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2*Math.acos(Math.abs($e(this.dot(e),-1,1)))}rotateTowards(e,t){const n=this.angleTo(e);if(n===0)return this;const r=Math.min(1,t/n);return this.slerp(e,r),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 e===0?(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,r=e._y,s=e._z,a=e._w,o=t._x,l=t._y,c=t._z,u=t._w;return 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this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}const nf=class nf{constructor(e=0,t=0,n=0){this.x=e,this.y=t,this.z=n}set(e,t,n){return n===void 0&&(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(Nf.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(Nf.setFromAxisAngle(e,t))}applyMatrix3(e){const t=this.x,n=this.y,r=this.z,s=e.elements;return this.x=s[0]*t+s[3]*n+s[6]*r,this.y=s[1]*t+s[4]*n+s[7]*r,this.z=s[2]*t+s[5]*n+s[8]*r,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){const t=this.x,n=this.y,r=this.z,s=e.elements,a=1/(s[3]*t+s[7]*n+s[11]*r+s[15]);return this.x=(s[0]*t+s[4]*n+s[8]*r+s[12])*a,this.y=(s[1]*t+s[5]*n+s[9]*r+s[13])*a,this.z=(s[2]*t+s[6]*n+s[10]*r+s[14])*a,this}applyQuaternion(e){const t=this.x,n=this.y,r=this.z,s=e.x,a=e.y,o=e.z,l=e.w,c=2*(a*r-o*n),u=2*(o*t-s*r),h=2*(s*n-a*t);return this.x=t+l*c+a*h-o*u,this.y=n+l*u+o*c-s*h,this.z=r+l*h+s*u-a*c,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,r=this.z,s=e.elements;return this.x=s[0]*t+s[4]*n+s[8]*r,this.y=s[1]*t+s[5]*n+s[9]*r,this.z=s[2]*t+s[6]*n+s[10]*r,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=$e(this.x,e.x,t.x),this.y=$e(this.y,e.y,t.y),this.z=$e(this.z,e.z,t.z),this}clampScalar(e,t){return this.x=$e(this.x,e,t),this.y=$e(this.y,e,t),this.z=$e(this.z,e,t),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar($e(n,e,t))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this}lerpVectors(e,t,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,r=e.y,s=e.z,a=t.x,o=t.y,l=t.z;return this.x=r*l-s*o,this.y=s*a-n*l,this.z=n*o-r*a,this}projectOnVector(e){const t=e.lengthSq();if(t===0)return this.set(0,0,0);const n=e.dot(this)/t;return this.copy(e).multiplyScalar(n)}projectOnPlane(e){return lu.copy(this).projectOnVector(e),this.sub(lu)}reflect(e){return this.sub(lu.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){const t=Math.sqrt(this.lengthSq()*e.lengthSq());if(t===0)return Math.PI/2;const n=this.dot(e)/t;return Math.acos($e(n,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){const t=this.x-e.x,n=this.y-e.y,r=this.z-e.z;return t*t+n*n+r*r}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 r=Math.sin(t)*e;return this.x=r*Math.sin(n),this.y=Math.cos(t)*e,this.z=r*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(),r=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=n,this.z=r,this}setFromMatrixColumn(e,t){return this.fromArray(e.elements,t*4)}setFromMatrix3Column(e,t){return this.fromArray(e.elements,t*3)}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=Math.random()*Math.PI*2,t=Math.random()*2-1,n=Math.sqrt(1-t*t);return this.x=n*Math.cos(e),this.y=t,this.z=n*Math.sin(e),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}};nf.prototype.isVector3=!0;let P=nf;const lu=new P,Nf=new tn,rf=class rf{constructor(e,t,n,r,s,a,o,l,c){this.elements=[1,0,0,0,1,0,0,0,1],e!==void 0&&this.set(e,t,n,r,s,a,o,l,c)}set(e,t,n,r,s,a,o,l,c){const u=this.elements;return u[0]=e,u[1]=r,u[2]=o,u[3]=t,u[4]=s,u[5]=l,u[6]=n,u[7]=a,u[8]=c,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}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],this}extractBasis(e,t,n){return e.setFromMatrix3Column(this,0),t.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this}setFromMatrix4(e){const t=e.elements;return this.set(t[0],t[4],t[8],t[1],t[5],t[9],t[2],t[6],t[10]),this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){const n=e.elements,r=t.elements,s=this.elements,a=n[0],o=n[3],l=n[6],c=n[1],u=n[4],h=n[7],d=n[2],f=n[5],p=n[8],_=r[0],g=r[3],m=r[6],v=r[1],b=r[4],y=r[7],T=r[2],S=r[5],R=r[8];return s[0]=a*_+o*v+l*T,s[3]=a*g+o*b+l*S,s[6]=a*m+o*y+l*R,s[1]=c*_+u*v+h*T,s[4]=c*g+u*b+h*S,s[7]=c*m+u*y+h*R,s[2]=d*_+f*v+p*T,s[5]=d*g+f*b+p*S,s[8]=d*m+f*y+p*R,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],r=e[2],s=e[3],a=e[4],o=e[5],l=e[6],c=e[7],u=e[8];return t*a*u-t*o*c-n*s*u+n*o*l+r*s*c-r*a*l}invert(){const e=this.elements,t=e[0],n=e[1],r=e[2],s=e[3],a=e[4],o=e[5],l=e[6],c=e[7],u=e[8],h=u*a-o*c,d=o*l-u*s,f=c*s-a*l,p=t*h+n*d+r*f;if(p===0)return this.set(0,0,0,0,0,0,0,0,0);const _=1/p;return e[0]=h*_,e[1]=(r*c-u*n)*_,e[2]=(o*n-r*a)*_,e[3]=d*_,e[4]=(u*t-r*l)*_,e[5]=(r*s-o*t)*_,e[6]=f*_,e[7]=(n*l-c*t)*_,e[8]=(a*t-n*s)*_,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,r,s,a,o){const l=Math.cos(s),c=Math.sin(s);return this.set(n*l,n*c,-n*(l*a+c*o)+a+e,-r*c,r*l,-r*(-c*a+l*o)+o+t,0,0,1),this}scale(e,t){return this.premultiply(cu.makeScale(e,t)),this}rotate(e){return this.premultiply(cu.makeRotation(-e)),this}translate(e,t){return this.premultiply(cu.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 r=0;r<9;r++)if(t[r]!==n[r])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)}};rf.prototype.isMatrix3=!0;let tt=rf;const cu=new tt,Df=new tt().set(.4123908,.3575843,.1804808,.212639,.7151687,.0721923,.0193308,.1191948,.9505322),Of=new tt().set(3.2409699,-1.5373832,-.4986108,-.9692436,1.8759675,.0415551,.0556301,-.203977,1.0569715);function HS(){const i={enabled:!0,workingColorSpace:Ha,spaces:{},convert:function(r,s,a){return this.enabled===!1||s===a||!s||!a||(this.spaces[s].transfer===St&&(r.r=Ii(r.r),r.g=Ii(r.g),r.b=Ii(r.b)),this.spaces[s].primaries!==this.spaces[a].primaries&&(r.applyMatrix3(this.spaces[s].toXYZ),r.applyMatrix3(this.spaces[a].fromXYZ)),this.spaces[a].transfer===St&&(r.r=Ss(r.r),r.g=Ss(r.g),r.b=Ss(r.b))),r},workingToColorSpace:function(r,s){return this.convert(r,this.workingColorSpace,s)},colorSpaceToWorking:function(r,s){return this.convert(r,s,this.workingColorSpace)},getPrimaries:function(r){return this.spaces[r].primaries},getTransfer:function(r){return r===Ci?Ga:this.spaces[r].transfer},getToneMappingMode:function(r){return this.spaces[r].outputColorSpaceConfig.toneMappingMode||"standard"},getLuminanceCoefficients:function(r,s=this.workingColorSpace){return r.fromArray(this.spaces[s].luminanceCoefficients)},define:function(r){Object.assign(this.spaces,r)},_getMatrix:function(r,s,a){return r.copy(this.spaces[s].toXYZ).multiply(this.spaces[a].fromXYZ)},_getDrawingBufferColorSpace:function(r){return this.spaces[r].outputColorSpaceConfig.drawingBufferColorSpace},_getUnpackColorSpace:function(r=this.workingColorSpace){return this.spaces[r].workingColorSpaceConfig.unpackColorSpace},fromWorkingColorSpace:function(r,s){return ac("ColorManagement: .fromWorkingColorSpace() has been renamed to .workingToColorSpace()."),i.workingToColorSpace(r,s)},toWorkingColorSpace:function(r,s){return ac("ColorManagement: .toWorkingColorSpace() has been renamed to .colorSpaceToWorking()."),i.colorSpaceToWorking(r,s)}},e=[.64,.33,.3,.6,.15,.06],t=[.2126,.7152,.0722],n=[.3127,.329];return i.define({[Ha]:{primaries:e,whitePoint:n,transfer:Ga,toXYZ:Df,fromXYZ:Of,luminanceCoefficients:t,workingColorSpaceConfig:{unpackColorSpace:Tn},outputColorSpaceConfig:{drawingBufferColorSpace:Tn}},[Tn]:{primaries:e,whitePoint:n,transfer:St,toXYZ:Df,fromXYZ:Of,luminanceCoefficients:t,outputColorSpaceConfig:{drawingBufferColorSpace:Tn}}}),i}const dt=HS();function Ii(i){return i<.04045?i*.0773993808:Math.pow(i*.9478672986+.0521327014,2.4)}function Ss(i){return i<.0031308?i*12.92:1.055*Math.pow(i,.41666)-.055}let qr;class d_{static getDataURL(e,t="image/png"){if(/^data:/i.test(e.src)||typeof HTMLCanvasElement>"u")return e.src;let n;if(e instanceof HTMLCanvasElement)n=e;else{qr===void 0&&(qr=Xa("canvas")),qr.width=e.width,qr.height=e.height;const r=qr.getContext("2d");e instanceof ImageData?r.putImageData(e,0,0):r.drawImage(e,0,0,e.width,e.height),n=qr}return n.toDataURL(t)}static sRGBToLinear(e){if(typeof HTMLImageElement<"u"&&e instanceof HTMLImageElement||typeof HTMLCanvasElement<"u"&&e instanceof HTMLCanvasElement||typeof ImageBitmap<"u"&&e instanceof ImageBitmap){const t=Xa("canvas");t.width=e.width,t.height=e.height;const n=t.getContext("2d");n.drawImage(e,0,0,e.width,e.height);const r=n.getImageData(0,0,e.width,e.height),s=r.data;for(let a=0;a<s.length;a++)s[a]=Ii(s[a]/255)*255;return n.putImageData(r,0,0),t}else if(e.data){const t=e.data.slice(0);for(let n=0;n<t.length;n++)t instanceof Uint8Array||t instanceof Uint8ClampedArray?t[n]=Math.floor(Ii(t[n]/255)*255):t[n]=Ii(t[n]);return{data:t,width:e.width,height:e.height}}else return _e("ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),e}}let GS=0;class Yi{constructor(e=null){this.isSource=!0,Object.defineProperty(this,"id",{value:GS++}),this.uuid=Fn(),this.data=e,this.dataReady=!0,this.version=0}getSize(e){const t=this.data;return typeof HTMLVideoElement<"u"&&t instanceof HTMLVideoElement?e.set(t.videoWidth,t.videoHeight,0):typeof VideoFrame<"u"&&t instanceof VideoFrame?e.set(t.displayWidth,t.displayHeight,0):t!==null?e.set(t.width,t.height,t.depth||0):e.set(0,0,0),e}set needsUpdate(e){e===!0&&this.version++}toJSON(e){const t=e===void 0||typeof e=="string";if(!t&&e.images[this.uuid]!==void 0)return e.images[this.uuid];const n={uuid:this.uuid,url:""},r=this.data;if(r!==null){let s;if(Array.isArray(r)){s=[];for(let a=0,o=r.length;a<o;a++)r[a].isDataTexture?s.push(uu(r[a].image)):s.push(uu(r[a]))}else s=uu(r);n.url=s}return t||(e.images[this.uuid]=n),n}}function uu(i){return typeof HTMLImageElement<"u"&&i instanceof HTMLImageElement||typeof HTMLCanvasElement<"u"&&i instanceof HTMLCanvasElement||typeof ImageBitmap<"u"&&i instanceof ImageBitmap?d_.getDataURL(i):i.data?{data:Array.from(i.data),width:i.width,height:i.height,type:i.data.constructor.name}:(_e("Texture: Unable to serialize Texture."),{})}let WS=0;const hu=new P;class Ft extends ii{constructor(e=Ft.DEFAULT_IMAGE,t=Ft.DEFAULT_MAPPING,n=An,r=An,s=Lt,a=di,o=xn,l=wn,c=Ft.DEFAULT_ANISOTROPY,u=Ci){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:WS++}),this.uuid=Fn(),this.name="",this.source=new Yi(e),this.mipmaps=[],this.mapping=t,this.channel=0,this.wrapS=n,this.wrapT=r,this.magFilter=s,this.minFilter=a,this.anisotropy=c,this.format=o,this.internalFormat=null,this.type=l,this.offset=new j(0,0),this.repeat=new j(1,1),this.center=new j(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new tt,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.colorSpace=u,this.userData={},this.updateRanges=[],this.version=0,this.onUpdate=null,this.renderTarget=null,this.isRenderTargetTexture=!1,this.isArrayTexture=!!(e&&e.depth&&e.depth>1),this.pmremVersion=0,this.normalized=!1}get width(){return this.source.getSize(hu).x}get height(){return this.source.getSize(hu).y}get depth(){return this.source.getSize(hu).z}get image(){return this.source.data}set image(e){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)}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}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.normalized=e.normalized,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.renderTarget=e.renderTarget,this.isRenderTargetTexture=e.isRenderTargetTexture,this.isArrayTexture=e.isArrayTexture,this.userData=JSON.parse(JSON.stringify(e.userData)),this.needsUpdate=!0,this}setValues(e){for(const t in e){const n=e[t];if(n===void 0){_e(`Texture.setValues(): parameter '${t}' has value of undefined.`);continue}const r=this[t];if(r===void 0){_e(`Texture.setValues(): property '${t}' does not exist.`);continue}r&&n&&r.isVector2&&n.isVector2||r&&n&&r.isVector3&&n.isVector3||r&&n&&r.isMatrix3&&n.isMatrix3?r.copy(n):this[t]=n}}toJSON(e){const t=e===void 0||typeof e=="string";if(!t&&e.textures[this.uuid]!==void 0)return e.textures[this.uuid];const n={metadata:{version:4.7,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,normalized:this.normalized,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!==Sc)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case Ua:e.x=e.x-Math.floor(e.x);break;case An:e.x=e.x<0?0:1;break;case Fa:Math.abs(Math.floor(e.x)%2)===1?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 Ua:e.y=e.y-Math.floor(e.y);break;case An:e.y=e.y<0?0:1;break;case Fa:Math.abs(Math.floor(e.y)%2)===1?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){e===!0&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(e){e===!0&&this.pmremVersion++}}Ft.DEFAULT_IMAGE=null;Ft.DEFAULT_MAPPING=Sc;Ft.DEFAULT_ANISOTROPY=1;const sf=class sf{constructor(e=0,t=0,n=0,r=1){this.x=e,this.y=t,this.z=n,this.w=r}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,r){return this.x=e,this.y=t,this.z=n,this.w=r,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=e.w!==void 0?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,r=this.z,s=this.w,a=e.elements;return this.x=a[0]*t+a[4]*n+a[8]*r+a[12]*s,this.y=a[1]*t+a[5]*n+a[9]*r+a[13]*s,this.z=a[2]*t+a[6]*n+a[10]*r+a[14]*s,this.w=a[3]*t+a[7]*n+a[11]*r+a[15]*s,this}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this.w/=e.w,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,r,s;const l=e.elements,c=l[0],u=l[4],h=l[8],d=l[1],f=l[5],p=l[9],_=l[2],g=l[6],m=l[10];if(Math.abs(u-d)<.01&&Math.abs(h-_)<.01&&Math.abs(p-g)<.01){if(Math.abs(u+d)<.1&&Math.abs(h+_)<.1&&Math.abs(p+g)<.1&&Math.abs(c+f+m-3)<.1)return this.set(1,0,0,0),this;t=Math.PI;const b=(c+1)/2,y=(f+1)/2,T=(m+1)/2,S=(u+d)/4,R=(h+_)/4,x=(p+g)/4;return b>y&&b>T?b<.01?(n=0,r=.707106781,s=.707106781):(n=Math.sqrt(b),r=S/n,s=R/n):y>T?y<.01?(n=.707106781,r=0,s=.707106781):(r=Math.sqrt(y),n=S/r,s=x/r):T<.01?(n=.707106781,r=.707106781,s=0):(s=Math.sqrt(T),n=R/s,r=x/s),this.set(n,r,s,t),this}let v=Math.sqrt((g-p)*(g-p)+(h-_)*(h-_)+(d-u)*(d-u));return Math.abs(v)<.001&&(v=1),this.x=(g-p)/v,this.y=(h-_)/v,this.z=(d-u)/v,this.w=Math.acos((c+f+m-1)/2),this}setFromMatrixPosition(e){const t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this.w=t[15],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=$e(this.x,e.x,t.x),this.y=$e(this.y,e.y,t.y),this.z=$e(this.z,e.z,t.z),this.w=$e(this.w,e.w,t.w),this}clampScalar(e,t){return this.x=$e(this.x,e,t),this.y=$e(this.y,e,t),this.z=$e(this.z,e,t),this.w=$e(this.w,e,t),this}clampLength(e,t){const n=this.length();return this.divideScalar(n||1).multiplyScalar($e(n,e,t))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this.w=Math.trunc(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this.w+=(e.w-this.w)*t,this}lerpVectors(e,t,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}};sf.prototype.isVector4=!0;let Et=sf;class _d extends ii{constructor(e=1,t=1,n={}){super(),n=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:Lt,depthBuffer:!0,stencilBuffer:!1,resolveDepthBuffer:!0,resolveStencilBuffer:!0,depthTexture:null,samples:0,count:1,depth:1,multiview:!1},n),this.isRenderTarget=!0,this.width=e,this.height=t,this.depth=n.depth,this.scissor=new Et(0,0,e,t),this.scissorTest=!1,this.viewport=new Et(0,0,e,t),this.textures=[];const r={width:e,height:t,depth:n.depth},s=new Ft(r),a=n.count;for(let o=0;o<a;o++)this.textures[o]=s.clone(),this.textures[o].isRenderTargetTexture=!0,this.textures[o].renderTarget=this;this._setTextureOptions(n),this.depthBuffer=n.depthBuffer,this.stencilBuffer=n.stencilBuffer,this.resolveDepthBuffer=n.resolveDepthBuffer,this.resolveStencilBuffer=n.resolveStencilBuffer,this._depthTexture=null,this.depthTexture=n.depthTexture,this.samples=n.samples,this.multiview=n.multiview}_setTextureOptions(e={}){const t={minFilter:Lt,generateMipmaps:!1,flipY:!1,internalFormat:null};e.mapping!==void 0&&(t.mapping=e.mapping),e.wrapS!==void 0&&(t.wrapS=e.wrapS),e.wrapT!==void 0&&(t.wrapT=e.wrapT),e.wrapR!==void 0&&(t.wrapR=e.wrapR),e.magFilter!==void 0&&(t.magFilter=e.magFilter),e.minFilter!==void 0&&(t.minFilter=e.minFilter),e.format!==void 0&&(t.format=e.format),e.type!==void 0&&(t.type=e.type),e.anisotropy!==void 0&&(t.anisotropy=e.anisotropy),e.colorSpace!==void 0&&(t.colorSpace=e.colorSpace),e.flipY!==void 0&&(t.flipY=e.flipY),e.generateMipmaps!==void 0&&(t.generateMipmaps=e.generateMipmaps),e.internalFormat!==void 0&&(t.internalFormat=e.internalFormat);for(let n=0;n<this.textures.length;n++)this.textures[n].setValues(t)}get texture(){return this.textures[0]}set texture(e){this.textures[0]=e}set depthTexture(e){this._depthTexture!==null&&(this._depthTexture.renderTarget=null),e!==null&&(e.renderTarget=this),this._depthTexture=e}get depthTexture(){return this._depthTexture}setSize(e,t,n=1){if(this.width!==e||this.height!==t||this.depth!==n){this.width=e,this.height=t,this.depth=n;for(let r=0,s=this.textures.length;r<s;r++)this.textures[r].image.width=e,this.textures[r].image.height=t,this.textures[r].image.depth=n,this.textures[r].isData3DTexture!==!0&&(this.textures[r].isArrayTexture=this.textures[r].image.depth>1);this.dispose()}this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}clone(){return new this.constructor().copy(this)}copy(e){this.width=e.width,this.height=e.height,this.depth=e.depth,this.scissor.copy(e.scissor),this.scissorTest=e.scissorTest,this.viewport.copy(e.viewport),this.textures.length=0;for(let t=0,n=e.textures.length;t<n;t++){this.textures[t]=e.textures[t].clone(),this.textures[t].isRenderTargetTexture=!0,this.textures[t].renderTarget=this;const r=Object.assign({},e.textures[t].image);this.textures[t].source=new Yi(r)}return this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,this.resolveDepthBuffer=e.resolveDepthBuffer,this.resolveStencilBuffer=e.resolveStencilBuffer,e.depthTexture!==null&&(this.depthTexture=e.depthTexture.clone()),this.samples=e.samples,this.multiview=e.multiview,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Bn extends _d{constructor(e=1,t=1,n={}){super(e,t,n),this.isWebGLRenderTarget=!0}}class Lc extends Ft{constructor(e=null,t=1,n=1,r=1){super(null),this.isDataArrayTexture=!0,this.image={data:e,width:t,height:n,depth:r},this.magFilter=Xt,this.minFilter=Xt,this.wrapR=An,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.layerUpdates=new Set}addLayerUpdate(e){this.layerUpdates.add(e)}clearLayerUpdates(){this.layerUpdates.clear()}}class XS extends Bn{constructor(e=1,t=1,n=1,r={}){super(e,t,r),this.isWebGLArrayRenderTarget=!0,this.depth=n,this.texture=new Lc(null,e,t,n),this._setTextureOptions(r),this.texture.isRenderTargetTexture=!0}}class Nc extends Ft{constructor(e=null,t=1,n=1,r=1){super(null),this.isData3DTexture=!0,this.image={data:e,width:t,height:n,depth:r},this.magFilter=Xt,this.minFilter=Xt,this.wrapR=An,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class qS extends Bn{constructor(e=1,t=1,n=1,r={}){super(e,t,r),this.isWebGL3DRenderTarget=!0,this.depth=n,this.texture=new Nc(null,e,t,n),this._setTextureOptions(r),this.texture.isRenderTargetTexture=!0}}const _c=class _c{constructor(e,t,n,r,s,a,o,l,c,u,h,d,f,p,_,g){this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],e!==void 0&&this.set(e,t,n,r,s,a,o,l,c,u,h,d,f,p,_,g)}set(e,t,n,r,s,a,o,l,c,u,h,d,f,p,_,g){const m=this.elements;return m[0]=e,m[4]=t,m[8]=n,m[12]=r,m[1]=s,m[5]=a,m[9]=o,m[13]=l,m[2]=c,m[6]=u,m[10]=h,m[14]=d,m[3]=f,m[7]=p,m[11]=_,m[15]=g,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 _c().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 this.determinant()===0?(e.set(1,0,0),t.set(0,1,0),n.set(0,0,1),this):(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){if(e.determinant()===0)return this.identity();const t=this.elements,n=e.elements,r=1/$r.setFromMatrixColumn(e,0).length(),s=1/$r.setFromMatrixColumn(e,1).length(),a=1/$r.setFromMatrixColumn(e,2).length();return t[0]=n[0]*r,t[1]=n[1]*r,t[2]=n[2]*r,t[3]=0,t[4]=n[4]*s,t[5]=n[5]*s,t[6]=n[6]*s,t[7]=0,t[8]=n[8]*a,t[9]=n[9]*a,t[10]=n[10]*a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){const t=this.elements,n=e.x,r=e.y,s=e.z,a=Math.cos(n),o=Math.sin(n),l=Math.cos(r),c=Math.sin(r),u=Math.cos(s),h=Math.sin(s);if(e.order==="XYZ"){const d=a*u,f=a*h,p=o*u,_=o*h;t[0]=l*u,t[4]=-l*h,t[8]=c,t[1]=f+p*c,t[5]=d-_*c,t[9]=-o*l,t[2]=_-d*c,t[6]=p+f*c,t[10]=a*l}else if(e.order==="YXZ"){const d=l*u,f=l*h,p=c*u,_=c*h;t[0]=d+_*o,t[4]=p*o-f,t[8]=a*c,t[1]=a*h,t[5]=a*u,t[9]=-o,t[2]=f*o-p,t[6]=_+d*o,t[10]=a*l}else if(e.order==="ZXY"){const d=l*u,f=l*h,p=c*u,_=c*h;t[0]=d-_*o,t[4]=-a*h,t[8]=p+f*o,t[1]=f+p*o,t[5]=a*u,t[9]=_-d*o,t[2]=-a*c,t[6]=o,t[10]=a*l}else if(e.order==="ZYX"){const d=a*u,f=a*h,p=o*u,_=o*h;t[0]=l*u,t[4]=p*c-f,t[8]=d*c+_,t[1]=l*h,t[5]=_*c+d,t[9]=f*c-p,t[2]=-c,t[6]=o*l,t[10]=a*l}else if(e.order==="YZX"){const d=a*l,f=a*c,p=o*l,_=o*c;t[0]=l*u,t[4]=_-d*h,t[8]=p*h+f,t[1]=h,t[5]=a*u,t[9]=-o*u,t[2]=-c*u,t[6]=f*h+p,t[10]=d-_*h}else if(e.order==="XZY"){const d=a*l,f=a*c,p=o*l,_=o*c;t[0]=l*u,t[4]=-h,t[8]=c*u,t[1]=d*h+_,t[5]=a*u,t[9]=f*h-p,t[2]=p*h-f,t[6]=o*u,t[10]=_*h+d}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromQuaternion(e){return this.compose($S,e,YS)}lookAt(e,t,n){const r=this.elements;return Pn.subVectors(e,t),Pn.lengthSq()===0&&(Pn.z=1),Pn.normalize(),ki.crossVectors(n,Pn),ki.lengthSq()===0&&(Math.abs(n.z)===1?Pn.x+=1e-4:Pn.z+=1e-4,Pn.normalize(),ki.crossVectors(n,Pn)),ki.normalize(),_o.crossVectors(Pn,ki),r[0]=ki.x,r[4]=_o.x,r[8]=Pn.x,r[1]=ki.y,r[5]=_o.y,r[9]=Pn.y,r[2]=ki.z,r[6]=_o.z,r[10]=Pn.z,this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){const n=e.elements,r=t.elements,s=this.elements,a=n[0],o=n[4],l=n[8],c=n[12],u=n[1],h=n[5],d=n[9],f=n[13],p=n[2],_=n[6],g=n[10],m=n[14],v=n[3],b=n[7],y=n[11],T=n[15],S=r[0],R=r[4],x=r[8],M=r[12],A=r[1],I=r[5],N=r[9],U=r[13],k=r[2],L=r[6],F=r[10],O=r[14],X=r[3],$=r[7],te=r[11],ue=r[15];

1return s[0]=a*S+o*A+l*k+c*X,s[4]=a*R+o*I+l*L+c*$,s[8]=a*x+o*N+l*F+c*te,s[12]=a*M+o*U+l*O+c*ue,s[1]=u*S+h*A+d*k+f*X,s[5]=u*R+h*I+d*L+f*$,s[9]=u*x+h*N+d*F+f*te,s[13]=u*M+h*U+d*O+f*ue,s[2]=p*S+_*A+g*k+m*X,s[6]=p*R+_*I+g*L+m*$,s[10]=p*x+_*N+g*F+m*te,s[14]=p*M+_*U+g*O+m*ue,s[3]=v*S+b*A+y*k+T*X,s[7]=v*R+b*I+y*L+T*$,s[11]=v*x+b*N+y*F+T*te,s[15]=v*M+b*U+y*O+T*ue,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],r=e[8],s=e[12],a=e[1],o=e[5],l=e[9],c=e[13],u=e[2],h=e[6],d=e[10],f=e[14],p=e[3],_=e[7],g=e[11],m=e[15],v=l*f-c*d,b=o*f-c*h,y=o*d-l*h,T=a*f-c*u,S=a*d-l*u,R=a*h-o*u;return t*(_*v-g*b+m*y)-n*(p*v-g*T+m*S)+r*(p*b-_*T+m*R)-s*(p*y-_*S+g*R)}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 r=this.elements;return e.isVector3?(r[12]=e.x,r[13]=e.y,r[14]=e.z):(r[12]=e,r[13]=t,r[14]=n),this}invert(){const e=this.elements,t=e[0],n=e[1],r=e[2],s=e[3],a=e[4],o=e[5],l=e[6],c=e[7],u=e[8],h=e[9],d=e[10],f=e[11],p=e[12],_=e[13],g=e[14],m=e[15],v=t*o-n*a,b=t*l-r*a,y=t*c-s*a,T=n*l-r*o,S=n*c-s*o,R=r*c-s*l,x=u*_-h*p,M=u*g-d*p,A=u*m-f*p,I=h*g-d*_,N=h*m-f*_,U=d*m-f*g,k=v*U-b*N+y*I+T*A-S*M+R*x;if(k===0)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const L=1/k;return e[0]=(o*U-l*N+c*I)*L,e[1]=(r*N-n*U-s*I)*L,e[2]=(_*R-g*S+m*T)*L,e[3]=(d*S-h*R-f*T)*L,e[4]=(l*A-a*U-c*M)*L,e[5]=(t*U-r*A+s*M)*L,e[6]=(g*y-p*R-m*b)*L,e[7]=(u*R-d*y+f*b)*L,e[8]=(a*N-o*A+c*x)*L,e[9]=(n*A-t*N-s*x)*L,e[10]=(p*S-_*y+m*v)*L,e[11]=(h*y-u*S-f*v)*L,e[12]=(o*M-a*I-l*x)*L,e[13]=(t*I-n*M+r*x)*L,e[14]=(_*b-p*T-g*v)*L,e[15]=(u*T-h*b+d*v)*L,this}scale(e){const t=this.elements,n=e.x,r=e.y,s=e.z;return t[0]*=n,t[4]*=r,t[8]*=s,t[1]*=n,t[5]*=r,t[9]*=s,t[2]*=n,t[6]*=r,t[10]*=s,t[3]*=n,t[7]*=r,t[11]*=s,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],r=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,n,r))}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),r=Math.sin(t),s=1-n,a=e.x,o=e.y,l=e.z,c=s*a,u=s*o;return this.set(c*a+n,c*o-r*l,c*l+r*o,0,c*o+r*l,u*o+n,u*l-r*a,0,c*l-r*o,u*l+r*a,s*l*l+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,r,s,a){return this.set(1,n,s,0,e,1,a,0,t,r,1,0,0,0,0,1),this}compose(e,t,n){const r=this.elements,s=t._x,a=t._y,o=t._z,l=t._w,c=s+s,u=a+a,h=o+o,d=s*c,f=s*u,p=s*h,_=a*u,g=a*h,m=o*h,v=l*c,b=l*u,y=l*h,T=n.x,S=n.y,R=n.z;return r[0]=(1-(_+m))*T,r[1]=(f+y)*T,r[2]=(p-b)*T,r[3]=0,r[4]=(f-y)*S,r[5]=(1-(d+m))*S,r[6]=(g+v)*S,r[7]=0,r[8]=(p+b)*R,r[9]=(g-v)*R,r[10]=(1-(d+_))*R,r[11]=0,r[12]=e.x,r[13]=e.y,r[14]=e.z,r[15]=1,this}decompose(e,t,n){const r=this.elements;e.x=r[12],e.y=r[13],e.z=r[14];const s=this.determinant();if(s===0)return n.set(1,1,1),t.identity(),this;let a=$r.set(r[0],r[1],r[2]).length();const o=$r.set(r[4],r[5],r[6]).length(),l=$r.set(r[8],r[9],r[10]).length();s<0&&(a=-a),qn.copy(this);const c=1/a,u=1/o,h=1/l;return qn.elements[0]*=c,qn.elements[1]*=c,qn.elements[2]*=c,qn.elements[4]*=u,qn.elements[5]*=u,qn.elements[6]*=u,qn.elements[8]*=h,qn.elements[9]*=h,qn.elements[10]*=h,t.setFromRotationMatrix(qn),n.x=a,n.y=o,n.z=l,this}makePerspective(e,t,n,r,s,a,o=Un,l=!1){const c=this.elements,u=2*s/(t-e),h=2*s/(n-r),d=(t+e)/(t-e),f=(n+r)/(n-r);let p,_;if(l)p=s/(a-s),_=a*s/(a-s);else if(o===Un)p=-(a+s)/(a-s),_=-2*a*s/(a-s);else if(o===Ur)p=-a/(a-s),_=-a*s/(a-s);else throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+o);return c[0]=u,c[4]=0,c[8]=d,c[12]=0,c[1]=0,c[5]=h,c[9]=f,c[13]=0,c[2]=0,c[6]=0,c[10]=p,c[14]=_,c[3]=0,c[7]=0,c[11]=-1,c[15]=0,this}

1makeOrthographic(e,t,n,r,s,a,o=Un,l=!1){const c=this.elements,u=2/(t-e),h=2/(n-r),d=-(t+e)/(t-e),f=-(n+r)/(n-r);let p,_;if(l)p=1/(a-s),_=a/(a-s);else if(o===Un)p=-2/(a-s),_=-(a+s)/(a-s);else if(o===Ur)p=-1/(a-s),_=-s/(a-s);else throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+o);return c[0]=u,c[4]=0,c[8]=0,c[12]=d,c[1]=0,c[5]=h,c[9]=0,c[13]=f,c[2]=0,c[6]=0,c[10]=p,c[14]=_,c[3]=0,c[7]=0,c[11]=0,c[15]=1,this}equals(e){const t=this.elements,n=e.elements;for(let r=0;r<16;r++)if(t[r]!==n[r])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}};_c.prototype.isMatrix4=!0;let We=_c;const $r=new P,qn=new We,$S=new P(0,0,0),YS=new P(1,1,1),ki=new P,_o=new P,Pn=new P,Uf=new We,Ff=new tn;class ni{constructor(e=0,t=0,n=0,r=ni.DEFAULT_ORDER){this.isEuler=!0,this._x=e,this._y=t,this._z=n,this._order=r}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,r=this._order){return this._x=e,this._y=t,this._z=n,this._order=r,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 r=e.elements,s=r[0],a=r[4],o=r[8],l=r[1],c=r[5],u=r[9],h=r[2],d=r[6],f=r[10];switch(t){case"XYZ":this._y=Math.asin($e(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-u,f),this._z=Math.atan2(-a,s)):(this._x=Math.atan2(d,c),this._z=0);break;case"YXZ":this._x=Math.asin(-$e(u,-1,1)),Math.abs(u)<.9999999?(this._y=Math.atan2(o,f),this._z=Math.atan2(l,c)):(this._y=Math.atan2(-h,s),this._z=0);break;case"ZXY":this._x=Math.asin($e(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(-h,f),this._z=Math.atan2(-a,c)):(this._y=0,this._z=Math.atan2(l,s));break;case"ZYX":this._y=Math.asin(-$e(h,-1,1)),Math.abs(h)<.9999999?(this._x=Math.atan2(d,f),this._z=Math.atan2(l,s)):(this._x=0,this._z=Math.atan2(-a,c));break;case"YZX":this._z=Math.asin($e(l,-1,1)),Math.abs(l)<.9999999?(this._x=Math.atan2(-u,c),this._y=Math.atan2(-h,s)):(this._x=0,this._y=Math.atan2(o,f));break;case"XZY":this._z=Math.asin(-$e(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(d,c),this._y=Math.atan2(o,s)):(this._x=Math.atan2(-u,f),this._y=0);break;default:_e("Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,n===!0&&this._onChangeCallback(),this}setFromQuaternion(e,t,n){return Uf.makeRotationFromQuaternion(e),this.setFromRotationMatrix(Uf,t,n)}setFromVector3(e,t=this._order){return this.set(e.x,e.y,e.z,t)}reorder(e){return Ff.setFromEuler(this),this.setFromQuaternion(Ff,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],e[3]!==void 0&&(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}}ni.DEFAULT_ORDER="XYZ";class ao{constructor(){this.mask=1}set(e){this.mask=(1<<e|0)>>>0}enable(e){this.mask|=1<<e|0}enableAll(){this.mask=-1}toggle(e){this.mask^=1<<e|0}disable(e){this.mask&=~(1<<e|0)}disableAll(){this.mask=0}test(e){return(this.mask&e.mask)!==0}isEnabled(e){return(this.mask&(1<<e|0))!==0}}let ZS=0;const Bf=new P,Yr=new tn,yi=new We,vo=new P,Ks=new P,KS=new P,JS=new tn,kf=new P(1,0,0),Vf=new P(0,1,0),zf=new P(0,0,1),Hf={type:"added"},jS={type:"removed"},Zr={type:"childadded",child:null},du={type:"childremoved",child:null};class pt extends ii{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:ZS++}),this.uuid=Fn(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=pt.DEFAULT_UP.clone();const e=new P,t=new ni,n=new tn,r=new P(1,1,1);function s(){n.setFromEuler(t,!1)}function a(){t.setFromQuaternion(n,void 0,!1)}t._onChange(s),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:r},modelViewMatrix:{value:new We},normalMatrix:{value:new tt}}),this.matrix=new We,this.matrixWorld=new We,this.matrixAutoUpdate=pt.DEFAULT_MATRIX_AUTO_UPDATE,this.matrixWorldAutoUpdate=pt.DEFAULT_MATRIX_WORLD_AUTO_UPDATE,this.matrixWorldNeedsUpdate=!1,this.layers=new ao,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.customDepthMaterial=void 0,this.customDistanceMaterial=void 0,this.static=!1,this.userData={},this.pivot=null}onBeforeShadow(){}onAfterShadow(){}onBeforeRender(){}onAfterRender(){}applyMatrix4(e){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(e),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(e){return this.quaternion.premultiply(e),this}setRotationFromAxisAngle(e,t){this.quaternion.setFromAxisAngle(e,t)}setRotationFromEuler(e){this.quaternion.setFromEuler(e,!0)}setRotationFromMatrix(e){this.quaternion.setFromRotationMatrix(e)}setRotationFromQuaternion(e){this.quaternion.copy(e)}rotateOnAxis(e,t){return Yr.setFromAxisAngle(e,t),this.quaternion.multiply(Yr),this}rotateOnWorldAxis(e,t){return Yr.setFromAxisAngle(e,t),this.quaternion.premultiply(Yr),this}rotateX(e){return this.rotateOnAxis(kf,e)}rotateY(e){return this.rotateOnAxis(Vf,e)}rotateZ(e){return this.rotateOnAxis(zf,e)}translateOnAxis(e,t){return Bf.copy(e).applyQuaternion(this.quaternion),this.position.add(Bf.multiplyScalar(t)),this}translateX(e){return this.translateOnAxis(kf,e)}translateY(e){return this.translateOnAxis(Vf,e)}translateZ(e){return this.translateOnAxis(zf,e)}localToWorld(e){return this.updateWorldMatrix(!0,!1),e.applyMatrix4(this.matrixWorld)}worldToLocal(e){return this.updateWorldMatrix(!0,!1),e.applyMatrix4(yi.copy(this.matrixWorld).invert())}lookAt(e,t,n){e.isVector3?vo.copy(e):vo.set(e,t,n);const r=this.parent;this.updateWorldMatrix(!0,!1),Ks.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?yi.lookAt(Ks,vo,this.up):yi.lookAt(vo,Ks,this.up),this.quaternion.setFromRotationMatrix(yi),r&&(yi.extractRotation(r.matrixWorld),Yr.setFromRotationMatrix(yi),this.quaternion.premultiply(Yr.invert()))}add(e){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.add(arguments[t]);return this}return e===this?(Oe("Object3D.add: object can't be added as a child of itself.",e),this):(e&&e.isObject3D?(e.removeFromParent(),e.parent=this,this.children.push(e),e.dispatchEvent(Hf),Zr.child=e,this.dispatchEvent(Zr),Zr.child=null):Oe("Object3D.add: object not an instance of THREE.Object3D.",e),this)}remove(e){if(arguments.length>1){for(let n=0;n<arguments.length;n++)this.remove(arguments[n]);return this}const t=this.children.indexOf(e);return t!==-1&&(e.parent=null,this.children.splice(t,1),e.dispatchEvent(jS),du.child=e,this.dispatchEvent(du),du.child=null),this}removeFromParent(){const e=this.parent;return e!==null&&e.remove(this),this}clear(){return this.remove(...this.children)}attach(e){return this.updateWorldMatrix(!0,!1),yi.copy(this.matrixWorld).invert(),e.parent!==null&&(e.parent.updateWorldMatrix(!0,!1),yi.multiply(e.parent.matrixWorld)),e.applyMatrix4(yi),e.removeFromParent(),e.parent=this,this.children.push(e),e.updateWorldMatrix(!1,!0),e.dispatchEvent(Hf),Zr.child=e,this.dispatchEvent(Zr),Zr.child=null,this}getObjectById(e){return this.getObjectByProperty("id",e)}getObjectByName(e){return this.getObjectByProperty("name",e)}getObjectByProperty(e,t){if(this[e]===t)return this;for(let n=0,r=this.children.length;n<r;n++){const a=this.children[n].getObjectByProperty(e,t);if(a!==void 0)return a}}getObjectsByProperty(e,t,n=[]){this[e]===t&&n.push(this);const r=this.children;for(let s=0,a=r.length;s<a;s++)r[s].getObjectsByProperty(e,t,n);return n}getWorldPosition(e){return this.updateWorldMatrix(!0,!1),e.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(Ks,e,KS),e}getWorldScale(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(Ks,JS,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,r=t.length;n<r;n++)t[n].traverse(e)}traverseVisible(e){if(this.visible===!1)return;e(this);const t=this.children;for(let n=0,r=t.length;n<r;n++)t[n].traverseVisible(e)}traverseAncestors(e){const t=this.parent;t!==null&&(e(t),t.traverseAncestors(e))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale);const e=this.pivot;if(e!==null){const t=e.x,n=e.y,r=e.z,s=this.matrix.elements;s[12]+=t-s[0]*t-s[4]*n-s[8]*r,s[13]+=n-s[1]*t-s[5]*n-s[9]*r,s[14]+=r-s[2]*t-s[6]*n-s[10]*r}this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(e){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||e)&&(this.matrixWorldAutoUpdate===!0&&(this.parent===null?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,r=t.length;n<r;n++)t[n].updateMatrixWorld(e)}updateWorldMatrix(e,t){const n=this.parent;if(e===!0&&n!==null&&n.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),this.matrixWorldAutoUpdate===!0&&(this.parent===null?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix)),t===!0){const r=this.children;for(let s=0,a=r.length;s<a;s++)r[s].updateWorldMatrix(!1,!0)}}toJSON(e){const t=e===void 0||typeof e=="string",n={};t&&(e={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},n.metadata={version:4.7,type:"Object",generator:"Object3D.toJSON"});const r={};r.uuid=this.uuid,r.type=this.type,this.name!==""&&(r.name=this.name),this.castShadow===!0&&(r.castShadow=!0),this.receiveShadow===!0&&(r.receiveShadow=!0),this.visible===!1&&(r.visible=!1),this.frustumCulled===!1&&(r.frustumCulled=!1),this.renderOrder!==0&&(r.renderOrder=this.renderOrder),this.static!==!1&&(r.static=this.static),Object.keys(this.userData).length>0&&(r.userData=this.userData),r.layers=this.layers.mask,r.matrix=this.matrix.toArray(),r.up=this.up.toArray(),this.pivot!==null&&(r.pivot=this.pivot.toArray()),this.matrixAutoUpdate===!1&&(r.matrixAutoUpdate=!1),this.morphTargetDictionary!==void 0&&(r.morphTargetDictionary=Object.assign({},this.morphTargetDictionary)),this.morphTargetInfluences!==void 0&&(r.morphTargetInfluences=this.morphTargetInfluences.slice()),this.isInstancedMesh&&(r.type="InstancedMesh",r.count=this.count,r.instanceMatrix=this.instanceMatrix.toJSON(),this.instanceColor!==null&&(r.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(r.type="BatchedMesh",r.perObjectFrustumCulled=this.perObjectFrustumCulled,r.sortObjects=this.sortObjects,r.drawRanges=this._drawRanges,r.reservedRanges=this._reservedRanges,r.geometryInfo=this._geometryInfo.map(o=>({...o,boundingBox:o.boundingBox?o.boundingBox.toJSON():void 0,boundingSphere:o.boundingSphere?o.boundingSphere.toJSON():void 0})),r.instanceInfo=this._instanceInfo.map(o=>({...o})),r.availableInstanceIds=this._availableInstanceIds.slice(),r.availableGeometryIds=this._availableGeometryIds.slice(),r.nextIndexStart=this._nextIndexStart,r.nextVertexStart=this._nextVertexStart,r.geometryCount=this._geometryCount,r.maxInstanceCount=this._maxInstanceCount,r.maxVertexCount=this._maxVertexCount,r.maxIndexCount=this._maxIndexCount,r.geometryInitialized=this._geometryInitialized,r.matricesTexture=this._matricesTexture.toJSON(e),r.indirectTexture=this._indirectTexture.toJSON(e),this._colorsTexture!==null&&(r.colorsTexture=this._colorsTexture.toJSON(e)),this.boundingSphere!==null&&(r.boundingSphere=this.boundingSphere.toJSON()),this.boundingBox!==null&&(r.boundingBox=this.boundingBox.toJSON()));function s(o,l){return o[l.uuid]===void 0&&(o[l.uuid]=l.toJSON(e)),l.uuid}if(this.isScene)this.background&&(this.background.isColor?r.background=this.background.toJSON():this.background.isTexture&&(r.background=this.background.toJSON(e).uuid)),this.environment&&this.environment.isTexture&&this.environment.isRenderTargetTexture!==!0&&(r.environment=this.environment.toJSON(e).uuid);else if(this.isMesh||this.isLine||this.isPoints){r.geometry=s(e.geometries,this.geometry);const o=this.geometry.parameters;if(o!==void 0&&o.shapes!==void 0){const l=o.shapes;if(Array.isArray(l))for(let c=0,u=l.length;c<u;c++){const h=l[c];s(e.shapes,h)}else s(e.shapes,l)}}if(this.isSkinnedMesh&&(r.bindMode=this.bindMode,r.bindMatrix=this.bindMatrix.toArray(),this.skeleton!==void 0&&(s(e.skeletons,this.skeleton),r.skeleton=this.skeleton.uuid)),this.material!==void 0)if(Array.isArray(this.material)){const o=[];for(let l=0,c=this.material.length;l<c;l++)o.push(s(e.materials,this.material[l]));r.material=o}else r.material=s(e.materials,this.material);if(this.children.length>0){r.children=[];for(let o=0;o<this.children.length;o++)r.children.push(this.children[o].toJSON(e).object)}if(this.animations.length>0){r.animations=[];for(let o=0;o<this.animations.length;o++){const l=this.animations[o];r.animations.push(s(e.animations,l))}}if(t){const o=a(e.geometries),l=a(e.materials),c=a(e.textures),u=a(e.images),h=a(e.shapes),d=a(e.skeletons),f=a(e.animations),p=a(e.nodes);o.length>0&&(n.geometries=o),l.length>0&&(n.materials=l),c.length>0&&(n.textures=c),u.length>0&&(n.images=u),h.length>0&&(n.shapes=h),d.length>0&&(n.skeletons=d),f.length>0&&(n.animations=f),p.length>0&&(n.nodes=p)}return n.object=r,n;function a(o){const l=[];for(const c in o){const u=o[c];delete u.metadata,l.push(u)}return l}}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.pivot=e.pivot!==null?e.pivot.clone():null,this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldAutoUpdate=e.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.static=e.static,this.animations=e.animations.slice(),this.userData=JSON.parse(JSON.stringify(e.userData)),t===!0)for(let n=0;n<e.children.length;n++){const r=e.children[n];this.add(r.clone())}return this}}pt.DEFAULT_UP=new P(0,1,0);pt.DEFAULT_MATRIX_AUTO_UPDATE=!0;pt.DEFAULT_MATRIX_WORLD_AUTO_UPDATE=!0;class _s extends pt{constructor(){super(),this.isGroup=!0,this.type="Group"}}const QS={type:"move"};class dl{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return this._hand===null&&(this._hand=new _s,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}getTargetRaySpace(){return this._targetRay===null&&(this._targetRay=new _s,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new P,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new P),this._targetRay}getGripSpace(){return this._grip===null&&(this._grip=new _s,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new P,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new P,this._grip.eventsEnabled=!1),this._grip}dispatchEvent(e){return this._targetRay!==null&&this._targetRay.dispatchEvent(e),this._grip!==null&&this._grip.dispatchEvent(e),this._hand!==null&&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}),this._targetRay!==null&&(this._targetRay.visible=!1),this._grip!==null&&(this._grip.visible=!1),this._hand!==null&&(this._hand.visible=!1),this}update(e,t,n){let r=null,s=null,a=null;const o=this._targetRay,l=this._grip,c=this._hand;if(e&&t.session.visibilityState!=="visible-blurred"){if(c&&e.hand){a=!0;for(const _ of e.hand.values()){const g=t.getJointPose(_,n),m=this._getHandJoint(c,_);g!==null&&(m.matrix.fromArray(g.transform.matrix),m.matrix.decompose(m.position,m.rotation,m.scale),m.matrixWorldNeedsUpdate=!0,m.jointRadius=g.radius),m.visible=g!==null}const u=c.joints["index-finger-tip"],h=c.joints["thumb-tip"],d=u.position.distanceTo(h.position),f=.02,p=.005;c.inputState.pinching&&d>f+p?(c.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:e.handedness,target:this})):!c.inputState.pinching&&d<=f-p&&(c.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:e.handedness,target:this}))}else l!==null&&e.gripSpace&&(s=t.getPose(e.gripSpace,n),s!==null&&(l.matrix.fromArray(s.transform.matrix),l.matrix.decompose(l.position,l.rotation,l.scale),l.matrixWorldNeedsUpdate=!0,s.linearVelocity?(l.hasLinearVelocity=!0,l.linearVelocity.copy(s.linearVelocity)):l.hasLinearVelocity=!1,s.angularVelocity?(l.hasAngularVelocity=!0,l.angularVelocity.copy(s.angularVelocity)):l.hasAngularVelocity=!1,l.eventsEnabled&&l.dispatchEvent({type:"gripUpdated",data:e,target:this})));o!==null&&(r=t.getPose(e.targetRaySpace,n),r===null&&s!==null&&(r=s),r!==null&&(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,this.dispatchEvent(QS)))}return o!==null&&(o.visible=r!==null),l!==null&&(l.visible=s!==null),c!==null&&(c.visible=a!==null),this}_getHandJoint(e,t){if(e.joints[t.jointName]===void 0){const n=new _s;n.matrixAutoUpdate=!1,n.visible=!1,e.joints[t.jointName]=n,e.add(n)}return e.joints[t.jointName]}}const f_={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},Vi={h:0,s:0,l:0},xo={h:0,s:0,l:0};function fu(i,e,t){return t<0&&(t+=1),t>1&&(t-=1),t<1/6?i+(e-i)*6*t:t<1/2?e:t<2/3?i+(e-i)*6*(2/3-t):i}class Ee{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(t===void 0&&n===void 0){const r=e;r&&r.isColor?this.copy(r):typeof r=="number"?this.setHex(r):typeof r=="string"&&this.setStyle(r)}else this.setRGB(e,t,n);return this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e,t=Tn){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(e&255)/255,dt.colorSpaceToWorking(this,t),this}setRGB(e,t,n,r=dt.workingColorSpace){return this.r=e,this.g=t,this.b=n,dt.colorSpaceToWorking(this,r),this}setHSL(e,t,n,r=dt.workingColorSpace){if(e=gd(e,1),t=$e(t,0,1),n=$e(n,0,1),t===0)this.r=this.g=this.b=n;else{const s=n<=.5?n*(1+t):n+t-n*t,a=2*n-s;this.r=fu(a,s,e+1/3),this.g=fu(a,s,e),this.b=fu(a,s,e-1/3)}return dt.colorSpaceToWorking(this,r),this}setStyle(e,t=Tn){function n(s){s!==void 0&&parseFloat(s)<1&&_e("Color: Alpha component of "+e+" will be ignored.")}let r;if(r=/^(\w+)\(([^\)]*)\)/.exec(e)){let s;const a=r[1],o=r[2];switch(a){case"rgb":case"rgba":if(s=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return n(s[4]),this.setRGB(Math.min(255,parseInt(s[1],10))/255,Math.min(255,parseInt(s[2],10))/255,Math.min(255,parseInt(s[3],10))/255,t);if(s=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return n(s[4]),this.setRGB(Math.min(100,parseInt(s[1],10))/100,Math.min(100,parseInt(s[2],10))/100,Math.min(100,parseInt(s[3],10))/100,t);break;case"hsl":case"hsla":if(s=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return n(s[4]),this.setHSL(parseFloat(s[1])/360,parseFloat(s[2])/100,parseFloat(s[3])/100,t);break;default:_e("Color: Unknown color model "+e)}}else if(r=/^\#([A-Fa-f\d]+)$/.exec(e)){const s=r[1],a=s.length;if(a===3)return this.setRGB(parseInt(s.charAt(0),16)/15,parseInt(s.charAt(1),16)/15,parseInt(s.charAt(2),16)/15,t);if(a===6)return this.setHex(parseInt(s,16),t);_e("Color: Invalid hex color "+e)}else if(e&&e.length>0)return this.setColorName(e,t);return this}setColorName(e,t=Tn){const n=f_[e.toLowerCase()];return n!==void 0?this.setHex(n,t):_e("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=Ii(e.r),this.g=Ii(e.g),this.b=Ii(e.b),this}copyLinearToSRGB(e){return this.r=Ss(e.r),this.g=Ss(e.g),this.b=Ss(e.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(e=Tn){return dt.workingToColorSpace(on.copy(this),e),Math.round($e(on.r*255,0,255))*65536+Math.round($e(on.g*255,0,255))*256+Math.round($e(on.b*255,0,255))}getHexString(e=Tn){return("000000"+this.getHex(e).toString(16)).slice(-6)}getHSL(e,t=dt.workingColorSpace){dt.workingToColorSpace(on.copy(this),t);const n=on.r,r=on.g,s=on.b,a=Math.max(n,r,s),o=Math.min(n,r,s);let l,c;const u=(o+a)/2;if(o===a)l=0,c=0;else{const h=a-o;switch(c=u<=.5?h/(a+o):h/(2-a-o),a){case n:l=(r-s)/h+(r<s?6:0);break;case r:l=(s-n)/h+2;break;case s:l=(n-r)/h+4;break}l/=6}return e.h=l,e.s=c,e.l=u,e}getRGB(e,t=dt.workingColorSpace){return dt.workingToColorSpace(on.copy(this),t),e.r=on.r,e.g=on.g,e.b=on.b,e}getStyle(e=Tn){dt.workingToColorSpace(on.copy(this),e);const t=on.r,n=on.g,r=on.b;return e!==Tn?`color(${e} ${t.toFixed(3)} ${n.toFixed(3)} ${r.toFixed(3)})`:`rgb(${Math.round(t*255)},${Math.round(n*255)},${Math.round(r*255)})`}offsetHSL(e,t,n){return this.getHSL(Vi),this.setHSL(Vi.h+e,Vi.s+t,Vi.l+n)}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}

1lerpColors(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(Vi),e.getHSL(xo);const n=Aa(Vi.h,xo.h,t),r=Aa(Vi.s,xo.s,t),s=Aa(Vi.l,xo.l,t);return this.setHSL(n,r,s),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,r=this.b,s=e.elements;return this.r=s[0]*t+s[3]*n+s[6]*r,this.g=s[1]*t+s[4]*n+s[7]*r,this.b=s[2]*t+s[5]*n+s[8]*r,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 on=new Ee;Ee.NAMES=f_;class Dc{constructor(e,t=25e-5){this.isFogExp2=!0,this.name="",this.color=new Ee(e),this.density=t}clone(){return new Dc(this.color,this.density)}toJSON(){return{type:"FogExp2",name:this.name,color:this.color.getHex(),density:this.density}}}class Oc{constructor(e,t=1,n=1e3){this.isFog=!0,this.name="",this.color=new Ee(e),this.near=t,this.far=n}clone(){return new Oc(this.color,this.near,this.far)}toJSON(){return{type:"Fog",name:this.name,color:this.color.getHex(),near:this.near,far:this.far}}}class Uc extends pt{constructor(){super(),this.isScene=!0,this.type="Scene",this.background=null,this.environment=null,this.fog=null,this.backgroundBlurriness=0,this.backgroundIntensity=1,this.backgroundRotation=new ni,this.environmentIntensity=1,this.environmentRotation=new ni,this.overrideMaterial=null,typeof __THREE_DEVTOOLS__<"u"&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(e,t){return super.copy(e,t),e.background!==null&&(this.background=e.background.clone()),e.environment!==null&&(this.environment=e.environment.clone()),e.fog!==null&&(this.fog=e.fog.clone()),this.backgroundBlurriness=e.backgroundBlurriness,this.backgroundIntensity=e.backgroundIntensity,this.backgroundRotation.copy(e.backgroundRotation),this.environmentIntensity=e.environmentIntensity,this.environmentRotation.copy(e.environmentRotation),e.overrideMaterial!==null&&(this.overrideMaterial=e.overrideMaterial.clone()),this.matrixAutoUpdate=e.matrixAutoUpdate,this}toJSON(e){const t=super.toJSON(e);return this.fog!==null&&(t.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(t.object.backgroundBlurriness=this.backgroundBlurriness),this.backgroundIntensity!==1&&(t.object.backgroundIntensity=this.backgroundIntensity),t.object.backgroundRotation=this.backgroundRotation.toArray(),this.environmentIntensity!==1&&(t.object.environmentIntensity=this.environmentIntensity),t.object.environmentRotation=this.environmentRotation.toArray(),t}}const $n=new P,bi=new P,pu=new P,Si=new P,Kr=new P,Jr=new P,Gf=new P,mu=new P,gu=new P,_u=new P,vu=new Et,xu=new Et,yu=new Et;class un{constructor(e=new P,t=new P,n=new P){this.a=e,this.b=t,this.c=n}static getNormal(e,t,n,r){r.subVectors(n,t),$n.subVectors(e,t),r.cross($n);const s=r.lengthSq();return s>0?r.multiplyScalar(1/Math.sqrt(s)):r.set(0,0,0)}static getBarycoord(e,t,n,r,s){$n.subVectors(r,t),bi.subVectors(n,t),pu.subVectors(e,t);const a=$n.dot($n),o=$n.dot(bi),l=$n.dot(pu),c=bi.dot(bi),u=bi.dot(pu),h=a*c-o*o;if(h===0)return s.set(0,0,0),null;const d=1/h,f=(c*l-o*u)*d,p=(a*u-o*l)*d;return s.set(1-f-p,p,f)}static containsPoint(e,t,n,r){return this.getBarycoord(e,t,n,r,Si)===null?!1:Si.x>=0&&Si.y>=0&&Si.x+Si.y<=1}static getInterpolation(e,t,n,r,s,a,o,l){return this.getBarycoord(e,t,n,r,Si)===null?(l.x=0,l.y=0,"z"in l&&(l.z=0),"w"in l&&(l.w=0),null):(l.setScalar(0),l.addScaledVector(s,Si.x),l.addScaledVector(a,Si.y),l.addScaledVector(o,Si.z),l)}static getInterpolatedAttribute(e,t,n,r,s,a){return vu.setScalar(0),xu.setScalar(0),yu.setScalar(0),vu.fromBufferAttribute(e,t),xu.fromBufferAttribute(e,n),yu.fromBufferAttribute(e,r),a.setScalar(0),a.addScaledVector(vu,s.x),a.addScaledVector(xu,s.y),a.addScaledVector(yu,s.z),a}static isFrontFacing(e,t,n,r){return $n.subVectors(n,t),bi.subVectors(e,t),$n.cross(bi).dot(r)<0}set(e,t,n){return this.a.copy(e),this.b.copy(t),this.c.copy(n),this}setFromPointsAndIndices(e,t,n,r){return this.a.copy(e[t]),this.b.copy(e[n]),this.c.copy(e[r]),this}setFromAttributeAndIndices(e,t,n,r){return this.a.fromBufferAttribute(e,t),this.b.fromBufferAttribute(e,n),this.c.fromBufferAttribute(e,r),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 $n.subVectors(this.c,this.b),bi.subVectors(this.a,this.b),$n.cross(bi).length()*.5}getMidpoint(e){return e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return un.getNormal(this.a,this.b,this.c,e)}getPlane(e){return e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return un.getBarycoord(e,this.a,this.b,this.c,t)}

