@google/model-viewer/dist/model-viewer.min.js

Easily display interactive 3D models on the web and in AR!

/**
 * @license
 * Copyright 2019 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */
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 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
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/**
 * @license
 * Copyright 2017 Google LLC
 * SPDX-License-Identifier: BSD-3-Clause
 */
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/**
 * @license
 * Copyright 2010-2025 Three.js Authors
 * SPDX-License-Identifier: MIT
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this.x=t[e],this.y=t[e+1],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this}rotateAround(t,e){const i=Math.cos(e),n=Math.sin(e),r=this.x-t.x,s=this.y-t.y;return this.x=r*i-s*n+t.x,this.y=r*n+s*i+t.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}}class wi{constructor(t=0,e=0,i=0,n=1){this.isQuaternion=!0,this._x=t,this._y=e,this._z=i,this._w=n}static slerpFlat(t,e,i,n,r,s,a){let o=i[n+0],l=i[n+1],c=i[n+2],h=i[n+3],u=r[s+0],d=r[s+1],p=r[s+2],A=r[s+3];if(a<=0)return t[e+0]=o,t[e+1]=l,t[e+2]=c,void(t[e+3]=h);if(a>=1)return t[e+0]=u,t[e+1]=d,t[e+2]=p,void(t[e+3]=A);if(h!==A||o!==u||l!==d||c!==p){let t=o*u+l*d+c*p+h*A;t<0&&(u=-u,d=-d,p=-p,A=-A,t=-t);let e=1-a;if(t<.9995){const i=Math.acos(t),n=Math.sin(i);e=Math.sin(e*i)/n,o=o*e+u*(a=Math.sin(a*i)/n),l=l*e+d*a,c=c*e+p*a,h=h*e+A*a}else{o=o*e+u*a,l=l*e+d*a,c=c*e+p*a,h=h*e+A*a;const t=1/Math.sqrt(o*o+l*l+c*c+h*h);o*=t,l*=t,c*=t,h*=t}}t[e]=o,t[e+1]=l,t[e+2]=c,t[e+3]=h}static multiplyQuaternionsFlat(t,e,i,n,r,s){const a=i[n],o=i[n+1],l=i[n+2],c=i[n+3],h=r[s],u=r[s+1],d=r[s+2],p=r[s+3];return t[e]=a*p+c*h+o*d-l*u,t[e+1]=o*p+c*u+l*h-a*d,t[e+2]=l*p+c*d+a*u-o*h,t[e+3]=c*p-a*h-o*u-l*d,t}get x(){return this._x}set x(t){this._x=t,this._onChangeCallback()}get y(){return this._y}set y(t){this._y=t,this._onChangeCallback()}get z(){return this._z}set z(t){this._z=t,this._onChangeCallback()}get w(){return this._w}set w(t){this._w=t,this._onChangeCallback()}set(t,e,i,n){return this._x=t,this._y=e,this._z=i,this._w=n,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._w)}copy(t){return this._x=t.x,this._y=t.y,this._z=t.z,this._w=t.w,this._onChangeCallback(),this}setFromEuler(t,e=!0){const i=t._x,n=t._y,r=t._z,s=t._order,a=Math.cos,o=Math.sin,l=a(i/2),c=a(n/2),h=a(r/2),u=o(i/2),d=o(n/2),p=o(r/2);switch(s){case"XYZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"YXZ":this._x=u*c*h+l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"ZXY":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h-u*d*p;break;case"ZYX":this._x=u*c*h-l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h+u*d*p;break;case"YZX":this._x=u*c*h+l*d*p,this._y=l*d*h+u*c*p,this._z=l*c*p-u*d*h,this._w=l*c*h-u*d*p;break;case"XZY":this._x=u*c*h-l*d*p,this._y=l*d*h-u*c*p,this._z=l*c*p+u*d*h,this._w=l*c*h+u*d*p;break;default:hi("Quaternion: .setFromEuler() encountered an unknown order: "+s)}return!0===e&&this._onChangeCallback(),this}setFromAxisAngle(t,e){const i=e/2,n=Math.sin(i);return this._x=t.x*n,this._y=t.y*n,this._z=t.z*n,this._w=Math.cos(i),this._onChangeCallback(),this}setFromRotationMatrix(t){const e=t.elements,i=e[0],n=e[4],r=e[8],s=e[1],a=e[5],o=e[9],l=e[2],c=e[6],h=e[10],u=i+a+h;if(u>0){const t=.5/Math.sqrt(u+1);this._w=.25/t,this._x=(c-o)*t,this._y=(r-l)*t,this._z=(s-n)*t}else if(i>a&&i>h){const t=2*Math.sqrt(1+i-a-h);this._w=(c-o)/t,this._x=.25*t,this._y=(n+s)/t,this._z=(r+l)/t}else if(a>h){const t=2*Math.sqrt(1+a-i-h);this._w=(r-l)/t,this._x=(n+s)/t,this._y=.25*t,this._z=(o+c)/t}else{const t=2*Math.sqrt(1+h-i-a);this._w=(s-n)/t,this._x=(r+l)/t,this._y=(o+c)/t,this._z=.25*t}return this._onChangeCallback(),this}setFromUnitVectors(t,e){let i=t.dot(e)+1;return i<1e-8?