From 592f09bccb2410e9ddf953600c5fdc0c74c7a7ee Mon Sep 17 00:00:00 2001
From: Himadri Bhattacharjee <107522312+lavafroth@users.noreply.github.com>
Date: Sun, 17 May 2026 08:06:09 +0530
Subject: [PATCH] fix: padding should not be a part of the source image itself

---
 content/webapps/convolution-visualization/index.html | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/content/webapps/convolution-visualization/index.html b/content/webapps/convolution-visualization/index.html
index ea81aece..1555e657 100644
--- a/content/webapps/convolution-visualization/index.html
+++ b/content/webapps/convolution-visualization/index.html
@@ -12,6 +12,7 @@
     </style>
     <div id="stage">
     <script>
+
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t=this.elements;return t[0]*=e,t[3]*=e,t[6]*=e,t[1]*=e,t[4]*=e,t[7]*=e,t[2]*=e,t[5]*=e,t[8]*=e,this}determinant(){let e=this.elements,t=e[0],n=e[1],r=e[2],i=e[3],a=e[4],o=e[5],s=e[6],c=e[7],l=e[8];return t*a*l-t*o*c-n*i*l+n*o*s+r*i*c-r*a*s}invert(){let e=this.elements,t=e[0],n=e[1],r=e[2],i=e[3],a=e[4],o=e[5],s=e[6],c=e[7],l=e[8],u=l*a-o*c,d=o*s-l*i,f=c*i-a*s,p=t*u+n*d+r*f;if(p===0)return this.set(0,0,0,0,0,0,0,0,0);let m=1/p;return e[0]=u*m,e[1]=(r*c-l*n)*m,e[2]=(o*n-r*a)*m,e[3]=d*m,e[4]=(l*t-r*s)*m,e[5]=(r*i-o*t)*m,e[6]=f*m,e[7]=(n*s-c*t)*m,e[8]=(a*t-n*i)*m,this}transpose(){let e,t=this.elements;return e=t[1],t[1]=t[3],t[3]=e,e=t[2],t[2]=t[6],t[6]=e,e=t[5],t[5]=t[7],t[7]=e,this}getNormalMatrix(e){return this.setFromMatrix4(e).invert().transpose()}transposeIntoArray(e){let t=this.elements;return e[0]=t[0],e[1]=t[3],e[2]=t[6],e[3]=t[1],e[4]=t[4],e[5]=t[7],e[6]=t[2],e[7]=t[5],e[8]=t[8],this}setUvTransform(e,t,n,r,i,a,o){let s=Math.cos(i),c=Math.sin(i);return 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q().set(.4123908,.3575843,.1804808,.212639,.7151687,.0721923,.0193308,.1191948,.9505322),Mt=new q().set(3.2409699,-1.5373832,-.4986108,-.9692436,1.8759675,.0415551,.0556301,-.203977,1.0569715);function Nt(){let e={enabled:!0,workingColorSpace:ze,spaces:{},convert:function(e,t,n){return this.enabled===!1||t===n||!t||!n?e:(this.spaces[t].transfer===`srgb`&&(e.r=Pt(e.r),e.g=Pt(e.g),e.b=Pt(e.b)),this.spaces[t].primaries!==this.spaces[n].primaries&&(e.applyMatrix3(this.spaces[t].toXYZ),e.applyMatrix3(this.spaces[n].fromXYZ)),this.spaces[n].transfer===`srgb`&&(e.r=Ft(e.r),e.g=Ft(e.g),e.b=Ft(e.b)),e)},workingToColorSpace:function(e,t){return this.convert(e,this.workingColorSpace,t)},colorSpaceToWorking:function(e,t){return this.convert(e,t,this.workingColorSpace)},getPrimaries:function(e){return this.spaces[e].primaries},getTransfer:function(e){return e===``?Be:this.spaces[e].transfer},getToneMappingMode:function(e){return this.spaces[e].outputColorSpaceConfig.toneMappingMode||`standard`},getLuminanceCoefficients:function(e,t=this.workingColorSpace){return e.fromArray(this.spaces[t].luminanceCoefficients)},define:function(e){Object.assign(this.spaces,e)},_getMatrix:function(e,t,n){return e.copy(this.spaces[t].toXYZ).multiply(this.spaces[n].fromXYZ)},_getDrawingBufferColorSpace:function(e){return this.spaces[e].outputColorSpaceConfig.drawingBufferColorSpace},_getUnpackColorSpace:function(e=this.workingColorSpace){return this.spaces[e].workingColorSpaceConfig.unpackColorSpace},fromWorkingColorSpace:function(t,n){return $e(`ColorManagement: .fromWorkingColorSpace() has been renamed to .workingToColorSpace().`),e.workingToColorSpace(t,n)},toWorkingColorSpace:function(t,n){return $e(`ColorManagement: .toWorkingColorSpace() has been renamed to .colorSpaceToWorking().`),e.colorSpaceToWorking(t,n)}},t=[.64,.33,.3,.6,.15,.06],n=[.2126,.7152,.0722],r=[.3127,.329];return e.define({[ze]:{primaries:t,whitePoint:r,transfer:Be,toXYZ:jt,fromXYZ:Mt,luminanceCoefficients:n,workingColorSpaceConfig:{unpackColorSpace:Re},outputColorSpaceConfig:{drawingBufferColorSpace:Re}},[Re]:{primaries:t,whitePoint:r,transfer:Ve,toXYZ:jt,fromXYZ:Mt,luminanceCoefficients:n,outputColorSpaceConfig:{drawingBufferColorSpace:Re}}}),e}var J=Nt();function Pt(e){return e<.04045?e*.0773993808:(e*.9478672986+.0521327014)**2.4}function Ft(e){return e<.0031308?e*12.92:1.055*e**.41666-.055}var It,Lt=class{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{It===void 0&&(It=qe(`canvas`)),It.width=e.width,It.height=e.height;let t=It.getContext(`2d`);e instanceof ImageData?t.putImageData(e,0,0):t.drawImage(e,0,0,e.width,e.height),n=It}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){let t=qe(`canvas`);t.width=e.width,t.height=e.height;let n=t.getContext(`2d`);n.drawImage(e,0,0,e.width,e.height);let r=n.getImageData(0,0,e.width,e.height),i=r.data;for(let e=0;e<i.length;e++)i[e]=Pt(i[e]/255)*255;return n.putImageData(r,0,0),t}else if(e.data){let t=e.data.slice(0);for(let e=0;e<t.length;e++)t instanceof Uint8Array||t instanceof Uint8ClampedArray?t[e]=Math.floor(Pt(t[e]/255)*255):t[e]=Pt(t[e]);return{data:t,width:e.width,height:e.height}}else return B(`ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied.`),e}},Rt=0,zt=class{constructor(e=null){this.isSource=!0,Object.defineProperty(this,`id`,{value:Rt++}),this.uuid=ot(),this.data=e,this.dataReady=!0,this.version=0}getSize(e){let 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(0,0,0):e.set(t.width,t.height,t.depth||0),e}set needsUpdate(e){e===!0&&this.version++}toJSON(e){let t=e===void 0||typeof e==`string`;if(!t&&e.images[this.uuid]!==void 0)return e.images[this.uuid];let n={uuid:this.uuid,url:``},r=this.data;if(r!==null){let e;if(Array.isArray(r)){e=[];for(let t=0,n=r.length;t<n;t++)r[t].isDataTexture?e.push(Bt(r[t].image)):e.push(Bt(r[t]))}else e=Bt(r);n.url=e}return t||(e.images[this.uuid]=n),n}};function Bt(e){return typeof HTMLImageElement<`u`&&e instanceof HTMLImageElement||typeof HTMLCanvasElement<`u`&&e instanceof HTMLCanvasElement||typeof ImageBitmap<`u`&&e instanceof ImageBitmap?Lt.getDataURL(e):e.data?{data:Array.from(e.data),width:e.width,height:e.height,type:e.data.constructor.name}:(B(`Texture: Unable to serialize Texture.`),{})}var Vt=0,Ht=new K,Ut=class e extends nt{constructor(t=e.DEFAULT_IMAGE,n=e.DEFAULT_MAPPING,i=r,a=r,o=c,s=u,l=E,f=d,p=e.DEFAULT_ANISOTROPY,m=``){super(),this.isTexture=!0,Object.defineProperty(this,`id`,{value:Vt++}),this.uuid=ot(),this.name=``,this.source=new zt(t),this.mipmaps=[],this.mapping=n,this.channel=0,this.wrapS=i,this.wrapT=a,this.magFilter=o,this.minFilter=s,this.anisotropy=p,this.format=l,this.internalFormat=null,this.type=f,this.offset=new G(0,0),this.repeat=new G(1,1),this.center=new G(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new q,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.colorSpace=m,this.userData={},this.updateRanges=[],this.version=0,this.onUpdate=null,this.renderTarget=null,this.isRenderTargetTexture=!1,this.isArrayTexture=!!(t&&t.depth&&t.depth>1),this.pmremVersion=0,this.normalized=!1}get width(){return this.source.getSize(Ht).x}get height(){return this.source.getSize(Ht).y}get depth(){return this.source.getSize(Ht).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(let t in e){let n=e[t];if(n===void 0){B(`Texture.setValues(): parameter '${t}' has value of undefined.`);continue}let r=this[t];if(r===void 0){B(`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){let t=e===void 0||typeof e==`string`;if(!t&&e.textures[this.uuid]!==void 0)return e.textures[this.uuid];let 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!==300)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case n:e.x-=Math.floor(e.x);break;case r:e.x=e.x<0?0:1;break;case i:Math.abs(Math.floor(e.x)%2)===1?e.x=Math.ceil(e.x)-e.x:e.x-=Math.floor(e.x);break}if(e.y<0||e.y>1)switch(this.wrapT){case n:e.y-=Math.floor(e.y);break;case r:e.y=e.y<0?0:1;break;case i:Math.abs(Math.floor(e.y)%2)===1?e.y=Math.ceil(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++}};Ut.DEFAULT_IMAGE=null,Ut.DEFAULT_MAPPING=300,Ut.DEFAULT_ANISOTROPY=1;var Wt=class e{static{e.prototype.isVector4=!0}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 Error(`index is out of range: `+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw Error(`index is out of range: `+e)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=e.w===void 0?1:e.w,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this.w=e.w+t.w,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}applyMatrix4(e){let t=this.x,n=this.y,r=this.z,i=this.w,a=e.elements;return this.x=a[0]*t+a[4]*n+a[8]*r+a[12]*i,this.y=a[1]*t+a[5]*n+a[9]*r+a[13]*i,this.z=a[2]*t+a[6]*n+a[10]*r+a[14]*i,this.w=a[3]*t+a[7]*n+a[11]*r+a[15]*i,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);let t=Math.sqrt(1-e.w*e.w);return t<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=e.x/t,this.y=e.y/t,this.z=e.z/t),this}setAxisAngleFromRotationMatrix(e){let t,n,r,i,a=.01,o=.1,s=e.elements,c=s[0],l=s[4],u=s[8],d=s[1],f=s[5],p=s[9],m=s[2],h=s[6],g=s[10];if(Math.abs(l-d)<a&&Math.abs(u-m)<a&&Math.abs(p-h)<a){if(Math.abs(l+d)<o&&Math.abs(u+m)<o&&Math.abs(p+h)<o&&Math.abs(c+f+g-3)<o)return this.set(1,0,0,0),this;t=Math.PI;let e=(c+1)/2,s=(f+1)/2,_=(g+1)/2,v=(l+d)/4,y=(u+m)/4,b=(p+h)/4;return e>s&&e>_?e<a?(n=0,r=.707106781,i=.707106781):(n=Math.sqrt(e),r=v/n,i=y/n):s>_?s<a?(n=.707106781,r=0,i=.707106781):(r=Math.sqrt(s),n=v/r,i=b/r):_<a?(n=.707106781,r=.707106781,i=0):(i=Math.sqrt(_),n=y/i,r=b/i),this.set(n,r,i,t),this}let _=Math.sqrt((h-p)*(h-p)+(u-m)*(u-m)+(d-l)*(d-l));return Math.abs(_)<.001&&(_=1),this.x=(h-p)/_,this.y=(u-m)/_,this.z=(d-l)/_,this.w=Math.acos((c+f+g-1)/2),this}setFromMatrixPosition(e){let 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=U(this.x,e.x,t.x),this.y=U(this.y,e.y,t.y),this.z=U(this.z,e.z,t.z),this.w=U(this.w,e.w,t.w),this}clampScalar(e,t){return this.x=U(this.x,e,t),this.y=U(this.y,e,t),this.z=U(this.z,e,t),this.w=U(this.w,e,t),this}clampLength(e,t){let n=this.length();return this.divideScalar(n||1).multiplyScalar(U(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}},Gt=class extends nt{constructor(e=1,t=1,n={}){super(),n=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:c,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 Wt(0,0,e,t),this.scissorTest=!1,this.viewport=new Wt(0,0,e,t),this.textures=[];let r=new Ut({width:e,height:t,depth:n.depth}),i=n.count;for(let e=0;e<i;e++)this.textures[e]=r.clone(),this.textures[e].isRenderTargetTexture=!0,this.textures[e].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={}){let t={minFilter:c,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 e=0;e<this.textures.length;e++)this.textures[e].