https://spacemit.com/assets/js/AILabView-Dh2CWSNB.js

1const __vite__mapDeps=(i,m=__vite__mapDeps,d=(m.f||(m.f=["assets/css/ailab-ZYo2wWFu.css"])))=>i.map(i=>d[i]);
2import{b as Po,u as _l,a as gl,c as vl,h as xl,_ as Sl}from"./index-A_wQVeED.js";import{u as Do}from"./vue-i18n-DB8TWyTj.js";import{d as na,ay as Ml,b as Gt,o as ia,t as El,w as Tl,ab as vt,ad as yl,ar,ae as xt,c as Qt,i as ya,ac as Ge,k as us,u as an,ao as Bt,ap as ba,an as bl,F as qn,am as Si,az as Er,h as Tr,p as Aa}from"./vue-core-ChiBto-t.js";import{a as Al}from"./utils-vendor-JQb4SikA.js";import{_ as Rl,n as ds,r as Cl,V as wl}from"./antd-vendor-CCWKs8P6.js";import"./vue-router-DvxZXMKK.js";/**
3 * @license
4 * Copyright 2010-2025 Three.js Authors
5 * SPDX-License-Identifier: MIT
6 */const 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6sub(e){return this.x-=e.x,this.y-=e.y,this}subScalar(e){return this.x-=e,this.y-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this}multiply(e){return this.x*=e.x,this.y*=e.y,this}multiplyScalar(e){return this.x*=e,this.y*=e,this}divide(e){return this.x/=e.x,this.y/=e.y,this}divideScalar(e){return this.multiplyScalar(1/e)}applyMatrix3(e){const t=this.x,i=this.y,r=e.elements;return this.x=r[0]*t+r[3]*i+r[6],this.y=r[1]*t+r[4]*i+r[7],this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this}clamp(e,t){return this.x=He(this.x,e.x,t.x),this.y=He(this.y,e.y,t.y),this}clampScalar(e,t){return this.x=He(this.x,e,t),this.y=He(this.y,e,t),this}clampLength(e,t){const i=this.length();return this.divideScalar(i||1).multiplyScalar(He(i,e,t))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this}ceil(){return 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this._x=e.x,this._y=e.y,this._z=e.z,this._w=e.w,this._onChangeCallback(),this}setFromEuler(e,t=!0){const i=e._x,r=e._y,s=e._z,a=e._order,o=Math.cos,l=Math.sin,c=o(i/2),d=o(r/2),f=o(s/2),p=l(i/2),m=l(r/2),x=l(s/2);switch(a){case"XYZ":this._x=p*d*f+c*m*x,this._y=c*m*f-p*d*x,this._z=c*d*x+p*m*f,this._w=c*d*f-p*m*x;break;case"YXZ":this._x=p*d*f+c*m*x,this._y=c*m*f-p*d*x,this._z=c*d*x-p*m*f,this._w=c*d*f+p*m*x;break;case"ZXY":this._x=p*d*f-c*m*x,this._y=c*m*f+p*d*x,this._z=c*d*x+p*m*f,this._w=c*d*f-p*m*x;break;case"ZYX":this._x=p*d*f-c*m*x,this._y=c*m*f+p*d*x,this._z=c*d*x-p*m*f,this._w=c*d*f+p*m*x;break;case"YZX":this._x=p*d*f+c*m*x,this._y=c*m*f+p*d*x,this._z=c*d*x-p*m*f,this._w=c*d*f-p*m*x;break;case"XZY":this._x=p*d*f-c*m*x,this._y=c*m*f-p*d*x,this._z=c*d*x+p*m*f,this._w=c*d*f+p*m*x;break;default:console.warn("THREE.Quaternion: .setFromEuler() encountered an unknown order: "+a)}return t===!0&&this._onChangeCallback(),this}setFromAxisAngle(e,t){const i=t/2,r=Math.sin(i);return this._x=e.x*r,this._y=e.y*r,this._z=e.z*r,this._w=Math.cos(i),this._onChangeCallback(),this}setFromRotationMatrix(e){const t=e.elements,i=t[0],r=t[4],s=t[8],a=t[1],o=t[5],l=t[9],c=t[2],d=t[6],f=t[10],p=i+o+f;if(p>0){const m=.5/Math.sqrt(p+1);this._w=.25/m,this._x=(d-l)*m,this._y=(s-c)*m,this._z=(a-r)*m}else if(i>o&&i>f){const m=2*Math.sqrt(1+i-o-f);this._w=(d-l)/m,this._x=.25*m,this._y=(r+a)/m,this._z=(s+c)/m}else if(o>f){const m=2*Math.sqrt(1+o-i-f);this._w=(s-c)/m,this._x=(r+a)/m,this._y=.25*m,this._z=(l+d)/m}else{const m=2*Math.sqrt(1+f-i-o);this._w=(a-r)/m,this._x=(s+c)/m,this._y=(l+d)/m,this._z=.25*m}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let i=e.dot(t)+1;return i<1e-8?(i=0,Math.abs(e.x)>

6Math.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=i):(this._x=0,this._y=-e.z,this._z=e.y,this._w=i)):(this._x=e.y*t.z-e.z*t.y,this._y=e.z*t.x-e.x*t.z,this._z=e.x*t.y-e.y*t.x,this._w=i),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(He(this.dot(e),-1,1)))}rotateTowards(e,t){const i=this.angleTo(e);if(i===0)return this;const r=Math.min(1,t/i);return this.slerp(e,r),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let e=this.length();return e===0?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x=this._x*e,this._y=this._y*e,this._z=this._z*e,this._w=this._w*e),this._onChangeCallback(),this}multiply(e){return this.multiplyQuaternions(this,e)}premultiply(e){return this.multiplyQuaternions(e,this)}multiplyQuaternions(e,t){const i=e._x,r=e._y,s=e._z,a=e._w,o=t._x,l=t._y,c=t._z,d=t._w;return this._x=i*d+a*o+r*c-s*l,this._y=r*d+a*l+s*o-i*c,this._z=s*d+a*c+i*l-r*o,this._w=a*d-i*o-r*l-s*c,this._onChangeCallback(),this}slerp(e,t){if(t===0)return this;if(t===1)return this.copy(e);const i=this._x,r=this._y,s=this._z,a=this._w;let o=a*e._w+i*e._x+r*e._y+s*e._z;if(o<0?(this._w=-e._w,this._x=-e._x,this._y=-e._y,this._z=-e._z,o=-o):this.copy(e),o>=1)return this._w=a,this._x=i,this._y=r,this._z=s,this;const l=1-o*o;if(l<=Number.EPSILON){const m=1-t;return this._w=m*a+t*this._w,this._x=m*i+t*this._x,this._y=m*r+t*this._y,this._z=m*s+t*this._z,this.normalize(),this}const c=Math.sqrt(l),d=Math.atan2(c,o),f=Math.sin((1-t)*d)/c,p=Math.sin(t*d)/c;return this._w=a*f+this._w*p,this._x=i*f+this._x*p,this._y=r*f+this._y*p,this._z=s*f+this._z*p,this._onChangeCallback(),this}slerpQuaternions(e,t,i){return this.copy(e).slerp(t,i)}random(){const e=2*Math.PI*Math.random(),t=2*Math.PI*Math.random(),i=Math.random(),r=Math.sqrt(1-i),s=Math.sqrt(i);return this.set(r*Math.sin(e),r*Math.cos(e),s*Math.sin(t),s*Math.cos(t))}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._w===this._w}fromArray(e,t=0){return this._x=e[t],this._y=e[t+1],this._z=e[t+2],this._w=e[t+3],this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._w,e}fromBufferAttribute(e,t){return this._x=e.getX(t),this._y=e.getY(t),this._z=e.getZ(t),this._w=e.getW(t),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class z{constructor(e=0,t=0,i=0){z.prototype.isVector3=!0,this.x=e,this.y=t,this.z=i}set(e,t,i){return i===void 0&&(i=this.z),this.x=e,this.y=t,this.z=i,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this}multiplyVectors(e,t){return this.x=e.x*t.x,this.y=e.y*t.y,this.z=e.z*t.z,this}applyEuler(e){return this.applyQuaternion(La.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(La.setFromAxisAngle(e,t))}applyMatrix3(e){const t=this.x,i=this.y,r=this.z,s=e.elements;return this.x=s[0]*t+s[3]*i+s[6]*r,this.y=s[1]*t+s[4]*i+s[7]*r,this.z=s[2]*t+s[5]*i+s[8]*r,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){const t=this.x,i=this.y,r=this.z,s=e.elements,a=1/(s[3]*t+s[7]*i+s[11]*r+s[15]);return this.x=(s[0]*t+s[4]*i+s[8]*r+s[12])*a,this.y=(s[1]*t+s[5]*i+s[9]*r+s[13])*a,this.z=(s[2]*t+s[6]*i+s[10]*r+s[14])*a,this}

6applyQuaternion(e){const t=this.x,i=this.y,r=this.z,s=e.x,a=e.y,o=e.z,l=e.w,c=2*(a*r-o*i),d=2*(o*t-s*r),f=2*(s*i-a*t);return this.x=t+l*c+a*f-o*d,this.y=i+l*d+o*c-s*f,this.z=r+l*f+s*d-a*c,this}project(e){return this.applyMatrix4(e.matrixWorldInverse).applyMatrix4(e.projectionMatrix)}unproject(e){return this.applyMatrix4(e.projectionMatrixInverse).applyMatrix4(e.matrixWorld)}transformDirection(e){const t=this.x,i=this.y,r=this.z,s=e.elements;return this.x=s[0]*t+s[4]*i+s[8]*r,this.y=s[1]*t+s[5]*i+s[9]*r,this.z=s[2]*t+s[6]*i+s[10]*r,this.normalize()}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this}divideScalar(e){return this.multiplyScalar(1/e)}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this}clamp(e,t){return this.x=He(this.x,e.x,t.x),this.y=He(this.y,e.y,t.y),this.z=He(this.z,e.z,t.z),this}clampScalar(e,t){return this.x=He(this.x,e,t),this.y=He(this.y,e,t),this.z=He(this.z,e,t),this}clampLength(e,t){const i=this.length();return this.divideScalar(i||1).multiplyScalar(He(i,e,t))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this}lerpVectors(e,t,i){return this.x=e.x+(t.x-e.x)*i,this.y=e.y+(t.y-e.y)*i,this.z=e.z+(t.z-e.z)*i,this}cross(e){return this.crossVectors(this,e)}crossVectors(e,t){const i=e.x,r=e.y,s=e.z,a=t.x,o=t.y,l=t.z;return this.x=r*l-s*o,this.y=s*a-i*l,this.z=i*o-r*a,this}projectOnVector(e){const t=e.lengthSq();if(t===0)return this.set(0,0,0);const i=e.dot(this)/t;return this.copy(e).multiplyScalar(i)}projectOnPlane(e){return Rr.copy(this).projectOnVector(e),this.sub(Rr)}reflect(e){return this.sub(Rr.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){const t=Math.sqrt(this.lengthSq()*e.lengthSq());if(t===0)return Math.PI/2;const i=this.dot(e)/t;return Math.acos(He(i,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){const t=this.x-e.x,i=this.y-e.y,r=this.z-e.z;return t*t+i*i+r*r}manhattanDistanceTo(e){return 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e.x===this.x&&e.y===this.y&&e.z===this.z}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const e=Math.random()*Math.PI*2,t=Math.random()*2-1,i=Math.sqrt(1-t*t);return this.x=i*Math.cos(e),this.y=t,this.z=i*Math.sin(e),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const Rr=new z,La=new Ii;class Ue{constructor(e,t,i,r,s,a,o,l,c){Ue.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1],e!==void 0&&this.set(e,t,i,r,s,a,o,l,c)}set(e,t,i,r,s,a,o,l,c){const d=this.elements;return d[0]=e,d[1]=r,d[2]=o,d[3]=t,d[4]=s,d[5]=l,d[6]=i,d[7]=a,d[8]=c,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(e){const t=this.elements,i=e.elements;return t[0]=i[0],t[1]=i[1],t[2]=i[2],t[3]=i[3],t[4]=i[4],t[5]=i[5],t[6]=i[6],t[7]=i[7],t[8]=i[8],this}extractBasis(e,t,i){return e.setFromMatrix3Column(this,0),t.setFromMatrix3Column(this,1),i.setFromMatrix3Column(this,2),this}setFromMatrix4(e){const t=e.elements;return this.set(t[0],t[4],t[8],t[1],t[5],t[9],t[2],t[6],t[10]),this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){const i=e.elements,r=t.elements,s=this.elements,a=i[0],o=i[3],l=i[6],c=i[1],d=i[4],f=i[7],p=i[2],m=i[5],x=i[8],M=r[0],h=r[3],u=r[6],T=r[1],y=r[4],E=r[7],L=r[2],A=r[5],C=r[8];return s[0]=a*M+o*T+l*L,s[3]=a*h+o*y+l*A,s[6]=a*u+o*E+l*C,s[1]=c*M+d*T+f*L,s[4]=c*h+d*y+f*A,s[7]=c*u+d*E+f*C,s[2]=p*M+m*T+x*L,s[5]=p*h+m*y+x*A,s[8]=p*u+m*E+x*C,this}multiplyScalar(e){const t=this.elements;return t[0]*=e,t[3]*=e,t[6]*=e,t[1]*=e,t[4]*=e,t[7]*=e,t[2]*=e,t[5]*=e,t[8]*=e,this}determinant(){const e=this.elements,t=e[0],i=e[1],r=e[2],s=e[3],a=e[4],o=e[5],l=e[6],c=e[7],d=e[8];return t*a*d-t*o*c-i*s*d+i*o*l+r*s*c-r*a*l}invert(){const e=this.elements,t=e[0],i=e[1],r=e[2],s=e[3],a=e[4],o=e[5],l=e[6],c=e[7],d=e[8],f=d*a-o*c,p=o*l-d*s,m=c*s-a*l,x=t*f+i*p+r*m;if(x===0)return this.set(0,0,0,0,0,0,0,0,0);const M=1/x;return e[0]=f*M,e[1]=(r*c-d*i)*M,e[2]=(o*i-r*a)*M,e[3]=p*M,e[4]=(d*t-r*l)*M,e[5]=(r*s-o*t)*M,e[6]=m*M,e[7]=(i*l-c*t)*M,e[8]=(a*t-i*s)*M,this}transpose(){let e;const t=this.elements;return e=t[1],t[1]=t[3],t[3]=e,e=t[2],t[2]=t[6],t[6]=e,e=t[5],t[5]=t[7],t[7]=e,this}getNormalMatrix(e){return this.setFromMatrix4(e).invert().transpose()}transposeIntoArray(e){const t=this.elements;return e[0]=t[0],e[1]=t[3],e[2]=t[6],e[3]=t[1],e[4]=t[4],e[5]=t[7],e[6]=t[2],e[7]=t[5],e[8]=t[8],this}setUvTransform(e,t,i,r,s,a,o){const l=Math.cos(s),c=Math.sin(s);return this.set(i*l,i*c,-i*(l*a+c*o)+a+e,-r*c,r*l,-r*(-c*a+l*o)+o+t,0,0,1),this}scale(e,t){return this.premultiply(Cr.makeScale(e,t)),this}rotate(e){return this.premultiply(Cr.makeRotation(-e)),this}translate(e,t){return this.premultiply(Cr.makeTranslation(e,t)),this}makeTranslation(e,t){return e.isVector2?this.set(1,0,e.x,0,1,e.y,0,0,1):this.set(1,0,e,0,1,t,0,0,1),this}makeRotation(e){const t=Math.cos(e),i=Math.sin(e);return this.set(t,-i,0,i,t,0,0,0,1),this}makeScale(e,t){return this.set(e,0,0,0,t,0,0,0,1),this}equals(e){const t=this.elements,i=e.elements;for(let r=0;r<9;r++)if(t[r]!==i[r])return!1;return!0}fromArray(e,t=0){for(let i=0;i<9;i++)this.elements[i]=e[i+t];return this}toArray(e=[],t=0){const i=this.elements;return e[t]=i[0],e[t+1]=i[1],e[t+2]=i[2],e[t+3]=i[3],e[t+4]=i[4],e[t+5]=i[5],e[t+6]=i[6],e[t+7]=i[7],e[t+8]=i[8],e}clone(){return new this.constructor().fromArray(this.elements)}}const Cr=new Ue;function Wo(n){for(let e=n.length-1;e>=0;--e)if(n[e]>=65535)return!0;return!1}function _r(n){return document.createElementNS("http://www.w3.org/1999/xhtml",n)}function vc(){const n=_r("canvas");return n.style.display="block",n}const Ua={};function ci(n){n in Ua||(Ua[n]=!0,console.warn(n))}function xc(n,e,t){return new Promise(function(i,r){function s(){switch(n.clientWaitSync(e,n.SYNC_FLUSH_COMMANDS_BIT,0)){case n.WAIT_FAILED:r();break;case n.TIMEOUT_EXPIRED:setTimeout(s,t);break;default:i()}}setTimeout(s,t)})}function Sc(n){const e=n.elements;e[2]=.5*e[2]+.5*e[3],e[6]=.5*e[6]+.5*e[7],e[10]=.5*e[10]+.5*e[11],e[14]=.5*e[14]+.5*e[15]}function Mc(n){const e=n.elements;e[11]===-1?(e[10]=-e[10]-1,e[14]=-e[14]):(e[10]=-e[10],e[14]=-e[14]+1)}const Na=new Ue().set(.4123908,.3575843,.1804808,.212639,.7151687,.0721923,.0193308,.1191948,.9505322),Fa=new Ue().set(3.2409699,-1.5373832,-.4986108,-.9692436,1.8759675,.0415551,.0556301,-.203977,1.0569715);function Ec(){const n={enabled:!0,workingColorSpace:yn,spaces:{},convert:function(r,s,a){return this.enabled===!1||s===a||!s||!a||(this.spaces[s].transfer===Je&&(r.r=pn(r.r),r.g=pn(r.g),r.b=pn(r.b)),this.spaces[s].primaries!==this.spaces[a].primaries&&(r.applyMatrix3(this.spaces[s].toXYZ),r.applyM