(i=0,Math.abs(t.x)>Math.abs(t.z)?(this._x=-t.y,this._y=t.x,this._z=0,this._w=i):(this._x=0,this._y=-t.z,this._z=t.y,this._w=i)):(this._x=t.y*e.z-t.z*e.y,this._y=t.z*e.x-t.x*e.z,this._z=t.x*e.y-t.y*e.x,this._w=i),this.normalize()}angleTo(t){return 2*Math.acos(Math.abs(bi(this.dot(t),-1,1)))}rotateTowards(t,e){const i=this.angleTo(t);if(0===i)return this;const n=Math.min(1,e/i);return this.slerp(t,n),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(t){return this._x*t._x+this._y*t._y+this._z*t._z+this._w*t._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let t=this.length();return 0===t?(this._x=0,this._y=0,this._z=0,this._w=1):(t=1/t,this._x=this._x*t,this._y=this._y*t,this._z=this._z*t,this._w=this._w*t),this._onChangeCallback(),this}multiply(t){return this.multiplyQuaternions(this,t)}premultiply(t){return this.multiplyQuaternions(t,this)}multiplyQuaternions(t,e){const i=t._x,n=t._y,r=t._z,s=t._w,a=e._x,o=e._y,l=e._z,c=e._w;return this._x=i*c+s*a+n*l-r*o,this._y=n*c+s*o+r*a-i*l,this._z=r*c+s*l+i*o-n*a,this._w=s*c-i*a-n*o-r*l,this._onChangeCallback(),this}slerp(t,e){if(e<=0)return this;if(e>=1)return this.copy(t);let i=t._x,n=t._y,r=t._z,s=t._w,a=this.dot(t);a<0&&(i=-i,n=-n,r=-r,s=-s,a=-a);let o=1-e;if(a<.9995){const t=Math.acos(a),l=Math.sin(t);o=Math.sin(o*t)/l,e=Math.sin(e*t)/l,this._x=this._x*o+i*e,this._y=this._y*o+n*e,this._z=this._z*o+r*e,this._w=this._w*o+s*e,this._onChangeCallback()}else this._x=this._x*o+i*e,this._y=this._y*o+n*e,this._z=this._z*o+r*e,this._w=this._w*o+s*e,this.normalize();return this}slerpQuaternions(t,e,i){return this.copy(t).slerp(e,i)}random(){const t=2*Math.PI*Math.random(),e=2*Math.PI*Math.random(),i=Math.random(),n=Math.sqrt(1-i),r=Math.sqrt(i);return this.set(n*Math.sin(t),n*Math.cos(t),r*Math.sin(e),r*Math.cos(e))}equals(t){return t._x===this._x&&t._y===this._y&&t._z===this._z&&t._w===this._w}fromArray(t,e=0){return this._x=t[e],this._y=t[e+1],this._z=t[e+2],this._w=t[e+3],this._onChangeCallback(),this}toArray(t=[],e=0){return t[e]=this._x,t[e+1]=this._y,t[e+2]=this._z,t[e+3]=this._w,t}fromBufferAttribute(t,e){return this._x=t.getX(e),this._y=t.getY(e),this._z=t.getZ(e),this._w=t.getW(e),this._onChangeCallback(),this}toJSON(){return this.toArray()}_onChange(t){return this._onChangeCallback=t,this}_onChangeCallback(){}*[Symbol.iterator](){yield this._x,yield this._y,yield this._z,yield this._w}}class Mi{constructor(t=0,e=0,i=0){Mi.prototype.isVector3=!0,this.x=t,this.y=e,this.z=i}set(t,e,i){return void 0===i&&(i=this.z),this.x=t,this.y=e,this.z=i,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this}multiplyVectors(t,e){return this.x=t.x*e.x,this.y=t.y*e.y,this.z=t.z*e.z,this}applyEuler(t){return this.applyQuaternion(Ti.setFromEuler(t))}applyAxisAngle(t,e){return this.applyQuaternion(Ti.setFromAxisAngle(t,e))}applyMatrix3(t){const e=this.x,i=this.y,n=this.z,r=t.elements;return this.x=r[0]*e+r[3]*i+r[6]*n,this.y=r[1]*e+r[4]*i+r[7]*n,this.z=r[2]*e+r[5]*i+r[8]*n,this}applyNormalMatrix(t){return this.applyMatrix3(t).normalize()}applyMatrix4(t){const e=this.x,i=this.y,n=this.z,r=t.elements,s=1/(r[3]*e+r[7]*i+r[11]*n+r[15]);return this.x=(r[0]*e+r[4]*i+r[8]*n+r[12])*s,this.y=(r[1]*e+r[5]*i+r[9]*n+r[13])*s,this.z=(r[2]*e+r[6]*i+r[10]*n+r[14])*s,this}applyQuaternion(t){const