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r[0]=a*f+s*_+o*M,r[3]=a*m+s*v+o*y,r[6]=a*g+s*x+o*S,r[1]=l*f+c*_+h*M,r[4]=l*m+c*v+h*y,r[7]=l*g+c*x+h*S,r[2]=u*f+d*_+p*M,r[5]=u*m+d*v+p*y,r[8]=u*g+d*x+p*S,this}multiplyScalar(e){const 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(){const e=this.elements,t=e[0],n=e[1],i=e[2],r=e[3],a=e[4],s=e[5],o=e[6],l=e[7],c=e[8];return t*a*c-t*s*l-n*r*c+n*s*o+i*r*l-i*a*o}invert(){const e=this.elements,t=e[0],n=e[1],i=e[2],r=e[3],a=e[4],s=e[5],o=e[6],l=e[7],c=e[8],h=c*a-s*l,u=s*o-c*r,d=l*r-a*o,p=t*h+n*u+i*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const f=1/p;return e[0]=h*f,e[1]=(i*l-c*n)*f,e[2]=(s*n-i*a)*f,e[3]=u*f,e[4]=(c*t-i*o)*f,e[5]=(i*r-s*t)*f,e[6]=d*f,e[7]=(n*o-l*t)*f,e[8]=(a*t-n*r)*f,this}transpose(){let e;const 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){const 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,n,i,r,a,s){const o=Math.cos(r),l=Math.sin(r);return this.set(n*o,n*l,-n*(o*a+l*s)+a+e,-i*l,i*o,-i*(-l*a+o*s)+s+t,0,0,1),this}scale(e,t){return this.premultiply(An.makeScale(e,t)),this}rotate(e){return this.premultiply(An.makeRotation(-e)),this}translate(e,t){return this.premultiply(An.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){const t=Math.cos(e),n=Math.sin(e);return this.set(t,-n,0,n,t,0,0,0,1),this}makeScale(e,t){return this.set(e,0,0,0,t,0,0,0,1),this}equals(e){const t=this.elements,n=e.elements;for(let i=0;i<9;i++)if(t[i]!==n[i])return!1;return!0}fromArray(e,t=0){for(let n=0;n<9;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){const n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e}clone(){return(new this.constructor).fromArray(this.elements)}}const An=new bn;function wn(e){for(let t=e.length-1;t>=0;--t)if(e[t]>=65535)return!0;return!1}Int8Array,Uint8Array,Uint8ClampedArray,Int16Array,Uint16Array,Int32Array,Uint32Array,Float32Array,Float64Array;function Rn(e){return document.createElementNS("http://www.w3.org/1999/xhtml",e)}const Cn={};function Ln(e){e in Cn||(Cn[e]=!0,console.warn(e))}function Pn(e){return e<.04045?.0773993808*e:Math.pow(.9478672986*e+.0521327014,2.4)}function Un(e){return e<.0031308?12.92*e:1.055*Math.pow(e,.41666)-.055}const In=(new bn).fromArray([.8224621,.0331941,.0170827,.177538,.9668058,.0723974,-1e-7,1e-7,.9105199]),Dn=(new bn).fromArray([1.2249401,-.0420569,-.0196376,-.2249404,1.0420571,-.0786361,1e-7,0,1.0982735]);function Nn(e){return e.convertSRGBToLinear().applyMatrix3(Dn)}function On(e){return e.applyMatrix3(In).convertLinearToSRGB()}const Fn={[Ut]:e=>e,[Pt]:e=>e.convertSRGBToLinear(),[It]:Nn},Bn={[Ut]:e=>e,[Pt]:e=>e.convertLinearToSRGB(),[It]:On},zn={enabled:!0,get legacyMode(){return console.warn("THREE.ColorManagement: .legacyMode=false renamed to .enabled=true in r150."),!this.enabled},set legacyMode(e){console.warn("THREE.ColorManagement: .legacyMode=false renamed to .enabled=true in r150."),this.enabled=!e},get workingColorSpace(){return Ut},set workingColorSpace(e){console.warn("THREE.ColorManagement: .workingColorSpace is readonly.")},convert:function(e,t,n){if(!1===this.enabled||t===n||!t||!n)return e;const i=Fn[t],r=Bn[n];if(void 0===i||void 0===r)throw new Error(`Unsupported color space conversion, "${t}" to "${n}".`);return r(i(e))},fromWorkingColorSpace:function(e,t){return this.convert(e,this.workingColorSpace,t)},toWorkingColorSpace:function(e,t){return this.convert(e,t,this.workingColorSpace)}};let Hn;class kn{static getDataURL(e){if(/^data:/i.test(e.src))return e.src;if("undefined"===typeof HTMLCanvasElement)return e.src;let t;if(e instanceof HTMLCanvasElement)t=e;else{void 0===Hn&&(Hn=Rn("canvas")),Hn.width=e.width,Hn.height=e.height;const n=Hn.getContext("2d");e instanceof ImageData?n.putImageData(e,0,0):n.drawImage(e,0,0,e.width,e.height),t=Hn}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){const t=Rn("canvas");t.width=e.width,t.height=e.height;const n=t.getContext("2d");n.drawImage(e,0,0,e.width,e.height);const i=n.getImageData(0,0,e.width,e.height),r=i.data;for(let e=0;e<r.length;e++)r[e]=255*Pn(r[e]/255);return n.putImageData(i,0,0),t}if(e.data){const t=e.data.slice(0);for(let e=0;e<t.length;e++)t instanceof Uint8Array||t instanceof Uint8ClampedArray?t[e]=Math.floor(255*Pn(t[e]/255)):t[e]=Pn(t[e]);return{data:t,width:e.width,height:e.height}}return console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),e}}let Gn=0;class Vn{constructor(e=null){this.isSource=!0,Object.defineProperty(this,"id",{value:Gn++}),this.uuid=en(),this.data=e,this.version=0}set needsUpdate(e){!0===e&&this.version++}toJSON(e){const t=void 0===e||"string"===typeof e;if(!t&&void 0!==e.images[this.uuid])return e.images[this.uuid];const n={uuid:this.uuid,url:""},i=this.data;if(null!==i){let e;if(Array.isArray(i)){e=[];for(let t=0,n=i.length;t<n;t++)i[t].isDataTexture?e.push(Wn(i[t].image)):e.push(Wn(i[t]))}else e=Wn(i);n.url=e}return t||(e.images[this.uuid]=n),n}}function Wn(e){return"undefined"!==typeof HTMLImageElement&&e instanceof HTMLImageElement||"undefined"!==typeof HTMLCanvasElement&&e instanceof HTMLCanvasElement||"undefined"!==typeof ImageBitmap&&e instanceof ImageBitmap?kn.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 Xn=0;class jn extends Kt{constructor(e=jn.DEFAULT_IMAGE,t=jn.DEFAULT_MAPPING,n=le,i=le,r=pe,a=me,s=Re,o=ge,l=jn.DEFAULT_ANISOTROPY,c=Lt){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:Xn++}),this.uuid=en(),this.name="",this.source=new Vn(e),this.mipmaps=[],this.mapping=t,this.channel=0,this.wrapS=n,this.wrapT=i,this.magFilter=r,this.minFilter=a,this.anisotropy=l,this.format=s,this.internalFormat=null,this.type=o,this.offset=new En(0,0),this.repeat=new En(1,1),this.center=new En(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new bn,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,"string"===typeof c?this.colorSpace=c:(Ln("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace=c===bt?Pt:Lt),this.userData={},this.version=0,this.onUpdate=null,this.isRenderTargetTexture=!1,this.needsPMREMUpdate=!1}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){const t=void 0===e||"string"===typeof e;if(!t&&void 0!==e.textures[this.uuid])return e.textures[this.uuid];const n={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&&(n.userData=this.userData),t||(e.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(e){if(this.mapping!==te)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case oe:e.x=e.x-Math.floor(e.x);break;case le:e.x=e.x<0?0:1;break;case ce:1===Math.abs(Math.floor(e.x)%2)?e.x=Math.ceil(e.x)-e.x:e.x=e.x-Math.floor(e.x);break}if(e.y<0||e.y>1)switch(this.wrapT){case oe:e.y=e.y-Math.floor(e.y);break;case le:e.y=e.y<0?0:1;break;case ce:1===Math.abs(Math.floor(e.y)%2)?e.y=Math.ceil(e.y)-e.y:e.y=e.y-Math.floor(e.y);break}return this.flipY&&(e.y=1-e.y),e}set needsUpdate(e){!0===e&&(this.version++,this.source.needsUpdate=!0)}get encoding(){return Ln("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace===Pt?bt:Et}set encoding(e){Ln("THREE.Texture: Property .encoding has been replaced by .colorSpace."),this.colorSpace=e===bt?Pt:Lt}}jn.DEFAULT_IMAGE=null,jn.DEFAULT_MAPPING=te,jn.DEFAULT_ANISOTROPY=1;class qn{constructor(e=0,t=0,n=0,i=1){qn.prototype.isVector4=!0,this.x=e,this.y=t,this.z=n,this.w=i}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,n,i){return this.x=e,this.y=t,this.z=n,this.w=i,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 new 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 new 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){const t=this.x,n=this.y,i=this.z,r=this.w,a=e.elements;return this.x=a[0]*t+a[4]*n+a[8]*i+a[12]*r,this.y=a[1]*t+a[5]*n+a[9]*i+a[13]*r,this.z=a[2]*t+a[6]*n+a[10]*i+a[14]*r,this.w=a[3]*t+a[7]*n+a[11]*i+a[15]*r,this}divideScalar(e){return this.multiplyScalar(1/e)}setAxisAngleFromQuaternion(e){this.w=2*Math.acos(e.w);const 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,n,i,r;const a=.01,s=.1,o=e.elements,l=o[0],c=o[4],h=o[8],u=o[1],d=o[5],p=o[9],f=o[2],m=o[6],g=o[10];if(Math.abs(c-u)<a&&Math.abs(h-f)<a&&Math.abs(p-m)<a){if(Math.abs(c+u)<s&&Math.abs(h+f)<s&&Math.abs(p+m)<s&&Math.abs(l+d+g-3)<s)return this.set(1,0,0,0),this;t=Math.PI;const e=(l+1)/2,o=(d+1)/2,_=(g+1)/2,v=(c+u)/4,x=(h+f)/4,M=(p+m)/4;return e>o&&e>_?e<a?(n=0,i=.707106781,r=.707106781):(n=Math.sqrt(e),i=v/n,r=x/n):o>_?o<a?(n=.707106781,i=0,r=.707106781):(i=Math.sqrt(o),n=v/i,r=M/i):_<a?(n=.707106781,i=.707106781,r=0):(r=Math.sqrt(_),n=x/r,i=M/r),this.set(n,i,r,t),this}let _=Math.sqrt((m-p)*(m-p)+(h-f)*(h-f)+(u-c)*(u-c));return Math.abs(_)<.001&&(_=1),this.x=(m-p)/_,this.y=(h-f)/_,this.z=(u-c)/_,this.w=Math.acos((l+d+g-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){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}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=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this.w=this.w<0?Math.ceil(this.w):Math.floor(this.w),this}negate(){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,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this.w=e.w+(t.w-e.w)*n,this}equals(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 Yn extends Kt{constructor(e=1,t=1,n={}){super(),this.isRenderTarget=!0,this.width=e,this.height=t,this.depth=1,this.scissor=new qn(0,0,e,t),this.scissorTest=!1,this.viewport=new qn(0,0,e,t);const i={width:e,height:t,depth:1};void 0!==n.encoding&&(Ln("THREE.WebGLRenderTarget: option.encoding has been replaced by option.colorSpace."),n.colorSpace=n.encoding===bt?Pt:Lt),this.texture=new jn(i,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.colorSpace),this.texture.isRenderTargetTexture=!0,this.texture.flipY=!1,this.texture.generateMipmaps=void 0!==n.generateMipmaps&&n.generateMipmaps,this.texture.internalFormat=void 0!==n.internalFormat?n.internalFormat:null,this.texture.minFilter=void 0!==n.minFilter?n.minFilter:pe,this.depthBuffer=void 0===n.depthBuffer||n.depthBuffer,this.stencilBuffer=void 0!==n.stencilBuffer&&n.stencilBuffer,this.depthTexture=void 0!==n.depthTexture?n.depthTexture:null,this.samples=void 0!==n.samples?n.samples:0}setSize(e,t,n=1){this.width===e&&this.height===t&&this.depth===n||(this.width=e,this.height=t,this.depth=n,this.texture.image.width=e,this.texture.image.height=t,this.texture.image.depth=n,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.texture=e.texture.clone(),this.texture.isRenderTargetTexture=!0;const t=Object.assign({},e.texture.image);return this.texture.source=new Vn(t),this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,null!==e.depthTexture&&(this.depthTexture=e.depthTexture.clone()),this.samples=e.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Kn extends Yn{constructor(e=1,t=1,n={}){super(e,t,n),this.isWebGLRenderTarget=!0}}class Zn extends jn{constructor(e=null,t=1,n=1,i=1){super(null),this.isDataArrayTexture=!0,this.image={data:e,width:t,height:n,depth:i},this.magFilter=he,this.minFilter=he,this.wrapR=le,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class Jn extends jn{constructor(e=null,t=1,n=1,i=1){super(null),this.isData3DTexture=!0,this.image={data:e,width:t,height:n,depth:i},this.magFilter=he,this.minFilter=he,this.wrapR=le,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class Qn{constructor(e=0,t=0,n=0,i=1){this.isQuaternion=!0,this._x=e,this._y=t,this._z=n,this._w=i}static slerpFlat(e,t,n,i,r,a,s){let o=n[i+0],l=n[i+1],c=n[i+2],h=n[i+3];const u=r[a+0],d=r[a+1],p=r[a+2],f=r[a+3];if(0===s)return e[t+0]=o,e[t+1]=l,e[t+2]=c,void(e[t+3]=h);if(1===s)return e[t+0]=u,e[t+1]=d,e[t+2]=p,void(e[t+3]=f);if(h!==f||o!==u||l!==d||c!==p){let e=1-s;const t=o*u+l*d+c*p+h*f,n=t>=0?1:-1,i=1-t*t;if(i>Number.EPSILON){const r=Math.sqrt(i),a=Math.atan2(r,t*n);e=Math.sin(e*a)/r,s=Math.sin(s*a)/r}const r=s*n;if(o=o*e+u*r,l=l*e+d*r,c=c*e+p*r,h=h*e+f*r,e===1-s){const e=1/Math.sqrt(o*o+l*l+c*c+h*h);o*=e,l*=e,c*=e,h*=e}}e[t]=o,e[t+1]=l,e[t+2]=c,e[t+3]=h}static multiplyQuaternionsFlat(e,t,n,i,r,a){const s=n[i],o=n[i+1],l=n[i+2],c=n[i+3],h=r[a],u=r[a+1],d=r[a+2],p=r[a+3];return e[t]=s*p+c*h+o*d-l*u,e[t+1]=o*p+c*u+l*h-s*d,e[t+2]=l*p+c*d+s*u-o*h,e[t+3]=c*p-s*h-o*u-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,n,i){return this._x=e,this._y=t,this._z=n,this._w=i,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){const n=e._x,i=e._y,r=e._z,a=e._order,s=Math.cos,o=Math.sin,l=s(n/2),c=s(i/2),h=s(r/2),u=o(n/2),d=o(i/2),p=o(r/2);switch(a){case"XYZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"YXZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"ZXY":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"ZYX":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"YZX":this._x=u*c*h+l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h-u*d*p;break;case"XZY":this._x=u*c*h-l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h+u*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return!1!==t&&this._onChangeCallback(),this}setFromAxisAngle(e,t){const n=t/2,i=Math.sin(n);return this._x=e.x*i,this._y=e.y*i,this._z=e.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(e){const t=e.elements,n=t[0],i=t[4],r=t[8],a=t[1],s=t[5],o=t[9],l=t[2],c=t[6],h=t[10],u=n+s+h;if(u>0){const e=.5/Math.sqrt(u+1);this._w=.25/e,this._x=(c-o)*e,this._y=(r-l)*e,this._z=(a-i)*e}else if(n>s&&n>h){const e=2*Math.sqrt(1+n-s-h);this._w=(c-o)/e,this._x=.25*e,this._y=(i+a)/e,this._z=(r+l)/e}else if(s>h){const e=2*Math.sqrt(1+s-n-h);this._w=(r-l)/e,this._x=(i+a)/e,this._y=.25*e,this._z=(o+c)/e}else{const e=2*Math.sqrt(1+h-n-s);this._w=(a-i)/e,this._x=(r+l)/e,this._y=(o+c)/e,this._z=.25*e}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let n=e.dot(t)+1;return n<Number.EPSILON?(n=0,Math.abs(e.x)>Math.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=n):(this._x=0,this._y=-e.z,this._z=e.y,this._w=n)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x,this._w=n),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(tn(this.dot(e),-1,1)))}rotateTowards(e,t){const n=this.angleTo(e);if(0===n)return this;const i=Math.min(1,t/n);return this.slerp(e,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){const n=e._x,i=e._y,r=e._z,a=e._w,s=t._x,o=t._y,l=t._z,c=t._w;return this._x=n*c+a*s+i*l-r*o,this._y=i*c+a*o+r*s-n*l,this._z=r*c+a*l+n*o-i*s,this._w=a*c-n*s-i*o-r*l,this._onChangeCallback(),this}slerp(e,t){if(0===t)return this;if(1===t)return this.copy(e);const n=this._x,i=this._y,r=this._z,a=this._w;let s=a*e._w+n*e._x+i*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=n,this._y=i,this._z=r,this;const o=1-s*s;if(o<=Number.EPSILON){const e=1-t;return this._w=e*a+t*this._w,this._x=e*n+t*this._x,this._y=e*i+t*this._y,this._z=e*r+t*this._z,this.normalize(),this._onChangeCallback(),this}const l=Math.sqrt(o),c=Math.atan2(l,s),h=Math.sin((1-t)*c)/l,u=Math.sin(t*c)/l;return this._w=a*h+this._w*u,this._x=n*h+this._x*u,this._y=i*h+this._y*u,this._z=r*h+this._z*u,this._onChangeCallback(),this}slerpQuaternions(e,t,n){return this.copy(e).slerp(t,n)}random(){const e=Math.random(),t=Math.sqrt(1-e),n=Math.sqrt(e),i=2*Math.PI*Math.random(),r=2*Math.PI*Math.random();return this.set(t*Math.cos(i),n*Math.sin(r),n*Math.cos(r),t*Math.sin(i))}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}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 $n{constructor(e=0,t=0,n=0){$n.prototype.isVector3=!0,this.x=e,this.y=t,this.z=n}set(e,t,n){return void 0===n&&(n=this.z),this.x=e,this.y=t,this.z=n,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 new 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 new 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(ti.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(ti.setFromAxisAngle(e,t))}applyMatrix3(e){const t=this.x,n=this.y,i=this.z,r=e.elements;return this.x=r[0]*t+r[3]*n+r[6]*i,this.y=r[1]*t+r[4]*n+r[7]*i,this.z=r[2]*t+r[5]*n+r[8]*i,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){const t=this.x,n=this.y,i=this.z,r=e.elements,a=1/(r[3]*t+r[7]*n+r[11]*i+r[15]);return this.x=(r[0]*t+r[4]*n+r[8]*i+r[12])*a,this.y=(r[1]*t+r[5]*n+r[9]*i+r[13])*a,this.z=(r[2]*t+r[6]*n+r[10]*i+r[14])*a,this}applyQuaternion(e){const t=this.x,n=this.y,i=this.z,r=e.x,a=e.y,s=e.z,o=e.w,l=o*t+a*i-s*n,c=o*n+s*t-r*i,h=o*i+r*n-a*t,u=-r*t-a*n-s*i;return this.x=l*o+u*-r+c*-s-h*-a,this.y=c*o+u*-a+h*-r-l*-s,this.z=h*o+u*-s+l*-a-c*-r,this}project(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){const t=this.x,n=this.y,i=this.z,r=e.elements;return this.x=r[0]*t+r[4]*n+r[8]*i,this.y=r[1]*t+r[5]*n+r[9]*i,this.z=r[2]*t+r[6]*n+r[10]*i,this.normalize()}divide(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){const n=this.length();return this.divideScalar(n||1).multiplyScalar(Math.max(e,Math.min(t,n)))}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=this.x<0?Math.ceil(this.x):Math.floor(this.x),this.y=this.y<0?Math.ceil(this.y):Math.floor(this.y),this.z=this.z<0?Math.ceil(this.z):Math.floor(this.z),this}negate(){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,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this}cross(e){return this.crossVectors(this,e)}crossVectors(e,t){const n=e.x,i=e.y,r=e.z,a=t.x,s=t.y,o=t.z;return this.x=i*o-r*s,this.y=r*a-n*o,this.z=n*s-i*a,this}projectOnVector(e){const t=e.lengthSq();if(0===t)return this.set(0,0,0);const n=e.dot(this)/t;return this.copy(e).multiplyScalar(n)}projectOnPlane(e){return ei.copy(this).projectOnVector(e),this.sub(ei)}reflect(e){return this.sub(ei.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){const t=Math.sqrt(this.lengthSq()*e.lengthSq());if(0===t)return Math.PI/2;const n=this.dot(e)/t;return Math.acos(tn(n,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){const t=this.x-e.x,n=this.y-e.y,i=this.z-e.z;return t*t+n*n+i*i}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,n){const i=Math.sin(t)*e;return this.x=i*Math.sin(n),this.y=Math.cos(t)*e,this.z=i*Math.cos(n),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,n){return this.x=e*Math.sin(t),this.y=n,this.z=e*Math.cos(t),this}setFromMatrixPosition(e){const t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){const t=this.setFromMatrixColumn(e,0).length(),n=this.setFromMatrixColumn(e,1).length(),i=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=n,this.z=i,this}setFromMatrixColumn(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(){const e=2*(Math.random()-.5),t=Math.random()*Math.PI*2,n=Math.sqrt(1-e**2);return this.x=n*Math.cos(t),this.y=n*Math.sin(t),this.z=e,this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const ei=new $n,ti=new Qn;class ni{constructor(e=new $n(1/0,1/0,1/0),t=new $n(-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,n=e.length;t<n;t+=3)this.expandByPoint(ri.fromArray(e,t));return this}setFromBufferAttribute(e){this.makeEmpty();for(let t=0,n=e.count;t<n;t++)this.expandByPoint(ri.fromBufferAttribute(e,t));return this}setFromPoints(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){const n=ri.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(n),this.max.copy(e).add(n),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=1/0,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){if(e.updateWorldMatrix(!1,!1),void 0!==e.boundingBox)null===e.boundingBox&&e.computeBoundingBox(),ai.copy(e.boundingBox),ai.applyMatrix4(e.matrixWorld),this.union(ai);else{const n=e.geometry;if(void 0!==n)if(t&&void 0!==n.attributes&&void 0!==n.attributes.position){const t=n.attributes.position;for(let n=0,i=t.count;n<i;n++)ri.fromBufferAttribute(t,n).applyMatrix4(e.matrixWorld),this.expandByPoint(ri)}else null===n.boundingBox&&n.computeBoundingBox(),ai.copy(n.boundingBox),ai.applyMatrix4(e.matrixWorld),this.union(ai)}const n=e.children;for(let i=0,r=n.length;i<r;i++)this.expandByObject(n[i],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,ri),ri.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,n;return e.normal.x>0?(t=e.normal.x*this.min.x,n=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,n=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,n+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,n+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,n+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,n+=e.normal.z*this.min.z),t<=-e.constant&&n>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(di),pi.subVectors(this.max,di),si.subVectors(e.a,di),oi.subVectors(e.b,di),li.subVectors(e.c,di),ci.subVectors(oi,si),hi.subVectors(li,oi),ui.subVectors(si,li);let t=[0,-ci.z,ci.y,0,-hi.z,hi.y,0,-ui.z,ui.y,ci.z,0,-ci.x,hi.z,0,-hi.x,ui.z,0,-ui.x,-ci.y,ci.x,0,-hi.y,hi.x,0,-ui.y,ui.x,0];return!!gi(t,si,oi,li,pi)&&(t=[1,0,0,0,1,0,0,0,1],!!gi(t,si,oi,li,pi)&&(fi.crossVectors(ci,hi),t=[fi.x,fi.y,fi.z],gi(t,si,oi,li,pi)))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,ri).distanceTo(e)}getBoundingSphere(e){return this.isEmpty()?e.makeEmpty():(this.getCenter(e.center),e.radius=.5*this.getSize(ri).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()||(ii[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),ii[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),ii[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),ii[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),ii[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),ii[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),ii[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),ii[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(ii)),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)}}const ii=[new $n,new $n,new $n,new $n,new $n,new $n,new $n,new $n],ri=new $n,ai=new ni,si=new $n,oi=new $n,li=new $n,ci=new $n,hi=new $n,ui=new $n,di=new $n,pi=new $n,fi=new $n,mi=new $n;function gi(e,t,n,i,r){for(let a=0,s=e.length-3;a<=s;a+=3){mi.fromArray(e,a);const s=r.x*Math.abs(mi.x)+r.y*Math.abs(mi.y)+r.z*Math.abs(mi.z),o=t.dot(mi),l=n.dot(mi),c=i.dot(mi);if(Math.max(-Math.max(o,l,c),Math.min(o,l,c))>s)return!1}return!0}const _i=new ni,vi=new $n,xi=new $n;class Mi{constructor(e=new $n,t=-1){this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){const n=this.center;void 0!==t?n.copy(t):_i.setFromPoints(e).getCenter(n);let i=0;for(let r=0,a=e.length;r<a;r++)i=Math.max(i,n.distanceToSquared(e[r]));return this.radius=Math.sqrt(i),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){const 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){const n=this.center.distanceToSquared(e);return t.copy(e),n>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):(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;vi.subVectors(e,this.center);const t=vi.lengthSq();if(t>this.radius*this.radius){const e=Math.sqrt(t),n=.5*(e-this.radius);this.center.addScaledVector(vi,n/e),this.radius+=n}return this}union(e){return e.isEmpty()?this:this.isEmpty()?(this.copy(e),this):(!0===this.center.equals(e.center)?this.radius=Math.max(this.radius,e.radius):(xi.subVectors(e.center,this.center).setLength(e.radius),this.expandByPoint(vi.copy(e.center).add(xi)),this.expandByPoint(vi.copy(e.center).sub(xi))),this)}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return(new this.constructor).copy(this)}}const yi=new $n,Si=new $n,Ti=new $n,Ei=new $n,bi=new $n,Ai=new $n,wi=new $n;class Ri{constructor(e=new $n,t=new $n(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,yi)),this}closestPointToPoint(e,t){t.subVectors(e,this.origin);const n=t.dot(this.direction);return n<0?t.copy(this.origin):t.copy(this.origin).addScaledVector(this.direction,n)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){const t=yi.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(yi.copy(this.origin).addScaledVector(this.direction,t),yi.distanceToSquared(e))}distanceSqToSegment(e,t,n,i){Si.copy(e).add(t).multiplyScalar(.5),Ti.copy(t).sub(e).normalize(),Ei.copy(this.origin).sub(Si);const r=.5*e.distanceTo(t),a=-this.direction.dot(Ti),s=Ei.dot(this.direction),o=-Ei.dot(Ti),l=Ei.lengthSq(),c=Math.abs(1-a*a);let h,u,d,p;if(c>0)if(h=a*o-s,u=a*s-o,p=r*c,h>=0)if(u>=-p)if(u<=p){const e=1/c;h*=e,u*=e,d=h*(h+a*u+2*s)+u*(a*h+u+2*o)+l}else u=r,h=Math.max(0,-(a*u+s)),d=-h*h+u*(u+2*o)+l;else u=-r,h=Math.max(0,-(a*u+s)),d=-h*h+u*(u+2*o)+l;else u<=-p?(h=Math.max(0,-(-a*r+s)),u=h>0?-r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l):u<=p?(h=0,u=Math.min(Math.max(-r,-o),r),d=u*(u+2*o)+l):(h=Math.max(0,-(a*r+s)),u=h>0?r:Math.min(Math.max(-r,-o),r),d=-h*h+u*(u+2*o)+l);else u=a>0?-r:r,h=Math.max(0,-(a*u+s)),d=-h*h+u*(u+2*o)+l;return n&&n.copy(this.origin).addScaledVector(this.direction,h),i&&i.copy(Si).addScaledVector(Ti,u),d}intersectSphere(e,t){yi.subVectors(e.center,this.origin);const n=yi.dot(this.direction),i=yi.dot(yi)-n*n,r=e.radius*e.radius;if(i>r)return null;const a=Math.sqrt(r-i),s=n-a,o=n+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){const t=e.normal.dot(this.direction);if(0===t)return 0===e.distanceToPoint(this.origin)?0:null;const n=-(this.origin.dot(e.normal)+e.constant)/t;return n>=0?n:null}intersectPlane(e,t){const n=this.distanceToPlane(e);return null===n?null:this.at(n,t)}intersectsPlane(e){const t=e.distanceToPoint(this.origin);if(0===t)return!0;const n=e.normal.dot(this.direction);return n*t<0}intersectBox(e,t){let n,i,r,a,s,o;const l=1/this.direction.x,c=1/this.direction.y,h=1/this.direction.z,u=this.origin;return l>=0?(n=(e.min.x-u.x)*l,i=(e.max.x-u.x)*l):(n=(e.max.x-u.x)*l,i=(e.min.x-u.x)*l),c>=0?(r=(e.min.y-u.y)*c,a=(e.max.y-u.y)*c):(r=(e.max.y-u.y)*c,a=(e.min.y-u.y)*c),n>a||r>i?null:((r>n||isNaN(n))&&(n=r),(a<i||isNaN(i))&&(i=a),h>=0?(s=(e.min.z-u.z)*h,o=(e.max.z-u.z)*h):(s=(e.max.z-u.z)*h,o=(e.min.z-u.z)*h),n>o||s>i?null:((s>n||n!==n)&&(n=s),(o<i||i!==i)&&(i=o),i<0?null:this.at(n>=0?n:i,t)))}intersectsBox(e){return null!==this.intersectBox(e,yi)}intersectTriangle(e,t,n,i,r){bi.subVectors(t,e),Ai.subVectors(n,e),wi.crossVectors(bi,Ai);let a,s=this.direction.dot(wi);if(s>0){if(i)return null;a=1}else{if(!(s<0))return null;a=-1,s=-s}Ei.subVectors(this.origin,e);const o=a*this.direction.dot(Ai.crossVectors(Ei,Ai));if(o<0)return null;const l=a*this.direction.dot(bi.cross(Ei));if(l<0)return null;if(o+l>s)return null;const c=-a*Ei.dot(wi);return c<0?null:this.at(c/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 Ci{constructor(e,t,n,i,r,a,s,o,l,c,h,u,d,p,f,m){Ci.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,n,i,r,a,s,o,l,c,h,u,d,p,f,m)}set(e,t,n,i,r,a,s,o,l,c,h,u,d,p,f,m){const g=this.elements;return g[0]=e,g[4]=t,g[8]=n,g[12]=i,g[1]=r,g[5]=a,g[9]=s,g[13]=o,g[2]=l,g[6]=c,g[10]=h,g[14]=u,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 Ci).fromArray(this.elements)}copy(e){const t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],this}copyPosition(e){const t=this.elements,n=e.elements;return t[12]=n[12],t[13]=n[13],t[14]=n[14],this}setFromMatrix3(e){const 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,n){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this}makeBasis(e,t,n){return this.set(e.x,t.x,n.x,0,e.y,t.y,n.y,0,e.z,t.z,n.z,0,0,0,0,1),this}extractRotation(e){const t=this.elements,n=e.elements,i=1/Li.setFromMatrixColumn(e,0).length(),r=1/Li.setFromMatrixColumn(e,1).length(),a=1/Li.setFromMatrixColumn(e,2).length();return t[0]=n[0]*i,t[1]=n[1]*i,t[2]=n[2]*i,t[3]=0,t[4]=n[4]*r,t[5]=n[5]*r,t[6]=n[6]*r,t[7]=0,t[8]=n[8]*a,t[9]=n[9]*a,t[10]=n[10]*a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){const t=this.elements,n=e.x,i=e.y,r=e.z,a=Math.cos(n),s=Math.sin(n),o=Math.cos(i),l=Math.sin(i),c=Math.cos(r),h=Math.sin(r);if("XYZ"===e.order){const e=a*c,n=a*h,i=s*c,r=s*h;t[0]=o*c,t[4]=-o*h,t[8]=l,t[1]=n+i*l,t[5]=e-r*l,t[9]=-s*o,t[2]=r-e*l,t[6]=i+n*l,t[10]=a*o}else if("YXZ"===e.order){const e=o*c,n=o*h,i=l*c,r=l*h;t[0]=e+r*s,t[4]=i*s-n,t[8]=a*l,t[1]=a*h,t[5]=a*c,t[9]=-s,t[2]=n*s-i,t[6]=r+e*s,t[10]=a*o}else if("ZXY"===e.order){const e=o*c,n=o*h,i=l*c,r=l*h;t[0]=e-r*s,t[4]=-a*h,t[8]=i+n*s,t[1]=n+i*s,t[5]=a*c,t[9]=r-e*s,t[2]=-a*l,t[6]=s,t[10]=a*o}else if("ZYX"===e.order){const e=a*c,n=a*h,i=s*c,r=s*h;t[0]=o*c,t[4]=i*l-n,t[8]=e*l+r,t[1]=o*h,t[5]=r*l+e,t[9]=n*l-i,t[2]=-l,t[6]=s*o,t[10]=a*o}else if("YZX"===e.order){const e=a*o,n=a*l,i=s*o,r=s*l;t[0]=o*c,t[4]=r-e*h,t[8]=i*h+n,t[1]=h,t[5]=a*c,t[9]=-s*c,t[2]=-l*c,t[6]=n*h+i,t[10]=e-r*h}else if("XZY"===e.order){const e=a*o,n=a*l,i=s*o,r=s*l;t[0]=o*c,t[4]=-h,t[8]=l*c,t[1]=e*h+r,t[5]=a*c,t[9]=n*h-i,t[2]=i*h-n,t[6]=s*c,t[10]=r*h+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(Ui,e,Ii)}lookAt(e,t,n){const i=this.elements;return Oi.subVectors(e,t),0===Oi.lengthSq()&&(Oi.z=1),Oi.normalize(),Di.crossVectors(n,Oi),0===Di.lengthSq()&&(1===Math.abs(n.z)?Oi.x+=1e-4:Oi.z+=1e-4,Oi.normalize(),Di.crossVectors(n,Oi)),Di.normalize(),Ni.crossVectors(Oi,Di),i[0]=Di.x,i[4]=Ni.x,i[8]=Oi.x,i[1]=Di.y,i[5]=Ni.y,i[9]=Oi.y,i[2]=Di.z,i[6]=Ni.z,i[10]=Oi.z,this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){const n=e.elements,i=t.elements,r=this.elements,a=n[0],s=n[4],o=n[8],l=n[12],c=n[1],h=n[5],u=n[9],d=n[13],p=n[2],f=n[6],m=n[10],g=n[14],_=n[3],v=n[7],x=n[11],M=n[15],y=i[0],S=i[4],T=i[8],E=i[12],b=i[1],A=i[5],w=i[9],R=i[13],C=i[2],L=i[6],P=i[10],U=i[14],I=i[3],D=i[7],N=i[11],O=i[15];return r[0]=a*y+s*b+o*C+l*I,r[4]=a*S+s*A+o*L+l*D,r[8]=a*T+s*w+o*P+l*N,r[12]=a*E+s*R+o*U+l*O,r[1]=c*y+h*b+u*C+d*I,r[5]=c*S+h*A+u*L+d*D,r[9]=c*T+h*w+u*P+d*N,r[13]=c*E+h*R+u*U+d*O,r[2]=p*y+f*b+m*C+g*I,r[6]=p*S+f*A+m*L+g*D,r[10]=p*T+f*w+m*P+g*N,r[14]=p*E+f*R+m*U+g*O,r[3]=_*y+v*b+x*C+M*I,r[7]=_*S+v*A+x*L+M*D,r[11]=_*T+v*w+x*P+M*N,r[15]=_*E+v*R+x*U+M*O,this}multiplyScalar(e){const 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(){const e=this.elements,t=e[0],n=e[4],i=e[8],r=e[12],a=e[1],s=e[5],o=e[9],l=e[13],c=e[2],h=e[6],u=e[10],d=e[14],p=e[3],f=e[7],m=e[11],g=e[15];return p*(+r*o*h-i*l*h-r*s*u+n*l*u+i*s*d-n*o*d)+f*(+t*o*d-t*l*u+r*a*u-i*a*d+i*l*c-r*o*c)+m*(+t*l*h-t*s*d-r*a*h+n*a*d+r*s*c-n*l*c)+g*(-i*s*c-t*o*h+t*s*u+i*a*h-n*a*u+n*o*c)}transpose(){const e=this.elements;let t;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this}setPosition(e,t,n){const i=this.elements;return e.isVector3?(i[12]=e.x,i[13]=e.y,i[14]=e.z):(i[12]=e,i[13]=t,i[14]=n),this}invert(){const e=this.elements,t=e[0],n=e[1],i=e[2],r=e[3],a=e[4],s=e[5],o=e[6],l=e[7],c=e[8],h=e[9],u=e[10],d=e[11],p=e[12],f=e[13],m=e[14],g=e[15],_=h*m*l-f*u*l+f*o*d-s*m*d-h*o*g+s*u*g,v=p*u*l-c*m*l-p*o*d+a*m*d+c*o*g-a*u*g,x=c*f*l-p*h*l+p*s*d-a*f*d-c*s*g+a*h*g,M=p*h*o-c*f*o-p*s*u+a*f*u+c*s*m-a*h*m,y=t*_+n*v+i*x+r*M;if(0===y)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const S=1/y;return e[0]=_*S,e[1]=(f*u*r-h*m*r-f*i*d+n*m*d+h*i*g-n*u*g)*S,e[2]=(s*m*r-f*o*r+f*i*l-n*m*l-s*i*g+n*o*g)*S,e[3]=(h*o*r-s*u*r-h*i*l+n*u*l+s*i*d-n*o*d)*S,e[4]=v*S,e[5]=(c*m*r-p*u*r+p*i*d-t*m*d-c*i*g+t*u*g)*S,e[6]=(p*o*r-a*m*r-p*i*l+t*m*l+a*i*g-t*o*g)*S,e[7]=(a*u*r-c*o*r+c*i*l-t*u*l-a*i*d+t*o*d)*S,e[8]=x*S,e[9]=(p*h*r-c*f*r-p*n*d+t*f*d+c*n*g-t*h*g)*S,e[10]=(a*f*r-p*s*r+p*n*l-t*f*l-a*n*g+t*s*g)*S,e[11]=(c*s*r-a*h*r-c*n*l+t*h*l+a*n*d-t*s*d)*S,e[12]=M*S,e[13]=(c*f*i-p*h*i+p*n*u-t*f*u-c*n*m+t*h*m)*S,e[14]=(p*s*i-a*f*i-p*n*o+t*f*o+a*n*m-t*s*m)*S,e[15]=(a*h*i-c*s*i+c*n*o-t*h*o-a*n*u+t*s*u)*S,this}scale(e){const t=this.elements,n=e.x,i=e.y,r=e.z;return t[0]*=n,t[4]*=i,t[8]*=r,t[1]*=n,t[5]*=i,t[9]*=r,t[2]*=n,t[6]*=i,t[10]*=r,t[3]*=n,t[7]*=i,t[11]*=r,this}getMaxScaleOnAxis(){const e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],n=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],i=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,n,i))}makeTranslation(e,t,n){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,n,0,0,0,1),this}makeRotationX(e){const t=Math.cos(e),n=Math.sin(e);return this.set(1,0,0,0,0,t,-n,0,0,n,t,0,0,0,0,1),this}makeRotationY(e){const t=Math.cos(e),n=Math.sin(e);return this.set(t,0,n,0,0,1,0,0,-n,0,t,0,0,0,0,1),this}makeRotationZ(e){const t=Math.cos(e),n=Math.sin(e);return this.set(t,-n,0,0,n,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){const n=Math.cos(t),i=Math.sin(t),r=1-n,a=e.x,s=e.y,o=e.z,l=r*a,c=r*s;return this.set(l*a+n,l*s-i*o,l*o+i*s,0,l*s+i*o,c*s+n,c*o-i*a,0,l*o-i*s,c*o+i*a,r*o*o+n,0,0,0,0,1),this}makeScale(e,t,n){return this.set(e,0,0,0,0,t,0,0,0,0,n,0,0,0,0,1),this}makeShear(e,t,n,i,r,a){return this.set(1,n,r,0,e,1,a,0,t,i,1,0,0,0,0,1),this}compose(e,t,n){const i=this.elements,r=t._x,a=t._y,s=t._z,o=t._w,l=r+r,c=a+a,h=s+s,u=r*l,d=r*c,p=r*h,f=a*c,m=a*h,g=s*h,_=o*l,v=o*c,x=o*h,M=n.x,y=n.y,S=n.z;return i[0]=(1-(f+g))*M,i[1]=(d+x)*M,i[2]=(p-v)*M,i[3]=0,i[4]=(d-x)*y,i[5]=(1-(u+g))*y,i[6]=(m+_)*y,i[7]=0,i[8]=(p+v)*S,i[9]=(m-_)*S,i[10]=(1-(u+f))*S,i[11]=0,i[12]=e.x,i[13]=e.y,i[14]=e.z,i[15]=1,this}decompose(e,t,n){const i=this.elements;let r=Li.set(i[0],i[1],i[2]).length();const a=Li.set(i[4],i[5],i[6]).length(),s=Li.set(i[8],i[9],i[10]).length(),o=this.determinant();o<0&&(r=-r),e.x=i[12],e.y=i[13],e.z=i[14],Pi.copy(this);const l=1/r,c=1/a,h=1/s;return Pi.elements[0]*=l,Pi.elements[1]*=l,Pi.elements[2]*=l,Pi.elements[4]*=c,Pi.elements[5]*=c,Pi.elements[6]*=c,Pi.elements[8]*=h,Pi.elements[9]*=h,Pi.elements[10]*=h,t.setFromRotationMatrix(Pi),n.x=r,n.y=a,n.z=s,this}makePerspective(e,t,n,i,r,a,s=qt){const o=this.elements,l=2*r/(t-e),c=2*r/(n-i),h=(t+e)/(t-e),u=(n+i)/(n-i);let d,p;if(s===qt)d=-(a+r)/(a-r),p=-2*a*r/(a-r);else{if(s!==Yt)throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+s);d=-a/(a-r),p=-a*r/(a-r)}return o[0]=l,o[4]=0,o[8]=h,o[12]=0,o[1]=0,o[5]=c,o[9]=u,o[13]=0,o[2]=0,o[6]=0,o[10]=d,o[14]=p,o[3]=0,o[7]=0,o[11]=-1,o[15]=0,this}makeOrthographic(e,t,n,i,r,a,s=qt){const o=this.elements,l=1/(t-e),c=1/(n-i),h=1/(a-r),u=(t+e)*l,d=(n+i)*c;let p,f;if(s===qt)p=(a+r)*h,f=-2*h;else{if(s!==Yt)throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+s);p=r*h,f=-1*h}return o[0]=2*l,o[4]=0,o[8]=0,o[12]=-u,o[1]=0,o[5]=2*c,o[9]=0,o[13]=-d,o[2]=0,o[6]=0,o[10]=f,o[14]=-p,o[3]=0,o[7]=0,o[11]=0,o[15]=1,this}equals(e){const t=this.elements,n=e.elements;for(let i=0;i<16;i++)if(t[i]!==n[i])return!1;return!0}fromArray(e,t=0){for(let n=0;n<16;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){const n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e[t+9]=n[9],e[t+10]=n[10],e[t+11]=n[11],e[t+12]=n[12],e[t+13]=n[13],e[t+14]=n[14],e[t+15]=n[15],e}}const Li=new $n,Pi=new Ci,Ui=new $n(0,0,0),Ii=new $n(1,1,1),Di=new $n,Ni=new $n,Oi=new $n,Fi=new Ci,Bi=new Qn;class zi{constructor(e=0,t=0,n=0,i=zi.DEFAULT_ORDER){this.isEuler=!0,this._x=e,this._y=t,this._z=n,this._order=i}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,n,i=this._order){return this._x=e,this._y=t,this._z=n,this._order=i,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,n=!0){const i=e.elements,r=i[0],a=i[4],s=i[8],o=i[1],l=i[5],c=i[9],h=i[2],u=i[6],d=i[10];switch(t){case"XYZ":this._y=Math.asin(tn(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(-c,d),this._z=Math.atan2(-a,r)):(this._x=Math.atan2(u,l),this._z=0);break;case"YXZ":this._x=Math.asin(-tn(c,-1,1)),Math.abs(c)<.9999999?(this._y=Math.atan2(s,d),this._z=Math.atan2(o,l)):(this._y=Math.atan2(-h,r),this._z=0);break;case"ZXY":this._x=Math.asin(tn(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(-h,d),this._z=Math.atan2(-a,l)):(this._y=0,this._z=Math.atan2(o,r));break;case"ZYX":this._y=Math.asin(-tn(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(u,d),this._z=Math.atan2(o,r)):(this._x=0,this._z=Math.atan2(-a,l));break;case"YZX":this._z=Math.asin(tn(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-c,l),this._y=Math.atan2(-h,r)):(this._x=0,this._y=Math.atan2(s,d));break;case"XZY":this._z=Math.asin(-tn(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(u,l),this._y=Math.atan2(s,r)):(this._x=Math.atan2(-c,d),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,!0===n&&this._onChangeCallback(),this}setFromQuaternion(e,t,n){return Fi.makeRotationFromQuaternion(e),this.setFromRotationMatrix(Fi,t,n)}setFromVector3(e,t=this._order){return this.set(e.x,e.y,e.z,t)}reorder(e){return Bi.setFromEuler(this),this.setFromQuaternion(Bi,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}}zi.DEFAULT_ORDER="XYZ";class Hi{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 0!==(this.mask&e.mask)}isEnabled(e){return 0!==(this.mask&(1<<e|0))}}let ki=0;const Gi=new $n,Vi=new Qn,Wi=new Ci,Xi=new $n,ji=new $n,qi=new $n,Yi=new Qn,Ki=new $n(1,0,0),Zi=new $n(0,1,0),Ji=new $n(0,0,1),Qi={type:"added"},$i={type:"removed"};class er extends Kt{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:ki++}),this.uuid=en(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=er.DEFAULT_UP.clone();const e=new $n,t=new zi,n=new Qn,i=new $n(1,1,1);function r(){n.setFromEuler(t,!1)}function a(){t.setFromQuaternion(n,void 0,!1)}t._onChange(r),n._onChange(a),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:e},rotation:{configurable:!0,enumerable:!0,value:t},quaternion:{configurable:!0,enumerable:!0,value:n},scale:{configurable:!0,enumerable:!0,value:i},modelViewMatrix:{value:new Ci},normalMatrix:{value:new bn}}),this.matrix=new Ci,this.matrixWorld=new Ci,this.matrixAutoUpdate=er.DEFAULT_MATRIX_AUTO_UPDATE,this.matrixWorldNeedsUpdate=!1,this.matrixWorldAutoUpdate=er.DEFAULT_MATRIX_WORLD_AUTO_UPDATE,this.layers=new Hi,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.userData={}}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 Vi.setFromAxisAngle(e,t),this.quaternion.multiply(Vi),this}rotateOnWorldAxis(e,t){return Vi.setFromAxisAngle(e,t),this.quaternion.premultiply(Vi),this}rotateX(e){return this.rotateOnAxis(Ki,e)}rotateY(e){return this.rotateOnAxis(Zi,e)}rotateZ(e){return this.rotateOnAxis(Ji,e)}translateOnAxis(e,t){return Gi.copy(e).applyQuaternion(this.quaternion),this.position.add(Gi.multiplyScalar(t)),this}translateX(e){return this.translateOnAxis(Ki,e)}translateY(e){return this.translateOnAxis(Zi,e)}translateZ(e){return this.translateOnAxis(Ji,e)}localToWorld(e){return this.updateWorldMatrix(!0,!1),e.applyMatrix4(this.matrixWorld)}worldToLocal(e){return this.updateWorldMatrix(!0,!1),e.applyMatrix4(Wi.copy(this.matrixWorld).invert())}lookAt(e,t,n){e.isVector3?Xi.copy(e):Xi.set(e,t,n);const i=this.parent;this.updateWorldMatrix(!0,!1),ji.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?Wi.lookAt(ji,Xi,this.up):Wi.lookAt(Xi,ji,this.up),this.quaternion.setFromRotationMatrix(Wi),i&&(Wi.extractRotation(i.matrixWorld),Vi.setFromRotationMatrix(Wi),this.quaternion.premultiply(Vi.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),this):(e&&e.isObject3D?(null!==e.parent&&e.parent.remove(e),e.parent=this,this.children.push(e),e.dispatchEvent(Qi)):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}const t=this.children.indexOf(e);return-1!==t&&(e.parent=null,this.children.splice(t,1),e.dispatchEvent($i)),this}removeFromParent(){const e=this.parent;return null!==e&&e.remove(this),this}clear(){for(let e=0;e<this.children.length;e++){const t=this.children[e];t.parent=null,t.dispatchEvent($i)}return this.children.length=0,this}attach(e){return this.updateWorldMatrix(!0,!1),Wi.copy(this.matrixWorld).invert(),null!==e.parent&&(e.parent.updateWorldMatrix(!0,!1),Wi.multiply(e.parent.matrixWorld)),e.applyMatrix4(Wi),this.add(e),e.updateWorldMatrix(!1,!0),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 n=0,i=this.children.length;n<i;n++){const i=this.children[n],r=i.getObjectByProperty(e,t);if(void 0!==r)return r}}getObjectsByProperty(e,t){let n=[];this[e]===t&&n.push(this);for(let i=0,r=this.children.length;i<r;i++){const r=this.children[i].getObjectsByProperty(e,t);r.length>0&&(n=n.concat(r))}return n}getWorldPosition(e){return this.updateWorldMatrix(!0,!1),e.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(ji,e,qi),e}getWorldScale(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(ji,Yi,e),e}getWorldDirection(e){this.updateWorldMatrix(!0,!1);const t=this.matrixWorld.elements;return e.set(t[8],t[9],t[10]).normalize()}raycast(){}traverse(e){e(this);const t=this.children;for(let n=0,i=t.length;n<i;n++)t[n].traverse(e)}traverseVisible(e){if(!1===this.visible)return;e(this);const t=this.children;for(let n=0,i=t.length;n<i;n++)t[n].traverseVisible(e)}traverseAncestors(e){const 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);const t=this.children;for(let n=0,i=t.length;n<i;n++){const i=t[n];!0!==i.matrixWorldAutoUpdate&&!0!==e||i.updateMatrixWorld(e)}}updateWorldMatrix(e,t){const n=this.parent;if(!0===e&&null!==n&&!0===n.matrixWorldAutoUpdate&&n.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){const e=this.children;for(let t=0,n=e.length;t<n;t++){const n=e[t];!0===n.matrixWorldAutoUpdate&&n.updateWorldMatrix(!1,!0)}}}toJSON(e){const t=void 0===e||"string"===typeof e,n={};t&&(e={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},n.metadata={version:4.6,type:"Object",generator:"Object3D.toJSON"});const i={};function r(t,n){return void 0===t[n.uuid]&&(t[n.uuid]=n.toJSON(e)),n.uuid}if(i.uuid=this.uuid,i.type=this.type,""!==this.name&&(i.name=this.name),!0===this.castShadow&&(i.castShadow=!0),!0===this.receiveShadow&&(i.receiveShadow=!0),!1===this.visible&&(i.visible=!1),!1===this.frustumCulled&&(i.frustumCulled=!1),0!==this.renderOrder&&(i.renderOrder=this.renderOrder),Object.keys(this.userData).length>0&&(i.userData=this.userData),i.layers=this.layers.mask,i.matrix=this.matrix.toArray(),i.up=this.up.toArray(),!1===this.matrixAutoUpdate&&(i.matrixAutoUpdate=!1),this.isInstancedMesh&&(i.type="InstancedMesh",i.count=this.count,i.instanceMatrix=this.instanceMatrix.toJSON(),null!==this.instanceColor&&(i.instanceColor=this.instanceColor.toJSON())),this.isScene)this.background&&(this.background.isColor?i.background=this.background.toJSON():this.background.isTexture&&(i.background=this.background.toJSON(e).uuid)),this.environment&&this.environment.isTexture&&!0!