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,i=this.textures.length;r<i;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;let n=Object.assign({},e.textures[t].image);this.textures[t].source=new zt(n)}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`})}},Kt=class extends Gt{constructor(e=1,t=1,n={}){super(e,t,n),this.isWebGLRenderTarget=!0}},qt=class extends Ut{constructor(e=null,t=1,n=1,i=1){super(null),this.isDataArrayTexture=!0,this.image={data:e,width:t,height:n,depth:i},this.magFilter=a,this.minFilter=a,this.wrapR=r,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.layerUpdates=new Set}addLayerUpdate(e){this.layerUpdates.add(e)}clearLayerUpdates(){this.layerUpdates.clear()}},Jt=class extends Ut{constructor(e=null,t=1,n=1,i=1){super(null),this.isData3DTexture=!0,this.image={data:e,width:t,height:n,depth:i},this.magFilter=a,this.minFilter=a,this.wrapR=r,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}},Yt=class e{static{e.prototype.isMatrix4=!0}constructor(e,t,n,r,i,a,o,s,c,l,u,d,f,p,m,h){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,i,a,o,s,c,l,u,d,f,p,m,h)}set(e,t,n,r,i,a,o,s,c,l,u,d,f,p,m,h){let g=this.elements;return g[0]=e,g[4]=t,g[8]=n,g[12]=r,g[1]=i,g[5]=a,g[9]=o,g[13]=s,g[2]=c,g[6]=l,g[10]=u,g[14]=d,g[3]=f,g[7]=p,g[11]=m,g[15]=h,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 e().fromArray(this.elements)}copy(e){let 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){let t=this.elements,n=e.elements;return t[12]=n[12],t[13]=n[13],t[14]=n[14],this}setFromMatrix3(e){let t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,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();let t=this.elements,n=e.elements,r=1/Xt.setFromMatrixColumn(e,0).length(),i=1/Xt.setFromMatrixColumn(e,1).length(),a=1/Xt.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]*i,t[5]=n[5]*i,t[6]=n[6]*i,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){let t=this.elements,n=e.x,r=e.y,i=e.z,a=Math.cos(n),o=Math.sin(n),s=Math.cos(r),c=Math.sin(r),l=Math.cos(i),u=Math.sin(i);if(e.order===`XYZ`){let e=a*l,n=a*u,r=o*l,i=o*u;t[0]=s*l,t[4]=-s*u,t[8]=c,t[1]=n+r*c,t[5]=e-i*c,t[9]=-o*s,t[2]=i-e*c,t[6]=r+n*c,t[10]=a*s}else if(e.order===`YXZ`){let e=s*l,n=s*u,r=c*l,i=c*u;t[0]=e+i*o,t[4]=r*o-n,t[8]=a*c,t[1]=a*u,t[5]=a*l,t[9]=-o,t[2]=n*o-r,t[6]=i+e*o,t[10]=a*s}else if(e.order===`ZXY`){let e=s*l,n=s*u,r=c*l,i=c*u;t[0]=e-i*o,t[4]=-a*u,t[8]=r+n*o,t[1]=n+r*o,t[5]=a*l,t[9]=i-e*o,t[2]=-a*c,t[6]=o,t[10]=a*s}else if(e.order===`ZYX`){let e=a*l,n=a*u,r=o*l,i=o*u;t[0]=s*l,t[4]=r*c-n,t[8]=e*c+i,t[1]=s*u,t[5]=i*c+e,t[9]=n*c-r,t[2]=-c,t[6]=o*s,t[10]=a*s}else if(e.order===`YZX`){let e=a*s,n=a*c,r=o*s,i=o*c;t[0]=s*l,t[4]=i-e*u,t[8]=r*u+n,t[1]=u,t[5]=a*l,t[9]=-o*l,t[2]=-c*l,t[6]=n*u+r,t[10]=e-i*u}else if(e.order===`XZY`){let e=a*s,n=a*c,r=o*s,i=o*c;t[0]=s*l,t[4]=-u,t[8]=c*l,t[1]=e*u+i,t[5]=a*l,t[9]=n*u-r,t[2]=r*u-n,t[6]=o*l,t[10]=i*u+e}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromQuaternion(e){return this.compose(Qt,e,$t)}lookAt(e,t,n){let r=this.elements;return nn.subVectors(e,t),nn.lengthSq()===0&&(nn.z=1),nn.normalize(),en.crossVectors(n,nn),en.lengthSq()===0&&(Math.abs(n.z)===1?nn.x+=1e-4:nn.z+=1e-4,nn.normalize(),en.crossVectors(n,nn)),en.normalize(),tn.crossVectors(nn,en),r[0]=en.x,r[4]=tn.x,r[8]=nn.x,r[1]=en.y,r[5]=tn.y,r[9]=nn.y,r[2]=en.z,r[6]=tn.z,r[10]=nn.z,this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){let n=e.elements,r=t.elements,i=this.elements,a=n[0],o=n[4],s=n[8],c=n[12],l=n[1],u=n[5],d=n[9],f=n[13],p=n[2],m=n[6],h=n[10],g=n[14],_=n[3],v=n[7],y=n[11],b=n[15],x=r[0],S=r[4],C=r[8],w=r[12],T=r[1],E=r[5],D=r[9],O=r[13],k=r[2],A=r[6],j=r[10],ee=r[14],M=r[3],te=r[7],ne=r[11],N=r[15];return i[0]=a*x+o*T+s*k+c*M,i[4]=a*S+o*E+s*A+c*te,i[8]=a*C+o*D+s*j+c*ne,i[12]=a*w+o*O+s*ee+c*N,i[1]=l*x+u*T+d*k+f*M,i[5]=l*S+u*E+d*A+f*te,i[9]=l*C+u*D+d*j+f*ne,i[13]=l*w+u*O+d*ee+f*N,i[2]=p*x+m*T+h*k+g*M,i[6]=p*S+m*E+h*A+g*te,i[10]=p*C+m*D+h*j+g*ne,i[14]=p*w+m*O+h*ee+g*N,i[3]=_*x+v*T+y*k+b*M,i[7]=_*S+v*E+y*A+b*te,i[11]=_*C+v*D+y*j+b*ne,i[15]=_*w+v*O+y*ee+b*N,this}multiplyScalar(e){let t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this}determinant(){let e=this.elements,t=e[0],n=e[4],r=e[8],i=e[12],a=e[1],o=e[5],s=e[9],c=e[13],l=e[2],u=e[6],d=e[10],f=e[14],p=e[3],m=e[7],h=e[11],g=e[15],_=s*f-c*d,v=o*f-c*u,y=o*d-s*u,b=a*f-c*l,x=a*d-s*l,S=a*u-o*l;return t*(m*_-h*v+g*y)-n*(p*_-h*b+g*x)+r*(p*v-m*b+g*S)-i*(p*y-m*x+h*S)}transpose(){let e=this.elements,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){let 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(){let e=this.elements,t=e[0],n=e[1],r=e[2],i=e[3],a=e[4],o=e[5],s=e[6],c=e[7],l=e[8],u=e[9],d=e[10],f=e[11],p=e[12],m=e[13],h=e[14],g=e[15],_=t*o-n*a,v=t*s-r*a,y=t*c-i*a,b=n*s-r*o,x=n*c-i*o,S=r*c-i*s,C=l*m-u*p,w=l*h-d*p,T=l*g-f*p,E=u*h-d*m,D=u*g-f*m,O=d*g-f*h,k=_*O-v*D+y*E+b*T-x*w+S*C;if(k===0)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);let A=1/k;return e[0]=(o*O-s*D+c*E)*A,e[1]=(r*D-n*O-i*E)*A,e[2]=(m*S-h*x+g*b)*A,e[3]=(d*x-u*S-f*b)*A,e[4]=(s*T-a*O-c*w)*A,e[5]=(t*O-r*T+i*w)*A,e[6]=(h*y-p*S-g*v)*A,e[7]=(l*S-d*y+f*v)*A,e[8]=(a*D-o*T+c*C)*A,e[9]=(n*T-t*D-i*C)*A,e[10]=(p*x-m*y+g*_)*A,e[11]=(u*y-l*x-f*_)*A,e[12]=(o*w-a*E-s*C)*A,e[13]=(t*E-n*w+r*C)*A,e[14]=(m*v-p*b-h*_)*A,e[15]=(l*b-u*v+d*_)*A,this}scale(e){let t=this.elements,n=e.x,r=e.y,i=e.z;return t[0]*=n,t[4]*=r,t[8]*=i,t[1]*=n,t[5]*=r,t[9]*=i,t[2]*=n,t[6]*=r,t[10]*=i,t[3]*=n,t[7]*=r,t[11]*=i,this}getMaxScaleOnAxis(){let 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){let 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){let 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){let 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){let n=Math.cos(t),r=Math.sin(t),i=1-n,a=e.x,o=e.y,s=e.z,c=i*a,l=i*o;return this.set(c*a+n,c*o-r*s,c*s+r*o,0,c*o+r*s,l*o+n,l*s-r*a,0,c*s-r*o,l*s+r*a,i*s*s+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,i,a){return this.set(1,n,i,0,e,1,a,0,t,r,1,0,0,0,0,1),this}compose(e,t,n){let r=this.elements,i=t._x,a=t._y,o=t._z,s=t._w,c=i+i,l=a+a,u=o+o,d=i*c,f=i*l,p=i*u,m=a*l,h=a*u,g=o*u,_=s*c,v=s*l,y=s*u,b=n.x,x=n.y,S=n.z;return r[0]=(1-(m+g))*b,r[1]=(f+y)*b,r[2]=(p-v)*b,r[3]=0,r[4]=(f-y)*x,r[5]=(1-(d+g))*x,r[6]=(h+_)*x,r[7]=0,r[8]=(p+v)*S,r[9]=(h-_)*S,r[10]=(1-(d+m))*S,r[11]=0,r[12]=e.x,r[13]=e.y,r[14]=e.z,r[15]=1,this}decompose(e,t,n){let r=this.elements;e.x=r[12],e.y=r[13],e.z=r[14];let i=this.determinant();if(i===0)return n.set(1,1,1),t.identity(),this;let a=Xt.set(r[0],r[1],r[2]).length(),o=Xt.set(r[4],r[5],r[6]).length(),s=Xt.set(r[8],r[9],r[10]).length();i<0&&(a=-a),Zt.copy(this);let c=1/a,l=1/o,u=1/s;return Zt.elements[0]*=c,Zt.elements[1]*=c,Zt.elements[2]*=c,Zt.elements[4]*=l,Zt.elements[5]*=l,Zt.elements[6]*=l,Zt.elements[8]*=u,Zt.elements[9]*=u,Zt.elements[10]*=u,t.setFromRotationMatrix(Zt),n.x=a,n.y=o,n.z=s,this}makePerspective(e,t,n,r,i,a,o=We,s=!1){let c=this.elements,l=2*i/(t-e),u=2*i/(n-r),d=(t+e)/(t-e),f=(n+r)/(n-r),p,m;if(s)p=i/(a-i),m=a*i/(a-i);else if(o===2e3)p=-(a+i)/(a-i),m=-2*a*i/(a-i);else if(o===2001)p=-a/(a-i),m=-a*i/(a-i);else throw Error(`THREE.Matrix4.makePerspective(): Invalid coordinate system: `+o);return c[0]=l,c[4]=0,c[8]=d,c[12]=0,c[1]=0,c[5]=u,c[9]=f,c[13]=0,c[2]=0,c[6]=0,c[10]=p,c[14]=m,c[3]=0,c[7]=0,c[11]=-1,c[15]=0,this}makeOrthographic(e,t,n,r,i,a,o=We,s=!1){let c=this.elements,l=2/(t-e),u=2/(n-r),d=-(t+e)/(t-e),f=-(n+r)/(n-r),p,m;if(s)p=1/(a-i),m=a/(a-i);else if(o===2e3)p=-2/(a-i),m=-(a+i)/(a-i);else if(o===2001)p=-1/(a-i),m=-i/(a-i);else throw Error(`THREE.Matrix4.makeOrthographic(): Invalid coordinate system: `+o);return c[0]=l,c[4]=0,c[8]=0,c[12]=d,c[1]=0,c[5]=u,c[9]=0,c[13]=f,c[2]=0,c[6]=0,c[10]=p,c[14]=m,c[3]=0,c[7]=0,c[11]=0,c[15]=1,this}equals(e){let t=this.elements,n=e.elements;for(let e=0;e<16;e++)if(t[e]!==n[e])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){let 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}},Xt=new K,Zt=new Yt,Qt=new K(0,0,0),$t=new K(1,1,1),en=new K,tn=new K,nn=new K,rn=new Yt,an=new Dt,on=class e{constructor(t=0,n=0,r=0,i=e.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=n,this._z=r,this._order=i}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,n,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){let r=e.elements,i=r[0],a=r[4],o=r[8],s=r[1],c=r[5],l=r[9],u=r[2],d=r[6],f=r[10];switch(t){case`XYZ`:this._y=Math.asin(U(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-l,f),this._z=Math.atan2(-a,i)):(this._x=Math.atan2(d,c),this._z=0);break;case`YXZ`:this._x=Math.asin(-U(l,-1,1)),Math.abs(l)<.9999999?(this._y=Math.atan2(o,f),this._z=Math.atan2(s,c)):(this._y=Math.atan2(-u,i),this._z=0);break;case`ZXY`:this._x=Math.asin(U(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(-u,f),this._z=Math.atan2(-a,c)):(this._y=0,this._z=Math.atan2(s,i));break;case`ZYX`:this._y=Math.asin(-U(u,-1,1)),Math.abs(u)<.9999999?(this._x=Math.atan2(d,f),this._z=Math.atan2(s,i)):(this._x=0,this._z=Math.atan2(-a,c));break;case`YZX`:this._z=Math.asin(U(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(-l,c),this._y=Math.atan2(-u,i)):(this._x=0,this._y=Math.atan2(o,f));break;case`XZY`:this._z=Math.asin(-U(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(d,c),this._y=Math.atan2(o,i)):(this._x=Math.atan2(-l,f),this._y=0);break;default:B(`Euler: 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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++){let r=this.children[n].getObjectByProperty(e,t);if(r!==void 0)return r}}getObjectsByProperty(e,t,n=[]){this[e]===t&&n.push(this);let r=this.children;for(let i=0,a=r.length;i<a;i++)r[i].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(pn,e,mn),e}getWorldScale(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(pn,hn,e),e}getWorldDirection(e){this.updateWorldMatrix(!0,!1);let t=this.matrixWorld.elements;return e.set(t[8],t[9],t[10]).normalize()}raycast(){}traverse(e){e(this);let t=this.children;for(let n=0,r=t.length;n<r;n++)t[n].traverse(e)}traverseVisible(e){if(this.visible===!1)return;e(this);let 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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){let e=this.children;for(let t=0,n=e.length;t<n;t++)e[t].updateWorldMatrix(!1,!0)}}toJSON(e){let 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`});let 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 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r.material=i(e.materials,this.material);if(this.children.length>0){r.children=[];for(let t=0;t<this.children.length;t++)r.children.push(this.children[t].toJSON(e).object)}if(this.animations.length>0){r.animations=[];for(let t=0;t<this.animations.length;t++){let n=this.animations[t];r.animations.push(i(e.animations,n))}}if(t){let t=a(e.geometries),r=a(e.materials),i=a(e.textures),o=a(e.images),s=a(e.shapes),c=a(e.skeletons),l=a(e.animations),u=a(e.nodes);t.length>0&&(n.geometries=t),r.length>0&&(n.materials=r),i.length>0&&(n.textures=i),o.length>0&&(n.images=o),s.length>0&&(n.shapes=s),c.length>0&&(n.skeletons=c),l.length>0&&(n.animations=l),u.length>0&&(n.nodes=u)}return n.object=r,n;function a(e){let t=[];for(let n in e){let r=e[n];delete r.metadata,t.push(r)}return t}}clone(e){return new this.constructor().copy(this,e)}copy(e,t=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.pivot=e.pivot===null?null:e.pivot.clone(),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 t=0;t<e.children.length;t++){let n=e.children[t];this.add(n.clone())}return this}};Cn.DEFAULT_UP=new K(0,1,0),Cn.DEFAULT_MATRIX_AUTO_UPDATE=!0,Cn.DEFAULT_MATRIX_WORLD_AUTO_UPDATE=!0;var wn=class extends 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An(e,t,n){return n<0&&(n+=1),n>1&&--n,n<1/6?e+(t-e)*6*n:n<1/2?t:n<2/3?e+(t-e)*6*(2/3-n):e}var Y=class{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){let t=e;t&&t.isColor?this.copy(t):typeof t==`number`?this.setHex(t):typeof t==`string`&&this.setStyle(t)}else this.setRGB(e,t,n);return this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e,t=Re){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(e&255)/255,J.colorSpaceToWorking(this,t),this}setRGB(e,t,n,r=J.workingColorSpace){return this.r=e,this.g=t,this.b=n,J.colorSpaceToWorking(this,r),this}setHSL(e,t,n,r=J.workingColorSpace){if(e=st(e,1),t=U(t,0,1),n=U(n,0,1),t===0)this.r=this.g=this.b=n;else{let r=n<=.5?n*(1+t):n+t-n*t,i=2*n-r;this.r=An(i,r,e+1/3),this.g=An(i,r,e),this.b=An(i,r,e-1/3)}return J.colorSpaceToWorking(this,r),this}setStyle(e,t=Re){function n(t){t!