e=this.x,i=this.y,n=this.z,r=t.x,s=t.y,a=t.z,o=t.w,l=2*(s*n-a*i),c=2*(a*e-r*n),h=2*(r*i-s*e);return this.x=e+o*l+s*h-a*c,this.y=i+o*c+a*l-r*h,this.z=n+o*h+r*c-s*l,this}project(t){return this.applyMatrix4(t.matrixWorldInverse).applyMatrix4(t.projectionMatrix)}unproject(t){return this.applyMatrix4(t.projectionMatrixInverse).applyMatrix4(t.matrixWorld)}transformDirection(t){const e=this.x,i=this.y,n=this.z,r=t.elements;return this.x=r[0]*e+r[4]*i+r[8]*n,this.y=r[1]*e+r[5]*i+r[9]*n,this.z=r[2]*e+r[6]*i+r[10]*n,this.normalize()}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this}divideScalar(t){return this.multiplyScalar(1/t)}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this}clamp(t,e){return this.x=bi(this.x,t.x,e.x),this.y=bi(this.y,t.y,e.y),this.z=bi(this.z,t.z,e.z),this}clampScalar(t,e){return this.x=bi(this.x,t,e),this.y=bi(this.y,t,e),this.z=bi(this.z,t,e),this}clampLength(t,e){const i=this.length();return this.divideScalar(i||1).multiplyScalar(bi(i,t,e))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this}lerpVectors(t,e,i){return this.x=t.x+(e.x-t.x)*i,this.y=t.y+(e.y-t.y)*i,this.z=t.z+(e.z-t.z)*i,this}cross(t){return this.crossVectors(this,t)}crossVectors(t,e){const i=t.x,n=t.y,r=t.z,s=e.x,a=e.y,o=e.z;return this.x=n*o-r*a,this.y=r*s-i*o,this.z=i*a-n*s,this}projectOnVector(t){const e=t.lengthSq();if(0===e)return this.set(0,0,0);const i=t.dot(this)/e;return this.copy(t).multiplyScalar(i)}projectOnPlane(t){return Ii.copy(this).projectOnVector(t),this.sub(Ii)}reflect(t){return this.sub(Ii.copy(t).multiplyScalar(2*this.dot(t)))}angleTo(t){const e=Math.sqrt(this.lengthSq()*t.lengthSq());if(0===e)return Math.PI/2;const i=this.dot(t)/e;return Math.acos(bi(i,-1,1))}distanceTo(t){return Math.sqrt(this.distanceToSquared(t))}distanceToSquared(t){const e=this.x-t.x,i=this.y-t.y,n=this.z-t.z;return e*e+i*i+n*n}manhattanDistanceTo(t){return Math.abs(this.x-t.x)+Math.abs(this.y-t.y)+Math.abs(this.z-t.z)}setFromSpherical(t){return this.setFromSphericalCoords(t.radius,t.phi,t.theta)}setFromSphericalCoords(t,e,i){const n=Math.sin(e)*t;return this.x=n*Math.sin(i),this.y=Math.cos(e)*t,this.z=n*Math.cos(i),this}setFromCylindrical(t){return this.setFromCylindricalCoords(t.radius,t.theta,t.y)}setFromCylindricalCoords(t,e,i){return this.x=t*Math.sin(e),this.y=i,this.z=t*Math.cos(e),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this}setFromMatrixScale(t){const e=this.setFromMatrixColumn(t,0).length(),i=this.setFromMatrixColumn(t,1).length(),n=this.setFromMatrixColumn(t,2).length();return this.x=e,this.y=i,this.z=n,this}setFromMatrixColumn(t,e){return this.fromArray(t.elements,4*e)}setFromMatrix3Column(t,e){return this.fromArray(t.elements,3*e)}setFromEuler(t){return this.x=t._x,this.y=t._y,this.z=t._z,this}setFromColor(t){return this.x=t.r,this.y=t.g,this.z=t.b,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){const t=Math.random()*Math.PI*2,e=2*Math.random()-1,i=Math.sqrt(1-e*e);return this.x=i*Math.cos(t),this.y=e,this.z=i*Math.sin(t),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}}const Ii=new Mi,Ti=new wi;class Bi{constructor(t,e,i,n,r,s,a,o,l){Bi.prototype.isMatrix3=!0,this.elements=[1,0,0,0,1,0,0,0,1],void 0!