRAMEBUFFER,o,h,n.get(s).__webglTexture,u),i.bindFramebuffer(e.FRAMEBUFFER,null)}function U(t,i,n){if(e.bindRenderbuffer(e.RENDERBUFFER,t),i.depthBuffer){let r=i.depthTexture,a=r&&r.isDepthTexture?r.type:null,s=x(i.stencilBuffer,a),o=i.stencilBuffer?e.DEPTH_STENCIL_ATTACHMENT:e.DEPTH_ATTACHMENT,h=F(i);B(i)?l.renderbufferStorageMultisampleEXT(e.RENDERBUFFER,h,s,i.width,i.height):n?e.renderbufferStorageMultisample(e.RENDERBUFFER,h,s,i.width,i.height):e.renderbufferStorage(e.RENDERBUFFER,s,i.width,i.height),e.framebufferRenderbuffer(e.FRAMEBUFFER,o,e.RENDERBUFFER,t)}else{let t=i.textures;for(let r=0;r<t.length;r++){let s=t[r],o=a.convert(s.format,s.colorSpace),h=a.convert(s.type),u=v(s.internalFormat,o,h,s.colorSpace),c=F(i);n&&!1===B(i)?e.renderbufferStorageMultisample(e.RENDERBUFFER,c,u,i.width,i.height):B(i)?l.renderbufferStorageMultisampleEXT(e.RENDERBUFFER,c,u,i.width,i.height):e.renderbufferStorage(e.RENDERBUFFER,u,i.width,i.height)}}e.bindRenderbuffer(e.RENDERBUFFER,null)}function N(t){let r=n.get(t),a=!0===t.isWebGLCubeRenderTarget;if(t.depthTexture&&!r.__autoAllocateDepthBuffer){if(a)throw Error("target.depthTexture not supported in Cube render targets");!function(t,r){if(r&&r.isWebGLCubeRenderTarget)throw Error("Depth Texture with cube render targets is not supported");if(i.bindFramebuffer(e.FRAMEBUFFER,t),!(r.depthTexture&&r.depthTexture.isDepthTexture))throw Error("renderTarget.depthTexture must be an instance of 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i.bindFramebuffer(e.FRAMEBUFFER,r.__webglFramebuffer),r.__webglDepthbuffer=e.createRenderbuffer(),U(r.__webglDepthbuffer,t,!1);i.bindFramebuffer(e.FRAMEBUFFER,null)}let D=[],O=[];function F(e){return Math.min(r.maxSamples,e.samples)}function B(e){let i=n.get(e);return e.samples>0&&!0===t.has("WEBGL_multisampled_render_to_texture")&&!1!==i.__useRenderToTexture}function z(e,t){let i=e.colorSpace,n=e.format,r=e.type;return!0===e.isCompressedTexture||!0===e.isVideoTexture||i!==tj&&i!==tW&&(i0.getTransfer(i)===tJ?(n!==eY||r!==eN)&&console.warn("THREE.WebGLTextures: sRGB encoded textures have to use RGBAFormat and UnsignedByteType."):console.error("THREE.WebGLTextures: Unsupported texture color space:",i)),t}function k(e){return"undefined"!=typeof HTMLImageElement&&e instanceof HTMLImageElement?(u.width=e.naturalWidth||e.width,u.height=e.naturalHeight||e.height):"undefined"!=typeof VideoFrame&&e instanceof 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t;i.activeTexture(e.TEXTURE0+o);let n=i0.getPrimaries(i0.workingColorSpace),c=s.colorSpace===tW?null:i0.getPrimaries(s.colorSpace),d=s.colorSpace===tW||n===c?e.NONE:e.BROWSER_DEFAULT_WEBGL;e.pixelStorei(e.UNPACK_FLIP_Y_WEBGL,s.flipY),e.pixelStorei(e.UNPACK_PREMULTIPLY_ALPHA_WEBGL,s.premultiplyAlpha),e.pixelStorei(e.UNPACK_ALIGNMENT,s.unpackAlignment),e.pixelStorei(e.UNPACK_COLORSPACE_CONVERSION_WEBGL,d);let p=s.isCompressedTexture||s.image[0].isCompressedTexture,f=s.image[0]&&s.image[0].isDataTexture,x=[];for(let e=0;e<6;e++)p||f?x[e]=f?s.image[e].image:s.image[e]:x[e]=m(s.image[e],!0,r.maxCubemapSize),x[e]=z(s,x[e]);let M=x[0],S=a.convert(s.format,s.colorSpace),b=a.convert(s.type),T=v(s.internalFormat,S,b,s.colorSpace),E=!0!==s.isVideoTexture,w=void 0===u.__version||!0===l,A=h.dataReady,C=y(s,M);if(R(e.TEXTURE_CUBE_MAP,s),p){E&&w&&i.texStorage2D(e.TEXTURE_CUBE_MAP,C,T,M.width,M.height);for(let n=0;n<6;n++){t=x[n].mipmaps;for(let r=0;r<t.length;r++){let a=t[r];s.format!==eY?null!==S?E?A&&i.compressedTexSubImage2D(e.TEXTURE_CUBE_MAP_POSITIVE_X+n,r,0,0,a.width,a.height,S,a.data):i.compressedTexImage2D(e.TEXTURE_CUBE_MAP_POSITIVE_X+n,r,T,a.width,a.height,0,a.data):console.warn("THREE.WebGLRenderer: Attempt to load unsupported compressed texture format in .setTextureCube()"):E?A&&i.texSubImage2D(e.TEXTURE_CUBE_MAP_POSITIVE_X+n,r,0,0,a.width,a.height,S,b,a.data):i.texImage2D(e.TEXTURE_CUBE_MAP_POSITIVE_X+n,r,T,a.width,a.height,0,S,b,a.data)}}}else{if(t=s.mipmaps,E&&w){t.length>0&&C++;let n=k(x[0]);i.texStorage2D(e.TEXTURE_CUBE_MAP,C,T,n.width,n.height)}for(let n=0;n<6;n++)if(f){E?A&&i.texSubImage2D(e.TEXTURE_CUBE_MAP_POSITIVE_X+n,0,0,0,x[n].width,x[n].height,S,b,x[n].data):i.texImage2D(e.TEXTURE_CUBE_MAP_POSITIVE_X+n,0,T,x[n].width,x[n].height,0,S,b,x[n].data);for(let r=0;r<t.length;r++){let a=t[r].image[n].image;E?A&&i.texSubImage2D(e.TEXTURE_CUBE_MAP_POSITIVE_X+n,r+1,0,0,a.width,a.height,S,b,a.data):i.texImage2D(e.TEXTURE_CUBE_MAP_POSITIVE_X+n,r+1,T,a.width,a.height,0,S,b,a.data)}}else{E?A&&i.texSubImage2D(e.TEXTURE_CUBE_MAP_POSITIVE_X+n,0,0,0,S,b,x[n]):i.texImage2D(e.TEXTURE_CUBE_MAP_POSITIVE_X+n,0,T,S,b,x[n]);for(let r=0;r<t.length;r++){let a=t[r];E?A&&i.texSubImage2D(e.TEXTURE_CUBE_MAP_POSITIVE_X+n,r+1,0,0,S,b,a.image[n]):i.texImage2D(e.TEXTURE_CUBE_MAP_POSITIVE_X+n,r+1,T,S,b,a.image[n])}}}g(s)&&_(e.TEXTURE_CUBE_MAP),u.__version=h.version,s.onUpdate&&s.onUpdate(s)}t.__version=s.version})(o,t,s);return}i.bindTexture(e.TEXTURE_CUBE_MAP,o.__webglTexture,e.TEXTURE0+s)},this.rebindTextures=function(t,i,r){let a=n.get(t);void 0!==i&&I(a.__webglFramebuffer,t,t.texture,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,0),void 0!==r&&N(t)},this.setupRenderTarget=function(t){let r=t.texture,o=n.get(t),l=n.get(r);t.addEventListener("dispose",S);let h=t.textures,u=!0===t.isWebGLCubeRenderTarget,c=h.length>1;if(!c&&(void 0===l.__webglTexture&&(l.__webglTexture=e.createTexture()),l.__version=r.version,s.memory.textures++),u){o.__webglFramebuffer=[];for(let t=0;t<6;t++)if(r.mipmaps&&r.mipmaps.length>0){o.__webglFramebuffer[t]=[];for(let i=0;i<r.mipmaps.length;i++)o.__webglFramebuffer[t][i]=e.createFramebuffer()}else o.__webglFramebuffer[t]=e.createFramebuffer()}else{if(r.mipmaps&&r.mipmaps.length>0){o.__webglFramebuffer=[];for(let t=0;t<r.mipmaps.length;t++)o.__webglFramebuffer[t]=e.createFramebuffer()}else o.__webglFramebuffer=e.createFramebuffer();if(c)for(let t=0,i=h.length;t<i;t++){let i=n.get(h[t]);void 0===i.__webglTexture&&(i.__webglTexture=e.createTexture(),s.memory.textures++)}if(t.samples>0&&!1===B(t)){o.__webglMultisampledFramebuffer=e.createFramebuffer(),o.__webglColorRenderbuffer=[],i.bindFramebuffer(e.FRAMEBUFFER,o.__webglMultisampledFramebuffer);for(let i=0;i<h.length;i++){let n=h[i];o.__webglColorRenderbuffer[i]=e.createRenderbuffer(),e.bindRenderbuffer(e.RENDERBUFFER,o.__webglColorRenderbuffer[i]);let r=a.convert(n.format,n.colorSpace),s=a.convert(n.type),l=v(n.internalFormat,r,s,n.colorSpace,!0===t.isXRRenderTarget),u=F(t);e.renderbufferStorageMultisample(e.RENDERBUFFER,u,l,t.width,t.height),e.framebufferRenderbuffer(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0+i,e.RENDERBUFFER,o.__webglColorRenderbuffer[i])}e.bindRenderbuffer(e.RENDERBUFFER,null),t.depthBuffer&&(o.__webglDepthRenderbuffer=e.createRenderbuffer(),U(o.__webglDepthRenderbuffer,t,!0)),i.bindFramebuffer(e.FRAMEBUFFER,null)}}if(u){i.bindTexture(e.TEXTURE_CUBE_MAP,l.__webglTexture),R(e.TEXTURE_CUBE_MAP,r);for(let i=0;i<6;i++)if(r.mipmaps&&r.mipmaps.length>0)for(let n=0;n<r.mipmaps.length;n++)I(o.__webglFramebuffer[i][n],t,r,e.COLOR_ATTACHMENT0,e.TEXTURE_CUBE_MAP_POSITIVE_X+i,n);else I(o.__webglFramebuffer[i],t,r,e.COLOR_ATTACHMENT0,e.TEXTURE_CUBE_MAP_POSITIVE_X+i,0);g(r)&&_(e.TEXTURE_CUBE_MAP),i.unbindTexture()}else if(c){for(let r=0,a=h.length;r<a;r++){let a=h[r],s=n.get(a);i.bindTexture(e.TEXTURE_2D,s.__webglTexture),R(e.TEXTURE_2D,a),I(o.__webglFramebuffer,t,a,e.COLOR_ATTACHMENT0+r,e.TEXTURE_2D,0),g(a)&&_(e.TEXTURE_2D)}i.unbindTexture()}else{let n=e.TEXTURE_2D;if((t.isWebGL3DRenderTarget||t.isWebGLArrayRenderTarget)&&(n=t.isWebGL3DRenderTarget?e.TEXTURE_3D:e.TEXTURE_2D_ARRAY),i.bindTexture(n,l.__webglTexture),R(n,r),r.mipmaps&&r.mipmaps.length>0)for(let i=0;i<r.mipmaps.length;i++)I(o.__webglFramebuffer[i],t,r,e.COLOR_ATTACHMENT0,n,i);else I(o.__webglFramebuffer,t,r,e.COLOR_ATTACHMENT0,n,0);g(r)&&_(n),i.unbindTexture()}t.depthBuffer&&N(t)},this.updateRenderTargetMipmap=function(t){let r=t.textures;for(let a=0,s=r.length;a<s;a++){let s=r[a];if(g(s)){let r=t.isWebGLCubeRenderTarget?e.TEXTURE_CUBE_MAP:e.TEXTURE_2D,a=n.get(s).__webglTexture;i.bindTexture(r,a),_(r),i.unbindTexture()}}},this.updateMultisampleRenderTarget=function(t){if(t.samples>0){if(!1===B(t)){let r=t.textures,a=t.width,s=t.height,o=e.COLOR_BUFFER_BIT,l=t.stencilBuffer?e.DEPTH_STENCIL_ATTACHMENT:e.DEPTH_ATTACHMENT,u=n.get(t),c=r.length>1;if(c)for(let t=0;t<r.length;t++)i.bindFramebuffer(e.FRAMEBUFFER,u.__webglMultisampledFramebuffer),e.framebufferRenderbuffer(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0+t,e.RENDERBUFFER,null),i.bindFramebuffer(e.FRAMEBUFFER,u.__webglFramebuffer),e.framebufferTexture2D(e.DRAW_FRAMEBUFFER,e.COLOR_ATTACHMENT0+t,e.TEXTURE_2D,null,0);i.bindFramebuffer(e.READ_FRAMEBUFFER,u.__webglMultisampledFramebuffer),i.bindFramebuffer(e.DRAW_FRAMEBUFFER,u.__webglFramebuffer);for(let i=0;i<r.length;i++){if(t.resolveDepthBuffer&&(t.depthBuffer&&(o|=e.DEPTH_BUFFER_BIT),t.stencilBuffer&&t.resolveStencilBuffer&&(o|=e.STENCIL_BUFFER_BIT)),c){e.framebufferRenderbuffer(e.READ_FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.RENDERBUFFER,u.__webglColorRenderbuffer[i]);let t=n.get(r[i]).__webglTexture;e.framebufferTexture2D(e.DRAW_FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,t,0)}e.blitFramebuffer(0,0,a,s,0,0,a,s,o,e.NEAREST),!0===h&&(D.length=0,O.length=0,D.push(e.COLOR_ATTACHMENT0+i),t.depthBuffer&&!1===t.resolveDepthBuffer&&(D.push(l),O.push(l),e.invalidateFramebuffer(e.DRAW_FRAMEBUFFER,O)),e.invalidateFramebuffer(e.READ_FRAMEBUFFER,D))}if(i.bindFramebuffer(e.READ_FRAMEBUFFER,null),i.bindFramebuffer(e.DRAW_FRAMEBUFFER,null),c)for(let t=0;t<r.length;t++){i.bindFramebuffer(e.FRAMEBUFFER,u.__webglMultisampledFramebuffer),e.framebufferRenderbuffer(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0+t,e.RENDERBUFFER,u.__webglColorRenderbuffer[t]);let a=n.get(r[t]).__webglTexture;i.bindFramebuffer(e.FRAMEBUFFER,u.__webglFramebuffer),e.framebufferTexture2D(e.DRAW_FRAMEBUFFER,e.COLOR_ATTACHMENT0+t,e.TEXTURE_2D,a,0)}i.bindFramebuffer(e.DRAW_FRAMEBUFFER,u.__webglMultisampledFramebuffer)}else if(t.depthBuffer&&!1===t.resolveDepthBuffer&&h){let i=t.stencilBuffer?e.DEPTH_STENCIL_ATTACHMENT:e.DEPTH_ATTACHMENT;e.invalidateFramebuffer(e.DRAW_FRAMEBUFFER,[i])}}},this.setupDepthRenderbuffer=N,this.setupFrameBufferTexture=I,this.useMultisampledRTT=B}function ow(e,t){return{convert:function(i,n=tW){let r;let a=i0.getTransfer(n);if(i===eN)return e.UNSIGNED_BYTE;if(i===eH)return e.UNSIGNED_SHORT_4_4_4_4;if(i===eG)return e.UNSIGNED_SHORT_5_5_5_1;if(i===eX)return e.UNSIGNED_INT_5_9_9_9_REV;if(i===eD)return e.BYTE;if(i===eO)return e.SHORT;if(i===eF)return e.UNSIGNED_SHORT;if(i===eB)return e.INT;if(i===ez)return e.UNSIGNED_INT;if(i===ek)return e.FLOAT;if(i===eV)return e.HALF_FLOAT;if(i===ej)return e.ALPHA;if(i===eq)return e.RGB;if(i===eY)return e.RGBA;if(i===eZ)return e.LUMINANCE;if(i===eJ)return e.LUMINANCE_ALPHA;if(i===eK)return e.DEPTH_COMPONENT;if(i===e$)return e.DEPTH_STENCIL;if(i===eQ)return e.RED;if(i===e0)return e.RED_INTEGER;if(i===e1)return e.RG;if(i===e2)return e.RG_INTEGER;if(i===e3)return e.RGBA_INTEGER;if(i===e4||i===e5||i===e6||i===e8){if(a===tJ){if(null===(r=t.get("WEBGL_compressed_texture_s3tc_srgb")))return null;if(i===e4)return r.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(i===e5)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(i===e6)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(i===e8)return r.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(null===(r=t.get("WEBGL_compressed_texture_s3tc")))return null;if(i===e4)return r.COMPRESSED_RGB_S3TC_DXT1_EXT;if(i===e5)return r.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(i===e6)return r.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(i===e8)return r.COMPRESSED_RGBA_S3TC_DXT5_EXT}}if(i===e9||i===e7||i===te||i===tt){if(null===(r=t.get("WEBGL_compressed_texture_pvrtc")))return null;if(i===e9)return r.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(i===e7)return r.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(i===te)return r.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(i===tt)return r.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(i===ti||i===tn||i===tr){if(null===(r=t.get("WEBGL_compressed_texture_etc")))return null;if(i===ti||i===tn)return a===tJ?r.COMPRESSED_SRGB8_ETC2:r.COMPRESSED_RGB8_ETC2;if(i===tr)return a===tJ?r.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:r.COMPRESSED_RGBA8_ETC2_EAC}if(i===ta||i===ts||i===to||i===tl||i===th||i===tu||i===tc||i===td||i===tp||i===tf||i===tm||i===tg||i===t_||i===tv){if(null===(r=t.get("WEBGL_compressed_texture_astc")))return null;if(i===ta)return a===tJ?r.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:r.COMPRESSED_RGBA_ASTC_4x4_KHR;if(i===ts)return a===tJ?r.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:r.COMPRESSED_RGBA_ASTC_5x4_KHR;if(i===to)return a===tJ?r.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:r.COMPRESSED_RGBA_ASTC_5x5_KHR;if(i===tl)return a===tJ?r.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:r.COMPRESSED_RGBA_ASTC_6x5_KHR;if(i===th)return a===tJ?r.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:r.COMPRESSED_RGBA_ASTC_6x6_KHR;if(i===tu)return a===tJ?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:r.COMPRESSED_RGBA_ASTC_8x5_KHR;if(i===tc)return a===tJ?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:r.COMPRESSED_RGBA_ASTC_8x6_KHR;if(i===td)return a===tJ?r.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:r.COMPRESSED_RGBA_ASTC_8x8_KHR;if(i===tp)return a===tJ?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:r.COMPRESSED_RGBA_ASTC_10x5_KHR;if(i===tf)return a===tJ?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:r.COMPRESSED_RGBA_ASTC_10x6_KHR;if(i===tm)return a===tJ?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:r.COMPRESSED_RGBA_ASTC_10x8_KHR;if(i===tg)return a===tJ?r.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:r.COMPRESSED_RGBA_ASTC_10x10_KHR;if(i===t_)return a===tJ?r.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:r.COMPRESSED_RGBA_ASTC_12x10_KHR;if(i===tv)return a===tJ?r.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:r.COMPRESSED_RGBA_ASTC_12x12_KHR}if(i===tx||i===ty||i===tM){if(null===(r=t.get("EXT_texture_compression_bptc")))return null;if(i===tx)return a===tJ?r.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:r.COMPRESSED_RGBA_BPTC_UNORM_EXT;if(i===ty)return r.COMPRESSED_RGB_BPTC_SIGNED_FLOAT_EXT;if(i===tM)return r.COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT_EXT}if(i===tS||i===tb||i===tT||i===tE){if(null===(r=t.get("EXT_texture_compression_rgtc")))return null;if(i===tx)return r.COMPRESSED_RED_RGTC1_EXT;if(i===tb)return r.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(i===tT)return r.COMPRESSED_RED_GREEN_RGTC2_EXT;if(i===tE)return r.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return i===eW?e.UNSIGNED_INT_24_8:void 0!==e[i]?e[i]:null}}}class oA extends au{constructor(e=[]){super(),this.isArrayCamera=!0,this.cameras=e}}class oC extends re{constructor(){super(),this.isGroup=!0,this.type="Group"}}let oR={type:"move"};class oP{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return null===this._hand&&(this._hand=new oC,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}getTargetRaySpace(){return null===this._targetRay&&(this._targetRay=new oC,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new no,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new no),this._targetRay}getGripSpace(){return null===this._grip&&(this._grip=new oC,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new no,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new no),this._grip}dispatchEvent(e){return null!==this._targetRay&&this._targetRay.dispatchEvent(e),null!==this._grip&&this._grip.dispatchEvent(e),null!==this._hand&&this._hand.dispatchEvent(e),this}connect(e){if(e&&e.hand){let t=this._hand;if(t)for(let i of e.hand.values())this._getHandJoint(t,i)}return this.dispatchEvent({type:"connected",data:e}),this}disconnect(e){return this.dispatchEvent({type:"disconnected",data:e}),null!==this._targetRay&&(this._targetRay.visible=!1),null!==this._grip&&(this._grip.visible=!1),null!==this._hand&&(this._hand.visible=!1),this}update(e,t,i){let n=null,r=null,a=null,s=this._targetRay,o=this._grip,l=this._hand;if(e&&"visible-blurred"!==t.session.visibilityState){if(l&&e.hand){for(let n of(a=!0,e.hand.values())){let e=t.getJointPose(n,i),r=this._getHandJoint(l,n);null!==e&&(r.matrix.fromArray(e.transform.matrix),r.matrix.decompose(r.position,r.rotation,r.scale),r.matrixWorldNeedsUpdate=!0,r.jointRadius=e.radius),r.visible=null!==e}let n=l.joints["index-finger-tip"],r=l.joints["thumb-tip"],s=n.position.distanceTo(r.position);l.inputState.pinching&&s>.025?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:e.handedness,target:this})):!l.inputState.pinching&&s<=.015&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:e.handedness,target:this}))}else null!==o&&e.gripSpace&&null!==(r=t.getPose(e.gripSpace,i))&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,r.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(r.linearVelocity)):o.hasLinearVelocity=!1,r.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(r.angularVelocity)):o.hasAngularVelocity=!1);null!==s&&(null===(n=t.getPose(e.targetRaySpace,i))&&null!==r&&(n=r),null!==n&&(s.matrix.fromArray(n.transform.matrix),s.matrix.decompose(s.position,s.rotation,s.scale),s.matrixWorldNeedsUpdate=!0,n.linearVelocity?(s.hasLinearVelocity=!0,s.linearVelocity.copy(n.linearVelocity)):s.hasLinearVelocity=!1,n.angularVelocity?(s.hasAngularVelocity=!0,s.angularVelocity.copy(n.angularVelocity)):s.hasAngularVelocity=!1,this.dispatchEvent(oR)))}return null!==s&&(s.visible=null!==n),null!==o&&(o.visible=null!==r),null!==l&&(l.visible=null!==a),this}_getHandJoint(e,t){if(void 0===e.joints[t.jointName]){let i=new oC;i.matrixAutoUpdate=!1,i.visible=!1,e.joints[t.jointName]=i,e.add(i)}return e.joints[t.jointName]}}let oL=` 204void main() { 205 206 gl_Position = vec4( position, 1.0 ); 207 208}`,oI=` 209uniform sampler2DArray depthColor; 210uniform float depthWidth; 211uniform float depthHeight; 212 213void main() { 214 215 vec2 coord = vec2( gl_FragCoord.x / depthWidth, gl_FragCoord.y / depthHeight ); 216 217 if ( coord.x >= 1.0 ) { 218 219 gl_FragDepth = texture( depthColor, vec3( coord.x - 1.0, coord.y, 1 ) ).r; 220 221 } else { 222 223 gl_FragDepth = texture( depthColor, vec3( coord.x, coord.y, 0 ) ).r; 224 225 } 226 227}`;class oU{constructor(){this.texture=null,this.mesh=null,this.depthNear=0,this.depthFar=0}init(e,t,i){if(null===this.texture){let n=new i9;e.properties.get(n).__webglTexture=t.texture,(t.depthNear!=i.depthNear||t.depthFar!=i.depthFar)&&(this.depthNear=t.depthNear,this.depthFar=t.depthFar),this.texture=n}}getMesh(e){if(null!==this.texture&&null===this.mesh){let t=e.cameras[0].viewport,i=new aa({vertexShader:oL,fragmentShader:oI,uniforms:{depthColor:{value:this.texture},depthWidth:{value:t.z},depthHeight:{value:t.w}}});this.mesh=new r9(new ab(20,20),i)}return this.mesh}reset(){this.texture=null,this.mesh=null}}class oN extends iC{constructor(e,t){super();let i=this,n=null,r=1,a=null,s="local-floor",o=1,l=null,h=null,u=null,c=null,d=null,p=null,f=new oU,m=t.getContextAttributes(),g=null,_=null,v=[],x=[],y=new ik,M=null,S=new au;S.layers.enable(1),S.viewport=new i7;let b=new au;b.layers.enable(2),b.viewport=new i7;let T=[S,b],E=new oA;E.layers.enable(1),E.layers.enable(2);let w=null,A=null;function C(e){let t=x.indexOf(e.inputSource);if(-1===t)return;let i=v[t];void 0!==i&&(i.update(e.inputSource,e.frame,l||a),i.dispatchEvent({type:e.type,data:e.inputSource}))}function R(){n.removeEventListener("select",C),n.removeEventListener("selectstart",C),n.removeEventListener("selectend",C),n.removeEventListener("squeeze",C),n.removeEventListener("squeezestart",C),n.removeEventListener("squeezeend",C),n.removeEventListener("end",R),n.removeEventListener("inputsourceschange",P);for(let e=0;e<v.length;e++){let t=x[e];null!==t&&(x[e]=null,v[e].disconnect(t))}w=null,A=null,f.reset(),e.setRenderTarget(g),d=null,c=null,u=null,n=null,_=null,D.stop(),i.isPresenting=!1,e.setPixelRatio(M),e.setSize(y.width,y.height,!1),i.dispatchEvent({type:"sessionend"})}function P(e){for(let t=0;t<e.removed.length;t++){let i=e.removed[t],n=x.indexOf(i);n>=0&&(x[n]=null,v[n].disconnect(i))}for(let t=0;t<e.added.length;t++){let i=e.added[t],n=x.indexOf(i);if(-1===n){for(let e=0;e<v.length;e++){if(e>=x.length){x.push(i),n=e;break}if(null===x[e]){x[e]=i,n=e;break}}if(-1===n)break}let r=v[n];r&&r.connect(i)}}this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(e){let t=v[e];return void 0===t&&(t=new oP,v[e]=t),t.getTargetRaySpace()},this.getControllerGrip=function(e){let t=v[e];return void 0===t&&(t=new oP,v[e]=t),t.getGripSpace()},this.getHand=function(e){let t=v[e];return void 0===t&&(t=new oP,v[e]=t),t.getHandSpace()},this.setFramebufferScaleFactor=function(e){r=e,!0===i.isPresenting&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(e){s=e,!0===i.isPresenting&&console.warn("THREE.WebXRManager: Cannot change reference space type while presenting.")},this.getReferenceSpace=function(){return l||a},this.setReferenceSpace=function(e){l=e},this.getBaseLayer=function(){return null!==c?c:d},this.getBinding=function(){return u},this.getFrame=function(){return p},this.getSession=function(){return n},this.setSession=async function(h){if(null!==(n=h)){if(g=e.getRenderTarget(),n.addEventListener("select",C),n.addEventListener("selectstart",C),n.addEventListener("selectend",C),n.addEventListener("squeeze",C),n.addEventListener("squeezestart",C),n.addEventListener("squeezeend",C),n.addEventListener("end",R),n.addEventListener("inputsourceschange",P),!0!==m.xrCompatible&&await t.makeXRCompatible(),M=e.getPixelRatio(),e.getSize(y),void 0===n.renderState.layers){let i={antialias:m.antialias,alpha:!0,depth:m.depth,stencil:m.stencil,framebufferScaleFactor:r};d=new XRWebGLLayer(n,t,i),n.updateRenderState({baseLayer:d}),e.setPixelRatio(1),e.setSize(d.framebufferWidth,d.framebufferHeight,!1),_=new nt(d.framebufferWidth,d.framebufferHeight,{format:eY,type:eN,colorSpace:e.outputColorSpace,stencilBuffer:m.stencil})}else{let i=null,a=null,s=null;m.depth&&(s=m.stencil?t.DEPTH24_STENCIL8:t.DEPTH_COMPONENT24,i=m.stencil?e$:eK,a=m.stencil?eW:ez);let o={colorFormat:t.RGBA8,depthFormat:s,scaleFactor:r};c=(u=new XRWebGLBinding(n,t)).createProjectionLayer(o),n.updateRenderState({layers:[c]}),e.setPixelRatio(1),e.setSize(c.textureWidth,c.textureHeight,!1),_=new nt(c.textureWidth,c.textureHeight,{format:eY,type:eN,depthTexture:new a6(c.textureWidth,c.textureHeight,a,void 0,void 0,void 0,void 0,void 0,void 0,i),stencilBuffer:m.stencil,colorSpace:e.outputColorSpace,samples:m.antialias?4:0,resolveDepthBuffer:!1===c.ignoreDepthValues})}_.isXRRenderTarget=!0,this.setFoveation(o),l=null,a=await n.requestReferenceSpace(s),D.setContext(n),D.start(),i.isPresenting=!0,i.dispatchEvent({type:"sessionstart"})}},this.getEnvironmentBlendMode=function(){if(null!==n)return n.environmentBlendMode};let L=new no,I=new no;function U(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}this.updateCamera=function(e){if(null===n)return;null!==f.texture&&(e.near=f.depthNear,e.far=f.depthFar),E.near=b.near=S.near=e.near,E.far=b.far=S.far=e.far,(w!==E.near||A!==E.far)&&(n.updateRenderState({depthNear:E.near,depthFar:E.far}),w=E.near,A=E.far,S.near=w,S.far=A,b.near=w,b.far=A,S.updateProjectionMatrix(),b.updateProjectionMatrix(),e.updateProjectionMatrix());let t=e.parent,i=E.cameras;U(E,t);for(let e=0;e<i.length;e++)U(i[e],t);2===i.length?function(e,t,i){L.setFromMatrixPosition(t.matrixWorld),I.setFromMatrixPosition(i.matrixWorld);let n=L.distanceTo(I),r=t.projectionMatrix.elements,a=i.projectionMatrix.elements,s=r[14]/(r[10]-1),o=r[14]/(r[10]+1),l=(r[9]+1)/r[5],h=(r[9]-1)/r[5],u=(r[8]-1)/r[0],c=(a[8]+1)/a[0],d=n/(-u+c),p=-(d*u);t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(p),e.translateZ(d),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert();let f=s+d,m=o+d;e.projectionMatrix.makePerspective(s*u-p,s*c+(n-p),l*o/m*f,h*o/m*f,f,m),e.projectionMatrixInverse.copy(e.projectionMatrix).invert()}(E,S,b):E.projectionMatrix.copy(S.projectionMatrix),null===t?e.matrix.copy(E.matrixWorld):(e.matrix.copy(t.matrixWorld),e.matrix.invert(),e.matrix.multiply(E.matrixWorld)),e.matrix.decompose(e.position,e.quaternion,e.scale),e.updateMatrixWorld(!0),e.projectionMatrix.copy(E.projectionMatrix),e.projectionMatrixInverse.copy(E.projectionMatrixInverse),e.isPerspectiveCamera&&(e.fov=2*iI*Math.atan(1/e.projectionMatrix.elements[5]),e.zoom=1)},this.getCamera=function(){return E},this.getFoveation=function(){if(null!==c||null!==d)return o},this.setFoveation=function(e){o=e,null!==c&&(c.fixedFoveation=e),null!==d&&void 0!==d.fixedFoveation&&(d.fixedFoveation=e)},this.hasDepthSensing=function(){return null!==f.texture},this.getDepthSensingMesh=function(){return f.getMesh(E)};let N=null,D=new aM;D.setAnimationLoop(function(t,r){if(h=r.getViewerPose(l||a),p=r,null!==h){let t=h.views;null!==d&&(e.setRenderTargetFramebuffer(_,d.framebuffer),e.setRenderTarget(_));let i=!1;t.length!==E.cameras.length&&(E.cameras.length=0,i=!0);for(let n=0;n<t.length;n++){let r=t[n],a=null;if(null!==d)a=d.getViewport(r);else{let t=u.getViewSubImage(c,r);a=t.viewport,0===n&&(e.setRenderTargetTextures(_,t.colorTexture,c.ignoreDepthValues?void 0:t.depthStencilTexture),e.setRenderTarget(_))}let s=T[n];void 0===s&&((s=new au).layers.enable(n),s.viewport=new i7,T[n]=s),s.matrix.fromArray(r.transform.matrix),s.matrix.decompose(s.position,s.quaternion,s.scale),s.projectionMatrix.fromArray(r.projectionMatrix),s.projectionMatrixInverse.copy(s.projectionMatrix).invert(),s.viewport.set(a.x,a.y,a.width,a.height),0===n&&(E.matrix.copy(s.matrix),E.matrix.decompose(E.position,E.quaternion,E.scale)),!0===i&&E.cameras.push(s)}let r=n.enabledFeatures;if(r&&r.includes("depth-sensing")){let i=u.getDepthInformation(t[0]);i&&i.isValid&&i.texture&&f.init(e,i,n.renderState)}}for(let e=0;e<v.length;e++){let t=x[e],i=v[e];null!==t&&void 0!