1getInterpolation(e,t,n,r,s){return un.getInterpolation(e,this.a,this.b,this.c,t,n,r,s)}containsPoint(e){return un.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return un.isFrontFacing(this.a,this.b,this.c,e)}intersectsBox(e){return e.intersectsTriangle(this)}closestPointToPoint(e,t){const n=this.a,r=this.b,s=this.c;let a,o;Kr.subVectors(r,n),Jr.subVectors(s,n),mu.subVectors(e,n);const l=Kr.dot(mu),c=Jr.dot(mu);if(l<=0&&c<=0)return t.copy(n);gu.subVectors(e,r);const u=Kr.dot(gu),h=Jr.dot(gu);if(u>=0&&h<=u)return t.copy(r);const d=l*h-u*c;if(d<=0&&l>=0&&u<=0)return a=l/(l-u),t.copy(n).addScaledVector(Kr,a);_u.subVectors(e,s);const f=Kr.dot(_u),p=Jr.dot(_u);if(p>=0&&f<=p)return t.copy(s);const _=f*c-l*p;if(_<=0&&c>=0&&p<=0)return o=c/(c-p),t.copy(n).addScaledVector(Jr,o);const g=u*p-f*h;if(g<=0&&h-u>=0&&f-p>=0)return Gf.subVectors(s,r),o=(h-u)/(h-u+(f-p)),t.copy(r).addScaledVector(Gf,o);const m=1/(g+_+d);return a=_*m,o=d*m,t.copy(n).addScaledVector(Kr,a).addScaledVector(Jr,o)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}}class hn{constructor(e=new P(1/0,1/0,1/0),t=new P(-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(Yn.fromArray(e,t));return this}setFromBufferAttribute(e){this.makeEmpty();for(let t=0,n=e.count;t<n;t++)this.expandByPoint(Yn.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=Yn.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){e.updateWorldMatrix(!1,!1);const n=e.geometry;if(n!==void 0){const s=n.getAttribute("position");if(t===!0&&s!==void 0&&e.isInstancedMesh!==!0)for(let a=0,o=s.count;a<o;a++)e.isMesh===!0?e.getVertexPosition(a,Yn):Yn.fromBufferAttribute(s,a),Yn.applyMatrix4(e.matrixWorld),this.expandByPoint(Yn);else e.boundingBox!==void 0?(e.boundingBox===null&&e.computeBoundingBox(),yo.copy(e.boundingBox)):(n.boundingBox===null&&n.computeBoundingBox(),yo.copy(n.boundingBox)),yo.applyMatrix4(e.matrixWorld),this.union(yo)}const r=e.children;for(let s=0,a=r.length;s<a;s++)this.expandByObject(r[s],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,Yn),Yn.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(Js),bo.subVectors(this.max,Js),jr.subVectors(e.a,Js),Qr.subVectors(e.b,Js),es.subVectors(e.c,Js),zi.subVectors(Qr,jr),Hi.subVectors(es,Qr),or.subVectors(jr,es);let t=[0,-zi.z,zi.y,0,-Hi.z,Hi.y,0,-or.z,or.y,zi.z,0,-zi.x,Hi.z,0,-Hi.x,or.z,0,-or.x,-zi.y,zi.x,0,-Hi.y,Hi.x,0,-or.y,or.x,0];return!bu(t,jr,Qr,es,bo)||(t=[1,0,0,0,1,0,0,0,1],!bu(t,jr,Qr,es,bo))?!1:(So.crossVectors(zi,Hi),t=[So.x,So.y,So.z],bu(t,jr,Qr,es,bo))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,Yn).distanceTo(e)}getBoundingSphere(e){return this.isEmpty()?e.makeEmpty():(this.getCenter(e.center),e.radius=this.getSize(Yn).length()*.5),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()?this:(Mi[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),Mi[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),Mi[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),Mi[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),Mi[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),Mi[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),Mi[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),Mi[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(Mi),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)}toJSON(){return{min:this.min.toArray(),max:this.max.toArray()}}fromJSON(e){return this.min.fromArray(e.min),this.max.fromArray(e.max),this}}const Mi=[new P,new P,new P,new P,new P,new P,new P,new P],Yn=new P,yo=new hn,jr=new P,Qr=new P,es=new P,zi=new P,Hi=new P,or=new P,Js=new P,bo=new P,So=new P,lr=new P;function bu(i,e,t,n,r){for(let s=0,a=i.length-3;s<=a;s+=3){lr.fromArray(i,s);const o=r.x*Math.abs(lr.x)+r.y*Math.abs(lr.y)+r.z*Math.abs(lr.z),l=e.dot(lr),c=t.dot(lr),u=n.dot(lr);if(Math.max(-Math.max(l,c,u),Math.min(l,c,u))>o)return!1}return!0}const Ri=eM();function eM(){const i=new ArrayBuffer(4),e=new Float32Array(i),t=new Uint32Array(i),n=new Uint32Array(512),r=new Uint32Array(512);for(let l=0;l<256;++l){const c=l-127;c<-27?(n[l]=0,n[l|256]=32768,r[l]=24,r[l|256]=24):c<-14?(n[l]=1024>>-c-14,n[l|256]=1024>>-c-14|32768,r[l]=-c-1,r[l|256]=-c-1):c<=15?(n[l]=c+15<<10,n[l|256]=c+15<<10|32768,r[l]=13,r[l|256]=13):c<128?(n[l]=31744,n[l|256]=64512,r[l]=24,r[l|256]=24):(n[l]=31744,n[l|256]=64512,r[l]=13,r[l|256]=13)}const s=new Uint32Array(2048),a=new Uint32Array(64),o=new Uint32Array(64);for(let l=1;l<1024;++l){let c=l<<13,u=0;for(;(c&8388608)===0;)c<<=1,u-=8388608;c&=-8388609,u+=947912704,s[l]=c|u}for(let l=1024;l<2048;++l)s[l]=939524096+(l-1024<<13);for(let l=1;l<31;++l)a[l]=l<<23;a[31]=1199570944,a[32]=2147483648;for(let l=33;l<63;++l)a[l]=2147483648+(l-32<<23);a[63]=3347054592;for(let l=1;l<64;++l)l!==32&&(o[l]=1024);return{floatView:e,uint32View:t,baseTable:n,shiftTable:r,mantissaTable:s,exponentTable:a,offsetTable:o}}function En(i){Math.abs(i)>65504&&_e("DataUtils.toHalfFloat(): Value out of range."),i=$e(i,-65504,65504),Ri.floatView[0]=i;const e=Ri.uint32View[0],t=e>>23&511;return Ri.baseTable[t]+((e&8388607)>>Ri.shiftTable[t])}function da(i){const e=i>>10;return Ri.uint32View[0]=Ri.mantissaTable[Ri.offsetTable[e]+(i&1023)]+Ri.exponentTable[e],Ri.floatView[0]}class tM{static toHalfFloat(e){return En(e)}static fromHalfFloat(e){return da(e)}}const qt=new P,Mo=new j;let nM=0;class ut extends ii{constructor(e,t,n=!1){if(super(),Array.isArray(e))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,Object.defineProperty(this,"id",{value:nM++}),this.name="",this.array=e,this.itemSize=t,this.count=e!==void 0?e.length/t:0,this.normalized=n,this.usage=Wa,this.updateRanges=[],this.gpuType=vn,this.version=0}onUploadCallback(){}set needsUpdate(e){e===!0&&this.version++}setUsage(e){return this.usage=e,this}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}copy(e){return this.name=e.name,this.array=new e.array.constructor(e.array),this.itemSize=e.itemSize,this.count=e.count,this.normalized=e.normalized,this.usage=e.usage,this.gpuType=e.gpuType,this}copyAt(e,t,n){e*=this.itemSize,n*=t.itemSize;for(let r=0,s=this.itemSize;r<s;r++)this.array[e+r]=t.array[n+r];return this}copyArray(e){return this.array.set(e),this}applyMatrix3(e){if(this.itemSize===2)for(let t=0,n=this.count;t<n;t++)Mo.fromBufferAttribute(this,t),Mo.applyMatrix3(e),this.setXY(t,Mo.x,Mo.y);else if(this.itemSize===3)for(let t=0,n=this.count;t<n;t++)qt.fromBufferAttribute(this,t),qt.applyMatrix3(e),this.setXYZ(t,qt.x,qt.y,qt.z);return this}applyMatrix4(e){for(let t=0,n=this.count;t<n;t++)qt.fromBufferAttribute(this,t),qt.applyMatrix4(e),this.setXYZ(t,qt.x,qt.y,qt.z);return this}applyNormalMatrix(e){for(let t=0,n=this.count;t<n;t++)qt.fromBufferAttribute(this,t),qt.applyNormalMatrix(e),this.setXYZ(t,qt.x,qt.y,qt.z);return this}transformDirection(e){for(let t=0,n=this.count;t<n;t++)qt.fromBufferAttribute(this,t),qt.transformDirection(e),this.setXYZ(t,qt.x,qt.y,qt.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=gn(n,this.array)),n}setComponent(e,t,n){return this.normalized&&(n=at(n,this.array)),this.array[e*this.itemSize+t]=n,this}getX(e){let t=this.array[e*this.itemSize];return this.normalized&&(t=gn(t,this.array)),t}setX(e,t){return this.normalized&&(t=at(t,this.array)),this.array[e*this.itemSize]=t,this}getY(e){let t=this.array[e*this.itemSize+1];return this.normalized&&(t=gn(t,this.array)),t}setY(e,t){return this.normalized&&(t=at(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=gn(t,this.array)),t}setZ(e,t){return this.normalized&&(t=at(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=gn(t,this.array)),t}setW(e,t){return this.normalized&&(t=at(t,this.array)),this.array[e*this.itemSize+3]=t,this}setXY(e,t,n){return e*=this.itemSize,this.normalized&&(t=at(t,this.array),n=at(n,this.array)),this.array[e+0]=t,this.array[e+1]=n,this}setXYZ(e,t,n,r){return e*=this.itemSize,this.normalized&&(t=at(t,this.array),n=at(n,this.array),r=at(r,this.array)),this.array[e+0]=t,this.array[e+1]=n,this.array[e+2]=r,this}

1setXYZW(e,t,n,r,s){return e*=this.itemSize,this.normalized&&(t=at(t,this.array),n=at(n,this.array),r=at(r,this.array),s=at(s,this.array)),this.array[e+0]=t,this.array[e+1]=n,this.array[e+2]=r,this.array[e+3]=s,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!==Wa&&(e.usage=this.usage),e}dispose(){this.dispatchEvent({type:"dispose"})}}class iM extends ut{constructor(e,t,n){super(new Int8Array(e),t,n)}}class rM extends ut{constructor(e,t,n){super(new Uint8Array(e),t,n)}}class sM extends ut{constructor(e,t,n){super(new Uint8ClampedArray(e),t,n)}}class aM extends ut{constructor(e,t,n){super(new Int16Array(e),t,n)}}class vd extends ut{constructor(e,t,n){super(new Uint16Array(e),t,n)}}class oM extends ut{constructor(e,t,n){super(new Int32Array(e),t,n)}}class xd extends ut{constructor(e,t,n){super(new Uint32Array(e),t,n)}}class lM extends ut{constructor(e,t,n){super(new Uint16Array(e),t,n),this.isFloat16BufferAttribute=!0}getX(e){let t=da(this.array[e*this.itemSize]);return this.normalized&&(t=gn(t,this.array)),t}setX(e,t){return this.normalized&&(t=at(t,this.array)),this.array[e*this.itemSize]=En(t),this}getY(e){let t=da(this.array[e*this.itemSize+1]);return this.normalized&&(t=gn(t,this.array)),t}setY(e,t){return this.normalized&&(t=at(t,this.array)),this.array[e*this.itemSize+1]=En(t),this}getZ(e){let t=da(this.array[e*this.itemSize+2]);return this.normalized&&(t=gn(t,this.array)),t}setZ(e,t){return this.normalized&&(t=at(t,this.array)),this.array[e*this.itemSize+2]=En(t),this}getW(e){let t=da(this.array[e*this.itemSize+3]);return this.normalized&&(t=gn(t,this.array)),t}setW(e,t){return this.normalized&&(t=at(t,this.array)),this.array[e*this.itemSize+3]=En(t),this}setXY(e,t,n){return e*=this.itemSize,this.normalized&&(t=at(t,this.array),n=at(n,this.array)),this.array[e+0]=En(t),this.array[e+1]=En(n),this}setXYZ(e,t,n,r){return e*=this.itemSize,this.normalized&&(t=at(t,this.array),n=at(n,this.array),r=at(r,this.array)),this.array[e+0]=En(t),this.array[e+1]=En(n),this.array[e+2]=En(r),this}setXYZW(e,t,n,r,s){return e*=this.itemSize,this.normalized&&(t=at(t,this.array),n=at(n,this.array),r=at(r,this.array),s=at(s,this.array)),this.array[e+0]=En(t),this.array[e+1]=En(n),this.array[e+2]=En(r),this.array[e+3]=En(s),this}}class Pe extends ut{constructor(e,t,n){super(new Float32Array(e),t,n)}}const cM=new hn,js=new P,Su=new P;class nn{constructor(e=new P,t=-1){this.isSphere=!0,this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){const n=this.center;t!==void 0?n.copy(t):cM.setFromPoints(e).getCenter(n);let r=0;for(let s=0,a=e.length;s<a;s++)r=Math.max(r,n.distanceToSquared(e[s]));return this.radius=Math.sqrt(r),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;js.subVectors(e,this.center);const t=js.lengthSq();if(t>this.radius*this.radius){const n=Math.sqrt(t),r=(n-this.radius)*.5;this.center.addScaledVector(js,r/n),this.radius+=r}return this}union(e){return e.isEmpty()?this:this.isEmpty()?(this.copy(e),this):(this.center.equals(e.center)===!0?this.radius=Math.max(this.radius,e.radius):(Su.subVectors(e.center,this.center).setLength(e.radius),this.expandByPoint(js.copy(e.center).add(Su)),this.expandByPoint(js.copy(e.center).sub(Su))),this)}equals(e){return e.center.equals(this.center)&&e.radius===this.radius}clone(){return new this.constructor().copy(this)}toJSON(){return{radius:this.radius,center:this.center.toArray()}}fromJSON(e){return this.radius=e.radius,this.center.fromArray(e.center),this}}let uM=0;const Vn=new We,Mu=new pt,ts=new P,Ln=new hn,Qs=new hn,Kt=new P;class et extends ii{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:uM++}),this.uuid=Fn(),this.name="",this.type="BufferGeometry",this.index=null,this.indirect=null,this.indirectOffset=0,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(yS(e)?xd:vd)(e,1):this.index=e,this}setIndirect(e,t=0){return this.indirect=e,this.indirectOffset=t,this}getIndirect(){return this.indirect}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 this.attributes[e]!==void 0}

1addGroup(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;t!==void 0&&(t.applyMatrix4(e),t.needsUpdate=!0);const n=this.attributes.normal;if(n!==void 0){const s=new tt().getNormalMatrix(e);n.applyNormalMatrix(s),n.needsUpdate=!0}const r=this.attributes.tangent;return r!==void 0&&(r.transformDirection(e),r.needsUpdate=!0),this.boundingBox!==null&&this.computeBoundingBox(),this.boundingSphere!==null&&this.computeBoundingSphere(),this}applyQuaternion(e){return Vn.makeRotationFromQuaternion(e),this.applyMatrix4(Vn),this}rotateX(e){return Vn.makeRotationX(e),this.applyMatrix4(Vn),this}rotateY(e){return Vn.makeRotationY(e),this.applyMatrix4(Vn),this}rotateZ(e){return Vn.makeRotationZ(e),this.applyMatrix4(Vn),this}translate(e,t,n){return Vn.makeTranslation(e,t,n),this.applyMatrix4(Vn),this}scale(e,t,n){return Vn.makeScale(e,t,n),this.applyMatrix4(Vn),this}lookAt(e){return Mu.lookAt(e),Mu.updateMatrix(),this.applyMatrix4(Mu.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(ts).negate(),this.translate(ts.x,ts.y,ts.z),this}setFromPoints(e){const t=this.getAttribute("position");if(t===void 0){const n=[];for(let r=0,s=e.length;r<s;r++){const a=e[r];n.push(a.x,a.y,a.z||0)}this.setAttribute("position",new Pe(n,3))}else{const n=Math.min(e.length,t.count);for(let r=0;r<n;r++){const s=e[r];t.setXYZ(r,s.x,s.y,s.z||0)}e.length>t.count&&_e("BufferGeometry: Buffer size too small for points data. Use .dispose() and create a new geometry."),t.needsUpdate=!0}return this}computeBoundingBox(){this.boundingBox===null&&(this.boundingBox=new hn);const e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute){Oe("BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.",this),this.boundingBox.set(new P(-1/0,-1/0,-1/0),new P(1/0,1/0,1/0));return}if(e!==void 0){if(this.boundingBox.setFromBufferAttribute(e),t)for(let n=0,r=t.length;n<r;n++){const s=t[n];Ln.setFromBufferAttribute(s),this.morphTargetsRelative?(Kt.addVectors(this.boundingBox.min,Ln.min),this.boundingBox.expandByPoint(Kt),Kt.addVectors(this.boundingBox.max,Ln.max),this.boundingBox.expandByPoint(Kt)):(this.boundingBox.expandByPoint(Ln.min),this.boundingBox.expandByPoint(Ln.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&Oe('BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)}computeBoundingSphere(){this.boundingSphere===null&&(this.boundingSphere=new nn);const e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute){Oe("BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere.",this),this.boundingSphere.set(new P,1/0);return}if(e){const n=this.boundingSphere.center;if(Ln.setFromBufferAttribute(e),t)for(let s=0,a=t.length;s<a;s++){const o=t[s];Qs.setFromBufferAttribute(o),this.morphTargetsRelative?(Kt.addVectors(Ln.min,Qs.min),Ln.expandByPoint(Kt),Kt.addVectors(Ln.max,Qs.max),Ln.expandByPoint(Kt)):(Ln.expandByPoint(Qs.min),Ln.expandByPoint(Qs.max))}Ln.getCenter(n);let r=0;for(let s=0,a=e.count;s<a;s++)Kt.fromBufferAttribute(e,s),r=Math.max(r,n.distanceToSquared(Kt));if(t)for(let s=0,a=t.length;s<a;s++){const o=t[s],l=this.morphTargetsRelative;for(let c=0,u=o.count;c<u;c++)Kt.fromBufferAttribute(o,c),l&&(ts.fromBufferAttribute(e,c),Kt.add(ts)),r=Math.max(r,n.distanceToSquared(Kt))}this.boundingSphere.radius=Math.sqrt(r),isNaN(this.boundingSphere.radius)&&Oe('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(e===null||t.position===void 0||t.normal===void 0||t.uv===void 0){Oe("BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");return}const n=t.position,r=t.normal,s=t.uv;this.hasAttribute("tangent")===!1&&this.setAttribute("tangent",new ut(new Float32Array(4*n.count),4));const a=this.getAttribute("tangent"),o=[],l=[];for(let x=0;x<n.count;x++)o[x]=new P,l[x]=new P;const c=new P,u=new P,h=new P,d=new j,f=new j,p=new j,_=new P,g=new P;function m(x,M,A){c.fromBufferAttribute(n,x),u.fromBufferAttribute(n,M),h.fromBufferAttribute(n,A),d.fromBufferAttribute(s,x),f.fromBufferAttribute(s,M),p.fromBufferAttribute(s,A),u.sub(c),h.sub(c),f.sub(d),p.sub(d);const I=1/(f.x*p.y-p.x*f.y);isFinite(I)&&(_.copy(u).multiplyScalar(p.y).addScaledVector(h,-f.y).multiplyScalar(I),g.copy(h).multiplyScalar(f.x).addScaledVector(u,-p.x).multiplyScalar(I),o[x].add(_),o[M].add(_),o[A].add(_),l[x].add(g),l[M].add(g),l[A].add(g))}let v=this.groups;v.length===0&&(v=[{start:0,count:e.count}]);for(let x=0,M=v.length;x<M;++x){const A=v[x],I=A.start,N=A.count;for(let U=I,k=I+N;U<k;U+=3)m(e.getX(U+0),e.getX(U+1),e.getX(U+2))}const b=new P,y=new P,T=new P,S=new P;function R(x){T.fromBufferAttribute(r,x),S.copy(T);const M=o[x];b.copy(M),b.sub(T.multiplyScalar(T.dot(M))).normalize(),y.crossVectors(S,M);const I=y.dot(l[x])<0?-1:1;a.setXYZW(x,b.x,b.y,b.z,I)}for(let x=0,M=v.length;x<M;++x){const A=v[x],I=A.start,N=A.count;for(let U=I,k=I+N;U<k;U+=3)R(e.getX(U+0)),R(e.getX(U+1)),R(e.getX(U+2))}}computeVertexNormals(){const e=this.index,t=this.getAttribute("position");if(t!==void 0){let n=this.getAttribute("normal");if(n===void 0)n=new ut(new Float32Array(t.count*3),3),this.setAttribute("normal",n);else for(let d=0,f=n.count;d<f;d++)n.setXYZ(d,0,0,0);const r=new P,s=new P,a=new P,o=new P,l=new P,c=new P,u=new P,h=new P;if(e)for(let d=0,f=e.count;d<f;d+=3){const p=e.getX(d+0),_=e.getX(d+1),g=e.getX(d+2);r.fromBufferAttribute(t,p),s.fromBufferAttribute(t,_),a.fromBufferAttribute(t,g),u.subVectors(a,s),h.subVectors(r,s),u.cross(h),o.fromBufferAttribute(n,p),l.fromBufferAttribute(n,_),c.fromBufferAttribute(n,g),o.add(u),l.add(u),c.add(u),n.setXYZ(p,o.x,o.y,o.z),n.setXYZ(_,l.x,l.y,l.z),n.setXYZ(g,c.x,c.y,c.z)}else for(let d=0,f=t.count;d<f;d+=3)r.fromBufferAttribute(t,d+0),s.fromBufferAttribute(t,d+1),a.fromBufferAttribute(t,d+2),u.subVectors(a,s),h.subVectors(r,s),u.cross(h),n.setXYZ(d+0,u.x,u.y,u.z),n.setXYZ(d+1,u.x,u.y,u.z),n.setXYZ(d+2,u.x,u.y,u.z);this.normalizeNormals(),n.needsUpdate=!0}}normalizeNormals(){const e=this.attributes.normal;for(let t=0,n=e.count;t<n;t++)Kt.fromBufferAttribute(e,t),Kt.normalize(),e.setXYZ(t,Kt.x,Kt.y,Kt.z)}toNonIndexed(){function e(o,l){const c=o.array,u=o.itemSize,h=o.normalized,d=new c.constructor(l.length*u);let f=0,p=0;for(let _=0,g=l.length;_<g;_++){o.isInterleavedBufferAttribute?f=l[_]*o.data.stride+o.offset:f=l[_]*u;for(let m=0;m<u;m++)d[p++]=c[f++]}return new ut(d,u,h)}if(this.index===null)return _e("BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const t=new et,n=this.index.array,r=this.attributes;for(const o in r){const l=r[o],c=e(l,n);t.setAttribute(o,c)}const s=this.morphAttributes;for(const o in s){const l=[],c=s[o];for(let u=0,h=c.length;u<h;u++){const d=c[u],f=e(d,n);l.push(f)}t.morphAttributes[o]=l}t.morphTargetsRelative=this.morphTargetsRelative;const a=this.groups;for(let o=0,l=a.length;o<l;o++){const c=a[o];t.addGroup(c.start,c.count,c.materialIndex)}return t}toJSON(){const e={metadata:{version:4.7,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),this.parameters!==void 0){const l=this.parameters;for(const c in l)l[c]!==void 0&&(e[c]=l[c]);return e}e.data={attributes:{}};const t=this.index;t!==null&&(e.data.index={type:t.array.constructor.name,array:Array.prototype.slice.call(t.array)});const n=this.attributes;for(const l in n){const c=n[l];e.data.attributes[l]=c.toJSON(e.data)}const r={};let s=!1;for(const l in this.morphAttributes){const c=this.morphAttributes[l],u=[];for(let h=0,d=c.length;h<d;h++){const f=c[h];u.push(f.toJSON(e.data))}u.length>0&&(r[l]=u,s=!0)}s&&(e.data.morphAttributes=r,e.data.morphTargetsRelative=this.morphTargetsRelative);const a=this.groups;a.length>0&&(e.data.groups=JSON.parse(JSON.stringify(a)));const o=this.boundingSphere;return o!==null&&(e.data.boundingSphere=o.toJSON()),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;n!==null&&this.setIndex(n.clone());const r=e.attributes;for(const c in r){const u=r[c];this.setAttribute(c,u.clone(t))}const s=e.morphAttributes;for(const c in s){const u=[],h=s[c];for(let d=0,f=h.length;d<f;d++)u.push(h[d].clone(t));this.morphAttributes[c]=u}this.morphTargetsRelative=e.morphTargetsRelative;const a=e.groups;for(let c=0,u=a.length;c<u;c++){const h=a[c];this.addGroup(h.start,h.count,h.materialIndex)}const o=e.boundingBox;o!==null&&(this.boundingBox=o.clone());const l=e.boundingSphere;return l!==null&&(this.boundingSphere=l.clone()),this.drawRange.start=e.drawRange.start,this.drawRange.count=e.drawRange.count,this.userData=e.userData,this}dispose(){this.dispatchEvent({type:"dispose"})}}class Fc{constructor(e,t){this.isInterleavedBuffer=!0,this.array=e,this.stride=t,this.count=e!==void 0?e.length/t:0,this.usage=Wa,this.updateRanges=[],this.version=0,this.uuid=Fn()}onUploadCallback(){}set needsUpdate(e){e===!0&&this.version++}setUsage(e){return this.usage=e,this}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}copy(e){return this.array=new e.array.constructor(e.array),this.count=e.count,this.stride=e.stride,this.usage=e.usage,this}copyAt(e,t,n){e*=this.stride,n*=t.stride;for(let r=0,s=this.stride;r<s;r++)this.array[e+r]=t.array[n+r];return this}set(e,t=0){return this.array.set(e,t),this}clone(e){e.arrayBuffers===void 0&&(e.arrayBuffers={}),this.array.buffer._uuid===void 0&&(this.array.buffer._uuid=Fn()),e.arrayBuffers[this.array.buffer._uuid]===void 0&&(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 e.arrayBuffers===void 0&&(e.arrayBuffers={}),this.array.buffer._uuid===void 0&&(this.array.buffer._uuid=Fn()),e.arrayBuffers[this.array.buffer._uuid]===void 0&&(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 dn=new P;class Fr{constructor(e,t,n,r=!1){this.isInterleavedBufferAttribute=!0,this.name="",this.data=e,this.itemSize=t,this.offset=n,this.normalized=r}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++)dn.fromBufferAttribute(this,t),dn.applyMatrix4(e),this.setXYZ(t,dn.x,dn.y,dn.z);return this}applyNormalMatrix(e){for(let t=0,n=this.count;t<n;t++)dn.fromBufferAttribute(this,t),dn.applyNormalMatrix(e),this.setXYZ(t,dn.x,dn.y,dn.z);return this}transformDirection(e){for(let t=0,n=this.count;t<n;t++)dn.fromBufferAttribute(this,t),dn.transformDirection(e),this.setXYZ(t,dn.x,dn.y,dn.z);return this}getComponent(e,t){let n=this.array[e*this.data.stride+this.offset+t];return this.normalized&&(n=gn(n,this.array)),n}setComponent(e,t,n){return this.normalized&&(n=at(n,this.array)),this.data.array[e*this.data.stride+this.offset+t]=n,this}setX(e,t){return this.normalized&&(t=at(t,this.array)),this.data.array[e*this.data.stride+this.offset]=t,this}setY(e,t){return this.normalized&&(t=at(t,this.array)),this.data.array[e*this.data.stride+this.offset+1]=t,this}setZ(e,t){return this.normalized&&(t=at(t,this.array)),this.data.array[e*this.data.stride+this.offset+2]=t,this}setW(e,t){return this.normalized&&(t=at(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=gn(t,this.array)),t}getY(e){let t=this.data.array[e*this.data.stride+this.offset+1];return this.normalized&&(t=gn(t,this.array)),t}getZ(e){let t=this.data.array[e*this.data.stride+this.offset+2];return this.normalized&&(t=gn(t,this.array)),t}getW(e){let t=this.data.array[e*this.data.stride+this.offset+3];return this.normalized&&(t=gn(t,this.array)),t}setXY(e,t,n){return e=e*this.data.stride+this.offset,this.normalized&&(t=at(t,this.array),n=at(n,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=n,this}setXYZ(e,t,n,r){return e=e*this.data.stride+this.offset,this.normalized&&(t=at(t,this.array),n=at(n,this.array),r=at(r,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=n,this.data.array[e+2]=r,this}setXYZW(e,t,n,r,s){return e=e*this.data.stride+this.offset,this.normalized&&(t=at(t,this.array),n=at(n,this.array),r=at(r,this.array),s=at(s,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=n,this.data.array[e+2]=r,this.data.array[e+3]=s,this}clone(e){if(e===void 0){qa("InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data.");const t=[];for(let n=0;n<this.count;n++){const r=n*this.data.stride+this.offset;for(let s=0;s<this.itemSize;s++)t.push(this.data.array[r+s])}return new ut(new this.array.constructor(t),this.itemSize,this.normalized)}else return e.interleavedBuffers===void 0&&(e.interleavedBuffers={}),e.interleavedBuffers[this.data.uuid]===void 0&&(e.interleavedBuffers[this.data.uuid]=this.data.clone(e)),new Fr(e.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)}toJSON(e){if(e===void 0){qa("InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data.");const t=[];for(let n=0;n<this.count;n++){const r=n*this.data.stride+this.offset;for(let s=0;s<this.itemSize;s++)t.push(this.data.array[r+s])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:t,normalized:this.normalized}}else return e.interleavedBuffers===void 0&&(e.interleavedBuffers={}),e.interleavedBuffers[this.data.uuid]===void 0&&(e.interleavedBuffers[this.data.uuid]=this.data.toJSON(e)),{isInterleavedBufferAttribute:!0,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized}}}let hM=0;class rn extends ii{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:hM++}),this.uuid=Fn(),this.name="",this.type="Material",this.blending=Ir,this.side=Pi,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.alphaHash=!1,this.blendSrc=yl,this.blendDst=bl,this.blendEquation=qi,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.blendColor=new Ee(0,0,0),this.blendAlpha=0,this.depthFunc=Or,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=vh,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=yr,this.stencilZFail=yr,this.stencilZPass=yr,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.allowOverride=!0,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}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(e){if(e!==void 0)for(const t in e){const n=e[t];if(n===void 0){_e(`Material: parameter '${t}' has value of undefined.`);continue}const r=this[t];if(r===void 0){_e(`Material: '${t}' is not a property of THREE.${this.type}.`);continue}r&&r.isColor?r.set(n):r&&r.isVector3&&n&&n.isVector3?r.copy(n):this[t]=n}}toJSON(e){const t=e===void 0||typeof e=="string";t&&(e={textures:{},images:{}});const n={metadata:{version:4.7,type:"Material",generator:"Material.toJSON"}};

1n.uuid=this.uuid,n.type=this.type,this.name!==""&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),this.roughness!==void 0&&(n.roughness=this.roughness),this.metalness!==void 0&&(n.metalness=this.metalness),this.sheen!==void 0&&(n.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(n.sheenColor=this.sheenColor.getHex()),this.sheenRoughness!==void 0&&(n.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),this.emissiveIntensity!==void 0&&this.emissiveIntensity!==1&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),this.specularIntensity!==void 0&&(n.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(n.specularColor=this.specularColor.getHex()),this.shininess!==void 0&&(n.shininess=this.shininess),this.clearcoat!==void 0&&(n.clearcoat=this.clearcoat),this.clearcoatRoughness!==void 0&&(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()),this.sheenColorMap&&this.sheenColorMap.isTexture&&(n.sheenColorMap=this.sheenColorMap.toJSON(e).uuid),this.sheenRoughnessMap&&this.sheenRoughnessMap.isTexture&&(n.sheenRoughnessMap=this.sheenRoughnessMap.toJSON(e).uuid),this.dispersion!==void 0&&(n.dispersion=this.dispersion),this.iridescence!==void 0&&(n.iridescence=this.iridescence),this.iridescenceIOR!==void 0&&(n.iridescenceIOR=this.iridescenceIOR),this.iridescenceThicknessRange!==void 0&&(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),this.anisotropy!==void 0&&(n.anisotropy=this.anisotropy),this.anisotropyRotation!==void 0&&(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,this.combine!==void 0&&(n.combine=this.combine)),this.envMapRotation!==void 0&&(n.envMapRotation=this.envMapRotation.toArray()),this.envMapIntensity!==void 0&&(n.envMapIntensity=this.envMapIntensity),this.reflectivity!==void 0&&(n.reflectivity=this.reflectivity),this.refractionRatio!==void 0&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(e).uuid),this.transmission!==void 0&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(e).uuid),this.thickness!==void 0&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(e).uuid),this.attenuationDistance!==void 0&&this.attenuationDistance!==1/0&&(n.attenuationDistance=this.attenuationDistance),this.attenuationColor!==void 0&&(n.attenuationColor=this.attenuationColor.getHex()),this.size!==void 0&&(n.size=this.size),this.shadowSide!==null&&(n.shadowSide=this.shadowSide),this.sizeAttenuation!==void 0&&(n.sizeAttenuation=this.sizeAttenuation),this.blending!==Ir&&(n.blending=this.blending),this.side!==Pi&&(n.side=this.side),this.vertexColors===!0&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),this.transparent===!0&&(n.transparent=!0),this.blendSrc!==yl&&(n.blendSrc=this.blendSrc),this.blendDst!==bl&&(n.blendDst=this.blendDst),this.blendEquation!==qi&&(n.blendEquation=this.blendEquation),this.blendSrcAlpha!==null&&(n.blendSrcAlpha=this.blendSrcAlpha),this.blendDstAlpha!==null&&(n.blendDstAlpha=this.blendDstAlpha),this.blendEquationAlpha!==null&&(n.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(n.blendColor=this.blendColor.getHex()),this.blendAlpha!==0&&(n.blendAlpha=this.blendAlpha),this.depthFunc!==Or&&(n.depthFunc=this.depthFunc),this.depthTest===!1&&(n.depthTest=this.depthTest),this.depthWrite===!1&&(n.depthWrite=this.depthWrite),this.colorWrite===!1&&(n.colorWrite=this.colorWrite),this.stencilWriteMask!==255&&(n.stencilWriteMask=this.stencilWriteMask),this.stencilFunc!==vh&&(n.stencilFunc=this.stencilFunc),this.stencilRef!==0&&(n.stencilRef=this.stencilRef),this.stencilFuncMask!==255&&(n.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==yr&&(n.stencilFail=this.stencilFail),this.stencilZFail!==yr&&(n.stencilZFail=this.stencilZFail),this.stencilZPass!==yr&&(n.stencilZPass=this.stencilZPass),this.stencilWrite===!0&&(n.stencilWrite=this.stencilWrite),this.rotation!==void 0&&this.rotation!==0&&(n.rotation=this.rotation),this.polygonOffset===!0&&(n.polygonOffset=!0),this.polygonOffsetFactor!==0&&(n.polygonOffsetFactor=this.polygonOffsetFactor),this.polygonOffsetUnits!==0&&(n.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth!==void 0&&this.linewidth!==1&&(n.linewidth=this.linewidth),this.dashSize!==void 0&&(n.dashSize=this.dashSize),this.gapSize!==void 0&&(n.gapSize=this.gapSize),this.scale!==void 0&&(n.scale=this.scale),this.dithering===!0&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),this.alphaHash===!0&&(n.alphaHash=!0),this.alphaToCoverage===!0&&(n.alphaToCoverage=!0),this.premultipliedAlpha===!0&&(n.premultipliedAlpha=!0),this.forceSinglePass===!0&&(n.forceSinglePass=!0),this.allowOverride===!1&&(n.allowOverride=!1),this.wireframe===!0&&(n.wireframe=!0),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),this.wireframeLinecap!=="round"&&(n.wireframeLinecap=this.wireframeLinecap),this.wireframeLinejoin!=="round"&&(n.wireframeLinejoin=this.wireframeLinejoin),this.flatShading===!0&&(n.flatShading=!0),this.visible===!1&&(n.visible=!1),this.toneMapped===!1&&(n.toneMapped=!1),this.fog===!1&&(n.fog=!1),Object.keys(this.userData).length>0&&(n.userData=this.userData);function r(s){const a=[];for(const o in s){const l=s[o];delete l.metadata,a.push(l)}return a}if(t){const s=r(e.textures),a=r(e.images);s.length>0&&(n.textures=s),a.length>0&&(n.images=a)}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.blendColor.copy(e.blendColor),this.blendAlpha=e.blendAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;const t=e.clippingPlanes;let n=null;if(t!==null){const r=t.length;n=new Array(r);for(let s=0;s!==r;++s)n[s]=t[s].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.allowOverride=e.allowOverride,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){e===!0&&this.version++}}class yd extends rn{constructor(e){super(),this.isSpriteMaterial=!0,this.type="SpriteMaterial",this.color=new Ee(16777215),this.map=null,this.alphaMap=null,this.rotation=0,this.sizeAttenuation=!0,this.transparent=!0,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.alphaMap=e.alphaMap,this.rotation=e.rotation,this.sizeAttenuation=e.sizeAttenuation,this.fog=e.fog,this}}let ns;const ea=new P,is=new P,rs=new P,ss=new j,ta=new j,p_=new We,Eo=new P,na=new P,To=new P,Wf=new j,Eu=new j,Xf=new j;class m_ extends pt{constructor(e=new yd){if(super(),this.isSprite=!0,this.type="Sprite",ns===void 0){ns=new et;const t=new Float32Array([-.5,-.5,0,0,0,.5,-.5,0,1,0,.5,.5,0,1,1,-.5,.5,0,0,1]),n=new Fc(t,5);ns.setIndex([0,1,2,0,2,3]),ns.setAttribute("position",new Fr(n,3,0,!1)),ns.setAttribute("uv",new Fr(n,2,3,!1))}this.geometry=ns,this.material=e,this.center=new j(.5,.5),this.count=1}raycast(e,t){e.camera===null&&Oe('Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.'),is.setFromMatrixScale(this.matrixWorld),p_.copy(e.camera.matrixWorld),this.modelViewMatrix.multiplyMatrices(e.camera.matrixWorldInverse,this.matrixWorld),rs.setFromMatrixPosition(this.modelViewMatrix),e.camera.isPerspectiveCamera&&this.material.sizeAttenuation===!1&&is.multiplyScalar(-rs.z);const n=this.material.rotation;let r,s;n!==0&&(s=Math.cos(n),r=Math.sin(n));const a=this.center;wo(Eo.set(-.5,-.5,0),rs,a,is,r,s),wo(na.set(.5,-.5,0),rs,a,is,r,s),wo(To.set(.5,.5,0),rs,a,is,r,s),Wf.set(0,0),Eu.set(1,0),Xf.set(1,1);let o=e.ray.intersectTriangle(Eo,na,To,!1,ea);if(o===null&&(wo(na.set(-.5,.5,0),rs,a,is,r,s),Eu.set(0,1),o=e.ray.intersectTriangle(Eo,To,na,!1,ea),o===null))return;const l=e.ray.origin.distanceTo(ea);l<e.near||l>e.far||t.push({distance:l,point:ea.clone(),uv:un.getInterpolation(ea,Eo,na,To,Wf,Eu,Xf,new j),face:null,object:this})}copy(e,t){return super.copy(e,t),e.center!==void 0&&this.center.copy(e.center),this.material=e.material,this}}function wo(i,e,t,n,r,s){ss.subVectors(i,t).addScalar(.5).multiply(n),r!==void 0?(ta.x=s*ss.x-r*ss.y,ta.y=r*ss.x+s*ss.y):ta.copy(ss),i.copy(e),i.x+=ta.x,i.y+=ta.y,i.applyMatrix4(p_)}const Ao=new P,qf=new P;class g_ extends pt{constructor(){super(),this.isLOD=!0,this._currentLevel=0,this.type="LOD",Object.defineProperties(this,{levels:{enumerable:!0,value:[]}}),this.autoUpdate=!0}copy(e){super.copy(e,!1);const t=e.levels;for(let n=0,r=t.length;n<r;n++){const s=t[n];this.addLevel(s.object.clone(),s.distance,s.hysteresis)}return this.autoUpdate=e.autoUpdate,this}addLevel(e,t=0,n=0){t=Math.abs(t);const r=this.levels;let s;for(s=0;s<r.length&&!(t<r[s].distance);s++);return r.splice(s,0,{distance:t,hysteresis:n,object:e}),this.add(e),this}removeLevel(e){const t=this.levels;for(let n=0;n<t.length;n++)if(t[n].distance===e){const r=t.splice(n,1);return this.remove(r[0].object),!0}return!1}getCurrentLevel(){return this._currentLevel}getObjectForDistance(e){const t=this.levels;if(t.length>0){let n,r;for(n=1,r=t.length;n<r;n++){let s=t[n].distance;if(t[n].object.visible&&(s-=s*t[n].hysteresis),e<s)break}return t[n-1].object}return null}raycast(e,t){if(this.levels.length>0){Ao.setFromMatrixPosition(this.matrixWorld);const r=e.ray.origin.distanceTo(Ao);this.getObjectForDistance(r).raycast(e,t)}}update(e){const t=this.levels;if(t.length>1){Ao.setFromMatrixPosition(e.matrixWorld),qf.setFromMatrixPosition(this.matrixWorld);const n=Ao.distanceTo(qf)/e.zoom;t[0].object.visible=!0;let r,s;for(r=1,s=t.length;r<s;r++){let a=t[r].distance;if(t[r].object.visible&&(a-=a*t[r].hysteresis),n>=a)t[r-1].object.visible=!1,t[r].object.visible=!0;else break}for(this._currentLevel=r-1;r<s;r++)t[r].object.visible=!1}}toJSON(e){const t=super.toJSON(e);this.autoUpdate===!1&&(t.object.autoUpdate=!1),t.object.levels=[];const n=this.levels;for(let r=0,s=n.length;r<s;r++){const a=n[r];t.object.levels.push({object:a.object.uuid,distance:a.distance,hysteresis:a.hysteresis})}return t}}const Ei=new P,Tu=new P,Co=new P,Gi=new P,wu=new P,Ro=new P,Au=new P;class nr{constructor(e=new P,t=new P(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,Ei)),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=Ei.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(Ei.copy(this.origin).addScaledVector(this.direction,t),Ei.distanceToSquared(e))}distanceSqToSegment(e,t,n,r){Tu.copy(e).add(t).multiplyScalar(.5),Co.copy(t).sub(e).normalize(),Gi.copy(this.origin).sub(Tu);const s=e.distanceTo(t)*.5,a=-this.direction.dot(Co),o=Gi.dot(this.direction),l=-Gi.dot(Co),c=Gi.lengthSq(),u=Math.abs(1-a*a);let h,d,f,p;if(u>0)if(h=a*l-o,d=a*o-l,p=s*u,h>=0)if(d>=-p)if(d<=p){const _=1/u;h*=_,d*=_,f=h*(h+a*d+2*o)+d*(a*h+d+2*l)+c}

1else d=s,h=Math.max(0,-(a*d+o)),f=-h*h+d*(d+2*l)+c;else d=-s,h=Math.max(0,-(a*d+o)),f=-h*h+d*(d+2*l)+c;else d<=-p?(h=Math.max(0,-(-a*s+o)),d=h>0?-s:Math.min(Math.max(-s,-l),s),f=-h*h+d*(d+2*l)+c):d<=p?(h=0,d=Math.min(Math.max(-s,-l),s),f=d*(d+2*l)+c):(h=Math.max(0,-(a*s+o)),d=h>0?s:Math.min(Math.max(-s,-l),s),f=-h*h+d*(d+2*l)+c);else d=a>0?-s:s,h=Math.max(0,-(a*d+o)),f=-h*h+d*(d+2*l)+c;return n&&n.copy(this.origin).addScaledVector(this.direction,h),r&&r.copy(Tu).addScaledVector(Co,d),f}intersectSphere(e,t){Ei.subVectors(e.center,this.origin);const n=Ei.dot(this.direction),r=Ei.dot(Ei)-n*n,s=e.radius*e.radius;if(r>s)return null;const a=Math.sqrt(s-r),o=n-a,l=n+a;return l<0?null:o<0?this.at(l,t):this.at(o,t)}intersectsSphere(e){return e.radius<0?!1:this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){const t=e.normal.dot(this.direction);if(t===0)return e.distanceToPoint(this.origin)===0?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 n===null?null:this.at(n,t)}intersectsPlane(e){const t=e.distanceToPoint(this.origin);return t===0||e.normal.dot(this.direction)*t<0}intersectBox(e,t){let n,r,s,a,o,l;const c=1/this.direction.x,u=1/this.direction.y,h=1/this.direction.z,d=this.origin;return c>=0?(n=(e.min.x-d.x)*c,r=(e.max.x-d.x)*c):(n=(e.max.x-d.x)*c,r=(e.min.x-d.x)*c),u>=0?(s=(e.min.y-d.y)*u,a=(e.max.y-d.y)*u):(s=(e.max.y-d.y)*u,a=(e.min.y-d.y)*u),n>a||s>r||((s>n||isNaN(n))&&(n=s),(a<r||isNaN(r))&&(r=a),h>=0?(o=(e.min.z-d.z)*h,l=(e.max.z-d.z)*h):(o=(e.max.z-d.z)*h,l=(e.min.z-d.z)*h),n>l||o>r)||((o>n||n!==n)&&(n=o),(l<r||r!==r)&&(r=l),r<0)?null:this.at(n>=0?n:r,t)}intersectsBox(e){return this.intersectBox(e,Ei)!==null}intersectTriangle(e,t,n,r,s){wu.subVectors(t,e),Ro.subVectors(n,e),Au.crossVectors(wu,Ro);let a=this.direction.dot(Au),o;if(a>0){if(r)return null;o=1}else if(a<0)o=-1,a=-a;else return null;Gi.subVectors(this.origin,e);const l=o*this.direction.dot(Ro.crossVectors(Gi,Ro));if(l<0)return null;const c=o*this.direction.dot(wu.cross(Gi));if(c<0||l+c>a)return null;const u=-o*Gi.dot(Au);return u<0?null:this.at(u/a,s)}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 Oi extends rn{constructor(e){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new Ee(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new ni,this.combine=ro,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapRotation.copy(e.envMapRotation),this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.fog=e.fog,this}}const $f=new We,cr=new nr,Io=new nn,Yf=new P,Po=new P,Lo=new P,No=new P,Cu=new P,Do=new P,Zf=new P,Oo=new P;class Dt extends pt{constructor(e=new et,t=new Oi){super(),this.isMesh=!0,this.type="Mesh",this.geometry=e,this.material=t,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.count=1,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),e.morphTargetInfluences!==void 0&&(this.morphTargetInfluences=e.morphTargetInfluences.slice()),e.morphTargetDictionary!==void 0&&(this.morphTargetDictionary=Object.assign({},e.morphTargetDictionary)),this.material=Array.isArray(e.material)?e.material.slice():e.material,this.geometry=e.geometry,this}updateMorphTargets(){const t=this.geometry.morphAttributes,n=Object.keys(t);if(n.length>0){const r=t[n[0]];if(r!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let s=0,a=r.length;s<a;s++){const o=r[s].name||String(s);this.morphTargetInfluences.push(0),this.morphTargetDictionary[o]=s}}}}getVertexPosition(e,t){const n=this.geometry,r=n.attributes.position,s=n.morphAttributes.position,a=n.morphTargetsRelative;t.fromBufferAttribute(r,e);const o=this.morphTargetInfluences;if(s&&o){Do.set(0,0,0);for(let l=0,c=s.length;l<c;l++){const u=o[l],h=s[l];u!==0&&(Cu.fromBufferAttribute(h,e),a?Do.addScaledVector(Cu,u):Do.addScaledVector(Cu.sub(t),u))}t.add(Do)}return t}raycast(e,t){const n=this.geometry,r=this.material,s=this.matrixWorld;r!==void 0&&(n.boundingSphere===null&&n.computeBoundingSphere(),Io.copy(n.boundingSphere),Io.applyMatrix4(s),cr.copy(e.ray).recast(e.near),!(Io.containsPoint(cr.origin)===!1&&(cr.intersectSphere(Io,Yf)===null||cr.origin.distanceToSquared(Yf)>(e.far-e.near)**2))&&($f.copy(s).invert(),cr.copy(e.ray).applyMatrix4($f),!(n.boundingBox!==null&&cr.intersectsBox(n.boundingBox)===!1)&&this._computeIntersections(e,t,cr)))}_computeIntersections(e,t,n){let r;const s=this.geometry,a=this.material,o=s.index,l=s.attributes.position,c=s.attributes.uv,u=s.attributes.uv1,h=s.attributes.normal,d=s.groups,f=s.drawRange;if(o!==null)if(Array.isArray(a))for(let p=0,_=d.length;p<_;p++){const g=d[p],m=a[g.materialIndex],v=Math.max(g.start,f.start),b=Math.min(o.count,Math.min(g.start+g.count,f.start+f.count));for(let y=v,T=b;y<T;y+=3){const S=o.getX(y),R=o.getX(y+1),x=o.getX(y+2);r=Uo(this,m,e,n,c,u,h,S,R,x),r&&(r.faceIndex=Math.floor(y/3),r.face.materialIndex=g.materialIndex,t.push(r))}}else{const p=Math.max(0,f.start),_=Math.min(o.count,f.start+f.count);for(let g=p,m=_;g<m;g+=3){const v=o.getX(g),b=o.getX(g+1),y=o.getX(g+2);r=Uo(this,a,e,n,c,u,h,v,b,y),r&&(r.faceIndex=Math.floor(g/3),t.push(r))}}else if(l!==void 0)if(Array.isArray(a))for(let p=0,_=d.length;p<_;p++){const g=d[p],m=a[g.materialIndex],v=Math.max(g.start,f.start),b=Math.min(l.count,Math.min(g.start+g.count,f.start+f.count));for(let y=v,T=b;y<T;y+=3){const S=y,R=y+1,x=y+2;r=Uo(this,m,e,n,c,u,h,S,R,x),r&&(r.faceIndex=Math.floor(y/3),r.face.materialIndex=g.materialIndex,t.push(r))}}else{const p=Math.max(0,f.start),_=Math.min(l.count,f.start+f.count);for(let g=p,m=_;g<m;g+=3){const v=g,b=g+1,y=g+2;r=Uo(this,a,e,n,c,u,h,v,b,y),r&&(r.faceIndex=Math.floor(g/3),t.push(r))}}}}function dM(i,e,t,n,r,s,a,o){let l;if(e.side===yn?l=n.intersectTriangle(a,s,r,!0,o):l=n.intersectTriangle(r,s,a,e.side===Pi,o),l===null)return null;Oo.copy(o),Oo.applyMatrix4(i.matrixWorld);const c=t.ray.origin.distanceTo(Oo);return c<t.near||c>t.far?null:{distance:c,point:Oo.clone(),object:i}}function Uo(i,e,t,n,r,s,a,o,l,c){i.getVertexPosition(o,Po),i.getVertexPosition(l,Lo),i.getVertexPosition(c,No);const u=dM(i,e,t,n,Po,Lo,No,Zf);if(u){const h=new P;un.getBarycoord(Zf,Po,Lo,No,h),r&&(u.uv=un.getInterpolatedAttribute(r,o,l,c,h,new j)),s&&(u.uv1=un.getInterpolatedAttribute(s,o,l,c,h,new j)),a&&(u.normal=un.getInterpolatedAttribute(a,o,l,c,h,new P),u.normal.dot(n.direction)>0&&u.normal.multiplyScalar(-1));const d={a:o,b:l,c,normal:new P,materialIndex:0};un.getNormal(Po,Lo,No,d.normal),u.face=d,u.barycoord=h}return u}const ia=new Et,Kf=new Et,Jf=new Et,fM=new Et,jf=new We,Fo=new P,Ru=new nn,Qf=new We,Iu=new nr;class __ extends Dt{constructor(e,t){super(e,t),this.isSkinnedMesh=!0,this.type="SkinnedMesh",this.bindMode=gh,this.bindMatrix=new We,this.bindMatrixInverse=new We,this.boundingBox=null,this.boundingSphere=null}computeBoundingBox(){const e=this.geometry;this.boundingBox===null&&(this.boundingBox=new hn),this.boundingBox.makeEmpty();const t=e.getAttribute("position");for(let n=0;n<t.count;n++)this.getVertexPosition(n,Fo),this.boundingBox.expandByPoint(Fo)}computeBoundingSphere(){const e=this.geometry;this.boundingSphere===null&&(this.boundingSphere=new nn),this.boundingSphere.makeEmpty();const t=e.getAttribute("position");for(let n=0;n<t.count;n++)this.getVertexPosition(n,Fo),this.boundingSphere.expandByPoint(Fo)}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,e.boundingBox!==null&&(this.boundingBox=e.boundingBox.clone()),e.boundingSphere!==null&&(this.boundingSphere=e.boundingSphere.clone()),this}raycast(e,t){const n=this.material,r=this.matrixWorld;n!==void 0&&(this.boundingSphere===null&&this.computeBoundingSphere(),Ru.copy(this.boundingSphere),Ru.applyMatrix4(r),e.ray.intersectsSphere(Ru)!==!1&&(Qf.copy(r).invert(),Iu.copy(e.ray).applyMatrix4(Qf),!(this.boundingBox!==null&&Iu.intersectsBox(this.boundingBox)===!1)&&this._computeIntersections(e,t,Iu)))}getVertexPosition(e,t){return super.getVertexPosition(e,t),this.applyBoneTransform(e,t),t}bind(e,t){this.skeleton=e,t===void 0&&(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 Et,t=this.geometry.attributes.skinWeight;for(let n=0,r=t.count;n<r;n++){e.fromBufferAttribute(t,n);const s=1/e.manhattanLength();s!==1/0?e.multiplyScalar(s):e.set(1,0,0,0),t.setXYZW(n,e.x,e.y,e.z,e.w)}}updateMatrixWorld(e){super.updateMatrixWorld(e),this.bindMode===gh?this.bindMatrixInverse.copy(this.matrixWorld).invert():this.bindMode===Zg?this.bindMatrixInverse.copy(this.bindMatrix).invert():_e("SkinnedMesh: Unrecognized bindMode: "+this.bindMode)}applyBoneTransform(e,t){const n=this.skeleton,r=this.geometry;Kf.fromBufferAttribute(r.attributes.skinIndex,e),Jf.fromBufferAttribute(r.attributes.skinWeight,e),t.isVector4?(ia.copy(t),t.set(0,0,0,0)):(ia.set(...t,1),t.set(0,0,0)),ia.applyMatrix4(this.bindMatrix);for(let s=0;s<4;s++){const a=Jf.getComponent(s);if(a!==0){const o=Kf.getComponent(s);jf.multiplyMatrices(n.bones[o].matrixWorld,n.boneInverses[o]),t.addScaledVector(fM.copy(ia).applyMatrix4(jf),a)}}return t.isVector4&&(t.w=ia.w),t.applyMatrix4(this.bindMatrixInverse)}}class bd extends pt{constructor(){super(),this.isBone=!0,this.type="Bone"}}class ti extends Ft{constructor(e=null,t=1,n=1,r,s,a,o,l,c=Xt,u=Xt,h,d){super(null,a,o,l,c,u,r,s,h,d),this.isDataTexture=!0,this.image={data:e,width:t,height:n},this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}const ep=new We,pM=new We;class Bc{constructor(e=[],t=[]){this.uuid=Fn(),this.bones=e.slice(0),this.boneInverses=t,this.boneMatrices=null,this.previousBoneMatrices=null,this.boneTexture=null,this.init()}init(){const e=this.bones,t=this.boneInverses;if(this.boneMatrices=new Float32Array(e.length*16),t.length===0)this.calculateInverses();else if(e.length!==t.length){_e("Skeleton: Number of inverse bone matrices does not match amount of bones."),this.boneInverses=[];for(let n=0,r=this.bones.length;n<r;n++)this.boneInverses.push(new We)}}calculateInverses(){this.boneInverses.length=0;for(let e=0,t=this.bones.length;e<t;e++){const n=new We;this.bones[e]&&n.copy(this.bones[e].matrixWorld).invert(),this.boneInverses.push(n)}}pose(){for(let e=0,t=this.bones.length;e<t;e++){const n=this.bones[e];n&&n.matrixWorld.copy(this.boneInverses[e]).invert()}for(let e=0,t=this.bones.length;e<t;e++){const n=this.bones[e];n&&(n.parent&&n.parent.isBone?(n.matrix.copy(n.parent.matrixWorld).invert(),n.matrix.multiply(n.matrixWorld)):n.matrix.copy(n.matrixWorld),n.matrix.decompose(n.position,n.quaternion,n.scale))}}update(){const e=this.bones,t=this.boneInverses,n=this.boneMatrices,r=this.boneTexture;for(let s=0,a=e.length;s<a;s++){const o=e[s]?e[s].matrixWorld:pM;ep.multiplyMatrices(o,t[s]),ep.toArray(n,s*16)}r!==null&&(r.needsUpdate=!0)}clone(){return new Bc(this.bones,this.boneInverses)}computeBoneTexture(){let e=Math.sqrt(this.bones.length*4);e=Math.ceil(e/4)*4,e=Math.max(e,4);const t=new Float32Array(e*e*4);t.set(this.boneMatrices);const n=new ti(t,e,e,xn,vn);return n.needsUpdate=!0,this.boneMatrices=t,this.boneTexture=n,this}getBoneByName(e){for(let t=0,n=this.bones.length;t<n;t++){const r=this.bones[t];if(r.name===e)return r}}dispose(){this.boneTexture!==null&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(e,t){this.uuid=e.uuid;for(let n=0,r=e.bones.length;n<r;n++){const s=e.bones[n];let a=t[s];a===void 0&&(_e("Skeleton: No bone found with UUID:",s),a=new bd),this.bones.push(a),this.boneInverses.push(new We().fromArray(e.boneInverses[n]))}return this.init(),this}toJSON(){const e={metadata:{version:4.7,type:"Skeleton",generator:"Skeleton.toJSON"},bones:[],boneInverses:[]};e.uuid=this.uuid;const t=this.bones,n=this.boneInverses;for(let r=0,s=t.length;r<s;r++){const a=t[r];e.bones.push(a.uuid);const o=n[r];e.boneInverses.push(o.toArray())}return e}}class Ns extends ut{constructor(e,t,n,r=1){super(e,t,n),this.isInstancedBufferAttribute=!0,this.meshPerAttribute=r}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 as=new We,tp=new We,Bo=[],np=new hn,mM=new We,ra=new Dt,sa=new nn;class v_ extends Dt{constructor(e,t,n){super(e,t),this.isInstancedMesh=!0,this.instanceMatrix=new Ns(new Float32Array(n*16),16),this.previousInstanceMatrix=null,this.instanceColor=null,this.morphTexture=null,this.count=n,this.boundingBox=null,this.boundingSphere=null;for(let r=0;r<n;r++)this.setMatrixAt(r,mM)}computeBoundingBox(){const e=this.geometry,t=this.count;this.boundingBox===null&&(this.boundingBox=new hn),e.boundingBox===null&&e.computeBoundingBox(),this.boundingBox.makeEmpty();for(let n=0;n<t;n++)this.getMatrixAt(n,as),np.copy(e.boundingBox).applyMatrix4(as),this.boundingBox.union(np)}computeBoundingSphere(){const e=this.geometry,t=this.count;this.boundingSphere===null&&(this.boundingSphere=new nn),e.boundingSphere===null&&e.computeBoundingSphere(),this.boundingSphere.makeEmpty();for(let n=0;n<t;n++)this.getMatrixAt(n,as),sa.copy(e.boundingSphere).applyMatrix4(as),this.boundingSphere.union(sa)}copy(e,t){return super.copy(e,t),this.instanceMatrix.copy(e.instanceMatrix),e.previousInstanceMatrix!==null&&(this.previousInstanceMatrix=e.previousInstanceMatrix.clone()),e.morphTexture!==null&&(this.morphTexture=e.morphTexture.clone()),e.instanceColor!==null&&(this.instanceColor=e.instanceColor.clone()),this.count=e.count,e.boundingBox!==null&&(this.boundingBox=e.boundingBox.clone()),e.boundingSphere!==null&&(this.boundingSphere=e.boundingSphere.clone()),this}getColorAt(e,t){return this.instanceColor===null?t.setRGB(1,1,1):t.fromArray(this.instanceColor.array,e*3)}getMatrixAt(e,t){return t.fromArray(this.instanceMatrix.array,e*16)}getMorphAt(e,t){const n=t.morphTargetInfluences,r=this.morphTexture.source.data.data,s=n.length+1,a=e*s+1;for(let o=0;o<n.length;o++)n[o]=r[a+o]}raycast(e,t){const n=this.matrixWorld,r=this.count;if(ra.geometry=this.geometry,ra.material=this.material,ra.material!==void 0&&(this.boundingSphere===null&&this.computeBoundingSphere(),sa.copy(this.boundingSphere),sa.applyMatrix4(n),e.ray.intersectsSphere(sa)!==!1))for(let s=0;s<r;s++){this.getMatrixAt(s,as),tp.multiplyMatrices(n,as),ra.matrixWorld=tp,ra.raycast(e,Bo);for(let a=0,o=Bo.length;a<o;a++){const l=Bo[a];l.instanceId=s,l.object=this,t.push(l)}Bo.length=0}}setColorAt(e,t){return this.instanceColor===null&&(this.instanceColor=new Ns(new Float32Array(this.instanceMatrix.count*3).fill(1),3)),t.toArray(this.instanceColor.array,e*3),this}setMatrixAt(e,t){return t.toArray(this.instanceMatrix.array,e*16),this}setMorphAt(e,t){const n=t.morphTargetInfluences,r=n.length+1;this.morphTexture===null&&(this.morphTexture=new ti(new Float32Array(r*this.count),r,this.count,wc,vn));const s=this.morphTexture.source.data.data;let a=0;for(let c=0;c<n.length;c++)a+=n[c];const o=this.geometry.morphTargetsRelative?1:1-a,l=r*e;return s[l]=o,s.set(n,l+1),this}updateMorphTargets(){}dispose(){this.dispatchEvent({type:"dispose"}),this.morphTexture!==null&&(this.morphTexture.dispose(),this.morphTexture=null)}}const Pu=new P,gM=new P,_M=new tt;class Ai{constructor(e=new P(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,r){return this.normal.set(e,t,n),this.constant=r,this}setFromNormalAndCoplanarPoint(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this}

1setFromCoplanarPoints(e,t,n){const r=Pu.subVectors(n,t).cross(gM.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(r,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,n=!0){const r=e.delta(Pu),s=this.normal.dot(r);if(s===0)return this.distanceToPoint(e.start)===0?t.copy(e.start):null;const a=-(e.start.dot(this.normal)+this.constant)/s;return n===!0&&(a<0||a>1)?null:t.copy(e.start).addScaledVector(r,a)}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||_M.getNormalMatrix(e),r=this.coplanarPoint(Pu).applyMatrix4(e),s=this.normal.applyMatrix3(n).normalize();return this.constant=-r.dot(s),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 ur=new nn,vM=new j(.5,.5),ko=new P;class Ws{constructor(e=new Ai,t=new Ai,n=new Ai,r=new Ai,s=new Ai,a=new Ai){this.planes=[e,t,n,r,s,a]}set(e,t,n,r,s,a){const o=this.planes;return o[0].copy(e),o[1].copy(t),o[2].copy(n),o[3].copy(r),o[4].copy(s),o[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=Un,n=!1){const r=this.planes,s=e.elements,a=s[0],o=s[1],l=s[2],c=s[3],u=s[4],h=s[5],d=s[6],f=s[7],p=s[8],_=s[9],g=s[10],m=s[11],v=s[12],b=s[13],y=s[14],T=s[15];if(r[0].setComponents(c-a,f-u,m-p,T-v).normalize(),r[1].setComponents(c+a,f+u,m+p,T+v).normalize(),r[2].setComponents(c+o,f+h,m+_,T+b).normalize(),r[3].setComponents(c-o,f-h,m-_,T-b).normalize(),n)r[4].setComponents(l,d,g,y).normalize(),r[5].setComponents(c-l,f-d,m-g,T-y).normalize();else if(r[4].setComponents(c-l,f-d,m-g,T-y).normalize(),t===Un)r[5].setComponents(c+l,f+d,m+g,T+y).normalize();else if(t===Ur)r[5].setComponents(l,d,g,y).normalize();else throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+t);return this}intersectsObject(e){if(e.boundingSphere!==void 0)e.boundingSphere===null&&e.computeBoundingSphere(),ur.copy(e.boundingSphere).applyMatrix4(e.matrixWorld);else{const t=e.geometry;t.boundingSphere===null&&t.computeBoundingSphere(),ur.copy(t.boundingSphere).applyMatrix4(e.matrixWorld)}return this.intersectsSphere(ur)}intersectsSprite(e){ur.center.set(0,0,0);const t=vM.distanceTo(e.center);return ur.radius=.7071067811865476+t,ur.applyMatrix4(e.matrixWorld),this.intersectsSphere(ur)}intersectsSphere(e){const t=this.planes,n=e.center,r=-e.radius;for(let s=0;s<6;s++)if(t[s].distanceToPoint(n)<r)return!1;return!0}intersectsBox(e){const t=this.planes;for(let n=0;n<6;n++){const r=t[n];if(ko.x=r.normal.x>0?e.max.x:e.min.x,ko.y=r.normal.y>0?e.max.y:e.min.y,ko.z=r.normal.z>0?e.max.z:e.min.z,r.distanceToPoint(ko)<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)}}const li=new We,ci=new Ws;class kc{constructor(){this.coordinateSystem=Un}intersectsObject(e,t){if(!t.isArrayCamera||t.cameras.length===0)return!1;for(let n=0;n<t.cameras.length;n++){const r=t.cameras[n];if(li.multiplyMatrices(r.projectionMatrix,r.matrixWorldInverse),ci.setFromProjectionMatrix(li,r.coordinateSystem,r.reversedDepth),ci.intersectsObject(e))return!0}return!1}intersectsSprite(e,t){if(!t||!t.cameras||t.cameras.length===0)return!1;for(let n=0;n<t.cameras.length;n++){const r=t.cameras[n];if(li.multiplyMatrices(r.projectionMatrix,r.matrixWorldInverse),ci.setFromProjectionMatrix(li,r.coordinateSystem,r.reversedDepth),ci.intersectsSprite(e))return!0}return!1}intersectsSphere(e,t){if(!t||!t.cameras||t.cameras.length===0)return!1;for(let n=0;n<t.cameras.length;n++){const r=t.cameras[n];if(li.multiplyMatrices(r.projectionMatrix,r.matrixWorldInverse),ci.setFromProjectionMatrix(li,r.coordinateSystem,r.reversedDepth),ci.intersectsSphere(e))return!0}return!1}intersectsBox(e,t){if(!t||!t.cameras||t.cameras.length===0)return!1;for(let n=0;n<t.cameras.length;n++){const r=t.cameras[n];if(li.multiplyMatrices(r.projectionMatrix,r.matrixWorldInverse),ci.setFromProjectionMatrix(li,r.coordinateSystem,r.reversedDepth),ci.intersectsBox(e))return!0}return!1}containsPoint(e,t){if(!t||!t.cameras||t.cameras.length===0)return!1;for(let n=0;n<t.cameras.length;n++){const r=t.cameras[n];if(li.multiplyMatrices(r.projectionMatrix,r.matrixWorldInverse),ci.setFromProjectionMatrix(li,r.coordinateSystem,r.reversedDepth),ci.containsPoint(e))return!0}return!1}clone(){return new kc}}function Lu(i,e){return i-e}function xM(i,e){return i.z-e.z}function yM(i,e){return e.z-i.z}class bM{constructor(){this.index=0,this.pool=[],this.list=[]}push(e,t,n,r){const s=this.pool,a=this.list;this.index>=s.length&&s.push({start:-1,count:-1,z:-1,index:-1});const o=s[this.index];a.push(o),this.index++,o.start=e,o.count=t,o.z=n,o.index=r}reset(){this.list.length=0,this.index=0}}const Sn=new We,SM=new Ee(1,1,1),ip=new Ws,MM=new kc,Vo=new hn,hr=new nn,aa=new P,rp=new P,EM=new P,Nu=new bM,ln=new Dt,zo=[];function TM(i,e,t=0){const n=e.itemSize;