==t&&this.set(t,e,i,n,r,s,a,o,l)}set(t,e,i,n,r,s,a,o,l){const c=this.elements;return c[0]=t,c[1]=n,c[2]=a,c[3]=e,c[4]=r,c[5]=o,c[6]=i,c[7]=s,c[8]=l,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(t){const e=this.elements,i=t.elements;return e[0]=i[0],e[1]=i[1],e[2]=i[2],e[3]=i[3],e[4]=i[4],e[5]=i[5],e[6]=i[6],e[7]=i[7],e[8]=i[8],this}extractBasis(t,e,i){return t.setFromMatrix3Column(this,0),e.setFromMatrix3Column(this,1),i.setFromMatrix3Column(this,2),this}setFromMatrix4(t){const e=t.elements;return this.set(e[0],e[4],e[8],e[1],e[5],e[9],e[2],e[6],e[10]),this}multiply(t){return this.multiplyMatrices(this,t)}premultiply(t){return this.multiplyMatrices(t,this)}multiplyMatrices(t,e){const i=t.elements,n=e.elements,r=this.elements,s=i[0],a=i[3],o=i[6],l=i[1],c=i[4],h=i[7],u=i[2],d=i[5],p=i[8],A=n[0],g=n[3],m=n[6],f=n[1],v=n[4],b=n[7],y=n[2],_=n[5],x=n[8];return r[0]=s*A+a*f+o*y,r[3]=s*g+a*v+o*_,r[6]=s*m+a*b+o*x,r[1]=l*A+c*f+h*y,r[4]=l*g+c*v+h*_,r[7]=l*m+c*b+h*x,r[2]=u*A+d*f+p*y,r[5]=u*g+d*v+p*_,r[8]=u*m+d*b+p*x,this}multiplyScalar(t){const e=this.elements;return e[0]*=t,e[3]*=t,e[6]*=t,e[1]*=t,e[4]*=t,e[7]*=t,e[2]*=t,e[5]*=t,e[8]*=t,this}determinant(){const t=this.elements,e=t[0],i=t[1],n=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8];return e*s*c-e*a*l-i*r*c+i*a*o+n*r*l-n*s*o}invert(){const t=this.elements,e=t[0],i=t[1],n=t[2],r=t[3],s=t[4],a=t[5],o=t[6],l=t[7],c=t[8],h=c*s-a*l,u=a*o-c*r,d=l*r-s*o,p=e*h+i*u+n*d;if(0===p)return this.set(0,0,0,0,0,0,0,0,0);const A=1/p;return t[0]=h*A,t[1]=(n*l-c*i)*A,t[2]=(a*i-n*s)*A,t[3]=u*A,t[4]=(c*e-n*o)*A,t[5]=(n*r-a*e)*A,t[6]=d*A,t[7]=(i*o-l*e)*A,t[8]=(s*e-i*r)*A,this}transpose(){let t;const e=this.elements;return t=e[1],e[1]=e[3],e[3]=t,t=e[2],e[2]=e[6],e[6]=t,t=e[5],e[5]=e[7],e[7]=t,this}getNormalMatrix(t){return this.setFromMatrix4(t).invert().transpose()}transposeIntoArray(t){const e=this.elements;return t[0]=e[0],t[1]=e[3],t[2]=e[6],t[3]=e[1],t[4]=e[4],t[5]=e[7],t[6]=e[2],t[7]=e[5],t[8]=e[8],this}setUvTransform(t,e,i,n,r,s,a){const o=Math.cos(r),l=Math.sin(r);return this.set(i*o,i*l,-i*(o*s+l*a)+s+t,-n*l,n*o,-n*(-l*s+o*a)+a+e,0,0,1),this}scale(t,e){return this.premultiply(Ri.makeScale(t,e)),this}rotate(t){return this.premultiply(Ri.makeRotation(-t)),this}translate(t,e){return this.premultiply(Ri.makeTranslation(t,e)),this}makeTranslation(t,e){return t.isVector2?this.set(1,0,t.x,0,1,t.y,0,0,1):this.set(1,0,t,0,1,e,0,0,1),this}makeRotation(t){const e=Math.cos(t),i=Math.sin(t);return this.set(e,-i,0,i,e,0,0,0,1),this}makeScale(t,e){return this.set(t,0,0,0,e,0,0,0,1),this}equals(t){const e=this.elements,i=t.elements;for(let t=0;t<9;t++)if(e[t]!==i[t])return!1;return!0}fromArray(t,e=0){for(let i=0;i<9;i++)this.elements[i]=t[i+e];return this}toArray(t=[],e=0){const i=this.elements;return t[e]=i[0],t[e+1]=i[1],t[e+2]=i[2],t[e+3]=i[3],t[e+4]=i[4],t[e+5]=i[5],t[e+6]=i[6],t[e+7]=i[7],t[e+8]=i[8],t}clone(){return(new this.constructor).fromArray(this.elements)}}const Ri=new Bi,Di=(new Bi).set(.4123908,.3575843,.1804808,.212639,.7151687,.0721923,.0193308,.1191948,.9505322),Li=(new Bi).set(3.2409699,-1.5373832,-.4986108,-.9692436,1.8759675,.0415551,.0556301,-.203977,1.0569715);function Pi(){const t={enabled:!0,workingColorSpace:ze,spaces:{},convert:function(t,e,i){return!1!==this.enabled&&e!==i&&e&&i?(this.spaces[e].transfer===We&&(t.r=Fi(t.r),t.g=Fi(t.g),t.b=Fi(t.b)),this.spaces[e].primaries!==this.spaces[i].primaries&&(t.applyMatrix3(this.spaces[e].toXYZ),t.applyMatrix3(this.spaces[i].fromXYZ)),this.spaces[i].transfer===We&&(t.r=Ni(t.r),t.g=Ni(t.g),t.b=Ni(t.b)),t):t},workingToColorSpace:function(t,e){return this.convert(t,this.workingColorSpace,e)},colorSpaceToWorking:function(t,e){return this.convert(t,e,this.workingColorSpace)},getPrimaries:function(t){return this.spaces[t].primaries},getTransfer:function(t){return t===Ge?Ve:this.spaces[t].transfer},getToneMappingMode:function(t){return