==this.environment.isRenderTargetTexture&&(i.environment=this.environment.toJSON(e).uuid);else if(this.isMesh||this.isLine||this.isPoints){i.geometry=r(e.geometries,this.geometry);const t=this.geometry.parameters;if(void 0!==t&&void 0!==t.shapes){const n=t.shapes;if(Array.isArray(n))for(let t=0,i=n.length;t<i;t++){const i=n[t];r(e.shapes,i)}else r(e.shapes,n)}}if(this.isSkinnedMesh&&(i.bindMode=this.bindMode,i.bindMatrix=this.bindMatrix.toArray(),void 0!==this.skeleton&&(r(e.skeletons,this.skeleton),i.skeleton=this.skeleton.uuid)),void 0!==this.material)if(Array.isArray(this.material)){const t=[];for(let n=0,i=this.material.length;n<i;n++)t.push(r(e.materials,this.material[n]));i.material=t}else i.material=r(e.materials,this.material);if(this.children.length>0){i.children=[];for(let t=0;t<this.children.length;t++)i.children.push(this.children[t].toJSON(e).object)}if(this.animations.length>0){i.animations=[];for(let t=0;t<this.animations.length;t++){const n=this.animations[t];i.animations.push(r(e.animations,n))}}if(t){const t=a(e.geometries),i=a(e.materials),r=a(e.textures),s=a(e.images),o=a(e.shapes),l=a(e.skeletons),c=a(e.animations),h=a(e.nodes);t.length>0&&(n.geometries=t),i.length>0&&(n.materials=i),r.length>0&&(n.textures=r),s.length>0&&(n.images=s),o.length>0&&(n.shapes=o),l.length>0&&(n.skeletons=l),c.length>0&&(n.animations=c),h.length>0&&(n.nodes=h)}return n.object=i,n;function a(e){const t=[];for(const n in e){const i=e[n];delete i.metadata,t.push(i)}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.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.matrixWorldAutoUpdate=e.matrixWorldAutoUpdate,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 n=0;n<e.children.length;n++){const t=e.children[n];this.add(t.clone())}return this}}er.DEFAULT_UP=new $n(0,1,0),er.DEFAULT_MATRIX_AUTO_UPDATE=!0,er.DEFAULT_MATRIX_WORLD_AUTO_UPDATE=!0;const tr=new $n,nr=new $n,ir=new $n,rr=new $n,ar=new $n,sr=new $n,or=new $n,lr=new $n,cr=new $n,hr=new $n;let ur=!1;class dr{constructor(e=new $n,t=new $n,n=new $n){this.a=e,this.b=t,this.c=n}static getNormal(e,t,n,i){i.subVectors(n,t),tr.subVectors(e,t),i.cross(tr);const r=i.lengthSq();return r>0?i.multiplyScalar(1/Math.sqrt(r)):i.set(0,0,0)}static getBarycoord(e,t,n,i,r){tr.subVectors(i,t),nr.subVectors(n,t),ir.subVectors(e,t);const a=tr.dot(tr),s=tr.dot(nr),o=tr.dot(ir),l=nr.dot(nr),c=nr.dot(ir),h=a*l-s*s;if(0===h)return r.set(-2,-1,-1);const u=1/h,d=(l*o-s*c)*u,p=(a*c-s*o)*u;return r.set(1-d-p,p,d)}static containsPoint(e,t,n,i){return this.getBarycoord(e,t,n,i,rr),rr.x>=0&&rr.y>=0&&rr.x+rr.y<=1}static getUV(e,t,n,i,r,a,s,o){return!1===ur&&(console.warn("THREE.Triangle.getUV() has been renamed to THREE.Triangle.getInterpolation()."),ur=!0),this.getInterpolation(e,t,n,i,r,a,s,o)}static getInterpolation(e,t,n,i,r,a,s,o){return this.getBarycoord(e,t,n,i,rr),o.setScalar(0),o.addScaledVector(r,rr.x),o.addScaledVector(a,rr.y),o.addScaledVector(s,rr.z),o}static isFrontFacing(e,t,n,i){return tr.subVectors(n,t),nr.subVectors(e,t),tr.cross(nr).dot(i)<0}set(e,t,n){return this.a.copy(e),this.b.copy(t),this.c.copy(n),this}setFromPointsAndIndices(e,t,n,i){return this.a.copy(e[t]),this.b.copy(e[n]),this.c.copy(e[i]),this}setFromAttributeAndIndices(e,t,n,i){return this.a.fromBufferAttribute(e,t),this.b.fromBufferAttribute(e,n),this.c.fromBufferAttribute(e,i),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 tr.subVectors(this.c,this.b),nr.subVectors(this.a,this.b),.5*tr.cross(nr).length()}getMidpoint(e){return e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return dr.getNormal(this.a,this.b,this.c,e)}getPlane(e){return e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return dr.getBarycoord(e,this.a,this.b,this.c,t)}getUV(e,t,n,i,r){return!1===ur&&(console.warn("THREE.Triangle.getUV() has been renamed to THREE.Triangle.getInterpolation()."),ur=!0),dr.getInterpolation(e,this.a,this.b,this.c,t,n,i,r)}getInterpolation(e,t,n,i,r){return dr.getInterpolation(e,this.a,this.b,this.c,t,n,i,r)}containsPoint(e){return dr.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return dr.isFrontFacing(this.a,this.b,this.c,e)}intersectsBox(e){return e.intersectsTriangle(this)}closestPointToPoint(e,t){const n=this.a,i=this.b,r=this.c;let a,s;ar.subVectors(i,n),sr.subVectors(r,n),lr.subVectors(e,n);const o=ar.dot(lr),l=sr.dot(lr);if(o<=0&&l<=0)return t.copy(n);cr.subVectors(e,i);const c=ar.dot(cr),h=sr.dot(cr);if(c>=0&&h<=c)return t.copy(i);const u=o*h-c*l;if(u<=0&&o>=0&&c<=0)return a=o/(o-c),t.copy(n).addScaledVector(ar,a);hr.subVectors(e,r);const d=ar.dot(hr),p=sr.dot(hr);if(p>=0&&d<=p)return t.copy(r);const f=d*l-o*p;if(f<=0&&l>=0&&p<=0)return s=l/(l-p),t.copy(n).addScaledVector(sr,s);const m=c*p-d*h;if(m<=0&&h-c>=0&&d-p>=0)return or.subVectors(r,i),s=(h-c)/(h-c+(d-p)),t.copy(i).addScaledVector(or,s);const g=1/(m+f+u);return a=f*g,s=u*g,t.copy(n).addScaledVector(ar,a).addScaledVector(sr,s)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}}let pr=0;class fr extends Kt{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:pr++}),this.uuid=en(),this.name="",this.type="Material",this.blending=_,this.side=p,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.alphaHash=!1,this.blendSrc=P,this.blendDst=U,this.blendEquation=S,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.depthFunc=k,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=Nt,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=Dt,this.stencilZFail=Dt,this.stencilZPass=Dt,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(const t in e){const n=e[t];if(void 0===n){console.warn(`THREE.Material: parameter '${t}' has value of undefined.`);continue}const i=this[t];void 0!==i?i&&i.isColor?i.set(n):i&&i.isVector3&&n&&n.isVector3?i.copy(n):this[t]=n:console.warn(`THREE.Material: '${t}' is not a property of THREE.${this.type}.`)}}toJSON(e){const t=void 0===e||"string"===typeof e;t&&(e={textures:{},images:{}});const n={metadata:{version:4.6,type:"Material",generator:"Material.toJSON"}};function i(e){const t=[];for(const n in e){const i=e[n];delete i.metadata,t.push(i)}return t}if(n.uuid=this.uuid,n.type=this.type,""!==this.name&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),void 0!==this.roughness&&(n.roughness=this.roughness),void 0!==this.metalness&&(n.metalness=this.metalness),void 0!==this.sheen&&(n.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(n.sheenColor=this.sheenColor.getHex()),void 0!==this.sheenRoughness&&(n.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),this.emissiveIntensity&&1!==this.emissiveIntensity&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),void 0!==this.specularIntensity&&(n.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(n.specularColor=this.specularColor.getHex()),void 0!==this.shininess&&(n.shininess=this.shininess),void 0!==this.clearcoat&&(n.clearcoat=this.clearcoat),void 0!==this.clearcoatRoughness&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),void 0!==this.iridescence&&(n.iridescence=this.iridescence),void 0!==this.iridescenceIOR&&(n.iridescenceIOR=this.iridescenceIOR),void 0!==this.iridescenceThicknessRange&&(n.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(n.iridescenceMap=this.iridescenceMap.toJSON(e).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(n.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(e).uuid),void 0!==this.anisotropy&&(n.anisotropy=this.anisotropy),void 0!==this.anisotropyRotation&&(n.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(n.anisotropyMap=this.anisotropyMap.toJSON(e).uuid),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(e).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(e).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(e).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(e).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(e).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(e).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(e).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(e).uuid,void 0!==this.combine&&(n.combine=this.combine)),void 0!==this.envMapIntensity&&(n.envMapIntensity=this.envMapIntensity),void 0!==this.reflectivity&&(n.reflectivity=this.reflectivity),void 0!==this.refractionRatio&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(e).uuid),void 0!==this.transmission&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(e).uuid),void 0!==this.thickness&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(e).uuid),void 0!==this.attenuationDistance&&this.attenuationDistance!==1/0&&(n.attenuationDistance=this.attenuationDistance),void 0!==this.attenuationColor&&(n.attenuationColor=this.attenuationColor.getHex()),void 0!==this.size&&(n.size=this.size),null!==this.shadowSide&&(n.shadowSide=this.shadowSide),void 0!==this.sizeAttenuation&&(n.sizeAttenuation=this.sizeAttenuation),this.blending!==_&&(n.blending=this.blending),this.side!==p&&(n.side=this.side),this.vertexColors&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),!0===this.transparent&&(n.transparent=this.transparent),n.depthFunc=this.depthFunc,n.depthTest=this.depthTest,n.depthWrite=this.depthWrite,n.colorWrite=this.colorWrite,n.stencilWrite=this.stencilWrite,n.stencilWriteMask=this.stencilWriteMask,n.stencilFunc=this.stencilFunc,n.stencilRef=this.stencilRef,n.stencilFuncMask=this.stencilFuncMask,n.stencilFail=this.stencilFail,n.stencilZFail=this.stencilZFail,n.stencilZPass=this.stencilZPass,void 0!==this.rotation&&0!==this.rotation&&(n.rotation=this.rotation),!0===this.polygonOffset&&(n.polygonOffset=!0),0!==this.polygonOffsetFactor&&(n.polygonOffsetFactor=this.polygonOffsetFactor),0!==this.polygonOffsetUnits&&(n.polygonOffsetUnits=this.polygonOffsetUnits),void 0!==this.linewidth&&1!==this.linewidth&&(n.linewidth=this.linewidth),void 0!==this.dashSize&&(n.dashSize=this.dashSize),void 0!==this.gapSize&&(n.gapSize=this.gapSize),void 0!==this.scale&&(n.scale=this.scale),!0===this.dithering&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),!0===this.alphaHash&&(n.alphaHash=this.alphaHash),!0===this.alphaToCoverage&&(n.alphaToCoverage=this.alphaToCoverage),!0===this.premultipliedAlpha&&(n.premultipliedAlpha=this.premultipliedAlpha),!0===this.forceSinglePass&&(n.forceSinglePass=this.forceSinglePass),!0===this.wireframe&&(n.wireframe=this.wireframe),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),"round"!==this.wireframeLinecap&&(n.wireframeLinecap=this.wireframeLinecap),"round"!==this.wireframeLinejoin&&(n.wireframeLinejoin=this.wireframeLinejoin),!0===this.flatShading&&(n.flatShading=this.flatShading),!1===this.visible&&(n.visible=!1),!1===this.toneMapped&&(n.toneMapped=!1),!1===this.fog&&(n.fog=!1),Object.keys(this.userData).length>0&&(n.userData=this.userData),t){const t=i(e.textures),r=i(e.images);t.length>0&&(n.textures=t),r.length>0&&(n.images=r)}return n}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.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;const t=e.clippingPlanes;let n=null;if(null!==t){const e=t.length;n=new Array(e);for(let i=0;i!==e;++i)n[i]=t[i].clone()}return this.clippingPlanes=n,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.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++}}const mr={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},gr={h:0,s:0,l:0},_r={h:0,s:0,l:0};function vr(e,t,n){return n<0&&(n+=1),n>1&&(n-=1),n<1/6?e+6*(t-e)*n:n<.5?t:n<2/3?e+6*(t-e)*(2/3-n):e}class xr{constructor(e,t,n){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(e,t,n)}set(e,t,n){if(void 0===t&&void 0===n){const t=e;t&&t.isColor?this.copy(t):"number"===typeof t?this.setHex(t):"string"===typeof t&&this.setStyle(t)}else this.setRGB(e,t,n);return this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e,t=Pt){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(255&e)/255,zn.toWorkingColorSpace(this,t),this}setRGB(e,t,n,i=zn.workingColorSpace){return this.r=e,this.g=t,this.b=n,zn.toWorkingColorSpace(this,i),this}setHSL(e,t,n,i=zn.workingColorSpace){if(e=nn(e,1),t=tn(t,0,1),n=tn(n,0,1),0===t)this.r=this.g=this.b=n;else{const i=n<=.5?n*(1+t):n+t-n*t,r=2*n-i;this.r=vr(r,i,e+1/3),this.g=vr(r,i,e),this.b=vr(r,i,e-1/3)}return zn.toWorkingColorSpace(this,i),this}setStyle(e,t=Pt){function n(t){void 0!==t&&parseFloat(t)<1&&console.warn("THREE.Color: Alpha component of "+e+" will be ignored.")}let i;if(i=/^(\w+)\(([^\)]*)\)/.exec(e)){let r;const 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)){const 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=Pt){const n=mr[e.toLowerCase()];return void 0!==n?this.setHex(n,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=Pn(e.r),this.g=Pn(e.g),this.b=Pn(e.b),this}copyLinearToSRGB(e){return this.r=Un(e.r),this.g=Un(e.g),this.b=Un(e.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(e=Pt){return zn.fromWorkingColorSpace(Mr.copy(this),e),65536*Math.round(tn(255*Mr.r,0,255))+256*Math.round(tn(255*Mr.g,0,255))+Math.round(tn(255*Mr.b,0,255))}getHexString(e=Pt){return("000000"+this.getHex(e).toString(16)).slice(-6)}getHSL(e,t=zn.workingColorSpace){zn.fromWorkingColorSpace(Mr.copy(this),t);const n=Mr.r,i=Mr.g,r=Mr.b,a=Math.max(n,i,r),s=Math.min(n,i,r);let o,l;const c=(s+a)/2;if(s===a)o=0,l=0;else{const e=a-s;switch(l=c<=.5?e/(a+s):e/(2-a-s),a){case n:o=(i-r)/e+(i<r?6:0);break;case i:o=(r-n)/e+2;break;case r:o=(n-i)/e+4;break}o/=6}return e.h=o,e.s=l,e.l=c,e}getRGB(e,t=zn.workingColorSpace){return zn.fromWorkingColorSpace(Mr.copy(this),t),e.r=Mr.r,e.g=Mr.g,e.b=Mr.b,e}getStyle(e=Pt){zn.fromWorkingColorSpace(Mr.copy(this),e);const t=Mr.r,n=Mr.g,i=Mr.b;return e!==Pt?`color(${e} ${t.toFixed(3)} ${n.toFixed(3)} ${i.toFixed(3)})`:`rgb(${Math.round(255*t)},${Math.round(255*n)},${Math.round(255*i)})`}offsetHSL(e,t,n){return this.getHSL(gr),gr.h+=e,gr.s+=t,gr.l+=n,this.setHSL(gr.h,gr.s,gr.l),this}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,n){return this.r=e.r+(t.r-e.r)*n,this.g=e.g+(t.g-e.g)*n,this.b=e.b+(t.b-e.b)*n,this}lerpHSL(e,t){this.getHSL(gr),e.getHSL(_r);const n=sn(gr.h,_r.h,t),i=sn(gr.s,_r.s,t),r=sn(gr.l,_r.l,t);return this.setHSL(n,i,r),this}setFromVector3(e){return this.r=e.x,this.g=e.y,this.b=e.z,this}applyMatrix3(e){const t=this.r,n=this.g,i=this.b,r=e.elements;return this.r=r[0]*t+r[3]*n+r[6]*i,this.g=r[1]*t+r[4]*n+r[7]*i,this.b=r[2]*t+r[5]*n+r[8]*i,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}}const Mr=new xr;xr.NAMES=mr;class yr extends fr{constructor(e){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new xr(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.combine=j,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.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}}const Sr=new $n,Tr=new En;class Er{constructor(e,t,n=!1){if(Array.isArray(e))throw new 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=n,this.usage=Wt,this.updateRange={offset:0,count:-1},this.gpuType=Se,this.version=0}onUploadCallback(){}set needsUpdate(e){!0===e&&this.version++}setUsage(e){return this.usage=e,this}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,n){e*=this.itemSize,n*=t.itemSize;for(let i=0,r=this.itemSize;i<r;i++)this.array[e+i]=t.array[n+i];return this}copyArray(e){return this.array.set(e),this}applyMatrix3(e){if(2===this.itemSize)for(let t=0,n=this.count;t<n;t++)Tr.fromBufferAttribute(this,t),Tr.applyMatrix3(e),this.setXY(t,Tr.x,Tr.y);else if(3===this.itemSize)for(let t=0,n=this.count;t<n;t++)Sr.fromBufferAttribute(this,t),Sr.applyMatrix3(e),this.setXYZ(t,Sr.x,Sr.y,Sr.z);return this}applyMatrix4(e){for(let t=0,n=this.count;t<n;t++)Sr.fromBufferAttribute(this,t),Sr.applyMatrix4(e),this.setXYZ(t,Sr.x,Sr.y,Sr.z);return this}applyNormalMatrix(e){for(let t=0,n=this.count;t<n;t++)Sr.fromBufferAttribute(this,t),Sr.applyNormalMatrix(e),this.setXYZ(t,Sr.x,Sr.y,Sr.z);return this}transformDirection(e){for(let t=0,n=this.count;t<n;t++)Sr.fromBufferAttribute(this,t),Sr.transformDirection(e),this.setXYZ(t,Sr.x,Sr.y,Sr.z);return this}set(e,t=0){return this.array.set(e,t),this}getComponent(e,t){let n=this.array[e*this.itemSize+t];return this.normalized&&(n=yn(n,this.array)),n}setComponent(e,t,n){return this.normalized&&(n=Sn(n,this.array)),this.array[e*this.itemSize+t]=n,this}getX(e){let t=this.array[e*this.itemSize];return this.normalized&&(t=yn(t,this.array)),t}setX(e,t){return this.normalized&&(t=Sn(t,this.array)),this.array[e*this.itemSize]=t,this}getY(e){let t=this.array[e*this.itemSize+1];return this.normalized&&(t=yn(t,this.array)),t}setY(e,t){return this.normalized&&(t=Sn(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=yn(t,this.array)),t}setZ(e,t){return this.normalized&&(t=Sn(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=yn(t,this.array)),t}setW(e,t){return this.normalized&&(t=Sn(t,this.array)),this.array[e*this.itemSize+3]=t,this}setXY(e,t,n){return e*=this.itemSize,this.normalized&&(t=Sn(t,this.array),n=Sn(n,this.array)),this.array[e+0]=t,this.array[e+1]=n,this}setXYZ(e,t,n,i){return e*=this.itemSize,this.normalized&&(t=Sn(t,this.array),n=Sn(n,this.array),i=Sn(i,this.array)),this.array[e+0]=t,this.array[e+1]=n,this.array[e+2]=i,this}setXYZW(e,t,n,i,r){return e*=this.itemSize,this.normalized&&(t=Sn(t,this.array),n=Sn(n,this.array),i=Sn(i,this.array),r=Sn(r,this.array)),this.array[e+0]=t,this.array[e+1]=n,this.array[e+2]=i,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(){const 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!==Wt&&(e.usage=this.usage),0===this.updateRange.offset&&-1===this.updateRange.count||(e.updateRange=this.updateRange),e}}class br extends Er{constructor(e,t,n){super(new Uint16Array(e),t,n)}}class Ar extends Er{constructor(e,t,n){super(new Uint32Array(e),t,n)}}class wr extends Er{constructor(e,t,n){super(new Float32Array(e),t,n)}}let Rr=0;const Cr=new Ci,Lr=new er,Pr=new $n,Ur=new ni,Ir=new ni,Dr=new $n;class Nr extends Kt{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:Rr++}),this.uuid=en(),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(wn(e)?Ar:br)(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,n=0){this.groups.push({start:e,count:t,materialIndex:n})}clearGroups(){this.groups=[]}setDrawRange(e,t){this.drawRange.start=e,this.drawRange.count=t}applyMatrix4(e){const t=this.attributes.position;void 0!==t&&(t.applyMatrix4(e),t.needsUpdate=!0);const n=this.attributes.normal;if(void 0!==n){const t=(new bn).getNormalMatrix(e);n.applyNormalMatrix(t),n.needsUpdate=!0}const i=this.attributes.tangent;return void 0!==i&&(i.transformDirection(e),i.needsUpdate=!0),null!==this.boundingBox&&this.computeBoundingBox(),null!==this.boundingSphere&&this.computeBoundingSphere(),this}applyQuaternion(e){return Cr.makeRotationFromQuaternion(e),this.applyMatrix4(Cr),this}rotateX(e){return Cr.makeRotationX(e),this.applyMatrix4(Cr),this}rotateY(e){return Cr.makeRotationY(e),this.applyMatrix4(Cr),this}rotateZ(e){return Cr.makeRotationZ(e),this.applyMatrix4(Cr),this}translate(e,t,n){return Cr.makeTranslation(e,t,n),this.applyMatrix4(Cr),this}scale(e,t,n){return Cr.makeScale(e,t,n),this.applyMatrix4(Cr),this}lookAt(e){return Lr.lookAt(e),Lr.updateMatrix(),this.applyMatrix4(Lr.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(Pr).negate(),this.translate(Pr.x,Pr.y,Pr.z),this}setFromPoints(e){const t=[];for(let n=0,i=e.length;n<i;n++){const i=e[n];t.push(i.x,i.y,i.z||0)}return this.setAttribute("position",new wr(t,3)),this}computeBoundingBox(){null===this.boundingBox&&(this.boundingBox=new ni);const e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingBox.set(new $n(-1/0,-1/0,-1/0),new $n(1/0,1/0,1/0));if(void 0!==e){if(this.boundingBox.setFromBufferAttribute(e),t)for(let n=0,i=t.length;n<i;n++){const e=t[n];Ur.setFromBufferAttribute(e),this.morphTargetsRelative?(Dr.addVectors(this.boundingBox.min,Ur.min),this.boundingBox.expandByPoint(Dr),Dr.addVectors(this.boundingBox.max,Ur.max),this.boundingBox.expandByPoint(Dr)):(this.boundingBox.expandByPoint(Ur.min),this.boundingBox.expandByPoint(Ur.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 Mi);const e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute)return console.error('THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere. Alternatively set "mesh.frustumCulled" to "false".',this),void this.boundingSphere.set(new $n,1/0);if(e){const n=this.boundingSphere.center;if(Ur.setFromBufferAttribute(e),t)for(let e=0,r=t.length;e<r;e++){const n=t[e];Ir.setFromBufferAttribute(n),this.morphTargetsRelative?(Dr.addVectors(Ur.min,Ir.min),Ur.expandByPoint(Dr),Dr.addVectors(Ur.max,Ir.max),Ur.expandByPoint(Dr)):(Ur.expandByPoint(Ir.min),Ur.expandByPoint(Ir.max))}Ur.getCenter(n);let i=0;for(let t=0,r=e.count;t<r;t++)Dr.fromBufferAttribute(e,t),i=Math.max(i,n.distanceToSquared(Dr));if(t)for(let r=0,a=t.length;r<a;r++){const a=t[r],s=this.morphTargetsRelative;for(let t=0,r=a.count;t<r;t++)Dr.fromBufferAttribute(a,t),s&&(Pr.fromBufferAttribute(e,t),Dr.add(Pr)),i=Math.max(i,n.distanceToSquared(Dr))}this.boundingSphere.radius=Math.sqrt(i),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}computeTangents(){const e=this.index,t=this.attributes;if(null===e||void 0===t.position||void 0===t.normal||void 0===t.uv)return void console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");const n=e.array,i=t.position.array,r=t.normal.array,a=t.uv.array,s=i.length/3;!1===this.hasAttribute("tangent")&&this.setAttribute("tangent",new Er(new Float32Array(4*s),4));const o=this.getAttribute("tangent").array,l=[],c=[];for(let b=0;b<s;b++)l[b]=new $n,c[b]=new $n;const h=new $n,u=new $n,d=new $n,p=new En,f=new En,m=new En,g=new $n,_=new $n;function v(e,t,n){h.fromArray(i,3*e),u.fromArray(i,3*t),d.fromArray(i,3*n),p.fromArray(a,2*e),f.fromArray(a,2*t),m.fromArray(a,2*n),u.sub(h),d.sub(h),f.sub(p),m.sub(p);const r=1/(f.x*m.y-m.x*f.y);isFinite(r)&&(g.copy(u).multiplyScalar(m.y).addScaledVector(d,-f.y).multiplyScalar(r),_.copy(d).multiplyScalar(f.x).addScaledVector(u,-m.x).multiplyScalar(r),l[e].add(g),l[t].add(g),l[n].add(g),c[e].add(_),c[t].add(_),c[n].add(_))}let x=this.groups;0===x.length&&(x=[{start:0,count:n.length}]);for(let b=0,A=x.length;b<A;++b){const e=x[b],t=e.start,i=e.count;for(let r=t,a=t+i;r<a;r+=3)v(n[r+0],n[r+1],n[r+2])}const M=new $n,y=new $n,S=new $n,T=new $n;function E(e){S.fromArray(r,3*e),T.copy(S);const t=l[e];M.copy(t),M.sub(S.multiplyScalar(S.dot(t))).normalize(),y.crossVectors(T,t);const n=y.dot(c[e]),i=n<0?-1:1;o[4*e]=M.x,o[4*e+1]=M.y,o[4*e+2]=M.z,o[4*e+3]=i}for(let b=0,A=x.length;b<A;++b){const e=x[b],t=e.start,i=e.count;for(let r=t,a=t+i;r<a;r+=3)E(n[r+0]),E(n[r+1]),E(n[r+2])}}computeVertexNormals(){const e=this.index,t=this.getAttribute("position");if(void 0!==t){let n=this.getAttribute("normal");if(void 0===n)n=new Er(new Float32Array(3*t.count),3),this.setAttribute("normal",n);else for(let e=0,t=n.count;e<t;e++)n.setXYZ(e,0,0,0);const i=new $n,r=new $n,a=new $n,s=new $n,o=new $n,l=new $n,c=new $n,h=new $n;if(e)for(let u=0,d=e.count;u<d;u+=3){const d=e.getX(u+0),p=e.getX(u+1),f=e.getX(u+2);i.fromBufferAttribute(t,d),r.fromBufferAttribute(t,p),a.fromBufferAttribute(t,f),c.subVectors(a,r),h.subVectors(i,r),c.cross(h),s.fromBufferAttribute(n,d),o.fromBufferAttribute(n,p),l.fromBufferAttribute(n,f),s.add(c),o.add(c),l.add(c),n.setXYZ(d,s.x,s.y,s.z),n.setXYZ(p,o.x,o.y,o.z),n.setXYZ(f,l.x,l.y,l.z)}else for(let e=0,u=t.count;e<u;e+=3)i.fromBufferAttribute(t,e+0),r.fromBufferAttribute(t,e+1),a.fromBufferAttribute(t,e+2),c.subVectors(a,r),h.subVectors(i,r),c.cross(h),n.setXYZ(e+0,c.x,c.y,c.z),n.setXYZ(e+1,c.x,c.y,c.z),n.setXYZ(e+2,c.x,c.y,c.z);this.normalizeNormals(),n.needsUpdate=!0}}normalizeNormals(){const e=this.attributes.normal;for(let t=0,n=e.count;t<n;t++)Dr.fromBufferAttribute(e,t),Dr.normalize(),e.setXYZ(t,Dr.x,Dr.y,Dr.z)}toNonIndexed(){function e(e,t){const n=e.array,i=e.itemSize,r=e.normalized,a=new n.constructor(t.length*i);let s=0,o=0;for(let l=0,c=t.length;l<c;l++){s=e.isInterleavedBufferAttribute?t[l]*e.data.stride+e.offset:t[l]*i;for(let e=0;e<i;e++)a[o++]=n[s++]}return new Er(a,i,r)}if(null===this.index)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const t=new Nr,n=this.index.array,i=this.attributes;for(const s in i){const r=i[s],a=e(r,n);t.setAttribute(s,a)}const r=this.morphAttributes;for(const s in r){const i=[],a=r[s];for(let t=0,r=a.length;t<r;t++){const r=a[t],s=e(r,n);i.push(s)}t.morphAttributes[s]=i}t.morphTargetsRelative=this.morphTargetsRelative;const a=this.groups;for(let s=0,o=a.length;s<o;s++){const e=a[s];t.addGroup(e.start,e.count,e.materialIndex)}return t}toJSON(){const 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){const t=this.parameters;for(const n in t)void 0!==t[n]&&(e[n]=t[n]);return e}e.data={attributes:{}};const t=this.index;null!==t&&(e.data.index={type:t.array.constructor.name,array:Array.prototype.slice.call(t.array)});const n=this.attributes;for(const o in n){const t=n[o];e.data.attributes[o]=t.toJSON(e.data)}const i={};let r=!1;for(const o in this.morphAttributes){const t=this.morphAttributes[o],n=[];for(let i=0,r=t.length;i<r;i++){const r=t[i];n.push(r.toJSON(e.data))}n.length>0&&(i[o]=n,r=!0)}r&&(e.data.morphAttributes=i,e.data.morphTargetsRelative=this.morphTargetsRelative);const a=this.groups;a.length>0&&(e.data.groups=JSON.parse(JSON.stringify(a)));const 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;const t={};this.name=e.name;const n=e.index;null!==n&&this.setIndex(n.clone(t));const i=e.attributes;for(const l in i){const e=i[l];this.setAttribute(l,e.clone(t))}const r=e.morphAttributes;for(const l in r){const e=[],n=r[l];for(let i=0,r=n.length;i<r;i++)e.push(n[i].clone(t));this.morphAttributes[l]=e}this.morphTargetsRelative=e.morphTargetsRelative;const a=e.groups;for(let l=0,c=a.length;l<c;l++){const e=a[l];this.addGroup(e.start,e.count,e.materialIndex)}const s=e.boundingBox;null!==s&&(this.boundingBox=s.clone());const 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"})}}const Or=new Ci,Fr=new Ri,Br=new Mi,zr=new $n,Hr=new $n,kr=new $n,Gr=new $n,Vr=new $n,Wr=new $n,Xr=new En,jr=new En,qr=new En,Yr=new $n,Kr=new $n,Zr=new $n,Jr=new $n,Qr=new $n;class $r extends er{constructor(e=new Nr,t=new yr){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=e.material,this.geometry=e.geometry,this}updateMorphTargets(){const e=this.geometry,t=e.morphAttributes,n=Object.keys(t);if(n.length>0){const e=t[n[0]];if(void 0!==e){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,n=e.length;t<n;t++){const n=e[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[n]=t}}}}getVertexPosition(e,t){const n=this.geometry,i=n.attributes.position,r=n.morphAttributes.position,a=n.morphTargetsRelative;t.fromBufferAttribute(i,e);const s=this.morphTargetInfluences;if(r&&s){Wr.set(0,0,0);for(let n=0,i=r.length;n<i;n++){const i=s[n],o=r[n];0!==i&&(Vr.fromBufferAttribute(o,e),a?Wr.addScaledVector(Vr,i):Wr.addScaledVector(Vr.sub(t),i))}t.add(Wr)}return t}raycast(e,t){const n=this.geometry,i=this.material,r=this.matrixWorld;if(void 0!==i){if(null===n.boundingSphere&&n.computeBoundingSphere(),Br.copy(n.boundingSphere),Br.applyMatrix4(r),Fr.copy(e.ray).recast(e.near),!1===Br.containsPoint(Fr.origin)){if(null===Fr.intersectSphere(Br,zr))return;if(Fr.origin.distanceToSquared(zr)>(e.far-e.near)**2)return}Or.copy(r).invert(),Fr.copy(e.ray).applyMatrix4(Or),null!==n.boundingBox&&!1===Fr.intersectsBox(n.boundingBox)||this._computeIntersections(e,t,Fr)}}_computeIntersections(e,t,n){let i;const r=this.geometry,a=this.material,s=r.index,o=r.attributes.position,l=r.attributes.uv,c=r.attributes.uv1,h=r.attributes.normal,u=r.groups,d=r.drawRange;if(null!==s)if(Array.isArray(a))for(let p=0,f=u.length;p<f;p++){const r=u[p],o=a[r.materialIndex],f=Math.max(r.start,d.start),m=Math.min(s.count,Math.min(r.start+r.count,d.start+d.count));for(let a=f,u=m;a<u;a+=3){const u=s.getX(a),d=s.getX(a+1),p=s.getX(a+2);i=ta(this,o,e,n,l,c,h,u,d,p),i&&(i.faceIndex=Math.floor(a/3),i.face.materialIndex=r.materialIndex,t.push(i))}}else{const r=Math.max(0,d.start),o=Math.min(s.count,d.start+d.count);for(let u=r,d=o;u<d;u+=3){const r=s.getX(u),o=s.getX(u+1),d=s.getX(u+2);i=ta(this,a,e,n,l,c,h,r,o,d),i&&(i.faceIndex=Math.floor(u/3),t.push(i))}}else if(void 0!==o)if(Array.isArray(a))for(let p=0,f=u.length;p<f;p++){const r=u[p],s=a[r.materialIndex],f=Math.max(r.start,d.start),m=Math.min(o.count,Math.min(r.start+r.count,d.start+d.count));for(let a=f,o=m;a<o;a+=3){const o=a,u=a+1,d=a+2;i=ta(this,s,e,n,l,c,h,o,u,d),i&&(i.faceIndex=Math.floor(a/3),i.face.materialIndex=r.materialIndex,t.push(i))}}else{const r=Math.max(0,d.start),s=Math.min(o.count,d.start+d.count);for(let o=r,u=s;o<u;o+=3){const r=o,s=o+1,u=o+2;i=ta(this,a,e,n,l,c,h,r,s,u),i&&(i.faceIndex=Math.floor(o/3),t.push(i))}}}}function ea(e,t,n,i,r,a,s,o){let l;if(l=t.side===f?i.intersectTriangle(s,a,r,!0,o):i.intersectTriangle(r,a,s,t.side===p,o),null===l)return null;Qr.copy(o),Qr.applyMatrix4(e.matrixWorld);const c=n.ray.origin.distanceTo(Qr);return c<n.near||c>n.far?null:{distance:c,point:Qr.clone(),object:e}}function ta(e,t,n,i,r,a,s,o,l,c){e.getVertexPosition(o,Hr),e.getVertexPosition(l,kr),e.getVertexPosition(c,Gr);const h=ea(e,t,n,i,Hr,kr,Gr,Jr);if(h){r&&(Xr.fromBufferAttribute(r,o),jr.fromBufferAttribute(r,l),qr.fromBufferAttribute(r,c),h.uv=dr.getInterpolation(Jr,Hr,kr,Gr,Xr,jr,qr,new En)),a&&(Xr.fromBufferAttribute(a,o),jr.fromBufferAttribute(a,l),qr.fromBufferAttribute(a,c),h.uv1=dr.getInterpolation(Jr,Hr,kr,Gr,Xr,jr,qr,new En),h.uv2=h.uv1),s&&(Yr.fromBufferAttribute(s,o),Kr.fromBufferAttribute(s,l),Zr.fromBufferAttribute(s,c),h.normal=dr.getInterpolation(Jr,Hr,kr,Gr,Yr,Kr,Zr,new $n),h.normal.dot(i.direction)>0&&h.normal.multiplyScalar(-1));const e={a:o,b:l,c:c,normal:new $n,materialIndex:0};dr.getNormal(Hr,kr,Gr,e.normal),h.face=e}return h}class na extends Nr{constructor(e=1,t=1,n=1,i=1,r=1,a=1){super(),this.type="BoxGeometry",this.parameters={width:e,height:t,depth:n,widthSegments:i,heightSegments:r,depthSegments:a};const s=this;i=Math.floor(i),r=Math.floor(r),a=Math.floor(a);const o=[],l=[],c=[],h=[];let u=0,d=0;function p(e,t,n,i,r,a,p,f,m,g,_){const v=a/m,x=p/g,M=a/2,y=p/2,S=f/2,T=m+1,E=g+1;let b=0,A=0;const w=new $n;for(let s=0;s<E;s++){const a=s*x-y;for(let o=0;o<T;o++){const u=o*v-M;w[e]=u*i,w[t]=a*r,w[n]=S,l.push(w.x,w.y,w.z),w[e]=0,w[t]=0,w[n]=f>0?1:-1,c.push(w.x,w.y,w.z),h.push(o/m),h.push(1-s/g),b+=1}}for(let s=0;s<g;s++)for(let e=0;e<m;e++){const t=u+e+T*s,n=u+e+T*(s+1),i=u+(e+1)+T*(s+1),r=u+(e+1)+T*s;o.push(t,n,r),o.push(n,i,r),A+=6}s.addGroup(d,A,_),d+=A,u+=b}p("z","y","x",-1,-1,n,t,e,a,r,0),p("z","y","x",1,-1,n,t,-e,a,r,1),p("x","z","y",1,1,e,n,t,i,a,2),p("x","z","y",1,-1,e,n,-t,i,a,3),p("x","y","z",1,-1,e,t,n,i,r,4),p("x","y","z",-1,-1,e,t,-n,i,r,5),this.setIndex(o),this.setAttribute("position",new wr(l,3)),this.setAttribute("normal",new wr(c,3)),this.setAttribute("uv",new wr(h,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new na(e.width,e.height,e.depth,e.widthSegments,e.heightSegments,e.depthSegments)}}function ia(e){const t={};for(const n in e){t[n]={};for(const i in e[n]){const r=e[n][i];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[n][i]=null):t[n][i]=r.clone():Array.isArray(r)?t[n][i]=r.slice():t[n][i]=r}}return t}function ra(e){const t={};for(let n=0;n<e.length;n++){const i=ia(e[n]);for(const e in i)t[e]=i[e]}return t}function aa(e){const t=[];for(let n=0;n<e.length;n++)t.push(e[n].clone());return t}function sa(e){return null===e.getRenderTarget()?e.outputColorSpace:Ut}const oa={clone:ia,merge:ra};var la="void main() {\n\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n}",ca="void main() {\n\tgl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );\n}";class ha extends fr{constructor(e){super(),this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader=la,this.fragmentShader=ca,this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.forceSinglePass=!0,this.extensions={derivatives:!1,fragDepth:!1,drawBuffers:!1,shaderTextureLOD:!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=ia(e.uniforms),this.uniformsGroups=aa(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){const t=super.toJSON(e);t.glslVersion=this.glslVersion,t.uniforms={};for(const i in this.uniforms){const n=this.uniforms[i],r=n.value;r&&r.isTexture?t.uniforms[i]={type:"t",value:r.toJSON(e).uuid}:r&&r.isColor?t.uniforms[i]={type:"c",value:r.getHex()}:r&&r.isVector2?t.uniforms[i]={type:"v2",value:r.toArray()}:r&&r.isVector3?t.uniforms[i]={type:"v3",value:r.toArray()}:r&&r.isVector4?t.uniforms[i]={type:"v4",value:r.toArray()}:r&&r.isMatrix3?t.uniforms[i]={type:"m3",value:r.toArray()}:r&&r.isMatrix4?t.uniforms[i]={type:"m4",value:r.toArray()}:t.uniforms[i]={value:r}}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;const n={};for(const i in this.extensions)!0===this.extensions[i]&&(n[i]=!0);return Object.keys(n).length>0&&(t.extensions=n),t}}class ua extends er{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new Ci,this.projectionMatrix=new Ci,this.projectionMatrixInverse=new Ci,this.coordinateSystem=qt}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){this.updateWorldMatrix(!0,!1);const t=this.matrixWorld.elements;return e.set(-t[8],-t[9],-t[10]).normalize()}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)}}class da extends ua{constructor(e=50,t=1,n=.1,i=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=e,this.zoom=1,this.near=n,this.far=i,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){const t=.5*this.getFilmHeight()/e;this.fov=2*$t*Math.atan(t),this.updateProjectionMatrix()}getFocalLength(){const e=Math.tan(.5*Qt*this.fov);return.5*this.getFilmHeight()/e}getEffectiveFOV(){return 2*$t*Math.atan(Math.tan(.5*Qt*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}setViewOffset(e,t,n,i,r,a){this.aspect=e/t,null===this.view&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=i,this.view.width=r,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const e=this.near;let t=e*Math.tan(.5*Qt*this.fov)/this.zoom,n=2*t,i=this.aspect*n,r=-.5*i;const a=this.view;if(null!==this.view&&this.view.enabled){const e=a.fullWidth,s=a.fullHeight;r+=a.offsetX*i/e,t-=a.offsetY*n/s,i*=a.width/e,n*=a.height/s}const s=this.filmOffset;0!==s&&(r+=e*s/this.getFilmWidth()),this.projectionMatrix.makePerspective(r,r+i,t,t-n,e,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){const 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}}const pa=-90,fa=1;class ma extends er{constructor(e,t,n){super(),this.type="CubeCamera",this.renderTarget=n,this.coordinateSystem=null;const i=new da(pa,fa,e,t);i.layers=this.layers,this.add(i);const r=new da(pa,fa,e,t);r.layers=this.layers,this.add(r);const a=new da(pa,fa,e,t);a.layers=this.layers,this.add(a);const s=new da(pa,fa,e,t);s.layers=this.layers,this.add(s);const o=new da(pa,fa,e,t);o.layers=this.layers,this.add(o);const l=new da(pa,fa,e,t);l.layers=this.layers,this.add(l)}updateCoordinateSystem(){const e=this.coordinateSystem,t=this.children.concat(),[n,i,r,a,s,o]=t;for(const l of t)this.remove(l);if(e===qt)n.up.set(0,1,0),n.lookAt(1,0,0),i.up.set(0,1,0),i.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!==Yt)throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+e);n.up.set(0,-1,0),n.lookAt(-1,0,0),i.up.set(0,-1,0),i.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)}for(const l of t)this.add(l),l.updateMatrixWorld()}update(e,t){null===this.parent&&this.updateMatrixWorld();const n=this.renderTarget;this.coordinateSystem!==e.coordinateSystem&&(this.coordinateSystem=e.coordinateSystem,this.updateCoordinateSystem());const[i,r,a,s,o,l]=this.children,c=e.getRenderTarget(),h=e.xr.enabled;e.xr.enabled=!1;const u=n.texture.generateMipmaps;n.texture.generateMipmaps=!1,e.setRenderTarget(n,0),e.render(t,i),e.setRenderTarget(n,1),e.render(t,r),e.setRenderTarget(n,2),e.render(t,a),e.setRenderTarget(n,3),e.render(t,s),e.setRenderTarget(n,4),e.render(t,o),n.texture.generateMipmaps=u,e.setRenderTarget(n,5),e.render(t,l),e.setRenderTarget(c),e.xr.enabled=h,n.texture.needsPMREMUpdate=!0}}class ga extends jn{constructor(e,t,n,i,r,a,s,o,l,c){e=void 0!==e?e:[],t=void 0!==t?t:ne,super(e,t,n,i,r,a,s,o,l,c),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(e){this.image=e}}class _a extends Kn{constructor(e=1,t={}){super(e,e,t),this.isWebGLCubeRenderTarget=!0;const n={width:e,height:e,depth:1},i=[n,n,n,n,n,n];void 0!==t.encoding&&(Ln("THREE.WebGLCubeRenderTarget: option.encoding has been replaced by option.colorSpace."),t.colorSpace=t.encoding===bt?Pt:Lt),this.texture=new ga(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:pe}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;const n={uniforms:{tEquirect:{value:null}},vertexShader:"\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\tvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\n\t\t\t\t\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n\n\t\t\t\t}\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvWorldDirection = transformDirection( position, modelMatrix );\n\n\t\t\t\t\t#include <begin_vertex>\n\t\t\t\t\t#include <project_vertex>\n\n\t\t\t\t}\n\t\t\t",fragmentShader:"\n\n\t\t\t\tuniform sampler2D tEquirect;\n\n\t\t\t\tvarying vec3 vWorldDirection;\n\n\t\t\t\t#include <common>\n\n\t\t\t\tvoid main() {\n\n\t\t\t\t\tvec3 direction = normalize( vWorldDirection );\n\n\t\t\t\t\tvec2 sampleUV = equirectUv( direction );\n\n\t\t\t\t\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\n\t\t\t\t}\n\t\t\t"},i=new na(5,5,5),r=new ha({name:"CubemapFromEquirect",uniforms:ia(n.uniforms),vertexShader:n.vertexShader,fragmentShader:n.fragmentShader,side:f,blending:g});r.uniforms.tEquirect.value=t;const a=new $r(i,r),s=t.minFilter;t.minFilter===me&&(t.minFilter=pe);const o=new ma(1,10,this);return o.update(e,a),t.minFilter=s,a.geometry.dispose(),a.material.dispose(),this}clear(e,t,n,i){const r=e.getRenderTarget();for(let a=0;a<6;a++)e.setRenderTarget(this,a),e.clear(t,n,i);e.setRenderTarget(r)}}const va=new $n,xa=new $n,Ma=new bn;class ya{constructor(e=new $n(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,n,i){return this.normal.set(e,t,n),this.constant=i,this}setFromNormalAndCoplanarPoint(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this}setFromCoplanarPoints(e,t,n){const i=va.subVectors(n,t).cross(xa.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(i,e),this}copy(e){return this.normal.copy(e.normal),this.constant=e.constant,this}normalize(){const 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){const n=e.delta(va),i=this.normal.dot(n);if(0===i)return 0===this.distanceToPoint(e.start)?t.copy(e.start):null;const r=-(e.start.dot(this.normal)+this.constant)/i;return r<0||r>1?null:t.copy(e.start).addScaledVector(n,r)}intersectsLine(e){const t=this.distanceToPoint(e.start),n=this.distanceToPoint(e.end);return t<0&&n>0||n<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){const n=t||Ma.getNormalMatrix(e),i=this.coplanarPoint(va).applyMatrix4(e),r=this.normal.applyMatrix3(n).normalize();return this.constant=-i.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)}}const Sa=new Mi,Ta=new $n;class Ea{constructor(e=new ya,t=new ya,n=new ya,i=new ya,r=new ya,a=new ya){this.planes=[e,t,n,i,r,a]}set(e,t,n,i,r,a){const s=this.planes;return s[0].copy(e),s[1].copy(t),s[2].copy(n),s[3].copy(i),s[4].copy(r),s[5].copy(a),this}copy(e){const t=this.planes;for(let n=0;n<6;n++)t[n].copy(e.planes[n]);return this}setFromProjectionMatrix(e,t=qt){const n=this.planes,i=e.elements,r=i[0],a=i[1],s=i[2],o=i[3],l=i[4],c=i[5],h=i[6],u=i[7],d=i[8],p=i[9],f=i[10],m=i[11],g=i[12],_=i[13],v=i[14],x=i[15];if(n[0].setComponents(o-r,u-l,m-d,x-g).normalize(),n[1].setComponents(o+r,u+l,m+d,x+g).normalize(),n[2].setComponents(o+a,u+c,m+p,x+_).normalize(),n[3].setComponents(o-a,u-c,m-p,x-_).normalize(),n[4].setComponents(o-s,u-h,m-f,x-v).normalize(),t===qt)n[5].setComponents(o+s,u+h,m+f,x+v).normalize();else{if(t!==Yt)throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+t);n[5].setComponents(s,h,f,v).normalize()}return this}intersectsObject(e){if(void 0!==e.boundingSphere)null===e.boundingSphere&&e.computeBoundingSphere(),Sa.copy(e.boundingSphere).applyMatrix4(e.matrixWorld);else{const t=e.geometry;null===t.boundingSphere&&t.computeBoundingSphere(),Sa.copy(t.boundingSphere).applyMatrix4(e.matrixWorld)}return this.intersectsSphere(Sa)}intersectsSprite(e){return Sa.center.set(0,0,0),Sa.radius=.7071067811865476,Sa.applyMatrix4(e.matrixWorld),this.intersectsSphere(Sa)}intersectsSphere(e){const t=this.planes,n=e.center,i=-e.radius;for(let r=0;r<6;r++){const e=t[r].distanceToPoint(n);if(e<i)return!1}return!0}intersectsBox(e){const t=this.planes;for(let n=0;n<6;n++){const i=t[n];if(Ta.x=i.normal.x>0?e.max.x:e.min.x,Ta.y=i.normal.y>0?e.max.y:e.min.y,Ta.z=i.normal.z>0?e.max.z:e.min.z,i.distanceToPoint(Ta)<0)return!1}return!0}containsPoint(e){const t=this.planes;for(let n=0;n<6;n++)if(t[n].distanceToPoint(e)<0)return!1;return!0}clone(){return(new this.constructor).copy(this)}}function ba(){let e=null,t=!1,n=null,i=null;function r(t,a){n(t,a),i=e.requestAnimationFrame(r)}return{start:function(){!0!==t&&null!