6atrix3(this.spaces[a].fromXYZ)),this.spaces[a].transfer===Je&&(r.r=ui(r.r),r.g=ui(r.g),r.b=ui(r.b))),r},workingToColorSpace:function(r,s){return this.convert(r,this.workingColorSpace,s)},colorSpaceToWorking:function(r,s){return this.convert(r,s,this.workingColorSpace)},getPrimaries:function(r){return this.spaces[r].primaries},getTransfer:function(r){return r===tn?pr:this.spaces[r].transfer},getLuminanceCoefficients:function(r,s=this.workingColorSpace){return r.fromArray(this.spaces[s].luminanceCoefficients)},define:function(r){Object.assign(this.spaces,r)},_getMatrix:function(r,s,a){return r.copy(this.spaces[s].toXYZ).multiply(this.spaces[a].fromXYZ)},_getDrawingBufferColorSpace:function(r){return this.spaces[r].outputColorSpaceConfig.drawingBufferColorSpace},_getUnpackColorSpace:function(r=this.workingColorSpace){return this.spaces[r].workingColorSpaceConfig.unpackColorSpace},fromWorkingColorSpace:function(r,s){return ci("THREE.ColorManagement: .fromWorkingColorSpace() has been renamed to .workingToColorSpace()."),n.workingToColorSpace(r,s)},toWorkingColorSpace:function(r,s){return ci("THREE.ColorManagement: .toWorkingColorSpace() has been renamed to .colorSpaceToWorking()."),n.colorSpaceToWorking(r,s)}},e=[.64,.33,.3,.6,.15,.06],t=[.2126,.7152,.0722],i=[.3127,.329];return n.define({[yn]:{primaries:e,whitePoint:i,transfer:pr,toXYZ:Na,fromXYZ:Fa,luminanceCoefficients:t,workingColorSpaceConfig:{unpackColorSpace:ct},outputColorSpaceConfig:{drawingBufferColorSpace:ct}},[ct]:{primaries:e,whitePoint:i,transfer:Je,toXYZ:Na,fromXYZ:Fa,luminanceCoefficients:t,outputColorSpaceConfig:{drawingBufferColorSpace:ct}}}),n}const We=Ec();function pn(n){return n<.04045?n*.0773993808:Math.pow(n*.9478672986+.0521327014,2.4)}function ui(n){return n<.0031308?n*12.92:1.055*Math.pow(n,.41666)-.055}let Kn;class Tc{static getDataURL(e,t="image/png"){if(/^data:/i.test(e.src)||typeof HTMLCanvasElement>"u")return e.src;let i;if(e instanceof HTMLCanvasElement)i=e;else{Kn===void 0&&(Kn=_r("canvas")),Kn.width=e.width,Kn.height=e.height;const r=Kn.getContext("2d");e instanceof ImageData?r.putImageData(e,0,0):r.drawImage(e,0,0,e.width,e.height),i=Kn}return i.toDataURL(t)}static sRGBToLinear(e){if(typeof HTMLImageElement<"u"&&e instanceof HTMLImageElement||typeof HTMLCanvasElement<"u"&&e instanceof HTMLCanvasElement||typeof ImageBitmap<"u"&&e instanceof ImageBitmap){const t=_r("canvas");t.width=e.width,t.height=e.height;const i=t.getContext("2d");i.drawImage(e,0,0,e.width,e.height);const r=i.getImageData(0,0,e.width,e.height),s=r.data;for(let a=0;a<s.length;a++)s[a]=pn(s[a]/255)*255;return i.putImageData(r,0,0),t}else if(e.data){const t=e.data.slice(0);for(let i=0;i<t.length;i++)t instanceof Uint8Array||t instanceof Uint8ClampedArray?t[i]=Math.floor(pn(t[i]/255)*255):t[i]=pn(t[i]);return{data:t,width:e.width,height:e.height}}else return console.warn("THREE.ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),e}}let yc=0;class ua{constructor(e=null){this.isSource=!0,Object.defineProperty(this,"id",{value:yc++}),this.uuid=Di(),this.data=e,this.dataReady=!0,this.version=0}getSize(e){const t=this.data;return t instanceof HTMLVideoElement?e.set(t.videoWidth,t.videoHeight):t!==null?e.set(t.width,t.height,t.depth||0):e.set(0,0,0),e}set needsUpdate(e){e===!0&&this.version++}toJSON(e){const t=e===void 0||typeof e=="string";if(!t&&e.images[this.uuid]!==void 0)return e.images[this.uuid];const i={uuid:this.uuid,url:""},r=this.data;if(r!==null){let s;if(Array.isArray(r)){s=[];for(let a=0,o=r.length;a<o;a++)r[a].isDataTexture?s.push(wr(r[a].image)):s.push(wr(r[a]))}else s=wr(r);i.url=s}return t||(e.images[this.uuid]=i),i}}function wr(n){return typeof HTMLImageElement<"u"&&n instanceof HTMLImageElement||typeof HTMLCanvasElement<"u"&&n instanceof HTMLCanvasElement||typeof ImageBitmap<"u"&&n instanceof ImageBitmap?Tc.getDataURL(n):n.data?{data:Array.from(n.data),width:n.width,height:n.height,type:n.data.constructor.name}:(console.warn("THREE.Texture: Unable to serialize Texture."),{})}let bc=0;const Pr=new z;class St extends bn{constructor(e=St.DEFAULT_IMAGE,t=St.DEFAULT_MAPPING,i=Hn,r=Hn,s=Tt,a=Gn,o=Zt,l=Nt,c=St.DEFAULT_ANISOTROPY,d=tn){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:bc++}),this.uuid=Di(),this.name="",this.source=new ua(e),this.mipmaps=[],this.mapping=t,this.channel=0,this.wrapS=i,this.wrapT=r,this.magFilter=s,this.minFilter=a,this.anisotropy=c,this.format=o,this.internalFormat=null,this.type=l,this.offset=new Oe(0,0),this.repeat=new Oe(1,1),this.center=new Oe(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Ue,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.colorSpace=d,this.userData={},this.updateRanges=[],this.version=0,this.onUpdate=null,this.renderTarget=null,this.isRenderTargetTexture=!1,this.isArrayTexture=!!(e&&e.depth&&e.depth>1),this.pmremVersion=0}get width(){return this.source.getSize(Pr).x}get height(){return this.source.getSize(Pr).y}get depth(){return this.source.getSize(Pr).z}get image(){return this.source.data}set image(e=null){this.source.data=e}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}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.offset.copy(e.offset),this.repeat.copy(e.repeat),this.center.copy(e.center),this.rotation=e.rotation,this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrix.copy(e.matrix),this.generateMipmaps=e.generateMipmaps,this.premultiplyAlpha=e.premultiplyAlpha,this.flipY=e.flipY,this.unpackAlignment=e.unpackAlignment,this.colorSpace=e.colorSpace,this.renderTarget=e.renderTarget,this.isRenderTargetTexture=e.isRenderTargetTexture,this.isArrayTexture=e.isArrayTexture,this.userData=JSON.parse(JSON.stringify(e.userData)),this.needsUpdate=!0,this}setValues(e){for(const t in e){const i=e[t];if(i===void 0){console.warn(`THREE.Texture.setValues(): parameter '${t}' has value of undefined.`);continue}const r=this[t];if(r===void 0){console.warn(`THREE.Texture.setValues(): property '${t}' does not exist.`);continue}r&&i&&r.isVector2&&i.isVector2||r&&i&&r.isVector3&&i.isVector3||r&&i&&r.isMatrix3&&i.isMatrix3?r.copy(i):this[t]=i}}toJSON(e){const t=e===void 0||typeof e=="string";if(!t&&e.textures[this.uuid]!==void 0)return e.textures[this.uuid];const i={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,colorSpace:this.colorSpace,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,generateMipmaps:this.generateMipmaps,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return Object.keys(this.userData).length>0&&(i.userData=this.userData),t||(e.textures[this.uuid]=i),i}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(e){if(this.mapping!==Uo)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case Es:e.x=e.x-Math.floor(e.x);break;case Hn:e.x=e.x<0?0:1;break;case Ts:Math.abs(Math.floor(e.x)%2)===1?e.x=Math.ceil(e.x)-e.x:e.x=e.x-Math.floor(e.x);break}if(e.y<0||e.y>1)switch(this.wrapT){case Es:e.y=e.y-Math.floor(e.y);break;case Hn:e.y=e.y<0?0:1;break;case Ts:Math.abs(Math.floor(e.y)%2)===1?e.y=Math.ceil(e.y)-e.y:e.y=e.y-Math.floor(e.y);break}return this.flipY&&(e.y=1-e.y),e}set needsUpdate(e){e===!0&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(e){e===!0&&this.pmremVersion++}}St.DEFAULT_IMAGE=null;St.DEFAULT_MAPPING=Uo;St.DEFAULT_ANISOTROPY=1;class ut{constructor(e=0,t=0,i=0,r=1){ut.prototype.isVector4=!0,this.x=e,this.y=t,this.z=i,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,i,r){return this.x=e,this.y=t,this.z=i,this.w=r,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this.w=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setW(e){return this.w=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;case 3:this.w=t;break;default:throw new Error("index is out of range: "+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+e)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=e.w!==void 0?e.w:1,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this.w=e.w+t.w,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this}sub(e){return this.x-=e.x,this.y-=e.y,this.z-=e.z,this.w-=e.w,this}subScalar(e){return this.x-=e,this.y-=e,this.z-=e,this.w-=e,this}subVectors(e,t){return this.x=e.x-t.x,this.y=e.y-t.y,this.z=e.z-t.z,this.w=e.w-t.w,this}multiply(e){return this.x*=e.x,this.y*=e.y,this.z*=e.z,this.w*=e.w,this}multiplyScalar(e){return this.x*=e,this.y*=e,this.z*=e,this.w*=e,this}applyMatrix4(e){const t=this.x,i=this.y,r=this.z,s=this.w,a=e.elements;return this.x=a[0]*t+a[4]*i+a[8]*r+a[12]*s,this.y=a[1]*t+a[5]*i+a[9]*r+a[13]*s,this.z=a[2]*t+a[6]*i+a[10]*r+a[14]*s,this.w=a[3]*t+a[7]*i+a[11]*r+a[15]*s,this}divide(e){return this.x/=e.x,this.y/=e.y,this.z/=e.z,this.w/=e.w,this}divideScalar(e){return this.multiplyScalar(1/e)}setAxisAngleFromQuaternion(e){this.w=2*Math.acos(e.w);const t=Math.sqrt(1-e.w*e.w);return t<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=e.x/t,this.y=e.y/t,this.z=e.z/t),this}setAxisAngleFromRotationMatrix(e){let t,i,r,s;const l=e.elements,c=l[0],d=l[4],f=l[8],p=l[1],m=l[5],x=l[9],M=l[2],h=l[6],u=l[10];if(Math.abs(d-p)<.01&&Math.abs(f-M)<.01&&Math.abs(x-h)<.01){if(Math.abs(d+p)<.1&&Math.abs(f+M)<.1&&Math.abs(x+h)<.1&&Math.abs(c+m+u-3)<.1)return this.set(1,0,0,0),this;t=Math.PI;const y=(c+1)/2,E=(m+1)/2,L=(u+1)/2,A=(d+p)/4,C=(f+M)/4,U=(x+h)/4;return y>E&&y>L?y<.01?(i=0,r=.707106781,s=.707106781):(i=Math.sqrt(y),r=A/i,s=C/i):E>L?E<.01?(i=.707106781,r=0,s=.707106781):(r=Math.sqrt(E),i=A/r,s=U/r):L<.01?(i=.707106781,r=.707106781,s=0):(s=Math.sqrt(L),i=C/s,r=U/s),this.set(i,r,s,t),this}let T=Math.sqrt((h-x)*(h-x)+(f-M)*(f-M)+(p-d)*(p-d));return Math.abs(T)<.001&&(T=1),this.x=(h-x)/T,this.y=(f-M)/T,this.z=(p-d)/T,this.w=Math.acos((c+m+u-1)/2),this}setFromMatrixPosition(e){const t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this.w=t[15],this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this.w=Math.min(this.w,e.w),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this.w=Math.max(this.w,e.w),this}clamp(e,t){return this.x=He(this.x,e.x,t.x),this.y=He(this.y,e.y,t.y),this.z=He(this.z,e.z,t.z),this.w=He(this.w,e.w,t.w),this}clampScalar(e,t){return this.x=He(this.x,e,t),this.y=He(this.y,e,t),this.z=He(this.z,e,t),this.w=He(this.w,e,t),this}clampLength(e,t){const i=this.length();return this.divideScalar(i||1).multiplyScalar(He(i,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,i){return this.x=e.x+(t.x-e.x)*i,this.y=e.y+(t.y-e.y)*i,this.z=e.z+(t.z-e.z)*i,this.w=e.w+(t.w-e.w)*i,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this.w=e[t+3],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this.w=e.getW(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}class Ac extends bn{constructor(e=1,t=1,i={}){super(),i=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:Tt,depthBuffer:!0,stencilBuffer:!1,resolveDepthBuffer:!0,resolveStencilBuffer:!0,depthTexture:null,samples:0,count:1,depth:1,multiview:!1},i),this.isRenderTarget=!0,this.width=e,this.height=t,this.depth=i.depth,this.scissor=new ut(0,0,e,t),this.scissorTest=!1,this.viewport=new ut(0,0,e,t);const r={width:e,height:t,depth:i.depth},s=new St(r);this.textures=[];const a=i.count;for(let o=0;o<a;o++)this.textures[o]=s.clone(),this.textures[o].isRenderTargetTexture=!0,this.textures[o].renderTarget=this;this._setTextureOptions(i),this.depthBuffer=i.depthBuffer,this.stencilBuffer=i.stencilBuffer,this.resolveDepthBuffer=i.resolveDepthBuffer,this.resolveStencilBuffer=i.resolveStencilBuffer,this._depthTexture=null,this.depthTexture=i.depthTexture,this.samples=i.samples,this.multiview=i.multiview}_setTextureOptions(e={}){const t={minFilter:Tt,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 i=0;i<this.textures.length;i++)this.textures[i].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,i=1){if(this.width!==e||this.height!==t||this.depth!==i){this.width=e,this.height=t,this.depth=i;for(let r=0,s=this.textures.length;r<s;r++)this.textures[r].image.width=e,this.textures[r].image.height=t,this.textures[r].image.depth=i,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,i=e.textures.length;t<i;t++){this.textures[t]=e.textures[t].clone(),this.textures[t].isRenderTargetTexture=!0,this.textures[t].renderTarget=this;const r=Object.assign({},e.textures[t].image);this.textures[t].source=new ua(r)}return this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,this.resolveDepthBuffer=e.resolveDepthBuffer,this.resolveStencilBuffer=e.resolveStencilBuffer,e.depthTexture!==null&&(this.depthTexture=e.depthTexture.clone()),this.samples=e.samples,this}dispose(){this.dispatchEvent({type:"dispose"})}}class kt extends Ac{constructor(e=1,t=1,i={}){super(e,t,i),this.isWebGLRenderTarget=!0}}class Xo extends St{constructor(e=null,t=1,i=1,r=1){super(null),this.isDataArrayTexture=!0,this.image={data:e,width:t,height:i,depth:r},this.magFilter=Jt,this.minFilter=Jt,this.wrapR=Hn,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.layerUpdates=new Set}addLayerUpdate(e){this.layerUpdates.add(e)}clearLayerUpdates(){this.layerUpdates.clear()}}class Rc extends St{constructor(e=null,t=1,i=1,r=1){super(null),this.isData3DTexture=!0,this.image={data:e,width:t,height:i,depth:r},this.magFilter=Jt,this.minFilter=Jt,this.wrapR=Hn,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}}class Li{constructor(e=new z(1/0,1/0,1/0),t=new z(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){this.makeEmpty();for(let t=0,i=e.length;t<i;t+=3)this.expandByPoint(qt.fromArray(e,t));return this}setFromBufferAttribute(e){this.makeEmpty();for(let t=0,i=e.count;t<i;t++)this.expandByPoint(qt.fromBufferAttribute(e,t));return this}setFromPoints(e){this.makeEmpty();for(let t=0,i=e.length;t<i;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){const i=qt.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(i),this.max.copy(e).add(i),this}setFromObject(e,t=!1){return this.makeEmpty(),this.expandByObject(e,t)}clone(){return new this.constructor().copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(e){return this.isEmpty()?e.set(0,0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(e){return this.isEmpty()?e.set(0,0,0):e.subVectors(this.max,this.min)}expandByPoint(e){return this.min.min(e),this.max.max(e),this}expandByVector(e){return this.min.sub(e),this.max.add(e),this}expandByScalar(e){return this.min.addScalar(-e),this.max.addScalar(e),this}expandByObject(e,t=!1){e.updateWorldMatrix(!1,!1);const i=e.geometry;if(i!==void 0){const s=i.getAttribute("position");if(t===!0&&s!==void 0&&e.isInstancedMesh!==!0)for(let a=0,o=s.count;a<o;a++)e.isMesh===!0?e.getVertexPosition(a,qt):qt.fromBufferAttribute(s,a),qt.applyMatrix4(e.matrixWorld),this.expandByPoint(qt);else e.boundingBox!==void 0?(e.boundingBox===null&&e.computeBoundingBox(),zi.copy(e.boundingBox)):(i.boundingBox===null&&i.computeBoundingBox(),zi.copy(i.boundingBox)),zi.applyMatrix4(e.matrixWorld),this.union(zi)}const r=e.children;for(let s=0,a=r.length;s<a;s++)this.expandByObject(r[s],t);return this}containsPoint(e){return e.x>=this.min.x&&e.x<=this.max.x&&e.y>=this.min.y&&e.y<=this.max.y&&e.z>=this.min.z&&e.z<=this.max.z}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(e){return e.max.x>=this.min.x&&e.min.x<=this.max.x&&e.max.y>=this.min.y&&e.min.y<=this.max.y&&e.max.z>=this.min.z&&e.min.z<=this.max.z}intersectsSphere(e){return this.clampPoint(e.center,qt),qt.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,i;return e.normal.x>0?(t=e.normal.x*this.min.x,i=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,i=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,i+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,i+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,i+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,i+=e.normal.z*this.min.z),t<=-e.constant&&i>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(Ei),Hi.subVectors(this.max,Ei),$n.subVectors(e.a,Ei),Zn.subVectors(e.b,Ei),jn.subVectors(e.c,Ei),gn.subVectors(Zn,$n),vn.subVectors(jn,Zn),Pn.subVectors($n,jn);let t=[0,-gn.z,gn.y,0,-vn.z,vn.y,0,-Pn.z,Pn.y,gn.z,0,-gn.x,vn.z,0,-vn.x,Pn.z,0,-Pn.x,-gn.y,gn.x,0,-vn.y,vn.x,0,-Pn.y,Pn.x,0];return!Dr(t,$n,Zn,jn,Hi)||(t=[1,0,0,0,1,0,0,0,1],!Dr(t,$n,Zn,jn,Hi))?!1:(Gi.crossVectors(gn,vn),t=[Gi.x,Gi.y,Gi.z],Dr(t,$n,Zn,jn,Hi))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,qt).distanceTo(e)}getBoundingSphere(e){return this.isEmpty()?e.makeEmpty():(this.getCenter(e.center),e.radius=this.getSize(qt).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:(on[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),on[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),on[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),on[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),on[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),on[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),on[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),on[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(on),this)}translate(e){return this.min.add(e),this.max.add(e),this}equals(e){return e.min.equals(this.min)&&e.max.equals(this.max)}toJSON(){return{min:this.min.toArray(),max:this.max.toArray()}}fromJSON(e){return this.min.fromArray(e.min),this.max.fromArray(e.max),this}}const on=[new z,new z,new z,new z,new z,new z,new z,new z],qt=new z,zi=new Li,$n=new z,Zn=new z,jn=new z,gn=new z,vn=new z,Pn=new z,Ei=new z,Hi=new z,Gi=new z,Dn=new z;function Dr(n,e,t,i,r){for(let s=0,a=n.length-3;s<=a;s+=3){Dn.fromArray(n,s);const o=r.x*Math.abs(Dn.x)+r.y*Math.abs(Dn.y)+r.z*Math.abs(Dn.z),l=e.dot(Dn),c=t.dot(Dn),d=i.dot(Dn);if(Math.max(-Math.max(l,c,d),Math.min(l,c,d))>o)return!1}return!0}const Cc=new Li,Ti=new z,Ir=new z;class da{constructor(e=new z,t=-1){this.isSphere=!0,this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){const i=this.center;t!==void 0?i.copy(t):Cc.setFromPoints(e).getCenter(i);let r=0;for(let s=0,a=e.length;s<a;s++)r=Math.max(r,i.distanceToSquared(e[s]));return this.radius=Math.sqrt(r),this}copy(e){return this.center.copy(e.center),this.radius=e.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(e){return e.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(e){return e.distanceTo(this.center)-this.radius}intersectsSphere(e){const t=this.radius+e.radius;return e.center.distanceToSquared(this.center)<=t*t}intersectsBox(e){return e.intersectsSphere(this)}intersectsPlane(e){return Math.abs(e.distanceToPoint(this.center))<=this.radius}clampPoint(e,t){const i=this.center.distanceToSquared(e);return t.copy(e),i>this.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius=this.radius*e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}expandByPoint(e){if(this.isEmpty())return this.center.copy(e),this.radius=0,this;Ti.subVectors(e,this.center);const t=Ti.lengthSq();if(t>this.radius*this.radius){const i=Math.sqrt(t),r=(i-this.radius)*.5;this.center.addScaledVector(Ti,r/i),this.radius+=r}return this}union(e){return e.isEmpty()?this:this.isEmpty()?(this.copy(e),this):(this.center.equals(e.center)===!0?this.radius=Math.max(this.radius,e.radius):(Ir.subVectors(e.center,this.center).setLength(e.radius),this.expandByPoint(Ti.copy(e.center).add(Ir)),this.expandByPoint(Ti.copy(e.center).sub(Ir))),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}}const ln=new z,Lr=new z,Vi=new z,xn=new z,Ur=new z,ki=new z,Nr=new z;class wc{constructor(e=new z,t=new z(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,ln)),this}closestPointToPoint(e,t){t.subVectors(e,this.origin);const i=t.dot(this.direction);return i<0?t.copy(this.origin):t.copy(this.origin).addScaledVector(this.direction,i)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){const t=ln.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(ln.copy(this.origin).addScaledVector(this.direction,t),ln.distanceToSquared(e))}distanceSqToSegment(e,t,i,r){Lr.copy(e).add(t).multiplyScalar(.5),Vi.copy(t).sub(e).normalize(),xn.copy(this.origin).sub(Lr);const s=e.distanceTo(t)*.5,a=-this.direction.dot(Vi),o=xn.dot(this.direction),l=-xn.dot(Vi),c=xn.lengthSq(),d=Math.abs(1-a*a);let f,p,m,x;if(d>0)if(f=a*l-o,p=a*o-l,x=s*d,f>=0)if(p>=-x)if(p<=x){const M=1/d;f*=M,p*=M,m=f*(f+a*p+2*o)+p*(a*f+p+2*l)+c}else p=s,f=Math.max(0,-(a*p+o)),m=-f*f+p*(p+2*l)+c;else p=-s,f=Math.max(0,-(a*p+o)),m=-f*f+p*(p+2*l)+c;else p<=-x?(f=Math.max(0,-(-a*s+o)),p=f>0?-s:Math.min(Math.max(-s,-l),s),m=-f*f+p*(p+2*l)+c):p<=x?(f=0,p=Math.min(Math.max(-s,-l),s),m=p*(p+2*l)+c):(f=Math.max(0,-(a*s+o)),p=f>0?s:Math.min(Math.max(-s,-l),s),m=-f*f+p*(p+2*l)+c);else p=a>0?-s:s,f=Math.max(0,-(a*p+o)),m=-f*f+p*(p+2*l)+c;return i&&i.copy(this.origin).addScaledVector(this.direction,f),r&&r.copy(Lr).addScaledVector(Vi,p),m}intersectSphere(e,t){ln.subVectors(e.center,this.origin);const i=ln.dot(this.direction),r=ln.dot(ln)-i*i,s=e.radius*e.radius;if(r>s)return null;const a=Math.sqrt(s-r),o=i-a,l=i+a;return l<0?null:o<0?this.at(l,t):this.at(o,t)}intersectsSphere(e){return e.radius<0?!1:this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){const t=e.normal.dot(this.direction);if(t===0)return e.distanceToPoint(this.origin)===0?0:null;const i=-(this.origin.dot(e.normal)+e.constant)/t;return i>=0?i:null}intersectPlane(e,t){const i=this.distanceToPlane(e);return i===null?null:this.at(i,t)}intersectsPlane(e){const t=e.distanceToPoint(this.origin);return t===0||e.normal.dot(this.direction)*t<0}intersectBox(e,t){let i,r,s,a,o,l;const c=1/this.direction.x,d=1/this.direction.y,f=1/this.direction.z,p=this.origin;return c>=0?(i=(e.min.x-p.x)*c,r=(e.max.x-p.x)*c):(i=(e.max.x-p.x)*c,r=(e.min.x-p.x)*c),d>=0?(s=(e.min.y-p.y)*d,a=(e.max.y-p.y)*d):(s=(e.max.y-p.y)*d,a=(e.min.y-p.y)*d),i>a||s>r||((s>i||isNaN(i))&&(i=s),(a<r||isNaN(r))&&(r=a),f>=0?(o=(e.min.z-p.z)*f,l=(e.max.z-p.z)*f):(o=(e.max.z-p.z)*f,l=(e.min.z-p.z)*f),i>l||o>r)||((o>i||i!==i)&&(i=o),(l<r||r!==r)&&(r=l),r<0)?null:this.at(i>=0?i:r,t)}intersectsBox(e){return this.intersectBox(e,ln)!==null}intersectTriangle(e,t,i,r,s){Ur.subVectors(t,e),ki.subVectors(i,e),Nr.crossVectors(Ur,ki);let a=this.direction.dot(Nr),o;if(a>0){if(r)return null;o=1}else if(a<0)o=-1,a=-a;else return null;xn.subVectors(this.origin,e);const l=o*this.direction.dot(ki.crossVectors(xn,ki));if(l<0)return null;const c=o*this.direction.dot(Ur.cross(xn));if(c<0||l+c>a)return null;const d=-o*xn.dot(Nr);return d<0?null:this.at(d/a,s)}applyMatrix4(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return new this.constructor().copy(this)}}class ft{constructor(e,t,i,r,s,a,o,l,c,d,f,p,m,x,M,h){ft.prototype.isMatrix4=!0,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,i,r,s,a,o,l,c,d,f,p,m,x,M,h)}set(e,t,i,r,s,a,o,l,c,d,f,p,m,x,M,h){const u=this.elements;return u[0]=e,u[4]=t,u[8]=i,u[12]=r,u[1]=s,u[5]=a,u[9]=o,u[13]=l,u[2]=c,u[6]=d,u[10]=f,u[14]=p,u[3]=m,u[7]=x,u[11]=M,u[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 ft().fromArray(this.elements)}copy(e){const t=this.elements,i=e.elements;return t[0]=i[0],t[1]=i[1],t[2]=i[2],t[3]=i[3],t[4]=i[4],t[5]=i[5],t[6]=i[6],t[7]=i[7],t[8]=i[8],t[9]=i[9],t[10]=i[10],t[11]=i[11],t[12]=i[12],t[13]=i[13],t[14]=i[14],t[15]=i[15],this}copyPosition(e){const t=this.elements,i=e.elements;return t[12]=i[12],t[13]=i[13],t[14]=i[14],this}setFromMatrix3(e){const t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,i){return e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),i.setFromMatrixColumn(this,2),this}makeBasis(e,t,i){return this.set(e.x,t.x,i.x,0,e.y,t.y,i.y,0,e.z,t.z,i.z,0,0,0,0,1),this}extractRotation(e){const t=this.elements,i=e.elements,r=1/Jn.setFromMatrixColumn(e,0).length(),s=1/Jn.setFromMatrixColumn(e,1).length(),a=1/Jn.setFromMatrixColumn(e,2).length();return t[0]=i[0]*r,t[1]=i[1]*r,t[2]=i[2]*r,t[3]=0,t[4]=i[4]*s,t[5]=i[5]*s,t[6]=i[6]*s,t[7]=0,t[8]=i[8]*a,t[9]=i[9]*a,t[10]=i[10]*a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){const t=this.elements,i=e.x,r=e.y,s=e.z,a=Math.cos(i),o=Math.sin(i),l=Math.cos(r),c=Math.sin(r),d=Math.cos(s),f=Math.sin(s);if(e.order==="XYZ"){const p=a*d,m=a*f,x=o*d,M=o*f;t[0]=l*d,t[4]=-l*f,t[8]=c,t[1]=m+x*c,t[5]=p-M*c,t[9]=-o*l,t[2]=M-p*c,t[6]=x+m*c,t[10]=a*l}else if(e.order==="YXZ"){const p=l*d,m=l*f,x=c*d,M=c*f;t[0]=p+M*o,t[4]=x*o-m,t[8]=a*c,t[1]=a*f,t[5]=a*d,t[9]=-o,t[2]=m*o-x,t[6]=M+p*o,t[10]=a*l}else if(e.order==="ZXY"){const p=l*d,m=l*f,x=c*d,M=c*f;t[0]=p-M*o,t[4]=-a*f,t[8]=x+m*o,t[1]=m+x*o,t[5]=a*d,t[9]=M-p*o,t[2]=-a*c,t[6]=o,t[10]=a*l}else if(e.order==="ZYX"){const p=a*d,m=a*f,x=o*d,M=o*f;t[0]=l*d,t[4]=x*c-m,t[8]=p*c+M,t[1]=l*f,t[5]=M*c+p,t[9]=m*c-x,t[2]=-c,t[6]=o*l,t[10]=a*l}else if(e.order==="YZX"){const p=a*l,m=a*c,x=o*l,M=o*c;t[0]=l*d,t[4]=M-p*f,t[8]=x*f+m,t[1]=f,t[5]=a*d,t[9]=-o*d,t[2]=-c*d,t[6]=m*f+x,t[10]=p-M*f}else if(e.order==="XZY"){const p=a*l,m=a*c,x=o*l,M=o*c;t[0]=l*d,t[4]=-f,t[8]=c*d,t[1]=p*f+M,t[5]=a*d,t[9]=m*f-x,t[2]=x*f-m,t[6]=o*d,t[10]=M*f+p}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(Pc,e,Dc)}lookAt(e,t,i){const r=this.elements;