1if(i.isInterleavedBufferAttribute||i.array.constructor!==e.array.constructor){const r=i.count;for(let s=0;s<r;s++)for(let a=0;a<n;a++)e.setComponent(s+t,a,i.getComponent(s,a))}else e.array.set(i.array,t*n);e.needsUpdate=!0}function dr(i,e){if(i.constructor!==e.constructor){const t=Math.min(i.length,e.length);for(let n=0;n<t;n++)e[n]=i[n]}else{const t=Math.min(i.length,e.length);e.set(new i.constructor(i.buffer,0,t))}}class x_ extends Dt{constructor(e,t,n=t*2,r){super(new et,r),this.isBatchedMesh=!0,this.perObjectFrustumCulled=!0,this.sortObjects=!0,this.boundingBox=null,this.boundingSphere=null,this.customSort=null,this._instanceInfo=[],this._geometryInfo=[],this._availableInstanceIds=[],this._availableGeometryIds=[],this._nextIndexStart=0,this._nextVertexStart=0,this._geometryCount=0,this._visibilityChanged=!0,this._geometryInitialized=!1,this._maxInstanceCount=e,this._maxVertexCount=t,this._maxIndexCount=n,this._multiDrawCounts=new Int32Array(e),this._multiDrawStarts=new Int32Array(e),this._multiDrawCount=0,this._matricesTexture=null,this._indirectTexture=null,this._colorsTexture=null,this._initMatricesTexture(),this._initIndirectTexture()}get maxInstanceCount(){return this._maxInstanceCount}get instanceCount(){return this._instanceInfo.length-this._availableInstanceIds.length}get unusedVertexCount(){return this._maxVertexCount-this._nextVertexStart}get unusedIndexCount(){return this._maxIndexCount-this._nextIndexStart}_initMatricesTexture(){let e=Math.sqrt(this._maxInstanceCount*4);e=Math.ceil(e/4)*4,e=Math.max(e,4);const t=new Float32Array(e*e*4),n=new ti(t,e,e,xn,vn);this._matricesTexture=n}_initIndirectTexture(){let e=Math.sqrt(this._maxInstanceCount);e=Math.ceil(e);const t=new Uint32Array(e*e),n=new ti(t,e,e,so,Gn);this._indirectTexture=n}_initColorsTexture(){let e=Math.sqrt(this._maxInstanceCount);e=Math.ceil(e);const t=new Float32Array(e*e*4).fill(1),n=new ti(t,e,e,xn,vn);

1n.colorSpace=dt.workingColorSpace,this._colorsTexture=n}_initializeGeometry(e){const t=this.geometry,n=this._maxVertexCount,r=this._maxIndexCount;if(this._geometryInitialized===!1){for(const s in e.attributes){const a=e.getAttribute(s),{array:o,itemSize:l,normalized:c}=a,u=new o.constructor(n*l),h=new ut(u,l,c);t.setAttribute(s,h)}if(e.getIndex()!==null){const s=n>65535?new Uint32Array(r):new Uint16Array(r);t.setIndex(new ut(s,1))}this._geometryInitialized=!0}}_validateGeometry(e){const t=this.geometry;if(!!e.getIndex()!=!!t.getIndex())throw new Error('THREE.BatchedMesh: All geometries must consistently have "index".');for(const n in t.attributes){if(!e.hasAttribute(n))throw new Error(`THREE.BatchedMesh: Added geometry missing "${n}". All geometries must have consistent attributes.`);const r=e.getAttribute(n),s=t.getAttribute(n);if(r.itemSize!==s.itemSize||r.normalized!==s.normalized)throw new Error("THREE.BatchedMesh: All attributes must have a consistent itemSize and normalized value.")}}validateInstanceId(e){const t=this._instanceInfo;if(e<0||e>=t.length||t[e].active===!1)throw new Error(`THREE.BatchedMesh: Invalid instanceId ${e}. Instance is either out of range or has been deleted.`)}validateGeometryId(e){const t=this._geometryInfo;if(e<0||e>=t.length||t[e].active===!1)throw new Error(`THREE.BatchedMesh: Invalid geometryId ${e}. Geometry is either out of range or has been deleted.`)}setCustomSort(e){return this.customSort=e,this}computeBoundingBox(){this.boundingBox===null&&(this.boundingBox=new hn);const e=this.boundingBox,t=this._instanceInfo;e.makeEmpty();for(let n=0,r=t.length;n<r;n++){if(t[n].active===!1)continue;const s=t[n].geometryIndex;this.getMatrixAt(n,Sn),this.getBoundingBoxAt(s,Vo).applyMatrix4(Sn),e.union(Vo)}}computeBoundingSphere(){this.boundingSphere===null&&(this.boundingSphere=new nn);const e=this.boundingSphere,t=this._instanceInfo;e.makeEmpty();for(let n=0,r=t.length;n<r;n++){if(t[n].active===!1)continue;const s=t[n].geometryIndex;this.getMatrixAt(n,Sn),this.getBoundingSphereAt(s,hr).applyMatrix4(Sn),e.union(hr)}}addInstance(e){if(this._instanceInfo.length>=this.maxInstanceCount&&this._availableInstanceIds.length===0)throw new Error("THREE.BatchedMesh: Maximum item count reached.");const n={visible:!0,active:!0,geometryIndex:e};let r=null;this._availableInstanceIds.length>0?(this._availableInstanceIds.sort(Lu),r=this._availableInstanceIds.shift(),this._instanceInfo[r]=n):(r=this._instanceInfo.length,this._instanceInfo.push(n));const s=this._matricesTexture;Sn.identity().toArray(s.image.data,r*16),s.needsUpdate=!0;const a=this._colorsTexture;return a&&(SM.toArray(a.image.data,r*4),a.needsUpdate=!0),this._visibilityChanged=!0,r}addGeometry(e,t=-1,n=-1){this._initializeGeometry(e),this._validateGeometry(e);const r={vertexStart:-1,vertexCount:-1,reservedVertexCount:-1,indexStart:-1,indexCount:-1,reservedIndexCount:-1,start:-1,count:-1,boundingBox:null,boundingSphere:null,active:!0},s=this._geometryInfo;r.vertexStart=this._nextVertexStart,r.reservedVertexCount=t===-1?e.getAttribute("position").count:t;const a=e.getIndex();if(a!==null&&(r.indexStart=this._nextIndexStart,r.reservedIndexCount=n===-1?a.count:n),r.indexStart!==-1&&r.indexStart+r.reservedIndexCount>this._maxIndexCount||r.vertexStart+r.reservedVertexCount>this._maxVertexCount)throw new Error("THREE.BatchedMesh: Reserved space request exceeds the maximum buffer size.");let l;return this._availableGeometryIds.length>0?(this._availableGeometryIds.sort(Lu),l=this._availableGeometryIds.shift(),s[l]=r):(l=this._geometryCount,this._geometryCount++,s.push(r)),this.setGeometryAt(l,e),this._nextIndexStart=r.indexStart+r.reservedIndexCount,this._nextVertexStart=r.vertexStart+r.reservedVertexCount,l}setGeometryAt(e,t){if(e>=this._geometryCount)throw new Error("THREE.BatchedMesh: Maximum geometry count reached.");this._validateGeometry(t);const n=this.geometry,r=n.getIndex()!==null,s=n.getIndex(),a=t.getIndex(),o=this._geometryInfo[e];if(r&&a.count>o.reservedIndexCount||t.attributes.position.count>o.reservedVertexCount)throw new Error("THREE.BatchedMesh: Reserved space not large enough for provided geometry.");const l=o.vertexStart,c=o.reservedVertexCount;o.vertexCount=t.getAttribute("position").count;for(const u in n.attributes){const h=t.getAttribute(u),d=n.getAttribute(u);TM(h,d,l);const f=h.itemSize;

1for(let p=h.count,_=c;p<_;p++){const g=l+p;for(let m=0;m<f;m++)d.setComponent(g,m,0)}d.needsUpdate=!0,d.addUpdateRange(l*f,c*f)}if(r){const u=o.indexStart,h=o.reservedIndexCount;o.indexCount=t.getIndex().count;for(let d=0;d<a.count;d++)s.setX(u+d,l+a.getX(d));for(let d=a.count,f=h;d<f;d++)s.setX(u+d,l);s.needsUpdate=!0,s.addUpdateRange(u,o.reservedIndexCount)}return o.start=r?o.indexStart:o.vertexStart,o.count=r?o.indexCount:o.vertexCount,o.boundingBox=null,t.boundingBox!==null&&(o.boundingBox=t.boundingBox.clone()),o.boundingSphere=null,t.boundingSphere!==null&&(o.boundingSphere=t.boundingSphere.clone()),this._visibilityChanged=!0,e}deleteGeometry(e){const t=this._geometryInfo;if(e>=t.length||t[e].active===!1)return this;const n=this._instanceInfo;for(let r=0,s=n.length;r<s;r++)n[r].active&&n[r].geometryIndex===e&&this.deleteInstance(r);return t[e].active=!1,this._availableGeometryIds.push(e),this._visibilityChanged=!0,this}deleteInstance(e){return this.validateInstanceId(e),this._instanceInfo[e].active=!1,this._availableInstanceIds.push(e),this._visibilityChanged=!0,this}optimize(){let e=0,t=0;const n=this._geometryInfo,r=n.map((a,o)=>o).sort((a,o)=>n[a].vertexStart-n[o].vertexStart),s=this.geometry;for(let a=0,o=n.length;a<o;a++){const l=r[a],c=n[l];if(c.active!==!1){if(s.index!==null){if(c.indexStart!==t){const{indexStart:u,vertexStart:h,reservedIndexCount:d}=c,f=s.index,p=f.array,_=e-h;for(let g=u;g<u+d;g++)p[g]=p[g]+_;f.array.copyWithin(t,u,u+d),f.addUpdateRange(t,d),f.needsUpdate=!0,c.indexStart=t}t+=c.reservedIndexCount}if(c.vertexStart!==e){const{vertexStart:u,reservedVertexCount:h}=c,d=s.attributes;for(const f in d){const p=d[f],{array:_,itemSize:g}=p;_.copyWithin(e*g,u*g,(u+h)*g),p.addUpdateRange(e*g,h*g),p.needsUpdate=!0}c.vertexStart=e}e+=c.reservedVertexCount,c.start=s.index?c.indexStart:c.vertexStart}}return this._nextIndexStart=t,this._nextVertexStart=e,this._visibilityChanged=!0,this}getBoundingBoxAt(e,t){if(e>=this._geometryCount)return null;const n=this.geometry,r=this._geometryInfo[e];if(r.boundingBox===null){const s=new hn,a=n.index,o=n.attributes.position;for(let l=r.start,c=r.start+r.count;l<c;l++){let u=l;a&&(u=a.getX(u)),s.expandByPoint(aa.fromBufferAttribute(o,u))}r.boundingBox=s}return t.copy(r.boundingBox),t}getBoundingSphereAt(e,t){if(e>=this._geometryCount)return null;const n=this.geometry,r=this._geometryInfo[e];if(r.boundingSphere===null){const s=new nn;this.getBoundingBoxAt(e,Vo),Vo.getCenter(s.center);const a=n.index,o=n.attributes.position;let l=0;for(let c=r.start,u=r.start+r.count;c<u;c++){let h=c;a&&(h=a.getX(h)),aa.fromBufferAttribute(o,h),l=Math.max(l,s.center.distanceToSquared(aa))}s.radius=Math.sqrt(l),r.boundingSphere=s}return t.copy(r.boundingSphere),t}setMatrixAt(e,t){this.validateInstanceId(e);const n=this._matricesTexture,r=this._matricesTexture.image.data;return t.toArray(r,e*16),n.needsUpdate=!0,this}getMatrixAt(e,t){return this.validateInstanceId(e),t.fromArray(this._matricesTexture.image.data,e*16)}setColorAt(e,t){return this.validateInstanceId(e),this._colorsTexture===null&&this._initColorsTexture(),t.toArray(this._colorsTexture.image.data,e*4),this._colorsTexture.needsUpdate=!0,this}getColorAt(e,t){return this.validateInstanceId(e),this._colorsTexture===null?t.isVector4?t.set(1,1,1,1):t.setRGB(1,1,1):t.fromArray(this._colorsTexture.image.data,e*4)}setVisibleAt(e,t){return this.validateInstanceId(e),this._instanceInfo[e].visible===t?this:(this._instanceInfo[e].visible=t,this._visibilityChanged=!0,this)}getVisibleAt(e){return this.validateInstanceId(e),this._instanceInfo[e].visible}setGeometryIdAt(e,t){return this.validateInstanceId(e),this.validateGeometryId(t),this._instanceInfo[e].geometryIndex=t,this}getGeometryIdAt(e){return this.validateInstanceId(e),this._instanceInfo[e].geometryIndex}getGeometryRangeAt(e,t={}){this.validateGeometryId(e);const n=this._geometryInfo[e];return t.vertexStart=n.vertexStart,t.vertexCount=n.vertexCount,t.reservedVertexCount=n.reservedVertexCount,t.indexStart=n.indexStart,t.indexCount=n.indexCount,t.reservedIndexCount=n.reservedIndexCount,t.start=n.start,t.count=n.count,t}setInstanceCount(e){const t=this._availableInstanceIds,n=this._instanceInfo;for(t.sort(Lu);t[t.length-1]===n.length-1;)n.pop(),t.pop();if(e<n.length)throw new Error(`BatchedMesh: Instance ids outside the range ${e} are being used. Cannot shrink instance count.`);const r=new Int32Array(e),s=new Int32Array(e);dr(this._multiDrawCounts,r),dr(this._multiDrawStarts,s),this._multiDrawCounts=r,this._multiDrawStarts=s,this._maxInstanceCount=e;const a=this._indirectTexture,o=this._matricesTexture,l=this._colorsTexture;a.dispose(),this._initIndirectTexture(),dr(a.image.data,this._indirectTexture.image.data),o.dispose(),this._initMatricesTexture(),dr(o.image.data,this._matricesTexture.image.data),l&&(l.dis

1pose(),this._initColorsTexture(),dr(l.image.data,this._colorsTexture.image.data))}setGeometrySize(e,t){const n=[...this._geometryInfo].filter(o=>o.active);if(Math.max(...n.map(o=>o.vertexStart+o.reservedVertexCount))>e)throw new Error(`BatchedMesh: Geometry vertex values are being used outside the range ${t}. Cannot shrink further.`);if(this.geometry.index&&Math.max(...n.map(l=>l.indexStart+l.reservedIndexCount))>t)throw new Error(`BatchedMesh: Geometry index values are being used outside the range ${t}. Cannot shrink further.`);const s=this.geometry;s.dispose(),this._maxVertexCount=e,this._maxIndexCount=t,this._geometryInitialized&&(this._geometryInitialized=!1,this.geometry=new et,this._initializeGeometry(s));const a=this.geometry;s.index&&dr(s.index.array,a.index.array);for(const o in s.attributes)dr(s.attributes[o].array,a.attributes[o].array)}raycast(e,t){const n=this._instanceInfo,r=this._geometryInfo,s=this.matrixWorld,a=this.geometry;ln.material=this.material,ln.geometry.index=a.index,ln.geometry.attributes=a.attributes,ln.geometry.boundingBox===null&&(ln.geometry.boundingBox=new hn),ln.geometry.boundingSphere===null&&(ln.geometry.boundingSphere=new nn);for(let o=0,l=n.length;o<l;o++){if(!n[o].visible||!n[o].active)continue;const c=n[o].geometryIndex,u=r[c];ln.geometry.setDrawRange(u.start,u.count),this.getMatrixAt(o,ln.matrixWorld).premultiply(s),this.getBoundingBoxAt(c,ln.geometry.boundingBox),this.getBoundingSphereAt(c,ln.geometry.boundingSphere),ln.raycast(e,zo);for(let h=0,d=zo.length;h<d;h++){const f=zo[h];f.object=this,f.batchId=o,t.push(f)}zo.length=0}ln.material=null,ln.geometry.index=null,ln.geometry.attributes={},ln.geometry.setDrawRange(0,1/0)}copy(e){return super.copy(e),this.geometry=e.geometry.clone(),this.perObjectFrustumCulled=e.perObjectFrustumCulled,this.sortObjects=e.sortObjects,this.boundingBox=e.boundingBox!==null?e.boundingBox.clone():null,this.boundingSphere=e.boundingSphere!==null?e.boundingSphere.clone():null,this._geometryInfo=e._geometryInfo.map(t=>({...t,boundingBox:t.boundingBox!==null?t.boundingBox.clone():null,boundingSphere:t.boundingSphere!==null?t.boundingSphere.clone():null})),this._instanceInfo=e._instanceInfo.map(t=>({...t})),this._availableInstanceIds=e._availableInstanceIds.slice(),this._availableGeometryIds=e._availableGeometryIds.slice(),this._nextIndexStart=e._nextIndexStart,this._nextVertexStart=e._nextVertexStart,this._geometryCount=e._geometryCount,this._maxInstanceCount=e._maxInstanceCount,this._maxVertexCount=e._maxVertexCount,this._maxIndexCount=e._maxIndexCount,this._geometryInitialized=e._geometryInitialized,this._multiDrawCounts=e._multiDrawCounts.slice(),this._multiDrawStarts=e._multiDrawStarts.slice(),this._indirectTexture=e._indirectTexture.clone(),this._indirectTexture.image.data=this._indirectTexture.image.data.slice(),this._matricesTexture=e._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.data.slice(),this._colorsTexture!==null&&(this._colorsTexture=e._colorsTexture.clone(),this._colorsTexture.image.data=this._colorsTexture.image.data.slice()),this}dispose(){this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,this._indirectTexture.dispose(),this._indirectTexture=null,this._colorsTexture!==null&&(this._colorsTexture.dispose(),this._colorsTexture=null)}onBeforeRender(e,t,n,r,s){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;const a=r.getIndex();let o=a===null?1:a.array.BYTES_PER_ELEMENT,l=1;s.wireframe&&(l=2,o=r.attributes.position.count>65535?4:2);const c=this._instanceInfo,u=this._multiDrawStarts,h=this._multiDrawCounts,d=this._geometryInfo,f=this.perObjectFrustumCulled,p=this._indirectTexture,_=p.image.data,g=n.isArrayCamera?MM:ip;f&&!n.isArrayCamera&&(Sn.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse).multiply(this.matrixWorld),ip.setFromProjectionMatrix(Sn,n.coordinateSystem,n.reversedDepth));let m=0;if(this.sortObjects){Sn.copy(this.matrixWorld).invert(),aa.setFromMatrixPosition(n.matrixWorld).applyMatrix4(Sn),rp.set(0,0,-1).transformDirection(n.matrixWorld).transformDirection(Sn);for(let y=0,T=c.length;y<T;y++)if(c[y].visible&&c[y].active){const S=c[y].geometryIndex;this.getMatrixAt(y,Sn),this.getBoundingSphereAt(S,hr).applyMatrix4(Sn);let R=!1;if(f&&(R=!g.intersectsSphere(hr,n)),!R){const x=d[S],M=EM.subVectors(hr.center,aa).dot(rp);

1Nu.push(x.start,x.count,M,y)}}const v=Nu.list,b=this.customSort;b===null?v.sort(s.transparent?yM:xM):b.call(this,v,n);for(let y=0,T=v.length;y<T;y++){const S=v[y];u[m]=S.start*o*l,h[m]=S.count*l,_[m]=S.index,m++}Nu.reset()}else for(let v=0,b=c.length;v<b;v++)if(c[v].visible&&c[v].active){const y=c[v].geometryIndex;let T=!1;if(f&&(this.getMatrixAt(v,Sn),this.getBoundingSphereAt(y,hr).applyMatrix4(Sn),T=!g.intersectsSphere(hr,n)),!T){const S=d[y];u[m]=S.start*o*l,h[m]=S.count*l,_[m]=v,m++}}p.needsUpdate=!0,this._multiDrawCount=m,this._visibilityChanged=!1}onBeforeShadow(e,t,n,r,s,a){this.onBeforeRender(e,null,r,s,a)}}class bn extends rn{constructor(e){super(),this.isLineBasicMaterial=!0,this.type="LineBasicMaterial",this.color=new Ee(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 oc=new P,lc=new P,sp=new We,oa=new nr,Ho=new nn,Du=new P,ap=new P;class ir extends pt{constructor(e=new et,t=new bn){super(),this.isLine=!0,this.type="Line",this.geometry=e,this.material=t,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),this.material=Array.isArray(e.material)?e.material.slice():e.material,this.geometry=e.geometry,this}computeLineDistances(){const e=this.geometry;if(e.index===null){const t=e.attributes.position,n=[0];for(let r=1,s=t.count;r<s;r++)oc.fromBufferAttribute(t,r-1),lc.fromBufferAttribute(t,r),n[r]=n[r-1],n[r]+=oc.distanceTo(lc);e.setAttribute("lineDistance",new Pe(n,1))}else _e("Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}raycast(e,t){const n=this.geometry,r=this.matrixWorld,s=e.params.Line.threshold,a=n.drawRange;if(n.boundingSphere===null&&n.computeBoundingSphere(),Ho.copy(n.boundingSphere),Ho.applyMatrix4(r),Ho.radius+=s,e.ray.intersectsSphere(Ho)===!1)return;sp.copy(r).invert(),oa.copy(e.ray).applyMatrix4(sp);const o=s/((this.scale.x+this.scale.y+this.scale.z)/3),l=o*o,c=this.isLineSegments?2:1,u=n.index,d=n.attributes.position;if(u!==null){const f=Math.max(0,a.start),p=Math.min(u.count,a.start+a.count);for(let _=f,g=p-1;_<g;_+=c){const m=u.getX(_),v=u.getX(_+1),b=Go(this,e,oa,l,m,v,_);b&&t.push(b)}if(this.isLineLoop){const _=u.getX(p-1),g=u.getX(f),m=Go(this,e,oa,l,_,g,p-1);m&&t.push(m)}}else{const f=Math.max(0,a.start),p=Math.min(d.count,a.start+a.count);for(let _=f,g=p-1;_<g;_+=c){const m=Go(this,e,oa,l,_,_+1,_);m&&t.push(m)}if(this.isLineLoop){const _=Go(this,e,oa,l,p-1,f,p-1);_&&t.push(_)}}}updateMorphTargets(){const t=this.geometry.morphAttributes,n=Object.keys(t);if(n.length>0){const r=t[n[0]];if(r!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let s=0,a=r.length;s<a;s++){const o=r[s].name||String(s);this.morphTargetInfluences.push(0),this.morphTargetDictionary[o]=s}}}}}function Go(i,e,t,n,r,s,a){const o=i.geometry.attributes.position;if(oc.fromBufferAttribute(o,r),lc.fromBufferAttribute(o,s),t.distanceSqToSegment(oc,lc,Du,ap)>n)return;Du.applyMatrix4(i.matrixWorld);const c=e.ray.origin.distanceTo(Du);if(!(c<e.near||c>e.far))return{distance:c,point:ap.clone().applyMatrix4(i.matrixWorld),index:a,face:null,faceIndex:null,barycoord:null,object:i}}const op=new P,lp=new P;class vi extends ir{constructor(e,t){super(e,t),this.isLineSegments=!0,this.type="LineSegments"}computeLineDistances(){const e=this.geometry;if(e.index===null){const t=e.attributes.position,n=[];for(let r=0,s=t.count;r<s;r+=2)op.fromBufferAttribute(t,r),lp.fromBufferAttribute(t,r+1),n[r]=r===0?0:n[r-1],n[r+1]=n[r]+op.distanceTo(lp);e.setAttribute("lineDistance",new Pe(n,1))}else _e("LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.");return this}}class y_ extends ir{constructor(e,t){super(e,t),this.isLineLoop=!0,this.type="LineLoop"}}class Sd extends rn{constructor(e){super(),this.isPointsMaterial=!0,this.type="PointsMaterial",this.color=new Ee(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 cp=new We,yh=new nr,Wo=new nn,Xo=new P;class cc extends pt{constructor(e=new et,t=new Sd){super(),this.isPoints=!0,this.type="Points",this.geometry=e,this.material=t,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),this.material=Array.isArray(e.material)?e.material.slice():e.material,this.geometry=e.geometry,this}raycast(e,t){const n=this.geometry,r=this.matrixWorld,s=e.params.Points.threshold,a=n.drawRange;if(n.boundingSphere===null&&n.computeBoundingSphere(),Wo.copy(n.boundingSphere),Wo.applyMatrix4(r),Wo.radius+=s,e.ray.intersectsSphere(Wo)===!1)return;cp.copy(r).invert(),yh.copy(e.ray).applyMatrix4(cp);const o=s/((this.scale.x+this.scale.y+this.scale.z)/3),l=o*o,c=n.index,h=n.attributes.position;if(c!==null){const d=Math.max(0,a.start),f=Math.min(c.count,a.start+a.count);for(let p=d,_=f;p<_;p++){const g=c.getX(p);Xo.fromBufferAttribute(h,g),up(Xo,g,l,r,e,t,this)}}else{const d=Math.max(0,a.start),f=Math.min(h.count,a.start+a.count);for(let p=d,_=f;p<_;p++)Xo.fromBufferAttribute(h,p),up(Xo,p,l,r,e,t,this)}}updateMorphTargets(){const t=this.geometry.morphAttributes,n=Object.keys(t);if(n.length>0){const r=t[n[0]];if(r!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let s=0,a=r.length;s<a;s++){const o=r[s].name||String(s);this.morphTargetInfluences.push(0),this.morphTargetDictionary[o]=s}}}}}function up(i,e,t,n,r,s,a){const o=yh.distanceSqToPoint(i);if(o<t){const l=new P;

1yh.closestPointToPoint(i,l),l.applyMatrix4(n);const c=r.ray.origin.distanceTo(l);if(c<r.near||c>r.far)return;s.push({distance:c,distanceToRay:Math.sqrt(o),point:l,index:e,face:null,faceIndex:null,barycoord:null,object:a})}}class b_ extends Ft{constructor(e,t,n,r,s=Lt,a=Lt,o,l,c){super(e,t,n,r,s,a,o,l,c),this.isVideoTexture=!0,this.generateMipmaps=!1,this._requestVideoFrameCallbackId=0;const u=this;function h(){u.needsUpdate=!0,u._requestVideoFrameCallbackId=e.requestVideoFrameCallback(h)}"requestVideoFrameCallback"in e&&(this._requestVideoFrameCallbackId=e.requestVideoFrameCallback(h))}clone(){return new this.constructor(this.image).copy(this)}update(){const e=this.image;"requestVideoFrameCallback"in e===!1&&e.readyState>=e.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}dispose(){this._requestVideoFrameCallbackId!==0&&(this.source.data.cancelVideoFrameCallback(this._requestVideoFrameCallbackId),this._requestVideoFrameCallbackId=0),super.dispose()}}class wM extends b_{constructor(e,t,n,r,s,a,o,l){super({},e,t,n,r,s,a,o,l),this.isVideoFrameTexture=!0}update(){}clone(){return new this.constructor().copy(this)}setFrame(e){this.image=e,this.needsUpdate=!0}}class AM extends Ft{constructor(e,t){super({width:e,height:t}),this.isFramebufferTexture=!0,this.magFilter=Xt,this.minFilter=Xt,this.generateMipmaps=!1,this.needsUpdate=!0}}class Vc extends Ft{constructor(e,t,n,r,s,a,o,l,c,u,h,d){super(null,a,o,l,c,u,r,s,h,d),this.isCompressedTexture=!0,this.image={width:t,height:n},this.mipmaps=e,this.flipY=!1,this.generateMipmaps=!1}}class CM extends Vc{constructor(e,t,n,r,s,a){super(e,t,n,s,a),this.isCompressedArrayTexture=!0,this.image.depth=r,this.wrapR=An,this.layerUpdates=new Set}addLayerUpdate(e){this.layerUpdates.add(e)}clearLayerUpdates(){this.layerUpdates.clear()}}class RM extends Vc{constructor(e,t,n){super(void 0,e[0].width,e[0].height,t,n,mi),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=e}}class oo extends Ft{constructor(e=[],t=mi,n,r,s,a,o,l,c,u){super(e,t,n,r,s,a,o,l,c,u),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(e){this.image=e}}class IM extends Ft{constructor(e,t,n,r,s,a,o,l,c){super(e,t,n,r,s,a,o,l,c),this.isCanvasTexture=!0,this.needsUpdate=!0}}class PM extends Ft{constructor(e,t,n,r,s,a,o,l,c){super(e,t,n,r,s,a,o,l,c),this.isHTMLTexture=!0,this.generateMipmaps=!1,this.needsUpdate=!0;const u=e?e.parentNode:null;u!==null&&"requestPaint"in u&&(u.onpaint=()=>{this.needsUpdate=!0},u.requestPaint())}dispose(){const e=this.image?this.image.parentNode:null;e!==null&&"onpaint"in e&&(e.onpaint=null),super.dispose()}}class Br extends Ft{constructor(e,t,n=Gn,r,s,a,o=Xt,l=Xt,c,u=_i,h=1){if(u!==_i&&u!==$i)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");const d={width:e,height:t,depth:h};super(d,r,s,a,o,l,u,n,c),this.isDepthTexture=!0,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(e){return super.copy(e),this.source=new Yi(Object.assign({},e.image)),this.compareFunction=e.compareFunction,this}toJSON(e){const t=super.toJSON(e);return this.compareFunction!==null&&(t.compareFunction=this.compareFunction),t}}class S_ extends Br{constructor(e,t=Gn,n=mi,r,s,a=Xt,o=Xt,l,c=_i){const u={width:e,height:e,depth:1},h=[u,u,u,u,u,u];super(e,e,t,n,r,s,a,o,l,c),this.image=h,this.isCubeDepthTexture=!0,this.isCubeTexture=!0}get images(){return this.image}set images(e){this.image=e}}class Md extends Ft{constructor(e=null){super(),this.sourceTexture=e,this.isExternalTexture=!0}copy(e){return super.copy(e),this.sourceTexture=e.sourceTexture,this}}class Vr extends et{constructor(e=1,t=1,n=1,r=1,s=1,a=1){super(),this.type="BoxGeometry",this.parameters={width:e,height:t,depth:n,widthSegments:r,heightSegments:s,depthSegments:a};const o=this;r=Math.floor(r),s=Math.floor(s),a=Math.floor(a);const l=[],c=[],u=[],h=[];let d=0,f=0;p("z","y","x",-1,-1,n,t,e,a,s,0),p("z","y","x",1,-1,n,t,-e,a,s,1),p("x","z","y",1,1,e,n,t,r,a,2),p("x","z","y",1,-1,e,n,-t,r,a,3),p("x","y","z",1,-1,e,t,n,r,s,4),p("x","y","z",-1,-1,e,t,-n,r,s,5),this.setIndex(l),this.setAttribute("position",new Pe(c,3)),this.setAttribute("normal",new Pe(u,3)),this.setAttribute("uv",new Pe(h,2));function p(_,g,m,v,b,y,T,S,R,x,M){const A=y/R,I=T/x,N=y/2,U=T/2,k=S/2,L=R+1,F=x+1;let O=0,X=0;const $=new P;for(let te=0;te<F;te++){const ue=te*I-U;for(let xe=0;xe<L;xe++){const He=xe*A-N;$[_]=He*v,$[g]=ue*b,$[m]=k,c.push($.x,$.y,$.z),$[_]=0,$[g]=0,$[m]=S>0?1:-1,u.push($.x,$.y,$.z),h.push(xe/R),h.push(1-te/x),O+=1}}for(let te=0;te<x;te++)for(let ue=0;ue<R;

1ue++){const xe=d+ue+L*te,He=d+ue+L*(te+1),Ke=d+(ue+1)+L*(te+1),qe=d+(ue+1)+L*te;l.push(xe,He,qe),l.push(He,Ke,qe),X+=6}o.addGroup(f,X,M),f+=X,d+=O}}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new Vr(e.width,e.height,e.depth,e.widthSegments,e.heightSegments,e.depthSegments)}}class zc extends et{constructor(e=1,t=1,n=4,r=8,s=1){super(),this.type="CapsuleGeometry",this.parameters={radius:e,height:t,capSegments:n,radialSegments:r,heightSegments:s},t=Math.max(0,t),n=Math.max(1,Math.floor(n)),r=Math.max(3,Math.floor(r)),s=Math.max(1,Math.floor(s));const a=[],o=[],l=[],c=[],u=t/2,h=Math.PI/2*e,d=t,f=2*h+d,p=n*2+s,_=r+1,g=new P,m=new P;for(let v=0;v<=p;v++){let b=0,y=0,T=0,S=0;if(v<=n){const M=v/n,A=M*Math.PI/2;y=-u-e*Math.cos(A),T=e*Math.sin(A),S=-e*Math.cos(A),b=M*h}else if(v<=n+s){const M=(v-n)/s;y=-u+M*t,T=e,S=0,b=h+M*d}else{const M=(v-n-s)/n,A=M*Math.PI/2;y=u+e*Math.sin(A),T=e*Math.cos(A),S=e*Math.sin(A),b=h+d+M*h}const R=Math.max(0,Math.min(1,b/f));let x=0;v===0?x=.5/r:v===p&&(x=-.5/r);for(let M=0;M<=r;M++){const A=M/r,I=A*Math.PI*2,N=Math.sin(I),U=Math.cos(I);m.x=-T*U,m.y=y,m.z=T*N,o.push(m.x,m.y,m.z),g.set(-T*U,S,T*N),g.normalize(),l.push(g.x,g.y,g.z),c.push(A+x,R)}if(v>0){const M=(v-1)*_;for(let A=0;A<r;A++){const I=M+A,N=M+A+1,U=v*_+A,k=v*_+A+1;a.push(I,N,U),a.push(N,k,U)}}}this.setIndex(a),this.setAttribute("position",new Pe(o,3)),this.setAttribute("normal",new Pe(l,3)),this.setAttribute("uv",new Pe(c,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new zc(e.radius,e.height,e.capSegments,e.radialSegments,e.heightSegments)}}class Hc extends et{constructor(e=1,t=32,n=0,r=Math.PI*2){super(),this.type="CircleGeometry",this.parameters={radius:e,segments:t,thetaStart:n,thetaLength:r},t=Math.max(3,t);const s=[],a=[],o=[],l=[],c=new P,u=new j;a.push(0,0,0),o.push(0,0,1),l.push(.5,.5);for(let h=0,d=3;h<=t;h++,d+=3){const f=n+h/t*r;c.x=e*Math.cos(f),c.y=e*Math.sin(f),a.push(c.x,c.y,c.z),o.push(0,0,1),u.x=(a[d]/e+1)/2,u.y=(a[d+1]/e+1)/2,l.push(u.x,u.y)}for(let h=1;h<=t;h++)s.push(h,h+1,0);this.setIndex(s),this.setAttribute("position",new Pe(a,3)),this.setAttribute("normal",new Pe(o,3)),this.setAttribute("uv",new Pe(l,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new Hc(e.radius,e.segments,e.thetaStart,e.thetaLength)}}class lo extends et{constructor(e=1,t=1,n=1,r=32,s=1,a=!1,o=0,l=Math.PI*2){super(),this.type="CylinderGeometry",this.parameters={radiusTop:e,radiusBottom:t,height:n,radialSegments:r,heightSegments:s,openEnded:a,thetaStart:o,thetaLength:l};const c=this;r=Math.floor(r),s=Math.floor(s);const u=[],h=[],d=[],f=[];let p=0;const _=[],g=n/2;let m=0;v(),a===!1&&(e>0&&b(!0),t>0&&b(!1)),this.setIndex(u),this.setAttribute("position",new Pe(h,3)),this.setAttribute("normal",new Pe(d,3)),this.setAttribute("uv",new Pe(f,2));function v(){const y=new P,T=new P;let S=0;const R=(t-e)/n;for(let x=0;x<=s;x++){const M=[],A=x/s,I=A*(t-e)+e;for(let N=0;N<=r;N++){const U=N/r,k=U*l+o,L=Math.sin(k),F=Math.cos(k);T.x=I*L,T.y=-A*n+g,T.z=I*F,h.push(T.x,T.y,T.z),y.set(L,R,F).normalize(),d.push(y.x,y.y,y.z),f.push(U,1-A),M.push(p++)}_.push(M)}for(let x=0;x<r;x++)for(let M=0;M<s;M++){const A=_[M][x],I=_[M+1][x],N=_[M+1][x+1],U=_[M][x+1];(e>0||M!==0)&&(u.push(A,I,U),S+=3),(t>0||M!==s-1)&&(u.push(I,N,U),S+=3)}c.addGroup(m,S,0),m+=S}function b(y){const T=p,S=new j,R=new P;let x=0;const M=y===!0?e:t,A=y===!0?1:-1;for(let N=1;N<=r;N++)h.push(0,g*A,0),d.push(0,A,0),f.push(.5,.5),p++;const I=p;for(let N=0;N<=r;N++){const k=N/r*l+o,L=Math.cos(k),F=Math.sin(k);R.x=M*F,R.y=g*A,R.z=M*L,h.push(R.x,R.y,R.z),d.push(0,A,0),S.x=L*.5+.5,S.y=F*.5*A+.5,f.push(S.x,S.y),p++}for(let N=0;N<r;N++){const U=T+N,k=I+N;y===!0?u.push(k,k+1,U):u.push(k+1,k,U),x+=3}c.addGroup(m,x,y===!0?1:2),m+=x}}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new lo(e.radiusTop,e.radiusBottom,e.height,e.radialSegments,e.heightSegments,e.openEnded,e.thetaStart,e.thetaLength)}}class co extends lo{constructor(e=1,t=1,n=32,r=1,s=!1,a=0,o=Math.PI*2){super(0,e,t,n,r,s,a,o),this.type="C

1oneGeometry",this.parameters={radius:e,height:t,radialSegments:n,heightSegments:r,openEnded:s,thetaStart:a,thetaLength:o}}static fromJSON(e){return new co(e.radius,e.height,e.radialSegments,e.heightSegments,e.openEnded,e.thetaStart,e.thetaLength)}}class rr extends et{constructor(e=[],t=[],n=1,r=0){super(),this.type="PolyhedronGeometry",this.parameters={vertices:e,indices:t,radius:n,detail:r};const s=[],a=[];o(r),c(n),u(),this.setAttribute("position",new Pe(s,3)),this.setAttribute("normal",new Pe(s.slice(),3)),this.setAttribute("uv",new Pe(a,2)),r===0?this.computeVertexNormals():this.normalizeNormals();function o(v){const b=new P,y=new P,T=new P;for(let S=0;S<t.length;S+=3)f(t[S+0],b),f(t[S+1],y),f(t[S+2],T),l(b,y,T,v)}function l(v,b,y,T){const S=T+1,R=[];for(let x=0;x<=S;x++){R[x]=[];const M=v.clone().lerp(y,x/S),A=b.clone().lerp(y,x/S),I=S-x;for(let N=0;N<=I;N++)N===0&&x===S?R[x][N]=M:R[x][N]=M.clone().lerp(A,N/I)}for(let x=0;x<S;x++)for(let M=0;M<2*(S-x)-1;M++){const A=Math.floor(M/2);M%2===0?(d(R[x][A+1]),d(R[x+1][A]),d(R[x][A])):(d(R[x][A+1]),d(R[x+1][A+1]),d(R[x+1][A]))}}function c(v){const b=new P;for(let y=0;y<s.length;y+=3)b.x=s[y+0],b.y=s[y+1],b.z=s[y+2],b.normalize().multiplyScalar(v),s[y+0]=b.x,s[y+1]=b.y,s[y+2]=b.z}function u(){const v=new P;for(let b=0;b<s.length;b+=3){v.x=s[b+0],v.y=s[b+1],v.z=s[b+2];const y=g(v)/2/Math.PI+.5,T=m(v)/Math.PI+.5;a.push(y,1-T)}p(),h()}function h(){for(let v=0;v<a.length;v+=6){const b=a[v+0],y=a[v+2],T=a[v+4],S=Math.max(b,y,T),R=Math.min(b,y,T);S>.9&&R<.1&&(b<.2&&(a[v+0]+=1),y<.2&&(a[v+2]+=1),T<.2&&(a[v+4]+=1))}}function d(v){s.push(v.x,v.y,v.z)}function f(v,b){const y=v*3;b.x=e[y+0],b.y=e[y+1],b.z=e[y+2]}function p(){const v=new P,b=new P,y=new P,T=new P,S=new j,R=new j,x=new j;for(let M=0,A=0;M<s.length;M+=9,A+=6){v.set(s[M+0],s[M+1],s[M+2]),b.set(s[M+3],s[M+4],s[M+5]),y.set(s[M+6],s[M+7],s[M+8]),S.set(a[A+0],a[A+1]),R.set(a[A+2],a[A+3]),x.set(a[A+4],a[A+5]),T.copy(v).add(b).add(y).divideScalar(3);const I=g(T);_(S,A+0,v,I),_(R,A+2,b,I),_(x,A+4,y,I)}}function _(v,b,y,T){T<0&&v.x===1&&(a[b]=v.x-1),y.x===0&&y.z===0&&(a[b]=T/2/Math.PI+.5)}function g(v){return Math.atan2(v.z,-v.x)}function m(v){return Math.atan2(-v.y,Math.sqrt(v.x*v.x+v.z*v.z))}}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new rr(e.vertices,e.indices,e.radius,e.detail)}}class Gc extends rr{constructor(e=1,t=0){const n=(1+Math.sqrt(5))/2,r=1/n,s=[-1,-1,-1,-1,-1,1,-1,1,-1,-1,1,1,1,-1,-1,1,-1,1,1,1,-1,1,1,1,0,-r,-n,0,-r,n,0,r,-n,0,r,n,-r,-n,0,-r,n,0,r,-n,0,r,n,0,-n,0,-r,n,0,-r,-n,0,r,n,0,r],a=[3,11,7,3,7,15,3,15,13,7,19,17,7,17,6,7,6,15,17,4,8,17,8,10,17,10,6,8,0,16,8,16,2,8,2,10,0,12,1,0,1,18,0,18,16,6,10,2,6,2,13,6,13,15,2,16,18,2,18,3,2,3,13,18,1,9,18,9,11,18,11,3,4,14,12,4,12,0,4,0,8,11,9,5,11,5,19,11,19,7,

119,5,14,19,14,4,19,4,17,1,12,14,1,14,5,1,5,9];super(s,a,e,t),this.type="DodecahedronGeometry",this.parameters={radius:e,detail:t}}static fromJSON(e){return new Gc(e.radius,e.detail)}}const qo=new P,$o=new P,Ou=new P,Yo=new un;class M_ extends et{constructor(e=null,t=1){if(super(),this.type="EdgesGeometry",this.parameters={geometry:e,thresholdAngle:t},e!==null){const r=Math.pow(10,4),s=Math.cos(Pr*t),a=e.getIndex(),o=e.getAttribute("position"),l=a?a.count:o.count,c=[0,0,0],u=["a","b","c"],h=new Array(3),d={},f=[];for(let p=0;p<l;p+=3){a?(c[0]=a.getX(p),c[1]=a.getX(p+1),c[2]=a.getX(p+2)):(c[0]=p,c[1]=p+1,c[2]=p+2);const{a:_,b:g,c:m}=Yo;if(_.fromBufferAttribute(o,c[0]),g.fromBufferAttribute(o,c[1]),m.fromBufferAttribute(o,c[2]),Yo.getNormal(Ou),h[0]=`${Math.round(_.x*r)},${Math.round(_.y*r)},${Math.round(_.z*r)}`,h[1]=`${Math.round(g.x*r)},${Math.round(g.y*r)},${Math.round(g.z*r)}`,h[2]=`${Math.round(m.x*r)},${Math.round(m.y*r)},${Math.round(m.z*r)}`,!(h[0]===h[1]||h[1]===h[2]||h[2]===h[0]))for(let v=0;v<3;v++){const b=(v+1)%3,y=h[v],T=h[b],S=Yo[u[v]],R=Yo[u[b]],x=`${y}_${T}`,M=`${T}_${y}`;M in d&&d[M]?(Ou.dot(d[M].normal)<=s&&(f.push(S.x,S.y,S.z),f.push(R.x,R.y,R.z)),d[M]=null):x in d||(d[x]={index0:c[v],index1:c[b],normal:Ou.clone()})}}for(const p in d)if(d[p]){const{index0:_,index1:g}=d[p];qo.fromBufferAttribute(o,_),$o.fromBufferAttribute(o,g),f.push(qo.x,qo.y,qo.z),f.push($o.x,$o.y,$o.z)}this.setAttribute("position",new Pe(f,3))}}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}}class ri{constructor(){this.type="Curve",this.arcLengthDivisions=200,this.needsUpdate=!1,this.cacheArcLengths=null}getPoint(){_e("Curve: .getPoint() not implemented.")}getPointAt(e,t){const n=this.getUtoTmapping(e);return this.getPoint(n,t)}getPoints(e=5){const t=[];for(let n=0;n<=e;n++)t.push(this.getPoint(n/e));return t}getSpacedPoints(e=5){const t=[];for(let n=0;n<=e;n++)t.push(this.getPointAt(n/e));return t}getLength(){const e=this.getLengths();return e[e.length-1]}getLengths(e=this.arcLengthDivisions){if(this.cacheArcLengths&&this.cacheArcLengths.length===e+1&&!this.needsUpdate)return this.cacheArcLengths;this.needsUpdate=!1;const t=[];let n,r=this.getPoint(0),s=0;t.push(0);for(let a=1;a<=e;a++)n=this.getPoint(a/e),s+=n.distanceTo(r),t.push(s),r=n;return this.cacheArcLengths=t,t}updateArcLengths(){this.needsUpdate=!0,this.getLengths()}getUtoTmapping(e,t=null){const n=this.getLengths();let r=0;const s=n.length;let a;t?a=t:a=e*n[s-1];let o=0,l=s-1,c;for(;o<=l;)if(r=Math.floor(o+(l-o)/2),c=n[r]-a,c<0)o=r+1;else if(c>0)l=r-1;else{l=r;break}if(r=l,n[r]===a)return r/(s-1);const u=n[r],d=n[r+1]-u,f=(a-u)/d;return(r+f)/(s-1)}getTangent(e,t){let r=e-1e-4,s=e+1e-4;r<0&&(r=0),s>1&&(s=1);const a=this.getPoint(r),o=this.getPoint(s),l=t||(a.isVector2?new j:new P);return l.copy(o).sub(a).normalize(),l}getTangentAt(e,t){const n=this.getUtoTmapping(e);return this.getTangent(n,t)}computeFrenetFrames(e,t=!1){const n=new P,r=[],s=[],a=[],o=new P,l=new We;for(let f=0;f<=e;f++){const p=f/e;r[f]=this.getTangentAt(p,new P)}s[0]=new P,a[0]=new P;let c=Number.MAX_VALUE;const u=Math.abs(r[0].x),h=Math.abs(r[0].y),d=Math.abs(r[0].z);u<=c&&(c=u,n.set(1,0,0)),h<=c&&(c=h,n.set(0,1,0)),d<=c&&n.set(0,0,1),o.crossVectors(r[0],n).normalize(),s[0].crossVectors(r[0],o),a[0].crossVectors(r[0],s[0]);for(let f=1;f<=e;f++){if(s[f]=s[f-1].clone(),a[f]=a[f-1].clone(),o.crossVectors(r[f-1],r[f]),o.length()>Number.EPSILON){o.normalize();const p=Math.acos($e(r[f-1].dot(r[f]),-1,1));s[f].applyMatrix4(l.makeRotationAxis(o,p))}a[f].crossVectors(r[f],s[f])}if(t===!0){let f=Math.acos($e(s[0].dot(s[e]),-1,1));f/=e,r[0].dot(o.crossVectors(s[0],s[e]))>0&&(f=-f);for(let p=1;p<=e;p++)s[p].applyMatrix4(l.makeRotationAxis(r[p],f*p)),a[p].crossVectors(r[p],s[p])}return{tangents:r,normals:s,binormals:a}}clone(){return new this.constructor().copy(this)}copy(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}toJSON(){const e={metadata:{version:4.7,type:"Curve",generator:"Curve.toJSON"}};return e.arcLengthDivisions=this.arcLengthDivisions,e.type=this.type,e}fromJSON(e){return this.arcLengthDivisions=e.arcLengthDivisions,this}}class Wc extends ri{constructor(e=0,t=0,n=1,r=1,s=0,a=Math.PI*2,o=!1,l=0){super(),this.isEllipseCurve=!0,this.type="EllipseCurve",this.aX=e,this.aY=t,this.xRadius=n,this.yRadius=r,this.aStartAngle=s,this.aEndAngle=a,this.aClockwise=o,this.aRotation=l}getPoint(e,t=new j){const n=t,r=Math.PI*2;let s=this.aEndAngle-this.aStartAngle;const a=Math.abs(s)<Number.EPSILON;for(;s<0;)s+=r;for(;s>r;)s-=r;s<Number.EPSILON&&(a?s=0:s=r),this.aClockwise===!0&&!a&&(s===r?s=-r:s=s-r);const o=this.aStartAngle+e*s;let l=this.aX+this.xRadius*Math.cos(o),c=this.aY+this.yRadius*Math.sin(o);if(this.aRotation!==0){const u=Math.cos(this.aRotation),h=Math.sin(this.aRotation),d=l-this.aX,f=c-this.aY;l=d*u-f*h+this.aX,c=d*h+f*u+this.aY}return n.set(l,c)}copy(e){return super.copy(e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}toJSON(){const e=super.toJSON();return e.aX=this.aX,e.aY=this.aY,e.xRadius=this.xRadius,e.yRadius=this.yRadius,e.aStartAngle=this.aStartAngle,e.aEndAngle=this.aEndAngle,e.aClockwise=this.aClockwise,e.aRotation=this.aRotation,e}fromJSON(e){return super.fromJSON(e),this.aX=e.aX,this.aY=e.aY,this.xRadius=e.xRadius,this.yRadius=e.yRadius,this.aStartAngle=e.aStartAngle,this.aEndAngle=e.aEndAngle,this.aClockwise=e.aClockwise,this.aRotation=e.aRotation,this}}class E_ extends Wc{constructor(e,t,n,r,s,a){super(e,t,n,n,r,s,a),this.isArcCurve=!0,this.type="ArcCurve"}}function Ed(){let i=0,e=0,t=0,n=0;function r(s,a,o,l){i=s,e=o,t=-3*s+3*a-2*o-l,n=2*s-2*a+o+l}return{initCatmullRom:function(s,a,o,l,c){r(a,o,c*(o-s),c*(l-a))},initNonuniformCatmullRom:function(s,a,o,l,c,u,h){let d=(a-s)/c-(o-s)/(c+u)+(o-a)/u,f=(o-a)/u-(l-a)/(u+h)+(l-o)/h;d*=u,f*=u,r(a,o,d,f)},calc:function(s){const a=s*s,o=a*s;return i+e*s+t*a+n*o}}}const hp=new P,dp=new P,Uu=new Ed,Fu=new Ed,Bu=new Ed;class T_ extends ri{constructor(e=[],t=!1,n="centripetal",r=.5){super(),this.isCatmullRomCurve3=!0,this.type="CatmullRomCurve3",this.points=e,this.closed=t,this.curveType=n,this.tension=r}getPoint(e,t=new P){const n=t,r=this.points,s=r.length,a=(s-(this.closed?0:1))*e;let o=Math.floor(a),l=a-o;this.closed?o+=o>0?0:(Math.floor(Math.abs(o)/s)+1)*s:l===0&&o===s-1&&(o=s-2,l=1);let c,u;this.closed||o>0?c=r[(o-1)%s]:(dp.subVectors(r[0],r[1]).add(r[0]),c=dp);const h=r[o%s],d=r[(o+1)%s];if(this.closed||o+2<s?u=r[(o+2)%s]:(hp.subVectors(r[s-1],r[s-2]).add(r[s-1]),u=hp),this.curveType==="centripetal"||this.curveType==="chordal"){const f=this.curveType==="chordal"?.5:.25;let p=Math.pow(c.distanceToSquared(h),f),_=Math.pow(h.distanceToSquared(d),f),g=Math.pow(d.distanceToSquared(u),f);_<1e-4&&(_=1),p<1e-4&&(p=_),g<1e-4&&(g=_),Uu.initNonuniformCatmullRom(c.x,h.x,d.x,u.x,p,_,g),Fu.initNonuniformCatmullRom(c.y,h.y,d.y,u.y,p,_,g),Bu.initNonuniformCatmullRom(c.z,h.z,d.z,u.z,p,_,g)}else this.curveType==="catmullrom"&&(Uu.initCatmullRom(c.x,h.x,d.x,u.x,this.tension),Fu.initCatmullRom(c.y,h.y,d.y,u.y,this.tension),Bu.initCatmullRom(c.z,h.z,d.z,u.z,this.tension));return n.set(Uu.calc(l),Fu.calc(l),Bu.calc(l)),n}copy(e){super.copy(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const r=e.points[t];this.points.push(r.clone())}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}toJSON(){const e=super.toJSON();e.points=[];for(let t=0,n=this.points.length;t<n;t++){const r=this.points[t];e.points.push(r.toArray())}return e.closed=this.closed,e.curveType=this.curveType,e.tension=this.tension,e}fromJSON(e){super.fromJSON(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const r=e.points[t];this.points.push(new P().fromArray(r))}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}}function fp(i,e,t,n,r){const s=(n-e)*.5,a=(r-t)*.5,o=i*i,l=i*o;return(2*t-2*n+s+a)*l+(-3*t+3*n-2*s-a)*o+s*i+t}function LM(i,e){const t=1-i;return t*t*e}function NM(i,e){return 2*(1-i)*i*e}function DM(i,e){return i*i*e}function Ca(i,e,t,n){return LM(i,e)+NM(i,t)+DM(i,n)}function OM(i,e){const t=1-i;return t*t*t*e}function UM(i,e){const t=1-i;return 3*t*t*i*e}function FM(i,e){return 3*(1-i)*i*i*e}function BM(i,e){return i*i*i*e}function Ra(i,e,t,n,r){return OM(i,e)+UM(i,t)+FM(i,n)+BM(i,r)}class Td extends ri{constructor(e=new j,t=new j,n=new j,r=new j){super(),this.isCubicBezierCurve=!0,this.type="CubicBezierCurve",this.v0=e,this.v1=t,this.v2=n,this.v3=r}getPoint(e,t=new j){const n=t,r=this.v0,s=this.v1,a=this.v2,o=this.v3;return n.set(Ra(e,r.x,s.x,a.x,o.x),Ra(e,r.y,s.y,a.y,o.y)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}}class w_ extends ri{constructor(e=new P,t=new P,n=new P,r=new P){super(),this.isCubicBezierCurve3=!0,this.type="CubicBezierCurve3",this.v0=e,this.v1=t,this.v2=n,this.v3=r}getPoint(e,t=new P){const n=t,r=this.v0,s=this.v1,a=this.v2,o=this.v3;return n.set(Ra(e,r.x,s.x,a.x,o.x),Ra(e,r.y,s.y,a.y,o.y),Ra(e,r.z,s.z,a.z,o.z)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}}class wd extends ri{constructor(e=new j,t=new j){super(),this.isLineCurve=!0,this.type="LineCurve",this.v1=e,this.v2=t}getPoint(e,t=new j){const n=t;return e===1?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(e).add(this.v1)),n}getPointAt(e,t){return this.getPoint(e,t)}

1getTangent(e,t=new j){return t.subVectors(this.v2,this.v1).normalize()}getTangentAt(e,t){return this.getTangent(e,t)}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}class A_ extends ri{constructor(e=new P,t=new P){super(),this.isLineCurve3=!0,this.type="LineCurve3",this.v1=e,this.v2=t}getPoint(e,t=new P){const n=t;return e===1?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(e).add(this.v1)),n}getPointAt(e,t){return this.getPoint(e,t)}getTangent(e,t=new P){return t.subVectors(this.v2,this.v1).normalize()}getTangentAt(e,t){return this.getTangent(e,t)}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}class Ad extends ri{constructor(e=new j,t=new j,n=new j){super(),this.isQuadraticBezierCurve=!0,this.type="QuadraticBezierCurve",this.v0=e,this.v1=t,this.v2=n}getPoint(e,t=new j){const n=t,r=this.v0,s=this.v1,a=this.v2;return n.set(Ca(e,r.x,s.x,a.x),Ca(e,r.y,s.y,a.y)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}class Cd extends ri{constructor(e=new P,t=new P,n=new P){super(),this.isQuadraticBezierCurve3=!0,this.type="QuadraticBezierCurve3",this.v0=e,this.v1=t,this.v2=n}getPoint(e,t=new P){const n=t,r=this.v0,s=this.v1,a=this.v2;return n.set(Ca(e,r.x,s.x,a.x),Ca(e,r.y,s.y,a.y),Ca(e,r.z,s.z,a.z)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){const e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}}class Rd extends ri{constructor(e=[]){super(),this.isSplineCurve=!0,this.type="SplineCurve",this.points=e}getPoint(e,t=new j){const n=t,r=this.points,s=(r.length-1)*e,a=Math.floor(s),o=s-a,l=r[a===0?a:a-1],c=r[a],u=r[a>r.length-2?r.length-1:a+1],h=r[a>r.length-3?r.length-1:a+2];return n.set(fp(o,l.x,c.x,u.x,h.x),fp(o,l.y,c.y,u.y,h.y)),n}copy(e){super.copy(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const r=e.points[t];this.points.push(r.clone())}return this}toJSON(){const e=super.toJSON();e.points=[];for(let t=0,n=this.points.length;t<n;t++){const r=this.points[t];e.points.push(r.toArray())}return e}fromJSON(e){super.fromJSON(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){const r=e.points[t];this.points.push(new j().fromArray(r))}return this}}var uc=Object.freeze({__proto__:null,ArcCurve:E_,CatmullRomCurve3:T_,CubicBezierCurve:Td,CubicBezierCurve3:w_,EllipseCurve:Wc,LineCurve:wd,LineCurve3:A_,QuadraticBezierCurve:Ad,QuadraticBezierCurve3:Cd,SplineCurve:Rd});class C_ extends ri{constructor(){super(),this.type="CurvePath",this.curves=[],this.autoClose=!1}add(e){this.curves.push(e)}closePath(){const e=this.curves[0].getPoint(0),t=this.curves[this.curves.length-1].getPoint(1);if(!e.equals(t)){const n=e.isVector2===!0?"LineCurve":"LineCurve3";this.curves.push(new uc[n](t,e))}return this}getPoint(e,t){const n=e*this.getLength(),r=this.getCurveLengths();let s=0;for(;s<r.length;){if(r[s]>=n){const a=r[s]-n,o=this.curves[s],l=o.getLength(),c=l===0?0:1-a/l;return o.getPointAt(c,t)}s++}return null}getLength(){const e=this.getCurveLengths();return e[e.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;const e=[];let t=0;for(let n=0,r=this.curves.length;n<r;n++)t+=this.curves[n].getLength(),e.push(t);return this.cacheLengths=e,e}getSpacedPoints(e=40){const t=[];for(let n=0;n<=e;n++)t.push(this.getPoint(n/e));return this.autoClose&&t.push(t[0]),t}getPoints(e=12){const t=[];let n;for(let r=0,s=this.curves;r<s.length;r++){const a=s[r],o=a.isEllipseCurve?e*2:a.isLineCurve||a.isLineCurve3?1:a.isSplineCurve?e*a.points.length:e,l=a.getPoints(o);for(let c=0;c<l.length;c++){const u=l[c];n&&n.equals(u)||(t.push(u),n=u)}}return this.autoClose&&t.length>1&&!t[t.length-1].equals(t[0])&&t.push(t[0]),t}copy(e){super.copy(e),this.curves=[];for(let t=0,n=e.curves.length;t<n;t++){const r=e.curves[t];this.curves.push(r.clone())}return this.autoClose=e.autoClose,this}toJSON(){const e=super.toJSON();e.autoClose=this.autoClose,e.curves=[];for(let t=0,n=this.curves.length;t<n;t++){const r=this.curves[t];e.curves.push(r.toJSON())}return e}fromJSON(e){super.fromJSON(e),this.autoClose=e.autoClose,this.curves=[];for(let t=0,n=e.curves.length;t<n;t++){const r=e.curves[t];this.curves.push(new uc[r.type]().fromJSON(r))}return this}}class hc extends C_{constructor(e){super(),this.type="Path",this.currentPoint=new j,e&&this.setFromPoints(e)}setFromPoints(e){this.moveTo(e[0].x,e[0].y);for(let t=1,n=e.length;t<n;t++)this.lineTo(e[t].x,e[t].y);return this}moveTo(e,t){return this.currentPoint.set(e,t),this}lineTo(e,t){const n=new wd(this.currentPoint.clone(),new j(e,t));return this.curves.push(n),this.currentPoint.set(e,t),this}quadraticCurveTo(e,t,n,r){const s=new Ad(this.currentPoint.clone(),new j(e,t),new j(n,r));return this.curves.push(s),this.currentPoint.set(n,r),this}bezierCurveTo(e,t,n,r,s,a){const o=new Td(this.currentPoint.clone(),new j(e,t),new j(n,r),new j(s,a));return this.curves.push(o),this.currentPoint.set(s,a),this}splineThru(e){const t=[this.currentPoint.clone()].concat(e),n=new Rd(t);return this.curves.push(n),this.currentPoint.copy(e[e.length-1]),this}arc(e,t,n,r,s,a){const o=this.currentPoint.x,l=this.currentPoint.y;return this.absarc(e+o,t+l,n,r,s,a),this}absarc(e,t,n,r,s,a){return this.absellipse(e,t,n,n,r,s,a),this}ellipse(e,t,n,r,s,a,o,l){const c=this.currentPoint.x,u=this.currentPoint.y;return this.absellipse(e+c,t+u,n,r,s,a,o,l),this}absellipse(e,t,n,r,s,a,o,l){const c=new Wc(e,t,n,r,s,a,o,l);if(this.curves.length>0){const h=c.getPoint(0);h.equals(this.currentPoint)||this.lineTo(h.x,h.y)}this.curves.push(c);const u=c.getPoint(1);return this.currentPoint.copy(u),this}copy(e){return super.copy(e),this.currentPoint.copy(e.currentPoint),this}toJSON(){const e=super.toJSON();return e.currentPoint=this.currentPoint.toArray(),e}fromJSON(e){return super.fromJSON(e),this.currentPoint.fromArray(e.currentPoint),this}}class Lr 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1while(t!==i);return!1}function Ya(i,e){return Ut(i.prev,i,i.next)<0?Ut(i,e,i.next)>=0&&Ut(i,i.prev,e)>=0:Ut(i,e,i.prev)<0||Ut(i,i.next,e)<0}function eE(i,e){let t=i,n=!1;const r=(i.x+e.x)/2,s=(i.y+e.y)/2;do t.y>s!=t.next.y>s&&t.next.y!==t.y&&r<(t.next.x-t.x)*(s-t.y)/(t.next.y-t.y)+t.x&&(n=!n),t=t.next;while(t!==i);return n}function L_(i,e){const t=Sh(i.i,i.x,i.y),n=Sh(e.i,e.x,e.y),r=i.next,s=e.prev;return i.next=e,e.prev=i,t.next=r,r.prev=t,n.next=t,t.prev=n,s.next=n,n.prev=s,n}function pp(i,e,t,n){const r=Sh(i,e,t);return n?(r.next=n.next,r.prev=n,n.next.prev=r,n.next=r):(r.prev=r,r.next=r),r}function Za(i){i.next.prev=i.prev,i.prev.next=i.next,i.prevZ&&(i.prevZ.nextZ=i.nextZ),i.nextZ&&(i.nextZ.prevZ=i.prevZ)}function Sh(i,e,t){return{i,x:e,y:t,prev:null,next:null,z:0,prevZ:null,nextZ:null,steiner:!1}}function tE(i,e,t,n){let r=0;for(let s=e,a=t-n;s<t;s+=n)r+=(i[a]-i[s])*(i[s+1]+i[a+1]),a=s;return r}class nE{static triangulate(e,t,n=2){return kM(e,t,n)}}class Qn{static area(e){const t=e.length;let n=0;for(let r=t-1,s=0;s<t;r=s++)n+=e[r].x*e[s].y-e[s].x*e[r].y;return n*.5}static isClockWise(e){return Qn.area(e)<0}static triangulateShape(e,t){const n=[],r=[],s=[];mp(e),gp(n,e);let a=e.length;t.forEach(mp);for(let l=0;l<t.length;l++)r.push(a),a+=t[l].length,gp(n,t[l]);const o=nE.triangulate(n,r);for(let l=0;l<o.length;l+=3)s.push(o.slice(l,l+3));return s}}function mp(i){const e=i.length;e>2&&i[e-1].equals(i[0])&&i.pop()}function gp(i,e){for(let t=0;t<e.length;t++)i.push(e[t].x),i.push(e[t].y)}class Xc extends et{constructor(e=new Lr([new j(.5,.5),new j(-.5,.5),new j(-.5,-.5),new j(.5,-.5)]),t={}){super(),this.type="ExtrudeGeometry",this.parameters={shapes:e,options:t},e=Array.isArray(e)?e:[e];const n=this,r=[],s=[];for(let o=0,l=e.length;o<l;o++){const c=e[o];a(c)}this.setAttribute("position",new Pe(r,3)),this.setAttribute("uv",new Pe(s,2)),this.computeVertexNormals();function a(o){const l=[],c=t.curveSegments!==void 0?t.curveSegments:12,u=t.steps!==void 0?t.steps:1,h=t.depth!==void 0?t.depth:1;let d=t.bevelEnabled!==void 0?t.bevelEnabled:!0,f=t.bevelThickness!==void 0?t.bevelThickness:.2,p=t.bevelSize!==void 0?t.bevelSize:f-.1,_=t.bevelOffset!==void 0?t.bevelOffset:0,g=t.bevelSegments!==void 0?t.bevelSegments:3;const m=t.extrudePath,v=t.UVGenerator!==void 0?t.UVGenerator:iE;let b,y=!1,T,S,R,x;if(m){b=m.getSpacedPoints(u),y=!0,d=!1;const Q=m.isCatmullRomCurve3?m.closed:!1;T=m.computeFrenetFrames(u,Q),S=new P,R=new P,x=new P}d||(g=0,f=0,p=0,_=0);const M=o.extractPoints(c);let A=M.shape;const I=M.holes;if(!Qn.isClockWise(A)){A=A.reverse();for(let Q=0,se=I.length;Q<se;Q++){const ee=I[Q];Qn.isClockWise(ee)&&(I[Q]=ee.reverse())}}function U(Q){const ee=10000000000000001e-36;let pe=Q[0];for(let ve=1;ve<=Q.length;ve++){const Je=ve%Q.length,D=Q[Je],nt=D.x-pe.x,Ue=D.y-pe.y,je=nt*nt+Ue*Ue,oe=Math.max(Math.abs(D.x),Math.abs(D.y),Math.abs(pe.x),Math.abs(pe.y)),bt=ee*oe*oe;if(je<=bt){Q.splice(Je,1),ve--;continue}pe=D}}U(A),I.forEach(U);const k=I.length,L=A;for(let Q=0;Q<k;Q++){const se=I[Q];A=A.concat(se)}function F(Q,se,ee){return se||Oe("ExtrudeGeometry: vec does not exist"),Q.clone().addScaledVector(se,ee)}const O=A.length;function X(Q,se,ee){let pe,ve,Je;const D=Q.x-se.x,nt=Q.y-se.y,Ue=ee.x-Q.x,je=ee.y-Q.y,oe=D*D+nt*nt,bt=D*je-nt*Ue;if(Math.abs(bt)>Number.EPSILON){const C=Math.sqrt(oe),E=Math.sqrt(Ue*Ue+je*je),z=se.x-nt/C,Z=se.y+D/C,ne=ee.x-je/E,ce=ee.y+Ue/E,fe=((ne-z)*je-(ce-Z)*Ue)/(D*je-nt*Ue);pe=z+D*fe-Q.x,ve=Z+nt*fe-Q.y;const q=pe*pe+ve*ve;if(q<=2)return new j(pe,ve);Je=Math.sqrt(q/2)}else{let C=!1;D>Number.EPSILON?Ue>Number.EPSILON&&(C=!0):D<-Number.EPSILON?Ue<-Number.EPSILON&&(C=!0):Math.sign(nt)===Math.sign(je)&&(C=!0),C?(pe=-nt,ve=D,Je=Math.sqrt(oe)):(pe=D,ve=nt,Je=Math.sqrt(oe/2))}return new j(pe/Je,ve/Je)}const $=[];for(let Q=0,se=L.length,ee=se-1,pe=Q+1;Q<se;Q++,ee++,pe++)ee===se&&(ee=0),pe===se&&(pe=0),$[Q]=X(L[Q],L[ee],L[pe]);const te=[];let ue,xe=$.concat();for(let Q=0,se=k;Q<se;Q++){const ee=I[Q];ue=[];for(let pe=0,ve=ee.length,Je=ve-1,D=pe+1;pe<ve;pe++,Je++,D++)Je===ve&&(Je=0),D===ve&&(D=0),ue[pe]=X(ee[pe],ee[Je],ee[D]);te.push(ue),xe=xe.concat(ue)}let He;if(g===0)He=Qn.triangulateShape(L,I);else{const Q=[],se=[];for(let ee=0;ee<g;ee++){const pe=ee/g,ve=f*Math.cos(pe*Math.PI/2),Je=p*Math.sin(pe*Math.PI/2)+_;for(let D=0,nt=L.length;D<nt;D++){const Ue=F(L[D],$[D],Je);De(Ue.x,Ue.y,-ve),pe===0&&Q.push(Ue)}for(let D=0,nt=k;D<nt;D++){const Ue=I[D];ue=te[D];const je=[];for(let oe=0,bt=Ue.length;oe<bt;oe++){const C=F(Ue[oe],ue[oe],Je);De(C.x,C.y,-ve),pe===0&&je.push(C)}pe===0&&se.push(je)}}He=Qn.triangulateShape(Q,se)}const Ke=He.length,qe=p+_;for(let Q=0;Q<O;Q++){const se=d?F(A[Q],xe[Q],qe):A[Q];