==n&&(i=e.requestAnimationFrame(r),t=!0)},stop:function(){e.cancelAnimationFrame(i),t=!1},setAnimationLoop:function(e){n=e},setContext:function(t){e=t}}}function Aa(e,t){const n=t.isWebGL2,i=new WeakMap;function r(t,i){const r=t.array,a=t.usage,s=e.createBuffer();let o;if(e.bindBuffer(i,s),e.bufferData(i,r,a),t.onUploadCallback(),r instanceof Float32Array)o=e.FLOAT;else if(r instanceof Uint16Array)if(t.isFloat16BufferAttribute){if(!n)throw new Error("THREE.WebGLAttributes: Usage of Float16BufferAttribute requires WebGL2.");o=e.HALF_FLOAT}else o=e.UNSIGNED_SHORT;else if(r instanceof Int16Array)o=e.SHORT;else if(r instanceof Uint32Array)o=e.UNSIGNED_INT;else if(r instanceof Int32Array)o=e.INT;else if(r instanceof Int8Array)o=e.BYTE;else if(r instanceof Uint8Array)o=e.UNSIGNED_BYTE;else{if(!(r instanceof Uint8ClampedArray))throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+r);o=e.UNSIGNED_BYTE}return{buffer:s,type:o,bytesPerElement:r.BYTES_PER_ELEMENT,version:t.version}}function a(t,i,r){const a=i.array,s=i.updateRange;e.bindBuffer(r,t),-1===s.count?e.bufferSubData(r,0,a):(n?e.bufferSubData(r,s.offset*a.BYTES_PER_ELEMENT,a,s.offset,s.count):e.bufferSubData(r,s.offset*a.BYTES_PER_ELEMENT,a.subarray(s.offset,s.offset+s.count)),s.count=-1),i.onUploadCallback()}function s(e){return e.isInterleavedBufferAttribute&&(e=e.data),i.get(e)}function o(t){t.isInterleavedBufferAttribute&&(t=t.data);const n=i.get(t);n&&(e.deleteBuffer(n.buffer),i.delete(t))}function l(e,t){if(e.isGLBufferAttribute){const t=i.get(e);return void((!t||t.version<e.version)&&i.set(e,{buffer:e.buffer,type:e.type,bytesPerElement:e.elementSize,version:e.version}))}e.isInterleavedBufferAttribute&&(e=e.data);const n=i.get(e);void 0===n?i.set(e,r(e,t)):n.version<e.version&&(a(n.buffer,e,t),n.version=e.version)}return{get:s,remove:o,update:l}}class wa extends Nr{constructor(e=1,t=1,n=1,i=1){super(),this.type="PlaneGeometry",this.parameters={width:e,height:t,widthSegments:n,heightSegments:i};const r=e/2,a=t/2,s=Math.floor(n),o=Math.floor(i),l=s+1,c=o+1,h=e/s,u=t/o,d=[],p=[],f=[],m=[];for(let g=0;g<c;g++){const e=g*u-a;for(let t=0;t<l;t++){const n=t*h-r;p.push(n,-e,0),f.push(0,0,1),m.push(t/s),m.push(1-g/o)}}for(let g=0;g<o;g++)for(let e=0;e<s;e++){const t=e+l*g,n=e+l*(g+1),i=e+1+l*(g+1),r=e+1+l*g;d.push(t,n,r),d.push(n,i,r)}this.setIndex(d),this.setAttribute("position",new wr(p,3)),this.setAttribute("normal",new wr(f,3)),this.setAttribute("uv",new wr(m,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new wa(e.width,e.height,e.widthSegments,e.heightSegments)}}var Ra="#ifdef USE_ALPHAHASH\n\tif ( diffuseColor.a < getAlphaHashThreshold( vPosition ) ) discard;\n#endif",Ca="#ifdef USE_ALPHAHASH\n\tconst float ALPHA_HASH_SCALE = 0.05;\n\tfloat hash2D( vec2 value ) {\n\t\treturn fract( 1.0e4 * sin( 17.0 * value.x + 0.1 * value.y ) * ( 0.1 + abs( sin( 13.0 * value.y + value.x ) ) ) );\n\t}\n\tfloat hash3D( vec3 value ) {\n\t\treturn hash2D( vec2( hash2D( value.xy ), value.z ) );\n\t}\n\tfloat getAlphaHashThreshold( vec3 position ) {\n\t\tfloat maxDeriv = max(\n\t\t\tlength( dFdx( position.xyz ) ),\n\t\t\tlength( dFdy( position.xyz ) )\n\t\t);\n\t\tfloat pixScale = 1.0 / ( ALPHA_HASH_SCALE * maxDeriv );\n\t\tvec2 pixScales = vec2(\n\t\t\texp2( floor( log2( pixScale ) ) ),\n\t\t\texp2( ceil( log2( pixScale ) ) )\n\t\t);\n\t\tvec2 alpha = vec2(\n\t\t\thash3D( floor( pixScales.x * position.xyz ) ),\n\t\t\thash3D( floor( pixScales.y * position.xyz ) )\n\t\t);\n\t\tfloat lerpFactor = fract( log2( pixScale ) );\n\t\tfloat x = ( 1.0 - lerpFactor ) * alpha.x + lerpFactor * alpha.y;\n\t\tfloat a = min( lerpFactor, 1.0 - lerpFactor );\n\t\tvec3 cases = vec3(\n\t\t\tx * x / ( 2.0 * a * ( 1.0 - a ) ),\n\t\t\t( x - 0.5 * a ) / ( 1.0 - a ),\n\t\t\t1.0 - ( ( 1.0 - x ) * ( 1.0 - x ) / ( 2.0 * a * ( 1.0 - a ) ) )\n\t\t);\n\t\tfloat threshold = ( x < ( 1.0 - a ) )\n\t\t\t? ( ( x < a ) ? cases.x : cases.y )\n\t\t\t: cases.z;\n\t\treturn clamp( threshold , 1.0e-6, 1.0 );\n\t}\n#endif",La="#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, vAlphaMapUv ).g;\n#endif",Pa="#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",Ua="#ifdef USE_ALPHATEST\n\tif ( diffuseColor.a < alphaTest ) discard;\n#endif",Ia="#ifdef USE_ALPHATEST\n\tuniform float alphaTest;\n#endif",Da="#ifdef USE_AOMAP\n\tfloat ambientOcclusion = ( texture2D( aoMap, vAoMapUv ).r - 1.0 ) * aoMapIntensity + 1.0;\n\treflectedLight.indirectDiffuse *= ambientOcclusion;\n\t#if defined( USE_ENVMAP ) && defined( STANDARD )\n\t\tfloat dotNV = saturate( dot( geometry.normal, geometry.viewDir ) );\n\t\treflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );\n\t#endif\n#endif",Na="#ifdef USE_AOMAP\n\tuniform sampler2D aoMap;\n\tuniform float aoMapIntensity;\n#endif",Oa="vec3 transformed = vec3( position );\n#ifdef USE_ALPHAHASH\n\tvPosition = vec3( position );\n#endif",Fa="vec3 objectNormal = vec3( normal );\n#ifdef USE_TANGENT\n\tvec3 objectTangent = vec3( tangent.xyz );\n#endif",Ba="float G_BlinnPhong_Implicit( ) {\n\treturn 0.25;\n}\nfloat D_BlinnPhong( const in float shininess, const in float dotNH ) {\n\treturn RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );\n}\nvec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( specularColor, 1.0, dotVH );\n\tfloat G = G_BlinnPhong_Implicit( );\n\tfloat D = D_BlinnPhong( shininess, dotNH );\n\treturn F * ( G * D );\n} // validated",za="#ifdef USE_IRIDESCENCE\n\tconst mat3 XYZ_TO_REC709 = mat3(\n\t\t 3.2404542, -0.9692660,  0.0556434,\n\t\t-1.5371385,  1.8760108, -0.2040259,\n\t\t-0.4985314,  0.0415560,  1.0572252\n\t);\n\tvec3 Fresnel0ToIor( vec3 fresnel0 ) {\n\t\tvec3 sqrtF0 = sqrt( fresnel0 );\n\t\treturn ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );\n\t}\n\tvec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );\n\t}\n\tfloat IorToFresnel0( float transmittedIor, float incidentIor ) {\n\t\treturn pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));\n\t}\n\tvec3 evalSensitivity( float OPD, vec3 shift ) {\n\t\tfloat phase = 2.0 * PI * OPD * 1.0e-9;\n\t\tvec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );\n\t\tvec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );\n\t\tvec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );\n\t\tvec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );\n\t\txyz.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\t\txyz /= 1.0685e-7;\n\t\tvec3 rgb = XYZ_TO_REC709 * xyz;\n\t\treturn rgb;\n\t}\n\tvec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {\n\t\tvec3 I;\n\t\tfloat iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );\n\t\tfloat sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );\n\t\tfloat cosTheta2Sq = 1.0 - sinTheta2Sq;\n\t\tif ( cosTheta2Sq < 0.0 ) {\n\t\t\treturn vec3( 1.0 );\n\t\t}\n\t\tfloat cosTheta2 = sqrt( cosTheta2Sq );\n\t\tfloat R0 = IorToFresnel0( iridescenceIOR, outsideIOR );\n\t\tfloat R12 = F_Schlick( R0, 1.0, cosTheta1 );\n\t\tfloat T121 = 1.0 - R12;\n\t\tfloat phi12 = 0.0;\n\t\tif ( iridescenceIOR < outsideIOR ) phi12 = PI;\n\t\tfloat phi21 = PI - phi12;\n\t\tvec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );\t\tvec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );\n\t\tvec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );\n\t\tvec3 phi23 = vec3( 0.0 );\n\t\tif ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;\n\t\tif ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;\n\t\tif ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;\n\t\tfloat OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;\n\t\tvec3 phi = vec3( phi21 ) + phi23;\n\t\tvec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );\n\t\tvec3 r123 = sqrt( R123 );\n\t\tvec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );\n\t\tvec3 C0 = R12 + Rs;\n\t\tI = C0;\n\t\tvec3 Cm = Rs - T121;\n\t\tfor ( int m = 1; m <= 2; ++ m ) {\n\t\t\tCm *= r123;\n\t\t\tvec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );\n\t\t\tI += Cm * Sm;\n\t\t}\n\t\treturn max( I, vec3( 0.0 ) );\n\t}\n#endif",Ha="#ifdef USE_BUMPMAP\n\tuniform sampler2D bumpMap;\n\tuniform float bumpScale;\n\tvec2 dHdxy_fwd() {\n\t\tvec2 dSTdx = dFdx( vBumpMapUv );\n\t\tvec2 dSTdy = dFdy( vBumpMapUv );\n\t\tfloat Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x;\n\t\tfloat dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll;\n\t\tfloat dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdy ).x - Hll;\n\t\treturn vec2( dBx, dBy );\n\t}\n\tvec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {\n\t\tvec3 vSigmaX = dFdx( surf_pos.xyz );\n\t\tvec3 vSigmaY = dFdy( surf_pos.xyz );\n\t\tvec3 vN = surf_norm;\n\t\tvec3 R1 = cross( vSigmaY, vN );\n\t\tvec3 R2 = cross( vN, vSigmaX );\n\t\tfloat fDet = dot( vSigmaX, R1 ) * faceDirection;\n\t\tvec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );\n\t\treturn normalize( abs( fDet ) * surf_norm - vGrad );\n\t}\n#endif",ka="#if NUM_CLIPPING_PLANES > 0\n\tvec4 plane;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {\n\t\tplane = clippingPlanes[ i ];\n\t\tif ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;\n\t}\n\t#pragma unroll_loop_end\n\t#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES\n\t\tbool clipped = true;\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {\n\t\t\tplane = clippingPlanes[ i ];\n\t\t\tclipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t\tif ( clipped ) discard;\n\t#endif\n#endif",Ga="#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n\tuniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];\n#endif",Va="#if NUM_CLIPPING_PLANES > 0\n\tvarying vec3 vClipPosition;\n#endif",Wa="#if NUM_CLIPPING_PLANES > 0\n\tvClipPosition = - mvPosition.xyz;\n#endif",Xa="#if defined( USE_COLOR_ALPHA )\n\tdiffuseColor *= vColor;\n#elif defined( USE_COLOR )\n\tdiffuseColor.rgb *= vColor;\n#endif",ja="#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR )\n\tvarying vec3 vColor;\n#endif",qa="#if defined( USE_COLOR_ALPHA )\n\tvarying vec4 vColor;\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvarying vec3 vColor;\n#endif",Ya="#if defined( USE_COLOR_ALPHA )\n\tvColor = vec4( 1.0 );\n#elif defined( USE_COLOR ) || defined( USE_INSTANCING_COLOR )\n\tvColor = vec3( 1.0 );\n#endif\n#ifdef USE_COLOR\n\tvColor *= color;\n#endif\n#ifdef USE_INSTANCING_COLOR\n\tvColor.xyz *= instanceColor.xyz;\n#endif",Ka="#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\tconst highp float a = 12.9898, b = 78.233, c = 43758.5453;\n\thighp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );\n\treturn fract( sin( sn ) * c );\n}\n#ifdef HIGH_PRECISION\n\tfloat precisionSafeLength( vec3 v ) { return length( v ); }\n#else\n\tfloat precisionSafeLength( vec3 v ) {\n\t\tfloat maxComponent = max3( abs( v ) );\n\t\treturn length( v / maxComponent ) * maxComponent;\n\t}\n#endif\nstruct IncidentLight {\n\tvec3 color;\n\tvec3 direction;\n\tbool visible;\n};\nstruct ReflectedLight {\n\tvec3 directDiffuse;\n\tvec3 directSpecular;\n\tvec3 indirectDiffuse;\n\tvec3 indirectSpecular;\n};\nstruct GeometricContext {\n\tvec3 position;\n\tvec3 normal;\n\tvec3 viewDir;\n#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal;\n#endif\n};\n#ifdef USE_ALPHAHASH\n\tvarying vec3 vPosition;\n#endif\nvec3 transformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );\n}\nvec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {\n\treturn normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );\n}\nmat3 transposeMat3( const in mat3 m ) {\n\tmat3 tmp;\n\ttmp[ 0 ] = vec3( m[ 0 ].x, m[ 1 ].x, m[ 2 ].x );\n\ttmp[ 1 ] = vec3( m[ 0 ].y, m[ 1 ].y, m[ 2 ].y );\n\ttmp[ 2 ] = vec3( m[ 0 ].z, m[ 1 ].z, m[ 2 ].z );\n\treturn tmp;\n}\nfloat luminance( const in vec3 rgb ) {\n\tconst vec3 weights = vec3( 0.2126729, 0.7151522, 0.0721750 );\n\treturn dot( weights, rgb );\n}\nbool isPerspectiveMatrix( mat4 m ) {\n\treturn m[ 2 ][ 3 ] == - 1.0;\n}\nvec2 equirectUv( in vec3 dir ) {\n\tfloat u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;\n\tfloat v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;\n\treturn vec2( u, v );\n}\nvec3 BRDF_Lambert( const in vec3 diffuseColor ) {\n\treturn RECIPROCAL_PI * diffuseColor;\n}\nvec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n}\nfloat F_Schlick( const in float f0, const in float f90, const in float dotVH ) {\n\tfloat fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );\n\treturn f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );\n} // validated",Za="#ifdef ENVMAP_TYPE_CUBE_UV\n\t#define cubeUV_minMipLevel 4.0\n\t#define cubeUV_minTileSize 16.0\n\tfloat getFace( vec3 direction ) {\n\t\tvec3 absDirection = abs( direction );\n\t\tfloat face = - 1.0;\n\t\tif ( absDirection.x > absDirection.z ) {\n\t\t\tif ( absDirection.x > absDirection.y )\n\t\t\t\tface = direction.x > 0.0 ? 0.0 : 3.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t} else {\n\t\t\tif ( absDirection.z > absDirection.y )\n\t\t\t\tface = direction.z > 0.0 ? 2.0 : 5.0;\n\t\t\telse\n\t\t\t\tface = direction.y > 0.0 ? 1.0 : 4.0;\n\t\t}\n\t\treturn face;\n\t}\n\tvec2 getUV( vec3 direction, float face ) {\n\t\tvec2 uv;\n\t\tif ( face == 0.0 ) {\n\t\t\tuv = vec2( direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 1.0 ) {\n\t\t\tuv = vec2( - direction.x, - direction.z ) / abs( direction.y );\n\t\t} else if ( face == 2.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.y ) / abs( direction.z );\n\t\t} else if ( face == 3.0 ) {\n\t\t\tuv = vec2( - direction.z, direction.y ) / abs( direction.x );\n\t\t} else if ( face == 4.0 ) {\n\t\t\tuv = vec2( - direction.x, direction.z ) / abs( direction.y );\n\t\t} else {\n\t\t\tuv = vec2( direction.x, direction.y ) / abs( direction.z );\n\t\t}\n\t\treturn 0.5 * ( uv + 1.0 );\n\t}\n\tvec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {\n\t\tfloat face = getFace( direction );\n\t\tfloat filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );\n\t\tmipInt = max( mipInt, cubeUV_minMipLevel );\n\t\tfloat faceSize = exp2( mipInt );\n\t\thighp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;\n\t\tif ( face > 2.0 ) {\n\t\t\tuv.y += faceSize;\n\t\t\tface -= 3.0;\n\t\t}\n\t\tuv.x += face * faceSize;\n\t\tuv.x += filterInt * 3.0 * cubeUV_minTileSize;\n\t\tuv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );\n\t\tuv.x *= CUBEUV_TEXEL_WIDTH;\n\t\tuv.y *= CUBEUV_TEXEL_HEIGHT;\n\t\t#ifdef texture2DGradEXT\n\t\t\treturn texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;\n\t\t#else\n\t\t\treturn texture2D( envMap, uv ).rgb;\n\t\t#endif\n\t}\n\t#define cubeUV_r0 1.0\n\t#define cubeUV_v0 0.339\n\t#define cubeUV_m0 - 2.0\n\t#define cubeUV_r1 0.8\n\t#define cubeUV_v1 0.276\n\t#define cubeUV_m1 - 1.0\n\t#define cubeUV_r4 0.4\n\t#define cubeUV_v4 0.046\n\t#define cubeUV_m4 2.0\n\t#define cubeUV_r5 0.305\n\t#define cubeUV_v5 0.016\n\t#define cubeUV_m5 3.0\n\t#define cubeUV_r6 0.21\n\t#define cubeUV_v6 0.0038\n\t#define cubeUV_m6 4.0\n\tfloat roughnessToMip( float roughness ) {\n\t\tfloat mip = 0.0;\n\t\tif ( roughness >= cubeUV_r1 ) {\n\t\t\tmip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;\n\t\t} else if ( roughness >= cubeUV_r4 ) {\n\t\t\tmip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;\n\t\t} else if ( roughness >= cubeUV_r5 ) {\n\t\t\tmip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;\n\t\t} else if ( roughness >= cubeUV_r6 ) {\n\t\t\tmip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;\n\t\t} else {\n\t\t\tmip = - 2.0 * log2( 1.16 * roughness );\t\t}\n\t\treturn mip;\n\t}\n\tvec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {\n\t\tfloat mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );\n\t\tfloat mipF = fract( mip );\n\t\tfloat mipInt = floor( mip );\n\t\tvec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );\n\t\tif ( mipF == 0.0 ) {\n\t\t\treturn vec4( color0, 1.0 );\n\t\t} else {\n\t\t\tvec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );\n\t\t\treturn vec4( mix( color0, color1, mipF ), 1.0 );\n\t\t}\n\t}\n#endif",Ja="vec3 transformedNormal = objectNormal;\n#ifdef USE_INSTANCING\n\tmat3 m = mat3( instanceMatrix );\n\ttransformedNormal /= vec3( dot( m[ 0 ], m[ 0 ] ), dot( m[ 1 ], m[ 1 ] ), dot( m[ 2 ], m[ 2 ] ) );\n\ttransformedNormal = m * transformedNormal;\n#endif\ntransformedNormal = normalMatrix * transformedNormal;\n#ifdef FLIP_SIDED\n\ttransformedNormal = - transformedNormal;\n#endif\n#ifdef USE_TANGENT\n\tvec3 transformedTangent = ( modelViewMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#ifdef FLIP_SIDED\n\t\ttransformedTangent = - transformedTangent;\n\t#endif\n#endif",Qa="#ifdef USE_DISPLACEMENTMAP\n\tuniform sampler2D displacementMap;\n\tuniform float displacementScale;\n\tuniform float displacementBias;\n#endif",$a="#ifdef USE_DISPLACEMENTMAP\n\ttransformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + displacementBias );\n#endif",es="#ifdef USE_EMISSIVEMAP\n\tvec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );\n\ttotalEmissiveRadiance *= emissiveColor.rgb;\n#endif",ts="#ifdef USE_EMISSIVEMAP\n\tuniform sampler2D emissiveMap;\n#endif",ns="gl_FragColor = linearToOutputTexel( gl_FragColor );",is="vec4 LinearToLinear( in vec4 value ) {\n\treturn value;\n}\nvec4 LinearTosRGB( in vec4 value ) {\n\treturn vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );\n}",rs="#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvec3 cameraToFrag;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToFrag = normalize( vWorldPosition - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvec3 reflectVec = reflect( cameraToFrag, worldNormal );\n\t\t#else\n\t\t\tvec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );\n\t\t#endif\n\t#else\n\t\tvec3 reflectVec = vReflect;\n\t#endif\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 envColor = textureCube( envMap, vec3( flipEnvMap * reflectVec.x, reflectVec.yz ) );\n\t#else\n\t\tvec4 envColor = vec4( 0.0 );\n\t#endif\n\t#ifdef ENVMAP_BLENDING_MULTIPLY\n\t\toutgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_MIX )\n\t\toutgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );\n\t#elif defined( ENVMAP_BLENDING_ADD )\n\t\toutgoingLight += envColor.xyz * specularStrength * reflectivity;\n\t#endif\n#endif",as="#ifdef USE_ENVMAP\n\tuniform float envMapIntensity;\n\tuniform float flipEnvMap;\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tuniform samplerCube envMap;\n\t#else\n\t\tuniform sampler2D envMap;\n\t#endif\n\t\n#endif",ss="#ifdef USE_ENVMAP\n\tuniform float reflectivity;\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\tvarying vec3 vWorldPosition;\n\t\tuniform float refractionRatio;\n\t#else\n\t\tvarying vec3 vReflect;\n\t#endif\n#endif",os="#ifdef USE_ENVMAP\n\t#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )\n\t\t#define ENV_WORLDPOS\n\t#endif\n\t#ifdef ENV_WORLDPOS\n\t\t\n\t\tvarying vec3 vWorldPosition;\n\t#else\n\t\tvarying vec3 vReflect;\n\t\tuniform float refractionRatio;\n\t#endif\n#endif",ls="#ifdef USE_ENVMAP\n\t#ifdef ENV_WORLDPOS\n\t\tvWorldPosition = worldPosition.xyz;\n\t#else\n\t\tvec3 cameraToVertex;\n\t\tif ( isOrthographic ) {\n\t\t\tcameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );\n\t\t} else {\n\t\t\tcameraToVertex = normalize( worldPosition.xyz - cameraPosition );\n\t\t}\n\t\tvec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\t\t#ifdef ENVMAP_MODE_REFLECTION\n\t\t\tvReflect = reflect( cameraToVertex, worldNormal );\n\t\t#else\n\t\t\tvReflect = refract( cameraToVertex, worldNormal, refractionRatio );\n\t\t#endif\n\t#endif\n#endif",cs="#ifdef USE_FOG\n\tvFogDepth = - mvPosition.z;\n#endif",hs="#ifdef USE_FOG\n\tvarying float vFogDepth;\n#endif",us="#ifdef USE_FOG\n\t#ifdef FOG_EXP2\n\t\tfloat fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );\n\t#else\n\t\tfloat fogFactor = smoothstep( fogNear, fogFar, vFogDepth );\n\t#endif\n\tgl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );\n#endif",ds="#ifdef USE_FOG\n\tuniform vec3 fogColor;\n\tvarying float vFogDepth;\n\t#ifdef FOG_EXP2\n\t\tuniform float fogDensity;\n\t#else\n\t\tuniform float fogNear;\n\t\tuniform float fogFar;\n\t#endif\n#endif",ps="#ifdef USE_GRADIENTMAP\n\tuniform sampler2D gradientMap;\n#endif\nvec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {\n\tfloat dotNL = dot( normal, lightDirection );\n\tvec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );\n\t#ifdef USE_GRADIENTMAP\n\t\treturn vec3( texture2D( gradientMap, coord ).r );\n\t#else\n\t\tvec2 fw = fwidth( coord ) * 0.5;\n\t\treturn mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );\n\t#endif\n}",fs="#ifdef USE_LIGHTMAP\n\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\treflectedLight.indirectDiffuse += lightMapIrradiance;\n#endif",ms="#ifdef USE_LIGHTMAP\n\tuniform sampler2D lightMap;\n\tuniform float lightMapIntensity;\n#endif",gs="LambertMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularStrength = specularStrength;",_s="varying vec3 vViewPosition;\nstruct LambertMaterial {\n\tvec3 diffuseColor;\n\tfloat specularStrength;\n};\nvoid RE_Direct_Lambert( const in IncidentLight directLight, const in GeometricContext geometry, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in GeometricContext geometry, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Lambert\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Lambert",vs="uniform bool receiveShadow;\nuniform vec3 ambientLightColor;\nuniform vec3 lightProbe[ 9 ];\nvec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {\n\tfloat x = normal.x, y = normal.y, z = normal.z;\n\tvec3 result = shCoefficients[ 0 ] * 0.886227;\n\tresult += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;\n\tresult += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;\n\tresult += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;\n\tresult += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;\n\tresult += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;\n\tresult += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );\n\tresult += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;\n\tresult += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );\n\treturn result;\n}\nvec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {\n\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\tvec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );\n\treturn irradiance;\n}\nvec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {\n\tvec3 irradiance = ambientLightColor;\n\treturn irradiance;\n}\nfloat getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {\n\t#if defined ( LEGACY_LIGHTS )\n\t\tif ( cutoffDistance > 0.0 && decayExponent > 0.0 ) {\n\t\t\treturn pow( saturate( - lightDistance / cutoffDistance + 1.0 ), decayExponent );\n\t\t}\n\t\treturn 1.0;\n\t#else\n\t\tfloat distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );\n\t\tif ( cutoffDistance > 0.0 ) {\n\t\t\tdistanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );\n\t\t}\n\t\treturn distanceFalloff;\n\t#endif\n}\nfloat getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {\n\treturn smoothstep( coneCosine, penumbraCosine, angleCosine );\n}\n#if NUM_DIR_LIGHTS > 0\n\tstruct DirectionalLight {\n\t\tvec3 direction;\n\t\tvec3 color;\n\t};\n\tuniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];\n\tvoid getDirectionalLightInfo( const in DirectionalLight directionalLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tlight.color = directionalLight.color;\n\t\tlight.direction = directionalLight.direction;\n\t\tlight.visible = true;\n\t}\n#endif\n#if NUM_POINT_LIGHTS > 0\n\tstruct PointLight {\n\t\tvec3 position;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t};\n\tuniform PointLight pointLights[ NUM_POINT_LIGHTS ];\n\tvoid getPointLightInfo( const in PointLight pointLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = pointLight.position - geometry.position;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat lightDistance = length( lVector );\n\t\tlight.color = pointLight.color;\n\t\tlight.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );\n\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t}\n#endif\n#if NUM_SPOT_LIGHTS > 0\n\tstruct SpotLight {\n\t\tvec3 position;\n\t\tvec3 direction;\n\t\tvec3 color;\n\t\tfloat distance;\n\t\tfloat decay;\n\t\tfloat coneCos;\n\t\tfloat penumbraCos;\n\t};\n\tuniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];\n\tvoid getSpotLightInfo( const in SpotLight spotLight, const in GeometricContext geometry, out IncidentLight light ) {\n\t\tvec3 lVector = spotLight.position - geometry.position;\n\t\tlight.direction = normalize( lVector );\n\t\tfloat angleCos = dot( light.direction, spotLight.direction );\n\t\tfloat spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );\n\t\tif ( spotAttenuation > 0.0 ) {\n\t\t\tfloat lightDistance = length( lVector );\n\t\t\tlight.color = spotLight.color * spotAttenuation;\n\t\t\tlight.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );\n\t\t\tlight.visible = ( light.color != vec3( 0.0 ) );\n\t\t} else {\n\t\t\tlight.color = vec3( 0.0 );\n\t\t\tlight.visible = false;\n\t\t}\n\t}\n#endif\n#if NUM_RECT_AREA_LIGHTS > 0\n\tstruct RectAreaLight {\n\t\tvec3 color;\n\t\tvec3 position;\n\t\tvec3 halfWidth;\n\t\tvec3 halfHeight;\n\t};\n\tuniform sampler2D ltc_1;\tuniform sampler2D ltc_2;\n\tuniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];\n#endif\n#if NUM_HEMI_LIGHTS > 0\n\tstruct HemisphereLight {\n\t\tvec3 direction;\n\t\tvec3 skyColor;\n\t\tvec3 groundColor;\n\t};\n\tuniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];\n\tvec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {\n\t\tfloat dotNL = dot( normal, hemiLight.direction );\n\t\tfloat hemiDiffuseWeight = 0.5 * dotNL + 0.5;\n\t\tvec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );\n\t\treturn irradiance;\n\t}\n#endif",xs="#ifdef USE_ENVMAP\n\tvec3 getIBLIrradiance( const in vec3 normal ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 worldNormal = inverseTransformDirection( normal, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, worldNormal, 1.0 );\n\t\t\treturn PI * envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\tvec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {\n\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\tvec3 reflectVec = reflect( - viewDir, normal );\n\t\t\treflectVec = normalize( mix( reflectVec, normal, roughness * roughness) );\n\t\t\treflectVec = inverseTransformDirection( reflectVec, viewMatrix );\n\t\t\tvec4 envMapColor = textureCubeUV( envMap, reflectVec, roughness );\n\t\t\treturn envMapColor.rgb * envMapIntensity;\n\t\t#else\n\t\t\treturn vec3( 0.0 );\n\t\t#endif\n\t}\n\t#ifdef USE_ANISOTROPY\n\t\tvec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {\n\t\t\t#ifdef ENVMAP_TYPE_CUBE_UV\n\t\t\t\tvec3 bentNormal = cross( bitangent, viewDir );\n\t\t\t\tbentNormal = normalize( cross( bentNormal, bitangent ) );\n\t\t\t\tbentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );\n\t\t\t\treturn getIBLRadiance( viewDir, bentNormal, roughness );\n\t\t\t#else\n\t\t\t\treturn vec3( 0.0 );\n\t\t\t#endif\n\t\t}\n\t#endif\n#endif",Ms="ToonMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;",ys="varying vec3 vViewPosition;\nstruct ToonMaterial {\n\tvec3 diffuseColor;\n};\nvoid RE_Direct_Toon( const in IncidentLight directLight, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\tvec3 irradiance = getGradientIrradiance( geometry.normal, directLight.direction ) * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in GeometricContext geometry, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_Toon\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Toon",Ss="BlinnPhongMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb;\nmaterial.specularColor = specular;\nmaterial.specularShininess = shininess;\nmaterial.specularStrength = specularStrength;",Ts="varying vec3 vViewPosition;\nstruct BlinnPhongMaterial {\n\tvec3 diffuseColor;\n\tvec3 specularColor;\n\tfloat specularShininess;\n\tfloat specularStrength;\n};\nvoid RE_Direct_BlinnPhong( const in IncidentLight directLight, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n\treflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometry.viewDir, geometry.normal, material.specularColor, material.specularShininess ) * material.specularStrength;\n}\nvoid RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in GeometricContext geometry, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\n#define RE_Direct\t\t\t\tRE_Direct_BlinnPhong\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_BlinnPhong",Es="PhysicalMaterial material;\nmaterial.diffuseColor = diffuseColor.rgb * ( 1.0 - metalnessFactor );\nvec3 dxy = max( abs( dFdx( geometryNormal ) ), abs( dFdy( geometryNormal ) ) );\nfloat geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );\nmaterial.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;\nmaterial.roughness = min( material.roughness, 1.0 );\n#ifdef IOR\n\tmaterial.ior = ior;\n\t#ifdef USE_SPECULAR\n\t\tfloat specularIntensityFactor = specularIntensity;\n\t\tvec3 specularColorFactor = specularColor;\n\t\t#ifdef USE_SPECULAR_COLORMAP\n\t\t\tspecularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;\n\t\t#endif\n\t\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\t\tspecularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;\n\t\t#endif\n\t\tmaterial.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );\n\t#else\n\t\tfloat specularIntensityFactor = 1.0;\n\t\tvec3 specularColorFactor = vec3( 1.0 );\n\t\tmaterial.specularF90 = 1.0;\n\t#endif\n\tmaterial.specularColor = mix( min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor, diffuseColor.rgb, metalnessFactor );\n#else\n\tmaterial.specularColor = mix( vec3( 0.04 ), diffuseColor.rgb, metalnessFactor );\n\tmaterial.specularF90 = 1.0;\n#endif\n#ifdef USE_CLEARCOAT\n\tmaterial.clearcoat = clearcoat;\n\tmaterial.clearcoatRoughness = clearcoatRoughness;\n\tmaterial.clearcoatF0 = vec3( 0.04 );\n\tmaterial.clearcoatF90 = 1.0;\n\t#ifdef USE_CLEARCOATMAP\n\t\tmaterial.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;\n\t#endif\n\t#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\t\tmaterial.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;\n\t#endif\n\tmaterial.clearcoat = saturate( material.clearcoat );\tmaterial.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );\n\tmaterial.clearcoatRoughness += geometryRoughness;\n\tmaterial.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );\n#endif\n#ifdef USE_IRIDESCENCE\n\tmaterial.iridescence = iridescence;\n\tmaterial.iridescenceIOR = iridescenceIOR;\n\t#ifdef USE_IRIDESCENCEMAP\n\t\tmaterial.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;\n\t#endif\n\t#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\t\tmaterial.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;\n\t#else\n\t\tmaterial.iridescenceThickness = iridescenceThicknessMaximum;\n\t#endif\n#endif\n#ifdef USE_SHEEN\n\tmaterial.sheenColor = sheenColor;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tmaterial.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;\n\t#endif\n\tmaterial.sheenRoughness = clamp( sheenRoughness, 0.07, 1.0 );\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tmaterial.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\t#ifdef USE_ANISOTROPYMAP\n\t\tmat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );\n\t\tvec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;\n\t\tvec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;\n\t#else\n\t\tvec2 anisotropyV = anisotropyVector;\n\t#endif\n\tmaterial.anisotropy = length( anisotropyV );\n\tanisotropyV /= material.anisotropy;\n\tmaterial.anisotropy = saturate( material.anisotropy );\n\tmaterial.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );\n\tmaterial.anisotropyT = tbn[ 0 ] * anisotropyV.x - tbn[ 1 ] * anisotropyV.y;\n\tmaterial.anisotropyB = tbn[ 1 ] * anisotropyV.x + tbn[ 0 ] * anisotropyV.y;\n#endif",bs="struct PhysicalMaterial {\n\tvec3 diffuseColor;\n\tfloat roughness;\n\tvec3 specularColor;\n\tfloat specularF90;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat clearcoat;\n\t\tfloat clearcoatRoughness;\n\t\tvec3 clearcoatF0;\n\t\tfloat clearcoatF90;\n\t#endif\n\t#ifdef USE_IRIDESCENCE\n\t\tfloat iridescence;\n\t\tfloat iridescenceIOR;\n\t\tfloat iridescenceThickness;\n\t\tvec3 iridescenceFresnel;\n\t\tvec3 iridescenceF0;\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tvec3 sheenColor;\n\t\tfloat sheenRoughness;\n\t#endif\n\t#ifdef IOR\n\t\tfloat ior;\n\t#endif\n\t#ifdef USE_TRANSMISSION\n\t\tfloat transmission;\n\t\tfloat transmissionAlpha;\n\t\tfloat thickness;\n\t\tfloat attenuationDistance;\n\t\tvec3 attenuationColor;\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat anisotropy;\n\t\tfloat alphaT;\n\t\tvec3 anisotropyT;\n\t\tvec3 anisotropyB;\n\t#endif\n};\nvec3 clearcoatSpecular = vec3( 0.0 );\nvec3 sheenSpecular = 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\tfloat a2 = pow2( alpha );\n\tfloat gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );\n\tfloat gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );\n\treturn 0.5 / max( gv + gl, EPSILON );\n}\nfloat D_GGX( const in float alpha, const in float dotNH ) {\n\tfloat a2 = pow2( alpha );\n\tfloat denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;\n\treturn RECIPROCAL_PI * a2 / pow2( denom );\n}\n#ifdef USE_ANISOTROPY\n\tfloat 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\t\tfloat gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );\n\t\tfloat gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );\n\t\tfloat v = 0.5 / ( gv + gl );\n\t\treturn saturate(v);\n\t}\n\tfloat D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {\n\t\tfloat a2 = alphaT * alphaB;\n\t\thighp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );\n\t\thighp float v2 = dot( v, v );\n\t\tfloat w2 = a2 / v2;\n\t\treturn RECIPROCAL_PI * a2 * pow2 ( w2 );\n\t}\n#endif\n#ifdef USE_CLEARCOAT\n\tvec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {\n\t\tvec3 f0 = material.clearcoatF0;\n\t\tfloat f90 = material.clearcoatF90;\n\t\tfloat roughness = material.clearcoatRoughness;\n\t\tfloat alpha = pow2( roughness );\n\t\tvec3 halfDir = normalize( lightDir + viewDir );\n\t\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\t\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\t\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\t\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\t\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t\treturn F * ( V * D );\n\t}\n#endif\nvec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {\n\tvec3 f0 = material.specularColor;\n\tfloat f90 = material.specularF90;\n\tfloat roughness = material.roughness;\n\tfloat alpha = pow2( roughness );\n\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat dotVH = saturate( dot( viewDir, halfDir ) );\n\tvec3 F = F_Schlick( f0, f90, dotVH );\n\t#ifdef USE_IRIDESCENCE\n\t\tF = mix( F, material.iridescenceFresnel, material.iridescence );\n\t#endif\n\t#ifdef USE_ANISOTROPY\n\t\tfloat dotTL = dot( material.anisotropyT, lightDir );\n\t\tfloat dotTV = dot( material.anisotropyT, viewDir );\n\t\tfloat dotTH = dot( material.anisotropyT, halfDir );\n\t\tfloat dotBL = dot( material.anisotropyB, lightDir );\n\t\tfloat dotBV = dot( material.anisotropyB, viewDir );\n\t\tfloat dotBH = dot( material.anisotropyB, halfDir );\n\t\tfloat V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );\n\t\tfloat D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );\n\t#else\n\t\tfloat V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );\n\t\tfloat D = D_GGX( alpha, dotNH );\n\t#endif\n\treturn F * ( V * D );\n}\nvec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {\n\tconst float LUT_SIZE = 64.0;\n\tconst float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;\n\tconst float LUT_BIAS = 0.5 / LUT_SIZE;\n\tfloat dotNV = saturate( dot( N, V ) );\n\tvec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );\n\tuv = uv * LUT_SCALE + LUT_BIAS;\n\treturn uv;\n}\nfloat LTC_ClippedSphereFormFactor( const in vec3 f ) {\n\tfloat l = length( f );\n\treturn max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );\n}\nvec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {\n\tfloat x = dot( v1, v2 );\n\tfloat y = abs( x );\n\tfloat a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;\n\tfloat b = 3.4175940 + ( 4.1616724 + y ) * y;\n\tfloat v = a / b;\n\tfloat theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;\n\treturn cross( v1, v2 ) * theta_sintheta;\n}\nvec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {\n\tvec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];\n\tvec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];\n\tvec3 lightNormal = cross( v1, v2 );\n\tif( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );\n\tvec3 T1, T2;\n\tT1 = normalize( V - N * dot( V, N ) );\n\tT2 = - cross( N, T1 );\n\tmat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );\n\tvec3 coords[ 4 ];\n\tcoords[ 0 ] = mat * ( rectCoords[ 0 ] - P );\n\tcoords[ 1 ] = mat * ( rectCoords[ 1 ] - P );\n\tcoords[ 2 ] = mat * ( rectCoords[ 2 ] - P );\n\tcoords[ 3 ] = mat * ( rectCoords[ 3 ] - P );\n\tcoords[ 0 ] = normalize( coords[ 0 ] );\n\tcoords[ 1 ] = normalize( coords[ 1 ] );\n\tcoords[ 2 ] = normalize( coords[ 2 ] );\n\tcoords[ 3 ] = normalize( coords[ 3 ] );\n\tvec3 vectorFormFactor = vec3( 0.0 );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );\n\tvectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );\n\tfloat result = LTC_ClippedSphereFormFactor( vectorFormFactor );\n\treturn vec3( result );\n}\n#if defined( USE_SHEEN )\nfloat D_Charlie( float roughness, float dotNH ) {\n\tfloat alpha = pow2( roughness );\n\tfloat invAlpha = 1.0 / alpha;\n\tfloat cos2h = dotNH * dotNH;\n\tfloat sin2h = max( 1.0 - cos2h, 0.0078125 );\n\treturn ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );\n}\nfloat V_Neubelt( float dotNV, float dotNL ) {\n\treturn 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\tvec3 halfDir = normalize( lightDir + viewDir );\n\tfloat dotNL = saturate( dot( normal, lightDir ) );\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat dotNH = saturate( dot( normal, halfDir ) );\n\tfloat D = D_Charlie( sheenRoughness, dotNH );\n\tfloat V = V_Neubelt( dotNV, dotNL );\n\treturn sheenColor * ( D * V );\n}\n#endif\nfloat IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tfloat r2 = roughness * roughness;\n\tfloat a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;\n\tfloat b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;\n\tfloat DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );\n\treturn saturate( DG * RECIPROCAL_PI );\n}\nvec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {\n\tfloat dotNV = saturate( dot( normal, viewDir ) );\n\tconst vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );\n\tconst vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );\n\tvec4 r = roughness * c0 + c1;\n\tfloat a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;\n\tvec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;\n\treturn 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\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\treturn 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\tvec2 fab = DFGApprox( normal, viewDir, roughness );\n\t#ifdef USE_IRIDESCENCE\n\t\tvec3 Fr = mix( specularColor, iridescenceF0, iridescence );\n\t#else\n\t\tvec3 Fr = specularColor;\n\t#endif\n\tvec3 FssEss = Fr * fab.x + specularF90 * fab.y;\n\tfloat Ess = fab.x + fab.y;\n\tfloat Ems = 1.0 - Ess;\n\tvec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;\tvec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );\n\tsingleScatter += FssEss;\n\tmultiScatter += Fms * Ems;\n}\n#if NUM_RECT_AREA_LIGHTS > 0\n\tvoid RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\t\tvec3 normal = geometry.normal;\n\t\tvec3 viewDir = geometry.viewDir;\n\t\tvec3 position = geometry.position;\n\t\tvec3 lightPos = rectAreaLight.position;\n\t\tvec3 halfWidth = rectAreaLight.halfWidth;\n\t\tvec3 halfHeight = rectAreaLight.halfHeight;\n\t\tvec3 lightColor = rectAreaLight.color;\n\t\tfloat roughness = material.roughness;\n\t\tvec3 rectCoords[ 4 ];\n\t\trectCoords[ 0 ] = lightPos + halfWidth - halfHeight;\t\trectCoords[ 1 ] = lightPos - halfWidth - halfHeight;\n\t\trectCoords[ 2 ] = lightPos - halfWidth + halfHeight;\n\t\trectCoords[ 3 ] = lightPos + halfWidth + halfHeight;\n\t\tvec2 uv = LTC_Uv( normal, viewDir, roughness );\n\t\tvec4 t1 = texture2D( ltc_1, uv );\n\t\tvec4 t2 = texture2D( ltc_2, uv );\n\t\tmat3 mInv = mat3(\n\t\t\tvec3( t1.x, 0, t1.y ),\n\t\t\tvec3(    0, 1,    0 ),\n\t\t\tvec3( t1.z, 0, t1.w )\n\t\t);\n\t\tvec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );\n\t\treflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );\n\t\treflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );\n\t}\n#endif\nvoid RE_Direct_Physical( const in IncidentLight directLight, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\tfloat dotNL = saturate( dot( geometry.normal, directLight.direction ) );\n\tvec3 irradiance = dotNL * directLight.color;\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNLcc = saturate( dot( geometry.clearcoatNormal, directLight.direction ) );\n\t\tvec3 ccIrradiance = dotNLcc * directLight.color;\n\t\tclearcoatSpecular += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometry.viewDir, geometry.clearcoatNormal, material );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecular += irradiance * BRDF_Sheen( directLight.direction, geometry.viewDir, geometry.normal, material.sheenColor, material.sheenRoughness );\n\t#endif\n\treflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometry.viewDir, geometry.normal, material );\n\treflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {\n\treflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );\n}\nvoid RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in GeometricContext geometry, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatSpecular += clearcoatRadiance * EnvironmentBRDF( geometry.clearcoatNormal, geometry.viewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );\n\t#endif\n\t#ifdef USE_SHEEN\n\t\tsheenSpecular += irradiance * material.sheenColor * IBLSheenBRDF( geometry.normal, geometry.viewDir, material.sheenRoughness );\n\t#endif\n\tvec3 singleScattering = vec3( 0.0 );\n\tvec3 multiScattering = vec3( 0.0 );\n\tvec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;\n\t#ifdef USE_IRIDESCENCE\n\t\tcomputeMultiscatteringIridescence( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );\n\t#else\n\t\tcomputeMultiscattering( geometry.normal, geometry.viewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );\n\t#endif\n\tvec3 totalScattering = singleScattering + multiScattering;\n\tvec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );\n\treflectedLight.indirectSpecular += radiance * singleScattering;\n\treflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;\n\treflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;\n}\n#define RE_Direct\t\t\t\tRE_Direct_Physical\n#define RE_Direct_RectArea\t\tRE_Direct_RectArea_Physical\n#define RE_IndirectDiffuse\t\tRE_IndirectDiffuse_Physical\n#define RE_IndirectSpecular\t\tRE_IndirectSpecular_Physical\nfloat computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {\n\treturn saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );\n}",As="\nGeometricContext geometry;\ngeometry.position = - vViewPosition;\ngeometry.normal = normal;\ngeometry.viewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );\n#ifdef USE_CLEARCOAT\n\tgeometry.clearcoatNormal = clearcoatNormal;\n#endif\n#ifdef USE_IRIDESCENCE\n\tfloat dotNVi = saturate( dot( normal, geometry.viewDir ) );\n\tif ( material.iridescenceThickness == 0.0 ) {\n\t\tmaterial.iridescence = 0.0;\n\t} else {\n\t\tmaterial.iridescence = saturate( material.iridescence );\n\t}\n\tif ( material.iridescence > 0.0 ) {\n\t\tmaterial.iridescenceFresnel = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );\n\t\tmaterial.