this.spaces[t].outputColorSpaceConfig.toneMappingMode||"standard"},getLuminanceCoefficients:function(t,e=this.workingColorSpace){return t.fromArray(this.spaces[e].luminanceCoefficients)},define:function(t){Object.assign(this.spaces,t)},_getMatrix:function(t,e,i){return t.copy(this.spaces[e].toXYZ).multiply(this.spaces[i].fromXYZ)},_getDrawingBufferColorSpace:function(t){return this.spaces[t].outputColorSpaceConfig.drawingBufferColorSpace},_getUnpackColorSpace:function(t=this.workingColorSpace){return this.spaces[t].workingColorSpaceConfig.unpackColorSpace},fromWorkingColorSpace:function(e,i){return di("ColorManagement: .fromWorkingColorSpace() has been renamed to .workingToColorSpace()."),t.workingToColorSpace(e,i)},toWorkingColorSpace:function(e,i){return di("ColorManagement: .toWorkingColorSpace() has been renamed to .colorSpaceToWorking()."),t.colorSpaceToWorking(e,i)}},e=[.64,.33,.3,.6,.15,.06],i=[.2126,.7152,.0722],n=[.3127,.329];return t.define({[ze]:{primaries:e,whitePoint:n,transfer:Ve,toXYZ:Di,fromXYZ:Li,luminanceCoefficients:i,workingColorSpaceConfig:{unpackColorSpace:He},outputColorSpaceConfig:{drawingBufferColorSpace:He}},[He]:{primaries:e,whitePoint:n,transfer:We,toXYZ:Di,fromXYZ:Li,luminanceCoefficients:i,outputColorSpaceConfig:{drawingBufferColorSpace:He}}}),t}const Ui=Pi();function Fi(t){return t<.04045?.0773993808*t:Math.pow(.9478672986*t+.0521327014,2.4)}function Ni(t){return t<.0031308?12.92*t:1.055*Math.pow(t,.41666)-.055}let Oi;class Qi{static getDataURL(t,e="image/png"){if(/^data:/i.test(t.src))return t.src;if("undefined"==typeof HTMLCanvasElement)return t.src;let i;if(t instanceof HTMLCanvasElement)i=t;else{void 0===Oi&&(Oi=ai("canvas")),Oi.width=t.width,Oi.height=t.height;const e=Oi.getContext("2d");t instanceof ImageData?e.putImageData(t,0,0):e.drawImage(t,0,0,t.width,t.height),i=Oi}return i.toDataURL(e)}static sRGBToLinear(t){if("undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap){const e=ai("canvas");e.width=t.width,e.height=t.height;const i=e.getContext("2d");i.drawImage(t,0,0,t.width,t.height);const n=i.getImageData(0,0,t.width,t.height),r=n.data;for(let t=0;t<r.length;t++)r[t]=255*Fi(r[t]/255);return i.putImageData(n,0,0),e}if(t.data){const e=t.data.slice(0);for(let t=0;t<e.length;t++)e instanceof Uint8Array||e instanceof Uint8ClampedArray?e[t]=Math.floor(255*Fi(e[t]/255)):e[t]=Fi(e[t]);return{data:e,width:t.width,height:t.height}}return hi("ImageUtils.sRGBToLinear(): Unsupported image type. No color space conversion applied."),t}}let ki=0;class Gi{constructor(t=null){this.isSource=!0,Object.defineProperty(this,"id",{value:ki++}),this.uuid=vi(),this.data=t,this.dataReady=!0,this.version=0}getSize(t){const e=this.data;return"undefined"!=typeof HTMLVideoElement&&e instanceof HTMLVideoElement?t.set(e.videoWidth,e.videoHeight,0):"undefined"!=typeof VideoFrame&&e instanceof VideoFrame?t.set(e.displayHeight,e.displayWidth,0):null!==e?t.set(e.width,e.height,e.depth||0):t.set(0,0,0),t}set needsUpdate(t){!0===t&&this.version++}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.images[this.uuid])return t.images[this.uuid];const i={uuid:this.uuid,url:""},n=this.data;if(null!==n){let t;if(Array.isArray(n)){t=[];for(let e=0,i=n.length;e<i;e++)n[e].isDataTexture?t.push(Hi(n[e].image)):t.push(Hi(n[e]))}else t=Hi(n);i.url=t}return e||(t.images[this.uuid]=i),i}}function Hi(t){return"undefined"!=typeof HTMLImageElement&&t instanceof HTMLImageElement||"undefined"!=typeof HTMLCanvasElement&&t instanceof HTMLCanvasElement||"undefined"!=typeof ImageBitmap&&t instanceof ImageBitmap?Qi.getDataURL(t):t.data?