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se=0;se<Ke;se++){const ee=He[se];Ne(ee[2],ee[1],ee[0])}for(let se=0;se<Ke;se++){const ee=He[se];Ne(ee[0]+O*u,ee[1]+O*u,ee[2]+O*u)}}n.addGroup(Q,r.length/3-Q,0)}function ye(){const Q=r.length/3;let se=0;le(L,se),se+=L.length;for(let ee=0,pe=I.length;ee<pe;ee++){const ve=I[ee];le(ve,se),se+=ve.length}n.addGroup(Q,r.length/3-Q,1)}function le(Q,se){let ee=Q.length;for(;--ee>=0;){const pe=ee;let ve=ee-1;ve<0&&(ve=Q.length-1);for(let Je=0,D=u+g*2;Je<D;Je++){const nt=O*Je,Ue=O*(Je+1),je=se+pe+nt,oe=se+ve+nt,bt=se+ve+Ue,C=se+pe+Ue;Ge(je,oe,bt,C)}}}function De(Q,se,ee){l.push(Q),l.push(se),l.push(ee)}function Ne(Q,se,ee){ft(Q),ft(se),ft(ee);const pe=r.length/3,ve=v.generateTopUV(n,r,pe-3,pe-2,pe-1);Ye(ve[0]),Ye(ve[1]),Ye(ve[2])}function Ge(Q,se,ee,pe){ft(Q),ft(se),ft(pe),ft(se),ft(ee),ft(pe);const ve=r.length/3,Je=v.generateSideWallUV(n,r,ve-6,ve-3,ve-2,ve-1);Ye(Je[0]),Ye(Je[1]),Ye(Je[3]),Ye(Je[1]),Ye(Je[2]),Ye(Je[3])}function ft(Q){r.push(l[Q*3+0]),r.push(l[Q*3+1]),r.push(l[Q*3+2])}function Ye(Q){s.push(Q.x),s.push(Q.y)}}}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}toJSON(){const e=super.toJSON(),t=this.parameters.shapes,n=this.parameters.options;return rE(t,n,e)}static fromJSON(e,t){const n=[];for(let s=0,a=e.shapes.length;s<a;s++){const o=t[e.shapes[s]];n.push(o)}const r=e.options.extrudePath;return r!==void 0&&(e.options.extrudePath=new uc[r.type]().fromJSON(r)),new Xc(n,e.options)}}const iE={generateTopUV:function(i,e,t,n,r){const s=e[t*3],a=e[t*3+1],o=e[n*3],l=e[n*3+1],c=e[r*3],u=e[r*3+1];return[new j(s,a),new j(o,l),new j(c,u)]},generateSideWallUV:function(i,e,t,n,r,s){const a=e[t*3],o=e[t*3+1],l=e[t*3+2],c=e[n*3],u=e[n*3+1],h=e[n*3+2],d=e[r*3],f=e[r*3+1],p=e[r*3+2],_=e[s*3],g=e[s*3+1],m=e[s*3+2];return Math.abs(o-u)<Math.abs(a-c)?[new j(a,1-l),new j(c,1-h),new j(d,1-p),new j(_,1-m)]:[new j(o,1-l),new j(u,1-h),new j(f,1-p),new j(g,1-m)]}};function rE(i,e,t){if(t.shapes=[],Array.isArray(i))for(let n=0,r=i.length;n<r;n++){const s=i[n];t.shapes.push(s.uuid)}else t.shapes.push(i.uuid);return t.options=Object.assign({},e),e.extrudePath!==void 0&&(t.options.extrudePath=e.extrudePath.toJSON()),t}class qc extends rr{constructor(e=1,t=0){const n=(1+Math.sqrt(5))/2,r=[-1,n,0,1,n,0,-1,-n,0,1,-n,0,0,-1,n,0,1,n,0,-1,-n,0,1,-n,n,0,-1,n,0,1,-n,0,-1,-n,0,1],s=[0,11,5,0,5,1,0,1,7,0,7,10,0,10,11,1,5,9,5,11,4,11,10,2,10,7,6,7,1,8,3,9,4,3,4,2,3,2,6,3,6,8,3,8,9,4,9,5,2,4,11,6,2,10,8,6,7,9,8,1];super(r,s,e,t),this.type="IcosahedronGeometry",this.parameters={radius:e,detail:t}}static fromJSON(e){return new qc(e.radius,e.detail)}}class $c extends et{constructor(e=[new j(0,-.5),new j(.5,0),new j(0,.5)],t=12,n=0,r=Math.PI*2){super(),this.type="LatheGeometry",this.parameters={points:e,segments:t,phiStart:n,phiLength:r},t=Math.floor(t),r=$e(r,0,Math.PI*2);const s=[],a=[],o=[],l=[],c=[],u=1/t,h=new P,d=new j,f=new P,p=new P,_=new P;let g=0,m=0;for(let v=0;v<=e.length-1;v++)switch(v){case 0:g=e[v+1].x-e[v].x,m=e[v+1].y-e[v].y,f.x=m*1,f.y=-g,f.z=m*0,_.copy(f),f.normalize(),l.push(f.x,f.y,f.z);break;case e.length-1:l.push(_.x,_.y,_.z);break;default:g=e[v+1].x-e[v].x,m=e[v+1].y-e[v].y,f.x=m*1,f.y=-g,f.z=m*0,p.copy(f),f.x+=_.x,f.y+=_.y,f.z+=_.z,f.normalize(),l.push(f.x,f.y,f.z),_.copy(p)}for(let v=0;v<=t;v++){const b=n+v*u*r,y=Math.sin(b),T=Math.cos(b);for(let S=0;S<=e.length-1;S++){h.x=e[S].x*y,h.y=e[S].y,h.z=e[S].x*T,a.push(h.x,h.y,h.z),d.x=v/t,d.y=S/(e.length-1),o.push(d.x,d.y);const R=l[3*S+0]*y,x=l[3*S+1],M=l[3*S+0]*T;c.push(R,x,M)}}for(let v=0;v<t;v++)for(let b=0;b<e.length-1;b++){const y=b+v*e.length,T=y,S=y+e.length,R=y+e.length+1,x=y+1;s.push(T,S,x),s.push(R,x,S)}this.setIndex(s),this.setAttribute("position",new Pe(a,3)),this.setAttribute("uv",new Pe(o,2)),this.setAttribute("normal",new Pe(c,3))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new $c(e.points,e.segments,e.phiStart,e.phiLength)}}class uo extends rr{constructor(e=1,t=0){const n=[1,0,0,-1,0,0,0,1,0,0,-1,0,0,0,1,0,0,-1],r=[0,2,4,0,4,3,0,3,5,0,5,2,1,2,5,1,5,3,1,3,4,1,4,2];super(n,r,e,t),this.type="OctahedronGeometry",this.parameters={radius:e,detail:t}}static fromJSON(e){return new uo(e.radius,e.detail)}}class Xs extends et{constructor(e=1,t=1,n=1,r=1){super(),this.type="PlaneGeometry",this.parameters={width:e,height:t,widthSegments:n,heightSegments:r};const s=e/2,a=t/2,o=Math.floor(n),l=Math.floor(r),c=o+1,u=l+1,h=e/o,d=t/l,f=[],p=[],_=[],g=[];for(let m=0;m<u;m++){const v=m*d-a;for(let b=0;b<c;b++){const y=b*h-s;p.push(y,-v,0),_.push(0,0,1),g.push(b/o),g.push(1-m/l)}}for(let m=0;m<l;m++)for(let v=0;v<o;v++){const b=v+c*m,y=v+c*(m+1),T=v+1+c*(m+1),S=v+1+c*m;f.push(b,y,S),f.push(y,T,S)}this.setIndex(f),this.setAttribute("position",new Pe(p,3)),this.setAttribute("normal",new Pe(_,3)),this.setAttribute("uv",new Pe(g,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new Xs(e.width,e.height,e.widthSegments,e.heightSegments)}}class Yc extends et{constructor(e=.5,t=1,n=32,r=1,s=0,a=Math.PI*2){super(),this.type="RingGeometry",this.parameters={innerRadius:e,outerRadius:t,thetaSegments:n,phiSegments:r,thetaStart:s,thetaLength:a},n=Math.max(3,n),r=Math.max(1,r);const o=[],l=[],c=[],u=[];let h=e;const d=(t-e)/r,f=new P,p=new j;for(let _=0;_<=r;_++){for(let g=0;g<=n;g++){const m=s+g/n*a;f.x=h*Math.cos(m),f.y=h*Math.sin(m),l.push(f.x,f.y,f.z),c.push(0,0,1),p.x=(f.x/t+1)/2,p.y=(f.y/t+1)/2,u.push(p.x,p.y)}h+=d}for(let _=0;_<r;_++){const g=_*(n+1);for(let m=0;m<n;m++){const v=m+g,b=v,y=v+n+1,T=v+n+2,S=v+1;o.push(b,y,S),o.push(y,T,S)}}this.setIndex(o),this.setAttribute("position",new Pe(l,3)),this.setAttribute("normal",new Pe(c,3)),this.setAttribute("uv",new Pe(u,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new Yc(e.innerRadius,e.outerRadius,e.thetaSegments,e.phiSegments,e.thetaStart,e.thetaLength)}}class Zc extends et{constructor(e=new Lr([new j(0,.5),new j(-.5,-.5),new j(.5,-.5)]),t=12){super(),this.type="ShapeGeometry",this.parameters={shapes:e,curveSegments:t};const n=[],r=[],s=[],a=[];let o=0,l=0;if(Array.isArray(e)===!1)c(e);else for(let u=0;u<e.length;u++)c(e[u]),this.addGroup(o,l,u),o+=l,l=0;this.setIndex(n),this.setAttribute("position",new Pe(r,3)),this.setAttribute("normal",new Pe(s,3)),this.setAttribute("uv",new Pe(a,2));function c(u){const h=r.length/3,d=u.extractPoints(t);let f=d.shape;const p=d.holes;Qn.isClockWise(f)===!1&&(f=f.reverse());for(let g=0,m=p.length;g<m;g++){const v=p[g];Qn.isClockWise(v)===!0&&(p[g]=v.reverse())}const _=Qn.triangulateShape(f,p);for(let g=0,m=p.length;g<m;g++){const v=p[g];f=f.concat(v)}for(let g=0,m=f.length;g<m;g++){const v=f[g];r.push(v.x,v.y,0),s.push(0,0,1),a.push(v.x,v.y)}for(let g=0,m=_.length;g<m;g++){const v=_[g],b=v[0]+h,y=v[1]+h,T=v[2]+h;n.push(b,y,T),l+=3}}}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}toJSON(){const e=super.toJSON(),t=this.parameters.shapes;return sE(t,e)}static fromJSON(e,t){const n=[];for(let r=0,s=e.shapes.length;r<s;r++){const a=t[e.shapes[r]];n.push(a)}return new Zc(n,e.curveSegments)}}function sE(i,e){if(e.shapes=[],Array.isArray(i))for(let t=0,n=i.length;t<n;t++){const r=i[t];e.shapes.push(r.uuid)}else e.shapes.push(i.uuid);return e}class qs extends et{constructor(e=1,t=32,n=16,r=0,s=Math.PI*2,a=0,o=Math.PI){super(),this.type="SphereGeometry",this.parameters={radius:e,widthSegments:t,heightSegments:n,phiStart:r,phiLength:s,thetaStart:a,thetaLength:o},t=Math.max(3,Math.floor(t)),n=Math.max(2,Math.floor(n));const l=Math.min(a+o,Math.PI);let c=0;const u=[],h=new P,d=new P,f=[],p=[],_=[],g=[];for(let m=0;m<=n;m++){const v=[],b=m/n;let y=0;m===0&&a===0?y=.5/t:m===n&&l===Math.PI&&(y=-.5/t);for(let T=0;T<=t;T++){const S=T/t;h.x=-e*Math.cos(r+S*s)*Math.sin(a+b*o),h.y=e*Math.cos(a+b*o),h.z=e*Math.sin(r+S*s)*Math.sin(a+b*o),p.push(h.x,h.y,h.z),d.copy(h).normalize(),_.push(d.x,d.y,d.z),g.push(S+y,1-b),v.push(c++)}u.push(v)}for(let m=0;m<n;m++)for(let v=0;v<t;v++){const b=u[m][v+1],y=u[m][v],T=u[m+1][v],S=u[m+1][v+1];(m!==0||a>0)&&f.push(b,y,S),(m!==n-1||l<Math.PI)&&f.push(y,T,S)}this.setIndex(f),this.setAttribute("position",new Pe(p,3)),this.setAttribute("normal",new Pe(_,3)),this.setAttribute("uv",new Pe(g,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new qs(e.radius,e.widthSegments,e.heightSegments,e.phiStart,e.phiLength,e.thetaStart,e.thetaLength)}}class Kc extends rr{constructor(e=1,t=0){const n=[1,1,1,-1,-1,1,-1,1,-1,1,-1,-1],r=[2,1,0,0,3,2,1,3,0,2,3,1];super(n,r,e,t),this.type="TetrahedronGeometry",this.parameters={radius:e,detail:t}}static fromJSON(e){return new Kc(e.radius,e.detail)}}class Jc extends et{constructor(e=1,t=.4,n=12,r=48,s=Math.PI*2,a=0,o=Math.PI*2){super(),this.type="TorusGeometry",this.parameters={radius:e,tube:t,radialSegments:n,tubularSegments:r,arc:s,thetaStart:a,thetaLength:o},n=Math.floor(n),r=Math.floor(r);const l=[],c=[],u=[],h=[],d=new P,f=new P,p=new P;for(let _=0;_<=n;_++){const g=a+_/n*o;for(let m=0;m<=r;m++){const v=m/r*s;f.x=(e+t*Math.cos(g))*Math.cos(v),f.y=(e+t*Math.cos(g))*Math.sin(v),f.z=t*Math.sin(g),c.push(f.x,f.y,f.z),d.x=e*Math.cos(v),d.y=e*Math.sin(v),p.subVectors(f,d).normalize(),u.push(p.x,p.y,p.z),h.push(m/r),h.push(_/n)}}for(let _=1;_<=n;_++)for(let g=1;g<=r;g++){const m=(r+1)*_+g-1,v=(r+1)*(_-1)+g-1,b=(r+1)*(_-1)+g,y=(r+1)*_+g;l.push(m,v,y),l.push(v,b,y)}this.setIndex(l),this.setAttribute("position",new Pe(c,3)),this.setAttribute("normal",new Pe(u,3)),this.setAttribute("uv",new Pe(h,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new Jc(e.radius,e.tube,e.radialSegments,e.tubularSegments,e.arc)}}class jc extends et{constructor(e=1,t=.4,n=64,r=8,s=2,a=3){super(),this.type="TorusKnotGeometry",this.parameters={radius:e,tube:t,tubularSegments:n,radialSegments:r,p:s,q:a},n=Math.floor(n),r=Math.floor(r);const o=[],l=[],c=[],u=[],h=new P,d=new P,f=new P,p=new P,_=new P,g=new P,m=new P;for(let b=0;b<=n;++b){const y=b/n*s*Math.PI*2;v(y,s,a,e,f),v(y+.01,s,a,e,p),g.subVectors(p,f),m.addVectors(p,f),_.crossVectors(g,m),m.crossVectors(_,g),_.normalize(),m.normalize();for(let T=0;T<=r;++T){const S=T/r*Math.PI*2,R=-t*Math.cos(S),x=t*Math.sin(S);h.x=f.x+(R*m.x+x*_.x),h.y=f.y+(R*m.y+x*_.y),h.z=f.z+(R*m.z+x*_.z),l.push(h.x,h.y,h.z),d.subVectors(h,f).normalize(),c.push(d.x,d.y,d.z),u.push(b/n),u.push(T/r)}}for(let b=1;b<=n;b++)for(let y=1;y<=r;y++){const T=(r+1)*(b-1)+(y-1),S=(r+1)*b+(y-1),R=(r+1)*b+y,x=(r+1)*(b-1)+y;o.push(T,S,x),o.push(S,R,x)}this.setIndex(o),this.setAttribute("position",new Pe(l,3)),this.setAttribute("normal",new Pe(c,3)),this.setAttribute("uv",new Pe(u,2));function v(b,y,T,S,R){const x=Math.cos(b),M=Math.sin(b),A=T/y*b,I=Math.cos(A);R.x=S*(2+I)*.5*x,R.y=S*(2+I)*M*.5,R.z=S*Math.sin(A)*.5}}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new jc(e.radius,e.tube,e.tubularSegments,e.radialSegments,e.p,e.q)}}class Qc extends et{constructor(e=new Cd(new P(-1,-1,0),new P(-1,1,0),new P(1,1,0)),t=64,n=1,r=8,s=!1){super(),this.type="TubeGeometry",this.parameters={path:e,tubularSegments:t,radius:n,radialSegments:r,closed:s};const a=e.computeFrenetFrames(t,s);this.tangents=a.tangents,this.normals=a.normals,this.binormals=a.binormals;const o=new P,l=new P,c=new j;let u=new P;const h=[],d=[],f=[],p=[];_(),this.setIndex(p),this.setAttribute("position",new Pe(h,3)),this.setAttribute("normal",new Pe(d,3)),this.setAttribute("uv",new Pe(f,2));function _(){for(let b=0;b<t;b++)g(b);g(s===!1?t:0),v(),m()}function g(b){u=e.getPointAt(b/t,u);const y=a.normals[b],T=a.binormals[b];for(let S=0;S<=r;S++){const R=S/r*Math.PI*2,x=Math.sin(R),M=-Math.cos(R);l.x=M*y.x+x*T.x,l.y=M*y.y+x*T.y,l.z=M*y.z+x*T.z,l.normalize(),d.push(l.x,l.y,l.z),o.x=u.x+n*l.x,o.y=u.y+n*l.y,o.z=u.z+n*l.z,h.push(o.x,o.y,o.z)}}function m(){for(let b=1;b<=t;b++)for(let y=1;y<=r;y++){const T=(r+1)*(b-1)+(y-1),S=(r+1)*b+(y-1),R=(r+1)*b+y,x=(r+1)*(b-1)+y;p.push(T,S,x),p.push(S,R,x)}}function v(){for(let b=0;b<=t;b++)for(let y=0;y<=r;y++)c.x=b/t,c.y=y/r,f.push(c.x,c.y)}}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}toJSON(){const e=super.toJSON();return e.path=this.parameters.path.toJSON(),e}static fromJSON(e){return new Qc(new uc[e.path.type]().fromJSON(e.path),e.tubularSegments,e.radius,e.radialSegments,e.closed)}}class N_ extends et{constructor(e=null){if(super(),this.type="WireframeGeometry",this.parameters={geometry:e},e!==null){const t=[],n=new Set,r=new P,s=new P;if(e.index!==null){const a=e.attributes.position,o=e.index;let l=e.groups;l.length===0&&(l=[{start:0,count:o.count,materialIndex:0}]);for(let c=0,u=l.length;c<u;++c){const h=l[c],d=h.start,f=h.count;for(let p=d,_=d+f;p<_;p+=3)for(let g=0;g<3;g++){const m=o.getX(p+g),v=o.getX(p+(g+1)%3);r.fromBufferAttribute(a,m),s.fromBufferAttribute(a,v),_p(r,s,n)===!0&&(t.push(r.x,r.y,r.z),t.push(s.x,s.y,s.z))}}}else{const a=e.attributes.position;for(let o=0,l=a.count/3;o<l;o++)for(let c=0;c<3;c++){const u=3*o+c,h=3*o+(c+1)%3;r.fromBufferAttribute(a,u),s.fromBufferAttribute(a,h),_p(r,s,n)===!0&&(t.push(r.x,r.y,r.z),t.push(s.x,s.y,s.z))}}this.setAttribute("position",new Pe(t,3))}}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}}function _p(i,e,t){const n=`${i.x},${i.y},${i.z}-${e.x},${e.y},${e.z}`,r=`${e.x},${e.y},${e.z}-${i.x},${i.y},${i.z}`;return t.has(n)===!0||t.has(r)===!0?!1:(t.add(n),t.add(r),!0)}var vp=Object.freeze({__proto__:null,BoxGeometry:Vr,CapsuleGeometry:zc,CircleGeometry:Hc,ConeGeometry:co,CylinderGeometry:lo,DodecahedronGeometry:Gc,EdgesGeometry:M_,ExtrudeGeometry:Xc,IcosahedronGeometry:qc,LatheGeometry:$c,OctahedronGeometry:uo,PlaneGeometry:Xs,PolyhedronGeometry:rr,RingGeometry:Yc,ShapeGeometry:Zc,SphereGeometry:qs,TetrahedronGeometry:Kc,TorusGeometry:Jc,TorusKnotGeometry:jc,TubeGeometry:Qc,WireframeGeometry:N_});class D_ extends rn{constructor(e){super(),this.isShadowMaterial=!0,this.type="ShadowMaterial",this.color=new Ee(0),this.transparent=!0,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.fog=e.fog,this}}function Os(i){const e={};for(const t in i){e[t]={};for(const n in i[t]){const r=i[t][n];if(xp(r))r.isRenderTargetTexture?(_e("UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms()."),e[t][n]=null):e[t][n]=r.clone();else if(Array.isArray(r))if(xp(r[0])){const s=[];for(let a=0,o=r.length;a<o;a++)s[a]=r[a].clone();e[t][n]=s}else e[t][n]=r.slice();else e[t][n]=r}}return e}function fn(i){const e={};for(let t=0;t<i.length;t++){const n=Os(i[t]);for(const r in n)e[r]=n[r]}return e}function xp(i){return i&&(i.isColor||i.isMatrix3||i.isMatrix4||i.isVector2||i.isVector3||i.isVector4||i.isTexture||i.isQuaternion)}function aE(i){const e=[];for(let t=0;t<i.length;t++)e.push(i[t].clone());return e}function O_(i){const e=i.getRenderTarget();return e===null?i.outputColorSpace:e.isXRRenderTarget===!0?e.texture.colorSpace:dt.workingColorSpace}const U_={clone:Os,merge:fn};var oE=`void main() {
2	gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
3}`,lE=`void main() {
4	gl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );
5}`;class Cn extends rn{constructor(e){super(),this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader=oE,this.fragmentShader=lE,this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.forceSinglePass=!0,this.extensions={clipCullDistance:!1,multiDraw:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv1:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,e!==void 0&&this.setValues(e)}copy(e){return super.copy(e),this.fragmentShader=e.fragmentShader,this.vertexShader=e.vertexShader,this.uniforms=Os(e.uniforms),this.uniformsGroups=aE(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.defaultAttributeValues=Object.assign({},e.defaultAttributeValues),this.index0AttributeName=e.index0AttributeName,this.uniformsNeedUpdate=e.uniformsNeedUpdate,this}toJSON(e){const t=super.toJSON(e);t.glslVersion=this.glslVersion,t.uniforms={};for(const r in this.uniforms){const a=this.uniforms[r].value;a&&a.isTexture?t.uniforms[r]={type:"t",value:a.toJSON(e).uuid}:a&&a.isColor?t.uniforms[r]={type:"c",value:a.getHex()}:a&&a.isVector2?t.uniforms[r]={type:"v2",value:a.toArray()}:a&&a.isVector3?t.uniforms[r]={type:"v3",value:a.toArray()}:a&&a.isVector4?t.uniforms[r]={type:"v4",value:a.toArray()}:a&&a.isMatrix3?t.uniforms[r]={type:"m3",value:a.toArray()}:a&&a.isMatrix4?t.uniforms[r]={type:"m4",value:a.toArray()}:t.uniforms[r]={value:a}}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 r in this.extensions)this.extensions[r]===!0&&(n[r]=!0);return Object.keys(n).length>0&&(t.extensions=n),t}}class Id extends Cn{constructor(e){super(e),this.isRawShaderMaterial=!0,this.type="RawShaderMaterial"}}class Pd extends rn{constructor(e){super(),this.isMeshStandardMaterial=!0,this.type="MeshStandardMaterial",this.defines={STANDARD:""},this.color=new Ee(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 Ee(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Li,this.normalScale=new j(1,

51),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.roughnessMap=null,this.metalnessMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new ni,this.envMapIntensity=1,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.defines={STANDARD:""},this.color.copy(e.color),this.roughness=e.roughness,this.metalness=e.metalness,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.roughnessMap=e.roughnessMap,this.metalnessMap=e.metalnessMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapRotation.copy(e.envMapRotation),this.envMapIntensity=e.envMapIntensity,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this.fog=e.fog,this}}class F_ extends Pd{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 j(1,1),this.clearcoatNormalMap=null,this.ior=1.5,Object.defineProperty(this,"reflectivity",{get:function(){return $e(2.5*(this.ior-1)/(this.ior+1),0,1)},set:function(t){this.ior=(1+.4*t)/(1-.4*t)}}),this.iridescenceMap=null,this.iridescenceIOR=1.3,this.iridescenceThicknessRange=[100,400],this.iridescenceThicknessMap=null,this.sheenColor=new Ee(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 Ee(1,1,1),this.specularIntensity=1,this.specularIntensityMap=null,this.specularColor=new Ee(1,1,1),this.specularColorMap=null,this._anisotropy=0,this._clearcoat=0,this._dispersion=0,this._iridescence=0,this._sheen=0,this._transmission=0,this.setValues(e)}get anisotropy(){return this._anisotropy}set anisotropy(e){this._anisotropy>0!=e>0&&this.version++,this._anisotropy=e}get clearcoat(){return this._clearcoat}set clearcoat(e){this._clearcoat>0!=e>0&&this.version++,this._clearcoat=e}get iridescence(){return this._iridescence}set iridescence(e){this._iridescence>0!=e>0&&this.version++,this._iridescence=e}get dispersion(){return this._dispersion}set dispersion(e){this._dispersion>0!=e>0&&this.version++,this._dispersion=e}get sheen(){return this._sheen}set sheen(e){this._sheen>0!=e>0&&this.version++,this._sheen=e}get transmission(){return this._transmission}set transmission(e){this._transmission>0!=e>0&&this.version++,this._transmission=e}copy(e){return super.copy(e),this.defines={STANDARD:"",PHYSICAL:""},this.anisotropy=e.anisotropy,this.anisotropyRotation=e.anisotropyRotation,this.anisotropyMap=e.anisotropyMap,this.clearcoat=e.clearcoat,this.clearcoatMap=e.clearcoatMap,this.clearcoatRoughness=e.clearcoatRoughness,this.clearcoatRoughnessMap=e.clearcoatRoughnessMap,this.clearcoatNormalMap=e.clearcoatNormalMap,this.clearcoatNormalScale.copy(e.clearcoatNormalScale),this.dispersion=e.dispersion,this.ior=e.ior,this.iridescence=e.iridescence,this.iridescenceMap=e.iridescenceMap,this.iridescenceIOR=e.iridescenceIOR,this.iridescenceThicknessRange=[...e.iridescenceThicknessRange],this.iridescenceThicknessMap=e.iridescenceThicknessMap,this.sheen=e.sheen,this.sheenColor.copy(e.sheenColor),this.sheenColorMap=e.sheenColorMap,this.sheenRoughness=e.sheenRoughness,this.sheenRoughnessMap=e.sheenRoughnessMap,this.transmission=e.transmission,this.transmissionMap=e.transmissionMap,this.thickness=e.thickness,this.thicknessMap=e.thicknessMap,this.attenuationDistance=e.attenuationDistance,this.attenuationColor.copy(e.attenuationColor),this.specularIntensity=e.specularIntensity,this.specularIntensityMap=e.specularIntensityMap,this.specularColor.copy(e.specularColor),this.specularColorMap=e.specularColorMap,this}}class B_ extends rn{constructor(e){super(),this.isMeshPhongMaterial=!0,this.type="MeshPhongMaterial",this.color=new Ee(16777215),this.specular=new Ee(1118481),this.shininess=30,this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Ee(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Li,this.normalScale=new j(1,

51),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new ni,this.combine=ro,this.reflectivity=1,this.envMapIntensity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.specular.copy(e.specular),this.shininess=e.shininess,this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapRotation.copy(e.envMapRotation),this.combine=e.combine,this.reflectivity=e.reflectivity,this.envMapIntensity=e.envMapIntensity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this.fog=e.fog,this}}class k_ extends rn{constructor(e){super(),this.isMeshToonMaterial=!0,this.defines={TOON:""},this.type="MeshToonMaterial",this.color=new Ee(16777215),this.map=null,this.gradientMap=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Ee(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Li,this.normalScale=new j(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.gradientMap=e.gradientMap,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.fog=e.fog,this}}class V_ extends rn{constructor(e){super(),this.isMeshNormalMaterial=!0,this.type="MeshNormalMaterial",this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Li,this.normalScale=new j(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.setValues(e)}copy(e){return super.copy(e),this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.flatShading=e.flatShading,this}}class z_ extends rn{constructor(e){super(),this.isMeshLambertMaterial=!0,this.type="MeshLambertMaterial",this.color=new Ee(16777215),this.map=null,this.lightMap=null,this.lightMapIntensity=1,this.aoMap=null,this.aoMapIntensity=1,this.emissive=new Ee(0),this.emissiveIntensity=1,this.emissiveMap=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Li,this.normalScale=new j(1,

51),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.specularMap=null,this.alphaMap=null,this.envMap=null,this.envMapRotation=new ni,this.combine=ro,this.reflectivity=1,this.envMapIntensity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.emissive.copy(e.emissive),this.emissiveMap=e.emissiveMap,this.emissiveIntensity=e.emissiveIntensity,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapRotation.copy(e.envMapRotation),this.combine=e.combine,this.reflectivity=e.reflectivity,this.envMapIntensity=e.envMapIntensity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.flatShading=e.flatShading,this.fog=e.fog,this}}class Ld extends rn{constructor(e){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=Qg,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 Nd extends rn{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}}class H_ extends rn{constructor(e){super(),this.isMeshMatcapMaterial=!0,this.defines={MATCAP:""},this.type="MeshMatcapMaterial",this.color=new Ee(16777215),this.matcap=null,this.map=null,this.bumpMap=null,this.bumpScale=1,this.normalMap=null,this.normalMapType=Li,this.normalScale=new j(1,1),this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.alphaMap=null,this.wireframe=!1,this.wireframeLinewidth=1,this.flatShading=!1,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.defines={MATCAP:""},this.color.copy(e.color),this.matcap=e.matcap,this.map=e.map,this.bumpMap=e.bumpMap,this.bumpScale=e.bumpScale,this.normalMap=e.normalMap,this.normalMapType=e.normalMapType,this.normalScale.copy(e.normalScale),this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.alphaMap=e.alphaMap,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.flatShading=e.flatShading,this.fog=e.fog,this}}class G_ extends bn{constructor(e){super(),this.isLineDashedMaterial=!0,this.type="LineDashedMaterial",this.scale=1,this.dashSize=3,this.gapSize=1,this.setValues(e)}copy(e){return super.copy(e),this.scale=e.scale,this.dashSize=e.dashSize,this.gapSize=e.gapSize,this}}function wr(i,e){return!i||i.constructor===e?i:typeof e.BYTES_PER_ELEMENT=="number"?new e(i):Array.prototype.slice.call(i)}function W_(i){function e(r,s){return i[r]-i[s]}const t=i.length,n=new Array(t);for(let r=0;r!==t;++r)n[r]=r;return n.sort(e),n}function Mh(i,e,t){const n=i.length,r=new i.constructor(n);for(let s=0,a=0;a!==n;++s){const o=t[s]*e;for(let l=0;l!==e;++l)r[a++]=i[o+l]}return r}function Dd(i,e,t,n){let r=1,s=i[0];for(;s!==void 0&&s[n]===void 0;)s=i[r++];if(s===void 0)return;let a=s[n];if(a!==void 0)if(Array.isArray(a))do a=s[n],a!==void 0&&(e.push(s.time),t.push(...a)),s=i[r++];while(s!==void 0);else if(a.toArray!==void 0)do a=s[n],a!==void 0&&(e.push(s.time),a.toArray(t,t.length)),s=i[r++];while(s!==void 0);else do a=s[n],a!==void 0&&(e.push(s.time),t.push(a)),s=i[r++];while(s!==void 0)}

5function cE(i,e,t,n,r=30){const s=i.clone();s.name=e;const a=[];for(let l=0;l<s.tracks.length;++l){const c=s.tracks[l],u=c.getValueSize(),h=[],d=[];for(let f=0;f<c.times.length;++f){const p=c.times[f]*r;if(!(p<t||p>=n)){h.push(c.times[f]);for(let _=0;_<u;++_)d.push(c.values[f*u+_])}}h.length!==0&&(c.times=wr(h,c.times.constructor),c.values=wr(d,c.values.constructor),a.push(c))}s.tracks=a;let o=1/0;for(let l=0;l<s.tracks.length;++l)o>s.tracks[l].times[0]&&(o=s.tracks[l].times[0]);for(let l=0;l<s.tracks.length;++l)s.tracks[l].shift(-1*o);return s.resetDuration(),s}function uE(i,e=0,t=i,n=30){n<=0&&(n=30);const r=t.tracks.length,s=e/n;for(let a=0;a<r;++a){const o=t.tracks[a],l=o.ValueTypeName;if(l==="bool"||l==="string")continue;const c=i.tracks.find(function(m){return m.name===o.name&&m.ValueTypeName===l});if(c===void 0)continue;let u=0;const h=o.getValueSize();o.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(u=h/3);let d=0;const f=c.getValueSize();c.createInterpolant.isInterpolantFactoryMethodGLTFCubicSpline&&(d=f/3);const p=o.times.length-1;let _;if(s<=o.times[0]){const m=u,v=h-u;_=o.values.slice(m,v)}else if(s>=o.times[p]){const m=p*h+u,v=m+h-u;_=o.values.slice(m,v)}else{const m=o.createInterpolant(),v=u,b=h-u;m.evaluate(s),_=m.resultBuffer.slice(v,b)}l==="quaternion"&&new tn().fromArray(_).normalize().conjugate().toArray(_);const g=c.times.length;for(let m=0;m<g;++m){const v=m*f+d;if(l==="quaternion")tn.multiplyQuaternionsFlat(c.values,v,_,0,c.values,v);else{const b=f-d*2;for(let y=0;y<b;++y)c.values[v+y]-=_[y]}}}return i.blendMode=md,i}class hE{static convertArray(e,t){return wr(e,t)}static isTypedArray(e){return l_(e)}static getKeyframeOrder(e){return W_(e)}static sortedArray(e,t,n){return Mh(e,t,n)}static flattenJSON(e,t,n,r){Dd(e,t,n,r)}static subclip(e,t,n,r,s=30){return cE(e,t,n,r,s)}static makeClipAdditive(e,t=0,n=e,r=30){return uE(e,t,n,r)}}class $s{constructor(e,t,n,r){this.parameterPositions=e,this._cachedIndex=0,this.resultBuffer=r!==void 0?r: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,r=t[n],s=t[n-1];e:{t:{let a;n:{i:if(!(e<r)){for(let o=n+2;;){if(r===void 0){if(e<s)break i;return n=t.length,this._cachedIndex=n,this.copySampleValue_(n-1)}if(n===o)break;if(s=r,r=t[++n],e<r)break t}a=t.length;break n}if(!(e>=s)){const o=t[1];e<o&&(n=2,s=o);for(let l=n-2;;){if(s===void 0)return this._cachedIndex=0,this.copySampleValue_(0);if(n===l)break;if(r=s,s=t[--n-1],e>=s)break t}a=n,n=0;break n}break e}for(;n<a;){const o=n+a>>>1;e<t[o]?a=o:n=o+1}if(r=t[n],s=t[n-1],s===void 0)return this._cachedIndex=0,this.copySampleValue_(0);if(r===void 0)return n=t.length,this._cachedIndex=n,this.copySampleValue_(n-1)}this._cachedIndex=n,this.intervalChanged_(n,s,r)}return this.interpolate_(n,s,e,r)}getSettings_(){return this.settings||this.DefaultSettings_}copySampleValue_(e){const t=this.resultBuffer,n=this.sampleValues,r=this.valueSize,s=e*r;for(let a=0;a!==r;++a)t[a]=n[s+a];return t}interpolate_(){throw new Error("call to abstract method")}intervalChanged_(){}}class X_ extends $s{constructor(e,t,n,r){super(e,t,n,r),this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0,this.DefaultSettings_={endingStart:Er,endingEnd:Er}}intervalChanged_(e,t,n){const r=this.parameterPositions;let s=e-2,a=e+1,o=r[s],l=r[a];if(o===void 0)switch(this.getSettings_().endingStart){case Tr:s=e,o=2*t-n;break;case za:s=r.length-2,o=t+r[s]-r[s+1];break;default:s=e,o=n}if(l===void 0)switch(this.getSettings_().endingEnd){case Tr:a=e,l=2*n-t;break;case za:a=1,l=n+r[1]-r[0];break;default:a=e-1,l=t}const c=(n-t)*.5,u=this.valueSize;this._weightPrev=c/(t-o),this._weightNext=c/(l-n),this._offsetPrev=s*u,this._offsetNext=a*u}interpolate_(e,t,n,r){const s=this.resultBuffer,a=this.sampleValues,o=this.valueSize,l=e*o,c=l-o,u=this._offsetPrev,h=this._offsetNext,d=this._weightPrev,f=this._weightNext,p=(n-t)/(r-t),_=p*p,g=_*p,m=-d*g+2*d*_-d*p,v=(1+d)*g+(-1.5-2*d)*_+(-.5+d)*p+1,b=(-1-f)*g+(1.5+f)*_+.5*p,y=f*g-f*_;for(let T=0;T!==o;++T)s[T]=m*a[u+T]+v*a[c+T]+b*a[l+T]+y*a[h+T];return s}}class Od extends $s{constructor(e,t,n,r){super(e,t,n,r)}interpolate_(e,t,n,r){const s=this.resultBuffer,a=this.sampleValues,o=this.valueSize,l=e*o,c=l-o,u=(n-t)/(r-t),h=1-u;for(let d=0;d!==o;++d)s[d]=a[c+d]*h+a[l+d]*u;return s}}class q_ extends $s{constructor(e,t,n,r){super(e,t,n,r)}interpolate_(e){return this.copySampleValue_(e-1)}}class $_ extends $s{interpolate_(e,t,n,r){const s=this.resultBuffer,a=this.sampleValues,o=this.valueSize,l=e*o,c=l-o,u=this.settings||this.DefaultSettings_,h=u.inTangents,d=u.outTangents;if(!h||!d){const _=(n-t)/(r-t),g=1-_;for(let m=0;m!==o;++m)s[m]=a[c+m]*g+a[l+m]*_;return s}const f=o*2,p=e-1;for(let _=0;_!==o;++_){const g=a[c+_],m=a[l+_],v=p*f+_*2,b=d[v],y=d[v+1],T=e*f+_*2,S=h[T],R=h[T+1];let x=(n-t)/(r-t),M,A,I,N,U;for(let k=0;k<8;k++){M=x*x,A=M*x,I=1-x,N=I*I,U=N*I;const F=U*t+3*N*x*b+3*I*M*S+A*r-n;if(Math.abs(F)<1e-10)break;const O=3*N*(b-t)+6*I*x*(S-b)+3*M*(r-S);if(Math.abs(O)<1e-10)break;

5x=x-F/O,x=Math.max(0,Math.min(1,x))}s[_]=U*g+3*N*x*y+3*I*M*R+A*m}return s}}class Wn{constructor(e,t,n,r){if(e===void 0)throw new Error("THREE.KeyframeTrack: track name is undefined");if(t===void 0||t.length===0)throw new Error("THREE.KeyframeTrack: no keyframes in track named "+e);this.name=e,this.times=wr(t,this.TimeBufferType),this.values=wr(n,this.ValueBufferType),this.setInterpolation(r||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:wr(e.times,Array),values:wr(e.values,Array)};const r=e.getInterpolation();r!==e.DefaultInterpolation&&(n.interpolation=r)}return n.type=e.ValueTypeName,n}InterpolantFactoryMethodDiscrete(e){return new q_(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodLinear(e){return new Od(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodSmooth(e){return new X_(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodBezier(e){const t=new $_(this.times,this.values,this.getValueSize(),e);return this.settings&&(t.settings=this.settings),t}setInterpolation(e){let t;switch(e){case Va:t=this.InterpolantFactoryMethodDiscrete;break;case sc:t=this.InterpolantFactoryMethodLinear;break;case hl:t=this.InterpolantFactoryMethodSmooth;break;case _h:t=this.InterpolantFactoryMethodBezier;break}if(t===void 0){const n="unsupported interpolation for "+this.ValueTypeName+" keyframe track named "+this.name;if(this.createInterpolant===void 0)if(e!==this.DefaultInterpolation)this.setInterpolation(this.DefaultInterpolation);else throw new Error(n);return _e("KeyframeTrack:",n),this}return this.createInterpolant=t,this}getInterpolation(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return Va;case this.InterpolantFactoryMethodLinear:return sc;case this.InterpolantFactoryMethodSmooth:return hl;case this.InterpolantFactoryMethodBezier:return _h}}getValueSize(){return this.values.length/this.times.length}shift(e){if(e!==0){const t=this.times;for(let n=0,r=t.length;n!==r;++n)t[n]+=e}return this}scale(e){if(e!==1){const t=this.times;for(let n=0,r=t.length;n!==r;++n)t[n]*=e}return this}trim(e,t){const n=this.times,r=n.length;let s=0,a=r-1;for(;s!==r&&n[s]<e;)++s;for(;a!==-1&&n[a]>t;)--a;if(++a,s!==0||a!==r){s>=a&&(a=Math.max(a,1),s=a-1);const o=this.getValueSize();this.times=n.slice(s,a),this.values=this.values.slice(s*o,a*o)}return this}validate(){let e=!0;const t=this.getValueSize();t-Math.floor(t)!==0&&(Oe("KeyframeTrack: Invalid value size in track.",this),e=!1);const n=this.times,r=this.values,s=n.length;s===0&&(Oe("KeyframeTrack: Track is empty.",this),e=!1);let a=null;for(let o=0;o!==s;o++){const l=n[o];if(typeof l=="number"&&isNaN(l)){Oe("KeyframeTrack: Time is not a valid number.",this,o,l),e=!1;break}if(a!==null&&a>l){Oe("KeyframeTrack: Out of order keys.",this,o,l,a),e=!1;break}a=l}if(r!==void 0&&l_(r))for(let o=0,l=r.length;o!==l;++o){const c=r[o];if(isNaN(c)){Oe("KeyframeTrack: Value is not a valid number.",this,o,c),e=!1;break}}return e}optimize(){const e=this.times.slice(),t=this.values.slice(),n=this.getValueSize(),r=this.getInterpolation()===hl,s=e.length-1;let a=1;for(let o=1;o<s;++o){let l=!1;const c=e[o],u=e[o+1];if(c!==u&&(o!==1||c!==e[0]))if(r)l=!0;else{const h=o*n,d=h-n,f=h+n;for(let p=0;p!==n;++p){const _=t[h+p];if(_!==t[d+p]||_!==t[f+p]){l=!0;break}}}if(l){if(o!==a){e[a]=e[o];const h=o*n,d=a*n;for(let f=0;f!==n;++f)t[d+f]=t[h+f]}++a}}if(s>0){e[a]=e[s];for(let o=s*n,l=a*n,c=0;c!==n;++c)t[l+c]=t[o+c];++a}return a!==e.length?(this.times=e.slice(0,a),this.values=t.slice(0,a*n)):(this.times=e,this.values=t),this}clone(){const e=this.times.slice(),t=this.values.slice(),n=this.constructor,r=new n(this.name,e,t);return r.createInterpolant=this.createInterpolant,r}}Wn.prototype.ValueTypeName="";Wn.prototype.TimeBufferType=Float32Array;Wn.prototype.ValueBufferType=Float32Array;Wn.prototype.DefaultInterpolation=sc;class zr extends Wn{constructor(e,t,n){super(e,t,n)}}zr.prototype.ValueTypeName="bool";zr.prototype.ValueBufferType=Array;zr.prototype.DefaultInterpolation=Va;zr.prototype.InterpolantFactoryMethodLinear=void 0;zr.prototype.InterpolantFactoryMethodSmooth=void 0;class Ud extends Wn{constructor(e,t,n,r){super(e,t,n,r)}}Ud.prototype.ValueTypeName="color";class Ka extends Wn{constructor(e,t,n,r){super(e,t,n,r)}}Ka.prototype.ValueTypeName="number";class Y_ extends $s{constructor(e,t,n,r){super(e,t,n,r)}interpolate_(e,t,n,r){const s=this.resultBuffer,a=this.sampleValues,o=this.valueSize,l=(n-t)/(r-t);let c=e*o;for(let u=c+o;c!==u;c+=4)tn.slerpFlat(s,0,a,c-o,a,c,l);return s}}class ho extends Wn{constructor(e,t,n,r){super(e,t,n,r)}InterpolantFactoryMethodLinear(e){return new Y_(this.times,this.values,this.getValueSize(),e)}}ho.prototype.ValueTypeName="quaternion";ho.prototype.InterpolantFactoryMethodSmooth=void 0;class Hr extends Wn{constructor(e,t,n){super(e,t,n)}}Hr.prototype.ValueTypeName="string";Hr.prototype.ValueBufferType=Array;Hr.prototype.DefaultInterpolation=Va;Hr.prototype.InterpolantFactoryMethodLinear=void 0;Hr.prototype.InterpolantFactoryMethodSmooth=void 0;class Ja extends Wn{constructor(e,t,n,r){super(e,t,n,r)}}Ja.prototype.ValueTypeName="vector";class ja{constructor(e="",t=-1,n=[],r=Rc){this.name=e,this.tracks=n,this.duration=t,this.blendMode=r,this.uuid=Fn(),this.userData={},this.duration<0&&this.resetDuration()}static parse(e){const t=[],n=e.tracks,r=1/(e.fps||1);for(let a=0,o=n.length;a!==o;++a)t.push(fE(n[a]).scale(r));const s=new this(e.name,e.duration,t,e.blendMode);return s.uuid=e.uuid,s.userData=JSON.parse(e.userData||"{}"),s}static toJSON(e){const t=[],n=e.tracks,r={name:e.name,duration:e.duration,tracks:t,uuid:e.uuid,blendMode:e.blendMode,userData:JSON.stringify(e.userData)};for(let s=0,a=n.length;s!==a;++s)t.push(Wn.toJSON(n[s]));return r}static CreateFromMorphTargetSequence(e,t,n,r){const s=t.length,a=[];for(let o=0;o<s;o++){let l=[],c=[];l.push((o+s-1)%s,o,(o+1)%s),c.push(0,1,0);const u=W_(l);l=Mh(l,1,u),c=Mh(c,1,u),!r&&l[0]===0&&(l.push(s),c.push(c[0])),a.push(new Ka(".morphTargetInfluences["+t[o].name+"]",l,c).scale(1/n))}return new this(e,-1,a)}static findByName(e,t){let n=e;if(!Array.isArray(e)){const r=e;n=r.geometry&&r.geometry.animations||r.animations}for(let r=0;r<n.length;r++)if(n[r].name===t)return n[r];return null}static CreateClipsFromMorphTargetSequences(e,t,n){const r={},s=/^([\w-]*?)([\d]+)$/;for(let o=0,l=e.length;o<l;o++){const c=e[o],u=c.name.match(s);if(u&&u.length>1){const h=u[1];let d=r[h];d||(r[h]=d=[]),d.push(c)}}const a=[];for(const o in r)a.push(this.CreateFromMorphTargetSequence(o,r[o],t,n));return a}static parseAnimation(e,t){if(_e("AnimationClip: parseAnimation() is deprecated and will be removed with r185"),!e)return Oe("AnimationClip: No animation in JSONLoader data."),null;const n=function(h,d,f,p,_){if(f.length!==0){const g=[],m=[];Dd(f,g,m,p),g.length!==0&&_.push(new h(d,g,m))}},r=[],s=e.name||"default",a=e.fps||30,o=e.blendMode;let l=e.length||-1;const c=e.hierarchy||[];for(let h=0;h<c.length;h++){const d=c[h].keys;if(!(!d||d.length===0))if(d[0].morphTargets){const f={};let p;for(p=0;p<d.length;p++)if(d[p].morphTargets)for(let _=0;_<d[p].morphTargets.length;_++)f[d[p].morphTargets[_]]=-1;for(const _ in f){const g=[],m=[];for(let v=0;v!==d[p].morphTargets.length;++v){const b=d[p];g.push(b.time),m.push(b.morphTarget===_?1:0)}r.push(new Ka(".morphTargetInfluence["+_+"]",g,m))}l=f.length*a}else{const f=".bones["+t[h].name+"]";n(Ja,f+".position",d,"pos",r),n(ho,f+".quaternion",d,"rot",r),n(Ja,f+".scale",d,"scl",r)}}return r.length===0?null:new this(s,l,r,o)}resetDuration(){const e=this.tracks;let t=0;for(let n=0,r=e.length;n!==r;++n){const s=this.tracks[n];t=Math.max(t,s.times[s.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 n=0;n<this.tracks.length;n++)e.push(this.tracks[n].clone());const t=new this.constructor(this.name,this.duration,e,this.blendMode);return t.userData=JSON.parse(JSON.stringify(this.userData)),t}toJSON(){return this.constructor.toJSON(this)}}function dE(i){switch(i.toLowerCase()){case"scalar":case"double":case"float":case"number":case"integer":return Ka;case"vector":case"vector2":case"vector3":case"vector4":return Ja;case"color":return Ud;case"quaternion":return ho;case"bool":case"boolean":return zr;case"string":return Hr}throw new Error("THREE.KeyframeTrack: Unsupported typeName: "+i)}function fE(i){if(i.type===void 0)throw new Error("THREE.KeyframeTrack: track type undefined, can not parse");const e=dE(i.type);if(i.times===void 0){const t=[],n=[];Dd(i.keys,t,n,"value"),i.times=t,i.values=n}return e.parse!==void 0?e.parse(i):new e(i.name,i.times,i.values,i.interpolation)}const fi={enabled:!1,files:{},add:function(i,e){this.enabled!==!1&&(yp(i)||(this.files[i]=e))},get:function(i){if(this.enabled!==!1&&!yp(i))return this.files[i]},remove:function(i){delete this.files[i]},clear:function(){this.files={}}};function yp(i){try{const e=i.slice(i.indexOf(":")+1);return new URL(e).protocol==="blob:"}catch{return!1}}class Fd{constructor(e,t,n){const r=this;let s=!1,a=0,o=0,l;const c=[];this.onStart=void 0,this.onLoad=e,this.onProgress=t,this.onError=n,this._abortController=null,this.itemStart=function(u){o++,s===!1&&r.onStart!==void 0&&r.onStart(u,a,o),s=!0},this.itemEnd=function(u){a++,r.onProgress!==void 0&&r.onProgress(u,a,o),a===o&&(s=!1,r.onLoad!==void 0&&r.onLoad())},this.itemError=function(u){r.onError!==void 0&&r.onError(u)},this.resolveURL=function(u){return l?l(u):u},this.setURLModifier=function(u){return l=u,this},this.addHandler=function(u,h){return c.push(u,h),this},this.removeHandler=function(u){const h=c.indexOf(u);return h!==-1&&c.splice(h,2),this},this.getHandler=function(u){for(let h=0,d=c.length;h<d;h+=2){const f=c[h],p=c[h+1];if(f.global&&(f.lastIndex=0),f.test(u))return p}return null},this.abort=function(){return this.abortController.abort(),this._abortController=null,this}}get abortController(){return this._abortController||(this._abortController=new AbortController),this._abortController}}const Z_=new Fd;class Rn{constructor(e){this.manager=e!==void 0?e:Z_,this.crossOrigin="anonymous",this.withCredentials=!1,this.path="",this.resourcePath="",this.requestHeader={},typeof __THREE_DEVTOOLS__<"u"&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}load(){}loadAsync(e,t){const n=this;return new Promise(function(r,s){n.load(e,r,t,s)})}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}abort(){return this}}Rn.DEFAULT_MATERIAL_NAME="__DEFAULT";const Ti={};

5class pE extends Error{constructor(e,t){super(e),this.response=t}}class Ni extends Rn{constructor(e){super(e),this.mimeType="",this.responseType="",this._abortController=new AbortController}load(e,t,n,r){e===void 0&&(e=""),this.path!==void 0&&(e=this.path+e),e=this.manager.resolveURL(e);const s=fi.get(`file:${e}`);if(s!==void 0){this.manager.itemStart(e),setTimeout(()=>{t&&t(s),this.manager.itemEnd(e)},0);return}if(Ti[e]!==void 0){Ti[e].push({onLoad:t,onProgress:n,onError:r});return}Ti[e]=[],Ti[e].push({onLoad:t,onProgress:n,onError:r});const a=new Request(e,{headers:new Headers(this.requestHeader),credentials:this.withCredentials?"include":"same-origin",signal:typeof AbortSignal.any=="function"?AbortSignal.any([this._abortController.signal,this.manager.abortController.signal]):this._abortController.signal}),o=this.mimeType,l=this.responseType;fetch(a).then(c=>{if(c.status===200||c.status===0){if(c.status===0&&_e("FileLoader: HTTP Status 0 received."),typeof ReadableStream>"u"||c.body===void 0||c.body.getReader===void 0)return c;const u=Ti[e],h=c.body.getReader(),d=c.headers.get("X-File-Size")||c.headers.get("Content-Length"),f=d?parseInt(d):0,p=f!==0;let _=0;const g=new ReadableStream({start(m){v();function v(){h.read().then(({done:b,value:y})=>{if(b)m.close();else{_+=y.byteLength;const T=new ProgressEvent("progress",{lengthComputable:p,loaded:_,total:f});for(let S=0,R=u.length;S<R;S++){const x=u[S];x.onProgress&&x.onProgress(T)}m.enqueue(y),v()}},b=>{m.error(b)})}}});return new Response(g)}else throw new pE(`fetch for "${c.url}" responded with ${c.status}: ${c.statusText}`,c)}).then(c=>{switch(l){case"arraybuffer":return c.arrayBuffer();case"blob":return c.blob();case"document":return c.text().then(u=>new DOMParser().parseFromString(u,o));case"json":return c.json();default:if(o==="")return c.text();{const h=/charset="?([^;"\s]*)"?/i.exec(o),d=h&&h[1]?h[1].toLowerCase():void 0,f=new TextDecoder(d);return c.arrayBuffer().then(p=>f.decode(p))}}}).then(c=>{fi.add(`file:${e}`,c);const u=Ti[e];delete Ti[e];for(let h=0,d=u.length;h<d;h++){const f=u[h];f.onLoad&&f.onLoad(c)}}).catch(c=>{const u=Ti[e];if(u===void 0)throw this.manager.itemError(e),c;delete Ti[e];for(let h=0,d=u.length;h<d;h++){const f=u[h];f.onError&&f.onError(c)}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}abort(){return this._abortController.abort(),this._abortController=new AbortController,this}}class mE extends Rn{constructor(e){super(e)}load(e,t,n,r){const s=this,a=new Ni(this.manager);a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(e,function(o){try{t(s.parse(JSON.parse(o)))}catch(l){r?r(l):Oe(l),s.manager.itemError(e)}},n,r)}parse(e){const t=[];for(let n=0;n<e.length;n++){const r=ja.parse(e[n]);t.push(r)}return t}}class gE extends Rn{constructor(e){super(e)}load(e,t,n,r){const s=this,a=[],o=new Vc,l=new Ni(this.manager);l.setPath(this.path),l.setResponseType("arraybuffer"),l.setRequestHeader(this.requestHeader),l.setWithCredentials(s.withCredentials);let c=0;function u(h){l.load(e[h],function(d){const f=s.parse(d,!0);a[h]={width:f.width,height:f.height,format:f.format,mipmaps:f.mipmaps},c+=1,c===6&&(f.mipmapCount===1&&(o.minFilter=Lt),o.image=a,o.format=f.format,o.needsUpdate=!0,t&&t(o))},n,r)}if(Array.isArray(e))for(let h=0,d=e.length;h<d;++h)u(h);else l.load(e,function(h){const d=s.parse(h,!0);if(d.isCubemap){const f=d.mipmaps.length/d.mipmapCount;for(let p=0;p<f;p++){a[p]={mipmaps:[]};for(let _=0;_<d.mipmapCount;_++)a[p].mipmaps.push(d.mipmaps[p*d.mipmapCount+_]),a[p].format=d.format,a[p].width=d.width,a[p].height=d.height}o.image=a}else o.image.width=d.width,o.image.height=d.height,o.mipmaps=d.mipmaps;d.mipmapCount===1&&(o.minFilter=Lt),o.format=d.format,o.needsUpdate=!0,t&&t(o)},n,r);return o}}const os=new WeakMap;class Qa extends Rn{constructor(e){super(e)}load(e,t,n,r){this.path!==void 0&&(e=this.path+e),e=this.manager.resolveURL(e);const s=this,a=fi.get(`image:${e}`);if(a!==void 0){if(a.complete===!0)s.manager.itemStart(e),setTimeout(function(){t&&t(a),s.manager.itemEnd(e)},0);else{let h=os.get(a);h===void 0&&(h=[],os.set(a,h)),h.push({onLoad:t,onError:r})}return a}const o=Xa("img");function l(){u(),t&&t(this);const h=os.get(this)||[];for(let d=0;d<h.length;d++){const f=h[d];f.onLoad&&f.onLoad(this)}os.delete(this),s.manager.itemEnd(e)}function c(h){u(),r&&r(h),fi.remove(`image:${e}`);const d=os.get(this)||[];for(let f=0;f<d.length;f++){const p=d[f];p.onError&&p.onError(h)}os.delete(this),s.manager.itemError(e),s.manager.itemEnd(e)}function u(){o.removeEventListener("load",l,!1),o.removeEventListener("error",c,!1)}return o.addEventListener("load",l,!1),o.addEventListener("error",c,!1),e.slice(0,5)!=="data:"&&this.crossOrigin!==void 0&&(o.crossOrigin=this.crossOrigin),fi.add(`image:${e}`,o),s.manager.itemStart(e),o.src=e,o}}class _E extends Rn{constructor(e){super(e)}load(e,t,n,r){const s=new oo;