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );\n\t}\n#endif\nIncidentLight directLight;\n#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )\n\tPointLight pointLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {\n\t\tpointLight = pointLights[ i ];\n\t\tgetPointLightInfo( pointLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS )\n\t\tpointLightShadow = pointLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )\n\tSpotLight spotLight;\n\tvec4 spotColor;\n\tvec3 spotLightCoord;\n\tbool inSpotLightMap;\n\t#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {\n\t\tspotLight = spotLights[ i ];\n\t\tgetSpotLightInfo( spotLight, geometry, directLight );\n\t\t#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX\n\t\t#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS\n\t\t#else\n\t\t#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )\n\t\t#endif\n\t\t#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )\n\t\t\tspotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;\n\t\t\tinSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );\n\t\t\tspotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );\n\t\t\tdirectLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;\n\t\t#endif\n\t\t#undef SPOT_LIGHT_MAP_INDEX\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\tspotLightShadow = spotLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )\n\tDirectionalLight directionalLight;\n\t#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLightShadow;\n\t#endif\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {\n\t\tdirectionalLight = directionalLights[ i ];\n\t\tgetDirectionalLightInfo( directionalLight, geometry, directLight );\n\t\t#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )\n\t\tdirectionalLightShadow = directionalLightShadows[ i ];\n\t\tdirectLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t\t#endif\n\t\tRE_Direct( directLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )\n\tRectAreaLight rectAreaLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {\n\t\trectAreaLight = rectAreaLights[ i ];\n\t\tRE_Direct_RectArea( rectAreaLight, geometry, material, reflectedLight );\n\t}\n\t#pragma unroll_loop_end\n#endif\n#if defined( RE_IndirectDiffuse )\n\tvec3 iblIrradiance = vec3( 0.0 );\n\tvec3 irradiance = getAmbientLightIrradiance( ambientLightColor );\n\tirradiance += getLightProbeIrradiance( lightProbe, geometry.normal );\n\t#if ( NUM_HEMI_LIGHTS > 0 )\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {\n\t\t\tirradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometry.normal );\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if defined( RE_IndirectSpecular )\n\tvec3 radiance = vec3( 0.0 );\n\tvec3 clearcoatRadiance = vec3( 0.0 );\n#endif",ws="#if defined( RE_IndirectDiffuse )\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\tvec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;\n\t\tirradiance += lightMapIrradiance;\n\t#endif\n\t#if defined( USE_ENVMAP ) && defined( STANDARD ) && defined( ENVMAP_TYPE_CUBE_UV )\n\t\tiblIrradiance += getIBLIrradiance( geometry.normal );\n\t#endif\n#endif\n#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )\n\t#ifdef USE_ANISOTROPY\n\t\tradiance += getIBLAnisotropyRadiance( geometry.viewDir, geometry.normal, material.roughness, material.anisotropyB, material.anisotropy );\n\t#else\n\t\tradiance += getIBLRadiance( geometry.viewDir, geometry.normal, material.roughness );\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tclearcoatRadiance += getIBLRadiance( geometry.viewDir, geometry.clearcoatNormal, material.clearcoatRoughness );\n\t#endif\n#endif",Rs="#if defined( RE_IndirectDiffuse )\n\tRE_IndirectDiffuse( irradiance, geometry, material, reflectedLight );\n#endif\n#if defined( RE_IndirectSpecular )\n\tRE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometry, material, reflectedLight );\n#endif",Cs="#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tgl_FragDepthEXT = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;\n#endif",Ls="#if defined( USE_LOGDEPTHBUF ) && defined( USE_LOGDEPTHBUF_EXT )\n\tuniform float logDepthBufFC;\n\tvarying float vFragDepth;\n\tvarying float vIsPerspective;\n#endif",Ps="#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvarying float vFragDepth;\n\t\tvarying float vIsPerspective;\n\t#else\n\t\tuniform float logDepthBufFC;\n\t#endif\n#endif",Us="#ifdef USE_LOGDEPTHBUF\n\t#ifdef USE_LOGDEPTHBUF_EXT\n\t\tvFragDepth = 1.0 + gl_Position.w;\n\t\tvIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );\n\t#else\n\t\tif ( isPerspectiveMatrix( projectionMatrix ) ) {\n\t\t\tgl_Position.z = log2( max( EPSILON, gl_Position.w + 1.0 ) ) * logDepthBufFC - 1.0;\n\t\t\tgl_Position.z *= gl_Position.w;\n\t\t}\n\t#endif\n#endif",Is="#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, vMapUv );\n#endif",Ds="#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif",Ns="#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t#if defined( USE_POINTS_UV )\n\t\tvec2 uv = vUv;\n\t#else\n\t\tvec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tdiffuseColor *= texture2D( map, uv );\n#endif\n#ifdef USE_ALPHAMAP\n\tdiffuseColor.a *= texture2D( alphaMap, uv ).g;\n#endif",Os="#if defined( USE_POINTS_UV )\n\tvarying vec2 vUv;\n#else\n\t#if defined( USE_MAP ) || defined( USE_ALPHAMAP )\n\t\tuniform mat3 uvTransform;\n\t#endif\n#endif\n#ifdef USE_MAP\n\tuniform sampler2D map;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform sampler2D alphaMap;\n#endif",Fs="float metalnessFactor = metalness;\n#ifdef USE_METALNESSMAP\n\tvec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );\n\tmetalnessFactor *= texelMetalness.b;\n#endif",Bs="#ifdef USE_METALNESSMAP\n\tuniform sampler2D metalnessMap;\n#endif",zs="#if defined( USE_MORPHCOLORS ) && defined( MORPHTARGETS_TEXTURE )\n\tvColor *= morphTargetBaseInfluence;\n\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t#if defined( USE_COLOR_ALPHA )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];\n\t\t#elif defined( USE_COLOR )\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];\n\t\t#endif\n\t}\n#endif",Hs="#ifdef USE_MORPHNORMALS\n\tobjectNormal *= morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\tobjectNormal += morphNormal0 * morphTargetInfluences[ 0 ];\n\t\tobjectNormal += morphNormal1 * morphTargetInfluences[ 1 ];\n\t\tobjectNormal += morphNormal2 * morphTargetInfluences[ 2 ];\n\t\tobjectNormal += morphNormal3 * morphTargetInfluences[ 3 ];\n\t#endif\n#endif",ks="#ifdef USE_MORPHTARGETS\n\tuniform float morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tuniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];\n\t\tuniform sampler2DArray morphTargetsTexture;\n\t\tuniform ivec2 morphTargetsTextureSize;\n\t\tvec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {\n\t\t\tint texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;\n\t\t\tint y = texelIndex / morphTargetsTextureSize.x;\n\t\t\tint x = texelIndex - y * morphTargetsTextureSize.x;\n\t\t\tivec3 morphUV = ivec3( x, y, morphTargetIndex );\n\t\t\treturn texelFetch( morphTargetsTexture, morphUV, 0 );\n\t\t}\n\t#else\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\tuniform float morphTargetInfluences[ 8 ];\n\t\t#else\n\t\t\tuniform float morphTargetInfluences[ 4 ];\n\t\t#endif\n\t#endif\n#endif",Gs="#ifdef USE_MORPHTARGETS\n\ttransformed *= morphTargetBaseInfluence;\n\t#ifdef MORPHTARGETS_TEXTURE\n\t\tfor ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {\n\t\t\tif ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];\n\t\t}\n\t#else\n\t\ttransformed += morphTarget0 * morphTargetInfluences[ 0 ];\n\t\ttransformed += morphTarget1 * morphTargetInfluences[ 1 ];\n\t\ttransformed += morphTarget2 * morphTargetInfluences[ 2 ];\n\t\ttransformed += morphTarget3 * morphTargetInfluences[ 3 ];\n\t\t#ifndef USE_MORPHNORMALS\n\t\t\ttransformed += morphTarget4 * morphTargetInfluences[ 4 ];\n\t\t\ttransformed += morphTarget5 * morphTargetInfluences[ 5 ];\n\t\t\ttransformed += morphTarget6 * morphTargetInfluences[ 6 ];\n\t\t\ttransformed += morphTarget7 * morphTargetInfluences[ 7 ];\n\t\t#endif\n\t#endif\n#endif",Vs="float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;\n#ifdef FLAT_SHADED\n\tvec3 fdx = dFdx( vViewPosition );\n\tvec3 fdy = dFdy( vViewPosition );\n\tvec3 normal = normalize( cross( fdx, fdy ) );\n#else\n\tvec3 normal = normalize( vNormal );\n\t#ifdef DOUBLE_SIDED\n\t\tnormal *= faceDirection;\n\t#endif\n#endif\n#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn = getTangentFrame( - vViewPosition, normal,\n\t\t#if defined( USE_NORMALMAP )\n\t\t\tvNormalMapUv\n\t\t#elif defined( USE_CLEARCOAT_NORMALMAP )\n\t\t\tvClearcoatNormalMapUv\n\t\t#else\n\t\t\tvUv\n\t\t#endif\n\t\t);\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn[0] *= faceDirection;\n\t\ttbn[1] *= faceDirection;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\t#ifdef USE_TANGENT\n\t\tmat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );\n\t#else\n\t\tmat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );\n\t#endif\n\t#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )\n\t\ttbn2[0] *= faceDirection;\n\t\ttbn2[1] *= faceDirection;\n\t#endif\n#endif\nvec3 geometryNormal = normal;",Ws="#ifdef USE_NORMALMAP_OBJECTSPACE\n\tnormal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\t#ifdef FLIP_SIDED\n\t\tnormal = - normal;\n\t#endif\n\t#ifdef DOUBLE_SIDED\n\t\tnormal = normal * faceDirection;\n\t#endif\n\tnormal = normalize( normalMatrix * normal );\n#elif defined( USE_NORMALMAP_TANGENTSPACE )\n\tvec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;\n\tmapN.xy *= normalScale;\n\tnormal = normalize( tbn * mapN );\n#elif defined( USE_BUMPMAP )\n\tnormal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );\n#endif",Xs="#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",js="#ifndef FLAT_SHADED\n\tvarying vec3 vNormal;\n\t#ifdef USE_TANGENT\n\t\tvarying vec3 vTangent;\n\t\tvarying vec3 vBitangent;\n\t#endif\n#endif",qs="#ifndef FLAT_SHADED\n\tvNormal = normalize( transformedNormal );\n\t#ifdef USE_TANGENT\n\t\tvTangent = normalize( transformedTangent );\n\t\tvBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );\n\t#endif\n#endif",Ys="#ifdef USE_NORMALMAP\n\tuniform sampler2D normalMap;\n\tuniform vec2 normalScale;\n#endif\n#ifdef USE_NORMALMAP_OBJECTSPACE\n\tuniform mat3 normalMatrix;\n#endif\n#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )\n\tmat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {\n\t\tvec3 q0 = dFdx( eye_pos.xyz );\n\t\tvec3 q1 = dFdy( eye_pos.xyz );\n\t\tvec2 st0 = dFdx( uv.st );\n\t\tvec2 st1 = dFdy( uv.st );\n\t\tvec3 N = surf_norm;\n\t\tvec3 q1perp = cross( q1, N );\n\t\tvec3 q0perp = cross( N, q0 );\n\t\tvec3 T = q1perp * st0.x + q0perp * st1.x;\n\t\tvec3 B = q1perp * st0.y + q0perp * st1.y;\n\t\tfloat det = max( dot( T, T ), dot( B, B ) );\n\t\tfloat scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );\n\t\treturn mat3( T * scale, B * scale, N );\n\t}\n#endif",Ks="#ifdef USE_CLEARCOAT\n\tvec3 clearcoatNormal = geometryNormal;\n#endif",Zs="#ifdef USE_CLEARCOAT_NORMALMAP\n\tvec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;\n\tclearcoatMapN.xy *= clearcoatNormalScale;\n\tclearcoatNormal = normalize( tbn2 * clearcoatMapN );\n#endif",Js="#ifdef USE_CLEARCOATMAP\n\tuniform sampler2D clearcoatMap;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform sampler2D clearcoatNormalMap;\n\tuniform vec2 clearcoatNormalScale;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform sampler2D clearcoatRoughnessMap;\n#endif",Qs="#ifdef USE_IRIDESCENCEMAP\n\tuniform sampler2D iridescenceMap;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform sampler2D iridescenceThicknessMap;\n#endif",$s="#ifdef OPAQUE\ndiffuseColor.a = 1.0;\n#endif\n#ifdef USE_TRANSMISSION\ndiffuseColor.a *= material.transmissionAlpha;\n#endif\ngl_FragColor = vec4( outgoingLight, diffuseColor.a );",eo="vec3 packNormalToRGB( const in vec3 normal ) {\n\treturn normalize( normal ) * 0.5 + 0.5;\n}\nvec3 unpackRGBToNormal( const in vec3 rgb ) {\n\treturn 2.0 * rgb.xyz - 1.0;\n}\nconst float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;\nconst vec3 PackFactors = vec3( 256. * 256. * 256., 256. * 256., 256. );\nconst vec4 UnpackFactors = UnpackDownscale / vec4( PackFactors, 1. );\nconst float ShiftRight8 = 1. / 256.;\nvec4 packDepthToRGBA( const in float v ) {\n\tvec4 r = vec4( fract( v * PackFactors ), v );\n\tr.yzw -= r.xyz * ShiftRight8;\treturn r * PackUpscale;\n}\nfloat unpackRGBAToDepth( const in vec4 v ) {\n\treturn dot( v, UnpackFactors );\n}\nvec2 packDepthToRG( in highp float v ) {\n\treturn packDepthToRGBA( v ).yx;\n}\nfloat unpackRGToDepth( const in highp vec2 v ) {\n\treturn unpackRGBAToDepth( vec4( v.xy, 0.0, 0.0 ) );\n}\nvec4 pack2HalfToRGBA( vec2 v ) {\n\tvec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );\n\treturn vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );\n}\nvec2 unpackRGBATo2Half( vec4 v ) {\n\treturn vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );\n}\nfloat viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( viewZ + near ) / ( near - far );\n}\nfloat orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\treturn depth * ( near - far ) - near;\n}\nfloat viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {\n\treturn ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );\n}\nfloat perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {\n\treturn ( near * far ) / ( ( far - near ) * depth - far );\n}",to="#ifdef PREMULTIPLIED_ALPHA\n\tgl_FragColor.rgb *= gl_FragColor.a;\n#endif",no="vec4 mvPosition = vec4( transformed, 1.0 );\n#ifdef USE_INSTANCING\n\tmvPosition = instanceMatrix * mvPosition;\n#endif\nmvPosition = modelViewMatrix * mvPosition;\ngl_Position = projectionMatrix * mvPosition;",io="#ifdef DITHERING\n\tgl_FragColor.rgb = dithering( gl_FragColor.rgb );\n#endif",ro="#ifdef DITHERING\n\tvec3 dithering( vec3 color ) {\n\t\tfloat grid_position = rand( gl_FragCoord.xy );\n\t\tvec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );\n\t\tdither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );\n\t\treturn color + dither_shift_RGB;\n\t}\n#endif",ao="float roughnessFactor = roughness;\n#ifdef USE_ROUGHNESSMAP\n\tvec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );\n\troughnessFactor *= texelRoughness.g;\n#endif",so="#ifdef USE_ROUGHNESSMAP\n\tuniform sampler2D roughnessMap;\n#endif",oo="#if NUM_SPOT_LIGHT_COORDS > 0\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#if NUM_SPOT_LIGHT_MAPS > 0\n\tuniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n\tfloat texture2DCompare( sampler2D depths, vec2 uv, float compare ) {\n\t\treturn step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );\n\t}\n\tvec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {\n\t\treturn unpackRGBATo2Half( texture2D( shadow, uv ) );\n\t}\n\tfloat VSMShadow (sampler2D shadow, vec2 uv, float compare ){\n\t\tfloat occlusion = 1.0;\n\t\tvec2 distribution = texture2DDistribution( shadow, uv );\n\t\tfloat hard_shadow = step( compare , distribution.x );\n\t\tif (hard_shadow != 1.0 ) {\n\t\t\tfloat distance = compare - distribution.x ;\n\t\t\tfloat variance = max( 0.00000, distribution.y * distribution.y );\n\t\t\tfloat softness_probability = variance / (variance + distance * distance );\t\t\tsoftness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );\t\t\tocclusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );\n\t\t}\n\t\treturn occlusion;\n\t}\n\tfloat getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord ) {\n\t\tfloat shadow = 1.0;\n\t\tshadowCoord.xyz /= shadowCoord.w;\n\t\tshadowCoord.z += shadowBias;\n\t\tbool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;\n\t\tbool frustumTest = inFrustum && shadowCoord.z <= 1.0;\n\t\tif ( frustumTest ) {\n\t\t#if defined( SHADOWMAP_TYPE_PCF )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx0 = - texelSize.x * shadowRadius;\n\t\t\tfloat dy0 = - texelSize.y * shadowRadius;\n\t\t\tfloat dx1 = + texelSize.x * shadowRadius;\n\t\t\tfloat dy1 = + texelSize.y * shadowRadius;\n\t\t\tfloat dx2 = dx0 / 2.0;\n\t\t\tfloat dy2 = dy0 / 2.0;\n\t\t\tfloat dx3 = dx1 / 2.0;\n\t\t\tfloat dy3 = dy1 / 2.0;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )\n\t\t\t) * ( 1.0 / 17.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_PCF_SOFT )\n\t\t\tvec2 texelSize = vec2( 1.0 ) / shadowMapSize;\n\t\t\tfloat dx = texelSize.x;\n\t\t\tfloat dy = texelSize.y;\n\t\t\tvec2 uv = shadowCoord.xy;\n\t\t\tvec2 f = fract( uv * shadowMapSize + 0.5 );\n\t\t\tuv -= f * texelSize;\n\t\t\tshadow = (\n\t\t\t\ttexture2DCompare( shadowMap, uv, shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +\n\t\t\t\ttexture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),\n\t\t\t\t\t f.x ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t f.y ) +\n\t\t\t\tmix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.x ),\n\t\t\t\t\t mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),\n\t\t\t\t\t\t  f.x ),\n\t\t\t\t\t f.y )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#elif defined( SHADOWMAP_TYPE_VSM )\n\t\t\tshadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#else\n\t\t\tshadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );\n\t\t#endif\n\t\t}\n\t\treturn shadow;\n\t}\n\tvec2 cubeToUV( vec3 v, float texelSizeY ) {\n\t\tvec3 absV = abs( v );\n\t\tfloat scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );\n\t\tabsV *= scaleToCube;\n\t\tv *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );\n\t\tvec2 planar = v.xy;\n\t\tfloat almostATexel = 1.5 * texelSizeY;\n\t\tfloat almostOne = 1.0 - almostATexel;\n\t\tif ( absV.z >= almostOne ) {\n\t\t\tif ( v.z > 0.0 )\n\t\t\t\tplanar.x = 4.0 - v.x;\n\t\t} else if ( absV.x >= almostOne ) {\n\t\t\tfloat signX = sign( v.x );\n\t\t\tplanar.x = v.z * signX + 2.0 * signX;\n\t\t} else if ( absV.y >= almostOne ) {\n\t\t\tfloat signY = sign( v.y );\n\t\t\tplanar.x = v.x + 2.0 * signY + 2.0;\n\t\t\tplanar.y = v.z * signY - 2.0;\n\t\t}\n\t\treturn vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );\n\t}\n\tfloat getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {\n\t\tvec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );\n\t\tvec3 lightToPosition = shadowCoord.xyz;\n\t\tfloat dp = ( length( lightToPosition ) - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );\t\tdp += shadowBias;\n\t\tvec3 bd3D = normalize( lightToPosition );\n\t\t#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )\n\t\t\tvec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;\n\t\t\treturn (\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +\n\t\t\t\ttexture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )\n\t\t\t) * ( 1.0 / 9.0 );\n\t\t#else\n\t\t\treturn texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );\n\t\t#endif\n\t}\n#endif",lo="#if NUM_SPOT_LIGHT_COORDS > 0\n\tuniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];\n\tvarying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];\n#endif\n#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\tuniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tvarying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];\n\t\tstruct DirectionalLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\t\tstruct SpotLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t};\n\t\tuniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\tuniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tvarying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];\n\t\tstruct PointLightShadow {\n\t\t\tfloat shadowBias;\n\t\t\tfloat shadowNormalBias;\n\t\t\tfloat shadowRadius;\n\t\t\tvec2 shadowMapSize;\n\t\t\tfloat shadowCameraNear;\n\t\t\tfloat shadowCameraFar;\n\t\t};\n\t\tuniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];\n\t#endif\n#endif",co="#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )\n\tvec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );\n\tvec4 shadowWorldPosition;\n#endif\n#if defined( USE_SHADOWMAP )\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\t\t#pragma unroll_loop_start\n\t\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\t\tshadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );\n\t\t\tvPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;\n\t\t}\n\t\t#pragma unroll_loop_end\n\t#endif\n#endif\n#if NUM_SPOT_LIGHT_COORDS > 0\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {\n\t\tshadowWorldPosition = worldPosition;\n\t\t#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )\n\t\t\tshadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;\n\t\t#endif\n\t\tvSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;\n\t}\n\t#pragma unroll_loop_end\n#endif",ho="float getShadowMask() {\n\tfloat shadow = 1.0;\n\t#ifdef USE_SHADOWMAP\n\t#if NUM_DIR_LIGHT_SHADOWS > 0\n\tDirectionalLightShadow directionalLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {\n\t\tdirectionalLight = directionalLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_SPOT_LIGHT_SHADOWS > 0\n\tSpotLightShadow spotLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {\n\t\tspotLight = spotLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#if NUM_POINT_LIGHT_SHADOWS > 0\n\tPointLightShadow pointLight;\n\t#pragma unroll_loop_start\n\tfor ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {\n\t\tpointLight = pointLightShadows[ i ];\n\t\tshadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;\n\t}\n\t#pragma unroll_loop_end\n\t#endif\n\t#endif\n\treturn shadow;\n}",uo="#ifdef USE_SKINNING\n\tmat4 boneMatX = getBoneMatrix( skinIndex.x );\n\tmat4 boneMatY = getBoneMatrix( skinIndex.y );\n\tmat4 boneMatZ = getBoneMatrix( skinIndex.z );\n\tmat4 boneMatW = getBoneMatrix( skinIndex.w );\n#endif",po="#ifdef USE_SKINNING\n\tuniform mat4 bindMatrix;\n\tuniform mat4 bindMatrixInverse;\n\tuniform highp sampler2D boneTexture;\n\tuniform int boneTextureSize;\n\tmat4 getBoneMatrix( const in float i ) {\n\t\tfloat j = i * 4.0;\n\t\tfloat x = mod( j, float( boneTextureSize ) );\n\t\tfloat y = floor( j / float( boneTextureSize ) );\n\t\tfloat dx = 1.0 / float( boneTextureSize );\n\t\tfloat dy = 1.0 / float( boneTextureSize );\n\t\ty = dy * ( y + 0.5 );\n\t\tvec4 v1 = texture2D( boneTexture, vec2( dx * ( x + 0.5 ), y ) );\n\t\tvec4 v2 = texture2D( boneTexture, vec2( dx * ( x + 1.5 ), y ) );\n\t\tvec4 v3 = texture2D( boneTexture, vec2( dx * ( x + 2.5 ), y ) );\n\t\tvec4 v4 = texture2D( boneTexture, vec2( dx * ( x + 3.5 ), y ) );\n\t\tmat4 bone = mat4( v1, v2, v3, v4 );\n\t\treturn bone;\n\t}\n#endif",fo="#ifdef USE_SKINNING\n\tvec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );\n\tvec4 skinned = vec4( 0.0 );\n\tskinned += boneMatX * skinVertex * skinWeight.x;\n\tskinned += boneMatY * skinVertex * skinWeight.y;\n\tskinned += boneMatZ * skinVertex * skinWeight.z;\n\tskinned += boneMatW * skinVertex * skinWeight.w;\n\ttransformed = ( bindMatrixInverse * skinned ).xyz;\n#endif",mo="#ifdef USE_SKINNING\n\tmat4 skinMatrix = mat4( 0.0 );\n\tskinMatrix += skinWeight.x * boneMatX;\n\tskinMatrix += skinWeight.y * boneMatY;\n\tskinMatrix += skinWeight.z * boneMatZ;\n\tskinMatrix += skinWeight.w * boneMatW;\n\tskinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;\n\tobjectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;\n\t#ifdef USE_TANGENT\n\t\tobjectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;\n\t#endif\n#endif",go="float specularStrength;\n#ifdef USE_SPECULARMAP\n\tvec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );\n\tspecularStrength = texelSpecular.r;\n#else\n\tspecularStrength = 1.0;\n#endif",_o="#ifdef USE_SPECULARMAP\n\tuniform sampler2D specularMap;\n#endif",vo="#if defined( TONE_MAPPING )\n\tgl_FragColor.rgb = toneMapping( gl_FragColor.rgb );\n#endif",xo="#ifndef saturate\n#define saturate( a ) clamp( a, 0.0, 1.0 )\n#endif\nuniform float toneMappingExposure;\nvec3 LinearToneMapping( vec3 color ) {\n\treturn saturate( toneMappingExposure * color );\n}\nvec3 ReinhardToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\treturn saturate( color / ( vec3( 1.0 ) + color ) );\n}\nvec3 OptimizedCineonToneMapping( vec3 color ) {\n\tcolor *= toneMappingExposure;\n\tcolor = max( vec3( 0.0 ), color - 0.004 );\n\treturn pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );\n}\nvec3 RRTAndODTFit( vec3 v ) {\n\tvec3 a = v * ( v + 0.0245786 ) - 0.000090537;\n\tvec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;\n\treturn a / b;\n}\nvec3 ACESFilmicToneMapping( vec3 color ) {\n\tconst mat3 ACESInputMat = mat3(\n\t\tvec3( 0.59719, 0.07600, 0.02840 ),\t\tvec3( 0.35458, 0.90834, 0.13383 ),\n\t\tvec3( 0.04823, 0.01566, 0.83777 )\n\t);\n\tconst mat3 ACESOutputMat = mat3(\n\t\tvec3(  1.60475, -0.10208, -0.00327 ),\t\tvec3( -0.53108,  1.10813, -0.07276 ),\n\t\tvec3( -0.07367, -0.00605,  1.07602 )\n\t);\n\tcolor *= toneMappingExposure / 0.6;\n\tcolor = ACESInputMat * color;\n\tcolor = RRTAndODTFit( color );\n\tcolor = ACESOutputMat * color;\n\treturn saturate( color );\n}\nvec3 CustomToneMapping( vec3 color ) { return color; }",Mo="#ifdef USE_TRANSMISSION\n\tmaterial.transmission = transmission;\n\tmaterial.transmissionAlpha = 1.0;\n\tmaterial.thickness = thickness;\n\tmaterial.attenuationDistance = attenuationDistance;\n\tmaterial.attenuationColor = attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tmaterial.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tmaterial.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;\n\t#endif\n\tvec3 pos = vWorldPosition;\n\tvec3 v = normalize( cameraPosition - pos );\n\tvec3 n = inverseTransformDirection( normal, viewMatrix );\n\tvec4 transmitted = getIBLVolumeRefraction(\n\t\tn, v, material.roughness, material.diffuseColor, material.specularColor, material.specularF90,\n\t\tpos, modelMatrix, viewMatrix, projectionMatrix, material.ior, material.thickness,\n\t\tmaterial.attenuationColor, material.attenuationDistance );\n\tmaterial.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );\n\ttotalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );\n#endif",yo="#ifdef USE_TRANSMISSION\n\tuniform float transmission;\n\tuniform float thickness;\n\tuniform float attenuationDistance;\n\tuniform vec3 attenuationColor;\n\t#ifdef USE_TRANSMISSIONMAP\n\t\tuniform sampler2D transmissionMap;\n\t#endif\n\t#ifdef USE_THICKNESSMAP\n\t\tuniform sampler2D thicknessMap;\n\t#endif\n\tuniform vec2 transmissionSamplerSize;\n\tuniform sampler2D transmissionSamplerMap;\n\tuniform mat4 modelMatrix;\n\tuniform mat4 projectionMatrix;\n\tvarying vec3 vWorldPosition;\n\tfloat w0( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );\n\t}\n\tfloat w1( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a *  a * ( 3.0 * a - 6.0 ) + 4.0 );\n\t}\n\tfloat w2( float a ){\n\t\treturn ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );\n\t}\n\tfloat w3( float a ) {\n\t\treturn ( 1.0 / 6.0 ) * ( a * a * a );\n\t}\n\tfloat g0( float a ) {\n\t\treturn w0( a ) + w1( a );\n\t}\n\tfloat g1( float a ) {\n\t\treturn w2( a ) + w3( a );\n\t}\n\tfloat h0( float a ) {\n\t\treturn - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );\n\t}\n\tfloat h1( float a ) {\n\t\treturn 1.0 + w3( a ) / ( w2( a ) + w3( a ) );\n\t}\n\tvec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {\n\t\tuv = uv * texelSize.zw + 0.5;\n\t\tvec2 iuv = floor( uv );\n\t\tvec2 fuv = fract( uv );\n\t\tfloat g0x = g0( fuv.x );\n\t\tfloat g1x = g1( fuv.x );\n\t\tfloat h0x = h0( fuv.x );\n\t\tfloat h1x = h1( fuv.x );\n\t\tfloat h0y = h0( fuv.y );\n\t\tfloat h1y = h1( fuv.y );\n\t\tvec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\tvec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;\n\t\treturn g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +\n\t\t\tg1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );\n\t}\n\tvec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {\n\t\tvec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );\n\t\tvec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );\n\t\tvec2 fLodSizeInv = 1.0 / fLodSize;\n\t\tvec2 cLodSizeInv = 1.0 / cLodSize;\n\t\tvec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );\n\t\tvec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );\n\t\treturn mix( fSample, cSample, fract( lod ) );\n\t}\n\tvec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {\n\t\tvec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );\n\t\tvec3 modelScale;\n\t\tmodelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );\n\t\tmodelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );\n\t\tmodelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );\n\t\treturn normalize( refractionVector ) * thickness * modelScale;\n\t}\n\tfloat applyIorToRoughness( const in float roughness, const in float ior ) {\n\t\treturn roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );\n\t}\n\tvec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {\n\t\tfloat lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );\n\t\treturn textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );\n\t}\n\tvec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tif ( isinf( attenuationDistance ) ) {\n\t\t\treturn vec3( 1.0 );\n\t\t} else {\n\t\t\tvec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;\n\t\t\tvec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );\t\t\treturn transmittance;\n\t\t}\n\t}\n\tvec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,\n\t\tconst in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,\n\t\tconst in mat4 viewMatrix, const in mat4 projMatrix, const in float ior, const in float thickness,\n\t\tconst in vec3 attenuationColor, const in float attenuationDistance ) {\n\t\tvec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );\n\t\tvec3 refractedRayExit = position + transmissionRay;\n\t\tvec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );\n\t\tvec2 refractionCoords = ndcPos.xy / ndcPos.w;\n\t\trefractionCoords += 1.0;\n\t\trefractionCoords /= 2.0;\n\t\tvec4 transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );\n\t\tvec3 transmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );\n\t\tvec3 attenuatedColor = transmittance * transmittedLight.rgb;\n\t\tvec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );\n\t\tfloat transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;\n\t\treturn vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );\n\t}\n#endif",So="#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",To="#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvarying vec2 vUv;\n#endif\n#ifdef USE_MAP\n\tuniform mat3 mapTransform;\n\tvarying vec2 vMapUv;\n#endif\n#ifdef USE_ALPHAMAP\n\tuniform mat3 alphaMapTransform;\n\tvarying vec2 vAlphaMapUv;\n#endif\n#ifdef USE_LIGHTMAP\n\tuniform mat3 lightMapTransform;\n\tvarying vec2 vLightMapUv;\n#endif\n#ifdef USE_AOMAP\n\tuniform mat3 aoMapTransform;\n\tvarying vec2 vAoMapUv;\n#endif\n#ifdef USE_BUMPMAP\n\tuniform mat3 bumpMapTransform;\n\tvarying vec2 vBumpMapUv;\n#endif\n#ifdef USE_NORMALMAP\n\tuniform mat3 normalMapTransform;\n\tvarying vec2 vNormalMapUv;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tuniform mat3 displacementMapTransform;\n\tvarying vec2 vDisplacementMapUv;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tuniform mat3 emissiveMapTransform;\n\tvarying vec2 vEmissiveMapUv;\n#endif\n#ifdef USE_METALNESSMAP\n\tuniform mat3 metalnessMapTransform;\n\tvarying vec2 vMetalnessMapUv;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tuniform mat3 roughnessMapTransform;\n\tvarying vec2 vRoughnessMapUv;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tuniform mat3 anisotropyMapTransform;\n\tvarying vec2 vAnisotropyMapUv;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tuniform mat3 clearcoatMapTransform;\n\tvarying vec2 vClearcoatMapUv;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tuniform mat3 clearcoatNormalMapTransform;\n\tvarying vec2 vClearcoatNormalMapUv;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tuniform mat3 clearcoatRoughnessMapTransform;\n\tvarying vec2 vClearcoatRoughnessMapUv;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tuniform mat3 sheenColorMapTransform;\n\tvarying vec2 vSheenColorMapUv;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tuniform mat3 sheenRoughnessMapTransform;\n\tvarying vec2 vSheenRoughnessMapUv;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tuniform mat3 iridescenceMapTransform;\n\tvarying vec2 vIridescenceMapUv;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tuniform mat3 iridescenceThicknessMapTransform;\n\tvarying vec2 vIridescenceThicknessMapUv;\n#endif\n#ifdef USE_SPECULARMAP\n\tuniform mat3 specularMapTransform;\n\tvarying vec2 vSpecularMapUv;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tuniform mat3 specularColorMapTransform;\n\tvarying vec2 vSpecularColorMapUv;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tuniform mat3 specularIntensityMapTransform;\n\tvarying vec2 vSpecularIntensityMapUv;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tuniform mat3 transmissionMapTransform;\n\tvarying vec2 vTransmissionMapUv;\n#endif\n#ifdef USE_THICKNESSMAP\n\tuniform mat3 thicknessMapTransform;\n\tvarying vec2 vThicknessMapUv;\n#endif",Eo="#if defined( USE_UV ) || defined( USE_ANISOTROPY )\n\tvUv = vec3( uv, 1 ).xy;\n#endif\n#ifdef USE_MAP\n\tvMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ALPHAMAP\n\tvAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_LIGHTMAP\n\tvLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_AOMAP\n\tvAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_BUMPMAP\n\tvBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_NORMALMAP\n\tvNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_DISPLACEMENTMAP\n\tvDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_EMISSIVEMAP\n\tvEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_METALNESSMAP\n\tvMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ROUGHNESSMAP\n\tvRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_ANISOTROPYMAP\n\tvAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOATMAP\n\tvClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_NORMALMAP\n\tvClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_CLEARCOAT_ROUGHNESSMAP\n\tvClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCEMAP\n\tvIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_IRIDESCENCE_THICKNESSMAP\n\tvIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_COLORMAP\n\tvSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SHEEN_ROUGHNESSMAP\n\tvSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULARMAP\n\tvSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_COLORMAP\n\tvSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_SPECULAR_INTENSITYMAP\n\tvSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_TRANSMISSIONMAP\n\tvTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;\n#endif\n#ifdef USE_THICKNESSMAP\n\tvThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;\n#endif",bo="#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0\n\tvec4 worldPosition = vec4( transformed, 1.0 );\n\t#ifdef USE_INSTANCING\n\t\tworldPosition = instanceMatrix * worldPosition;\n\t#endif\n\tworldPosition = modelMatrix * worldPosition;\n#endif";const Ao="varying vec2 vUv;\nuniform mat3 uvTransform;\nvoid main() {\n\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\tgl_Position = vec4( position.xy, 1.0, 1.0 );\n}",wo="uniform sampler2D t2D;\nuniform float backgroundIntensity;\nvarying vec2 vUv;\nvoid main() {\n\tvec4 texColor = texture2D( t2D, vUv );\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",Ro="varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\tgl_Position.z = gl_Position.w;\n}",Co="#ifdef ENVMAP_TYPE_CUBE\n\tuniform samplerCube envMap;\n#elif defined( ENVMAP_TYPE_CUBE_UV )\n\tuniform sampler2D envMap;\n#endif\nuniform float flipEnvMap;\nuniform float backgroundBlurriness;\nuniform float backgroundIntensity;\nvarying vec3 vWorldDirection;\n#include <cube_uv_reflection_fragment>\nvoid main() {\n\t#ifdef ENVMAP_TYPE_CUBE\n\t\tvec4 texColor = textureCube( envMap, vec3( flipEnvMap * vWorldDirection.x, vWorldDirection.yz ) );\n\t#elif defined( ENVMAP_TYPE_CUBE_UV )\n\t\tvec4 texColor = textureCubeUV( envMap, vWorldDirection, backgroundBlurriness );\n\t#else\n\t\tvec4 texColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t#endif\n\ttexColor.rgb *= backgroundIntensity;\n\tgl_FragColor = texColor;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",Lo="varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n\tgl_Position.z = gl_Position.w;\n}",Po="uniform samplerCube tCube;\nuniform float tFlip;\nuniform float opacity;\nvarying vec3 vWorldDirection;\nvoid main() {\n\tvec4 texColor = textureCube( tCube, vec3( tFlip * vWorldDirection.x, vWorldDirection.yz ) );\n\tgl_FragColor = texColor;\n\tgl_FragColor.a *= opacity;\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",Uo="#include <common>\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\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvHighPrecisionZW = gl_Position.zw;\n}",Io="#if DEPTH_PACKING == 3200\n\tuniform 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\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#if DEPTH_PACKING == 3200\n\t\tdiffuseColor.a = opacity;\n\t#endif\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <logdepthbuf_fragment>\n\tfloat fragCoordZ = 0.5 * vHighPrecisionZW[0] / vHighPrecisionZW[1] + 0.5;\n\t#if DEPTH_PACKING == 3200\n\t\tgl_FragColor = vec4( vec3( 1.0 - fragCoordZ ), opacity );\n\t#elif DEPTH_PACKING == 3201\n\t\tgl_FragColor = packDepthToRGBA( fragCoordZ );\n\t#endif\n}",Do="#define DISTANCE\nvarying vec3 vWorldPosition;\n#include <common>\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\t#include <uv_vertex>\n\t#include <skinbase_vertex>\n\t#ifdef USE_DISPLACEMENTMAP\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <worldpos_vertex>\n\t#include <clipping_planes_vertex>\n\tvWorldPosition = worldPosition.xyz;\n}",No="#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\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( 1.0 );\n\t#include <map_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\tfloat dist = length( vWorldPosition - referencePosition );\n\tdist = ( dist - nearDistance ) / ( farDistance - nearDistance );\n\tdist = saturate( dist );\n\tgl_FragColor = packDepthToRGBA( dist );\n}",Oo="varying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvWorldDirection = transformDirection( position, modelMatrix );\n\t#include <begin_vertex>\n\t#include <project_vertex>\n}",Fo="uniform sampler2D tEquirect;\nvarying vec3 vWorldDirection;\n#include <common>\nvoid main() {\n\tvec3 direction = normalize( vWorldDirection );\n\tvec2 sampleUV = equirectUv( direction );\n\tgl_FragColor = texture2D( tEquirect, sampleUV );\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n}",Bo="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\tvLineDistance = scale * lineDistance;\n\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n}",zo="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\t#include <clipping_planes_fragment>\n\tif ( mod( vLineDistance, totalSize ) > dashSize ) {\n\t\tdiscard;\n\t}\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n}",Ho="#include <common>\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\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#if defined ( USE_ENVMAP ) || defined ( USE_SKINNING )\n\t\t#include <beginnormal_vertex>\n\t\t#include <morphnormal_vertex>\n\t\t#include <skinbase_vertex>\n\t\t#include <skinnormal_vertex>\n\t\t#include <defaultnormal_vertex>\n\t#endif\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <fog_vertex>\n}",ko="uniform vec3 diffuse;\nuniform float opacity;\n#ifndef FLAT_SHADED\n\tvarying 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\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <specularmap_fragment>\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\t#ifdef USE_LIGHTMAP\n\t\tvec4 lightMapTexel = texture2D( lightMap, vLightMapUv );\n\t\treflectedLight.indirectDiffuse += lightMapTexel.rgb * lightMapIntensity * RECIPROCAL_PI;\n\t#else\n\t\treflectedLight.indirectDiffuse += vec3( 1.0 );\n\t#endif\n\t#include <aomap_fragment>\n\treflectedLight.indirectDiffuse *= diffuseColor.rgb;\n\tvec3 outgoingLight = reflectedLight.indirectDiffuse;\n\t#include <envmap_fragment>\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",Go="#define LAMBERT\nvarying vec3 vViewPosition;\n#include <common>\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\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",Vo="#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\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_lambert_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",Wo="#define MATCAP\nvarying vec3 vViewPosition;\n#include <common>\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\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <fog_vertex>\n\tvViewPosition = - mvPosition.xyz;\n}",Xo="#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\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tvec3 viewDir = normalize( vViewPosition );\n\tvec3 x = normalize( vec3( viewDir.z, 0.0, - viewDir.x ) );\n\tvec3 y = cross( viewDir, x );\n\tvec2 uv = vec2( dot( x, normal ), dot( y, normal ) ) * 0.495 + 0.5;\n\t#ifdef USE_MATCAP\n\t\tvec4 matcapColor = texture2D( matcap, uv );\n\t#else\n\t\tvec4 matcapColor = vec4( vec3( mix( 0.2, 0.8, uv.y ) ), 1.0 );\n\t#endif\n\tvec3 outgoingLight = diffuseColor.rgb * matcapColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",jo="#define NORMAL\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying vec3 vViewPosition;\n#endif\n#include <common>\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\t#include <uv_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvViewPosition = - mvPosition.xyz;\n#endif\n}",qo="#define NORMAL\nuniform float opacity;\n#if defined( FLAT_SHADED ) || defined( USE_BUMPMAP ) || defined( USE_NORMALMAP_TANGENTSPACE )\n\tvarying 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\t#include <clipping_planes_fragment>\n\t#include <logdepthbuf_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\tgl_FragColor = vec4( packNormalToRGB( normal ), opacity );\n\t#ifdef OPAQUE\n\t\tgl_FragColor.a = 1.0;\n\t#endif\n}",Yo="#define PHONG\nvarying vec3 vViewPosition;\n#include <common>\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\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <envmap_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",Ko="#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\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <specularmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_phong_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + reflectedLight.directSpecular + reflectedLight.indirectSpecular + totalEmissiveRadiance;\n\t#include <envmap_fragment>\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",Zo="#define STANDARD\nvarying vec3 vViewPosition;\n#ifdef USE_TRANSMISSION\n\tvarying vec3 vWorldPosition;\n#endif\n#include <common>\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\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n#ifdef USE_TRANSMISSION\n\tvWorldPosition = worldPosition.xyz;\n#endif\n}",Jo="#define STANDARD\n#ifdef PHYSICAL\n\t#define IOR\n\t#define USE_SPECULAR\n#endif\nuniform vec3 diffuse;\nuniform vec3 emissive;\nuniform float roughness;\nuniform float metalness;\nuniform float opacity;\n#ifdef IOR\n\tuniform float ior;\n#endif\n#ifdef USE_SPECULAR\n\tuniform float specularIntensity;\n\tuniform vec3 specularColor;\n\t#ifdef USE_SPECULAR_COLORMAP\n\t\tuniform sampler2D specularColorMap;\n\t#endif\n\t#ifdef USE_SPECULAR_INTENSITYMAP\n\t\tuniform sampler2D specularIntensityMap;\n\t#endif\n#endif\n#ifdef USE_CLEARCOAT\n\tuniform float clearcoat;\n\tuniform float clearcoatRoughness;\n#endif\n#ifdef USE_IRIDESCENCE\n\tuniform float iridescence;\n\tuniform float iridescenceIOR;\n\tuniform float iridescenceThicknessMinimum;\n\tuniform float iridescenceThicknessMaximum;\n#endif\n#ifdef USE_SHEEN\n\tuniform vec3 sheenColor;\n\tuniform float sheenRoughness;\n\t#ifdef USE_SHEEN_COLORMAP\n\t\tuniform sampler2D sheenColorMap;\n\t#endif\n\t#ifdef USE_SHEEN_ROUGHNESSMAP\n\t\tuniform sampler2D sheenRoughnessMap;\n\t#endif\n#endif\n#ifdef USE_ANISOTROPY\n\tuniform vec2 anisotropyVector;\n\t#ifdef USE_ANISOTROPYMAP\n\t\tuniform sampler2D anisotropyMap;\n\t#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\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <roughnessmap_fragment>\n\t#include <metalnessmap_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <clearcoat_normal_fragment_begin>\n\t#include <clearcoat_normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_physical_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 totalDiffuse = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse;\n\tvec3 totalSpecular = reflectedLight.directSpecular + reflectedLight.indirectSpecular;\n\t#include <transmission_fragment>\n\tvec3 outgoingLight = totalDiffuse + totalSpecular + totalEmissiveRadiance;\n\t#ifdef USE_SHEEN\n\t\tfloat sheenEnergyComp = 1.0 - 0.157 * max3( material.sheenColor );\n\t\toutgoingLight = outgoingLight * sheenEnergyComp + sheenSpecular;\n\t#endif\n\t#ifdef USE_CLEARCOAT\n\t\tfloat dotNVcc = saturate( dot( geometry.clearcoatNormal, geometry.viewDir ) );\n\t\tvec3 Fcc = F_Schlick( material.clearcoatF0, material.clearcoatF90, dotNVcc );\n\t\toutgoingLight = outgoingLight * ( 1.0 - material.clearcoat * Fcc ) + clearcoatSpecular * material.clearcoat;\n\t#endif\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",Qo="#define TOON\nvarying vec3 vViewPosition;\n#include <common>\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\t#include <uv_vertex>\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <beginnormal_vertex>\n\t#include <morphnormal_vertex>\n\t#include <skinbase_vertex>\n\t#include <skinnormal_vertex>\n\t#include <defaultnormal_vertex>\n\t#include <normal_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <skinning_vertex>\n\t#include <displacementmap_vertex>\n\t#include <project_vertex>\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\tvViewPosition = - mvPosition.xyz;\n\t#include <worldpos_vertex>\n\t#include <shadowmap_vertex>\n\t#include <fog_vertex>\n}",$o="#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\t#include <clipping_planes_fragment>\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\tReflectedLight reflectedLight = ReflectedLight( vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ), vec3( 0.0 ) );\n\tvec3 totalEmissiveRadiance = emissive;\n\t#include <logdepthbuf_fragment>\n\t#include <map_fragment>\n\t#include <color_fragment>\n\t#include <alphamap_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\t#include <normal_fragment_begin>\n\t#include <normal_fragment_maps>\n\t#include <emissivemap_fragment>\n\t#include <lights_toon_fragment>\n\t#include <lights_fragment_begin>\n\t#include <lights_fragment_maps>\n\t#include <lights_fragment_end>\n\t#include <aomap_fragment>\n\tvec3 outgoingLight = reflectedLight.directDiffuse + reflectedLight.indirectDiffuse + totalEmissiveRadiance;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include <premultiplied_alpha_fragment>\n\t#include <dithering_fragment>\n}",el="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\tvarying vec2 vUv;\n\tuniform mat3 uvTransform;\n#endif\nvoid main() {\n\t#ifdef USE_POINTS_UV\n\t\tvUv = ( uvTransform * vec3( uv, 1 ) ).xy;\n\t#endif\n\t#include <color_vertex>\n\t#include <morphcolor_vertex>\n\t#include <begin_vertex>\n\t#include <morphtarget_vertex>\n\t#include <project_vertex>\n\tgl_PointSize = size;\n\t#ifdef USE_SIZEATTENUATION\n\t\tbool isPerspective = isPerspectiveMatrix( projectionMatrix );\n\t\tif ( isPerspective ) gl_PointSize *= ( scale / - mvPosition.z );\n\t#endif\n\t#include <logdepthbuf_vertex>\n\t#include <clipping_planes_vertex>\n\t#include <worldpos_vertex>\n\t#include <fog_vertex>\n}",tl="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\t#include <clipping_planes_fragment>\n\tvec3 outgoingLight = vec3( 0.0 );\n\tvec4 diffuseColor = vec4( diffuse, opacity );\n\t#include <logdepthbuf_fragment>\n\t#include <map_particle_fragment>\n\t#include <color_fragment>\n\t#include <alphatest_fragment>\n\t#include <alphahash_fragment>\n\toutgoingLight = diffuseColor.rgb;\n\t#include <opaque_fragment>\n\t#include <tonemapping_fragment>\n\t#include <colorspace_fragment>\n\t#include <fog_fragment>\n\t#include 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c=s||t.has("WEBGL_draw_buffers"),h=!0===n.logarithmicDepthBuffer,u=e.getParameter(e.MAX_TEXTURE_IMAGE_UNITS),d=e.getParameter(e.MAX_VERTEX_TEXTURE_IMAGE_UNITS),p=e.getParameter(e.MAX_TEXTURE_SIZE),f=e.getParameter(e.MAX_CUBE_MAP_TEXTURE_SIZE),m=e.getParameter(e.MAX_VERTEX_ATTRIBS),g=e.getParameter(e.MAX_VERTEX_UNIFORM_VECTORS),_=e.getParameter(e.MAX_VARYING_VECTORS),v=e.getParameter(e.MAX_FRAGMENT_UNIFORM_VECTORS),x=d>0,M=s||t.has("OES_texture_float"),y=x&&M,S=s?e.getParameter(e.MAX_SAMPLES):0;return{isWebGL2:s,drawBuffers:c,getMaxAnisotropy:r,getMaxPrecision:a,precision:o,logarithmicDepthBuffer:h,maxTextures:u,maxVertexTextures:d,maxTextureSize:p,maxCubemapSize:f,maxAttributes:m,maxVertexUniforms:g,maxVaryings:_,maxFragmentUniforms:v,vertexTextures:x,floatFragmentTextures:M,floatVertexTextures:y,maxSamples:S}}function fl(e){const t=this;let n=null,i=0,r=!1,a=!1;const s=new ya,o=new bn,l={value:null,needsUpdate:!1};function 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ua{constructor(e=-1,t=1,n=1,i=-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=n,this.bottom=i,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,n,i,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=n,this.view.offsetY=i,this.view.width=r,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){null!==this.view&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const e=(this.right-this.left)/(2*this.zoom),t=(this.top-this.bottom)/(2*this.zoom),n=(this.right+this.left)/2,i=(this.top+this.bottom)/2;let r=n-e,a=n+e,s=i+t,o=i-t;if(null!==this.view&&this.view.enabled){const 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){const 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}}const _l=4,vl=[.125,.215,.35,.446,.526,.582],xl=20,Ml=new gl,yl=new xr;let Sl=null;const Tl=(1+Math.sqrt(5))/2,El=1/Tl,bl=[new $n(1,1,1),new $n(-1,1,1),new $n(1,1,-1),new $n(-1,1,-1),new $n(0,Tl,El),new $n(0,Tl,-El),new $n(El,0,Tl),new $n(-El,0,Tl),new $n(Tl,El,0),new $n(-Tl,El,0)];class Al{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,n=.1,i=100){Sl=this._renderer.getRenderTarget(),this._setSize(256);const r=this._allocateTargets();return r.depthBuffer=!0,this._sceneToCubeUV(e,n,i,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=Ul(),this._compileMaterial(this._cubemapMaterial))}compileEquirectangularShader(){null===this._equirectMaterial&&(this._equirectMaterial=Pl(),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(Sl),e.scissorTest=!1,Cl(e,0,0,e.width,e.height)}_fromTexture(e,t){e.mapping===ne||e.mapping===ie?this._setSize(0===e.image.length?16:e.image[0].width||e.image[0].image.width):this._setSize(e.image.width/4),Sl=this._renderer.getRenderTarget();const n=t||this._allocateTargets();return this._textureToCubeUV(e,n),this._applyPMREM(n),this._cleanup(n),n}_allocateTargets(){const e=3*Math.max(this._cubeSize,112),t=4*this._cubeSize,n={magFilter:pe,minFilter:pe,generateMipmaps:!1,type:Te,format:Re,colorSpace:Ut,depthBuffer:!1},i=Rl(e,t,n);if(null===this._pingPongRenderTarget||this._pingPongRenderTarget.width!==e||this._pingPongRenderTarget.height!==t){null!==this._pingPongRenderTarget&&this._dispose(),this._pingPongRenderTarget=Rl(e,t,n);const{_lodMax:i}=this;({sizeLods:this._sizeLods,lodPlanes:this._lodPlanes,sigmas:this._sigmas}=wl(i)),this._blurMaterial=Ll(i,e,t)}return i}_compileMaterial(e){const t=new $r(this._lodPlanes[0],e);this._renderer.compile(t,Ml)}_sceneToCubeUV(e,t,n,i){const r=90,a=1,s=new da(r,a,t,n),o=[1,-1,1,1,1,1],l=[1,1,1,-1,-1,-1],c=this._renderer,h=c.autoClear,u=c.toneMapping;c.getClearColor(yl),c.toneMapping=K,c.autoClear=!1;const d=new yr({name:"PMREM.Background",side:f,depthWrite:!1,depthTest:!1}),p=new $r(new na,d);let m=!1;const g=e.background;g?g.isColor&&(d.color.copy(g),e.background=null,m=!0):(d.color.copy(yl),m=!0);for(let f=0;f<6;f++){const t=f%3;0===t?(s.up.set(0,o[f],0),s.lookAt(l[f],0,0)):1===t?(s.up.set(0,0,o[f]),s.lookAt(0,l[f],0)):(s.up.set(0,o[f],0),s.lookAt(0,0,l[f]));const n=this._cubeSize;Cl(i,t*n,f>2?n:0,n,n),c.setRenderTarget(i),m&&c.render(p,s),c.render(e,s)}p.geometry.dispose(),p.material.dispose(),c.toneMapping=u,c.autoClear=h,e.background=g}_textureToCubeUV(e,t){const n=this._renderer,i=e.mapping===ne||e.mapping===ie;i?(null===this._cubemapMaterial&&(this._cubemapMaterial=Ul()),this._cubemapMaterial.uniforms.flipEnvMap.value=!1===e.isRenderTargetTexture?-1:1):null===this._equirectMaterial&&(this._equirectMaterial=Pl());const r=i?this._cubemapMaterial:this._equirectMaterial,a=new $r(this._lodPlanes[0],r),s=r.uniforms;s["envMap"].value=e;const o=this._cubeSize;Cl(t,0,0,3*o,2*o),n.setRenderTarget(t),n.render(a,Ml)}_applyPMREM(e){const t=this._renderer,n=t.autoClear;t.autoClear=!1;for(let i=1;i<this._lodPlanes.length;i++){const t=Math.sqrt(this._sigmas[i]*this._sigmas[i]-this._sigmas[i-1]*this._sigmas[i-1]),n=bl[(i-1)%bl.length];this._blur(e,i-1,i,t,n)}t.autoClear=n}_blur(e,t,n,i,r){const a=this._pingPongRenderTarget;this._halfBlur(e,a,t,n,i,"latitudinal",r),this._halfBlur(a,e,n,n,i,"longitudinal",r)}_halfBlur(e,t,n,i,r,a,s){const o=this._renderer,l=this._blurMaterial;"latitudinal"!==a&&"longitudinal"!==a&&console.error("blur direction must be either latitudinal or longitudinal!");const c=3,h=new $r(this._lodPlanes[i],l),u=l.uniforms,d=this._sizeLods[n]-1,p=isFinite(r)?Math.PI/(2*d):2*Math.PI/(2*xl-1),f=r/p,m=isFinite(r)?1+Math.floor(c*f):xl;m>xl&&console.warn(`sigmaRadians, ${r}, is too large and will clip, as it requested ${m} samples when the maximum is set to ${xl}`);const g=[];let _=0;for(let S=0;S<xl;++S){const e=S/f,t=Math.exp(-e*e/2);g.push(t),0===S?_+=t:S<m&&(_+=2*t)}for(let S=0;S<g.length;S++)g[S]=g[S]/_;u["envMap"].value=e.texture,u["samples"].value=m,u["weights"].value=g,u["latitudinal"].value="latitudinal"===a,s&&(u["poleAxis"].value=s);const{_lodMax:v}=this;u["dTheta"].value=p,u["mipInt"].value=v-n;const x=this._sizeLods[i],M=3*x*(i>v-_l?i-v+_l:0),y=4*(this._cubeSize-x);Cl(t,M,y,3*x,2*x),o.setRenderTarget(t),o.render(h,Ml)}}function wl(e){const t=[],n=[],i=[];let r=e;const a=e-_l+1+vl.length;for(let s=0;s<a;s++){const a=Math.pow(2,r);n.push(a);let o=1/a;s>e-_l?o=vl[s-e+_l-1]:0===s&&(o=0),i.push(o);const l=1/(a-2),c=-l,h=1+l,u=[c,c,h,c,h,h,c,c,h,h,c,h],d=6,p=6,f=3,m=2,g=1,_=new Float32Array(f*p*d),v=new Float32Array(m*p*d),x=new Float32Array(g*p*d);for(let e=0;e<d;e++){const t=e%3*2/3-1,n=e>2?0:-1,i=[t,n,0,t+2/3,n,0,t+2/3,n+1,0,t,n,0,t+2/3,n+1,0,t,n+1,0];_.set(i,f*p*e),v.set(u,m*p*e);const r=[e,e,e,e,e,e];x.set(r,g*p*e)}const M=new Nr;M.setAttribute("position",new Er(_,f)),M.setAttribute("uv",new Er(v,m)),M.setAttribute("faceIndex",new Er(x,g)),t.push(M),r>_l&&r--}return{lodPlanes:t,sizeLods:n,sigmas:i}}function Rl(e,t,n){const i=new Kn(e,t,n);return i.texture.mapping=se,i.texture.name="PMREM.cubeUv",i.scissorTest=!0,i}function Cl(e,t,n,i,r){e.viewport.set(t,n,i,r),e.scissor.set(t,n,i,r)}function Ll(e,t,n){const i=new Float32Array(xl),r=new $n(0,1,0),a=new ha({name:"SphericalGaussianBlur",defines:{n:xl,CUBEUV_TEXEL_WIDTH:1/t,CUBEUV_TEXEL_HEIGHT:1/n,CUBEUV_MAX_MIP:`${e}.0`},uniforms:{envMap:{value:null},samples:{value:1},weights:{value:i},latitudinal:{value:!1},dTheta:{value:0},mipInt:{value:0},poleAxis:{value:r}},vertexShader:Il(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\t\t\tuniform int samples;\n\t\t\tuniform float weights[ n ];\n\t\t\tuniform bool latitudinal;\n\t\t\tuniform float dTheta;\n\t\t\tuniform float mipInt;\n\t\t\tuniform vec3 poleAxis;\n\n\t\t\t#define ENVMAP_TYPE_CUBE_UV\n\t\t\t#include <cube_uv_reflection_fragment>\n\n\t\t\tvec3 getSample( float theta, vec3 axis ) {\n\n\t\t\t\tfloat cosTheta = cos( theta );\n\t\t\t\t// Rodrigues' axis-angle rotation\n\t\t\t\tvec3 sampleDirection = vOutputDirection * cosTheta\n\t\t\t\t\t+ cross( axis, vOutputDirection ) * sin( theta )\n\t\t\t\t\t+ axis * dot( axis, vOutputDirection ) * ( 1.0 - cosTheta );\n\n\t\t\t\treturn bilinearCubeUV( envMap, sampleDirection, mipInt );\n\n\t\t\t}\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 axis = latitudinal ? poleAxis : cross( poleAxis, vOutputDirection );\n\n\t\t\t\tif ( all( equal( axis, vec3( 0.0 ) ) ) ) {\n\n\t\t\t\t\taxis = vec3( vOutputDirection.z, 0.0, - vOutputDirection.x );\n\n\t\t\t\t}\n\n\t\t\t\taxis = normalize( axis );\n\n\t\t\t\tgl_FragColor = vec4( 0.0, 0.0, 0.0, 1.0 );\n\t\t\t\tgl_FragColor.rgb += weights[ 0 ] * getSample( 0.0, axis );\n\n\t\t\t\tfor ( int i = 1; i < n; i++ ) {\n\n\t\t\t\t\tif ( i >= samples ) {\n\n\t\t\t\t\t\tbreak;\n\n\t\t\t\t\t}\n\n\t\t\t\t\tfloat theta = dTheta * float( i );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( -1.0 * theta, axis );\n\t\t\t\t\tgl_FragColor.rgb += weights[ i ] * getSample( theta, axis );\n\n\t\t\t\t}\n\n\t\t\t}\n\t\t",blending:g,depthTest:!1,depthWrite:!1});return a}function Pl(){return new ha({name:"EquirectangularToCubeUV",uniforms:{envMap:{value:null}},vertexShader:Il(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform sampler2D envMap;\n\n\t\t\t#include <common>\n\n\t\t\tvoid main() {\n\n\t\t\t\tvec3 outputDirection = normalize( vOutputDirection );\n\t\t\t\tvec2 uv = equirectUv( outputDirection );\n\n\t\t\t\tgl_FragColor = vec4( texture2D ( envMap, uv ).rgb, 1.0 );\n\n\t\t\t}\n\t\t",blending:g,depthTest:!1,depthWrite:!1})}function Ul(){return new ha({name:"CubemapToCubeUV",uniforms:{envMap:{value:null},flipEnvMap:{value:-1}},vertexShader:Il(),fragmentShader:"\n\n\t\t\tprecision mediump float;\n\t\t\tprecision mediump int;\n\n\t\t\tuniform float flipEnvMap;\n\n\t\t\tvarying vec3 vOutputDirection;\n\n\t\t\tuniform samplerCube envMap;\n\n\t\t\tvoid main() {\n\n\t\t\t\tgl_FragColor = textureCube( envMap, vec3( flipEnvMap * vOutputDirection.x, vOutputDirection.yz ) 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c(e,t){n.length>1&&n.sort(e||wh),i.length>1&&i.sort(t||Rh),r.length>1&&r.sort(t||Rh)}function h(){for(let n=t,i=e.length;n<i;n++){const t=e[n];if(null===t.id)break;t.id=null,t.object=null,t.geometry=null,t.material=null,t.group=null}}return{opaque:n,transmissive:i,transparent:r,init:a,push:o,unshift:l,finish:h,sort:c}}function Lh(){let e=new WeakMap;function t(t,n){const i=e.get(t);let r;return void 0===i?(r=new Ch,e.set(t,[r])):n>=i.length?(r=new Ch,i.push(r)):r=i[n],r}function n(){e=new WeakMap}return{get:t,dispose:n}}function Ph(){const e={};return{get:function(t){if(void 0!==e[t.id])return e[t.id];let n;switch(t.type){case"DirectionalLight":n={direction:new $n,color:new xr};break;case"SpotLight":n={position:new $n,direction:new $n,color:new xr,distance:0,coneCos:0,penumbraCos:0,decay:0};break;case"PointLight":n={position:new $n,color:new xr,distance:0,decay:0};break;case"HemisphereLight":n={direction:new $n,skyColor:new xr,groundColor:new xr};break;case"RectAreaLight":n={color:new 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Ph,i=Uh(),r={version:0,hash:{directionalLength:-1,pointLength:-1,spotLength:-1,rectAreaLength:-1,hemiLength:-1,numDirectionalShadows:-1,numPointShadows:-1,numSpotShadows:-1,numSpotMaps:-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};for(let h=0;h<9;h++)r.probe.push(new $n);const a=new $n,s=new Ci,o=new Ci;function l(a,s){let o=0,l=0,c=0;for(let e=0;e<9;e++)r.probe[e].set(0,0,0);let h=0,u=0,d=0,p=0,f=0,m=0,g=0,_=0,v=0,x=0;a.sort(Dh);const M=!0===s?Math.PI:1;for(let e=0,t=a.length;e<t;e++){const t=a[e],s=t.color,y=t.intensity,S=t.distance,T=t.shadow&&t.shadow.map?t.shadow.map.texture:null;if(t.isAmbientLight)o+=s.r*y*M,l+=s.g*y*M,c+=s.b*y*M;else if(t.isLightProbe)for(let e=0;e<9;e++)r.probe[e].addScaledVector(t.sh.coefficients[e],y);else if(t.isDirectionalLight){const e=n.get(t);if(e.color.copy(t.color).multiplyScalar(t.intensity*M),t.castShadow){const e=t.shadow,n=i.get(t);n.shadowBias=e.bias,n.shadowNormalBias=e.normalBias,n.shadowRadius=e.radius,n.shadowMapSize=e.mapSize,r.directionalShadow[h]=n,r.directionalShadowMap[h]=T,r.directionalShadowMatrix[h]=t.shadow.matrix,m++}r.directional[h]=e,h++}else if(t.isSpotLight){const e=n.get(t);e.position.setFromMatrixPosition(t.matrixWorld),e.color.copy(s).multiplyScalar(y*M),e.distance=S,e.coneCos=Math.cos(t.angle),e.penumbraCos=Math.cos(t.angle*(1-t.penumbra)),e.decay=t.decay,r.spot[d]=e;const a=t.shadow;if(t.map&&(r.spotLightMap[v]=t.map,v++,a.updateMatrices(t),t.castShadow&&x++),r.spotLightMatrix[d]=a.matrix,t.castShadow){const e=i.get(t);e.shadowBias=a.bias,e.shadowNormalBias=a.normalBias,e.shadowRadius=a.radius,e.shadowMapSize=a.mapSize,r.spotShadow[d]=e,r.spotShadowMap[d]=T,_++}d++}else if(t.isRectAreaLight){const e=n.get(t);e.color.copy(s).multiplyScalar(y),e.halfWidth.set(.5*t.width,0,0),e.halfHeight.set(0,.5*t.height,0),r.rectArea[p]=e,p++}else if(t.isPointLight){const e=n.get(t);if(e.color.copy(t.color).multiplyScalar(t.intensity*M),e.distance=t.distance,e.decay=t.decay,t.castShadow){const e=t.shadow,n=i.get(t);n.shadowBias=e.bias,n.shadowNormalBias=e.normalBias,n.shadowRadius=e.radius,n.shadowMapSize=e.mapSize,n.shadowCameraNear=e.camera.near,n.shadowCameraFar=e.camera.far,r.pointShadow[u]=n,r.pointShadowMap[u]=T,r.pointShadowMatrix[u]=t.shadow.matrix,g++}r.point[u]=e,u++}else if(t.isHemisphereLight){const e=n.get(t);e.skyColor.copy(t.color).multiplyScalar(y*M),e.groundColor.copy(t.groundColor).multiplyScalar(y*M),r.hemi[f]=e,f++}}p>0&&(t.isWebGL2||!0===e.has("OES_texture_float_linear")?(r.rectAreaLTC1=ol.LTC_FLOAT_1,r.rectAreaLTC2=ol.LTC_FLOAT_2):!0===e.has("OES_texture_half_float_linear")?(r.rectAreaLTC1=ol.LTC_HALF_1,r.rectAreaLTC2=ol.LTC_HALF_2):console.error("THREE.WebGLRenderer: Unable to use RectAreaLight. Missing WebGL extensions.")),r.ambient[0]=o,r.ambient[1]=l,r.ambient[2]=c;const y=r.hash;y.directionalLength===h&&y.pointLength===u&&y.spotLength===d&&y.rectAreaLength===p&&y.hemiLength===f&&y.numDirectionalShadows===m&&y.numPointShadows===g&&y.numSpotShadows===_&&y.numSpotMaps===v||(r.directional.length=h,r.spot.length=d,r.rectArea.length=p,r.point.length=u,r.hemi.length=f,r.directionalShadow.length=m,r.directionalShadowMap.length=m,r.pointShadow.length=g,r.pointShadowMap.length=g,r.spotShadow.length=_,r.spotShadowMap.length=_,r.directionalShadowMatrix.length=m,r.pointShadowMatrix.length=g,r.spotLightMatrix.length=_+v-x,r.spotLightMap.length=v,r.numSpotLightShadowsWithMaps=x,y.directionalLength=h,y.pointLength=u,y.spotLength=d,y.rectAreaLength=p,y.hemiLength=f,y.numDirectionalShadows=m,y.numPointShadows=g,y.numSpotShadows=_,y.numSpotMaps=v,r.version=Ih++)}function c(e,t){let n=0,i=0,l=0,c=0,h=0;const u=t.matrixWorldInverse;for(let d=0,p=e.length;d<p;d++){const t=e[d];if(t.isDirectionalLight){const e=r.directional[n];e.direction.setFromMatrixPosition(t.matrixWorld),a.setFromMatrixPosition(t.target.matrixWorld),e.direction.sub(a),e.direction.transformDirection(u),n++}else if(t.isSpotLight){const e=r.spot[l];e.position.setFromMatrixPosition(t.matrixWorld),e.position.applyMatrix4(u),e.direction.setFromMatrixPosition(t.matrixWorld),a.setFromMatrixPosition(t.target.matrixWorld),e.direction.sub(a),e.direction.transformDirection(u),l++}else if(t.isRectAreaLight){const e=r.rectArea[c];e.position.setFromMatrixPosition(t.matrixWorld),e.position.applyMatrix4(u),o.identity(),s.copy(t.matrixWorld),s.premultiply(u),o.extractRotation(s),e.halfWidth.set(.5*t.width,0,0),e.halfHeight.set(0,.5*t.height,0),e.halfWidth.applyMatrix4(o),e.halfHeight.applyMatrix4(o),c++}else if(t.isPointLight){const e=r.point[i];e.position.setFromMatrixPosition(t.matrixWorld),e.position.applyMatrix4(u),i++}else if(t.isHemisphereLight){const e=r.hemi[h];e.direction.setFromMatrixPosition(t.matrixWorld),e.direction.transformDirection(u),h++}}}return{setup:l,setupView:c,state:r}}function Oh(e,t){const n=new Nh(e,t),i=[],r=[];function a(){i.length=0,r.length=0}function s(e){i.push(e)}function o(e){r.push(e)}function l(e){n.setup(i,e)}function c(e){n.setupView(i,e)}const h={lightsArray:i,shadowsArray:r,lights:n};return{init:a,state:h,setupLights:l,setupLightsView:c,pushLight:s,pushShadow:o}}function Fh(e,t){let n=new WeakMap;function i(i,r=0){const a=n.get(i);let s;return void 0===a?(s=new Oh(e,t),n.set(i,[s])):r>=a.length?(s=new Oh(e,t),a.push(s)):s=a[r],s}function r(){n=new WeakMap}return{get:i,dispose:r}}class Bh extends fr{constructor(e){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=At,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(e)}copy(e){return super.copy(e),this.depthPacking=e.depthPacking,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this}}class zh extends fr{constructor(e){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(e)}copy(e){return super.copy(e),this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this}}const Hh="void main() {\n\tgl_Position = vec4( position, 1.0 );\n}",kh="uniform sampler2D shadow_pass;\nuniform vec2 resolution;\nuniform float radius;\n#include <packing>\nvoid main() {\n\tconst float samples = float( VSM_SAMPLES );\n\tfloat mean = 0.0;\n\tfloat squared_mean = 0.0;\n\tfloat uvStride = samples <= 1.0 ? 0.0 : 2.0 / ( samples - 1.0 );\n\tfloat uvStart = samples <= 1.0 ? 0.0 : - 1.0;\n\tfor ( float i = 0.0; i < samples; i ++ ) {\n\t\tfloat uvOffset = uvStart + i * uvStride;\n\t\t#ifdef HORIZONTAL_PASS\n\t\t\tvec2 distribution = unpackRGBATo2Half( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( uvOffset, 0.0 ) * radius ) / resolution ) );\n\t\t\tmean += distribution.x;\n\t\t\tsquared_mean += distribution.y * distribution.y + distribution.x * distribution.x;\n\t\t#else\n\t\t\tfloat depth = unpackRGBAToDepth( texture2D( shadow_pass, ( gl_FragCoord.xy + vec2( 0.0, uvOffset ) * radius ) / resolution ) );\n\t\t\tmean += depth;\n\t\t\tsquared_mean += depth * depth;\n\t\t#endif\n\t}\n\tmean = mean / samples;\n\tsquared_mean = squared_mean / samples;\n\tfloat std_dev = sqrt( squared_mean - mean * mean );\n\tgl_FragColor = pack2HalfToRGBA( vec2( mean, std_dev ) );\n}";function Gh(e,t,n){let i=new Ea;const r=new En,a=new En,s=new qn,o=new Bh({depthPacking:wt}),l=new zh,c={},u=n.maxTextureSize,_={[p]:f,[f]:p,[m]:m},v=new ha({defines:{VSM_SAMPLES:8},uniforms:{shadow_pass:{value:null},resolution:{value:new En},radius:{value:4}},vertexShader:Hh,fragmentShader:kh}),x=v.clone();x.defines.HORIZONTAL_PASS=1;const M=new Nr;M.setAttribute("position",new Er(new Float32Array([-1,-1,.5,3,-1,.5,-1,3,.5]),3));const y=new $r(M,v),S=this;this.enabled=!1,this.autoUpdate=!0,this.needsUpdate=!1,this.type=h;let T=this.type;function E(n,i){const a=t.update(y);v.defines.VSM_SAMPLES!==n.blurSamples&&(v.defines.VSM_SAMPLES=n.blurSamples,x.defines.VSM_SAMPLES=n.blurSamples,v.needsUpdate=!0,x.needsUpdate=!0),null===n.mapPass&&(n.mapPass=new Kn(r.x,r.y)),v.uniforms.shadow_pass.value=n.map.texture,v.uniforms.resolution.value=n.mapSize,v.uniforms.radius.value=n.radius,e.setRenderTarget(n.mapPass),e.clear(),e.renderBufferDirect(i,null,a,v,y,null),x.uniforms.shadow_pass.value=n.mapPass.texture,x.uniforms.resolution.value=n.mapSize,x.uniforms.radius.value=n.radius,e.setRenderTarget(n.map),e.clear(),e.renderBufferDirect(i,null,a,x,y,null)}function b(t,n,i,r){let a=null;const s=!0===i.isPointLight?t.customDistanceMaterial:t.customDepthMaterial;if(void 0!==s)a=s;else if(a=!0===i.isPointLight?l:o,e.localClippingEnabled&&!0===n.clipShadows&&Array.isArray(n.clippingPlanes)&&0!==n.clippingPlanes.length||n.displacementMap&&0!==n.displacementScale||n.alphaMap&&n.alphaTest>0||n.map&&n.alphaTest>0){const e=a.uuid,t=n.uuid;let i=c[e];void 0===i&&(i={},c[e]=i);let r=i[t];void 0===r&&(r=a.clone(),i[t]=r),a=r}if(a.visible=n.visible,a.wireframe=n.wireframe,a.side=r===d?null!==n.shadowSide?n.shadowSide:n.side:null!==n.shadowSide?n.shadowSide:_[n.side],a.alphaMap=n.alphaMap,a.alphaTest=n.alphaTest,a.map=n.map,a.clipShadows=n.clipShadows,a.clippingPlanes=n.clippingPlanes,a.clipIntersection=n.clipIntersection,a.displacementMap=n.displacementMap,a.displacementScale=n.displacementScale,a.displacementBias=n.displacementBias,a.wireframeLinewidth=n.wireframeLinewidth,a.linewidth=n.linewidth,!0===i.isPointLight&&!0===a.isMeshDistanceMaterial){const t=e.properties.get(a);t.light=i}return a}function A(n,r,a,s,o){if(!1===n.visible)return;const l=n.layers.test(r.layers);if(l&&(n.isMesh||n.isLine||n.isPoints)&&(n.castShadow||n.receiveShadow&&o===d)&&(!n.frustumCulled||i.intersectsObject(n))){n.modelViewMatrix.multiplyMatrices(a.matrixWorldInverse,n.matrixWorld);const i=t.update(n),r=n.material;if(Array.isArray(r)){const t=i.groups;for(let l=0,c=t.length;l<c;l++){const c=t[l],h=r[c.materialIndex];if(h&&h.visible){const t=b(n,h,s,o);e.renderBufferDirect(a,null,i,t,n,c)}}}else if(r.visible){const t=b(n,r,s,o);e.renderBufferDirect(a,null,i,t,n,null)}}const c=n.children;for(let e=0,t=c.length;e<t;e++)A(c[e],r,a,s,o)}this.render=function(t,n,o){if(!1===S.enabled)return;if(!1===S.autoUpdate&&!1===S.needsUpdate)return;if(0===t.length)return;const l=e.getRenderTarget(),c=e.getActiveCubeFace(),h=e.getActiveMipmapLevel(),p=e.state;p.setBlending(g),p.buffers.color.setClear(1,1,1,1),p.buffers.depth.setTest(!0),p.setScissorTest(!1);const f=T!==d&&this.type===d,m=T===d&&this.type!==d;for(let g=0,_=t.length;g<_;g++){const l=t[g],c=l.shadow;if(void 0===c){console.warn("THREE.WebGLShadowMap:",l,"has no shadow.");continue}if(!1===c.autoUpdate&&!1===c.needsUpdate)continue;r.copy(c.mapSize);const h=c.getFrameExtents();if(r.multiply(h),a.copy(c.mapSize),(r.x>u||r.y>u)&&(r.x>u&&(a.x=Math.floor(u/h.x),r.x=a.x*h.x,c.mapSize.x=a.x),r.y>u&&(a.y=Math.floor(u/h.y),r.y=a.y*h.y,c.mapSize.y=a.y)),null===c.map||!0===f||!0===m){const e=this.type!==d?{minFilter:he,magFilter:he}:{};null!==c.map&&c.map.dispose(),c.map=new Kn(r.x,r.y,e),c.map.texture.name=l.name+".shadowMap",c.camera.updateProjectionMatrix()}e.setRenderTarget(c.map),e.clear();const _=c.getViewportCount();for(let e=0;e<_;e++){const t=c.getViewport(e);s.set(a.x*t.x,a.y*t.y,a.x*t.z,a.y*t.w),p.viewport(s),c.updateMatrices(l,e),i=c.getFrustum(),A(n,o,c.camera,l,this.type)}!0!==c.isPointLightShadow&&this.type===d&&E(c,o),c.needsUpdate=!1}T=this.type,S.needsUpdate=!1,e.setRenderTarget(l,c,h)}}function Vh(e,t,n){const i=n.isWebGL2;function r(){let t=!1;const n=new qn;let i=null;const r=new qn(0,0,0,0);return{setMask:function(n){i===n||t||(e.colorMask(n,n,n,n),i=n)},setLocked:function(e){t=e},setClear:function(t,i,a,s,o){!0===o&&(t*=s,i*=s,a*=s),n.set(t,i,a,s),!1===r.equals(n)&&(e.clearColor(t,i,a,s),r.copy(n))},reset:function(){t=!1,i=null,r.set(-1,0,0,0)}}}function a(){let t=!1,n=null,i=null,r=null;return{setTest:function(t){t?Ee(e.DEPTH_TEST):be(e.DEPTH_TEST)},setMask:function(i){n===i||t||(e.depthMask(i),n=i)},setFunc:function(t){if(i!==t){switch(t){case B:e.depthFunc(e.NEVER);break;case z:e.depthFunc(e.ALWAYS);break;case H:e.depthFunc(e.LESS);break;case k:e.depthFunc(e.LEQUAL);break;case G:e.depthFunc(e.EQUAL);break;case V:e.depthFunc(e.GEQUAL);break;case W:e.depthFunc(e.GREATER);break;case X:e.depthFunc(e.NOTEQUAL);break;default:e.depthFunc(e.LEQUAL)}i=t}},setLocked:function(e){t=e},setClear:function(t){r!==t&&(e.clearDepth(t),r=t)},reset:function(){t=!1,n=null,i=null,r=null}}}function s(){let t=!1,n=null,i=null,r=null,a=null,s=null,o=null,l=null,c=null;return{setTest:function(n){t||(n?Ee(e.STENCIL_TEST):be(e.STENCIL_TEST))},setMask:function(i){n===i||t||(e.stencilMask(i),n=i)},setFunc:function(t,n,s){i===t&&r===n&&a===s||(e.stencilFunc(t,n,s),i=t,r=n,a=s)},setOp:function(t,n,i){s===t&&o===n&&l===i||(e.stencilOp(t,n,i),s=t,o=n,l=i)},setLocked:function(e){t=e},setClear:function(t){c!==t&&(e.clearStencil(t),c=t)},reset:function(){t=!1,n=null,i=null,r=null,a=null,s=null,o=null,l=null,c=null}}}const h=new r,u=new a,d=new s,p=new WeakMap,j=new WeakMap;let q={},Y={},K=new WeakMap,Z=[],J=null,Q=!1,$=null,ee=null,te=null,ne=null,ie=null,re=null,ae=null,se=!1,oe=null,le=null,ce=null,he=null,ue=null;const de=e.getParameter(e.MAX_COMBINED_TEXTURE_IMAGE_UNITS);let pe=!1,fe=0;const me=e.getParameter(e.VERSION);-1!==me.indexOf("WebGL")?(fe=parseFloat(/^WebGL (\d)/.exec(me)[1]),pe=fe>=1):-1!==me.indexOf("OpenGL ES")&&(fe=parseFloat(/^OpenGL ES (\d)/.exec(me)[1]),pe=fe>=2);let 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r=A[i],a=r.image[t].image;v?n.texSubImage2D(e.TEXTURE_CUBE_MAP_POSITIVE_X+t,i+1,0,0,a.width,a.height,m,g,a.data):n.texImage2D(e.TEXTURE_CUBE_MAP_POSITIVE_X+t,i+1,_,a.width,a.height,0,m,g,a.data)}}else{v?n.texSubImage2D(e.TEXTURE_CUBE_MAP_POSITIVE_X+t,0,0,0,m,g,d[t]):n.texImage2D(e.TEXTURE_CUBE_MAP_POSITIVE_X+t,0,_,m,g,d[t]);for(let i=0;i<A.length;i++){const r=A[i];v?n.texSubImage2D(e.TEXTURE_CUBE_MAP_POSITIVE_X+t,i+1,0,0,m,g,r.image[t]):n.texImage2D(e.TEXTURE_CUBE_MAP_POSITIVE_X+t,i+1,_,m,g,r.image[t])}}}S(r,f)&&T(e.TEXTURE_CUBE_MAP),u.__version=h.version,r.onUpdate&&r.onUpdate(r)}t.__version=r.version}function q(t,r,s,o,l,c){const h=a.convert(s.format,s.colorSpace),u=a.convert(s.type),p=E(s.internalFormat,h,u,s.colorSpace),f=i.get(r);if(!f.__hasExternalTextures){const 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a=i.get(r[t]).__webglTexture;n.bindFramebuffer(e.FRAMEBUFFER,h.__webglFramebuffer),e.framebufferTexture2D(e.DRAW_FRAMEBUFFER,e.COLOR_ATTACHMENT0+t,e.TEXTURE_2D,a,0)}n.bindFramebuffer(e.DRAW_FRAMEBUFFER,h.__webglMultisampledFramebuffer)}}function te(e){return Math.min(u,e.samples)}function ne(e){const n=i.get(e);return o&&e.samples>0&&!0===t.has("WEBGL_multisampled_render_to_texture")&&!1!==n.__useRenderToTexture}function ie(e){const t=s.render.frame;f.get(e)!==t&&(f.set(e,t),e.update())}function re(e,n){const i=e.colorSpace,r=e.format,a=e.type;return!0===e.isCompressedTexture||e.format===jt||i!==Ut&&i!==Lt&&(i===Pt?!1===o?!0===t.has("EXT_sRGB")&&r===Re?(e.format=jt,e.minFilter=pe,e.generateMipmaps=!1):n=kn.sRGBToLinear(n):r===Re&&a===ge||console.warn("THREE.WebGLTextures: sRGB encoded textures have to use RGBAFormat and UnsignedByteType."):console.error("THREE.WebGLTextures: Unsupported texture color space:",i)),n}this.allocateTextureUnit=D,this.resetTextureUnits=I,this.setTexture2D=O,this.setTexture2DArray=F,this.setTexture3D=B,this.setTextureCube=z,this.rebindTextures=J,this.setupRenderTarget=Q,this.updateRenderTargetMipmap=$,this.updateMultisampleRenderTarget=ee,this.setupDepthRenderbuffer=Z,this.setupFrameBufferTexture=q,this.useMultisampledRTT=ne}function Xh(e,t,n){const i=n.isWebGL2;function r(n,r=Lt){let a;if(n===ge)return e.UNSIGNED_BYTE;if(n===Ee)return e.UNSIGNED_SHORT_4_4_4_4;if(n===be)return e.UNSIGNED_SHORT_5_5_5_1;if(n===_e)return e.BYTE;if(n===ve)return e.SHORT;if(n===xe)return e.UNSIGNED_SHORT;if(n===Me)return e.INT;if(n===ye)return e.UNSIGNED_INT;if(n===Se)return e.FLOAT;if(n===Te)return i?e.HALF_FLOAT:(a=t.get("OES_texture_half_float"),null!==a?a.HALF_FLOAT_OES:null);if(n===we)return e.ALPHA;if(n===Re)return e.RGBA;if(n===Ce)return e.LUMINANCE;if(n===Le)return e.LUMINANCE_ALPHA;if(n===Pe)return e.DEPTH_COMPONENT;if(n===Ue)return e.DEPTH_STENCIL;if(n===jt)return a=t.get("EXT_sRGB"),null!==a?a.SRGB_ALPHA_EXT:null;if(n===Ie)return e.RED;if(n===De)return e.RED_INTEGER;if(n===Ne)return e.RG;if(n===Oe)return e.RG_INTEGER;if(n===Fe)return e.RGBA_INTEGER;if(n===Be||n===ze||n===He||n===ke)if(r===Pt){if(a=t.get("WEBGL_compressed_texture_s3tc_srgb"),null===a)return null;if(n===Be)return a.COMPRESSED_SRGB_S3TC_DXT1_EXT;if(n===ze)return a.COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT;if(n===He)return a.COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT;if(n===ke)return a.COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT}else{if(a=t.get("WEBGL_compressed_texture_s3tc"),null===a)return null;if(n===Be)return a.COMPRESSED_RGB_S3TC_DXT1_EXT;if(n===ze)return a.COMPRESSED_RGBA_S3TC_DXT1_EXT;if(n===He)return a.COMPRESSED_RGBA_S3TC_DXT3_EXT;if(n===ke)return a.COMPRESSED_RGBA_S3TC_DXT5_EXT}if(n===Ge||n===Ve||n===We||n===Xe){if(a=t.get("WEBGL_compressed_texture_pvrtc"),null===a)return null;if(n===Ge)return a.COMPRESSED_RGB_PVRTC_4BPPV1_IMG;if(n===Ve)return a.COMPRESSED_RGB_PVRTC_2BPPV1_IMG;if(n===We)return a.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG;if(n===Xe)return a.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG}if(n===je)return a=t.get("WEBGL_compressed_texture_etc1"),null!==a?a.COMPRESSED_RGB_ETC1_WEBGL:null;if(n===qe||n===Ye){if(a=t.get("WEBGL_compressed_texture_etc"),null===a)return null;if(n===qe)return r===Pt?a.COMPRESSED_SRGB8_ETC2:a.COMPRESSED_RGB8_ETC2;if(n===Ye)return r===Pt?a.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:a.COMPRESSED_RGBA8_ETC2_EAC}if(n===Ke||n===Ze||n===Je||n===Qe||n===$e||n===et||n===tt||n===nt||n===it||n===rt||n===at||n===st||n===ot||n===lt){if(a=t.get("WEBGL_compressed_texture_astc"),null===a)return null;if(n===Ke)return r===Pt?a.COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:a.COMPRESSED_RGBA_ASTC_4x4_KHR;if(n===Ze)return r===Pt?a.COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:a.COMPRESSED_RGBA_ASTC_5x4_KHR;if(n===Je)return r===Pt?a.COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:a.COMPRESSED_RGBA_ASTC_5x5_KHR;if(n===Qe)return r===Pt?a.COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:a.COMPRESSED_RGBA_ASTC_6x5_KHR;if(n===$e)return r===Pt?a.COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:a.COMPRESSED_RGBA_ASTC_6x6_KHR;if(n===et)return r===Pt?a.COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:a.COMPRESSED_RGBA_ASTC_8x5_KHR;if(n===tt)return r===Pt?a.COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:a.COMPRESSED_RGBA_ASTC_8x6_KHR;if(n===nt)return r===Pt?a.COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:a.COMPRESSED_RGBA_ASTC_8x8_KHR;if(n===it)return r===Pt?a.COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:a.COMPRESSED_RGBA_ASTC_10x5_KHR;if(n===rt)return r===Pt?a.COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:a.COMPRESSED_RGBA_ASTC_10x6_KHR;if(n===at)return r===Pt?a.COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:a.COMPRESSED_RGBA_ASTC_10x8_KHR;if(n===st)return r===Pt?a.COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:a.COMPRESSED_RGBA_ASTC_10x10_KHR;if(n===ot)return r===Pt?a.COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:a.COMPRESSED_RGBA_ASTC_12x10_KHR;if(n===lt)return r===Pt?a.COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:a.COMPRESSED_RGBA_ASTC_12x12_KHR}if(n===ct){if(a=t.get("EXT_texture_compression_bptc"),null===a)return null;if(n===ct)return r===Pt?a.COMPRESSED_SRGB_ALPHA_BPTC_UNORM_EXT:a.COMPRESSED_RGBA_BPTC_UNORM_EXT}if(n===ht||n===ut||n===dt||n===pt){if(a=t.get("EXT_texture_compression_rgtc"),null===a)return null;if(n===ct)return a.COMPRESSED_RED_RGTC1_EXT;if(n===ut)return a.COMPRESSED_SIGNED_RED_RGTC1_EXT;if(n===dt)return a.COMPRESSED_RED_GREEN_RGTC2_EXT;if(n===pt)return a.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT}return n===Ae?i?e.UNSIGNED_INT_24_8:(a=t.get("WEBGL_depth_texture"),null!==a?a.UNSIGNED_INT_24_8_WEBGL:null):void 0!==e[n]?e[n]:null}return{convert:r}}class jh extends da{constructor(e=[]){super(),this.isArrayCamera=!0,this.cameras=e}}class qh extends er{constructor(){super(),this.isGroup=!0,this.type="Group"}}const Yh={type:"move"};class Kh{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return null===this._hand&&(this._hand=new qh,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 qh,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new $n,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new $n),this._targetRay}getGripSpace(){return null===this._grip&&(this._grip=new qh,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new $n,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new $n),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){const t=this._hand;if(t)for(const n of e.hand.values())this._getHandJoint(t,n)}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,n){let i=null,r=null,a=null;const s=this._targetRay,o=this._grip,l=this._hand;if(e&&"visible-blurred"!==t.session.visibilityState){if(l&&e.hand){a=!0;for(const a of e.hand.values()){const e=t.getJointPose(a,n),i=this._getHandJoint(l,a);null!