naca-foil/dist/naca-foil.cjs.js

a library for generating naca foils

/*!
        * naca-foil v1.1.4
        * https://github.com/kanakawai-maui/naca-foil
        */
"use strict";Object.defineProperty(exports,Symbol.toStringTag,{value:"Module"});class t{static foilY(t,e,n,i=!0){return 5*n*e*(.2969*Math.sqrt(t/e)-t/e*.126-.3516*Math.pow(t/e,2)+.2843*Math.pow(t/e,3)-(i?.1036:.1015)*Math.pow(t/e,4))}static cross(t,e,n){return(e[0]-t[0])*(n[1]-t[1])-(e[1]-t[1])*(n[0]-t[0])}static camber(t,e,n,i){return t<=i*e?e*n/Math.pow(i,2)*(2*i*(t/e)-Math.pow(t/e,2)):e*n/Math.pow(1-i,2)*(1-2*i+2*i*(t/e)-Math.pow(t/e,2))}static theta(t,e,n,i){return t<=i*e?Math.atan(n/Math.pow(i,2)*(i-t/e)):Math.atan(n/Math.pow(1-i,2)*(i-t/e))}static camberY(e,n,i,r,a,s=!0){return s?t.camber(e,n,r,a)+t.foilY(e,n,i)*Math.cos(t.theta(e,n,r,a)):t.camber(e,n,r,a)-t.foilY(e,n,i)*Math.cos(t.theta(e,n,r,a))}static camberX(e,n,i,r,a,s=!0){return s?e-t.foilY(e,n,i)*Math.sin(t.theta(e,n,r,a)):e+t.foilY(e,n,i)*Math.sin(t.theta(e,n,r,a))}static convexHull(e){e.sort(((t,e)=>t[0]-e[0]));let n=[];for(let a=0;a<e.length;a++){for(;n.length>=2&&t.cross(n[n.length-2],n[n.length-1],e[a])<=0;)n.pop();n.push(e[a])}let i=[];for(let a=e.length-1;a>=0;a--){for(;i.length>=2&&t.cross(i[i.length-2],i[i.length-1],e[a])<=0;)i.pop();i.push(e[a])}let r=[];for(let t=0;t<e.length-1;t++){let[n,i]=e[t],[a,s]=e[t+1],o=.01;for(let t=o;t<1;t+=o){let e=n+t*(a-n),o=i+t*(s-i);r.push([e,o])}}for(let t=0;t<e.length;t++){let r=e[t][0],a=e[t][1],s=e[t][0],o=e[t][1];n.push([r,a]),i.push([s,o])}return i.pop(),n.pop(),n.concat(i).concat(r)}}class e{points=[];upper=[];lower=[];leadingEdge=[];_constructor(e=100,n="0015",i=100,r=!0){let a=parseInt(n),s=a%100/100,o=Math.floor((a-a%100)/1e3)/100,l=(a-a%100)/100%10/10,c=e/i;for(let h=0;h<=e;h+=c)this.upper.push([t.camberX(h+0,e,s,o,l),t.camberY(h,e,s,o,l)]);for(let h=e;h>=0;h-=c)this.lower.push([t.camberX(h+0,e,s,o,l,!1),t.camberY(h,e,s,o,l,!1)]);for(let h=0;h<e;h+=c){let n=t.camberX(0+h,e,s,o,l),i=t.camberY(0+h,e,s,o,l),r=t.camberX(0+h,e,s,o,l,!1),a=t.camberY(0+h,e,s,o,l,!1);this.leadingEdge.push([n,i]),this.leadingEdge.push([r,a])}this.upper=this.upper.filter((t=>!isNaN(t[0])&&!isNaN(t[1]))).map((t=>[t[0],t[1]])),this.lower=this.lower.filter((t=>!isNaN(t[0])&&!isNaN(t[1]))).map((t=>[t[0],t[1]])),this.leadingEdge=this.leadingEdge.filter((t=>!isNaN(t[0])&&!isNaN(t[1]))).map((t=>[t[0],t[1]])),this.points=this.upper.concat(this.lower).concat(this.leadingEdge),this.points=this.points.filter((t=>!isNaN(t[0])&&!isNaN(t[1]))).map((t=>[t[0],t[1]])),r&&(this.points=t.convexHull(this.points)),this.points=this.points.filter((t=>!isNaN(t[0])&&!isNaN(t[1]))).map((t=>[t[0],t[1]]))}getUpper(t=1,e=(t,e)=>[t[0]*e,t[1]*e]){return this.upper.map((n=>e([n[0],n[1]],t)))}getLower(t=1,e=(t,e)=>[t[0]*e,t[1]*-e]){return this.upper.map((n=>e([n[0],n[1]],t)))}getLeadingEdge(t=1,e=(t,e)=>[t[0]*e,t[1]*-e]){return this.leadingEdge.map((n=>e([n[0],n[1]],t)))}getPoints(t=!1){return t?this.points.filter(((t,e)=>e%1e3==0)):this.points}}
/**
 * @license
 * Copyright 2010-2025 Three.js Authors
 * SPDX-License-Identifier: MIT
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t=this.elements,e=t[0],n=t[1],i=t[2],r=t[3],a=t[4],s=t[5],o=t[6],l=t[7],c=t[8],h=c*a-s*l,u=s*o-c*r,d=l*r-a*o,p=e*h+n*u+i*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const f=1/p;return t[0]=h*f,t[1]=(i*l-c*n)*f,t[2]=(s*n-i*a)*f,t[3]=u*f,t[4]=(c*e-i*o)*f,t[5]=(i*r-s*e)*f,t[6]=d*f,t[7]=(n*o-l*e)*f,t[8]=(a*e-n*r)*f,this}transpose(){let t;const e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,n,i,r,a,s){const o=Math.cos(r),l=Math.sin(r);return this.set(n*o,n*l,-n*(o*a+l*s)+a+t,-i*l,i*o,-i*(-l*a+o*s)+s+e,0,0,1),this}scale(t,e){return this.premultiply(Ee.makeScale(t,e)),this}rotate(t){return this.premultiply(Ee.makeRotation(-t)),this}translate(t,e){return this.premultiply(Ee.makeTranslation(t,e)),this}makeTranslation(t,e){return t.isVector2?this.set(1,0,t.x,0,1,t.y,0,0,1):this.set(1,0,t,0,1,e,0,0,1),this}makeRotation(t){const e=Math.cos(t),n=Math.sin(t);return this.set(e,-n,0,n,e,0,0,0,1),this}makeScale(t,e){return this.set(t,0,0,0,e,0,0,0,1),this}equals(t){const e=this.elements,n=t.elements;for(let i=0;i<9;i++)if(e[i]!