5s.colorSpace=Tn;const a=new Qa(this.manager);a.setCrossOrigin(this.crossOrigin),a.setPath(this.path);let o=0;function l(c){a.load(e[c],function(u){s.images[c]=u,o++,o===6&&(s.needsUpdate=!0,t&&t(s))},void 0,r)}for(let c=0;c<e.length;++c)l(c);return s}}class vE extends Rn{constructor(e){super(e)}load(e,t,n,r){const s=this,a=new ti,o=new Ni(this.manager);return o.setResponseType("arraybuffer"),o.setRequestHeader(this.requestHeader),o.setPath(this.path),o.setWithCredentials(s.withCredentials),o.load(e,function(l){let c;try{c=s.parse(l)}catch(u){r!==void 0?r(u):Oe(u);return}c.image!==void 0?a.image=c.image:c.data!==void 0&&(a.image.width=c.width,a.image.height=c.height,a.image.data=c.data),a.wrapS=c.wrapS!==void 0?c.wrapS:An,a.wrapT=c.wrapT!==void 0?c.wrapT:An,a.magFilter=c.magFilter!==void 0?c.magFilter:Lt,a.minFilter=c.minFilter!==void 0?c.minFilter:Lt,a.anisotropy=c.anisotropy!==void 0?c.anisotropy:1,c.colorSpace!==void 0&&(a.colorSpace=c.colorSpace),c.flipY!==void 0&&(a.flipY=c.flipY),c.format!==void 0&&(a.format=c.format),c.type!==void 0&&(a.type=c.type),c.mipmaps!==void 0&&(a.mipmaps=c.mipmaps,a.minFilter=di),c.mipmapCount===1&&(a.minFilter=Lt),c.generateMipmaps!==void 0&&(a.generateMipmaps=c.generateMipmaps),a.needsUpdate=!0,t&&t(a,c)},n,r),a}}class xE extends Rn{constructor(e){super(e)}load(e,t,n,r){const s=new Ft,a=new Qa(this.manager);return a.setCrossOrigin(this.crossOrigin),a.setPath(this.path),a.load(e,function(o){s.image=o,s.needsUpdate=!0,t!==void 0&&t(s)},n,r),s}}class sr extends pt{constructor(e,t=1){super(),this.isLight=!0,this.type="Light",this.color=new Ee(e),this.intensity=t}dispose(){this.dispatchEvent({type:"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,t}}class K_ extends sr{constructor(e,t,n){super(e,n),this.isHemisphereLight=!0,this.type="HemisphereLight",this.position.copy(pt.DEFAULT_UP),this.updateMatrix(),this.groundColor=new Ee(t)}copy(e,t){return super.copy(e,t),this.groundColor.copy(e.groundColor),this}toJSON(e){const t=super.toJSON(e);return t.object.groundColor=this.groundColor.getHex(),t}}const ku=new We,bp=new P,Sp=new P;class Bd{constructor(e){this.camera=e,this.intensity=1,this.bias=0,this.biasNode=null,this.normalBias=0,this.radius=1,this.blurSamples=8,this.mapSize=new j(512,512),this.mapType=wn,this.map=null,this.mapPass=null,this.matrix=new We,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new Ws,this._frameExtents=new j(1,1),this._viewportCount=1,this._viewports=[new Et(0,0,1,1)]}getViewportCount(){return this._viewportCount}getFrustum(){return this._frustum}updateMatrices(e){const t=this.camera,n=this.matrix;bp.setFromMatrixPosition(e.matrixWorld),t.position.copy(bp),Sp.setFromMatrixPosition(e.target.matrixWorld),t.lookAt(Sp),t.updateMatrixWorld(),ku.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),this._frustum.setFromProjectionMatrix(ku,t.coordinateSystem,t.reversedDepth),t.coordinateSystem===Ur||t.reversedDepth?n.set(.5,0,0,.5,0,.5,0,.5,0,0,1,0,0,0,0,1):n.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),n.multiply(ku)}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.intensity=e.intensity,this.bias=e.bias,this.radius=e.radius,this.autoUpdate=e.autoUpdate,this.needsUpdate=e.needsUpdate,this.normalBias=e.normalBias,this.blurSamples=e.blurSamples,this.mapSize.copy(e.mapSize),this.biasNode=e.biasNode,this}clone(){return new this.constructor().copy(this)}toJSON(){const e={};return this.intensity!==1&&(e.intensity=this.intensity),this.bias!==0&&(e.bias=this.bias),this.normalBias!==0&&(e.normalBias=this.normalBias),this.radius!==1&&(e.radius=this.radius),(this.mapSize.x!==512||this.mapSize.y!==512)&&(e.mapSize=this.mapSize.toArray()),e.camera=this.camera.toJSON(!1).object,delete e.camera.matrix,e}}const Jo=new P,jo=new tn,ui=new P;class eu extends pt{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new We,this.projectionMatrix=new We,this.projectionMatrixInverse=new We,this.coordinateSystem=Un,this._reversedDepth=!1}get reversedDepth(){return this._reversedDepth}copy(e,t){return super.copy(e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this.coordinateSystem=e.coordinateSystem,this}getWorldDirection(e){return super.getWorldDirection(e).negate()}updateMatrixWorld(e){super.updateMatrixWorld(e),this.matrixWorld.decompose(Jo,jo,ui),ui.x===1&&ui.y===1&&ui.z===1?this.matrixWorldInverse.copy(this.matrixWorld).invert():this.matrixWorldInverse.compose(Jo,jo,ui.set(1,1,1)).invert()}updateWorldMatrix(e,t){super.updateWorldMatrix(e,t),this.matrixWorld.decompose(Jo,jo,ui),ui.x===1&&ui.y===1&&ui.z===1?this.matrixWorldInverse.copy(this.matrixWorld).invert():this.matrixWorldInverse.compose(Jo,jo,ui.set(1,1,1)).invert()}clone(){return new this.constructor().copy(this)}}const Wi=new P,Mp=new j,Ep=new j;class Jt extends eu{constructor(e=50,t=1,n=.1,r=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=e,this.zoom=1,this.near=n,this.far=r,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=e.view===null?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this}setFocalLength(e){const t=.5*this.getFilmHeight()/e;this.fov=Ls*2*Math.atan(t),this.updateProjectionMatrix()}getFocalLength(){const e=Math.tan(Pr*.5*this.fov);return .5*this.getFilmHeight()/e}

5getEffectiveFOV(){return Ls*2*Math.atan(Math.tan(Pr*.5*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(e,t,n){Wi.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),t.set(Wi.x,Wi.y).multiplyScalar(-e/Wi.z),Wi.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),n.set(Wi.x,Wi.y).multiplyScalar(-e/Wi.z)}getViewSize(e,t){return this.getViewBounds(e,Mp,Ep),t.subVectors(Ep,Mp)}setViewOffset(e,t,n,r,s,a){this.aspect=e/t,this.view===null&&(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=r,this.view.width=s,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const e=this.near;let t=e*Math.tan(Pr*.5*this.fov)/this.zoom,n=2*t,r=this.aspect*n,s=-.5*r;const a=this.view;if(this.view!==null&&this.view.enabled){const l=a.fullWidth,c=a.fullHeight;s+=a.offsetX*r/l,t-=a.offsetY*n/c,r*=a.width/l,n*=a.height/c}const o=this.filmOffset;o!==0&&(s+=e*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(s,s+r,t,t-n,e,this.far,this.coordinateSystem,this.reversedDepth),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,this.view!==null&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}}class yE extends Bd{constructor(){super(new Jt(50,1,.5,500)),this.isSpotLightShadow=!0,this.focus=1,this.aspect=1}updateMatrices(e){const t=this.camera,n=Ls*2*e.angle*this.focus,r=this.mapSize.width/this.mapSize.height*this.aspect,s=e.distance||t.far;(n!==t.fov||r!==t.aspect||s!==t.far)&&(t.fov=n,t.aspect=r,t.far=s,t.updateProjectionMatrix()),super.updateMatrices(e)}copy(e){return super.copy(e),this.focus=e.focus,this}}class J_ extends sr{constructor(e,t,n=0,r=Math.PI/3,s=0,a=2){super(e,t),this.isSpotLight=!0,this.type="SpotLight",this.position.copy(pt.DEFAULT_UP),this.updateMatrix(),this.target=new pt,this.distance=n,this.angle=r,this.penumbra=s,this.decay=a,this.map=null,this.shadow=new yE}get power(){return this.intensity*Math.PI}set power(e){this.intensity=e/Math.PI}dispose(){super.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.map=e.map,this.shadow=e.shadow.clone(),this}toJSON(e){const t=super.toJSON(e);return t.object.distance=this.distance,t.object.angle=this.angle,t.object.decay=this.decay,t.object.penumbra=this.penumbra,t.object.target=this.target.uuid,this.map&&this.map.isTexture&&(t.object.map=this.map.toJSON(e).uuid),t.object.shadow=this.shadow.toJSON(),t}}class bE extends Bd{constructor(){super(new Jt(90,1,.5,500)),this.isPointLightShadow=!0}}class j_ extends sr{constructor(e,t,n=0,r=2){super(e,t),this.isPointLight=!0,this.type="PointLight",this.distance=n,this.decay=r,this.shadow=new bE}get power(){return this.intensity*4*Math.PI}set power(e){this.intensity=e/(4*Math.PI)}dispose(){super.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}toJSON(e){const t=super.toJSON(e);return t.object.distance=this.distance,t.object.decay=this.decay,t.object.shadow=this.shadow.toJSON(),t}}class fo extends eu{constructor(e=-1,t=1,n=1,r=-1,s=.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=r,this.near=s,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=e.view===null?null:Object.assign({},e.view),this}setViewOffset(e,t,n,r,s,a){this.view===null&&(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=r,this.view.width=s,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(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,r=(this.top+this.bottom)/2;let s=n-e,a=n+e,o=r+t,l=r-t;if(this.view!==null&&this.view.enabled){const c=(this.right-this.left)/this.view.fullWidth/this.zoom,u=(this.top-this.bottom)/this.view.fullHeight/this.zoom;s+=c*this.view.offsetX,a=s+c*this.view.width,o-=u*this.view.offsetY,l=o-u*this.view.height}

5this.projectionMatrix.makeOrthographic(s,a,o,l,this.near,this.far,this.coordinateSystem,this.reversedDepth),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,this.view!==null&&(t.object.view=Object.assign({},this.view)),t}}class SE extends Bd{constructor(){super(new fo(-5,5,5,-5,.5,500)),this.isDirectionalLightShadow=!0}}class Q_ extends sr{constructor(e,t){super(e,t),this.isDirectionalLight=!0,this.type="DirectionalLight",this.position.copy(pt.DEFAULT_UP),this.updateMatrix(),this.target=new pt,this.shadow=new SE}dispose(){super.dispose(),this.shadow.dispose()}copy(e){return super.copy(e),this.target=e.target.clone(),this.shadow=e.shadow.clone(),this}toJSON(e){const t=super.toJSON(e);return t.object.shadow=this.shadow.toJSON(),t.object.target=this.target.uuid,t}}class e0 extends sr{constructor(e,t){super(e,t),this.isAmbientLight=!0,this.type="AmbientLight"}}class t0 extends sr{constructor(e,t,n=10,r=10){super(e,t),this.isRectAreaLight=!0,this.type="RectAreaLight",this.width=n,this.height=r}get power(){return this.intensity*this.width*this.height*Math.PI}set power(e){this.intensity=e/(this.width*this.height*Math.PI)}copy(e){return super.copy(e),this.width=e.width,this.height=e.height,this}toJSON(e){const t=super.toJSON(e);return t.object.width=this.width,t.object.height=this.height,t}}class kd{constructor(){this.isSphericalHarmonics3=!0,this.coefficients=[];for(let e=0;e<9;e++)this.coefficients.push(new P)}set(e){for(let t=0;t<9;t++)this.coefficients[t].copy(e[t]);return this}zero(){for(let e=0;e<9;e++)this.coefficients[e].set(0,0,0);return this}getAt(e,t){const n=e.x,r=e.y,s=e.z,a=this.coefficients;return t.copy(a[0]).multiplyScalar(.282095),t.addScaledVector(a[1],.488603*r),t.addScaledVector(a[2],.488603*s),t.addScaledVector(a[3],.488603*n),t.addScaledVector(a[4],1.092548*(n*r)),t.addScaledVector(a[5],1.092548*(r*s)),t.addScaledVector(a[6],.315392*(3*s*s-1)),t.addScaledVector(a[7],1.092548*(n*s)),t.addScaledVector(a[8],.546274*(n*n-r*r)),t}getIrradianceAt(e,t){const n=e.x,r=e.y,s=e.z,a=this.coefficients;return t.copy(a[0]).multiplyScalar(.886227),t.addScaledVector(a[1],2*.511664*r),t.addScaledVector(a[2],2*.511664*s),t.addScaledVector(a[3],2*.511664*n),t.addScaledVector(a[4],2*.429043*n*r),t.addScaledVector(a[5],2*.429043*r*s),t.addScaledVector(a[6],.743125*s*s-.247708),t.addScaledVector(a[7],2*.429043*n*s),t.addScaledVector(a[8],.429043*(n*n-r*r)),t}add(e){for(let t=0;t<9;t++)this.coefficients[t].add(e.coefficients[t]);return this}addScaledSH(e,t){for(let n=0;n<9;n++)this.coefficients[n].addScaledVector(e.coefficients[n],t);return this}scale(e){for(let t=0;t<9;t++)this.coefficients[t].multiplyScalar(e);return this}lerp(e,t){for(let n=0;n<9;n++)this.coefficients[n].lerp(e.coefficients[n],t);return this}equals(e){for(let t=0;t<9;t++)if(!this.coefficients[t].equals(e.coefficients[t]))return!1;return!0}copy(e){return this.set(e.coefficients)}clone(){return new this.constructor().copy(this)}fromArray(e,t=0){const n=this.coefficients;for(let r=0;r<9;r++)n[r].fromArray(e,t+r*3);return this}toArray(e=[],t=0){const n=this.coefficients;for(let r=0;r<9;r++)n[r].toArray(e,t+r*3);return e}static getBasisAt(e,t){const n=e.x,r=e.y,s=e.z;t[0]=.282095,t[1]=.488603*r,t[2]=.488603*s,t[3]=.488603*n,t[4]=1.092548*n*r,t[5]=1.092548*r*s,t[6]=.315392*(3*s*s-1),t[7]=1.092548*n*s,t[8]=.546274*(n*n-r*r)}}class n0 extends sr{constructor(e=new kd,t=1){super(void 0,t),this.isLightProbe=!0,this.sh=e}copy(e){return super.copy(e),this.sh.copy(e.sh),this}toJSON(e){const t=super.toJSON(e);return t.object.sh=this.sh.toArray(),t}}class tu extends Rn{constructor(e){super(e),this.textures={}}load(e,t,n,r){const s=this,a=new Ni(s.manager);a.setPath(s.path),a.setRequestHeader(s.requestHeader),a.setWithCredentials(s.withCredentials),a.load(e,function(o){try{t(s.parse(JSON.parse(o)))}catch(l){r?r(l):Oe(l),s.manager.itemError(e)}},n,r)}parse(e){const t=this.textures;function n(s){return t[s]===void 0&&_e("MaterialLoader: Undefined texture",s),t[s]}const r=this.createMaterialFromType(e.type);if(e.uuid!==void 0&&(r.uuid=e.uuid),e.name!==void 0&&(r.name=e.name),e.color!==void 0&&r.color!==void 0&&r.color.setHex(e.color),e.roughness!==void 0&&(r.roughness=e.roughness),e.metalness!==void 0&&(r.metalness=e.metalness),e.sheen!==void 0&&(r.sheen=e.sheen),e.sheenColor!==void 0&&(r.sheenColor=new Ee().setHex(e.sheenColor)),e.sheenRoughness!==void 0&&(r.sheenRoughness=e.sheenRoughness),e.emissive!==void 0&&r.emissive!==void 0&&r.emissive.setHex(e.emissive),e.specular!==void 0&&r.specular!==void 0&&r.specular.setHex(e.specular),e.specularIntensity!==void 0&&(r.specularIntensity=e.specularIntensity),e.specularColor!==void 0&&r.specularColor!==void 0&&r.specularColor.setHex(e.specularColor),e.shininess!==void 0&&(r.shininess=e.shininess),e.clearcoat!==void 0&&(r.clearcoat=e.clearcoat),e.clearcoatRoughness!==void 0&&(r.clearcoatRoughness=e.clearcoatRoughness),e.dispersion!==void 0&&(r.dispersion=e.dispersion),e.iridescence!==void 0&&(r.iridescence=e.iridescence),e.iridescenceIOR!==void 0&&(r.iridescenceIOR=e.iridescenceIOR),e.iridescenceThicknessRange!==void 0&&(r.iridescenceThicknessRange=e.iridescenceThicknessRange),e.transmission!==void 0&&(r.transmission=e.transmission),e.thickness!==void 0&&(r.thickness=e.thickness),e.attenuationDistance!==void 0&&(r.attenuationDistance=e.attenuationDistance),e.attenuationColor!==void 0&&r.attenuationColor!==void 0&&r.attenuationColor.setHex(e.attenuationColor),e.anisotropy!==void 0&&(r.anisotropy=e.anisotropy),e.anisotropyRotation!==void 0&&(r.anisotropyRotation=e.anisotropyRotation),e.fog!==void 0&&(r.fog=e.fog),e.flatShading!==void 0&&(r.flatShading=e.flatShading),e.blending!==void 0&&(r.blending=e.blending),e.combine!==void 0&&(r.combine=e.combine),e.side!==void 0&&(r.side=e.side),e.shadowSide!==void 0&&(r.shadowSide=e.shadowSide),e.opacity!==void 0&&(r.opacity=e.opacity),e.transparent!==void 0&&(r.transparent=e.transparent),e.alphaTest!==void 0&&(r.alphaTest=e.alphaTest),e.alphaHash!==void 0&&(r.alphaHash=e.alphaHash),e.depthFunc!==void 0&&(r.depthFunc=e.depthFunc),e.depthTest!==void 0&&(r.depthTest=e.depthTest),e.depthWrite!==void 0&&(r.depthWrite=e.depthWrite),e.colorWrite!==void 0&&(r.colorWrite=e.colorWrite),e.blendSrc!==void 0&&(r.blendSrc=e.blendSrc),e.blendDst!==void 0&&(r.blendDst=e.blendDst),e.blendEquation!==void 0&&(r.blendEquation=e.blendEquation),e.blendSrcAlpha!==void 0&&(r.blendSrcAlpha=e.blendSrcAlpha),e.blendDstAlpha!==void 0&&(r.blendDstAlpha=e.blendDstAlpha),e.blendEquationAlpha!==void 0&&(r.blendEquationAlpha=e.blendEquationAlpha),e.blendColor!==void 0&&r.blendColor!==void 0&&r.blendColor.setHex(e.blendColor),e.blendAlpha!==void 0&&(r.blendAlpha=e.blendAlpha),e.stencilWriteMask!==void 0&&(r.stencilWriteMask=e.stencilWriteMask),e.stencilFunc!==void 0&&(r.stencilFunc=e.stencilFunc),e.stencilRef!==void 0&&(r.stencilRef=e.stencilRef),e.stencilFuncMask!==void 0&&(r.stencilFuncMask=e.stencilFuncMask),e.stencilFail!==void 0&&(r.stencilFail=e.stencilFail),e.stencilZFail!==void 0&&(r.stencilZFail=e.stencilZFail),e.stencilZPass!==void 0&&(r.stencilZPass=e.stencilZPass),e.stencilWrite!==void 0&&(r.stencilWrite=e.stencilWrite),e.wireframe!==void 0&&(r.wireframe=e.wireframe),e.wireframeLinewidth!==void 0&&(r.wireframeLinewidth=e.wireframeLinewidth),e.wireframeLinecap!==void 0&&(r.wireframeLinecap=e.wireframeLinecap),e.wireframeLinejoin!==void 0&&(r.wireframeLinejoin=e.wireframeLinejoin),e.rotation!==void 0&&(r.rotation=e.rotation),e.linewidth!==void 0&&(r.linewidth=e.linewidth),e.dashSize!==void 0&&(r.dashSize=e.dashSize),e.gapSize!==void 0&&(r.gapSize=e.gapSize),e.scale!==void 0&&(r.scale=e.scale),e.polygonOffset!==void 0&&(r.polygonOffset=e.polygonOffset),e.polygonOffsetFactor!==void 0&&(r.polygonOffsetFactor=e.polygonOffsetFactor),e.polygonOffsetUnits!==void 0&&(r.polygonOffsetUnits=e.polygonOffsetUnits),e.dithering!==void 0&&(r.dithering=e.dithering),e.alphaToCoverage!==void 0&&(r.alphaToCoverage=e.alphaToCoverage),e.premultipliedAlpha!==void 0&&(r.premultipliedAlpha=e.premultipliedAlpha),e.forceSinglePass!==void 0&&(r.forceSinglePass=e.forceSinglePass),e.allowOverride!==void 0&&(r.allowOverride=e.allowOverride),e.visible!==void 0&&(r.visible=e.visible),e.toneMapped!==void 0&&(r.toneMapped=e.toneMapped),e.userData!==void 0&&(r.userData=e.userData),e.vertexColors!==void 0&&(typeof e.vertexColors=="number"?r.vertexColors=e.vertexColors>0:r.vertexColors=e.vertexColors),e.uniforms!==void 0)for(const s in e.uniforms){const a=e.uniforms[s];switch(r.uniforms[s]={},a.type){case"t":r.uniforms[s].value=n(a.value);break;case"c":r.uniforms[s].value=new Ee().setHex(a.value);break;case"v2":r.uniforms[s].value=new j().fromArray(a.value);break;case"v3":r.uniforms[s].value=new P().fromArray(a.value);break;case"v4":r.uniforms[s].value=new Et().fromArray(a.value);break;case"m3":r.uniforms[s].value=new tt().fromArray(a.value);break;case"m4":r.uniforms[s].value=new We().fromArray(a.value);break;default:r.uniforms[s].value=a.value}}if(e.defines!==void 0&&(r.defines=e.defines),e.vertexShader!==void 0&&(r.vertexShader=e.vertexShader),e.fragmentShader!==void 0&&(r.fragmentShader=e.fragmentShader),e.glslVersion!==void 0&&(r.glslVersion=e.glslVersion),e.extensions!==void 0)for(const s in e.extensions)r.extensions[s]=e.extensions[s];if(e.lights!==void 0&&(r.lights=e.lights),e.clipping!==void 0&&(r.clipping=e.clipping),e.size!==void 0&&(r.size=e.size),e.sizeAttenuation!==void 0&&(r.sizeAttenuation=e.sizeAttenuation),e.map!==void 0&&(r.map=n(e.map)),e.matcap!==void 0&&(r.matcap=n(e.matcap)),e.alphaMap!==void 0&&(r.alphaMap=n(e.alphaMap)),e.bumpMap!==void 0&&(r.bumpMap=n(e.bumpMap)),e.bumpScale!==void 0&&(r.bumpScale=e.bumpScale),e.normalMap!==void 0&&(r.normalMap=n(e.normalMap)),e.normalMapType!==void 0&&(r.normalMapType=e.normalMapType),e.normalScale!==void 0){let s=e.normalScale;Array.isArray(s)===!1&&(s=[s,s]),r.normalScale=new j().fromArray(s)}return e.displacementMap!==void 0&&(r.displacementMap=n(e.displacementMap)),e.displacementScale!==void 0&&(r.displacementScale=e.displacementScale),e.displacementBias!==void 0&&(r.displacementBias=e.displacementBias),e.roughnessMap!==void 0&&(r.roughnessMap=n(e.roughnessMap)),e.metalnessMap!==void 0&&(r.metalnessMap=n(e.metalnessMap)),e.emissiveMap!==void 0&&(r.emissiveMap=n(e.emissiveMap)),e.emissiveIntensity!==void 0&&(r.emissiveIntensity=e.emissiveIntensity),e.specularMap!==void 0&&(r.specularMap=n(e.specularMap)),e.specularIntensityMap!==void 0&&(r.specularIntensityMap=n(e.specularIntensityMap)),e.specularColorMap!==void 0&&(r.specularColorMap=n(e.specularColorMap)),e.envMap!==void 0&&(r.envMap=n(e.envMap)),e.envMapRotation!==void 0&&r.envMapRotation.fromArray(e.envMapRotation),e.envMapIntensity!==void 0&&(r.envMapIntensity=e.envMapIntensity),e.reflectivity!==void 0&&(r.reflectivity=e.reflectivity),e.refractionRatio!==void 0&&(r.refractionRatio=e.refractionRatio),e.lightMap!==void 0&&(r.lightMap=n(e.lightMap)),e.lightMapIntensity!==void 0&&(r.lightMapIntensity=e.lightMapIntensity),e.aoMap!==void 0&&(r.aoMap=n(e.aoMap)),e.aoMapIntensity!==void 0&&(r.aoMapIntensity=e.aoMapIntensity),e.gradientMap!==void 0&&(r.gradientMap=n(e.gradientMap)),e.clearcoatMap!==void 0&&(r.clearcoatMap=n(e.clearcoatMap)),e.clearcoatRoughnessMap!==void 0&&(r.clearcoatRoughnessMap=n(e.clearcoatRoughnessMap)),e.clearcoatNormalMap!==void 0&&(r.clearcoatNormalMap=n(e.clearcoatNormalMap)),e.clearcoatNormalScale!==void 0&&(r.clearcoatNormalScale=new j().fromArray(e.clearcoatNormalScale)),e.iridescenceMap!==void 0&&(r.iridescenceMap=n(e.iridescenceMap)),e.iridescenceThicknessMap!==void 0&&(r.iridescenceThicknessMap=n(e.iridescenceThicknessMap)),e.transmissionMap!==void 0&&(r.transmissionMap=n(e.transmissionMap)),e.thicknessMap!==void 0&&(r.thicknessMap=n(e.thicknessMap)),e.anisotropyMap!==void 0&&(r.anisotropyMap=n(e.anisotropyMap)),e.sheenColorMap!==void 0&&(r.sheenColorMap=n(e.sheenColorMap)),e.sheenRoughnessMap!==void 0&&(r.sheenRoughnessMap=n(e.sheenRoughnessMap)),r}setTextures(e){return this.textures=e,this}createMaterialFromType(e){return tu.createMaterialFromType(e)}static createMaterialFromType(e){const t={ShadowMaterial:D_,SpriteMaterial:yd,RawShaderMaterial:Id,ShaderMaterial:Cn,PointsMaterial:Sd,MeshPhysicalMaterial:F_,MeshStandardMaterial:Pd,MeshPhongMaterial:B_,MeshToonMaterial:k_,MeshNormalMaterial:V_,MeshLambertMaterial:z_,MeshDepthMaterial:Ld,MeshDistanceMaterial:Nd,MeshBasicMaterial:Oi,MeshMatcapMaterial:H_,LineDashedMaterial:G_,LineBasicMaterial:bn,Material:rn};return new t[e]}}class Eh{static extractUrlBase(e){const t=e.lastIndexOf("/");return t===-1?"./":e.slice(0,t+1)}static resolveURL(e,t){return typeof e!="string"||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 i0 extends et{constructor(){super(),this.isInstancedBufferGeometry=!0,this.type="InstancedBufferGeometry",this.instanceCount=1/0}copy(e){return super.copy(e),this.instanceCount=e.instanceCount,this}toJSON(){const e=super.toJSON();return e.instanceCount=this.instanceCount,e.isInstancedBufferGeometry=!0,e}}class r0 extends Rn{constructor(e){super(e)}load(e,t,n,r){const s=this,a=new Ni(s.manager);a.setPath(s.path),a.setRequestHeader(s.requestHeader),a.setWithCredentials(s.withCredentials),a.load(e,function(o){try{t(s.parse(JSON.parse(o)))}catch(l){r?r(l):Oe(l),s.manager.itemError(e)}},n,r)}parse(e){const t={},n={};function r(f,p){if(t[p]!==void 0)return t[p];const g=f.interleavedBuffers[p],m=s(f,g.buffer),v=gs(g.type,m),b=new Fc(v,g.stride);return b.uuid=g.uuid,t[p]=b,b}function s(f,p){if(n[p]!==void 0)return n[p];const g=f.arrayBuffers[p],m=new Uint32Array(g).buffer;return n[p]=m,m}const a=e.isInstancedBufferGeometry?new i0:new et,o=e.data.index;if(o!==void 0){const f=gs(o.type,o.array);a.setIndex(new ut(f,1))}const l=e.data.attributes;for(const f in l){const p=l[f];let _;if(p.isInterleavedBufferAttribute){const g=r(e.data,p.data);_=new Fr(g,p.itemSize,p.offset,p.normalized)}else{const g=gs(p.type,p.array),m=p.isInstancedBufferAttribute?Ns:ut;_=new m(g,p.itemSize,p.normalized)}p.name!==void 0&&(_.name=p.name),p.usage!==void 0&&_.setUsage(p.usage),a.setAttribute(f,_)}const c=e.data.morphAttributes;if(c)for(const f in c){const p=c[f],_=[];for(let g=0,m=p.length;g<m;g++){const v=p[g];let b;if(v.isInterleavedBufferAttribute){const y=r(e.data,v.data);b=new Fr(y,v.itemSize,v.offset,v.normalized)}else{const y=gs(v.type,v.array);b=new ut(y,v.itemSize,v.normalized)}v.name!==void 0&&(b.name=v.name),_.push(b)}a.morphAttributes[f]=_}e.data.morphTargetsRelative&&(a.morphTargetsRelative=!0);const h=e.data.groups||e.data.drawcalls||e.data.offsets;if(h!==void 0)for(let f=0,p=h.length;f!==p;++f){const _=h[f];a.addGroup(_.start,_.count,_.materialIndex)}const d=e.data.boundingSphere;return d!==void 0&&(a.boundingSphere=new nn().fromJSON(d)),e.name&&(a.name=e.name),e.userData&&(a.userData=e.userData),a}}const Vu={};class ME extends Rn{constructor(e){super(e)}load(e,t,n,r){const s=this,a=this.path===""?Eh.extractUrlBase(e):this.path;this.resourcePath=this.resourcePath||a;const o=new Ni(this.manager);o.setPath(this.path),o.setRequestHeader(this.requestHeader),o.setWithCredentials(this.withCredentials),o.load(e,function(l){let c=null;try{c=JSON.parse(l)}catch(h){r!==void 0&&r(h),Oe("ObjectLoader: Can't parse "+e+".",h.message);return}const u=c.metadata;if(u===void 0||u.type===void 0||u.type.toLowerCase()==="geometry"){r!==void 0&&r(new Error("THREE.ObjectLoader: Can't load "+e)),Oe("ObjectLoader: Can't load "+e);return}s.parse(c,t)},n,r)}async loadAsync(e,t){const n=this,r=this.path===""?Eh.extractUrlBase(e):this.path;this.resourcePath=this.resourcePath||r;const s=new Ni(this.manager);s.setPath(this.path),s.setRequestHeader(this.requestHeader),s.setWithCredentials(this.withCredentials);const a=await s.loadAsync(e,t);let o;try{o=JSON.parse(a)}catch(c){throw new Error("ObjectLoader: Can't parse "+e+". "+c.message)}const l=o.metadata;if(l===void 0||l.type===void 0||l.type.toLowerCase()==="geometry")throw new Error("THREE.ObjectLoader: Can't load "+e);return await n.parseAsync(o)}parse(e,t){const n=this.parseAnimations(e.animations),r=this.parseShapes(e.shapes),s=this.parseGeometries(e.geometries,r),a=this.parseImages(e.images,function(){t!==void 0&&t(c)}),o=this.parseTextures(e.textures,a),l=this.parseMaterials(e.materials,o),c=this.parseObject(e.object,s,l,o,n),u=this.parseSkeletons(e.skeletons,c);if(this.bindSkeletons(c,u),this.bindLightTargets(c),t!==void 0){let h=!1;for(const d in a)if(a[d].data instanceof HTMLImageElement){h=!0;break}h===!1&&t(c)}return c}async parseAsync(e){const t=this.parseAnimations(e.animations),n=this.parseShapes(e.shapes),r=this.parseGeometries(e.geometries,n),s=await this.parseImagesAsync(e.images),a=this.parseTextures(e.textures,s),o=this.parseMaterials(e.materials,a),l=this.parseObject(e.object,r,o,a,t),c=this.parseSkeletons(e.skeletons,l);return this.bindSkeletons(l,c),this.bindLightTargets(l),l}static registerGeometry(e,t){Vu[e]=t}parseShapes(e){const t={};if(e!==void 0)for(let n=0,r=e.length;n<r;n++){const s=new Lr().fromJSON(e[n]);t[s.uuid]=s}return t}parseSkeletons(e,t){const n={},r={};if(t.traverse(function(s){s.isBone&&(r[s.uuid]=s)}),e!==void 0)for(let s=0,a=e.length;s<a;s++){const o=new Bc().fromJSON(e[s],r);n[o.uuid]=o}return n}parseGeometries(e,t){const n={};if(e!==void 0){const r=new r0;for(let s=0,a=e.length;s<a;s++){let o;const l=e[s];switch(l.type){case"BufferGeometry":case"InstancedBufferGeometry":o=r.parse(l);break;default:l.type in vp?o=vp[l.type].fromJSON(l,t):l.type in Vu?o=Vu[l.type].fromJSON(l,t):_e(`ObjectLoader: Unknown geometry type "${l.type}". Use .registerGeometry() before starting the deserialization process.`)}o.uuid=l.uuid,l.name!==void 0&&(o.name=l.name),l.userData!==void 0&&(o.userData=l.userData),n[l.uuid]=o}}return n}parseMaterials(e,t){const n={},r={};if(e!==void 0){const s=new tu;s.setTextures(t);for(let a=0,o=e.length;a<o;a++){const l=e[a];n[l.uuid]===void 0&&(n[l.uuid]=s.parse(l)),r[l.uuid]=n[l.uuid]}}return r}parseAnimations(e){const t={};if(e!==void 0)for(let n=0;n<e.length;n++){const r=e[n],s=ja.parse(r);t[s.uuid]=s}return t}parseImages(e,t){const n=this,r={};let s;function a(l){return n.manager.itemStart(l),s.load(l,function(){n.manager.itemEnd(l)},void 0,function(){n.manager.itemError(l),n.manager.itemEnd(l)})}function o(l){if(typeof l=="string"){const c=l,u=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(c)?c:n.resourcePath+c;return a(u)}else return l.data?{data:gs(l.type,l.data),width:l.width,height:l.height}:null}if(e!==void 0&&e.length>0){const l=new Fd(t);s=new Qa(l),s.setCrossOrigin(this.crossOrigin);for(let c=0,u=e.length;c<u;c++){const h=e[c],d=h.url;if(Array.isArray(d)){const f=[];for(let p=0,_=d.length;p<_;p++){const g=d[p],m=o(g);m!==null&&(m instanceof HTMLImageElement?f.push(m):f.push(new ti(m.data,m.width,m.height)))}r[h.uuid]=new Yi(f)}else{const f=o(h.url);r[h.uuid]=new Yi(f)}}}return r}async parseImagesAsync(e){const t=this,n={};let r;

5async function s(a){if(typeof a=="string"){const o=a,l=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(o)?o:t.resourcePath+o;return await r.loadAsync(l)}else return a.data?{data:gs(a.type,a.data),width:a.width,height:a.height}:null}if(e!==void 0&&e.length>0){r=new Qa(this.manager),r.setCrossOrigin(this.crossOrigin);for(let a=0,o=e.length;a<o;a++){const l=e[a],c=l.url;if(Array.isArray(c)){const u=[];for(let h=0,d=c.length;h<d;h++){const f=c[h],p=await s(f);p!==null&&(p instanceof HTMLImageElement?u.push(p):u.push(new ti(p.data,p.width,p.height)))}n[l.uuid]=new Yi(u)}else{const u=await s(l.url);n[l.uuid]=new Yi(u)}}}return n}parseTextures(e,t){function n(s,a){return typeof s=="number"?s:(_e("ObjectLoader.parseTexture: Constant should be in numeric form.",s),a[s])}const r={};if(e!==void 0)for(let s=0,a=e.length;s<a;s++){const o=e[s];o.image===void 0&&_e('ObjectLoader: No "image" specified for',o.uuid),t[o.image]===void 0&&_e("ObjectLoader: Undefined image",o.image);const l=t[o.image],c=l.data;let u;Array.isArray(c)?(u=new oo,c.length===6&&(u.needsUpdate=!0)):(c&&c.data?u=new ti:u=new Ft,c&&(u.needsUpdate=!0)),u.source=l,u.uuid=o.uuid,o.name!==void 0&&(u.name=o.name),o.mapping!==void 0&&(u.mapping=n(o.mapping,EE)),o.channel!==void 0&&(u.channel=o.channel),o.offset!==void 0&&u.offset.fromArray(o.offset),o.repeat!==void 0&&u.repeat.fromArray(o.repeat),o.center!==void 0&&u.center.fromArray(o.center),o.rotation!==void 0&&(u.rotation=o.rotation),o.wrap!==void 0&&(u.wrapS=n(o.wrap[0],Tp),u.wrapT=n(o.wrap[1],Tp)),o.format!==void 0&&(u.format=o.format),o.internalFormat!==void 0&&(u.internalFormat=o.internalFormat),o.type!==void 0&&(u.type=o.type),o.colorSpace!==void 0&&(u.colorSpace=o.colorSpace),o.minFilter!==void 0&&(u.minFilter=n(o.minFilter,wp)),o.magFilter!==void 0&&(u.magFilter=n(o.magFilter,wp)),o.anisotropy!==void 0&&(u.anisotropy=o.anisotropy),o.flipY!==void 0&&(u.flipY=o.flipY),o.generateMipmaps!==void 0&&(u.generateMipmaps=o.generateMipmaps),o.premultiplyAlpha!==void 0&&(u.premultiplyAlpha=o.premultiplyAlpha),o.unpackAlignment!==void 0&&(u.unpackAlignment=o.unpackAlignment),o.compareFunction!==void 0&&(u.compareFunction=o.compareFunction),o.normalized!==void 0&&(u.normalized=o.normalized),o.userData!==void 0&&(u.userData=o.userData),r[o.uuid]=u}return r}parseObject(e,t,n,r,s){let a;function o(d){return t[d]===void 0&&_e("ObjectLoader: Undefined geometry",d),t[d]}function l(d){if(d!==void 0){if(Array.isArray(d)){const f=[];for(let p=0,_=d.length;p<_;p++){const g=d[p];n[g]===void 0&&_e("ObjectLoader: Undefined material",g),f.push(n[g])}return f}return n[d]===void 0&&_e("ObjectLoader: Undefined material",d),n[d]}}function c(d){return r[d]===void 0&&_e("ObjectLoader: Undefined texture",d),r[d]}let u,h;switch(e.type){case"Scene":a=new Uc,e.background!==void 0&&(Number.isInteger(e.background)?a.background=new Ee(e.background):a.background=c(e.background)),e.environment!==void 0&&(a.environment=c(e.environment)),e.fog!==void 0&&(e.fog.type==="Fog"?a.fog=new Oc(e.fog.color,e.fog.near,e.fog.far):e.fog.type==="FogExp2"&&(a.fog=new Dc(e.fog.color,e.fog.density)),e.fog.name!==""&&(a.fog.name=e.fog.name)),e.backgroundBlurriness!==void 0&&(a.backgroundBlurriness=e.backgroundBlurriness),e.backgroundIntensity!==void 0&&(a.backgroundIntensity=e.backgroundIntensity),e.backgroundRotation!==void 0&&a.backgroundRotation.fromArray(e.backgroundRotation),e.environmentIntensity!==void 0&&(a.environmentIntensity=e.environmentIntensity),e.environmentRotation!==void 0&&a.environmentRotation.fromArray(e.environmentRotation);break;case"PerspectiveCamera":a=new Jt(e.fov,e.aspect,e.near,e.far),e.focus!==void 0&&(a.focus=e.focus),e.zoom!==void 0&&(a.zoom=e.zoom),e.filmGauge!==void 0&&(a.filmGauge=e.filmGauge),e.filmOffset!==void 0&&(a.filmOffset=e.filmOffset),e.view!==void 0&&(a.view=Object.assign({},e.view));break;case"OrthographicCamera":a=new fo(e.left,e.right,e.top,e.bottom,e.near,e.far),e.zoom!==void 0&&(a.zoom=e.zoom),e.view!==void 0&&(a.view=Object.assign({},e.view));break;case"AmbientLight":a=new e0(e.color,e.intensity);break;case"DirectionalLight":a=new Q_(e.color,e.intensity),a.target=e.target||"";break;case"PointLight":a=new j_(e.color,e.intensity,e.distance,e.decay);break;case"RectAreaLight":a=new t0(e.color,e.intensity,e.width,e.height);break;case"SpotLight":a=new J_(e.color,e.intensity,e.distance,e.angle,e.penumbra,e.decay),a.target=e.target||"";break;case"HemisphereLight":a=new K_(e.color,e.groundColor,e.intensity);break;case"LightProbe":const d=new kd().fromArray(e.sh);a=new n0(d,e.intensity);break;case"SkinnedMesh":u=o(e.geometry),h=l(e.material),a=new __(u,h),e.bindMode!==void 0&&(a.bindMode=e.bindMode),e.bindMatrix!==void 0&&a.bindMatrix.fromArray(e.bindMatrix),e.skeleton!==void 0&&(a.skeleton=e.skeleton);break;case"Mesh":u=o(e.geometry),h=l(e.material),a=new Dt(u,h);break;case"InstancedMesh":u=o(e.geometry),h=l(e.material);const f=e.count,p=e.instanceMatrix,_=e.instanceColor;a=new v_(u,h,f),a.instanceMatrix=new Ns(new Float32Array(p.array),16),_!==void 0&&(a.instanceColor=new Ns(new Float32Array(_.array),_.itemSize));break;case"BatchedMesh":u=o(e.geometry),h=l(e.material),a=new x_(e.maxInstanceCount,e.maxVertexCount,e.maxIndexCount,h),a.geometry=u,a.perObjectFrustumCulled=e.perObjectFrustumCulled,a.sortObjects=e.sortObjects,a._drawRanges=e.drawRanges,a._reservedRanges=e.reservedRanges,a._geometryInfo=e.geometryInfo.map(g=>{let m=null,v=null;return g.boundingBox!==void 0&&(m=new hn().fromJSON(g.boundingBox)),g.boundingSphere!==void 0&&(v=new nn().fromJSON(g.boundingSphere)),{...g,boundingBox:m,boundingSphere:v}}),a._instanceInfo=e.instanceInfo,a._availableInstanceIds=e._availableInstanceIds,a._availableGeometryIds=e._availableGeometryIds,a._nextIndexStart=e.nextIndexStart,a._nextVertexStart=e.nextVertexStart,a._geometryCount=e.geometryCount,a._maxInstanceCount=e.maxInstanceCount,a._maxVertexCount=e.maxVertexCount,a._maxIndexCount=e.maxIndexCount,a._geometryInitialized=e.geometryInitialized,a._matricesTexture=c(e.matricesTexture.uuid),a._indirectTexture=c(e.indirectTexture.uuid),e.colorsTexture!==void 0&&(a._colorsTexture=c(e.colorsTexture.uuid)),e.boundingSphere!==void 0&&(a.boundingSphere=new nn().fromJSON(e.boundingSphere)),e.boundingBox!==void 0&&(a.boundingBox=new hn().fromJSON(e.boundingBox));break;case"LOD":a=new g_;break;case"Line":a=new ir(o(e.geometry),l(e.material));break;case"LineLoop":a=new y_(o(e.geometry),l(e.material));break;case"LineSegments":a=new vi(o(e.geometry),l(e.material));break;case"PointCloud":case"Points":a=new cc(o(e.geometry),l(e.material));break;case"Sprite":a=new m_(l(e.material));break;case"Group":a=new _s;break;case"Bone":a=new bd;break;default:a=new pt}if(a.uuid=e.uuid,e.name!==void 0&&(a.name=e.name),e.matrix!==void 0?(a.matrix.fromArray(e.matrix),e.matrixAutoUpdate!==void 0&&(a.matrixAutoUpdate=e.matrixAutoUpdate),a.matrixAutoUpdate&&a.matrix.decompose(a.position,a.quaternion,a.scale)):(e.position!==void 0&&a.position.fromArray(e.position),e.rotation!==void 0&&a.rotation.fromArray(e.rotation),e.quaternion!==void 0&&a.quaternion.fromArray(e.quaternion),e.scale!==void 0&&a.scale.fromArray(e.scale)),e.up!==void 0&&a.up.fromArray(e.up),e.pivot!==void 0&&(a.pivot=new P().fromArray(e.pivot)),e.morphTargetDictionary!==void 0&&(a.morphTargetDictionary=Object.assign({},e.morphTargetDictionary)),e.morphTargetInfluences!==void 0&&(a.morphTargetInfluences=e.morphTargetInfluences.slice()),e.castShadow!==void 0&&(a.castShadow=e.castShadow),e.receiveShadow!==void 0&&(a.receiveShadow=e.receiveShadow),e.shadow&&(e.shadow.intensity!==void 0&&(a.shadow.intensity=e.shadow.intensity),e.shadow.bias!==void 0&&(a.shadow.bias=e.shadow.bias),e.shadow.normalBias!==void 0&&(a.shadow.normalBias=e.shadow.normalBias),e.shadow.radius!==void 0&&(a.shadow.radius=e.shadow.radius),e.shadow.mapSize!==void 0&&a.shadow.mapSize.fromArray(e.shadow.mapSize),e.shadow.camera!==void 0&&(a.shadow.camera=this.parseObject(e.shadow.camera))),e.visible!==void 0&&(a.visible=e.visible),e.frustumCulled!==void 0&&(a.frustumCulled=e.frustumCulled),e.renderOrder!==void 0&&(a.renderOrder=e.renderOrder),e.static!==void 0&&(a.static=e.static),e.userData!==void 0&&(a.userData=e.userData),e.layers!==void 0&&(a.layers.mask=e.layers),e.children!==void 0){const d=e.children;for(let f=0;f<d.length;f++)a.add(this.parseObject(d[f],t,n,r,s))}if(e.animations!==void 0){const d=e.animations;for(let f=0;f<d.length;f++){const p=d[f];a.animations.push(s[p])}}if(e.type==="LOD"){e.autoUpdate!==void 0&&(a.autoUpdate=e.autoUpdate);const d=e.levels;for(let f=0;f<d.length;f++){const p=d[f],_=a.getObjectByProperty("uuid",p.object);

5_!==void 0&&a.addLevel(_,p.distance,p.hysteresis)}}return a}bindSkeletons(e,t){Object.keys(t).length!==0&&e.traverse(function(n){if(n.isSkinnedMesh===!0&&n.skeleton!==void 0){const r=t[n.skeleton];r===void 0?_e("ObjectLoader: No skeleton found with UUID:",n.skeleton):n.bind(r,n.bindMatrix)}})}bindLightTargets(e){e.traverse(function(t){if(t.isDirectionalLight||t.isSpotLight){const n=t.target,r=e.getObjectByProperty("uuid",n);r!==void 0?t.target=r:t.target=new pt}})}}const EE={UVMapping:Sc,CubeReflectionMapping:mi,CubeRefractionMapping:Qi,EquirectangularReflectionMapping:ya,EquirectangularRefractionMapping:ba,CubeUVReflectionMapping:Gs},Tp={RepeatWrapping:Ua,ClampToEdgeWrapping:An,MirroredRepeatWrapping:Fa},wp={NearestFilter:Xt,NearestMipmapNearestFilter:ld,NearestMipmapLinearFilter:ms,LinearFilter:Lt,LinearMipmapNearestFilter:Sa,LinearMipmapLinearFilter:di},zu=new WeakMap;class TE extends Rn{constructor(e){super(e),this.isImageBitmapLoader=!0,typeof createImageBitmap>"u"&&_e("ImageBitmapLoader: createImageBitmap() not supported."),typeof fetch>"u"&&_e("ImageBitmapLoader: fetch() not supported."),this.options={premultiplyAlpha:"none"},this._abortController=new AbortController}setOptions(e){return this.options=e,this}load(e,t,n,r){e===void 0&&(e=""),this.path!==void 0&&(e=this.path+e),e=this.manager.resolveURL(e);const s=this,a=fi.get(`image-bitmap:${e}`);if(a!==void 0){if(s.manager.itemStart(e),a.then){a.then(c=>{zu.has(a)===!0?(r&&r(zu.get(a)),s.manager.itemError(e),s.manager.itemEnd(e)):(t&&t(c),s.manager.itemEnd(e))});return}setTimeout(function(){t&&t(a),s.manager.itemEnd(e)},0);return}const o={};o.credentials=this.crossOrigin==="anonymous"?"same-origin":"include",o.headers=this.requestHeader,o.signal=typeof AbortSignal.any=="function"?AbortSignal.any([this._abortController.signal,this.manager.abortController.signal]):this._abortController.signal;const l=fetch(e,o).then(function(c){return c.blob()}).then(function(c){return createImageBitmap(c,Object.assign(s.options,{colorSpaceConversion:"none"}))}).then(function(c){fi.add(`image-bitmap:${e}`,c),t&&t(c),s.manager.itemEnd(e)}).catch(function(c){r&&r(c),zu.set(l,c),fi.remove(`image-bitmap:${e}`),s.manager.itemError(e),s.manager.itemEnd(e)});fi.add(`image-bitmap:${e}`,l),s.manager.itemStart(e)}abort(){return this._abortController.abort(),this._abortController=new AbortController,this}}let Qo;class Vd{static getContext(){return Qo===void 0&&(Qo=new(window.AudioContext||window.webkitAudioContext)),Qo}static setContext(e){Qo=e}}class wE extends Rn{constructor(e){super(e)}load(e,t,n,r){const s=this,a=new Ni(this.manager);a.setResponseType("arraybuffer"),a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(e,function(l){try{const c=l.slice(0),u=Vd.getContext(),h=e+"#decode";s.manager.itemStart(h),u.decodeAudioData(c,function(d){t(d),s.manager.itemEnd(h)}).catch(function(d){o(d),s.manager.itemEnd(h)})}catch(c){o(c)}},n,r);function o(l){r?r(l):Oe(l),s.manager.itemError(e)}}}const Ap=new We,Cp=new We,fr=new We;class AE{constructor(){this.type="StereoCamera",this.aspect=1,this.eyeSep=.064,this.cameraL=new Jt,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new Jt,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(e){const t=this._cache;if(t.focus!==e.focus||t.fov!==e.fov||t.aspect!==e.aspect*this.aspect||t.near!==e.near||t.far!==e.far||t.zoom!==e.zoom||t.eyeSep!==this.eyeSep){t.focus=e.focus,t.fov=e.fov,t.aspect=e.aspect*this.aspect,t.near=e.near,t.far=e.far,t.zoom=e.zoom,t.eyeSep=this.eyeSep,fr.copy(e.projectionMatrix);const r=t.eyeSep/2,s=r*t.near/t.focus,a=t.near*Math.tan(Pr*t.fov*.5)/t.zoom;let o,l;Cp.elements[12]=-r,Ap.elements[12]=r,o=-a*t.aspect+s,l=a*t.aspect+s,fr.elements[0]=2*t.near/(l-o),fr.elements[8]=(l+o)/(l-o),this.cameraL.projectionMatrix.copy(fr),o=-a*t.aspect-s,l=a*t.aspect-s,fr.elements[0]=2*t.near/(l-o),fr.elements[8]=(l+o)/(l-o),this.cameraR.projectionMatrix.copy(fr)}this.cameraL.matrixWorld.copy(e.matrixWorld).multiply(Cp),this.cameraR.matrixWorld.copy(e.matrixWorld).multiply(Ap)}}const ls=-90,cs=1;class s0 extends pt{constructor(e,t,n){super(),this.type="CubeCamera",this.renderTarget=n,this.coordinateSystem=null,this.activeMipmapLevel=0;const r=new Jt(ls,cs,e,t);r.layers=this.layers,this.add(r);const s=new Jt(ls,cs,e,t);s.layers=this.layers,this.add(s);const a=new Jt(ls,cs,e,t);a.layers=this.layers,this.add(a);const o=new Jt(ls,cs,e,t);o.layers=this.layers,this.add(o);const l=new Jt(ls,cs,e,t);l.layers=this.layers,this.add(l);const c=new Jt(ls,cs,e,t);c.layers=this.layers,this.add(c)}updateCoordinateSystem(){const e=this.coordinateSystem,t=this.children.concat(),[n,r,s,a,o,l]=t;for(const c of t)this.remove(c);if(e===Un)n.up.set(0,1,0),n.lookAt(1,0,0),r.up.set(0,1,0),r.lookAt(-1,0,0),s.up.set(0,0,-1),s.lookAt(0,1,0),a.up.set(0,0,1),a.lookAt(0,-1,0),o.up.set(0,1,0),o.lookAt(0,0,1),l.up.set(0,1,0),l.lookAt(0,0,-1);else if(e===Ur)n.up.set(0,-1,0),n.lookAt(-1,0,0),r.up.set(0,-1,0),r.lookAt(1,0,0),s.up.set(0,0,1),s.lookAt(0,1,0),a.up.set(0,0,-1),a.lookAt(0,-1,0),o.up.set(0,-1,0),o.lookAt(0,0,1),l.up.set(0,-1,0),l.lookAt(0,0,-1);else throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+e);for(const c of t)this.add(c),c.updateMatrixWorld()}update(e,t){this.parent===null&&this.updateMatrixWorld();const{renderTarget:n,activeMipmapLevel:r}=this;this.coordinateSystem!==e.coordinateSystem&&(this.coordinateSystem=e.coordinateSystem,this.updateCoordinateSystem());const[s,a,o,l,c,u]=this.children,h=e.getRenderTarget(),d=e.getActiveCubeFace(),f=e.getActiveMipmapLevel(),p=e.xr.enabled;e.xr.enabled=!1;const _=n.texture.generateMipmaps;n.texture.generateMipmaps=!1;let g=!1;e.isWebGLRenderer===!0?g=e.state.buffers.depth.getReversed():g=e.reversedDepthBuffer,e.setRenderTarget(n,0,r),g&&e.autoClear===!1&&e.clearDepth(),e.render(t,s),e.setRenderTarget(n,1,r),g&&e.autoClear===!1&&e.clearDepth(),e.render(t,a),e.setRenderTarget(n,2,r),g&&e.autoClear===!1&&e.clearDepth(),e.render(t,o),e.setRenderTarget(n,3,r),g&&e.autoClear===!1&&e.clearDepth(),e.render(t,l),e.setRenderTarget(n,4,r),g&&e.autoClear===!1&&e.clearDepth(),e.render(t,c),n.texture.generateMipmaps=_,e.setRenderTarget(n,5,r),g&&e.autoClear===!1&&e.clearDepth(),e.render(t,u),e.setRenderTarget(h,d,f),e.xr.enabled=p,n.texture.needsPMREMUpdate=!0}}class a0 extends Jt{constructor(e=[]){super(),this.isArrayCamera=!0,this.isMultiViewCamera=!1,this.cameras=e}}class zd{constructor(){this._previousTime=0,this._currentTime=0,this._startTime=performance.now(),this._delta=0,this._elapsed=0,this._timescale=1,this._document=null,this._pageVisibilityHandler=null}connect(e){this._document=e,e.hidden!==void 0&&(this._pageVisibilityHandler=CE.bind(this),e.addEventListener("visibilitychange",this._pageVisibilityHandler,!1))}disconnect(){this._pageVisibilityHandler!==null&&(this._document.removeEventListener("visibilitychange",this._pageVisibilityHandler),this._pageVisibilityHandler=null),this._document=null}getDelta(){return this._delta/1e3}getElapsed(){return this._elapsed/1e3}getTimescale(){return this._timescale}setTimescale(e){return this._timescale=e,this}reset(){return this._currentTime=performance.now()-this._startTime,this}dispose(){this.disconnect()}update(e){return this._pageVisibilityHandler!==null&&this._document.hidden===!0?this._delta=0:(this._previousTime=this._currentTime,this._currentTime=(e!==void 0?e:performance.now())-this._startTime,this._delta=(this._currentTime-this._previousTime)*this._timescale,this._elapsed+=this._delta),this}}function CE(){this._document.hidden===!1&&this.reset()}

5const pr=new P,Hu=new tn,RE=new P,mr=new P,gr=new P;class IE extends pt{constructor(){super(),this.type="AudioListener",this.context=Vd.getContext(),this.gain=this.context.createGain(),this.gain.connect(this.context.destination),this.filter=null,this.timeDelta=0,this._timer=new zd}getInput(){return this.gain}removeFilter(){return this.filter!==null&&(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination),this.gain.connect(this.context.destination),this.filter=null),this}getFilter(){return this.filter}setFilter(e){return this.filter!==null?(this.gain.disconnect(this.filter),this.filter.disconnect(this.context.destination)):this.gain.disconnect(this.context.destination),this.filter=e,this.gain.connect(this.filter),this.filter.connect(this.context.destination),this}getMasterVolume(){return this.gain.gain.value}setMasterVolume(e){return this.gain.gain.setTargetAtTime(e,this.context.currentTime,.01),this}updateMatrixWorld(e){super.updateMatrixWorld(e),this._timer.update();const t=this.context.listener;if(this.timeDelta=this._timer.getDelta(),this.matrixWorld.decompose(pr,Hu,RE),mr.set(0,0,-1).applyQuaternion(Hu),gr.set(0,1,0).applyQuaternion(Hu),t.positionX){const n=this.context.currentTime+this.timeDelta;t.positionX.linearRampToValueAtTime(pr.x,n),t.positionY.linearRampToValueAtTime(pr.y,n),t.positionZ.linearRampToValueAtTime(pr.z,n),t.forwardX.linearRampToValueAtTime(mr.x,n),t.forwardY.linearRampToValueAtTime(mr.y,n),t.forwardZ.linearRampToValueAtTime(mr.z,n),t.upX.linearRampToValueAtTime(gr.x,n),t.upY.linearRampToValueAtTime(gr.y,n),t.upZ.linearRampToValueAtTime(gr.z,n)}else t.setPosition(pr.x,pr.y,pr.z),t.setOrientation(mr.x,mr.y,mr.z,gr.x,gr.y,gr.z)}}class o0 extends pt{constructor(e){super(),this.type="Audio",this.listener=e,this.context=e.context,this.gain=this.context.createGain(),this.gain.connect(e.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType="empty",this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(e){return this.hasPlaybackControl=!1,this.sourceType="audioNode",this.source=e,this.connect(),this}setMediaElementSource(e){return this.hasPlaybackControl=!1,this.sourceType="mediaNode",this.source=this.context.createMediaElementSource(e),this.connect(),this}setMediaStreamSource(e){return this.hasPlaybackControl=!1,this.sourceType="mediaStreamNode",this.source=this.context.createMediaStreamSource(e),this.connect(),this}setBuffer(e){return this.buffer=e,this.sourceType="buffer",this.autoplay&&this.play(),this}play(e=0){if(this.isPlaying===!0){_e("Audio: Audio is already playing.");return}if(this.hasPlaybackControl===!1){_e("Audio: this Audio has no playback control.");return}this._startedAt=this.context.currentTime+e;const t=this.context.createBufferSource();return t.buffer=this.buffer,t.loop=this.loop,t.loopStart=this.loopStart,t.loopEnd=this.loopEnd,t.onended=this.onEnded.bind(this),t.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=t,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(this.hasPlaybackControl===!1){_e("Audio: this Audio has no playback control.");return}return this.isPlaying===!0&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,this.loop===!0&&(this._progress=this._progress%(this.duration||this.buffer.duration)),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this}stop(e=0){if(this.hasPlaybackControl===!1){_e("Audio: this Audio has no playback control.");return}return this._progress=0,this.source!==null&&(this.source.stop(this.context.currentTime+e),this.source.onended=null),this.isPlaying=!1,this}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let e=1,t=this.filters.length;e<t;e++)this.filters[e-1].connect(this.filters[e]);this.filters[this.filters.length-1].connect(this.getOutput())}else this.source.connect(this.getOutput());return this._connected=!0,this}disconnect(){if(this._connected!==!1){if(this.filters.length>0){this.source.disconnect(this.filters[0]);for(let e=1,t=this.filters.length;e<t;e++)this.filters[e-1].disconnect(this.filters[e]);this.filters[this.filters.length-1].disconnect(this.getOutput())}else this.source.disconnect(this.getOutput());return this._connected=!1,this}}getFilters(){return this.filters}setFilters(e){return e||(e=[]),this._connected===!0?(this.disconnect(),this.filters=e.slice(),this.connect()):this.filters=e.slice(),this}setDetune(e){return this.detune=e,this.isPlaying===!0&&this.source.detune!==void 0&&this.source.detune.setTargetAtTime(this.detune,this.context.currentTime,.01),this}getDetune(){return this.detune}getFilter(){return this.getFilters()[0]}setFilter(e){return this.setFilters(e?[e]:[])}setPlaybackRate(e){if(this.hasPlaybackControl===!1){_e("Audio: this Audio has no playback control.");return}return this.playbackRate=e,this.isPlaying===!0&&this.source.playbackRate.setTargetAtTime(this.playbackRate,this.context.currentTime,.01),this}getPlaybackRate(){return this.playbackRate}onEnded(){this.isPlaying=!1,this._progress=0}getLoop(){return this.hasPlaybackControl===!1?(_e("Audio: this Audio has no playback control."),!1):this.loop}setLoop(e){if(this.hasPlaybackControl===!1){_e("Audio: this Audio has no playback control.");return}return this.loop=e,this.isPlaying===!0&&(this.source.loop=this.loop),this}setLoopStart(e){return this.loopStart=e,this}setLoopEnd(e){return this.loopEnd=e,this}getVolume(){return this.gain.gain.value}setVolume(e){return this.gain.gain.setTargetAtTime(e,this.context.currentTime,.01),this}copy(e,t){return super.copy(e,t),e.sourceType!=="buffer"?(_e("Audio: Audio source type cannot be copied."),this):(this.autoplay=e.autoplay,this.buffer=e.buffer,this.detune=e.detune,this.loop=e.loop,this.loopStart=e.loopStart,this.loopEnd=e.loopEnd,this.offset=e.offset,this.duration=e.duration,this.playbackRate=e.playbackRate,this.hasPlaybackControl=e.hasPlaybackControl,this.sourceType=e.sourceType,this.filters=e.filters.slice(),this)}clone(e){return new this.constructor(this.listener).copy(this,e)}}const _r=new P,Rp=new tn,PE=new P,vr=new P;class LE extends o0{constructor(e){super(e),this.panner=this.context.createPanner(),this.panner.panningModel="HRTF",this.panner.connect(this.gain)}connect(){return super.connect(),this.panner.connect(this.gain),this}disconnect(){return super.disconnect(),this.panner.disconnect(this.gain),this}getOutput(){return this.panner}getRefDistance(){return this.panner.refDistance}setRefDistance(e){return this.panner.refDistance=e,this}getRolloffFactor(){return this.panner.rolloffFactor}setRolloffFactor(e){return this.panner.rolloffFactor=e,this}getDistanceModel(){return this.panner.distanceModel}setDistanceModel(e){return this.panner.distanceModel=e,this}getMaxDistance(){return this.panner.maxDistance}setMaxDistance(e){return this.panner.maxDistance=e,this}setDirectionalCone(e,t,n){return this.panner.coneInnerAngle=e,this.panner.coneOuterAngle=t,this.panner.coneOuterGain=n,this}updateMatrixWorld(e){if(super.updateMatrixWorld(e),this.hasPlaybackControl===!0&&this.isPlaying===!1)return;this.matrixWorld.decompose(_r,Rp,PE),vr.set(0,0,1).applyQuaternion(Rp);const t=this.panner;if(t.positionX){const n=this.context.currentTime+this.listener.timeDelta;t.positionX.linearRampToValueAtTime(_r.x,n),t.positionY.linearRampToValueAtTime(_r.y,n),t.positionZ.linearRampToValueAtTime(_r.z,n),t.orientationX.linearRampToValueAtTime(vr.x,n),t.orientationY.linearRampToValueAtTime(vr.y,n),t.orientationZ.linearRampToValueAtTime(vr.z,n)}else t.setPosition(_r.x,_r.y,_r.z),t.setOrientation(vr.x,vr.y,vr.z)}}class NE{constructor(e,t=2048){this.analyser=e.context.createAnalyser(),this.analyser.fftSize=t,this.data=new Uint8Array(this.analyser.frequencyBinCount),e.getOutput().connect(this.analyser)}getFrequencyData(){return this.analyser.getByteFrequencyData(this.data),this.data}getAverageFrequency(){let e=0;const t=this.getFrequencyData();for(let n=0;n<t.length;n++)e+=t[n];return e/t.length}}class l0{constructor(e,t,n){this.binding=e,this.valueSize=n;let r,s,a;switch(t){case"quaternion":r=this._slerp,s=this._slerpAdditive,a=this._setAdditiveIdentityQuaternion,this.buffer=new Float64Array(n*6),this._workIndex=5;break;case"string":case"bool":r=this._select,s=this._select,a=this._setAdditiveIdentityOther,this.buffer=new Array(n*5);break;default:r=this._lerp,s=this._lerpAdditive,a=this._setAdditiveIdentityNumeric,this.buffer=new Float64Array(n*5)}this._mixBufferRegion=r,this._mixBufferRegionAdditive=s,this._setIdentity=a,this._origIndex=3,this._addIndex=4,this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,this.useCount=0,this.referenceCount=0}accumulate(e,t){const n=this.buffer,r=this.valueSize,s=e*r+r;let a=this.cumulativeWeight;if(a===0){for(let o=0;o!==r;++o)n[s+o]=n[o];a=t}else{a+=t;const o=t/a;this._mixBufferRegion(n,s,0,o,r)}this.cumulativeWeight=a}accumulateAdditive(e){const t=this.buffer,n=this.valueSize,r=n*this._addIndex;this.cumulativeWeightAdditive===0&&this._setIdentity(),this._mixBufferRegionAdditive(t,r,0,e,n),this.cumulativeWeightAdditive+=e}apply(e){const t=this.valueSize,n=this.buffer,r=e*t+t,s=this.cumulativeWeight,a=this.cumulativeWeightAdditive,o=this.binding;if(this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,s<1){const l=t*this._origIndex;this._mixBufferRegion(n,r,l,1-s,t)}a>0&&this._mixBufferRegionAdditive(n,r,this._addIndex*t,1,t);for(let l=t,c=t+t;l!==c;++l)if(n[l]!==n[l+t]){o.setValue(n,r);break}}saveOriginalState(){const e=this.binding,t=this.buffer,n=this.valueSize,r=n*this._origIndex;e.getValue(t,r);for(let s=n,a=r;s!==a;++s)t[s]=t[r+s%n];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){const e=this.valueSize*3;this.binding.setValue(this.buffer,e)}_setAdditiveIdentityNumeric(){const e=this._addIndex*this.valueSize,t=e+this.valueSize;for(let n=e;n<t;n++)this.buffer[n]=0}_setAdditiveIdentityQuaternion(){this._setAdditiveIdentityNumeric(),this.buffer[this._addIndex*this.valueSize+3]=1}_setAdditiveIdentityOther(){const e=this._origIndex*this.valueSize,t=this._addIndex*this.valueSize;for(let n=0;n<this.valueSize;n++)this.buffer[t+n]=this.buffer[e+n]}_select(e,t,n,r,s){if(r>=.5)for(let a=0;a!==s;++a)e[t+a]=e[n+a]}_slerp(e,t,n,r){tn.slerpFlat(e,t,e,t,e,n,r)}_slerpAdditive(e,t,n,r,s){const a=this._workIndex*s;tn.multiplyQuaternionsFlat(e,a,e,t,e,n),tn.slerpFlat(e,t,e,t,e,a,r)}_lerp(e,t,n,r,s){const a=1-r;for(let o=0;o!==s;++o){const l=t+o;e[l]=e[l]*a+e[n+o]*r}}_lerpAdditive(e,t,n,r,s){for(let a=0;a!==s;++a){const o=t+a;e[o]=e[o]+e[n+a]*r}}}const Hd="\\[\\]\\.:\\/",DE=new RegExp("["+Hd+"]","g"),Gd="[^"+Hd+"]",OE="[^"+Hd.replace("\\.","")+"]",UE=/((?:WC+[\/:])*)/.source.replace("WC",Gd),FE=/(WCOD+)?/.source.replace("WCOD",OE),BE=/(?:\.(WC+)(?:\[(.+)\])?)?/.source.replace("WC",Gd),kE=/\.(WC+)(?:\[(.+)\])?/.source.replace("WC",Gd),VE=new RegExp("^"+UE+FE+BE+kE+"$"),zE=["material","materials","bones","map"];class HE{constructor(e,t,n){const r=n||_t.parseTrackName(t);this._targetGroup=e,this._bindings=e.subscribe_(t,r)}getValue(e,t){this.bind();const n=this._targetGroup.nCachedObjects_,r=this._bindings[n];r!==void 0&&r.getValue(e,t)}setValue(e,t){const n=this._bindings;for(let r=this._targetGroup.nCachedObjects_,s=n.length;r!==s;++r)n[r].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 _t{constructor(e,t,n){this.path=t,this.parsedPath=n||_t.parseTrackName(t),this.node=_t.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 _t.Composite(e,t,n):new _t(e,t,n)}static sanitizeNodeName(e){return e.replace(/\s/g,"_").replace(DE,"")}static parseTrackName(e){const t=VE.exec(e);if(t===null)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]},r=n.nodeName&&n.nodeName.lastIndexOf(".");if(r!==void 0&&r!==-1){const s=n.nodeName.substring(r+1);zE.indexOf(s)!==-1&&(n.nodeName=n.nodeName.substring(0,r),n.objectName=s)}if(n.propertyName===null||n.propertyName.length===0)throw new Error("PropertyBinding: can not parse propertyName from trackName: "+e);return n}static findNode(e,t){if(t===void 0||t===""||t==="."||t===-1||t===e.name||t===e.uuid)return e;if(e.skeleton){const n=e.skeleton.getBoneByName(t);if(n!==void 0)return n}if(e.children){const n=function(s){for(let a=0;a<s.length;a++){const o=s[a];if(o.name===t||o.uuid===t)return o;const l=n(o.children);if(l)return l}return null},r=n(e.children);if(r)return r}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 r=0,s=n.length;r!==s;++r)e[t++]=n[r]}_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 r=0,s=n.length;r!==s;++r)n[r]=e[t++]}_setValue_array_setNeedsUpdate(e,t){const n=this.resolvedProperty;for(let r=0,s=n.length;r!==s;++r)n[r]=e[t++];this.targetObject.needsUpdate=!0}_setValue_array_setMatrixWorldNeedsUpdate(e,t){const n=this.resolvedProperty;for(let r=0,s=n.length;r!==s;++r)n[r]=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}