==void 0&&parseFloat(t)<1&&B(`Color: Alpha component of `+e+` 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J.workingToColorSpace(jn.copy(this),e),Math.round(U(jn.r*255,0,255))*65536+Math.round(U(jn.g*255,0,255))*256+Math.round(U(jn.b*255,0,255))}getHexString(e=Re){return(`000000`+this.getHex(e).toString(16)).slice(-6)}getHSL(e,t=J.workingColorSpace){J.workingToColorSpace(jn.copy(this),t);let n=jn.r,r=jn.g,i=jn.b,a=Math.max(n,r,i),o=Math.min(n,r,i),s,c,l=(o+a)/2;if(o===a)s=0,c=0;else{let e=a-o;switch(c=l<=.5?e/(a+o):e/(2-a-o),a){case n:s=(r-i)/e+(r<i?6:0);break;case r:s=(i-n)/e+2;break;case i:s=(n-r)/e+4;break}s/=6}return e.h=s,e.s=c,e.l=l,e}getRGB(e,t=J.workingColorSpace){return J.workingToColorSpace(jn.copy(this),t),e.r=jn.r,e.g=jn.g,e.b=jn.b,e}getStyle(e=Re){J.workingToColorSpace(jn.copy(this),e);let t=jn.r,n=jn.g,r=jn.b;return e===`srgb`?`rgb(${Math.round(t*255)},${Math.round(n*255)},${Math.round(r*255)})`:`color(${e} ${t.toFixed(3)} ${n.toFixed(3)} ${r.toFixed(3)})`}offsetHSL(e,t,n){return this.getHSL(On),this.setHSL(On.h+e,On.s+t,On.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}lerpColors(e,t,n){return this.r=e.r+(t.r-e.r)*n,this.g=e.g+(t.g-e.g)*n,this.b=e.b+(t.b-e.b)*n,this}lerpHSL(e,t){this.getHSL(On),e.getHSL(kn);let n=ut(On.h,kn.h,t),r=ut(On.s,kn.s,t),i=ut(On.l,kn.l,t);return this.setHSL(n,r,i),this}setFromVector3(e){return this.r=e.x,this.g=e.y,this.b=e.z,this}applyMatrix3(e){let t=this.r,n=this.g,r=this.b,i=e.elements;return this.r=i[0]*t+i[3]*n+i[6]*r,this.g=i[1]*t+i[4]*n+i[7]*r,this.b=i[2]*t+i[5]*n+i[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}},jn=new Y;Y.NAMES=Dn;var Mn=class extends Cn{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 on,this.environmentIntensity=1,this.environmentRotation=new on,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){let 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}},Nn=new K,Pn=new K,Fn=new K,In=new K,Ln=new K,Rn=new K,zn=new K,Bn=new K,Vn=new K,Hn=new K,Un=new Wt,Wn=new Wt,Gn=new Wt,Kn=class e{constructor(e=new K,t=new K,n=new K){this.a=e,this.b=t,this.c=n}static getNormal(e,t,n,r){r.subVectors(n,t),Nn.subVectors(e,t),r.cross(Nn);let i=r.lengthSq();return i>0?r.multiplyScalar(1/Math.sqrt(i)):r.set(0,0,0)}static getBarycoord(e,t,n,r,i){Nn.subVectors(r,t),Pn.subVectors(n,t),Fn.subVectors(e,t);let a=Nn.dot(Nn),o=Nn.dot(Pn),s=Nn.dot(Fn),c=Pn.dot(Pn),l=Pn.dot(Fn),u=a*c-o*o;if(u===0)return i.set(0,0,0),null;let 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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){let 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);let n=e.geometry;if(n!==void 0){let r=n.getAttribute(`position`);if(t===!0&&r!==void 0&&e.isInstancedMesh!==!0)for(let t=0,n=r.count;t<n;t++)e.isMesh===!0?e.getVertexPosition(t,Yn):Yn.fromBufferAttribute(r,t),Yn.applyMatrix4(e.matrixWorld),this.expandByPoint(Yn);else e.boundingBox===void 0?(n.boundingBox===null&&n.computeBoundingBox(),Xn.copy(n.boundingBox)):(e.boundingBox===null&&e.computeBoundingBox(),Xn.copy(e.boundingBox)),Xn.applyMatrix4(e.matrixWorld),this.union(Xn)}let r=e.children;for(let e=0,n=r.length;e<n;e++)this.expandByObject(r[e],t);return this}containsPoint(e){return e.x>=this.min.x&&e.x<=this.max.x&&e.y>=this.min.y&&e.y<=this.max.y&&e.z>=this.min.z&&e.z<=this.max.z}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(e){return e.max.x>=this.min.x&&e.min.x<=this.max.x&&e.max.y>=this.min.y&&e.min.y<=this.max.y&&e.max.z>=this.min.z&&e.min.z<=this.max.z}intersectsSphere(e){return this.clampPoint(e.center,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(rr),ir.subVectors(this.max,rr),Zn.subVectors(e.a,rr),Qn.subVectors(e.b,rr),$n.subVectors(e.c,rr),er.subVectors(Qn,Zn),tr.subVectors($n,Qn),nr.subVectors(Zn,$n);let t=[0,-er.z,er.y,0,-tr.z,tr.y,0,-nr.z,nr.y,er.z,0,-er.x,tr.z,0,-tr.x,nr.z,0,-nr.x,-er.y,er.x,0,-tr.y,tr.x,0,-nr.y,nr.x,0];return!sr(t,Zn,Qn,$n,ir)||(t=[1,0,0,0,1,0,0,0,1],!sr(t,Zn,Qn,$n,ir))?!1:(ar.crossVectors(er,tr),t=[ar.x,ar.y,ar.z],sr(t,Zn,Qn,$n,ir))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,Yn).distanceTo(e)}getBoundingSphere(e){return this.isEmpty()?e.makeEmpty():(this.getCenter(e.center),e.radius=this.getSize(Yn).length()*.5),e}intersect(e){return this.min.max(e.min),this.max.min(e.max),this.isEmpty()&&this.makeEmpty(),this}union(e){return this.min.min(e.min),this.max.max(e.max),this}applyMatrix4(e){return this.isEmpty()?this:(Jn[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),Jn[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),Jn[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),Jn[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),Jn[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),Jn[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),Jn[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),Jn[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(Jn),this)}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}toJSON(){return{min:this.min.toArray(),max:this.max.toArray()}}fromJSON(e){return this.min.fromArray(e.min),this.max.fromArray(e.max),this}},Jn=[new K,new K,new K,new K,new K,new K,new K,new K],Yn=new K,Xn=new qn,Zn=new K,Qn=new K,$n=new K,er=new K,tr=new K,nr=new K,rr=new K,ir=new K,ar=new K,or=new K;function sr(e,t,n,r,i){for(let a=0,o=e.length-3;a<=o;a+=3){or.fromArray(e,a);let o=i.x*Math.abs(or.x)+i.y*Math.abs(or.y)+i.z*Math.abs(or.z),s=t.dot(or),c=n.dot(or),l=r.dot(or);if(Math.max(-Math.max(s,c,l),Math.min(s,c,l))>o)return!1}return!0}var cr=new K,lr=new G,ur=0,dr=class extends nt{constructor(e,t,n=!1){if(super(),Array.isArray(e))throw TypeError(`THREE.BufferAttribute: array should be a Typed Array.`);this.isBufferAttribute=!0,Object.defineProperty(this,`id`,{value:ur++}),this.name=``,this.array=e,this.itemSize=t,this.count=e===void 0?0:e.length/t,this.normalized=n,this.usage=Ue,this.updateRanges=[],this.gpuType=_,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,i=this.itemSize;r<i;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++)lr.fromBufferAttribute(this,t),lr.applyMatrix3(e),this.setXY(t,lr.x,lr.y);else if(this.itemSize===3)for(let t=0,n=this.count;t<n;t++)cr.fromBufferAttribute(this,t),cr.applyMatrix3(e),this.setXYZ(t,cr.x,cr.y,cr.z);return this}applyMatrix4(e){for(let t=0,n=this.count;t<n;t++)cr.fromBufferAttribute(this,t),cr.applyMatrix4(e),this.setXYZ(t,cr.x,cr.y,cr.z);return this}applyNormalMatrix(e){for(let t=0,n=this.count;t<n;t++)cr.fromBufferAttribute(this,t),cr.applyNormalMatrix(e),this.setXYZ(t,cr.x,cr.y,cr.z);return this}transformDirection(e){for(let t=0,n=this.count;t<n;t++)cr.fromBufferAttribute(this,t),cr.transformDirection(e),this.setXYZ(t,cr.x,cr.y,cr.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=Tt(n,this.array)),n}setComponent(e,t,n){return this.normalized&&(n=W(n,this.array)),this.array[e*this.itemSize+t]=n,this}getX(e){let t=this.array[e*this.itemSize];return this.normalized&&(t=Tt(t,this.array)),t}setX(e,t){return this.normalized&&(t=W(t,this.array)),this.array[e*this.itemSize]=t,this}getY(e){let t=this.array[e*this.itemSize+1];return this.normalized&&(t=Tt(t,this.array)),t}setY(e,t){return this.normalized&&(t=W(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=Tt(t,this.array)),t}setZ(e,t){return this.normalized&&(t=W(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=Tt(t,this.array)),t}setW(e,t){return this.normalized&&(t=W(t,this.array)),this.array[e*this.itemSize+3]=t,this}setXY(e,t,n){return e*=this.itemSize,this.normalized&&(t=W(t,this.array),n=W(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=W(t,this.array),n=W(n,this.array),r=W(r,this.array)),this.array[e+0]=t,this.array[e+1]=n,this.array[e+2]=r,this}setXYZW(e,t,n,r,i){return e*=this.itemSize,this.normalized&&(t=W(t,this.array),n=W(n,this.array),r=W(r,this.array),i=W(i,this.array)),this.array[e+0]=t,this.array[e+1]=n,this.array[e+2]=r,this.array[e+3]=i,this}onUpload(e){return this.onUploadCallback=e,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){let e={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.from(this.array),normalized:this.normalized};return this.name!==``&&(e.name=this.name),this.usage!==35044&&(e.usage=this.usage),e}dispose(){this.dispatchEvent({type:`dispose`})}},fr=class extends dr{constructor(e,t,n){super(new Uint16Array(e),t,n)}},pr=class extends dr{constructor(e,t,n){super(new Uint32Array(e),t,n)}},mr=class extends dr{constructor(e,t,n){super(new Float32Array(e),t,n)}},hr=new qn,gr=new K,_r=new K,vr=class{constructor(e=new K,t=-1){this.isSphere=!0,this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){let n=this.center;t===void 0?hr.setFromPoints(e).getCenter(n):n.copy(t);let r=0;for(let t=0,i=e.length;t<i;t++)r=Math.max(r,n.distanceToSquared(e[t]));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){let t=this.radius+e.radius;return e.center.distanceToSquared(this.center)<=t*t}intersectsBox(e){return e.intersectsSphere(this)}intersectsPlane(e){return Math.abs(e.distanceToPoint(this.center))<=this.radius}clampPoint(e,t){let 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*=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;gr.subVectors(e,this.center);let t=gr.lengthSq();if(t>this.radius*this.radius){let e=Math.sqrt(t),n=(e-this.radius)*.5;this.center.addScaledVector(gr,n/e),this.radius+=n}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):(_r.subVectors(e.center,this.center).setLength(e.radius),this.expandByPoint(gr.copy(e.center).add(_r)),this.expandByPoint(gr.copy(e.center).sub(_r))),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}},yr=0,br=new Yt,xr=new Cn,Sr=new K,Cr=new qn,wr=new qn,Tr=new K,Er=class e extends nt{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,`id`,{value:yr++}),this.uuid=ot(),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(Ge(e)?pr:fr)(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}addGroup(e,t,n=0){this.groups.push({start:e,count:t,materialIndex:n})}clearGroups(){this.groups=[]}setDrawRange(e,t){this.drawRange.start=e,this.drawRange.count=t}applyMatrix4(e){let t=this.attributes.position;t!==void 0&&(t.applyMatrix4(e),t.needsUpdate=!0);let n=this.attributes.normal;if(n!==void 0){let t=new q().getNormalMatrix(e);n.applyNormalMatrix(t),n.needsUpdate=!0}let 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 br.makeRotationFromQuaternion(e),this.applyMatrix4(br),this}rotateX(e){return br.makeRotationX(e),this.applyMatrix4(br),this}rotateY(e){return br.makeRotationY(e),this.applyMatrix4(br),this}rotateZ(e){return br.makeRotationZ(e),this.applyMatrix4(br),this}translate(e,t,n){return br.makeTranslation(e,t,n),this.applyMatrix4(br),this}scale(e,t,n){return br.makeScale(e,t,n),this.applyMatrix4(br),this}lookAt(e){return xr.lookAt(e),xr.updateMatrix(),this.applyMatrix4(xr.