==i&&i.update(t,r,l||a)}N&&N(t,r),r.detectedPlanes&&i.dispatchEvent({type:"planesdetected",data:r}),p=null}),this.setAnimationLoop=function(e){N=e},this.dispose=function(){}}}let oD=new nq,oO=new nF;function oF(e,t){function i(e,t){!0===e.matrixAutoUpdate&&e.updateMatrix(),t.value.copy(e.matrix)}function n(e,n){e.opacity.value=n.opacity,n.color&&e.diffuse.value.copy(n.color),n.emissive&&e.emissive.value.copy(n.emissive).multiplyScalar(n.emissiveIntensity),n.map&&(e.map.value=n.map,i(n.map,e.mapTransform)),n.alphaMap&&(e.alphaMap.value=n.alphaMap,i(n.alphaMap,e.alphaMapTransform)),n.bumpMap&&(e.bumpMap.value=n.bumpMap,i(n.bumpMap,e.bumpMapTransform),e.bumpScale.value=n.bumpScale,n.side===y&&(e.bumpScale.value*=-1)),n.normalMap&&(e.normalMap.value=n.normalMap,i(n.normalMap,e.normalMapTransform),e.normalScale.value.copy(n.normalScale),n.side===y&&e.normalScale.value.negate()),n.displacementMap&&(e.displacementMap.value=n.displacementMap,i(n.displacementMap,e.displacementMapTransform),e.displacementScale.value=n.displacementScale,e.displacementBias.value=n.displacementBias),n.emissiveMap&&(e.emissiveMap.value=n.emissiveMap,i(n.emissiveMap,e.emissiveMapTransform)),n.specularMap&&(e.specularMap.value=n.specularMap,i(n.specularMap,e.specularMapTransform)),n.alphaTest>0&&(e.alphaTest.value=n.alphaTest);let r=t.get(n),a=r.envMap,s=r.envMapRotation;a&&(e.envMap.value=a,oD.copy(s),oD.x*=-1,oD.y*=-1,oD.z*=-1,a.isCubeTexture&&!1===a.isRenderTargetTexture&&(oD.y*=-1,oD.z*=-1),e.envMapRotation.value.setFromMatrix4(oO.makeRotationFromEuler(oD)),e.flipEnvMap.value=a.isCubeTexture&&!1===a.isRenderTargetTexture?-1:1,e.reflectivity.value=n.reflectivity,e.ior.value=n.ior,e.refractionRatio.value=n.refractionRatio),n.lightMap&&(e.lightMap.value=n.lightMap,e.lightMapIntensity.value=n.lightMapIntensity,i(n.lightMap,e.lightMapTransform)),n.aoMap&&(e.aoMap.value=n.aoMap,e.aoMapIntensity.value=n.aoMapIntensity,i(n.aoMap,e.aoMapTransform))}return{refreshFogUniforms:function(t,i){i.color.getRGB(t.fogColor.value,an(e)),i.isFog?(t.fogNear.value=i.near,t.fogFar.value=i.far):i.isFogExp2&&(t.fogDensity.value=i.density)},refreshMaterialUniforms:function(e,r,a,s,o){r.isMeshBasicMaterial?n(e,r):r.isMeshLambertMaterial?n(e,r):r.isMeshToonMaterial?(n(e,r),r.gradientMap&&(e.gradientMap.value=r.gradientMap)):r.isMeshPhongMaterial?(n(e,r),e.specular.value.copy(r.specular),e.shininess.value=Math.max(r.shininess,1e-4)):r.isMeshStandardMaterial?(n(e,r),e.metalness.value=r.metalness,r.metalnessMap&&(e.metalnessMap.value=r.metalnessMap,i(r.metalnessMap,e.metalnessMapTransform)),e.roughness.value=r.roughness,r.roughnessMap&&(e.roughnessMap.value=r.roughnessMap,i(r.roughnessMap,e.roughnessMapTransform)),r.envMap&&(e.envMapIntensity.value=r.envMapIntensity),r.isMeshPhysicalMaterial&&(e.ior.value=r.ior,r.sheen>0&&(e.sheenColor.value.copy(r.sheenColor).multiplyScalar(r.sheen),e.sheenRoughness.value=r.sheenRoughness,r.sheenColorMap&&(e.sheenColorMap.value=r.sheenColorMap,i(r.sheenColorMap,e.sheenColorMapTransform)),r.sheenRoughnessMap&&(e.sheenRoughnessMap.value=r.sheenRoughnessMap,i(r.sheenRoughnessMap,e.sheenRoughnessMapTransform))),r.clearcoat>0&&(e.clearcoat.value=r.clearcoat,e.clearcoatRoughness.value=r.clearcoatRoughness,r.clearcoatMap&&(e.clearcoatMap.value=r.clearcoatMap,i(r.clearcoatMap,e.clearcoatMapTransform)),r.clearcoatRoughnessMap&&(e.clearcoatRoughnessMap.value=r.clearcoatRoughnessMap,i(r.clearcoatRoughnessMap,e.clearcoatRoughnessMapTransform)),r.clearcoatNormalMap&&(e.clearcoatNormalMap.value=r.clearcoatNormalMap,i(r.clearcoatNormalMap,e.clearcoatNormalMapTransform),e.clearcoatNormalScale.value.copy(r.clearcoatNormalScale),r.side===y&&e.clearcoatNormalScale.value.negate())),r.dispersion>0&&(e.dispersion.value=r.dispersion),r.iridescence>0&&(e.iridescence.value=r.iridescence,e.iridescenceIOR.value=r.iridescenceIOR,e.iridescenceThicknessMinimum.value=r.iridescenceThicknessRange[0],e.iridescenceThicknessMaximum.value=r.iridescenceThicknessRange[1],r.iridescenceMap&&(e.iridescenceMap.value=r.iridescenceMap,i(r.iridescenceMap,e.iridescenceMapTransform)),r.iridescenceThicknessMap&&(e.iridescenceThicknessMap.value=r.iridescenceThicknessMap,i(r.iridescenceThicknessMap,e.iridescenceThicknessMapTransform))),r.transmission>0&&(e.transmission.value=r.transmission,e.transmissionSamplerMap.value=o.texture,e.transmissionSamplerSize.value.set(o.width,o.height),r.transmissionMap&&(e.transmissionMap.value=r.transmissionMap,i(r.transmissionMap,e.transmissionMapTransform)),e.thickness.value=r.thickness,r.thicknessMap&&(e.thicknessMap.value=r.thicknessMap,i(r.thicknessMap,e.thicknessMapTransform)),e.attenuationDistance.value=r.attenuationDistance,e.attenuationColor.value.copy(r.attenuationColor)),r.anisotropy>0&&(e.anisotropyVector.value.set(r.anisotropy*Math.cos(r.anisotropyRotation),r.anisotropy*Math.sin(r.anisotropyRotation)),r.anisotropyMap&&(e.anisotropyMap.value=r.anisotropyMap,i(r.anisotropyMap,e.anisotropyMapTransform))),e.specularIntensity.value=r.specularIntensity,e.specularColor.value.copy(r.specularColor),r.specularColorMap&&(e.specularColorMap.value=r.specularColorMap,i(r.specularColorMap,e.specularColorMapTransform)),r.specularIntensityMap&&(e.specularIntensityMap.value=r.specularIntensityMap,i(r.specularIntensityMap,e.specularIntensityMapTransform)))):r.isMeshMatcapMaterial?(n(e,r),r.matcap&&(e.matcap.value=r.matcap)):r.isMeshDepthMaterial?n(e,r):r.isMeshDistanceMaterial?(n(e,r),function(e,i){let n=t.get(i).light;e.referencePosition.value.setFromMatrixPosition(n.matrixWorld),e.nearDistance.value=n.shadow.camera.near,e.farDistance.value=n.shadow.camera.far}(e,r)):r.isMeshNormalMaterial?n(e,r):r.isLineBasicMaterial?(e.diffuse.value.copy(r.color),e.opacity.value=r.opacity,r.map&&(e.map.value=r.map,i(r.map,e.mapTransform)),r.isLineDashedMaterial&&(e.dashSize.value=r.dashSize,e.totalSize.value=r.dashSize+r.gapSize,e.scale.value=r.scale)):r.isPointsMaterial?(e.diffuse.value.copy(r.color),e.opacity.value=r.opacity,e.size.value=r.size*a,e.scale.value=.5*s,r.map&&(e.map.value=r.map,i(r.map,e.uvTransform)),r.alphaMap&&(e.alphaMap.value=r.alphaMap,i(r.alphaMap,e.alphaMapTransform)),r.alphaTest>0&&(e.alphaTest.value=r.alphaTest)):r.isSpriteMaterial?(e.diffuse.value.copy(r.color),e.opacity.value=r.opacity,e.rotation.value=r.rotation,r.map&&(e.map.value=r.map,i(r.map,e.mapTransform)),r.alphaMap&&(e.alphaMap.value=r.alphaMap,i(r.alphaMap,e.alphaMapTransform)),r.alphaTest>0&&(e.alphaTest.value=r.alphaTest)):r.isShadowMaterial?(e.color.value.copy(r.color),e.opacity.value=r.opacity):r.isShaderMaterial&&(r.uniformsNeedUpdate=!1)}}}function 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t=l.side;l.side=y,l.needsUpdate=!0,ej(s,n,r,o,l,h),l.side=t,l.needsUpdate=!0,e=!0}}!0===e&&(o.updateMultisampleRenderTarget(a),o.updateRenderTargetMipmap(a))}j.setRenderTarget(l),j.setClearColor(ei,en),void 0!==u&&(r.viewport=u),j.toneMapping=h}function eX(e,t,i){let n=!0===t.isScene?t.overrideMaterial:null;for(let r=0,a=e.length;r<a;r++){let a=e[r],s=a.object,o=a.geometry,l=null===n?a.material:n,h=a.group;s.layers.test(i.layers)&&ej(s,t,i,o,l,h)}}function ej(e,t,i,n,r,a){e.onBeforeRender(j,t,i,n,r,a),e.modelViewMatrix.multiplyMatrices(i.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix),r.onBeforeRender(j,t,i,n,e,a),!0===r.transparent&&r.side===M&&!1===r.forceSinglePass?(r.side=y,r.needsUpdate=!0,j.renderBufferDirect(i,t,n,r,e,a),r.side=x,r.needsUpdate=!0,j.renderBufferDirect(i,t,n,r,e,a),r.side=M):j.renderBufferDirect(i,t,n,r,e,a),e.onAfterRender(j,t,i,n,r,a)}function eq(e,t,i){!0!==t.isScene&&(t=ev);let n=s.get(e),r=G.state.lights,a=G.state.shadowsArray,o=r.state.version,l=f.getParameters(e,r.state,a,t,i),c=f.getProgramCacheKey(l),d=n.programs;n.environment=e.isMeshStandardMaterial?t.environment:null,n.fog=t.fog,n.envMap=(e.isMeshStandardMaterial?u:h).get(e.envMap||n.environment),n.envMapRotation=null!==n.environment&&null===e.envMap?t.environmentRotation:e.envMapRotation,void 0===d&&(e.addEventListener("dispose",eC),d=new Map,n.programs=d);let p=d.get(c);if(void 0!==p){if(n.currentProgram===p&&n.lightsStateVersion===o)return eZ(e,l),p}else l.uniforms=f.getUniforms(e),e.onBuild(i,l,j),e.onBeforeCompile(l,j),p=f.acquireProgram(l,c),d.set(c,p),n.uniforms=l.uniforms;let 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eY(e){if(null===e.uniformsList){let t=e.currentProgram.getUniforms();e.uniformsList=s0.seqWithValue(t.seq,e.uniforms)}return e.uniformsList}function eZ(e,t){let i=s.get(e);i.outputColorSpace=t.outputColorSpace,i.batching=t.batching,i.batchingColor=t.batchingColor,i.instancing=t.instancing,i.instancingColor=t.instancingColor,i.instancingMorph=t.instancingMorph,i.skinning=t.skinning,i.morphTargets=t.morphTargets,i.morphNormals=t.morphNormals,i.morphColors=t.morphColors,i.morphTargetsCount=t.morphTargetsCount,i.numClippingPlanes=t.numClippingPlanes,i.numIntersection=t.numClipIntersection,i.vertexAlphas=t.vertexAlphas,i.vertexTangents=t.vertexTangents,i.toneMapping=t.toneMapping}eD.setAnimationLoop(function(e){eP&&eP(e)}),"undefined"!=typeof self&&eD.setContext(self),this.setAnimationLoop=function(e){eP=e,eT.setAnimationLoop(e),null===e?eD.stop():eD.start()},eT.addEventListener("sessionstart",eL),eT.addEventListener("sessionend",eU),this.render=function(e,t){if(void 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i=G.state.shadowsArray;S.render(i,e,t),!0===ef&&v.endShadows(),!0===this.info.autoReset&&this.info.reset();let n=H.opaque,r=H.transmissive;if(G.setupLights(),t.isArrayCamera){let i=t.cameras;if(r.length>0)for(let t=0,a=i.length;t<a;t++)ek(n,r,e,i[t]);ex&&b.render(e);for(let t=0,n=i.length;t<n;t++){let n=i[t];eB(H,e,n,n.viewport)}}else r.length>0&&ek(n,r,e,t),ex&&b.render(e),eB(H,e,t);null!==J&&(o.updateMultisampleRenderTarget(J),o.updateRenderTargetMipmap(J)),!0===e.isScene&&e.onAfterRender(j,e,t),C.resetDefaultState(),K=-1,$=null,X.pop(),X.length>0?(G=X[X.length-1],!0===ef&&v.setGlobalState(j.clippingPlanes,G.state.camera)):G=null,W.pop(),H=W.length>0?W[W.length-1]:null},this.getActiveCubeFace=function(){return Y},this.getActiveMipmapLevel=function(){return Z},this.getRenderTarget=function(){return J},this.setRenderTargetTextures=function(e,t,n){s.get(e.texture).__webglTexture=t,s.get(e.depthTexture).__webglTexture=n;let r=s.get(e);r.__hasExternalTextures=!0,r.__autoAllocateDepthBuffer=void 0===n,r.__autoAllocateDepthBuffer||!0!==i.has("WEBGL_multisampled_render_to_texture")||(console.warn("THREE.WebGLRenderer: Render-to-texture extension was disabled because an external texture was provided"),r.__useRenderToTexture=!1)},this.setRenderTargetFramebuffer=function(e,t){let i=s.get(e);i.__webglFramebuffer=t,i.__useDefaultFramebuffer=void 0===t},this.setRenderTarget=function(e,t=0,i=0){J=e,Y=t,Z=i;let n=!0,a=null,l=!1,h=!1;if(e){let u=s.get(e);void 0!==u.__useDefaultFramebuffer?(r.bindFramebuffer(eM.FRAMEBUFFER,null),n=!1):void 0===u.__webglFramebuffer?o.setupRenderTarget(e):u.__hasExternalTextures&&o.rebindTextures(e,s.get(e.texture).__webglTexture,s.get(e.depthTexture).__webglTexture);let c=e.texture;(c.isData3DTexture||c.isDataArrayTexture||c.isCompressedArrayTexture)&&(h=!0);let d=s.get(e).__webglFramebuffer;e.isWebGLCubeRenderTarget?(a=Array.isArray(d[t])?d[t][i]:d[t],l=!0):a=e.samples>0&&!1===o.useMultisampledRTT(e)?s.get(e).__webglMultisampledFramebuffer:Array.isArray(d)?d[i]:d,Q.copy(e.viewport),ee.copy(e.scissor),et=e.scissorTest}else Q.copy(eu).multiplyScalar(eo).floor(),ee.copy(ec).multiplyScalar(eo).floor(),et=ed;if(r.bindFramebuffer(eM.FRAMEBUFFER,a)&&n&&r.drawBuffers(e,a),r.viewport(Q),r.scissor(ee),r.setScissorTest(et),l){let n=s.get(e.texture);eM.framebufferTexture2D(eM.FRAMEBUFFER,eM.COLOR_ATTACHMENT0,eM.TEXTURE_CUBE_MAP_POSITIVE_X+t,n.__webglTexture,i)}else if(h){let n=s.get(e.texture);eM.framebufferTextureLayer(eM.FRAMEBUFFER,eM.COLOR_ATTACHMENT0,n.__webglTexture,i||0,t||0)}K=-1},this.readRenderTargetPixels=function(e,t,i,a,o,l,h){if(!(e&&e.isWebGLRenderTarget)){console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");return}let u=s.get(e).__webglFramebuffer;if(e.isWebGLCubeRenderTarget&&void 0!==h&&(u=u[h]),u){r.bindFramebuffer(eM.FRAMEBUFFER,u);try{let r=e.texture,s=r.format,h=r.type;if(!n.textureFormatReadable(s)){console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");return}if(!n.textureTypeReadable(h)){console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");return}t>=0&&t<=e.width-a&&i>=0&&i<=e.height-o&&eM.readPixels(t,i,a,o,A.convert(s),A.convert(h),l)}finally{let e=null!==J?s.get(J).__webglFramebuffer:null;r.bindFramebuffer(eM.FRAMEBUFFER,e)}}},this.readRenderTargetPixelsAsync=async function(e,t,i,a,o,l,h){if(!(e&&e.isWebGLRenderTarget))throw Error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let u=s.get(e).__webglFramebuffer;if(e.isWebGLCubeRenderTarget&&void 0!==h&&(u=u[h]),u){r.bindFramebuffer(eM.FRAMEBUFFER,u);try{let r=e.texture,s=r.format,h=r.type;if(!n.textureFormatReadable(s))throw Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in RGBA or implementation defined format.");if(!n.textureTypeReadable(h))throw Error("THREE.WebGLRenderer.readRenderTargetPixelsAsync: renderTarget is not in UnsignedByteType or implementation defined type.");if(t>=0&&t<=e.width-a&&i>=0&&i<=e.height-o){var c;let e=eM.createBuffer();eM.bindBuffer(eM.PIXEL_PACK_BUFFER,e),eM.bufferData(eM.PIXEL_PACK_BUFFER,l.byteLength,eM.STREAM_READ),eM.readPixels(t,i,a,o,A.convert(s),A.convert(h),0),eM.flush();let n=eM.fenceSync(eM.SYNC_GPU_COMMANDS_COMPLETE,0);await (c=eM,new Promise(function(e,t){setTimeout(function i(){switch(c.clientWaitSync(n,c.SYNC_FLUSH_COMMANDS_BIT,0)){case c.WAIT_FAILED:t();break;case c.TIMEOUT_EXPIRED:setTimeout(i,4);break;default:e()}},4)}));try{eM.bindBuffer(eM.PIXEL_PACK_BUFFER,e),eM.getBufferSubData(eM.PIXEL_PACK_BUFFER,0,l)}finally{eM.deleteBuffer(e),eM.deleteSync(n)}return l}}finally{let e=null!==J?s.get(J).__webglFramebuffer:null;r.bindFramebuffer(eM.FRAMEBUFFER,e)}}},this.copyFramebufferToTexture=function(e,t=null,i=0){!0!==e.isTexture&&(console.warn("WebGLRenderer: copyFramebufferToTexture function signature has changed."),t=arguments[0]||null,e=arguments[1]);let n=Math.pow(2,-i),a=Math.floor(e.image.width*n),s=Math.floor(e.image.height*n),l=null!==t?t.x:0,h=null!==t?t.y:0;o.setTexture2D(e,0),eM.copyTexSubImage2D(eM.TEXTURE_2D,i,0,0,l,h,a,s),r.unbindTexture()},this.copyTextureToTexture=function(e,t,i=null,n=null,a=0){let s,l,h,u,c,d;!0!==e.isTexture&&(console.warn("WebGLRenderer: copyTextureToTexture function signature has changed."),n=arguments[0]||null,e=arguments[1],t=arguments[2],a=arguments[3]||0,i=null),null!==i?(s=i.max.x-i.min.x,l=i.max.y-i.min.y,h=i.min.x,u=i.min.y):(s=e.image.width,l=e.image.height,h=0,u=0),null!==n?(c=n.x,d=n.y):(c=0,d=0);let p=A.convert(t.format),f=A.convert(t.type);o.setTexture2D(t,0),eM.pixelStorei(eM.UNPACK_FLIP_Y_WEBGL,t.flipY),eM.pixelStorei(eM.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),eM.pixelStorei(eM.UNPACK_ALIGNMENT,t.unpackAlignment);let m=eM.getParameter(eM.UNPACK_ROW_LENGTH),g=eM.getParameter(eM.UNPACK_IMAGE_HEIGHT),_=eM.getParameter(eM.UNPACK_SKIP_PIXELS),v=eM.getParameter(eM.UNPACK_SKIP_ROWS),x=eM.getParameter(eM.UNPACK_SKIP_IMAGES),y=e.isCompressedTexture?e.mipmaps[a]:e.image;eM.pixelStorei(eM.UNPACK_ROW_LENGTH,y.width),eM.pixelStorei(eM.UNPACK_IMAGE_HEIGHT,y.height),eM.pixelStorei(eM.UNPACK_SKIP_PIXELS,h),eM.pixelStorei(eM.UNPACK_SKIP_ROWS,u),e.isDataTexture?eM.texSubImage2D(eM.TEXTURE_2D,a,c,d,s,l,p,f,y.data):e.isCompressedTexture?eM.compressedTexSubImage2D(eM.TEXTURE_2D,a,c,d,y.width,y.height,p,y.data):eM.texSubImage2D(eM.TEXTURE_2D,a,c,d,p,f,y),eM.pixelStorei(eM.UNPACK_ROW_LENGTH,m),eM.pixelStorei(eM.UNPACK_IMAGE_HEIGHT,g),eM.pixelStorei(eM.UNPACK_SKIP_PIXELS,_),eM.pixelStorei(eM.UNPACK_SKIP_ROWS,v),eM.pixelStorei(eM.UNPACK_SKIP_IMAGES,x),0===a&&t.generateMipmaps&&eM.generateMipmap(eM.TEXTURE_2D),r.unbindTexture()},this.copyTextureToTexture3D=function(e,t,i=null,n=null,a=0){let s,l,h,u,c,d,p,f,m,g;!0!==e.isTexture&&(console.warn("WebGLRenderer: copyTextureToTexture3D function signature has changed."),i=arguments[0]||null,n=arguments[1]||null,e=arguments[2],t=arguments[3],a=arguments[4]||0);let _=e.isCompressedTexture?e.mipmaps[a]:e.image;null!==i?(s=i.max.x-i.min.x,l=i.max.y-i.min.y,h=i.max.z-i.min.z,u=i.min.x,c=i.min.y,d=i.min.z):(s=_.width,l=_.height,h=_.depth,u=0,c=0,d=0),null!==n?(p=n.x,f=n.y,m=n.z):(p=0,f=0,m=0);let v=A.convert(t.format),x=A.convert(t.type);if(t.isData3DTexture)o.setTexture3D(t,0),g=eM.TEXTURE_3D;else if(t.isDataArrayTexture||t.isCompressedArrayTexture)o.setTexture2DArray(t,0),g=eM.TEXTURE_2D_ARRAY;else{console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");return}eM.pixelStorei(eM.UNPACK_FLIP_Y_WEBGL,t.flipY),eM.pixelStorei(eM.UNPACK_PREMULTIPLY_ALPHA_WEBGL,t.premultiplyAlpha),eM.pixelStorei(eM.UNPACK_ALIGNMENT,t.unpackAlignment);let y=eM.getParameter(eM.UNPACK_ROW_LENGTH),M=eM.getParameter(eM.UNPACK_IMAGE_HEIGHT),S=eM.getParameter(eM.UNPACK_SKIP_PIXELS),b=eM.getParameter(eM.UNPACK_SKIP_ROWS),T=eM.getParameter(eM.UNPACK_SKIP_IMAGES);eM.pixelStorei(eM.UNPACK_ROW_LENGTH,_.width),eM.pixelStorei(eM.UNPACK_IMAGE_HEIGHT,_.height),eM.pixelStorei(eM.UNPACK_SKIP_PIXELS,u),eM.pixelStorei(eM.UNPACK_SKIP_ROWS,c),eM.pixelStorei(eM.UNPACK_SKIP_IMAGES,d),e.isDataTexture||e.isData3DTexture?eM.texSubImage3D(g,a,p,f,m,s,l,h,v,x,_.data):t.isCompressedArrayTexture?eM.compressedTexSubImage3D(g,a,p,f,m,s,l,h,v,_.data):eM.texSubImage3D(g,a,p,f,m,s,l,h,v,x,_),eM.pixelStorei(eM.UNPACK_ROW_LENGTH,y),eM.pixelStorei(eM.UNPACK_IMAGE_HEIGHT,M),eM.pixelStorei(eM.UNPACK_SKIP_PIXELS,S),eM.pixelStorei(eM.UNPACK_SKIP_ROWS,b),eM.pixelStorei(eM.UNPACK_SKIP_IMAGES,T),0===a&&t.generateMipmaps&&eM.generateMipmap(g),r.unbindTexture()},this.initRenderTarget=function(e){void 0===s.get(e).__webglFramebuffer&&o.setupRenderTarget(e)},this.initTexture=function(e){e.isCubeTexture?o.setTextureCube(e,0):e.isData3DTexture?o.setTexture3D(e,0):e.isDataArrayTexture||e.isCompressedArrayTexture?o.setTexture2DArray(e,0):o.setTexture2D(e,0),r.unbindTexture()},this.resetState=function(){Y=0,Z=0,J=null,r.reset(),C.reset()},"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}get coordinateSystem(){return iw}get outputColorSpace(){return this._outputColorSpace}set outputColorSpace(e){this._outputColorSpace=e;let t=this.getContext();t.drawingBufferColorSpace=e===tq?"display-p3":"srgb",t.unpackColorSpace=i0.workingColorSpace===tY?"display-p3":"srgb"}}class ok{constructor(e,t=25e-5){this.isFogExp2=!0,this.name="",this.color=new rg(e),this.density=t}clone(){return new ok(this.color,this.density)}toJSON(){return{type:"FogExp2",name:this.name,color:this.color.getHex(),density:this.density}}}class oV{constructor(e,t=1,i=1e3){this.isFog=!0,this.name="",this.color=new rg(e),this.near=t,this.far=i}clone(){return new oV(this.color,this.near,this.far)}toJSON(){return{type:"Fog",name:this.name,color:this.color.getHex(),near:this.near,far:this.far}}}class oH extends re{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new nq,this.environmentIntensity=1,this.environmentRotation=new nq,this.overrideMaterial=null,"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(e,t){return super.copy(e,t),null!==e.background&&(this.background=e.background.clone()),null!==e.environment&&(this.environment=e.environment.clone()),null!==e.fog&&(this.fog=e.fog.clone()),this.backgroundBlurriness=e.backgroundBlurriness,this.backgroundIntensity=e.backgroundIntensity,this.backgroundRotation.copy(e.backgroundRotation),this.environmentIntensity=e.environmentIntensity,this.environmentRotation.copy(e.environmentRotation),null!==e.overrideMaterial&&(this.overrideMaterial=e.overrideMaterial.clone()),this.matrixAutoUpdate=e.matrixAutoUpdate,this}toJSON(e){let t=super.toJSON(e);return null!==this.fog&&(t.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(t.object.backgroundBlurriness=this.backgroundBlurriness),1!==this.backgroundIntensity&&(t.object.backgroundIntensity=this.backgroundIntensity),t.object.backgroundRotation=this.backgroundRotation.toArray(),1!==this.environmentIntensity&&(t.object.environmentIntensity=this.environmentIntensity),t.object.environmentRotation=this.environmentRotation.toArray(),t}}class oG{constructor(e,t){this.isInterleavedBuffer=!0,this.array=e,this.stride=t,this.count=void 0!==e?e.length/t:0,this.usage=im,this._updateRange={offset:0,count:-1},this.updateRanges=[],this.version=0,this.uuid=iU()}onUploadCallback(){}set needsUpdate(e){!0===e&&this.version++}get updateRange(){return iZ("THREE.InterleavedBuffer: updateRange() is deprecated and will be removed in r169. Use addUpdateRange() instead."),this._updateRange}setUsage(e){return this.usage=e,this}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}copy(e){return this.array=new e.array.constructor(e.array),this.count=e.count,this.stride=e.stride,this.usage=e.usage,this}copyAt(e,t,i){e*=this.stride,i*=t.stride;for(let n=0,r=this.stride;n<r;n++)this.array[e+n]=t.array[i+n];return this}set(e,t=0){return this.array.set(e,t),this}clone(e){void 0===e.arrayBuffers&&(e.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=iU()),void 0===e.arrayBuffers[this.array.buffer._uuid]&&(e.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);let t=new this.array.constructor(e.arrayBuffers[this.array.buffer._uuid]),i=new this.constructor(t,this.stride);return i.setUsage(this.usage),i}onUpload(e){return this.onUploadCallback=e,this}toJSON(e){return void 0===e.arrayBuffers&&(e.arrayBuffers={}),void 0===this.array.buffer._uuid&&(this.array.buffer._uuid=iU()),void 0===e.arrayBuffers[this.array.buffer._uuid]&&(e.arrayBuffers[this.array.buffer._uuid]=Array.from(new Uint32Array(this.array.buffer))),{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride}}}let oW=new no;class oX{constructor(e,t,i,n=!1){this.isInterleavedBufferAttribute=!0,this.name="",this.data=e,this.itemSize=t,this.offset=i,this.normalized=n}get count(){return this.data.count}get array(){return this.data.array}set needsUpdate(e){this.data.needsUpdate=e}applyMatrix4(e){for(let t=0,i=this.data.count;t<i;t++)oW.fromBufferAttribute(this,t),oW.applyMatrix4(e),this.setXYZ(t,oW.x,oW.y,oW.z);return this}applyNormalMatrix(e){for(let t=0,i=this.count;t<i;t++)oW.fromBufferAttribute(this,t),oW.applyNormalMatrix(e),this.setXYZ(t,oW.x,oW.y,oW.z);return this}transformDirection(e){for(let t=0,i=this.count;t<i;t++)oW.fromBufferAttribute(this,t),oW.transformDirection(e),this.setXYZ(t,oW.x,oW.y,oW.z);return this}getComponent(e,t){let i=this.array[e*this.data.stride+this.offset+t];return this.normalized&&(i=iF(i,this.array)),i}setComponent(e,t,i){return this.normalized&&(i=iB(i,this.array)),this.data.array[e*this.data.stride+this.offset+t]=i,this}setX(e,t){return this.normalized&&(t=iB(t,this.array)),this.data.array[e*this.data.stride+this.offset]=t,this}setY(e,t){return this.normalized&&(t=iB(t,this.array)),this.data.array[e*this.data.stride+this.offset+1]=t,this}setZ(e,t){return this.normalized&&(t=iB(t,this.array)),this.data.array[e*this.data.stride+this.offset+2]=t,this}setW(e,t){return this.normalized&&(t=iB(t,this.array)),this.data.array[e*this.data.stride+this.offset+3]=t,this}getX(e){let t=this.data.array[e*this.data.stride+this.offset];return this.normalized&&(t=iF(t,this.array)),t}getY(e){let t=this.data.array[e*this.data.stride+this.offset+1];return this.normalized&&(t=iF(t,this.array)),t}getZ(e){let t=this.data.array[e*this.data.stride+this.offset+2];return this.normalized&&(t=iF(t,this.array)),t}getW(e){let t=this.data.array[e*this.data.stride+this.offset+3];return this.normalized&&(t=iF(t,this.array)),t}setXY(e,t,i){return e=e*this.data.stride+this.offset,this.normalized&&(t=iB(t,this.array),i=iB(i,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=i,this}setXYZ(e,t,i,n){return e=e*this.data.stride+this.offset,this.normalized&&(t=iB(t,this.array),i=iB(i,this.array),n=iB(n,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=i,this.data.array[e+2]=n,this}setXYZW(e,t,i,n,r){return e=e*this.data.stride+this.offset,this.normalized&&(t=iB(t,this.array),i=iB(i,this.array),n=iB(n,this.array),r=iB(r,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=i,this.data.array[e+2]=n,this.data.array[e+3]=r,this}clone(e){if(void 0!==e)return void 0===e.interleavedBuffers&&(e.interleavedBuffers={}),void 0===e.interleavedBuffers[this.data.uuid]&&(e.interleavedBuffers[this.data.uuid]=this.data.clone(e)),new oX(e.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized);{console.log("THREE.InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data.");let e=[];for(let t=0;t<this.count;t++){let i=t*this.data.stride+this.offset;for(let t=0;t<this.itemSize;t++)e.push(this.data.array[i+t])}return new rA(new this.array.constructor(e),this.itemSize,this.normalized)}}toJSON(e){if(void 0!==e)return void 0===e.interleavedBuffers&&(e.interleavedBuffers={}),void 0===e.interleavedBuffers[this.data.uuid]&&(e.interleavedBuffers[this.data.uuid]=this.data.toJSON(e)),{isInterleavedBufferAttribute:!0,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized};{console.log("THREE.InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data.");let e=[];for(let t=0;t<this.count;t++){let i=t*this.data.stride+this.offset;for(let t=0;t<this.itemSize;t++)e.push(this.data.array[i+t])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:e,normalized:this.normalized}}}}class oj extends rx{constructor(e){super(),this.isSpriteMaterial=!0,this.type="SpriteMaterial",this.color=new rg(16777215),this.map=null,this.alphaMap=null,this.rotation=0,this.sizeAttenuation=!0,this.transparent=!0,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.alphaMap=e.alphaMap,this.rotation=e.rotation,this.sizeAttenuation=e.sizeAttenuation,this.fog=e.fog,this}}let oq=new no,oY=new no,oZ=new no,oJ=new ik,oK=new ik,o$=new nF,oQ=new no,o0=new no,o1=new no,o2=new ik,o3=new ik,o4=new ik;class o5 extends re{constructor(e=new oj){if(super(),this.isSprite=!0,this.type="Sprite",void 0===r){r=new rW;let e=new oG(new Float32Array([-.5,-.5,0,0,0,.5,-.5,0,1,0,.5,.5,0,1,1,-.5,.5,0,0,1]),5);r.setIndex([0,1,2,0,2,3]),r.setAttribute("position",new oX(e,3,0,!1)),r.setAttribute("uv",new oX(e,2,3,!1))}this.geometry=r,this.material=e,this.center=new ik(.5,.5)}raycast(e,t){let i,n;null===e.camera&&console.error('THREE.Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.'),oY.setFromMatrixScale(this.matrixWorld),o$.copy(e.camera.matrixWorld),this.modelViewMatrix.multiplyMatrices(e.camera.matrixWorldInverse,this.matrixWorld),oZ.setFromMatrixPosition(this.modelViewMatrix),e.camera.isPerspectiveCamera&&!1===this.material.sizeAttenuation&&oY.multiplyScalar(-oZ.z);let r=this.material.rotation;0!==r&&(n=Math.cos(r),i=Math.sin(r));let a=this.center;o6(oQ.set(-.5,-.5,0),oZ,a,oY,i,n),o6(o0.set(.5,-.5,0),oZ,a,oY,i,n),o6(o1.set(.5,.5,0),oZ,a,oY,i,n),o2.set(0,0),o3.set(1,0),o4.set(1,1);let s=e.ray.intersectTriangle(oQ,o0,o1,!1,oq);if(null===s&&(o6(o0.set(-.5,.5,0),oZ,a,oY,i,n),o3.set(0,1),null===(s=e.ray.intersectTriangle(oQ,o1,o0,!1,oq))))return;let o=e.ray.origin.distanceTo(oq);o<e.near||o>e.far||t.push({distance:o,point:oq.clone(),uv:rc.getInterpolation(oq,oQ,o0,o1,o2,o3,o4,new ik),face:null,object:this})}copy(e,t){return super.copy(e,t),void 0!