5_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,r=t.propertyName;let s=t.propertyIndex;if(e||(e=_t.findNode(this.rootNode,t.nodeName),this.node=e),this.getValue=this._getValue_unavailable,this.setValue=this._setValue_unavailable,!e){_e("PropertyBinding: No target node found for track: "+this.path+".");return}if(n){let c=t.objectIndex;switch(n){case"materials":if(!e.material){Oe("PropertyBinding: Can not bind to material as node does not have a material.",this);return}if(!e.material.materials){Oe("PropertyBinding: Can not bind to material.materials as node.material does not have a materials array.",this);return}e=e.material.materials;break;case"bones":if(!e.skeleton){Oe("PropertyBinding: Can not bind to bones as node does not have a skeleton.",this);return}e=e.skeleton.bones;for(let u=0;u<e.length;u++)if(e[u].name===c){c=u;break}break;case"map":if("map"in e){e=e.map;break}if(!e.material){Oe("PropertyBinding: Can not bind to material as node does not have a material.",this);return}if(!e.material.map){Oe("PropertyBinding: Can not bind to material.map as node.material does not have a map.",this);return}e=e.material.map;break;default:if(e[n]===void 0){Oe("PropertyBinding: Can not bind to objectName of node undefined.",this);return}e=e[n]}if(c!==void 0){if(e[c]===void 0){Oe("PropertyBinding: Trying to bind to objectIndex of objectName, but is undefined.",this,e);return}e=e[c]}}const a=e[r];if(a===void 0){const c=t.nodeName;Oe("PropertyBinding: Trying to update property for track: "+c+"."+r+" but it wasn't found.",e);return}let o=this.Versioning.None;this.targetObject=e,e.isMaterial===!0?o=this.Versioning.NeedsUpdate:e.isObject3D===!0&&(o=this.Versioning.MatrixWorldNeedsUpdate);let l=this.BindingType.Direct;if(s!==void 0){if(r==="morphTargetInfluences"){if(!e.geometry){Oe("PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.",this);return}if(!e.geometry.morphAttributes){Oe("PropertyBinding: Can not bind to morphTargetInfluences because node does not have a geometry.morphAttributes.",this);return}e.morphTargetDictionary[s]!==void 0&&(s=e.morphTargetDictionary[s])}l=this.BindingType.ArrayElement,this.resolvedProperty=a,this.propertyIndex=s}else a.fromArray!==void 0&&a.toArray!==void 0?(l=this.BindingType.HasFromToArray,this.resolvedProperty=a):Array.isArray(a)?(l=this.BindingType.EntireArray,this.resolvedProperty=a):this.propertyName=r;this.getValue=this.GetterByBindingType[l],this.setValue=this.SetterByBindingTypeAndVersioning[l][o]}unbind(){this.node=null,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}}_t.Composite=HE;_t.prototype.BindingType={Direct:0,EntireArray:1,ArrayElement:2,HasFromToArray:3};_t.prototype.Versioning={None:0,NeedsUpdate:1,MatrixWorldNeedsUpdate:2};_t.prototype.GetterByBindingType=[_t.prototype._getValue_direct,_t.prototype._getValue_array,_t.prototype._getValue_arrayElement,_t.prototype._getValue_toArray];_t.prototype.SetterByBindingTypeAndVersioning=[[_t.prototype._setValue_direct,_t.prototype._setValue_direct_setNeedsUpdate,_t.prototype._setValue_direct_setMatrixWorldNeedsUpdate],[_t.prototype._setValue_array,_t.prototype._setValue_array_setNeedsUpdate,_t.prototype._setValue_array_setMatrixWorldNeedsUpdate],[_t.prototype._setValue_arrayElement,_t.prototype._setValue_arrayElement_setNeedsUpdate,_t.prototype._setValue_arrayElement_setMatrixWorldNeedsUpdate],[_t.prototype._setValue_fromArray,_t.prototype._setValue_fromArray_setNeedsUpdate,_t.prototype._setValue_fromArray_setMatrixWorldNeedsUpdate]];class GE{constructor(){this.isAnimationObjectGroup=!0,this.uuid=Fn(),this._objects=Array.prototype.slice.call(arguments),this.nCachedObjects_=0;const e={};this._indicesByUUID=e;for(let n=0,r=arguments.length;n!==r;++n)e[arguments[n].uuid]=n;this._paths=[],this._parsedPaths=[],this._bindings=[],this._bindingsIndicesByPath={};const t=this;this.stats={objects:{get total(){return t._objects.length},get inUse(){return this.total-t.nCachedObjects_}},get bindingsPerObject(){return t._bindings.length}}}add(){const e=this._objects,t=this._indicesByUUID,n=this._paths,r=this._parsedPaths,s=this._bindings,a=s.length;let o,l=e.length,c=this.nCachedObjects_;for(let u=0,h=arguments.length;u!==h;++u){const d=arguments[u],f=d.uuid;let p=t[f];if(p===void 0){p=l++,t[f]=p,e.push(d);for(let _=0,g=a;_!==g;++_)s[_].push(new _t(d,n[_],r[_]))}else if(p<c){o=e[p];const _=--c,g=e[_];t[g.uuid]=p,e[p]=g,t[f]=_,e[_]=d;for(let m=0,v=a;m!==v;++m){const b=s[m],y=b[_];let T=b[p];b[p]=y,T===void 0&&(T=new _t(d,n[m],r[m])),b[_]=T}}else e[p]!==o&&Oe("AnimationObjectGroup: Different objects with the same UUID detected. Clean the caches or recreate your infrastru

5cture when reloading scenes.")}this.nCachedObjects_=c}remove(){const e=this._objects,t=this._indicesByUUID,n=this._bindings,r=n.length;let s=this.nCachedObjects_;for(let a=0,o=arguments.length;a!==o;++a){const l=arguments[a],c=l.uuid,u=t[c];if(u!==void 0&&u>=s){const h=s++,d=e[h];t[d.uuid]=u,e[u]=d,t[c]=h,e[h]=l;for(let f=0,p=r;f!==p;++f){const _=n[f],g=_[h],m=_[u];_[u]=g,_[h]=m}}}this.nCachedObjects_=s}uncache(){const e=this._objects,t=this._indicesByUUID,n=this._bindings,r=n.length;let s=this.nCachedObjects_,a=e.length;for(let o=0,l=arguments.length;o!==l;++o){const c=arguments[o],u=c.uuid,h=t[u];if(h!==void 0)if(delete t[u],h<s){const d=--s,f=e[d],p=--a,_=e[p];t[f.uuid]=h,e[h]=f,t[_.uuid]=d,e[d]=_,e.pop();for(let g=0,m=r;g!==m;++g){const v=n[g],b=v[d],y=v[p];v[h]=b,v[d]=y,v.pop()}}else{const d=--a,f=e[d];d>0&&(t[f.uuid]=h),e[h]=f,e.pop();for(let p=0,_=r;p!==_;++p){const g=n[p];g[h]=g[d],g.pop()}}}this.nCachedObjects_=s}subscribe_(e,t){const n=this._bindingsIndicesByPath;let r=n[e];const s=this._bindings;if(r!==void 0)return s[r];const a=this._paths,o=this._parsedPaths,l=this._objects,c=l.length,u=this.nCachedObjects_,h=new Array(c);r=s.length,n[e]=r,a.push(e),o.push(t),s.push(h);for(let d=u,f=l.length;d!==f;++d){const p=l[d];h[d]=new _t(p,e,t)}return h}unsubscribe_(e){const t=this._bindingsIndicesByPath,n=t[e];if(n!==void 0){const r=this._paths,s=this._parsedPaths,a=this._bindings,o=a.length-1,l=a[o],c=e[o];t[c]=n,a[n]=l,a.pop(),s[n]=s[o],s.pop(),r[n]=r[o],r.pop()}}}class c0{constructor(e,t,n=null,r=t.blendMode){this._mixer=e,this._clip=t,this._localRoot=n,this.blendMode=r;const s=t.tracks,a=s.length,o=new Array(a),l={endingStart:Er,endingEnd:Er};for(let c=0;c!==a;++c){const u=s[c].createInterpolant(null);o[c]=u,u.settings&&Object.assign(l,u.settings),u.settings=l}this._interpolantSettings=l,this._interpolants=o,this._propertyBindings=new Array(a),this._cacheIndex=null,this._byClipCacheIndex=null,this._timeScaleInterpolant=null,this._weightInterpolant=null,this.loop=Jg,this._loopCount=-1,this._startTime=null,this.time=0,this.timeScale=1,this._effectiveTimeScale=1,this.weight=1,this._effectiveWeight=1,this.repetitions=1/0,this.paused=!1,this.enabled=!0,this.clampWhenFinished=!1,this.zeroSlopeAtStart=!0,this.zeroSlopeAtEnd=!0}play(){return this._mixer._activateAction(this),this}stop(){return this._mixer._deactivateAction(this),this.reset()}reset(){return this.paused=!1,this.enabled=!0,this.time=0,this._loopCount=-1,this._startTime=null,this.stopFading().stopWarping()}isRunning(){return this.enabled&&!this.paused&&this.timeScale!==0&&this._startTime===null&&this._mixer._isActiveAction(this)}isScheduled(){return this._mixer._isActiveAction(this)}startAt(e){return this._startTime=e,this}setLoop(e,t){return this.loop=e,this.repetitions=t,this}setEffectiveWeight(e){return this.weight=e,this._effectiveWeight=this.enabled?e:0,this.stopFading()}getEffectiveWeight(){return this._effectiveWeight}fadeIn(e){return this._scheduleFading(e,0,1)}fadeOut(e){return this._scheduleFading(e,1,0)}crossFadeFrom(e,t,n=!1){if(e.fadeOut(t),this.fadeIn(t),n===!0){const r=this._clip.duration,s=e._clip.duration,a=s/r,o=r/s;e.warp(1,a,t),this.warp(o,1,t)}return this}crossFadeTo(e,t,n=!1){return e.crossFadeFrom(this,t,n)}stopFading(){const e=this._weightInterpolant;return e!==null&&(this._weightInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}setEffectiveTimeScale(e){return this.timeScale=e,this._effectiveTimeScale=this.paused?0:e,this.stopWarping()}getEffectiveTimeScale(){return this._effectiveTimeScale}setDuration(e){return this.timeScale=this._clip.duration/e,this.stopWarping()}syncWith(e){return this.time=e.time,this.timeScale=e.timeScale,this.stopWarping()}halt(e){return this.warp(this._effectiveTimeScale,0,e)}warp(e,t,n){const r=this._mixer,s=r.time,a=this.timeScale;let o=this._timeScaleInterpolant;o===null&&(o=r._lendControlInterpolant(),this._timeScaleInterpolant=o);const l=o.parameterPositions,c=o.sampleValues;return l[0]=s,l[1]=s+n,c[0]=e/a,c[1]=t/a,this}stopWarping(){const e=this._timeScaleInterpolant;return e!==null&&(this._timeScaleInterpolant=null,this._mixer._takeBackControlInterpolant(e)),this}getMixer(){return this._mixer}getClip(){return this._clip}getRoot(){return this._localRoot||this._mixer._root}_update(e,t,n,r){if(!this.enabled){this._updateWeight(e);return}const s=this._startTime;if(s!==null){const l=(e-s)*n;l<0||n===0?t=0:(this._startTime=null,t=n*l)}t*=this._updateTimeScale(e);const a=this._updateTime(t),o=this._updateWeight(e);if(o>0){const l=this._interpolants,c=this._propertyBindings;switch(this.blendMode){case md:for(let u=0,h=l.length;u!==h;++u)l[u].evaluate(a),c[u].accumulateAdditive(o);break;case Rc:default:for(let u=0,h=l.length;u!==h;++u)l[u].evaluate(a),c[u].accumulate(r,o)}}}_updateWeight(e){let t=0;if(this.enabled){t=this.weight;const n=this._weightInterpolant;if(n!==null){const r=n.evaluate(e)[0];t*=r,e>n.parameterPositions[1]&&(this.stopFading(),r===0&&(this.enabled=!1))}}return this._effectiveWeight=t,t}_updateTimeScale(e){let t=0;if(!this.paused){t=this.timeScale;const n=this._timeScaleInterpolant;if(n!==null){const r=n.evaluate(e)[0];t*=r,e>n.parameterPositions[1]&&(this.stopWarping(),t===0?this.paused=!0:this.timeScale=t)}}return this._effectiveTimeScale=t,t}_updateTime(e){const t=this._clip.duration,n=this.loop;let r=this.time+e,s=this._loopCount;const a=n===jg;if(e===0)return s===-1?r:a&&(s&1)===1?t-r:r;if(n===Kg){s===-1&&(this._loopCount=0,this._setEndings(!0,!0,!1));e:{if(r>=t)r=t;else if(r<0)r=0;else{this.time=r;break e}this.clampWhenFinished?this.paused=!0:this.enabled=!1,this.time=r,this._mixer.dispatchEvent({type:"finished",action:this,direction:e<0?-1:1})}}else{if(s===-1&&(e>=0?(s=0,this._setEndings(!0,this.repetitions===0,a)):this._setEndings(this.repetitions===0,!0,a)),r>=t||r<0){const o=Math.floor(r/t);r-=t*o,s+=Math.abs(o);const l=this.repetitions-s;if(l<=0)this.clampWhenFinished?this.paused=!0:this.enabled=!1,r=e>0?t:0,this.time=r,this._mixer.dispatchEvent({type:"finished",action:this,direction:e>0?1:-1});else{if(l===1){const c=e<0;this._setEndings(c,!c,a)}else this._setEndings(!1,!1,a);this._loopCount=s,this.time=r,this._mixer.dispatchEvent({type:"loop",action:this,loopDelta:o})}}else this._loopCount=s,this.time=r;if(a&&(s&1)===1)return t-r}return r}

5_setEndings(e,t,n){const r=this._interpolantSettings;n?(r.endingStart=Tr,r.endingEnd=Tr):(e?r.endingStart=this.zeroSlopeAtStart?Tr:Er:r.endingStart=za,t?r.endingEnd=this.zeroSlopeAtEnd?Tr:Er:r.endingEnd=za)}_scheduleFading(e,t,n){const r=this._mixer,s=r.time;let a=this._weightInterpolant;a===null&&(a=r._lendControlInterpolant(),this._weightInterpolant=a);const o=a.parameterPositions,l=a.sampleValues;return o[0]=s,l[0]=t,o[1]=s+e,l[1]=n,this}}const WE=new Float32Array(1);class XE extends ii{constructor(e){super(),this._root=e,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1,typeof __THREE_DEVTOOLS__<"u"&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}_bindAction(e,t){const n=e._localRoot||this._root,r=e._clip.tracks,s=r.length,a=e._propertyBindings,o=e._interpolants,l=n.uuid,c=this._bindingsByRootAndName;let u=c[l];u===void 0&&(u={},c[l]=u);for(let h=0;h!==s;++h){const d=r[h],f=d.name;let p=u[f];if(p!==void 0)++p.referenceCount,a[h]=p;else{if(p=a[h],p!==void 0){p._cacheIndex===null&&(++p.referenceCount,this._addInactiveBinding(p,l,f));continue}const _=t&&t._propertyBindings[h].binding.parsedPath;p=new l0(_t.create(n,f,_),d.ValueTypeName,d.getValueSize()),++p.referenceCount,this._addInactiveBinding(p,l,f),a[h]=p}o[h].resultBuffer=p.buffer}}_activateAction(e){if(!this._isActiveAction(e)){if(e._cacheIndex===null){const n=(e._localRoot||this._root).uuid,r=e._clip.uuid,s=this._actionsByClip[r];this._bindAction(e,s&&s.knownActions[0]),this._addInactiveAction(e,r,n)}const t=e._propertyBindings;for(let n=0,r=t.length;n!==r;++n){const s=t[n];s.useCount++===0&&(this._lendBinding(s),s.saveOriginalState())}this._lendAction(e)}}_deactivateAction(e){if(this._isActiveAction(e)){const t=e._propertyBindings;for(let n=0,r=t.length;n!==r;++n){const s=t[n];--s.useCount===0&&(s.restoreOriginalState(),this._takeBackBinding(s))}this._takeBackAction(e)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;const e=this;this.stats={actions:{get total(){return e._actions.length},get inUse(){return e._nActiveActions}},bindings:{get total(){return e._bindings.length},get inUse(){return e._nActiveBindings}},controlInterpolants:{get total(){return e._controlInterpolants.length},get inUse(){return e._nActiveControlInterpolants}}}}_isActiveAction(e){const t=e._cacheIndex;return t!==null&&t<this._nActiveActions}_addInactiveAction(e,t,n){const r=this._actions,s=this._actionsByClip;let a=s[t];if(a===void 0)a={knownActions:[e],actionByRoot:{}},e._byClipCacheIndex=0,s[t]=a;else{const o=a.knownActions;e._byClipCacheIndex=o.length,o.push(e)}e._cacheIndex=r.length,r.push(e),a.actionByRoot[n]=e}_removeInactiveAction(e){const t=this._actions,n=t[t.length-1],r=e._cacheIndex;n._cacheIndex=r,t[r]=n,t.pop(),e._cacheIndex=null;const s=e._clip.uuid,a=this._actionsByClip,o=a[s],l=o.knownActions,c=l[l.length-1],u=e._byClipCacheIndex;c._byClipCacheIndex=u,l[u]=c,l.pop(),e._byClipCacheIndex=null;const h=o.actionByRoot,d=(e._localRoot||this._root).uuid;delete h[d],l.length===0&&delete a[s],this._removeInactiveBindingsForAction(e)}_removeInactiveBindingsForAction(e){const t=e._propertyBindings;for(let n=0,r=t.length;n!==r;++n){const s=t[n];--s.referenceCount===0&&this._removeInactiveBinding(s)}}_lendAction(e){const t=this._actions,n=e._cacheIndex,r=this._nActiveActions++,s=t[r];e._cacheIndex=r,t[r]=e,s._cacheIndex=n,t[n]=s}_takeBackAction(e){const t=this._actions,n=e._cacheIndex,r=--this._nActiveActions,s=t[r];e._cacheIndex=r,t[r]=e,s._cacheIndex=n,t[n]=s}_addInactiveBinding(e,t,n){const r=this._bindingsByRootAndName,s=this._bindings;let a=r[t];a===void 0&&(a={},r[t]=a),a[n]=e,e._cacheIndex=s.length,s.push(e)}_removeInactiveBinding(e){const t=this._bindings,n=e.binding,r=n.rootNode.uuid,s=n.path,a=this._bindingsByRootAndName,o=a[r],l=t[t.length-1],c=e._cacheIndex;l._cacheIndex=c,t[c]=l,t.pop(),delete o[s],Object.keys(o).length===0&&delete a[r]}_lendBinding(e){const t=this._bindings,n=e._cacheIndex,r=this._nActiveBindings++,s=t[r];e._cacheIndex=r,t[r]=e,s._cacheIndex=n,t[n]=s}_takeBackBinding(e){const t=this._bindings,n=e._cacheIndex,r=--this._nActiveBindings,s=t[r];e._cacheIndex=r,t[r]=e,s._cacheIndex=n,t[n]=s}_lendControlInterpolant(){const e=this._controlInterpolants,t=this._nActiveControlInterpolants++;let n=e[t];return n===void 0&&(n=new Od(new Float32Array(2),new Float32Array(2),1,WE),n.__cacheIndex=t,e[t]=n),n}_takeBackControlInterpolant(e){const t=this._controlInterpolants,n=e.__cacheIndex,r=--this._nActiveControlInterpolants,s=t[r];e.__cacheIndex=r,t[r]=e,s.__cacheIndex=n,t[n]=s}clipAction(e,t,n){const r=t||this._root,s=r.uuid;let a=typeof e=="string"?ja.findByName(r,e):e;const o=a!==null?a.uuid:e,l=this._actionsByClip[o];let c=null;if(n===void 0&&(a!==null?n=a.blendMode:n=Rc),l!==void 0){const h=l.actionByRoot[s];if(h!==void 0&&h.blendMode===n)return h;c=l.knownActions[0],a===null&&(a=c._clip)}if(a===null)return null;const u=new c0(this,a,t,n);return this._bindAction(u,c),this._addInactiveAction(u,o,s),u}existingAction(e,t){const n=t||this._root,r=n.uuid,s=typeof e=="string"?ja.findByName(n,e):e,a=s?s.uuid:e,o=this._actionsByClip[a];return o!==void 0&&o.actionByRoot[r]||null}stopAllAction(){const e=this._actions,t=this._nActiveActions;for(let n=t-1;n>=0;--n)e[n].stop();return this}update(e){e*=this.timeScale;const t=this._actions,n=this._nActiveActions,r=this.time+=e,s=Math.sign(e),a=this._accuIndex^=1;for(let c=0;c!==n;++c)t[c]._update(r,e,s,a);const o=this._bindings,l=this._nActiveBindings;for(let c=0;c!==l;++c)o[c].apply(a);return this}setTime(e){this.time=0;for(let t=0;t<this._actions.length;t++)this._actions[t].time=0;return this.update(e)}getRoot(){return this._root}uncacheClip(e){const t=this._actions,n=e.uuid,r=this._actionsByClip,s=r[n];if(s!==void 0){const a=s.knownActions;for(let o=0,l=a.length;o!==l;++o){const c=a[o];this._deactivateAction(c);const u=c._cacheIndex,h=t[t.length-1];c._cacheIndex=null,c._byClipCacheIndex=null,h._cacheIndex=u,t[u]=h,t.pop(),this._removeInactiveBindingsForAction(c)}delete r[n]}}uncacheRoot(e){const t=e.uuid,n=this._actionsByClip;for(const a in n){const o=n[a].actionByRoot,l=o[t];l!==void 0&&(this._deactivateAction(l),this._removeInactiveAction(l))}const r=this._bindingsByRootAndName,s=r[t];if(s!==void 0)for(const a in s){const o=s[a];o.restoreOriginalState(),this._removeInactiveBinding(o)}}uncacheAction(e,t){const n=this.existingAction(e,t);n!==null&&(this._deactivateAction(n),this._removeInactiveAction(n))}}class qE extends _d{constructor(e=1,t=1,n=1,r={}){super(e,t,r),this.isRenderTarget3D=!0,this.depth=n,this.texture=new Nc(null,e,t,n),this._setTextureOptions(r),this.texture.isRenderTargetTexture=!0}}class Wd{constructor(e){this.value=e}clone(){return new Wd(this.value.clone===void 0?this.value:this.value.clone())}}let $E=0;class YE extends ii{constructor(){super(),this.isUniformsGroup=!0,Object.defineProperty(this,"id",{value:$E++}),this.name="",this.usage=Wa,this.uniforms=[]}add(e){return this.uniforms.push(e),this}remove(e){const t=this.uniforms.indexOf(e);return t!==-1&&this.uniforms.splice(t,1),this}setName(e){return this.name=e,this}setUsage(e){return this.usage=e,this}dispose(){this.dispatchEvent({type:"dispose"})}copy(e){this.name=e.name,this.usage=e.usage;const t=e.uniforms;this.uniforms.length=0;for(let n=0,r=t.length;n<r;n++){const s=Array.isArray(t[n])?t[n]:[t[n]];for(let a=0;a<s.length;a++)this.uniforms.push(s[a].clone())}return this}clone(){return new this.constructor().copy(this)}}class ZE extends Fc{constructor(e,t,n=1){super(e,t),this.isInstancedInterleavedBuffer=!0,this.meshPerAttribute=n}copy(e){return super.copy(e),this.meshPerAttribute=e.meshPerAttribute,this}clone(e){const t=super.clone(e);return t.meshPerAttribute=this.meshPerAttribute,t}toJSON(e){const t=super.toJSON(e);return t.isInstancedInterleavedBuffer=!0,t.meshPerAttribute=this.meshPerAttribute,t}}class KE{constructor(e,t,n,r,s,a=!1){this.isGLBufferAttribute=!0,this.name="",this.buffer=e,this.type=t,this.itemSize=n,this.elementSize=r,this.count=s,this.normalized=a,this.version=0}set needsUpdate(e){e===!0&&this.version++}setBuffer(e){return this.buffer=e,this}setType(e,t){return this.type=e,this.elementSize=t,this}setItemSize(e){return this.itemSize=e,this}setCount(e){return this.count=e,this}}const Ip=new We;class u0{constructor(e,t,n=0,r=1/0){this.ray=new nr(e,t),this.near=n,this.far=r,this.camera=null,this.layers=new ao,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}}}set(e,t){this.ray.set(e,t)}setFromCamera(e,t){t.isPerspectiveCamera?(this.ray.origin.setFromMatrixPosition(t.matrixWorld),this.ray.direction.set(e.x,e.y,.5).unproject(t).sub(this.ray.origin).normalize(),this.camera=t):t.isOrthographicCamera?(this.ray.origin.set(e.x,e.y,(t.near+t.far)/(t.near-t.far)).unproject(t),this.ray.direction.set(0,0,-1).transformDirection(t.matrixWorld),this.camera=t):Oe("Raycaster: 

5Unsupported camera type: "+t.type)}setFromXRController(e){return Ip.identity().extractRotation(e.matrixWorld),this.ray.origin.setFromMatrixPosition(e.matrixWorld),this.ray.direction.set(0,0,-1).applyMatrix4(Ip),this}intersectObject(e,t=!0,n=[]){return Th(e,this,n,t),n.sort(Pp),n}intersectObjects(e,t=!0,n=[]){for(let r=0,s=e.length;r<s;r++)Th(e[r],this,n,t);return n.sort(Pp),n}}function Pp(i,e){return i.distance-e.distance}function Th(i,e,t,n){let r=!0;if(i.layers.test(e.layers)&&i.raycast(e,t)===!1&&(r=!1),r===!0&&n===!0){const s=i.children;for(let a=0,o=s.length;a<o;a++)Th(s[a],e,t,!0)}}class h0{constructor(e=!0){this.autoStart=e,this.startTime=0,this.oldTime=0,this.elapsedTime=0,this.running=!1,_e("Clock: This module has been deprecated. Please use THREE.Timer instead.")}start(){this.startTime=performance.now(),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=performance.now();e=(t-this.oldTime)/1e3,this.oldTime=t,this.elapsedTime+=e}return e}}class JE{constructor(e=1,t=0,n=0){this.radius=e,this.phi=t,this.theta=n}set(e,t,n){return this.radius=e,this.phi=t,this.theta=n,this}copy(e){return this.radius=e.radius,this.phi=e.phi,this.theta=e.theta,this}makeSafe(){return this.phi=$e(this.phi,1e-6,Math.PI-1e-6),this}setFromVector3(e){return this.setFromCartesianCoords(e.x,e.y,e.z)}setFromCartesianCoords(e,t,n){return this.radius=Math.sqrt(e*e+t*t+n*n),this.radius===0?(this.theta=0,this.phi=0):(this.theta=Math.atan2(e,n),this.phi=Math.acos($e(t/this.radius,-1,1))),this}clone(){return new this.constructor().copy(this)}}class jE{constructor(e=1,t=0,n=0){this.radius=e,this.theta=t,this.y=n}set(e,t,n){return this.radius=e,this.theta=t,this.y=n,this}copy(e){return this.radius=e.radius,this.theta=e.theta,this.y=e.y,this}setFromVector3(e){return this.setFromCartesianCoords(e.x,e.y,e.z)}setFromCartesianCoords(e,t,n){return this.radius=Math.sqrt(e*e+n*n),this.theta=Math.atan2(e,n),this.y=t,this}clone(){return new this.constructor().copy(this)}}const af=class af{constructor(e,t,n,r){this.elements=[1,0,0,1],e!==void 0&&this.set(e,t,n,r)}identity(){return this.set(1,0,0,1),this}fromArray(e,t=0){for(let n=0;n<4;n++)this.elements[n]=e[n+t];return this}set(e,t,n,r){const s=this.elements;return s[0]=e,s[2]=t,s[1]=n,s[3]=r,this}};af.prototype.isMatrix2=!0;let wh=af;const Lp=new j;class QE{constructor(e=new j(1/0,1/0),t=new j(-1/0,-1/0)){this.isBox2=!0,this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromPoints(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){const n=Lp.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(n),this.max.copy(e).add(n),this}clone(){return new this.constructor().copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.max),this}makeEmpty(){return this.min.x=this.min.y=1/0,this.max.x=this.max.y=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y}getCenter(e){return this.isEmpty()?e.set(0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(e){return this.isEmpty()?e.set(0,0):e.subVectors(this.max,this.min)}expandByPoint(e){return this.min.min(e),this.max.max(e),this}expandByVector(e){return this.min.sub(e),this.max.add(e),this}expandByScalar(e){return this.min.addScalar(-e),this.max.addScalar(e),this}containsPoint(e){return e.x>=this.min.x&&e.x<=this.max.x&&e.y>=this.min.y&&e.y<=this.max.y}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y))}intersectsBox(e){return e.max.x>=this.min.x&&e.min.x<=this.max.x&&e.max.y>=this.min.y&&e.min.y<=this.max.y}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,Lp).distanceTo(e)}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}}const Np=new P,el=new P,us=new P,hs=new P,Gu=new P,eT=new P,tT=new P;class nT{constructor(e=new P,t=new P){this.start=e,this.end=t}set(e,t){return this.start.copy(e),this.end.copy(t),this}copy(e){return this.start.copy(e.start),this.end.copy(e.end),this}getCenter(e){return e.addVectors(this.start,this.end).multiplyScalar(.5)}delta(e){return e.subVectors(this.end,this.start)}distanceSq(){return this.start.distanceToSquared(this.end)}distance(){return this.start.distanceTo(this.end)}at(e,t){return this.delta(t).multiplyScalar(e).add(this.start)}closestPointToPointParameter(e,t){Np.subVectors(e,this.start),el.subVectors(this.end,this.start);const n=el.dot(el);if(n===0)return 0;let s=el.dot(Np)/n;

5return t&&(s=$e(s,0,1)),s}closestPointToPoint(e,t,n){const r=this.closestPointToPointParameter(e,t);return this.delta(n).multiplyScalar(r).add(this.start)}distanceSqToLine3(e,t=eT,n=tT){const r=10000000000000001e-32;let s,a;const o=this.start,l=e.start,c=this.end,u=e.end;us.subVectors(c,o),hs.subVectors(u,l),Gu.subVectors(o,l);const h=us.dot(us),d=hs.dot(hs),f=hs.dot(Gu);if(h<=r&&d<=r)return t.copy(o),n.copy(l),t.sub(n),t.dot(t);if(h<=r)s=0,a=f/d,a=$e(a,0,1);else{const p=us.dot(Gu);if(d<=r)a=0,s=$e(-p/h,0,1);else{const _=us.dot(hs),g=h*d-_*_;g!==0?s=$e((_*f-p*d)/g,0,1):s=0,a=(_*s+f)/d,a<0?(a=0,s=$e(-p/h,0,1)):a>1&&(a=1,s=$e((_-p)/h,0,1))}}return t.copy(o).addScaledVector(us,s),n.copy(l).addScaledVector(hs,a),t.distanceToSquared(n)}applyMatrix4(e){return this.start.applyMatrix4(e),this.end.applyMatrix4(e),this}equals(e){return e.start.equals(this.start)&&e.end.equals(this.end)}clone(){return new this.constructor().copy(this)}}const Dp=new P;class iT extends pt{constructor(e,t){super(),this.light=e,this.matrixAutoUpdate=!1,this.color=t,this.type="SpotLightHelper";const n=new et,r=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let a=0,o=1,l=32;a<l;a++,o++){const c=a/l*Math.PI*2,u=o/l*Math.PI*2;r.push(Math.cos(c),Math.sin(c),1,Math.cos(u),Math.sin(u),1)}n.setAttribute("position",new Pe(r,3));const s=new bn({fog:!1,toneMapped:!1});this.cone=new vi(n,s),this.add(this.cone),this.update()}dispose(){this.cone.geometry.dispose(),this.cone.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),this.light.target.updateWorldMatrix(!0,!1),this.parent?(this.parent.updateWorldMatrix(!0),this.matrix.copy(this.parent.matrixWorld).invert().multiply(this.light.matrixWorld)):this.matrix.copy(this.light.matrixWorld),this.matrixWorld.copy(this.light.matrixWorld);const e=this.light.distance?this.light.distance:1e3,t=e*Math.tan(this.light.angle);this.cone.scale.set(t,t,e),Dp.setFromMatrixPosition(this.light.target.matrixWorld),this.cone.lookAt(Dp),this.color!==void 0?this.cone.material.color.set(this.color):this.cone.material.color.copy(this.light.color)}}const Xi=new P,tl=new We,Wu=new We;class rT extends vi{constructor(e){const t=d0(e),n=new et,r=[],s=[];for(let c=0;c<t.length;c++){const u=t[c];u.parent&&u.parent.isBone&&(r.push(0,0,0),r.push(0,0,0),s.push(0,0,0),s.push(0,0,0))}n.setAttribute("position",new Pe(r,3)),n.setAttribute("color",new Pe(s,3));const a=new bn({vertexColors:!0,depthTest:!1,depthWrite:!1,toneMapped:!1,transparent:!0});super(n,a),this.isSkeletonHelper=!0,this.type="SkeletonHelper",this.root=e,this.bones=t,this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1;const o=new Ee(255),l=new Ee(65280);this.setColors(o,l)}updateMatrixWorld(e){const t=this.bones,n=this.geometry,r=n.getAttribute("position");Wu.copy(this.root.matrixWorld).invert();for(let s=0,a=0;s<t.length;s++){const o=t[s];o.parent&&o.parent.isBone&&(tl.multiplyMatrices(Wu,o.matrixWorld),Xi.setFromMatrixPosition(tl),r.setXYZ(a,Xi.x,Xi.y,Xi.z),tl.multiplyMatrices(Wu,o.parent.matrixWorld),Xi.setFromMatrixPosition(tl),r.setXYZ(a+1,Xi.x,Xi.y,Xi.z),a+=2)}n.getAttribute("position").needsUpdate=!0,super.updateMatrixWorld(e)}setColors(e,t){const r=this.geometry.getAttribute("color");for(let s=0;s<r.count;s+=2)r.setXYZ(s,e.r,e.g,e.b),r.setXYZ(s+1,t.r,t.g,t.b);return r.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}function d0(i){const e=[];i.isBone===!0&&e.push(i);for(let t=0;t<i.children.length;t++)e.push(...d0(i.children[t]));return e}class sT extends Dt{constructor(e,t,n){const r=new qs(t,4,2),s=new Oi({wireframe:!0,fog:!1,toneMapped:!1});super(r,s),this.light=e,this.color=n,this.type="PointLightHelper",this.matrix=this.light.matrixWorld,this.matrixAutoUpdate=!1,this.update()}dispose(){this.geometry.dispose(),this.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),this.color!==void 0?this.material.color.set(this.color):this.material.color.copy(this.light.color)}}const aT=new P,Op=new Ee,Up=new Ee;class oT extends pt{constructor(e,t,n){super(),this.light=e,this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.color=n,this.type="HemisphereLightHelper";const r=new uo(t);r.rotateY(Math.PI*.5),this.material=new Oi({wireframe:!0,fog:!1,toneMapped:!1}),this.color===void 0&&(this.material.vertexColors=!0);const s=r.getAttribute("position"),a=new Float32Array(s.count*3);r.setAttribute("color",new ut(a,3)),this.add(new Dt(r,this.material)),this.update()}dispose(){this.children[0].geometry.dispose(),this.children[0].material.dispose()}update(){const e=this.children[0];if(this.color!==void 0)this.material.color.set(this.color);else{const t=e.geometry.getAttribute("color");Op.copy(this.light.color),Up.copy(this.light.groundColor);for(let n=0,r=t.count;n<r;n++){const s=n<r/2?Op:Up;t.setXYZ(n,s.r,s.g,s.b)}t.needsUpdate=!0}this.light.updateWorldMatrix(!0,!1),e.lookAt(aT.setFromMatrixPosition(this.light.matrixWorld).negate())}}class lT extends vi{constructor(e=10,t=10,n=4473924,r=8947848){n=new Ee(n),r=new Ee(r);const s=t/2,a=e/t,o=e/2,l=[],c=[];for(let d=0,f=0,p=-o;d<=t;

5d++,p+=a){l.push(-o,0,p,o,0,p),l.push(p,0,-o,p,0,o);const _=d===s?n:r;_.toArray(c,f),f+=3,_.toArray(c,f),f+=3,_.toArray(c,f),f+=3,_.toArray(c,f),f+=3}const u=new et;u.setAttribute("position",new Pe(l,3)),u.setAttribute("color",new Pe(c,3));const h=new bn({vertexColors:!0,toneMapped:!1});super(u,h),this.type="GridHelper"}dispose(){this.geometry.dispose(),this.material.dispose()}}class cT extends vi{constructor(e=10,t=16,n=8,r=64,s=4473924,a=8947848){s=new Ee(s),a=new Ee(a);const o=[],l=[];if(t>1)for(let h=0;h<t;h++){const d=h/t*(Math.PI*2),f=Math.sin(d)*e,p=Math.cos(d)*e;o.push(0,0,0),o.push(f,0,p);const _=h&1?s:a;l.push(_.r,_.g,_.b),l.push(_.r,_.g,_.b)}for(let h=0;h<n;h++){const d=h&1?s:a,f=e-e/n*h;for(let p=0;p<r;p++){let _=p/r*(Math.PI*2),g=Math.sin(_)*f,m=Math.cos(_)*f;o.push(g,0,m),l.push(d.r,d.g,d.b),_=(p+1)/r*(Math.PI*2),g=Math.sin(_)*f,m=Math.cos(_)*f,o.push(g,0,m),l.push(d.r,d.g,d.b)}}const c=new et;c.setAttribute("position",new Pe(o,3)),c.setAttribute("color",new Pe(l,3));const u=new bn({vertexColors:!0,toneMapped:!1});super(c,u),this.type="PolarGridHelper"}dispose(){this.geometry.dispose(),this.material.dispose()}}const Fp=new P,nl=new P,Bp=new P;class uT extends pt{constructor(e,t,n){super(),this.light=e,this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.color=n,this.type="DirectionalLightHelper",t===void 0&&(t=1);let r=new et;r.setAttribute("position",new Pe([-t,t,0,t,t,0,t,-t,0,-t,-t,0,-t,t,0],3));const s=new bn({fog:!1,toneMapped:!1});this.lightPlane=new ir(r,s),this.add(this.lightPlane),r=new et,r.setAttribute("position",new Pe([0,0,0,0,0,1],3)),this.targetLine=new ir(r,s),this.add(this.targetLine),this.update()}dispose(){this.lightPlane.geometry.dispose(),this.lightPlane.material.dispose(),this.targetLine.geometry.dispose(),this.targetLine.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),this.light.target.updateWorldMatrix(!0,!1),Fp.setFromMatrixPosition(this.light.matrixWorld),nl.setFromMatrixPosition(this.light.target.matrixWorld),Bp.subVectors(nl,Fp),this.lightPlane.lookAt(nl),this.color!==void 0?(this.lightPlane.material.color.set(this.color),this.targetLine.material.color.set(this.color)):(this.lightPlane.material.color.copy(this.light.color),this.targetLine.material.color.copy(this.light.color)),this.targetLine.lookAt(nl),this.targetLine.scale.z=Bp.length()}}const il=new P,kt=new eu;class hT extends vi{constructor(e){const t=new et,n=new bn({color:16777215,vertexColors:!0,toneMapped:!1}),r=[],s=[],a={};o("n1","n2"),o("n2","n4"),o("n4","n3"),o("n3","n1"),o("f1","f2"),o("f2","f4"),o("f4","f3"),o("f3","f1"),o("n1","f1"),o("n2","f2"),o("n3","f3"),o("n4","f4"),o("p","n1"),o("p","n2"),o("p","n3"),o("p","n4"),o("u1","u2"),o("u2","u3"),o("u3","u1"),o("c","t"),o("p","c"),o("cn1","cn2"),o("cn3","cn4"),o("cf1","cf2"),o("cf3","cf4");function o(p,_){l(p),l(_)}

5function l(p){r.push(0,0,0),s.push(0,0,0),a[p]===void 0&&(a[p]=[]),a[p].push(r.length/3-1)}t.setAttribute("position",new Pe(r,3)),t.setAttribute("color",new Pe(s,3)),super(t,n),this.type="CameraHelper",this.camera=e,this.camera.updateProjectionMatrix&&this.camera.updateProjectionMatrix(),this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.pointMap=a,this.update();const c=new Ee(16755200),u=new Ee(16711680),h=new Ee(43775),d=new Ee(16777215),f=new Ee(3355443);this.setColors(c,u,h,d,f)}setColors(e,t,n,r,s){const o=this.geometry.getAttribute("color");return o.setXYZ(0,e.r,e.g,e.b),o.setXYZ(1,e.r,e.g,e.b),o.setXYZ(2,e.r,e.g,e.b),o.setXYZ(3,e.r,e.g,e.b),o.setXYZ(4,e.r,e.g,e.b),o.setXYZ(5,e.r,e.g,e.b),o.setXYZ(6,e.r,e.g,e.b),o.setXYZ(7,e.r,e.g,e.b),o.setXYZ(8,e.r,e.g,e.b),o.setXYZ(9,e.r,e.g,e.b),o.setXYZ(10,e.r,e.g,e.b),o.setXYZ(11,e.r,e.g,e.b),o.setXYZ(12,e.r,e.g,e.b),o.setXYZ(13,e.r,e.g,e.b),o.setXYZ(14,e.r,e.g,e.b),o.setXYZ(15,e.r,e.g,e.b),o.setXYZ(16,e.r,e.g,e.b),o.setXYZ(17,e.r,e.g,e.b),o.setXYZ(18,e.r,e.g,e.b),o.setXYZ(19,e.r,e.g,e.b),o.setXYZ(20,e.r,e.g,e.b),o.setXYZ(21,e.r,e.g,e.b),o.setXYZ(22,e.r,e.g,e.b),o.setXYZ(23,e.r,e.g,e.b),o.setXYZ(24,t.r,t.g,t.b),o.setXYZ(25,t.r,t.g,t.b),o.setXYZ(26,t.r,t.g,t.b),o.setXYZ(27,t.r,t.g,t.b),o.setXYZ(28,t.r,t.g,t.b),o.setXYZ(29,t.r,t.g,t.b),o.setXYZ(30,t.r,t.g,t.b),o.setXYZ(31,t.r,t.g,t.b),o.setXYZ(32,n.r,n.g,n.b),o.setXYZ(33,n.r,n.g,n.b),o.setXYZ(34,n.r,n.g,n.b),o.setXYZ(35,n.r,n.g,n.b),o.setXYZ(36,n.r,n.g,n.b),o.setXYZ(37,n.r,n.g,n.b),o.setXYZ(38,r.r,r.g,r.b),o.setXYZ(39,r.r,r.g,r.b),o.setXYZ(40,s.r,s.g,s.b),o.setXYZ(41,s.r,s.g,s.b),o.setXYZ(42,s.r,s.g,s.b),o.setXYZ(43,s.r,s.g,s.b),o.setXYZ(44,s.r,s.g,s.b),o.setXYZ(45,s.r,s.g,s.b),o.setXYZ(46,s.r,s.g,s.b),o.setXYZ(47,s.r,s.g,s.b),o.setXYZ(48,s.r,s.g,s.b),o.setXYZ(49,s.r,s.g,s.b),o.needsUpdate=!0,this}update(){const e=this.geometry,t=this.pointMap,n=1,r=1;let s,a;if(kt.projectionMatrixInverse.copy(this.camera.projectionMatrixInverse),this.camera.reversedDepth===!0)s=1,a=0;else if(this.camera.coordinateSystem===Un)s=-1,a=1;else if(this.camera.coordinateSystem===Ur)s=0,a=1;else throw new Error("THREE.CameraHelper.update(): Invalid coordinate system: "+this.camera.coordinateSystem);Gt("c",t,e,kt,0,0,s),Gt("t",t,e,kt,0,0,a),Gt("n1",t,e,kt,-n,-r,s),Gt("n2",t,e,kt,n,-r,s),Gt("n3",t,e,kt,-n,r,s),Gt("n4",t,e,kt,n,r,s),Gt("f1",t,e,kt,-n,-r,a),Gt("f2",t,e,kt,n,-r,a),Gt("f3",t,e,kt,-n,r,a),Gt("f4",t,e,kt,n,r,a),Gt("u1",t,e,kt,n*.7,r*1.1,s),Gt("u2",t,e,kt,-n*.7,r*1.1,s),Gt("u3",t,e,kt,0,r*2,s),Gt("cf1",t,e,kt,-n,0,a),Gt("cf2",t,e,kt,n,0,a),Gt("cf3",t,e,kt,0,-r,a),Gt("cf4",t,e,kt,0,r,a),Gt("cn1",t,e,kt,-n,0,s),Gt("cn2",t,e,kt,n,0,s),Gt("cn3",t,e,kt,0,-r,s),Gt("cn4",t,e,kt,0,r,s),e.getAttribute("position").needsUpdate=!0}dispose(){this.geometry.dispose(),this.material.dispose()}}function Gt(i,e,t,n,r,s,a){il.set(r,s,a).unproject(n);const o=e[i];if(o!==void 0){const l=t.getAttribute("position");for(let c=0,u=o.length;c<u;c++)l.setXYZ(o[c],il.x,il.y,il.z)}}const rl=new hn;class dT extends vi{constructor(e,t=16776960){const n=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),r=new Float32Array(24),s=new et;s.setIndex(new ut(n,1)),s.setAttribute("position",new ut(r,3)),super(s,new bn({color:t,toneMapped:!1})),this.object=e,this.type="BoxHelper",this.matrixAutoUpdate=!1,this.update()}update(){if(this.object!==void 0&&rl.setFromObject(this.object),rl.isEmpty())return;const e=rl.min,t=rl.max,n=this.geometry.attributes.position,r=n.array;r[0]=t.x,r[1]=t.y,r[2]=t.z,r[3]=e.x,r[4]=t.y,r[5]=t.z,r[6]=e.x,r[7]=e.y,r[8]=t.z,r[9]=t.x,r[10]=e.y,r[11]=t.z,r[12]=t.x,r[13]=t.y,r[14]=e.z,r[15]=e.x,r[16]=t.y,r[17]=e.z,r[18]=e.x,r[19]=e.y,r[20]=e.z,r[21]=t.x,r[22]=e.y,r[23]=e.z,n.needsUpdate=!0,this.geometry.computeBoundingSphere()}setFromObject(e){return this.object=e,this.update(),this}copy(e,t){return super.copy(e,t),this.object=e.object,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class fT extends vi{constructor(e,t=16776960){const n=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),r=[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,-1,1,-1,-1,-1,-1,1,-1,-1],s=new et;s.setIndex(new ut(n,1)),s.setAttribute("position",new Pe(r,3)),super(s,new bn({color:t,toneMapped:!1})),this.box=e,this.type="Box3Helper",this.geometry.computeBoundingSphere()}updateMatrixWorld(e){const t=this.box;t.isEmpty()||(t.getCenter(this.position),t.getSize(this.scale),this.scale.multiplyScalar(.5),super.updateMatrixWorld(e))}dispose(){this.geometry.dispose(),this.material.dispose()}}class pT extends ir{constructor(e,t=1,n=16776960){const r=n,s=[1,-1,0,-1,1,0,-1,-1,0,1,1,0,-1,1,0,-1,-1,0,1,-1,0,1,1,0],a=new et;a.setAttribute("position",new Pe(s,3)),a.computeBoundingSphere(),super(a,new bn({color:r,toneMapped:!1})),this.type="PlaneHelper",this.plane=e,this.size=t;const o=[1,1,0,-1,1,0,-1,-1,0,1,1,0,-1,-1,0,1,-1,0],l=new et;l.setAttribute("position",new Pe(o,3)),l.computeBoundingSphere(),this.add(new Dt(l,new Oi({color:r,opacity:.2,transparent:!0,depthWrite:!1,toneMapped:!1})))}updateMatrixWorld(e){this.position.set(0,0,0),this.scale.set(.5*this.size,.5*this.size,1),this.lookAt(this.plane.normal),this.translateZ(-this.plane.constant),super.updateMatrixWorld(e)}dispose(){this.geometry.dispose(),this.material.dispose(),this.children[0].geometry.dispose(),this.children[0].material.dispose()}}const kp=new P;let sl,Xu;class mT extends pt{constructor(e=new P(0,0,1),t=new P(0,0,0),n=1,r=16776960,s=n*.2,a=s*.2){super(),this.type="ArrowHelper",sl===void 0&&(sl=new et,sl.setAttribute("position",new Pe([0,0,0,0,1,0],3)),Xu=new co(.5,1,5,1),Xu.translate(0,-.5,0)),this.position.copy(t),this.line=new ir(sl,new bn({color:r,toneMapped:!1})),this.line.matrixAutoUpdate=!1,this.add(this.line),this.cone=new Dt(Xu,new Oi({color:r,toneMapped:!1})),this.cone.matrixAutoUpdate=!1,this.add(this.cone),this.setDirection(e),this.setLength(n,s,a)}setDirection(e){if(e.y>.99999)this.quaternion.set(0,0,0,1);else if(e.y<-.99999)this.quaternion.set(1,0,0,0);else{kp.set(e.z,0,-e.x).normalize();const t=Math.acos(e.y);this.quaternion.setFromAxisAngle(kp,t)}}setLength(e,t=e*.2,n=t*.2){this.line.scale.set(1,Math.max(1e-4,e-t),1),this.line.updateMatrix(),this.cone.scale.set(n,t,n),this.cone.position.y=e,this.cone.updateMatrix()}setColor(e){this.line.material.color.set(e),this.cone.material.color.set(e)}copy(e){return super.copy(e,!1),this.line.copy(e.line),this.cone.copy(e.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}}class gT extends vi{constructor(e=1){const t=[0,0,0,e,0,0,0,0,0,0,e,0,0,0,0,0,0,e],n=[1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],r=new et;r.setAttribute("position",new Pe(t,3)),r.setAttribute("color",new Pe(n,3));const s=new bn({vertexColors:!0,toneMapped:!1});super(r,s),this.type="AxesHelper"}

5setColors(e,t,n){const r=new Ee,s=this.geometry.attributes.color.array;return r.set(e),r.toArray(s,0),r.toArray(s,3),r.set(t),r.toArray(s,6),r.toArray(s,9),r.set(n),r.toArray(s,12),r.toArray(s,15),this.geometry.attributes.color.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}}class _T{constructor(){this.type="ShapePath",this.color=new Ee,this.subPaths=[],this.currentPath=null}moveTo(e,t){return this.currentPath=new hc,this.subPaths.push(this.currentPath),this.currentPath.moveTo(e,t),this}lineTo(e,t){return this.currentPath.lineTo(e,t),this}quadraticCurveTo(e,t,n,r){return this.currentPath.quadraticCurveTo(e,t,n,r),this}bezierCurveTo(e,t,n,r,s,a){return this.currentPath.bezierCurveTo(e,t,n,r,s,a),this}splineThru(e){return this.currentPath.splineThru(e),this}toShapes(e){function t(m){const v=[];for(let b=0,y=m.length;b<y;b++){const T=m[b],S=new Lr;S.curves=T.curves,v.push(S)}return v}function n(m,v){const b=v.length;let y=!1;for(let T=b-1,S=0;S<b;T=S++){let R=v[T],x=v[S],M=x.x-R.x,A=x.y-R.y;if(Math.abs(A)>Number.EPSILON){if(A<0&&(R=v[S],M=-M,x=v[T],A=-A),m.y<R.y||m.y>x.y)continue;if(m.y===R.y){if(m.x===R.x)return!0}else{const I=A*(m.x-R.x)-M*(m.y-R.y);if(I===0)return!0;if(I<0)continue;y=!y}}else{if(m.y!==R.y)continue;if(x.x<=m.x&&m.x<=R.x||R.x<=m.x&&m.x<=x.x)return!0}}return y}const r=Qn.isClockWise,s=this.subPaths;if(s.length===0)return[];let a,o,l;const c=[];if(s.length===1)return o=s[0],l=new Lr,l.curves=o.curves,c.push(l),c;let u=!r(s[0].getPoints());u=e?!u:u;const h=[],d=[];let f=[],p=0,_;d[p]=void 0,f[p]=[];for(let m=0,v=s.length;m<v;m++)o=s[m],_=o.getPoints(),a=r(_),a=e?!a:a,a?(!u&&d[p]&&p++,d[p]={s:new Lr,p:_},d[p].s.curves=o.curves,u&&p++,f[p]=[]):f[p].push({h:o,p:_[0]});if(!d[0])return t(s);if(d.length>1){let m=!1,v=0;for(let b=0,y=d.length;b<y;b++)h[b]=[];for(let b=0,y=d.length;b<y;b++){const T=f[b];for(let S=0;S<T.length;S++){const R=T[S];let x=!0;for(let M=0;M<d.length;M++)n(R.p,d[M].p)&&(b!==M&&v++,x?(x=!1,h[M].push(R)):m=!0);x&&h[b].push(R)}}v>0&&m===!1&&(f=h)}let g;for(let m=0,v=d.length;m<v;m++){l=d[m].s,c.push(l),g=f[m];for(let b=0,y=g.length;b<y;b++)l.holes.push(g[b].h)}return c}}class vT extends ii{constructor(e,t=null){super(),this.object=e,this.domElement=t,this.enabled=!0,this.state=-1,this.keys={},this.mouseButtons={LEFT:null,MIDDLE:null,RIGHT:null},this.touches={ONE:null,TWO:null}}connect(e){if(e===void 0){_e("Controls: connect() now requires an element.");return}this.domElement!==null&&this.disconnect(),this.domElement=e}disconnect(){}dispose(){}update(){}}function xT(i,e){const t=i.image&&i.image.width?i.image.width/i.image.height:1;return t>e?(i.repeat.x=1,i.repeat.y=t/e,i.offset.x=0,i.offset.y=(1-i.repeat.y)/2):(i.repeat.x=e/t,i.repeat.y=1,i.offset.x=(1-i.repeat.x)/2,i.offset.y=0),i}function yT(i,e){const t=i.image&&i.image.width?i.image.width/i.image.height:1;return t>e?(i.repeat.x=e/t,i.repeat.y=1,i.offset.x=(1-i.repeat.x)/2,i.offset.y=0):(i.repeat.x=1,i.repeat.y=t/e,i.offset.x=0,i.offset.y=(1-i.repeat.y)/2),i}function bT(i){return i.repeat.x=1,i.repeat.y=1,i.offset.x=0,i.offset.y=0,i}function Ah(i,e,t,n){const r=ST(n);switch(t){case fd:return i*e;case wc:return i*e/r.components*r.byteLength;case so:return i*e/r.components*r.byteLength;case er:return i*e*2/r.components*r.byteLength;case Ac:return i*e*2/r.components*r.byteLength;case pd:return i*e*3/r.components*r.byteLength;case xn:return i*e*4/r.components*r.byteLength;case Cc:return i*e*4/r.components*r.byteLength;case Ma:case Ea:return Math.floor((i+3)/4)*Math.floor((e+3)/4)*8;case Ta:case wa:return Math.floor((i+3)/4)*Math.floor((e+3)/4)*16;case Il:case Ll:return Math.max(i,16)*Math.max(e,8)/4;case Rl:case Pl:return Math.max(i,8)*Math.max(e,8)/2;case Nl:case Dl:case Ul:case Fl:return Math.floor((i+3)/4)*Math.floor((e+3)/4)*8;case Ol:case Ba:case Bl:return Math.floor((i+3)/4)*Math.floor((e+3)/4)*16;case kl:return Math.floor((i+3)/4)*Math.floor((e+3)/4)*16;case Vl:return Math.floor((i+4)/5)*Math.floor((e+3)/4)*16;case zl:return Math.floor((i+4)/5)*Math.floor((e+4)/5)*16;case Hl:return Math.floor((i+5)/6)*Math.floor((e+4)/5)*16;case Gl:return Math.floor((i+5)/6)*Math.floor((e+5)/6)*16;case Wl:return Math.floor((i+7)/8)*Math.floor((e+4)/5)*16;case Xl:return Math.floor((i+7)/8)*Math.floor((e+5)/6)*16;case ql:return Math.floor((i+7)/8)*Math.floor((e+7)/8)*16;case $l:return Math.floor((i+9)/10)*Math.floor((e+4)/5)*16;case Yl:return Math.floor((i+9)/10)*Math.floor((e+5)/6)*16;case Zl:return Math.floor((i+9)/10)*Math.floor((e+7)/8)*16;case Kl:return Math.floor((i+9)/10)*Math.floor((e+9)/10)*16;case Jl:return Math.floor((i+11)/12)*Math.floor((e+9)/10)*16;case jl:return Math.floor((i+11)/12)*Math.floor((e+11)/12)*16;case Ql:case ec:case tc:return Math.ceil(i/4)*Math.ceil(e/4)*16;case nc:case ic:return Math.ceil(i/4)*Math.ceil(e/4)*8;case ka:case rc:return Math.ceil(i/4)*Math.ceil(e/4)*16}throw new Error(`Unable to determine texture byte length for ${t} format.`)}function ST(i){switch(i){case wn:case cd:return{byteLength:1,components:1};case Is:case ud:case gi:return{byteLength:2,components:1};case Ec:case Tc:return{byteLength:2,components:4};case Gn:case Mc:case vn:return{byteLength:4,components:1};case hd:case dd:return{byteLength:4,components:3}}throw new Error(`Unknown texture type ${i}.`)}class MT{static contain(e,t){return xT(e,t)}static cover(e,t){return yT(e,t)}static fill(e){return bT(e)}static getByteLength(e,t,n,r){return Ah(e,t,n,r)}}typeof __THREE_DEVTOOLS__<"u"&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("register",{detail:{revision:io}}));typeof window<"u"&&(window.__THREE__?_e("WARNING: Multiple instances of Three.js being imported."):window.__THREE__=io);function f0(){let i=null,e=!1,t=null,n=null;function r(s,a){t(s,a),n=i.requestAnimationFrame(r)}return{start:function(){e!==!0&&t!==null&&i!==null&&(n=i.requestAnimationFrame(r),e=!0)},stop:function(){i!==null&&i.cancelAnimationFrame(n),e=!1},setAnimationLoop:function(s){t=s},setContext:function(s){i=s}}}function ET(i){const e=new WeakMap;function t(o,l){const c=o.array,u=o.usage,h=c.byteLength,d=i.createBuffer();i.bindBuffer(l,d),i.bufferData(l,c,u),o.onUploadCallback();let f;if(c instanceof Float32Array)f=i.FLOAT;else if(typeof Float16Array<"u"&&c instanceof Float16Array)f=i.HALF_FLOAT;else if(c instanceof Uint16Array)o.isFloat16BufferAttribute?f=i.HALF_FLOAT:f=i.UNSIGNED_SHORT;else if(c instanceof Int16Array)f=i.SHORT;else if(c instanceof Uint32Array)f=i.UNSIGNED_INT;else if(c instanceof Int32Array)f=i.INT;else if(c instanceof Int8Array)f=i.BYTE;else if(c instanceof Uint8Array)f=i.UNSIGNED_BYTE;else if(c instanceof Uint8ClampedArray)f=i.UNSIGNED_BYTE;else throw new Error("THREE.WebGLAttributes: Unsupported buffer data format: "+c);return{buffer:d,type:f,bytesPerElement:c.BYTES_PER_ELEMENT,version:o.version,size:h}}function n(o,l,c){const u=l.array,h=l.updateRanges;if(i.bindBuffer(c,o),h.length===0)i.bufferSubData(c,0,u);else{h.sort((f,p)=>f.start-p.start);let d=0;for(let f=1;f<h.length;f++){const p=h[d],_=h[f];_.start<=p.start+p.count+1?p.count=Math.max(p.count,_.start+_.count-p.start):(++d,h[d]=_)}h.length=d+1;for(let f=0,p=h.length;f<p;f++){const _=h[f];i.bufferSubData(c,_.start*u.BYTES_PER_ELEMENT,u,_.start,_.count)}l.clearUpdateRanges()}l.onUploadCallback()}function r(o){return o.isInterleavedBufferAttribute&&(o=o.data),e.get(o)}function s(o){o.isInterleavedBufferAttribute&&(o=o.data);const l=e.get(o);l&&(i.deleteBuffer(l.buffer),e.delete(o))}function a(o,l){if(o.isInterleavedBufferAttribute&&(o=o.data),o.isGLBufferAttribute){const u=e.get(o);(!u||u.version<o.version)&&e.set(o,{buffer:o.buffer,type:o.type,bytesPerElement:o.elementSize,version:o.version});return}const c=e.get(o);if(c===void 0)e.set(o,t(o,l));else if(c.version<o.version){if(c.size!==o.array.byteLength)throw new Error("THREE.WebGLAttributes: The size of the buffer attribute's array buffer does not match the original size. Resizing buffer attributes is not supported.");n(c.buffer,o,l),c.version=o.version}}return{get:r,remove:s,update:a}}var TT=`#ifdef USE_ALPHAHASH
6	if ( diffuseColor.a < getAlphaHashThreshold( vPosition ) ) discard;
7#endif`,wT=`#ifdef USE_ALPHAHASH
8	const float ALPHA_HASH_SCALE = 0.05;
9	float hash2D( vec2 value ) {
10		return fract( 1.0e4 * sin( 17.0 * value.x + 0.1 * value.y ) * ( 0.1 + abs( sin( 13.0 * value.y + value.x ) ) ) );
11	}
12	float hash3D( vec3 value ) {
13		return hash2D( vec2( hash2D( value.xy ), value.z ) );
14	}
15	float getAlphaHashThreshold( vec3 position ) {
16		float maxDeriv = max(
17			length( dFdx( position.xyz ) ),
18			length( dFdy( position.xyz ) )
19		);
20		float pixScale = 1.0 / ( ALPHA_HASH_SCALE * maxDeriv );
21		vec2 pixScales = vec2(
22			exp2( floor( log2( pixScale ) ) ),
23			exp2( ceil( log2( pixScale ) ) )
24		);
25		vec2 alpha = vec2(
26			hash3D( floor( pixScales.x * position.xyz ) ),
27			hash3D( floor( pixScales.y * position.xyz ) )
28		);
29		float lerpFactor = fract( log2( pixScale ) );
30		float x = ( 1.0 - lerpFactor ) * alpha.x + lerpFactor * alpha.y;
31		float a = min( lerpFactor, 1.0 - lerpFactor );
32		vec3 cases = vec3(
33			x * x / ( 2.0 * a * ( 1.0 - a ) ),
34			( x - 0.5 * a ) / ( 1.0 - a ),
35			1.0 - ( ( 1.0 - x ) * ( 1.0 - x ) / ( 2.0 * a * ( 1.0 - a ) ) )
36		);
37		float threshold = ( x < ( 1.0 - a ) )
38			? ( ( x < a ) ? cases.x : cases.y )
39			: cases.z;
40		return clamp( threshold , 1.0e-6, 1.0 );
41	}
42#endif`,AT=`#ifdef USE_ALPHAMAP
43	diffuseColor.a *= texture2D( alphaMap, vAlphaMapUv ).g;
44#endif`,CT=`#ifdef USE_ALPHAMAP
45	uniform sampler2D alphaMap;
46#endif`,RT=`#ifdef USE_ALPHATEST
47	#ifdef ALPHA_TO_COVERAGE
48	diffuseColor.a = smoothstep( alphaTest, alphaTest + fwidth( diffuseColor.a ), diffuseColor.a );
49	if ( diffuseColor.a == 0.0 ) discard;
50	#else
51	if ( diffuseColor.a < alphaTest ) discard;
52	#endif
53#endif`,IT=`#ifdef USE_ALPHATEST
54	uniform float alphaTest;
55#endif`,PT=`#ifdef USE_AOMAP
56	float ambientOcclusion = ( texture2D( aoMap, vAoMapUv ).r - 1.0 ) * aoMapIntensity + 1.0;
57	reflectedLight.indirectDiffuse *= ambientOcclusion;
58	#if defined( USE_CLEARCOAT ) 
59		clearcoatSpecularIndirect *= ambientOcclusion;
60	#endif
61	#if defined( USE_SHEEN ) 
62		sheenSpecularIndirect *= ambientOcclusion;
63	#endif
64	#if defined( USE_ENVMAP ) && defined( STANDARD )