==n[i])return!1;return!0}fromArray(t,e=0){for(let n=0;n<9;n++)this.elements[n]=t[n+e];return this}toArray(t=[],e=0){const n=this.elements;return t[e]=n[0],t[e+1]=n[1],t[e+2]=n[2],t[e+3]=n[3],t[e+4]=n[4],t[e+5]=n[5],t[e+6]=n[6],t[e+7]=n[7],t[e+8]=n[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}const Ee=new Se;function Te(t){for(let e=t.length-1;e>=0;--e)if(t[e]>=65535)return!0;return!1}function be(t){return document.createElementNS("http://www.w3.org/1999/xhtml",t)}function we(){const t=be("canvas");return t.style.display="block",t}const Ae={};function Re(t){t in Ae||(Ae[t]=!0,console.warn(t))}const Ce=(new Se).set(.4123908,.3575843,.1804808,.212639,.7151687,.0721923,.0193308,.1191948,.9505322),Pe=(new Se).set(3.2409699,-1.5373832,-.4986108,-.9692436,1.8759675,.0415551,.0556301,-.203977,1.0569715);function Le(){const t={enabled:!0,workingColorSpace:qt,spaces:{},convert:function(t,e,n){return!1!==this.enabled&&e!==n&&e&&n?(this.spaces[e].transfer===Kt&&(t.r=Ue(t.r),t.g=Ue(t.g),t.b=Ue(t.b)),this.spaces[e].primaries!==this.spaces[n].primaries&&(t.applyMatrix3(this.spaces[e].toXYZ),t.applyMatrix3(this.spaces[n].fromXYZ)),this.spaces[n].transfer===Kt&&(t.r=Ie(t.r),t.g=Ie(t.g),t.b=Ie(t.b)),t):t},fromWorkingColorSpace:function(t,e){return this.convert(t,this.workingColorSpace,e)},toWorkingColorSpace:function(t,e){return this.convert(t,e,this.workingColorSpace)},getPrimaries:function(t){return this.spaces[t].primaries},getTransfer:function(t){return t===jt?Zt:this.spaces[t].transfer},getLuminanceCoefficients:function(t,e=this.workingColorSpace){return t.fromArray(this.spaces[e].luminanceCoefficients)},define:function(t){Object.assign(this.spaces,t)},_getMatrix:function(t,e,n){return t.copy(this.spaces[e].toXYZ).multiply(this.spaces[n].fromXYZ)},_getDrawingBufferColorSpace:function(t){return this.spaces[t].outputColorSpaceConfig.drawingBufferColorSpace},_getUnpackColorSpace:function(t=this.workingColorSpace){return this.spaces[t].workingColorSpaceConfig.unpackColorSpace}},e=[.64,.33,.3,.6,.15,.06],n=[.2126,.7152,.0722],i=[.3127,.329];return t.define({[qt]:{primaries:e,whitePoint:i,transfer:Zt,toXYZ:Ce,fromXYZ:Pe,luminanceCoefficients:n,workingColorSpaceConfig:{unpackColorSpace:Yt},outputColorSpaceConfig:{drawingBufferColorSpace:Yt}},[Yt]:{primaries:e,whitePoint:i,transfer:Kt,toXYZ:Ce,fromXYZ:Pe,luminanceCoefficients:n,outputColorSpaceConfig:{drawingBufferColorSpace:Yt}}}),t}const De=Le();function Ue(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function Ie(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}let Ne;class Oe{static getDataURL(t,e="image/png"){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let n;if(t instanceof HTMLCanvasElement)n=t;else{void 0===Ne&&(Ne=be("canvas")),Ne.width=t.width,Ne.height=t.height;const e=Ne.getContext("2d");t instanceof ImageData?e.putImageData(t,0,0):e.drawImage(t,0,0,t.width,t.height),n=Ne}return n.toDataURL(e)}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=be("canvas");e.width=t.width,e.height=t.height;const n=e.getContext("2d");n.drawImage(t,0,0,t.width,t.height);const i=n.getImageData(0,0,t.width,t.height),r=i.data;for(let