{data:Array.from(t.data),width:t.width,height:t.height,type:t.data.constructor.name}:(hi("Texture: Unable to serialize Texture."),{})}let zi=0;const Vi=new Mi;let Wi=class t extends pi{constructor(e=t.DEFAULT_IMAGE,i=t.DEFAULT_MAPPING,n=1001,r=1001,s=1006,a=1008,o=1023,l=Mt,c=t.DEFAULT_ANISOTROPY,h=""){super(),this.isTexture=!0,Object.defineProperty(this,"id",{value:zi++}),this.uuid=vi(),this.name="",this.source=new Gi(e),this.mipmaps=[],this.mapping=i,this.channel=0,this.wrapS=n,this.wrapT=r,this.magFilter=s,this.minFilter=a,this.anisotropy=c,this.format=o,this.internalFormat=null,this.type=l,this.offset=new Ci(0,0),this.repeat=new Ci(1,1),this.center=new Ci(0,0),this.rotation=0,this.matrixAutoUpdate=!0,this.matrix=new Bi,this.generateMipmaps=!0,this.premultiplyAlpha=!1,this.flipY=!0,this.unpackAlignment=4,this.colorSpace=h,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(Vi).x}get height(){return this.source.getSize(Vi).y}get depth(){return this.source.getSize(Vi).z}get image(){return this.source.data}set image(t=null){this.source.data=t}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}addUpdateRange(t,e){this.updateRanges.push({start:t,count:e})}clearUpdateRanges(){this.updateRanges.length=0}clone(){return(new this.constructor).copy(this)}copy(t){return this.name=t.name,this.source=t.source,this.mipmaps=t.mipmaps.slice(0),this.mapping=t.mapping,this.channel=t.channel,this.wrapS=t.wrapS,this.wrapT=t.wrapT,this.magFilter=t.magFilter,this.minFilter=t.minFilter,this.anisotropy=t.anisotropy,this.format=t.format,this.internalFormat=t.internalFormat,this.type=t.type,this.offset.copy(t.offset),this.repeat.copy(t.repeat),this.center.copy(t.center),this.rotation=t.rotation,this.matrixAutoUpdate=t.matrixAutoUpdate,this.matrix.copy(t.matrix),this.generateMipmaps=t.generateMipmaps,this.premultiplyAlpha=t.premultiplyAlpha,this.flipY=t.flipY,this.unpackAlignment=t.unpackAlignment,this.colorSpace=t.colorSpace,this.renderTarget=t.renderTarget,this.isRenderTargetTexture=t.isRenderTargetTexture,this.isArrayTexture=t.isArrayTexture,this.userData=JSON.parse(JSON.stringify(t.userData)),this.needsUpdate=!0,this}setValues(t){for(const e in t){const i=t[e];if(void 0===i){hi(`Texture.setValues(): parameter '${e}' has value of undefined.`);continue}const n=this[e];void 0!==n?n&&i&&n.isVector2&&i.isVector2||n&&i&&n.isVector3&&i.isVector3||n&&i&&n.isMatrix3&&i.isMatrix3?n.copy(i):this[e]=i:hi(`Texture.setValues(): property '${e}' does not exist.`)}}toJSON(t){const e=void 0===t||"string"==typeof t;if(!e&&void 0!==t.textures[this.uuid])return t.textures[this.uuid];const i={metadata:{version:4.7,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,image:this.source.toJSON(t).uuid,mapping:this.mapping,channel:this.channel,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,internalFormat:this.internalFormat,type:this.type,colorSpace:this.colorSpace,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,generateMipmaps:this.generateMipmaps,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return Object.keys(this.userData).length>0&&(i.userData=this.userData),e||(t.textures[this.uuid]=i),i}dispose(){this.dispatchEvent({type:"dispose"})}transformUv(t){if(this.mapping!