65		float dotNV = saturate( dot( geometryNormal, geometryViewDir ) );
66		reflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );
67	#endif
68#endif`,LT=`#ifdef USE_AOMAP
69	uniform sampler2D aoMap;
70	uniform float aoMapIntensity;
71#endif`,NT=`#ifdef USE_BATCHING
72	#if ! defined( GL_ANGLE_multi_draw )
73	#define gl_DrawID _gl_DrawID
74	uniform int _gl_DrawID;
75	#endif
76	uniform highp sampler2D batchingTexture;
77	uniform highp usampler2D batchingIdTexture;
78	mat4 getBatchingMatrix( const in float i ) {
79		int size = textureSize( batchingTexture, 0 ).x;
80		int j = int( i ) * 4;
81		int x = j % size;
82		int y = j / size;
83		vec4 v1 = texelFetch( batchingTexture, ivec2( x, y ), 0 );
84		vec4 v2 = texelFetch( batchingTexture, ivec2( x + 1, y ), 0 );
85		vec4 v3 = texelFetch( batchingTexture, ivec2( x + 2, y ), 0 );
86		vec4 v4 = texelFetch( batchingTexture, ivec2( x + 3, y ), 0 );
87		return mat4( v1, v2, v3, v4 );
88	}
89	float getIndirectIndex( const in int i ) {
90		int size = textureSize( batchingIdTexture, 0 ).x;
91		int x = i % size;
92		int y = i / size;
93		return float( texelFetch( batchingIdTexture, ivec2( x, y ), 0 ).r );
94	}
95#endif
96#ifdef USE_BATCHING_COLOR
97	uniform sampler2D batchingColorTexture;
98	vec4 getBatchingColor( const in float i ) {
99		int size = textureSize( batchingColorTexture, 0 ).x;
100		int j = int( i );
101		int x = j % size;
102		int y = j / size;
103		return texelFetch( batchingColorTexture, ivec2( x, y ), 0 );
104	}
105#endif`,DT=`#ifdef USE_BATCHING
106	mat4 batchingMatrix = getBatchingMatrix( getIndirectIndex( gl_DrawID ) );
107#endif`,OT=`vec3 transformed = vec3( position );
108#ifdef USE_ALPHAHASH
109	vPosition = vec3( position );
110#endif`,UT=`vec3 objectNormal = vec3( normal );
111#ifdef USE_TANGENT
112	vec3 objectTangent = vec3( tangent.xyz );
113#endif`,FT=`float G_BlinnPhong_Implicit( ) {
114	return 0.25;
115}
116float D_BlinnPhong( const in float shininess, const in float dotNH ) {
117	return RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );
118}
119vec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {
120	vec3 halfDir = normalize( lightDir + viewDir );
121	float dotNH = saturate( dot( normal, halfDir ) );
122	float dotVH = saturate( dot( viewDir, halfDir ) );
123	vec3 F = F_Schlick( specularColor, 1.0, dotVH );
124	float G = G_BlinnPhong_Implicit( );
125	float D = D_BlinnPhong( shininess, dotNH );
126	return F * ( G * D );
127} // validated`,BT=`#ifdef USE_IRIDESCENCE
128	const mat3 XYZ_TO_REC709 = mat3(
129		 3.2404542, -0.9692660,  0.0556434,
130		-1.5371385,  1.8760108, -0.2040259,
131		-0.4985314,  0.0415560,  1.0572252
132	);
133	vec3 Fresnel0ToIor( vec3 fresnel0 ) {
134		vec3 sqrtF0 = sqrt( fresnel0 );
135		return ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );
136	}
137	vec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {
138		return pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );
139	}
140	float IorToFresnel0( float transmittedIor, float incidentIor ) {
141		return pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));
142	}
143	vec3 evalSensitivity( float OPD, vec3 shift ) {
144		float phase = 2.0 * PI * OPD * 1.0e-9;
145		vec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );
146		vec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );
147		vec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );
148		vec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );
149		xyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );
150		xyz /= 1.0685e-7;
151		vec3 rgb = XYZ_TO_REC709 * xyz;
152		return rgb;
153	}
154	vec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {
155		vec3 I;
156		float iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );
157		float sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );
158		float cosTheta2Sq = 1.0 - sinTheta2Sq;
159		if ( cosTheta2Sq < 0.0 ) {
160			return vec3( 1.0 );
161		}
162		float cosTheta2 = sqrt( cosTheta2Sq );
163		float R0 = IorToFresnel0( iridescenceIOR, outsideIOR );

164		float R12 = F_Schlick( R0, 1.0, cosTheta1 );
165		float T121 = 1.0 - R12;
166		float phi12 = 0.0;
167		if ( iridescenceIOR < outsideIOR ) phi12 = PI;
168		float phi21 = PI - phi12;
169		vec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );		vec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );
170		vec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );
171		vec3 phi23 = vec3( 0.0 );
172		if ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;
173		if ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;
174		if ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;
175		float OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;
176		vec3 phi = vec3( phi21 ) + phi23;
177		vec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );
178		vec3 r123 = sqrt( R123 );
179		vec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );
180		vec3 C0 = R12 + Rs;
181		I = C0;
182		vec3 Cm = Rs - T121;
183		for ( int m = 1; m <= 2; ++ m ) {
184			Cm *= r123;
185			vec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );
186			I += Cm * Sm;
187		}
188		return max( I, vec3( 0.0 ) );
189	}
190#endif`,kT=`#ifdef USE_BUMPMAP
191	uniform sampler2D bumpMap;
192	uniform float bumpScale;
193	vec2 dHdxy_fwd() {
194		vec2 dSTdx = dFdx( vBumpMapUv );
195		vec2 dSTdy = dFdy( vBumpMapUv );
196		float Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x;
197		float dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll;
198		float dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdy ).x - Hll;
199		return vec2( dBx, dBy );
200	}
201	vec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {
202		vec3 vSigmaX = normalize( dFdx( surf_pos.xyz ) );
203		vec3 vSigmaY = normalize( dFdy( surf_pos.xyz ) );
204		vec3 vN = surf_norm;
205		vec3 R1 = cross( vSigmaY, vN );
206		vec3 R2 = cross( vN, vSigmaX );
207		float fDet = dot( vSigmaX, R1 ) * faceDirection;
208		vec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );
209		return normalize( abs( fDet ) * surf_norm - vGrad );
210	}
211#endif`,VT=`#if NUM_CLIPPING_PLANES > 0
212	vec4 plane;
213	#ifdef ALPHA_TO_COVERAGE
214		float distanceToPlane, distanceGradient;
215		float clipOpacity = 1.0;
216		#pragma unroll_loop_start
217		for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {
218			plane = clippingPlanes[ i ];
219			distanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;
220			distanceGradient = fwidth( distanceToPlane ) / 2.0;
221			clipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );
222			if ( clipOpacity == 0.0 ) discard;
223		}
224		#pragma unroll_loop_end
225		#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES
226			float unionClipOpacity = 1.0;
227			#pragma unroll_loop_start
228			for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {
229				plane = clippingPlanes[ i ];
230				distanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;
231				distanceGradient = fwidth( distanceToPlane ) / 2.0;
232				unionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );
233			}
234			#pragma unroll_loop_end
235			clipOpacity *= 1.0 - unionClipOpacity;
236		#endif
237		diffuseColor.a *= clipOpacity;
238		if ( diffuseColor.a == 0.0 ) discard;
239	#else
240		#pragma unroll_loop_start
241		for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {
242			plane = clippingPlanes[ i ];
243			if ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;
244		}
245		#pragma unroll_loop_end
246		#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES
247			bool clipped = true;
248			#pragma unroll_loop_start
249			for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {
250				plane = clippingPlanes[ i ];
251				clipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;
252			}
253			#pragma unroll_loop_end
254			if ( clipped ) discard;
255		#endif
256	#endif
257#endif`,zT=`#if NUM_CLIPPING_PLANES > 0
258	varying vec3 vClipPosition;
259	uniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];
260#endif`,HT=`#if NUM_CLIPPING_PLANES > 0
261	varying vec3 vClipPosition;
262#endif`,GT=`#if NUM_CLIPPING_PLANES > 0
263	vClipPosition = - mvPosition.xyz;
264#endif`,WT=`#if defined( USE_COLOR ) || defined( USE_COLOR_ALPHA )
265	diffuseColor *= vColor;
266#endif`,XT=`#if defined( USE_COLOR ) || defined( USE_COLOR_ALPHA )
267	varying vec4 vColor;
268#endif`,qT=`#if defined( USE_COLOR ) || defined( USE_COLOR_ALPHA ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )
269	varying vec4 vColor;
270#endif`,$T=`#if defined( USE_COLOR ) || defined( USE_COLOR_ALPHA ) || defined( USE_INSTANCING_COLOR ) || defined( USE_BATCHING_COLOR )
271	vColor = vec4( 1.0 );
272#endif
273#ifdef USE_COLOR_ALPHA
274	vColor *= color;
275#elif defined( USE_COLOR )
276	vColor.rgb *= color;
277#endif
278#ifdef USE_INSTANCING_COLOR
279	vColor.rgb *= instanceColor.rgb;
280#endif
281#ifdef USE_BATCHING_COLOR
282	vColor *= getBatchingColor( getIndirectIndex( gl_DrawID ) );
283#endif`,YT=`#define PI 3.141592653589793
284#define PI2 6.283185307179586
285#define PI_HALF 1.5707963267948966
286#define RECIPROCAL_PI 0.3183098861837907
287#define RECIPROCAL_PI2 0.15915494309189535
288#define EPSILON 1e-6
289#ifndef saturate
290#define saturate( a ) clamp( a, 0.0, 1.0 )
291#endif
292#define whiteComplement( a ) ( 1.0 - saturate( a ) )
293float pow2( const in float x ) { return x*x; }
294vec3 pow2( const in vec3 x ) { return x*x; }
295float pow3( const in float x ) { return x*x*x; }
296float pow4( const in float x ) { float x2 = x*x; return x2*x2; }
297float max3( const in vec3 v ) { return max( max( v.x, v.y ), v.z ); }
298float average( const in vec3 v ) { return dot( v, vec3( 0.3333333 ) ); }
299highp float rand( const in vec2 uv ) {
300	const highp float a = 12.9898, b = 78.233, c = 43758.5453;
301	highp float dt = dot( uv.xy, vec2( a,b ) ), sn = mod( dt, PI );
302	return fract( sin( sn ) * c );
303}
304#ifdef HIGH_PRECISION
305	float precisionSafeLength( vec3 v ) { return length( v ); }
306#else
307	float precisionSafeLength( vec3 v ) {
308		float maxComponent = max3( abs( v ) );
309		return length( v / maxComponent ) * maxComponent;
310	}
311#endif
312struct IncidentLight {
313	vec3 color;
314	vec3 direction;
315	bool visible;
316};
317struct ReflectedLight {
318	vec3 directDiffuse;
319	vec3 directSpecular;
320	vec3 indirectDiffuse;
321	vec3 indirectSpecular;
322};
323#ifdef USE_ALPHAHASH
324	varying vec3 vPosition;
325#endif
326vec3 transformDirection( in vec3 dir, in mat4 matrix ) {
327	return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );
328}
329vec3 inverseTransformDirection( in vec3 dir, in mat4 matrix ) {
330	return normalize( ( vec4( dir, 0.0 ) * matrix ).xyz );
331}
332bool isPerspectiveMatrix( mat4 m ) {
333	return m[ 2 ][ 3 ] == - 1.0;
334}
335vec2 equirectUv( in vec3 dir ) {
336	float u = atan( dir.z, dir.x ) * RECIPROCAL_PI2 + 0.5;
337	float v = asin( clamp( dir.y, - 1.0, 1.0 ) ) * RECIPROCAL_PI + 0.5;
338	return vec2( u, v );
339}

340vec3 BRDF_Lambert( const in vec3 diffuseColor ) {
341	return RECIPROCAL_PI * diffuseColor;
342}
343vec3 F_Schlick( const in vec3 f0, const in float f90, const in float dotVH ) {
344	float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );
345	return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );
346}
347float F_Schlick( const in float f0, const in float f90, const in float dotVH ) {
348	float fresnel = exp2( ( - 5.55473 * dotVH - 6.98316 ) * dotVH );
349	return f0 * ( 1.0 - fresnel ) + ( f90 * fresnel );
350} // validated`,ZT=`#ifdef ENVMAP_TYPE_CUBE_UV
351	#define cubeUV_minMipLevel 4.0
352	#define cubeUV_minTileSize 16.0
353	float getFace( vec3 direction ) {
354		vec3 absDirection = abs( direction );
355		float face = - 1.0;
356		if ( absDirection.x > absDirection.z ) {
357			if ( absDirection.x > absDirection.y )
358				face = direction.x > 0.0 ? 0.0 : 3.0;
359			else
360				face = direction.y > 0.0 ? 1.0 : 4.0;
361		} else {
362			if ( absDirection.z > absDirection.y )
363				face = direction.z > 0.0 ? 2.0 : 5.0;
364			else
365				face = direction.y > 0.0 ? 1.0 : 4.0;
366		}
367		return face;
368	}
369	vec2 getUV( vec3 direction, float face ) {
370		vec2 uv;
371		if ( face == 0.0 ) {
372			uv = vec2( direction.z, direction.y ) / abs( direction.x );
373		} else if ( face == 1.0 ) {
374			uv = vec2( - direction.x, - direction.z ) / abs( direction.y );
375		} else if ( face == 2.0 ) {
376			uv = vec2( - direction.x, direction.y ) / abs( direction.z );
377		} else if ( face == 3.0 ) {
378			uv = vec2( - direction.z, direction.y ) / abs( direction.x );
379		} else if ( face == 4.0 ) {
380			uv = vec2( - direction.x, direction.z ) / abs( direction.y );
381		} else {
382			uv = vec2( direction.x, direction.y ) / abs( direction.z );
383		}
384		return 0.5 * ( uv + 1.0 );
385	}
386	vec3 bilinearCubeUV( sampler2D envMap, vec3 direction, float mipInt ) {
387		float face = getFace( direction );
388		float filterInt = max( cubeUV_minMipLevel - mipInt, 0.0 );
389		mipInt = max( mipInt, cubeUV_minMipLevel );
390		float faceSize = exp2( mipInt );
391		highp vec2 uv = getUV( direction, face ) * ( faceSize - 2.0 ) + 1.0;
392		if ( face > 2.0 ) {
393			uv.y += faceSize;
394			face -= 3.0;
395		}
396		uv.x += face * faceSize;
397		uv.x += filterInt * 3.0 * cubeUV_minTileSize;
398		uv.y += 4.0 * ( exp2( CUBEUV_MAX_MIP ) - faceSize );
399		uv.x *= CUBEUV_TEXEL_WIDTH;
400		uv.y *= CUBEUV_TEXEL_HEIGHT;
401		#ifdef texture2DGradEXT
402			return texture2DGradEXT( envMap, uv, vec2( 0.0 ), vec2( 0.0 ) ).rgb;
403		#else
404			return texture2D( envMap, uv ).rgb;
405		#endif
406	}
407	#define cubeUV_r0 1.0
408	#define cubeUV_m0 - 2.0
409	#define cubeUV_r1 0.8
410	#define cubeUV_m1 - 1.0
411	#define cubeUV_r4 0.4
412	#define cubeUV_m4 2.0
413	#define cubeUV_r5 0.305
414	#define cubeUV_m5 3.0
415	#define cubeUV_r6 0.21
416	#define cubeUV_m6 4.0
417	float roughnessToMip( float roughness ) {
418		float mip = 0.0;
419		if ( roughness >= cubeUV_r1 ) {
420			mip = ( cubeUV_r0 - roughness ) * ( cubeUV_m1 - cubeUV_m0 ) / ( cubeUV_r0 - cubeUV_r1 ) + cubeUV_m0;
421		} else if ( roughness >= cubeUV_r4 ) {
422			mip = ( cubeUV_r1 - roughness ) * ( cubeUV_m4 - cubeUV_m1 ) / ( cubeUV_r1 - cubeUV_r4 ) + cubeUV_m1;
423		} else if ( roughness >= cubeUV_r5 ) {
424			mip = ( cubeUV_r4 - roughness ) * ( cubeUV_m5 - cubeUV_m4 ) / ( cubeUV_r4 - cubeUV_r5 ) + cubeUV_m4;
425		} else if ( roughness >= cubeUV_r6 ) {
426			mip = ( cubeUV_r5 - roughness ) * ( cubeUV_m6 - cubeUV_m5 ) / ( cubeUV_r5 - cubeUV_r6 ) + cubeUV_m5;
427		} else {
428			mip = - 2.0 * log2( 1.16 * roughness );		}
429		return mip;
430	}
431	vec4 textureCubeUV( sampler2D envMap, vec3 sampleDir, float roughness ) {
432		float mip = clamp( roughnessToMip( roughness ), cubeUV_m0, CUBEUV_MAX_MIP );
433		float mipF = fract( mip );
434		float mipInt = floor( mip );
435		vec3 color0 = bilinearCubeUV( envMap, sampleDir, mipInt );
436		if ( mipF == 0.0 ) {
437			return vec4( color0, 1.0 );
438		} else {
439			vec3 color1 = bilinearCubeUV( envMap, sampleDir, mipInt + 1.0 );
440			return vec4( mix( color0, color1, mipF ), 1.0 );
441		}
442	}
443#endif`,KT=`vec3 transformedNormal = objectNormal;
444#ifdef USE_TANGENT
445	vec3 transformedTangent = objectTangent;
446#endif
447#ifdef USE_BATCHING
448	mat3 bm = mat3( batchingMatrix );
449	transformedNormal /= vec3( dot( bm[ 0 ], bm[ 0 ] ), dot( bm[ 1 ], bm[ 1 ] ), dot( bm[ 2 ], bm[ 2 ] ) );
450	transformedNormal = bm * transformedNormal;
451	#ifdef USE_TANGENT
452		transformedTangent = bm * transformedTangent;
453	#endif
454#endif
455#ifdef USE_INSTANCING
456	mat3 im = mat3( instanceMatrix );
457	transformedNormal /= vec3( dot( im[ 0 ], im[ 0 ] ), dot( im[ 1 ], im[ 1 ] ), dot( im[ 2 ], im[ 2 ] ) );
458	transformedNormal = im * transformedNormal;
459	#ifdef USE_TANGENT
460		transformedTangent = im * transformedTangent;
461	#endif
462#endif
463transformedNormal = normalMatrix * transformedNormal;
464#ifdef FLIP_SIDED
465	transformedNormal = - transformedNormal;
466#endif
467#ifdef USE_TANGENT
468	transformedTangent = ( modelViewMatrix * vec4( transformedTangent, 0.0 ) ).xyz;
469	#ifdef FLIP_SIDED
470		transformedTangent = - transformedTangent;
471	#endif
472#endif`,JT=`#ifdef USE_DISPLACEMENTMAP
473	uniform sampler2D displacementMap;
474	uniform float displacementScale;
475	uniform float displacementBias;
476#endif`,jT=`#ifdef USE_DISPLACEMENTMAP
477	transformed += normalize( objectNormal ) * ( texture2D( displacementMap, vDisplacementMapUv ).x * displacementScale + dis

477placementBias );
478#endif`,QT=`#ifdef USE_EMISSIVEMAP
479	vec4 emissiveColor = texture2D( emissiveMap, vEmissiveMapUv );
480	#ifdef DECODE_VIDEO_TEXTURE_EMISSIVE
481		emissiveColor = sRGBTransferEOTF( emissiveColor );
482	#endif
483	totalEmissiveRadiance *= emissiveColor.rgb;
484#endif`,ew=`#ifdef USE_EMISSIVEMAP
485	uniform sampler2D emissiveMap;
486#endif`,tw="gl_FragColor = linearToOutputTexel( gl_FragColor );",nw=`vec4 LinearTransferOETF( in vec4 value ) {
487	return value;
488}
489vec4 sRGBTransferEOTF( in vec4 value ) {
490	return vec4( mix( pow( value.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), value.rgb * 0.0773993808, vec3( lessThanEqual( value.rgb, vec3( 0.04045 ) ) ) ), value.a );
491}
492vec4 sRGBTransferOETF( in vec4 value ) {
493	return vec4( mix( pow( value.rgb, vec3( 0.41666 ) ) * 1.055 - vec3( 0.055 ), value.rgb * 12.92, vec3( lessThanEqual( value.rgb, vec3( 0.0031308 ) ) ) ), value.a );
494}`,iw=`#ifdef USE_ENVMAP
495	#ifdef ENV_WORLDPOS
496		vec3 cameraToFrag;
497		if ( isOrthographic ) {
498			cameraToFrag = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );
499		} else {
500			cameraToFrag = normalize( vWorldPosition - cameraPosition );
501		}
502		vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );
503		#ifdef ENVMAP_MODE_REFLECTION
504			vec3 reflectVec = reflect( cameraToFrag, worldNormal );
505		#else
506			vec3 reflectVec = refract( cameraToFrag, worldNormal, refractionRatio );
507		#endif
508	#else
509		vec3 reflectVec = vReflect;
510	#endif
511	#ifdef ENVMAP_TYPE_CUBE
512		vec4 envColor = textureCube( envMap, envMapRotation * reflectVec );
513		#ifdef ENVMAP_BLENDING_MULTIPLY
514			outgoingLight = mix( outgoingLight, outgoingLight * envColor.xyz, specularStrength * reflectivity );
515		#elif defined( ENVMAP_BLENDING_MIX )
516			outgoingLight = mix( outgoingLight, envColor.xyz, specularStrength * reflectivity );
517		#elif defined( ENVMAP_BLENDING_ADD )
518			outgoingLight += envColor.xyz * specularStrength * reflectivity;
519		#endif
520	#endif
521#endif`,rw=`#ifdef USE_ENVMAP
522	uniform float envMapIntensity;
523	uniform mat3 envMapRotation;
524	#ifdef ENVMAP_TYPE_CUBE
525		uniform samplerCube envMap;
526	#else
527		uniform sampler2D envMap;
528	#endif
529#endif`,sw=`#ifdef USE_ENVMAP
530	uniform float reflectivity;
531	#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )
532		#define ENV_WORLDPOS
533	#endif
534	#ifdef ENV_WORLDPOS
535		varying vec3 vWorldPosition;
536		uniform float refractionRatio;
537	#else
538		varying vec3 vReflect;
539	#endif
540#endif`,aw=`#ifdef USE_ENVMAP
541	#if defined( USE_BUMPMAP ) || defined( USE_NORMALMAP ) || defined( PHONG ) || defined( LAMBERT )
542		#define ENV_WORLDPOS
543	#endif
544	#ifdef ENV_WORLDPOS
545		
546		varying vec3 vWorldPosition;
547	#else
548		varying vec3 vReflect;
549		uniform float refractionRatio;
550	#endif
551#endif`,ow=`#ifdef USE_ENVMAP
552	#ifdef ENV_WORLDPOS
553		vWorldPosition = worldPosition.xyz;
554	#else
555		vec3 cameraToVertex;
556		if ( isOrthographic ) {
557			cameraToVertex = normalize( vec3( - viewMatrix[ 0 ][ 2 ], - viewMatrix[ 1 ][ 2 ], - viewMatrix[ 2 ][ 2 ] ) );
558		} else {

559			cameraToVertex = normalize( worldPosition.xyz - cameraPosition );
560		}
561		vec3 worldNormal = inverseTransformDirection( transformedNormal, viewMatrix );
562		#ifdef ENVMAP_MODE_REFLECTION
563			vReflect = reflect( cameraToVertex, worldNormal );
564		#else
565			vReflect = refract( cameraToVertex, worldNormal, refractionRatio );
566		#endif
567	#endif
568#endif`,lw=`#ifdef USE_FOG
569	vFogDepth = - mvPosition.z;
570#endif`,cw=`#ifdef USE_FOG
571	varying float vFogDepth;
572#endif`,uw=`#ifdef USE_FOG
573	#ifdef FOG_EXP2
574		float fogFactor = 1.0 - exp( - fogDensity * fogDensity * vFogDepth * vFogDepth );
575	#else
576		float fogFactor = smoothstep( fogNear, fogFar, vFogDepth );
577	#endif
578	gl_FragColor.rgb = mix( gl_FragColor.rgb, fogColor, fogFactor );
579#endif`,hw=`#ifdef USE_FOG
580	uniform vec3 fogColor;
581	varying float vFogDepth;
582	#ifdef FOG_EXP2
583		uniform float fogDensity;
584	#else
585		uniform float fogNear;
586		uniform float fogFar;
587	#endif
588#endif`,dw=`#ifdef USE_GRADIENTMAP
589	uniform sampler2D gradientMap;
590#endif
591vec3 getGradientIrradiance( vec3 normal, vec3 lightDirection ) {
592	float dotNL = dot( normal, lightDirection );
593	vec2 coord = vec2( dotNL * 0.5 + 0.5, 0.0 );
594	#ifdef USE_GRADIENTMAP
595		return vec3( texture2D( gradientMap, coord ).r );
596	#else
597		vec2 fw = fwidth( coord ) * 0.5;
598		return mix( vec3( 0.7 ), vec3( 1.0 ), smoothstep( 0.7 - fw.x, 0.7 + fw.x, coord.x ) );
599	#endif
600}`,fw=`#ifdef USE_LIGHTMAP
601	uniform sampler2D lightMap;
602	uniform float lightMapIntensity;
603#endif`,pw=`LambertMaterial material;
604material.diffuseColor = diffuseColor.rgb;
605material.specularStrength = specularStrength;`,mw=`varying vec3 vViewPosition;
606struct LambertMaterial {
607	vec3 diffuseColor;
608	float specularStrength;
609};
610void RE_Direct_Lambert( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {
611	float dotNL = saturate( dot( geometryNormal, directLight.direction ) );
612	vec3 irradiance = dotNL * directLight.color;
613	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
614}
615void RE_IndirectDiffuse_Lambert( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in LambertMaterial material, inout ReflectedLight reflectedLight ) {
616	reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
617}
618#define RE_Direct				RE_Direct_Lambert
619#define RE_IndirectDiffuse		RE_IndirectDiffuse_Lambert`,gw=`uniform bool receiveShadow;
620uniform vec3 ambientLightColor;
621#if defined( USE_LIGHT_PROBES )
622	uniform vec3 lightProbe[ 9 ];
623#endif
624vec3 shGetIrradianceAt( in vec3 normal, in vec3 shCoefficients[ 9 ] ) {
625	float x = normal.x, y = normal.y, z = normal.z;
626	vec3 result = shCoefficients[ 0 ] * 0.886227;
627	result += shCoefficients[ 1 ] * 2.0 * 0.511664 * y;
628	result += shCoefficients[ 2 ] * 2.0 * 0.511664 * z;
629	result += shCoefficients[ 3 ] * 2.0 * 0.511664 * x;
630	result += shCoefficients[ 4 ] * 2.0 * 0.429043 * x * y;
631	result += shCoefficients[ 5 ] * 2.0 * 0.429043 * y * z;
632	result += shCoefficients[ 6 ] * ( 0.743125 * z * z - 0.247708 );
633	result += shCoefficients[ 7 ] * 2.0 * 0.429043 * x * z;
634	result += shCoefficients[ 8 ] * 0.429043 * ( x * x - y * y );
635	return result;
636}
637vec3 getLightProbeIrradiance( const in vec3 lightProbe[ 9 ], const in vec3 normal ) {
638	vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );
639	vec3 irradiance = shGetIrradianceAt( worldNormal, lightProbe );
640	return irradiance;
641}
642vec3 getAmbientLightIrradiance( const in vec3 ambientLightColor ) {
643	vec3 irradiance = ambientLightColor;
644	return irradiance;
645}
646float getDistanceAttenuation( const in float lightDistance, const in float cutoffDistance, const in float decayExponent ) {
647	float distanceFalloff = 1.0 / max( pow( lightDistance, decayExponent ), 0.01 );
648	if ( cutoffDistance > 0.0 ) {
649		distanceFalloff *= pow2( saturate( 1.0 - pow4( lightDistance / cutoffDistance ) ) );
650	}
651	return distanceFalloff;
652}
653float getSpotAttenuation( const in float coneCosine, const in float penumbraCosine, const in float angleCosine ) {
654	return smoothstep( coneCosine, penumbraCosine, angleCosine );
655}
656#if NUM_DIR_LIGHTS > 0
657	struct DirectionalLight {
658		vec3 direction;
659		vec3 color;
660	};
661	uniform DirectionalLight directionalLights[ NUM_DIR_LIGHTS ];
662	void getDirectionalLightInfo( const in DirectionalLight directionalLight, out IncidentLight light ) {
663		light.color = directionalLight.color;
664		light.direction = directionalLight.direction;
665		light.visible = true;
666	}
667#endif
668#if NUM_POINT_LIGHTS > 0
669	struct PointLight {
670		vec3 position;
671		vec3 color;
672		float distance;
673		float decay;
674	};
675	uniform PointLight pointLights[ NUM_POINT_LIGHTS ];
676	void getPointLightInfo( const in PointLight pointLight, const in vec3 geometryPosition, out IncidentLight light ) {
677		vec3 lVector = pointLight.position - geometryPosition;
678		light.direction = normalize( lVector );
679		float lightDistance = length( lVector );
680		light.color = pointLight.color;
681		light.color *= getDistanceAttenuation( lightDistance, pointLight.distance, pointLight.decay );
682		light.visible = ( light.color != vec3( 0.0 ) );
683	}
684#endif

685#if NUM_SPOT_LIGHTS > 0
686	struct SpotLight {
687		vec3 position;
688		vec3 direction;
689		vec3 color;
690		float distance;
691		float decay;
692		float coneCos;
693		float penumbraCos;
694	};
695	uniform SpotLight spotLights[ NUM_SPOT_LIGHTS ];
696	void getSpotLightInfo( const in SpotLight spotLight, const in vec3 geometryPosition, out IncidentLight light ) {
697		vec3 lVector = spotLight.position - geometryPosition;
698		light.direction = normalize( lVector );
699		float angleCos = dot( light.direction, spotLight.direction );
700		float spotAttenuation = getSpotAttenuation( spotLight.coneCos, spotLight.penumbraCos, angleCos );
701		if ( spotAttenuation > 0.0 ) {
702			float lightDistance = length( lVector );
703			light.color = spotLight.color * spotAttenuation;
704			light.color *= getDistanceAttenuation( lightDistance, spotLight.distance, spotLight.decay );
705			light.visible = ( light.color != vec3( 0.0 ) );
706		} else {
707			light.color = vec3( 0.0 );
708			light.visible = false;
709		}
710	}
711#endif
712#if NUM_RECT_AREA_LIGHTS > 0
713	struct RectAreaLight {
714		vec3 color;
715		vec3 position;
716		vec3 halfWidth;
717		vec3 halfHeight;
718	};
719	uniform sampler2D ltc_1;	uniform sampler2D ltc_2;
720	uniform RectAreaLight rectAreaLights[ NUM_RECT_AREA_LIGHTS ];
721#endif
722#if NUM_HEMI_LIGHTS > 0
723	struct HemisphereLight {
724		vec3 direction;
725		vec3 skyColor;
726		vec3 groundColor;
727	};
728	uniform HemisphereLight hemisphereLights[ NUM_HEMI_LIGHTS ];
729	vec3 getHemisphereLightIrradiance( const in HemisphereLight hemiLight, const in vec3 normal ) {
730		float dotNL = dot( normal, hemiLight.direction );
731		float hemiDiffuseWeight = 0.5 * dotNL + 0.5;
732		vec3 irradiance = mix( hemiLight.groundColor, hemiLight.skyColor, hemiDiffuseWeight );
733		return irradiance;
734	}
735#endif
736#include <lightprobes_pars_fragment>`,_w=`#ifdef USE_ENVMAP
737	vec3 getIBLIrradiance( const in vec3 normal ) {
738		#ifdef ENVMAP_TYPE_CUBE_UV
739			vec3 worldNormal = inverseTransformDirection( normal, viewMatrix );
740			vec4 envMapColor = textureCubeUV( envMap, envMapRotation * worldNormal, 1.0 );
741			return PI * envMapColor.rgb * envMapIntensity;
742		#else
743			return vec3( 0.0 );
744		#endif
745	}
746	vec3 getIBLRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness ) {
747		#ifdef ENVMAP_TYPE_CUBE_UV
748			vec3 reflectVec = reflect( - viewDir, normal );
749			reflectVec = normalize( mix( reflectVec, normal, pow4( roughness ) ) );
750			reflectVec = inverseTransformDirection( reflectVec, viewMatrix );
751			vec4 envMapColor = textureCubeUV( envMap, envMapRotation * reflectVec, roughness );
752			return envMapColor.rgb * envMapIntensity;
753		#else
754			return vec3( 0.0 );
755		#endif
756	}
757	#ifdef USE_ANISOTROPY
758		vec3 getIBLAnisotropyRadiance( const in vec3 viewDir, const in vec3 normal, const in float roughness, const in vec3 bitangent, const in float anisotropy ) {
759			#ifdef ENVMAP_TYPE_CUBE_UV
760				vec3 bentNormal = cross( bitangent, viewDir );
761				bentNormal = normalize( cross( bentNormal, bitangent ) );
762				bentNormal = normalize( mix( bentNormal, normal, pow2( pow2( 1.0 - anisotropy * ( 1.0 - roughness ) ) ) ) );
763				return getIBLRadiance( viewDir, bentNormal, roughness );
764			#else
765				return vec3( 0.0 );
766			#endif
767		}
768	#endif
769#endif`,vw=`ToonMaterial material;
770material.diffuseColor = diffuseColor.rgb;`,xw=`varying vec3 vViewPosition;
771struct ToonMaterial {
772	vec3 diffuseColor;
773};
774void RE_Direct_Toon( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {
775	vec3 irradiance = getGradientIrradiance( geometryNormal, directLight.direction ) * directLight.color;
776	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
777}
778void RE_IndirectDiffuse_Toon( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in ToonMaterial material, inout ReflectedLight reflectedLight ) {
779	reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
780}
781#define RE_Direct				RE_Direct_Toon
782#define RE_IndirectDiffuse		RE_IndirectDiffuse_Toon`,yw=`BlinnPhongMaterial material;
783material.diffuseColor = diffuseColor.rgb;
784material.specularColor = specular;
785material.specularShininess = shininess;
786material.specularStrength = specularStrength;`,bw=`varying vec3 vViewPosition;
787struct BlinnPhongMaterial {
788	vec3 diffuseColor;
789	vec3 specularColor;
790	float specularShininess;
791	float specularStrength;
792};
793void RE_Direct_BlinnPhong( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {

794	float dotNL = saturate( dot( geometryNormal, directLight.direction ) );
795	vec3 irradiance = dotNL * directLight.color;
796	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
797	reflectedLight.directSpecular += irradiance * BRDF_BlinnPhong( directLight.direction, geometryViewDir, geometryNormal, material.specularColor, material.specularShininess ) * material.specularStrength;
798}
799void RE_IndirectDiffuse_BlinnPhong( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in BlinnPhongMaterial material, inout ReflectedLight reflectedLight ) {
800	reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
801}
802#define RE_Direct				RE_Direct_BlinnPhong
803#define RE_IndirectDiffuse		RE_IndirectDiffuse_BlinnPhong`,Sw=`PhysicalMaterial material;
804material.diffuseColor = diffuseColor.rgb;
805material.diffuseContribution = diffuseColor.rgb * ( 1.0 - metalnessFactor );
806material.metalness = metalnessFactor;
807vec3 dxy = max( abs( dFdx( nonPerturbedNormal ) ), abs( dFdy( nonPerturbedNormal ) ) );
808float geometryRoughness = max( max( dxy.x, dxy.y ), dxy.z );
809material.roughness = max( roughnessFactor, 0.0525 );material.roughness += geometryRoughness;
810material.roughness = min( material.roughness, 1.0 );
811#ifdef IOR
812	material.ior = ior;
813	#ifdef USE_SPECULAR
814		float specularIntensityFactor = specularIntensity;
815		vec3 specularColorFactor = specularColor;
816		#ifdef USE_SPECULAR_COLORMAP
817			specularColorFactor *= texture2D( specularColorMap, vSpecularColorMapUv ).rgb;
818		#endif
819		#ifdef USE_SPECULAR_INTENSITYMAP
820			specularIntensityFactor *= texture2D( specularIntensityMap, vSpecularIntensityMapUv ).a;
821		#endif
822		material.specularF90 = mix( specularIntensityFactor, 1.0, metalnessFactor );
823	#else
824		float specularIntensityFactor = 1.0;
825		vec3 specularColorFactor = vec3( 1.0 );
826		material.specularF90 = 1.0;
827	#endif
828	material.specularColor = min( pow2( ( material.ior - 1.0 ) / ( material.ior + 1.0 ) ) * specularColorFactor, vec3( 1.0 ) ) * specularIntensityFactor;
829	material.specularColorBlended = mix( material.specularColor, diffuseColor.rgb, metalnessFactor );
830#else
831	material.specularColor = vec3( 0.04 );
832	material.specularColorBlended = mix( material.specularColor, diffuseColor.rgb, metalnessFactor );
833	material.specularF90 = 1.0;
834#endif
835#ifdef USE_CLEARCOAT
836	material.clearcoat = clearcoat;
837	material.clearcoatRoughness = clearcoatRoughness;
838	material.clearcoatF0 = vec3( 0.04 );
839	material.clearcoatF90 = 1.0;
840	#ifdef USE_CLEARCOATMAP
841		material.clearcoat *= texture2D( clearcoatMap, vClearcoatMapUv ).x;
842	#endif
843	#ifdef USE_CLEARCOAT_ROUGHNESSMAP
844		material.clearcoatRoughness *= texture2D( clearcoatRoughnessMap, vClearcoatRoughnessMapUv ).y;
845	#endif
846	material.clearcoat = saturate( material.clearcoat );	material.clearcoatRoughness = max( material.clearcoatRoughness, 0.0525 );
847	material.clearcoatRoughness += geometryRoughness;
848	material.clearcoatRoughness = min( material.clearcoatRoughness, 1.0 );
849#endif
850#ifdef USE_DISPERSION
851	material.dispersion = dispersion;
852#endif
853#ifdef USE_IRIDESCENCE
854	material.iridescence = iridescence;
855	material.iridescenceIOR = iridescenceIOR;
856	#ifdef USE_IRIDESCENCEMAP
857		material.iridescence *= texture2D( iridescenceMap, vIridescenceMapUv ).r;
858	#endif
859	#ifdef USE_IRIDESCENCE_THICKNESSMAP
860		material.iridescenceThickness = (iridescenceThicknessMaximum - iridescenceThicknessMinimum) * texture2D( iridescenceThicknessMap, vIridescenceThicknessMapUv ).g + iridescenceThicknessMinimum;
861	#else
862		material.iridescenceThickness = iridescenceThicknessMaximum;
863	#endif
864#endif
865#ifdef USE_SHEEN
866	material.sheenColor = sheenColor;
867	#ifdef USE_SHEEN_COLORMAP
868		material.sheenColor *= texture2D( sheenColorMap, vSheenColorMapUv ).rgb;
869	#endif
870	material.sheenRoughness = clamp( sheenRoughness, 0.0001, 1.0 );
871	#ifdef USE_SHEEN_ROUGHNESSMAP
872		material.sheenRoughness *= texture2D( sheenRoughnessMap, vSheenRoughnessMapUv ).a;
873	#endif
874#endif
875#ifdef USE_ANISOTROPY
876	#ifdef USE_ANISOTROPYMAP
877		mat2 anisotropyMat = mat2( anisotropyVector.x, anisotropyVector.y, - anisotropyVector.y, anisotropyVector.x );
878		vec3 anisotropyPolar = texture2D( anisotropyMap, vAnisotropyMapUv ).rgb;
879		vec2 anisotropyV = anisotropyMat * normalize( 2.0 * anisotropyPolar.rg - vec2( 1.0 ) ) * anisotropyPolar.b;
880	#else
881		vec2 anisotropyV = anisotropyVector;
882	#endif
883	material.anisotropy = length( anisotropyV );
884	if( material.anisotropy == 0.0 ) {
885		anisotropyV = vec2( 1.0, 0.0 );
886	} else {
887		anisotropyV /= material.anisotropy;
888		material.anisotropy = saturate( material.anisotropy );
889	}
890	material.alphaT = mix( pow2( material.roughness ), 1.0, pow2( material.anisotropy ) );

891	material.anisotropyT = tbn[ 0 ] * anisotropyV.x + tbn[ 1 ] * anisotropyV.y;
892	material.anisotropyB = tbn[ 1 ] * anisotropyV.x - tbn[ 0 ] * anisotropyV.y;
893#endif`,Mw=`uniform sampler2D dfgLUT;
894struct PhysicalMaterial {
895	vec3 diffuseColor;
896	vec3 diffuseContribution;
897	vec3 specularColor;
898	vec3 specularColorBlended;
899	float roughness;
900	float metalness;
901	float specularF90;
902	float dispersion;
903	#ifdef USE_CLEARCOAT
904		float clearcoat;
905		float clearcoatRoughness;
906		vec3 clearcoatF0;
907		float clearcoatF90;
908	#endif
909	#ifdef USE_IRIDESCENCE
910		float iridescence;
911		float iridescenceIOR;
912		float iridescenceThickness;
913		vec3 iridescenceFresnel;
914		vec3 iridescenceF0;
915		vec3 iridescenceFresnelDielectric;
916		vec3 iridescenceFresnelMetallic;
917	#endif
918	#ifdef USE_SHEEN
919		vec3 sheenColor;
920		float sheenRoughness;
921	#endif
922	#ifdef IOR
923		float ior;
924	#endif
925	#ifdef USE_TRANSMISSION
926		float transmission;
927		float transmissionAlpha;
928		float thickness;
929		float attenuationDistance;
930		vec3 attenuationColor;
931	#endif
932	#ifdef USE_ANISOTROPY
933		float anisotropy;
934		float alphaT;
935		vec3 anisotropyT;
936		vec3 anisotropyB;
937	#endif
938};
939vec3 clearcoatSpecularDirect = vec3( 0.0 );
940vec3 clearcoatSpecularIndirect = vec3( 0.0 );
941vec3 sheenSpecularDirect = vec3( 0.0 );
942vec3 sheenSpecularIndirect = vec3(0.0 );
943vec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {
944    float x = clamp( 1.0 - dotVH, 0.0, 1.0 );
945    float x2 = x * x;
946    float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );
947    return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );
948}
949float V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {
950	float a2 = pow2( alpha );
951	float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );
952	float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );
953	return 0.5 / max( gv + gl, EPSILON );
954}
955float D_GGX( const in float alpha, const in float dotNH ) {
956	float a2 = pow2( alpha );
957	float denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;
958	return RECIPROCAL_PI * a2 / pow2( denom );
959}
960#ifdef USE_ANISOTROPY
961	float V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {
962		float gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );
963		float gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );
964		return 0.5 / max( gv + gl, EPSILON )

964;
965	}
966	float D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {
967		float a2 = alphaT * alphaB;
968		highp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );
969		highp float v2 = dot( v, v );
970		float w2 = a2 / v2;
971		return RECIPROCAL_PI * a2 * pow2 ( w2 );
972	}
973#endif
974#ifdef USE_CLEARCOAT
975	vec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {
976		vec3 f0 = material.clearcoatF0;
977		float f90 = material.clearcoatF90;
978		float roughness = material.clearcoatRoughness;
979		float alpha = pow2( roughness );
980		vec3 halfDir = normalize( lightDir + viewDir );
981		float dotNL = saturate( dot( normal, lightDir ) );
982		float dotNV = saturate( dot( normal, viewDir ) );
983		float dotNH = saturate( dot( normal, halfDir ) );
984		float dotVH = saturate( dot( viewDir, halfDir ) );
985		vec3 F = F_Schlick( f0, f90, dotVH );
986		float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );
987		float D = D_GGX( alpha, dotNH );
988		return F * ( V * D );
989	}
990#endif
991vec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {
992	vec3 f0 = material.specularColorBlended;
993	float f90 = material.specularF90;
994	float roughness = material.roughness;
995	float alpha = pow2( roughness );
996	vec3 halfDir = normalize( lightDir + viewDir );
997	float dotNL = saturate( dot( normal, lightDir ) );
998	float dotNV = saturate( dot( normal, viewDir ) );
999	float dotNH = saturate( dot( normal, halfDir ) );
1000	float dotVH = saturate( dot( viewDir, halfDir ) );
1001	vec3 F = F_Schlick( f0, f90, dotVH );
1002	#ifdef USE_IRIDESCENCE
1003		F = mix( F, material.iridescenceFresnel, material.iridescence );
1004	#endif
1005	#ifdef USE_ANISOTROPY
1006		float dotTL = dot( material.anisotropyT, lightDir );
1007		float dotTV = dot( material.anisotropyT, viewDir );
1008		float dotTH = dot( material.anisotropyT, halfDir );
1009		float dotBL = dot( material.anisotropyB, lightDir );
1010		float dotBV = dot( material.anisotropyB, viewDir );
1011		float dotBH = dot( material.anisotropyB, halfDir );
1012		float V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );
1013		float D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );
1014	#else
1015		float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );
1016		float D = D_GGX( alpha, dotNH );
1017	#endif
1018	return F * ( V * D );
1019}
1020vec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {
1021	const float LUT_SIZE = 64.0;
1022	const float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;
1023	const float LUT_BIAS = 0.5 / LUT_SIZE;
1024	float dotNV = saturate( dot( N, V ) );
1025	vec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );
1026	uv = uv * LUT_SCALE + LUT_BIAS;
1027	return uv;
1028}
1029float LTC_ClippedSphereFormFactor( const in vec3 f ) {
1030	float l = length( f );
1031	return max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );
1032}
1033vec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {
1034	float x = dot( v1, v2 );
1035	float y = abs( x );
1036	float a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;
1037	float b = 3.4175940 + ( 4.1616724 + y ) * y;
1038	float v = a / b;
1039	float theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;
1040	return cross( v1, v2 ) * theta_sintheta;
1041}
1042vec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {
1043	vec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];
1044	vec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];
1045	vec3 lightNormal = cross( v1, v2 );
1046	if( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );
1047	vec3 T1, T2;
1048	T1 = normalize( V - N * dot( V, N ) );
1049	T2 = - cross( N, T1 );
1050	mat3 mat = mInv * transpose( mat3( T1, T2, N ) );
1051	vec3 coords[ 4 ];
1052	coords[ 0 ] = mat * ( rectCoords[ 0 ] - P );
1053	coords[ 1 ] = mat * ( rectCoords[ 1 ] - P );
1054	coords[ 2 ] = mat * ( rectCoords[ 2 ] - P );
1055	coords[ 3 ] = mat * ( rectCoords[ 3 ] - P );
1056	coords[ 0 ] = normalize( coords[ 0 ] );
1057	coords[ 1 ] = normalize( coords[ 1 ] );
1058	coords[ 2 ] = normalize( coords[ 2 ] );
1059	coords[ 3 ] = normalize( coords[ 3 ] );
1060	vec3 vectorFormFactor = vec3( 0.0 );
1061	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );
1062	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );
1063	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );
1064	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );
1065	float result = LTC_ClippedSphereFormFactor( vectorFormFactor );
1066	return vec3( result );
1067}
1068#if defined( USE_SHEEN )
1069float D_Charlie( float roughness, float dotNH ) {
1070	float alpha = pow2( roughness );
1071	float invAlpha = 1.0 / alpha;
1072	float cos2h = dotNH * dotNH;
1073	float sin2h = max( 1.0 - cos2h, 0.0078125 );
1074	return ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );
1075}
1076float V_Neubelt( float dotNV, float dotNL ) {
1077	return saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );
1078}
1079vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {
1080	vec3 halfDir = normalize( lightDir + viewDir );
1081	float dotNL = saturate( dot( normal, lightDir ) );
1082	float dotNV = saturate( dot( normal, viewDir ) );
1083	float dotNH = saturate( dot( normal, halfDir ) );
1084	float D = D_Charlie( sheenRoughness, dotNH );
1085	float V = V_Neubelt( dotNV, dotNL );
1086	return sheenColor * ( D * V );
1087}
1088#endif
1089float IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {
1090	float dotNV = saturate( dot( normal, viewDir ) );
1091	float r2 = roughness * roughness;
1092	float rInv = 1.0 / ( roughness + 0.1 );
1093	float a = -1.9362 + 1.0678 * roughness + 0.4573 * r2 - 0.8469 * rInv;
1094	float b = -0.6014 + 0.5538 * roughness - 0.4670 * r2 - 0.1255 * rInv;
1095	float DG = exp( a * dotNV + b );
1096	return saturate( DG );
1097}
1098vec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {
1099	float dotNV = saturate( dot( normal, viewDir ) );
1100	vec2 fab = texture2D( dfgLUT, vec2( roughness, dotNV ) ).rg;
1101	return specularColor * fab.x + specularF90 * fab.y;
1102}
1103#ifdef USE_IRIDESCENCE
1104void 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 ) {
1105#else
1106void 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 ) {
1107#endif
1108	float dotNV = saturate( dot( normal, viewDir ) );
1109	vec2 fab = texture2D( dfgLUT, vec2( roughness, dotNV ) ).rg;
1110	#ifdef USE_IRIDESCENCE
1111		vec3 Fr = mix( specularColor, iridescenceF0, iridescence );
1112	#else
1113		vec3 Fr = specularColor;
1114	#endif
1115	vec3 FssEss = Fr * fab.x + specularF90 * fab.y;
1116	float Ess = fab.x + fab.y;
1117	float Ems = 1.0 - Ess;
1118	vec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;	vec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );
1119	singleScatter += FssEss;
1120	multiScatter += Fms * Ems;
1121}
1122vec3 BRDF_GGX_Multiscatter( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {
1123	vec3 singleScatter = BRDF_GGX( lightDir, viewDir, normal, material );

1124	float dotNL = saturate( dot( normal, lightDir ) );
1125	float dotNV = saturate( dot( normal, viewDir ) );
1126	vec2 dfgV = texture2D( dfgLUT, vec2( material.roughness, dotNV ) ).rg;
1127	vec2 dfgL = texture2D( dfgLUT, vec2( material.roughness, dotNL ) ).rg;
1128	vec3 FssEss_V = material.specularColorBlended * dfgV.x + material.specularF90 * dfgV.y;
1129	vec3 FssEss_L = material.specularColorBlended * dfgL.x + material.specularF90 * dfgL.y;
1130	float Ess_V = dfgV.x + dfgV.y;
1131	float Ess_L = dfgL.x + dfgL.y;
1132	float Ems_V = 1.0 - Ess_V;
1133	float Ems_L = 1.0 - Ess_L;
1134	vec3 Favg = material.specularColorBlended + ( 1.0 - material.specularColorBlended ) * 0.047619;
1135	vec3 Fms = FssEss_V * FssEss_L * Favg / ( 1.0 - Ems_V * Ems_L * Favg + EPSILON );
1136	float compensationFactor = Ems_V * Ems_L;
1137	vec3 multiScatter = Fms * compensationFactor;
1138	return singleScatter + multiScatter;
1139}
1140#if NUM_RECT_AREA_LIGHTS > 0
1141	void RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {
1142		vec3 normal = geometryNormal;
1143		vec3 viewDir = geometryViewDir;
1144		vec3 position = geometryPosition;
1145		vec3 lightPos = rectAreaLight.position;
1146		vec3 halfWidth = rectAreaLight.halfWidth;
1147		vec3 halfHeight = rectAreaLight.halfHeight;
1148		vec3 lightColor = rectAreaLight.color;
1149		float roughness = material.roughness;
1150		vec3 rectCoords[ 4 ];
1151		rectCoords[ 0 ] = lightPos + halfWidth - halfHeight;		rectCoords[ 1 ] = lightPos - halfWidth - halfHeight;
1152		rectCoords[ 2 ] = lightPos - halfWidth + halfHeight;
1153		rectCoords[ 3 ] = lightPos + halfWidth + halfHeight;
1154		vec2 uv = LTC_Uv( normal, viewDir, roughness );
1155		vec4 t1 = texture2D( ltc_1, uv );
1156		vec4 t2 = texture2D( ltc_2, uv );
1157		mat3 mInv = mat3(
1158			vec3( t1.x, 0, t1.y ),
1159			vec3(    0, 1,    0 ),
1160			vec3( t1.z, 0, t1.w )
1161		);
1162		vec3 fresnel = ( material.specularColorBlended * t2.x + ( material.specularF90 - material.specularColorBlended ) * t2.y );
1163		reflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );
1164		reflectedLight.directDiffuse += lightColor * material.diffuseContribution * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );
1165		#ifdef USE_CLEARCOAT
1166			vec3 Ncc = geometryClearcoatNormal;
1167			vec2 uvClearcoat = LTC_Uv( Ncc, viewDir, material.clearcoatRoughness );
1168			vec4 t1Clearcoat = texture2D( ltc_1, uvClearcoat );
1169			vec4 t2Clearcoat = texture2D( ltc_2, uvClearcoat );
1170			mat3 mInvClearcoat = mat3(
1171				vec3( t1Clearcoat.x, 0, t1Clearcoat.y ),
1172				vec3(             0, 1,             0 ),
1173				vec3( t1Clearcoat.z, 0, t1Clearcoat.w )
1174			);
1175			vec3 fresnelClearcoat = material.clearcoatF0 * t2Clearcoat.x + ( material.clearcoatF90 - material.clearcoatF0 ) * t2Clearcoat.y;
1176			clearcoatSpecularDirect += lightColor * fresnelClearcoat * LTC_Evaluate( Ncc, viewDir, position, mInvClearcoat, rectCoords );
1177		#endif
1178	}
1179#endif
1180void RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {
1181	float dotNL = saturate( dot( geometryNormal, directLight.direction ) );
1182	vec3 irradiance = dotNL * directLight.color;
1183	#ifdef USE_CLEARCOAT
1184		float dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );
1185		vec3 ccIrradiance = dotNLcc * directLight.color;
1186		clearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );
1187	#endif
1188	#ifdef USE_SHEEN
1189 
1190 		sheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );
1191 
1192 		float sheenAlbedoV = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );
1193 		float sheenAlbedoL = IBLSheenBRDF( geometryNormal, directLight.direction, material.sheenRoughness );
1194 
1195 		float sheenEnergyComp = 1.0 - max3( material.sheenColor ) * max( sheenAlbedoV, sheenAlbedoL );
1196 
1197 		irradiance *= sheenEnergyComp;
1198 
1199 	#endif
1200	reflectedLight.directSpecular += irradiance * BRDF_GGX_Multiscatter( directLight.direction, geometryViewDir, geometryNormal, material );
1201	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseContribution );
1202}
1203void RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {
1204	vec3 diffuse = irradiance * BRDF_Lambert( material.diffuseContribution );
1205	#ifdef USE_SHEEN
1206		float sheenAlbedo = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );
1207		float sheenEnergyComp = 1.0 - max3( material.sheenColor ) * sheenAlbedo;
1208		diffuse *= sheenEnergyComp;
1209	#endif
1210	reflectedLight.indirectDiffuse += diffuse;
1211}
1212void RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {
1213	#ifdef USE_CLEARCOAT
1214		clearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );
1215	#endif
1216	#ifdef USE_SHEEN
1217		sheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness ) * RECIPROCAL_PI;
1218 	#endif
1219	vec3 singleScatteringDielectric = vec3( 0.0 );
1220	vec3 multiScatteringDielectric = vec3( 0.0 );
1221	vec3 singleScatteringMetallic = vec3( 0.0 );
1222	vec3 multiScatteringMetallic = vec3( 0.0 );
1223	#ifdef USE_IRIDESCENCE
1224		computeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnelDielectric, material.roughness, singleScatteringDielectric, multiScatteringDielectric );
1225		computeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.diffuseColor, material.specularF90, material.iridescence, material.iridescenceFresnelMetallic, material.roughness, singleScatteringMetallic, multiScatteringMetallic );
1226	#else
1227		computeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScatteringDielectric, multiScatteringDielectric );
1228		computeMultiscattering( geometryNormal, geometryViewDir, material.diffuseColor, material.specularF90, material.roughness, singleScatteringMetallic, multiScatteringMetallic );
1229	#endif
1230	vec3 singleScattering = mix( singleScatteringDielectric, singleScatteringMetallic, material.metalness );
1231	vec3 multiScattering = mix( multiScatteringDielectric, multiScatteringMetallic, material.metalness );
1232	vec3 totalScatteringDielectric = singleScatteringDielectric + multiScatteringDielectric;
1233	vec3 diffuse = material.diffuseContribution * ( 1.0 - totalScatteringDielectric );
1234	vec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;
1235	vec3 indirectSpecular = radiance * singleScattering;
1236	indirectSpecular += multiScattering * cosineWeightedIrradiance;
1237	vec3 indirectDiffuse = diffuse * cosineWeightedIrradiance;
1238	#ifdef USE_SHEEN
1239		float sheenAlbedo = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );
1240		float sheenEnergyComp = 1.0 - max3( material.sheenColor ) * sheenAlbedo;
1241		indirectSpecular *= sheenEnergyComp;
1242		indirectDiffuse *= sheenEnergyComp;
1243	#endif
1244	reflectedLight.indirectSpecular += indirectSpecular;
1245	reflectedLight.indirectDiffuse += indirectDiffuse;
1246}
1247#define RE_Direct				RE_Direct_Physical
1248#define RE_Direct_RectArea		RE_Direct_RectArea_Physical
1249#define RE_IndirectDiffuse		RE_IndirectDiffuse_Physical
1250#define RE_IndirectSpecular		RE_IndirectSpecular_Physical
1251float computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {
1252	return saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );
1253}`,