==e&&(i.matrix.fromArray(e.transform.matrix),i.matrix.decompose(i.position,i.rotation,i.scale),i.matrixWorldNeedsUpdate=!0,i.jointRadius=e.radius),i.visible=null!==e}const i=l.joints["index-finger-tip"],r=l.joints["thumb-tip"],s=i.position.distanceTo(r.position),o=.02,c=.005;l.inputState.pinching&&s>o+c?(l.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:e.handedness,target:this})):!l.inputState.pinching&&s<=o-c&&(l.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:e.handedness,target:this}))}else null!==o&&e.gripSpace&&(r=t.getPose(e.gripSpace,n),null!==r&&(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&&(i=t.getPose(e.targetRaySpace,n),null===i&&null!==r&&(i=r),null!==i&&(s.matrix.fromArray(i.transform.matrix),s.matrix.decompose(s.position,s.rotation,s.scale),s.matrixWorldNeedsUpdate=!0,i.linearVelocity?(s.hasLinearVelocity=!0,s.linearVelocity.copy(i.linearVelocity)):s.hasLinearVelocity=!1,i.angularVelocity?(s.hasAngularVelocity=!0,s.angularVelocity.copy(i.angularVelocity)):s.hasAngularVelocity=!1,this.dispatchEvent(Yh)))}return null!==s&&(s.visible=null!==i),null!==o&&(o.visible=null!==r),null!==l&&(l.visible=null!==a),this}_getHandJoint(e,t){if(void 0===e.joints[t.jointName]){const n=new qh;n.matrixAutoUpdate=!1,n.visible=!1,e.joints[t.jointName]=n,e.add(n)}return e.joints[t.jointName]}}class Zh extends jn{constructor(e,t,n,i,r,a,s,o,l,c){if(c=void 0!==c?c:Pe,c!==Pe&&c!==Ue)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");void 0===n&&c===Pe&&(n=ye),void 0===n&&c===Ue&&(n=Ae),super(null,i,r,a,s,o,c,n,l),this.isDepthTexture=!0,this.image={width:e,height:t},this.magFilter=void 0!==s?s:he,this.minFilter=void 0!==o?o:he,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(e){return super.copy(e),this.compareFunction=e.compareFunction,this}toJSON(e){const t=super.toJSON(e);return null!==this.compareFunction&&(t.compareFunction=this.compareFunction),t}}class Jh extends Kt{constructor(e,t){super();const n=this;let i=null,r=1,a=null,s="local-floor",o=1,l=null,c=null,h=null,u=null,d=null,p=null;const f=t.getContextAttributes();let m=null,g=null;const _=[],v=[],x=new da;x.layers.enable(1),x.viewport=new qn;const M=new da;M.layers.enable(2),M.viewport=new qn;const y=[x,M],S=new jh;S.layers.enable(1),S.layers.enable(2);let T=null,E=null;function b(e){const t=v.indexOf(e.inputSource);if(-1===t)return;const n=_[t];void 0!==n&&(n.update(e.inputSource,e.frame,l||a),n.dispatchEvent({type:e.type,data:e.inputSource}))}function A(){i.removeEventListener("select",b),i.removeEventListener("selectstart",b),i.removeEventListener("selectend",b),i.removeEventListener("squeeze",b),i.removeEventListener("squeezestart",b),i.removeEventListener("squeezeend",b),i.removeEventListener("end",A),i.removeEventListener("inputsourceschange",w);for(let e=0;e<_.length;e++){const t=v[e];null!==t&&(v[e]=null,_[e].disconnect(t))}T=null,E=null,e.setRenderTarget(m),d=null,u=null,h=null,i=null,g=null,N.stop(),n.isPresenting=!1,n.dispatchEvent({type:"sessionend"})}function w(e){for(let t=0;t<e.removed.length;t++){const n=e.removed[t],i=v.indexOf(n);i>=0&&(v[i]=null,_[i].disconnect(n))}for(let t=0;t<e.added.length;t++){const n=e.added[t];let i=v.indexOf(n);if(-1===i){for(let e=0;e<_.length;e++){if(e>=v.length){v.push(n),i=e;break}if(null===v[e]){v[e]=n,i=e;break}}if(-1===i)break}const r=_[i];r&&r.connect(n)}}this.cameraAutoUpdate=!0,this.enabled=!1,this.isPresenting=!1,this.getController=function(e){let t=_[e];return void 0===t&&(t=new Kh,_[e]=t),t.getTargetRaySpace()},this.getControllerGrip=function(e){let t=_[e];return void 0===t&&(t=new Kh,_[e]=t),t.getGripSpace()},this.getHand=function(e){let t=_[e];return void 0===t&&(t=new Kh,_[e]=t),t.getHandSpace()},this.setFramebufferScaleFactor=function(e){r=e,!0===n.isPresenting&&console.warn("THREE.WebXRManager: Cannot change framebuffer scale while presenting.")},this.setReferenceSpaceType=function(e){s=e,!0===n.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!==u?u:d},this.getBinding=function(){return h},this.getFrame=function(){return p},this.getSession=function(){return i},this.setSession=async function(c){if(i=c,null!==i){if(m=e.getRenderTarget(),i.addEventListener("select",b),i.addEventListener("selectstart",b),i.addEventListener("selectend",b),i.addEventListener("squeeze",b),i.addEventListener("squeezestart",b),i.addEventListener("squeezeend",b),i.addEventListener("end",A),i.addEventListener("inputsourceschange",w),!0!==f.xrCompatible&&await t.makeXRCompatible(),void 0===i.renderState.layers||!1===e.capabilities.isWebGL2){const n={antialias:void 0!==i.renderState.layers||f.antialias,alpha:!0,depth:f.depth,stencil:f.stencil,framebufferScaleFactor:r};d=new XRWebGLLayer(i,t,n),i.updateRenderState({baseLayer:d}),g=new Kn(d.framebufferWidth,d.framebufferHeight,{format:Re,type:ge,colorSpace:e.outputColorSpace,stencilBuffer:f.stencil})}else{let n=null,a=null,s=null;f.depth&&(s=f.stencil?t.DEPTH24_STENCIL8:t.DEPTH_COMPONENT24,n=f.stencil?Ue:Pe,a=f.stencil?Ae:ye);const o={colorFormat:t.RGBA8,depthFormat:s,scaleFactor:r};h=new XRWebGLBinding(i,t),u=h.createProjectionLayer(o),i.updateRenderState({layers:[u]}),g=new Kn(u.textureWidth,u.textureHeight,{format:Re,type:ge,depthTexture:new Zh(u.textureWidth,u.textureHeight,a,void 0,void 0,void 0,void 0,void 0,void 0,n),stencilBuffer:f.stencil,colorSpace:e.outputColorSpace,samples:f.antialias?4:0});const l=e.properties.get(g);l.__ignoreDepthValues=u.ignoreDepthValues}g.isXRRenderTarget=!0,this.setFoveation(o),l=null,a=await i.requestReferenceSpace(s),N.setContext(i),N.start(),n.isPresenting=!0,n.dispatchEvent({type:"sessionstart"})}},this.getEnvironmentBlendMode=function(){if(null!==i)return i.environmentBlendMode};const R=new $n,C=new $n;function L(e,t,n){R.setFromMatrixPosition(t.matrixWorld),C.setFromMatrixPosition(n.matrixWorld);const i=R.distanceTo(C),r=t.projectionMatrix.elements,a=n.projectionMatrix.elements,s=r[14]/(r[10]-1),o=r[14]/(r[10]+1),l=(r[9]+1)/r[5],c=(r[9]-1)/r[5],h=(r[8]-1)/r[0],u=(a[8]+1)/a[0],d=s*h,p=s*u,f=i/(-h+u),m=f*-h;t.matrixWorld.decompose(e.position,e.quaternion,e.scale),e.translateX(m),e.translateZ(f),e.matrixWorld.compose(e.position,e.quaternion,e.scale),e.matrixWorldInverse.copy(e.matrixWorld).invert();const g=s+f,_=o+f,v=d-m,x=p+(i-m),M=l*o/_*g,y=c*o/_*g;e.projectionMatrix.makePerspective(v,x,M,y,g,_),e.projectionMatrixInverse.copy(e.projectionMatrix).invert()}function P(e,t){null===t?e.matrixWorld.copy(e.matrix):e.matrixWorld.multiplyMatrices(t.matrixWorld,e.matrix),e.matrixWorldInverse.copy(e.matrixWorld).invert()}function U(e,t,n){null===n?e.matrix.copy(t.matrixWorld):(e.matrix.copy(n.matrixWorld),e.matrix.invert(),e.matrix.multiply(t.matrixWorld)),e.matrix.decompose(e.position,e.quaternion,e.scale),e.updateMatrixWorld(!0);const i=e.children;for(let r=0,a=i.length;r<a;r++)i[r].updateMatrixWorld(!0);e.projectionMatrix.copy(t.projectionMatrix),e.projectionMatrixInverse.copy(t.projectionMatrixInverse),e.isPerspectiveCamera&&(e.fov=2*$t*Math.atan(1/e.projectionMatrix.elements[5]),e.zoom=1)}this.updateCamera=function(e){if(null===i)return;S.near=M.near=x.near=e.near,S.far=M.far=x.far=e.far,T===S.near&&E===S.far||(i.updateRenderState({depthNear:S.near,depthFar:S.far}),T=S.near,E=S.far);const t=e.parent,n=S.cameras;P(S,t);for(let i=0;i<n.length;i++)P(n[i],t);2===n.length?L(S,x,M):S.projectionMatrix.copy(x.projectionMatrix),U(e,S,t)},this.getCamera=function(){return S},this.getFoveation=function(){if(null!==u||null!==d)return o},this.setFoveation=function(e){o=e,null!==u&&(u.fixedFoveation=e),null!==d&&void 0!==d.fixedFoveation&&(d.fixedFoveation=e)};let I=null;function D(t,i){if(c=i.getViewerPose(l||a),p=i,null!==c){const t=c.views;null!==d&&(e.setRenderTargetFramebuffer(g,d.framebuffer),e.setRenderTarget(g));let n=!1;t.length!==S.cameras.length&&(S.cameras.length=0,n=!0);for(let i=0;i<t.length;i++){const r=t[i];let a=null;if(null!==d)a=d.getViewport(r);else{const t=h.getViewSubImage(u,r);a=t.viewport,0===i&&(e.setRenderTargetTextures(g,t.colorTexture,u.ignoreDepthValues?void 0:t.depthStencilTexture),e.setRenderTarget(g))}let s=y[i];void 0===s&&(s=new da,s.layers.enable(i),s.viewport=new qn,y[i]=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===i&&(S.matrix.copy(s.matrix),S.matrix.decompose(S.position,S.quaternion,S.scale)),!0===n&&S.cameras.push(s)}}for(let e=0;e<_.length;e++){const t=v[e],n=_[e];null!==t&&void 0!==n&&n.update(t,i,l||a)}I&&I(t,i),i.detectedPlanes&&n.dispatchEvent({type:"planesdetected",data:i}),p=null}const N=new ba;N.setAnimationLoop(D),this.setAnimationLoop=function(e){I=e},this.dispose=function(){}}}function Qh(e,t){function n(e,t){!0===e.matrixAutoUpdate&&e.updateMatrix(),t.value.copy(e.matrix)}function i(t,n){n.color.getRGB(t.fogColor.value,sa(e)),n.isFog?(t.fogNear.value=n.near,t.fogFar.value=n.far):n.isFogExp2&&(t.fogDensity.value=n.density)}function r(e,t,n,i,r){t.isMeshBasicMaterial||t.isMeshLambertMaterial?a(e,t):t.isMeshToonMaterial?(a(e,t),u(e,t)):t.isMeshPhongMaterial?(a(e,t),h(e,t)):t.isMeshStandardMaterial?(a(e,t),d(e,t),t.isMeshPhysicalMaterial&&p(e,t,r)):t.isMeshMatcapMaterial?(a(e,t),m(e,t)):t.isMeshDepthMaterial?a(e,t):t.isMeshDistanceMaterial?(a(e,t),g(e,t)):t.isMeshNormalMaterial?a(e,t):t.isLineBasicMaterial?(s(e,t),t.isLineDashedMaterial&&o(e,t)):t.isPointsMaterial?l(e,t,n,i):t.isSpriteMaterial?c(e,t):t.isShadowMaterial?(e.color.value.copy(t.color),e.opacity.value=t.opacity):t.isShaderMaterial&&(t.uniformsNeedUpdate=!1)}function a(i,r){i.opacity.value=r.opacity,r.color&&i.diffuse.value.copy(r.color),r.emissive&&i.emissive.value.copy(r.emissive).multiplyScalar(r.emissiveIntensity),r.map&&(i.map.value=r.map,n(r.map,i.mapTransform)),r.alphaMap&&(i.alphaMap.value=r.alphaMap,n(r.alphaMap,i.alphaMapTransform)),r.bumpMap&&(i.bumpMap.value=r.bumpMap,n(r.bumpMap,i.bumpMapTransform),i.bumpScale.value=r.bumpScale,r.side===f&&(i.bumpScale.value*=-1)),r.normalMap&&(i.normalMap.value=r.normalMap,n(r.normalMap,i.normalMapTransform),i.normalScale.value.copy(r.normalScale),r.side===f&&i.normalScale.value.negate()),r.displacementMap&&(i.displacementMap.value=r.displacementMap,n(r.displacementMap,i.displacementMapTransform),i.displacementScale.value=r.displacementScale,i.displacementBias.value=r.displacementBias),r.emissiveMap&&(i.emissiveMap.value=r.emissiveMap,n(r.emissiveMap,i.emissiveMapTransform)),r.specularMap&&(i.specularMap.value=r.specularMap,n(r.specularMap,i.specularMapTransform)),r.alphaTest>0&&(i.alphaTest.value=r.alphaTest);const 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t=le.update(e),r=e.material;r.visible&&v.push(e,t,r,n,Y.z,null)}}else if((e.isMesh||e.isLine||e.isPoints)&&(!e.frustumCulled||G.intersectsObject(e))){const t=le.update(e),r=e.material;if(i&&(void 0!==e.boundingSphere?(null===e.boundingSphere&&e.computeBoundingSphere(),Y.copy(e.boundingSphere.center)):(null===t.boundingSphere&&t.computeBoundingSphere(),Y.copy(t.boundingSphere.center)),Y.applyMatrix4(e.matrixWorld).applyMatrix4(j)),Array.isArray(r)){const i=t.groups;for(let a=0,s=i.length;a<s;a++){const s=i[a],o=r[s.materialIndex];o&&o.visible&&v.push(e,t,o,n,Y.z,s)}}else r.visible&&v.push(e,t,r,n,Y.z,null)}const a=e.children;for(let s=0,o=a.length;s<o;s++)Ze(a[s],t,n,i)}function Je(e,t,n,i){const r=e.opaque,a=e.transmissive,s=e.transparent;x.setupLightsView(n),!0===V&&pe.setGlobalState(S.clippingPlanes,n),a.length>0&&Qe(r,a,t,n),i&&ee.viewport(C.copy(i)),r.length>0&&$e(r,t,n),a.length>0&&$e(a,t,n),s.length>0&&$e(s,t,n),ee.buffers.depth.setTest(!0),ee.buffers.depth.setMask(!0),ee.buffers.color.setMask(!0),ee.setPolygonOffset(!1)}function Qe(e,t,n,i){const r=$.isWebGL2;null===X&&(X=new Kn(1,1,{generateMipmaps:!0,type:Q.has("EXT_color_buffer_half_float")?Te:ge,minFilter:me,samples:r?4:0})),S.getDrawingBufferSize(q),r?X.setSize(q.x,q.y):X.setSize(xn(q.x),xn(q.y));const a=S.getRenderTarget();S.setRenderTarget(X),S.getClearColor(U),I=S.getClearAlpha(),I<1&&S.setClearColor(16777215,.5),S.clear();const s=S.toneMapping;S.toneMapping=K,$e(e,n,i),ie.updateMultisampleRenderTarget(X),ie.updateRenderTargetMipmap(X);let o=!1;for(let l=0,c=t.length;l<c;l++){const e=t[l],r=e.object,a=e.geometry,s=e.material,c=e.group;if(s.side===m&&r.layers.test(i.layers)){const e=s.side;s.side=f,s.needsUpdate=!0,et(r,n,i,a,s,c),s.side=e,s.needsUpdate=!0,o=!0}}!0===o&&(ie.updateMultisampleRenderTarget(X),ie.updateRenderTargetMipmap(X)),S.setRenderTarget(a),S.setClearColor(U,I),S.toneMapping=s}function $e(e,t,n){const i=!0===t.isScene?t.overrideMaterial:null;for(let r=0,a=e.length;r<a;r++){const a=e[r],s=a.object,o=a.geometry,l=null===i?a.material:i,c=a.group;s.layers.test(n.layers)&&et(s,t,n,o,l,c)}}function et(e,t,n,i,r,a){e.onBeforeRender(S,t,n,i,r,a),e.modelViewMatrix.multiplyMatrices(n.matrixWorldInverse,e.matrixWorld),e.normalMatrix.getNormalMatrix(e.modelViewMatrix),r.onBeforeRender(S,t,n,i,e,a),!0===r.transparent&&r.side===m&&!1===r.forceSinglePass?(r.side=f,r.needsUpdate=!0,S.renderBufferDirect(n,t,i,r,e,a),r.side=p,r.needsUpdate=!0,S.renderBufferDirect(n,t,i,r,e,a),r.side=m):S.renderBufferDirect(n,t,i,r,e,a),e.onAfterRender(S,t,n,i,r,a)}function tt(e,t,n){!0!==t.isScene&&(t=Z);const i=ne.get(e),r=x.state.lights,a=x.state.shadowsArray,s=r.state.version,o=ce.getParameters(e,r.state,a,t,n),l=ce.getProgramCacheKey(o);let c=i.programs;i.environment=e.isMeshStandardMaterial?t.environment:null,i.fog=t.fog,i.envMap=(e.isMeshStandardMaterial?ae:re).get(e.envMap||i.environment),void 0===c&&(e.addEventListener("dispose",Ge),c=new Map,i.programs=c);let h=c.get(l);if(void 0!==h){if(i.currentProgram===h&&i.lightsStateVersion===s)return nt(e,o),h}else o.uniforms=ce.getUniforms(e),e.onBuild(n,o,S),e.onBeforeCompile(o,S),h=ce.acquireProgram(o,l),c.set(l,h),i.uniforms=o.uniforms;const u=i.uniforms;(e.isShaderMaterial||e.isRawShaderMaterial)&&!0!==e.clipping||(u.clippingPlanes=pe.uniform),nt(e,o),i.needsLights=at(e),i.lightsStateVersion=s,i.needsLights&&(u.ambientLightColor.value=r.state.ambient,u.lightProbe.value=r.state.probe,u.directionalLights.value=r.state.directional,u.directionalLightShadows.value=r.state.directionalShadow,u.spotLights.value=r.state.spot,u.spotLightShadows.value=r.state.spotShadow,u.rectAreaLights.value=r.state.rectArea,u.ltc_1.value=r.state.rectAreaLTC1,u.ltc_2.value=r.state.rectAreaLTC2,u.pointLights.value=r.state.point,u.pointLightShadows.value=r.state.pointShadow,u.hemisphereLights.value=r.state.hemi,u.directionalShadowMap.value=r.state.directionalShadowMap,u.directionalShadowMatrix.value=r.state.directionalShadowMatrix,u.spotShadowMap.value=r.state.spotShadowMap,u.spotLightMatrix.value=r.state.spotLightMatrix,u.spotLightMap.value=r.state.spotLightMap,u.pointShadowMap.value=r.state.pointShadowMap,u.pointShadowMatrix.value=r.state.pointShadowMatrix);const d=h.getUniforms(),p=Yc.seqWithValue(d.seq,u);return i.currentProgram=h,i.uniformsList=p,h}function nt(e,t){const n=ne.get(e);n.outputColorSpace=t.outputColorSpace,n.instancing=t.instancing,n.instancingColor=t.instancingColor,n.skinning=t.skinning,n.morphTargets=t.morphTargets,n.morphNormals=t.morphNormals,n.morphColors=t.morphColors,n.morphTargetsCount=t.morphTargetsCount,n.numClippingPlanes=t.numClippingPlanes,n.numIntersection=t.numClipIntersection,n.vertexAlphas=t.vertexAlphas,n.vertexTangents=t.vertexTangents,n.toneMapping=t.toneMapping}function it(e,t,n,i,r){!0!==t.isScene&&(t=Z),ie.resetTextureUnits();const a=t.fog,s=i.isMeshStandardMaterial?t.environment:null,o=null===A?S.outputColorSpace:!0===A.isXRRenderTarget?A.texture.colorSpace:Ut,l=(i.isMeshStandardMaterial?ae:re).get(i.envMap||s),c=!0===i.vertexColors&&!!n.attributes.color&&4===n.attributes.color.itemSize,h=!!n.attributes.tangent&&(!!i.normalMap||i.anisotropy>0),u=!!n.morphAttributes.position,d=!!n.morphAttributes.normal,p=!!n.morphAttributes.color;let f=K;i.toneMapped&&(null!==A&&!0!==A.isXRRenderTarget||(f=S.toneMapping));const m=n.morphAttributes.position||n.morphAttributes.normal||n.morphAttributes.color,g=void 0!==m?m.length:0,_=ne.get(i),v=x.state.lights;if(!0===V&&(!0===W||e!==R)){const t=e===R&&i.id===w;pe.setState(i,e,t)}let M=!1;i.version===_.__version?_.needsLights&&_.lightsStateVersion!==v.state.version||_.outputColorSpace!==o||r.isInstancedMesh&&!1===_.instancing?M=!0:r.isInstancedMesh||!0!==_.instancing?r.isSkinnedMesh&&!1===_.skinning?M=!0:r.isSkinnedMesh||!0!==_.skinning?r.isInstancedMesh&&!0===_.instancingColor&&null===r.instanceColor||r.isInstancedMesh&&!1===_.instancingColor&&null!==r.instanceColor||_.envMap!==l||!0===i.fog&&_.fog!==a?M=!0:void 0===_.numClippingPlanes||_.numClippingPlanes===pe.numPlanes&&_.numIntersection===pe.numIntersection?(_.vertexAlphas!==c||_.vertexTangents!==h||_.morphTargets!==u||_.morphNormals!==d||_.morphColors!==p||_.toneMapping!==f||!0===$.isWebGL2&&_.morphTargetsCount!==g)&&(M=!0):M=!0:M=!0:M=!0:(M=!0,_.__version=i.version);let y=_.currentProgram;!0===M&&(y=tt(i,t,r));let T=!1,E=!1,b=!1;const C=y.getUniforms(),L=_.uniforms;if(ee.useProgram(y.program)&&(T=!0,E=!0,b=!0),i.id!==w&&(w=i.id,E=!0),T||R!==e){if(C.setValue(Ue,"projectionMatrix",e.projectionMatrix),$.logarithmicDepthBuffer&&C.setValue(Ue,"logDepthBufFC",2/(Math.log(e.far+1)/Math.LN2)),R!==e&&(R=e,E=!0,b=!0),i.isShaderMaterial||i.isMeshPhongMaterial||i.isMeshToonMaterial||i.isMeshStandardMaterial||i.envMap){const t=C.map.cameraPosition;void 0!==t&&t.setValue(Ue,Y.setFromMatrixPosition(e.matrixWorld))}(i.isMeshPhongMaterial||i.isMeshToonMaterial||i.isMeshLambertMaterial||i.isMeshBasicMaterial||i.isMeshStandardMaterial||i.isShaderMaterial)&&C.setValue(Ue,"isOrthographic",!0===e.isOrthographicCamera),(i.isMeshPhongMaterial||i.isMeshToonMaterial||i.isMeshLambertMaterial||i.isMeshBasicMaterial||i.isMeshStandardMaterial||i.isShaderMaterial||i.isShadowMaterial||r.isSkinnedMesh)&&C.setValue(Ue,"viewMatrix",e.matrixWorldInverse)}if(r.isSkinnedMesh){C.setOptional(Ue,r,"bindMatrix"),C.setOptional(Ue,r,"bindMatrixInverse");const e=r.skeleton;e&&($.floatVertexTextures?(null===e.boneTexture&&e.computeBoneTexture(),C.setValue(Ue,"boneTexture",e.boneTexture,ie),C.setValue(Ue,"boneTextureSize",e.boneTextureSize)):console.warn("THREE.WebGLRenderer: SkinnedMesh can only be used with WebGL 2. With WebGL 1 OES_texture_float and vertex textures support is required."))}const P=n.morphAttributes;if((void 0!==P.position||void 0!==P.normal||void 0!==P.color&&!0===$.isWebGL2)&&ve.update(r,n,y),(E||_.receiveShadow!==r.receiveShadow)&&(_.receiveShadow=r.receiveShadow,C.setValue(Ue,"receiveShadow",r.receiveShadow)),i.isMeshGouraudMaterial&&null!==i.envMap&&(L.envMap.value=l,L.flipEnvMap.value=l.isCubeTexture&&!1===l.isRenderTargetTexture?-1:1),E&&(C.setValue(Ue,"toneMappingExposure",S.toneMappingExposure),_.needsLights&&rt(L,b),a&&!0===i.fog&&he.refreshFogUniforms(L,a),he.refreshMaterialUniforms(L,i,O,N,X),Yc.upload(Ue,_.uniformsList,L,ie)),i.isShaderMaterial&&!0===i.uniformsNeedUpdate&&(Yc.upload(Ue,_.uniformsList,L,ie),i.uniformsNeedUpdate=!1),i.isSpriteMaterial&&C.setValue(Ue,"center",r.center),C.setValue(Ue,"modelViewMatrix",r.modelViewMatrix),C.setValue(Ue,"normalMatrix",r.normalMatrix),C.setValue(Ue,"modelMatrix",r.matrixWorld),i.isShaderMaterial||i.isRawShaderMaterial){const e=i.uniformsGroups;for(let t=0,n=e.length;t<n;t++)if($.isWebGL2){const n=e[t];Pe.update(n,y),Pe.bind(n,y)}else console.warn("THREE.WebGLRenderer: Uniform Buffer Objects can only be used with WebGL 2.")}return y}function rt(e,t){e.ambientLightColor.needsUpdate=t,e.lightProbe.needsUpdate=t,e.directionalLights.needsUpdate=t,e.directionalLightShadows.needsUpdate=t,e.pointLights.needsUpdate=t,e.pointLightShadows.needsUpdate=t,e.spotLights.needsUpdate=t,e.spotLightShadows.needsUpdate=t,e.rectAreaLights.needsUpdate=t,e.hemisphereLights.needsUpdate=t}function at(e){return e.isMeshLambertMaterial||e.isMeshToonMaterial||e.isMeshPhongMaterial||e.isMeshStandardMaterial||e.isShadowMaterial||e.isShaderMaterial&&!0===e.lights}Ke.setAnimationLoop(je),"undefined"!==typeof self&&Ke.setContext(self),this.setAnimationLoop=function(e){Xe=e,Be.setAnimationLoop(e),null===e?Ke.stop():Ke.start()},Be.addEventListener("sessionstart",qe),Be.addEventListener("sessionend",Ye),this.render=function(e,t){if(void 0!==t&&!0!==t.isCamera)return void console.error("THREE.WebGLRenderer.render: camera is not an instance of THREE.Camera.");if(!0===T)return;!0===e.matrixWorldAutoUpdate&&e.updateMatrixWorld(),null===t.parent&&!0===t.matrixWorldAutoUpdate&&t.updateMatrixWorld(),!0===Be.enabled&&!0===Be.isPresenting&&(!0===Be.cameraAutoUpdate&&Be.updateCamera(t),t=Be.getCamera()),!0===e.isScene&&e.onBeforeRender(S,e,t,A),x=de.get(e,y.length),x.init(),y.push(x),j.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),G.setFromProjectionMatrix(j),W=this.localClippingEnabled,V=pe.init(this.clippingPlanes,W),v=ue.get(e,M.length),v.init(),M.push(v),Ze(e,t,0,S.sortObjects),v.finish(),!0===S.sortObjects&&v.sort(F,B),this.info.render.frame++,!0===V&&pe.beginShadows();const n=x.state.shadowsArray;if(fe.render(n,e,t),!0===V&&pe.endShadows(),!0===this.info.autoReset&&this.info.reset(),_e.render(v,e),x.setupLights(S._useLegacyLights),t.isArrayCamera){const n=t.cameras;for(let t=0,i=n.length;t<i;t++){const i=n[t];Je(v,e,i,i.viewport)}}else Je(v,e,t);null!==A&&(ie.updateMultisampleRenderTarget(A),ie.updateRenderTargetMipmap(A)),!0===e.isScene&&e.onAfterRender(S,e,t),Le.resetDefaultState(),w=-1,R=null,y.pop(),x=y.length>0?y[y.length-1]:null,M.pop(),v=M.length>0?M[M.length-1]:null},this.getActiveCubeFace=function(){return E},this.getActiveMipmapLevel=function(){return b},this.getRenderTarget=function(){return A},this.setRenderTargetTextures=function(e,t,n){ne.get(e.texture).__webglTexture=t,ne.get(e.depthTexture).__webglTexture=n;const i=ne.get(e);i.__hasExternalTextures=!0,i.__hasExternalTextures&&(i.__autoAllocateDepthBuffer=void 0===n,i.__autoAllocateDepthBuffer||!0===Q.has("WEBGL_multisampled_render_to_texture")&&(console.warn("THREE.WebGLRenderer: Render-to-texture extension was disabled because an external texture was provided"),i.__useRenderToTexture=!1))},this.setRenderTargetFramebuffer=function(e,t){const n=ne.get(e);n.__webglFramebuffer=t,n.__useDefaultFramebuffer=void 0===t},this.setRenderTarget=function(e,t=0,n=0){A=e,E=t,b=n;let i=!0,r=null,a=!1,s=!1;if(e){const o=ne.get(e);void 0!==o.__useDefaultFramebuffer?(ee.bindFramebuffer(Ue.FRAMEBUFFER,null),i=!1):void 0===o.__webglFramebuffer?ie.setupRenderTarget(e):o.__hasExternalTextures&&ie.rebindTextures(e,ne.get(e.texture).__webglTexture,ne.get(e.depthTexture).__webglTexture);const l=e.texture;(l.isData3DTexture||l.isDataArrayTexture||l.isCompressedArrayTexture)&&(s=!0);const c=ne.get(e).__webglFramebuffer;e.isWebGLCubeRenderTarget?(r=Array.isArray(c[t])?c[t][n]:c[t],a=!0):r=$.isWebGL2&&e.samples>0&&!1===ie.useMultisampledRTT(e)?ne.get(e).__webglMultisampledFramebuffer:Array.isArray(c)?c[n]:c,C.copy(e.viewport),L.copy(e.scissor),P=e.scissorTest}else C.copy(z).multiplyScalar(O).floor(),L.copy(H).multiplyScalar(O).floor(),P=k;const o=ee.bindFramebuffer(Ue.FRAMEBUFFER,r);if(o&&$.drawBuffers&&i&&ee.drawBuffers(e,r),ee.viewport(C),ee.scissor(L),ee.setScissorTest(P),a){const i=ne.get(e.texture);Ue.framebufferTexture2D(Ue.FRAMEBUFFER,Ue.COLOR_ATTACHMENT0,Ue.TEXTURE_CUBE_MAP_POSITIVE_X+t,i.__webglTexture,n)}else if(s){const i=ne.get(e.texture),r=t||0;Ue.framebufferTextureLayer(Ue.FRAMEBUFFER,Ue.COLOR_ATTACHMENT0,i.__webglTexture,n||0,r)}w=-1},this.readRenderTargetPixels=function(e,t,n,i,r,a,s){if(!e||!e.isWebGLRenderTarget)return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not THREE.WebGLRenderTarget.");let o=ne.get(e).__webglFramebuffer;if(e.isWebGLCubeRenderTarget&&void 0!==s&&(o=o[s]),o){ee.bindFramebuffer(Ue.FRAMEBUFFER,o);try{const s=e.texture,o=s.format,l=s.type;if(o!==Re&&Ce.convert(o)!==Ue.getParameter(Ue.IMPLEMENTATION_COLOR_READ_FORMAT))return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in RGBA or implementation defined format.");const c=l===Te&&(Q.has("EXT_color_buffer_half_float")||$.isWebGL2&&Q.has("EXT_color_buffer_float"));if(l!==ge&&Ce.convert(l)!==Ue.getParameter(Ue.IMPLEMENTATION_COLOR_READ_TYPE)&&(l!==Se||!($.isWebGL2||Q.has("OES_texture_float")||Q.has("WEBGL_color_buffer_float")))&&!c)return void console.error("THREE.WebGLRenderer.readRenderTargetPixels: renderTarget is not in UnsignedByteType or implementation defined type.");t>=0&&t<=e.width-i&&n>=0&&n<=e.height-r&&Ue.readPixels(t,n,i,r,Ce.convert(o),Ce.convert(l),a)}finally{const e=null!==A?ne.get(A).__webglFramebuffer:null;ee.bindFramebuffer(Ue.FRAMEBUFFER,e)}}},this.copyFramebufferToTexture=function(e,t,n=0){const i=Math.pow(2,-n),r=Math.floor(t.image.width*i),a=Math.floor(t.image.height*i);ie.setTexture2D(t,0),Ue.copyTexSubImage2D(Ue.TEXTURE_2D,n,0,0,e.x,e.y,r,a),ee.unbindTexture()},this.copyTextureToTexture=function(e,t,n,i=0){const r=t.image.width,a=t.image.height,s=Ce.convert(n.format),o=Ce.convert(n.type);ie.setTexture2D(n,0),Ue.pixelStorei(Ue.UNPACK_FLIP_Y_WEBGL,n.flipY),Ue.pixelStorei(Ue.UNPACK_PREMULTIPLY_ALPHA_WEBGL,n.premultiplyAlpha),Ue.pixelStorei(Ue.UNPACK_ALIGNMENT,n.unpackAlignment),t.isDataTexture?Ue.texSubImage2D(Ue.TEXTURE_2D,i,e.x,e.y,r,a,s,o,t.image.data):t.isCompressedTexture?Ue.compressedTexSubImage2D(Ue.TEXTURE_2D,i,e.x,e.y,t.mipmaps[0].width,t.mipmaps[0].height,s,t.mipmaps[0].data):Ue.texSubImage2D(Ue.TEXTURE_2D,i,e.x,e.y,s,o,t.image),0===i&&n.generateMipmaps&&Ue.generateMipmap(Ue.TEXTURE_2D),ee.unbindTexture()},this.copyTextureToTexture3D=function(e,t,n,i,r=0){if(S.isWebGL1Renderer)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: can only be used with WebGL2.");const a=e.max.x-e.min.x+1,s=e.max.y-e.min.y+1,o=e.max.z-e.min.z+1,l=Ce.convert(i.format),c=Ce.convert(i.type);let h;if(i.isData3DTexture)ie.setTexture3D(i,0),h=Ue.TEXTURE_3D;else{if(!i.isDataArrayTexture)return void console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: only supports THREE.DataTexture3D and THREE.DataTexture2DArray.");ie.setTexture2DArray(i,0),h=Ue.TEXTURE_2D_ARRAY}Ue.pixelStorei(Ue.UNPACK_FLIP_Y_WEBGL,i.flipY),Ue.pixelStorei(Ue.UNPACK_PREMULTIPLY_ALPHA_WEBGL,i.premultiplyAlpha),Ue.pixelStorei(Ue.UNPACK_ALIGNMENT,i.unpackAlignment);const u=Ue.getParameter(Ue.UNPACK_ROW_LENGTH),d=Ue.getParameter(Ue.UNPACK_IMAGE_HEIGHT),p=Ue.getParameter(Ue.UNPACK_SKIP_PIXELS),f=Ue.getParameter(Ue.UNPACK_SKIP_ROWS),m=Ue.getParameter(Ue.UNPACK_SKIP_IMAGES),g=n.isCompressedTexture?n.mipmaps[0]:n.image;Ue.pixelStorei(Ue.UNPACK_ROW_LENGTH,g.width),Ue.pixelStorei(Ue.UNPACK_IMAGE_HEIGHT,g.height),Ue.pixelStorei(Ue.UNPACK_SKIP_PIXELS,e.min.x),Ue.pixelStorei(Ue.UNPACK_SKIP_ROWS,e.min.y),Ue.pixelStorei(Ue.UNPACK_SKIP_IMAGES,e.min.z),n.isDataTexture||n.isData3DTexture?Ue.texSubImage3D(h,r,t.x,t.y,t.z,a,s,o,l,c,g.data):n.isCompressedArrayTexture?(console.warn("THREE.WebGLRenderer.copyTextureToTexture3D: untested support for compressed srcTexture."),Ue.compressedTexSubImage3D(h,r,t.x,t.y,t.z,a,s,o,l,g.data)):Ue.texSubImage3D(h,r,t.x,t.y,t.z,a,s,o,l,c,g),Ue.pixelStorei(Ue.UNPACK_ROW_LENGTH,u),Ue.pixelStorei(Ue.UNPACK_IMAGE_HEIGHT,d),Ue.pixelStorei(Ue.UNPACK_SKIP_PIXELS,p),Ue.pixelStorei(Ue.UNPACK_SKIP_ROWS,f),Ue.pixelStorei(Ue.UNPACK_SKIP_IMAGES,m),0===r&&i.generateMipmaps&&Ue.generateMipmap(h),ee.unbindTexture()},this.initTexture=function(e){e.isCubeTexture?ie.setTextureCube(e,0):e.isData3DTexture?ie.setTexture3D(e,0):e.isDataArrayTexture||e.isCompressedArrayTexture?ie.setTexture2DArray(e,0):ie.setTexture2D(e,0),ee.unbindTexture()},this.resetState=function(){E=0,b=0,A=null,ee.reset(),Le.reset()},"undefined"!==typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}get coordinateSystem(){return qt}get physicallyCorrectLights(){return console.warn("THREE.WebGLRenderer: The property .physicallyCorrectLights has been removed. Set renderer.useLegacyLights instead."),!this.useLegacyLights}set physicallyCorrectLights(e){console.warn("THREE.WebGLRenderer: The property .physicallyCorrectLights has been removed. Set renderer.useLegacyLights instead."),this.useLegacyLights=!e}get outputEncoding(){return console.warn("THREE.WebGLRenderer: Property .outputEncoding has been removed. Use .outputColorSpace instead."),this.outputColorSpace===Pt?bt:Et}set outputEncoding(e){console.warn("THREE.WebGLRenderer: Property .outputEncoding has been removed. Use .outputColorSpace instead."),this.outputColorSpace=e===bt?Pt:Ut}get useLegacyLights(){return console.warn("THREE.WebGLRenderer: The property .useLegacyLights has been deprecated. Migrate your lighting according to the following guide: https://discourse.threejs.org/t/updates-to-lighting-in-three-js-r155/53733."),this._useLegacyLights}set useLegacyLights(e){console.warn("THREE.WebGLRenderer: The property .useLegacyLights has been deprecated. Migrate your lighting according to the following guide: https://discourse.threejs.org/t/updates-to-lighting-in-three-js-r155/53733."),this._useLegacyLights=e}}class nu extends tu{}nu.prototype.isWebGL1Renderer=!0;class iu extends er{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,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,null!==e.overrideMaterial&&(this.overrideMaterial=e.overrideMaterial.clone()),this.matrixAutoUpdate=e.matrixAutoUpdate,this}toJSON(e){const 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}}class ru{constructor(e,t){this.isInterleavedBuffer=!0,this.array=e,this.stride=t,this.count=void 0!==e?e.length/t:0,this.usage=Wt,this.updateRange={offset:0,count:-1},this.version=0,this.uuid=en()}onUploadCallback(){}set needsUpdate(e){!0===e&&this.version++}setUsage(e){return this.usage=e,this}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,n){e*=this.stride,n*=t.stride;for(let i=0,r=this.stride;i<r;i++)this.array[e+i]=t.array[n+i];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=en()),void 0===e.arrayBuffers[this.array.buffer._uuid]&&(e.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);const t=new this.array.constructor(e.arrayBuffers[this.array.buffer._uuid]),n=new this.constructor(t,this.stride);return n.setUsage(this.usage),n}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=en()),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}}}const au=new $n;class su{constructor(e,t,n,i=!1){this.isInterleavedBufferAttribute=!0,this.name="",this.data=e,this.itemSize=t,this.offset=n,this.normalized=i}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,n=this.data.count;t<n;t++)au.fromBufferAttribute(this,t),au.applyMatrix4(e),this.setXYZ(t,au.x,au.y,au.z);return this}applyNormalMatrix(e){for(let t=0,n=this.count;t<n;t++)au.fromBufferAttribute(this,t),au.applyNormalMatrix(e),this.setXYZ(t,au.x,au.y,au.z);return this}transformDirection(e){for(let t=0,n=this.count;t<n;t++)au.fromBufferAttribute(this,t),au.transformDirection(e),this.setXYZ(t,au.x,au.y,au.z);return this}setX(e,t){return this.normalized&&(t=Sn(t,this.array)),this.data.array[e*this.data.stride+this.offset]=t,this}setY(e,t){return this.normalized&&(t=Sn(t,this.array)),this.data.array[e*this.data.stride+this.offset+1]=t,this}setZ(e,t){return this.normalized&&(t=Sn(t,this.array)),this.data.array[e*this.data.stride+this.offset+2]=t,this}setW(e,t){return this.normalized&&(t=Sn(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=yn(t,this.array)),t}getY(e){let t=this.data.array[e*this.data.stride+this.offset+1];return this.normalized&&(t=yn(t,this.array)),t}getZ(e){let t=this.data.array[e*this.data.stride+this.offset+2];return this.normalized&&(t=yn(t,this.array)),t}getW(e){let t=this.data.array[e*this.data.stride+this.offset+3];return this.normalized&&(t=yn(t,this.array)),t}setXY(e,t,n){return e=e*this.data.stride+this.offset,this.normalized&&(t=Sn(t,this.array),n=Sn(n,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=n,this}setXYZ(e,t,n,i){return e=e*this.data.stride+this.offset,this.normalized&&(t=Sn(t,this.array),n=Sn(n,this.array),i=Sn(i,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=n,this.data.array[e+2]=i,this}setXYZW(e,t,n,i,r){return e=e*this.data.stride+this.offset,this.normalized&&(t=Sn(t,this.array),n=Sn(n,this.array),i=Sn(i,this.array),r=Sn(r,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=n,this.data.array[e+2]=i,this.data.array[e+3]=r,this}clone(e){if(void 0===e){console.log("THREE.InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data.");const e=[];for(let t=0;t<this.count;t++){const n=t*this.data.stride+this.offset;for(let t=0;t<this.itemSize;t++)e.push(this.data.array[n+t])}return new Er(new this.array.constructor(e),this.itemSize,this.normalized)}return void 0===e.interleavedBuffers&&(e.interleavedBuffers={}),void 0===e.interleavedBuffers[this.data.uuid]&&(e.interleavedBuffers[this.data.uuid]=this.data.clone(e)),new su(e.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)}toJSON(e){if(void 0===e){console.log("THREE.InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data.");const e=[];for(let t=0;t<this.count;t++){const n=t*this.data.stride+this.offset;for(let t=0;t<this.itemSize;t++)e.push(this.data.array[n+t])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:e,normalized:this.normalized}}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}}}const ou=new $n,lu=new qn,cu=new qn,hu=new $n,uu=new Ci,du=new $n,pu=new Mi,fu=new Ci,mu=new Ri;class gu extends $r{constructor(e,t){super(e,t),this.isSkinnedMesh=!0,this.type="SkinnedMesh",this.bindMode="attached",this.bindMatrix=new Ci,this.bindMatrixInverse=new Ci,this.boundingBox=null,this.boundingSphere=null}computeBoundingBox(){const e=this.geometry;null===this.boundingBox&&(this.boundingBox=new ni),this.boundingBox.makeEmpty();const t=e.getAttribute("position");for(let n=0;n<t.count;n++)du.fromBufferAttribute(t,n),this.applyBoneTransform(n,du),this.boundingBox.expandByPoint(du)}computeBoundingSphere(){const e=this.geometry;null===this.boundingSphere&&(this.boundingSphere=new Mi),this.boundingSphere.makeEmpty();const t=e.getAttribute("position");for(let n=0;n<t.count;n++)du.fromBufferAttribute(t,n),this.applyBoneTransform(n,du),this.boundingSphere.expandByPoint(du)}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){const n=this.material,i=this.matrixWorld;void 0!==n&&(null===this.boundingSphere&&this.computeBoundingSphere(),pu.copy(this.boundingSphere),pu.applyMatrix4(i),!1!==e.ray.intersectsSphere(pu)&&(fu.copy(i).invert(),mu.copy(e.ray).applyMatrix4(fu),null!==this.boundingBox&&!1===mu.intersectsBox(this.boundingBox)||this._computeIntersections(e,t,mu)))}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(){const e=new qn,t=this.geometry.attributes.skinWeight;for(let n=0,i=t.count;n<i;n++){e.fromBufferAttribute(t,n);const i=1/e.manhattanLength();i!==1/0?e.multiplyScalar(i):e.set(1,0,0,0),t.setXYZW(n,e.x,e.y,e.z,e.w)}}updateMatrixWorld(e){super.updateMatrixWorld(e),"attached"===this.bindMode?this.bindMatrixInverse.copy(this.matrixWorld).invert():"detached"===this.bindMode?this.bindMatrixInverse.copy(this.bindMatrix).invert():console.warn("THREE.SkinnedMesh: Unrecognized bindMode: "+this.bindMode)}applyBoneTransform(e,t){const n=this.skeleton,i=this.geometry;lu.fromBufferAttribute(i.attributes.skinIndex,e),cu.fromBufferAttribute(i.attributes.skinWeight,e),ou.copy(t).applyMatrix4(this.bindMatrix),t.set(0,0,0);for(let r=0;r<4;r++){const e=cu.getComponent(r);if(0!==e){const i=lu.getComponent(r);uu.multiplyMatrices(n.bones[i].matrixWorld,n.boneInverses[i]),t.addScaledVector(hu.copy(ou).applyMatrix4(uu),e)}}return t.applyMatrix4(this.bindMatrixInverse)}boneTransform(e,t){return console.warn("THREE.SkinnedMesh: .boneTransform() was renamed to .applyBoneTransform() in r151."),this.applyBoneTransform(e,t)}}class _u extends er{constructor(){super(),this.isBone=!0,this.type="Bone"}}class vu extends jn{constructor(e=null,t=1,n=1,i,r,a,s,o,l=he,c=he,h,u){super(null,a,s,o,l,c,i,r,h,u),this.isDataTexture=!0,this.image={data:e,width:t,height:n},this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}const xu=new Ci,Mu=new Ci;class yu{constructor(e=[],t=[]){this.uuid=en(),this.bones=e.slice(0),this.boneInverses=t,this.boneMatrices=null,this.boneTexture=null,this.boneTextureSize=0,this.init()}init(){const 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 Ci)}}calculateInverses(){this.boneInverses.length=0;for(let e=0,t=this.bones.length;e<t;e++){const t=new Ci;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++){const t=this.bones[e];t&&t.matrixWorld.copy(this.boneInverses[e]).invert()}for(let e=0,t=this.bones.length;e<t;e++){const 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(){const e=this.bones,t=this.boneInverses,n=this.boneMatrices,i=this.boneTexture;for(let r=0,a=e.length;r<a;r++){const i=e[r]?e[r].matrixWorld:Mu;xu.multiplyMatrices(i,t[r]),xu.toArray(n,16*r)}null!==i&&(i.needsUpdate=!0)}clone(){return new yu(this.bones,this.boneInverses)}computeBoneTexture(){let e=Math.sqrt(4*this.bones.length);e=vn(e),e=Math.max(e,4);const t=new Float32Array(e*e*4);t.set(this.boneMatrices);const n=new vu(t,e,e,Re,Se);return n.needsUpdate=!0,this.boneMatrices=t,this.boneTexture=n,this.boneTextureSize=e,this}getBoneByName(e){for(let t=0,n=this.bones.length;t<n;t++){const n=this.bones[t];if(n.name===e)return n}}dispose(){null!==this.boneTexture&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(e,t){this.uuid=e.uuid;for(let n=0,i=e.bones.length;n<i;n++){const i=e.bones[n];let r=t[i];void 0===r&&(console.warn("THREE.Skeleton: No bone found with UUID:",i),r=new _u),this.bones.push(r),this.boneInverses.push((new Ci).fromArray(e.boneInverses[n]))}return this.init(),this}toJSON(){const e={metadata:{version:4.6,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};e.uuid=this.uuid;const t=this.bones,n=this.boneInverses;for(let i=0,r=t.length;i<r;i++){const r=t[i];e.bones.push(r.uuid);const a=n[i];e.boneInverses.push(a.toArray())}return e}}class Su extends Er{constructor(e,t,n,i=1){super(e,t,n),this.isInstancedBufferAttribute=!0,this.meshPerAttribute=i}copy(e){return super.copy(e),this.meshPerAttribute=e.meshPerAttribute,this}toJSON(){const e=super.toJSON();return e.meshPerAttribute=this.meshPerAttribute,e.isInstancedBufferAttribute=!0,e}}const Tu=new Ci,Eu=new Ci,bu=[],Au=new ni,wu=new Ci,Ru=new $r,Cu=new Mi;class Lu extends $r{constructor(e,t,n){super(e,t),this.isInstancedMesh=!0,this.instanceMatrix=new Su(new Float32Array(16*n),16),this.instanceColor=null,this.count=n,this.boundingBox=null,this.boundingSphere=null;for(let i=0;i<n;i++)this.setMatrixAt(i,wu)}computeBoundingBox(){const e=this.geometry,t=this.count;null===this.boundingBox&&(this.boundingBox=new ni),null===e.boundingBox&&e.computeBoundingBox(),this.boundingBox.makeEmpty();for(let n=0;n<t;n++)this.getMatrixAt(n,Tu),Au.copy(e.boundingBox).applyMatrix4(Tu),this.boundingBox.union(Au)}computeBoundingSphere(){const e=this.geometry,t=this.count;null===this.boundingSphere&&(this.boundingSphere=new Mi),null===e.boundingSphere&&e.computeBoundingSphere(),this.boundingSphere.makeEmpty();for(let n=0;n<t;n++)this.getMatrixAt(n,Tu),Cu.copy(e.boundingSphere).applyMatrix4(Tu),this.boundingSphere.union(Cu)}copy(e,t){return super.copy(e,t),this.instanceMatrix.copy(e.instanceMatrix),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)}raycast(e,t){const n=this.matrixWorld,i=this.count;if(Ru.geometry=this.geometry,Ru.material=this.material,void 0!==Ru.material&&(null===this.boundingSphere&&this.computeBoundingSphere(),Cu.copy(this.boundingSphere),Cu.applyMatrix4(n),!1!==e.ray.intersectsSphere(Cu)))for(let r=0;r<i;r++){this.getMatrixAt(r,Tu),Eu.multiplyMatrices(n,Tu),Ru.matrixWorld=Eu,Ru.raycast(e,bu);for(let e=0,n=bu.length;e<n;e++){const n=bu[e];n.instanceId=r,n.object=this,t.push(n)}bu.length=0}}setColorAt(e,t){null===this.instanceColor&&(this.instanceColor=new Su(new Float32Array(3*this.instanceMatrix.count),3)),t.toArray(this.instanceColor.array,3*e)}setMatrixAt(e,t){t.toArray(this.instanceMatrix.array,16*e)}updateMorphTargets(){}dispose(){this.dispatchEvent({type:"dispose"})}}class Pu extends fr{constructor(e){super(),this.isLineBasicMaterial=!0,this.type="LineBasicMaterial",this.color=new xr(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}}const Uu=new $n,Iu=new $n,Du=new Ci,Nu=new Ri,Ou=new Mi;class Fu extends er{constructor(e=new Nr,t=new Pu){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=e.material,this.geometry=e.geometry,this}computeLineDistances(){const e=this.geometry;if(null===e.index){const t=e.attributes.position,n=[0];for(let e=1,i=t.count;e<i;e++)Uu.fromBufferAttribute(t,e-1),Iu.fromBufferAttribute(t,e),n[e]=n[e-1],n[e]+=Uu.distanceTo(Iu);e.setAttribute("lineDistance",new wr(n,1))}else console.warn("THREE.Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}raycast(e,t){const n=this.geometry,i=this.matrixWorld,r=e.params.Line.threshold,a=n.drawRange;if(null===n.boundingSphere&&n.computeBoundingSphere(),Ou.copy(n.boundingSphere),Ou.applyMatrix4(i),Ou.radius+=r,!1===e.ray.intersectsSphere(Ou))return;Du.copy(i).invert(),Nu.copy(e.ray).applyMatrix4(Du);const s=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=s*s,l=new $n,c=new $n,h=new $n,u=new $n,d=this.isLineSegments?2:1,p=n.index,f=n.attributes,m=f.position;if(null!