6return Dt.subVectors(e,t),Dt.lengthSq()===0&&(Dt.z=1),Dt.normalize(),Sn.crossVectors(i,Dt),Sn.lengthSq()===0&&(Math.abs(i.z)===1?Dt.x+=1e-4:Dt.z+=1e-4,Dt.normalize(),Sn.crossVectors(i,Dt)),Sn.normalize(),Wi.crossVectors(Dt,Sn),r[0]=Sn.x,r[4]=Wi.x,r[8]=Dt.x,r[1]=Sn.y,r[5]=Wi.y,r[9]=Dt.y,r[2]=Sn.z,r[6]=Wi.z,r[10]=Dt.z,this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){const i=e.elements,r=t.elements,s=this.elements,a=i[0],o=i[4],l=i[8],c=i[12],d=i[1],f=i[5],p=i[9],m=i[13],x=i[2],M=i[6],h=i[10],u=i[14],T=i[3],y=i[7],E=i[11],L=i[15],A=r[0],C=r[4],U=r[8],g=r[12],S=r[1],w=r[5],X=r[9],O=r[13],H=r[2],Y=r[6],G=r[10],te=r[14],V=r[3],se=r[7],ce=r[11],ve=r[15];return s[0]=a*A+o*S+l*H+c*V,s[4]=a*C+o*w+l*Y+c*se,s[8]=a*U+o*X+l*G+c*ce,s[12]=a*g+o*O+l*te+c*ve,s[1]=d*A+f*S+p*H+m*V,s[5]=d*C+f*w+p*Y+m*se,s[9]=d*U+f*X+p*G+m*ce,s[13]=d*g+f*O+p*te+m*ve,s[2]=x*A+M*S+h*H+u*V,s[6]=x*C+M*w+h*Y+u*se,s[10]=x*U+M*X+h*G+u*ce,s[14]=x*g+M*O+h*te+u*ve,s[3]=T*A+y*S+E*H+L*V,s[7]=T*C+y*w+E*Y+L*se,s[11]=T*U+y*X+E*G+L*ce,s[15]=T*g+y*O+E*te+L*ve,this}multiplyScalar(e){const t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this}determinant(){const e=this.elements,t=e[0],i=e[4],r=e[8],s=e[12],a=e[1],o=e[5],l=e[9],c=e[13],d=e[2],f=e[6],p=e[10],m=e[14],x=e[3],M=e[7],h=e[11],u=e[15];return x*(+s*l*f-r*c*f-s*o*p+i*c*p+r*o*m-i*l*m)+M*(+t*l*m-t*c*p+s*a*p-r*a*m+r*c*d-s*l*d)+h*(+t*c*f-t*o*m-s*a*f+i*a*m+s*o*d-i*c*d)+u*(-r*o*d-t*l*f+t*o*p+r*a*f-i*a*p+i*l*d)}transpose(){const e=this.elements;let t;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this}setPosition(e,t,i){const r=this.elements;return e.isVector3?(r[12]=e.x,r[13]=e.y,r[14]=e.z):(r[12]=e,r[13]=t,r[14]=i),this}invert(){const e=this.elements,t=e[0],i=e[1],r=e[2],s=e[3],a=e[4],o=e[5],l=e[6],c=e[7],d=e[8],f=e[9],p=e[10],m=e[11],x=e[12],M=e[13],h=e[14],u=e[15],T=f*h*c-M*p*c+M*l*m-o*h*m-f*l*u+o*p*u,y=x*p*c-d*h*c-x*l*m+a*h*m+d*l*u-a*p*u,E=d*M*c-x*f*c+x*o*m-a*M*m-d*o*u+a*f*u,L=x*f*l-d*M*l-x*o*p+a*M*p+d*o*h-a*f*h,A=t*T+i*y+r*E+s*L;if(A===0)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);const C=1/A;return e[0]=T*C,e[1]=(M*p*s-f*h*s-M*r*m+i*h*m+f*r*u-i*p*u)*C,e[2]=(o*h*s-M*l*s+M*r*c-i*h*c-o*r*u+i*l*u)*C,e[3]=(f*l*s-o*p*s-f*r*c+i*p*c+o*r*m-i*l*m)*C,e[4]=y*C,e[5]=(d*h*s-x*p*s+x*r*m-t*h*m-d*r*u+t*p*u)*C,e[6]=(x*l*s-a*h*s-x*r*c+t*h*c+a*r*u-t*l*u)*C,e[7]=(a*p*s-d*l*s+d*r*c-t*p*c-a*r*m+t*l*m)*C,e[8]=E*C,e[9]=(x*f*s-d*M*s-x*i*m+t*M*m+d*i*u-t*f*u)*C,e[10]=(a*M*s-x*o*s+x*i*c-t*M*c-a*i*u+t*o*u)*C,e[11]=(d*o*s-a*f*s-d*i*c+t*f*c+a*i*m-t*o*m)*C,e[12]=L*C,e[13]=(d*M*r-x*f*r+x*i*p-t*M*p-d*i*h+t*f*h)*C,e[14]=(x*o*r-a*M*r-x*i*l+t*M*l+a*i*h-t*o*h)*C,e[15]=(a*f*r-d*o*r+d*i*l-t*f*l-a*i*p+t*o*p)*C,this}scale(e){const t=this.elements,i=e.x,r=e.y,s=e.z;return t[0]*=i,t[4]*=r,t[8]*=s,t[1]*=i,t[5]*=r,t[9]*=s,t[2]*=i,t[6]*=r,t[10]*=s,t[3]*=i,t[7]*=r,t[11]*=s,this}getMaxScaleOnAxis(){const e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],i=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,i,r))}makeTranslation(e,t,i){return e.isVector3?this.set(1,0,0,e.x,0,1,0,e.y,0,0,1,e.z,0,0,0,1):this.set(1,0,0,e,0,1,0,t,0,0,1,i,0,0,0,1),this}makeRotationX(e){const t=Math.cos(e),i=Math.sin(e);return this.set(1,0,0,0,0,t,-i,0,0,i,t,0,0,0,0,1),this}makeRotationY(e){const t=Math.cos(e),i=Math.sin(e);return this.set(t,0,i,0,0,1,0,0,-i,0,t,0,0,0,0,1),this}makeRotationZ(e){const t=Math.cos(e),i=Math.sin(e);return this.set(t,-i,0,0,i,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){const i=Math.cos(t),r=Math.sin(t),s=1-i,a=e.x,o=e.y,l=e.z,c=s*a,d=s*o;return this.set(c*a+i,c*o-r*l,c*l+r*o,0,c*o+r*l,d*o+i,d*l-r*a,0,c*l-r*o,d*l+r*a,s*l*l+i,0,0,0,0,1),this}makeScale(e,t,i){return this.set(e,0,0,0,0,t,0,0,0,0,i,0,0,0,0,1),this}makeShear(e,t,i,r,s,a){return this.set(1,i,s,0,e,1,a,0,t,r,1,0,0,0,0,1),this}compose(e,t,i){const r=this.elements,s=t._x,a=t._y,o=t._z,l=t._w,c=s+s,d=a+a,f=o+o,p=s*c,m=s*d,x=s*f,M=a*d,h=a*f,u=o*f,T=l*c,y=l*d,E=l*f,L=i.x,A=i.y,C=i.z;return r[0]=(1-(M+u))*L,r[1]=(m+E)*L,r[2]=(x-y)*L,r[3]=0,r[4]=(m-E)*A,r[5]=(1-(p+u))*A,r[6]=(h+T)*A,r[7]=0,r[8]=(x+y)*C,r[9]=(h-T)*C,r[10]=(1-(p+M))*C,r[11]=0,r[12]=e.x,r[13]=e.y,r[14]=e.z,r[15]=1,this}decompose(e,t,i){const r=this.elements;let s=Jn.set(r[0],r[1],r[2]).length();const a=Jn.set(r[4],r[5],r[6]).length(),o=Jn.set(r[8],r[9],r[10]).length();this.determinant()<0&&(s=-s),e.x=r[12],e.y=r[13],e.z=r[14],Yt.copy(this);const c=1/s,d=1/a,f=1/o;return Yt.elements[0]*=c,Yt.elements[1]*=c,Yt.elements[2]*=c,Yt.elements[4]*=d,Yt.elements[5]*=d,Yt.elements[6]*=d,Yt.elements[8]*=f,Yt.elements[9]*=f,Yt.elements[10]*=f,t.setFromRotationMatrix(Yt),i.x=s,i.y=a,i.z=o,this}makePerspective(e,t,i,r,s,a,o=hn){const l=this.elements,c=2*s/(t-e),d=2*s/(i-r),f=(t+e)/(t-e),p=(i+r)/(i-r);let m,x;if(o===hn)m=-(a+s)/(a-s),x=-2*a*s/(a-s);else if(o===mr)m=-a/(a-s),x=-a*s/(a-s);else throw new Error("THREE.Matrix4.makePerspective(): Invalid coordinate system: "+o);return l[0]=c,l[4]=0,l[8]=f,l[12]=0,l[1]=0,l[5]=d,l[9]=p,l[13]=0,l[2]=0,l[6]=0,l[10]=m,l[14]=x,l[3]=0,l[7]=0,l[11]=-1,l[15]=0,this}makeOrthographic(e,t,i,r,s,a,o=hn){const l=this.elements,c=1/(t-e),d=1/(i-r),f=1/(a-s),p=(t+e)*c,m=(i+r)*d;let x,M;if(o===hn)x=(a+s)*f,M=-2*f;else if(o===mr)x=s*f,M=-1*f;else throw new Error("THREE.Matrix4.makeOrthographic(): Invalid coordinate system: "+o);return l[0]=2*c,l[4]=0,l[8]=0,l[12]=-p,l[1]=0,l[5]=2*d,l[9]=0,l[13]=-m,l[2]=0,l[6]=0,l[10]=M,l[14]=-x,l[3]=0,l[7]=0,l[11]=0,l[15]=1,this}equals(e){const t=this.elements,i=e.elements;for(let r=0;r<16;r++)if(t[r]!==i[r])return!1;return!0}fromArray(e,t=0){for(let i=0;i<16;i++)this.elements[i]=e[i+t];return this}toArray(e=[],t=0){const i=this.elements;return e[t]=i[0],e[t+1]=i[1],e[t+2]=i[2],e[t+3]=i[3],e[t+4]=i[4],e[t+5]=i[5],e[t+6]=i[6],e[t+7]=i[7],e[t+8]=i[8],e[t+9]=i[9],e[t+10]=i[10],e[t+11]=i[11],e[t+12]=i[12],e[t+13]=i[13],e[t+14]=i[14],e[t+15]=i[15],e}}const Jn=new z,Yt=new ft,Pc=new z(0,0,0),Dc=new z(1,1,1),Sn=new z,Wi=new z,Dt=new z,Oa=new ft,Ba=new Ii;class _n{constructor(e=0,t=0,i=0,r=_n.DEFAULT_ORDER){this.isEuler=!0,this._x=e,this._y=t,this._z=i,this._order=r}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,i,r=this._order){return this._x=e,this._y=t,this._z=i,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,i=!0){const r=e.elements,s=r[0],a=r[4],o=r[8],l=r[1],c=r[5],d=r[9],f=r[2],p=r[6],m=r[10];switch(t){case"XYZ":this._y=Math.asin(He(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-d,m),this._z=Math.atan2(-a,s)):(this._x=Math.atan2(p,c),this._z=0);break;case"YXZ":this._x=Math.asin(-He(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(o,m),this._z=Math.atan2(l,c)):(this._y=Math.atan2(-f,s),this._z=0);break;case"ZXY":this._x=Math.asin(He(p,-1,1)),Math.abs(p)<.9999999?(this._y=Math.atan2(-f,m),this._z=Math.atan2(-a,c)):(this._y=0,this._z=Math.atan2(l,s));break;case"ZYX":this._y=Math.asin(-He(f,-1,1)),Math.abs(f)<.9999999?(this._x=Math.atan2(p,m),this._z=Math.atan2(l,s)):(this._x=0,this._z=Math.atan2(-a,c));break;case"YZX":this._z=Math.asin(He(l,-1,1)),Math.abs(l)<.9999999?(this._x=Math.atan2(-d,c),this._y=Math.atan2(-f,s)):(this._x=0,this._y=Math.atan2(o,m));break;case"XZY":this._z=Math.asin(-He(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(p,c),this._y=Math.atan2(o,s)):(this._x=Math.atan2(-d,m),this._y=0);break;default:console.warn("THREE.Euler: .setFromRotationMatrix() encountered an unknown order: "+t)}return this._order=t,i===!0&&this._onChangeCallback(),this}setFromQuaternion(e,t,i){return Oa.makeRotationFromQuaternion(e),this.setFromRotationMatrix(Oa,t,i)}setFromVector3(e,t=this._order){return this.set(e.x,e.y,e.z,t)}reorder(e){return Ba.setFromEuler(this),this.setFromQuaternion(Ba,e)}equals(e){return e._x===this._x&&e._y===this._y&&e._z===this._z&&e._order===this._order}fromArray(e){return this._x=e[0],this._y=e[1],this._z=e[2],e[3]!==void 0&&(this._order=e[3]),this._onChangeCallback(),this}toArray(e=[],t=0){return e[t]=this._x,e[t+1]=this._y,e[t+2]=this._z,e[t+3]=this._order,e}_onChange(e){return this._onChangeCallback=e,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._order}}_n.DEFAULT_ORDER="XYZ";class qo{constructor(){this.mask=1}set(e){this.mask=(1<<e|0)>>>0}enable(e){this.mask|=1<<e|0}enableAll(){this.mask=-1}toggle(e){this.mask^=1<<e|0}disable(e){this.mask&=~(1<<e|0)}disableAll(){this.mask=0}test(e){return(this.mask&e.mask)!==0}isEnabled(e){return(this.mask&(1<<e|0))!==0}}let Ic=0;const za=new z,Qn=new Ii,cn=new ft,Xi=new z,yi=new z,Lc=new z,Uc=new Ii,Ha=new z(1,0,0),Ga=new z(0,1,0),Va=new z(0,0,1),ka={type:"added"},Nc={type:"removed"},ei={type:"childadded",child:null},Fr={type:"childremoved",child:null};class Ut extends bn{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:Ic++}),this.uuid=Di(),this.name="",this.type="Object3D",this.parent=null,this.children=[],this.up=Ut.DEFAULT_UP.clone();const e=new z,t=new _n,i=new Ii,r=new z(1,1,1);function s(){i.setFromEuler(t,!1)}function a(){t.setFromQuaternion(i,void 0,!1)}t._onChange(s),i._onChange(a),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:e},rotation:{configurable:!0,enumerable:!0,value:t},quaternion:{configurable:!0,enumerable:!0,value:i},scale:{configurable:!0,enumerable:!0,value:r},modelViewMatrix:{value:new ft},normalMatrix:{value:new Ue}}),this.matrix=new ft,this.matrixWorld=new ft,this.matrixAutoUpdate=Ut.DEFAULT_MATRIX_AUTO_UPDATE,this.matrixWorldAutoUpdate=Ut.DEFAULT_MATRIX_WORLD_AUTO_UPDATE,this.matrixWorldNeedsUpdate=!1,this.layers=new qo,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.customDepthMaterial=void 0,this.customDistanceMaterial=void 0,this.userData={}}onBeforeShadow(){}onAfterShadow(){}onBeforeRender(){}onAfterRender(){}applyMatrix4(e){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(e),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(e){return this.quaternion.premultiply(e),this}setRotationFromAxisAngle(e,t){this.quaternion.setFromAxisAngle(e,t)}setRotationFromEuler(e){this.quaternion.setFromEuler(e,!0)}

6setRotationFromMatrix(e){this.quaternion.setFromRotationMatrix(e)}setRotationFromQuaternion(e){this.quaternion.copy(e)}rotateOnAxis(e,t){return Qn.setFromAxisAngle(e,t),this.quaternion.multiply(Qn),this}rotateOnWorldAxis(e,t){return Qn.setFromAxisAngle(e,t),this.quaternion.premultiply(Qn),this}rotateX(e){return this.rotateOnAxis(Ha,e)}rotateY(e){return this.rotateOnAxis(Ga,e)}rotateZ(e){return this.rotateOnAxis(Va,e)}translateOnAxis(e,t){return za.copy(e).applyQuaternion(this.quaternion),this.position.add(za.multiplyScalar(t)),this}translateX(e){return this.translateOnAxis(Ha,e)}translateY(e){return this.translateOnAxis(Ga,e)}translateZ(e){return this.translateOnAxis(Va,e)}localToWorld(e){return this.updateWorldMatrix(!0,!1),e.applyMatrix4(this.matrixWorld)}worldToLocal(e){return this.updateWorldMatrix(!0,!1),e.applyMatrix4(cn.copy(this.matrixWorld).invert())}lookAt(e,t,i){e.isVector3?Xi.copy(e):Xi.set(e,t,i);const r=this.parent;this.updateWorldMatrix(!0,!1),yi.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?cn.lookAt(yi,Xi,this.up):cn.lookAt(Xi,yi,this.up),this.quaternion.setFromRotationMatrix(cn),r&&(cn.extractRotation(r.matrixWorld),Qn.setFromRotationMatrix(cn),this.quaternion.premultiply(Qn.invert()))}add(e){if(arguments.length>1){for(let t=0;t<arguments.length;t++)this.add(arguments[t]);return this}return e===this?(console.error("THREE.Object3D.add: object can't be added as a child of itself.",e),this):(e&&e.isObject3D?(e.removeFromParent(),e.parent=this,this.children.push(e),e.dispatchEvent(ka),ei.child=e,this.dispatchEvent(ei),ei.child=null):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",e),this)}remove(e){if(arguments.length>1){for(let i=0;i<arguments.length;i++)this.remove(arguments[i]);return this}const t=this.children.indexOf(e);return t!==-1&&(e.parent=null,this.children.splice(t,1),e.dispatchEvent(Nc),Fr.child=e,this.dispatchEvent(Fr),Fr.child=null),this}removeFromParent(){const e=this.parent;return e!==null&&e.remove(this),this}clear(){return this.remove(...this.children)}attach(e){return this.updateWorldMatrix(!0,!1),cn.copy(this.matrixWorld).invert(),e.parent!==null&&(e.parent.updateWorldMatrix(!0,!1),cn.multiply(e.parent.matrixWorld)),e.applyMatrix4(cn),e.removeFromParent(),e.parent=this,this.children.push(e),e.updateWorldMatrix(!1,!0),e.dispatchEvent(ka),ei.child=e,this.dispatchEvent(ei),ei.child=null,this}getObjectById(e){return this.getObjectByProperty("id",e)}getObjectByName(e){return this.getObjectByProperty("name",e)}getObjectByProperty(e,t){if(this[e]===t)return this;for(let i=0,r=this.children.length;i<r;i++){const a=this.children[i].getObjectByProperty(e,t);if(a!==void 0)return a}}getObjectsByProperty(e,t,i=[]){this[e]===t&&i.push(this);const r=this.children;for(let s=0,a=r.length;s<a;s++)r[s].getObjectsByProperty(e,t,i);return i}getWorldPosition(e){return this.updateWorldMatrix(!0,!1),e.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(yi,e,Lc),e}getWorldScale(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(yi,Uc,e),e}getWorldDirection(e){this.updateWorldMatrix(!0,!1);const t=this.matrixWorld.elements;return e.set(t[8],t[9],t[10]).normalize()}raycast(){}traverse(e){e(this);const t=this.children;for(let i=0,r=t.length;i<r;i++)t[i].traverse(e)}traverseVisible(e){if(this.visible===!1)return;e(this);const t=this.children;for(let i=0,r=t.length;i<r;i++)t[i].traverseVisible(e)}traverseAncestors(e){const t=this.parent;t!==null&&(e(t),t.traverseAncestors(e))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale),this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(e){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||e)&&(this.matrixWorldAutoUpdate===!0&&(this.parent===null?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix)),this.matrixWorldNeedsUpdate=!1,e=!0);const t=this.children;for(let i=0,r=t.length;i<r;i++)t[i].updateMatrixWorld(e)}updateWorldMatrix(e,t){const i=this.parent;if(e===!0&&i!==null&&i.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),this.matrixWorldAutoUpdate===!0&&(this.parent===null?this.matrixWorld.copy(this.matrix