==pt)return t;if(t.applyMatrix3(this.matrix),t.x<0||t.x>1)switch(this.wrapS){case vt:t.x=t.x-Math.floor(t.x);break;case bt:t.x=t.x<0?0:1;break;case yt:1===Math.abs(Math.floor(t.x)%2)?t.x=Math.ceil(t.x)-t.x:t.x=t.x-Math.floor(t.x)}if(t.y<0||t.y>1)switch(this.wrapT){case vt:t.y=t.y-Math.floor(t.y);break;case bt:t.y=t.y<0?0:1;break;case yt:1===Math.abs(Math.floor(t.y)%2)?t.y=Math.ceil(t.y)-t.y:t.y=t.y-Math.floor(t.y)}return this.flipY&&(t.y=1-t.y),t}set needsUpdate(t){!0===t&&(this.version++,this.source.needsUpdate=!0)}set needsPMREMUpdate(t){!0===t&&this.pmremVersion++}};Wi.DEFAULT_IMAGE=null,Wi.DEFAULT_MAPPING=pt,Wi.DEFAULT_ANISOTROPY=1;class qi{constructor(t=0,e=0,i=0,n=1){qi.prototype.isVector4=!0,this.x=t,this.y=e,this.z=i,this.w=n}get width(){return this.z}set width(t){this.z=t}get height(){return this.w}set height(t){this.w=t}set(t,e,i,n){return this.x=t,this.y=e,this.z=i,this.w=n,this}setScalar(t){return this.x=t,this.y=t,this.z=t,this.w=t,this}setX(t){return this.x=t,this}setY(t){return this.y=t,this}setZ(t){return this.z=t,this}setW(t){return this.w=t,this}setComponent(t,e){switch(t){case 0:this.x=e;break;case 1:this.y=e;break;case 2:this.z=e;break;case 3:this.w=e;break;default:throw new Error("index is out of range: "+t)}return this}getComponent(t){switch(t){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw new Error("index is out of range: "+t)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(t){return this.x=t.x,this.y=t.y,this.z=t.z,this.w=void 0!==t.w?t.w:1,this}add(t){return this.x+=t.x,this.y+=t.y,this.z+=t.z,this.w+=t.w,this}addScalar(t){return this.x+=t,this.y+=t,this.z+=t,this.w+=t,this}addVectors(t,e){return this.x=t.x+e.x,this.y=t.y+e.y,this.z=t.z+e.z,this.w=t.w+e.w,this}addScaledVector(t,e){return this.x+=t.x*e,this.y+=t.y*e,this.z+=t.z*e,this.w+=t.w*e,this}sub(t){return this.x-=t.x,this.y-=t.y,this.z-=t.z,this.w-=t.w,this}subScalar(t){return this.x-=t,this.y-=t,this.z-=t,this.w-=t,this}subVectors(t,e){return this.x=t.x-e.x,this.y=t.y-e.y,this.z=t.z-e.z,this.w=t.w-e.w,this}multiply(t){return this.x*=t.x,this.y*=t.y,this.z*=t.z,this.w*=t.w,this}multiplyScalar(t){return this.x*=t,this.y*=t,this.z*=t,this.w*=t,this}applyMatrix4(t){const e=this.x,i=this.y,n=this.z,r=this.w,s=t.elements;return this.x=s[0]*e+s[4]*i+s[8]*n+s[12]*r,this.y=s[1]*e+s[5]*i+s[9]*n+s[13]*r,this.z=s[2]*e+s[6]*i+s[10]*n+s[14]*r,this.w=s[3]*e+s[7]*i+s[11]*n+s[15]*r,this}divide(t){return this.x/=t.x,this.y/=t.y,this.z/=t.z,this.w/=t.w,this}divideScalar(t){return this.multiplyScalar(1/t)}setAxisAngleFromQuaternion(t){this.w=2*Math.acos(t.w);const e=Math.sqrt(1-t.w*t.w);return e<1e-4?(this.x=1,this.y=0,this.z=0):(this.x=t.x/e,this.y=t.y/e,this.z=t.z/e),this}setAxisAngleFromRotationMatrix(t){let e,i,n,r;const s=.01,a=.1,o=t.elements,l=o[0],c=o[4],h=o[8],u=o[1],d=o[5],p=o[9],A=o[2],g=o[6],m=o[10];if(Math.abs(c-u)<s&&Math.abs(h-A)<s&&Math.abs(p-g)<s){if(Math.abs(c+u)<a&&Math.abs(h+A)<a&&Math.abs(p+g)<a&&Math.abs(l+d+m-3)<a)return this.set(1,0,0,0),this;e=Math.PI;const t=(l+1)/2,o=(d+1)/2,f=(m+1)/2,v=(c+u)/4,b=(h+A)/4,y=(p+g)/4;return t>o&&t>f?t<s?(i=0,n=.707106781,r=.707106781):(i=Math.sqrt(t),n=v/i,r=b/i):o>f?o<s?(i=.707106781,n=0,r=.707106781):(n=Math.sqrt(o),i=v/n,r=y/n):f<s?(i=.707106781,n=.707106781,r=0):(r=Math.sqrt(f),i=b/r,n=y/r),this.set(i,n,r,e),this}let f=Math.sqrt((g-p)*(g-p)+(h-A)*(h-A)+(u-c)*(u-c));return Math.abs(f)<.001&&(f=1),this.x=(g-p)/f,this.y=(h-A)/f,this.z=(u-c)/f,this.w=Math.acos((l+d+m-1)/2),this}setFromMatrixPosition(t){const e=t.elements;return this.x=e[12],this.y=e[13],this.z=e[14],this.w=e[15],this}min(t){return this.x=Math.min(this.x,t.x),this.y=Math.min(this.y,t.y),this.z=Math.min(this.z,t.z),this.w=Math.min(this.w,t.w),this}max(t){return this.x=Math.max(this.x,t.x),this.y=Math.max(this.y,t.y),this.z=Math.max(this.z,t.z),this.w=Math.max(this.w,t.w),this}clamp(t,e){return this.x=bi(this.x,t.x,e.x),this.y=bi(this.y,t.y,e.y),this.z=bi(this.z,t.z,e.z),this.w=bi(this.w,t.w,e.w),this}clampScalar(t,e){return this.x=bi(this.x,t,e),this.y=bi(this.y,t,e),this.z=bi(this.z,t,e),this.w=bi(this.w,t,e),this}clampLength(t,e){const i=this.length();return this.divideScalar(i||1).multiplyScalar(bi(i,t,e))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this.w=Math.trunc(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(t){return this.x*t.x+this.y*t.y+this.z*t.z+this.w*t.