==p){const n=Math.max(0,a.start),i=Math.min(p.count,a.start+a.count);for(let r=n,a=i-1;r<a;r+=d){const n=p.getX(r),i=p.getX(r+1);l.fromBufferAttribute(m,n),c.fromBufferAttribute(m,i);const a=Nu.distanceSqToSegment(l,c,u,h);if(a>o)continue;u.applyMatrix4(this.matrixWorld);const s=e.ray.origin.distanceTo(u);s<e.near||s>e.far||t.push({distance:s,point:h.clone().applyMatrix4(this.matrixWorld),index:r,face:null,faceIndex:null,object:this})}}else{const n=Math.max(0,a.start),i=Math.min(m.count,a.start+a.count);for(let r=n,a=i-1;r<a;r+=d){l.fromBufferAttribute(m,r),c.fromBufferAttribute(m,r+1);const n=Nu.distanceSqToSegment(l,c,u,h);if(n>o)continue;u.applyMatrix4(this.matrixWorld);const i=e.ray.origin.distanceTo(u);i<e.near||i>e.far||t.push({distance:i,point:h.clone().applyMatrix4(this.matrixWorld),index:r,face:null,faceIndex:null,object:this})}}}updateMorphTargets(){const e=this.geometry,t=e.morphAttributes,n=Object.keys(t);if(n.length>0){const e=t[n[0]];if(void 0!==e){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,n=e.length;t<n;t++){const n=e[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[n]=t}}}}}const Bu=new $n,zu=new $n;class Hu extends Fu{constructor(e,t){super(e,t),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const e=this.geometry;if(null===e.index){const t=e.attributes.position,n=[];for(let e=0,i=t.count;e<i;e+=2)Bu.fromBufferAttribute(t,e),zu.fromBufferAttribute(t,e+1),n[e]=0===e?0:n[e-1],n[e+1]=n[e]+Bu.distanceTo(zu);e.setAttribute("lineDistance",new wr(n,1))}else console.warn("THREE.LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}}class ku extends Fu{constructor(e,t){super(e,t),this.isLineLoop=!0,this.type="LineLoop"}}class Gu extends fr{constructor(e){super(),this.isPointsMaterial=!0,this.type="PointsMaterial",this.color=new xr(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}}const Vu=new Ci,Wu=new Ri,Xu=new Mi,ju=new $n;class qu extends er{constructor(e=new Nr,t=new Gu){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=e.material,this.geometry=e.geometry,this}raycast(e,t){const n=this.geometry,i=this.matrixWorld,r=e.params.Points.threshold,a=n.drawRange;if(null===n.boundingSphere&&n.computeBoundingSphere(),Xu.copy(n.boundingSphere),Xu.applyMatrix4(i),Xu.radius+=r,!1===e.ray.intersectsSphere(Xu))return;Vu.copy(i).invert(),Wu.copy(e.ray).applyMatrix4(Vu);const s=r/((this.scale.x+this.scale.y+this.scale.z)/3),o=s*s,l=n.index,c=n.attributes,h=c.position;if(null!==l){const n=Math.max(0,a.start),r=Math.min(l.count,a.start+a.count);for(let a=n,s=r;a<s;a++){const n=l.getX(a);ju.fromBufferAttribute(h,n),Yu(ju,n,o,i,e,t,this)}}else{const n=Math.max(0,a.start),r=Math.min(h.count,a.start+a.count);for(let a=n,s=r;a<s;a++)ju.fromBufferAttribute(h,a),Yu(ju,a,o,i,e,t,this)}}updateMorphTargets(){const e=this.geometry,t=e.morphAttributes,n=Object.keys(t);if(n.length>0){const e=t[n[0]];if(void 0!==e){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let t=0,n=e.length;t<n;t++){const n=e[t].name||String(t);this.morphTargetInfluences.push(0),this.morphTargetDictionary[n]=t}}}}}function Yu(e,t,n,i,r,a,s){const o=Wu.distanceSqToPoint(e);if(o<n){const n=new $n;Wu.closestPointToPoint(e,n),n.applyMatrix4(i);const l=r.ray.origin.distanceTo(n);if(l<r.near||l>r.far)return;a.push({distance:l,distanceToRay:Math.sqrt(o),point:n,index:t,face:null,object:s})}}class Ku extends fr{constructor(e){super(),this.isMeshStandardMaterial=!0,this.defines={STANDARD:""},this.type="MeshStandardMaterial",this.color=new xr(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 xr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Rt,this.normalScale=new En(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,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.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 Zu extends Ku{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 En(1,1),this.clearcoatNormalMap=null,this.ior=1.5,Object.defineProperty(this,"reflectivity",{get:function(){return tn(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 xr(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 xr(1,1,1),this.specularIntensity=1,this.specularIntensityMap=null,this.specularColor=new xr(1,1,1),this.specularColorMap=null,this._anisotropy=0,this._clearcoat=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 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.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 Ju extends fr{constructor(e){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new xr(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new xr(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Rt,this.normalScale=new En(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}}function Qu(e,t,n){return ed(e)?new e.constructor(e.subarray(t,void 0!==n?n:e.length)):e.slice(t,n)}function $u(e,t,n){return!e||!n&&e.constructor===t?e:"number"===typeof t.BYTES_PER_ELEMENT?new t(e):Array.prototype.slice.call(e)}function ed(e){return ArrayBuffer.isView(e)&&!(e instanceof DataView)}function td(e){function t(t,n){return e[t]-e[n]}const n=e.length,i=new Array(n);for(let r=0;r!==n;++r)i[r]=r;return i.sort(t),i}function nd(e,t,n){const i=e.length,r=new e.constructor(i);for(let a=0,s=0;s!==i;++a){const i=n[a]*t;for(let n=0;n!==t;++n)r[s++]=e[i+n]}return r}function id(e,t,n,i){let r=1,a=e[0];while(void 0!==a&&void 0===a[i])a=e[r++];if(void 0===a)return;let s=a[i];if(void 0!==s)if(Array.isArray(s))do{s=a[i],void 0!==s&&(t.push(a.time),n.push.apply(n,s)),a=e[r++]}while(void 0!==a);else if(void 0!==s.toArray)do{s=a[i],void 0!==s&&(t.push(a.time),s.toArray(n,n.length)),a=e[r++]}while(void 0!==a);else do{s=a[i],void 0!==s&&(t.push(a.time),n.push(s)),a=e[r++]}while(void 0!==a)}class rd{constructor(e,t,n,i){this.parameterPositions=e,this._cachedIndex=0,this.resultBuffer=void 0!==i?i:new t.constructor(n),this.sampleValues=t,this.valueSize=n,this.settings=null,this.DefaultSettings_={}}evaluate(e){const t=this.parameterPositions;let n=this._cachedIndex,i=t[n],r=t[n-1];e:{t:{let a;n:{i:if(!(e<i)){for(let a=n+2;;){if(void 0===i){if(e<r)break i;return n=t.length,this._cachedIndex=n,this.copySampleValue_(n-1)}if(n===a)break;if(r=i,i=t[++n],e<i)break t}a=t.length;break n}if(e>=r)break e;{const s=t[1];e<s&&(n=2,r=s);for(let a=n-2;;){if(void 0===r)return this._cachedIndex=0,this.copySampleValue_(0);if(n===a)break;if(i=r,r=t[--n-1],e>=r)break t}a=n,n=0}}while(n<a){const i=n+a>>>1;e<t[i]?a=i:n=i+1}if(i=t[n],r=t[n-1],void 0===r)return this._cachedIndex=0,this.copySampleValue_(0);if(void 0===i)return n=t.length,this._cachedIndex=n,this.copySampleValue_(n-1)}this._cachedIndex=n,this.intervalChanged_(n,r,i)}return this.interpolate_(n,r,e,i)}getSettings_(){return this.settings||this.DefaultSettings_}copySampleValue_(e){const t=this.resultBuffer,n=this.sampleValues,i=this.valueSize,r=e*i;for(let a=0;a!==i;++a)t[a]=n[r+a];return t}interpolate_(){throw new Error("call to abstract method")}intervalChanged_(){}}class ad extends rd{constructor(e,t,n,i){super(e,t,n,i),this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0,this.DefaultSettings_={endingStart:_t,endingEnd:_t}}intervalChanged_(e,t,n){const i=this.parameterPositions;let r=e-2,a=e+1,s=i[r],o=i[a];if(void 0===s)switch(this.getSettings_().endingStart){case vt:r=e,s=2*t-n;break;case xt:r=i.length-2,s=t+i[r]-i[r+1];break;default:r=e,s=n}if(void 0===o)switch(this.getSettings_().endingEnd){case vt:a=e,o=2*n-t;break;case xt:a=1,o=n+i[1]-i[0];break;default:a=e-1,o=t}const l=.5*(n-t),c=this.valueSize;this._weightPrev=l/(t-s),this._weightNext=l/(o-n),this._offsetPrev=r*c,this._offsetNext=a*c}interpolate_(e,t,n,i){const r=this.resultBuffer,a=this.sampleValues,s=this.valueSize,o=e*s,l=o-s,c=this._offsetPrev,h=this._offsetNext,u=this._weightPrev,d=this._weightNext,p=(n-t)/(i-t),f=p*p,m=f*p,g=-u*m+2*u*f-u*p,_=(1+u)*m+(-1.5-2*u)*f+(-.5+u)*p+1,v=(-1-d)*m+(1.5+d)*f+.5*p,x=d*m-d*f;for(let M=0;M!==s;++M)r[M]=g*a[c+M]+_*a[l+M]+v*a[o+M]+x*a[h+M];return r}}class sd extends rd{constructor(e,t,n,i){super(e,t,n,i)}interpolate_(e,t,n,i){const r=this.resultBuffer,a=this.sampleValues,s=this.valueSize,o=e*s,l=o-s,c=(n-t)/(i-t),h=1-c;for(let u=0;u!==s;++u)r[u]=a[l+u]*h+a[o+u]*c;return r}}class od extends rd{constructor(e,t,n,i){super(e,t,n,i)}interpolate_(e){return this.copySampleValue_(e-1)}}class ld{constructor(e,t,n,i){if(void 0===e)throw new Error("THREE.KeyframeTrack: track name is undefined");if(void 0===t||0===t.length)throw new Error("THREE.KeyframeTrack: no keyframes in track named "+e);this.name=e,this.times=$u(t,this.TimeBufferType),this.values=$u(n,this.ValueBufferType),this.setInterpolation(i||this.DefaultInterpolation)}static toJSON(e){const t=e.constructor;let n;if(t.toJSON!==this.toJSON)n=t.toJSON(e);else{n={name:e.name,times:$u(e.times,Array),values:$u(e.values,Array)};const t=e.getInterpolation();t!==e.DefaultInterpolation&&(n.interpolation=t)}return n.type=e.ValueTypeName,n}InterpolantFactoryMethodDiscrete(e){return new od(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodLinear(e){return new sd(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodSmooth(e){return new ad(this.times,this.values,this.getValueSize(),e)}setInterpolation(e){let t;switch(e){case ft:t=this.InterpolantFactoryMethodDiscrete;break;case mt:t=this.InterpolantFactoryMethodLinear;break;case gt:t=this.InterpolantFactoryMethodSmooth;break}if(void 0===t){const t="unsupported interpolation for "+this.ValueTypeName+" keyframe track named "+this.name;if(void 0===this.createInterpolant){if(e===this.DefaultInterpolation)throw new Error(t);this.setInterpolation(this.DefaultInterpolation)}return console.warn("THREE.KeyframeTrack:",t),this}return this.createInterpolant=t,this}getInterpolation(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return ft;case this.InterpolantFactoryMethodLinear:return mt;case this.InterpolantFactoryMethodSmooth:return gt}}getValueSize(){return this.values.length/this.times.length}shift(e){if(0!==e){const t=this.times;for(let n=0,i=t.length;n!==i;++n)t[n]+=e}return this}scale(e){if(1!==e){const t=this.times;for(let n=0,i=t.length;n!==i;++n)t[n]*=e}return this}trim(e,t){const n=this.times,i=n.length;let r=0,a=i-1;while(r!==i&&n[r]<e)++r;while(-1!==a&&n[a]>t)--a;if(++a,0!==r||a!==i){r>=a&&(a=Math.max(a,1),r=a-1);const e=this.getValueSize();this.times=Qu(n,r,a),this.values=Qu(this.values,r*e,a*e)}return this}validate(){let e=!0;const t=this.getValueSize();t-Math.floor(t)!==0&&(console.error("THREE.KeyframeTrack: Invalid value size in track.",this),e=!1);const n=this.times,i=this.values,r=n.length;0===r&&(console.error("THREE.KeyframeTrack: Track is empty.",this),e=!1);let a=null;for(let s=0;s!==r;s++){const t=n[s];if("number"===typeof t&&isNaN(t)){console.error("THREE.KeyframeTrack: Time is not a valid number.",this,s,t),e=!1;break}if(null!==a&&a>t){console.error("THREE.KeyframeTrack: Out of order keys.",this,s,t,a),e=!1;break}a=t}if(void 0!==i&&ed(i))for(let s=0,o=i.length;s!==o;++s){const t=i[s];if(isNaN(t)){console.error("THREE.KeyframeTrack: Value is not a valid number.",this,s,t),e=!1;break}}return e}optimize(){const e=Qu(this.times),t=Qu(this.values),n=this.getValueSize(),i=this.getInterpolation()===gt,r=e.length-1;let a=1;for(let s=1;s<r;++s){let r=!1;const o=e[s],l=e[s+1];if(o!==l&&(1!==s||o!==e[0]))if(i)r=!0;else{const e=s*n,i=e-n,a=e+n;for(let s=0;s!==n;++s){const n=t[e+s];if(n!==t[i+s]||n!==t[a+s]){r=!0;break}}}if(r){if(s!==a){e[a]=e[s];const i=s*n,r=a*n;for(let e=0;e!==n;++e)t[r+e]=t[i+e]}++a}}if(r>0){e[a]=e[r];for(let e=r*n,i=a*n,s=0;s!==n;++s)t[i+s]=t[e+s];++a}return a!==e.length?(this.times=Qu(e,0,a),this.values=Qu(t,0,a*n)):(this.times=e,this.values=t),this}clone(){const e=Qu(this.times,0),t=Qu(this.values,0),n=this.constructor,i=new n(this.name,e,t);return i.createInterpolant=this.createInterpolant,i}}ld.prototype.TimeBufferType=Float32Array,ld.prototype.ValueBufferType=Float32Array,ld.prototype.DefaultInterpolation=mt;class cd extends ld{}cd.prototype.ValueTypeName="bool",cd.prototype.ValueBufferType=Array,cd.prototype.DefaultInterpolation=ft,cd.prototype.InterpolantFactoryMethodLinear=void 0,cd.prototype.InterpolantFactoryMethodSmooth=void 0;class hd extends ld{}hd.prototype.ValueTypeName="color";class ud extends ld{}ud.prototype.ValueTypeName="number";class dd extends rd{constructor(e,t,n,i){super(e,t,n,i)}interpolate_(e,t,n,i){const r=this.resultBuffer,a=this.sampleValues,s=this.valueSize,o=(n-t)/(i-t);let l=e*s;for(let c=l+s;l!==c;l+=4)Qn.slerpFlat(r,0,a,l-s,a,l,o);return r}}class pd extends ld{InterpolantFactoryMethodLinear(e){return new dd(this.times,this.values,this.getValueSize(),e)}}pd.prototype.ValueTypeName="quaternion",pd.prototype.DefaultInterpolation=mt,pd.prototype.InterpolantFactoryMethodSmooth=void 0;class fd extends ld{}fd.prototype.ValueTypeName="string",fd.prototype.ValueBufferType=Array,fd.prototype.DefaultInterpolation=ft,fd.prototype.InterpolantFactoryMethodLinear=void 0,fd.prototype.InterpolantFactoryMethodSmooth=void 0;class md extends ld{}md.prototype.ValueTypeName="vector";class gd{constructor(e,t=-1,n,i=Mt){this.name=e,this.tracks=n,this.duration=t,this.blendMode=i,this.uuid=en(),this.duration<0&&this.resetDuration()}static parse(e){const t=[],n=e.tracks,i=1/(e.fps||1);for(let a=0,s=n.length;a!==s;++a)t.push(vd(n[a]).scale(i));const r=new this(e.name,e.duration,t,e.blendMode);return r.uuid=e.uuid,r}static toJSON(e){const t=[],n=e.tracks,i={name:e.name,duration:e.duration,tracks:t,uuid:e.uuid,blendMode:e.blendMode};for(let r=0,a=n.length;r!==a;++r)t.push(ld.toJSON(n[r]));return i}static CreateFromMorphTargetSequence(e,t,n,i){const r=t.length,a=[];for(let s=0;s<r;s++){let e=[],o=[];e.push((s+r-1)%r,s,(s+1)%r),o.push(0,1,0);const l=td(e);e=nd(e,1,l),o=nd(o,1,l),i||0!==e[0]||(e.push(r),o.push(o[0])),a.push(new ud(".morphTargetInfluences["+t[s].name+"]",e,o).scale(1/n))}return new this(e,-1,a)}static findByName(e,t){let n=e;if(!Array.isArray(e)){const t=e;n=t.geometry&&t.geometry.animations||t.animations}for(let i=0;i<n.length;i++)if(n[i].name===t)return n[i];return null}static CreateClipsFromMorphTargetSequences(e,t,n){const i={},r=/^([\w-]*?)([\d]+)$/;for(let s=0,o=e.length;s<o;s++){const t=e[s],n=t.name.match(r);if(n&&n.length>1){const e=n[1];let r=i[e];r||(i[e]=r=[]),r.push(t)}}const a=[];for(const s in i)a.push(this.CreateFromMorphTargetSequence(s,i[s],t,n));return a}static parseAnimation(e,t){if(!e)return console.error("THREE.AnimationClip: No animation in JSONLoader data."),null;const n=function(e,t,n,i,r){if(0!==n.length){const a=[],s=[];id(n,a,s,i),0!==a.length&&r.push(new e(t,a,s))}},i=[],r=e.name||"default",a=e.fps||30,s=e.blendMode;let o=e.length||-1;const l=e.hierarchy||[];for(let h=0;h<l.length;h++){const e=l[h].keys;if(e&&0!==e.length)if(e[0].morphTargets){const t={};let n;for(n=0;n<e.length;n++)if(e[n].morphTargets)for(let i=0;i<e[n].morphTargets.length;i++)t[e[n].morphTargets[i]]=-1;for(const r in t){const t=[],a=[];for(let i=0;i!==e[n].morphTargets.length;++i){const i=e[n];t.push(i.time),a.push(i.morphTarget===r?1:0)}i.push(new ud(".morphTargetInfluence["+r+"]",t,a))}o=t.length*a}else{const r=".bones["+t[h].name+"]";n(md,r+".position",e,"pos",i),n(pd,r+".quaternion",e,"rot",i),n(md,r+".scale",e,"scl",i)}}if(0===i.length)return null;const c=new this(r,o,i,s);return c}resetDuration(){const e=this.tracks;let t=0;for(let n=0,i=e.length;n!==i;++n){const e=this.tracks[n];t=Math.max(t,e.times[e.times.length-1])}return this.duration=t,this}trim(){for(let e=0;e<this.tracks.length;e++)this.tracks[e].trim(0,this.duration);return this}validate(){let e=!0;for(let t=0;t<this.tracks.length;t++)e=e&&this.tracks[t].validate();return e}optimize(){for(let e=0;e<this.tracks.length;e++)this.tracks[e].optimize();return this}clone(){const e=[];for(let t=0;t<this.tracks.length;t++)e.push(this.tracks[t].clone());return new this.constructor(this.name,this.duration,e,this.blendMode)}toJSON(){return this.constructor.toJSON(this)}}function _d(e){switch(e.toLowerCase()){case"scalar":case"double":case"float":case"number":case"integer":return ud;case"vector":case"vector2":case"vector3":case"vector4":return md;case"color":return hd;case"quaternion":return pd;case"bool":case"boolean":return cd;case"string":return fd}throw new Error("THREE.KeyframeTrack: Unsupported typeName: "+e)}function vd(e){if(void 0===e.type)throw new Error("THREE.KeyframeTrack: track type undefined, can not parse");const t=_d(e.type);if(void 0===e.times){const t=[],n=[];id(e.keys,t,n,"value"),e.times=t,e.values=n}return void 0!==t.parse?t.parse(e):new t(e.name,e.times,e.values,e.interpolation)}const xd={enabled:!1,files:{},add:function(e,t){!1!==this.enabled&&(this.files[e]=t)},get:function(e){if(!1!==this.enabled)return this.files[e]},remove:function(e){delete this.files[e]},clear:function(){this.files={}}};class Md{constructor(e,t,n){const i=this;let r,a=!1,s=0,o=0;const l=[];this.onStart=void 0,this.onLoad=e,this.onProgress=t,this.onError=n,this.itemStart=function(e){o++,!1===a&&void 0!==i.onStart&&i.onStart(e,s,o),a=!0},this.itemEnd=function(e){s++,void 0!==i.onProgress&&i.onProgress(e,s,o),s===o&&(a=!1,void 0!==i.onLoad&&i.onLoad())},this.itemError=function(e){void 0!==i.onError&&i.onError(e)},this.resolveURL=function(e){return r?r(e):e},this.setURLModifier=function(e){return r=e,this},this.addHandler=function(e,t){return l.push(e,t),this},this.removeHandler=function(e){const t=l.indexOf(e);return-1!==t&&l.splice(t,2),this},this.getHandler=function(e){for(let t=0,n=l.length;t<n;t+=2){const n=l[t],i=l[t+1];if(n.global&&(n.lastIndex=0),n.test(e))return i}return null}}}const yd=new Md;class Sd{constructor(e){this.manager=void 0!==e?e:yd,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={}}load(){}loadAsync(e,t){const n=this;return new Promise((function(i,r){n.load(e,i,t,r)}))}parse(){}setCrossOrigin(e){return this.crossOrigin=e,this}setWithCredentials(e){return this.withCredentials=e,this}setPath(e){return this.path=e,this}setResourcePath(e){return this.resourcePath=e,this}setRequestHeader(e){return this.requestHeader=e,this}}Sd.DEFAULT_MATERIAL_NAME="__DEFAULT";const Td={};class Ed extends Error{constructor(e,t){super(e),this.response=t}}class bd extends Sd{constructor(e){super(e)}load(e,t,n,i){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const r=xd.get(e);if(void 0!==r)return this.manager.itemStart(e),setTimeout((()=>{t&&t(r),this.manager.itemEnd(e)}),0),r;if(void 0!==Td[e])return void Td[e].push({onLoad:t,onProgress:n,onError:i});Td[e]=[],Td[e].push({onLoad:t,onProgress:n,onError:i});const a=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin"}),s=this.mimeType,o=this.responseType;fetch(a).then((t=>{if(200===t.status||0===t.status){if(0===t.status&&console.warn("THREE.FileLoader: HTTP Status 0 received."),"undefined"===typeof ReadableStream||void 0===t.body||void 0===t.body.getReader)return t;const n=Td[e],i=t.body.getReader(),r=t.headers.get("Content-Length")||t.headers.get("X-File-Size"),a=r?parseInt(r):0,s=0!==a;let o=0;const l=new ReadableStream({start(e){function t(){i.read().then((({done:i,value:r})=>{if(i)e.close();else{o+=r.byteLength;const i=new ProgressEvent("progress",{lengthComputable:s,loaded:o,total:a});for(let e=0,t=n.length;e<t;e++){const t=n[e];t.onProgress&&t.onProgress(i)}e.enqueue(r),t()}}))}t()}});return new Response(l)}throw new Ed(`fetch for "${t.url}" responded with ${t.status}: ${t.statusText}`,t)})).then((e=>{switch(o){case"arraybuffer":return e.arrayBuffer();case"blob":return e.blob();case"document":return e.text().then((e=>{const t=new DOMParser;return t.parseFromString(e,s)}));case"json":return e.json();default:if(void 0===s)return e.text();{const t=/charset="?([^;"\s]*)"?/i,n=t.exec(s),i=n&&n[1]?n[1].toLowerCase():void 0,r=new TextDecoder(i);return e.arrayBuffer().then((e=>r.decode(e)))}}})).then((t=>{xd.add(e,t);const n=Td[e];delete Td[e];for(let e=0,i=n.length;e<i;e++){const i=n[e];i.onLoad&&i.onLoad(t)}})).catch((t=>{const n=Td[e];if(void 0===n)throw this.manager.itemError(e),t;delete Td[e];for(let e=0,i=n.length;e<i;e++){const i=n[e];i.onError&&i.onError(t)}this.manager.itemError(e)})).finally((()=>{this.manager.itemEnd(e)})),this.manager.itemStart(e)}setResponseType(e){return this.responseType=e,this}setMimeType(e){return this.mimeType=e,this}}class Ad extends Sd{constructor(e){super(e)}load(e,t,n,i){void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const r=this,a=xd.get(e);if(void 0!==a)return r.manager.itemStart(e),setTimeout((function(){t&&t(a),r.manager.itemEnd(e)}),0),a;const s=Rn("img");function o(){c(),xd.add(e,this),t&&t(this),r.manager.itemEnd(e)}function l(t){c(),i&&i(t),r.manager.itemError(e),r.manager.itemEnd(e)}function c(){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 wd extends Sd{constructor(e){super(e)}load(e,t,n,i){const r=new jn,a=new Ad(this.manager);return a.setCrossOrigin(this.crossOrigin),a.setPath(this.path),a.load(e,(function(e){r.image=e,r.needsUpdate=!0,void 0!==t&&t(r)}),n,i),r}}class Rd extends er{constructor(e,t=1){super(),this.isLight=!0,this.type="Light",this.color=new xr(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){const 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}}const Cd=new Ci,Ld=new $n,Pd=new $n;class Ud{constructor(e){this.camera=e,this.bias=0,this.normalBias=0,this.radius=1,this.blurSamples=8,this.mapSize=new En(512,512),this.map=null,this.mapPass=null,this.matrix=new Ci,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new Ea,this._frameExtents=new En(1,1),this._viewportCount=1,this._viewports=[new qn(0,0,1,1)]}getViewportCount(){return this._viewportCount}getFrustum(){return this._frustum}updateMatrices(e){const t=this.camera,n=this.matrix;Ld.setFromMatrixPosition(e.matrixWorld),t.position.copy(Ld),Pd.setFromMatrixPosition(e.target.matrixWorld),t.lookAt(Pd),t.updateMatrixWorld(),Cd.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),this._frustum.setFromProjectionMatrix(Cd),n.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),n.multiply(Cd)}getViewport(e){return this._viewports[e]}getFrameExtents(){return this._frameExtents}dispose(){this.map&&this.map.dispose(),this.mapPass&&this.mapPass.dispose()}copy(e){return this.camera=e.camera.clone(),this.bias=e.bias,this.radius=e.radius,this.mapSize.copy(e.mapSize),this}clone(){return(new this.constructor).copy(this)}toJSON(){const e={};return 0!==this.bias&&(e.bias=this.bias),0!==this.normalBias&&(e.normalBias=this.normalBias),1!==this.radius&&(e.radius=this.radius),512===this.mapSize.x&&512===this.mapSize.y||(e.mapSize=this.mapSize.toArray()),e.camera=this.camera.toJSON(!1).object,delete e.camera.matrix,e}}class Id extends Ud{constructor(){super(new da(50,1,.5,500)),this.isSpotLightShadow=!0,this.focus=1}updateMatrices(e){const t=this.camera,n=2*$t*e.angle*this.focus,i=this.mapSize.width/this.mapSize.height,r=e.distance||t.far;n===t.fov&&i===t.aspect&&r===t.far||(t.fov=n,t.aspect=i,t.far=r,t.updateProjectionMatrix()),super.updateMatrices(e)}copy(e){return super.copy(e),this.focus=e.focus,this}}class Dd extends Rd{constructor(e,t,n=0,i=Math.PI/3,r=0,a=2){super(e,t),this.isSpotLight=!0,this.type="SpotLight",this.position.copy(er.DEFAULT_UP),this.updateMatrix(),this.target=new er,this.distance=n,this.angle=i,this.penumbra=r,this.decay=a,this.map=null,this.shadow=new Id}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}}const Nd=new Ci,Od=new $n,Fd=new $n;class Bd extends Ud{constructor(){super(new da(90,1,.5,500)),this.isPointLightShadow=!0,this._frameExtents=new En(4,2),this._viewportCount=6,this._viewports=[new qn(2,1,1,1),new qn(0,1,1,1),new qn(3,1,1,1),new qn(1,1,1,1),new qn(3,0,1,1),new qn(1,0,1,1)],this._cubeDirections=[new $n(1,0,0),new $n(-1,0,0),new $n(0,0,1),new $n(0,0,-1),new $n(0,1,0),new $n(0,-1,0)],this._cubeUps=[new $n(0,1,0),new $n(0,1,0),new $n(0,1,0),new $n(0,1,0),new $n(0,0,1),new $n(0,0,-1)]}updateMatrices(e,t=0){const n=this.camera,i=this.matrix,r=e.distance||n.far;r!==n.far&&(n.far=r,n.updateProjectionMatrix()),Od.setFromMatrixPosition(e.matrixWorld),n.position.copy(Od),Fd.copy(n.position),Fd.add(this._cubeDirections[t]),n.up.copy(this._cubeUps[t]),n.lookAt(Fd),n.updateMatrixWorld(),i.makeTranslation(-Od.x,-Od.y,-Od.z),Nd.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse),this._frustum.setFromProjectionMatrix(Nd)}}class zd extends Rd{constructor(e,t,n=0,i=2){super(e,t),this.isPointLight=!0,this.type="PointLight",this.distance=n,this.decay=i,this.shadow=new Bd}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 Hd extends Ud{constructor(){super(new gl(-5,5,5,-5,.5,500)),this.isDirectionalLightShadow=!0}}class kd extends Rd{constructor(e,t){super(e,t),this.isDirectionalLight=!0,this.type="DirectionalLight",this.position.copy(er.DEFAULT_UP),this.updateMatrix(),this.target=new er,this.shadow=new Hd}dispose(){this.shadow.dispose()}copy(e){return super.copy(e),this.target=e.target.clone(),this.shadow=e.shadow.clone(),this}}class Gd{static decodeText(e){if("undefined"!==typeof TextDecoder)return(new TextDecoder).decode(e);let t="";for(let i=0,r=e.length;i<r;i++)t+=String.fromCharCode(e[i]);try{return decodeURIComponent(escape(t))}catch(n){return t}}static extractUrlBase(e){const 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 Vd extends Sd{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,n,i){void 0===e&&(e=""),void 0!==this.path&&(e=this.path+e),e=this.manager.resolveURL(e);const r=this,a=xd.get(e);if(void 0!==a)return r.manager.itemStart(e),setTimeout((function(){t&&t(a),r.manager.itemEnd(e)}),0),a;const s={};s.credentials="anonymous"===this.crossOrigin?"same-origin":"include",s.headers=this.requestHeader,fetch(e,s).then((function(e){return e.blob()})).then((function(e){return createImageBitmap(e,Object.assign(r.options,{colorSpaceConversion:"none"}))})).then((function(n){xd.add(e,n),t&&t(n),r.manager.itemEnd(e)})).catch((function(t){i&&i(t),r.manager.itemError(e),r.manager.itemEnd(e)})),r.manager.itemStart(e)}}class Wd{constructor(e=!0){this.autoStart=e,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1}start(){this.startTime=Xd(),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){const t=Xd();e=(t-this.oldTime)/1e3,this.oldTime=t,this.elapsedTime+=e}return e}}function Xd(){return("undefined"===typeof performance?Date:performance).now()}const jd="\\[\\]\\.:\\/",qd=new RegExp("["+jd+"]","g"),Yd="[^"+jd+"]",Kd="[^"+jd.replace("\\.","")+"]",Zd=/((?:WC+[\/:])*)/.source.replace("WC",Yd),Jd=/(WCOD+)?/.source.replace("WCOD",Kd),Qd=/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",Yd),$d=/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",Yd),ep=new RegExp("^"+Zd+Jd+Qd+$d+"$"),tp=["material","materials","bones","map"];class np{constructor(e,t,n){const i=n||ip.parseTrackName(t);this._targetGroup=e,this._bindings=e.subscribe_(t,i)}getValue(e,t){this.bind();const n=this._targetGroup.nCachedObjects_,i=this._bindings[n];void 0!==i&&i.getValue(e,t)}setValue(e,t){const n=this._bindings;for(let i=this._targetGroup.nCachedObjects_,r=n.length;i!==r;++i)n[i].setValue(e,t)}bind(){const e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].bind()}unbind(){const e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].unbind()}}class ip{constructor(e,t,n){this.path=t,this.parsedPath=n||ip.parseTrackName(t),this.node=ip.findNode(e,this.parsedPath.nodeName),this.rootNode=e,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(e,t,n){return e&&e.isAnimationObjectGroup?new ip.Composite(e,t,n):new ip(e,t,n)}static sanitizeNodeName(e){return e.replace(/\s/g,"_").replace(qd,"")}static parseTrackName(e){const t=ep.exec(e);if(null===t)throw new Error("PropertyBinding: Cannot parse trackName: "+e);const n={nodeName:t[2],objectName:t[3],objectIndex:t[4],propertyName:t[5],propertyIndex:t[6]},i=n.nodeName&&n.nodeName.lastIndexOf(".");if(void 0!==i&&-1!==i){const e=n.nodeName.substring(i+1);-1!==tp.indexOf(e)&&(n.nodeName=n.nodeName.substring(0,i),n.objectName=e)}if(null===n.propertyName||0===n.propertyName.length)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+e);return n}static findNode(e,t){if(void 0===t||""===t||"."===t||-1===t||t===e.name||t===e.uuid)return e;if(e.skeleton){const n=e.skeleton.getBoneByName(t);if(void 0!==n)return n}if(e.children){const n=function(e){for(let i=0;i<e.length;i++){const r=e[i];if(r.name===t||r.uuid===t)return r;const a=n(r.children);if(a)return a}return null},i=n(e.children);if(i)return i}return null}_getValue_unavailable(){}_setValue_unavailable(){}_getValue_direct(e,t){e[t]=this.targetObject[this.propertyName]}_getValue_array(e,t){const n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)e[t++]=n[i]}_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){const n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[i]=e[t++]}_setValue_array_setNeedsUpdate(e,t){const n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[i]=e[t++];this.targetObject.needsUpdate=!0}_setValue_array_setMatrixWorldNeedsUpdate(e,t){const n=this.resolvedProperty;for(let i=0,r=n.length;i!==r;++i)n[i]=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;const t=this.parsedPath,n=t.objectName,i=t.propertyName;let r=t.propertyIndex;if(e||(e=ip.findNode(this.rootNode,t.nodeName),this.node=e),this.getValue=this._getValue_unavailable,this.setValue=this._setValue_unavailable,!e)return void console.warn("THREE.PropertyBinding: No target node found for track: "+this.path+".");if(n){let i=t.objectIndex;switch(n){case"materials":if(!e.material)return void console.error("THREE.PropertyBinding: Can not bind to material as node does not have a material.",this);if(!e.material.materials)return void console.error("THREE.PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.",this);e=e.material.materials;break;case"bones":if(!e.skeleton)return void console.error("THREE.PropertyBinding: Can not bind to bones as node does not have a skeleton.",this);e=e.skeleton.bones;for(let t=0;t<e.length;t++)if(e[t].name===i){i=t;break}break;case"map":if("map"in e){e=e.map;break}if(!e.material)return void console.error("THREE.PropertyBinding: Can not bind to material as node does not have a material.",this);if(!e.material.map)return void console.error("THREE.PropertyBinding: Can not bind to material.map as node.material does not have a map.",this);e=e.material.map;break;default:if(void 0===e[n])return void console.error("THREE.PropertyBinding: Can not bind to objectName of node undefined.",this);e=e[n]}if(void 0!==i){if(void 0===e[i])return void console.error("THREE.PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.",this,e);e=e[i]}}const a=e[i];if(void 0===a){const n=t.nodeName;return void console.error("THREE.PropertyBinding: Trying to update property for track: "+n+"."+i+" but it wasn't found.",e)}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"===i){if(!e.geometry)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.",this);if(!e.geometry.morphAttributes)return void console.error("THREE.PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.",this);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=i;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}}ip.Composite=np,ip.prototype.BindingType={Direct:0,EntireArray:1,ArrayElement:2,HasFromToArray:3},ip.prototype.Versioning={None:0,NeedsUpdate:1,MatrixWorldNeedsUpdate:2},ip.prototype.GetterByBindingType=[ip.prototype._getValue_direct,ip.prototype._getValue_array,ip.prototype._getValue_arrayElement,ip.prototype._getValue_toArray],ip.prototype.SetterByBindingTypeAndVersioning=[[ip.prototype._setValue_direct,ip.prototype._setValue_direct_setNeedsUpdate,ip.prototype._setValue_direct_setMatrixWorldNeedsUpdate],[ip.prototype._setValue_array,ip.prototype._setValue_array_setNeedsUpdate,ip.prototype._setValue_array_setMatrixWorldNeedsUpdate],[ip.prototype._setValue_arrayElement,ip.prototype._setValue_arrayElement_setNeedsUpdate,ip.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate],[ip.prototype._setValue_fromArray,ip.prototype._setValue_fromArray_setNeedsUpdate,ip.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate]];new Float32Array(1);"undefined"!==typeof __THREE_DEVTOOLS__&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:s}})),"undefined"!==typeof window&&(window.__THREE__?console.warn("WARNING: Multiple instances of Three.js being imported."):window.__THREE__=s);n(6229),n(7330),n(2062);function rp(e,t){if(t===yt)return console.warn("THREE.BufferGeometryUtils.toTrianglesDrawMode(): Geometry already defined as triangles."),e;if(t===Tt||t===St){let n=e.getIndex();if(null===n){const t=[],i=e.getAttribute("position");if(void 0===i)return console.error("THREE.BufferGeometryUtils.toTrianglesDrawMode(): Undefined position attribute. Processing not possible."),e;for(let e=0;e<i.count;e++)t.push(e);e.setIndex(t),n=e.getIndex()}const i=n.count-2,r=[];if(t===Tt)for(let e=1;e<=i;e++)r.push(n.getX(0)),r.push(n.getX(e)),r.push(n.getX(e+1));else for(let e=0;e<i;e++)e%2===0?(r.push(n.getX(e)),r.push(n.getX(e+1)),r.push(n.getX(e+2))):(r.push(n.getX(e+2)),r.push(n.getX(e+1)),r.push(n.getX(e)));r.length/3!==i&&console.error("THREE.BufferGeometryUtils.toTrianglesDrawMode(): Unable to generate correct amount of triangles.");const a=e.clone();return a.setIndex(r),a.clearGroups(),a}return console.error("THREE.BufferGeometryUtils.toTrianglesDrawMode(): Unknown draw mode:",t),e}class ap extends Sd{constructor(e){super(e),this.dracoLoader=null,this.ktx2Loader=null,this.meshoptDecoder=null,this.pluginCallbacks=[],this.register((function(e){return new up(e)})),this.register((function(e){return new xp(e)})),this.register((function(e){return new Mp(e)})),this.register((function(e){return new yp(e)})),this.register((function(e){return new pp(e)})),this.register((function(e){return new fp(e)})),this.register((function(e){return new mp(e)})),this.register((function(e){return new gp(e)})),this.register((function(e){return new hp(e)})),this.register((function(e){return new _p(e)})),this.register((function(e){return new dp(e)})),this.register((function(e){return new vp(e)})),this.register((function(e){return new lp(e)})),this.register((function(e){return new Sp(e)})),this.register((function(e){return new Tp(e)}))}load(e,t,n,i){const r=this;let a;a=""!==this.resourcePath?this.resourcePath:""!==this.path?this.path:Gd.extractUrlBase(e),this.manager.itemStart(e);const s=function(t){i?i(t):console.error(t),r.manager.itemError(e),r.manager.itemEnd(e)},o=new bd(this.manager);o.setPath(this.path),o.setResponseType("arraybuffer"),o.setRequestHeader(this.requestHeader),o.setWithCredentials(this.withCredentials),o.load(e,(function(n){try{r.parse(n,a,(function(n){t(n),r.manager.itemEnd(e)}),s)}catch(i){s(i)}}),n,s)}setDRACOLoader(e){return this.dracoLoader=e,this}setDDSLoader(){throw new Error('THREE.GLTFLoader: "MSFT_texture_dds" no longer supported. Please update to "KHR_texture_basisu".')}setKTX2Loader(e){return this.ktx2Loader=e,this}setMeshoptDecoder(e){return this.meshoptDecoder=e,this}register(e){return-1===this.pluginCallbacks.indexOf(e)&&this.pluginCallbacks.push(e),this}unregister(e){return-1!==this.pluginCallbacks.indexOf(e)&&this.pluginCallbacks.splice(this.pluginCallbacks.indexOf(e),1),this}parse(e,t,n,i){let r;const a={},s={},o=new TextDecoder;if("string"===typeof e)r=JSON.parse(e);else if(e instanceof ArrayBuffer){const t=o.decode(new Uint8Array(e,0,4));if(t===Ep){try{a[op.KHR_BINARY_GLTF]=new wp(e)}catch(c){return void(i&&i(c))}r=JSON.parse(a[op.KHR_BINARY_GLTF].content)}else r=JSON.parse(o.decode(e))}else r=e;if(void 0===r.asset||r.asset.version[0]<2)return void(i&&i(new Error("THREE.GLTFLoader: Unsupported asset. glTF versions >=2.0 are supported.")));const l=new $p(r,{path:t||this.resourcePath||"",crossOrigin:this.crossOrigin,requestHeader:this.requestHeader,manager:this.manager,ktx2Loader:this.ktx2Loader,meshoptDecoder:this.meshoptDecoder});l.fileLoader.setRequestHeader(this.requestHeader);for(let h=0;h<this.pluginCallbacks.length;h++){const e=this.pluginCallbacks[h](l);s[e.name]=e,a[e.name]=!0}if(r.extensionsUsed)for(let h=0;h<r.extensionsUsed.length;++h){const e=r.extensionsUsed[h],t=r.extensionsRequired||[];switch(e){case op.KHR_MATERIALS_UNLIT:a[e]=new cp;break;case op.KHR_DRACO_MESH_COMPRESSION:a[e]=new Rp(r,this.dracoLoader);break;case op.KHR_TEXTURE_TRANSFORM:a[e]=new Cp;break;case op.KHR_MESH_QUANTIZATION:a[e]=new Lp;break;default:t.indexOf(e)>=0&&void 0===s[e]&&console.warn('THREE.GLTFLoader: Unknown extension "'+e+'".')}}l.setExtensions(a),l.setPlugins(s),l.parse(n,i)}parseAsync(e,t){const n=this;return new Promise((function(i,r){n.parse(e,t,i,r)}))}}function sp(){let e={};return{get:function(t){return e[t]},add:function(t,n){e[t]=n},remove:function(t){delete e[t]},removeAll:function(){e={}}}}const op={KHR_BINARY_GLTF:"KHR_binary_glTF",KHR_DRACO_MESH_COMPRESSION:"KHR_draco_mesh_compression",KHR_LIGHTS_PUNCTUAL:"KHR_lights_punctual",KHR_MATERIALS_CLEARCOAT:"KHR_materials_clearcoat",KHR_MATERIALS_IOR:"KHR_materials_ior",KHR_MATERIALS_SHEEN:"KHR_materials_sheen",KHR_MATERIALS_SPECULAR:"KHR_materials_specular",KHR_MATERIALS_TRANSMISSION:"KHR_materials_transmission",KHR_MATERIALS_IRIDESCENCE:"KHR_materials_iridescence",KHR_MATERIALS_ANISOTROPY:"KHR_materials_anisotropy",KHR_MATERIALS_UNLIT:"KHR_materials_unlit",KHR_MATERIALS_VOLUME:"KHR_materials_volume",KHR_TEXTURE_BASISU:"KHR_texture_basisu",KHR_TEXTURE_TRANSFORM:"KHR_texture_transform",KHR_MESH_QUANTIZATION:"KHR_mesh_quantization",KHR_MATERIALS_EMISSIVE_STRENGTH:"KHR_materials_emissive_strength",EXT_TEXTURE_WEBP:"EXT_texture_webp",EXT_TEXTURE_AVIF:"EXT_texture_avif",EXT_MESHOPT_COMPRESSION:"EXT_meshopt_compression",EXT_MESH_GPU_INSTANCING:"EXT_mesh_gpu_instancing"};class lp{constructor(e){this.parser=e,this.name=op.KHR_LIGHTS_PUNCTUAL,this.cache={refs:{},uses:{}}}_markDefs(){const e=this.parser,t=this.parser.json.nodes||[];for(let n=0,i=t.length;n<i;n++){const i=t[n];i.extensions&&i.extensions[this.name]&&void 0!==i.extensions[this.name].light&&e._addNodeRef(this.cache,i.extensions[this.name].light)}}_loadLight(e){const t=this.parser,n="light:"+e;let i=t.cache.get(n);if(i)return i;const r=t.json,a=r.extensions&&r.extensions[this.name]||{},s=a.lights||[],o=s[e];let l;const c=new xr(16777215);void 0!==o.color&&c.fromArray(o.color);const h=void 0!==o.range?o.range:0;switch(o.type){case"directional":l=new kd(c),l.target.position.set(0,0,-1),l.add(l.target);break;case"point":l=new zd(c),l.distance=h;break;case"spot":l=new Dd(c),l.distance=h,o.spot=o.spot||{},o.spot.innerConeAngle=void 0!==o.spot.innerConeAngle?o.spot.innerConeAngle:0,o.spot.outerConeAngle=void 0!==o.spot.outerConeAngle?o.spot.outerConeAngle:Math.PI/4,l.angle=o.spot.outerConeAngle,l.penumbra=1-o.spot.innerConeAngle/o.spot.outerConeAngle,l.target.position.set(0,0,-1),l.add(l.target);break;default:throw new Error("THREE.GLTFLoader: Unexpected light type: "+o.type)}return l.position.set(0,0,0),l.decay=2,Xp(l,o),void 0!==o.intensity&&(l.intensity=o.intensity),l.name=t.createUniqueName(o.name||"light_"+e),i=Promise.resolve(l),t.cache.add(n,i),i}getDependency(e,t){if("light"===e)return this._loadLight(t)}createNodeAttachment(e){const t=this,n=this.parser,i=n.json,r=i.nodes[e],a=r.extensions&&r.extensions[this.name]||{},s=a.light;return void 0===s?null:this._loadLight(s).then((function(e){return n._getNodeRef(t.cache,s,e)}))}}class cp{constructor(){this.name=op.KHR_MATERIALS_UNLIT}getMaterialType(){return yr}extendParams(e,t,n){const i=[];e.color=new xr(1,1,1),e.opacity=1;const r=t.pbrMetallicRoughness;if(r){if(Array.isArray(r.baseColorFactor)){const t=r.baseColorFactor;e.color.fromArray(t),e.opacity=t[3]}void 0!==r.baseColorTexture&&i.push(n.assignTexture(e,"map",r.baseColorTexture,Pt))}return Promise.all(i)}}class hp{constructor(e){this.parser=e,this.name=op.KHR_MATERIALS_EMISSIVE_STRENGTH}extendMaterialParams(e,t){const n=this.parser,i=n.json.materials[e];if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const r=i.extensions[this.name].emissiveStrength;return void 0!==r&&(t.emissiveIntensity=r),Promise.resolve()}}class up{constructor(e){this.parser=e,this.name=op.KHR_MATERIALS_CLEARCOAT}getMaterialType(e){const t=this.parser,n=t.json.materials[e];return n.extensions&&n.extensions[this.name]?Zu:null}extendMaterialParams(e,t){const n=this.parser,i=n.json.materials[e];if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const r=[],a=i.extensions[this.name];if(void 0!==a.clearcoatFactor&&(t.clearcoat=a.clearcoatFactor),void 0!==a.clearcoatTexture&&r.push(n.assignTexture(t,"clearcoatMap",a.clearcoatTexture)),void 0!==a.clearcoatRoughnessFactor&&(t.clearcoatRoughness=a.clearcoatRoughnessFactor),void 0!==a.clearcoatRoughnessTexture&&r.push(n.assignTexture(t,"clearcoatRoughnessMap",a.clearcoatRoughnessTexture)),void 0!==a.clearcoatNormalTexture&&(r.push(n.assignTexture(t,"clearcoatNormalMap",a.clearcoatNormalTexture)),void 0!==a.clearcoatNormalTexture.scale)){const e=a.clearcoatNormalTexture.scale;t.clearcoatNormalScale=new En(e,e)}return Promise.all(r)}}class dp{constructor(e){this.parser=e,this.name=op.KHR_MATERIALS_IRIDESCENCE}getMaterialType(e){const t=this.parser,n=t.json.materials[e];return n.extensions&&n.extensions[this.name]?Zu:null}extendMaterialParams(e,t){const n=this.parser,i=n.json.materials[e];if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const r=[],a=i.extensions[this.name];return void 0!==a.iridescenceFactor&&(t.iridescence=a.iridescenceFactor),void 0!==a.iridescenceTexture&&r.push(n.assignTexture(t,"iridescenceMap",a.iridescenceTexture)),void 0!==a.iridescenceIor&&(t.iridescenceIOR=a.iridescenceIor),void 0===t.iridescenceThicknessRange&&(t.iridescenceThicknessRange=[100,400]),void 0!==a.iridescenceThicknessMinimum&&(t.iridescenceThicknessRange[0]=a.iridescenceThicknessMinimum),void 0!==a.iridescenceThicknessMaximum&&(t.iridescenceThicknessRange[1]=a.iridescenceThicknessMaximum),void 0!