t=0;t<r.length;t++)r[t]=255*Ue(r[t]/255);return n.putImageData(i,0,0),e}if(t.data){const e=t.data.slice(0);for(let t=0;t<e.length;t++)e instanceof Uint8Array||e instanceof Uint8ClampedArray?e[t]=Math.floor(255*Ue(e[t]/255)):e[t]=Ue(e[t]);return{data:e,width:t.width,height:t.height}}return console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),t}}let Fe=0;class ze{constructor(t=null){this.isSource=!0,Object.defineProperty(this,"id",{value:Fe++}),this.uuid=fe(),this.data=t,this.dataReady=!0,this.version=0}set needsUpdate(t){!0===t&&this.version++}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.images[this.uuid])return t.images[this.uuid];const n={uuid:this.uuid,url:""},i=this.data;if(null!==i){let t;if(Array.isArray(i)){t=[];for(let e=0,n=i.length;e<n;e++)i[e].isDataTexture?t.push(Be(i[e].image)):t.push(Be(i[e]))}else t=Be(i);n.url=t}return e||(t.images[this.uuid]=n),n}}function Be(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap?Oe.getDataURL(t):t.data?{data:Array.from(t.data),width:t.width,height:t.height,type:t.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}let He=0;class Ve extends ce{constructor(t=Ve.DEFAULT_IMAGE,e=Ve.DEFAULT_MAPPING,n=1001,i=1001,r=1006,a=1008,s=1023,o=1009,l=Ve.DEFAULT_ANISOTROPY,c=""){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:He++}),this.uuid=fe(),this.name="",this.source=new ze(t),this.mipmaps=[],this.mapping=e,this.channel=0,this.wrapS=n,this.wrapT=i,this.magFilter=r,this.minFilter=a,this.anisotropy=l,this.format=s,this.internalFormat=null,this.type=o,this.offset=new ye(0,0),this.repeat=new ye(1,1),this.center=new ye(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Se,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.colorSpace=c,this.userData={},this.version=0,this.onUpdate=null,this.renderTarget=null,this.isRenderTargetTexture=!1,this.pmremVersion=0}get image(){return this.source.data}set image(t=null){this.source.data=t}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}clone(){return(new this.constructor).copy(this)}copy(t){return this.name=t.name,this.source=t.source,this.mipmaps=t.mipmaps.slice(0),this.mapping=t.mapping,this.channel=t.channel,this.wrapS=t.wrapS,this.wrapT=t.wrapT,this.magFilter=t.magFilter,this.minFilter=t.minFilter,this.anisotropy=t.anisotropy,this.format=t.format,this.internalFormat=t.internalFormat,this.type=t.type,this.offset.copy(t.offset),this.repeat.copy(t.repeat),this.center.copy(t.center),this.rotation=t.rotation,this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrix.copy(t.matrix),this.generateMipmaps=t.generateMipmaps,this.premultiplyAlpha=t.premultiplyAlpha,this.flipY=t.flipY,this.unpackAlignment=t.unpackAlignment,this.colorSpace=t.colorSpace,this.renderTarget=t.renderTarget,this.isRenderTargetTexture=t.isRenderTargetTexture,this.userData=JSON.parse(JSON.stringify(t.userData)),this.needsUpdate=!0,this}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.textures[this.uuid])return t.textures[this.uuid];const n={metadata:{version:4.6,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(t).uuid,mapping:this.mapping,channel:this.channel,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,internalFormat:this.internalFormat,type:this.type,colorSpace:this.colorSpace,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,generateMipmaps:this.generateMipmaps,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return Object.keys(this.userData).length>0&&(n.userData=this.userData),e||(t.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(300!