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(t){return this.normalize().multiplyScalar(t)}lerp(t,e){return this.x+=(t.x-this.x)*e,this.y+=(t.y-this.y)*e,this.z+=(t.z-this.z)*e,this.w+=(t.w-this.w)*e,this}lerpVectors(t,e,i){return this.x=t.x+(e.x-t.x)*i,this.y=t.y+(e.y-t.y)*i,this.z=t.z+(e.z-t.z)*i,this.w=t.w+(e.w-t.w)*i,this}equals(t){return t.x===this.x&&t.y===this.y&&t.z===this.z&&t.w===this.w}fromArray(t,e=0){return this.x=t[e],this.y=t[e+1],this.z=t[e+2],this.w=t[e+3],this}toArray(t=[],e=0){return t[e]=this.x,t[e+1]=this.y,t[e+2]=this.z,t[e+3]=this.w,t}fromBufferAttribute(t,e){return this.x=t.getX(e),this.y=t.getY(e),this.z=t.getZ(e),this.w=t.getW(e),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}}class ji extends pi{constructor(t=1,e=1,i={}){super(),i=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:St,depthBuffer:!0,stencilBuffer:!1,resolveDepthBuffer:!0,resolveStencilBuffer:!0,depthTexture:null,samples:0,count:1,depth:1,multiview:!1},i),this.isRenderTarget=!0,this.width=t,this.height=e,this.depth=i.depth,this.scissor=new qi(0,0,t,e),this.scissorTest=!1,this.viewport=new qi(0,0,t,e);const n={width:t,height:e,depth:i.depth},r=new Wi(n);this.textures=[];const s=i.count;for(let t=0;t<s;t++)this.textures[t]=r.clone(),this.textures[t].isRenderTargetTexture=!0,this.textures[t].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(t={}){const e={minFilter:St,generateMipmaps:!1,flipY:!1,internalFormat:null};void 0!==t.mapping&&(e.mapping=t.mapping),void 0!==t.wrapS&&(e.wrapS=t.wrapS),void 0!==t.wrapT&&(e.wrapT=t.wrapT),void 0!==t.wrapR&&(e.wrapR=t.wrapR),void 0!==t.magFilter&&(e.magFilter=t.magFilter),void 0!==t.minFilter&&(e.minFilter=t.minFilter),void 0!==t.format&&(e.format=t.format),void 0!==t.type&&(e.type=t.type),void 0!==t.anisotropy&&(e.anisotropy=t.anisotropy),void 0!==t.colorSpace&&(e.colorSpace=t.colorSpace),void 0!==t.flipY&&(e.flipY=t.flipY),void 0!==t.generateMipmaps&&(e.generateMipmaps=t.generateMipmaps),void 0!==t.internalFormat&&(e.internalFormat=t.internalFormat);for(let t=0;t<this.textures.length;t++){this.textures[t].setValues(e)}}get texture(){return this.textures[0]}set texture(t){this.textures[0]=t}set depthTexture(t){null!==this._depthTexture&&(this._depthTexture.renderTarget=null),null!==t&&(t.renderTarget=this),this._depthTexture=t}get depthTexture(){return this._depthTexture}setSize(t,e,i=1){if(this.width!==t||this.height!==e||this.depth!==i){this.width=t,this.height=e,this.depth=i;for(let n=0,r=this.textures.length;n<r;n++)this.textures[n].image.width=t,this.textures[n].image.height=e,this.textures[n].image.depth=i,!0!==this.textures[n].isData3DTexture&&(this.textures[n].isArrayTexture=this.textures[n].image.depth>1);this.dispose()}this.viewport.set(0,0,t,e),this.scissor.set(0,0,t,e)}clone(){return(new this.constructor).copy(this)}copy(t){this.width=t.width,this.height=t.height,this.depth=t.depth,this.scissor.copy(t.scissor),this.scissorTest=t.scissorTest,this.viewport.copy(t.viewport),this.textures.length=0;for(let e=0,i=t.textures.length;e<i;e++){this.textures[e]=t.textures