==e.center&&this.center.copy(e.center),this.material=e.material,this}}function o6(e,t,i,n,r,a){oJ.subVectors(e,i).addScalar(.5).multiply(n),void 0!==r?(oK.x=a*oJ.x-r*oJ.y,oK.y=r*oJ.x+a*oJ.y):oK.copy(oJ),e.copy(t),e.x+=oK.x,e.y+=oK.y,e.applyMatrix4(o$)}let o8=new no,o9=new no;class o7 extends re{constructor(){super(),this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]},isLOD:{value:!0}}),this.autoUpdate=!0}copy(e){super.copy(e,!1);let t=e.levels;for(let e=0,i=t.length;e<i;e++){let i=t[e];this.addLevel(i.object.clone(),i.distance,i.hysteresis)}return this.autoUpdate=e.autoUpdate,this}addLevel(e,t=0,i=0){let n;t=Math.abs(t);let r=this.levels;for(n=0;n<r.length&&!(t<r[n].distance);n++);return r.splice(n,0,{distance:t,hysteresis:i,object:e}),this.add(e),this}getCurrentLevel(){return this._currentLevel}getObjectForDistance(e){let t=this.levels;if(t.length>0){let i,n;for(i=1,n=t.length;i<n;i++){let n=t[i].distance;if(t[i].object.visible&&(n-=n*t[i].hysteresis),e<n)break}return t[i-1].object}return null}raycast(e,t){if(this.levels.length>0){o8.setFromMatrixPosition(this.matrixWorld);let i=e.ray.origin.distanceTo(o8);this.getObjectForDistance(i).raycast(e,t)}}update(e){let t=this.levels;if(t.length>1){let i,n;o8.setFromMatrixPosition(e.matrixWorld),o9.setFromMatrixPosition(this.matrixWorld);let r=o8.distanceTo(o9)/e.zoom;for(i=1,t[0].object.visible=!0,n=t.length;i<n;i++){let e=t[i].distance;if(t[i].object.visible&&(e-=e*t[i].hysteresis),r>=e)t[i-1].object.visible=!1,t[i].object.visible=!0;else break}for(this._currentLevel=i-1;i<n;i++)t[i].object.visible=!1}}toJSON(e){let t=super.toJSON(e);!1===this.autoUpdate&&(t.object.autoUpdate=!1),t.object.levels=[];let i=this.levels;for(let e=0,n=i.length;e<n;e++){let n=i[e];t.object.levels.push({object:n.object.uuid,distance:n.distance,hysteresis:n.hysteresis})}return t}}let le=new no,lt=new i7,li=new i7,ln=new no,lr=new nF,la=new no,ls=new nC,lo=new nF,ll=new nO;class lh extends r9{constructor(e,t){super(e,t),this.isSkinnedMesh=!0,this.type="SkinnedMesh",this.bindMode=ep,this.bindMatrix=new nF,this.bindMatrixInverse=new nF,this.boundingBox=null,this.boundingSphere=null}computeBoundingBox(){let e=this.geometry;null===this.boundingBox&&(this.boundingBox=new nu),this.boundingBox.makeEmpty();let t=e.getAttribute("position");for(let e=0;e<t.count;e++)this.getVertexPosition(e,la),this.boundingBox.expandByPoint(la)}computeBoundingSphere(){let e=this.geometry;null===this.boundingSphere&&(this.boundingSphere=new nC),this.boundingSphere.makeEmpty();let t=e.getAttribute("position");for(let e=0;e<t.count;e++)this.getVertexPosition(e,la),this.boundingSphere.expandByPoint(la)}copy(e,t){return super.copy(e,t),this.bindMode=e.bindMode,this.bindMatrix.copy(e.bindMatrix),this.bindMatrixInverse.copy(e.bindMatrixInverse),this.skeleton=e.skeleton,null!==e.boundingBox&&(this.boundingBox=e.boundingBox.clone()),null!==e.boundingSphere&&(this.boundingSphere=e.boundingSphere.clone()),this}raycast(e,t){let i=this.material,n=this.matrixWorld;if(void 0!==i&&(null===this.boundingSphere&&this.computeBoundingSphere(),ls.copy(this.boundingSphere),ls.applyMatrix4(n),!1!==e.ray.intersectsSphere(ls))){if(lo.copy(n).invert(),ll.copy(e.ray).applyMatrix4(lo),null!==this.boundingBox&&!1===ll.intersectsBox(this.boundingBox))return;this._computeIntersections(e,t,ll)}}getVertexPosition(e,t){return super.getVertexPosition(e,t),this.applyBoneTransform(e,t),t}bind(e,t){this.skeleton=e,void 0===t&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),t=this.matrixWorld),this.bindMatrix.copy(t),this.bindMatrixInverse.copy(t).invert()}pose(){this.skeleton.pose()}normalizeSkinWeights(){let e=new i7,t=this.geometry.attributes.skinWeight;for(let i=0,n=t.count;i<n;i++){e.fromBufferAttribute(t,i);let n=1/e.manhattanLength();n!==1/0?e.multiplyScalar(n):e.set(1,0,0,0),t.setXYZW(i,e.x,e.y,e.z,e.w)}}updateMatrixWorld(e){super.updateMatrixWorld(e),this.bindMode===ep?this.bindMatrixInverse.copy(this.matrixWorld).invert():this.bindMode===ef?this.bindMatrixInverse.copy(this.bindMatrix).invert():console.warn("THREE.SkinnedMesh: Unrecognized bindMode: "+this.bindMode)}applyBoneTransform(e,t){let i=this.skeleton,n=this.geometry;lt.fromBufferAttribute(n.attributes.skinIndex,e),li.fromBufferAttribute(n.attributes.skinWeight,e),le.copy(t).applyMatrix4(this.bindMatrix),t.set(0,0,0);for(let e=0;e<4;e++){let n=li.getComponent(e);if(0!==n){let r=lt.getComponent(e);lr.multiplyMatrices(i.bones[r].matrixWorld,i.boneInverses[r]),t.addScaledVector(ln.copy(le).applyMatrix4(lr),n)}}return t.applyMatrix4(this.bindMatrixInverse)}}class lu extends re{constructor(){super(),this.isBone=!0,this.type="Bone"}}class lc extends i9{constructor(e=null,t=1,i=1,n,r,a,s,o,l=eT,h=eT,u,c){super(null,a,s,o,l,h,n,r,u,c),this.isDataTexture=!0,this.image={data:e,width:t,height:i},this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}let ld=new nF,lp=new nF;class lf{constructor(e=[],t=[]){this.uuid=iU(),this.bones=e.slice(0),this.boneInverses=t,this.boneMatrices=null,this.boneTexture=null,this.init()}init(){let e=this.bones,t=this.boneInverses;if(this.boneMatrices=new Float32Array(16*e.length),0===t.length)this.calculateInverses();else if(e.length!==t.length){console.warn("THREE.Skeleton: Number of inverse bone matrices does not match amount of bones."),this.boneInverses=[];for(let e=0,t=this.bones.length;e<t;e++)this.boneInverses.push(new nF)}}calculateInverses(){this.boneInverses.length=0;for(let e=0,t=this.bones.length;e<t;e++){let t=new nF;this.bones[e]&&t.copy(this.bones[e].matrixWorld).invert(),this.boneInverses.push(t)}}pose(){for(let e=0,t=this.bones.length;e<t;e++){let t=this.bones[e];t&&t.matrixWorld.copy(this.boneInverses[e]).invert()}for(let e=0,t=this.bones.length;e<t;e++){let t=this.bones[e];t&&(t.parent&&t.parent.isBone?(t.matrix.copy(t.parent.matrixWorld).invert(),t.matrix.multiply(t.matrixWorld)):t.matrix.copy(t.matrixWorld),t.matrix.decompose(t.position,t.quaternion,t.scale))}}update(){let e=this.bones,t=this.boneInverses,i=this.boneMatrices,n=this.boneTexture;for(let n=0,r=e.length;n<r;n++){let r=e[n]?e[n].matrixWorld:lp;ld.multiplyMatrices(r,t[n]),ld.toArray(i,16*n)}null!==n&&(n.needsUpdate=!0)}clone(){return new lf(this.bones,this.boneInverses)}computeBoneTexture(){let e=Math.sqrt(4*this.bones.length),t=new Float32Array((e=Math.max(e=4*Math.ceil(e/4),4))*e*4);t.set(this.boneMatrices);let i=new lc(t,e,e,eY,ek);return i.needsUpdate=!0,this.boneMatrices=t,this.boneTexture=i,this}getBoneByName(e){for(let t=0,i=this.bones.length;t<i;t++){let i=this.bones[t];if(i.name===e)return i}}dispose(){null!==this.boneTexture&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(e,t){this.uuid=e.uuid;for(let i=0,n=e.bones.length;i<n;i++){let n=e.bones[i],r=t[n];void 0===r&&(console.warn("THREE.Skeleton: No bone found with UUID:",n),r=new lu),this.bones.push(r),this.boneInverses.push(new nF().fromArray(e.boneInverses[i]))}return this.init(),this}toJSON(){let e={metadata:{version:4.6,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};e.uuid=this.uuid;let t=this.bones,i=this.boneInverses;for(let n=0,r=t.length;n<r;n++){let r=t[n];e.bones.push(r.uuid);let a=i[n];e.boneInverses.push(a.toArray())}return e}}class lm extends rA{constructor(e,t,i,n=1){super(e,t,i),this.isInstancedBufferAttribute=!0,this.meshPerAttribute=n}copy(e){return super.copy(e),this.meshPerAttribute=e.meshPerAttribute,this}toJSON(){let e=super.toJSON();return e.meshPerAttribute=this.meshPerAttribute,e.isInstancedBufferAttribute=!0,e}}let lg=new nF,l_=new nF,lv=[],lx=new nu,ly=new nF,lM=new r9,lS=new nC;class lb extends r9{constructor(e,t,i){super(e,t),this.isInstancedMesh=!0,this.instanceMatrix=new lm(new Float32Array(16*i),16),this.instanceColor=null,this.morphTexture=null,this.count=i,this.boundingBox=null,this.boundingSphere=null;for(let e=0;e<i;e++)this.setMatrixAt(e,ly)}computeBoundingBox(){let e=this.geometry,t=this.count;null===this.boundingBox&&(this.boundingBox=new nu),null===e.boundingBox&&e.computeBoundingBox(),this.boundingBox.makeEmpty();for(let i=0;i<t;i++)this.getMatrixAt(i,lg),lx.copy(e.boundingBox).applyMatrix4(lg),this.boundingBox.union(lx)}computeBoundingSphere(){let e=this.geometry,t=this.count;null===this.boundingSphere&&(this.boundingSphere=new nC),null===e.boundingSphere&&e.computeBoundingSphere(),this.boundingSphere.makeEmpty();for(let i=0;i<t;i++)this.getMatrixAt(i,lg),lS.copy(e.boundingSphere).applyMatrix4(lg),this.boundingSphere.union(lS)}copy(e,t){return super.copy(e,t),this.instanceMatrix.copy(e.instanceMatrix),null!==e.morphTexture&&(this.morphTexture=e.morphTexture.clone()),null!==e.instanceColor&&(this.instanceColor=e.instanceColor.clone()),this.count=e.count,null!==e.boundingBox&&(this.boundingBox=e.boundingBox.clone()),null!==e.boundingSphere&&(this.boundingSphere=e.boundingSphere.clone()),this}getColorAt(e,t){t.fromArray(this.instanceColor.array,3*e)}getMatrixAt(e,t){t.fromArray(this.instanceMatrix.array,16*e)}getMorphAt(e,t){let i=t.morphTargetInfluences,n=this.morphTexture.source.data.data,r=e*(i.length+1)+1;for(let e=0;e<i.length;e++)i[e]=n[r+e]}raycast(e,t){let i=this.matrixWorld,n=this.count;if(lM.geometry=this.geometry,lM.material=this.material,void 0!==lM.material&&(null===this.boundingSphere&&this.computeBoundingSphere(),lS.copy(this.boundingSphere),lS.applyMatrix4(i),!1!==e.ray.intersectsSphere(lS)))for(let r=0;r<n;r++){this.getMatrixAt(r,lg),l_.multiplyMatrices(i,lg),lM.matrixWorld=l_,lM.raycast(e,lv);for(let e=0,i=lv.length;e<i;e++){let i=lv[e];i.instanceId=r,i.object=this,t.push(i)}lv.length=0}}setColorAt(e,t){null===this.instanceColor&&(this.instanceColor=new lm(new Float32Array(3*this.instanceMatrix.count),3)),t.toArray(this.instanceColor.array,3*e)}setMatrixAt(e,t){t.toArray(this.instanceMatrix.array,16*e)}setMorphAt(e,t){let i=t.morphTargetInfluences,n=i.length+1;null===this.morphTexture&&(this.morphTexture=new lc(new Float32Array(n*this.count),n,this.count,eQ,ek));let r=this.morphTexture.source.data.data,a=0;for(let e=0;e<i.length;e++)a+=i[e];let s=this.geometry.morphTargetsRelative?1:1-a,o=n*e;r[o]=s,r.set(i,o+1)}updateMorphTargets(){}dispose(){return this.dispatchEvent({type:"dispose"}),null!==this.morphTexture&&(this.morphTexture.dispose(),this.morphTexture=null),this}}function lT(e,t){return e.z-t.z}function lE(e,t){return t.z-e.z}class lw{constructor(){this.index=0,this.pool=[],this.list=[]}push(e,t){let i=this.pool,n=this.list;this.index>=i.length&&i.push({start:-1,count:-1,z:-1});let r=i[this.index];n.push(r),this.index++,r.start=e.start,r.count=e.count,r.z=t}reset(){this.list.length=0,this.index=0}}let lA="batchId",lC=new nF,lR=new nF,lP=new nF,lL=new rg(1,1,1),lI=new nF,lU=new ay,lN=new nu,lD=new nC,lO=new no,lF=new no,lB=new no,lz=new lw,lk=new r9,lV=[];class lH extends r9{get maxGeometryCount(){return this._maxGeometryCount}constructor(e,t,i=2*t,n){super(new rW,n),this.isBatchedMesh=!0,this.perObjectFrustumCulled=!0,this.sortObjects=!0,this.boundingBox=null,this.boundingSphere=null,this.customSort=null,this._drawRanges=[],this._reservedRanges=[],this._visibility=[],this._active=[],this._bounds=[],this._maxGeometryCount=e,this._maxVertexCount=t,this._maxIndexCount=i,this._geometryInitialized=!1,this._geometryCount=0,this._multiDrawCounts=new Int32Array(e),this._multiDrawStarts=new Int32Array(e),this._multiDrawCount=0,this._multiDrawInstances=null,this._visibilityChanged=!0,this._matricesTexture=null,this._initMatricesTexture(),this._colorsTexture=null}_initMatricesTexture(){let e=Math.sqrt(4*this._maxGeometryCount),t=new lc(new Float32Array((e=Math.max(e=4*Math.ceil(e/4),4))*e*4),e,e,eY,ek);this._matricesTexture=t}_initColorsTexture(){let e=Math.sqrt(this._maxGeometryCount),t=new lc(new Float32Array((e=Math.ceil(e))*e*4).fill(1),e,e,eY,ek);t.colorSpace=i0.workingColorSpace,this._colorsTexture=t}_initializeGeometry(e){let t=this.geometry,i=this._maxVertexCount,n=this._maxGeometryCount,r=this._maxIndexCount;if(!1===this._geometryInitialized){for(let n in e.attributes){let{array:r,itemSize:a,normalized:s}=e.getAttribute(n),o=new rA(new r.constructor(i*a),a,s);t.setAttribute(n,o)}if(null!==e.getIndex()){let e=i>65536?new Uint32Array(r):new Uint16Array(r);t.setIndex(new rA(e,1))}let a=n>65536?new Uint32Array(i):new Uint16Array(i);t.setAttribute(lA,new rA(a,1)),this._geometryInitialized=!0}}_validateGeometry(e){if(e.getAttribute(lA))throw Error(`BatchedMesh: Geometry cannot use attribute "${lA}"`);let t=this.geometry;if(!!e.getIndex()!=!!t.getIndex())throw Error('BatchedMesh: All geometries must consistently have "index".');for(let i in t.attributes){if(i===lA)continue;if(!e.hasAttribute(i))throw Error(`BatchedMesh: Added geometry missing "${i}". All geometries must have consistent attributes.`);let n=e.getAttribute(i),r=t.getAttribute(i);if(n.itemSize!==r.itemSize||n.normalized!==r.normalized)throw Error("BatchedMesh: All attributes must have a consistent itemSize and normalized value.")}}setCustomSort(e){return this.customSort=e,this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new nu);let e=this._geometryCount,t=this.boundingBox,i=this._active;t.makeEmpty();for(let n=0;n<e;n++)!1!==i[n]&&(this.getMatrixAt(n,lC),this.getBoundingBoxAt(n,lN).applyMatrix4(lC),t.union(lN))}computeBoundingSphere(){null===this.boundingSphere&&(this.boundingSphere=new nC);let e=this._geometryCount,t=this.boundingSphere,i=this._active;t.makeEmpty();for(let n=0;n<e;n++)!1!==i[n]&&(this.getMatrixAt(n,lC),this.getBoundingSphereAt(n,lD).applyMatrix4(lC),t.union(lD))}addGeometry(e,t=-1,i=-1){if(this._initializeGeometry(e),this._validateGeometry(e),this._geometryCount>=this._maxGeometryCount)throw Error("BatchedMesh: Maximum geometry count reached.");let n={vertexStart:-1,vertexCount:-1,indexStart:-1,indexCount:-1},r=null,a=this._reservedRanges,s=this._drawRanges,o=this._bounds;0!==this._geometryCount&&(r=a[a.length-1]),-1===t?n.vertexCount=e.getAttribute("position").count:n.vertexCount=t,null===r?n.vertexStart=0:n.vertexStart=r.vertexStart+r.vertexCount;let l=e.getIndex(),h=null!==l;if(h&&(-1===i?n.indexCount=l.count:n.indexCount=i,null===r?n.indexStart=0:n.indexStart=r.indexStart+r.indexCount),-1!==n.indexStart&&n.indexStart+n.indexCount>this._maxIndexCount||n.vertexStart+n.vertexCount>this._maxVertexCount)throw Error("BatchedMesh: Reserved space request exceeds the maximum buffer size.");let u=this._visibility,c=this._active,d=this._matricesTexture,p=this._matricesTexture.image.data,f=this._colorsTexture;u.push(!0),c.push(!0);let m=this._geometryCount;this._geometryCount++,lP.toArray(p,16*m),d.needsUpdate=!0,null!==f&&(lL.toArray(f.image.data,4*m),f.needsUpdate=!0),a.push(n),s.push({start:h?n.indexStart:n.vertexStart,count:-1}),o.push({boxInitialized:!1,box:new nu,sphereInitialized:!1,sphere:new nC});let g=this.geometry.getAttribute(lA);for(let e=0;e<n.vertexCount;e++)g.setX(n.vertexStart+e,m);return g.needsUpdate=!0,this.setGeometryAt(m,e),m}setGeometryAt(e,t){if(e>=this._geometryCount)throw Error("BatchedMesh: Maximum geometry count reached.");this._validateGeometry(t);let i=this.geometry,n=null!==i.getIndex(),r=i.getIndex(),a=t.getIndex(),s=this._reservedRanges[e];if(n&&a.count>s.indexCount||t.attributes.position.count>s.vertexCount)throw Error("BatchedMesh: Reserved space not large enough for provided geometry.");let o=s.vertexStart,l=s.vertexCount;for(let e in i.attributes){if(e===lA)continue;let n=t.getAttribute(e),r=i.getAttribute(e);!function(e,t,i=0){let n=t.itemSize;if(e.isInterleavedBufferAttribute||e.array.constructor!==t.array.constructor){let r=e.count;for(let a=0;a<r;a++)for(let r=0;r<n;r++)t.setComponent(a+i,r,e.getComponent(a,r))}else t.array.set(e.array,i*n);t.needsUpdate=!0}(n,r,o);let a=n.itemSize;for(let e=n.count;e<l;e++){let t=o+e;for(let e=0;e<a;e++)r.setComponent(t,e,0)}r.needsUpdate=!0,r.addUpdateRange(o*a,l*a)}if(n){let e=s.indexStart;for(let t=0;t<a.count;t++)r.setX(e+t,o+a.getX(t));for(let t=a.count,i=s.indexCount;t<i;t++)r.setX(e+t,o);r.needsUpdate=!0,r.addUpdateRange(e,s.indexCount)}let h=this._bounds[e];null!==t.boundingBox?(h.box.copy(t.boundingBox),h.boxInitialized=!0):h.boxInitialized=!1,null!==t.boundingSphere?(h.sphere.copy(t.boundingSphere),h.sphereInitialized=!0):h.sphereInitialized=!1;let u=this._drawRanges[e],c=t.getAttribute("position");return u.count=n?a.count:c.count,this._visibilityChanged=!0,e}deleteGeometry(e){let t=this._active;return e>=t.length||!1===t[e]||(t[e]=!1,this._visibilityChanged=!0),this}getInstanceCountAt(e){return null===this._multiDrawInstances?null:this._multiDrawInstances[e]}setInstanceCountAt(e,t){return null===this._multiDrawInstances&&(this._multiDrawInstances=new Int32Array(this._maxGeometryCount).fill(1)),this._multiDrawInstances[e]=t,e}getBoundingBoxAt(e,t){if(!1===this._active[e])return null;let i=this._bounds[e],n=i.box,r=this.geometry;if(!1===i.boxInitialized){n.makeEmpty();let t=r.index,a=r.attributes.position,s=this._drawRanges[e];for(let e=s.start,i=s.start+s.count;e<i;e++){let i=e;t&&(i=t.getX(i)),n.expandByPoint(lO.fromBufferAttribute(a,i))}i.boxInitialized=!0}return t.copy(n),t}getBoundingSphereAt(e,t){if(!1===this._active[e])return null;let i=this._bounds[e],n=i.sphere,r=this.geometry;if(!1===i.sphereInitialized){n.makeEmpty(),this.getBoundingBoxAt(e,lN),lN.getCenter(n.center);let t=r.index,a=r.attributes.position,s=this._drawRanges[e],o=0;for(let e=s.start,i=s.start+s.count;e<i;e++){let i=e;t&&(i=t.getX(i)),lO.fromBufferAttribute(a,i),o=Math.max(o,n.center.distanceToSquared(lO))}n.radius=Math.sqrt(o),i.sphereInitialized=!0}return t.copy(n),t}setMatrixAt(e,t){let i=this._active,n=this._matricesTexture,r=this._matricesTexture.image.data;return e>=this._geometryCount||!1===i[e]||(t.toArray(r,16*e),n.needsUpdate=!0),this}getMatrixAt(e,t){let i=this._active,n=this._matricesTexture.image.data;return e>=this._geometryCount||!1===i[e]?null:t.fromArray(n,16*e)}setColorAt(e,t){null===this._colorsTexture&&this._initColorsTexture();let i=this._active,n=this._colorsTexture,r=this._colorsTexture.image.data;return e>=this._geometryCount||!1===i[e]||(t.toArray(r,4*e),n.needsUpdate=!0),this}getColorAt(e,t){let i=this._active,n=this._colorsTexture.image.data;return e>=this._geometryCount||!1===i[e]?null:t.fromArray(n,4*e)}setVisibleAt(e,t){let i=this._visibility,n=this._active;return e>=this._geometryCount||!1===n[e]||i[e]===t||(i[e]=t,this._visibilityChanged=!0),this}getVisibleAt(e){let t=this._visibility,i=this._active;return!(e>=this._geometryCount)&&!1!==i[e]&&t[e]}raycast(e,t){let i=this._visibility,n=this._active,r=this._drawRanges,a=this._geometryCount,s=this.matrixWorld,o=this.geometry;lk.material=this.material,lk.geometry.index=o.index,lk.geometry.attributes=o.attributes,null===lk.geometry.boundingBox&&(lk.geometry.boundingBox=new nu),null===lk.geometry.boundingSphere&&(lk.geometry.boundingSphere=new nC);for(let o=0;o<a;o++){if(!i[o]||!n[o])continue;let a=r[o];lk.geometry.setDrawRange(a.start,a.count),this.getMatrixAt(o,lk.matrixWorld).premultiply(s),this.getBoundingBoxAt(o,lk.geometry.boundingBox),this.getBoundingSphereAt(o,lk.geometry.boundingSphere),lk.raycast(e,lV);for(let e=0,i=lV.length;e<i;e++){let i=lV[e];i.object=this,i.batchId=o,t.push(i)}lV.length=0}lk.material=null,lk.geometry.index=null,lk.geometry.attributes={},lk.geometry.setDrawRange(0,1/0)}copy(e){return super.copy(e),this.geometry=e.geometry.clone(),this.perObjectFrustumCulled=e.perObjectFrustumCulled,this.sortObjects=e.sortObjects,this.boundingBox=null!==e.boundingBox?e.boundingBox.clone():null,this.boundingSphere=null!==e.boundingSphere?e.boundingSphere.clone():null,this._drawRanges=e._drawRanges.map(e=>({...e})),this._reservedRanges=e._reservedRanges.map(e=>({...e})),this._visibility=e._visibility.slice(),this._active=e._active.slice(),this._bounds=e._bounds.map(e=>({boxInitialized:e.boxInitialized,box:e.box.clone(),sphereInitialized:e.sphereInitialized,sphere:e.sphere.clone()})),this._maxGeometryCount=e._maxGeometryCount,this._maxVertexCount=e._maxVertexCount,this._maxIndexCount=e._maxIndexCount,this._geometryInitialized=e._geometryInitialized,this._geometryCount=e._geometryCount,this._multiDrawCounts=e._multiDrawCounts.slice(),this._multiDrawStarts=e._multiDrawStarts.slice(),this._matricesTexture=e._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.slice(),null!==this._colorsTexture&&(this._colorsTexture=e._colorsTexture.clone(),this._colorsTexture.image.data=this._colorsTexture.image.slice()),this}dispose(){return this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,null!==this._colorsTexture&&(this._colorsTexture.dispose(),this._colorsTexture=null),this}onBeforeRender(e,t,i,n,r){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;let a=n.getIndex(),s=null===a?1:a.array.BYTES_PER_ELEMENT,o=this._active,l=this._visibility,h=this._multiDrawStarts,u=this._multiDrawCounts,c=this._drawRanges,d=this.perObjectFrustumCulled;d&&(lI.multiplyMatrices(i.projectionMatrix,i.matrixWorldInverse).multiply(this.matrixWorld),lU.setFromProjectionMatrix(lI,e.coordinateSystem));let p=0;if(this.sortObjects){lR.copy(this.matrixWorld).invert(),lO.setFromMatrixPosition(i.matrixWorld).applyMatrix4(lR),lF.set(0,0,-1).transformDirection(i.matrixWorld).transformDirection(lR);for(let e=0,t=l.length;e<t;e++)if(l[e]&&o[e]){this.getMatrixAt(e,lC),this.getBoundingSphereAt(e,lD).applyMatrix4(lC);let t=!1;if(d&&(t=!lU.intersectsSphere(lD)),!t){let t=lB.subVectors(lD.center,lO).dot(lF);lz.push(c[e],t)}}let e=lz.list,t=this.customSort;null===t?e.sort(r.transparent?lE:lT):t.call(this,e,i);for(let t=0,i=e.length;t<i;t++){let i=e[t];h[p]=i.start*s,u[p]=i.count,p++}lz.reset()}else for(let e=0,t=l.length;e<t;e++)if(l[e]&&o[e]){let t=!1;if(d&&(this.getMatrixAt(e,lC),this.getBoundingSphereAt(e,lD).applyMatrix4(lC),t=!lU.intersectsSphere(lD)),!t){let t=c[e];h[p]=t.start*s,u[p]=t.count,p++}}this._multiDrawCount=p,this._visibilityChanged=!1}onBeforeShadow(e,t,i,n,r,a){this.onBeforeRender(e,null,n,r,a)}}class lG extends rx{constructor(e){super(),this.isLineBasicMaterial=!0,this.type="LineBasicMaterial",this.color=new rg(16777215),this.map=null,this.linewidth=1,this.linecap="round",this.linejoin="round",this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.linewidth=e.linewidth,this.linecap=e.linecap,this.linejoin=e.linejoin,this.fog=e.fog,this}}let lW=new no,lX=new no,lj=new nF,lq=new nO,lY=new nC,lZ=new no,lJ=new no;class lK extends re{constructor(e=new rW,t=new lG){super(),this.isLine=!0,this.type="Line",this.geometry=e,this.material=t,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),this.material=Array.isArray(e.material)?e.material.slice():e.material,this.geometry=e.geometry,this}computeLineDistances(){let e=this.geometry;if(null===e.index){let t=e.attributes.position,i=[0];for(let e=1,n=t.count;e<n;e++)lW.fromBufferAttribute(t,e-1),lX.fromBufferAttribute(t,e),i[e]=i[e-1],i[e]+=lW.distanceTo(lX);e.setAttribute("lineDistance",new rO(i,1))}else console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}raycast(e,t){let i=this.geometry,n=this.matrixWorld,r=e.params.Line.threshold,a=i.drawRange;if(null===i.boundingSphere&&i.computeBoundingSphere(),lY.copy(i.boundingSphere),lY.applyMatrix4(n),lY.radius+=r,!1===e.ray.intersectsSphere(lY))return;lj.copy(n).invert(),lq.copy(e.ray).applyMatrix4(lj);let s=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=s*s,l=this.isLineSegments?2:1,h=i.index,u=i.attributes.position;if(null!==h){let i=Math.max(0,a.start),n=Math.min(h.count,a.start+a.count);for(let r=i,a=n-1;r<a;r+=l){let i=l$(this,e,lq,o,h.getX(r),h.getX(r+1));i&&t.push(i)}if(this.isLineLoop){let r=l$(this,e,lq,o,h.getX(n-1),h.getX(i));r&&t.push(r)}}else{let i=Math.max(0,a.start),n=Math.min(u.count,a.start+a.count);for(let r=i,a=n-1;r<a;r+=l){let i=l$(this,e,lq,o,r,r+1);i&&t.push(i)}if(this.isLineLoop){let r=l$(this,e,lq,o,n-1,i);r&&t.push(r)}}}updateMorphTargets(){let e=this.geometry.morphAttributes,t=Object.keys(e);if(t.length>0){let i=e[t[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,t=i.length;e<t;e++){let t=i[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[t]=e}}}}}function l$(e,t,i,n,r,a){let s=e.geometry.attributes.position;if(lW.fromBufferAttribute(s,r),lX.fromBufferAttribute(s,a),i.distanceSqToSegment(lW,lX,lZ,lJ)>n)return;lZ.applyMatrix4(e.matrixWorld);let o=t.ray.origin.distanceTo(lZ);if(!(o<t.near)&&!(o>t.far))return{distance:o,point:lJ.clone().applyMatrix4(e.matrixWorld),index:r,face:null,faceIndex:null,object:e}}let lQ=new no,l0=new no;class l1 extends lK{constructor(e,t){super(e,t),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){let e=this.geometry;if(null===e.index){let t=e.attributes.position,i=[];for(let e=0,n=t.count;e<n;e+=2)lQ.fromBufferAttribute(t,e),l0.fromBufferAttribute(t,e+1),i[e]=0===e?0:i[e-1],i[e+1]=i[e]+lQ.distanceTo(l0);e.setAttribute("lineDistance",new rO(i,1))}else console.warn("THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}}class l2 extends lK{constructor(e,t){super(e,t),this.isLineLoop=!0,this.type="LineLoop"}}class l3 extends rx{constructor(e){super(),this.isPointsMaterial=!0,this.type="PointsMaterial",this.color=new rg(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.alphaMap=e.alphaMap,this.size=e.size,this.sizeAttenuation=e.sizeAttenuation,this.fog=e.fog,this}}let l4=new nF,l5=new nO,l6=new nC,l8=new no;class l9 extends re{constructor(e=new rW,t=new l3){super(),this.isPoints=!0,this.type="Points",this.geometry=e,this.material=t,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),this.material=Array.isArray(e.material)?e.material.slice():e.material,this.geometry=e.geometry,this}raycast(e,t){let i=this.geometry,n=this.matrixWorld,r=e.params.Points.threshold,a=i.drawRange;if(null===i.boundingSphere&&i.computeBoundingSphere(),l6.copy(i.boundingSphere),l6.applyMatrix4(n),l6.radius+=r,!1===e.ray.intersectsSphere(l6))return;l4.copy(n).invert(),l5.copy(e.ray).applyMatrix4(l4);let s=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=s*s,l=i.index,h=i.attributes.position;if(null!==l){let i=Math.max(0,a.start),r=Math.min(l.count,a.start+a.count);for(let a=i;a<r;a++){let i=l.getX(a);l8.fromBufferAttribute(h,i),l7(l8,i,o,n,e,t,this)}}else{let i=Math.max(0,a.start),r=Math.min(h.count,a.start+a.count);for(let a=i;a<r;a++)l8.fromBufferAttribute(h,a),l7(l8,a,o,n,e,t,this)}}updateMorphTargets(){let e=this.geometry.morphAttributes,t=Object.keys(e);if(t.length>0){let i=e[t[0]];if(void 0!