==this.mapping)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case k:t.x=t.x-Math.floor(t.x);break;case G:t.x=t.x<0?0:1;break;case W:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case k:t.y=t.y-Math.floor(t.y);break;case G:t.y=t.y<0?0:1;break;case W:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(t){!0===t&&this.pmremVersion++}}Ve.DEFAULT_IMAGE=null,Ve.DEFAULT_MAPPING=300,Ve.DEFAULT_ANISOTROPY=1;class ke{constructor(t=0,e=0,n=0,i=1){ke.prototype.isVector4=!0,this.x=t,this.y=e,this.z=n,this.w=i}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,n,i){return this.x=t,this.y=e,this.z=n,this.w=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=this.w,a=t.elements;return this.x=a[0]*e+a[4]*n+a[8]*i+a[12]*r,this.y=a[1]*e+a[5]*n+a[9]*i+a[13]*r,this.z=a[2]*e+a[6]*n+a[10]*i+a[14]*r,this.w=a[3]*e+a[7]*n+a[11]*i+a[15]*r,this}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this.w/=t.w,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,n,i,r;const a=.01,s=.1,o=t.elements,l=o[0],c=o[4],h=o[8],u=o[1],d=o[5],p=o[9],f=o[2],m=o[6],g=o[10];if(Math.abs(c-u)<a&&Math.abs(h-f)<a&&Math.abs(p-m)<a){if(Math.abs(c+u)<s&&Math.abs(h+f)<s&&Math.abs(p+m)<s&&Math.abs(l+d+g-3)<s)return this.set(1,0,0,0),this;e=Math.PI;const t=(l+1)/2,o=(d+1)/2,_=(g+1)/2,v=(c+u)/4,x=(h+f)/4,M=(p+m)/4;return t>o&&t>_?t<a?(n=0,i=.707106781,r=.707106781):(n=Math.sqrt(t),i=v/n,r=x/n):o>_?o<a?(n=.707106781,i=0,r=.707106781):(i=Math.sqrt(o),n=v/i,r=M/i):_<a?(n=.707106781,i=.707106781,r=0):(r=Math.sqrt(_),n=x/r,i=M/r),this.set(n,i,r,e),this}let _=Math.sqrt((m-p)*(m-p)+(h-f)*(h-f)+(u-c)*(u-c));return Math.abs(_)<.001&&(_=1),this.x=(m-p)/_,this.y=(h-f)/_,this.z=(u-c)/_,this.w=Math.acos((l+d+g-1)/2),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this.w=e[15],this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this.w=Math.min(this.w,t.w),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this.w=Math.max(this.w,t.w),this}clamp(t,e){return this.x=me(this.x,t.x,e.x),this.y=me(this.y,t.y,e.y),this.z=me(this.z,t.z,e.z),this.w=me(this.w,t.w,e.w),this}clampScalar(t,e){return this.x=me(this.x,t,e),this.y=me(this.y,t,e),this.z=me(this.z,t,e),this.w=me(this.w,t,e),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(me(n,t,e))}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(t){return this.x*t.x+this.y*t.y+this.z*t.z+this.w*t.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(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this.w+=(t.w-this.w)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this.w=t.w+(e.w-t.w)*n,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z&&t.w===this.w}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this.w=t[e+3],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t[e+3]=this.w,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this.w=t.getW(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}class Ge extends ce{constructor(t=1,e=1,n={}){super(),this.isRenderTarget=!0,this.width=t,this.height=e,this.depth=1,this.scissor=new ke(0,0,t,e),this.scissorTest=!1,this.viewport=new ke(0,0,t,e);const i={width:t,height:e,depth:1};n=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:q,depthBuffer:!0,stencilBuffer:!1,resolveDepthBuffer:!0,resolveStencilBuffer:!0,depthTexture:null,samples:0,count:1},n);const r=new Ve(i,n.mapping,n.wrapS,n.wrapT,n.magFilter,n.minFilter,n.format,n.type,n.anisotropy,n.colorSpace);r.flipY=!1,r.generateMipmaps=n.generateMipmaps,r.internalFormat=n.internalFormat,this.textures=[];const a=n.count;for(let s=0;s<a;s++)this.textures[s]=r.clone(),this.textures[s].isRenderTargetTexture=!0,this.textures[s].renderTarget=this;this.depthBuffer=n.depthBuffer,this.stencilBuffer=n.stencilBuffer,this.resolveDepthBuffer=n.resolveDepthBuffer,this.resolveStencilBuffer=n.resolveStencilBuffer,this._depthTexture=n.depthTexture,this.samples=n.samples}get texture(){return this.textures[0]}set texture(t){this.textures[0]=t}set depthTexture(t){null!