1253Ew=`
1254vec3 geometryPosition = - vViewPosition;
1255vec3 geometryNormal = normal;
1256vec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );
1257vec3 geometryClearcoatNormal = vec3( 0.0 );
1258#ifdef USE_CLEARCOAT
1259	geometryClearcoatNormal = clearcoatNormal;
1260#endif
1261#ifdef USE_IRIDESCENCE
1262	float dotNVi = saturate( dot( normal, geometryViewDir ) );
1263	if ( material.iridescenceThickness == 0.0 ) {
1264		material.iridescence = 0.0;
1265	} else {
1266		material.iridescence = saturate( material.iridescence );
1267	}
1268	if ( material.iridescence > 0.0 ) {
1269		material.iridescenceFresnelDielectric = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );
1270		material.iridescenceFresnelMetallic = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.diffuseColor );
1271		material.iridescenceFresnel = mix( material.iridescenceFresnelDielectric, material.iridescenceFresnelMetallic, material.metalness );
1272		material.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );
1273	}
1274#endif
1275IncidentLight directLight;
1276#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )
1277	PointLight pointLight;
1278	#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0
1279	PointLightShadow pointLightShadow;
1280	#endif
1281	#pragma unroll_loop_start
1282	for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {
1283		pointLight = pointLights[ i ];
1284		getPointLightInfo( pointLight, geometryPosition, directLight );
1285		#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS ) && ( defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_BASIC ) )
1286		pointLightShadow = pointLightShadows[ i ];
1287		directLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;
1288		#endif
1289		RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );
1290	}
1291	#pragma unroll_loop_end
1292#endif
1293#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )
1294	SpotLight spotLight;
1295	vec4 spotColor;
1296	vec3 spotLightCoord;
1297	bool inSpotLightMap;
1298	#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0
1299	SpotLightShadow spotLightShadow;
1300	#endif
1301	#pragma unroll_loop_start
1302	for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {
1303		spotLight = spotLights[ i ];
1304		getSpotLightInfo( spotLight, geometryPosition, directLight );
1305		#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )
1306		#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX
1307		#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )
1308		#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS
1309		#else
1310		#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )
1311		#endif
1312		#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )
1313			spotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;
1314			inSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );
1315			spotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );
1316			directLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;
1317		#endif
1318		#undef SPOT_LIGHT_MAP_INDEX
1319		#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )
1320		spotLightShadow = spotLightShadows[ i ];
1321		directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;
1322		#endif
1323		RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );
1324	}
1325	#pragma unroll_loop_end
1326#endif
1327#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )
1328	DirectionalLight directionalLight;
1329	#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0
1330	DirectionalLightShadow directionalLightShadow;
1331	#endif
1332	#pragma unroll_loop_start
1333	for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {
1334		directionalLight = directionalLights[ i ];
1335		getDirectionalLightInfo( directionalLight, directLight );
1336		#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )
1337		directionalLightShadow = directionalLightShadows[ i ];
1338		directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;
1339		#endif
1340		RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );
1341	}
1342	#pragma unroll_loop_end
1343#endif
1344#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )
1345	RectAreaLight rectAreaLight;
1346	#pragma unroll_loop_start
1347	for ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {
1348		rectAreaLight = rectAreaLights[ i ];
1349		RE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );
1350	}
1351	#pragma unroll_loop_end
1352#endif
1353#if defined( RE_IndirectDiffuse )
1354	vec3 iblIrradiance = vec3( 0.0 );
1355	vec3 irradiance = getAmbientLightIrradiance( ambientLightColor );
1356	#if defined( USE_LIGHT_PROBES )
1357		irradiance += getLightProbeIrradiance( lightProbe, geometryNormal );
1358	#endif
1359	#if ( NUM_HEMI_LIGHTS > 0 )
1360		#pragma unroll_loop_start
1361		for ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {
1362			irradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );
1363		}
1364		#pragma unroll_loop_end
1365	#endif
1366	#ifdef USE_LIGHT_PROBES_GRID
1367		vec3 probeWorldPos = ( ( vec4( geometryPosition, 1.0 ) - viewMatrix[ 3 ] ) * viewMatrix ).xyz;
1368		vec3 probeWorldNormal = inverseTransformDirection( geometryNormal, viewMatrix );
1369		irradiance += getLightProbeGridIrradiance( probeWorldPos, probeWorldNormal );
1370	#endif
1371#endif
1372#if defined( RE_IndirectSpecular )
1373	vec3 radiance = vec3( 0.0 );
1374	vec3 clearcoatRadiance = vec3( 0.0 );
1375#endif`,Tw=`#if defined( RE_IndirectDiffuse )
1376	#ifdef USE_LIGHTMAP
1377		vec4 lightMapTexel = texture2D( lightMap, vLightMapUv );
1378		vec3 lightMapIrradiance = lightMapTexel.rgb * lightMapIntensity;
1379		irradiance += lightMapIrradiance;
1380	#endif
1381	#if defined( USE_ENVMAP ) && defined( ENVMAP_TYPE_CUBE_UV )
1382		#if defined( STANDARD ) || defined( LAMBERT ) || defined( PHONG )
1383			iblIrradiance += getIBLIrradiance( geometryNormal );
1384		#endif
1385	#endif
1386#endif
1387#if defined( USE_ENVMAP ) && defined( RE_IndirectSpecular )
1388	#ifdef USE_ANISOTROPY
1389		radiance += getIBLAnisotropyRadiance( geometryViewDir, geometryNormal, material.roughness, material.anisotropyB, material.anisotropy );
1390	#else
1391		radiance += getIBLRadiance( geometryViewDir, geometryNormal, material.roughness );
1392	#endif
1393	#ifdef USE_CLEARCOAT
1394		clearcoatRadiance += getIBLRadiance( geometryViewDir, geometryClearcoatNormal, material.clearcoatRoughness );
1395	#endif
1396#endif`,ww=`#if defined( RE_IndirectDiffuse )
1397	#if defined( LAMBERT ) || defined( PHONG )
1398		irradiance += iblIrradiance;
1399	#endif
1400	RE_IndirectDiffuse( irradiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );
1401#endif
1402#if defined( RE_IndirectSpecular )
1403	RE_IndirectSpecular( radiance, iblIrradiance, clearcoatRadiance, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );
1404#endif`,Aw=`#ifdef USE_LIGHT_PROBES_GRID
1405uniform highp sampler3D probesSH;
1406uniform vec3 probesMin;
1407uniform vec3 probesMax;
1408uniform vec3 probesResolution;
1409vec3 getLightProbeGridIrradiance( vec3 worldPos, vec3 worldNormal ) {
1410	vec3 res = probesResolution;
1411	vec3 gridRange = probesMax - probesMin;
1412	vec3 resMinusOne = res - 1.0;
1413	vec3 probeSpacing = gridRange / resMinusOne;
1414	vec3 samplePos = worldPos + worldNormal * probeSpacing * 0.5;
1415	vec3 uvw = clamp( ( samplePos - probesMin ) / gridRange, 0.0, 1.0 );
1416	uvw = uvw * resMinusOne / res + 0.5 / res;
1417	float nz          = res.z;
1418	float paddedSlices = nz + 2.0;
1419	float atlasDepth  = 7.0 * paddedSlices;
1420	float uvZBase     = uvw.z * nz + 1.0;
1421	vec4 s0 = texture( probesSH, vec3( uvw.xy, ( uvZBase                       ) / atlasDepth ) );
1422	vec4 s1 = texture( probesSH, vec3( uvw.xy, ( uvZBase +       paddedSlices   ) / atlasDepth ) );
1423	vec4 s2 = texture( probesSH, vec3( uvw.xy, ( uvZBase + 2.0 * paddedSlices   ) / atlasDepth ) );
1424	vec4 s3 = texture( probesSH, vec3( uvw.xy, ( uvZBase + 3.0 * paddedSlices   ) / atlasDepth ) );
1425	vec4 s4 = texture( probesSH, vec3( uvw.xy, ( uvZBase + 4.0 * paddedSlices   ) / atlasDepth ) );
1426	vec4 s5 = texture( probesSH, vec3( uvw.xy, ( uvZBase + 5.0 * paddedSlices   ) / atlasDepth ) );
1427	vec4 s6 = texture( probesSH, vec3( uvw.xy, ( uvZBase + 6.0 * paddedSlices   ) / atlasDepth ) );
1428	vec3 c0 = s0.xyz;
1429	vec3 c1 = vec3( s0.w, s1.xy );
1430	vec3 c2 = vec3( s1.zw, s2.x );
1431	vec3 c3 = s2.yzw;
1432	vec3 c4 = s3.xyz;
1433	vec3 c5 = vec3( s3.w, s4.xy );
1434	vec3 c6 = vec3( s4.zw, s5.x );
1435	vec3 c7 = s5.yzw;
1436	vec3 c8 = s6.xyz;
1437	float x = worldNormal.x, y = worldNormal.y, z = worldNormal.z;
1438	vec3 result = c0 * 0.886227;
1439	result += c1 * 2.0 * 0.511664 * y;
1440	result += c2 * 2.0 * 0.511664 * z;
1441	result += c3 * 2.0 * 0.511664 * x;
1442	result += c4 * 2.0 * 0.429043 * x * y;
1443	result += c5 * 2.0 * 0.429043 * y * z;
1444	result += c6 * ( 0.743125 * z * z - 0.247708 );
1445	result += c7 * 2.0 * 0.429043 * x * z;
1446	result += c8 * 0.429043 * ( x * x - y * y );
1447	return max( result, vec3( 0.0 ) );
1448}
1449#endif`,Cw=`#if defined( USE_LOGARITHMIC_DEPTH_BUFFER )
1450	gl_FragDepth = vIsPerspective == 0.0 ? gl_FragCoord.z : log2( vFragDepth ) * logDepthBufFC * 0.5;
1451#endif`,Rw=`#if defined( USE_LOGARITHMIC_DEPTH_BUFFER )
1452	uniform float logDepthBufFC;
1453	varying float vFragDepth;
1454	varying float vIsPerspective;
1455#endif`,Iw=`#ifdef USE_LOGARITHMIC_DEPTH_BUFFER
1456	varying float vFragDepth;
1457	varying float vIsPerspective;
1458#endif`,Pw=`#ifdef USE_LOGARITHMIC_DEPTH_BUFFER
1459	vFragDepth = 1.0 + gl_Position.w;
1460	vIsPerspective = float( isPerspectiveMatrix( projectionMatrix ) );
1461#endif`,Lw=`#ifdef USE_MAP
1462	vec4 sampledDiffuseColor = texture2D( map, vMapUv );
1463	#ifdef DECODE_VIDEO_TEXTURE
1464		sampledDiffuseColor = sRGBTransferEOTF( sampledDiffuseColor );
1465	#endif
1466	diffuseColor *= sampledDiffuseColor;
1467#endif`,Nw=`#ifdef USE_MAP
1468	uniform sampler2D map;
1469#endif`,Dw=`#if defined( USE_MAP ) || defined( USE_ALPHAMAP )
1470	#if defined( USE_POINTS_UV )
1471		vec2 uv = vUv;
1472	#else
1473		vec2 uv = ( uvTransform * vec3( gl_PointCoord.x, 1.0 - gl_PointCoord.y, 1 ) ).xy;
1474	#endif
1475#endif
1476#ifdef USE_MAP
1477	diffuseColor *= texture2D( map, uv );
1478#endif
1479#ifdef USE_ALPHAMAP
1480	diffuseColor.a *= texture2D( alphaMap, uv ).g;
1481#endif`,Ow=`#if defined( USE_POINTS_UV )
1482	varying vec2 vUv;
1483#else
1484	#if defined( USE_MAP ) || defined( USE_ALPHAMAP )
1485		uniform mat3 uvTransform;
1486	#endif
1487#endif
1488#ifdef USE_MAP
1489	uniform sampler2D map;
1490#endif
1491#ifdef USE_ALPHAMAP
1492	uniform sampler2D alphaMap;
1493#endif`,Uw=`float metalnessFactor = metalness;
1494#ifdef USE_METALNESSMAP
1495	vec4 texelMetalness = texture2D( metalnessMap, vMetalnessMapUv );
1496	metalnessFactor *= texelMetalness.b;
1497#endif`,Fw=`#ifdef USE_METALNESSMAP
1498	uniform sampler2D metalnessMap;
1499#endif`,Bw=`#ifdef USE_INSTANCING_MORPH
1500	float morphTargetInfluences[ MORPHTARGETS_COUNT ];
1501	float morphTargetBaseInfluence = texelFetch( morphTexture, ivec2( 0, gl_InstanceID ), 0 ).r;
1502	for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {
1503		morphTargetInfluences[i] =  texelFetch( morphTexture, ivec2( i + 1, gl_InstanceID ), 0 ).r;
1504	}
1505#endif`,kw=`#if defined( USE_MORPHCOLORS )
1506	vColor *= morphTargetBaseInfluence;
1507	for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {
1508		#if defined( USE_COLOR_ALPHA )
1509			if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ) * morphTargetInfluences[ i ];
1510		#elif defined( USE_COLOR )
1511			if ( morphTargetInfluences[ i ] != 0.0 ) vColor += getMorph( gl_VertexID, i, 2 ).rgb * morphTargetInfluences[ i ];
1512		#endif
1513	}
1514#endif`,Vw=`#ifdef USE_MORPHNORMALS
1515	objectNormal *= morphTargetBaseInfluence;
1516	for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {
1517		if ( morphTargetInfluences[ i ] != 0.0 ) objectNormal += getMorph( gl_VertexID, i, 1 ).xyz * morphTargetInfluences[ i ];
1518	}
1519#endif`,zw=`#ifdef USE_MORPHTARGETS
1520	#ifndef USE_INSTANCING_MORPH
1521		uniform float morphTargetBaseInfluence;
1522		uniform float morphTargetInfluences[ MORPHTARGETS_COUNT ];
1523	#endif
1524	uniform sampler2DArray morphTargetsTexture;
1525	uniform ivec2 morphTargetsTextureSize;
1526	vec4 getMorph( const in int vertexIndex, const in int morphTargetIndex, const in int offset ) {
1527		int texelIndex = vertexIndex * MORPHTARGETS_TEXTURE_STRIDE + offset;
1528		int y = texelIndex / morphTargetsTextureSize.x;
1529		int x = texelIndex - y * morphTargetsTextureSize.x;
1530		ivec3 morphUV = ivec3( x, y, morphTargetIndex );
1531		return texelFetch( morphTargetsTexture, morphUV, 0 );
1532	}
1533#endif`,Hw=`#ifdef USE_MORPHTARGETS
1534	transformed *= morphTargetBaseInfluence;
1535	for ( int i = 0; i < MORPHTARGETS_COUNT; i ++ ) {
1536		if ( morphTargetInfluences[ i ] != 0.0 ) transformed += getMorph( gl_VertexID, i, 0 ).xyz * morphTargetInfluences[ i ];
1537	}
1538#endif`,Gw=`float faceDirection = gl_FrontFacing ? 1.0 : - 1.0;
1539#ifdef FLAT_SHADED
1540	vec3 fdx = dFdx( vViewPosition );
1541	vec3 fdy = dFdy( vViewPosition );
1542	vec3 normal = normalize( cross( fdx, fdy ) );
1543#else
1544	vec3 normal = normalize( vNormal );
1545	#ifdef DOUBLE_SIDED
1546		normal *= faceDirection;
1547	#endif
1548#endif
1549#if defined( USE_NORMALMAP_TANGENTSPACE ) || defined( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY )
1550	#ifdef USE_TANGENT
1551		mat3 tbn = mat3( normalize( vTangent ), normalize( vBitangent ), normal );
1552	#else
1553		mat3 tbn = getTangentFrame( - vViewPosition, normal,
1554		#if defined( USE_NORMALMAP )
1555			vNormalMapUv
1556		#elif defined( USE_CLEARCOAT_NORMALMAP )
1557			vClearcoatNormalMapUv
1558		#else
1559			vUv
1560		#endif
1561		);
1562	#endif
1563	#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )
1564		tbn[0] *= faceDirection;
1565		tbn[1] *= faceDirection;
1566	#endif
1567#endif
1568#ifdef USE_CLEARCOAT_NORMALMAP
1569	#ifdef USE_TANGENT
1570		mat3 tbn2 = mat3( normalize( vTangent ), normalize( vBitangent ), normal );
1571	#else
1572		mat3 tbn2 = getTangentFrame( - vViewPosition, normal, vClearcoatNormalMapUv );
1573	#endif
1574	#if defined( DOUBLE_SIDED ) && ! defined( FLAT_SHADED )
1575		tbn2[0] *= faceDirection;
1576		tbn2[1] *= faceDirection;
1577	#endif
1578#endif
1579vec3 nonPerturbedNormal = normal;`,Ww=`#ifdef USE_NORMALMAP_OBJECTSPACE
1580	normal = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;
1581	#ifdef FLIP_SIDED
1582		normal = - normal;
1583	#endif
1584	#ifdef DOUBLE_SIDED
1585		normal = normal * faceDirection;
1586	#endif
1587	normal = normalize( normalMatrix * normal );
1588#elif defined( USE_NORMALMAP_TANGENTSPACE )
1589	vec3 mapN = texture2D( normalMap, vNormalMapUv ).xyz * 2.0 - 1.0;
1590	#if defined( USE_PACKED_NORMALMAP )
1591		mapN = vec3( mapN.xy, sqrt( saturate( 1.0 - dot( mapN.xy, mapN.xy ) ) ) );
1592	#endif
1593	mapN.xy *= normalScale;
1594	normal = normalize( tbn * mapN );
1595#elif defined( USE_BUMPMAP )

1596	normal = perturbNormalArb( - vViewPosition, normal, dHdxy_fwd(), faceDirection );
1597#endif`,Xw=`#ifndef FLAT_SHADED
1598	varying vec3 vNormal;
1599	#ifdef USE_TANGENT
1600		varying vec3 vTangent;
1601		varying vec3 vBitangent;
1602	#endif
1603#endif`,qw=`#ifndef FLAT_SHADED
1604	varying vec3 vNormal;
1605	#ifdef USE_TANGENT
1606		varying vec3 vTangent;
1607		varying vec3 vBitangent;
1608	#endif
1609#endif`,$w=`#ifndef FLAT_SHADED
1610	vNormal = normalize( transformedNormal );
1611	#ifdef USE_TANGENT
1612		vTangent = normalize( transformedTangent );
1613		vBitangent = normalize( cross( vNormal, vTangent ) * tangent.w );
1614	#endif
1615#endif`,Yw=`#ifdef USE_NORMALMAP
1616	uniform sampler2D normalMap;
1617	uniform vec2 normalScale;
1618#endif
1619#ifdef USE_NORMALMAP_OBJECTSPACE
1620	uniform mat3 normalMatrix;
1621#endif
1622#if ! defined ( USE_TANGENT ) && ( defined ( USE_NORMALMAP_TANGENTSPACE ) || defined ( USE_CLEARCOAT_NORMALMAP ) || defined( USE_ANISOTROPY ) )
1623	mat3 getTangentFrame( vec3 eye_pos, vec3 surf_norm, vec2 uv ) {
1624		vec3 q0 = dFdx( eye_pos.xyz );
1625		vec3 q1 = dFdy( eye_pos.xyz );
1626		vec2 st0 = dFdx( uv.st );
1627		vec2 st1 = dFdy( uv.st );
1628		vec3 N = surf_norm;
1629		vec3 q1perp = cross( q1, N );
1630		vec3 q0perp = cross( N, q0 );
1631		vec3 T = q1perp * st0.x + q0perp * st1.x;
1632		vec3 B = q1perp * st0.y + q0perp * st1.y;
1633		float det = max( dot( T, T ), dot( B, B ) );
1634		float scale = ( det == 0.0 ) ? 0.0 : inversesqrt( det );
1635		return mat3( T * scale, B * scale, N );
1636	}
1637#endif`,Zw=`#ifdef USE_CLEARCOAT
1638	vec3 clearcoatNormal = nonPerturbedNormal;
1639#endif`,Kw=`#ifdef USE_CLEARCOAT_NORMALMAP
1640	vec3 clearcoatMapN = texture2D( clearcoatNormalMap, vClearcoatNormalMapUv ).xyz * 2.0 - 1.0;
1641	clearcoatMapN.xy *= clearcoatNormalScale;
1642	clearcoatNormal = normalize( tbn2 * clearcoatMapN );
1643#endif`,Jw=`#ifdef USE_CLEARCOATMAP
1644	uniform sampler2D clearcoatMap;
1645#endif
1646#ifdef USE_CLEARCOAT_NORMALMAP
1647	uniform sampler2D clearcoatNormalMap;
1648	uniform vec2 clearcoatNormalScale;
1649#endif
1650#ifdef USE_CLEARCOAT_ROUGHNESSMAP
1651	uniform sampler2D clearcoatRoughnessMap;
1652#endif`,jw=`#ifdef USE_IRIDESCENCEMAP
1653	uniform sampler2D iridescenceMap;
1654#endif
1655#ifdef USE_IRIDESCENCE_THICKNESSMAP
1656	uniform sampler2D iridescenceThicknessMap;
1657#endif`,Qw=`#ifdef OPAQUE
1658diffuseColor.a = 1.0;
1659#endif
1660#ifdef USE_TRANSMISSION
1661diffuseColor.a *= material.transmissionAlpha;
1662#endif
1663gl_FragColor = vec4( outgoingLight, diffuseColor.a );`,eA=`vec3 packNormalToRGB( const in vec3 normal ) {
1664	return normalize( normal ) * 0.5 + 0.5;
1665}
1666vec3 unpackRGBToNormal( const in vec3 rgb ) {
1667	return 2.0 * rgb.xyz - 1.0;
1668}
1669const float PackUpscale = 256. / 255.;const float UnpackDownscale = 255. / 256.;const float ShiftRight8 = 1. / 256.;
1670const float Inv255 = 1. / 255.;
1671const vec4 PackFactors = vec4( 1.0, 256.0, 256.0 * 256.0, 256.0 * 256.0 * 256.0 );
1672const vec2 UnpackFactors2 = vec2( UnpackDownscale, 1.0 / PackFactors.g );
1673const vec3 UnpackFactors3 = vec3( UnpackDownscale / PackFactors.rg, 1.0 / PackFactors.b );
1674const vec4 UnpackFactors4 = vec4( UnpackDownscale / PackFactors.rgb, 1.0 / PackFactors.a );
1675vec4 packDepthToRGBA( const in float v ) {
1676	if( v <= 0.0 )
1677		return vec4( 0., 0., 0., 0. );
1678	if( v >= 1.0 )
1679		return vec4( 1., 1., 1., 1. );
1680	float vuf;
1681	float af = modf( v * PackFactors.a, vuf );
1682	float bf = modf( vuf * ShiftRight8, vuf );
1683	float gf = modf( vuf * ShiftRight8, vuf );
1684	return vec4( vuf * Inv255, gf * PackUpscale, bf * PackUpscale, af );
1685}
1686vec3 packDepthToRGB( const in float v ) {
1687	if( v <= 0.0 )
1688		return vec3( 0., 0., 0. );
1689	if( v >= 1.0 )
1690		return vec3( 1., 1., 1. );
1691	float vuf;
1692	float bf = modf( v * PackFactors.b, vuf );
1693	float gf = modf( vuf * ShiftRight8, vuf );
1694	return vec3( vuf * Inv255, gf * PackUpscale, bf );
1695}
1696vec2 packDepthToRG( const in float v ) {
1697	if( v <= 0.0 )
1698		return vec2( 0., 0. );
1699	if( v >= 1.0 )
1700		return vec2( 1., 1. );
1701	float vuf;
1702	float gf = modf( v * 256., vuf );
1703	return vec2( vuf * Inv255, gf );
1704}
1705float unpackRGBAToDepth( const in vec4 v ) {
1706	return dot( v, UnpackFactors4 );
1707}
1708float unpackRGBToDepth( const in vec3 v ) {
1709	return dot( v, UnpackFactors3 );
1710}
1711float unpackRGToDepth( const in vec2 v ) {
1712	return v.r * UnpackFactors2.r + v.g * UnpackFactors2.g;
1713}
1714vec4 pack2HalfToRGBA( const in vec2 v ) {

1715	vec4 r = vec4( v.x, fract( v.x * 255.0 ), v.y, fract( v.y * 255.0 ) );
1716	return vec4( r.x - r.y / 255.0, r.y, r.z - r.w / 255.0, r.w );
1717}
1718vec2 unpackRGBATo2Half( const in vec4 v ) {
1719	return vec2( v.x + ( v.y / 255.0 ), v.z + ( v.w / 255.0 ) );
1720}
1721float viewZToOrthographicDepth( const in float viewZ, const in float near, const in float far ) {
1722	return ( viewZ + near ) / ( near - far );
1723}
1724float orthographicDepthToViewZ( const in float depth, const in float near, const in float far ) {
1725	#ifdef USE_REVERSED_DEPTH_BUFFER
1726	
1727		return depth * ( far - near ) - far;
1728	#else
1729		return depth * ( near - far ) - near;
1730	#endif
1731}
1732float viewZToPerspectiveDepth( const in float viewZ, const in float near, const in float far ) {
1733	return ( ( near + viewZ ) * far ) / ( ( far - near ) * viewZ );
1734}
1735float perspectiveDepthToViewZ( const in float depth, const in float near, const in float far ) {
1736	
1737	#ifdef USE_REVERSED_DEPTH_BUFFER
1738		return ( near * far ) / ( ( near - far ) * depth - near );
1739	#else
1740		return ( near * far ) / ( ( far - near ) * depth - far );
1741	#endif
1742}`,tA=`#ifdef PREMULTIPLIED_ALPHA
1743	gl_FragColor.rgb *= gl_FragColor.a;
1744#endif`,nA=`vec4 mvPosition = vec4( transformed, 1.0 );
1745#ifdef USE_BATCHING
1746	mvPosition = batchingMatrix * mvPosition;
1747#endif
1748#ifdef USE_INSTANCING
1749	mvPosition = instanceMatrix * mvPosition;
1750#endif
1751mvPosition = modelViewMatrix * mvPosition;
1752gl_Position = projectionMatrix * mvPosition;`,iA=`#ifdef DITHERING
1753	gl_FragColor.rgb = dithering( gl_FragColor.rgb );
1754#endif`,rA=`#ifdef DITHERING
1755	vec3 dithering( vec3 color ) {
1756		float grid_position = rand( gl_FragCoord.xy );
1757		vec3 dither_shift_RGB = vec3( 0.25 / 255.0, -0.25 / 255.0, 0.25 / 255.0 );
1758		dither_shift_RGB = mix( 2.0 * dither_shift_RGB, -2.0 * dither_shift_RGB, grid_position );
1759		return color + dither_shift_RGB;
1760	}
1761#endif`,sA=`float roughnessFactor = roughness;
1762#ifdef USE_ROUGHNESSMAP
1763	vec4 texelRoughness = texture2D( roughnessMap, vRoughnessMapUv );
1764	roughnessFactor *= texelRoughness.g;
1765#endif`,aA=`#ifdef USE_ROUGHNESSMAP
1766	uniform sampler2D roughnessMap;
1767#endif`,oA=`#if NUM_SPOT_LIGHT_COORDS > 0
1768	varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];
1769#endif
1770#if NUM_SPOT_LIGHT_MAPS > 0
1771	uniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];
1772#endif
1773#ifdef USE_SHADOWMAP
1774	#if NUM_DIR_LIGHT_SHADOWS > 0
1775		#if defined( SHADOWMAP_TYPE_PCF )
1776			uniform sampler2DShadow directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];
1777		#else
1778			uniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];
1779		#endif
1780		varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];
1781		struct DirectionalLightShadow {
1782			float shadowIntensity;
1783			float shadowBias;
1784			float shadowNormalBias;
1785			float shadowRadius;
1786			vec2 shadowMapSize;
1787		};
1788		uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];
1789	#endif
1790	#if NUM_SPOT_LIGHT_SHADOWS > 0
1791		#if defined( SHADOWMAP_TYPE_PCF )
1792			uniform sampler2DShadow spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];
1793		#else
1794			uniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];
1795		#endif
1796		struct SpotLightShadow {
1797			float shadowIntensity;
1798			float shadowBias;
1799			float shadowNormalBias;
1800			float shadowRadius;
1801			vec2 shadowMapSize;
1802		};
1803		uniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];
1804	#endif
1805	#if NUM_POINT_LIGHT_SHADOWS > 0
1806		#if defined( SHADOWMAP_TYPE_PCF )
1807			uniform samplerCubeShadow pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];
1808		#elif defined( SHADOWMAP_TYPE_BASIC )
1809			uniform samplerCube pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];
1810		#endif
1811		varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];
1812		struct PointLightShadow {
1813			float shadowIntensity;
1814			float shadowBias;
1815			float shadowNormalBias;
1816			float shadowRadius;
1817			vec2 shadowMapSize;
1818			float shadowCameraNear;
1819			float shadowCameraFar;
1820		};
1821		uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];
1822	#endif
1823	#if defined( SHADOWMAP_TYPE_PCF )
1824		float interleavedGradientNoise( vec2 position ) {
1825			return fract( 52.9829189 * fract( dot( position, vec2( 0.06711056, 0.00583715 ) ) ) );
1826		}
1827		vec2 vogelDiskSample( int sampleIndex, int samplesCount, float phi ) {
1828			const float goldenAngle = 2.399963229728653;
1829			float r = sqrt( ( float( sampleIndex ) + 0.5 ) / float( samplesCount ) );
1830			float theta = float( sampleIndex ) * goldenAngle + phi;
1831			return vec2( cos( theta ), sin( theta ) ) * r;
1832		}
1833	#endif
1834	#if defined( SHADOWMAP_TYPE_PCF )
1835		float getShadow( sampler2DShadow shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {
1836			float shadow = 1.0;
1837			shadowCoord.xyz /= shadowCoord.w;
1838			shadowCoord.z += shadowBias;
1839			bool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;
1840			bool frustumTest = inFrustum && shadowCoord.z <= 1.0;
1841			if ( frustumTest ) {
1842				vec2 texelSize = vec2( 1.0 ) / shadowMapSize;
1843				float radius = shadowRadius * texelSize.x;
1844				float phi = interleavedGradientNoise( gl_FragCoord.xy ) * PI2;
1845				shadow = (
1846					texture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 0, 5, phi ) * radius, shadowCoord.z ) ) +
1847					texture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 1, 5, phi ) * radius, shadowCoord.z ) ) +
1848					texture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 2, 5, phi ) * radius, shadowCoord.z ) ) +
1849					texture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 3, 5, phi ) * radius, shadowCoord.z ) ) +
1850					texture( shadowMap, vec3( shadowCoord.xy + vogelDiskSample( 4, 5, phi ) * radius, shadowCoord.z ) )
1851				) * 0.2;
1852			}
1853			return mix( 1.0, shadow, shadowIntensity );
1854		}
1855	#elif defined( SHADOWMAP_TYPE_VSM )
1856		float getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {
1857			float shadow = 1.0;
1858			shadowCoord.xyz /= shadowCoord.w;
1859			#ifdef USE_REVERSED_DEPTH_BUFFER
1860				shadowCoord.z -= shadowBias;
1861			#else
1862				shadowCoord.z += shadowBias;
1863			#endif
1864			bool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;
1865			bool frustumTest = inFrustum && shadowCoord.z <= 1.0;
1866			if ( frustumTest ) {
1867				vec2 distribution = texture2D( shadowMap, shadowCoord.xy ).rg;
1868				float mean = distribution.x;
1869				float variance = distribution.y * distribution.y;
1870				#ifdef USE_REVERSED_DEPTH_BUFFER
1871					float hard_shadow = step( mean, shadowCoord.z );
1872				#else
1873					float hard_shadow = step( shadowCoord.z, mean );
1874				#endif
1875				
1876				if ( hard_shadow == 1.0 ) {
1877					shadow = 1.0;
1878				} else {
1879					variance = max( variance, 0.0000001 );
1880					float d = shadowCoord.z - mean;
1881					float p_max = variance / ( variance + d * d );
1882					p_max = clamp( ( p_max - 0.3 ) / 0.65, 0.0, 1.0 );
1883					shadow = max( hard_shadow, p_max );
1884				}
1885			}
1886			return mix( 1.0, shadow, shadowIntensity );
1887		}
1888	#else
1889		float getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {
1890			float shadow = 1.0;
1891			shadowCoord.xyz /= shadowCoord.w;
1892			#ifdef USE_REVERSED_DEPTH_BUFFER
1893				shadowCoord.z -= shadowBias;
1894			#else
1895				shadowCoord.z += shadowBias;
1896			#endif
1897			bool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;
1898			bool frustumTest = inFrustum && shadowCoord.z <= 1.0;
1899			if ( frustumTest ) {
1900				float depth = texture2D( shadowMap, shadowCoord.xy ).r;
1901				#ifdef USE_REVERSED_DEPTH_BUFFER
1902					shadow = step( depth, shadowCoord.z );
1903				#else
1904					shadow = step( shadowCoord.z, depth );
1905				#endif
1906			}
1907			return mix( 1.0, shadow, shadowIntensity );
1908		}
1909	#endif
1910	#if NUM_POINT_LIGHT_SHADOWS > 0
1911	#if defined( SHADOWMAP_TYPE_PCF )
1912	float getPointShadow( samplerCubeShadow shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {
1913		float shadow = 1.0;
1914		vec3 lightToPosition = shadowCoord.xyz;
1915		vec3 bd3D = normalize( lightToPosition );
1916		vec3 absVec = abs( lightToPosition );
1917		float viewSpaceZ = max( max( absVec.x, absVec.y ), absVec.z );
1918		if ( viewSpaceZ - shadowCameraFar <= 0.0 && viewSpaceZ - shadowCameraNear >= 0.0 ) {
1919			#ifdef USE_REVERSED_DEPTH_BUFFER
1920				float dp = ( shadowCameraNear * ( shadowCameraFar - viewSpaceZ ) ) / ( viewSpaceZ * ( shadowCameraFar - shadowCameraNear ) );

1921				dp -= shadowBias;
1922			#else
1923				float dp = ( shadowCameraFar * ( viewSpaceZ - shadowCameraNear ) ) / ( viewSpaceZ * ( shadowCameraFar - shadowCameraNear ) );
1924				dp += shadowBias;
1925			#endif
1926			float texelSize = shadowRadius / shadowMapSize.x;
1927			vec3 absDir = abs( bd3D );
1928			vec3 tangent = absDir.x > absDir.z ? vec3( 0.0, 1.0, 0.0 ) : vec3( 1.0, 0.0, 0.0 );
1929			tangent = normalize( cross( bd3D, tangent ) );
1930			vec3 bitangent = cross( bd3D, tangent );
1931			float phi = interleavedGradientNoise( gl_FragCoord.xy ) * PI2;
1932			vec2 sample0 = vogelDiskSample( 0, 5, phi );
1933			vec2 sample1 = vogelDiskSample( 1, 5, phi );
1934			vec2 sample2 = vogelDiskSample( 2, 5, phi );
1935			vec2 sample3 = vogelDiskSample( 3, 5, phi );
1936			vec2 sample4 = vogelDiskSample( 4, 5, phi );
1937			shadow = (
1938				texture( shadowMap, vec4( bd3D + ( tangent * sample0.x + bitangent * sample0.y ) * texelSize, dp ) ) +
1939				texture( shadowMap, vec4( bd3D + ( tangent * sample1.x + bitangent * sample1.y ) * texelSize, dp ) ) +
1940				texture( shadowMap, vec4( bd3D + ( tangent * sample2.x + bitangent * sample2.y ) * texelSize, dp ) ) +
1941				texture( shadowMap, vec4( bd3D + ( tangent * sample3.x + bitangent * sample3.y ) * texelSize, dp ) ) +
1942				texture( shadowMap, vec4( bd3D + ( tangent * sample4.x + bitangent * sample4.y ) * texelSize, dp ) )
1943			) * 0.2;
1944		}
1945		return mix( 1.0, shadow, shadowIntensity );
1946	}
1947	#elif defined( SHADOWMAP_TYPE_BASIC )
1948	float getPointShadow( samplerCube shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {
1949		float shadow = 1.0;
1950		vec3 lightToPosition = shadowCoord.xyz;
1951		vec3 absVec = abs( lightToPosition );
1952		float viewSpaceZ = max( max( absVec.x, absVec.y ), absVec.z );
1953		if ( viewSpaceZ - shadowCameraFar <= 0.0 && viewSpaceZ - shadowCameraNear >= 0.0 ) {
1954			float dp = ( shadowCameraFar * ( viewSpaceZ - shadowCameraNear ) ) / ( viewSpaceZ * ( shadowCameraFar - shadowCameraNear ) );
1955			dp += shadowBias;
1956			vec3 bd3D = normalize( lightToPosition );
1957			float depth = textureCube( shadowMap, bd3D ).r;
1958			#ifdef USE_REVERSED_DEPTH_BUFFER
1959				depth = 1.0 - depth;
1960			#endif
1961			shadow = step( dp, depth );
1962		}
1963		return mix( 1.0, shadow, shadowIntensity );
1964	}
1965	#endif
1966	#endif
1967#endif`,lA=`#if NUM_SPOT_LIGHT_COORDS > 0
1968	uniform mat4 spotLightMatrix[ NUM_SPOT_LIGHT_COORDS ];
1969	varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];
1970#endif
1971#ifdef USE_SHADOWMAP
1972	#if NUM_DIR_LIGHT_SHADOWS > 0
1973		uniform mat4 directionalShadowMatrix[ NUM_DIR_LIGHT_SHADOWS ];
1974		varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];
1975		struct DirectionalLightShadow {
1976			float shadowIntensity;
1977			float shadowBias;
1978			float shadowNormalBias;
1979			float shadowRadius;
1980			vec2 shadowMapSize;
1981		};
1982		uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];
1983	#endif
1984	#if NUM_SPOT_LIGHT_SHADOWS > 0
1985		struct SpotLightShadow {
1986			float shadowIntensity;
1987			float shadowBias;
1988			float shadowNormalBias;
1989			float shadowRadius;
1990			vec2 shadowMapSize;
1991		};
1992		uniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];
1993	#endif
1994	#if NUM_POINT_LIGHT_SHADOWS > 0
1995		uniform mat4 pointShadowMatrix[ NUM_POINT_LIGHT_SHADOWS ];
1996		varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];
1997		struct PointLightShadow {
1998			float shadowIntensity;
1999			float shadowBias;
2000			float shadowNormalBias;
2001			float shadowRadius;
2002			vec2 shadowMapSize;
2003			float shadowCameraNear;
2004			float shadowCameraFar;
2005		};
2006		uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];
2007	#endif
2008#endif`,cA=`#if ( defined( USE_SHADOWMAP ) && ( NUM_DIR_LIGHT_SHADOWS > 0 || NUM_POINT_LIGHT_SHADOWS > 0 ) ) || ( NUM_SPOT_LIGHT_COORDS > 0 )
2009	#ifdef HAS_NORMAL
2010		vec3 shadowWorldNormal = inverseTransformDirection( transformedNormal, viewMatrix );
2011	#else
2012		vec3 shadowWorldNormal = vec3( 0.0 );
2013	#endif
2014	vec4 shadowWorldPosition;
2015#endif
2016#if defined( USE_SHADOWMAP )
2017	#if NUM_DIR_LIGHT_SHADOWS > 0
2018		#pragma unroll_loop_start
2019		for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {
2020			shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * directionalLightShadows[ i ].shadowNormalBias, 0 );
2021			vDirectionalShadowCoord[ i ] = directionalShadowMatrix[ i ] * shadowWorldPosition;
2022		}
2023		#pragma unroll_loop_end
2024	#endif
2025	#if NUM_POINT_LIGHT_SHADOWS > 0
2026		#pragma unroll_loop_start
2027		for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {
2028			shadowWorldPosition = worldPosition + vec4( shadowWorldNormal * pointLightShadows[ i ].shadowNormalBias, 0 );
2029			vPointShadowCoord[ i ] = pointShadowMatrix[ i ] * shadowWorldPosition;
2030		}
2031		#pragma unroll_loop_end
2032	#endif
2033#endif

2034#if NUM_SPOT_LIGHT_COORDS > 0
2035	#pragma unroll_loop_start
2036	for ( int i = 0; i < NUM_SPOT_LIGHT_COORDS; i ++ ) {
2037		shadowWorldPosition = worldPosition;
2038		#if ( defined( USE_SHADOWMAP ) && UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )
2039			shadowWorldPosition.xyz += shadowWorldNormal * spotLightShadows[ i ].shadowNormalBias;
2040		#endif
2041		vSpotLightCoord[ i ] = spotLightMatrix[ i ] * shadowWorldPosition;
2042	}
2043	#pragma unroll_loop_end
2044#endif`,uA=`float getShadowMask() {
2045	float shadow = 1.0;
2046	#ifdef USE_SHADOWMAP
2047	#if NUM_DIR_LIGHT_SHADOWS > 0
2048	DirectionalLightShadow directionalLight;
2049	#pragma unroll_loop_start
2050	for ( int i = 0; i < NUM_DIR_LIGHT_SHADOWS; i ++ ) {
2051		directionalLight = directionalLightShadows[ i ];
2052		shadow *= receiveShadow ? getShadow( directionalShadowMap[ i ], directionalLight.shadowMapSize, directionalLight.shadowIntensity, directionalLight.shadowBias, directionalLight.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;
2053	}
2054	#pragma unroll_loop_end
2055	#endif
2056	#if NUM_SPOT_LIGHT_SHADOWS > 0
2057	SpotLightShadow spotLight;
2058	#pragma unroll_loop_start
2059	for ( int i = 0; i < NUM_SPOT_LIGHT_SHADOWS; i ++ ) {
2060		spotLight = spotLightShadows[ i ];
2061		shadow *= receiveShadow ? getShadow( spotShadowMap[ i ], spotLight.shadowMapSize, spotLight.shadowIntensity, spotLight.shadowBias, spotLight.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;
2062	}
2063	#pragma unroll_loop_end
2064	#endif
2065	#if NUM_POINT_LIGHT_SHADOWS > 0 && ( defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_BASIC ) )
2066	PointLightShadow pointLight;
2067	#pragma unroll_loop_start
2068	for ( int i = 0; i < NUM_POINT_LIGHT_SHADOWS; i ++ ) {
2069		pointLight = pointLightShadows[ i ];
2070		shadow *= receiveShadow ? getPointShadow( pointShadowMap[ i ], pointLight.shadowMapSize, pointLight.shadowIntensity, pointLight.shadowBias, pointLight.shadowRadius, vPointShadowCoord[ i ], pointLight.shadowCameraNear, pointLight.shadowCameraFar ) : 1.0;
2071	}
2072	#pragma unroll_loop_end
2073	#endif
2074	#endif
2075	return shadow;
2076}`,hA=`#ifdef USE_SKINNING
2077	mat4 boneMatX = getBoneMatrix( skinIndex.x );
2078	mat4 boneMatY = getBoneMatrix( skinIndex.y );
2079	mat4 boneMatZ = getBoneMatrix( skinIndex.z );
2080	mat4 boneMatW = getBoneMatrix( skinIndex.w );
2081#endif`,dA=`#ifdef USE_SKINNING
2082	uniform mat4 bindMatrix;
2083	uniform mat4 bindMatrixInverse;
2084	uniform highp sampler2D boneTexture;
2085	mat4 getBoneMatrix( const in float i ) {
2086		int size = textureSize( boneTexture, 0 ).x;
2087		int j = int( i ) * 4;
2088		int x = j % size;
2089		int y = j / size;
2090		vec4 v1 = texelFetch( boneTexture, ivec2( x, y ), 0 );
2091		vec4 v2 = texelFetch( boneTexture, ivec2( x + 1, y ), 0 );
2092		vec4 v3 = texelFetch( boneTexture, ivec2( x + 2, y ), 0 );
2093		vec4 v4 = texelFetch( boneTexture, ivec2( x + 3, y ), 0 );
2094		return mat4( v1, v2, v3, v4 );
2095	}
2096#endif`,fA=`#ifdef USE_SKINNING
2097	vec4 skinVertex = bindMatrix * vec4( transformed, 1.0 );
2098	vec4 skinned = vec4( 0.0 );
2099	skinned += boneMatX * skinVertex * skinWeight.x;
2100	skinned += boneMatY * skinVertex * skinWeight.y;
2101	skinned += boneMatZ * skinVertex * skinWeight.z;
2102	skinned += boneMatW * skinVertex * skinWeight.w;
2103	transformed = ( bindMatrixInverse * skinned ).xyz;
2104#endif`,pA=`#ifdef USE_SKINNING
2105	mat4 skinMatrix = mat4( 0.0 );
2106	skinMatrix += skinWeight.x * boneMatX;
2107	skinMatrix += skinWeight.y * boneMatY;
2108	skinMatrix += skinWeight.z * boneMatZ;
2109	skinMatrix += skinWeight.w * boneMatW;
2110	skinMatrix = bindMatrixInverse * skinMatrix * bindMatrix;
2111	objectNormal = vec4( skinMatrix * vec4( objectNormal, 0.0 ) ).xyz;
2112	#ifdef USE_TANGENT
2113		objectTangent = vec4( skinMatrix * vec4( objectTangent, 0.0 ) ).xyz;
2114	#endif
2115#endif`,mA=`float specularStrength;
2116#ifdef USE_SPECULARMAP
2117	vec4 texelSpecular = texture2D( specularMap, vSpecularMapUv );
2118	specularStrength = texelSpecular.r;
2119#else
2120	specularStrength = 1.0;
2121#endif`,gA=`#ifdef USE_SPECULARMAP
2122	uniform sampler2D specularMap;
2123#endif`,_A=`#if defined( TONE_MAPPING )
2124	gl_FragColor.rgb = toneMapping( gl_FragColor.rgb );
2125#endif`,vA=`#ifndef saturate
2126#define saturate( a ) clamp( a, 0.0, 1.0 )
2127#endif
2128uniform float toneMappingExposure;
2129vec3 LinearToneMapping( vec3 color ) {
2130	return saturate( toneMappingExposure * color );
2131}
2132vec3 ReinhardToneMapping( vec3 color ) {
2133	color *= toneMappingExposure;
2134	return saturate( color / ( vec3( 1.0 ) + color ) );
2135}
2136vec3 CineonToneMapping( vec3 color ) {
2137	color *= toneMappingExposure;
2138	color = max( vec3( 0.0 ), color - 0.004 );
2139	return pow( ( color * ( 6.2 * color + 0.5 ) ) / ( color * ( 6.2 * color + 1.7 ) + 0.06 ), vec3( 2.2 ) );
2140}
2141vec3 RRTAndODTFit( vec3 v ) {
2142	vec3 a = v * ( v + 0.0245786 ) - 0.000090537;
2143	vec3 b = v * ( 0.983729 * v + 0.4329510 ) + 0.238081;
2144	return a / b;
2145}
2146vec3 ACESFilmicToneMapping( vec3 color ) {
2147	const mat3 ACESInputMat = mat3(
2148		vec3( 0.59719, 0.07600, 0.02840 ),		vec3( 0.35458, 0.90834, 0.13383 ),
2149		vec3( 0.04823, 0.01566, 0.83777 )
2150	);
2151	const mat3 ACESOutputMat = mat3(
2152		vec3(  1.60475, -0.10208, -0.00327 ),		vec3( -0.53108,  1.10813, -0.07276 ),
2153		vec3( -0.07367, -0.00605,  1.07602 )
2154	);
2155	color *= toneMappingExposure / 0.6;
2156	color = ACESInputMat * color;
2157	color = RRTAndODTFit( color );
2158	color = ACESOutputMat * color;
2159	return saturate( color );
2160}
2161const mat3 LINEAR_REC2020_TO_LINEAR_SRGB = mat3(
2162	vec3( 1.6605, - 0.1246, - 0.0182 ),
2163	vec3( - 0.5876, 1.1329, - 0.1006 ),
2164	vec3( - 0.0728, - 0.0083, 1.1187 )
2165);
2166const mat3 LINEAR_SRGB_TO_LINEAR_REC2020 = mat3(
2167	vec3( 0.6274, 0.0691, 0.0164 ),
2168	vec3( 0.3293, 0.9195, 0.0880 ),
2169	vec3( 0.0433, 0.0113, 0.8956 )
2170);
2171vec3 agxDefaultContrastApprox( vec3 x ) {
2172	vec3 x2 = x * x;
2173	vec3 x4 = x2 * x2;
2174	return + 15.5 * x4 * x2
2175		- 40.14 * x4 * x
2176		+ 31.96 * x4
2177		- 6.868 * x2 * x
2178		+ 0.4298 * x2
2179		+ 0.1191 * x
2180		- 0.00232;
2181}
2182vec3 AgXToneMapping( vec3 color ) {
2183	const mat3 AgXInsetMatrix = mat3(
2184		vec3( 0.856627153315983, 0.137318972929847, 0.11189821299995 ),
2185		vec3( 0.0951212405381588, 0.761241990602591, 0.0767994186031903 ),
2186		vec3( 0.0482516061458583, 0.101439036467562, 0.811302368396859 )
2187	);

2188	const mat3 AgXOutsetMatrix = mat3(
2189		vec3( 1.1271005818144368, - 0.1413297634984383, - 0.14132976349843826 ),
2190		vec3( - 0.11060664309660323, 1.157823702216272, - 0.11060664309660294 ),
2191		vec3( - 0.016493938717834573, - 0.016493938717834257, 1.2519364065950405 )
2192	);
2193	const float AgxMinEv = - 12.47393;	const float AgxMaxEv = 4.026069;
2194	color *= toneMappingExposure;
2195	color = LINEAR_SRGB_TO_LINEAR_REC2020 * color;
2196	color = AgXInsetMatrix * color;
2197	color = max( color, 1e-10 );	color = log2( color );
2198	color = ( color - AgxMinEv ) / ( AgxMaxEv - AgxMinEv );
2199	color = clamp( color, 0.0, 1.0 );
2200	color = agxDefaultContrastApprox( color );
2201	color = AgXOutsetMatrix * color;
2202	color = pow( max( vec3( 0.0 ), color ), vec3( 2.2 ) );
2203	color = LINEAR_REC2020_TO_LINEAR_SRGB * color;
2204	color = clamp( color, 0.0, 1.0 );
2205	return color;
2206}
2207vec3 NeutralToneMapping( vec3 color ) {
2208	const float StartCompression = 0.8 - 0.04;
2209	const float Desaturation = 0.15;
2210	color *= toneMappingExposure;
2211	float x = min( color.r, min( color.g, color.b ) );
2212	float offset = x < 0.08 ? x - 6.25 * x * x : 0.04;
2213	color -= offset;
2214	float peak = max( color.r, max( color.g, color.b ) );
2215	if ( peak < StartCompression ) return color;
2216	float d = 1. - StartCompression;
2217	float newPeak = 1. - d * d / ( peak + d - StartCompression );
2218	color *= newPeak / peak;
2219	float g = 1. - 1. / ( Desaturation * ( peak - newPeak ) + 1. );
2220	return mix( color, vec3( newPeak ), g );
2221}
2222vec3 CustomToneMapping( vec3 color ) { return color; }`,xA=`#ifdef USE_TRANSMISSION
2223	material.transmission = transmission;
2224	material.transmissionAlpha = 1.0;
2225	material.thickness = thickness;
2226	material.attenuationDistance = attenuationDistance;
2227	material.attenuationColor = attenuationColor;
2228	#ifdef USE_TRANSMISSIONMAP
2229		material.transmission *= texture2D( transmissionMap, vTransmissionMapUv ).r;
2230	#endif
2231	#ifdef USE_THICKNESSMAP
2232		material.thickness *= texture2D( thicknessMap, vThicknessMapUv ).g;
2233	#endif
2234	vec3 pos = vWorldPosition;
2235	vec3 v = normalize( cameraPosition - pos );
2236	vec3 n = inverseTransformDirection( normal, viewMatrix );
2237	vec4 transmitted = getIBLVolumeRefraction(
2238		n, v, material.roughness, material.diffuseContribution, material.specularColorBlended, material.specularF90,
2239		pos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness,
2240		material.attenuationColor, material.attenuationDistance );
2241	material.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );
2242	totalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );
2243#endif`,yA=`#ifdef USE_TRANSMISSION
2244	uniform float transmission;
2245	uniform float thickness;
2246	uniform float attenuationDistance;
2247	uniform vec3 attenuationColor;
2248	#ifdef USE_TRANSMISSIONMAP
2249		uniform sampler2D transmissionMap;
2250	#endif
2251	#ifdef USE_THICKNESSMAP
2252		uniform sampler2D thicknessMap;
2253	#endif
2254	uniform vec2 transmissionSamplerSize;
2255	uniform sampler2D transmissionSamplerMap;
2256	uniform mat4 modelMatrix;
2257	uniform mat4 projectionMatrix;
2258	varying vec3 vWorldPosition;
2259	float w0( float a ) {
2260		return ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );
2261	}
2262	float w1( float a ) {
2263		return ( 1.0 / 6.0 ) * ( a *  a * ( 3.0 * a - 6.0 ) + 4.0 );
2264	}
2265	float w2( float a ){
2266		return ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );
2267	}
2268	float w3( float a ) {
2269		return ( 1.0 / 6.0 ) * ( a * a * a );
2270	}
2271	float g0( float a ) {
2272		return w0( a ) + w1( a );
2273	}
2274	float g1( float a ) {
2275		return w2( a ) + w3( a );
2276	}
2277	float h0( float a ) {
2278		return - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );
2279	}
2280	float h1( float a ) {
2281		return 1.0 + w3( a ) / ( w2( a ) + w3( a ) );
2282	}
2283	vec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {
2284		uv = uv * texelSize.zw + 0.5;
2285		vec2 iuv = floor( uv );
2286		vec2 fuv = fract( uv );
2287		float g0x = g0( fuv.x );
2288		float g1x = g1( fuv.x );
2289		float h0x = h0( fuv.x );
2290		float h1x = h1( fuv.x );
2291		float h0y = h0( fuv.y );
2292		float h1y = h1( fuv.y );
2293		vec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;
2294		vec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;
2295		vec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;
2296		vec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;
2297		return g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +
2298			g1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );
2299	}
2300	vec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {
2301		vec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );
2302		vec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );
2303		vec2 fLodSizeInv = 1.0 / fLodSize;
2304		vec2 cLodSizeInv = 1.0 / cLodSize;
2305		vec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );
2306		vec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );
2307		return mix( fSample, cSample, fract( lod ) );
2308	}
2309	vec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {
2310		vec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );
2311		vec3 modelScale;
2312		modelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );
2313		modelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );
2314		modelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );
2315		return normalize( refractionVector ) * thickness * modelScale;
2316	}
2317	float applyIorToRoughness( const in float roughness, const in float ior ) {
2318		return roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );
2319	}
2320	vec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {
2321		float lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );
2322		return textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );
2323	}
2324	vec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {
2325		if ( isinf( attenuationDistance ) ) {
2326			return vec3( 1.0 );
2327		} else {
2328			vec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;
2329			vec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );			return transmittance;
2330		}
2331	}
2332	vec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,
2333		const in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,
2334		const in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness,
2335		const in vec3 attenuationColor, const in float attenuationDistance ) {
2336		vec4 transmittedLight;
2337		vec3 transmittance;
2338		#ifdef USE_DISPERSION
2339			float halfSpread = ( ior - 1.0 ) * 0.025 * dispersion;
2340			vec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread );
2341			for ( int i = 0; i < 3; i ++ ) {
2342				vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix );
2343				vec3 refractedRayExit = position + transmissionRay;
2344				vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );
2345				vec2 refractionCoords = ndcPos.xy / ndcPos.w;
2346				refractionCoords += 1.0;
2347				refractionCoords /= 2.0;
2348				vec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] );
2349				transmittedLight[ i ] = transmissionSample[ i ];
2350				transmittedLight.a += transmissionSample.a;
2351				transmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ];
2352			}
2353			transmittedLight.a /= 3.0;
2354		#else
2355			vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );
2356			vec3 refractedRayExit = position + transmissionRay;
2357			vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );
2358			vec2 refractionCoords = ndcPos.xy / ndcPos.w;
2359			refractionCoords += 1.0;
2360			refractionCoords /= 2.0;
2361			transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );
2362			transmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );
2363		#endif
2364		vec3 attenuatedColor = transmittance * transmittedLight.rgb;
2365		vec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );
2366		float transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;
2367		return vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );
2368	}
2369#endif`,bA=`#if defined( USE_UV ) || defined( USE_ANISOTROPY )
2370	varying vec2 vUv;
2371#endif
2372#ifdef USE_MAP
2373	varying vec2 vMapUv;
2374#endif
2375#ifdef USE_ALPHAMAP

2376	varying vec2 vAlphaMapUv;
2377#endif
2378#ifdef USE_LIGHTMAP
2379	varying vec2 vLightMapUv;
2380#endif
2381#ifdef USE_AOMAP
2382	varying vec2 vAoMapUv;
2383#endif
2384#ifdef USE_BUMPMAP
2385	varying vec2 vBumpMapUv;
2386#endif
2387#ifdef USE_NORMALMAP
2388	varying vec2 vNormalMapUv;
2389#endif
2390#ifdef USE_EMISSIVEMAP
2391	varying vec2 vEmissiveMapUv;
2392#endif
2393#ifdef USE_METALNESSMAP
2394	varying vec2 vMetalnessMapUv;
2395#endif
2396#ifdef USE_ROUGHNESSMAP
2397	varying vec2 vRoughnessMapUv;
2398#endif
2399#ifdef USE_ANISOTROPYMAP
2400	varying vec2 vAnisotropyMapUv;
2401#endif
2402#ifdef USE_CLEARCOATMAP
2403	varying vec2 vClearcoatMapUv;
2404#endif
2405#ifdef USE_CLEARCOAT_NORMALMAP
2406	varying vec2 vClearcoatNormalMapUv;
2407#endif
2408#ifdef USE_CLEARCOAT_ROUGHNESSMAP
2409	varying vec2 vClearcoatRoughnessMapUv;
2410#endif
2411#ifdef USE_IRIDESCENCEMAP
2412	varying vec2 vIridescenceMapUv;
2413#endif
2414#ifdef USE_IRIDESCENCE_THICKNESSMAP
2415	varying vec2 vIridescenceThicknessMapUv;
2416#endif
2417#ifdef USE_SHEEN_COLORMAP
2418	varying vec2 vSheenColorMapUv;
2419#endif
2420#ifdef USE_SHEEN_ROUGHNESSMAP
2421	varying vec2 vSheenRoughnessMapUv;
2422#endif
2423#ifdef USE_SPECULARMAP
2424	varying vec2 vSpecularMapUv;
2425#endif
2426#ifdef USE_SPECULAR_COLORMAP
2427	varying vec2 vSpecularColorMapUv;
2428#endif
2429#ifdef USE_SPECULAR_INTENSITYMAP
2430	varying vec2 vSpecularIntensityMapUv;
2431#endif
2432#ifdef USE_TRANSMISSIONMAP
2433	uniform mat3 transmissionMapTransform;
2434	varying vec2 vTransmissionMapUv;
2435#endif
2436#ifdef USE_THICKNESSMAP
2437	uniform mat3 thicknessMapTransform;
2438	varying vec2 vThicknessMapUv;
2439#endif`,SA=`#if defined( USE_UV ) || defined( USE_ANISOTROPY )
2440	varying vec2 vUv;
2441#endif
2442#ifdef USE_MAP
2443	uniform mat3 mapTransform;
2444	varying vec2 vMapUv;
2445#endif
2446#ifdef USE_ALPHAMAP
2447	uniform mat3 alphaMapTransform;
2448	varying vec2 vAlphaMapUv;
2449#endif
2450#ifdef USE_LIGHTMAP
2451	uniform mat3 lightMapTransform;
2452	varying vec2 vLightMapUv;
2453#endif
2454#ifdef USE_AOMAP
2455	uniform mat3 aoMapTransform;
2456	varying vec2 vAoMapUv;
2457#endif
2458#ifdef USE_BUMPMAP
2459	uniform mat3 bumpMapTransform;
2460	varying vec2 vBumpMapUv;
2461#endif
2462#ifdef USE_NORMALMAP
2463	uniform mat3 normalMapTransform;
2464	varying vec2 vNormalMapUv;
2465#endif
2466#ifdef USE_DISPLACEMENTMAP
2467	uniform mat3 displacementMapTransform;
2468	varying vec2 vDisplacementMapUv;
2469#endif
2470#ifdef USE_EMISSIVEMAP
2471	uniform mat3 emissiveMapTransform;
2472	varying vec2 vEmissiveMapUv;
2473#endif
2474#ifdef USE_METALNESSMAP
2475	uniform mat3 metalnessMapTransform;
2476	varying vec2 vMetalnessMapUv;
2477#endif
2478#ifdef USE_ROUGHNESSMAP
2479	uniform mat3 roughnessMapTransform;
2480	varying vec2 vRoughnessMapUv;
2481#endif
2482#ifdef USE_ANISOTROPYMAP
2483	uniform mat3 anisotropyMapTransform;
2484	varying vec2 vAnisotropyMapUv;
2485#endif
2486#ifdef USE_CLEARCOATMAP
2487	uniform mat3 clearcoatMapTransform;
2488	varying vec2 vClearcoatMapUv;
2489#endif
2490#ifdef USE_CLEARCOAT_NORMALMAP
2491	uniform mat3 clearcoatNormalMapTransform;
2492	varying vec2 vClearcoatNormalMapUv;
2493#endif
2494#ifdef USE_CLEARCOAT_ROUGHNESSMAP
2495	uniform mat3 clearcoatRoughnessMapTransform;
2496	varying vec2 vClearcoatRoughnessMapUv;
2497#endif
2498#ifdef USE_SHEEN_COLORMAP
2499	uniform mat3 sheenColorMapTransform;
2500	varying vec2 vSheenColorMapUv;
2501#endif
2502#ifdef USE_SHEEN_ROUGHNESSMAP
2503	uniform mat3 sheenRoughnessMapTransform;
2504	varying vec2 vSheenRoughnessMapUv;
2505#endif
2506#ifdef USE_IRIDESCENCEMAP
2507	uniform mat3 iridescenceMapTransform;
2508	varying vec2 vIridescenceMapUv;
2509#endif
2510#ifdef USE_IRIDESCENCE_THICKNESSMAP
2511	uniform mat3 iridescenceThicknessMapTransform;
2512	varying vec2 vIridescenceThicknessMapUv;
2513#endif
2514#ifdef USE_SPECULARMAP
2515	uniform mat3 specularMapTransform;
2516	varying vec2 vSpecularMapUv;
2517#endif
2518#ifdef USE_SPECULAR_COLORMAP
2519	uniform mat3 specularColorMapTransform;
2520	varying vec2 vSpecularColorMapUv;
2521#endif
2522#ifdef USE_SPECULAR_INTENSITYMAP
2523	uniform mat3 specularIntensityMapTransform;
2524	varying vec2 vSpecularIntensityMapUv;
2525#endif
2526#ifdef USE_TRANSMISSIONMAP
2527	uniform mat3 transmissionMapTransform;
2528	varying vec2 vTransmissionMapUv;
2529#endif
2530#ifdef USE_THICKNESSMAP
2531	uniform mat3 thicknessMapTransform;
2532	varying vec2 vThicknessMapUv;
2533#endif`,MA=`#if defined( USE_UV ) || defined( USE_ANISOTROPY )
2534	vUv = vec3( uv, 1 ).xy;
2535#endif
2536#ifdef USE_MAP
2537	vMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;
2538#endif
2539#ifdef USE_ALPHAMAP
2540	vAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;
2541#endif
2542#ifdef USE_LIGHTMAP
2543	vLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;
2544#endif
2545#ifdef USE_AOMAP
2546	vAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;
2547#endif
2548#ifdef USE_BUMPMAP
2549	vBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;
2550#endif
2551#ifdef USE_NORMALMAP
2552	vNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;
2553#endif
2554#ifdef USE_DISPLACEMENTMAP
2555	vDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;
2556#endif
2557#ifdef USE_EMISSIVEMAP
2558	vEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;
2559#endif
2560#ifdef USE_METALNESSMAP
2561	vMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;
2562#endif
2563#ifdef USE_ROUGHNESSMAP
2564	vRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;
2565#endif
2566#ifdef USE_ANISOTROPYMAP
2567	vAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;
2568#endif
2569#ifdef USE_CLEARCOATMAP
2570	vClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;
2571#endif
2572#ifdef USE_CLEARCOAT_NORMALMAP
2573	vClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;
2574#endif
2575#ifdef USE_CLEARCOAT_ROUGHNESSMAP
2576	vClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;
2577#endif