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(Sr).negate(),this.translate(Sr.x,Sr.y,Sr.z),this}setFromPoints(e){let t=this.getAttribute(`position`);if(t===void 0){let t=[];for(let n=0,r=e.length;n<r;n++){let r=e[n];t.push(r.x,r.y,r.z||0)}this.setAttribute(`position`,new mr(t,3))}else{let n=Math.min(e.length,t.count);for(let r=0;r<n;r++){let n=e[r];t.setXYZ(r,n.x,n.y,n.z||0)}e.length>t.count&&B(`BufferGeometry: Buffer size too small for points data. 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t=r,n=r+i;t<n;t+=3)g(e.getX(t+0),e.getX(t+1),e.getX(t+2))}let v=new K,y=new K,b=new K,x=new K;function S(e){b.fromBufferAttribute(r,e),x.copy(b);let t=o[e];v.copy(t),v.sub(b.multiplyScalar(b.dot(t))).normalize(),y.crossVectors(x,t);let n=y.dot(s[e])<0?-1:1;a.setXYZW(e,v.x,v.y,v.z,n)}for(let t=0,n=_.length;t<n;++t){let n=_[t],r=n.start,i=n.count;for(let t=r,n=r+i;t<n;t+=3)S(e.getX(t+0)),S(e.getX(t+1)),S(e.getX(t+2))}}computeVertexNormals(){let e=this.index,t=this.getAttribute(`position`);if(t!==void 0){let n=this.getAttribute(`normal`);if(n===void 0)n=new dr(new Float32Array(t.count*3),3),this.setAttribute(`normal`,n);else for(let e=0,t=n.count;e<t;e++)n.setXYZ(e,0,0,0);let r=new K,i=new K,a=new K,o=new K,s=new K,c=new K,l=new K,u=new K;if(e)for(let d=0,f=e.count;d<f;d+=3){let f=e.getX(d+0),p=e.getX(d+1),m=e.getX(d+2);r.fromBufferAttribute(t,f),i.fromBufferAttribute(t,p),a.fromBufferAttribute(t,m),l.subVectors(a,i),u.subVectors(r,i),l.cross(u),o.fromBufferAttribute(n,f),s.fromBufferAttribute(n,p),c.fromBufferAttribute(n,m),o.add(l),s.add(l),c.add(l),n.setXYZ(f,o.x,o.y,o.z),n.setXYZ(p,s.x,s.y,s.z),n.setXYZ(m,c.x,c.y,c.z)}else for(let e=0,o=t.count;e<o;e+=3)r.fromBufferAttribute(t,e+0),i.fromBufferAttribute(t,e+1),a.fromBufferAttribute(t,e+2),l.subVectors(a,i),u.subVectors(r,i),l.cross(u),n.setXYZ(e+0,l.x,l.y,l.z),n.setXYZ(e+1,l.x,l.y,l.z),n.setXYZ(e+2,l.x,l.y,l.z);this.normalizeNormals(),n.needsUpdate=!0}}normalizeNormals(){let e=this.attributes.normal;for(let t=0,n=e.count;t<n;t++)Tr.fromBufferAttribute(e,t),Tr.normalize(),e.setXYZ(t,Tr.x,Tr.y,Tr.z)}toNonIndexed(){function t(e,t){let n=e.array,r=e.itemSize,i=e.normalized,a=new n.constructor(t.length*r),o=0,s=0;for(let i=0,c=t.length;i<c;i++){o=e.isInterleavedBufferAttribute?t[i]*e.data.stride+e.offset:t[i]*r;for(let e=0;e<r;e++)a[s++]=n[o++]}return new dr(a,r,i)}if(this.index===null)return B(`BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed.`),this;let n=new e,r=this.index.array,i=this.attributes;for(let e in i){let a=i[e],o=t(a,r);n.setAttribute(e,o)}let a=this.morphAttributes;for(let e in a){let i=[],o=a[e];for(let e=0,n=o.length;e<n;e++){let n=o[e],a=t(n,r);i.push(a)}n.morphAttributes[e]=i}n.morphTargetsRelative=this.morphTargetsRelative;let o=this.groups;for(let e=0,t=o.length;e<t;e++){let t=o[e];n.addGroup(t.start,t.count,t.materialIndex)}return n}toJSON(){let 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){let t=this.parameters;for(let n in t)t[n]!==void 0&&(e[n]=t[n]);return e}e.data={attributes:{}};let t=this.index;t!==null&&(e.data.index={type:t.array.constructor.name,array:Array.prototype.slice.call(t.array)});let n=this.attributes;for(let t in n){let r=n[t];e.data.attributes[t]=r.toJSON(e.data)}let r={},i=!1;for(let t in this.morphAttributes){let n=this.morphAttributes[t],a=[];for(let t=0,r=n.length;t<r;t++){let r=n[t];a.push(r.toJSON(e.data))}a.length>0&&(r[t]=a,i=!0)}i&&(e.data.morphAttributes=r,e.data.morphTargetsRelative=this.morphTargetsRelative);let a=this.groups;a.length>0&&(e.data.groups=JSON.parse(JSON.stringify(a)));let 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;let t={};this.name=e.name;let n=e.index;n!==null&&this.setIndex(n.clone());let r=e.attributes;for(let e in r){let n=r[e];this.setAttribute(e,n.clone(t))}let i=e.morphAttributes;for(let e in i){let n=[],r=i[e];for(let e=0,i=r.length;e<i;e++)n.push(r[e].clone(t));this.morphAttributes[e]=n}this.morphTargetsRelative=e.morphTargetsRelative;let a=e.groups;for(let e=0,t=a.length;e<t;e++){let t=a[e];this.addGroup(t.start,t.count,t.materialIndex)}let o=e.boundingBox;o!==null&&(this.boundingBox=o.clone());let s=e.boundingSphere;return s!==null&&(this.boundingSphere=s.clone()),this.drawRange.start=e.drawRange.start,this.drawRange.count=e.drawRange.count,this.userData=e.userData,this}dispose(){this.dispatchEvent({type:`dispose`})}},Dr=class{constructor(e,t){this.isInterleavedBuffer=!0,this.array=e,this.stride=t,this.count=e===void 0?0:e.length/t,this.usage=Ue,this.updateRanges=[],this.version=0,this.uuid=ot()}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,i=this.stride;r<i;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=ot()),e.arrayBuffers[this.array.buffer._uuid]===void 0&&(e.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);let 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=ot()),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}}},Or=new K,kr=class e{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++)Or.fromBufferAttribute(this,t),Or.applyMatrix4(e),this.setXYZ(t,Or.x,Or.y,Or.z);return this}applyNormalMatrix(e){for(let t=0,n=this.count;t<n;t++)Or.fromBufferAttribute(this,t),Or.applyNormalMatrix(e),this.setXYZ(t,Or.x,Or.y,Or.z);return this}transformDirection(e){for(let t=0,n=this.count;t<n;t++)Or.fromBufferAttribute(this,t),Or.transformDirection(e),this.setXYZ(t,Or.x,Or.y,Or.z);return this}getComponent(e,t){let n=this.array[e*this.data.stride+this.offset+t];return this.normalized&&(n=Tt(n,this.array)),n}setComponent(e,t,n){return this.normalized&&(n=W(n,this.array)),this.data.array[e*this.data.stride+this.offset+t]=n,this}setX(e,t){return this.normalized&&(t=W(t,this.array)),this.data.array[e*this.data.stride+this.offset]=t,this}setY(e,t){return this.normalized&&(t=W(t,this.array)),this.data.array[e*this.data.stride+this.offset+1]=t,this}setZ(e,t){return this.normalized&&(t=W(t,this.array)),this.data.array[e*this.data.stride+this.offset+2]=t,this}setW(e,t){return this.normalized&&(t=W(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=Tt(t,this.array)),t}getY(e){let t=this.data.array[e*this.data.stride+this.offset+1];return this.normalized&&(t=Tt(t,this.array)),t}getZ(e){let t=this.data.array[e*this.data.stride+this.offset+2];return this.normalized&&(t=Tt(t,this.array)),t}getW(e){let t=this.data.array[e*this.data.stride+this.offset+3];return this.normalized&&(t=Tt(t,this.array)),t}setXY(e,t,n){return e=e*this.data.stride+this.offset,this.normalized&&(t=W(t,this.array),n=W(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=W(t,this.array),n=W(n,this.array),r=W(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,i){return e=e*this.data.stride+this.offset,this.normalized&&(t=W(t,this.array),n=W(n,this.array),r=W(r,this.array),i=W(i,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]=i,this}clone(t){if(t===void 0){Ze(`InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data.`);let e=[];for(let t=0;t<this.count;t++){let n=t*this.data.stride+this.offset;for(let t=0;t<this.itemSize;t++)e.push(this.data.array[n+t])}return new dr(new this.array.constructor(e),this.itemSize,this.normalized)}else return t.interleavedBuffers===void 0&&(t.interleavedBuffers={}),t.interleavedBuffers[this.data.uuid]===void 0&&(t.interleavedBuffers[this.data.uuid]=this.data.clone(t)),new e(t.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)}toJSON(e){if(e===void 0){Ze(`InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data.`);let e=[];for(let t=0;t<this.count;t++){let n=t*this.data.stride+this.offset;for(let t=0;t<this.itemSize;t++)e.push(this.data.array[n+t])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:e,normalized:this.normalized}}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}}},Ar=0,jr=class extends nt{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,`id`,{value:Ar++}),this.uuid=ot(),this.name=``,this.type=`Material`,this.blending=1,this.side=0,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.alphaHash=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=100,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.blendColor=new Y(0,0,0),this.blendAlpha=0,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=He,this.stencilZFail=He,this.stencilZPass=He,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(let t in e){let n=e[t];if(n===void 0){B(`Material: parameter '${t}' has value of undefined.`);continue}let r=this[t];if(r===void 0){B(`Material: '${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){let t=e===void 0||typeof e==`string`;t&&(e={textures:{},images:{}});let n={metadata:{version:4.7,type:`Material`,generator:`Material.toJSON`}};n.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!==1&&(n.blending=this.blending),this.side!==0&&(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!==204&&(n.blendSrc=this.blendSrc),this.blendDst!==205&&(n.blendDst=this.blendDst),this.blendEquation!==100&&(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!==3&&(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!==519&&(n.stencilFunc=this.stencilFunc),this.stencilRef!==0&&(n.stencilRef=this.stencilRef),this.stencilFuncMask!==255&&(n.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==7680&&(n.stencilFail=this.stencilFail),this.stencilZFail!==7680&&(n.stencilZFail=this.stencilZFail),this.stencilZPass!==7680&&(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(e){let t=[];for(let n in e){let r=e[n];delete r.metadata,t.push(r)}return t}if(t){let t=r(e.textures),i=r(e.images);t.length>0&&(n.textures=t),i.length>0&&(n.images=i)}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;let t=e.clippingPlanes,n=null;if(t!==null){let e=t.length;n=Array(e);for(let r=0;r!==e;++r)n[r]=t[r].clone()}return this.clippingPlanes=n,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.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++}},Mr=new K,Nr=new K,Pr=new K,Fr=new K,Ir=new K,Lr=new K,Rr=new K,zr=class{constructor(e=new K,t=new K(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,Mr)),this}closestPointToPoint(e,t){t.subVectors(e,this.origin);let 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){let t=Mr.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(Mr.copy(this.origin).addScaledVector(this.direction,t),Mr.distanceToSquared(e))}distanceSqToSegment(e,t,n,r){Nr.copy(e).add(t).multiplyScalar(.5),Pr.copy(t).sub(e).normalize(),Fr.copy(this.origin).sub(Nr);let i=e.distanceTo(t)*.5,a=-this.direction.dot(Pr),o=Fr.dot(this.direction),s=-Fr.dot(Pr),c=Fr.lengthSq(),l=Math.abs(1-a*a),u,d,f,p;if(l>0)if(u=a*s-o,d=a*o-s,p=i*l,u>=0)if(d>=-p)if(d<=p){let e=1/l;u*=e,d*=e,f=u*(u+a*d+2*o)+d*(a*u+d+2*s)+c}else d=i,u=Math.max(0,-(a*d+o)),f=-u*u+d*(d+2*s)+c;else d=-i,u=Math.max(0,-(a*d+o)),f=-u*u+d*(d+2*s)+c;else d<=-p?(u=Math.max(0,-(-a*i+o)),d=u>0?-i:Math.min(Math.max(-i,-s),i),f=-u*u+d*(d+2*s)+c):d<=p?(u=0,d=Math.min(Math.max(-i,-s),i),f=d*(d+2*s)+c):(u=Math.max(0,-(a*i+o)),d=u>0?i:Math.min(Math.max(-i,-s),i),f=-u*u+d*(d+2*s)+c);else d=a>0?