==this._depthTexture&&(this._depthTexture.renderTarget=null),null!==t&&(t.renderTarget=this),this._depthTexture=t}get depthTexture(){return this._depthTexture}setSize(t,e,n=1){if(this.width!==t||this.height!==e||this.depth!==n){this.width=t,this.height=e,this.depth=n;for(let i=0,r=this.textures.length;i<r;i++)this.textures[i].image.width=t,this.textures[i].image.height=e,this.textures[i].image.depth=n;this.dispose()}this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)}clone(){return(new this.constructor).copy(this)}copy(t){this.width=t.width,this.height=t.height,this.depth=t.depth,this.scissor.copy(t.scissor),this.scissorTest=t.scissorTest,this.viewport.copy(t.viewport),this.textures.length=0;for(let e=0,n=t.textures.length;e<n;e++){this.textures[e]=t.textures[e].clone(),this.textures[e].isRenderTargetTexture=!0,this.textures[e].renderTarget=this;const n=Object.assign({},t.textures[e].image);this.textures[e].source=new ze(n)}return this.depthBuffer=t.depthBuffer,this.stencilBuffer=t.stencilBuffer,this.resolveDepthBuffer=t.resolveDepthBuffer,this.resolveStencilBuffer=t.resolveStencilBuffer,null!==t.depthTexture&&(this.depthTexture=t.depthTexture.clone()),this.samples=t.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class We extends Ge{constructor(t=1,e=1,n={}){super(t,e,n),this.isWebGLRenderTarget=!0}}class Xe extends Ve{constructor(t=null,e=1,n=1,i=1){super(null),this.isDataArrayTexture=!0,this.image={data:t,width:e,height:n,depth:i},this.magFilter=X,this.minFilter=X,this.wrapR=G,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.layerUpdates=new Set}addLayerUpdate(t){this.layerUpdates.add(t)}clearLayerUpdates(){this.layerUpdates.clear()}}class je extends Ve{constructor(t=null,e=1,n=1,i=1){super(null),this.isData3DTexture=!0,this.image={data:t,width:e,height:n,depth:i},this.magFilter=X,this.minFilter=X,this.wrapR=G,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class Ye{constructor(t=0,e=0,n=0,i=1){this.isQuaternion=!0,this._x=t,this._y=e,this._z=n,this._w=i}static slerpFlat(t,e,n,i,r,a,s){let o=n[i+0],l=n[i+1],c=n[i+2],h=n[i+3];const u=r[a+0],d=r[a+1],p=r[a+2],f=r[a+3];if(0===s)return t[e+0]=o,t[e+1]=l,t[e+2]=c,void(t[e+3]=h);if(1===s)return t[e+0]=u,t[e+1]=d,t[e+2]=p,void(t[e+3]=f);if(h!==f||o!==u||l!==d||c!==p){let t=1-s;const e=o*u+l*d+c*p+h*f,n=e>=0?1:-1,i=1-e*e;if(i>Number.EPSILON){const r=Math.sqrt(i),a=Math.atan2(r,e*n);t=Math.sin(t*a)/r,s=Math.sin(s*a)/r}const r=s*n;if(o=o*t+u*r,l=l*t+d*r,c=c*t+p*r,h=h*t+f*r,t===1-s){const t=1/Math.sqrt(o*o+l*l+c*c+h*h);o*=t,l*=t,c*=t,h*=t}}t[e]=o,t[e+1]=l,t[e+2]=c,t[e+3]=h}static multiplyQuaternionsFlat(t,e,n,i,r,a){const s=n[i],o=n[i+1],l=n[i+2],c=n[i+3],h=r[a],u=r[a+1],d=r[a+2],p=r[a+3];return t[e]=s*p+c*h+o*d-l*u,t[e+1]=o*p+c*u+l*h-s*d,t[e+2]=l*p+c*d+s*u-o*h,t[e+3]=c*p-s*h-o*u-l*d,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,n,i){return this._x=t,this._y=e,this._z=n,this._w=i,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e=!0){const n=t._x,i=t._y,r=t._z,a=t._order,s=Math.cos,o=Math.sin,l=s(n/2),c=s(i/2),h=s(r/2),u=o(n/2),d=o(i/2),p=o(r/2);switch(a){case"XYZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"YXZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"ZXY":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"ZYX":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"YZX":this._x=u*c*h+l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h-u*d*p;break;case"XZY":this._x=u*c*h-l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h+u*d*p;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return!0===e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const