==i){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,t=i.length;e<t;e++){let t=i[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[t]=e}}}}}function l7(e,t,i,n,r,a,s){let o=l5.distanceSqToPoint(e);if(o<i){let i=new no;l5.closestPointToPoint(e,i),i.applyMatrix4(n);let l=r.ray.origin.distanceTo(i);if(l<r.near||l>r.far)return;a.push({distance:l,distanceToRay:Math.sqrt(o),point:i,index:t,face:null,object:s})}}class he extends i9{constructor(e,t,i,n,r,a,s,o,l){super(e,t,i,n,r,a,s,o,l),this.isVideoTexture=!0,this.minFilter=void 0!==a?a:eR,this.magFilter=void 0!==r?r:eR,this.generateMipmaps=!1;let h=this;"requestVideoFrameCallback"in e&&e.requestVideoFrameCallback(function t(){h.needsUpdate=!0,e.requestVideoFrameCallback(t)})}clone(){return new this.constructor(this.image).copy(this)}update(){let e=this.image;!1=="requestVideoFrameCallback"in e&&e.readyState>=e.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}}class ht extends i9{constructor(e,t){super({width:e,height:t}),this.isFramebufferTexture=!0,this.magFilter=eT,this.minFilter=eT,this.generateMipmaps=!1,this.needsUpdate=!0}}class hi extends i9{constructor(e,t,i,n,r,a,s,o,l,h,u,c){super(null,a,s,o,l,h,n,r,u,c),this.isCompressedTexture=!0,this.image={width:t,height:i},this.mipmaps=e,this.flipY=!1,this.generateMipmaps=!1}}class hn extends hi{constructor(e,t,i,n,r,a){super(e,t,i,r,a),this.isCompressedArrayTexture=!0,this.image.depth=n,this.wrapR=eS,this.layerUpdates=new Set}addLayerUpdates(e){this.layerUpdates.add(e)}clearLayerUpdates(){this.layerUpdates.clear()}}class hr extends hi{constructor(e,t,i){super(void 0,e[0].width,e[0].height,t,i,eg),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=e}}class ha extends i9{constructor(e,t,i,n,r,a,s,o,l){super(e,t,i,n,r,a,s,o,l),this.isCanvasTexture=!0,this.needsUpdate=!0}}class hs{constructor(){this.type="Curve",this.arcLengthDivisions=200}getPoint(){return console.warn("THREE.Curve: .getPoint() not implemented."),null}getPointAt(e,t){let i=this.getUtoTmapping(e);return this.getPoint(i,t)}getPoints(e=5){let t=[];for(let i=0;i<=e;i++)t.push(this.getPoint(i/e));return t}getSpacedPoints(e=5){let t=[];for(let i=0;i<=e;i++)t.push(this.getPointAt(i/e));return t}getLength(){let e=this.getLengths();return e[e.length-1]}getLengths(e=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;let t=[],i,n=this.getPoint(0),r=0;t.push(0);for(let a=1;a<=e;a++)t.push(r+=(i=this.getPoint(a/e)).distanceTo(n)),n=i;return this.cacheArcLengths=t,t}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(e,t){let i;let n=this.getLengths(),r=0,a=n.length;i=t||e*n[a-1];let s=0,o=a-1,l;for(;s<=o;)if((l=n[r=Math.floor(s+(o-s)/2)]-i)<0)s=r+1;else if(l>0)o=r-1;else{o=r;break}if(n[r=o]===i)return r/(a-1);let h=n[r],u=n[r+1];return(r+(i-h)/(u-h))/(a-1)}getTangent(e,t){let i=e-1e-4,n=e+1e-4;i<0&&(i=0),n>1&&(n=1);let r=this.getPoint(i),a=this.getPoint(n),s=t||(r.isVector2?new ik:new no);return s.copy(a).sub(r).normalize(),s}getTangentAt(e,t){let i=this.getUtoTmapping(e);return this.getTangent(i,t)}computeFrenetFrames(e,t){let i=new no,n=[],r=[],a=[],s=new no,o=new nF;for(let t=0;t<=e;t++){let i=t/e;n[t]=this.getTangentAt(i,new no)}r[0]=new no,a[0]=new no;let l=Number.MAX_VALUE,h=Math.abs(n[0].x),u=Math.abs(n[0].y),c=Math.abs(n[0].z);h<=l&&(l=h,i.set(1,0,0)),u<=l&&(l=u,i.set(0,1,0)),c<=l&&i.set(0,0,1),s.crossVectors(n[0],i).normalize(),r[0].crossVectors(n[0],s),a[0].crossVectors(n[0],r[0]);for(let t=1;t<=e;t++){if(r[t]=r[t-1].clone(),a[t]=a[t-1].clone(),s.crossVectors(n[t-1],n[t]),s.length()>Number.EPSILON){s.normalize();let e=Math.acos(iN(n[t-1].dot(n[t]),-1,1));r[t].applyMatrix4(o.makeRotationAxis(s,e))}a[t].crossVectors(n[t],r[t])}if(!0===t){let t=Math.acos(iN(r[0].dot(r[e]),-1,1));t/=e,n[0].dot(s.crossVectors(r[0],r[e]))>0&&(t=-t);for(let i=1;i<=e;i++)r[i].applyMatrix4(o.makeRotationAxis(n[i],t*i)),a[i].crossVectors(n[i],r[i])}return{tangents:n,normals:r,binormals:a}}clone(){return new this.constructor().copy(this)}copy(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}toJSON(){let e={metadata:{version:4.6,type:"Curve",generator:"Curve.toJSON"}};return e.arcLengthDivisions=this.arcLengthDivisions,e.type=this.type,e}fromJSON(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}}class ho extends hs{constructor(e=0,t=0,i=1,n=1,r=0,a=2*Math.PI,s=!1,o=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=e,this.aY=t,this.xRadius=i,this.yRadius=n,this.aStartAngle=r,this.aEndAngle=a,this.aClockwise=s,this.aRotation=o}getPoint(e,t=new ik){let i=2*Math.PI,n=this.aEndAngle-this.aStartAngle,r=Math.abs(n)<Number.EPSILON;for(;n<0;)n+=i;for(;n>i;)n-=i;n<Number.EPSILON&&(n=r?0:i),!0!==this.aClockwise||r||(n===i?n=-i:n-=i);let a=this.aStartAngle+e*n,s=this.aX+this.xRadius*Math.cos(a),o=this.aY+this.yRadius*Math.sin(a);if(0!==this.aRotation){let e=Math.cos(this.aRotation),t=Math.sin(this.aRotation),i=s-this.aX,n=o-this.aY;s=i*e-n*t+this.aX,o=i*t+n*e+this.aY}return t.set(s,o)}copy(e){return super.copy(e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}toJSON(){let e=super.toJSON();return e.aX=this.aX,e.aY=this.aY,e.xRadius=this.xRadius,e.yRadius=this.yRadius,e.aStartAngle=this.aStartAngle,e.aEndAngle=this.aEndAngle,e.aClockwise=this.aClockwise,e.aRotation=this.aRotation,e}fromJSON(e){return super.fromJSON(e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}}class hl extends ho{constructor(e,t,i,n,r,a){super(e,t,i,i,n,r,a),this.isArcCurve=!0,this.type="ArcCurve"}}function hh(){let e=0,t=0,i=0,n=0;function r(r,a,s,o){e=r,t=s,i=-3*r+3*a-2*s-o,n=2*r-2*a+s+o}return{initCatmullRom:function(e,t,i,n,a){r(t,i,a*(i-e),a*(n-t))},initNonuniformCatmullRom:function(e,t,i,n,a,s,o){let l=(t-e)/a-(i-e)/(a+s)+(i-t)/s,h=(i-t)/s-(n-t)/(s+o)+(n-i)/o;r(t,i,l*=s,h*=s)},calc:function(r){let a=r*r;return e+t*r+i*a+a*r*n}}}let hu=new no,hc=new hh,hd=new hh,hp=new hh;class hf extends hs{constructor(e=[],t=!1,i="centripetal",n=.5){super(),this.isCatmullRomCurve3=!0,this.type="CatmullRomCurve3",this.points=e,this.closed=t,this.curveType=i,this.tension=n}getPoint(e,t=new no){let i,n;let r=this.points,a=r.length,s=(a-(this.closed?0:1))*e,o=Math.floor(s),l=s-o;this.closed?o+=o>0?0:(Math.floor(Math.abs(o)/a)+1)*a:0===l&&o===a-1&&(o=a-2,l=1),this.closed||o>0?i=r[(o-1)%a]:(hu.subVectors(r[0],r[1]).add(r[0]),i=hu);let h=r[o%a],u=r[(o+1)%a];if(this.closed||o+2<a?n=r[(o+2)%a]:(hu.subVectors(r[a-1],r[a-2]).add(r[a-1]),n=hu),"centripetal"===this.curveType||"chordal"===this.curveType){let e="chordal"===this.curveType?.5:.25,t=Math.pow(i.distanceToSquared(h),e),r=Math.pow(h.distanceToSquared(u),e),a=Math.pow(u.distanceToSquared(n),e);r<1e-4&&(r=1),t<1e-4&&(t=r),a<1e-4&&(a=r),hc.initNonuniformCatmullRom(i.x,h.x,u.x,n.x,t,r,a),hd.initNonuniformCatmullRom(i.y,h.y,u.y,n.y,t,r,a),hp.initNonuniformCatmullRom(i.z,h.z,u.z,n.z,t,r,a)}else"catmullrom"===this.curveType&&(hc.initCatmullRom(i.x,h.x,u.x,n.x,this.tension),hd.initCatmullRom(i.y,h.y,u.y,n.y,this.tension),hp.initCatmullRom(i.z,h.z,u.z,n.z,this.tension));return t.set(hc.calc(l),hd.calc(l),hp.calc(l)),t}copy(e){super.copy(e),this.points=[];for(let t=0,i=e.points.length;t<i;t++){let i=e.points[t];this.points.push(i.clone())}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}toJSON(){let e=super.toJSON();e.points=[];for(let t=0,i=this.points.length;t<i;t++){let i=this.points[t];e.points.push(i.toArray())}return e.closed=this.closed,e.curveType=this.curveType,e.tension=this.tension,e}fromJSON(e){super.fromJSON(e),this.points=[];for(let t=0,i=e.points.length;t<i;t++){let i=e.points[t];this.points.push(new no().fromArray(i))}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}}function hm(e,t,i,n,r){let a=(n-t)*.5,s=(r-i)*.5,o=e*e;return e*o*(2*i-2*n+a+s)+(-3*i+3*n-2*a-s)*o+a*e+i}function hg(e,t,i,n){return function(e,t){let i=1-e;return i*i*t}(e,t)+2*(1-e)*e*i+e*e*n}function h_(e,t,i,n,r){return function(e,t){let i=1-e;return i*i*i*t}(e,t)+function(e,t){let i=1-e;return 3*i*i*e*t}(e,i)+3*(1-e)*e*e*n+e*e*e*r}class hv extends hs{constructor(e=new ik,t=new ik,i=new ik,n=new ik){super(),this.isCubicBezierCurve=!0,this.type="CubicBezierCurve",this.v0=e,this.v1=t,this.v2=i,this.v3=n}getPoint(e,t=new ik){let i=this.v0,n=this.v1,r=this.v2,a=this.v3;return t.set(h_(e,i.x,n.x,r.x,a.x),h_(e,i.y,n.y,r.y,a.y)),t}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){let e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}}class hx extends hs{constructor(e=new no,t=new no,i=new no,n=new no){super(),this.isCubicBezierCurve3=!0,this.type="CubicBezierCurve3",this.v0=e,this.v1=t,this.v2=i,this.v3=n}getPoint(e,t=new no){let i=this.v0,n=this.v1,r=this.v2,a=this.v3;return t.set(h_(e,i.x,n.x,r.x,a.x),h_(e,i.y,n.y,r.y,a.y),h_(e,i.z,n.z,r.z,a.z)),t}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){let e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}}class hy extends hs{constructor(e=new ik,t=new ik){super(),this.isLineCurve=!0,this.type="LineCurve",this.v1=e,this.v2=t}getPoint(e,t=new ik){return 1===e?t.copy(this.v2):(t.copy(this.v2).sub(this.v1),t.multiplyScalar(e).add(this.v1)),t}getPointAt(e,t){return this.getPoint(e,t)}getTangent(e,t=new ik){return t.subVectors(this.v2,this.v1).normalize()}getTangentAt(e,t){return this.getTangent(e,t)}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){let e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}class hM extends hs{constructor(e=new no,t=new no){super(),this.isLineCurve3=!0,this.type="LineCurve3",this.v1=e,this.v2=t}getPoint(e,t=new no){return 1===e?t.copy(this.v2):(t.copy(this.v2).sub(this.v1),t.multiplyScalar(e).add(this.v1)),t}getPointAt(e,t){return this.getPoint(e,t)}getTangent(e,t=new no){return t.subVectors(this.v2,this.v1).normalize()}getTangentAt(e,t){return this.getTangent(e,t)}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){let e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}class hS extends hs{constructor(e=new ik,t=new ik,i=new ik){super(),this.isQuadraticBezierCurve=!0,this.type="QuadraticBezierCurve",this.v0=e,this.v1=t,this.v2=i}getPoint(e,t=new ik){let i=this.v0,n=this.v1,r=this.v2;return t.set(hg(e,i.x,n.x,r.x),hg(e,i.y,n.y,r.y)),t}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){let e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}class hb extends hs{constructor(e=new no,t=new no,i=new no){super(),this.isQuadraticBezierCurve3=!0,this.type="QuadraticBezierCurve3",this.v0=e,this.v1=t,this.v2=i}getPoint(e,t=new no){let i=this.v0,n=this.v1,r=this.v2;return t.set(hg(e,i.x,n.x,r.x),hg(e,i.y,n.y,r.y),hg(e,i.z,n.z,r.z)),t}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){let e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}class hT extends hs{constructor(e=[]){super(),this.isSplineCurve=!0,this.type="SplineCurve",this.points=e}getPoint(e,t=new ik){let i=this.points,n=(i.length-1)*e,r=Math.floor(n),a=n-r,s=i[0===r?r:r-1],o=i[r],l=i[r>i.length-2?i.length-1:r+1],h=i[r>i.length-3?i.length-1:r+2];return t.set(hm(a,s.x,o.x,l.x,h.x),hm(a,s.y,o.y,l.y,h.y)),t}copy(e){super.copy(e),this.points=[];for(let t=0,i=e.points.length;t<i;t++){let i=e.points[t];this.points.push(i.clone())}return this}toJSON(){let e=super.toJSON();e.points=[];for(let t=0,i=this.points.length;t<i;t++){let i=this.points[t];e.points.push(i.toArray())}return e}fromJSON(e){super.fromJSON(e),this.points=[];for(let t=0,i=e.points.length;t<i;t++){let i=e.points[t];this.points.push(new ik().fromArray(i))}return this}}var hE=Object.freeze({__proto__:null,ArcCurve:hl,CatmullRomCurve3:hf,CubicBezierCurve:hv,CubicBezierCurve3:hx,EllipseCurve:ho,LineCurve:hy,LineCurve3:hM,QuadraticBezierCurve:hS,QuadraticBezierCurve3:hb,SplineCurve:hT});class hw extends hs{constructor(){super(),this.type="CurvePath",this.curves=[],this.autoClose=!1}add(e){this.curves.push(e)}closePath(){let e=this.curves[0].getPoint(0),t=this.curves[this.curves.length-1].getPoint(1);if(!e.equals(t)){let i=!0===e.isVector2?"LineCurve":"LineCurve3";this.curves.push(new hE[i](t,e))}return this}getPoint(e,t){let i=e*this.getLength(),n=this.getCurveLengths(),r=0;for(;r<n.length;){if(n[r]>=i){let e=n[r]-i,a=this.curves[r],s=a.getLength(),o=0===s?0:1-e/s;return a.getPointAt(o,t)}r++}return null}getLength(){let e=this.getCurveLengths();return e[e.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;let e=[],t=0;for(let i=0,n=this.curves.length;i<n;i++)e.push(t+=this.curves[i].getLength());return this.cacheLengths=e,e}getSpacedPoints(e=40){let t=[];for(let i=0;i<=e;i++)t.push(this.getPoint(i/e));return this.autoClose&&t.push(t[0]),t}getPoints(e=12){let t;let i=[];for(let n=0,r=this.curves;n<r.length;n++){let a=r[n],s=a.isEllipseCurve?2*e:a.isLineCurve||a.isLineCurve3?1:a.isSplineCurve?e*a.points.length:e,o=a.getPoints(s);for(let e=0;e<o.length;e++){let n=o[e];t&&t.equals(n)||(i.push(n),t=n)}}return this.autoClose&&i.length>1&&!i[i.length-1].equals(i[0])&&i.push(i[0]),i}copy(e){super.copy(e),this.curves=[];for(let t=0,i=e.curves.length;t<i;t++){let i=e.curves[t];this.curves.push(i.clone())}return this.autoClose=e.autoClose,this}toJSON(){let e=super.toJSON();e.autoClose=this.autoClose,e.curves=[];for(let t=0,i=this.curves.length;t<i;t++){let i=this.curves[t];e.curves.push(i.toJSON())}return e}fromJSON(e){super.fromJSON(e),this.autoClose=e.autoClose,this.curves=[];for(let t=0,i=e.curves.length;t<i;t++){let i=e.curves[t];this.curves.push(new hE[i.type]().fromJSON(i))}return this}}class hA extends hw{constructor(e){super(),this.type="Path",this.currentPoint=new ik,e&&this.setFromPoints(e)}setFromPoints(e){this.moveTo(e[0].x,e[0].y);for(let t=1,i=e.length;t<i;t++)this.lineTo(e[t].x,e[t].y);return this}moveTo(e,t){return this.currentPoint.set(e,t),this}lineTo(e,t){let i=new hy(this.currentPoint.clone(),new ik(e,t));return this.curves.push(i),this.currentPoint.set(e,t),this}quadraticCurveTo(e,t,i,n){let r=new hS(this.currentPoint.clone(),new ik(e,t),new ik(i,n));return this.curves.push(r),this.currentPoint.set(i,n),this}bezierCurveTo(e,t,i,n,r,a){let s=new hv(this.currentPoint.clone(),new ik(e,t),new ik(i,n),new ik(r,a));return this.curves.push(s),this.currentPoint.set(r,a),this}splineThru(e){let t=new hT([this.currentPoint.clone()].concat(e));return this.curves.push(t),this.currentPoint.copy(e[e.length-1]),this}arc(e,t,i,n,r,a){let s=this.currentPoint.x,o=this.currentPoint.y;return this.absarc(e+s,t+o,i,n,r,a),this}absarc(e,t,i,n,r,a){return this.absellipse(e,t,i,i,n,r,a),this}ellipse(e,t,i,n,r,a,s,o){let l=this.currentPoint.x,h=this.currentPoint.y;return this.absellipse(e+l,t+h,i,n,r,a,s,o),this}absellipse(e,t,i,n,r,a,s,o){let l=new ho(e,t,i,n,r,a,s,o);if(this.curves.length>0){let e=l.getPoint(0);e.equals(this.currentPoint)||this.lineTo(e.x,e.y)}this.curves.push(l);let h=l.getPoint(1);return this.currentPoint.copy(h),this}copy(e){return super.copy(e),this.currentPoint.copy(e.currentPoint),this}toJSON(){let e=super.toJSON();return e.currentPoint=this.currentPoint.toArray(),e}fromJSON(e){return super.fromJSON(e),this.currentPoint.fromArray(e.currentPoint),this}}class hC extends rW{constructor(e=[new ik(0,-.5),new ik(.5,0),new ik(0,.5)],t=12,i=0,n=2*Math.PI){super(),this.type="LatheGeometry",this.parameters={points:e,segments:t,phiStart:i,phiLength:n},t=Math.floor(t),n=iN(n,0,2*Math.PI);let r=[],a=[],s=[],o=[],l=[],h=1/t,u=new no,c=new ik,d=new no,p=new no,f=new no,m=0,g=0;for(let t=0;t<=e.length-1;t++)switch(t){case 0:m=e[t+1].x-e[t].x,g=e[t+1].y-e[t].y,d.x=1*g,d.y=-m,d.z=0*g,f.copy(d),d.normalize(),o.push(d.x,d.y,d.z);break;case e.length-1:o.push(f.x,f.y,f.z);break;default:m=e[t+1].x-e[t].x,g=e[t+1].y-e[t].y,d.x=1*g,d.y=-m,d.z=0*g,p.copy(d),d.x+=f.x,d.y+=f.y,d.z+=f.z,d.normalize(),o.push(d.x,d.y,d.z),f.copy(p)}for(let r=0;r<=t;r++){let d=i+r*h*n,p=Math.sin(d),f=Math.cos(d);for(let i=0;i<=e.length-1;i++){u.x=e[i].x*p,u.y=e[i].y,u.z=e[i].x*f,a.push(u.x,u.y,u.z),c.x=r/t,c.y=i/(e.length-1),s.push(c.x,c.y);let n=o[3*i+0]*p,h=o[3*i+1],d=o[3*i+0]*f;l.push(n,h,d)}}for(let i=0;i<t;i++)for(let t=0;t<e.length-1;t++){let n=t+i*e.length,a=n+e.length,s=n+e.length+1,o=n+1;r.push(n,a,o),r.push(s,o,a)}this.setIndex(r),this.setAttribute("position",new rO(a,3)),this.setAttribute("uv",new rO(s,2)),this.setAttribute("normal",new rO(l,3))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new hC(e.points,e.segments,e.phiStart,e.phiLength)}}class hR extends hC{constructor(e=1,t=1,i=4,n=8){let r=new hA;r.absarc(0,-t/2,e,1.5*Math.PI,0),r.absarc(0,t/2,e,0,.5*Math.PI),super(r.getPoints(i),n),this.type="CapsuleGeometry",this.parameters={radius:e,length:t,capSegments:i,radialSegments:n}}static fromJSON(e){return new hR(e.radius,e.length,e.capSegments,e.radialSegments)}}class hP extends rW{constructor(e=1,t=32,i=0,n=2*Math.PI){super(),this.type="CircleGeometry",this.parameters={radius:e,segments:t,thetaStart:i,thetaLength:n},t=Math.max(3,t);let r=[],a=[],s=[],o=[],l=new no,h=new ik;a.push(0,0,0),s.push(0,0,1),o.push(.5,.5);for(let r=0,u=3;r<=t;r++,u+=3){let c=i+r/t*n;l.x=e*Math.cos(c),l.y=e*Math.sin(c),a.push(l.x,l.y,l.z),s.push(0,0,1),h.x=(a[u]/e+1)/2,h.y=(a[u+1]/e+1)/2,o.push(h.x,h.y)}for(let e=1;e<=t;e++)r.push(e,e+1,0);this.setIndex(r),this.setAttribute("position",new rO(a,3)),this.setAttribute("normal",new rO(s,3)),this.setAttribute("uv",new rO(o,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new hP(e.radius,e.segments,e.thetaStart,e.thetaLength)}}class hL extends rW{constructor(e=1,t=1,i=1,n=32,r=1,a=!1,s=0,o=2*Math.PI){super(),this.type="CylinderGeometry",this.parameters={radiusTop:e,radiusBottom:t,height:i,radialSegments:n,heightSegments:r,openEnded:a,thetaStart:s,thetaLength:o};let l=this;n=Math.floor(n),r=Math.floor(r);let h=[],u=[],c=[],d=[],p=0,f=[],m=i/2,g=0;function _(i){let r=p,a=new ik,f=new no,_=0,v=!0===i?e:t,x=!0===i?1:-1;for(let e=1;e<=n;e++)u.push(0,m*x,0),c.push(0,x,0),d.push(.5,.5),p++;let y=p;for(let e=0;e<=n;e++){let t=e/n*o+s,i=Math.cos(t),r=Math.sin(t);f.x=v*r,f.y=m*x,f.z=v*i,u.push(f.x,f.y,f.z),c.push(0,x,0),a.x=.5*i+.5,a.y=.5*r*x+.5,d.push(a.x,a.y),p++}for(let e=0;e<n;e++){let t=r+e,n=y+e;!0===i?h.push(n,n+1,t):h.push(n+1,n,t),_+=3}l.addGroup(g,_,!0===i?1:2),g+=_}(function(){let a=new no,_=new no,v=0,x=(t-e)/i;for(let l=0;l<=r;l++){let h=[],g=l/r,v=g*(t-e)+e;for(let e=0;e<=n;e++){let t=e/n,r=t*o+s,l=Math.sin(r),f=Math.cos(r);_.x=v*l,_.y=-g*i+m,_.z=v*f,u.push(_.x,_.y,_.z),a.set(l,x,f).normalize(),c.push(a.x,a.y,a.z),d.push(t,1-g),h.push(p++)}f.push(h)}for(let e=0;e<n;e++)for(let t=0;t<r;t++){let i=f[t][e],n=f[t+1][e],r=f[t+1][e+1],a=f[t][e+1];h.push(i,n,a),h.push(n,r,a),v+=6}l.addGroup(g,v,0),g+=v})(),!1===a&&(e>0&&_(!0),t>0&&_(!1)),this.setIndex(h),this.setAttribute("position",new rO(u,3)),this.setAttribute("normal",new rO(c,3)),this.setAttribute("uv",new rO(d,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new hL(e.radiusTop,e.radiusBottom,e.height,e.radialSegments,e.heightSegments,e.openEnded,e.thetaStart,e.thetaLength)}}class hI extends hL{constructor(e=1,t=1,i=32,n=1,r=!1,a=0,s=2*Math.PI){super(0,e,t,i,n,r,a,s),this.type="ConeGeometry",this.parameters={radius:e,height:t,radialSegments:i,heightSegments:n,openEnded:r,thetaStart:a,thetaLength:s}}static fromJSON(e){return new hI(e.radius,e.height,e.radialSegments,e.heightSegments,e.openEnded,e.thetaStart,e.thetaLength)}}class hU extends rW{constructor(e=[],t=[],i=1,n=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:e,indices:t,radius:i,detail:n};let r=[],a=[];function s(e){r.push(e.x,e.y,e.z)}function o(t,i){let n=3*t;i.x=e[n+0],i.y=e[n+1],i.z=e[n+2]}function l(e,t,i,n){n<0&&1===e.x&&(a[t]=e.x-1),0===i.x&&0===i.z&&(a[t]=n/2/Math.PI+.5)}function h(e){return Math.atan2(e.z,-e.x)}(function(e){let i=new no,n=new no,r=new no;for(let a=0;a<t.length;a+=3)o(t[a+0],i),o(t[a+1],n),o(t[a+2],r),function(e,t,i,n){let r=n+1,a=[];for(let n=0;n<=r;n++){a[n]=[];let s=e.clone().lerp(i,n/r),o=t.clone().lerp(i,n/r),l=r-n;for(let e=0;e<=l;e++)0===e&&n===r?a[n][e]=s:a[n][e]=s.clone().lerp(o,e/l)}for(let e=0;e<r;e++)for(let t=0;t<2*(r-e)-1;t++){let i=Math.floor(t/2);t%2==0?(s(a[e][i+1]),s(a[e+1][i]),s(a[e][i])):(s(a[e][i+1]),s(a[e+1][i+1]),s(a[e+1][i]))}}(i,n,r,e)})(n),function(e){let t=new no;for(let i=0;i<r.length;i+=3)t.x=r[i+0],t.y=r[i+1],t.z=r[i+2],t.normalize().multiplyScalar(e),r[i+0]=t.x,r[i+1]=t.y,r[i+2]=t.z}(i),function(){let e=new no;for(let t=0;t<r.length;t+=3){e.x=r[t+0],e.y=r[t+1],e.z=r[t+2];let i=h(e)/2/Math.PI+.5,n=Math.atan2(-e.y,Math.sqrt(e.x*e.x+e.z*e.z))/Math.PI+.5;a.push(i,1-n)}(function(){let e=new no,t=new no,i=new no,n=new no,s=new ik,o=new ik,u=new ik;for(let c=0,d=0;c<r.length;c+=9,d+=6){e.set(r[c+0],r[c+1],r[c+2]),t.set(r[c+3],r[c+4],r[c+5]),i.set(r[c+6],r[c+7],r[c+8]),s.set(a[d+0],a[d+1]),o.set(a[d+2],a[d+3]),u.set(a[d+4],a[d+5]),n.copy(e).add(t).add(i).divideScalar(3);let p=h(n);l(s,d+0,e,p),l(o,d+2,t,p),l(u,d+4,i,p)}})(),function(){for(let e=0;e<a.length;e+=6){let t=a[e+0],i=a[e+2],n=a[e+4],r=Math.max(t,i,n),s=Math.min(t,i,n);r>.9&&s<.1&&(t<.2&&(a[e+0]+=1),i<.2&&(a[e+2]+=1),n<.2&&(a[e+4]+=1))}}()}(),this.setAttribute("position",new rO(r,3)),this.setAttribute("normal",new rO(r.slice(),3)),this.setAttribute("uv",new rO(a,2)),0===n?this.computeVertexNormals():this.normalizeNormals()}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new hU(e.vertices,e.indices,e.radius,e.details)}}class hN extends hU{constructor(e=1,t=0){let i=(1+Math.sqrt(5))/2,n=1/i;super([-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,-n,-i,0,-n,i,0,n,-i,0,n,i,-n,-i,0,-n,i,0,n,-i,0,n,i,0,-i,0,-n,i,0,-n,-i,0,n,i,0,n],[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="DodecahedronGeometry",this.parameters={radius:e,detail:t}}static fromJSON(e){return new hN(e.radius,e.detail)}}let hD=new no,hO=new no,hF=new no,hB=new rc;class hz extends 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rW{constructor(e=new hk([new ik(.5,.5),new ik(-.5,.5),new ik(-.5,-.5),new ik(.5,-.5)]),t={}){super(),this.type="ExtrudeGeometry",this.parameters={shapes:e,options:t},e=Array.isArray(e)?e:[e];let i=this,n=[],r=[];for(let a=0,s=e.length;a<s;a++)!function(e){let a,s,o,l;let h=[],u=void 0!==t.curveSegments?t.curveSegments:12,c=void 0!==t.steps?t.steps:1,d=void 0!==t.depth?t.depth:1,p=void 0===t.bevelEnabled||t.bevelEnabled,f=void 0!==t.bevelThickness?t.bevelThickness:.2,m=void 0!==t.bevelSize?t.bevelSize:f-.1,g=void 0!==t.bevelOffset?t.bevelOffset:0,_=void 0!==t.bevelSegments?t.bevelSegments:3,v=t.extrudePath,x=void 0!==t.UVGenerator?t.UVGenerator:h8,y,M=!1;v&&(y=v.getSpacedPoints(c),M=!0,p=!1,a=v.computeFrenetFrames(c,!1),s=new no,o=new no,l=new no),p||(_=0,f=0,m=0,g=0);let S=e.extractPoints(u),b=S.shape,T=S.holes;if(!h3.isClockWise(b)){b=b.reverse();for(let e=0,t=T.length;e<t;e++){let t=T[e];h3.isClockWise(t)&&(T[e]=t.reverse())}}let E=h3.triangulateShape(b,T),w=b;for(let e=0,t=T.length;e<t;e++){let t=T[e];b=b.concat(t)}function A(e,t,i){return t||console.error("THREE.ExtrudeGeometry: vec does not exist"),e.clone().addScaledVector(t,i)}let C=b.length,R=E.length;function P(e,t,i){let n,r,a;let s=e.x-t.x,o=e.y-t.y,l=i.x-e.x,h=i.y-e.y,u=s*s+o*o;if(Math.abs(s*h-o*l)>Number.EPSILON){let c=Math.sqrt(u),d=Math.sqrt(l*l+h*h),p=t.x-o/c,f=t.y+s/c,m=((i.x-h/d-p)*h-(i.y+l/d-f)*l)/(s*h-o*l),g=(n=p+s*m-e.x)*n+(r=f+o*m-e.y)*r;if(g<=2)return new ik(n,r);a=Math.sqrt(g/2)}else{let e=!1;s>Number.EPSILON?l>Number.EPSILON&&(e=!0):s<-Number.EPSILON?l<-Number.EPSILON&&(e=!0):Math.sign(o)===Math.sign(h)&&(e=!0),e?(n=-o,r=s,a=Math.sqrt(u)):(n=s,r=o,a=Math.sqrt(u/2))}return new ik(n/a,r/a)}let L=[];for(let e=0,t=w.length,i=t-1,n=e+1;e<t;e++,i++,n++)i===t&&(i=0),n===t&&(n=0),L[e]=P(w[e],w[i],w[n]);let I=[],U,N=L.concat();for(let e=0,t=T.length;e<t;e++){let t=T[e];U=[];for(let e=0,i=t.length,n=i-1,r=e+1;e<i;e++,n++,r++)n===i&&(n=0),r===i&&(r=0),U[e]=P(t[e],t[n],t[r]);I.push(U),N=N.concat(U)}for(let e=0;e<_;e++){let t=e/_,i=f*Math.cos(t*Math.PI/2),n=m*Math.sin(t*Math.PI/2)+g;for(let e=0,t=w.length;e<t;e++){let t=A(w[e],L[e],n);F(t.x,t.y,-i)}for(let e=0,t=T.length;e<t;e++){let t=T[e];U=I[e];for(let e=0,r=t.length;e<r;e++){let r=A(t[e],U[e],n);F(r.x,r.y,-i)}}}let D=m+g;for(let e=0;e<C;e++){let t=p?A(b[e],N[e],D):b[e];M?(o.copy(a.normals[0]).multiplyScalar(t.x),s.copy(a.binormals[0]).multiplyScalar(t.y),l.copy(y[0]).add(o).add(s),F(l.x,l.y,l.z)):F(t.x,t.y,0)}for(let e=1;e<=c;e++)for(let t=0;t<C;t++){let i=p?A(b[t],N[t],D):b[t];M?(o.copy(a.normals[e]).multiplyScalar(i.x),s.copy(a.binormals[e]).multiplyScalar(i.y),l.copy(y[e]).add(o).add(s),F(l.x,l.y,l.z)):F(i.x,i.y,d/c*e)}for(let e=_-1;e>=0;e--){let t=e/_,i=f*Math.cos(t*Math.PI/2),n=m*Math.sin(t*Math.PI/2)+g;for(let e=0,t=w.length;e<t;e++){let t=A(w[e],L[e],n);F(t.x,t.y,d+i)}for(let e=0,t=T.length;e<t;e++){let t=T[e];U=I[e];for(let e=0,r=t.length;e<r;e++){let r=A(t[e],U[e],n);M?F(r.x,r.y+y[c-1].y,y[c-1].x+i):F(r.x,r.y,d+i)}}}function O(e,t){let r=e.length;for(;--r>=0;){let a=r,s=r-1;s<0&&(s=e.length-1);for(let e=0,r=c+2*_;e<r;e++){let r=C*e,o=C*(e+1);!function(e,t,r,a){z(e),z(t),z(a),z(t),z(r),z(a);let s=n.length/3,o=x.generateSideWallUV(i,n,s-6,s-3,s-2,s-1);k(o[0]),k(o[1]),k(o[3]),k(o[1]),k(o[2]),k(o[3])}(t+a+r,t+s+r,t+s+o,t+a+o)}}}function F(e,t,i){h.push(e),h.push(t),h.push(i)}function B(e,t,r){z(e),z(t),z(r);let a=n.length/3,s=x.generateTopUV(i,n,a-3,a-2,a-1);k(s[0]),k(s[1]),k(s[2])}function z(e){n.push(h[3*e+0]),n.push(h[3*e+1]),n.push(h[3*e+2])}function k(e){r.push(e.x),r.push(e.y)}(function(){let e=n.length/3;if(p){let e=0*C;for(let t=0;t<R;t++){let i=E[t];B(i[2]+e,i[1]+e,i[0]+e)}e=C*(c+2*_);for(let t=0;t<R;t++){let i=E[t];B(i[0]+e,i[1]+e,i[2]+e)}}else{for(let e=0;e<R;e++){let t=E[e];B(t[2],t[1],t[0])}for(let e=0;e<R;e++){let t=E[e];B(t[0]+C*c,t[1]+C*c,t[2]+C*c)}}i.addGroup(e,n.length/3-e,0)})(),function(){let e=n.length/3,t=0;O(w,0),t+=w.length;for(let e=0,i=T.length;e<i;e++){let i=T[e];O(i,t),t+=i.length}i.addGroup(e,n.length/3-e,1)}()}(e[a]);this.setAttribute("position",new rO(n,3)),this.setAttribute("uv",new rO(r,2)),this.computeVertexNormals()}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}toJSON(){let e=super.toJSON();return function(e,t,i){if(i.shapes=[],Array.isArray(e))for(let t=0,n=e.length;t<n;t++){let n=e[t];i.shapes.push(n.uuid)}else i.shapes.push(e.uuid);return i.options=Object.assign({},t),void 0!==t.extrudePath&&(i.options.extrudePath=t.extrudePath.toJSON()),i}(this.parameters.shapes,this.parameters.options,e)}static fromJSON(e,t){let i=[];for(let n=0,r=e.shapes.length;n<r;n++){let r=t[e.shapes[n]];i.push(r)}let n=e.options.extrudePath;return void 0!==n&&(e.options.extrudePath=new hE[n.type]().fromJSON(n)),new h6(i,e.options)}}let h8={generateTopUV:function(e,t,i,n,r){let a=t[3*i],s=t[3*i+1],o=t[3*n],l=t[3*n+1],h=t[3*r],u=t[3*r+1];return[new ik(a,s),new ik(o,l),new ik(h,u)]},generateSideWallUV:function(e,t,i,n,r,a){let s=t[3*i],o=t[3*i+1],l=t[3*i+2],h=t[3*n],u=t[3*n+1],c=t[3*n+2],d=t[3*r],p=t[3*r+1],f=t[3*r+2],m=t[3*a],g=t[3*a+1],_=t[3*a+2];return Math.abs(o-u)<Math.abs(s-h)?