-i:i,u=Math.max(0,-(a*d+o)),f=-u*u+d*(d+2*s)+c;return n&&n.copy(this.origin).addScaledVector(this.direction,u),r&&r.copy(Nr).addScaledVector(Pr,d),f}intersectSphere(e,t){Mr.subVectors(e.center,this.origin);let n=Mr.dot(this.direction),r=Mr.dot(Mr)-n*n,i=e.radius*e.radius;if(r>i)return null;let a=Math.sqrt(i-r),o=n-a,s=n+a;return s<0?null:o<0?this.at(s,t):this.at(o,t)}intersectsSphere(e){return e.radius<0?!1:this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){let t=e.normal.dot(this.direction);if(t===0)return e.distanceToPoint(this.origin)===0?0:null;let n=-(this.origin.dot(e.normal)+e.constant)/t;return n>=0?n:null}intersectPlane(e,t){let n=this.distanceToPlane(e);return n===null?null:this.at(n,t)}intersectsPlane(e){let t=e.distanceToPoint(this.origin);return t===0||e.normal.dot(this.direction)*t<0}intersectBox(e,t){let n,r,i,a,o,s,c=1/this.direction.x,l=1/this.direction.y,u=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),l>=0?(i=(e.min.y-d.y)*l,a=(e.max.y-d.y)*l):(i=(e.max.y-d.y)*l,a=(e.min.y-d.y)*l),n>a||i>r||((i>n||isNaN(n))&&(n=i),(a<r||isNaN(r))&&(r=a),u>=0?(o=(e.min.z-d.z)*u,s=(e.max.z-d.z)*u):(o=(e.max.z-d.z)*u,s=(e.min.z-d.z)*u),n>s||o>r)||((o>n||n!==n)&&(n=o),(s<r||r!==r)&&(r=s),r<0)?null:this.at(n>=0?n:r,t)}intersectsBox(e){return this.intersectBox(e,Mr)!==null}intersectTriangle(e,t,n,r,i){Ir.subVectors(t,e),Lr.subVectors(n,e),Rr.crossVectors(Ir,Lr);let a=this.direction.dot(Rr),o;if(a>0){if(r)return null;o=1}else if(a<0)o=-1,a=-a;else return null;Fr.subVectors(this.origin,e);let s=o*this.direction.dot(Lr.crossVectors(Fr,Lr));if(s<0)return null;let c=o*this.direction.dot(Ir.cross(Fr));if(c<0||s+c>a)return null;let l=-o*Fr.dot(Rr);return l<0?null:this.at(l/a,i)}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)}},Br=class extends jr{constructor(e){super(),this.isMeshBasicMaterial=!0,this.type=`MeshBasicMaterial`,this.color=new Y(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 on,this.combine=0,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}},Vr=new Yt,Hr=new zr,Ur=new vr,Wr=new K,Gr=new K,Kr=new K,qr=new K,Jr=new K,Yr=new K,Xr=new K,Zr=new K,Qr=class extends Cn{constructor(e=new Er,t=new Br){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(){let e=this.geometry.morphAttributes,t=Object.keys(e);if(t.length>0){let n=e[t[0]];if(n!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,t=n.length;e<t;e++){let t=n[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[t]=e}}}}getVertexPosition(e,t){let n=this.geometry,r=n.attributes.position,i=n.morphAttributes.position,a=n.morphTargetsRelative;t.fromBufferAttribute(r,e);let o=this.morphTargetInfluences;if(i&&o){Yr.set(0,0,0);for(let n=0,r=i.length;n<r;n++){let r=o[n],s=i[n];r!==0&&(Jr.fromBufferAttribute(s,e),a?Yr.addScaledVector(Jr,r):Yr.addScaledVector(Jr.sub(t),r))}t.add(Yr)}return t}raycast(e,t){let n=this.geometry,r=this.material,i=this.matrixWorld;r!==void 0&&(n.boundingSphere===null&&n.computeBoundingSphere(),Ur.copy(n.boundingSphere),Ur.applyMatrix4(i),Hr.copy(e.ray).recast(e.near),!(Ur.containsPoint(Hr.origin)===!1&&(Hr.intersectSphere(Ur,Wr)===null||Hr.origin.distanceToSquared(Wr)>(e.far-e.near)**2))&&(Vr.copy(i).invert(),Hr.copy(e.ray).applyMatrix4(Vr),!(n.boundingBox!==null&&Hr.intersectsBox(n.boundingBox)===!1)&&this._computeIntersections(e,t,Hr)))}_computeIntersections(e,t,n){let r,i=this.geometry,a=this.material,o=i.index,s=i.attributes.position,c=i.attributes.uv,l=i.attributes.uv1,u=i.attributes.normal,d=i.groups,f=i.drawRange;if(o!==null)if(Array.isArray(a))for(let i=0,s=d.length;i<s;i++){let s=d[i],p=a[s.materialIndex],m=Math.max(s.start,f.start),h=Math.min(o.count,Math.min(s.start+s.count,f.start+f.count));for(let i=m,a=h;i<a;i+=3){let a=o.getX(i),d=o.getX(i+1),f=o.getX(i+2);r=ei(this,p,e,n,c,l,u,a,d,f),r&&(r.faceIndex=Math.floor(i/3),r.face.materialIndex=s.materialIndex,t.push(r))}}else{let i=Math.max(0,f.start),s=Math.min(o.count,f.start+f.count);for(let d=i,f=s;d<f;d+=3){let i=o.getX(d),s=o.getX(d+1),f=o.getX(d+2);r=ei(this,a,e,n,c,l,u,i,s,f),r&&(r.faceIndex=Math.floor(d/3),t.push(r))}}else if(s!==void 0)if(Array.isArray(a))for(let i=0,o=d.length;i<o;i++){let o=d[i],p=a[o.materialIndex],m=Math.max(o.start,f.start),h=Math.min(s.count,Math.min(o.start+o.count,f.start+f.count));for(let i=m,a=h;i<a;i+=3){let a=i,s=i+1,d=i+2;r=ei(this,p,e,n,c,l,u,a,s,d),r&&(r.faceIndex=Math.floor(i/3),r.face.materialIndex=o.materialIndex,t.push(r))}}else{let i=Math.max(0,f.start),o=Math.min(s.count,f.start+f.count);for(let s=i,d=o;s<d;s+=3){let i=s,o=s+1,d=s+2;r=ei(this,a,e,n,c,l,u,i,o,d),r&&(r.faceIndex=Math.floor(s/3),t.push(r))}}}};function $r(e,t,n,r,i,a,o,s){let c;if(c=t.side===1?r.intersectTriangle(o,a,i,!0,s):r.intersectTriangle(i,a,o,t.side===0,s),c===null)return null;Zr.copy(s),Zr.applyMatrix4(e.matrixWorld);let l=n.ray.origin.distanceTo(Zr);return l<n.near||l>n.far?null:{distance:l,point:Zr.clone(),object:e}}function ei(e,t,n,r,i,a,o,s,c,l){e.getVertexPosition(s,Gr),e.getVertexPosition(c,Kr),e.getVertexPosition(l,qr);let u=$r(e,t,n,r,Gr,Kr,qr,Xr);if(u){let e=new K;Kn.getBarycoord(Xr,Gr,Kr,qr,e),i&&(u.uv=Kn.getInterpolatedAttribute(i,s,c,l,e,new G)),a&&(u.uv1=Kn.getInterpolatedAttribute(a,s,c,l,e,new G)),o&&(u.normal=Kn.getInterpolatedAttribute(o,s,c,l,e,new K),u.normal.dot(r.direction)>0&&u.normal.multiplyScalar(-1));let t={a:s,b:c,c:l,normal:new K,materialIndex:0};Kn.getNormal(Gr,Kr,qr,t.normal),u.face=t,u.barycoord=e}return u}var ti=class extends Ut{constructor(e=null,t=1,n=1,r,i,o,s,c,l=a,u=a,d,f){super(null,o,s,c,l,u,r,i,d,f),this.isDataTexture=!0,this.image={data:e,width:t,height:n},this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}},ni=new K,ri=new K,ii=new q,ai=class{constructor(e=new K(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}setFromCoplanarPoints(e,t,n){let r=ni.subVectors(n,t).cross(ri.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(r,e),this}copy(e){return this.normal.copy(e.normal),this.constant=e.constant,this}normalize(){let e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(e){return this.normal.dot(e)+this.constant}distanceToSphere(e){return this.distanceToPoint(e.center)-e.radius}projectPoint(e,t){return t.copy(e).addScaledVector(this.normal,-this.distanceToPoint(e))}intersectLine(e,t,n=!0){let r=e.delta(ni),i=this.normal.dot(r);if(i===0)return this.distanceToPoint(e.start)===0?t.copy(e.start):null;let a=-(e.start.dot(this.normal)+this.constant)/i;return n===!0&&(a<0||a>1)?null:t.copy(e.start).addScaledVector(r,a)}intersectsLine(e){let 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){let n=t||ii.getNormalMatrix(e),r=this.coplanarPoint(ni).applyMatrix4(e),i=this.normal.applyMatrix3(n).normalize();return this.constant=-r.dot(i),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)}},oi=new vr,si=new G(.5,.5),ci=new K,li=class{constructor(e=new ai,t=new ai,n=new ai,r=new ai,i=new ai,a=new ai){this.planes=[e,t,n,r,i,a]}set(e,t,n,r,i,a){let o=this.planes;return o[0].copy(e),o[1].copy(t),o[2].copy(n),o[3].copy(r),o[4].copy(i),o[5].copy(a),this}copy(e){let t=this.planes;for(let n=0;n<6;n++)t[n].copy(e.planes[n]);return this}setFromProjectionMatrix(e,t=We,n=!1){let r=this.planes,i=e.elements,a=i[0],o=i[1],s=i[2],c=i[3],l=i[4],u=i[5],d=i[6],f=i[7],p=i[8],m=i[9],h=i[10],g=i[11],_=i[12],v=i[13],y=i[14],b=i[15];if(r[0].setComponents(c-a,f-l,g-p,b-_).normalize(),r[1].setComponents(c+a,f+l,g+p,b+_).normalize(),r[2].setComponents(c+o,f+u,g+m,b+v).normalize(),r[3].setComponents(c-o,f-u,g-m,b-v).normalize(),n)r[4].setComponents(s,d,h,y).normalize(),r[5].setComponents(c-s,f-d,g-h,b-y).normalize();else if(r[4].setComponents(c-s,f-d,g-h,b-y).normalize(),t===2e3)r[5].setComponents(c+s,f+d,g+h,b+y).normalize();else if(t===2001)r[5].setComponents(s,d,h,y).normalize();else throw Error(`THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: `+t);return this}intersectsObject(e){if(e.boundingSphere!==void 0)e.boundingSphere===null&&e.computeBoundingSphere(),oi.copy(e.boundingSphere).applyMatrix4(e.matrixWorld);else{let t=e.geometry;t.boundingSphere===null&&t.computeBoundingSphere(),oi.copy(t.boundingSphere).applyMatrix4(e.matrixWorld)}return this.intersectsSphere(oi)}intersectsSprite(e){return oi.center.set(0,0,0),oi.radius=.7071067811865476+si.distanceTo(e.center),oi.applyMatrix4(e.matrixWorld),this.intersectsSphere(oi)}intersectsSphere(e){let t=this.planes,n=e.center,r=-e.radius;for(let e=0;e<6;e++)if(t[e].distanceToPoint(n)<r)return!1;return!0}intersectsBox(e){let t=this.planes;for(let n=0;n<6;n++){let r=t[n];if(ci.x=r.normal.x>0?e.max.x:e.min.x,ci.y=r.normal.y>0?e.max.y:e.min.y,ci.z=r.normal.z>0?e.max.z:e.min.z,r.distanceToPoint(ci)<0)return!1}return!0}containsPoint(e){let 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)}},ui=class extends Ut{constructor(e=[],t=301,n,r,i,a,o,s,c,l){super(e,t,n,r,i,a,o,s,c,l),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(e){this.image=e}},di=class extends Ut{constructor(e,t,n=g,r,i,o,s=a,c=a,l,u=D,d=1){if(u!==1026&&u!==1027)throw Error(`DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat`);super({width:e,height:t,depth:d},r,i,o,s,c,u,n,l),this.isDepthTexture=!0,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(e){return super.copy(e),this.source=new zt(Object.assign({},e.image)),this.compareFunction=e.compareFunction,this}toJSON(e){let t=super.toJSON(e);return this.compareFunction!==null&&(t.compareFunction=this.compareFunction),t}},fi=class extends di{constructor(e,t=g,n=301,r,i,o=a,s=a,c,l=D){let u={width:e,height:e,depth:1},d=[u,u,u,u,u,u];super(e,e,t,n,r,i,o,s,c,l),this.image=d,this.isCubeDepthTexture=!0,this.isCubeTexture=!0}get images(){return this.image}set images(e){this.image=e}},pi=class extends Ut{constructor(e=null){super(),this.sourceTexture=e,this.isExternalTexture=!0}copy(e){return super.copy(e),this.sourceTexture=e.sourceTexture,this}},mi=class e extends Er{constructor(e=1,t=1,n=1,r=1,i=1,a=1){super(),this.type=`BoxGeometry`,this.parameters={width:e,height:t,depth:n,widthSegments:r,heightSegments:i,depthSegments:a};let o=this;r=Math.floor(r),i=Math.floor(i),a=Math.floor(a);let s=[],c=[],l=[],u=[],d=0,f=0;p(`z`,`y`,`x`,-1,-1,n,t,e,a,i,0),p(`z`,`y`,`x`,1,-1,n,t,-e,a,i,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,i,4),p(`x`,`y`,`z`,-1,-1,e,t,-n,r,i,5),this.setIndex(s),this.setAttribute(`position`,new mr(c,3)),this.setAttribute(`normal`,new mr(l,3)),this.setAttribute(`uv`,new mr(u,2));function p(e,t,n,r,i,a,p,m,h,g,_){let v=a/h,y=p/g,b=a/2,x=p/2,S=m/2,C=h+1,w=g+1,T=0,E=0,D=new K;for(let a=0;a<w;a++){let o=a*y-x;for(let s=0;s<C;s++)D[e]=(s*v-b)*r,D[t]=o*i,D[n]=S,c.push(D.x,D.y,D.z),D[e]=0,D[t]=0,D[n]=m>0?1:-1,l.push(D.x,D.y,D.z),u.push(s/h),u.push(1-a/g),T+=1}for(let e=0;e<g;e++)for(let t=0;t<h;t++){let n=d+t+C*e,r=d+t+C*(e+1),i=d+(t+1)+C*(e+1),a=d+(t+1)+C*e;s.push(n,r,a),s.push(r,i,a),E+=6}o.addGroup(f,E,_),f+=E,d+=T}}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(t){return new e(t.width,t.height,t.depth,t.widthSegments,t.heightSegments,t.depthSegments)}},hi=class e extends Er{constructor(e=1,t=1,n=1,r=1){super(),this.type=`PlaneGeometry`,this.parameters={width:e,height:t,widthSegments:n,heightSegments:r};let i=e/2,a=t/2,o=Math.floor(n),s=Math.floor(r),c=o+1,l=s+1,u=e/o,d=t/s,f=[],p=[],m=[],h=[];for(let e=0;e<l;e++){let t=e*d-a;for(let n=0;n<c;n++){let r=n*u-i;p.push(r,-t,0),m.push(0,0,1),h.push(n/o),h.push(1-e/s)}}for(let e=0;e<s;e++)for(let t=0;t<o;t++){let n=t+c*e,r=t+c*(e+1),i=t+1+c*(e+1),a=t+1+c*e;f.push(n,r,a),f.push(r,i,a)}this.setIndex(f),this.setAttribute(`position`,new mr(p,3)),this.setAttribute(`normal`,new mr(m,3)),this.setAttribute(`uv`,new mr(h,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(t){return new e(t.width,t.height,t.widthSegments,t.heightSegments)}},gi=class extends Er{constructor(e=null){if(super(),this.type=`WireframeGeometry`,this.parameters={geometry:e},e!