n=e/2,i=Math.sin(n);return this._x=t.x*i,this._y=t.y*i,this._z=t.z*i,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,n=e[0],i=e[4],r=e[8],a=e[1],s=e[5],o=e[9],l=e[2],c=e[6],h=e[10],u=n+s+h;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(c-o)*t,this._y=(r-l)*t,this._z=(a-i)*t}else if(n>s&&n>h){const t=2*Math.sqrt(1+n-s-h);this._w=(c-o)/t,this._x=.25*t,this._y=(i+a)/t,this._z=(r+l)/t}else if(s>h){const t=2*Math.sqrt(1+s-n-h);this._w=(r-l)/t,this._x=(i+a)/t,this._y=.25*t,this._z=(o+c)/t}else{const t=2*Math.sqrt(1+h-n-s);this._w=(a-i)/t,this._x=(r+l)/t,this._y=(o+c)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let n=t.dot(e)+1;return n<Number.EPSILON?(n=0,Math.abs(t.x)>Math.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=n):(this._x=0,this._y=-t.z,this._z=t.y,this._w=n)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=n),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(me(this.dot(t),-1,1)))}rotateTowards(t,e){const n=this.angleTo(t);if(0===n)return this;const i=Math.min(1,e/n);return this.slerp(t,i),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const n=t._x,i=t._y,r=t._z,a=t._w,s=e._x,o=e._y,l=e._z,c=e._w;return this._x=n*c+a*s+i*l-r*o,this._y=i*c+a*o+r*s-n*l,this._z=r*c+a*l+n*o-i*s,this._w=a*c-n*s-i*o-r*l,this._onChangeCallback(),this}slerp(t,e){if(0===e)return this;if(1===e)return this.copy(t);const n=this._x,i=this._y,r=this._z,a=this._w;let s=a*t._w+n*t._x+i*t._y+r*t._z;if(s<0?(this._w=-t._w,this._x=-t._x,this._y=-t._y,this._z=-t._z,s=-s):this.copy(t),s>=1)return this._w=a,this._x=n,this._y=i,this._z=r,this;const o=1-s*s;if(o<=Number.EPSILON){const t=1-e;return this._w=t*a+e*this._w,this._x=t*n+e*this._x,this._y=t*i+e*this._y,this._z=t*r+e*this._z,this.normalize(),this}const l=Math.sqrt(o),c=Math.atan2(l,s),h=Math.sin((1-e)*c)/l,u=Math.sin(e*c)/l;return this._w=a*h+this._w*u,this._x=n*h+this._x*u,this._y=i*h+this._y*u,this._z=r*h+this._z*u,this._onChangeCallback(),this}slerpQuaternions(t,e,n){return this.copy(t).slerp(e,n)}random(){const t=2*Math.PI*Math.random(),e=2*Math.PI*Math.random(),n=Math.random(),i=Math.sqrt(1-n),r=Math.sqrt(n);return this.set(i*Math.sin(t),i*Math.cos(t),r*Math.sin(e),r*Math.cos(e))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class qe{constructor(t=0,e=0,n=0){qe.prototype.isVector3=!0,this.x=t,this.y=e,this.z=n}set(t,e,n){return void 0===n&&(n=this.z),this.x=t,this.y=e,this.z=n,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return this.applyQuaternion(Ke.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(Ke.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[3]*n+r[6]*i,this.y=r[1]*e+r[4]*n+r[7]*i,this.z=r[2]*e+r[5]*n+r[8]*i,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,n=this.y,i=this.z,r=t.elements,a=1/(r[3]*e+r[7]*n+r[11]*i+r[15]);return this.x=(r[0]*e+r[4]*n+r[8]*i+r[12])*a,this.y=(r[1]*e+r[5]*n+r[9]*i+r[13])*a,this.z=(r[2]*e+r[6]*n+r[10]*i+r[14])*a,this}applyQuaternion(t){const e=this.x,n=this.y,i=this.z,r=t.x,a=t.y,s=t.z,o=t.w,l=2*(a*i-s*n),c=2*(s*e-r*i),h=2*(r*n-a*e);return this.x=e+o*l+a*h-s*c,this.y=n+o*c+s*l-r*h,this.z=i+o*h+r*c-a*l,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,n=this.y,i=this.z,r=t.elements;return this.x=r[0]*e+r[4]*n+r[8]*i,this.y=r[1]*e+r[5]*n+r[9]*i,this.z=r[2]*e+r[6]*n+r[10]*i,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=me(this.x,t.x,e.x),this.y=me(this.y,t.y,e.y),this.z=me(this.z,t.z,e.z),this}clampScalar(t,e){return this.x=me(this.x,t,e),this.y=me(this.y,t,e),this.z=me(this.z,t,e),this}clampLength(t,e){const n=this.length();return this.divideScalar(n||1).multiplyScalar(me(n,t,e))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,n){return this.x=t.x+(e.x-t.x)*n,this.y=t.y+(e.y-t.y)*n,this.z=t.z+(e.z-t.z)*n,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const n=t.x,i=t.y,r=t.z,a=e.x,s=e.y,o=e.z;return this.x=i*o-r*s,this.y=r*a-n*o,this.z=n*s-i*a,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const n=t.dot(this)/e;return this.copy(t).multiplyScalar(n)}projectOnPlane(t){return Ze.copy(this).projectOnVector(t),this.sub(Ze)}reflect(t){return this.sub(Ze.