[new ik(s,1-l),new ik(h,1-c),new ik(d,1-f),new ik(m,1-_)]:[new ik(o,1-l),new ik(u,1-c),new ik(p,1-f),new ik(g,1-_)]}};class h9 extends hU{constructor(e=1,t=0){let i=(1+Math.sqrt(5))/2;super([-1,i,0,1,i,0,-1,-i,0,1,-i,0,0,-1,i,0,1,i,0,-1,-i,0,1,-i,i,0,-1,i,0,1,-i,0,-1,-i,0,1],[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="IcosahedronGeometry",this.parameters={radius:e,detail:t}}static fromJSON(e){return new h9(e.radius,e.detail)}}class h7 extends hU{constructor(e=1,t=0){super([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="OctahedronGeometry",this.parameters={radius:e,detail:t}}static fromJSON(e){return new h7(e.radius,e.detail)}}class ue extends rW{constructor(e=.5,t=1,i=32,n=1,r=0,a=2*Math.PI){super(),this.type="RingGeometry",this.parameters={innerRadius:e,outerRadius:t,thetaSegments:i,phiSegments:n,thetaStart:r,thetaLength:a},i=Math.max(3,i);let s=[],o=[],l=[],h=[],u=e,c=(t-e)/(n=Math.max(1,n)),d=new no,p=new ik;for(let e=0;e<=n;e++){for(let e=0;e<=i;e++){let n=r+e/i*a;d.x=u*Math.cos(n),d.y=u*Math.sin(n),o.push(d.x,d.y,d.z),l.push(0,0,1),p.x=(d.x/t+1)/2,p.y=(d.y/t+1)/2,h.push(p.x,p.y)}u+=c}for(let e=0;e<n;e++){let t=e*(i+1);for(let e=0;e<i;e++){let n=e+t,r=n+i+1,a=n+i+2,o=n+1;s.push(n,r,o),s.push(r,a,o)}}this.setIndex(s),this.setAttribute("position",new rO(o,3)),this.setAttribute("normal",new rO(l,3)),this.setAttribute("uv",new rO(h,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new ue(e.innerRadius,e.outerRadius,e.thetaSegments,e.phiSegments,e.thetaStart,e.thetaLength)}}class ut extends rW{constructor(e=new hk([new ik(0,.5),new ik(-.5,-.5),new ik(.5,-.5)]),t=12){super(),this.type="ShapeGeometry",this.parameters={shapes:e,curveSegments:t};let i=[],n=[],r=[],a=[],s=0,o=0;if(!1===Array.isArray(e))l(e);else for(let t=0;t<e.length;t++)l(e[t]),this.addGroup(s,o,t),s+=o,o=0;function l(e){let s=n.length/3,l=e.extractPoints(t),h=l.shape,u=l.holes;!1===h3.isClockWise(h)&&(h=h.reverse());for(let e=0,t=u.length;e<t;e++){let t=u[e];!0===h3.isClockWise(t)&&(u[e]=t.reverse())}let c=h3.triangulateShape(h,u);for(let e=0,t=u.length;e<t;e++){let t=u[e];h=h.concat(t)}for(let e=0,t=h.length;e<t;e++){let t=h[e];n.push(t.x,t.y,0),r.push(0,0,1),a.push(t.x,t.y)}for(let e=0,t=c.length;e<t;e++){let t=c[e],n=t[0]+s,r=t[1]+s,a=t[2]+s;i.push(n,r,a),o+=3}}this.setIndex(i),this.setAttribute("position",new rO(n,3)),this.setAttribute("normal",new rO(r,3)),this.setAttribute("uv",new rO(a,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}toJSON(){let e=super.toJSON();return function(e,t){if(t.shapes=[],Array.isArray(e))for(let i=0,n=e.length;i<n;i++){let n=e[i];t.shapes.push(n.uuid)}else t.shapes.push(e.uuid);return t}(this.parameters.shapes,e)}static fromJSON(e,t){let i=[];for(let n=0,r=e.shapes.length;n<r;n++){let r=t[e.shapes[n]];i.push(r)}return new ut(i,e.curveSegments)}}class ui extends rW{constructor(e=1,t=32,i=16,n=0,r=2*Math.PI,a=0,s=Math.PI){super(),this.type="SphereGeometry",this.parameters={radius:e,widthSegments:t,heightSegments:i,phiStart:n,phiLength:r,thetaStart:a,thetaLength:s},t=Math.max(3,Math.floor(t)),i=Math.max(2,Math.floor(i));let o=Math.min(a+s,Math.PI),l=0,h=[],u=new no,c=new no,d=[],p=[],f=[],m=[];for(let d=0;d<=i;d++){let g=[],_=d/i,v=0;0===d&&0===a?v=.5/t:d===i&&o===Math.PI&&(v=-.5/t);for(let i=0;i<=t;i++){let o=i/t;u.x=-e*Math.cos(n+o*r)*Math.sin(a+_*s),u.y=e*Math.cos(a+_*s),u.z=e*Math.sin(n+o*r)*Math.sin(a+_*s),p.push(u.x,u.y,u.z),c.copy(u).normalize(),f.push(c.x,c.y,c.z),m.push(o+v,1-_),g.push(l++)}h.push(g)}for(let e=0;e<i;e++)for(let n=0;n<t;n++){let t=h[e][n+1],r=h[e][n],s=h[e+1][n],l=h[e+1][n+1];(0!==e||a>0)&&d.push(t,r,l),(e!==i-1||o<Math.PI)&&d.push(r,s,l)}this.setIndex(d),this.setAttribute("position",new rO(p,3)),this.setAttribute("normal",new rO(f,3)),this.setAttribute("uv",new rO(m,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new ui(e.radius,e.widthSegments,e.heightSegments,e.phiStart,e.phiLength,e.thetaStart,e.thetaLength)}}class un extends hU{constructor(e=1,t=0){super([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="TetrahedronGeometry",this.parameters={radius:e,detail:t}}static fromJSON(e){return new un(e.radius,e.detail)}}class ur extends rW{constructor(e=1,t=.4,i=12,n=48,r=2*Math.PI){super(),this.type="TorusGeometry",this.parameters={radius:e,tube:t,radialSegments:i,tubularSegments:n,arc:r},i=Math.floor(i),n=Math.floor(n);let a=[],s=[],o=[],l=[],h=new no,u=new no,c=new no;for(let a=0;a<=i;a++)for(let d=0;d<=n;d++){let p=d/n*r,f=a/i*Math.PI*2;u.x=(e+t*Math.cos(f))*Math.cos(p),u.y=(e+t*Math.cos(f))*Math.sin(p),u.z=t*Math.sin(f),s.push(u.x,u.y,u.z),h.x=e*Math.cos(p),h.y=e*Math.sin(p),c.subVectors(u,h).normalize(),o.push(c.x,c.y,c.z),l.push(d/n),l.push(a/i)}for(let e=1;e<=i;e++)for(let t=1;t<=n;t++){let i=(n+1)*e+t-1,r=(n+1)*(e-1)+t-1,s=(n+1)*(e-1)+t,o=(n+1)*e+t;a.push(i,r,o),a.push(r,s,o)}this.setIndex(a),this.setAttribute("position",new rO(s,3)),this.setAttribute("normal",new rO(o,3)),this.setAttribute("uv",new rO(l,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new ur(e.radius,e.tube,e.radialSegments,e.tubularSegments,e.arc)}}class ua extends rW{constructor(e=1,t=.4,i=64,n=8,r=2,a=3){super(),this.type="TorusKnotGeometry",this.parameters={radius:e,tube:t,tubularSegments:i,radialSegments:n,p:r,q:a},i=Math.floor(i),n=Math.floor(n);let s=[],o=[],l=[],h=[],u=new no,c=new no,d=new no,p=new no,f=new no,m=new no,g=new no;for(let s=0;s<=i;++s){let v=s/i*r*Math.PI*2;_(v,r,a,e,d),_(v+.01,r,a,e,p),m.subVectors(p,d),g.addVectors(p,d),f.crossVectors(m,g),g.crossVectors(f,m),f.normalize(),g.normalize();for(let e=0;e<=n;++e){let r=e/n*Math.PI*2,a=-t*Math.cos(r),p=t*Math.sin(r);u.x=d.x+(a*g.x+p*f.x),u.y=d.y+(a*g.y+p*f.y),u.z=d.z+(a*g.z+p*f.z),o.push(u.x,u.y,u.z),c.subVectors(u,d).normalize(),l.push(c.x,c.y,c.z),h.push(s/i),h.push(e/n)}}for(let e=1;e<=i;e++)for(let t=1;t<=n;t++){let i=(n+1)*(e-1)+(t-1),r=(n+1)*e+(t-1),a=(n+1)*e+t,o=(n+1)*(e-1)+t;s.push(i,r,o),s.push(r,a,o)}function _(e,t,i,n,r){let a=i/t*e,s=Math.cos(a);r.x=n*(2+s)*.5*Math.cos(e),r.y=n*(2+s)*Math.sin(e)*.5,r.z=n*Math.sin(a)*.5}this.setIndex(s),this.setAttribute("position",new rO(o,3)),this.setAttribute("normal",new rO(l,3)),this.setAttribute("uv",new rO(h,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new ua(e.radius,e.tube,e.tubularSegments,e.radialSegments,e.p,e.q)}}class us extends rW{constructor(e=new hb(new no(-1,-1,0),new no(-1,1,0),new no(1,1,0)),t=64,i=1,n=8,r=!1){super(),this.type="TubeGeometry",this.parameters={path:e,tubularSegments:t,radius:i,radialSegments:n,closed:r};let a=e.computeFrenetFrames(t,r);this.tangents=a.tangents,this.normals=a.normals,this.binormals=a.binormals;let s=new no,o=new no,l=new ik,h=new no,u=[],c=[],d=[],p=[];function f(r){h=e.getPointAt(r/t,h);let l=a.normals[r],d=a.binormals[r];for(let e=0;e<=n;e++){let t=e/n*Math.PI*2,r=Math.sin(t),a=-Math.cos(t);o.x=a*l.x+r*d.x,o.y=a*l.y+r*d.y,o.z=a*l.z+r*d.z,o.normalize(),c.push(o.x,o.y,o.z),s.x=h.x+i*o.x,s.y=h.y+i*o.y,s.z=h.z+i*o.z,u.push(s.x,s.y,s.z)}}(function(){for(let e=0;e<t;e++)f(e);f(!1===r?t:0),function(){for(let e=0;e<=t;e++)for(let i=0;i<=n;i++)l.x=e/t,l.y=i/n,d.push(l.x,l.y)}(),function(){for(let e=1;e<=t;e++)for(let t=1;t<=n;t++){let i=(n+1)*(e-1)+(t-1),r=(n+1)*e+(t-1),a=(n+1)*e+t,s=(n+1)*(e-1)+t;p.push(i,r,s),p.push(r,a,s)}}()})(),this.setIndex(p),this.setAttribute("position",new rO(u,3)),this.setAttribute("normal",new rO(c,3)),this.setAttribute("uv",new rO(d,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}toJSON(){let e=super.toJSON();return e.path=this.parameters.path.toJSON(),e}static fromJSON(e){return new us(new hE[e.path.type]().fromJSON(e.path),e.tubularSegments,e.radius,e.radialSegments,e.closed)}}class uo extends rW{constructor(e=null){if(super(),this.type="WireframeGeometry",this.parameters={geometry:e},null!==e){let t=[],i=new Set,n=new no,r=new no;if(null!==e.index){let a=e.attributes.position,s=e.index,o=e.groups;0===o.length&&(o=[{start:0,count:s.count,materialIndex:0}]);for(let e=0,l=o.length;e<l;++e){let l=o[e],h=l.start,u=l.count;for(let e=h,o=h+u;e<o;e+=3)for(let o=0;o<3;o++){let l=s.getX(e+o),h=s.getX(e+(o+1)%3);n.fromBufferAttribute(a,l),r.fromBufferAttribute(a,h),!0===ul(n,r,i)&&(t.push(n.x,n.y,n.z),t.push(r.x,r.y,r.z))}}}else{let a=e.attributes.position;for(let e=0,s=a.count/3;e<s;e++)for(let s=0;s<3;s++){let o=3*e+s,l=3*e+(s+1)%3;n.fromBufferAttribute(a,o),r.fromBufferAttribute(a,l),!0===ul(n,r,i)&&(t.push(n.x,n.y,n.z),t.push(r.x,r.y,r.z))}}this.setAttribute("position",new rO(t,3))}}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}}function ul(e,t,i){let n=`${e.x},${e.y},${e.z}-${t.x},${t.y},${t.z}`,r=`${t.x},${t.y},${t.z}-${e.x},${e.y},${e.z}`;return!0!==i.has(n)&&!0!==i.has(r)&&(i.add(n),i.add(r),!0)}var uh=Object.freeze({__proto__:null,BoxGeometry:ae,CapsuleGeometry:hR,CircleGeometry:hP,ConeGeometry:hI,CylinderGeometry:hL,DodecahedronGeometry:hN,EdgesGeometry:hz,ExtrudeGeometry:h6,IcosahedronGeometry:h9,LatheGeometry:hC,OctahedronGeometry:h7,PlaneGeometry:ab,PolyhedronGeometry:hU,RingGeometry:ue,ShapeGeometry:ut,SphereGeometry:ui,TetrahedronGeometry:un,TorusGeometry:ur,TorusKnotGeometry:ua,TubeGeometry:us,WireframeGeometry:uo});class uu extends rx{constructor(e){super(),this.isShadowMaterial=!0,this.type="ShadowMaterial",this.color=new rg(0),this.transparent=!0,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.fog=e.fog,this}}class uc extends aa{constructor(e){super(e),this.isRawShaderMaterial=!0,this.type="RawShaderMaterial"}}class ud extends rx{constructor(e){super(),this.isMeshStandardMaterial=!0,this.defines={STANDARD:""},this.type="MeshStandardMaterial",this.color=new rg(16777215),this.roughness=1,this.metalness=0,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new rg(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=tH,this.normalScale=new ik(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new nq,this.envMapIntensity=1,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(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.envMapRotation.copy(e.envMapRotation),this.envMapIntensity=e.envMapIntensity,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this.fog=e.fog,this}}class up extends ud{constructor(e){super(),this.isMeshPhysicalMaterial=!0,this.defines={STANDARD:"",PHYSICAL:""},this.type="MeshPhysicalMaterial",this.anisotropyRotation=0,this.anisotropyMap=null,this.clearcoatMap=null,this.clearcoatRoughness=0,this.clearcoatRoughnessMap=null,this.clearcoatNormalScale=new ik(1,1),this.clearcoatNormalMap=null,this.ior=1.5,Object.defineProperty(this,"reflectivity",{get:function(){return iN(2.5*(this.ior-1)/(this.ior+1),0,1)},set:function(e){this.ior=(1+.4*e)/(1-.4*e)}}),this.iridescenceMap=null,this.iridescenceIOR=1.3,this.iridescenceThicknessRange=[100,400],this.iridescenceThicknessMap=null,this.sheenColor=new rg(0),this.sheenColorMap=null,this.sheenRoughness=1,this.sheenRoughnessMap=null,this.transmissionMap=null,this.thickness=0,this.thicknessMap=null,this.attenuationDistance=1/0,this.attenuationColor=new rg(1,1,1),this.specularIntensity=1,this.specularIntensityMap=null,this.specularColor=new rg(1,1,1),this.specularColorMap=null,this._anisotropy=0,this._clearcoat=0,this._dispersion=0,this._iridescence=0,this._sheen=0,this._transmission=0,this.setValues(e)}get anisotropy(){return this._anisotropy}set anisotropy(e){this._anisotropy>0!=e>0&&this.version++,this._anisotropy=e}get clearcoat(){return this._clearcoat}set clearcoat(e){this._clearcoat>0!=e>0&&this.version++,this._clearcoat=e}get iridescence(){return this._iridescence}set iridescence(e){this._iridescence>0!=e>0&&this.version++,this._iridescence=e}get dispersion(){return this._dispersion}set dispersion(e){this._dispersion>0!=e>0&&this.version++,this._dispersion=e}get sheen(){return this._sheen}set sheen(e){this._sheen>0!=e>0&&this.version++,this._sheen=e}get transmission(){return this._transmission}set transmission(e){this._transmission>0!=e>0&&this.version++,this._transmission=e}copy(e){return super.copy(e),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=e.anisotropy,this.anisotropyRotation=e.anisotropyRotation,this.anisotropyMap=e.anisotropyMap,this.clearcoat=e.clearcoat,this.clearcoatMap=e.clearcoatMap,this.clearcoatRoughness=e.clearcoatRoughness,this.clearcoatRoughnessMap=e.clearcoatRoughnessMap,this.clearcoatNormalMap=e.clearcoatNormalMap,this.clearcoatNormalScale.copy(e.clearcoatNormalScale),this.dispersion=e.dispersion,this.ior=e.ior,this.iridescence=e.iridescence,this.iridescenceMap=e.iridescenceMap,this.iridescenceIOR=e.iridescenceIOR,this.iridescenceThicknessRange=[...e.iridescenceThicknessRange],this.iridescenceThicknessMap=e.iridescenceThicknessMap,this.sheen=e.sheen,this.sheenColor.copy(e.sheenColor),this.sheenColorMap=e.sheenColorMap,this.sheenRoughness=e.sheenRoughness,this.sheenRoughnessMap=e.sheenRoughnessMap,this.transmission=e.transmission,this.transmissionMap=e.transmissionMap,this.thickness=e.thickness,this.thicknessMap=e.thicknessMap,this.attenuationDistance=e.attenuationDistance,this.attenuationColor.copy(e.attenuationColor),this.specularIntensity=e.specularIntensity,this.specularIntensityMap=e.specularIntensityMap,this.specularColor.copy(e.specularColor),this.specularColorMap=e.specularColorMap,this}}class uf extends rx{constructor(e){super(),this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new rg(16777215),this.specular=new rg(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new rg(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=tH,this.normalScale=new ik(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new nq,this.combine=ei,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(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.envMapRotation.copy(e.envMapRotation),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.flatShading=e.flatShading,this.fog=e.fog,this}}class um extends rx{constructor(e){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new rg(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new rg(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=tH,this.normalScale=new ik(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),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.alphaMap=e.alphaMap,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.fog=e.fog,this}}class ug extends rx{constructor(e){super(),this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=tH,this.normalScale=new ik(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(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.flatShading=e.flatShading,this}}class u_ extends rx{constructor(e){super(),this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new rg(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new rg(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=tH,this.normalScale=new ik(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new nq,this.combine=ei,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(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.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.envMapRotation.copy(e.envMapRotation),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.flatShading=e.flatShading,this.fog=e.fog,this}}class uv extends rx{constructor(e){super(),this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new rg(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=tH,this.normalScale=new ik(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(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.flatShading=e.flatShading,this.fog=e.fog,this}}class ux extends lG{constructor(e){super(),this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(e)}copy(e){return super.copy(e),this.scale=e.scale,this.dashSize=e.dashSize,this.gapSize=e.gapSize,this}}function uy(e,t,i){return e&&(i||e.constructor!==t)?"number"==typeof t.BYTES_PER_ELEMENT?new t(e):Array.prototype.slice.call(e):e}function uM(e){return ArrayBuffer.isView(e)&&!(e instanceof DataView)}function uS(e){let t=e.length,i=Array(t);for(let e=0;e!==t;++e)i[e]=e;return i.sort(function(t,i){return e[t]-e[i]}),i}function ub(e,t,i){let n=e.length,r=new e.constructor(n);for(let a=0,s=0;s!==n;++a){let n=i[a]*t;for(let i=0;i!==t;++i)r[s++]=e[n+i]}return r}function uT(e,t,i,n){let r=1,a=e[0];for(;void 0!==a&&void 0===a[n];)a=e[r++];if(void 0===a)return;let s=a[n];if(void 0!==s){if(Array.isArray(s))do void 0!==(s=a[n])&&(t.push(a.time),i.push.apply(i,s)),a=e[r++];while(void 0!==a);else if(void 0!==s.toArray)do void 0!==(s=a[n])&&(t.push(a.time),s.toArray(i,i.length)),a=e[r++];while(void 0!==a);else do void 0!==(s=a[n])&&(t.push(a.time),i.push(s)),a=e[r++];while(void 0!==a)}}let uE={convertArray:uy,isTypedArray:uM,getKeyframeOrder:uS,sortedArray:ub,flattenJSON:uT,subclip:function(e,t,i,n,r=30){let a=e.clone();a.name=t;let s=[];for(let e=0;e<a.tracks.length;++e){let t=a.tracks[e],o=t.getValueSize(),l=[],h=[];for(let e=0;e<t.times.length;++e){let a=t.times[e]*r;if(!(a<i)&&!(a>=n)){l.push(t.times[e]);for(let i=0;i<o;++i)h.push(t.values[e*o+i])}}0!==l.length&&(t.times=uy(l,t.times.constructor),t.values=uy(h,t.values.constructor),s.push(t))}a.tracks=s;let o=1/0;for(let e=0;e<a.tracks.length;++e)o>a.tracks[e].times[0]&&(o=a.tracks[e].times[0]);for(let e=0;e<a.tracks.length;++e)a.tracks[e].shift(-1*o);return a.resetDuration(),a},makeClipAdditive:function(e,t=0,i=e,n=30){n<=0&&(n=30);let r=i.tracks.length,a=t/n;for(let t=0;t<r;++t){let n;let r=i.tracks[t],s=r.ValueTypeName;if("bool"===s||"string"===s)continue;let o=e.tracks.find(function(e){return e.name===r.name&&e.ValueTypeName===s});if(void 0===o)continue;let l=0,h=r.getValueSize();r.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(l=h/3);let u=0,c=o.getValueSize();o.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(u=c/3);let d=r.times.length-1;if(a<=r.times[0]){let e=l,t=h-l;n=r.values.slice(e,t)}else if(a>=r.times[d]){let e=d*h+l,t=e+h-l;n=r.values.slice(e,t)}else{let e=r.createInterpolant(),t=l,i=h-l;e.evaluate(a),n=e.resultBuffer.slice(t,i)}"quaternion"===s&&new ns().fromArray(n).normalize().conjugate().toArray(n);let p=o.times.length;for(let e=0;e<p;++e){let t=e*c+u;if("quaternion"===s)ns.multiplyQuaternionsFlat(o.values,t,n,0,o.values,t);else{let e=c-2*u;for(let i=0;i<e;++i)o.values[t+i]-=n[i]}}}return e.blendMode=tO,e}};class uw{constructor(e,t,i,n){this.parameterPositions=e,this._cachedIndex=0,this.resultBuffer=void 0!==n?n:new t.constructor(i),this.sampleValues=t,this.valueSize=i,this.settings=null,this.DefaultSettings_={}}evaluate(e){let t=this.parameterPositions,i=this._cachedIndex,n=t[i],r=t[i-1];e:{t:{let a;i:{n:if(!(e<n)){for(let a=i+2;;){if(void 0===n){if(e<r)break n;return i=t.length,this._cachedIndex=i,this.copySampleValue_(i-1)}if(i===a)break;if(r=n,e<(n=t[++i]))break t}a=t.length;break i}if(!(e>=r)){let s=t[1];e<s&&(i=2,r=s);for(let a=i-2;;){if(void 0===r)return this._cachedIndex=0,this.copySampleValue_(0);if(i===a)break;if(n=r,e>=(r=t[--i-1]))break t}a=i,i=0;break i}break e}for(;i<a;){let n=i+a>>>1;e<t[n]?a=n:i=n+1}if(n=t[i],void 0===(r=t[i-1]))return this._cachedIndex=0,this.copySampleValue_(0);if(void 0===n)return i=t.length,this._cachedIndex=i,this.copySampleValue_(i-1)}this._cachedIndex=i,this.intervalChanged_(i,r,n)}return this.interpolate_(i,r,e,n)}getSettings_(){return this.settings||this.DefaultSettings_}copySampleValue_(e){let t=this.resultBuffer,i=this.sampleValues,n=this.valueSize,r=e*n;for(let e=0;e!==n;++e)t[e]=i[r+e];return t}interpolate_(){throw Error("call to abstract method")}intervalChanged_(){}}class uA extends uw{constructor(e,t,i,n){super(e,t,i,n),this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0,this.DefaultSettings_={endingStart:tI,endingEnd:tI}}intervalChanged_(e,t,i){let n=this.parameterPositions,r=e-2,a=e+1,s=n[r],o=n[a];if(void 0===s)switch(this.getSettings_().endingStart){case tU:r=e,s=2*t-i;break;case tN:r=n.length-2,s=t+n[r]-n[r+1];break;default:r=e,s=i}if(void 0===o)switch(this.getSettings_().endingEnd){case tU:a=e,o=2*i-t;break;case tN:a=1,o=i+n[1]-n[0];break;default:a=e-1,o=t}let l=(i-t)*.5,h=this.valueSize;this._weightPrev=l/(t-s),this._weightNext=l/(o-i),this._offsetPrev=r*h,this._offsetNext=a*h}interpolate_(e,t,i,n){let 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l(t){h(),n&&n(t),r.manager.itemError(e),r.manager.itemEnd(e)}function h(){s.removeEventListener("load",o,!1),s.removeEventListener("error",l,!1)}return s.addEventListener("load",o,!1),s.addEventListener("error",l,!1),"data:"!==e.slice(0,5)&&void 0!==this.crossOrigin&&(s.crossOrigin=this.crossOrigin),r.manager.itemStart(e),s.src=e,s}}class uZ extends uH{constructor(e){super(e)}load(e,t,i,n){let r=new ad;r.colorSpace=tX;let a=new uY(this.manager);a.setCrossOrigin(this.crossOrigin),a.setPath(this.path);let s=0;for(let i=0;i<e.length;++i)!function(i){a.load(e[i],function(e){r.images[i]=e,6==++s&&(r.needsUpdate=!0,t&&t(r))},void 0,n)}(i);return r}}class uJ extends uH{constructor(e){super(e)}load(e,t,i,n){let r=this,a=new lc,s=new uX(this.manager);return s.setResponseType("arraybuffer"),s.setRequestHeader(this.requestHeader),s.setPath(this.path),s.setWithCredentials(r.withCredentials),s.load(e,function(e){let i;try{i=r.parse(e)}catch(e){if(void 0!==n)n(e);else{console.error(e);return}}void 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re{constructor(e,t=1){super(),this.isLight=!0,this.type="Light",this.color=new rg(e),this.intensity=t}dispose(){}copy(e,t){return super.copy(e,t),this.color.copy(e.color),this.intensity=e.intensity,this}toJSON(e){let t=super.toJSON(e);return t.object.color=this.color.getHex(),t.object.intensity=this.intensity,void 0!==this.groundColor&&(t.object.groundColor=this.groundColor.getHex()),void 0!==this.distance&&(t.object.distance=this.distance),void 0!==this.angle&&(t.object.angle=this.angle),void 0!==this.decay&&(t.object.decay=this.decay),void 0!==this.penumbra&&(t.object.penumbra=this.penumbra),void 0!==this.shadow&&(t.object.shadow=this.shadow.toJSON()),t}}class uQ extends u${constructor(e,t,i){super(e,i),this.isHemisphereLight=!0,this.type="HemisphereLight",this.position.copy(re.DEFAULT_UP),this.updateMatrix(),this.groundColor=new rg(t)}copy(e,t){return super.copy(e,t),this.groundColor.copy(e.groundColor),this}}let u0=new nF,u1=new no,u2=new no;class u3{constructor(e){this.camera=e,this.bias=0,this.normalBias=0,this.radius=1,this.blurSamples=8,this.mapSize=new ik(512,512),this.map=null,this.mapPass=null,this.matrix=new nF,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new ay,this._frameExtents=new ik(1,1),this._viewportCount=1,this._viewports=[new i7(0,0,1,1)]}getViewportCount(){return this._viewportCount}getFrustum(){return this._frustum}updateMatrices(e){let t=this.camera,i=this.matrix;u1.setFromMatrixPosition(e.matrixWorld),t.position.copy(u1),u2.setFromMatrixPosition(e.target.matrixWorld),t.lookAt(u2),t.updateMatrixWorld(),u0.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),this._frustum.setFromProjectionMatrix(u0),i.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),i.multiply(u0)}getViewport(e){return this._viewports[e]}getFrameExtents(){return this._frameExtents}dispose(){this.map&&this.map.dispose(),this.mapPass&&this.mapPass.dispose()}copy(e){return this.camera=e.camera.clone(),this.bias=e.bias,this.radius=e.radius,this.mapSize.copy(e.mapSize),this}clone(){return new this.constructor().copy(this)}toJSON(){let e={};return 0!==this.bias&&(e.bias=this.bias),0!==this.normalBias&&(e.normalBias=this.normalBias),1!==this.radius&&(e.radius=this.radius),(512!==this.mapSize.x||512!==this.mapSize.y)&&(e.mapSize=this.mapSize.toArray()),e.camera=this.camera.toJSON(!1).object,delete e.camera.matrix,e}}class u4 extends u3{constructor(){super(new au(50,1,.5,500)),this.isSpotLightShadow=!0,this.focus=1}updateMatrices(e){let t=this.camera,i=2*iI*e.angle*this.focus,n=this.mapSize.width/this.mapSize.height,r=e.distance||t.far;(i!==t.fov||n!==t.aspect||r!==t.far)&&(t.fov=i,t.aspect=n,t.far=r,t.updateProjectionMatrix()),super.updateMatrices(e)}copy(e){return super.copy(e),this.focus=e.focus,this}}class u5 extends u${constructor(e,t,i=0,n=Math.PI/3,r=0,a=2){super(e,t),this.isSpotLight=!0,this.type="SpotLight",this.position.copy(re.DEFAULT_UP),this.updateMatrix(),this.target=new re,this.distance=i,this.angle=n,this.penumbra=r,this.decay=a,this.map=null,this.shadow=new u4}get power(){return this.intensity*Math.PI}set power(e){this.intensity=e/Math.PI}dispose(){this.shadow.dispose()}copy(e,t){return super.copy(e,t),this.distance=e.distance,this.angle=e.angle,this.penumbra=e.penumbra,this.decay=e.decay,this.target=e.target.clone(),this.shadow=e.shadow.clone(),this}}let u6=new nF,u8=new no,u9=new no;class u7 extends u3{constructor(){super(new au(90,1,.5,500)),this.isPointLightShadow=!0,this._frameExtents=new ik(4,2),this._viewportCount=6,this._viewports=[new i7(2,1,1,1),new i7(0,1,1,1),new i7(3,1,1,1),new i7(1,1,1,1),new i7(3,0,1,1),new i7(1,0,1,1)],this._cubeDirections=[new no(1,0,0),new no(-1,0,0),new no(0,0,1),new no(0,0,-1),new no(0,1,0),new no(0,-1,0)],this._cubeUps=[new no(0,1,0),new no(0,1,0),new no(0,1,0),new no(0,1,0),new no(0,0,1),new no(0,0,-1)]}updateMatrices(e,t=0){let i=this.camera,n=this.matrix,r=e.distance||i.far;r!