6):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix)),t===!0){const r=this.children;for(let s=0,a=r.length;s<a;s++)r[s].updateWorldMatrix(!1,!0)}}toJSON(e){const t=e===void 0||typeof e=="string",i={};t&&(e={geometries:{},materials:{},textures:{},images:{},shapes:{},skeletons:{},animations:{},nodes:{}},i.metadata={version:4.7,type:"Object",generator:"Object3D.toJSON"});const r={};r.uuid=this.uuid,r.type=this.type,this.name!==""&&(r.name=this.name),this.castShadow===!0&&(r.castShadow=!0),this.receiveShadow===!0&&(r.receiveShadow=!0),this.visible===!1&&(r.visible=!1),this.frustumCulled===!1&&(r.frustumCulled=!1),this.renderOrder!==0&&(r.renderOrder=this.renderOrder),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.matrixAutoUpdate===!1&&(r.matrixAutoUpdate=!1),this.isInstancedMesh&&(r.type="InstancedMesh",r.count=this.count,r.instanceMatrix=this.instanceMatrix.toJSON(),this.instanceColor!==null&&(r.instanceColor=this.instanceColor.toJSON())),this.isBatchedMesh&&(r.type="BatchedMesh",r.perObjectFrustumCulled=this.perObjectFrustumCulled,r.sortObjects=this.sortObjects,r.drawRanges=this._drawRanges,r.reservedRanges=this._reservedRanges,r.geometryInfo=this._geometryInfo.map(o=>({...o,boundingBox:o.boundingBox?o.boundingBox.toJSON():void 0,boundingSphere:o.boundingSphere?o.boundingSphere.toJSON():void 0})),r.instanceInfo=this._instanceInfo.map(o=>({...o})),r.availableInstanceIds=this._availableInstanceIds.slice(),r.availableGeometryIds=this._availableGeometryIds.slice(),r.nextIndexStart=this._nextIndexStart,r.nextVertexStart=this._nextVertexStart,r.geometryCount=this._geometryCount,r.maxInstanceCount=this._maxInstanceCount,r.maxVertexCount=this._maxVertexCount,r.maxIndexCount=this._maxIndexCount,r.geometryInitialized=this._geometryInitialized,r.matricesTexture=this._matricesTexture.toJSON(e),r.indirectTexture=this._indirectTexture.toJSON(e),this._colorsTexture!==null&&(r.colorsTexture=this._colorsTexture.toJSON(e)),this.boundingSphere!==null&&(r.boundingSphere=this.boundingSphere.toJSON()),this.boundingBox!==null&&(r.boundingBox=this.boundingBox.toJSON()));function s(o,l){return o[l.uuid]===void 0&&(o[l.uuid]=l.toJSON(e)),l.uuid}if(this.isScene)this.background&&(this.background.isColor?r.background=this.background.toJSON():this.background.isTexture&&(r.background=this.background.toJSON(e).uuid)),this.environment&&this.environment.isTexture&&this.environment.isRenderTargetTexture!==!0&&(r.environment=this.environment.toJSON(e).uuid);else if(this.isMesh||this.isLine||this.isPoints){r.geometry=s(e.geometries,this.geometry);const o=this.geometry.parameters;if(o!==void 0&&o.shapes!==void 0){const l=o.shapes;if(Array.isArray(l))for(let c=0,d=l.length;c<d;c++){const f=l[c];s(e.shapes,f)}else s(e.shapes,l)}}if(this.isSkinnedMesh&&(r.bindMode=this.bindMode,r.bindMatrix=this.bindMatrix.toArray(),this.skeleton!==void 0&&(s(e.skeletons,this.skeleton),r.skeleton=this.skeleton.uuid)),this.material!==void 0)if(Array.isArray(this.material)){const o=[];for(let l=0,c=this.material.length;l<c;l++)o.push(s(e.materials,this.material[l]));r.material=o}else r.material=s(e.materials,this.material);if(this.children.length>0){r.children=[];for(let o=0;o<this.children.length;o++)r.children.push(this.children[o].toJSON(e).object)}if(this.animations.length>0){r.animations=[];for(let o=0;o<this.animations.length;o++){const l=this.animations[o];r.animations.push(s(e.animations,l))}}if(t){const o=a(e.geometries),l=a(e.materials),c=a(e.textures),d=a(e.images),f=a(e.shapes),p=a(e.skeletons),m=a(e.animations),x=a(e.nodes);o.length>0&&(i.geometries=o),l.length>0&&(i.materials=l),c.length>0&&(i.textures=c),d.length>0&&(i.images=d),f.length>0&&(i.shapes=f),p.length>0&&(i.skeletons=p),m.length>0&&(i.animations=m),x.length>0&&(i.nodes=x)}return i.object=r,i;function a(o){const l=[];for(const c in o){const d=o[c];delete d.metadata,l.push(d)}return l}}clone(e){return new this.constructor().copy(this,e)}copy(e,t=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldAutoUpdate=e.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.animations=e.animations.slice(),this.userData=JSON.parse(JSON.stringify(e.userData)),t===!0)for(let i=0;i<e.children.length;i++){const r=e.children[i];this.add(r.clone())}return this}}Ut.DEFAULT_UP=new z(0,1,0);

6Ut.DEFAULT_MATRIX_AUTO_UPDATE=!0;Ut.DEFAULT_MATRIX_WORLD_AUTO_UPDATE=!0;const Kt=new z,un=new z,Or=new z,dn=new z,ti=new z,ni=new z,Wa=new z,Br=new z,zr=new z,Hr=new z,Gr=new ut,Vr=new ut,kr=new ut;class $t{constructor(e=new z,t=new z,i=new z){this.a=e,this.b=t,this.c=i}static getNormal(e,t,i,r){r.subVectors(i,t),Kt.subVectors(e,t),r.cross(Kt);const s=r.lengthSq();return s>0?r.multiplyScalar(1/Math.sqrt(s)):r.set(0,0,0)}static getBarycoord(e,t,i,r,s){Kt.subVectors(r,t),un.subVectors(i,t),Or.subVectors(e,t);const a=Kt.dot(Kt),o=Kt.dot(un),l=Kt.dot(Or),c=un.dot(un),d=un.dot(Or),f=a*c-o*o;if(f===0)return s.set(0,0,0),null;const p=1/f,m=(c*l-o*d)*p,x=(a*d-o*l)*p;return s.set(1-m-x,x,m)}static containsPoint(e,t,i,r){return this.getBarycoord(e,t,i,r,dn)===null?!1:dn.x>=0&&dn.y>=0&&dn.x+dn.y<=1}static getInterpolation(e,t,i,r,s,a,o,l){return this.getBarycoord(e,t,i,r,dn)===null?(l.x=0,l.y=0,"z"in l&&(l.z=0),"w"in l&&(l.w=0),null):(l.setScalar(0),l.addScaledVector(s,dn.x),l.addScaledVector(a,dn.y),l.addScaledVector(o,dn.z),l)}static getInterpolatedAttribute(e,t,i,r,s,a){return Gr.setScalar(0),Vr.setScalar(0),kr.setScalar(0),Gr.fromBufferAttribute(e,t),Vr.fromBufferAttribute(e,i),kr.fromBufferAttribute(e,r),a.setScalar(0),a.addScaledVector(Gr,s.x),a.addScaledVector(Vr,s.y),a.addScaledVector(kr,s.z),a}static isFrontFacing(e,t,i,r){return Kt.subVectors(i,t),un.subVectors(e,t),Kt.cross(un).dot(r)<0}set(e,t,i){return this.a.copy(e),this.b.copy(t),this.c.copy(i),this}setFromPointsAndIndices(e,t,i,r){return this.a.copy(e[t]),this.b.copy(e[i]),this.c.copy(e[r]),this}setFromAttributeAndIndices(e,t,i,r){return this.a.fromBufferAttribute(e,t),this.b.fromBufferAttribute(e,i),this.c.fromBufferAttribute(e,r),this}clone(){return new this.constructor().copy(this)}copy(e){return this.a.copy(e.a),this.b.copy(e.b),this.c.copy(e.c),this}getArea(){return Kt.subVectors(this.c,this.b),un.subVectors(this.a,this.b),Kt.cross(un).length()*.5}getMidpoint(e){return e.addVectors(this.a,this.b).add(this.c).multiplyScalar(1/3)}getNormal(e){return $t.getNormal(this.a,this.b,this.c,e)}getPlane(e){return e.setFromCoplanarPoints(this.a,this.b,this.c)}getBarycoord(e,t){return $t.getBarycoord(e,this.a,this.b,this.c,t)}getInterpolation(e,t,i,r,s){return $t.getInterpolation(e,this.a,this.b,this.c,t,i,r,s)}containsPoint(e){return $t.containsPoint(e,this.a,this.b,this.c)}isFrontFacing(e){return $t.isFrontFacing(this.a,this.b,this.c,e)}intersectsBox(e){return e.intersectsTriangle(this)}closestPointToPoint(e,t){const i=this.a,r=this.b,s=this.c;let a,o;ti.subVectors(r,i),ni.subVectors(s,i),Br.subVectors(e,i);const l=ti.dot(Br),c=ni.dot(Br);if(l<=0&&c<=0)return t.copy(i);zr.subVectors(e,r);const d=ti.dot(zr),f=ni.dot(zr);if(d>=0&&f<=d)return t.copy(r);const p=l*f-d*c;if(p<=0&&l>=0&&d<=0)return a=l/(l-d),t.copy(i).addScaledVector(ti,a);Hr.subVectors(e,s);const m=ti.dot(Hr),x=ni.dot(Hr);if(x>=0&&m<=x)return t.copy(s);const M=m*c-l*x;if(M<=0&&c>=0&&x<=0)return o=c/(c-x),t.copy(i).addScaledVector(ni,o);const h=d*x-m*f;if(h<=0&&f-d>=0&&m-x>=0)return Wa.subVectors(s,r),o=(f-d)/(f-d+(m-x)),t.copy(r).addScaledVector(Wa,o);const u=1/(h+M+p);return a=M*u,o=p*u,t.copy(i).addScaledVector(ti,a).addScaledVector(ni,o)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}}const Yo={aliceblue:15792383,antiquewhite:16444375,aqua:65535,aquamarine:8388564,azure:15794175,beige:16119260,bisque:16770244,black:0,blanchedalmond:16772045,blue:255,blueviolet:9055202,brown:10824234,burlywood:14596231,cadetblue:6266528,chartreuse:8388352,chocolate:13789470,coral:16744272,cornflowerblue:6591981,cornsilk:16775388,crimson:14423100,cyan:65535,darkblue:139,darkcyan:35723,darkgoldenrod:12092939,darkgray:11119017,darkgreen:25600,darkgrey:11119017,darkkhaki:12433259,darkmagenta:9109643,darkolivegreen:5597999,darkorange:16747520,darkorchid:10040012,darkred:9109504,darksalmon:15308410,darkseagreen:9419919,darkslateblue:4734347,darkslategray:3100495,darkslategrey:3100495,darkturquoise:52945,darkviolet:9699539,deeppink:16716947,deepskyblue:49151,dimgray:6908265,dimgrey:6908265,dodgerblue:2003199,firebrick:11674146,floralwhite:16775920,forestgreen:2263842,fuchsia:16711935,gainsboro:14474460,ghostwhite:16316671,gold:16766720,goldenrod:14329120,gray:8421504,green:32768,greenyellow:11403055,grey:8421504,honeydew:15794160,hotpink:16738740,indianred:13458524,indigo:4915330,ivory:16777200,khaki:15787660,lavender:15132410,lavenderblush:16773365,lawngreen:8190976,lemonchiffon:16775885,lightblue:11393254,lightcoral:15761536,lightcyan:14745599,lightgoldenrodyellow:16448210,lightgray:13882323,lightgreen:9498256,lightgrey:13882323,lightpink:16758465,lightsalmon:16752762,lightseagreen:2142890,lightskyblue:8900346,lightslategray:7833753,lightslategrey:7833753,lightsteelblue:11584734,lightyellow:16777184,lime:65280,limegreen:3329330,linen:16445670,magenta:16711935,maroon:8388608,mediumaquamarine:6737322,mediumblue:205,mediumorchid:12211667,mediumpurple:9662683,mediumseagreen:3978097,mediumslateblue:8087790,mediumspringgreen:64154,mediumturquoise:4772300,mediumvioletred:13047173,midnightblue:1644912,mintcream:16121850,mistyrose:16770273,moccasin:16770229,navajowhite:16768685,navy:128,oldlace:16643558,olive:8421376,olivedrab:7048739,orange:16753920,orangered:16729344,orchid:14315734,palegoldenrod:15657130,palegreen:10025880,paleturquoise:11529966,palevioletred:14381203,papayawhip:16773077,peachpuff:16767673,peru:13468991,pink:16761035,plum:14524637,powderblue:11591910,purple:8388736,rebeccapurple:6697881,red:16711680,rosybrown:12357519,royalblue:4286945,saddlebrown:9127187,salmon:16416882,sandybrown:16032864,seagreen:3050327,seashell:16774638,sienna:10506797,silver:12632256,skyblue:8900331,slateblue:6970061,slategray:7372944,slategrey:7372944,snow:16775930,springgreen:65407,steelblue:4620980,tan:13808780,teal:32896,thistle:14204888,tomato:16737095,turquoise:4251856,violet:15631086,wheat:16113331,white:16777215,whitesmoke:16119285,yellow:16776960,yellowgreen:10145074},Mn={h:0,s:0,l:0},qi={h:0,s:0,l:0};function Wr(n,e,t){return t<0&&(t+=1),t>1&&(t-=1),t<1/6?n+(e-n)*6*t:t<1/2?e:t<2/3?n+(e-n)*6*(2/3-t):n}class $e{constructor(e,t,i){return this.isColor=!0,this.r=1,this.g=1,this.b=1,this.set(e,t,i)}set(e,t,i){if(t===void 0&&i===void 0){const r=e;r&&r.isColor?this.copy(r):typeof r=="number"?this.setHex(r):typeof r=="string"&&this.setStyle(r)}else this.setRGB(e,t,i);return this}setScalar(e){return this.r=e,this.g=e,this.b=e,this}setHex(e,t=ct){return e=Math.floor(e),this.r=(e>>16&255)/255,this.g=(e>>8&255)/255,this.b=(e&255)/255,We.colorSpaceToWorking(this,t),this}setRGB(e,t,i,r=We.workingColorSpace){return this.r=e,this.g=t,this.b=i,We.colorSpaceToWorking(this,r),this}setHSL(e,t,i,r=We.workingColorSpace){if(e=gc(e,1),t=He(t,0,1),i=He(i,0,1),t===0)this.r=this.g=this.b=i;else{const s=i<=.5?i*(1+t):i+t-i*t,a=2*i-s;this.r=Wr(a,s,e+1/3),this.g=Wr(a,s,e),this.b=Wr(a,s,e-1/3)}return We.colorSpaceToWorking(this,r),this}setStyle(e,t=ct){function i(s){s!==void 0&&parseFloat(s)<1&&console.warn("THREE.Color: Alpha component of "+e+" will be ignored.")}let r;if(r=/^(\w+)\(([^\)]*)\)/.exec(e)){let s;const a=r[1],o=r[2];switch(a){case"rgb":case"rgba":if(s=/^\s*(\d+)\s*,\s*(\d+)\s*,\s*(\d+)\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return i(s[4]),this.setRGB(Math.min(255,parseInt(s[1],10))/255,Math.min(255,parseInt(s[2],10))/255,Math.min(255,parseInt(s[3],10))/255,t);if(s=/^\s*(\d+)\%\s*,\s*(\d+)\%\s*,\s*(\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return i(s[4]),this.setRGB(Math.min(100,parseInt(s[1],10))/100,Math.min(100,parseInt(s[2],10))/100,Math.min(100,parseInt(s[3],10))/100,t);break;case"hsl":case"hsla":if(s=/^\s*(\d*\.?\d+)\s*,\s*(\d*\.?\d+)\%\s*,\s*(\d*\.?\d+)\%\s*(?:,\s*(\d*\.?\d+)\s*)?$/.exec(o))return i(s[4]),this.setHSL(parseFloat(s[1])/360,parseFloat(s[2])/100,parseFloat(s[3])/100,t);break;default:console.warn("THREE.Color: Unknown color model "+e)}}else if(r=/^\#([A-Fa-f\d]+)$/.exec(e)){const s=r[1],a=s.length;if(a===3)return this.setRGB(parseInt(s.charAt(0),16)/15,parseInt(s.charAt(1),16)/15,parseInt(s.charAt(2),16)/15,t);if(a===6)return this.setHex(parseInt(s,16),t);console.warn("THREE.Color: Invalid hex color "+e)}else if(e&&e.length>0)return this.setColorName(e,t);return this}setColorName(e,t=ct){const i=Yo[e.toLowerCase()];return i!==void 0?this.setHex(i,t):console.warn("THREE.Color: Unknown color "+e),this}clone(){return new this.constructor(this.r,this.g,this.b)}copy(e){return this.r=e.r,this.g=e.g,this.b=e.b,this}copySRGBToLinear(e){return this.r=pn(e.r),this.g=pn(e.g),this.b=pn(e.b),this}copyLinearToSRGB(e){return this.r=ui(e.r),this.g=ui(e.g),this.b=ui(e.b),this}convertSRGBToLinear(){return this.copySRGBToLinear(this),this}convertLinearToSRGB(){return this.copyLinearToSRGB(this),this}getHex(e=ct){return We.workingToColorSpace(Et.copy(this),e),Math.round(He(Et.r*255,0,255))*65536+Math.round(He(Et.g*255,0,255))*256+Math.round(He(Et.b*255,0,255))}getHexString(e=ct){return("000000"+this.getHex(e).toString(16)).slice(-6)}getHSL(e,t=We.workingColorSpace){We.workingToColorSpace(Et.copy(this),t);const i=Et.r,r=Et.g,s=Et.b,a=Math.max(i,r,s),o=Math.min(i,r,s);let l,c;const d=(o+a)/2;if(o===a)l=0,c=0;else{const f=a-o;switch(c=d<=.5?f/(a+o):f/(2-a-o),a){case i:l=(r-s)/f+(r<s?6:0);break;case r:l=(s-i)/f+2;break;case s:l=(i-r)/f+4;break}l/=6}return e.h=l,e.s=c,e.l=d,e}getRGB(e,t=We.workingColorSpace){return We.workingToColorSpace(Et.copy(this),t),e.r=Et.r,e.g=Et.g,e.b=Et.b,e}getStyle(e=ct){We.workingToColorSpace(Et.copy(this),e);const t=Et.r,i=Et.g,r=Et.b;return e!==ct?`color(${e} ${t.toFixed(3)} ${i.toFixed(3)} ${r.toFixed(3)})`:`rgb(${Math.round(t*255)},${Math.round(i*255)},${Math.round(r*255)})`}offsetHSL(e,t,i){return this.getHSL(Mn),this.setHSL(Mn.h+e,Mn.s+t,Mn.l+i)}add(e){return this.r+=e.r,this.g+=e.g,this.b+=e.b,this}addColors(e,t){return this.r=e.r+t.r,this.g=e.g+t.g,this.b=e.b+t.b,this}addScalar(e){return this.r+=e,this.g+=e,this.b+=e,this}sub(e){return this.r=Math.max(0,this.r-e.r),this.g=Math.max(0,this.g-e.g),this.b=Math.max(0,this.b-e.b),this}multiply(e){return this.r*=e.r,this.g*=e.g,this.b*=e.b,this}multiplyScalar(e){return this.r*=e,this.g*=e,this.b*=e,this}lerp(e,t){return this.r+=(e.r-this.r)*t,this.g+=(e.g-this.g)*t,this.b+=(e.b-this.b)*t,this}lerpColors(e,t,i){return this.r=e.r+(t.r-e.r)*i,this.g=e.g+(t.g-e.g)*i,this.b=e.b+(t.b-e.b)*i,this}lerpHSL(e,t){this.getHSL(Mn),e.getHSL(qi);const i=Ar(Mn.h,qi.h,t),r=Ar(Mn.s,qi.s,t),s=Ar(Mn.l,qi.l,t);return this.setHSL(i,r,s),this}setFromVector3(e){return this.r=e.x,this.g=e.y,this.b=e.z,this}applyMatrix3(e){const t=this.r,i=this.g,r=this.b,s=e.elements;return this.r=s[0]*t+s[3]*i+s[6]*r,this.g=s[1]*t+s[4]*i+s[7]*r,this.b=s[2]*t+s[5]*i+s[8]*r,this}equals(e){return e.r===this.r&&e.g===this.g&&e.b===this.b}fromArray(e,t=0){return this.r=e[t],this.g=e[t+1],this.b=e[t+2],this}toArray(e=[],t=0){return e[t]=this.r,e[t+1]=this.g,e[t+2]=this.b,e}fromBufferAttribute(e,t){return this.r=e.getX(t),this.g=e.getY(t),this.b=e.getZ(t),this}toJSON(){return this.getHex()}*[Symbol.iterator](){yield this.r,yield this.g,yield this.b}}const Et=new $e;$e.NAMES=Yo;let Fc=0;class gi extends bn{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:Fc++}),this.uuid=Di(),this.name="",this.type="Material",this.blending=li,this.side=mn,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.alphaHash=!1,this.blendSrc=fs,this.blendDst=hs,this.blendEquation=Bn,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.blendColor=new $e(0,0,0),this.blendAlpha=0,this.depthFunc=di,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=Da,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=Yn,this.stencilZFail=Yn,this.stencilZPass=Yn,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.forceSinglePass=!1,this.allowOverride=!0,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(e){this._alphaTest>0!=e>0&&this.version++,this._alphaTest=e}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(e){if(e!==void 0)for(const t in e){const i=e[t];if(i===void 0){console.warn(`THREE.Material: parameter '${t}' has value of undefined.`);continue}const r=this[t];if(r===void 0){console.warn(`THREE.Material: '${t}' is not a property of THREE.${this.type}.`);continue}r&&r.isColor?r.set(i):r&&r.isVector3&&i&&i.isVector3?r.copy(i):this[t]=i}}toJSON(e){const t=e===void 0||typeof e=="string";t&&(e={textures:{},images:{}});const i={metadata:{version:4.7,type:"Material",generator:"Material.toJSON"}};