==null){let t=[],n=new Set,r=new K,i=new K;if(e.index!==null){let a=e.attributes.position,o=e.index,s=e.groups;s.length===0&&(s=[{start:0,count:o.count,materialIndex:0}]);for(let e=0,c=s.length;e<c;++e){let c=s[e],l=c.start,u=c.count;for(let e=l,s=l+u;e<s;e+=3)for(let s=0;s<3;s++){let c=o.getX(e+s),l=o.getX(e+(s+1)%3);r.fromBufferAttribute(a,c),i.fromBufferAttribute(a,l),_i(r,i,n)===!0&&(t.push(r.x,r.y,r.z),t.push(i.x,i.y,i.z))}}}else{let a=e.attributes.position;for(let e=0,o=a.count/3;e<o;e++)for(let o=0;o<3;o++){let s=3*e+o,c=3*e+(o+1)%3;r.fromBufferAttribute(a,s),i.fromBufferAttribute(a,c),_i(r,i,n)===!0&&(t.push(r.x,r.y,r.z),t.push(i.x,i.y,i.z))}}this.setAttribute(`position`,new mr(t,3))}}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}};function _i(e,t,n){let r=`${e.x},${e.y},${e.z}-${t.x},${t.y},${t.z}`,i=`${t.x},${t.y},${t.z}-${e.x},${e.y},${e.z}`;return n.has(r)===!0||n.has(i)===!0?!1:(n.add(r),n.add(i),!0)}function vi(e){let t={};for(let n in e){t[n]={};for(let r in e[n]){let i=e[n][r];if(bi(i))i.isRenderTargetTexture?(B(`UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms().`),t[n][r]=null):t[n][r]=i.clone();else if(Array.isArray(i))if(bi(i[0])){let e=[];for(let t=0,n=i.length;t<n;t++)e[t]=i[t].clone();t[n][r]=e}else t[n][r]=i.slice();else t[n][r]=i}}return t}function yi(e){let t={};for(let n=0;n<e.length;n++){let r=vi(e[n]);for(let e in r)t[e]=r[e]}return t}function bi(e){return e&&(e.isColor||e.isMatrix3||e.isMatrix4||e.isVector2||e.isVector3||e.isVector4||e.isTexture||e.isQuaternion)}function xi(e){let t=[];for(let n=0;n<e.length;n++)t.push(e[n].clone());return t}function Si(e){let t=e.getRenderTarget();return t===null?e.outputColorSpace:t.isXRRenderTarget===!0?t.texture.colorSpace:J.workingColorSpace}var Ci={clone:vi,merge:yi},wi=`void main() {
 	gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
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@@ -4908,6 +4909,7 @@ void main() {
 }`;function Ml(e){let t=document.createElement(`style`);t.innerHTML=e;let n=document.querySelector(`head link[rel=stylesheet], head style`);n?document.head.insertBefore(t,n):document.head.appendChild(t)}var Nl=!1,Pl=class e{constructor({parent:e,autoPlace:t=e===void 0,container:n,width:r,title:i=`Controls`,closeFolders:a=!1,injectStyles:o=!0,touchStyles:s=!0}={}){if(this.parent=e,this.root=e?e.root:this,this.children=[],this.controllers=[],this.folders=[],this._closed=!1,this._hidden=!1,this.domElement=document.createElement(`div`),this.domElement.classList.add(`lil-gui`),this.$title=document.createElement(`button`),this.$title.classList.add(`lil-title`),this.$title.setAttribute(`aria-expanded`,!0),this.$title.addEventListener(`click`,()=>this.openAnimated(this._closed)),this.$title.addEventListener(`touchstart`,()=>{},{passive:!0}),this.$children=document.createElement(`div`),this.$children.classList.add(`lil-children`),this.domElement.appendChild(this.$title),this.domElement.appendChild(this.$children),this.title(i),this.parent){this.parent.children.push(this),this.parent.folders.push(this),this.parent.$children.appendChild(this.domElement);return}this.domElement.classList.add(`lil-root`),s&&this.domElement.classList.add(`lil-allow-touch-styles`),!Nl&&o&&(Ml(jl),Nl=!0),n?n.appendChild(this.domElement):t&&(this.domElement.classList.add(`lil-auto-place`,`autoPlace`),document.body.appendChild(this.domElement)),r&&this.domElement.style.setProperty(`--width`,r+`px`),this._closeFolders=a}add(e,t,n,r,i){if(Object(n)===n)return new kl(this,e,t,n);let a=e[t];switch(typeof a){case`number`:return new Ol(this,e,t,n,r,i);case`boolean`:return new bl(this,e,t);case`string`:return new Al(this,e,t);case`function`:return new Dl(this,e,t)}console.error(`gui.add failed
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-	value:`,a)}addColor(e,t,n=1){return new El(this,e,t,n)}addFolder(t){let n=new e({parent:this,title:t});return this.root._closeFolders&&n.close(),n}load(e,t=!0){return e.controllers&&this.controllers.forEach(t=>{t instanceof Dl||t._name in e.controllers&&t.load(e.controllers[t._name])}),t&&e.folders&&this.folders.forEach(t=>{t._title in e.folders&&t.load(e.folders[t._title])}),this}save(e=!0){let t={controllers:{},folders:{}};return this.controllers.forEach(e=>{if(!(e instanceof Dl)){if(e._name in t.controllers)throw Error(`Cannot save GUI with duplicate property "${e._name}"`);t.controllers[e._name]=e.save()}}),e&&this.folders.forEach(e=>{if(e._title in t.folders)throw Error(`Cannot save GUI with duplicate folder "${e._title}"`);t.folders[e._title]=e.save()}),t}open(e=!0){return this._setClosed(!e),this.$title.setAttribute(`aria-expanded`,!this._closed),this.domElement.classList.toggle(`lil-closed`,this._closed),this}close(){return this.open(!1)}_setClosed(e){this._closed!==e&&(this._closed=e,this._callOnOpenClose(this))}show(e=!0){return this._hidden=!e,this.domElement.style.display=this._hidden?`none`:``,this}hide(){return this.show(!1)}openAnimated(e=!0){return this._setClosed(!e),this.$title.setAttribute(`aria-expanded`,!this._closed),requestAnimationFrame(()=>{let t=this.$children.clientHeight;this.$children.style.height=t+`px`,this.domElement.classList.add(`lil-transition`);let n=e=>{e.target===this.$children&&(this.$children.style.height=``,this.domElement.classList.remove(`lil-transition`),this.$children.removeEventListener(`transitionend`,n))};this.$children.addEventListener(`transitionend`,n);let r=e?this.$children.scrollHeight:0;this.domElement.classList.toggle(`lil-closed`,!e),requestAnimationFrame(()=>{this.$children.style.height=r+`px`})}),this}title(e){return this._title=e,this.$title.textContent=e,this}reset(e=!0){return(e?this.controllersRecursive():this.controllers).forEach(e=>e.reset()),this}onChange(e){return this._onChange=e,this}_callOnChange(e){this.parent&&this.parent._callOnChange(e),this._onChange!==void 0&&this._onChange.call(this,{object:e.object,property:e.property,value:e.getValue(),controller:e})}onFinishChange(e){return this._onFinishChange=e,this}_callOnFinishChange(e){this.parent&&this.parent._callOnFinishChange(e),this._onFinishChange!==void 0&&this._onFinishChange.call(this,{object:e.object,property:e.property,value:e.getValue(),controller:e})}onOpenClose(e){return this._onOpenClose=e,this}_callOnOpenClose(e){this.parent&&this.parent._callOnOpenClose(e),this._onOpenClose!==void 0&&this._onOpenClose.call(this,e)}destroy(){this.parent&&(this.parent.children.splice(this.parent.children.indexOf(this),1),this.parent.folders.splice(this.parent.folders.indexOf(this),1)),this.domElement.parentElement&&this.domElement.parentElement.removeChild(this.domElement),Array.from(this.children).forEach(e=>e.destroy())}controllersRecursive(){let e=Array.from(this.controllers);return this.folders.forEach(t=>{e=e.concat(t.controllersRecursive())}),e}foldersRecursive(){let e=Array.from(this.folders);return this.folders.forEach(t=>{e=e.concat(t.foldersRecursive())}),e}},Fl=class e{grid;size;constructor(e,t=-1){this.size=e,this.grid=new Uint8Array(e*e);for(let n=0;n<e;n++)for(let r=0;r<e;r++){let i=0;n<t||r<t||e-n<=t||e-r<=t||(i=Math.floor(Math.random()*256)),this.grid[e*n+r]=i}}get(e,t){let n=e*this.size+t;if(!(n>=this.grid.length))return this.grid[n]}static productOf(t,n,r){let i=Math.floor((n.size-t.size)/r)+1,a=new Float32Array(i*i);for(let e=0;e<i;e++)for(let o=0;o<i;o++)for(let s=0;s<t.size;s++)for(let c=0;c<t.size;c++)a[i*e+o]+=t.get(s,c)*n.get(s+r*e,c+r*o)/255/255;let o=0;for(let e=0;e<i*i;e++)o=Math.max(a[e],o);let s=new e(i);for(let e=0;e<i*i;e++)s.grid[e]=Math.floor(a[e]*255/o);return s}},Il=new qn,Ll=new K,Rl=class extends ta{constructor(){super(),this.isLineSegmentsGeometry=!0,this.type=`LineSegmentsGeometry`,this.setIndex([0,2,1,2,3,1,2,4,3,4,5,3,4,6,5,6,7,5]),this.setAttribute(`position`,new mr([-1,2,0,1,2,0,-1,1,0,1,1,0,-1,0,0,1,0,0,-1,-1,0,1,-1,0],3)),this.setAttribute(`uv`,new mr([-1,2,1,2,-1,1,1,1,-1,-1,1,-1,-1,-2,1,-2],2))}applyMatrix4(e){let t=this.attributes.instanceStart,n=this.attributes.instanceEnd;return t!==void 0&&(t.applyMatrix4(e),n.applyMatrix4(e),t.needsUpdate=!0),this.boundingBox!==null&&this.computeBoundingBox(),this.boundingSphere!==null&&this.computeBoundingSphere(),this}setPositions(e){let t;e instanceof Float32Array?t=e:Array.isArray(e)&&(t=new Float32Array(e));let n=new va(t,6,1);return this.setAttribute(`instanceStart`,new kr(n,3,0)),this.setAttribute(`instanceEnd`,new kr(n,3,3)),this.instanceCount=this.attributes.instanceStart.count,this.computeBoundingBox(),this.computeBoundingSphere(),this}setColors(e){let t;e instanceof Float32Array?t=e:Array.isArray(e)&&(t=new Float32Array(e));let n=new va(t,6,1);return this.setAttribute(`instanceColorStart`,new kr(n,3,0)),this.setAttribute(`instanceColorEnd`,new kr(n,3,3)),this}fromWireframeGeometry(e){return this.setPositions(e.attributes.position.array),this}fromEdgesGeometry(e){return this.setPositions(e.attributes.position.array),this}fromMesh(e){return this.fromWireframeGeometry(new gi(e.geometry)),this}fromLineSegments(e){let t=e.geometry;return this.setPositions(t.attributes.position.array),this}computeBoundingBox(){this.boundingBox===null&&(this.boundingBox=new qn);let e=this.attributes.instanceStart,t=this.attributes.instanceEnd;e!==void 0&&t!==void 0&&(this.boundingBox.setFromBufferAttribute(e),Il.setFromBufferAttribute(t),this.boundingBox.union(Il))}computeBoundingSphere(){this.boundingSphere===null&&(this.boundingSphere=new vr),this.boundingBox===null&&this.computeBoundingBox();let e=this.attributes.instanceStart,t=this.attributes.instanceEnd;if(e!==void 0&&t!==void 0){let n=this.boundingSphere.center;this.boundingBox.getCenter(n);let r=0;for(let i=0,a=e.count;i<a;i++)Ll.fromBufferAttribute(e,i),r=Math.max(r,n.distanceToSquared(Ll)),Ll.fromBufferAttribute(t,i),r=Math.max(r,n.distanceToSquared(Ll));this.boundingSphere.radius=Math.sqrt(r),isNaN(this.boundingSphere.radius)&&console.error(`THREE.LineSegmentsGeometry.computeBoundingSphere(): Computed radius is NaN. The instanced position data is likely to have NaN values.