==i.far&&(i.far=r,i.updateProjectionMatrix()),u8.setFromMatrixPosition(e.matrixWorld),i.position.copy(u8),u9.copy(i.position),u9.add(this._cubeDirections[t]),i.up.copy(this._cubeUps[t]),i.lookAt(u9),i.updateMatrixWorld(),n.makeTranslation(-u8.x,-u8.y,-u8.z),u6.multiplyMatrices(i.projectionMatrix,i.matrixWorldInverse),this._frustum.setFromProjectionMatrix(u6)}}class ce extends u${constructor(e,t,i=0,n=2){super(e,t),this.isPointLight=!0,this.type="PointLight",this.distance=i,this.decay=n,this.shadow=new u7}get power(){return 4*this.intensity*Math.PI}set power(e){this.intensity=e/(4*Math.PI)}dispose(){this.shadow.dispose()}copy(e,t){return super.copy(e,t),this.distance=e.distance,this.decay=e.decay,this.shadow=e.shadow.clone(),this}}class ct extends u3{constructor(){super(new aO(-5,5,5,-5,.5,500)),this.isDirectionalLightShadow=!0}}class ci extends u${constructor(e,t){super(e,t),this.isDirectionalLight=!0,this.type="DirectionalLight",this.position.copy(re.DEFAULT_UP),this.updateMatrix(),this.target=new re,this.shadow=new ct}dispose(){this.shadow.dispose()}copy(e){return super.copy(e),this.target=e.target.clone(),this.shadow=e.shadow.clone(),this}}class cn extends u${constructor(e,t){super(e,t),this.isAmbientLight=!0,this.type="AmbientLight"}}class cr extends u${constructor(e,t,i=10,n=10){super(e,t),this.isRectAreaLight=!0,this.type="RectAreaLight",this.width=i,this.height=n}get power(){return this.intensity*this.width*this.height*Math.PI}set power(e){this.intensity=e/(this.width*this.height*Math.PI)}copy(e){return super.copy(e),this.width=e.width,this.height=e.height,this}toJSON(e){let t=super.toJSON(e);return t.object.width=this.width,t.object.height=this.height,t}}class ca{constructor(){this.isSphericalHarmonics3=!0,this.coefficients=[];for(let e=0;e<9;e++)this.coefficients.push(new no)}set(e){for(let t=0;t<9;t++)this.coefficients[t].copy(e[t]);return this}zero(){for(let e=0;e<9;e++)this.coefficients[e].set(0,0,0);return this}getAt(e,t){let i=e.x,n=e.y,r=e.z,a=this.coefficients;return t.copy(a[0]).multiplyScalar(.282095),t.addScaledVector(a[1],.488603*n),t.addScaledVector(a[2],.488603*r),t.addScaledVector(a[3],.488603*i),t.addScaledVector(a[4],i*n*1.092548),t.addScaledVector(a[5],n*r*1.092548),t.addScaledVector(a[6],.315392*(3*r*r-1)),t.addScaledVector(a[7],i*r*1.092548),t.addScaledVector(a[8],.546274*(i*i-n*n)),t}getIrradianceAt(e,t){let i=e.x,n=e.y,r=e.z,a=this.coefficients;return t.copy(a[0]).multiplyScalar(.886227),t.addScaledVector(a[1],1.023328*n),t.addScaledVector(a[2],1.023328*r),t.addScaledVector(a[3],1.023328*i),t.addScaledVector(a[4],.858086*i*n),t.addScaledVector(a[5],.858086*n*r),t.addScaledVector(a[6],.743125*r*r-.247708),t.addScaledVector(a[7],.858086*i*r),t.addScaledVector(a[8],.429043*(i*i-n*n)),t}add(e){for(let t=0;t<9;t++)this.coefficients[t].add(e.coefficients[t]);return this}addScaledSH(e,t){for(let i=0;i<9;i++)this.coefficients[i].addScaledVector(e.coefficients[i],t);return this}scale(e){for(let t=0;t<9;t++)this.coefficients[t].multiplyScalar(e);return this}lerp(e,t){for(let i=0;i<9;i++)this.coefficients[i].lerp(e.coefficients[i],t);return this}equals(e){for(let t=0;t<9;t++)if(!this.coefficients[t].equals(e.coefficients[t]))return!1;return!0}copy(e){return this.set(e.coefficients)}clone(){return new this.constructor().copy(this)}fromArray(e,t=0){let i=this.coefficients;for(let n=0;n<9;n++)i[n].fromArray(e,t+3*n);return this}toArray(e=[],t=0){let i=this.coefficients;for(let n=0;n<9;n++)i[n].toArray(e,t+3*n);return e}static getBasisAt(e,t){let i=e.x,n=e.y,r=e.z;t[0]=.282095,t[1]=.488603*n,t[2]=.488603*r,t[3]=.488603*i,t[4]=1.092548*i*n,t[5]=1.092548*n*r,t[6]=.315392*(3*r*r-1),t[7]=1.092548*i*r,t[8]=.546274*(i*i-n*n)}}class cs extends u${constructor(e=new ca,t=1){super(void 0,t),this.isLightProbe=!0,this.sh=e}copy(e){return super.copy(e),this.sh.copy(e.sh),this}fromJSON(e){return this.intensity=e.intensity,this.sh.fromArray(e.sh),this}toJSON(e){let t=super.toJSON(e);return t.object.sh=this.sh.toArray(),t}}class co extends uH{constructor(e){super(e),this.textures={}}load(e,t,i,n){let r=this,a=new uX(r.manager);a.setPath(r.path),a.setRequestHeader(r.requestHeader),a.setWithCredentials(r.withCredentials),a.load(e,function(i){try{t(r.parse(JSON.parse(i)))}catch(t){n?n(t):console.error(t),r.manager.itemError(e)}},i,n)}parse(e){let t=this.textures;function i(e){return void 0===t[e]&&console.warn("THREE.MaterialLoader: Undefined texture",e),t[e]}let n=co.createMaterialFromType(e.type);if(void 0!==e.uuid&&(n.uuid=e.uuid),void 0!==e.name&&(n.name=e.name),void 0!==e.color&&void 0!==n.color&&n.color.setHex(e.color),void 0!==e.roughness&&(n.roughness=e.roughness),void 0!==e.metalness&&(n.metalness=e.metalness),void 0!==e.sheen&&(n.sheen=e.sheen),void 0!==e.sheenColor&&(n.sheenColor=new rg().setHex(e.sheenColor)),void 0!==e.sheenRoughness&&(n.sheenRoughness=e.sheenRoughness),void 0!==e.emissive&&void 0!==n.emissive&&n.emissive.setHex(e.emissive),void 0!==e.specular&&void 0!==n.specular&&n.specular.setHex(e.specular),void 0!==e.specularIntensity&&(n.specularIntensity=e.specularIntensity),void 0!==e.specularColor&&void 0!==n.specularColor&&n.specularColor.setHex(e.specularColor),void 0!==e.shininess&&(n.shininess=e.shininess),void 0!==e.clearcoat&&(n.clearcoat=e.clearcoat),void 0!==e.clearcoatRoughness&&(n.clearcoatRoughness=e.clearcoatRoughness),void 0!==e.dispersion&&(n.dispersion=e.dispersion),void 0!==e.iridescence&&(n.iridescence=e.iridescence),void 0!==e.iridescenceIOR&&(n.iridescenceIOR=e.iridescenceIOR),void 0!==e.iridescenceThicknessRange&&(n.iridescenceThicknessRange=e.iridescenceThicknessRange),void 0!==e.transmission&&(n.transmission=e.transmission),void 0!==e.thickness&&(n.thickness=e.thickness),void 0!==e.attenuationDistance&&(n.attenuationDistance=e.attenuationDistance),void 0!==e.attenuationColor&&void 0!==n.attenuationColor&&n.attenuationColor.setHex(e.attenuationColor),void 0!==e.anisotropy&&(n.anisotropy=e.anisotropy),void 0!==e.anisotropyRotation&&(n.anisotropyRotation=e.anisotropyRotation),void 0!==e.fog&&(n.fog=e.fog),void 0!==e.flatShading&&(n.flatShading=e.flatShading),void 0!==e.blending&&(n.blending=e.blending),void 0!==e.combine&&(n.combine=e.combine),void 0!==e.side&&(n.side=e.side),void 0!==e.shadowSide&&(n.shadowSide=e.shadowSide),void 0!==e.opacity&&(n.opacity=e.opacity),void 0!==e.transparent&&(n.transparent=e.transparent),void 0!==e.alphaTest&&(n.alphaTest=e.alphaTest),void 0!==e.alphaHash&&(n.alphaHash=e.alphaHash),void 0!==e.depthFunc&&(n.depthFunc=e.depthFunc),void 0!==e.depthTest&&(n.depthTest=e.depthTest),void 0!==e.depthWrite&&(n.depthWrite=e.depthWrite),void 0!==e.colorWrite&&(n.colorWrite=e.colorWrite),void 0!==e.blendSrc&&(n.blendSrc=e.blendSrc),void 0!==e.blendDst&&(n.blendDst=e.blendDst),void 0!==e.blendEquation&&(n.blendEquation=e.blendEquation),void 0!==e.blendSrcAlpha&&(n.blendSrcAlpha=e.blendSrcAlpha),void 0!==e.blendDstAlpha&&(n.blendDstAlpha=e.blendDstAlpha),void 0!==e.blendEquationAlpha&&(n.blendEquationAlpha=e.blendEquationAlpha),void 0!==e.blendColor&&void 0!==n.blendColor&&n.blendColor.setHex(e.blendColor),void 0!==e.blendAlpha&&(n.blendAlpha=e.blendAlpha),void 0!==e.stencilWriteMask&&(n.stencilWriteMask=e.stencilWriteMask),void 0!==e.stencilFunc&&(n.stencilFunc=e.stencilFunc),void 0!==e.stencilRef&&(n.stencilRef=e.stencilRef),void 0!==e.stencilFuncMask&&(n.stencilFuncMask=e.stencilFuncMask),void 0!==e.stencilFail&&(n.stencilFail=e.stencilFail),void 0!==e.stencilZFail&&(n.stencilZFail=e.stencilZFail),void 0!==e.stencilZPass&&(n.stencilZPass=e.stencilZPass),void 0!==e.stencilWrite&&(n.stencilWrite=e.stencilWrite),void 0!==e.wireframe&&(n.wireframe=e.wireframe),void 0!==e.wireframeLinewidth&&(n.wireframeLinewidth=e.wireframeLinewidth),void 0!==e.wireframeLinecap&&(n.wireframeLinecap=e.wireframeLinecap),void 0!==e.wireframeLinejoin&&(n.wireframeLinejoin=e.wireframeLinejoin),void 0!==e.rotation&&(n.rotation=e.rotation),void 0!==e.linewidth&&(n.linewidth=e.linewidth),void 0!==e.dashSize&&(n.dashSize=e.dashSize),void 0!==e.gapSize&&(n.gapSize=e.gapSize),void 0!==e.scale&&(n.scale=e.scale),void 0!==e.polygonOffset&&(n.polygonOffset=e.polygonOffset),void 0!==e.polygonOffsetFactor&&(n.polygonOffsetFactor=e.polygonOffsetFactor),void 0!==e.polygonOffsetUnits&&(n.polygonOffsetUnits=e.polygonOffsetUnits),void 0!==e.dithering&&(n.dithering=e.dithering),void 0!==e.alphaToCoverage&&(n.alphaToCoverage=e.alphaToCoverage),void 0!==e.premultipliedAlpha&&(n.premultipliedAlpha=e.premultipliedAlpha),void 0!==e.forceSinglePass&&(n.forceSinglePass=e.forceSinglePass),void 0!==e.visible&&(n.visible=e.visible),void 0!==e.toneMapped&&(n.toneMapped=e.toneMapped),void 0!==e.userData&&(n.userData=e.userData),void 0!==e.vertexColors&&("number"==typeof e.vertexColors?n.vertexColors=e.vertexColors>0:n.vertexColors=e.vertexColors),void 0!==e.uniforms)for(let t in e.uniforms){let r=e.uniforms[t];switch(n.uniforms[t]={},r.type){case"t":n.uniforms[t].value=i(r.value);break;case"c":n.uniforms[t].value=new rg().setHex(r.value);break;case"v2":n.uniforms[t].value=new ik().fromArray(r.value);break;case"v3":n.uniforms[t].value=new no().fromArray(r.value);break;case"v4":n.uniforms[t].value=new i7().fromArray(r.value);break;case"m3":n.uniforms[t].value=new iV().fromArray(r.value);break;case"m4":n.uniforms[t].value=new nF().fromArray(r.value);break;default:n.uniforms[t].value=r.value}}if(void 0!==e.defines&&(n.defines=e.defines),void 0!==e.vertexShader&&(n.vertexShader=e.vertexShader),void 0!==e.fragmentShader&&(n.fragmentShader=e.fragmentShader),void 0!==e.glslVersion&&(n.glslVersion=e.glslVersion),void 0!==e.extensions)for(let t in e.extensions)n.extensions[t]=e.extensions[t];if(void 0!==e.lights&&(n.lights=e.lights),void 0!==e.clipping&&(n.clipping=e.clipping),void 0!==e.size&&(n.size=e.size),void 0!==e.sizeAttenuation&&(n.sizeAttenuation=e.sizeAttenuation),void 0!==e.map&&(n.map=i(e.map)),void 0!==e.matcap&&(n.matcap=i(e.matcap)),void 0!==e.alphaMap&&(n.alphaMap=i(e.alphaMap)),void 0!==e.bumpMap&&(n.bumpMap=i(e.bumpMap)),void 0!==e.bumpScale&&(n.bumpScale=e.bumpScale),void 0!==e.normalMap&&(n.normalMap=i(e.normalMap)),void 0!==e.normalMapType&&(n.normalMapType=e.normalMapType),void 0!==e.normalScale){let t=e.normalScale;!1===Array.isArray(t)&&(t=[t,t]),n.normalScale=new ik().fromArray(t)}return void 0!==e.displacementMap&&(n.displacementMap=i(e.displacementMap)),void 0!==e.displacementScale&&(n.displacementScale=e.displacementScale),void 0!==e.displacementBias&&(n.displacementBias=e.displacementBias),void 0!==e.roughnessMap&&(n.roughnessMap=i(e.roughnessMap)),void 0!==e.metalnessMap&&(n.metalnessMap=i(e.metalnessMap)),void 0!==e.emissiveMap&&(n.emissiveMap=i(e.emissiveMap)),void 0!==e.emissiveIntensity&&(n.emissiveIntensity=e.emissiveIntensity),void 0!==e.specularMap&&(n.specularMap=i(e.specularMap)),void 0!==e.specularIntensityMap&&(n.specularIntensityMap=i(e.specularIntensityMap)),void 0!==e.specularColorMap&&(n.specularColorMap=i(e.specularColorMap)),void 0!==e.envMap&&(n.envMap=i(e.envMap)),void 0!==e.envMapRotation&&n.envMapRotation.fromArray(e.envMapRotation),void 0!==e.envMapIntensity&&(n.envMapIntensity=e.envMapIntensity),void 0!==e.reflectivity&&(n.reflectivity=e.reflectivity),void 0!==e.refractionRatio&&(n.refractionRatio=e.refractionRatio),void 0!==e.lightMap&&(n.lightMap=i(e.lightMap)),void 0!==e.lightMapIntensity&&(n.lightMapIntensity=e.lightMapIntensity),void 0!==e.aoMap&&(n.aoMap=i(e.aoMap)),void 0!==e.aoMapIntensity&&(n.aoMapIntensity=e.aoMapIntensity),void 0!==e.gradientMap&&(n.gradientMap=i(e.gradientMap)),void 0!==e.clearcoatMap&&(n.clearcoatMap=i(e.clearcoatMap)),void 0!==e.clearcoatRoughnessMap&&(n.clearcoatRoughnessMap=i(e.clearcoatRoughnessMap)),void 0!==e.clearcoatNormalMap&&(n.clearcoatNormalMap=i(e.clearcoatNormalMap)),void 0!==e.clearcoatNormalScale&&(n.clearcoatNormalScale=new ik().fromArray(e.clearcoatNormalScale)),void 0!==e.iridescenceMap&&(n.iridescenceMap=i(e.iridescenceMap)),void 0!==e.iridescenceThicknessMap&&(n.iridescenceThicknessMap=i(e.iridescenceThicknessMap)),void 0!==e.transmissionMap&&(n.transmissionMap=i(e.transmissionMap)),void 0!==e.thicknessMap&&(n.thicknessMap=i(e.thicknessMap)),void 0!==e.anisotropyMap&&(n.anisotropyMap=i(e.anisotropyMap)),void 0!==e.sheenColorMap&&(n.sheenColorMap=i(e.sheenColorMap)),void 0!==e.sheenRoughnessMap&&(n.sheenRoughnessMap=i(e.sheenRoughnessMap)),n}setTextures(e){return this.textures=e,this}static createMaterialFromType(e){return new({ShadowMaterial:uu,SpriteMaterial:oj,RawShaderMaterial:uc,ShaderMaterial:aa,PointsMaterial:l3,MeshPhysicalMaterial:up,MeshStandardMaterial:ud,MeshPhongMaterial:uf,MeshToonMaterial:um,MeshNormalMaterial:ug,MeshLambertMaterial:u_,MeshDepthMaterial:oM,MeshDistanceMaterial:oS,MeshBasicMaterial:ry,MeshMatcapMaterial:uv,LineDashedMaterial:ux,LineBasicMaterial:lG,Material:rx})[e]}}class cl{static decodeText(e){if(console.warn("THREE.LoaderUtils: decodeText() has been deprecated with r165 and will be removed with r175. Use TextDecoder instead."),"undefined"!=typeof TextDecoder)return new TextDecoder().decode(e);let t="";for(let i=0,n=e.length;i<n;i++)t+=String.fromCharCode(e[i]);try{return decodeURIComponent(escape(t))}catch(e){return t}}static extractUrlBase(e){let t=e.lastIndexOf("/");return -1===t?"./":e.slice(0,t+1)}static resolveURL(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}}class ch extends rW{constructor(){super(),this.isInstancedBufferGeometry=!0,this.type="InstancedBufferGeometry",this.instanceCount=1/0}copy(e){return super.copy(e),this.instanceCount=e.instanceCount,this}toJSON(){let e=super.toJSON();return e.instanceCount=this.instanceCount,e.isInstancedBufferGeometry=!0,e}}class cu extends uH{constructor(e){super(e)}load(e,t,i,n){let r=this,a=new uX(r.manager);a.setPath(r.path),a.setRequestHeader(r.requestHeader),a.setWithCredentials(r.withCredentials),a.load(e,function(i){try{t(r.parse(JSON.parse(i)))}catch(t){n?n(t):console.error(t),r.manager.itemError(e)}},i,n)}parse(e){let t={},i={};function n(e,n){if(void 0!==t[n])return t[n];let r=e.interleavedBuffers[n],a=function(e,t){if(void 0!==i[t])return i[t];let n=new Uint32Array(e.arrayBuffers[t]).buffer;return i[t]=n,n}(e,r.buffer),s=new oG(iX(r.type,a),r.stride);return s.uuid=r.uuid,t[n]=s,s}let r=e.isInstancedBufferGeometry?new ch:new rW,a=e.data.index;if(void 0!==a){let e=iX(a.type,a.array);r.setIndex(new rA(e,1))}let s=e.data.attributes;for(let t in s){let i;let a=s[t];if(a.isInterleavedBufferAttribute)i=new oX(n(e.data,a.data),a.itemSize,a.offset,a.normalized);else{let e=iX(a.type,a.array);i=new(a.isInstancedBufferAttribute?lm:rA)(e,a.itemSize,a.normalized)}void 0!==a.name&&(i.name=a.name),void 0!==a.usage&&i.setUsage(a.usage),r.setAttribute(t,i)}let o=e.data.morphAttributes;if(o)for(let t in o){let i=o[t],a=[];for(let t=0,r=i.length;t<r;t++){let r;let s=i[t];r=s.isInterleavedBufferAttribute?new oX(n(e.data,s.data),s.itemSize,s.offset,s.normalized):new rA(iX(s.type,s.array),s.itemSize,s.normalized),void 0!==s.name&&(r.name=s.name),a.push(r)}r.morphAttributes[t]=a}e.data.morphTargetsRelative&&(r.morphTargetsRelative=!0);let l=e.data.groups||e.data.drawcalls||e.data.offsets;if(void 0!==l)for(let e=0,t=l.length;e!==t;++e){let t=l[e];r.addGroup(t.start,t.count,t.materialIndex)}let h=e.data.boundingSphere;if(void 0!==h){let e=new no;void 0!==h.center&&e.fromArray(h.center),r.boundingSphere=new nC(e,h.radius)}return e.name&&(r.name=e.name),e.userData&&(r.userData=e.userData),r}}class cc extends uH{constructor(e){super(e)}load(e,t,i,n){let r=this,a=""===this.path?cl.extractUrlBase(e):this.path;this.resourcePath=this.resourcePath||a;let s=new uX(this.manager);s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials),s.load(e,function(i){let a=null;try{a=JSON.parse(i)}catch(t){void 0!==n&&n(t),console.error("THREE:ObjectLoader: Can't parse "+e+".",t.message);return}let s=a.metadata;if(void 0===s||void 0===s.type||"geometry"===s.type.toLowerCase()){void 0!==n&&n(Error("THREE.ObjectLoader: Can't load "+e)),console.error("THREE.ObjectLoader: Can't load "+e);return}r.parse(a,t)},i,n)}async loadAsync(e,t){let i=""===this.path?cl.extractUrlBase(e):this.path;this.resourcePath=this.resourcePath||i;let n=new uX(this.manager);n.setPath(this.path),n.setRequestHeader(this.requestHeader),n.setWithCredentials(this.withCredentials);let r=JSON.parse(await n.loadAsync(e,t)),a=r.metadata;if(void 0===a||void 0===a.type||"geometry"===a.type.toLowerCase())throw Error("THREE.ObjectLoader: Can't load "+e);return await this.parseAsync(r)}parse(e,t){let i=this.parseAnimations(e.animations),n=this.parseShapes(e.shapes),r=this.parseGeometries(e.geometries,n),a=this.parseImages(e.images,function(){void 0!==t&&t(l)}),s=this.parseTextures(e.textures,a),o=this.parseMaterials(e.materials,s),l=this.parseObject(e.object,r,o,s,i),h=this.parseSkeletons(e.skeletons,l);if(this.bindSkeletons(l,h),void 0!==t){let e=!1;for(let t in a)if(a[t].data instanceof HTMLImageElement){e=!0;break}!1===e&&t(l)}return l}async parseAsync(e){let t=this.parseAnimations(e.animations),i=this.parseShapes(e.shapes),n=this.parseGeometries(e.geometries,i),r=await this.parseImagesAsync(e.images),a=this.parseTextures(e.textures,r),s=this.parseMaterials(e.materials,a),o=this.parseObject(e.object,n,s,a,t),l=this.parseSkeletons(e.skeletons,o);return this.bindSkeletons(o,l),o}parseShapes(e){let t={};if(void 0!==e)for(let i=0,n=e.length;i<n;i++){let n=new hk().fromJSON(e[i]);t[n.uuid]=n}return t}parseSkeletons(e,t){let i={},n={};if(t.traverse(function(e){e.isBone&&(n[e.uuid]=e)}),void 0!==e)for(let t=0,r=e.length;t<r;t++){let r=new lf().fromJSON(e[t],n);i[r.uuid]=r}return i}parseGeometries(e,t){let i={};if(void 0!==e){let n=new cu;for(let r=0,a=e.length;r<a;r++){let a;let s=e[r];switch(s.type){case"BufferGeometry":case"InstancedBufferGeometry":a=n.parse(s);break;default:s.type in uh?a=uh[s.type].fromJSON(s,t):console.warn(`THREE.ObjectLoader: Unsupported geometry type "${s.type}"`)}a.uuid=s.uuid,void 0!==s.name&&(a.name=s.name),void 0!==s.userData&&(a.userData=s.userData),i[s.uuid]=a}}return i}parseMaterials(e,t){let i={},n={};if(void 0!==e){let r=new co;r.setTextures(t);for(let t=0,a=e.length;t<a;t++){let a=e[t];void 0===i[a.uuid]&&(i[a.uuid]=r.parse(a)),n[a.uuid]=i[a.uuid]}}return n}parseAnimations(e){let t={};if(void 0!==e)for(let i=0;i<e.length;i++){let n=e[i],r=uB.parse(n);t[r.uuid]=r}return t}parseImages(e,t){let i;let n=this,r={};function a(e){if("string"==typeof e){var t;return t=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(e)?e:n.resourcePath+e,n.manager.itemStart(t),i.load(t,function(){n.manager.itemEnd(t)},void 0,function(){n.manager.itemError(t),n.manager.itemEnd(t)})}return e.data?{data:iX(e.type,e.data),width:e.width,height:e.height}:null}if(void 0!==e&&e.length>0){(i=new uY(new uk(t))).setCrossOrigin(this.crossOrigin);for(let t=0,i=e.length;t<i;t++){let i=e[t],n=i.url;if(Array.isArray(n)){let e=[];for(let t=0,i=n.length;t<i;t++){let i=a(n[t]);null!==i&&(i instanceof HTMLImageElement?e.push(i):e.push(new lc(i.data,i.width,i.height)))}r[i.uuid]=new i5(e)}else{let e=a(i.url);r[i.uuid]=new i5(e)}}}return r}async parseImagesAsync(e){let t;let i=this,n={};async function r(e){if("string"==typeof e){let n=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(e)?e:i.resourcePath+e;return await t.loadAsync(n)}return e.data?{data:iX(e.type,e.data),width:e.width,height:e.height}:null}if(void 0!==e&&e.length>0){(t=new uY(this.manager)).setCrossOrigin(this.crossOrigin);for(let t=0,i=e.length;t<i;t++){let i=e[t],a=i.url;if(Array.isArray(a)){let e=[];for(let t=0,i=a.length;t<i;t++){let i=a[t],n=await r(i);null!==n&&(n instanceof HTMLImageElement?e.push(n):e.push(new lc(n.data,n.width,n.height)))}n[i.uuid]=new i5(e)}else{let e=await r(i.url);n[i.uuid]=new i5(e)}}}return n}parseTextures(e,t){function i(e,t){return"number"==typeof e?e:(console.warn("THREE.ObjectLoader.parseTexture: Constant should be in numeric form.",e),t[e])}let n={};if(void 0!==e)for(let r=0,a=e.length;r<a;r++){let a;let s=e[r];void 0===s.image&&console.warn('THREE.ObjectLoader: No "image" specified for',s.uuid),void 0===t[s.image]&&console.warn("THREE.ObjectLoader: Undefined image",s.image);let o=t[s.image],l=o.data;Array.isArray(l)?(a=new ad,6===l.length&&(a.needsUpdate=!0)):(a=l&&l.data?new lc:new i9,l&&(a.needsUpdate=!0)),a.source=o,a.uuid=s.uuid,void 0!==s.name&&(a.name=s.name),void 0!==s.mapping&&(a.mapping=i(s.mapping,cd)),void 0!==s.channel&&(a.channel=s.channel),void 0!==s.offset&&a.offset.fromArray(s.offset),void 0!==s.repeat&&a.repeat.fromArray(s.repeat),void 0!==s.center&&a.center.fromArray(s.center),void 0!==s.rotation&&(a.rotation=s.rotation),void 0!==s.wrap&&(a.wrapS=i(s.wrap[0],cp),a.wrapT=i(s.wrap[1],cp)),void 0!==s.format&&(a.format=s.format),void 0!==s.internalFormat&&(a.internalFormat=s.internalFormat),void 0!==s.type&&(a.type=s.type),void 0!==s.colorSpace&&(a.colorSpace=s.colorSpace),void 0!==s.minFilter&&(a.minFilter=i(s.minFilter,cf)),void 0!==s.magFilter&&(a.magFilter=i(s.magFilter,cf)),void 0!==s.anisotropy&&(a.anisotropy=s.anisotropy),void 0!==s.flipY&&(a.flipY=s.flipY),void 0!==s.generateMipmaps&&(a.generateMipmaps=s.generateMipmaps),void 0!==s.premultiplyAlpha&&(a.premultiplyAlpha=s.premultiplyAlpha),void 0!==s.unpackAlignment&&(a.unpackAlignment=s.unpackAlignment),void 0!==s.compareFunction&&(a.compareFunction=s.compareFunction),void 0!==s.userData&&(a.userData=s.userData),n[s.uuid]=a}return n}parseObject(e,t,i,n,r){let a,s,o;function l(e){return void 0===t[e]&&console.warn("THREE.ObjectLoader: Undefined geometry",e),t[e]}function h(e){if(void 0!==e){if(Array.isArray(e)){let t=[];for(let n=0,r=e.length;n<r;n++){let r=e[n];void 0===i[r]&&console.warn("THREE.ObjectLoader: Undefined material",r),t.push(i[r])}return t}return void 0===i[e]&&console.warn("THREE.ObjectLoader: Undefined material",e),i[e]}}function u(e){return void 0===n[e]&&console.warn("THREE.ObjectLoader: Undefined texture",e),n[e]}switch(e.type){case"Scene":a=new oH,void 0!==e.background&&(Number.isInteger(e.background)?a.background=new rg(e.background):a.background=u(e.background)),void 0!==e.environment&&(a.environment=u(e.environment)),void 0!==e.fog&&("Fog"===e.fog.type?a.fog=new oV(e.fog.color,e.fog.near,e.fog.far):"FogExp2"===e.fog.type&&(a.fog=new ok(e.fog.color,e.fog.density)),""!==e.fog.name&&(a.fog.name=e.fog.name)),void 0!==e.backgroundBlurriness&&(a.backgroundBlurriness=e.backgroundBlurriness),void 0!==e.backgroundIntensity&&(a.backgroundIntensity=e.backgroundIntensity),void 0!==e.backgroundRotation&&a.backgroundRotation.fromArray(e.backgroundRotation),void 0!==e.environmentIntensity&&(a.environmentIntensity=e.environmentIntensity),void 0!==e.environmentRotation&&a.environmentRotation.fromArray(e.environmentRotation);break;case"PerspectiveCamera":a=new au(e.fov,e.aspect,e.near,e.far),void 0!==e.focus&&(a.focus=e.focus),void 0!==e.zoom&&(a.zoom=e.zoom),void 0!==e.filmGauge&&(a.filmGauge=e.filmGauge),void 0!==e.filmOffset&&(a.filmOffset=e.filmOffset),void 0!==e.view&&(a.view=Object.assign({},e.view));break;case"OrthographicCamera":a=new aO(e.left,e.right,e.top,e.bottom,e.near,e.far),void 0!==e.zoom&&(a.zoom=e.zoom),void 0!==e.view&&(a.view=Object.assign({},e.view));break;case"AmbientLight":a=new cn(e.color,e.intensity);break;case"DirectionalLight":a=new ci(e.color,e.intensity);break;case"PointLight":a=new ce(e.color,e.intensity,e.distance,e.decay);break;case"RectAreaLight":a=new cr(e.color,e.intensity,e.width,e.height);break;case"SpotLight":a=new u5(e.color,e.intensity,e.distance,e.angle,e.penumbra,e.decay);break;case"HemisphereLight":a=new uQ(e.color,e.groundColor,e.intensity);break;case"LightProbe":a=new cs().fromJSON(e);break;case"SkinnedMesh":a=new lh(s=l(e.geometry),o=h(e.material)),void 0!==e.bindMode&&(a.bindMode=e.bindMode),void 0!==e.bindMatrix&&a.bindMatrix.fromArray(e.bindMatrix),void 0!==e.skeleton&&(a.skeleton=e.skeleton);break;case"Mesh":a=new r9(s=l(e.geometry),o=h(e.material));break;case"InstancedMesh":s=l(e.geometry),o=h(e.material);let c=e.count,d=e.instanceMatrix,p=e.instanceColor;(a=new lb(s,o,c)).instanceMatrix=new lm(new Float32Array(d.array),16),void 0!==p&&(a.instanceColor=new lm(new Float32Array(p.array),p.itemSize));break;case"BatchedMesh":s=l(e.geometry),o=h(e.material),(a=new lH(e.maxGeometryCount,e.maxVertexCount,e.maxIndexCount,o)).geometry=s,a.perObjectFrustumCulled=e.perObjectFrustumCulled,a.sortObjects=e.sortObjects,a._drawRanges=e.drawRanges,a._reservedRanges=e.reservedRanges,a._visibility=e.visibility,a._active=e.active,a._bounds=e.bounds.map(e=>{let t=new nu;t.min.fromArray(e.boxMin),t.max.fromArray(e.boxMax);let i=new nC;return i.radius=e.sphereRadius,i.center.fromArray(e.sphereCenter),{boxInitialized:e.boxInitialized,box:t,sphereInitialized:e.sphereInitialized,sphere:i}}),a._maxGeometryCount=e.maxGeometryCount,a._maxVertexCount=e.maxVertexCount,a._maxIndexCount=e.maxIndexCount,a._geometryInitialized=e.geometryInitialized,a._geometryCount=e.geometryCount,a._matricesTexture=u(e.matricesTexture.uuid),void 0!==e.colorsTexture&&(a._colorsTexture=u(e.colorsTexture.uuid));break;case"LOD":a=new o7;break;case"Line":a=new lK(l(e.geometry),h(e.material));break;case"LineLoop":a=new l2(l(e.geometry),h(e.material));break;case"LineSegments":a=new l1(l(e.geometry),h(e.material));break;case"PointCloud":case"Points":a=new l9(l(e.geometry),h(e.material));break;case"Sprite":a=new o5(h(e.material));break;case"Group":a=new oC;break;case"Bone":a=new lu;break;default:a=new re}if(a.uuid=e.uuid,void 0!==e.name&&(a.name=e.name),void 0!==e.matrix?(a.matrix.fromArray(e.matrix),void 0!==e.matrixAutoUpdate&&(a.matrixAutoUpdate=e.matrixAutoUpdate),a.matrixAutoUpdate&&a.matrix.decompose(a.position,a.quaternion,a.scale)):(void 0!==e.position&&a.position.fromArray(e.position),void 0!==e.rotation&&a.rotation.fromArray(e.rotation),void 0!==e.quaternion&&a.quaternion.fromArray(e.quaternion),void 0!==e.scale&&a.scale.fromArray(e.scale)),void 0!==e.up&&a.up.fromArray(e.up),void 0!==e.castShadow&&(a.castShadow=e.castShadow),void 0!==e.receiveShadow&&(a.receiveShadow=e.receiveShadow),e.shadow&&(void 0!==e.shadow.bias&&(a.shadow.bias=e.shadow.bias),void 0!==e.shadow.normalBias&&(a.shadow.normalBias=e.shadow.normalBias),void 0!==e.shadow.radius&&(a.shadow.radius=e.shadow.radius),void 0!==e.shadow.mapSize&&a.shadow.mapSize.fromArray(e.shadow.mapSize),void 0!==e.shadow.camera&&(a.shadow.camera=this.parseObject(e.shadow.camera))),void 0!==e.visible&&(a.visible=e.visible),void 0!==e.frustumCulled&&(a.frustumCulled=e.frustumCulled),void 0!==e.renderOrder&&(a.renderOrder=e.renderOrder),void 0!==e.userData&&(a.userData=e.userData),void 0!==e.layers&&(a.layers.mask=e.layers),void 0!==e.children){let s=e.children;for(let e=0;e<s.length;e++)a.add(this.parseObject(s[e],t,i,n,r))}if(void 0!==e.animations){let t=e.animations;for(let e=0;e<t.length;e++){let i=t[e];a.animations.push(r[i])}}if("LOD"===e.type){void 0!==e.autoUpdate&&(a.autoUpdate=e.autoUpdate);let t=e.levels;for(let e=0;e<t.length;e++){let i=t[e],n=a.getObjectByProperty("uuid",i.object);void 0!==n&&a.addLevel(n,i.distance,i.hysteresis)}}return a}bindSkeletons(e,t){0!==Object.keys(t).length&&e.traverse(function(e){if(!0===e.isSkinnedMesh&&void 0!==e.skeleton){let i=t[e.skeleton];void 0===i?console.warn("THREE.ObjectLoader: No skeleton found with UUID:",e.skeleton):e.bind(i,e.bindMatrix)}})}}let cd={UVMapping:em,CubeReflectionMapping:eg,CubeRefractionMapping:e_,EquirectangularReflectionMapping:ev,EquirectangularRefractionMapping:ex,CubeUVReflectionMapping:ey},cp={RepeatWrapping:eM,ClampToEdgeWrapping:eS,MirroredRepeatWrapping:eb},cf={NearestFilter:eT,NearestMipmapNearestFilter:eE,NearestMipmapLinearFilter:eA,LinearFilter:eR,LinearMipmapNearestFilter:eP,LinearMipmapLinearFilter:eI};class cm extends uH{constructor(e){super(e),this.isImageBitmapLoader=!0,"undefined"==typeof createImageBitmap&&console.warn("THREE.ImageBitmapLoader: createImageBitmap() not supported."),"undefined"==typeof fetch&&console.warn("THREE.ImageBitmapLoader: fetch() not supported."),this.options={premultiplyAlpha:"none"}}setOptions(e){return this.options=e,this}load(e,t,i,n){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);let r=this,a=uz.get(e);if(void 0!