6i.uuid=this.uuid,i.type=this.type,this.name!==""&&(i.name=this.name),this.color&&this.color.isColor&&(i.color=this.color.getHex()),this.roughness!==void 0&&(i.roughness=this.roughness),this.metalness!==void 0&&(i.metalness=this.metalness),this.sheen!==void 0&&(i.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(i.sheenColor=this.sheenColor.getHex()),this.sheenRoughness!==void 0&&(i.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(i.emissive=this.emissive.getHex()),this.emissiveIntensity!==void 0&&this.emissiveIntensity!==1&&(i.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(i.specular=this.specular.getHex()),this.specularIntensity!==void 0&&(i.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(i.specularColor=this.specularColor.getHex()),this.shininess!==void 0&&(i.shininess=this.shininess),this.clearcoat!==void 0&&(i.clearcoat=this.clearcoat),this.clearcoatRoughness!==void 0&&(i.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(i.clearcoatMap=this.clearcoatMap.toJSON(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(i.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(i.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,i.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.dispersion!==void 0&&(i.dispersion=this.dispersion),this.iridescence!==void 0&&(i.iridescence=this.iridescence),this.iridescenceIOR!==void 0&&(i.iridescenceIOR=this.iridescenceIOR),this.iridescenceThicknessRange!==void 0&&(i.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(i.iridescenceMap=this.iridescenceMap.toJSON(e).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(i.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(e).uuid),this.anisotropy!==void 0&&(i.anisotropy=this.anisotropy),this.anisotropyRotation!==void 0&&(i.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(i.anisotropyMap=this.anisotropyMap.toJSON(e).uuid),this.map&&this.map.isTexture&&(i.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(i.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(i.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(i.lightMap=this.lightMap.toJSON(e).uuid,i.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(i.aoMap=this.aoMap.toJSON(e).uuid,i.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(i.bumpMap=this.bumpMap.toJSON(e).uuid,i.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(i.normalMap=this.normalMap.toJSON(e).uuid,i.normalMapType=this.normalMapType,i.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(i.displacementMap=this.displacementMap.toJSON(e).uuid,i.displacementScale=this.displacementScale,i.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(i.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(i.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(i.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(i.specularMap=this.specularMap.toJSON(e).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(i.specularIntensityMap=this.specularIntensityMap.toJSON(e).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(i.specularColorMap=this.specularColorMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(i.envMap=this.envMap.toJSON(e).uuid,this.combine!==void 0&&(i.combine=this.combine)),this.envMapRotation!==void 0&&(i.envMapRotation=this.envMapRotation.toArray()),this.envMapIntensity!==void 0&&(i.envMapIntensity=this.envMapIntensity),this.reflectivity!==void 0&&(i.reflectivity=this.reflectivity),this.refractionRatio!==void 0&&(i.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(i.gradientMap=this.gradientMap.toJSON(e).uuid),this.transmission!==void 0&&(i.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(i.transmissionMap=this.transmissionMap.toJSON(e).uuid),this.thickness!==void 0&&(i.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(i.thicknessMap=this.thicknessMap.toJSON(e).uuid),this.attenuationDistance!==void 0&&this.attenuationDistance!==1/0&&(i.attenuationDistance=this.attenuationDistance),this.attenuationColor!==void 0&&(i.attenuationColor=this.attenuationColor.getHex()),this.size!==void 0&&(i.size=this.size),this.shadowSide!==null&&(i.shadowSide=this.shadowSide),this.sizeAttenuation!==void 0&&(i.sizeAttenuation=this.sizeAttenuation),this.blending!==li&&(i.blending=this.blending),this.side!==mn&&(i.side=this.side),this.vertexColors===!0&&(i.vertexColors=!0),this.opacity<1&&(i.opacity=this.opacity),this.transparent===!0&&(i.transparent=!0),this.blendSrc!==fs&&(i.blendSrc=this.blendSrc),this.blendDst!==hs&&(i.blendDst=this.blendDst),this.blendEquation!==Bn&&(i.blendEquation=this.blendEquation),this.blendSrcAlpha!==null&&(i.blendSrcAlpha=this.blendSrcAlpha),this.blendDstAlpha!==null&&(i.blendDstAlpha=this.blendDstAlpha),this.blendEquationAlpha!==null&&(i.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(i.blendColor=this.blendColor.getHex()),this.blendAlpha!==0&&(i.blendAlpha=this.blendAlpha),this.depthFunc!==di&&(i.depthFunc=this.depthFunc),this.depthTest===!1&&(i.depthTest=this.depthTest),this.depthWrite===!1&&(i.depthWrite=this.depthWrite),this.colorWrite===!1&&(i.colorWrite=this.colorWrite),this.stencilWriteMask!==255&&(i.stencilWriteMask=this.stencilWriteMask),this.stencilFunc!==Da&&(i.stencilFunc=this.stencilFunc),this.stencilRef!==0&&(i.stencilRef=this.stencilRef),this.stencilFuncMask!==255&&(i.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==Yn&&(i.stencilFail=this.stencilFail),this.stencilZFail!==Yn&&(i.stencilZFail=this.stencilZFail),this.stencilZPass!==Yn&&(i.stencilZPass=this.stencilZPass),this.stencilWrite===!0&&(i.stencilWrite=this.stencilWrite),this.rotation!==void 0&&this.rotation!==0&&(i.rotation=this.rotation),this.polygonOffset===!0&&(i.polygonOffset=!0),this.polygonOffsetFactor!==0&&(i.polygonOffsetFactor=this.polygonOffsetFactor),this.polygonOffsetUnits!==0&&(i.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth!==void 0&&this.linewidth!==1&&(i.linewidth=this.linewidth),this.dashSize!==void 0&&(i.dashSize=this.dashSize),this.gapSize!==void 0&&(i.gapSize=this.gapSize),this.scale!==void 0&&(i.scale=this.scale),this.dithering===!0&&(i.dithering=!0),this.alphaTest>0&&(i.alphaTest=this.alphaTest),this.alphaHash===!0&&(i.alphaHash=!0),this.alphaToCoverage===!0&&(i.alphaToCoverage=!0),this.premultipliedAlpha===!0&&(i.premultipliedAlpha=!0),this.forceSinglePass===!0&&(i.forceSinglePass=!0),this.wireframe===!0&&(i.wireframe=!0),this.wireframeLinewidth>1&&(i.wireframeLinewidth=this.wireframeLinewidth),this.wireframeLinecap!=="round"&&(i.wireframeLinecap=this.wireframeLinecap),this.wireframeLinejoin!=="round"&&(i.wireframeLinejoin=this.wireframeLinejoin),this.flatShading===!0&&(i.flatShading=!0),this.visible===!1&&(i.visible=!1),this.toneMapped===!1&&(i.toneMapped=!1),this.fog===!1&&(i.fog=!1),Object.keys(this.userData).length>0&&(i.userData=this.userData);function r(s){const a=[];for(const o in s){const l=s[o];delete l.metadata,a.push(l)}return a}if(t){const s=r(e.textures),a=r(e.images);s.length>0&&(i.textures=s),a.length>0&&(i.images=a)}return i}clone(){return new this.constructor().copy(this)}copy(e){this.name=e.name,this.blending=e.blending,this.side=e.side,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.blendColor.copy(e.blendColor),this.blendAlpha=e.blendAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;const t=e.clippingPlanes;let i=null;if(t!==null){const r=t.length;i=new Array(r);for(let s=0;s!==r;++s)i[s]=t[s].clone()}return this.clippingPlanes=i,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipShadows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.alphaHash=e.alphaHash,this.alphaToCoverage=e.alphaToCoverage,this.premultipliedAlpha=e.premultipliedAlpha,this.forceSinglePass=e.forceSinglePass,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this}dispose(){this.dispatchEvent({type:"dispose"})}set needsUpdate(e){e===!0&&this.version++}}class Ko extends gi{constructor(e){super(),this.isMeshBasicMaterial=!0,this.type="MeshBasicMaterial",this.color=new $e(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 _n,this.combine=Lo,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap="round",this.wireframeLinejoin="round",this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapRotation.copy(e.envMapRotation),this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.fog=e.fog,this}}const dt=new z,Yi=new Oe;let Oc=0;class Vt{constructor(e,t,i=!1){if(Array.isArray(e))throw new TypeError("THREE.BufferAttribute: array should be a Typed Array.");this.isBufferAttribute=!0,Object.defineProperty(this,"id",{value:Oc++}),this.name="",this.array=e,this.itemSize=t,this.count=e!==void 0?e.length/t:0,this.normalized=i,this.usage=Ia,this.updateRanges=[],this.gpuType=nn,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,i){e*=this.itemSize,i*=t.itemSize;for(let r=0,s=this.itemSize;r<s;r++)this.array[e+r]=t.array[i+r];return this}copyArray(e){return this.array.set(e),this}applyMatrix3(e){if(this.itemSize===2)for(let t=0,i=this.count;t<i;t++)Yi.fromBufferAttribute(this,t),Yi.applyMatrix3(e),this.setXY(t,Yi.x,Yi.y);else if(this.itemSize===3)for(let t=0,i=this.count;t<i;t++)dt.fromBufferAttribute(this,t),dt.applyMatrix3(e),this.setXYZ(t,dt.x,dt.y,dt.z);return this}applyMatrix4(e){for(let t=0,i=this.count;t<i;t++)dt.fromBufferAttribute(this,t),dt.applyMatrix4(e),this.setXYZ(t,dt.x,dt.y,dt.z);return this}applyNormalMatrix(e){for(let t=0,i=this.count;t<i;t++)dt.fromBufferAttribute(this,t),dt.applyNormalMatrix(e),this.setXYZ(t,dt.x,dt.y,dt.z);return this}transformDirection(e){for(let t=0,i=this.count;t<i;t++)dt.fromBufferAttribute(this,t),dt.transformDirection(e),this.setXYZ(t,dt.x,dt.y,dt.z);return this}set(e,t=0){return this.array.set(e,t),this}getComponent(e,t){let i=this.array[e*this.itemSize+t];return this.normalized&&(i=Mi(i,this.array)),i}setComponent(e,t,i){return this.normalized&&(i=Ct(i,this.array)),this.array[e*this.itemSize+t]=i,this}getX(e){let t=this.array[e*this.itemSize];return this.normalized&&(t=Mi(t,this.array)),t}setX(e,t){return this.normalized&&(t=Ct(t,this.array)),this.array[e*this.itemSize]=t,this}getY(e){let t=this.array[e*this.itemSize+1];return this.normalized&&(t=Mi(t,this.array)),t}setY(e,t){return this.normalized&&(t=Ct(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=Mi(t,this.array)),t}setZ(e,t){return this.normalized&&(t=Ct(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=Mi(t,this.array)),t}setW(e,t){return this.normalized&&(t=Ct(t,this.array)),this.array[e*this.itemSize+3]=t,this}setXY(e,t,i){return e*=this.itemSize,this.normalized&&(t=Ct(t,this.array),i=Ct(i,this.array)),this.array[e+0]=t,this.array[e+1]=i,this}setXYZ(e,t,i,r){return e*=this.itemSize,this.normalized&&(t=Ct(t,this.array),i=Ct(i,this.array),r=Ct(r,this.array)),this.array[e+0]=t,this.array[e+1]=i,this.array[e+2]=r,this}setXYZW(e,t,i,r,s){return e*=this.itemSize,this.normalized&&(t=Ct(t,this.array),i=Ct(i,this.array),r=Ct(r,this.array),s=Ct(s,this.array)),this.array[e+0]=t,this.array[e+1]=i,this.array[e+2]=r,this.array[e+3]=s,this}

6onUpload(e){return this.onUploadCallback=e,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){const e={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.from(this.array),normalized:this.normalized};return this.name!==""&&(e.name=this.name),this.usage!==Ia&&(e.usage=this.usage),e}}class $o extends Vt{constructor(e,t,i){super(new Uint16Array(e),t,i)}}class Zo extends Vt{constructor(e,t,i){super(new Uint32Array(e),t,i)}}class Vn extends Vt{constructor(e,t,i){super(new Float32Array(e),t,i)}}let Bc=0;const zt=new ft,Xr=new Ut,ii=new z,It=new Li,bi=new Li,_t=new z;class An extends bn{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:Bc++}),this.uuid=Di(),this.name="",this.type="BufferGeometry",this.index=null,this.indirect=null,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={}}getIndex(){return this.index}setIndex(e){return Array.isArray(e)?this.index=new(Wo(e)?Zo:$o)(e,1):this.index=e,this}setIndirect(e){return this.indirect=e,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,i=0){this.groups.push({start:e,count:t,materialIndex:i})}clearGroups(){this.groups=[]}setDrawRange(e,t){this.drawRange.start=e,this.drawRange.count=t}applyMatrix4(e){const t=this.attributes.position;t!==void 0&&(t.applyMatrix4(e),t.needsUpdate=!0);const i=this.attributes.normal;if(i!==void 0){const s=new Ue().getNormalMatrix(e);i.applyNormalMatrix(s),i.needsUpdate=!0}const r=this.attributes.tangent;return r!==void 0&&(r.transformDirection(e),r.needsUpdate=!0),this.boundingBox!==null&&this.computeBoundingBox(),this.boundingSphere!==null&&this.computeBoundingSphere(),this}applyQuaternion(e){return zt.makeRotationFromQuaternion(e),this.applyMatrix4(zt),this}rotateX(e){return zt.makeRotationX(e),this.applyMatrix4(zt),this}rotateY(e){return zt.makeRotationY(e),this.applyMatrix4(zt),this}rotateZ(e){return zt.makeRotationZ(e),this.applyMatrix4(zt),this}translate(e,t,i){return zt.makeTranslation(e,t,i),this.applyMatrix4(zt),this}scale(e,t,i){return zt.makeScale(e,t,i),this.applyMatrix4(zt),this}lookAt(e){return Xr.lookAt(e),Xr.updateMatrix(),this.applyMatrix4(Xr.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(ii).negate(),this.translate(ii.x,ii.y,ii.z),this}setFromPoints(e){const t=this.getAttribute("position");if(t===void 0){const i=[];for(let r=0,s=e.length;r<s;r++){const a=e[r];i.push(a.x,a.y,a.z||0)}this.setAttribute("position",new Vn(i,3))}else{const i=Math.min(e.length,t.count);for(let r=0;r<i;r++){const s=e[r];t.setXYZ(r,s.x,s.y,s.z||0)}e.length>t.count&&console.warn("THREE.BufferGeometry: Buffer size too small for points data. Use .dispose() and create a new geometry."),t.needsUpdate=!0}return this}computeBoundingBox(){this.boundingBox===null&&(this.boundingBox=new Li);const e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute){console.error("THREE.BufferGeometry.computeBoundingBox(): GLBufferAttribute requires a manual bounding box.",this),this.boundingBox.set(new z(-1/0,-1/0,-1/0),new z(1/0,1/0,1/0));return}if(e!==void 0){if(this.boundingBox.setFromBufferAttribute(e),t)for(let i=0,r=t.length;i<r;i++){const s=t[i];It.setFromBufferAttribute(s),this.morphTargetsRelative?(_t.addVectors(this.boundingBox.min,It.min),this.boundingBox.expandByPoint(_t),_t.addVectors(this.boundingBox.max,It.max),this.boundingBox.expandByPoint(_t)):(this.boundingBox.expandByPoint(It.min),this.boundingBox.expandByPoint(It.max))}}else this.boundingBox.makeEmpty();(isNaN(this.boundingBox.min.x)||isNaN(this.boundingBox.min.y)||isNaN(this.boundingBox.min.z))&&console.error('THREE.BufferGeometry.computeBoundingBox(): Computed min/max have NaN values. The "position" attribute is likely to have NaN values.',this)}computeBoundingSphere(){this.boundingSphere===null&&(this.boundingSphere=new da);const e=this.attributes.position,t=this.morphAttributes.position;if(e&&e.isGLBufferAttribute){console.error("THREE.BufferGeometry.computeBoundingSphere(): GLBufferAttribute requires a manual bounding sphere.",this),this.boundingSphere.set(new z,1/0);return}if(e){const i=this.boundingSphere.center;if(It.setFromBufferAttribute(e),t)for(let s=0,a=t.length;s<a;s++){const o=t[s];bi.setFromBufferAttribute(o),this.morphTargetsRelative?(_t.addVectors(It.min,bi.min),It.expandByPoint(_t),_t.addVectors(It.max,bi.max),It.expandByPoint(_t)):(It.expandByPoint(bi.min),It.expandByPoint(bi.max))}It.getCenter(i);let r=0;for(let s=0,a=e.count;s<a;

6s++)_t.fromBufferAttribute(e,s),r=Math.max(r,i.distanceToSquared(_t));if(t)for(let s=0,a=t.length;s<a;s++){const o=t[s],l=this.morphTargetsRelative;for(let c=0,d=o.count;c<d;c++)_t.fromBufferAttribute(o,c),l&&(ii.fromBufferAttribute(e,c),_t.add(ii)),r=Math.max(r,i.distanceToSquared(_t))}this.boundingSphere.radius=Math.sqrt(r),isNaN(this.boundingSphere.radius)&&console.error('THREE.BufferGeometry.computeBoundingSphere(): Computed radius is NaN. The "position" attribute is likely to have NaN values.',this)}}computeTangents(){const e=this.index,t=this.attributes;if(e===null||t.position===void 0||t.normal===void 0||t.uv===void 0){console.error("THREE.BufferGeometry: .computeTangents() failed. Missing required attributes (index, position, normal or uv)");return}const i=t.position,r=t.normal,s=t.uv;this.hasAttribute("tangent")===!1&&this.setAttribute("tangent",new Vt(new Float32Array(4*i.count),4));const a=this.getAttribute("tangent"),o=[],l=[];for(let U=0;U<i.count;U++)o[U]=new z,l[U]=new z;const c=new z,d=new z,f=new z,p=new Oe,m=new Oe,x=new Oe,M=new z,h=new z;function u(U,g,S){c.fromBufferAttribute(i,U),d.fromBufferAttribute(i,g),f.fromBufferAttribute(i,S),p.fromBufferAttribute(s,U),m.fromBufferAttribute(s,g),x.fromBufferAttribute(s,S),d.sub(c),f.sub(c),m.sub(p),x.sub(p);const w=1/(m.x*x.y-x.x*m.y);isFinite(w)&&(M.copy(d).multiplyScalar(x.y).addScaledVector(f,-m.y).multiplyScalar(w),h.copy(f).multiplyScalar(m.x).addScaledVector(d,-x.x).multiplyScalar(w),o[U].add(M),o[g].add(M),o[S].add(M),l[U].add(h),l[g].add(h),l[S].add(h))}let T=this.groups;T.length===0&&(T=[{start:0,count:e.count}]);for(let U=0,g=T.length;U<g;++U){const S=T[U],w=S.start,X=S.count;for(let O=w,H=w+X;O<H;O+=3)u(e.getX(O+0),e.getX(O+1),e.getX(O+2))}const y=new z,E=new z,L=new z,A=new z;function C(U){L.fromBufferAttribute(r,U),A.copy(L);const g=o[U];y.copy(g),y.sub(L.multiplyScalar(L.dot(g))).normalize(),E.crossVectors(A,g);const w=E.dot(l[U])<0?-1:1;a.setXYZW(U,y.x,y.y,y.z,w)}for(let U=0,g=T.length;U<g;++U){const S=T[U],w=S.start,X=S.count;for(let O=w,H=w+X;O<H;O+=3)C(e.getX(O+0)),C(e.getX(O+1)),C(e.getX(O+2))}}computeVertexNormals(){const e=this.index,t=this.getAttribute("position");if(t!==void 0){let i=this.getAttribute("normal");if(i===void 0)i=new Vt(new Float32Array(t.count*3),3),this.setAttribute("normal",i);else for(let p=0,m=i.count;p<m;p++)i.setXYZ(p,0,0,0);const r=new z,s=new z,a=new z,o=new z,l=new z,c=new z,d=new z,f=new z;if(e)for(let p=0,m=e.count;p<m;p+=3){const x=e.getX(p+0),M=e.getX(p+1),h=e.getX(p+2);r.fromBufferAttribute(t,x),s.fromBufferAttribute(t,M),a.fromBufferAttribute(t,h),d.subVectors(a,s),f.subVectors(r,s),d.cross(f),o.fromBufferAttribute(i,x),l.fromBufferAttribute(i,M),c.fromBufferAttribute(i,h),o.add(d),l.add(d),c.add(d),i.setXYZ(x,o.x,o.y,o.z),i.setXYZ(M,l.x,l.y,l.z),i.setXYZ(h,c.x,c.y,c.z)}else for(let p=0,m=t.count;p<m;p+=3)r.fromBufferAttribute(t,p+0),s.fromBufferAttribute(t,p+1),a.fromBufferAttribute(t,p+2),d.subVectors(a,s),f.subVectors(r,s),d.cross(f),i.setXYZ(p+0,d.x,d.y,d.z),i.setXYZ(p+1,d.x,d.y,d.z),i.setXYZ(p+2,d.x,d.y,d.z);this.normalizeNormals(),i.needsUpdate=!0}}normalizeNormals(){const e=this.attributes.normal;for(let t=0,i=e.count;t<i;t++)_t.fromBufferAttribute(e,t),_t.normalize(),e.setXYZ(t,_t.x,_t.y,_t.z)}toNonIndexed(){function e(o,l){const c=o.array,d=o.itemSize,f=o.normalized,p=new c.constructor(l.length*d);let m=0,x=0;for(let M=0,h=l.length;M<h;M++){o.isInterleavedBufferAttribute?m=l[M]*o.data.stride+o.offset:m=l[M]*d;for(let u=0;u<d;u++)p[x++]=c[m++]}return new Vt(p,d,f)}if(this.index===null)return console.warn("THREE.BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed."),this;const t=new An,i=this.index.array,r=this.attributes;for(const o in r){const l=r[o],c=e(l,i);t.setAttribute(o,c)}const s=this.morphAttributes;for(const o in s){const l=[],c=s[o];for(let d=0,f=c.length;d<f;d++){const p=c[d],m=e(p,i);l.push(m)}t.morphAttributes[o]=l}t.morphTargetsRelative=this.morphTargetsRelative;const a=this.groups;for(let o=0,l=a.length;o<l;o++){const c=a[o];t.addGroup(c.start,c.count,c.materialIndex)}return t}toJSON(){const e={metadata:{version:4.7,type:"BufferGeometry",generator:"BufferGeometry.toJSON"}};