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const n=this.dot(t)/e;return Math.acos(me(n,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,n=this.y-t.y,i=this.z-t.z;return e*e+n*n+i*i}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,n){const i=Math.sin(e)*t;return this.x=i*Math.sin(n),this.y=Math.cos(e)*t,this.z=i*Math.cos(n),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,n){return this.x=t*Math.sin(e),this.y=n,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),n=this.setFromMatrixColumn(t,1).length(),i=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=n,this.z=i,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=Math.random()*Math.PI*2,e=2*Math.random()-1,n=Math.sqrt(1-e*e);return this.x=n*Math.cos(t),this.y=e,this.z=n*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const Ze=new qe,Ke=new Ye;class Je{constructor(t=new qe(1/0,1/0,1/0),e=new qe(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=t,this.max=e}set(t,e){return this.min.copy(t),this.max.copy(e),this}setFromArray(t){this.makeEmpty();for(let e=0,n=t.length;e<n;e+=3)this.expandByPoint(Qe.fromArray(t,e));return this}setFromBufferAttribute(t){this.makeEmpty();for(let e=0,n=t.count;e<n;e++)this.expandByPoint(Qe.fromBufferAttribute(t,e));return this}setFromPoints(t){this.makeEmpty();for(let e=0,n=t.length;e<n;e++)this.expandByPoint(t[e]);return this}setFromCenterAndSize(t,e){const n=Qe.copy(e).multiplyScalar(.5);return this.min.copy(t).sub(n),this.max.copy(t).add(n),this}setFromObject(t,e=!1){return this.makeEmpty(),this.expandByObject(t,e)}clone(){return(new this.constructor).copy(this)}copy(t){return this.min.copy(t.min),this.max.copy(t.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(t){return this.isEmpty()?t.set(0,0,0):t.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(t){return this.isEmpty()?t.set(0,0,0):t.subVectors(this.max,this.min)}expandByPoint(t){return this.min.min(t),this.max.max(t),this}expandByVector(t){return this.min.sub(t),this.max.add(t),this}expandByScalar(t){return this.min.addScalar(-t),this.max.addScalar(t),this}expandByObject(t,e=!1){t.updateWorldMatrix(!1,!1);const n=t.geometry;if(void 0!==n){const i=n.getAttribute("position");if(!0===e&&void 0!==i&&!0!==t.isInstancedMesh)for(let e=0,n=i.count;e<n;e++)!0===t.isMesh?t.getVertexPosition(e,Qe):Qe.fromBufferAttribute(i,e),Qe.applyMatrix4(t.matrixWorld),this.expandByPoint(Qe);else void 0!==t.boundingBox?(null===t.boundingBox&&t.computeBoundingBox(),tn.copy(t.boundingBox)):(null===n.boundingBox&&n.computeBoundingBox(),tn.copy(n.boundingBox)),tn.applyMatrix4(t.matrixWorld),this.union(tn)}const i=t.children;for(let r=0,a=i.length;r<a;r++)this.expandByObject(i[r],e);return this}containsPoint(t){return t.x>=this.min.x&&t.x<=this.max.x&&t.y>=this.min.y&&t.y<=this.max.y&&t.z>=this.min.z&&t.z<=this.max.z}containsBox(t){return this.min.x<=t.min.x&&t.max.x<=this.max.x&&this.min.y<=t.min.y&&t.max.y<=this.max.y&&this.min.z<=t.min.z&&t.max.z<=this.max.z}getParameter(t,e){return e.set((t.x-this.min.x)/(this.max.x-this.min.x),(t.y-this.min.y)/(this.max.y-this.min.y),(t.