==a){if(r.manager.itemStart(e),a.then){a.then(i=>{t&&t(i),r.manager.itemEnd(e)}).catch(e=>{n&&n(e)});return}return setTimeout(function(){t&&t(a),r.manager.itemEnd(e)},0),a}let s={};s.credentials="anonymous"===this.crossOrigin?"same-origin":"include",s.headers=this.requestHeader;let o=fetch(e,s).then(function(e){return e.blob()}).then(function(e){return createImageBitmap(e,Object.assign(r.options,{colorSpaceConversion:"none"}))}).then(function(i){return uz.add(e,i),t&&t(i),r.manager.itemEnd(e),i}).catch(function(t){n&&n(t),uz.remove(e),r.manager.itemError(e),r.manager.itemEnd(e)});uz.add(e,o),r.manager.itemStart(e)}}class cg{static getContext(){return void 0===a&&(a=new(window.AudioContext||window.webkitAudioContext)),a}static setContext(e){a=e}}class c_ extends uH{constructor(e){super(e)}load(e,t,i,n){let r=this,a=new uX(this.manager);function s(t){n?n(t):console.error(t),r.manager.itemError(e)}a.setResponseType("arraybuffer"),a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(e,function(e){try{let i=e.slice(0);cg.getContext().decodeAudioData(i,function(e){t(e)}).catch(s)}catch(e){s(e)}},i,n)}}let cv=new nF,cx=new nF,cy=new nF;class cM{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new au,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new au,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(e){let t=this._cache;if(t.focus!==e.focus||t.fov!==e.fov||t.aspect!==e.aspect*this.aspect||t.near!==e.near||t.far!==e.far||t.zoom!==e.zoom||t.eyeSep!==this.eyeSep){let i,n;t.focus=e.focus,t.fov=e.fov,t.aspect=e.aspect*this.aspect,t.near=e.near,t.far=e.far,t.zoom=e.zoom,t.eyeSep=this.eyeSep,cy.copy(e.projectionMatrix);let r=t.eyeSep/2,a=r*t.near/t.focus,s=t.near*Math.tan(iL*t.fov*.5)/t.zoom;cx.elements[12]=-r,cv.elements[12]=r,i=-s*t.aspect+a,n=s*t.aspect+a,cy.elements[0]=2*t.near/(n-i),cy.elements[8]=(n+i)/(n-i),this.cameraL.projectionMatrix.copy(cy),i=-s*t.aspect-a,n=s*t.aspect-a,cy.elements[0]=2*t.near/(n-i),cy.elements[8]=(n+i)/(n-i),this.cameraR.projectionMatrix.copy(cy)}this.cameraL.matrixWorld.copy(e.matrixWorld).multiply(cx),this.cameraR.matrixWorld.copy(e.matrixWorld).multiply(cv)}}class cS{constructor(e=!0){this.autoStart=e,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}start(){this.startTime=cb(),this.oldTime=this.startTime,this.elapsedTime=0,this.running=!0}stop(){this.getElapsedTime(),this.running=!1,this.autoStart=!1}getElapsedTime(){return this.getDelta(),this.elapsedTime}getDelta(){let e=0;if(this.autoStart&&!this.running)return this.start(),0;if(this.running){let t=cb();e=(t-this.oldTime)/1e3,this.oldTime=t,this.elapsedTime+=e}return e}}function cb(){return("undefined"==typeof performance?Date:performance).now()}let cT=new no,cE=new ns,cw=new no,cA=new no;class cC extends re{constructor(){super(),this.type="AudioListener",this.context=cg.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._clock=new cS}getInput(){return this.gain}removeFilter(){return null!==this.filter&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(e){return null!==this.filter?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=e,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(e){return this.gain.gain.setTargetAtTime(e,this.context.currentTime,.01),this}updateMatrixWorld(e){super.updateMatrixWorld(e);let t=this.context.listener,i=this.up;if(this.timeDelta=this._clock.getDelta(),this.matrixWorld.decompose(cT,cE,cw),cA.set(0,0,-1).applyQuaternion(cE),t.positionX){let e=this.context.currentTime+this.timeDelta;t.positionX.linearRampToValueAtTime(cT.x,e),t.positionY.linearRampToValueAtTime(cT.y,e),t.positionZ.linearRampToValueAtTime(cT.z,e),t.forwardX.linearRampToValueAtTime(cA.x,e),t.forwardY.linearRampToValueAtTime(cA.y,e),t.forwardZ.linearRampToValueAtTime(cA.z,e),t.upX.linearRampToValueAtTime(i.x,e),t.upY.linearRampToValueAtTime(i.y,e),t.upZ.linearRampToValueAtTime(i.z,e)}else t.setPosition(cT.x,cT.y,cT.z),t.setOrientation(cA.x,cA.y,cA.z,i.x,i.y,i.z)}}class cR extends re{constructor(e){super(),this.type="Audio",this.listener=e,this.context=e.context,this.gain=this.context.createGain(),this.gain.connect(e.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(e){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=e,this.connect(),this}setMediaElementSource(e){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(e),this.connect(),this}setMediaStreamSource(e){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(e),this.connect(),this}setBuffer(e){return this.buffer=e,this.sourceType="buffer",this.autoplay&&this.play(),this}play(e=0){if(!0===this.isPlaying){console.warn("THREE.Audio: Audio is already playing.");return}if(!1===this.hasPlaybackControl){console.warn("THREE.Audio: this Audio has no playback control.");return}this._startedAt=this.context.currentTime+e;let t=this.context.createBufferSource();return t.buffer=this.buffer,t.loop=this.loop,t.loopStart=this.loopStart,t.loopEnd=this.loopEnd,t.onended=this.onEnded.bind(this),t.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=t,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(!1===this.hasPlaybackControl){console.warn("THREE.Audio: this Audio has no playback control.");return}return!0===this.isPlaying&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,!0===this.loop&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this}stop(){if(!1===this.hasPlaybackControl){console.warn("THREE.Audio: this Audio has no playback control.");return}return this._progress=0,null!==this.source&&(this.source.stop(),this.source.onended=null),this.isPlaying=!1,this}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let e=1,t=this.filters.length;e<t;e++)this.filters[e-1].connect(this.filters[e]);this.filters[this.filters.length-1].connect(this.getOutput())}else this.source.connect(this.getOutput());return this._connected=!0,this}disconnect(){if(!1!==this._connected){if(this.filters.length>0){this.source.disconnect(this.filters[0]);for(let e=1,t=this.filters.length;e<t;e++)this.filters[e-1].disconnect(this.filters[e]);this.filters[this.filters.length-1].disconnect(this.getOutput())}else this.source.disconnect(this.getOutput());return this._connected=!1,this}}getFilters(){return this.filters}setFilters(e){return e||(e=[]),!0===this._connected?(this.disconnect(),this.filters=e.slice(),this.connect()):this.filters=e.slice(),this}setDetune(e){return this.detune=e,!0===this.isPlaying&&void 0!==this.source.detune&&this.source.detune.setTargetAtTime(this.detune,this.context.currentTime,.01),this}getDetune(){return this.detune}getFilter(){return this.getFilters()[0]}setFilter(e){return this.setFilters(e?[e]:[])}setPlaybackRate(e){if(!1===this.hasPlaybackControl){console.warn("THREE.Audio: this Audio has no playback control.");return}return this.playbackRate=e,!0===this.isPlaying&&this.source.playbackRate.setTargetAtTime(this.playbackRate,this.context.currentTime,.01),this}getPlaybackRate(){return this.playbackRate}onEnded(){this.isPlaying=!1}getLoop(){return!1===this.hasPlaybackControl?(console.warn("THREE.Audio: this Audio has no playback control."),!1):this.loop}setLoop(e){if(!1===this.hasPlaybackControl){console.warn("THREE.Audio: this Audio has no playback control.");return}return this.loop=e,!0===this.isPlaying&&(this.source.loop=this.loop),this}setLoopStart(e){return this.loopStart=e,this}setLoopEnd(e){return this.loopEnd=e,this}getVolume(){return this.gain.gain.value}setVolume(e){return this.gain.gain.setTargetAtTime(e,this.context.currentTime,.01),this}}let cP=new no,cL=new ns,cI=new no,cU=new no;class cN extends cR{constructor(e){super(e),this.panner=this.context.createPanner(),this.panner.panningModel="HRTF",this.panner.connect(this.gain)}connect(){super.connect(),this.panner.connect(this.gain)}disconnect(){super.disconnect(),this.panner.disconnect(this.gain)}getOutput(){return this.panner}getRefDistance(){return this.panner.refDistance}setRefDistance(e){return this.panner.refDistance=e,this}getRolloffFactor(){return this.panner.rolloffFactor}setRolloffFactor(e){return this.panner.rolloffFactor=e,this}getDistanceModel(){return this.panner.distanceModel}setDistanceModel(e){return this.panner.distanceModel=e,this}getMaxDistance(){return this.panner.maxDistance}setMaxDistance(e){return this.panner.maxDistance=e,this}setDirectionalCone(e,t,i){return this.panner.coneInnerAngle=e,this.panner.coneOuterAngle=t,this.panner.coneOuterGain=i,this}updateMatrixWorld(e){if(super.updateMatrixWorld(e),!0===this.hasPlaybackControl&&!1===this.isPlaying)return;this.matrixWorld.decompose(cP,cL,cI),cU.set(0,0,1).applyQuaternion(cL);let t=this.panner;if(t.positionX){let e=this.context.currentTime+this.listener.timeDelta;t.positionX.linearRampToValueAtTime(cP.x,e),t.positionY.linearRampToValueAtTime(cP.y,e),t.positionZ.linearRampToValueAtTime(cP.z,e),t.orientationX.linearRampToValueAtTime(cU.x,e),t.orientationY.linearRampToValueAtTime(cU.y,e),t.orientationZ.linearRampToValueAtTime(cU.z,e)}else t.setPosition(cP.x,cP.y,cP.z),t.setOrientation(cU.x,cU.y,cU.z)}}class cD{constructor(e,t=2048){this.analyser=e.context.createAnalyser(),this.analyser.fftSize=t,this.data=new Uint8Array(this.analyser.frequencyBinCount),e.getOutput().connect(this.analyser)}getFrequencyData(){return this.analyser.getByteFrequencyData(this.data),this.data}getAverageFrequency(){let e=0,t=this.getFrequencyData();for(let i=0;i<t.length;i++)e+=t[i];return e/t.length}}class cO{constructor(e,t,i){let n,r,a;switch(this.binding=e,this.valueSize=i,t){case"quaternion":n=this._slerp,r=this._slerpAdditive,a=this._setAdditiveIdentityQuaternion,this.buffer=new Float64Array(6*i),this._workIndex=5;break;case"string":case"bool":n=this._select,r=this._select,a=this._setAdditiveIdentityOther,this.buffer=Array(5*i);break;default:n=this._lerp,r=this._lerpAdditive,a=this._setAdditiveIdentityNumeric,this.buffer=new Float64Array(5*i)}this._mixBufferRegion=n,this._mixBufferRegionAdditive=r,this._setIdentity=a,this._origIndex=3,this._addIndex=4,this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,this.useCount=0,this.referenceCount=0}accumulate(e,t){let i=this.buffer,n=this.valueSize,r=e*n+n,a=this.cumulativeWeight;if(0===a){for(let e=0;e!==n;++e)i[r+e]=i[e];a=t}else{a+=t;let e=t/a;this._mixBufferRegion(i,r,0,e,n)}this.cumulativeWeight=a}accumulateAdditive(e){let t=this.buffer,i=this.valueSize,n=i*this._addIndex;0===this.cumulativeWeightAdditive&&this._setIdentity(),this._mixBufferRegionAdditive(t,n,0,e,i),this.cumulativeWeightAdditive+=e}apply(e){let t=this.valueSize,i=this.buffer,n=e*t+t,r=this.cumulativeWeight,a=this.cumulativeWeightAdditive,s=this.binding;if(this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,r<1){let e=t*this._origIndex;this._mixBufferRegion(i,n,e,1-r,t)}a>0&&this._mixBufferRegionAdditive(i,n,this._addIndex*t,1,t);for(let e=t,r=t+t;e!==r;++e)if(i[e]!==i[e+t]){s.setValue(i,n);break}}saveOriginalState(){let e=this.binding,t=this.buffer,i=this.valueSize,n=i*this._origIndex;e.getValue(t,n);for(let e=i;e!==n;++e)t[e]=t[n+e%i];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){let e=3*this.valueSize;this.binding.setValue(this.buffer,e)}_setAdditiveIdentityNumeric(){let e=this._addIndex*this.valueSize,t=e+this.valueSize;for(let i=e;i<t;i++)this.buffer[i]=0}_setAdditiveIdentityQuaternion(){this._setAdditiveIdentityNumeric(),this.buffer[this._addIndex*this.valueSize+3]=1}_setAdditiveIdentityOther(){let e=this._origIndex*this.valueSize,t=this._addIndex*this.valueSize;for(let i=0;i<this.valueSize;i++)this.buffer[t+i]=this.buffer[e+i]}_select(e,t,i,n,r){if(n>=.5)for(let n=0;n!==r;++n)e[t+n]=e[i+n]}_slerp(e,t,i,n){ns.slerpFlat(e,t,e,t,e,i,n)}_slerpAdditive(e,t,i,n,r){let a=this._workIndex*r;ns.multiplyQuaternionsFlat(e,a,e,t,e,i),ns.slerpFlat(e,t,e,t,e,a,n)}_lerp(e,t,i,n,r){let a=1-n;for(let s=0;s!==r;++s){let r=t+s;e[r]=e[r]*a+e[i+s]*n}}_lerpAdditive(e,t,i,n,r){for(let a=0;a!==r;++a){let r=t+a;e[r]=e[r]+e[i+a]*n}}}let cF="\\[\\]\\.:\\/",cB=RegExp("["+cF+"]","g"),cz="[^"+cF+"]",ck="[^"+cF.replace("\\.","")+"]",cV=/((?:WC+[\/:])*)/.source.replace("WC",cz),cH=RegExp("^"+cV+/(WCOD+)?/.source.replace("WCOD",ck)+/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",cz)+/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",cz)+"$"),cG=["material","materials","bones","map"];class cW{constructor(e,t,i){let n=i||cX.parseTrackName(t);this._targetGroup=e,this._bindings=e.subscribe_(t,n)}getValue(e,t){this.bind();let i=this._targetGroup.nCachedObjects_,n=this._bindings[i];void 0!==n&&n.getValue(e,t)}setValue(e,t){let i=this._bindings;for(let n=this._targetGroup.nCachedObjects_,r=i.length;n!==r;++n)i[n].setValue(e,t)}bind(){let e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,i=e.length;t!==i;++t)e[t].bind()}unbind(){let e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,i=e.length;t!==i;++t)e[t].unbind()}}class cX{constructor(e,t,i){this.path=t,this.parsedPath=i||cX.parseTrackName(t),this.node=cX.findNode(e,this.parsedPath.nodeName),this.rootNode=e,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(e,t,i){return e&&e.isAnimationObjectGroup?new cX.Composite(e,t,i):new cX(e,t,i)}static sanitizeNodeName(e){return e.replace(/\s/g,"_").replace(cB,"")}static parseTrackName(e){let t=cH.exec(e);if(null===t)throw Error("PropertyBinding: Cannot parse trackName: "+e);let i={nodeName:t[2],objectName:t[3],objectIndex:t[4],propertyName:t[5],propertyIndex:t[6]},n=i.nodeName&&i.nodeName.lastIndexOf(".");if(void 0!==n&&-1!==n){let e=i.nodeName.substring(n+1);-1!==cG.indexOf(e)&&(i.nodeName=i.nodeName.substring(0,n),i.objectName=e)}if(null===i.propertyName||0===i.propertyName.length)throw Error("PropertyBinding: can not parse propertyName from trackName: "+e);return i}static findNode(e,t){if(void 0===t||""===t||"."===t||-1===t||t===e.name||t===e.uuid)return e;if(e.skeleton){let i=e.skeleton.getBoneByName(t);if(void 0!==i)return i}if(e.children){let i=function(e){for(let n=0;n<e.length;n++){let r=e[n];if(r.name===t||r.uuid===t)return r;let a=i(r.children);if(a)return a}return null},n=i(e.children);if(n)return n}return null}_getValue_unavailable(){}_setValue_unavailable(){}_getValue_direct(e,t){e[t]=this.targetObject[this.propertyName]}_getValue_array(e,t){let i=this.resolvedProperty;for(let n=0,r=i.length;n!==r;++n)e[t++]=i[n]}_getValue_arrayElement(e,t){e[t]=this.resolvedProperty[this.propertyIndex]}_getValue_toArray(e,t){this.resolvedProperty.toArray(e,t)}_setValue_direct(e,t){this.targetObject[this.propertyName]=e[t]}_setValue_direct_setNeedsUpdate(e,t){this.targetObject[this.propertyName]=e[t],this.targetObject.needsUpdate=!0}_setValue_direct_setMatrixWorldNeedsUpdate(e,t){this.targetObject[this.propertyName]=e[t],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_array(e,t){let i=this.resolvedProperty;for(let n=0,r=i.length;n!==r;++n)i[n]=e[t++]}_setValue_array_setNeedsUpdate(e,t){let i=this.resolvedProperty;for(let n=0,r=i.length;n!==r;++n)i[n]=e[t++];this.targetObject.needsUpdate=!0}_setValue_array_setMatrixWorldNeedsUpdate(e,t){let i=this.resolvedProperty;for(let n=0,r=i.length;n!==r;++n)i[n]=e[t++];this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_arrayElement(e,t){this.resolvedProperty[this.propertyIndex]=e[t]}_setValue_arrayElement_setNeedsUpdate(e,t){this.resolvedProperty[this.propertyIndex]=e[t],this.targetObject.needsUpdate=!0}_setValue_arrayElement_setMatrixWorldNeedsUpdate(e,t){this.resolvedProperty[this.propertyIndex]=e[t],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_fromArray(e,t){this.resolvedProperty.fromArray(e,t)}_setValue_fromArray_setNeedsUpdate(e,t){this.resolvedProperty.fromArray(e,t),this.targetObject.needsUpdate=!0}_setValue_fromArray_setMatrixWorldNeedsUpdate(e,t){this.resolvedProperty.fromArray(e,t),this.targetObject.matrixWorldNeedsUpdate=!0}_getValue_unbound(e,t){this.bind(),this.getValue(e,t)}_setValue_unbound(e,t){this.bind(),this.setValue(e,t)}bind(){let e=this.node,t=this.parsedPath,i=t.objectName,n=t.propertyName,r=t.propertyIndex;if(e||(e=cX.findNode(this.rootNode,t.nodeName),this.node=e),this.getValue=this._getValue_unavailable,this.setValue=this._setValue_unavailable,!e){console.warn("THREE.PropertyBinding: No target node found for track: "+this.path+".");return}if(i){let n=t.objectIndex;switch(i){case"materials":if(!e.material){console.error("THREE.PropertyBinding: Can not bind to material as node does not have a material.",this);return}if(!e.material.materials){console.error("THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.",this);return}e=e.material.materials;break;case"bones":if(!e.skeleton){console.error("THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.",this);return}e=e.skeleton.bones;for(let t=0;t<e.length;t++)if(e[t].name===n){n=t;break}break;case"map":if("map"in e){e=e.map;break}if(!e.material){console.error("THREE.PropertyBinding: Can not bind to material as node does not have a material.",this);return}if(!e.material.map){console.error("THREE.PropertyBinding: Can not bind to material.map as node.material does not have a map.",this);return}e=e.material.map;break;default:if(void 0===e[i]){console.error("THREE.PropertyBinding: Can not bind to objectName of node undefined.",this);return}e=e[i]}if(void 0!==n){if(void 0===e[n]){console.error("THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.",this,e);return}e=e[n]}}let a=e[n];if(void 0===a){console.error("THREE.PropertyBinding: Trying to update property for track: "+t.nodeName+"."+n+" but it wasn't found.",e);return}let s=this.Versioning.None;this.targetObject=e,void 0!==e.needsUpdate?s=this.Versioning.NeedsUpdate:void 0!==e.matrixWorldNeedsUpdate&&(s=this.Versioning.MatrixWorldNeedsUpdate);let o=this.BindingType.Direct;if(void 0!==r){if("morphTargetInfluences"===n){if(!e.geometry){console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.",this);return}if(!e.geometry.morphAttributes){console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.",this);return}void 0!==e.morphTargetDictionary[r]&&(r=e.morphTargetDictionary[r])}o=this.BindingType.ArrayElement,this.resolvedProperty=a,this.propertyIndex=r}else void 0!==a.fromArray&&void 0!==a.toArray?(o=this.BindingType.HasFromToArray,this.resolvedProperty=a):Array.isArray(a)?(o=this.BindingType.EntireArray,this.resolvedProperty=a):this.propertyName=n;this.getValue=this.GetterByBindingType[o],this.setValue=this.SetterByBindingTypeAndVersioning[o][s]}unbind(){this.node=null,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}}cX.Composite=cW,cX.prototype.BindingType={Direct:0,EntireArray:1,ArrayElement:2,HasFromToArray:3},cX.prototype.Versioning={None:0,NeedsUpdate:1,MatrixWorldNeedsUpdate:2},cX.prototype.GetterByBindingType=[cX.prototype._getValue_direct,cX.prototype._getValue_array,cX.prototype._getValue_arrayElement,cX.prototype._getValue_toArray],cX.prototype.SetterByBindingTypeAndVersioning=[[cX.prototype._setValue_direct,cX.prototype._setValue_direct_setNeedsUpdate,cX.prototype._setValue_direct_setMatrixWorldNeedsUpdate],[cX.prototype._setValue_array,cX.prototype._setValue_array_setNeedsUpdate,cX.prototype._setValue_array_setMatrixWorldNeedsUpdate],[cX.prototype._setValue_arrayElement,cX.prototype._setValue_arrayElement_setNeedsUpdate,cX.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate],[cX.prototype._setValue_fromArray,cX.prototype._setValue_fromArray_setNeedsUpdate,cX.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate]];class cj{constructor(){this.isAnimationObjectGroup=!0,this.uuid=iU(),this._objects=Array.prototype.slice.call(arguments),this.nCachedObjects_=0;let e={};this._indicesByUUID=e;for(let t=0,i=arguments.length;t!==i;++t)e[arguments[t].uuid]=t;this._paths=[],this._parsedPaths=[],this._bindings=[],this._bindingsIndicesByPath={};let t=this;this.stats={objects:{get total(){return t._objects.length},get inUse(){return this.total-t.nCachedObjects_}},get bindingsPerObject(){return t._bindings.length}}}add(){let e=this._objects,t=this._indicesByUUID,i=this._paths,n=this._parsedPaths,r=this._bindings,a=r.length,s,o=e.length,l=this.nCachedObjects_;for(let h=0,u=arguments.length;h!==u;++h){let u=arguments[h],c=u.uuid,d=t[c];if(void 0===d){d=o++,t[c]=d,e.push(u);for(let e=0;e!==a;++e)r[e].push(new cX(u,i[e],n[e]))}else if(d<l){s=e[d];let o=--l,h=e[o];t[h.uuid]=d,e[d]=h,t[c]=o,e[o]=u;for(let e=0;e!==a;++e){let t=r[e],a=t[o],s=t[d];t[d]=a,void 0===s&&(s=new cX(u,i[e],n[e])),t[o]=s}}else e[d]!==s&&console.error("THREE.AnimationObjectGroup: Different objects with the same UUID detected. Clean the caches or recreate your infrastructure when reloading scenes.")}this.nCachedObjects_=l}remove(){let e=this._objects,t=this._indicesByUUID,i=this._bindings,n=i.length,r=this.nCachedObjects_;for(let a=0,s=arguments.length;a!==s;++a){let s=arguments[a],o=s.uuid,l=t[o];if(void 0!==l&&l>=r){let a=r++,h=e[a];t[h.uuid]=l,e[l]=h,t[o]=a,e[a]=s;for(let e=0;e!==n;++e){let t=i[e],n=t[a],r=t[l];t[l]=n,t[a]=r}}}this.nCachedObjects_=r}uncache(){let e=this._objects,t=this._indicesByUUID,i=this._bindings,n=i.length,r=this.nCachedObjects_,a=e.length;for(let s=0,o=arguments.length;s!==o;++s){let o=arguments[s],l=o.uuid,h=t[l];if(void 0!==h){if(delete t[l],h<r){let s=--r,o=e[s],l=--a,u=e[l];t[o.uuid]=h,e[h]=o,t[u.uuid]=s,e[s]=u,e.pop();for(let e=0;e!==n;++e){let t=i[e],n=t[s],r=t[l];t[h]=n,t[s]=r,t.pop()}}else{let r=--a,s=e[r];r>0&&(t[s.uuid]=h),e[h]=s,e.pop();for(let e=0;e!==n;++e){let t=i[e];t[h]=t[r],t.pop()}}}}this.nCachedObjects_=r}subscribe_(e,t){let i=this._bindingsIndicesByPath,n=i[e],r=this._bindings;if(void 0!==n)return r[n];let a=this._paths,s=this._parsedPaths,o=this._objects,l=o.length,h=this.nCachedObjects_,u=Array(l);n=r.length,i[e]=n,a.push(e),s.push(t),r.push(u);for(let i=h,n=o.length;i!==n;++i){let n=o[i];u[i]=new cX(n,e,t)}return u}unsubscribe_(e){let t=this._bindingsIndicesByPath,i=t[e];if(void 0!==i){let n=this._paths,r=this._parsedPaths,a=this._bindings,s=a.length-1,o=a[s];t[e[s]]=i,a[i]=o,a.pop(),r[i]=r[s],r.pop(),n[i]=n[s],n.pop()}}}class cq{constructor(e,t,i=null,n=t.blendMode){this._mixer=e,this._clip=t,this._localRoot=i,this.blendMode=n;let r=t.tracks,a=r.length,s=Array(a),o={endingStart:tI,endingEnd:tI};for(let e=0;e!==a;++e){let t=r[e].createInterpolant(null);s[e]=t,t.settings=o}this._interpolantSettings=o,this._interpolants=s,this._propertyBindings=Array(a),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=tA,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}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&0!==this.timeScale&&null===this._startTime&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(e){return this._startTime=e,this}setLoop(e,t){return this.loop=e,this.repetitions=t,this}setEffectiveWeight(e){return this.weight=e,this._effectiveWeight=this.enabled?e:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(e){return this._scheduleFading(e,0,1)}fadeOut(e){return this._scheduleFading(e,1,0)}crossFadeFrom(e,t,i){if(e.fadeOut(t),this.fadeIn(t),i){let i=this._clip.duration,n=e._clip.duration;e.warp(1,n/i,t),this.warp(i/n,1,t)}return this}crossFadeTo(e,t,i){return e.crossFadeFrom(this,t,i)}stopFading(){let e=this._weightInterpolant;return null!==e&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}setEffectiveTimeScale(e){return this.timeScale=e,this._effectiveTimeScale=this.paused?0:e,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(e){return this.timeScale=this._clip.duration/e,this.stopWarping()}syncWith(e){return this.time=e.time,this.timeScale=e.timeScale,this.stopWarping()}halt(e){return this.warp(this._effectiveTimeScale,0,e)}warp(e,t,i){let n=this._mixer,r=n.time,a=this.timeScale,s=this._timeScaleInterpolant;null===s&&(s=n._lendControlInterpolant(),this._timeScaleInterpolant=s);let o=s.parameterPositions,l=s.sampleValues;return o[0]=r,o[1]=r+i,l[0]=e/a,l[1]=t/a,this}stopWarping(){let e=this._timeScaleInterpolant;return null!==e&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(e,t,i,n){if(!this.enabled){this._updateWeight(e);return}let r=this._startTime;if(null!==r){let n=(e-r)*i;n<0||0===i?t=0:(this._startTime=null,t=i*n)}t*=this._updateTimeScale(e);let a=this._updateTime(t),s=this._updateWeight(e);if(s>0){let e=this._interpolants,t=this._propertyBindings;if(this.blendMode===tO)for(let i=0,n=e.length;i!==n;++i)e[i].evaluate(a),t[i].accumulateAdditive(s);else for(let i=0,r=e.length;i!==r;++i)e[i].evaluate(a),t[i].accumulate(n,s)}}_updateWeight(e){let t=0;if(this.enabled){t=this.weight;let i=this._weightInterpolant;if(null!==i){let n=i.evaluate(e)[0];t*=n,e>i.parameterPositions[1]&&(this.stopFading(),0===n&&(this.enabled=!1))}}return this._effectiveWeight=t,t}_updateTimeScale(e){let t=0;if(!this.paused){t=this.timeScale;let i=this._timeScaleInterpolant;null!==i&&(t*=i.evaluate(e)[0],e>i.parameterPositions[1]&&(this.stopWarping(),0===t?this.paused=!0:this.timeScale=t))}return this._effectiveTimeScale=t,t}_updateTime(e){let t=this._clip.duration,i=this.loop,n=this.time+e,r=this._loopCount,a=i===tC;if(0===e)return -1===r?n:a&&(1&r)==1?t-n:n;if(i===tw){-1===r&&(this._loopCount=0,this._setEndings(!0,!0,!1));r:{if(n>=t)n=t;else if(n<0)n=0;else{this.time=n;break r}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=n,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)),n>=t||n<0){let i=Math.floor(n/t);n-=t*i,r+=Math.abs(i);let s=this.repetitions-r;if(s<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,n=e>0?t:0,this.time=n,this._mixer.dispatchEvent({type:"finished",action:this,direction:e>0?1:-1});else{if(1===s){let t=e<0;this._setEndings(t,!t,a)}else this._setEndings(!1,!1,a);this._loopCount=r,this.time=n,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:i})}}else this.time=n;if(a&&(1&r)==1)return t-n}return n}_setEndings(e,t,i){let n=this._interpolantSettings;i?(n.endingStart=tU,n.endingEnd=tU):(e?n.endingStart=this.zeroSlopeAtStart?tU:tI:n.endingStart=tN,t?n.endingEnd=this.zeroSlopeAtEnd?tU:tI:n.endingEnd=tN)}_scheduleFading(e,t,i){let n=this._mixer,r=n.time,a=this._weightInterpolant;null===a&&(a=n._lendControlInterpolant(),this._weightInterpolant=a);let s=a.parameterPositions,o=a.sampleValues;return s[0]=r,o[0]=t,s[1]=r+e,o[1]=i,this}}let cY=new Float32Array(1);class cZ extends iC{constructor(e){super(),this._root=e,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1}_bindAction(e,t){let i=e._localRoot||this._root,n=e._clip.tracks,r=n.length,a=e._propertyBindings,s=e._interpolants,o=i.uuid,l=this._bindingsByRootAndName,h=l[o];void 0===h&&(h={},l[o]=h);for(let e=0;e!==r;++e){let r=n[e],l=r.name,u=h[l];if(void 0!==u)++u.referenceCount,a[e]=u;else{if(void 0!==(u=a[e])){null===u._cacheIndex&&(++u.referenceCount,this._addInactiveBinding(u,o,l));continue}let n=t&&t._propertyBindings[e].binding.parsedPath;u=new cO(cX.create(i,l,n),r.ValueTypeName,r.getValueSize()),++u.referenceCount,this._addInactiveBinding(u,o,l),a[e]=u}s[e].resultBuffer=u.buffer}}_activateAction(e){if(!this._isActiveAction(e)){if(null===e._cacheIndex){let t=(e._localRoot||this._root).uuid,i=e._clip.uuid,n=this._actionsByClip[i];this._bindAction(e,n&&n.knownActions[0]),this._addInactiveAction(e,i,t)}let t=e._propertyBindings;for(let e=0,i=t.length;e!