6if(e.uuid=this.uuid,e.type=this.type,this.name!==""&&(e.name=this.name),Object.keys(this.userData).length>0&&(e.userData=this.userData),this.parameters!==void 0){const l=this.parameters;for(const c in l)l[c]!==void 0&&(e[c]=l[c]);return e}e.data={attributes:{}};const t=this.index;t!==null&&(e.data.index={type:t.array.constructor.name,array:Array.prototype.slice.call(t.array)});const i=this.attributes;for(const l in i){const c=i[l];e.data.attributes[l]=c.toJSON(e.data)}const r={};let s=!1;for(const l in this.morphAttributes){const c=this.morphAttributes[l],d=[];for(let f=0,p=c.length;f<p;f++){const m=c[f];d.push(m.toJSON(e.data))}d.length>0&&(r[l]=d,s=!0)}s&&(e.data.morphAttributes=r,e.data.morphTargetsRelative=this.morphTargetsRelative);const a=this.groups;a.length>0&&(e.data.groups=JSON.parse(JSON.stringify(a)));const o=this.boundingSphere;return o!==null&&(e.data.boundingSphere=o.toJSON()),e}clone(){return new this.constructor().copy(this)}copy(e){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;const t={};this.name=e.name;const i=e.index;i!==null&&this.setIndex(i.clone());const r=e.attributes;for(const c in r){const d=r[c];this.setAttribute(c,d.clone(t))}const s=e.morphAttributes;for(const c in s){const d=[],f=s[c];for(let p=0,m=f.length;p<m;p++)d.push(f[p].clone(t));this.morphAttributes[c]=d}this.morphTargetsRelative=e.morphTargetsRelative;const a=e.groups;for(let c=0,d=a.length;c<d;c++){const f=a[c];this.addGroup(f.start,f.count,f.materialIndex)}const o=e.boundingBox;o!==null&&(this.boundingBox=o.clone());const l=e.boundingSphere;return l!==null&&(this.boundingSphere=l.clone()),this.drawRange.start=e.drawRange.start,this.drawRange.count=e.drawRange.count,this.userData=e.userData,this}dispose(){this.dispatchEvent({type:"dispose"})}}const Xa=new ft,In=new wc,Ki=new da,qa=new z,$i=new z,Zi=new z,ji=new z,qr=new z,Ji=new z,Ya=new z,Qi=new z;class jt extends Ut{constructor(e=new An,t=new Ko){super(),this.isMesh=!0,this.type="Mesh",this.geometry=e,this.material=t,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.count=1,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),e.morphTargetInfluences!==void 0&&(this.morphTargetInfluences=e.morphTargetInfluences.slice()),e.morphTargetDictionary!==void 0&&(this.morphTargetDictionary=Object.assign({},e.morphTargetDictionary)),this.material=Array.isArray(e.material)?e.material.slice():e.material,this.geometry=e.geometry,this}updateMorphTargets(){const t=this.geometry.morphAttributes,i=Object.keys(t);if(i.length>0){const r=t[i[0]];if(r!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let s=0,a=r.length;s<a;s++){const o=r[s].name||String(s);this.morphTargetInfluences.push(0),this.morphTargetDictionary[o]=s}}}}getVertexPosition(e,t){const i=this.geometry,r=i.attributes.position,s=i.morphAttributes.position,a=i.morphTargetsRelative;t.fromBufferAttribute(r,e);const o=this.morphTargetInfluences;if(s&&o){Ji.set(0,0,0);for(let l=0,c=s.length;l<c;l++){const d=o[l],f=s[l];d!==0&&(qr.fromBufferAttribute(f,e),a?Ji.addScaledVector(qr,d):Ji.addScaledVector(qr.sub(t),d))}t.add(Ji)}return t}raycast(e,t){const i=this.geometry,r=this.material,s=this.matrixWorld;r!==void 0&&(i.boundingSphere===null&&i.computeBoundingSphere(),Ki.copy(i.boundingSphere),Ki.applyMatrix4(s),In.

6copy(e.ray).recast(e.near),!(Ki.containsPoint(In.origin)===!1&&(In.intersectSphere(Ki,qa)===null||In.origin.distanceToSquared(qa)>(e.far-e.near)**2))&&(Xa.copy(s).invert(),In.copy(e.ray).applyMatrix4(Xa),!(i.boundingBox!==null&&In.intersectsBox(i.boundingBox)===!1)&&this._computeIntersections(e,t,In)))}_computeIntersections(e,t,i){let r;const s=this.geometry,a=this.material,o=s.index,l=s.attributes.position,c=s.attributes.uv,d=s.attributes.uv1,f=s.attributes.normal,p=s.groups,m=s.drawRange;if(o!==null)if(Array.isArray(a))for(let x=0,M=p.length;x<M;x++){const h=p[x],u=a[h.materialIndex],T=Math.max(h.start,m.start),y=Math.min(o.count,Math.min(h.start+h.count,m.start+m.count));for(let E=T,L=y;E<L;E+=3){const A=o.getX(E),C=o.getX(E+1),U=o.getX(E+2);r=er(this,u,e,i,c,d,f,A,C,U),r&&(r.faceIndex=Math.floor(E/3),r.face.materialIndex=h.materialIndex,t.push(r))}}else{const x=Math.max(0,m.start),M=Math.min(o.count,m.start+m.count);for(let h=x,u=M;h<u;h+=3){const T=o.getX(h),y=o.getX(h+1),E=o.getX(h+2);r=er(this,a,e,i,c,d,f,T,y,E),r&&(r.faceIndex=Math.floor(h/3),t.push(r))}}else if(l!==void 0)if(Array.isArray(a))for(let x=0,M=p.length;x<M;x++){const h=p[x],u=a[h.materialIndex],T=Math.max(h.start,m.start),y=Math.min(l.count,Math.min(h.start+h.count,m.start+m.count));for(let E=T,L=y;E<L;E+=3){const A=E,C=E+1,U=E+2;r=er(this,u,e,i,c,d,f,A,C,U),r&&(r.faceIndex=Math.floor(E/3),r.face.materialIndex=h.materialIndex,t.push(r))}}else{const x=Math.max(0,m.start),M=Math.min(l.count,m.start+m.count);for(let h=x,u=M;h<u;h+=3){const T=h,y=h+1,E=h+2;r=er(this,a,e,i,c,d,f,T,y,E),r&&(r.faceIndex=Math.floor(h/3),t.push(r))}}}}function zc(n,e,t,i,r,s,a,o){let l;if(e.side===gt?l=i.intersectTriangle(a,s,r,!0,o):l=i.intersectTriangle(r,s,a,e.side===mn,o),l===null)return null;Qi.copy(o),Qi.applyMatrix4(n.matrixWorld);const c=t.ray.origin.distanceTo(Qi);return c<t.near||c>t.far?null:{distance:c,point:Qi.clone(),object:n}}function er(n,e,t,i,r,s,a,o,l,c){n.getVertexPosition(o,$i),n.getVertexPosition(l,Zi),n.getVertexPosition(c,ji);const d=zc(n,e,t,i,$i,Zi,ji,Ya);if(d){const f=new z;$t.getBarycoord(Ya,$i,Zi,ji,f),r&&(d.uv=$t.getInterpolatedAttribute(r,o,l,c,f,new Oe)),s&&(d.uv1=$t.getInterpolatedAttribute(s,o,l,c,f,new Oe)),a&&(d.normal=$t.getInterpolatedAttribute(a,o,l,c,f,new z),d.normal.dot(i.direction)>0&&d.normal.multiplyScalar(-1));const p={a:o,b:l,c,normal:new z,materialIndex:0};$t.getNormal($i,Zi,ji,p.normal),d.face=p,d.barycoord=f}return d}class Ui extends An{constructor(e=1,t=1,i=1,r=1,s=1,a=1){super(),this.type="BoxGeometry",this.parameters={width:e,height:t,depth:i,widthSegments:r,heightSegments:s,depthSegments:a};const o=this;r=Math.floor(r),s=Math.floor(s),a=Math.floor(a);const l=[],c=[],d=[],f=[];let p=0,m=0;x("z","y","x",-1,-1,i,t,e,a,s,0),x("z","y","x",1,-1,i,t,-e,a,s,1),x("x","z","y",1,1,e,i,t,r,a,2),x("x","z","y",1,-1,e,i,-t,r,a,3),x("x","y","z",1,-1,e,t,i,r,s,4),x("x","y","z",-1,-1,e,t,-i,r,s,5),this.setIndex(l),this.setAttribute("position",new Vn(c,3)),this.setAttribute("normal",new Vn(d,3)),this.setAttribute("uv",new Vn(f,2));function x(M,h,u,T,y,E,L,A,C,U,g){const S=E/C,w=L/U,X=E/2,O=L/2,H=A/2,Y=C+1,G=U+1;let te=0,V=0;const se=new z;for(let ce=0;ce<G;ce++){const ve=ce*w-O;for(let ue=0;ue<Y;ue++){const we=ue*S-X;se[M]=we*T,se[h]=ve*y,se[u]=H,c.push(se.x,se.y,se.z),se[M]=0,se[h]=0,se[u]=A>0?1:-1,d.push(se.x,se.y,se.z),f.push(ue/C),f.push(1-ce/U),te+=1}}for(let ce=0;ce<U;ce++)for(let ve=0;ve<C;ve++){const ue=p+ve+Y*ce,we=p+ve+Y*(ce+1),k=p+(ve+1)+Y*(ce+1),Q=p+(ve+1)+Y*ce;l.push(ue,we,Q),l.push(we,k,Q),V+=6}o.addGroup(m,V,g),m+=V,p+=te}}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new Ui(e.width,e.height,e.depth,e.widthSegments,e.heightSegments,e.depthSegments)}}function _i(n){const e={};for(const t in n){e[t]={};for(const i in n[t]){const r=n[t][i];r&&(r.isColor||r.isMatrix3||r.isMatrix4||r.isVector2||r.isVector3||r.isVector4||r.isTexture||r.isQuaternion)?r.isRenderTargetTexture?(console.warn("UniformsUtils: Textures of render targets cannot be cloned via cloneUniforms() or mergeUniforms()."),e[t][i]=null):e[t][i]=r.clone():Array.isArray(r)?e[t][i]=r.slice():e[t][i]=r}}return e}function At(n){const e={};for(let t=0;t<n.length;t++){const i=_i(n[t]);for(const r in i)e[r]=i[r]}return e}function Hc(n){const e=[];for(let t=0;t<n.length;t++)e.push(n[t].clone());return e}function jo(n){const e=n.getRenderTarget();return e===null?n.outputColorSpace:e.isXRRenderTarget===!0?e.texture.colorSpace:We.workingColorSpace}const Gc={clone:_i,merge:At};var Vc=`void main() {
7	gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
8}`,kc=`void main() {
9	gl_FragColor = vec4( 1.0, 0.0, 0.0, 1.0 );
10}`;class Wt extends gi{constructor(e){super(),this.isShaderMaterial=!0,this.type="ShaderMaterial",this.defines={},this.uniforms={},this.uniformsGroups=[],this.vertexShader=Vc,this.fragmentShader=kc,this.linewidth=1,this.wireframe=!1,this.wireframeLinewidth=1,this.fog=!1,this.lights=!1,this.clipping=!1,this.forceSinglePass=!0,this.extensions={clipCullDistance:!1,multiDraw:!1},this.defaultAttributeValues={color:[1,1,1],uv:[0,0],uv1:[0,0]},this.index0AttributeName=void 0,this.uniformsNeedUpdate=!1,this.glslVersion=null,e!==void 0&&this.setValues(e)}copy(e){return super.copy(e),this.fragmentShader=e.fragmentShader,this.vertexShader=e.vertexShader,this.uniforms=_i(e.uniforms),this.uniformsGroups=Hc(e.uniformsGroups),this.defines=Object.assign({},e.defines),this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.fog=e.fog,this.lights=e.lights,this.clipping=e.clipping,this.extensions=Object.assign({},e.extensions),this.glslVersion=e.glslVersion,this}toJSON(e){const t=super.toJSON(e);t.glslVersion=this.glslVersion,t.uniforms={};for(const r in this.uniforms){const a=this.uniforms[r].value;a&&a.isTexture?t.uniforms[r]={type:"t",value:a.toJSON(e).uuid}:a&&a.isColor?t.uniforms[r]={type:"c",value:a.getHex()}:a&&a.isVector2?t.uniforms[r]={type:"v2",value:a.toArray()}:a&&a.isVector3?t.uniforms[r]={type:"v3",value:a.toArray()}:a&&a.isVector4?t.uniforms[r]={type:"v4",value:a.toArray()}:a&&a.isMatrix3?t.uniforms[r]={type:"m3",value:a.toArray()}:a&&a.isMatrix4?t.uniforms[r]={type:"m4",value:a.toArray()}:t.uniforms[r]={value:a}}Object.keys(this.defines).length>0&&(t.defines=this.defines),t.vertexShader=this.vertexShader,t.fragmentShader=this.fragmentShader,t.lights=this.lights,t.clipping=this.clipping;const i={};for(const r in this.extensions)this.extensions[r]===!0&&(i[r]=!0);return Object.keys(i).length>0&&(t.extensions=i),t}}class Jo extends Ut{constructor(){super(),this.isCamera=!0,this.type="Camera",this.matrixWorldInverse=new ft,this.projectionMatrix=new ft,this.projectionMatrixInverse=new ft,this.coordinateSystem=hn}copy(e,t){return super.copy(e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this.coordinateSystem=e.coordinateSystem,this}getWorldDirection(e){return super.getWorldDirection(e).negate()}updateMatrixWorld(e){super.updateMatrixWorld(e),this.matrixWorldInverse.copy(this.matrixWorld).invert()}updateWorldMatrix(e,t){super.updateWorldMatrix(e,t),this.matrixWorldInverse.copy(this.matrixWorld).invert()}clone(){return new this.constructor().copy(this)}}const En=new z,Ka=new Oe,$a=new Oe;class Ht extends Jo{constructor(e=50,t=1,i=.1,r=2e3){super(),this.isPerspectiveCamera=!0,this.type="PerspectiveCamera",this.fov=e,this.zoom=1,this.near=i,this.far=r,this.focus=10,this.aspect=t,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=e.view===null?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this}setFocalLength(e){const t=.5*this.getFilmHeight()/e;this.fov=js*2*Math.atan(t),this.updateProjectionMatrix()}getFocalLength(){const e=Math.tan(br*.5*this.fov);return .5*this.getFilmHeight()/e}

10getEffectiveFOV(){return js*2*Math.atan(Math.tan(br*.5*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(e,t,i){En.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),t.set(En.x,En.y).multiplyScalar(-e/En.z),En.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),i.set(En.x,En.y).multiplyScalar(-e/En.z)}getViewSize(e,t){return this.getViewBounds(e,Ka,$a),t.subVectors($a,Ka)}setViewOffset(e,t,i,r,s,a){this.aspect=e/t,this.view===null&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=i,this.view.offsetY=r,this.view.width=s,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){const e=this.near;let t=e*Math.tan(br*.5*this.fov)/this.zoom,i=2*t,r=this.aspect*i,s=-.5*r;const a=this.view;if(this.view!==null&&this.view.enabled){const l=a.fullWidth,c=a.fullHeight;s+=a.offsetX*r/l,t-=a.offsetY*i/c,r*=a.width/l,i*=a.height/c}const o=this.filmOffset;o!==0&&(s+=e*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(s,s+r,t,t-i,e,this.far,this.coordinateSystem),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){const t=super.toJSON(e);return t.object.fov=this.fov,t.object.zoom=this.zoom,t.object.near=this.near,t.object.far=this.far,t.object.focus=this.focus,t.object.aspect=this.aspect,this.view!==null&&(t.object.view=Object.assign({},this.view)),t.object.filmGauge=this.filmGauge,t.object.filmOffset=this.filmOffset,t}}const ri=-90,si=1;class Wc extends Ut{constructor(e,t,i){super(),this.type="CubeCamera",this.renderTarget=i,this.coordinateSystem=null,this.activeMipmapLevel=0;const r=new Ht(ri,si,e,t);r.layers=this.layers,this.add(r);const s=new Ht(ri,si,e,t);s.layers=this.layers,this.add(s);const a=new Ht(ri,si,e,t);a.layers=this.layers,this.add(a);const o=new Ht(ri,si,e,t);o.layers=this.layers,this.add(o);const l=new Ht(ri,si,e,t);l.layers=this.layers,this.add(l);const c=new Ht(ri,si,e,t);c.layers=this.layers,this.add(c)}updateCoordinateSystem(){const e=this.coordinateSystem,t=this.children.concat(),[i,r,s,a,o,l]=t;for(const c of t)this.remove(c);if(e===hn)i.up.set(0,1,0),i.lookAt(1,0,0),r.up.set(0,1,0),r.lookAt(-1,0,0),s.up.set(0,0,-1),s.lookAt(0,1,0),a.up.set(0,0,1),a.lookAt(0,-1,0),o.up.set(0,1,0),o.lookAt(0,0,1),l.up.set(0,1,0),l.lookAt(0,0,-1);else if(e===mr)i.up.set(0,-1,0),i.lookAt(-1,0,0),r.up.set(0,-1,0),r.lookAt(1,0,0),s.up.set(0,0,1),s.lookAt(0,1,0),a.up.set(0,0,-1),a.lookAt(0,-1,0),o.up.set(0,-1,0),o.lookAt(0,0,1),l.up.set(0,-1,0),l.lookAt(0,0,-1);else throw new Error("THREE.CubeCamera.updateCoordinateSystem(): Invalid coordinate system: "+e);for(const c of t)this.add(c),c.updateMatrixWorld()}update(e,t){this.parent===null&&this.updateMatrixWorld();const{renderTarget:i,activeMipmapLevel:r}=this;this.coordinateSystem!==e.coordinateSystem&&(this.coordinateSystem=e.coordinateSystem,this.updateCoordinateSystem());const[s,a,o,l,c,d]=this.children,f=e.getRenderTarget(),p=e.getActiveCubeFace(),m=e.getActiveMipmapLevel(),x=e.xr.enabled;e.xr.enabled=!1;const M=i.texture.generateMipmaps;i.texture.generateMipmaps=!1,e.setRenderTarget(i,0,r),e.render(t,s),e.setRenderTarget(i,1,r),e.render(t,a),e.setRenderTarget(i,2,r),e.render(t,o),e.setRenderTarget(i,3,r),e.render(t,l),e.setRenderTarget(i,4,r),e.render(t,c),i.texture.generateMipmaps=M,e.setRenderTarget(i,5,r),e.render(t,d),e.setRenderTarget(f,p,m),e.xr.enabled=x,i.texture.needsPMREMUpdate=!0}}class Qo extends St{constructor(e=[],t=fi,i,r,s,a,o,l,c,d){super(e,t,i,r,s,a,o,l,c,d),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(e){this.image=e}}class Xc extends kt{constructor(e=1,t={}){super(e,e,t),this.isWebGLCubeRenderTarget=!0;const i={width:e,height:e,depth:1},r=[i,i,i,i,i,i];this.texture=new Qo(r),this._setTextureOptions(t),this.texture.isRenderTargetTexture=!0}fromEquirectangularTexture(e,t){this.texture.type=t.type,this.texture.colorSpace