==a.iridescenceThicknessTexture&&r.push(n.assignTexture(t,"iridescenceThicknessMap",a.iridescenceThicknessTexture)),Promise.all(r)}}class pp{constructor(e){this.parser=e,this.name=op.KHR_MATERIALS_SHEEN}getMaterialType(e){const t=this.parser,n=t.json.materials[e];return n.extensions&&n.extensions[this.name]?Zu:null}extendMaterialParams(e,t){const n=this.parser,i=n.json.materials[e];if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const r=[];t.sheenColor=new xr(0,0,0),t.sheenRoughness=0,t.sheen=1;const a=i.extensions[this.name];return void 0!==a.sheenColorFactor&&t.sheenColor.fromArray(a.sheenColorFactor),void 0!==a.sheenRoughnessFactor&&(t.sheenRoughness=a.sheenRoughnessFactor),void 0!==a.sheenColorTexture&&r.push(n.assignTexture(t,"sheenColorMap",a.sheenColorTexture,Pt)),void 0!==a.sheenRoughnessTexture&&r.push(n.assignTexture(t,"sheenRoughnessMap",a.sheenRoughnessTexture)),Promise.all(r)}}class fp{constructor(e){this.parser=e,this.name=op.KHR_MATERIALS_TRANSMISSION}getMaterialType(e){const t=this.parser,n=t.json.materials[e];return n.extensions&&n.extensions[this.name]?Zu:null}extendMaterialParams(e,t){const n=this.parser,i=n.json.materials[e];if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const r=[],a=i.extensions[this.name];return void 0!==a.transmissionFactor&&(t.transmission=a.transmissionFactor),void 0!==a.transmissionTexture&&r.push(n.assignTexture(t,"transmissionMap",a.transmissionTexture)),Promise.all(r)}}class mp{constructor(e){this.parser=e,this.name=op.KHR_MATERIALS_VOLUME}getMaterialType(e){const t=this.parser,n=t.json.materials[e];return n.extensions&&n.extensions[this.name]?Zu:null}extendMaterialParams(e,t){const n=this.parser,i=n.json.materials[e];if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const r=[],a=i.extensions[this.name];t.thickness=void 0!==a.thicknessFactor?a.thicknessFactor:0,void 0!==a.thicknessTexture&&r.push(n.assignTexture(t,"thicknessMap",a.thicknessTexture)),t.attenuationDistance=a.attenuationDistance||1/0;const s=a.attenuationColor||[1,1,1];return t.attenuationColor=new xr(s[0],s[1],s[2]),Promise.all(r)}}class gp{constructor(e){this.parser=e,this.name=op.KHR_MATERIALS_IOR}getMaterialType(e){const t=this.parser,n=t.json.materials[e];return n.extensions&&n.extensions[this.name]?Zu:null}extendMaterialParams(e,t){const n=this.parser,i=n.json.materials[e];if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const r=i.extensions[this.name];return t.ior=void 0!==r.ior?r.ior:1.5,Promise.resolve()}}class _p{constructor(e){this.parser=e,this.name=op.KHR_MATERIALS_SPECULAR}getMaterialType(e){const t=this.parser,n=t.json.materials[e];return n.extensions&&n.extensions[this.name]?Zu:null}extendMaterialParams(e,t){const n=this.parser,i=n.json.materials[e];if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const r=[],a=i.extensions[this.name];t.specularIntensity=void 0!==a.specularFactor?a.specularFactor:1,void 0!==a.specularTexture&&r.push(n.assignTexture(t,"specularIntensityMap",a.specularTexture));const s=a.specularColorFactor||[1,1,1];return t.specularColor=new xr(s[0],s[1],s[2]),void 0!==a.specularColorTexture&&r.push(n.assignTexture(t,"specularColorMap",a.specularColorTexture,Pt)),Promise.all(r)}}class vp{constructor(e){this.parser=e,this.name=op.KHR_MATERIALS_ANISOTROPY}getMaterialType(e){const t=this.parser,n=t.json.materials[e];return n.extensions&&n.extensions[this.name]?Zu:null}extendMaterialParams(e,t){const n=this.parser,i=n.json.materials[e];if(!i.extensions||!i.extensions[this.name])return Promise.resolve();const r=[],a=i.extensions[this.name];return void 0!==a.anisotropyStrength&&(t.anisotropy=a.anisotropyStrength),void 0!==a.anisotropyRotation&&(t.anisotropyRotation=a.anisotropyRotation),void 0!==a.anisotropyTexture&&r.push(n.assignTexture(t,"anisotropyMap",a.anisotropyTexture)),Promise.all(r)}}class xp{constructor(e){this.parser=e,this.name=op.KHR_TEXTURE_BASISU}loadTexture(e){const t=this.parser,n=t.json,i=n.textures[e];if(!i.extensions||!i.extensions[this.name])return null;const r=i.extensions[this.name],a=t.options.ktx2Loader;if(!a){if(n.extensionsRequired&&n.extensionsRequired.indexOf(this.name)>=0)throw new Error("THREE.GLTFLoader: setKTX2Loader must be called before loading KTX2 textures");return null}return t.loadTextureImage(e,r.source,a)}}class Mp{constructor(e){this.parser=e,this.name=op.EXT_TEXTURE_WEBP,this.isSupported=null}loadTexture(e){const t=this.name,n=this.parser,i=n.json,r=i.textures[e];if(!r.extensions||!r.extensions[t])return null;const a=r.extensions[t],s=i.images[a.source];let o=n.textureLoader;if(s.uri){const e=n.options.manager.getHandler(s.uri);null!==e&&(o=e)}return this.detectSupport().then((function(r){if(r)return n.loadTextureImage(e,a.source,o);if(i.extensionsRequired&&i.extensionsRequired.indexOf(t)>=0)throw new Error("THREE.GLTFLoader: WebP required by asset but unsupported.");return n.loadTexture(e)}))}detectSupport(){return this.isSupported||(this.isSupported=new Promise((function(e){const t=new Image;t.src="data:image/webp;base64,UklGRiIAAABXRUJQVlA4IBYAAAAwAQCdASoBAAEADsD+JaQAA3AAAAAA",t.onload=t.onerror=function(){e(1===t.height)}}))),this.isSupported}}class yp{constructor(e){this.parser=e,this.name=op.EXT_TEXTURE_AVIF,this.isSupported=null}loadTexture(e){const t=this.name,n=this.parser,i=n.json,r=i.textures[e];if(!r.extensions||!r.extensions[t])return null;const a=r.extensions[t],s=i.images[a.source];let o=n.textureLoader;if(s.uri){const e=n.options.manager.getHandler(s.uri);null!==e&&(o=e)}return this.detectSupport().then((function(r){if(r)return n.loadTextureImage(e,a.source,o);if(i.extensionsRequired&&i.extensionsRequired.indexOf(t)>=0)throw new Error("THREE.GLTFLoader: AVIF required by asset but unsupported.");return n.loadTexture(e)}))}detectSupport(){return this.isSupported||(this.isSupported=new Promise((function(e){const t=new Image;t.src="data:image/avif;base64,AAAAIGZ0eXBhdmlmAAAAAGF2aWZtaWYxbWlhZk1BMUIAAADybWV0YQAAAAAAAAAoaGRscgAAAAAAAAAAcGljdAAAAAAAAAAAAAAAAGxpYmF2aWYAAAAADnBpdG0AAAAAAAEAAAAeaWxvYwAAAABEAAABAAEAAAABAAABGgAAABcAAAAoaWluZgAAAAAAAQAAABppbmZlAgAAAAABAABhdjAxQ29sb3IAAAAAamlwcnAAAABLaXBjbwAAABRpc3BlAAAAAAAAAAEAAAABAAAAEHBpeGkAAAAAAwgICAAAAAxhdjFDgQAMAAAAABNjb2xybmNseAACAAIABoAAAAAXaXBtYQAAAAAAAAABAAEEAQKDBAAAAB9tZGF0EgAKCBgABogQEDQgMgkQAAAAB8dSLfI=",t.onload=t.onerror=function(){e(1===t.height)}}))),this.isSupported}}class Sp{constructor(e){this.name=op.EXT_MESHOPT_COMPRESSION,this.parser=e}loadBufferView(e){const t=this.parser.json,n=t.bufferViews[e];if(n.extensions&&n.extensions[this.name]){const e=n.extensions[this.name],i=this.parser.getDependency("buffer",e.buffer),r=this.parser.options.meshoptDecoder;if(!r||!r.supported){if(t.extensionsRequired&&t.extensionsRequired.indexOf(this.name)>=0)throw new Error("THREE.GLTFLoader: setMeshoptDecoder must be called before loading compressed files");return null}return i.then((function(t){const n=e.byteOffset||0,i=e.byteLength||0,a=e.count,s=e.byteStride,o=new Uint8Array(t,n,i);return r.decodeGltfBufferAsync?r.decodeGltfBufferAsync(a,s,o,e.mode,e.filter).then((function(e){return e.buffer})):r.ready.then((function(){const t=new ArrayBuffer(a*s);return r.decodeGltfBuffer(new Uint8Array(t),a,s,o,e.mode,e.filter),t}))}))}return null}}class Tp{constructor(e){this.name=op.EXT_MESH_GPU_INSTANCING,this.parser=e}createNodeMesh(e){const t=this.parser.json,n=t.nodes[e];if(!n.extensions||!n.extensions[this.name]||void 0===n.mesh)return null;const i=t.meshes[n.mesh];for(const l of i.primitives)if(l.mode!==Dp.TRIANGLES&&l.mode!==Dp.TRIANGLE_STRIP&&l.mode!==Dp.TRIANGLE_FAN&&void 0!==l.mode)return null;const r=n.extensions[this.name],a=r.attributes,s=[],o={};for(const l in a)s.push(this.parser.getDependency("accessor",a[l]).then((e=>(o[l]=e,o[l]))));return s.length<1?null:(s.push(this.parser.createNodeMesh(e)),Promise.all(s).then((e=>{const t=e.pop(),n=t.isGroup?t.children:[t],i=e[0].count,r=[];for(const a of n){const e=new Ci,t=new $n,n=new Qn,s=new $n(1,1,1),l=new Lu(a.geometry,a.material,i);for(let r=0;r<i;r++)o.TRANSLATION&&t.fromBufferAttribute(o.TRANSLATION,r),o.ROTATION&&n.fromBufferAttribute(o.ROTATION,r),o.SCALE&&s.fromBufferAttribute(o.SCALE,r),l.setMatrixAt(r,e.compose(t,n,s));for(const i in o)"TRANSLATION"!==i&&"ROTATION"!==i&&"SCALE"!==i&&a.geometry.setAttribute(i,o[i]);er.prototype.copy.call(l,a),this.parser.assignFinalMaterial(l),r.push(l)}return t.isGroup?(t.clear(),t.add(...r),t):r[0]})))}}const Ep="glTF",bp=12,Ap={JSON:1313821514,BIN:5130562};class wp{constructor(e){this.name=op.KHR_BINARY_GLTF,this.content=null,this.body=null;const t=new DataView(e,0,bp),n=new TextDecoder;if(this.header={magic:n.decode(new Uint8Array(e.slice(0,4))),version:t.getUint32(4,!0),length:t.getUint32(8,!0)},this.header.magic!==Ep)throw new Error("THREE.GLTFLoader: Unsupported glTF-Binary header.");if(this.header.version<2)throw new Error("THREE.GLTFLoader: Legacy binary file detected.");const i=this.header.length-bp,r=new DataView(e,bp);let a=0;while(a<i){const t=r.getUint32(a,!0);a+=4;const i=r.getUint32(a,!0);if(a+=4,i===Ap.JSON){const i=new Uint8Array(e,bp+a,t);this.content=n.decode(i)}else if(i===Ap.BIN){const n=bp+a;this.body=e.slice(n,n+t)}a+=t}if(null===this.content)throw new Error("THREE.GLTFLoader: JSON content not found.")}}class Rp{constructor(e,t){if(!t)throw new Error("THREE.GLTFLoader: No DRACOLoader instance provided.");this.name=op.KHR_DRACO_MESH_COMPRESSION,this.json=e,this.dracoLoader=t,this.dracoLoader.preload()}decodePrimitive(e,t){const n=this.json,i=this.dracoLoader,r=e.extensions[this.name].bufferView,a=e.extensions[this.name].attributes,s={},o={},l={};for(const c in a){const e=zp[c]||c.toLowerCase();s[e]=a[c]}for(const c in e.attributes){const t=zp[c]||c.toLowerCase();if(void 0!==a[c]){const i=n.accessors[e.attributes[c]],r=Np[i.componentType];l[t]=r.name,o[t]=!0===i.normalized}}return t.getDependency("bufferView",r).then((function(e){return new Promise((function(t){i.decodeDracoFile(e,(function(e){for(const t in e.attributes){const n=e.attributes[t],i=o[t];void 0!==i&&(n.normalized=i)}t(e)}),s,l)}))}))}}class Cp{constructor(){this.name=op.KHR_TEXTURE_TRANSFORM}extendTexture(e,t){return void 0!==t.texCoord&&t.texCoord!==e.channel||void 0!==t.offset||void 0!==t.rotation||void 0!==t.scale?(e=e.clone(),void 0!==t.texCoord&&(e.channel=t.texCoord),void 0!==t.offset&&e.offset.fromArray(t.offset),void 0!==t.rotation&&(e.rotation=t.rotation),void 0!==t.scale&&e.repeat.fromArray(t.scale),e.needsUpdate=!0,e):e}}class Lp{constructor(){this.name=op.KHR_MESH_QUANTIZATION}}class Pp extends rd{constructor(e,t,n,i){super(e,t,n,i)}copySampleValue_(e){const t=this.resultBuffer,n=this.sampleValues,i=this.valueSize,r=e*i*3+i;for(let a=0;a!==i;a++)t[a]=n[r+a];return t}interpolate_(e,t,n,i){const r=this.resultBuffer,a=this.sampleValues,s=this.valueSize,o=2*s,l=3*s,c=i-t,h=(n-t)/c,u=h*h,d=u*h,p=e*l,f=p-l,m=-2*d+3*u,g=d-u,_=1-m,v=g-u+h;for(let x=0;x!==s;x++){const e=a[f+x+s],t=a[f+x+o]*c,n=a[p+x+s],i=a[p+x]*c;r[x]=_*e+v*t+m*n+g*i}return r}}const Up=new Qn;class Ip extends Pp{interpolate_(e,t,n,i){const r=super.interpolate_(e,t,n,i);return Up.fromArray(r).normalize().toArray(r),r}}const Dp={FLOAT:5126,FLOAT_MAT3:35675,FLOAT_MAT4:35676,FLOAT_VEC2:35664,FLOAT_VEC3:35665,FLOAT_VEC4:35666,LINEAR:9729,REPEAT:10497,SAMPLER_2D:35678,POINTS:0,LINES:1,LINE_LOOP:2,LINE_STRIP:3,TRIANGLES:4,TRIANGLE_STRIP:5,TRIANGLE_FAN:6,UNSIGNED_BYTE:5121,UNSIGNED_SHORT:5123},Np={5120:Int8Array,5121:Uint8Array,5122:Int16Array,5123:Uint16Array,5125:Uint32Array,5126:Float32Array},Op={9728:he,9729:pe,9984:ue,9985:fe,9986:de,9987:me},Fp={33071:le,33648:ce,10497:oe},Bp={SCALAR:1,VEC2:2,VEC3:3,VEC4:4,MAT2:4,MAT3:9,MAT4:16},zp={POSITION:"position",NORMAL:"normal",TANGENT:"tangent",TEXCOORD_0:"uv",TEXCOORD_1:"uv1",TEXCOORD_2:"uv2",TEXCOORD_3:"uv3",COLOR_0:"color",WEIGHTS_0:"skinWeight",JOINTS_0:"skinIndex"},Hp={scale:"scale",translation:"position",rotation:"quaternion",weights:"morphTargetInfluences"},kp={CUBICSPLINE:void 0,LINEAR:mt,STEP:ft},Gp={OPAQUE:"OPAQUE",MASK:"MASK",BLEND:"BLEND"};function Vp(e){return void 0===e["DefaultMaterial"]&&(e["DefaultMaterial"]=new Ku({color:16777215,emissive:0,metalness:1,roughness:1,transparent:!1,depthTest:!0,side:p})),e["DefaultMaterial"]}function Wp(e,t,n){for(const i in n.extensions)void 0===e[i]&&(t.userData.gltfExtensions=t.userData.gltfExtensions||{},t.userData.gltfExtensions[i]=n.extensions[i])}function Xp(e,t){void 0!==t.extras&&("object"===typeof t.extras?Object.assign(e.userData,t.extras):console.warn("THREE.GLTFLoader: Ignoring primitive type .extras, "+t.extras))}function jp(e,t,n){let i=!1,r=!1,a=!1;for(let c=0,h=t.length;c<h;c++){const e=t[c];if(void 0!==e.POSITION&&(i=!0),void 0!==e.NORMAL&&(r=!0),void 0!==e.COLOR_0&&(a=!0),i&&r&&a)break}if(!i&&!r&&!a)return Promise.resolve(e);const s=[],o=[],l=[];for(let c=0,h=t.length;c<h;c++){const h=t[c];if(i){const t=void 0!==h.POSITION?n.getDependency("accessor",h.POSITION):e.attributes.position;s.push(t)}if(r){const t=void 0!==h.NORMAL?n.getDependency("accessor",h.NORMAL):e.attributes.normal;o.push(t)}if(a){const t=void 0!==h.COLOR_0?n.getDependency("accessor",h.COLOR_0):e.attributes.color;l.push(t)}}return Promise.all([Promise.all(s),Promise.all(o),Promise.all(l)]).then((function(t){const n=t[0],s=t[1],o=t[2];return i&&(e.morphAttributes.position=n),r&&(e.morphAttributes.normal=s),a&&(e.morphAttributes.color=o),e.morphTargetsRelative=!0,e}))}function qp(e,t){if(e.updateMorphTargets(),void 0!==t.weights)for(let n=0,i=t.weights.length;n<i;n++)e.morphTargetInfluences[n]=t.weights[n];if(t.extras&&Array.isArray(t.extras.targetNames)){const n=t.extras.targetNames;if(e.morphTargetInfluences.length===n.length){e.morphTargetDictionary={};for(let t=0,i=n.length;t<i;t++)e.morphTargetDictionary[n[t]]=t}else console.warn("THREE.GLTFLoader: Invalid extras.targetNames length. Ignoring names.")}}function Yp(e){let t;const n=e.extensions&&e.extensions[op.KHR_DRACO_MESH_COMPRESSION];if(t=n?"draco:"+n.bufferView+":"+n.indices+":"+Kp(n.attributes):e.indices+":"+Kp(e.attributes)+":"+e.mode,void 0!==e.targets)for(let i=0,r=e.targets.length;i<r;i++)t+=":"+Kp(e.targets[i]);return t}function Kp(e){let t="";const n=Object.keys(e).sort();for(let i=0,r=n.length;i<r;i++)t+=n[i]+":"+e[n[i]]+";";return t}function Zp(e){switch(e){case Int8Array:return 1/127;case Uint8Array:return 1/255;case Int16Array:return 1/32767;case Uint16Array:return 1/65535;default:throw new Error("THREE.GLTFLoader: Unsupported normalized accessor component type.")}}function Jp(e){return e.search(/\.jpe?g($|\?)/i)>0||0===e.search(/^data\:image\/jpeg/)?"image/jpeg":e.search(/\.webp($|\?)/i)>0||0===e.search(/^data\:image\/webp/)?"image/webp":"image/png"}const Qp=new Ci;class $p{constructor(e={},t={}){this.json=e,this.extensions={},this.plugins={},this.options=t,this.cache=new sp,this.associations=new Map,this.primitiveCache={},this.nodeCache={},this.meshCache={refs:{},uses:{}},this.cameraCache={refs:{},uses:{}},this.lightCache={refs:{},uses:{}},this.sourceCache={},this.textureCache={},this.nodeNamesUsed={};let n=!1,i=!1,r=-1;"undefined"!==typeof navigator&&(n=!0===/^((?!chrome|android).)*safari/i.test(navigator.userAgent),i=navigator.userAgent.indexOf("Firefox")>-1,r=i?navigator.userAgent.match(/Firefox\/([0-9]+)\./)[1]:-1),"undefined"===typeof createImageBitmap||n||i&&r<98?this.textureLoader=new wd(this.options.manager):this.textureLoader=new Vd(this.options.manager),this.textureLoader.setCrossOrigin(this.options.crossOrigin),this.textureLoader.setRequestHeader(this.options.requestHeader),this.fileLoader=new bd(this.options.manager),this.fileLoader.setResponseType("arraybuffer"),"use-credentials"===this.options.crossOrigin&&this.fileLoader.setWithCredentials(!0)}setExtensions(e){this.extensions=e}setPlugins(e){this.plugins=e}parse(e,t){const n=this,i=this.json,r=this.extensions;this.cache.removeAll(),this.nodeCache={},this._invokeAll((function(e){return e._markDefs&&e._markDefs()})),Promise.all(this._invokeAll((function(e){return e.beforeRoot&&e.beforeRoot()}))).then((function(){return Promise.all([n.getDependencies("scene"),n.getDependencies("animation"),n.getDependencies("camera")])})).then((function(t){const a={scene:t[0][i.scene||0],scenes:t[0],animations:t[1],cameras:t[2],asset:i.asset,parser:n,userData:{}};Wp(r,a,i),Xp(a,i),Promise.all(n._invokeAll((function(e){return e.afterRoot&&e.afterRoot(a)}))).then((function(){e(a)}))})).catch(t)}_markDefs(){const e=this.json.nodes||[],t=this.json.skins||[],n=this.json.meshes||[];for(let i=0,r=t.length;i<r;i++){const n=t[i].joints;for(let t=0,i=n.length;t<i;t++)e[n[t]].isBone=!0}for(let i=0,r=e.length;i<r;i++){const t=e[i];void 0!==t.mesh&&(this._addNodeRef(this.meshCache,t.mesh),void 0!==t.skin&&(n[t.mesh].isSkinnedMesh=!0)),void 0!==t.camera&&this._addNodeRef(this.cameraCache,t.camera)}}_addNodeRef(e,t){void 0!==t&&(void 0===e.refs[t]&&(e.refs[t]=e.uses[t]=0),e.refs[t]++)}_getNodeRef(e,t,n){if(e.refs[t]<=1)return n;const i=n.clone(),r=(e,t)=>{const n=this.associations.get(e);null!=n&&this.associations.set(t,n);for(const[i,a]of e.children.entries())r(a,t.children[i])};return r(n,i),i.name+="_instance_"+e.uses[t]++,i}_invokeOne(e){const t=Object.values(this.plugins);t.push(this);for(let n=0;n<t.length;n++){const i=e(t[n]);if(i)return i}return null}_invokeAll(e){const t=Object.values(this.plugins);t.unshift(this);const n=[];for(let i=0;i<t.length;i++){const r=e(t[i]);r&&n.push(r)}return n}getDependency(e,t){const n=e+":"+t;let i=this.cache.get(n);if(!i){switch(e){case"scene":i=this.loadScene(t);break;case"node":i=this._invokeOne((function(e){return e.loadNode&&e.loadNode(t)}));break;case"mesh":i=this._invokeOne((function(e){return e.loadMesh&&e.loadMesh(t)}));break;case"accessor":i=this.loadAccessor(t);break;case"bufferView":i=this._invokeOne((function(e){return e.loadBufferView&&e.loadBufferView(t)}));break;case"buffer":i=this.loadBuffer(t);break;case"material":i=this._invokeOne((function(e){return e.loadMaterial&&e.loadMaterial(t)}));break;case"texture":i=this._invokeOne((function(e){return e.loadTexture&&e.loadTexture(t)}));break;case"skin":i=this.loadSkin(t);break;case"animation":i=this._invokeOne((function(e){return e.loadAnimation&&e.loadAnimation(t)}));break;case"camera":i=this.loadCamera(t);break;default:if(i=this._invokeOne((function(n){return n!=this&&n.getDependency&&n.getDependency(e,t)})),!i)throw new Error("Unknown type: "+e);break}this.cache.add(n,i)}return i}getDependencies(e){let t=this.cache.get(e);if(!t){const n=this,i=this.json[e+("mesh"===e?"es":"s")]||[];t=Promise.all(i.map((function(t,i){return n.getDependency(e,i)}))),this.cache.add(e,t)}return t}loadBuffer(e){const t=this.json.buffers[e],n=this.fileLoader;if(t.type&&"arraybuffer"!==t.type)throw new Error("THREE.GLTFLoader: "+t.type+" buffer type is not supported.");if(void 0===t.uri&&0===e)return Promise.resolve(this.extensions[op.KHR_BINARY_GLTF].body);const i=this.options;return new Promise((function(e,r){n.load(Gd.resolveURL(t.uri,i.path),e,void 0,(function(){r(new Error('THREE.GLTFLoader: Failed to load buffer "'+t.uri+'".'))}))}))}loadBufferView(e){const t=this.json.bufferViews[e];return this.getDependency("buffer",t.buffer).then((function(e){const n=t.byteLength||0,i=t.byteOffset||0;return e.slice(i,i+n)}))}loadAccessor(e){const t=this,n=this.json,i=this.json.accessors[e];if(void 0===i.bufferView&&void 0===i.sparse){const e=Bp[i.type],t=Np[i.componentType],n=!0===i.normalized,r=new t(i.count*e);return Promise.resolve(new Er(r,e,n))}const r=[];return void 0!==i.bufferView?r.push(this.getDependency("bufferView",i.bufferView)):r.push(null),void 0!==i.sparse&&(r.push(this.getDependency("bufferView",i.sparse.indices.bufferView)),r.push(this.getDependency("bufferView",i.sparse.values.bufferView))),Promise.all(r).then((function(e){const r=e[0],a=Bp[i.type],s=Np[i.componentType],o=s.BYTES_PER_ELEMENT,l=o*a,c=i.byteOffset||0,h=void 0!==i.bufferView?n.bufferViews[i.bufferView].byteStride:void 0,u=!0===i.normalized;let d,p;if(h&&h!==l){const e=Math.floor(c/h),n="InterleavedBuffer:"+i.bufferView+":"+i.componentType+":"+e+":"+i.count;let l=t.cache.get(n);l||(d=new s(r,e*h,i.count*h/o),l=new ru(d,h/o),t.cache.add(n,l)),p=new su(l,a,c%h/o,u)}else d=null===r?new s(i.count*a):new s(r,c,i.count*a),p=new Er(d,a,u);if(void 0!==i.sparse){const t=Bp.SCALAR,n=Np[i.sparse.indices.componentType],o=i.sparse.indices.byteOffset||0,l=i.sparse.values.byteOffset||0,c=new n(e[1],o,i.sparse.count*t),h=new s(e[2],l,i.sparse.count*a);null!==r&&(p=new Er(p.array.slice(),p.itemSize,p.normalized));for(let e=0,i=c.length;e<i;e++){const t=c[e];if(p.setX(t,h[e*a]),a>=2&&p.setY(t,h[e*a+1]),a>=3&&p.setZ(t,h[e*a+2]),a>=4&&p.setW(t,h[e*a+3]),a>=5)throw new Error("THREE.GLTFLoader: Unsupported itemSize in sparse BufferAttribute.")}}return p}))}loadTexture(e){const t=this.json,n=this.options,i=t.textures[e],r=i.source,a=t.images[r];let s=this.textureLoader;if(a.uri){const e=n.manager.getHandler(a.uri);null!==e&&(s=e)}return this.loadTextureImage(e,r,s)}loadTextureImage(e,t,n){const i=this,r=this.json,a=r.textures[e],s=r.images[t],o=(s.uri||s.bufferView)+":"+a.sampler;if(this.textureCache[o])return this.textureCache[o];const l=this.loadImageSource(t,n).then((function(t){t.flipY=!1,t.name=a.name||s.name||"",""===t.name&&"string"===typeof s.uri&&!1===s.uri.startsWith("data:image/")&&(t.name=s.uri);const n=r.samplers||{},o=n[a.sampler]||{};return t.magFilter=Op[o.magFilter]||pe,t.minFilter=Op[o.minFilter]||me,t.wrapS=Fp[o.wrapS]||oe,t.wrapT=Fp[o.wrapT]||oe,i.associations.set(t,{textures:e}),t})).catch((function(){return null}));return this.textureCache[o]=l,l}loadImageSource(e,t){const n=this,i=this.json,r=this.options;if(void 0!==this.sourceCache[e])return this.sourceCache[e].then((e=>e.clone()));const a=i.images[e],s=self.URL||self.webkitURL;let o=a.uri||"",l=!1;if(void 0!==a.bufferView)o=n.getDependency("bufferView",a.bufferView).then((function(e){l=!0;const t=new Blob([e],{type:a.mimeType});return o=s.createObjectURL(t),o}));else if(void 0===a.uri)throw new Error("THREE.GLTFLoader: Image "+e+" is missing URI and bufferView");const c=Promise.resolve(o).then((function(e){return new Promise((function(n,i){let a=n;!0===t.isImageBitmapLoader&&(a=function(e){const t=new jn(e);t.needsUpdate=!0,n(t)}),t.load(Gd.resolveURL(e,r.path),a,void 0,i)}))})).then((function(e){return!0===l&&s.revokeObjectURL(o),e.userData.mimeType=a.mimeType||Jp(a.uri),e})).catch((function(e){throw console.error("THREE.GLTFLoader: Couldn't load texture",o),e}));return this.sourceCache[e]=c,c}assignTexture(e,t,n,i){const r=this;return this.getDependency("texture",n.index).then((function(a){if(!a)return null;if(void 0!==n.texCoord&&n.texCoord>0&&(a=a.clone(),a.channel=n.texCoord),r.extensions[op.KHR_TEXTURE_TRANSFORM]){const e=void 0!==n.extensions?n.extensions[op.KHR_TEXTURE_TRANSFORM]:void 0;if(e){const t=r.associations.get(a);a=r.extensions[op.KHR_TEXTURE_TRANSFORM].extendTexture(a,e),r.associations.set(a,t)}}return void 0!==i&&(a.colorSpace=i),e[t]=a,a}))}assignFinalMaterial(e){const t=e.geometry;let n=e.material;const i=void 0===t.attributes.tangent,r=void 0!==t.attributes.color,a=void 0===t.attributes.normal;if(e.isPoints){const e="PointsMaterial:"+n.uuid;let t=this.cache.get(e);t||(t=new Gu,fr.prototype.copy.call(t,n),t.color.copy(n.color),t.map=n.map,t.sizeAttenuation=!1,this.cache.add(e,t)),n=t}else if(e.isLine){const e="LineBasicMaterial:"+n.uuid;let t=this.cache.get(e);t||(t=new Pu,fr.prototype.copy.call(t,n),t.color.copy(n.color),t.map=n.map,this.cache.add(e,t)),n=t}if(i||r||a){let e="ClonedMaterial:"+n.uuid+":";i&&(e+="derivative-tangents:"),r&&(e+="vertex-colors:"),a&&(e+="flat-shading:");let t=this.cache.get(e);t||(t=n.clone(),r&&(t.vertexColors=!0),a&&(t.flatShading=!0),i&&(t.normalScale&&(t.normalScale.y*=-1),t.clearcoatNormalScale&&(t.clearcoatNormalScale.y*=-1)),this.cache.add(e,t),this.associations.set(t,this.associations.get(n))),n=t}e.material=n}getMaterialType(){return Ku}loadMaterial(e){const t=this,n=this.json,i=this.extensions,r=n.materials[e];let a;const s={},o=r.extensions||{},l=[];if(o[op.KHR_MATERIALS_UNLIT]){const e=i[op.KHR_MATERIALS_UNLIT];a=e.getMaterialType(),l.push(e.extendParams(s,r,t))}else{const n=r.pbrMetallicRoughness||{};if(s.color=new xr(1,1,1),s.opacity=1,Array.isArray(n.baseColorFactor)){const e=n.baseColorFactor;s.color.fromArray(e),s.opacity=e[3]}void 0!==n.baseColorTexture&&l.push(t.assignTexture(s,"map",n.baseColorTexture,Pt)),s.metalness=void 0!==n.metallicFactor?n.metallicFactor:1,s.roughness=void 0!==n.roughnessFactor?n.roughnessFactor:1,void 0!==n.metallicRoughnessTexture&&(l.push(t.assignTexture(s,"metalnessMap",n.metallicRoughnessTexture)),l.push(t.assignTexture(s,"roughnessMap",n.metallicRoughnessTexture))),a=this._invokeOne((function(t){return t.getMaterialType&&t.getMaterialType(e)})),l.push(Promise.all(this._invokeAll((function(t){return t.extendMaterialParams&&t.extendMaterialParams(e,s)}))))}!0===r.doubleSided&&(s.side=m);const c=r.alphaMode||Gp.OPAQUE;if(c===Gp.BLEND?(s.transparent=!0,s.depthWrite=!1):(s.transparent=!1,c===Gp.MASK&&(s.alphaTest=void 0!==r.alphaCutoff?r.alphaCutoff:.5)),void 0!==r.normalTexture&&a!==yr&&(l.push(t.assignTexture(s,"normalMap",r.normalTexture)),s.normalScale=new En(1,1),void 0!==r.normalTexture.scale)){const e=r.normalTexture.scale;s.normalScale.set(e,e)}return void 0!==r.occlusionTexture&&a!==yr&&(l.push(t.assignTexture(s,"aoMap",r.occlusionTexture)),void 0!==r.occlusionTexture.strength&&(s.aoMapIntensity=r.occlusionTexture.strength)),void 0!==r.emissiveFactor&&a!==yr&&(s.emissive=(new xr).fromArray(r.emissiveFactor)),void 0!==r.emissiveTexture&&a!==yr&&l.push(t.assignTexture(s,"emissiveMap",r.emissiveTexture,Pt)),Promise.all(l).then((function(){const n=new a(s);return r.name&&(n.name=r.name),Xp(n,r),t.associations.set(n,{materials:e}),r.extensions&&Wp(i,n,r),n}))}createUniqueName(e){const t=ip.sanitizeNodeName(e||"");return t in this.nodeNamesUsed?t+"_"+ ++this.nodeNamesUsed[t]:(this.nodeNamesUsed[t]=0,t)}loadGeometries(e){const t=this,n=this.extensions,i=this.primitiveCache;function r(e){return n[op.KHR_DRACO_MESH_COMPRESSION].decodePrimitive(e,t).then((function(n){return tf(n,e,t)}))}const a=[];for(let s=0,o=e.length;s<o;s++){const n=e[s],o=Yp(n),l=i[o];if(l)a.push(l.promise);else{let e;e=n.extensions&&n.extensions[op.KHR_DRACO_MESH_COMPRESSION]?r(n):tf(new Nr,n,t),i[o]={primitive:n,promise:e},a.push(e)}}return Promise.all(a)}loadMesh(e){const t=this,n=this.json,i=this.extensions,r=n.meshes[e],a=r.primitives,s=[];for(let o=0,l=a.length;o<l;o++){const e=void 0===a[o].material?Vp(this.cache):this.getDependency("material",a[o].material);s.push(e)}return s.push(t.loadGeometries(a)),Promise.all(s).then((function(n){const s=n.slice(0,n.length-1),o=n[n.length-1],l=[];for(let h=0,u=o.length;h<u;h++){const n=o[h],c=a[h];let u;const d=s[h];if(c.mode===Dp.TRIANGLES||c.mode===Dp.TRIANGLE_STRIP||c.mode===Dp.TRIANGLE_FAN||void 0===c.mode)u=!0===r.isSkinnedMesh?new gu(n,d):new $r(n,d),!0===u.isSkinnedMesh&&u.normalizeSkinWeights(),c.mode===Dp.TRIANGLE_STRIP?u.geometry=rp(u.geometry,St):c.mode===Dp.TRIANGLE_FAN&&(u.geometry=rp(u.geometry,Tt));else if(c.mode===Dp.LINES)u=new Hu(n,d);else if(c.mode===Dp.LINE_STRIP)u=new Fu(n,d);else if(c.mode===Dp.LINE_LOOP)u=new ku(n,d);else{if(c.mode!==Dp.POINTS)throw new Error("THREE.GLTFLoader: Primitive mode unsupported: "+c.mode);u=new qu(n,d)}Object.keys(u.geometry.morphAttributes).length>0&&qp(u,r),u.name=t.createUniqueName(r.name||"mesh_"+e),Xp(u,r),c.extensions&&Wp(i,u,c),t.assignFinalMaterial(u),l.push(u)}for(let i=0,r=l.length;i<r;i++)t.associations.set(l[i],{meshes:e,primitives:i});if(1===l.length)return r.extensions&&Wp(i,l[0],r),l[0];const c=new qh;r.extensions&&Wp(i,c,r),t.associations.set(c,{meshes:e});for(let e=0,t=l.length;e<t;e++)c.add(l[e]);return c}))}loadCamera(e){let t;const n=this.json.cameras[e],i=n[n.type];if(i)return"perspective"===n.type?t=new da(Tn.radToDeg(i.yfov),i.aspectRatio||1,i.znear||1,i.zfar||2e6):"orthographic"===n.type&&(t=new gl(-i.xmag,i.xmag,i.ymag,-i.ymag,i.znear,i.zfar)),n.name&&(t.name=this.createUniqueName(n.name)),Xp(t,n),Promise.resolve(t);console.warn("THREE.GLTFLoader: Missing camera parameters.")}loadSkin(e){const t=this.json.skins[e],n=[];for(let i=0,r=t.joints.length;i<r;i++)n.push(this._loadNodeShallow(t.joints[i]));return void 0!==t.inverseBindMatrices?n.push(this.getDependency("accessor",t.inverseBindMatrices)):n.push(null),Promise.all(n).then((function(e){const n=e.pop(),i=e,r=[],a=[];for(let s=0,o=i.length;s<o;s++){const e=i[s];if(e){r.push(e);const t=new Ci;null!==n&&t.fromArray(n.array,16*s),a.push(t)}else console.warn('THREE.GLTFLoader: Joint "%s" could not be found.',t.joints[s])}return new yu(r,a)}))}loadAnimation(e){const t=this.json,n=this,i=t.animations[e],r=i.name?i.name:"animation_"+e,a=[],s=[],o=[],l=[],c=[];for(let h=0,u=i.channels.length;h<u;h++){const e=i.channels[h],t=i.samplers[e.sampler],n=e.target,r=n.node,u=void 0!==i.parameters?i.parameters[t.input]:t.input,d=void 0!==i.parameters?i.parameters[t.output]:t.output;void 0!==n.node&&(a.push(this.getDependency("node",r)),s.push(this.getDependency("accessor",u)),o.push(this.getDependency("accessor",d)),l.push(t),c.push(n))}return Promise.all([Promise.all(a),Promise.all(s),Promise.all(o),Promise.all(l),Promise.all(c)]).then((function(e){const t=e[0],i=e[1],a=e[2],s=e[3],o=e[4],l=[];for(let r=0,c=t.length;r<c;r++){const e=t[r],c=i[r],h=a[r],u=s[r],d=o[r];if(void 0===e)continue;e.updateMatrix&&e.updateMatrix();const p=n._createAnimationTracks(e,c,h,u,d);if(p)for(let t=0;t<p.length;t++)l.push(p[t])}return new gd(r,void 0,l)}))}createNodeMesh(e){const t=this.json,n=this,i=t.nodes[e];return void 0===i.mesh?null:n.getDependency("mesh",i.mesh).then((function(e){const t=n._getNodeRef(n.meshCache,i.mesh,e);return void 0!==i.weights&&t.traverse((function(e){if(e.isMesh)for(let t=0,n=i.weights.length;t<n;t++)e.morphTargetInfluences[t]=i.weights[t]})),t}))}loadNode(e){const t=this.json,n=this,i=t.nodes[e],r=n._loadNodeShallow(e),a=[],s=i.children||[];for(let l=0,c=s.length;l<c;l++)a.push(n.getDependency("node",s[l]));const o=void 0===i.skin?Promise.resolve(null):n.getDependency("skin",i.skin);return Promise.all([r,Promise.all(a),o]).then((function(e){const t=e[0],n=e[1],i=e[2];null!==i&&t.traverse((function(e){e.isSkinnedMesh&&e.bind(i,Qp)}));for(let r=0,a=n.length;r<a;r++)t.add(n[r]);return t}))}_loadNodeShallow(e){const t=this.json,n=this.extensions,i=this;if(void 0!==this.nodeCache[e])return this.nodeCache[e];const r=t.nodes[e],a=r.name?i.createUniqueName(r.name):"",s=[],o=i._invokeOne((function(t){return t.createNodeMesh&&t.createNodeMesh(e)}));return o&&s.push(o),void 0!==r.camera&&s.push(i.getDependency("camera",r.camera).then((function(e){return i._getNodeRef(i.cameraCache,r.camera,e)}))),i._invokeAll((function(t){return t.createNodeAttachment&&t.createNodeAttachment(e)})).forEach((function(e){s.push(e)})),this.nodeCache[e]=Promise.all(s).then((function(t){let s;if(s=!0===r.isBone?new _u:t.length>1?new qh:1===t.length?t[0]:new er,s!==t[0])for(let e=0,n=t.length;e<n;e++)s.add(t[e]);if(r.name&&(s.userData.name=r.name,s.name=a),Xp(s,r),r.extensions&&Wp(n,s,r),void 0!==r.matrix){const e=new Ci;e.fromArray(r.matrix),s.applyMatrix4(e)}else void 0!==r.translation&&s.position.fromArray(r.translation),void 0!==r.rotation&&s.quaternion.fromArray(r.rotation),void 0!==r.scale&&s.scale.fromArray(r.scale);return i.associations.has(s)||i.associations.set(s,{}),i.associations.get(s).nodes=e,s})),this.nodeCache[e]}loadScene(e){const t=this.extensions,n=this.json.scenes[e],i=this,r=new qh;n.name&&(r.name=i.createUniqueName(n.name)),Xp(r,n),n.extensions&&Wp(t,r,n);const a=n.nodes||[],s=[];for(let o=0,l=a.length;o<l;o++)s.push(i.getDependency("node",a[o]));return Promise.all(s).then((function(e){for(let n=0,i=e.length;n<i;n++)r.add(e[n]);const t=e=>{const t=new Map;for(const[n,r]of i.associations)(n instanceof fr||n instanceof jn)&&t.set(n,r);return e.traverse((e=>{const n=i.associations.get(e);null!=n&&t.set(e,n)})),t};return i.associations=t(r),r}))}_createAnimationTracks(e,t,n,i,r){const a=[],s=e.name?e.name:e.uuid,o=[];let l;switch(Hp[r.path]===Hp.weights?e.traverse((function(e){e.morphTargetInfluences&&o.push(e.name?e.name:e.uuid)})):o.push(s),Hp[r.path]){case Hp.weights:l=ud;break;case Hp.rotation:l=pd;break;case Hp.position:case Hp.scale:l=md;break;default:switch(n.itemSize){case 1:l=ud;break;case 2:case 3:default:l=md;break}break}const c=void 0!==i.interpolation?kp[i.interpolation]:mt,h=this._getArrayFromAccessor(n);for(let u=0,d=o.length;u<d;u++){const e=new l(o[u]+"."+Hp[r.path],t.array,h,c);"CUBICSPLINE"===i.interpolation&&this._createCubicSplineTrackInterpolant(e),a.push(e)}return a}_getArrayFromAccessor(e){let t=e.array;if(e.normalized){const e=Zp(t.constructor),n=new Float32Array(t.length);for(let i=0,r=t.length;i<r;i++)n[i]=t[i]*e;t=n}return t}_createCubicSplineTrackInterpolant(e){e.createInterpolant=function(e){const t=this instanceof pd?Ip:Pp;return new t(this.times,this.values,this.getValueSize()/3,e)},e.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline=!0}}function ef(e,t,n){const i=t.attributes,r=new ni;if(void 0===i.POSITION)return;{const e=n.json.accessors[i.POSITION],t=e.min,a=e.max;if(void 0===t||void 0===a)return void console.warn("THREE.GLTFLoader: Missing min/max properties for accessor POSITION.");if(r.set(new $n(t[0],t[1],t[2]),new $n(a[0],a[1],a[2])),e.normalized){const t=Zp(Np[e.componentType]);r.min.multiplyScalar(t),r.max.multiplyScalar(t)}}const a=t.targets;if(void 0!==a){const e=new $n,t=new $n;for(let i=0,r=a.length;i<r;i++){const r=a[i];if(void 0!==r.POSITION){const i=n.json.accessors[r.POSITION],a=i.min,s=i.max;if(void 0!==a&&void 0!==s){if(t.setX(Math.max(Math.abs(a[0]),Math.abs(s[0]))),t.setY(Math.max(Math.abs(a[1]),Math.abs(s[1]))),t.setZ(Math.max(Math.abs(a[2]),Math.abs(s[2]))),i.normalized){const e=Zp(Np[i.componentType]);t.multiplyScalar(e)}e.max(t)}else console.warn("THREE.GLTFLoader: Missing min/max properties for accessor POSITION.")}}r.expandByVector(e)}e.boundingBox=r;const s=new Mi;r.getCenter(s.center),s.radius=r.min.distanceTo(r.max)/2,e.boundingSphere=s}function tf(e,t,n){const i=t.attributes,r=[];function a(t,i){return n.getDependency("accessor",t).then((function(t){e.setAttribute(i,t)}))}for(const s in i){const t=zp[s]||s.toLowerCase();t in e.attributes||r.push(a(i[s],t))}if(void 0!==t.indices&&!e.index){const i=n.getDependency("accessor",t.indices).then((function(t){e.setIndex(t)}));r.push(i)}return Xp(e,t),ef(e,t,n),Promise.all(r).then((function(){return void 0!==t.targets?jp(e,t.targets,n):e}))}const nf={name:"CopyShader",uniforms:{tDiffuse:{value:null},opacity:{value:1}},vertexShader:"\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvUv = uv;\n\t\t\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t\t}",fragmentShader:"\n\n\t\tuniform float opacity;\n\n\t\tuniform sampler2D tDiffuse;\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvec4 texel = texture2D( tDiffuse, vUv );\n\t\t\tgl_FragColor = opacity * texel;\n\n\n\t\t}"};class rf{constructor(){this.isPass=!0,this.enabled=!0,this.needsSwap=!0,this.clear=!1,this.renderToScreen=!1}setSize(){}render(){console.error("THREE.Pass: .render() must be implemented in derived pass.")}dispose(){}}const af=new gl(-1,1,1,-1,0,1),sf=new Nr;sf.setAttribute("position",new wr([-1,3,0,-1,-1,0,3,-1,0],3)),sf.setAttribute("uv",new wr([0,2,0,0,2,0],2));class of{constructor(e){this._mesh=new $r(sf,e)}dispose(){this._mesh.geometry.dispose()}render(e){e.render(this._mesh,af)}get material(){return this._mesh.material}set material(e){this._mesh.material=e}}class lf extends rf{constructor(e,t){super(),this.textureID=void 0!==t?t:"tDiffuse",e instanceof ha?(this.uniforms=e.uniforms,this.material=e):e&&(this.uniforms=oa.clone(e.uniforms),this.material=new ha({name:void 0!==e.name?e.name:"unspecified",defines:Object.assign({},e.defines),uniforms:this.uniforms,vertexShader:e.vertexShader,fragmentShader:e.fragmentShader})),this.fsQuad=new of(this.material)}render(e,t,n){this.uniforms[this.textureID]&&(this.uniforms[this.textureID].value=n.texture),this.fsQuad.material=this.material,this.renderToScreen?(e.setRenderTarget(null),this.fsQuad.render(e)):(e.setRenderTarget(t),this.clear&&e.clear(e.autoClearColor,e.autoClearDepth,e.autoClearStencil),this.fsQuad.render(e))}dispose(){this.material.dispose(),this.fsQuad.dispose()}}class cf extends rf{constructor(e,t){super(),this.scene=e,this.camera=t,this.clear=!0,this.needsSwap=!1,this.inverse=!1}render(e,t,n){const i=e.getContext(),r=e.state;let a,s;r.buffers.color.setMask(!1),r.buffers.depth.setMask(!1),r.buffers.color.setLocked(!0),r.buffers.depth.setLocked(!0),this.inverse?(a=0,s=1):(a=1,s=0),r.buffers.stencil.setTest(!0),r.buffers.stencil.setOp(i.REPLACE,i.REPLACE,i.REPLACE),r.buffers.stencil.setFunc(i.ALWAYS,a,4294967295),r.buffers.stencil.setClear(s),r.buffers.stencil.setLocked(!0),e.setRenderTarget(n),this.clear&&e.clear(),e.render(this.scene,this.camera),e.setRenderTarget(t),this.clear&&e.clear(),e.render(this.scene,this.camera),r.buffers.color.setLocked(!1),r.buffers.depth.setLocked(!1),r.buffers.color.setMask(!0),r.buffers.depth.setMask(!0),r.buffers.stencil.setLocked(!1),r.buffers.stencil.setFunc(i.EQUAL,1,4294967295),r.buffers.stencil.setOp(i.KEEP,i.KEEP,i.KEEP),r.buffers.stencil.setLocked(!0)}}class hf extends rf{constructor(){super(),this.needsSwap=!1}render(e){e.state.buffers.stencil.setLocked(!1),e.state.buffers.stencil.setTest(!1)}}class uf{constructor(e,t){if(this.renderer=e,this._pixelRatio=e.getPixelRatio(),void 0===t){const n=e.getSize(new En);this._width=n.width,this._height=n.height,t=new Kn(this._width*this._pixelRatio,this._height*this._pixelRatio,{type:Te}),t.texture.name="EffectComposer.rt1"}else this._width=t.width,this._height=t.height;this.renderTarget1=t,this.renderTarget2=t.clone(),this.renderTarget2.texture.name="EffectComposer.rt2",this.writeBuffer=this.renderTarget1,this.readBuffer=this.renderTarget2,this.renderToScreen=!0,this.passes=[],this.copyPass=new lf(nf),this.copyPass.material.blending=g,this.clock=new Wd}swapBuffers(){const e=this.readBuffer;this.readBuffer=this.writeBuffer,this.writeBuffer=e}addPass(e){this.passes.push(e),e.setSize(this._width*this._pixelRatio,this._height*this._pixelRatio)}insertPass(e,t){this.passes.splice(t,0,e),e.setSize(this._width*this._pixelRatio,this._height*this._pixelRatio)}removePass(e){const t=this.passes.indexOf(e);-1!==t&&this.passes.splice(t,1)}isLastEnabledPass(e){for(let t=e+1;t<this.passes.length;t++)if(this.passes[t].enabled)return!1;return!0}render(e){void 0===e&&(e=this.clock.getDelta());const t=this.renderer.getRenderTarget();let n=!1;for(let i=0,r=this.passes.length;i<r;i++){const t=this.passes[i];if(!1!==t.enabled){if(t.renderToScreen=this.renderToScreen&&this.isLastEnabledPass(i),t.render(this.renderer,this.writeBuffer,this.readBuffer,e,n),t.needsSwap){if(n){const t=this.renderer.getContext(),n=this.renderer.state.buffers.stencil;n.setFunc(t.NOTEQUAL,1,4294967295),this.copyPass.render(this.renderer,this.writeBuffer,this.readBuffer,e),n.setFunc(t.EQUAL,1,4294967295)}this.swapBuffers()}void 0!==cf&&(t instanceof cf?n=!0:t instanceof hf&&(n=!1))}}this.renderer.setRenderTarget(t)}reset(e){if(void 0===e){const t=this.renderer.getSize(new En);this._pixelRatio=this.renderer.getPixelRatio(),this._width=t.width,this._height=t.height,e=this.renderTarget1.clone(),e.setSize(this._width*this._pixelRatio,this._height*this._pixelRatio)}this.renderTarget1.dispose(),this.renderTarget2.dispose(),this.renderTarget1=e,this.renderTarget2=e.clone(),this.writeBuffer=this.renderTarget1,this.readBuffer=this.renderTarget2}setSize(e,t){this._width=e,this._height=t;const n=this._width*this._pixelRatio,i=this._height*this._pixelRatio;this.renderTarget1.setSize(n,i),this.renderTarget2.setSize(n,i);for(let r=0;r<this.passes.length;r++)this.passes[r].setSize(n,i)}setPixelRatio(e){this._pixelRatio=e,this.setSize(this._width,this._height)}dispose(){this.renderTarget1.dispose(),this.renderTarget2.dispose(),this.copyPass.dispose()}}class df extends rf{constructor(e,t,n,i,r){super(),this.scene=e,this.camera=t,this.overrideMaterial=n,this.clearColor=i,this.clearAlpha=void 0!==r?r:0,this.clear=!0,this.clearDepth=!1,this.needsSwap=!1,this._oldClearColor=new xr}render(e,t,n){const i=e.autoClear;let r,a;e.autoClear=!1,void 0!==this.overrideMaterial&&(a=this.scene.overrideMaterial,this.scene.overrideMaterial=this.overrideMaterial),this.clearColor&&(e.getClearColor(this._oldClearColor),r=e.getClearAlpha(),e.setClearColor(this.clearColor,this.clearAlpha)),this.clearDepth&&e.clearDepth(),e.setRenderTarget(this.renderToScreen?null:n),this.clear&&e.clear(e.autoClearColor,e.autoClearDepth,e.autoClearStencil),e.render(this.scene,this.camera),this.clearColor&&e.setClearColor(this._oldClearColor,r),void 0!==this.overrideMaterial&&(this.scene.overrideMaterial=a),e.autoClear=i}}const pf={name:"StarShader",uniforms:{tDiffuse:{value:null},opacity:{value:1},red:{value:1},green:{value:1},blue:{value:1}},vertexShader:"\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvUv = uv;\n\t\t\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 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