==i;++e){let i=t[e];0==i.useCount++&&(this._lendBinding(i),i.saveOriginalState())}this._lendAction(e)}}_deactivateAction(e){if(this._isActiveAction(e)){let t=e._propertyBindings;for(let e=0,i=t.length;e!==i;++e){let i=t[e];0==--i.useCount&&(i.restoreOriginalState(),this._takeBackBinding(i))}this._takeBackAction(e)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;let 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(e){let t=e._cacheIndex;return null!==t&&t<this._nActiveActions}_addInactiveAction(e,t,i){let n=this._actions,r=this._actionsByClip,a=r[t];if(void 0===a)a={knownActions:[e],actionByRoot:{}},e._byClipCacheIndex=0,r[t]=a;else{let t=a.knownActions;e._byClipCacheIndex=t.length,t.push(e)}e._cacheIndex=n.length,n.push(e),a.actionByRoot[i]=e}_removeInactiveAction(e){let t=this._actions,i=t[t.length-1],n=e._cacheIndex;i._cacheIndex=n,t[n]=i,t.pop(),e._cacheIndex=null;let r=e._clip.uuid,a=this._actionsByClip,s=a[r],o=s.knownActions,l=o[o.length-1],h=e._byClipCacheIndex;l._byClipCacheIndex=h,o[h]=l,o.pop(),e._byClipCacheIndex=null;let u=s.actionByRoot,c=(e._localRoot||this._root).uuid;delete u[c],0===o.length&&delete a[r],this._removeInactiveBindingsForAction(e)}_removeInactiveBindingsForAction(e){let t=e._propertyBindings;for(let e=0,i=t.length;e!==i;++e){let i=t[e];0==--i.referenceCount&&this._removeInactiveBinding(i)}}_lendAction(e){let t=this._actions,i=e._cacheIndex,n=this._nActiveActions++,r=t[n];e._cacheIndex=n,t[n]=e,r._cacheIndex=i,t[i]=r}_takeBackAction(e){let t=this._actions,i=e._cacheIndex,n=--this._nActiveActions,r=t[n];e._cacheIndex=n,t[n]=e,r._cacheIndex=i,t[i]=r}_addInactiveBinding(e,t,i){let n=this._bindingsByRootAndName,r=this._bindings,a=n[t];void 0===a&&(a={},n[t]=a),a[i]=e,e._cacheIndex=r.length,r.push(e)}_removeInactiveBinding(e){let t=this._bindings,i=e.binding,n=i.rootNode.uuid,r=i.path,a=this._bindingsByRootAndName,s=a[n],o=t[t.length-1],l=e._cacheIndex;o._cacheIndex=l,t[l]=o,t.pop(),delete s[r],0===Object.keys(s).length&&delete a[n]}_lendBinding(e){let t=this._bindings,i=e._cacheIndex,n=this._nActiveBindings++,r=t[n];e._cacheIndex=n,t[n]=e,r._cacheIndex=i,t[i]=r}_takeBackBinding(e){let t=this._bindings,i=e._cacheIndex,n=--this._nActiveBindings,r=t[n];e._cacheIndex=n,t[n]=e,r._cacheIndex=i,t[i]=r}_lendControlInterpolant(){let e=this._controlInterpolants,t=this._nActiveControlInterpolants++,i=e[t];return void 0===i&&((i=new uC(new Float32Array(2),new Float32Array(2),1,cY)).__cacheIndex=t,e[t]=i),i}_takeBackControlInterpolant(e){let t=this._controlInterpolants,i=e.__cacheIndex,n=--this._nActiveControlInterpolants,r=t[n];e.__cacheIndex=n,t[n]=e,r.__cacheIndex=i,t[i]=r}clipAction(e,t,i){let n=t||this._root,r=n.uuid,a="string"==typeof e?uB.findByName(n,e):e,s=null!==a?a.uuid:e,o=this._actionsByClip[s],l=null;if(void 0===i&&(i=null!==a?a.blendMode:tD),void 0!==o){let e=o.actionByRoot[r];if(void 0!==e&&e.blendMode===i)return e;l=o.knownActions[0],null===a&&(a=l._clip)}if(null===a)return null;let h=new cq(this,a,t,i);return this._bindAction(h,l),this._addInactiveAction(h,s,r),h}existingAction(e,t){let i=t||this._root,n=i.uuid,r="string"==typeof e?uB.findByName(i,e):e,a=r?r.uuid:e,s=this._actionsByClip[a];return void 0!==s&&s.actionByRoot[n]||null}stopAllAction(){let e=this._actions,t=this._nActiveActions;for(let i=t-1;i>=0;--i)e[i].stop();return this}update(e){e*=this.timeScale;let t=this._actions,i=this._nActiveActions,n=this.time+=e,r=Math.sign(e),a=this._accuIndex^=1;for(let s=0;s!==i;++s)t[s]._update(n,e,r,a);let s=this._bindings,o=this._nActiveBindings;for(let e=0;e!==o;++e)s[e].apply(a);return this}setTime(e){this.time=0;for(let e=0;e<this._actions.length;e++)this._actions[e].time=0;return this.update(e)}getRoot(){return this._root}uncacheClip(e){let t=this._actions,i=e.uuid,n=this._actionsByClip,r=n[i];if(void 0!==r){let e=r.knownActions;for(let i=0,n=e.length;i!==n;++i){let n=e[i];this._deactivateAction(n);let r=n._cacheIndex,a=t[t.length-1];n._cacheIndex=null,n._byClipCacheIndex=null,a._cacheIndex=r,t[r]=a,t.pop(),this._removeInactiveBindingsForAction(n)}delete n[i]}}uncacheRoot(e){let t=e.uuid,i=this._actionsByClip;for(let e in i){let n=i[e].actionByRoot[t];void 0!==n&&(this._deactivateAction(n),this._removeInactiveAction(n))}let n=this._bindingsByRootAndName[t];if(void 0!==n)for(let e in n){let t=n[e];t.restoreOriginalState(),this._removeInactiveBinding(t)}}uncacheAction(e,t){let i=this.existingAction(e,t);null!==i&&(this._deactivateAction(i),this._removeInactiveAction(i))}}class cJ{constructor(e){this.value=e}clone(){return new cJ(void 0===this.value.clone?this.value:this.value.clone())}}let cK=0;class c$ extends iC{constructor(){super(),this.isUniformsGroup=!0,Object.defineProperty(this,"id",{value:cK++}),this.name="",this.usage=im,this.uniforms=[]}add(e){return this.uniforms.push(e),this}remove(e){let t=this.uniforms.indexOf(e);return -1!==t&&this.uniforms.splice(t,1),this}setName(e){return this.name=e,this}setUsage(e){return this.usage=e,this}dispose(){return this.dispatchEvent({type:"dispose"}),this}copy(e){this.name=e.name,this.usage=e.usage;let t=e.uniforms;this.uniforms.length=0;for(let e=0,i=t.length;e<i;e++){let i=Array.isArray(t[e])?t[e]:[t[e]];for(let e=0;e<i.length;e++)this.uniforms.push(i[e].clone())}return this}clone(){return new this.constructor().copy(this)}}class cQ extends oG{constructor(e,t,i=1){super(e,t),this.isInstancedInterleavedBuffer=!0,this.meshPerAttribute=i}copy(e){return super.copy(e),this.meshPerAttribute=e.meshPerAttribute,this}clone(e){let t=super.clone(e);return t.meshPerAttribute=this.meshPerAttribute,t}toJSON(e){let t=super.toJSON(e);return t.isInstancedInterleavedBuffer=!0,t.meshPerAttribute=this.meshPerAttribute,t}}class c0{constructor(e,t,i,n,r){this.isGLBufferAttribute=!0,this.name="",this.buffer=e,this.type=t,this.itemSize=i,this.elementSize=n,this.count=r,this.version=0}set needsUpdate(e){!0===e&&this.version++}setBuffer(e){return this.buffer=e,this}setType(e,t){return this.type=e,this.elementSize=t,this}setItemSize(e){return this.itemSize=e,this}setCount(e){return this.count=e,this}}let c1=new nF;class c2{constructor(e,t,i=0,n=1/0){this.ray=new nO(e,t),this.near=i,this.far=n,this.camera=null,this.layers=new nY,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}}}set(e,t){this.ray.set(e,t)}setFromCamera(e,t){t.isPerspectiveCamera?(this.ray.origin.setFromMatrixPosition(t.matrixWorld),this.ray.direction.set(e.x,e.y,.5).unproject(t).sub(this.ray.origin).normalize(),this.camera=t):t.isOrthographicCamera?(this.ray.origin.set(e.x,e.y,(t.near+t.far)/(t.near-t.far)).unproject(t),this.ray.direction.set(0,0,-1).transformDirection(t.matrixWorld),this.camera=t):console.error("THREE.Raycaster: Unsupported camera type: "+t.type)}setFromXRController(e){return c1.identity().extractRotation(e.matrixWorld),this.ray.origin.setFromMatrixPosition(e.matrixWorld),this.ray.direction.set(0,0,-1).applyMatrix4(c1),this}intersectObject(e,t=!0,i=[]){return c4(e,this,i,t),i.sort(c3),i}intersectObjects(e,t=!0,i=[]){for(let n=0,r=e.length;n<r;n++)c4(e[n],this,i,t);return i.sort(c3),i}}function c3(e,t){return e.distance-t.distance}function c4(e,t,i,n){let r=!0;if(e.layers.test(t.layers)&&!1===e.raycast(t,i)&&(r=!1),!0===r&&!0===n){let n=e.children;for(let e=0,r=n.length;e<r;e++)c4(n[e],t,i,!0)}}class c5{constructor(e=1,t=0,i=0){return this.radius=e,this.phi=t,this.theta=i,this}set(e,t,i){return this.radius=e,this.phi=t,this.theta=i,this}copy(e){return this.radius=e.radius,this.phi=e.phi,this.theta=e.theta,this}makeSafe(){return this.phi=Math.max(1e-6,Math.min(Math.PI-1e-6,this.phi)),this}setFromVector3(e){return this.setFromCartesianCoords(e.x,e.y,e.z)}setFromCartesianCoords(e,t,i){return this.radius=Math.sqrt(e*e+t*t+i*i),0===this.radius?(this.theta=0,this.phi=0):(this.theta=Math.atan2(e,i),this.phi=Math.acos(iN(t/this.radius,-1,1))),this}clone(){return new this.constructor().copy(this)}}class c6{constructor(e=1,t=0,i=0){return this.radius=e,this.theta=t,this.y=i,this}set(e,t,i){return this.radius=e,this.theta=t,this.y=i,this}copy(e){return this.radius=e.radius,this.theta=e.theta,this.y=e.y,this}setFromVector3(e){return this.setFromCartesianCoords(e.x,e.y,e.z)}setFromCartesianCoords(e,t,i){return this.radius=Math.sqrt(e*e+i*i),this.theta=Math.atan2(e,i),this.y=t,this}clone(){return new this.constructor().copy(this)}}let c8=new ik;class c9{constructor(e=new ik(Infinity,Infinity),t=new ik(-1/0,-1/0)){this.isBox2=!0,this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromPoints(e){this.makeEmpty();for(let t=0,i=e.length;t<i;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){let i=c8.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(i),this.max.copy(e).add(i),this}clone(){return new this.constructor().copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.max),this}makeEmpty(){return this.min.x=this.min.y=Infinity,this.max.x=this.max.y=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y}getCenter(e){return this.isEmpty()?e.set(0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(e){return this.isEmpty()?e.set(0,0):e.subVectors(this.max,this.min)}expandByPoint(e){return this.min.min(e),this.max.max(e),this}expandByVector(e){return this.min.sub(e),this.max.add(e),this}expandByScalar(e){return this.min.addScalar(-e),this.max.addScalar(e),this}containsPoint(e){return!(e.x<this.min.x)&&!(e.x>this.max.x)&&!(e.y<this.min.y)&&!(e.y>this.max.y)}containsBox(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(e,t){return 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(e){return!(e.max.x<this.min.x)&&!(e.min.x>this.max.x)&&!(e.max.y<this.min.y)&&!(e.min.y>this.max.y)}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,c8).distanceTo(e)}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}}let c7=new no,de=new no;class dt{constructor(e=new no,t=new no){this.start=e,this.end=t}set(e,t){return this.start.copy(e),this.end.copy(t),this}copy(e){return this.start.copy(e.start),this.end.copy(e.end),this}getCenter(e){return e.addVectors(this.start,this.end).multiplyScalar(.5)}delta(e){return e.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(e,t){return this.delta(t).multiplyScalar(e).add(this.start)}closestPointToPointParameter(e,t){c7.subVectors(e,this.start),de.subVectors(this.end,this.start);let i=de.dot(de),n=de.dot(c7)/i;return t&&(n=iN(n,0,1)),n}closestPointToPoint(e,t,i){let n=this.closestPointToPointParameter(e,t);return this.delta(i).multiplyScalar(n).add(this.start)}applyMatrix4(e){return this.start.applyMatrix4(e),this.end.applyMatrix4(e),this}equals(e){return e.start.equals(this.start)&&e.end.equals(this.end)}clone(){return new this.constructor().copy(this)}}let di=new no;class dn extends re{constructor(e,t){super(),this.light=e,this.matrixAutoUpdate=!1,this.color=t,this.type="SpotLightHelper";let i=new rW,n=[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];for(let e=0,t=1;e<32;e++,t++){let i=e/32*Math.PI*2,r=t/32*Math.PI*2;n.push(Math.cos(i),Math.sin(i),1,Math.cos(r),Math.sin(r),1)}i.setAttribute("position",new rO(n,3));let r=new lG({fog:!1,toneMapped:!1});this.cone=new l1(i,r),this.add(this.cone),this.update()}dispose(){this.cone.geometry.dispose(),this.cone.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),this.light.target.updateWorldMatrix(!0,!1),this.parent?(this.parent.updateWorldMatrix(!0),this.matrix.copy(this.parent.matrixWorld).invert().multiply(this.light.matrixWorld)):this.matrix.copy(this.light.matrixWorld),this.matrixWorld.copy(this.light.matrixWorld);let e=this.light.distance?this.light.distance:1e3,t=e*Math.tan(this.light.angle);this.cone.scale.set(t,t,e),di.setFromMatrixPosition(this.light.target.matrixWorld),this.cone.lookAt(di),void 0!==this.color?this.cone.material.color.set(this.color):this.cone.material.color.copy(this.light.color)}}let dr=new no,da=new nF,ds=new nF;class dl extends l1{constructor(e){let t=function e(t){let i=[];!0===t.isBone&&i.push(t);for(let n=0;n<t.children.length;n++)i.push.apply(i,e(t.children[n]));return i}(e),i=new rW,n=[],r=[],a=new rg(0,0,1),s=new rg(0,1,0);for(let e=0;e<t.length;e++){let i=t[e];i.parent&&i.parent.isBone&&(n.push(0,0,0),n.push(0,0,0),r.push(a.r,a.g,a.b),r.push(s.r,s.g,s.b))}i.setAttribute("position",new rO(n,3)),i.setAttribute("color",new rO(r,3)),super(i,new lG({vertexColors:!0,depthTest:!1,depthWrite:!1,toneMapped:!1,transparent:!0})),this.isSkeletonHelper=!0,this.type="SkeletonHelper",this.root=e,this.bones=t,this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1}updateMatrixWorld(e){let t=this.bones,i=this.geometry,n=i.getAttribute("position");ds.copy(this.root.matrixWorld).invert();for(let e=0,i=0;e<t.length;e++){let r=t[e];r.parent&&r.parent.isBone&&(da.multiplyMatrices(ds,r.matrixWorld),dr.setFromMatrixPosition(da),n.setXYZ(i,dr.x,dr.y,dr.z),da.multiplyMatrices(ds,r.parent.matrixWorld),dr.setFromMatrixPosition(da),n.setXYZ(i+1,dr.x,dr.y,dr.z),i+=2)}i.getAttribute("position").needsUpdate=!0,super.updateMatrixWorld(e)}dispose(){this.geometry.dispose(),this.material.dispose()}}class dh extends r9{constructor(e,t,i){super(new ui(t,4,2),new ry({wireframe:!0,fog:!1,toneMapped:!1})),this.light=e,this.color=i,this.type="PointLightHelper",this.matrix=this.light.matrixWorld,this.matrixAutoUpdate=!1,this.update()}dispose(){this.geometry.dispose(),this.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),void 0!==this.color?this.material.color.set(this.color):this.material.color.copy(this.light.color)}}let du=new no,dc=new rg,dd=new rg;class dp extends re{constructor(e,t,i){super(),this.light=e,this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.color=i,this.type="HemisphereLightHelper";let n=new h7(t);n.rotateY(.5*Math.PI),this.material=new ry({wireframe:!0,fog:!1,toneMapped:!1}),void 0===this.color&&(this.material.vertexColors=!0);let r=new Float32Array(3*n.getAttribute("position").count);n.setAttribute("color",new rA(r,3)),this.add(new r9(n,this.material)),this.update()}dispose(){this.children[0].geometry.dispose(),this.children[0].material.dispose()}update(){let e=this.children[0];if(void 0!==this.color)this.material.color.set(this.color);else{let t=e.geometry.getAttribute("color");dc.copy(this.light.color),dd.copy(this.light.groundColor);for(let e=0,i=t.count;e<i;e++){let n=e<i/2?dc:dd;t.setXYZ(e,n.r,n.g,n.b)}t.needsUpdate=!0}this.light.updateWorldMatrix(!0,!1),e.lookAt(du.setFromMatrixPosition(this.light.matrixWorld).negate())}}class df extends l1{constructor(e=10,t=10,i=4473924,n=8947848){i=new rg(i),n=new rg(n);let r=t/2,a=e/t,s=e/2,o=[],l=[];for(let e=0,h=0,u=-s;e<=t;e++,u+=a){o.push(-s,0,u,s,0,u),o.push(u,0,-s,u,0,s);let t=e===r?i:n;t.toArray(l,h),h+=3,t.toArray(l,h),h+=3,t.toArray(l,h),h+=3,t.toArray(l,h),h+=3}let h=new rW;h.setAttribute("position",new rO(o,3)),h.setAttribute("color",new rO(l,3)),super(h,new lG({vertexColors:!0,toneMapped:!1})),this.type="GridHelper"}dispose(){this.geometry.dispose(),this.material.dispose()}}class dm extends l1{constructor(e=10,t=16,i=8,n=64,r=4473924,a=8947848){r=new rg(r),a=new rg(a);let s=[],o=[];if(t>1)for(let i=0;i<t;i++){let n=i/t*(2*Math.PI),l=Math.sin(n)*e,h=Math.cos(n)*e;s.push(0,0,0),s.push(l,0,h);let u=1&i?r:a;o.push(u.r,u.g,u.b),o.push(u.r,u.g,u.b)}for(let t=0;t<i;t++){let l=1&t?r:a,h=e-e/i*t;for(let e=0;e<n;e++){let t=e/n*(2*Math.PI),i=Math.sin(t)*h,r=Math.cos(t)*h;s.push(i,0,r),o.push(l.r,l.g,l.b),i=Math.sin(t=(e+1)/n*(2*Math.PI))*h,r=Math.cos(t)*h,s.push(i,0,r),o.push(l.r,l.g,l.b)}}let l=new rW;l.setAttribute("position",new rO(s,3)),l.setAttribute("color",new rO(o,3)),super(l,new lG({vertexColors:!0,toneMapped:!1})),this.type="PolarGridHelper"}dispose(){this.geometry.dispose(),this.material.dispose()}}let dg=new no,d_=new no,dv=new no;class dx extends re{constructor(e,t,i){super(),this.light=e,this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.color=i,this.type="DirectionalLightHelper",void 0===t&&(t=1);let n=new rW;n.setAttribute("position",new rO([-t,t,0,t,t,0,t,-t,0,-t,-t,0,-t,t,0],3));let r=new lG({fog:!1,toneMapped:!1});this.lightPlane=new lK(n,r),this.add(this.lightPlane),(n=new rW).setAttribute("position",new rO([0,0,0,0,0,1],3)),this.targetLine=new lK(n,r),this.add(this.targetLine),this.update()}dispose(){this.lightPlane.geometry.dispose(),this.lightPlane.material.dispose(),this.targetLine.geometry.dispose(),this.targetLine.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),this.light.target.updateWorldMatrix(!0,!1),dg.setFromMatrixPosition(this.light.matrixWorld),d_.setFromMatrixPosition(this.light.target.matrixWorld),dv.subVectors(d_,dg),this.lightPlane.lookAt(d_),void 0!==this.color?(this.lightPlane.material.color.set(this.color),this.targetLine.material.color.set(this.color)):(this.lightPlane.material.color.copy(this.light.color),this.targetLine.material.color.copy(this.light.color)),this.targetLine.lookAt(d_),this.targetLine.scale.z=dv.length()}}let dy=new no,dM=new as;class dS extends l1{constructor(e){let t=new rW,i=new lG({color:16777215,vertexColors:!0,toneMapped:!1}),n=[],r=[],a={};function s(e,t){o(e),o(t)}function o(e){n.push(0,0,0),r.push(0,0,0),void 0===a[e]&&(a[e]=[]),a[e].push(n.length/3-1)}s("n1","n2"),s("n2","n4"),s("n4","n3"),s("n3","n1"),s("f1","f2"),s("f2","f4"),s("f4","f3"),s("f3","f1"),s("n1","f1"),s("n2","f2"),s("n3","f3"),s("n4","f4"),s("p","n1"),s("p","n2"),s("p","n3"),s("p","n4"),s("u1","u2"),s("u2","u3"),s("u3","u1"),s("c","t"),s("p","c"),s("cn1","cn2"),s("cn3","cn4"),s("cf1","cf2"),s("cf3","cf4"),t.setAttribute("position",new rO(n,3)),t.setAttribute("color",new rO(r,3)),super(t,i),this.type="CameraHelper",this.camera=e,this.camera.updateProjectionMatrix&&this.camera.updateProjectionMatrix(),this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.pointMap=a,this.update();let l=new rg(16755200),h=new rg(16711680),u=new rg(43775),c=new rg(16777215),d=new rg(3355443);this.setColors(l,h,u,c,d)}setColors(e,t,i,n,r){let a=this.geometry.getAttribute("color");a.setXYZ(0,e.r,e.g,e.b),a.setXYZ(1,e.r,e.g,e.b),a.setXYZ(2,e.r,e.g,e.b),a.setXYZ(3,e.r,e.g,e.b),a.setXYZ(4,e.r,e.g,e.b),a.setXYZ(5,e.r,e.g,e.b),a.setXYZ(6,e.r,e.g,e.b),a.setXYZ(7,e.r,e.g,e.b),a.setXYZ(8,e.r,e.g,e.b),a.setXYZ(9,e.r,e.g,e.b),a.setXYZ(10,e.r,e.g,e.b),a.setXYZ(11,e.r,e.g,e.b),a.setXYZ(12,e.r,e.g,e.b),a.setXYZ(13,e.r,e.g,e.b),a.setXYZ(14,e.r,e.g,e.b),a.setXYZ(15,e.r,e.g,e.b),a.setXYZ(16,e.r,e.g,e.b),a.setXYZ(17,e.r,e.g,e.b),a.setXYZ(18,e.r,e.g,e.b),a.setXYZ(19,e.r,e.g,e.b),a.setXYZ(20,e.r,e.g,e.b),a.setXYZ(21,e.r,e.g,e.b),a.setXYZ(22,e.r,e.g,e.b),a.setXYZ(23,e.r,e.g,e.b),a.setXYZ(24,t.r,t.g,t.b),a.setXYZ(25,t.r,t.g,t.b),a.setXYZ(26,t.r,t.g,t.b),a.setXYZ(27,t.r,t.g,t.b),a.setXYZ(28,t.r,t.g,t.b),a.setXYZ(29,t.r,t.g,t.b),a.setXYZ(30,t.r,t.g,t.b),a.setXYZ(31,t.r,t.g,t.b),a.setXYZ(32,i.r,i.g,i.b),a.setXYZ(33,i.r,i.g,i.b),a.setXYZ(34,i.r,i.g,i.b),a.setXYZ(35,i.r,i.g,i.b),a.setXYZ(36,i.r,i.g,i.b),a.setXYZ(37,i.r,i.g,i.b),a.setXYZ(38,n.r,n.g,n.b),a.setXYZ(39,n.r,n.g,n.b),a.setXYZ(40,r.r,r.g,r.b),a.setXYZ(41,r.r,r.g,r.b),a.setXYZ(42,r.r,r.g,r.b),a.setXYZ(43,r.r,r.g,r.b),a.setXYZ(44,r.r,r.g,r.b),a.setXYZ(45,r.r,r.g,r.b),a.setXYZ(46,r.r,r.g,r.b),a.setXYZ(47,r.r,r.g,r.b),a.setXYZ(48,r.r,r.g,r.b),a.setXYZ(49,r.r,r.g,r.b),a.needsUpdate=!0}update(){let e=this.geometry,t=this.pointMap;dM.projectionMatrixInverse.copy(this.camera.projectionMatrixInverse),db("c",t,e,dM,0,0,-1),db("t",t,e,dM,0,0,1),db("n1",t,e,dM,-1,-1,-1),db("n2",t,e,dM,1,-1,-1),db("n3",t,e,dM,-1,1,-1),db("n4",t,e,dM,1,1,-1),db("f1",t,e,dM,-1,-1,1),db("f2",t,e,dM,1,-1,1),db("f3",t,e,dM,-1,1,1),db("f4",t,e,dM,1,1,1),db("u1",t,e,dM,.7,1.1,-1),db("u2",t,e,dM,-.7,1.1,-1),db("u3",t,e,dM,0,2,-1),db("cf1",t,e,dM,-1,0,1),db("cf2",t,e,dM,1,0,1),db("cf3",t,e,dM,0,-1,1),db("cf4",t,e,dM,0,1,1),db("cn1",t,e,dM,-1,0,-1),db("cn2",t,e,dM,1,0,-1),db("cn3",t,e,dM,0,-1,-1),db("cn4",t,e,dM,0,1,-1),e.getAttribute("position").needsUpdate=!0}dispose(){this.geometry.dispose(),this.material.dispose()}}function db(e,t,i,n,r,a,s){dy.set(r,a,s).unproject(n);let o=t[e];if(void 0!==o){let e=i.getAttribute("position");for(let t=0,i=o.length;t<i;t++)e.setXYZ(o[t],dy.x,dy.y,dy.z)}}let dT=new nu;class dE extends l1{constructor(e,t=16776960){let i=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),n=new Float32Array(24),r=new rW;r.setIndex(new rA(i,1)),r.setAttribute("position",new rA(n,3)),super(r,new lG({color:t,toneMapped:!1})),this.object=e,this.type="BoxHelper",this.matrixAutoUpdate=!1,this.update()}update(e){if(void 0!==e&&console.warn("THREE.BoxHelper: .update() has no longer arguments."),void 0!==this.object&&dT.setFromObject(this.object),dT.isEmpty())return;let t=dT.min,i=dT.max,n=this.geometry.attributes.position,r=n.array;r[0]=i.x,r[1]=i.y,r[2]=i.z,r[3]=t.x,r[4]=i.y,r[5]=i.z,r[6]=t.x,r[7]=t.y,r[8]=i.z,r[9]=i.x,r[10]=t.y,r[11]=i.z,r[12]=i.x,r[13]=i.y,r[14]=t.z,r[15]=t.x,r[16]=i.y,r[17]=t.z,r[18]=t.x,r[19]=t.y,r[20]=t.z,r[21]=i.x,r[22]=t.y,r[23]=t.z,n.needsUpdate=!0,this.geometry.computeBoundingSphere()}setFromObject(e){return this.object=e,this.update(),this}copy(e,t){return super.copy(e,t),this.object=e.object,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class dw extends l1{constructor(e,t=16776960){let i=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),n=new rW;n.setIndex(new rA(i,1)),n.setAttribute("position",new rO([1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,-1,1,-1,-1,-1,-1,1,-1,-1],3)),super(n,new lG({color:t,toneMapped:!1})),this.box=e,this.type="Box3Helper",this.geometry.computeBoundingSphere()}updateMatrixWorld(e){let t=this.box;t.isEmpty()||(t.getCenter(this.position),t.getSize(this.scale),this.scale.multiplyScalar(.5),super.updateMatrixWorld(e))}dispose(){this.geometry.dispose(),this.material.dispose()}}class dA extends lK{constructor(e,t=1,i=16776960){let n=new rW;n.setAttribute("position",new rO([1,-1,0,-1,1,0,-1,-1,0,1,1,0,-1,1,0,-1,-1,0,1,-1,0,1,1,0],3)),n.computeBoundingSphere(),super(n,new lG({color:i,toneMapped:!1})),this.type="PlaneHelper",this.plane=e,this.size=t;let r=new rW;r.setAttribute("position",new rO([1,1,0,-1,1,0,-1,-1,0,1,1,0,-1,-1,0,1,-1,0],3)),r.computeBoundingSphere(),this.add(new r9(r,new ry({color:i,opacity:.2,transparent:!0,depthWrite:!1,toneMapped:!1})))}updateMatrixWorld(e){this.position.set(0,0,0),this.scale.set(.5*this.size,.5*this.size,1),this.lookAt(this.plane.normal),this.translateZ(-this.plane.constant),super.updateMatrixWorld(e)}dispose(){this.geometry.dispose(),this.material.dispose(),this.children[0].geometry.dispose(),this.children[0].material.dispose()}}let dC=new no;class dR extends re{constructor(e=new no(0,0,1),t=new no(0,0,0),i=1,n=16776960,r=.2*i,a=.2*r){super(),this.type="ArrowHelper",void 0===s&&((s=new rW).setAttribute("position",new rO([0,0,0,0,1,0],3)),(o=new hL(0,.5,1,5,1)).translate(0,-.5,0)),this.position.copy(t),this.line=new lK(s,new lG({color:n,toneMapped:!1})),this.line.matrixAutoUpdate=!1,this.add(this.line),this.cone=new r9(o,new ry({color:n,toneMapped:!1})),this.cone.matrixAutoUpdate=!1,this.add(this.cone),this.setDirection(e),this.setLength(i,r,a)}setDirection(e){if(e.y>.99999)this.quaternion.set(0,0,0,1);else if(e.y<-.99999)this.quaternion.set(1,0,0,0);else{dC.set(e.z,0,-e.x).normalize();let t=Math.acos(e.y);this.quaternion.setFromAxisAngle(dC,t)}}setLength(e,t=.2*e,i=.2*t){this.line.scale.set(1,Math.max(1e-4,e-t),1),this.line.updateMatrix(),this.cone.scale.set(i,t,i),this.cone.position.y=e,this.cone.updateMatrix()}setColor(e){this.line.material.color.set(e),this.cone.material.color.set(e)}copy(e){return super.copy(e,!1),this.line.copy(e.line),this.cone.copy(e.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}}class dP extends l1{constructor(e=1){let t=new rW;t.setAttribute("position",new rO([0,0,0,e,0,0,0,0,0,0,e,0,0,0,0,0,0,e],3)),t.setAttribute("color",new rO([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3)),super(t,new lG({vertexColors:!0,toneMapped:!1})),this.type="AxesHelper"}setColors(e,t,i){let n=new rg,r=this.geometry.attributes.color.array;return n.set(e),n.toArray(r,0),n.toArray(r,3),n.set(t),n.toArray(r,6),n.toArray(r,9),n.set(i),n.toArray(r,12),n.toArray(r,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class dL{constructor(){this.type="ShapePath",this.color=new rg,this.subPaths=[],this.currentPath=null}moveTo(e,t){return this.currentPath=new hA,this.subPaths.push(this.currentPath),this.currentPath.moveTo(e,t),this}lineTo(e,t){return this.currentPath.lineTo(e,t),this}quadraticCurveTo(e,t,i,n){return this.currentPath.quadraticCurveTo(e,t,i,n),this}bezierCurveTo(e,t,i,n,r,a){return this.currentPath.bezierCurveTo(e,t,i,n,r,a),this}splineThru(e){return this.currentPath.splineThru(e),this}toShapes(e){let t,i,n,r,a;let s=h3.isClockWise,o=this.subPaths;if(0===o.length)return[];let l=[];if(1===o.length)return i=o[0],(n=new hk).curves=i.curves,l.push(n),l;let h=!s(o[0].getPoints());h=e?!h:h;let u=[],c=[],d=[],p=0;c[0]=void 0,d[p]=[];for(let n=0,a=o.length;n<a;n++)t=s(r=(i=o[n]).getPoints()),(t=e?!t:t)?(!h&&c[p]&&p++,c[p]={s:new hk,p:r},c[p].s.curves=i.curves,h&&p++,d[p]=[]):d[p].push({h:i,p:r[0]});if(!c[0])return function(e){let t=[];for(let i=0,n=e.length;i<n;i++){let n=e[i],r=new hk;r.curves=n.curves,t.push(r)}return t}(o);if(c.length>1){let e=!1,t=0;for(let e=0,t=c.length;e<t;e++)u[e]=[];for(let i=0,n=c.length;i<n;i++){let n=d[i];for(let r=0;r<n.length;r++){let a=n[r],s=!0;for(let n=0;n<c.length;n++)(function(e,t){let i=t.length,n=!1;for(let r=i-1,a=0;a<i;r=a++){let i=t[r],s=t[a],o=s.x-i.x,l=s.y-i.y;if(Math.abs(l)>Number.EPSILON){if(l<0&&(i=t[a],o=-o,s=t[r],l=-l),e.y<i.y||e.y>s.y)continue;if(e.y===i.y){if(e.x===i.x)return!0}else{let t=l*(e.x-i.x)-o*(e.y-i.y);if(0===t)return!0;if(t<0)continue;n=!n}}else{if(e.y!==i.y)continue;if(s.x<=e.x&&e.x<=i.x||i.x<=e.x&&e.x<=s.x)return!0}}return n})(a.p,c[n].p)&&(i!==n&&t++,s?(s=!1,u[n].push(a)):e=!0);s&&u[i].push(a)}}t>0&&!1===e&&(d=u)}for(let e=0,t=c.length;e<t;e++){n=c[e].s,l.push(n),a=d[e];for(let e=0,t=a.length;e<t;e++)n.holes.push(a[e].h)}return l}}class dI extends nt{constructor(e=1,t=1,i=1,n={}){console.warn('THREE.WebGLMultipleRenderTargets has been deprecated and will be removed in r172. Use THREE.WebGLRenderTarget and set the "count" parameter to enable MRT.'),super(e,t,{...n,count:i}),this.isWebGLMultipleRenderTargets=!0}get texture(){return this.textures}}"undefined"!=typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:l}})),"undefined"!=typeof window&&(window.__THREE__?console.warn("WARNING: Multiple instances of Three.js being imported."):window.__THREE__=l)}}]);