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(t){return t.max.x>=this.min.x&&t.min.x<=this.max.x&&t.max.y>=this.min.y&&t.min.y<=this.max.y&&t.max.z>=this.min.z&&t.min.z<=this.max.z}intersectsSphere(t){return this.clampPoint(t.center,Qe),Qe.distanceToSquared(t.center)<=t.radius*t.radius}intersectsPlane(t){let e,n;return t.normal.x>0?(e=t.normal.x*this.min.x,n=t.normal.x*this.max.x):(e=t.normal.x*this.max.x,n=t.normal.x*this.min.x),t.normal.y>0?(e+=t.normal.y*this.min.y,n+=t.normal.y*this.max.y):(e+=t.normal.y*this.max.y,n+=t.normal.y*this.min.y),t.normal.z>0?(e+=t.normal.z*this.min.z,n+=t.normal.z*this.max.z):(e+=t.normal.z*this.max.z,n+=t.normal.z*this.min.z),e<=-t.constant&&n>=-t.constant}intersectsTriangle(t){if(this.isEmpty())return!1;this.getCenter(ln),cn.subVectors(this.max,ln),en.subVectors(t.a,ln),nn.subVectors(t.b,ln),rn.subVectors(t.c,ln),an.subVectors(nn,en),sn.subVectors(rn,nn),on.subVectors(en,rn);let e=[0,-an.z,an.y,0,-sn.z,sn.y,0,-on.z,on.y,an.z,0,-an.x,sn.z,0,-sn.x,on.z,0,-on.x,-an.y,an.x,0,-sn.y,sn.x,0,-on.y,on.x,0];return!!dn(e,en,nn,rn,cn)&&(e=[1,0,0,0,1,0,0,0,1],!!dn(e,en,nn,rn,cn)&&(hn.crossVectors(an,sn),e=[hn.x,hn.y,hn.z],dn(e,en,nn,rn,cn)))}clampPoint(t,e){return e.copy(t).clamp(this.min,this.max)}distanceToPoint(t){return this.clampPoint(t,Qe).distanceTo(t)}getBoundingSphere(t){return this.isEmpty()?t.makeEmpty():(this.getCenter(t.center),t.radius=.5*this.getSize(Qe).length()),t}intersect(t){return this.min.max(t.min),this.max.min(t.max),this.isEmpty()&&this.makeEmpty(),this}union(t){return this.min.min(t.min),this.max.max(t.max),this}applyMatrix4(t){return this.isEmpty()||($e[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(t),$e[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(t),$e[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(t),$e[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(t),$e[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(t),$e[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(t),$e[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(t),$e[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(t),this.setFromPoints($e)),this}translate(t){return this.min.add(t),this.max.add(t),this}equals(t){return t.min.equals(this.min)&&t.max.equals(this.max)}}const $e=[new qe,new qe,new qe,new qe,new qe,new qe,new qe,new qe],Qe=new qe,tn=new Je,en=new qe,nn=new qe,rn=new qe,an=new qe,sn=new qe,on=new qe,ln=new qe,cn=new qe,hn=new qe,un=new qe;function dn(t,e,n,i,r){for(let a=0,s=t.length-3;a<=s;a+=3){un.fromArray(t,a);const s=r.x*Math.abs(un.x)+r.y*Math.abs(un.y)+r.z*Math.abs(un.z),o=e.dot(un),l=n.dot(un),c=i.dot(un);if(Math.max(-Math.max(o,l,c),Math.min(o,l,c))>s)return!1}return!0}const pn=new Je,fn=new qe,mn=new qe;class gn{constructor(t=new qe,e=-1){this.isSphere=!0,this.center=t,this.radius=e}set(t,e){return this.center.copy(t),this.radius=e,this}setFromPoints(t,e){const n=this.center;void 0!==e?n.copy(e):pn.setFromPoints(t).getCenter(n);let i=0;for(let r=0,a=t.length;r<a;r++)i=Math.max(i,n.distanceToSquared(t[r]));return this.radius=Math.sqrt(i),this}copy(t){return this.center.copy(t.center),this.radius=t.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(t){return t.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(t){return t.distanceTo(this.center)-this.radius}intersectsSphere(t){const e=this.radius+t.radius;return t.center.distanceToSquared(this.center)<=e*e}intersectsBox(t){return t.intersectsSphere(this)}intersectsPlane(t){return Math.abs(t.distanceToPoint(this.center))<=this.radius}clampPoint(t,e){const n=this.center.distanceToSquared(t);return e.copy(t),n>this.radius*this.radius&&(e.sub(this.center).normalize(),e.multiplyScalar(this.radius).add(this.center)),e}getBoundingBox(t){return this.isEmpty()?(t.makeEmpty(),t):(t.set(this.center,this.center),t.expandByScalar(this.ra