`,this)}}toJSON(){}},zl=new Wt,Bl=new K,Vl=new K,Hl=new Wt,Ul=new Wt,Wl=new Wt,Gl=new K,Kl=new Yt,ql=new Da,Jl=new K,Yl=new qn,Xl=new vr,Zl=new Wt,Ql,$l;function eu(e,t,n){return Zl.set(0,0,-t,1).applyMatrix4(e.projectionMatrix),Zl.multiplyScalar(1/Zl.w),Zl.x=$l/n.width,Zl.y=$l/n.height,Zl.applyMatrix4(e.projectionMatrixInverse),Zl.multiplyScalar(1/Zl.w),Math.abs(Math.max(Zl.x,Zl.y))}function tu(e,t){let n=e.matrixWorld,r=e.geometry,i=r.attributes.instanceStart,a=r.attributes.instanceEnd,o=Math.min(r.instanceCount,i.count);for(let r=0,s=o;r<s;r++){ql.start.fromBufferAttribute(i,r),ql.end.fromBufferAttribute(a,r),ql.applyMatrix4(n);let o=new K,s=new K;Ql.distanceSqToSegment(ql.start,ql.end,s,o),s.distanceTo(o)<$l*.5&&t.push({point:s,pointOnLine:o,distance:Ql.origin.distanceTo(s),object:e,face:null,faceIndex:r,uv:null,uv1:null})}}function nu(e,t,n){let r=t.projectionMatrix,i=e.material.resolution,a=e.matrixWorld,o=e.geometry,s=o.attributes.instanceStart,c=o.attributes.instanceEnd,l=Math.min(o.instanceCount,s.count),u=-t.near;Ql.at(1,Wl),Wl.w=1,Wl.applyMatrix4(t.matrixWorldInverse),Wl.applyMatrix4(r),Wl.multiplyScalar(1/Wl.w),Wl.x*=i.x/2,Wl.y*=i.y/2,Wl.z=0,Gl.copy(Wl),Kl.multiplyMatrices(t.matrixWorldInverse,a);for(let t=0,o=l;t<o;t++){if(Hl.fromBufferAttribute(s,t),Ul.fromBufferAttribute(c,t),Hl.w=1,Ul.w=1,Hl.applyMatrix4(Kl),Ul.applyMatrix4(Kl),Hl.z>u&&Ul.z>u)continue;if(Hl.z>u){let e=Hl.z-Ul.z,t=(Hl.z-u)/e;Hl.lerp(Ul,t)}else if(Ul.z>u){let e=Ul.z-Hl.z,t=(Ul.z-u)/e;Ul.lerp(Hl,t)}Hl.applyMatrix4(r),Ul.applyMatrix4(r),Hl.multiplyScalar(1/Hl.w),Ul.multiplyScalar(1/Ul.w),Hl.x*=i.x/2,Hl.y*=i.y/2,Ul.x*=i.x/2,Ul.y*=i.y/2,ql.start.copy(Hl),ql.start.z=0,ql.end.copy(Ul),ql.end.z=0;let o=ql.closestPointToPointParameter(Gl,!0);ql.at(o,Jl);let l=Et.lerp(Hl.z,Ul.z,o),d=l>=-1&&l<=1,f=Gl.distanceTo(Jl)<$l*.5;if(d&&f){ql.start.fromBufferAttribute(s,t),ql.end.fromBufferAttribute(c,t),ql.start.applyMatrix4(a),ql.end.applyMatrix4(a);let r=new K,i=new K;Ql.distanceSqToSegment(ql.start,ql.end,i,r),n.push({point:i,pointOnLine:r,distance:Ql.origin.distanceTo(i),object:e,face:null,faceIndex:t,uv:null,uv1:null})}}}var ru=class extends Qr{constructor(e=new Rl,t=new Jc({color:Math.random()*16777215})){super(e,t),this.isLineSegments2=!0,this.type=`LineSegments2`}computeLineDistances(){let e=this.geometry,t=e.attributes.instanceStart,n=e.attributes.instanceEnd,r=new Float32Array(2*t.count);for(let e=0,i=0,a=t.count;e<a;e++,i+=2)Bl.fromBufferAttribute(t,e),Vl.fromBufferAttribute(n,e),r[i]=i===0?0:r[i-1],r[i+1]=r[i]+Bl.distanceTo(Vl);let i=new va(r,2,1);return e.setAttribute(`instanceDistanceStart`,new kr(i,1,0)),e.setAttribute(`instanceDistanceEnd`,new kr(i,1,1)),this}raycast(e,t){let n=this.material.worldUnits,r=e.camera;r===null&&!n&&console.error(`LineSegments2: "Raycaster.camera" needs to be set in order to raycast against LineSegments2 while worldUnits is set to false.`);let i=e.params.Line2===void 0?0:e.params.Line2.threshold||0;Ql=e.ray;let a=this.matrixWorld,o=this.geometry,s=this.material;$l=s.linewidth+i,o.boundingSphere===null&&o.computeBoundingSphere(),Xl.copy(o.boundingSphere).applyMatrix4(a);let c;if(c=n?$l*.5:eu(r,Math.max(r.near,Xl.distanceToPoint(Ql.origin)),s.resolution),Xl.radius+=c,Ql.intersectsSphere(Xl)===!1)return;o.boundingBox===null&&o.computeBoundingBox(),Yl.copy(o.boundingBox).applyMatrix4(a);let l;l=n?$l*.5:eu(r,Math.max(r.near,Yl.distanceToPoint(Ql.origin)),s.resolution),Yl.expandByScalar(l),Ql.intersectsBox(Yl)!==!1&&(n?tu(this,t):nu(this,r,t))}onBeforeRender(e){let t=this.material.uniforms;t&&t.resolution&&(e.getViewport(zl),this.material.uniforms.resolution.value.set(zl.z,zl.w))}},iu=class{grid;group;planes;constructor(e,t,n=void 0){this.grid=e;let r=new wn,i=new Rl,a=[];for(let t=0;t<=e.size;t++)n===void 0||t<=n||e.size-t<=n?a.push(t,0,0,t,0,e.size,0,0,t,e.size,0,t):a.push(t,0,0,t,0,n,t,0,e.size-n,t,0,e.size,0,0,t,n,0,t,e.size-n,0,t,e.size,0,t);let o=[];for(let n=0;n<e.size;n++)for(let i=0;i<e.size;i++){let a=e.get(n,i);if(a===void 0)continue;let s=new Qr(new hi(1,1),new Br({color:t.color,transparent:!0,opacity:0,userData:{intendedOpacity:.4+.6*a/255},depthWrite:!1}));s.position.set(n+.5,0,i+.5),s.rotateX(-Math.PI/2),r.add(s),o.push(s)}i.setPositions(a);let s=new ru(i,t);s.computeLineDistances(),r.add(s),this.group=r,this.planes=o}},au=class{grid;group;planes;constructor(e,t){this.grid=e;let n=new wn,r=[];for(let i=0;i<e.size;i++)for(let a=0;a<e.size;a++){let o=e.get(i,a),s=new Qr(new hi(1,1),new Br({color:t.color,transparent:!0,opacity:0,userData:{intendedOpacity:.4+.6*o/255},depthWrite:!1}));s.position.set(i+.5,0,a+.5),s.rotateX(-Math.PI/2),n.add(s),r.push(s)}this.group=n,this.planes=r}},ou=new Mn,su=new $i(75,window.innerWidth/window.innerHeight,.1,1e3),cu=new qc({antialias:!0});cu.setSize(window.innerWidth,window.innerHeight);var lu=document.querySelector(`#stage`).offsetWidth;Math.round(9/16*lu),document.querySelector(`#stage`).appendChild(cu.domElement);var uu=new al(su,cu.domElement),Q={gridSize:8,kernelSize:3,padding:1,stride:2};su.position.set(-Q.gridSize*.24,Q.gridSize*1.2,Q.gridSize*1.4),uu.target=new K(Q.gridSize/2,0,Q.gridSize/2),uu.autoRotate=!0,uu.autoRotateSpeed=1,uu.update();var du=new Y().setHex(2730954),fu=new Y().setHex(6082739),pu=new Y().setHex(10932108);function mu(){let e=new iu(new Fl(Q.gridSize,Q.padding),new Jc({linewidth:2,color:16777215,dashed:!0,dashSize:.2,gapSize:.1}),Q.padding),t=new iu(new Fl(Q.kernelSize),new Jc({linewidth:4,color:du})),n=(Q.gridSize-Q.kernelSize+2*Q.padding)/Q.stride+1,r=new au(Fl.productOf(t.grid,e.grid,Q.stride),new Jc({linewidth:4,color:pu})),i=(Q.gridSize+2*Q.padding-n)/2;return t.group.translateY(1),r.group.translateY(3).translateX(i).translateZ(i),{image:e,kernel:t,output:r,kernelTarget:new G(0,0)}}var $=mu();ou.add($.image.group,$.kernel.group,$.output.group);var hu=new Pl,gu;hu.add(Q,`gridSize`,1,20,1).onFinishChange(function(){gu.max(Q.gridSize),Q.kernelSize=Math.min(Q.kernelSize,Q.gridSize),gu.updateDisplay(),$=mu(),ou.clear(),ou.add($.image.group,$.kernel.group,$.output.group),wu.phase=wu.reveal}),gu=hu.add(Q,`kernelSize`,1,8,1).onFinishChange(function(){$=mu(),ou.clear(),ou.add($.image.group,$.kernel.group,$.output.group),wu.phase=wu.reveal}),hu.add(Q,`stride`,1,4,1).onFinishChange(function(){$=mu(),ou.clear(),ou.add($.image.group,$.kernel.group,$.output.group),wu.phase=wu.reveal}),hu.add(Q,`padding`,0,4,1).onFinishChange(function(){$=mu(),ou.clear(),ou.add($.image.group,$.kernel.group,$.output.group),wu.phase=wu.reveal});var _u=.05;function vu(e,t,n=.001){return Math.abs(e-t)<=n}function yu(){let e=$.kernel.group.position,t=$.kernelTarget;e.x=vl(e.x,t.x,_u),e.z=vl(e.z,t.y,_u);let n=vu(t.x,e.x),r=vu(t.y,e.z);return n&&r}function bu(e){let t=e.grid.size/16,n=!0;for(let r of e.planes){let e=r.material;n=vu(e.userData.intendedOpacity,e.opacity),n||(e.opacity=vl(e.opacity,e.userData.intendedOpacity,t),t*=.7)}return n}function xu(e){let t=1/32*Q.kernelSize;for(let n=0;n<$.kernel.grid.size;n++)for(let r=0;r<$.kernel.grid.size;r++){let i=$.kernel.planes[n*$.kernel.grid.size+r],a=$.image.planes[(n+e.x)*$.image.grid.size+r+e.y],o=$.kernel.grid.get(n,r),s=$.image.grid.get(n+e.x,r+e.y),c={kernel:!0,image:!0};{let e=i.position,n=i.material;e.y=vl(e.y,1,t),n.opacity=vl(n.opacity,o/255*s/255*.6+.4,t),n.color=n.color.clone().lerp(fu,t),c.kernel=vu(1,e.y)}{let e=a.position,n=a.material;e.y=vl(e.y,1.99,t),n.opacity=vl(n.opacity,0,t),c.image=vu(1.99,e.y)}if(!(c.image&&c.kernel))return!1}return!0}function Su(e){for(let t=0;t<$.kernel.grid.size;t++)for(let n=0;n<$.kernel.grid.size;n++){let r=$.kernel.planes[t*$.kernel.grid.size+n],i=$.image.planes[(t+e.x)*$.image.grid.size+n+e.y];r.position.copy(r.userData.originalPosition),i.position.y=0;let a=r.material;a.color=du,a.opacity=0}return!0}function Cu(){let e=1/32*Q.kernelSize,t=!0,n=new K,r=$.output.planes[$.kernelTarget.x/Q.stride*$.output.grid.size+$.kernelTarget.y/Q.stride];console.log($.kernelTarget);let i=r.material;r.getWorldPosition(n);let a=$.kernel.group.worldToLocal(n);for(let n=0;n<$.kernel.planes.length;n++){let r=$.kernel.planes[n];r.position.lerp(a,e);let o=r.material;n==Math.floor($.kernel.planes.length/2)?(o.color=o.color.clone().lerp(pu,e),o.opacity=vl(o.opacity,i.userData.intendedOpacity,e),vu(r.position.y,a.y)||(t=!1)):(o.opacity=vl(o.opacity,0,e),vu(o.opacity,0)||(t=!1))}return t&&(i.opacity=i.userData.intendedOpacity),t}var wu=new class{phase;constructor(){this.phase=this.reveal}reveal(){let e=bu($.image),t=bu($.kernel);if(e&&t){for(let e of $.kernel.planes)e.userData={originalPosition:e.position.clone()};this.phase=this.convolve}}convolve(){xu($.kernelTarget)&&(this.phase=this.addDotProduct)}addDotProduct(){Cu()&&(this.phase=this.regenerate)}regenerate(){Su($.kernelTarget)&&(this.phase=this.revealUnmerged)}revealUnmerged(){let e=bu($.image),t=bu($.kernel);e&&t&&(this.phase=this.strideBegin)}strideBegin(){let e=$.kernelTarget;e.x+=Q.stride,e.x>Q.gridSize-Q.kernelSize&&(e.x=0,e.y+=Q.stride,e.y>Q.gridSize-Q.kernelSize&&(e.y=0)),this.phase=this.stride}stride(){yu()&&(this.phase=this.convolve)}step(e){uu.update(),this.phase(),cu.render(ou,su)}};cu.setAnimationLoop(wu.step.bind(wu));
+	value:`,a)}addColor(e,t,n=1){return new El(this,e,t,n)}addFolder(t){let n=new e({parent:this,title:t});return this.root._closeFolders&&n.close(),n}load(e,t=!0){return e.controllers&&this.controllers.forEach(t=>{t instanceof Dl||t._name in e.controllers&&t.load(e.controllers[t._name])}),t&&e.folders&&this.folders.forEach(t=>{t._title in e.folders&&t.load(e.folders[t._title])}),this}save(e=!0){let t={controllers:{},folders:{}};return this.controllers.forEach(e=>{if(!(e instanceof Dl)){if(e._name in t.controllers)throw Error(`Cannot save GUI with duplicate property "${e._name}"`);t.controllers[e._name]=e.save()}}),e&&this.folders.forEach(e=>{if(e._title in t.folders)throw Error(`Cannot save GUI with duplicate folder "${e._title}"`);t.folders[e._title]=e.save()}),t}open(e=!0){return this._setClosed(!e),this.$title.setAttribute(`aria-expanded`,!this._closed),this.domElement.classList.toggle(`lil-closed`,this._closed),this}close(){return this.open(!1)}_setClosed(e){this._closed!==e&&(this._closed=e,this._callOnOpenClose(this))}show(e=!0){return this._hidden=!e,this.domElement.style.display=this._hidden?`none`:``,this}hide(){return this.show(!1)}openAnimated(e=!0){return this._setClosed(!e),this.$title.setAttribute(`aria-expanded`,!this._closed),requestAnimationFrame(()=>{let t=this.$children.clientHeight;this.$children.style.height=t+`px`,this.domElement.classList.add(`lil-transition`);let n=e=>{e.target===this.$children&&(this.$children.style.height=``,this.domElement.classList.remove(`lil-transition`),this.$children.removeEventListener(`transitionend`,n))};this.$children.addEventListener(`transitionend`,n);let r=e?this.$children.scrollHeight:0;this.domElement.classList.toggle(`lil-closed`,!e),requestAnimationFrame(()=>{this.$children.style.height=r+`px`})}),this}title(e){return this._title=e,this.$title.textContent=e,this}reset(e=!0){return(e?this.controllersRecursive():this.controllers).forEach(e=>e.reset()),this}onChange(e){return this._onChange=e,this}_callOnChange(e){this.parent&&this.parent._callOnChange(e),this._onChange!==void 0&&this._onChange.call(this,{object:e.object,property:e.property,value:e.getValue(),controller:e})}onFinishChange(e){return this._onFinishChange=e,this}_callOnFinishChange(e){this.parent&&this.parent._callOnFinishChange(e),this._onFinishChange!==void 0&&this._onFinishChange.call(this,{object:e.object,property:e.property,value:e.getValue(),controller:e})}onOpenClose(e){return this._onOpenClose=e,this}_callOnOpenClose(e){this.parent&&this.parent._callOnOpenClose(e),this._onOpenClose!==void 0&&this._onOpenClose.call(this,e)}destroy(){this.parent&&(this.parent.children.splice(this.parent.children.indexOf(this),1),this.parent.folders.splice(this.parent.folders.indexOf(this),1)),this.domElement.parentElement&&this.domElement.parentElement.removeChild(this.domElement),Array.from(this.children).forEach(e=>e.destroy())}controllersRecursive(){let e=Array.from(this.controllers);return this.folders.forEach(t=>{e=e.concat(t.controllersRecursive())}),e}foldersRecursive(){let e=Array.from(this.folders);return this.folders.forEach(t=>{e=e.concat(t.foldersRecursive())}),e}},Fl=class e{grid;size;constructor(e,t=-1){this.size=e,this.grid=new Uint8Array(e*e);for(let n=0;n<e;n++)for(let r=0;r<e;r++){let i=0;n<t||r<t||e-n<=t||e-r<=t||(i=Math.floor(Math.random()*256)),this.grid[e*n+r]=i}}get(e,t){let n=e*this.size+t;if(!