10=t.colorSpace,this.texture.generateMipmaps=t.generateMipmaps,this.texture.minFilter=t.minFilter,this.texture.magFilter=t.magFilter;const i={uniforms:{tEquirect:{value:null}},vertexShader:`
11
12				varying vec3 vWorldDirection;
13
14				vec3 transformDirection( in vec3 dir, in mat4 matrix ) {
15
16					return normalize( ( matrix * vec4( dir, 0.0 ) ).xyz );
17
18				}
19
20				void main() {
21
22					vWorldDirection = transformDirection( position, modelMatrix );
23
24					#include <begin_vertex>
25					#include <project_vertex>
26
27				}
28			`,fragmentShader:`
29
30				uniform sampler2D tEquirect;
31
32				varying vec3 vWorldDirection;
33
34				#include <common>
35
36				void main() {
37
38					vec3 direction = normalize( vWorldDirection );
39
40					vec2 sampleUV = equirectUv( direction );
41
42					gl_FragColor = texture2D( tEquirect, sampleUV );
43
44				}
45			`},r=new Ui(5,5,5),s=new Wt({name:"CubemapFromEquirect",uniforms:_i(i.uniforms),vertexShader:i.vertexShader,fragmentShader:i.fragmentShader,side:gt,blending:rn});s.uniforms.tEquirect.value=t;const a=new jt(r,s),o=t.minFilter;return t.minFilter===Gn&&(t.minFilter=Tt),new Wc(1,10,this).update(e,a),t.minFilter=o,a.geometry.dispose(),a.material.dispose(),this}clear(e,t=!0,i=!0,r=!0){const s=e.getRenderTarget();for(let a=0;a<6;a++)e.setRenderTarget(this,a),e.clear(t,i,r);e.setRenderTarget(s)}}class tr extends Ut{constructor(){super(),this.isGroup=!0,this.type="Group"}}const qc={type:"move"};class Yr{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return this._hand===null&&(this._hand=new tr,this._hand.matrixAutoUpdate=!1,this._hand.visible=!1,this._hand.joints={},this._hand.inputState={pinching:!1}),this._hand}getTargetRaySpace(){return this._targetRay===null&&(this._targetRay=new tr,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new z,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new z),this._targetRay}getGripSpace(){return this._grip===null&&(this._grip=new tr,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new z,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new z),this._grip}dispatchEvent(e){return this._targetRay!==null&&this._targetRay.dispatchEvent(e),this._grip!==null&&this._grip.dispatchEvent(e),this._hand!==null&&this._hand.dispatchEvent(e),this}connect(e){if(e&&e.hand){const t=this._hand;if(t)for(const i of e.hand.values())this._getHandJoint(t,i)}return this.dispatchEvent({type:"connected",data:e}),this}disconnect(e){return this.dispatchEvent({type:"disconnected",data:e}),this._targetRay!==null&&(this._targetRay.visible=!1),this._grip!==null&&(this._grip.visible=!1),this._hand!==null&&(this._hand.visible=!1),this}update(e,t,i){let r=null,s=null,a=null;const o=this._targetRay,l=this._grip,c=this._hand;if(e&&t.session.visibilityState!=="visible-blurred"){if(c&&e.hand){a=!0;for(const M of e.hand.values()){const h=t.getJointPose(M,i),u=this._getHandJoint(c,M);h!==null&&(u.matrix.fromArray(h.transform.matrix),u.matrix.decompose(u.position,u.rotation,u.scale),u.matrixWorldNeedsUpdate=!0,u.jointRadius=h.radius),u.visible=h!==null}const d=c.joints["index-finger-tip"],f=c.joints["thumb-tip"],p=d.position.distanceTo(f.position),m=.02,x=.005;c.inputState.pinching&&p>m+x?(c.inputState.pinching=!1,this.dispatchEvent({type:"pinchend",handedness:e.handedness,target:this})):!c.inputState.pinching&&p<=m-x&&(c.inputState.pinching=!0,this.dispatchEvent({type:"pinchstart",handedness:e.handedness,target:this}))}else l!==null&&e.gripSpace&&(s=t.getPose(e.gripSpace,i),s!==null&&(l.matrix.fromArray(s.transform.matrix),l.matrix.decompose(l.position,l.rotation,l.scale),l.matrixWorldNeedsUpdate=!0,s.linearVelocity?(l.hasLinearVelocity=!0,l.linearVelocity.copy(s.linearVelocity)):l.hasLinearVelocity=!1,s.angularVelocity?(l.hasAngularVelocity=!0,l.angularVelocity.copy(s.angularVelocity)):l.hasAngularVelocity=!1));o!==null&&(r=t.getPose(e.targetRaySpace,i),r===null&&s!==null&&(r=s),r!==null&&(o.matrix.fromArray(r.transform.matrix),o.matrix.decompose(o.position,o.rotation,o.scale),o.matrixWorldNeedsUpdate=!0,r.linearVelocity?(o.hasLinearVelocity=!0,o.linearVelocity.copy(r.linearVelocity)):o.hasLinearVelocity=!1,r.angularVelocity?(o.hasAngularVelocity=!0,o.angularVelocity.copy(r.angularVelocity)):o.hasAngularVelocity=!1,this.dispatchEvent(qc)))}return o!==null&&(o.visible=r!==null),l!==null&&(l.visible=s!==null),c!==null&&(c.visible=a!==null),this}_getHandJoint(e,t){if(e.joints[t.jointName]===void 0){const i=new tr;i.matrixAutoUpdate=!1,i.visible=!1,e.joints[t.jointName]=i,e.add(i)}return e.joints[t.jointName]}}class Js extends Ut{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 _n,this.environmentIntensity=1,this.environmentRotation=new _n,this.overrideMaterial=null,typeof __THREE_DEVTOOLS__<"u"&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent("observe",{detail:this}))}copy(e,t){return super.copy(e,t),e.background!==null&&(this.background=e.background.clone()),e.environment!==null&&(this.environment=e.environment.clone()),e.fog!==null&&(this.fog=e.fog.clone()),this.backgroundBlurriness=e.backgroundBlurriness,this.backgroundIntensity=e.backgroundIntensity,this.backgroundRotation.copy(e.backgroundRotation),this.environmentIntensity=e.environmentIntensity,this.environmentRotation.copy(e.environmentRotation),e.overrideMaterial!==null&&(this.overrideMaterial=e.overrideMaterial.clone()),this.matrixAutoUpdate=e.matrixAutoUpdate,this}toJSON(e){const t=super.toJSON(e);return this.fog!==null&&(t.object.fog=this.fog.toJSON()),this.backgroundBlurriness>0&&(t.object.backgroundBlurriness=this.backgroundBlurriness),this.backgroundIntensity!==1&&(t.object.backgroundIntensity=this.backgroundIntensity),t.object.backgroundRotation=this.backgroundRotation.toArray(),this.environmentIntensity!==1&&(t.object.environmentIntensity=this.environmentIntensity),t.object.environmentRotation=this.environmentRotation.toArray(),t}}const Kr=new z,Yc=new z,Kc=new Ue;class Fn{constructor(e=new z(1,0,0),t=0){this.isPlane=!0,this.normal=e,this.constant=t}set(e,t){return this.normal.copy(e),this.constant=t,this}setComponents(e,t,i,r){return this.normal.set(e,t,i),this.constant=r,this}setFromNormalAndCoplanarPoint(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this}

45setFromCoplanarPoints(e,t,i){const r=Kr.subVectors(i,t).cross(Yc.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(r,e),this}copy(e){return this.normal.copy(e.normal),this.constant=e.constant,this}normalize(){const e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(e){return this.normal.dot(e)+this.constant}distanceToSphere(e){return this.distanceToPoint(e.center)-e.radius}projectPoint(e,t){return t.copy(e).addScaledVector(this.normal,-this.distanceToPoint(e))}intersectLine(e,t){const i=e.delta(Kr),r=this.normal.dot(i);if(r===0)return this.distanceToPoint(e.start)===0?t.copy(e.start):null;const s=-(e.start.dot(this.normal)+this.constant)/r;return s<0||s>1?null:t.copy(e.start).addScaledVector(i,s)}intersectsLine(e){const t=this.distanceToPoint(e.start),i=this.distanceToPoint(e.end);return t<0&&i>0||i<0&&t>0}intersectsBox(e){return e.intersectsPlane(this)}intersectsSphere(e){return e.intersectsPlane(this)}coplanarPoint(e){return e.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(e,t){const i=t||Kc.getNormalMatrix(e),r=this.coplanarPoint(Kr).applyMatrix4(e),s=this.normal.applyMatrix3(i).normalize();return this.constant=-r.dot(s),this}translate(e){return this.constant-=e.dot(this.normal),this}equals(e){return e.normal.equals(this.normal)&&e.constant===this.constant}clone(){return new this.constructor().copy(this)}}const Ln=new da,$c=new Oe(.5,.5),nr=new z;class el{constructor(e=new Fn,t=new Fn,i=new Fn,r=new Fn,s=new Fn,a=new Fn){this.planes=[e,t,i,r,s,a]}set(e,t,i,r,s,a){const o=this.planes;return o[0].copy(e),o[1].copy(t),o[2].copy(i),o[3].copy(r),o[4].copy(s),o[5].copy(a),this}copy(e){const t=this.planes;for(let i=0;i<6;i++)t[i].copy(e.planes[i]);return this}setFromProjectionMatrix(e,t=hn){const i=this.planes,r=e.elements,s=r[0],a=r[1],o=r[2],l=r[3],c=r[4],d=r[5],f=r[6],p=r[7],m=r[8],x=r[9],M=r[10],h=r[11],u=r[12],T=r[13],y=r[14],E=r[15];if(i[0].setComponents(l-s,p-c,h-m,E-u).normalize(),i[1].setComponents(l+s,p+c,h+m,E+u).normalize(),i[2].setComponents(l+a,p+d,h+x,E+T).normalize(),i[3].setComponents(l-a,p-d,h-x,E-T).normalize(),i[4].setComponents(l-o,p-f,h-M,E-y).normalize(),t===hn)i[5].setComponents(l+o,p+f,h+M,E+y).normalize();else if(t===mr)i[5].setComponents(o,f,M,y).normalize();else throw new Error("THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: "+t);return this}intersectsObject(e){if(e.boundingSphere!==void 0)e.boundingSphere===null&&e.computeBoundingSphere(),Ln.copy(e.boundingSphere).applyMatrix4(e.matrixWorld);else{const t=e.geometry;t.boundingSphere===null&&t.computeBoundingSphere(),Ln.copy(t.boundingSphere).applyMatrix4(e.matrixWorld)}return this.intersectsSphere(Ln)}intersectsSprite(e){Ln.center.set(0,0,0);const t=$c.distanceTo(e.center);return Ln.radius=.7071067811865476+t,Ln.applyMatrix4(e.matrixWorld),this.intersectsSphere(Ln)}intersectsSphere(e){const t=this.planes,i=e.center,r=-e.radius;for(let s=0;s<6;s++)if(t[s].distanceToPoint(i)<r)return!1;return!0}intersectsBox(e){const t=this.planes;for(let i=0;i<6;i++){const r=t[i];if(nr.x=r.normal.x>0?e.max.x:e.min.x,nr.y=r.normal.y>0?e.max.y:e.min.y,nr.z=r.normal.z>0?e.max.z:e.min.z,r.distanceToPoint(nr)<0)return!1}return!0}containsPoint(e){const t=this.planes;for(let i=0;i<6;i++)if(t[i].distanceToPoint(e)<0)return!1;return!0}clone(){return new this.constructor().copy(this)}}class fa extends St{constructor(e,t,i=Wn,r,s,a,o=Jt,l=Jt,c,d=Ci,f=1){if(d!==Ci&&d!==mi)throw new Error("DepthTexture format must be either THREE.DepthFormat or THREE.DepthStencilFormat");const p={width:e,height:t,depth:f};super(p,r,s,a,o,l,d,i,c),this.isDepthTexture=!0,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(e){return super.copy(e),this.source=new ua(Object.assign({},e.image)),this.compareFunction=e.compareFunction,this}toJSON(e){const t=super.toJSON(e);return this.compareFunction!==null&&(t.compareFunction=this.compareFunction),t}}class Ni extends An{constructor(e=1,t=1,i=1,r=1){super(),this.type="PlaneGeometry",this.parameters={width:e,height:t,widthSegments:i,heightSegments:r};const s=e/2,a=t/2,o=Math.floor(i),l=Math.floor(r),c=o+1,d=l+1,f=e/o,p=t/l,m=[],x=[],M=[],h=[];for(let u=0;u<d;u++){const T=u*p-a;for(let y=0;y<c;y++){const E=y*f-s;x.push(E,-T,0),M.push(0,0,1),h.push(y/o),h.push(1-u/l)}}for(let u=0;u<l;u++)for(let T=0;T<o;T++){const y=T+c*u,E=T+c*(u+1),L=T+1+c*(u+1),A=T+1+c*u;m.push(y,E,A),m.push(E,L,A)}this.setIndex(m),this.setAttribute("position",new Vn(x,3)),this.setAttribute("normal",new Vn(M,3)),this.setAttribute("uv",new Vn(h,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(e){return new Ni(e.width,e.height,e.widthSegments,e.heightSegments)}}class Zc extends gi{constructor(e){super(),this.isMeshDepthMaterial=!0,this.type="MeshDepthMaterial",this.depthPacking=Pi,this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.wireframe=!1,this.wireframeLinewidth=1,this.setValues(e)}copy(e){return super.copy(e),this.depthPacking=e.depthPacking,this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this}}class jc extends gi{constructor(e){super(),this.isMeshDistanceMaterial=!0,this.type="MeshDistanceMaterial",this.map=null,this.alphaMap=null,this.displacementMap=null,this.displacementScale=1,this.displacementBias=0,this.setValues(e)}copy(e){return super.copy(e),this.map=e.map,this.alphaMap=e.alphaMap,this.displacementMap=e.displacementMap,this.displacementScale=e.displacementScale,this.displacementBias=e.displacementBias,this}}class ha extends Jo{constructor(e=-1,t=1,i=1,r=-1,s=.1,a=2e3){super(),this.isOrthographicCamera=!0,this.type="Orthogra

49M.start<=x.start+x.count+1?x.count=Math.max(x.count,M.start+M.count-x.start):(++p,f[p]=M)}f.length=p+1;for(let m=0,x=f.length;m<x;m++){const M=f[m];n.bufferSubData(c,M.start*d.BYTES_PER_ELEMENT,d,M.start,M.count)}l.clearUpdateRanges()}l.onUploadCallback()}function r(o){return o.isInterleavedBufferAttribute&&(o=o.data),e.get(o)}function s(o){o.isInterleavedBufferAttribute&&(o=o.data);const l=e.get(o);l&&(n.deleteBuffer(l.buffer),e.delete(o))}function a(o,l){if(o.isInterleavedBufferAttribute&&(o=o.data),o.isGLBufferAttribute){const d=e.get(o);(!d||d.version<o.version)&&e.set(o,{buffer:o.buffer,type:o.type,bytesPerElement:o.elementSize,version:o.version});return}const c=e.get(o);if(c===void 0)e.set(o,t(o,l));else if(c.version<o.version){if(c.size!==o.array.byteLength)throw new Error("THREE.WebGLAttributes: The size of the buffer attribute's array buffer does not match the original size. Resizing buffer attributes is not supported.");i(c.buffer,o,l),c.version=o.version}}return{get:r,remove:s,update:a}}var nu=`#ifdef USE_ALPHAHASH
50	if ( diffuseColor.a < getAlphaHashThreshold( vPosition ) ) discard;
51#endif`,iu=`#ifdef USE_ALPHAHASH
52	const float ALPHA_HASH_SCALE = 0.05;
53	float hash2D( vec2 value ) {
54		return fract( 1.0e4 * sin( 17.0 * value.x + 0.1 * value.y ) * ( 0.1 + abs( sin( 13.0 * value.y + value.x ) ) ) );
55	}
56	float hash3D( vec3 value ) {
57		return hash2D( vec2( hash2D( value.xy ), value.z ) );
58	}
59	float getAlphaHashThreshold( vec3 position ) {
60		float maxDeriv = max(
61			length( dFdx( position.xyz ) ),
62			length( dFdy( position.xyz ) )
63		);
64		float pixScale = 1.0 / ( ALPHA_HASH_SCALE * maxDeriv );
65		vec2 pixScales = vec2(
66			exp2( floor( log2( pixScale ) ) ),
67			exp2( ceil( log2( pixScale ) ) )
68		);
69		vec2 alpha = vec2(
70			hash3D( floor( pixScales.x * position.xyz ) ),
71			hash3D( floor( pixScales.y * position.xyz ) )
72		);
73		float lerpFactor = fract( log2( pixScale ) );
74		float x = ( 1.0 - lerpFactor ) * alpha.x + lerpFactor * alpha.y;
75		float a = min( lerpFactor, 1.0 - lerpFactor );
76		vec3 cases = vec3(
77			x * x / ( 2.0 * a * ( 1.0 - a ) ),
78			( x - 0.5 * a ) / ( 1.0 - a ),
79			1.0 - ( ( 1.0 - x ) * ( 1.0 - x ) / ( 2.0 * a * ( 1.0 - a ) ) )
80		);
81		float threshold = ( x < ( 1.0 - a ) )
82			? ( ( x < a ) ? cases.x : cases.y )
83			: cases.z;
84		return clamp( threshold , 1.0e-6, 1.0 );
85	}
86#endif`,ru=`#ifdef USE_ALPHAMAP
87	diffuseColor.a *= texture2D( alphaMap, vAlphaMapUv ).g;
88#endif`,su=`#ifdef USE_ALPHAMAP
89	uniform sampler2D alphaMap;
90#endif`,au=`#ifdef USE_ALPHATEST
91	#ifdef ALPHA_TO_COVERAGE
92	diffuseColor.a = smoothstep( alphaTest, alphaTest + fwidth( diffuseColor.a ), diffuseColor.a );
93	if ( diffuseColor.a == 0.0 ) discard;
94	#else
95	if ( diffuseColor.a < alphaTest ) discard;
96	#endif
97#endif`,ou=`#ifdef USE_ALPHATEST
98	uniform float alphaTest;
99#endif`,lu=`#ifdef USE_AOMAP
100	float ambientOcclusion = ( texture2D( aoMap, vAoMapUv ).r - 1.0 ) * aoMapIntensity + 1.0;
101	reflectedLight.indirectDiffuse *= ambientOcclusion;
102	#if defined( USE_CLEARCOAT ) 
103		clearcoatSpecularIndirect *= ambientOcclusion;
104	#endif
105	#if defined( USE_SHEEN ) 
106		sheenSpecularIndirect *= ambientOcclusion;
107	#endif
108	#if defined( USE_ENVMAP ) && defined( STANDARD )
109		float dotNV = saturate( dot( geometryNormal, geometryViewDir ) );
110		reflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );
111	#endif
112#endif`,cu=`#ifdef USE_AOMAP
113	uniform sampler2D aoMap;
114	uniform float aoMapIntensity;
115#endif`,uu=`#ifdef USE_BATCHING
116	#if ! defined( GL_ANGLE_multi_draw )
117	#define gl_DrawID _gl_DrawID
118	uniform int _gl_DrawID;
119	#endif
120	uniform highp sampler2D batchingTexture;
121	uniform highp usampler2D batchingIdTexture;
122	mat4 getBatchingMatrix( const in float i ) {
123		int size = textureSize( batchingTexture, 0 ).x;
124		int j = int( i ) * 4;
125		int x = j % size;
126		int y = j / size;
127		vec4 v1 = texelFetch( batchingTexture, ivec2( x, y ), 0 );
128		vec4 v2 = texelFetch( batchingTexture, ivec2( x + 1, y ), 0 );
129		vec4 v3 = texelFetch( batchingTexture, ivec2( x + 2, y ), 0 );
130		vec4 v4 = texelFetch( batchingTexture, ivec2( x + 3, y ), 0 );
131		return mat4( v1, v2, v3, v4 );
132	}
133	float getIndirectIndex( const in int i ) {
134		int size = textureSize( batchingIdTexture, 0 ).x;
135		int x = i % size;
136		int y = i / size;
137		return float( texelFetch( batchingIdTexture, ivec2( x, y ), 0 ).r );
138	}
139#endif
140#ifdef USE_BATCHING_COLOR
141	uniform sampler2D batchingColorTexture;
142	vec3 getBatchingColor( const in float i ) {
143		int size = textureSize( batchingColorTexture, 0 ).x;
144		int j = int( i );
145		int x = j % size;
146		int y = j / size;
147		return texelFetch( batchingColorTexture, ivec2( x, y ), 0 ).rgb;
148	}
149#endif`,du=`#ifdef USE_BATCHING
150	mat4 batchingMatrix = getBatchingMatrix( getIndirectIndex( gl_DrawID ) );
151#endif`,fu=`vec3 transformed = vec3( position );
152#ifdef USE_ALPHAHASH
153	vPosition = vec3( position );
154#endif`,hu=`vec3 objectNormal = vec3( normal );
155#ifdef USE_TANGENT
156	vec3 objectTangent = vec3( tangent.xyz );
157#endif`,pu=`float G_BlinnPhong_Implicit( ) {
158	return 0.25;
159}
160float D_BlinnPhong( const in float shininess, const in float dotNH ) {
161	return RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );
162}

950=`struct PhysicalMaterial {
951	vec3 diffuseColor;
952	float roughness;
953	vec3 specularColor;
954	float specularF90;
955	float dispersion;
956	#ifdef USE_CLEARCOAT
957		float clearcoat;
958		float clearcoatRoughness;
959		vec3 clearcoatF0;
960		float clearcoatF90;
961	#endif
962	#ifdef USE_IRIDESCENCE
963		float iridescence;
964		float iridescenceIOR;
965		float iridescenceThickness;
966		vec3 iridescenceFresnel;
967		vec3 iridescenceF0;
968	#endif
969	#ifdef USE_SHEEN
970		vec3 sheenColor;
971		float sheenRoughness;
972	#endif
973	#ifdef IOR
974		float ior;
975	#endif
976	#ifdef USE_TRANSMISSION
977		float transmission;
978		float transmissionAlpha;
979		float thickness;
980		float attenuationDistance;
981		vec3 attenuationColor;
982	#endif
983	#ifdef USE_ANISOTROPY
984		float anisotropy;
985		float alphaT;
986		vec3 anisotropyT;
987		vec3 anisotropyB;
988	#endif
989};
990vec3 clearcoatSpecularDirect = vec3( 0.0 );
991vec3 clearcoatSpecularIndirect = vec3( 0.0 );
992vec3 sheenSpecularDirect = vec3( 0.0 );
993vec3 sheenSpecularIndirect = vec3(0.0 );
994vec3 Schlick_to_F0( const in vec3 f, const in float f90, const in float dotVH ) {
995    float x = clamp( 1.0 - dotVH, 0.0, 1.0 );
996    float x2 = x * x;
997    float x5 = clamp( x * x2 * x2, 0.0, 0.9999 );
998    return ( f - vec3( f90 ) * x5 ) / ( 1.0 - x5 );
999}
1000float V_GGX_SmithCorrelated( const in float alpha, const in float dotNL, const in float dotNV ) {
1001	float a2 = pow2( alpha );
1002	float gv = dotNL * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNV ) );
1003	float gl = dotNV * sqrt( a2 + ( 1.0 - a2 ) * pow2( dotNL ) );
1004	return 0.5 / max( gv + gl, EPSILON );
1005}
1006float D_GGX( const in float alpha, const in float dotNH ) {
1007	float a2 = pow2( alpha );
1008	float denom = pow2( dotNH ) * ( a2 - 1.0 ) + 1.0;
1009	return RECIPROCAL_PI * a2 / pow2( denom );
1010}
1011#ifdef USE_ANISOTROPY
1012	float V_GGX_SmithCorrelated_Anisotropic( const in float alphaT, const in float alphaB, const in float dotTV, const in float dotBV, const in float dotTL, const in float dotBL, const in float dotNV, const in float dotNL ) {
1013		float gv = dotNL * length( vec3( alphaT * dotTV, alphaB * dotBV, dotNV ) );
1014		float gl = dotNV * length( vec3( alphaT * dotTL, alphaB * dotBL, dotNL ) );
1015		float v = 0.5 / ( gv + gl );
1016		return saturate(v);
1017	}
1018	float D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {
1019		float a2 = alphaT * alphaB;
1020		highp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );
1021		highp float v2 = dot( v, v );
1022		float w2 = a2 / v2;
1023		return RECIPROCAL_PI * a2 * pow2 ( w2 );
1024	}
1025#endif
1026#ifdef USE_CLEARCOAT
1027	vec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {
1028		vec3 f0 = material.clearcoatF0;
1029		float f90 = material.clearcoatF90;
1030		float roughness = material.clearcoatRoughness;
1031		float alpha = pow2( roughness );
1032		vec3 halfDir = normalize( lightDir + viewDir );
1033		float dotNL = saturate( dot( normal, lightDir ) );
1034		float dotNV = saturate( dot( normal, viewDir ) );
1035		float dotNH = saturate( dot( normal, halfDir ) );
1036		float dotVH = saturate( dot( viewDir, halfDir ) );
1037		vec3 F = F_Schlick( f0, f90, dotVH );
1038		float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );
1039		float D = D_GGX( alpha, dotNH );
1040		return F * ( V * D );
1041	}
1042#endif
1043vec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {
1044	vec3 f0 = material.specularColor;
1045	float f90 = material.specularF90;
1046	float roughness = material.roughness;
1047	float alpha = pow2( roughness );
1048	vec3 halfDir = normalize( lightDir + viewDir );
1049	float dotNL = saturate( dot( normal, lightDir ) );
1050	float dotNV = saturate( dot( normal, viewDir ) );
1051	float dotNH = saturate( dot( normal, halfDir ) );
1052	float dotVH = saturate( dot( viewDir, halfDir ) );
1053	vec3 F = F_Schlick( f0, f90, dotVH );
1054	#ifdef USE_IRIDESCENCE
1055		F = mix( F, material.iridescenceFresnel, material.iridescence );
1056	#endif
1057	#ifdef USE_ANISOTROPY
1058		float dotTL = dot( material.anisotropyT, lightDir );
1059		float dotTV = dot( material.anisotropyT, viewDir );
1060		float dotTH = dot( material.anisotropyT, halfDir );
1061		float dotBL = dot( material.anisotropyB, lightDir );
1062		float dotBV = dot( material.anisotropyB, viewDir );
1063		float dotBH = dot( material.anisotropyB, halfDir );
1064		float V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );
1065		float D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );
1066	#else
1067		float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );
1068		float D = D_GGX( alpha, dotNH );
1069	#endif
1070	return F * ( V * D );
1071}
1072vec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {
1073	const float LUT_SIZE = 64.0;
1074	const float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;
1075	const float LUT_BIAS = 0.5 / LUT_SIZE;
1076	float dotNV = saturate( dot( N, V ) );
1077	vec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );
1078	uv = uv * LUT_SCALE + LUT_BIAS;
1079	return uv;
1080}
1081float LTC_ClippedSphereFormFactor( const in vec3 f ) {
1082	float l = length( f );
1083	return max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );
1084}
1085vec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {
1086	float x = dot( v1, v2 );
1087	float y = abs( x );
1088	float a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;
1089	float b = 3.4175940 + ( 4.1616724 + y ) * y;
1090	float v = a / b;
1091	float theta_sintheta = ( x > 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;
1092	return cross( v1, v2 ) * theta_sintheta;
1093}
1094vec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {
1095	vec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];
1096	vec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];
1097	vec3 lightNormal = cross( v1, v2 );
1098	if( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );
1099	vec3 T1, T2;
1100	T1 = normalize( V - N * dot( V, N ) );
1101	T2 = - cross( N, T1 );
1102	mat3 mat = mInv * transposeMat3( mat3( T1, T2, N ) );
1103	vec3 coords[ 4 ];
1104	coords[ 0 ] = mat * ( rectCoords[ 0 ] - P );
1105	coords[ 1 ] = mat * ( rectCoords[ 1 ] - P );
1106	coords[ 2 ] = mat * ( rectCoords[ 2 ] - P );
1107	coords[ 3 ] = mat * ( rectCoords[ 3 ] - P );
1108	coords[ 0 ] = normalize( coords[ 0 ] );
1109	coords[ 1 ] = normalize( coords[ 1 ] );
1110	coords[ 2 ] = normalize( coords[ 2 ] );
1111	coords[ 3 ] = normalize( coords[ 3 ] );
1112	vec3 vectorFormFactor = vec3( 0.0 );
1113	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );
1114	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );
1115	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );
1116	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );
1117	float result = LTC_ClippedSphereFormFactor( vectorFormFactor );
1118	return vec3( result );
1119}
1120#if defined( USE_SHEEN )
1121float D_Charlie( float roughness, float dotNH ) {
1122	float alpha = pow2( roughness );
1123	float invAlpha = 1.0 / alpha;
1124	float cos2h = dotNH * dotNH;
1125	float sin2h = max( 1.0 - cos2h, 0.0078125 );
1126	return ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );
1127}
1128float V_Neubelt( float dotNV, float dotNL ) {
1129	return saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );
1130}
1131vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {
1132	vec3 halfDir = normalize( lightDir + viewDir );
1133	float dotNL = saturate( dot( normal, lightDir ) );
1134	float dotNV = saturate( dot( normal, viewDir ) );
1135	float dotNH = saturate( dot( normal, halfDir ) );
1136	float D = D_Charlie( sheenRoughness, dotNH );
1137	float V = V_Neubelt( dotNV, dotNL );
1138	return sheenColor * ( D * V );
1139}
1140#endif
1141float IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {
1142	float dotNV = saturate( dot( normal, viewDir ) );
1143	float r2 = roughness * roughness;
1144	float a = roughness < 0.25 ? -339.2 * r2 + 161.4 * roughness - 25.9 : -8.48 * r2 + 14.3 * roughness - 9.95;
1145	float b = roughness < 0.25 ? 44.0 * r2 - 23.7 * roughness + 3.26 : 1.97 * r2 - 3.27 * roughness + 0.72;
1146	float DG = exp( a * dotNV + b ) + ( roughness < 0.25 ? 0.0 : 0.1 * ( roughness - 0.25 ) );
1147	return saturate( DG * RECIPROCAL_PI );
1148}
1149vec2 DFGApprox( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {
1150	float dotNV = saturate( dot( normal, viewDir ) );
1151	const vec4 c0 = vec4( - 1, - 0.0275, - 0.572, 0.022 );
1152	const vec4 c1 = vec4( 1, 0.0425, 1.04, - 0.04 );
1153	vec4 r = roughness * c0 + c1;
1154	float a004 = min( r.x * r.x, exp2( - 9.28 * dotNV ) ) * r.x + r.y;
1155	vec2 fab = vec2( - 1.04, 1.04 ) * a004 + r.zw;
1156	return fab;
1157}
1158vec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {
1159	vec2 fab = DFGApprox( normal, viewDir, roughness );
1160	return specularColor * fab.x + specularF90 * fab.y;
1161}
1162#ifdef USE_IRIDESCENCE
1163void computeMultiscatteringIridescence( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float iridescence, const in vec3 iridescenceF0, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {
1164#else
1165void computeMultiscattering( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness, inout vec3 singleScatter, inout vec3 multiScatter ) {
1166#endif
1167	vec2 fab = DFGApprox( normal, viewDir, roughness );
1168	#ifdef USE_IRIDESCENCE
1169		vec3 Fr = mix( specularColor, iridescenceF0, iridescence );
1170	#else
1171		vec3 Fr = specularColor;
1172	#endif
1173	vec3 FssEss = Fr * fab.x + specularF90 * fab.y;
1174	float Ess = fab.x + fab.y;
1175	float Ems = 1.0 - Ess;
1176	vec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;	vec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );
1177	singleScatter += FssEss;
1178	multiScatter += Fms * Ems;
1179}
1180#if NUM_RECT_AREA_LIGHTS > 0
1181	void RE_Direct_RectArea_Physical( const in RectAreaLight rectAreaLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {
1182		vec3 normal = geometryNormal;
1183		vec3 viewDir = geometryViewDir;
1184		vec3 position = geometryPosition;
1185		vec3 lightPos = rectAreaLight.position;
1186		vec3 halfWidth = rectAreaLight.halfWidth;
1187		vec3 halfHeight = rectAreaLight.halfHeight;
1188		vec3 lightColor = rectAreaLight.color;
1189		float roughness = material.roughness;
1190		vec3 rectCoords[ 4 ];
1191		rectCoords[ 0 ] = lightPos + halfWidth - halfHeight;		rectCoords[ 1 ] = lightPos - halfWidth - halfHeight;
1192		rectCoords[ 2 ] = lightPos - halfWidth + halfHeight;
1193		rectCoords[ 3 ] = lightPos + halfWidth + halfHeight;
1194		vec2 uv = LTC_Uv( normal, viewDir, roughness );
1195		vec4 t1 = texture2D( ltc_1, uv );
1196		vec4 t2 = texture2D( ltc_2, uv );
1197		mat3 mInv = mat3(
1198			vec3( t1.x, 0, t1.y ),
1199			vec3(    0, 1,    0 ),
1200			vec3( t1.z, 0, t1.w )
1201		);
1202		vec3 fresnel = ( material.specularColor * t2.x + ( vec3( 1.0 ) - material.specularColor ) * t2.y );
1203		reflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );
1204		reflectedLight.directDiffuse += lightColor * material.diffuseColor * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );
1205	}
1206#endif
1207void RE_Direct_Physical( const in IncidentLight directLight, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {
1208	float dotNL = saturate( dot( geometryNormal, directLight.direction ) );
1209	vec3 irradiance = dotNL * directLight.color;
1210	#ifdef USE_CLEARCOAT
1211		float dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );
1212		vec3 ccIrradiance = dotNLcc * directLight.color;
1213		clearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );
1214	#endif
1215	#ifdef USE_SHEEN
1216		sheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );
1217	#endif
1218	reflectedLight.directSpecular += irradiance * BRDF_GGX( directLight.direction, geometryViewDir, geometryNormal, material );
1219	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
1220}
1221void RE_IndirectDiffuse_Physical( const in vec3 irradiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight ) {
1222	reflectedLight.indirectDiffuse += irradiance * BRDF_Lambert( material.diffuseColor );
1223}
1224void RE_IndirectSpecular_Physical( const in vec3 radiance, const in vec3 irradiance, const in vec3 clearcoatRadiance, const in vec3 geometryPosition, const in vec3 geometryNormal, const in vec3 geometryViewDir, const in vec3 geometryClearcoatNormal, const in PhysicalMaterial material, inout ReflectedLight reflectedLight) {
1225	#ifdef USE_CLEARCOAT
1226		clearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );
1227	#endif
1228	#ifdef USE_SHEEN
1229		sheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );
1230	#endif
1231	vec3 singleScattering = vec3( 0.0 );
1232	vec3 multiScattering = vec3( 0.0 );
1233	vec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;
1234	#ifdef USE_IRIDESCENCE
1235		computeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnel, material.roughness, singleScattering, multiScattering );
1236	#else
1237		computeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScattering, multiScattering );
1238	#endif
1239	vec3 totalScattering = singleScattering + multiScattering;
1240	vec3 diffuse = material.diffuseColor * ( 1.0 - max( max( totalScattering.r, totalScattering.g ), totalScattering.b ) );
1241	reflectedLight.indirectSpecular += radiance * singleScattering;
1242	reflectedLight.indirectSpecular += multiScattering * cosineWeightedIrradiance;
1243	reflectedLight.indirectDiffuse += diffuse * cosineWeightedIrradiance;
1244}
1245#define RE_Direct				RE_Direct_Physical
1246#define RE_Direct_RectArea		RE_Direct_RectArea_Physical
1247#define RE_IndirectDiffuse		RE_IndirectDiffuse_Physical
1248#define RE_IndirectSpecular		RE_IndirectSpecular_Physical
1249float computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {
1250	return saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );
1251}`,t

1695`#if NUM_SPOT_LIGHT_COORDS > 0
1696	varying vec4 vSpotLightCoord[ NUM_SPOT_LIGHT_COORDS ];
1697#endif
1698#if NUM_SPOT_LIGHT_MAPS > 0
1699	uniform sampler2D spotLightMap[ NUM_SPOT_LIGHT_MAPS ];
1700#endif
1701#ifdef USE_SHADOWMAP
1702	#if NUM_DIR_LIGHT_SHADOWS > 0
1703		uniform sampler2D directionalShadowMap[ NUM_DIR_LIGHT_SHADOWS ];
1704		varying vec4 vDirectionalShadowCoord[ NUM_DIR_LIGHT_SHADOWS ];
1705		struct DirectionalLightShadow {
1706			float shadowIntensity;
1707			float shadowBias;
1708			float shadowNormalBias;
1709			float shadowRadius;
1710			vec2 shadowMapSize;
1711		};
1712		uniform DirectionalLightShadow directionalLightShadows[ NUM_DIR_LIGHT_SHADOWS ];
1713	#endif
1714	#if NUM_SPOT_LIGHT_SHADOWS > 0
1715		uniform sampler2D spotShadowMap[ NUM_SPOT_LIGHT_SHADOWS ];
1716		struct SpotLightShadow {
1717			float shadowIntensity;
1718			float shadowBias;
1719			float shadowNormalBias;
1720			float shadowRadius;
1721			vec2 shadowMapSize;
1722		};
1723		uniform SpotLightShadow spotLightShadows[ NUM_SPOT_LIGHT_SHADOWS ];
1724	#endif
1725	#if NUM_POINT_LIGHT_SHADOWS > 0
1726		uniform sampler2D pointShadowMap[ NUM_POINT_LIGHT_SHADOWS ];
1727		varying vec4 vPointShadowCoord[ NUM_POINT_LIGHT_SHADOWS ];
1728		struct PointLightShadow {
1729			float shadowIntensity;
1730			float shadowBias;
1731			float shadowNormalBias;
1732			float shadowRadius;
1733			vec2 shadowMapSize;
1734			float shadowCameraNear;
1735			float shadowCameraFar;
1736		};
1737		uniform PointLightShadow pointLightShadows[ NUM_POINT_LIGHT_SHADOWS ];
1738	#endif
1739	float texture2DCompare( sampler2D depths, vec2 uv, float compare ) {
1740		return step( compare, unpackRGBAToDepth( texture2D( depths, uv ) ) );
1741	}
1742	vec2 texture2DDistribution( sampler2D shadow, vec2 uv ) {
1743		return unpackRGBATo2Half( texture2D( shadow, uv ) );
1744	}
1745	float VSMShadow (sampler2D shadow, vec2 uv, float compare ){
1746		float occlusion = 1.0;
1747		vec2 distribution = texture2DDistribution( shadow, uv );
1748		float hard_shadow = step( compare , distribution.x );
1749		if (hard_shadow != 1.0 ) {
1750			float distance = compare - distribution.x ;
1751			float variance = max( 0.00000, distribution.y * distribution.y );
1752			float softness_probability = variance / (variance + distance * distance );			softness_probability = clamp( ( softness_probability - 0.3 ) / ( 0.95 - 0.3 ), 0.0, 1.0 );			occlusion = clamp( max( hard_shadow, softness_probability ), 0.0, 1.0 );
1753		}
1754		return occlusion;
1755	}
1756	float getShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord ) {
1757		float shadow = 1.0;
1758		shadowCoord.xyz /= shadowCoord.w;
1759		shadowCoord.z += shadowBias;
1760		bool inFrustum = shadowCoord.x >= 0.0 && shadowCoord.x <= 1.0 && shadowCoord.y >= 0.0 && shadowCoord.y <= 1.0;
1761		bool frustumTest = inFrustum && shadowCoord.z <= 1.0;
1762		if ( frustumTest ) {
1763		#if defined( SHADOWMAP_TYPE_PCF )
1764			vec2 texelSize = vec2( 1.0 ) / shadowMapSize;
1765			float dx0 = - texelSize.x * shadowRadius;
1766			float dy0 = - texelSize.y * shadowRadius;
1767			float dx1 = + texelSize.x * shadowRadius;
1768			float dy1 = + texelSize.y * shadowRadius;
1769			float dx2 = dx0 / 2.0;
1770			float dy2 = dy0 / 2.0;
1771			float dx3 = dx1 / 2.0;
1772			float dy3 = dy1 / 2.0;
1773			shadow = (
1774				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy0 ), shadowCoord.z ) +
1775				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy0 ), shadowCoord.z ) +
1776				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy0 ), shadowCoord.z ) +
1777				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy2 ), shadowCoord.z ) +
1778				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy2 ), shadowCoord.z ) +
1779				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy2 ), shadowCoord.z ) +
1780				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, 0.0 ), shadowCoord.z ) +
1781				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, 0.0 ), shadowCoord.z ) +
1782				texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z ) +
1783				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, 0.0 ), shadowCoord.z ) +
1784				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, 0.0 ), shadowCoord.z ) +
1785				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx2, dy3 ), shadowCoord.z ) +
1786				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy3 ), shadowCoord.z ) +
1787				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx3, dy3 ), shadowCoord.z ) +
1788				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx0, dy1 ), shadowCoord.z ) +
1789				texture2DCompare( shadowMap, shadowCoord.xy + vec2( 0.0, dy1 ), shadowCoord.z ) +
1790				texture2DCompare( shadowMap, shadowCoord.xy + vec2( dx1, dy1 ), shadowCoord.z )
1791			) * ( 1.0 / 17.0 );
1792		#elif defined( SHADOWMAP_TYPE_PCF_SOFT )
1793			vec2 texelSize = vec2( 1.0 ) / shadowMapSize;
1794			float dx = texelSize.x;
1795			float dy = texelSize.y;
1796			vec2 uv = shadowCoord.xy;
1797			vec2 f = fract( uv * shadowMapSize + 0.5 );
1798			uv -= f * texelSize;
1799			shadow = (
1800				texture2DCompare( shadowMap, uv, shadowCoord.z ) +
1801				texture2DCompare( shadowMap, uv + vec2( dx, 0.0 ), shadowCoord.z ) +
1802				texture2DCompare( shadowMap, uv + vec2( 0.0, dy ), shadowCoord.z ) +
1803				texture2DCompare( shadowMap, uv + texelSize, shadowCoord.z ) +
1804				mix( texture2DCompare( shadowMap, uv + vec2( -dx, 0.0 ), shadowCoord.z ),
1805					 texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 0.0 ), shadowCoord.z ),
1806					 f.x ) +
1807				mix( texture2DCompare( shadowMap, uv + vec2( -dx, dy ), shadowCoord.z ),
1808					 texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, dy ), shadowCoord.z ),
1809					 f.x ) +
1810				mix( texture2DCompare( shadowMap, uv + vec2( 0.0, -dy ), shadowCoord.z ),
1811					 texture2DCompare( shadowMap, uv + vec2( 0.0, 2.0 * dy ), shadowCoord.z ),
1812					 f.y ) +
1813				mix( texture2DCompare( shadowMap, uv + vec2( dx, -dy ), shadowCoord.z ),
1814					 texture2DCompare( shadowMap, uv + vec2( dx, 2.0 * dy ), shadowCoord.z ),
1815					 f.y ) +
1816				mix( mix( texture2DCompare( shadowMap, uv + vec2( -dx, -dy ), shadowCoord.z ),
1817						  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, -dy ), shadowCoord.z ),
1818						  f.x ),
1819					 mix( texture2DCompare( shadowMap, uv + vec2( -dx, 2.0 * dy ), shadowCoord.z ),
1820						  texture2DCompare( shadowMap, uv + vec2( 2.0 * dx, 2.0 * dy ), shadowCoord.z ),
1821						  f.x ),
1822					 f.y )
1823			) * ( 1.0 / 9.0 );
1824		#elif defined( SHADOWMAP_TYPE_VSM )
1825			shadow = VSMShadow( shadowMap, shadowCoord.xy, shadowCoord.z );
1826		#else
1827			shadow = texture2DCompare( shadowMap, shadowCoord.xy, shadowCoord.z );
1828		#endif
1829		}
1830		return mix( 1.0, shadow, shadowIntensity );
1831	}
1832	vec2 cubeToUV( vec3 v, float texelSizeY ) {
1833		vec3 absV = abs( v );
1834		float scaleToCube = 1.0 / max( absV.x, max( absV.y, absV.z ) );
1835		absV *= scaleToCube;
1836		v *= scaleToCube * ( 1.0 - 2.0 * texelSizeY );
1837		vec2 planar = v.xy;
1838		float almostATexel = 1.5 * texelSizeY;
1839		float almostOne = 1.0 - almostATexel;
1840		if ( absV.z >= almostOne ) {
1841			if ( v.z > 0.0 )
1842				planar.x = 4.0 - v.x;
1843		} else if ( absV.x >= almostOne ) {
1844			float signX = sign( v.x );
1845			planar.x = v.z * signX + 2.0 * signX;
1846		} else if ( absV.y >= almostOne ) {
1847			float signY = sign( v.y );
1848			planar.x = v.x + 2.0 * signY + 2.0;
1849			planar.y = v.z * signY - 2.0;
1850		}
1851		return vec2( 0.125, 0.25 ) * planar + vec2( 0.375, 0.75 );
1852	}
1853	float getPointShadow( sampler2D shadowMap, vec2 shadowMapSize, float shadowIntensity, float shadowBias, float shadowRadius, vec4 shadowCoord, float shadowCameraNear, float shadowCameraFar ) {
1854		float shadow = 1.0;
1855		vec3 lightToPosition = shadowCoord.xyz;
1856		
1857		float lightToPositionLength = length( lightToPosition );
1858		if ( lightToPositionLength - shadowCameraFar <= 0.0 && lightToPositionLength - shadowCameraNear >= 0.0 ) {
1859			float dp = ( lightToPositionLength - shadowCameraNear ) / ( shadowCameraFar - shadowCameraNear );			dp += shadowBias;
1860			vec3 bd3D = normalize( lightToPosition );
1861			vec2 texelSize = vec2( 1.0 ) / ( shadowMapSize * vec2( 4.0, 2.0 ) );
1862			#if defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_PCF_SOFT ) || defined( SHADOWMAP_TYPE_VSM )
1863				vec2 offset = vec2( - 1, 1 ) * shadowRadius * texelSize.y;
1864				shadow = (
1865					texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyy, texelSize.y ), dp ) +
1866					texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyy, texelSize.y ), dp ) +
1867					texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xyx, texelSize.y ), dp ) +
1868					texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yyx, texelSize.y ), dp ) +
1869					texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp ) +
1870					texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxy, texelSize.y ), dp ) +
1871					texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxy, texelSize.y ), dp ) +
1872					texture2DCompare( shadowMap, cubeToUV( bd3D + offset.xxx, texelSize.y ), dp ) +
1873					texture2DCompare( shadowMap, cubeToUV( bd3D + offset.yxx, texelSize.y ), dp )
1874				) * ( 1.0 / 9.0 );
1875			#else
1876				shadow = texture2DCompare( shadowMap, cubeToUV( bd3D, texelSize.y ), dp );
1877			#endif
1878		}
1879		return mix( 1.0, shadow, shadowIntensity );
1880	}
1881#endif`,