(n>=this.grid.length))return this.grid[n]}static productOf(t,n,r){let i=Math.floor((n.size-t.size)/r)+1,a=new Float32Array(i*i);for(let e=0;e<i;e++)for(let o=0;o<i;o++)for(let s=0;s<t.size;s++)for(let c=0;c<t.size;c++)a[i*e+o]+=t.get(s,c)*n.get(s+r*e,c+r*o)/255/255;let o=0;for(let e=0;e<i*i;e++)o=Math.max(a[e],o);let s=new e(i);for(let e=0;e<i*i;e++)s.grid[e]=Math.floor(a[e]*255/o);return s}},Il=new qn,Ll=new K,Rl=class extends ta{constructor(){super(),this.isLineSegmentsGeometry=!0,this.type=`LineSegmentsGeometry`,this.setIndex([0,2,1,2,3,1,2,4,3,4,5,3,4,6,5,6,7,5]),this.setAttribute(`position`,new mr([-1,2,0,1,2,0,-1,1,0,1,1,0,-1,0,0,1,0,0,-1,-1,0,1,-1,0],3)),this.setAttribute(`uv`,new mr([-1,2,1,2,-1,1,1,1,-1,-1,1,-1,-1,-2,1,-2],2))}applyMatrix4(e){let t=this.attributes.instanceStart,n=this.attributes.instanceEnd;return t!==void 0&&(t.applyMatrix4(e),n.applyMatrix4(e),t.needsUpdate=!0),this.boundingBox!==null&&this.computeBoundingBox(),this.boundingSphere!==null&&this.computeBoundingSphere(),this}setPositions(e){let t;e instanceof Float32Array?t=e:Array.isArray(e)&&(t=new Float32Array(e));let n=new va(t,6,1);return this.setAttribute(`instanceStart`,new kr(n,3,0)),this.setAttribute(`instanceEnd`,new kr(n,3,3)),this.instanceCount=this.attributes.instanceStart.count,this.computeBoundingBox(),this.computeBoundingSphere(),this}setColors(e){let t;e instanceof Float32Array?t=e:Array.isArray(e)&&(t=new Float32Array(e));let n=new va(t,6,1);return this.setAttribute(`instanceColorStart`,new kr(n,3,0)),this.setAttribute(`instanceColorEnd`,new kr(n,3,3)),this}fromWireframeGeometry(e){return this.setPositions(e.attributes.position.array),this}fromEdgesGeometry(e){return this.setPositions(e.attributes.position.array),this}fromMesh(e){return this.fromWireframeGeometry(new gi(e.geometry)),this}fromLineSegments(e){let t=e.geometry;return this.setPositions(t.attributes.position.array),this}computeBoundingBox(){this.boundingBox===null&&(this.boundingBox=new qn);let e=this.attributes.instanceStart,t=this.attributes.instanceEnd;e!==void 0&&t!==void 0&&(this.boundingBox.setFromBufferAttribute(e),Il.setFromBufferAttribute(t),this.boundingBox.union(Il))}computeBoundingSphere(){this.boundingSphere===null&&(this.boundingSphere=new vr),this.boundingBox===null&&this.computeBoundingBox();let e=this.attributes.instanceStart,t=this.attributes.instanceEnd;if(e!==void 0&&t!==void 0){let n=this.boundingSphere.center;this.boundingBox.getCenter(n);let r=0;for(let i=0,a=e.count;i<a;i++)Ll.fromBufferAttribute(e,i),r=Math.max(r,n.distanceToSquared(Ll)),Ll.fromBufferAttribute(t,i),r=Math.max(r,n.distanceToSquared(Ll));this.boundingSphere.radius=Math.sqrt(r),isNaN(this.boundingSphere.radius)&&console.error(`THREE.LineSegmentsGeometry.computeBoundingSphere(): Computed radius is NaN. 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r=t.projectionMatrix,i=e.material.resolution,a=e.matrixWorld,o=e.geometry,s=o.attributes.instanceStart,c=o.attributes.instanceEnd,l=Math.min(o.instanceCount,s.count),u=-t.near;Ql.at(1,Wl),Wl.w=1,Wl.applyMatrix4(t.matrixWorldInverse),Wl.applyMatrix4(r),Wl.multiplyScalar(1/Wl.w),Wl.x*=i.x/2,Wl.y*=i.y/2,Wl.z=0,Gl.copy(Wl),Kl.multiplyMatrices(t.matrixWorldInverse,a);for(let t=0,o=l;t<o;t++){if(Hl.fromBufferAttribute(s,t),Ul.fromBufferAttribute(c,t),Hl.w=1,Ul.w=1,Hl.applyMatrix4(Kl),Ul.applyMatrix4(Kl),Hl.z>u&&Ul.z>u)continue;if(Hl.z>u){let e=Hl.z-Ul.z,t=(Hl.z-u)/e;Hl.lerp(Ul,t)}else if(Ul.z>u){let e=Ul.z-Hl.z,t=(Ul.z-u)/e;Ul.lerp(Hl,t)}Hl.applyMatrix4(r),Ul.applyMatrix4(r),Hl.multiplyScalar(1/Hl.w),Ul.multiplyScalar(1/Ul.w),Hl.x*=i.x/2,Hl.y*=i.y/2,Ul.x*=i.x/2,Ul.y*=i.y/2,ql.start.copy(Hl),ql.start.z=0,ql.end.copy(Ul),ql.end.z=0;let o=ql.closestPointToPointParameter(Gl,!0);ql.at(o,Jl);let l=Et.lerp(Hl.z,Ul.z,o),d=l>=-1&&l<=1,f=Gl.distanceTo(Jl)<$l*.5;if(d&&f){ql.start.fromBufferAttribute(s,t),ql.end.fromBufferAttribute(c,t),ql.start.applyMatrix4(a),ql.end.applyMatrix4(a);let r=new K,i=new K;Ql.distanceSqToSegment(ql.start,ql.end,i,r),n.push({point:i,pointOnLine:r,distance:Ql.origin.distanceTo(i),object:e,face:null,faceIndex:t,uv:null,uv1:null})}}}var ru=class extends Qr{constructor(e=new Rl,t=new Jc({color:Math.random()*16777215})){super(e,t),this.isLineSegments2=!0,this.type=`LineSegments2`}computeLineDistances(){let e=this.geometry,t=e.attributes.instanceStart,n=e.attributes.instanceEnd,r=new Float32Array(2*t.count);for(let e=0,i=0,a=t.count;e<a;e++,i+=2)Bl.fromBufferAttribute(t,e),Vl.fromBufferAttribute(n,e),r[i]=i===0?0:r[i-1],r[i+1]=r[i]+Bl.distanceTo(Vl);let i=new va(r,2,1);return e.setAttribute(`instanceDistanceStart`,new kr(i,1,0)),e.setAttribute(`instanceDistanceEnd`,new kr(i,1,1)),this}raycast(e,t){let n=this.material.worldUnits,r=e.camera;r===null&&!n&&console.error(`LineSegments2: "Raycaster.camera" needs to be set in order to raycast against LineSegments2 while worldUnits is set to false.`);let i=e.params.Line2===void 0?0:e.params.Line2.threshold||0;Ql=e.ray;let a=this.matrixWorld,o=this.geometry,s=this.material;$l=s.linewidth+i,o.boundingSphere===null&&o.computeBoundingSphere(),Xl.copy(o.boundingSphere).applyMatrix4(a);let c;if(c=n?$l*.5:eu(r,Math.max(r.near,Xl.distanceToPoint(Ql.origin)),s.resolution),Xl.radius+=c,Ql.intersectsSphere(Xl)===!1)return;o.boundingBox===null&&o.computeBoundingBox(),Yl.copy(o.boundingBox).applyMatrix4(a);let l;l=n?$l*.5:eu(r,Math.max(r.near,Yl.distanceToPoint(Ql.origin)),s.resolution),Yl.expandByScalar(l),Ql.intersectsBox(Yl)!==!1&&(n?tu(this,t):nu(this,r,t))}onBeforeRender(e){let t=this.material.uniforms;t&&t.resolution&&(e.getViewport(zl),this.material.uniforms.resolution.value.set(zl.z,zl.w))}},iu=class{grid;group;planes;constructor(e,t,n=void 0){this.grid=e;let r=new wn,i=new Rl,a=[];for(let t=0;t<=e.size;t++)n===void 0||t<=n||e.size-t<=n?a.push(t,0,0,t,0,e.size,0,0,t,e.size,0,t):a.push(t,0,0,t,0,n,t,0,e.size-n,t,0,e.size,0,0,t,n,0,t,e.size-n,0,t,e.size,0,t);let o=[];for(let n=0;n<e.size;n++)for(let i=0;i<e.size;i++){let a=e.get(n,i);if(a===void 0)continue;let s=new Qr(new hi(1,1),new Br({color:t.color,transparent:!0,opacity:0,userData:{intendedOpacity:.4+.6*a/255},depthWrite:!1}));s.position.set(n+.5,0,i+.5),s.rotateX(-Math.PI/2),r.add(s),o.push(s)}i.setPositions(a);let s=new ru(i,t);s.computeLineDistances(),r.add(s),this.group=r,this.planes=o}},au=class{grid;group;planes;constructor(e,t){this.grid=e;let n=new wn,r=[];for(let i=0;i<e.size;i++)for(let a=0;a<e.size;a++){let o=e.get(i,a),s=new Qr(new hi(1,1),new Br({color:t.color,transparent:!0,opacity:0,userData:{intendedOpacity:.4+.6*o/255},depthWrite:!1}));s.position.set(i+.5,0,a+.5),s.rotateX(-Math.PI/2),n.add(s),r.push(s)}this.group=n,this.planes=r}},ou=document.querySelector(`#stage`).offsetWidth,su=Math.round(9/16*ou),cu=new Mn,lu=new $i(75,ou/su,.1,1e3),uu=new qc({antialias:!0});uu.setSize(ou,su),document.querySelector(`#stage`).appendChild(uu.domElement);var du=new al(lu,uu.domElement),Q={gridSize:8,kernelSize:3,padding:1,stride:2};lu.position.set(-Q.gridSize*.24,Q.gridSize*1.2,Q.gridSize*1.4),du.target=new K(Q.gridSize/2,0,Q.gridSize/2),du.autoRotate=!0,du.autoRotateSpeed=1,du.update();var fu=new Y().setHex(2730954),pu=new Y().setHex(6082739),mu=new Y().setHex(10932108);function hu(){let e=new iu(new Fl(Q.gridSize+2*Q.padding,Q.padding),new Jc({linewidth:2,color:16777215,dashed:!0,dashSize:.2,gapSize:.1}),Q.padding),t=new iu(new Fl(Q.kernelSize),new Jc({linewidth:4,color:fu})),n=(Q.gridSize-Q.kernelSize+2*Q.padding)/Q.stride+1,r=new au(Fl.productOf(t.grid,e.grid,Q.stride),new Jc({linewidth:4,color:mu})),i=(Q.gridSize+2*Q.padding-n)/2;return t.group.translateY(1),r.group.translateY(3).translateX(i).translateZ(i),{image:e,kernel:t,output:r,kernelTarget:new G(0,0)}}var $=hu();cu.add($.image.group,$.kernel.group,$.output.group);var gu=new Pl,_u;gu.add(Q,`gridSize`,1,20,1).onFinishChange(function(){_u.max(Q.gridSize),Q.kernelSize=Math.min(Q.kernelSize,Q.gridSize),_u.updateDisplay(),$=hu(),cu.clear(),cu.add($.image.group,$.kernel.group,$.output.group),Tu.phase=Tu.reveal}),_u=gu.add(Q,`kernelSize`,1,8,1).onFinishChange(function(){$=hu(),cu.clear(),cu.add($.image.group,$.kernel.group,$.output.group),Tu.phase=Tu.reveal}),gu.add(Q,`stride`,1,4,1).onFinishChange(function(){$=hu(),cu.clear(),cu.add($.image.group,$.kernel.group,$.output.group),Tu.phase=Tu.reveal}),gu.add(Q,`padding`,0,4,1).onFinishChange(function(){$=hu(),cu.clear(),cu.add($.image.group,$.kernel.group,$.output.group),Tu.phase=Tu.reveal});var vu=.05;function yu(e,t,n=.001){return Math.abs(e-t)<=n}function bu(){let e=$.kernel.group.position,t=$.kernelTarget;e.x=vl(e.x,t.x,vu),e.z=vl(e.z,t.y,vu);let n=yu(t.x,e.x),r=yu(t.y,e.z);return n&&r}function xu(e){let t=e.grid.size/16,n=!0;for(let r of e.planes){let e=r.material;n=yu(e.userData.intendedOpacity,e.opacity),n||(e.opacity=vl(e.opacity,e.userData.intendedOpacity,t),t*=.7)}return n}function Su(e){let t=1/32*Q.kernelSize;for(let n=0;n<$.kernel.grid.size;n++)for(let r=0;r<$.kernel.grid.size;r++){let i=$.kernel.planes[n*$.kernel.grid.size+r],a=$.image.planes[(n+e.x)*$.image.grid.size+r+e.y],o=$.kernel.grid.get(n,r),s=$.image.grid.get(n+e.x,r+e.y),c={kernel:!0,image:!0};{let e=i.position,n=i.material;e.y=vl(e.y,1,t),n.opacity=vl(n.opacity,o/255*s/255*.6+.4,t),n.color=n.color.clone().lerp(pu,t),c.kernel=yu(1,e.y)}{let e=a.position,n=a.material;e.y=vl(e.y,1.99,t),n.opacity=vl(n.opacity,0,t),c.image=yu(1.99,e.y)}if(!(c.image&&c.kernel))return!1}return!0}function Cu(e){for(let t=0;t<$.kernel.grid.size;t++)for(let n=0;n<$.kernel.grid.size;n++){let r=$.kernel.planes[t*$.kernel.grid.size+n],i=$.image.planes[(t+e.x)*$.image.grid.size+n+e.y];r.position.copy(r.userData.originalPosition),i.position.y=0;let a=r.material;a.color=fu,a.opacity=0}return!0}function wu(){let e=1/32*Q.kernelSize,t=!0,n=new K,r=$.output.planes[$.kernelTarget.x/Q.stride*$.output.grid.size+$.kernelTarget.y/Q.stride];console.log($.kernelTarget);let i=r.material;r.getWorldPosition(n);let a=$.kernel.group.worldToLocal(n);for(let n=0;n<$.kernel.planes.length;n++){let r=$.kernel.planes[n];r.position.lerp(a,e);let o=r.material;n==Math.floor($.kernel.planes.length/2)?(o.color=o.color.clone().lerp(mu,e),o.opacity=vl(o.opacity,i.userData.intendedOpacity,e),yu(r.position.y,a.y)||(t=!1)):(o.opacity=vl(o.opacity,0,e),yu(o.opacity,0)||(t=!1))}return t&&(i.opacity=i.userData.intendedOpacity),t}var Tu=new class{phase;constructor(){this.phase=this.reveal}reveal(){let e=xu($.image),t=xu($.kernel);if(e&&t){for(let e of $.kernel.planes)e.userData={originalPosition:e.position.clone()};this.phase=this.convolve}}convolve(){Su($.kernelTarget)&&(this.phase=this.addDotProduct)}addDotProduct(){wu()&&(this.phase=this.regenerate)}regenerate(){Cu($.kernelTarget)&&(this.phase=this.revealUnmerged)}revealUnmerged(){let e=xu($.image),t=xu($.kernel);e&&t&&(this.phase=this.strideBegin)}strideBegin(){let e=$.kernelTarget;e.x+=Q.stride,e.x>Q.gridSize-Q.kernelSize&&(e.x=0,e.y+=Q.stride,e.y>Q.gridSize-Q.kernelSize&&(e.y=0)),this.phase=this.stride}stride(){bu()&&(this.phase=this.convolve)}step(e){du.update(),this.phase(),uu.render(cu,lu)}};uu.setAnimationLoop(Tu.step.bind(Tu));
+
     </script>