https://weyonechildfoundation.org/assets/three-BSUsrwm3.js

1applyMatrix3(e){let t=this.x,n=this.y,r=e.elements;return this.x=r[0]*t+r[3]*n+r[6],this.y=r[1]*t+r[4]*n+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=z(this.x,e.x,t.x),this.y=z(this.y,e.y,t.y),this}clampScalar(e,t){return this.x=z(this.x,e,t),this.y=z(this.y,e,t),this}clampLength(e,t){let n=this.length();return this.divideScalar(n||1).multiplyScalar(z(n,e,t))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this}negate(){return this.x=-this.x,this.y=-this.y,this}dot(e){return this.x*e.x+this.y*e.y}cross(e){return this.x*e.y-this.y*e.x}lengthSq(){return this.x*this.x+this.y*this.y}length(){return Math.sqrt(this.x*this.x+this.y*this.y)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)}normalize(){return this.divideScalar(this.length()||1)}angle(){return Math.atan2(-this.y,-this.x)+Math.PI}angleTo(e){let t=Math.sqrt(this.lengthSq()*e.lengthSq());if(t===0)return Math.PI/2;let n=this.dot(e)/t;return Math.acos(z(n,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){let t=this.x-e.x,n=this.y-e.y;return t*t+n*n}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)}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}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this}equals(e){return e.x===this.x&&e.y===this.y}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this}rotateAround(e,t){let n=Math.cos(t),r=Math.sin(t),i=this.x-e.x,a=this.y-e.y;return this.x=i*n-a*r+e.x,this.y=i*r+a*n+e.y,this}random(){return this.x=Math.random(),this.y=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y}},En=class{constructor(e=0,t=0,n=0,r=1){this.isQuaternion=!0,this._x=e,this._y=t,this._z=n,this._w=r}static slerpFlat(e,t,n,r,i,a,o){let s=n[r+0],c=n[r+1],l=n[r+2],u=n[r+3],d=i[a+0],f=i[a+1],p=i[a+2],m=i[a+3];if(u!==m||s!==d||c!==f||l!==p){let e=s*d+c*f+l*p+u*m;e<0&&(d=-d,f=-f,p=-p,m=-m,e=-e);let t=1-o;if(e<.9995){let n=Math.acos(e),r=Math.sin(n);t=Math.sin(t*n)/r,o=Math.sin(o*n)/r,s=s*t+d*o,c=c*t+f*o,l=l*t+p*o,u=u*t+m*o}else{s=s*t+d*o,c=c*t+f*o,l=l*t+p*o,u=u*t+m*o;let e=1/Math.sqrt(s*s+c*c+l*l+u*u);s*=e,c*=e,l*=e,u*=e}}e[t]=s,e[t+1]=c,e[t+2]=l,e[t+3]=u}static multiplyQuaternionsFlat(e,t,n,r,i,a){let o=n[r],s=n[r+1],c=n[r+2],l=n[r+3],u=i[a],d=i[a+1],f=i[a+2],p=i[a+3];return e[t]=o*p+l*u+s*f-c*d,e[t+1]=s*p+l*d+c*u-o*f,e[t+2]=c*p+l*f+o*d-s*u,e[t+3]=l*p-o*u-s*d-c*f,e}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 w(){return this._w}set w(e){this._w=e,this._onChangeCallback()}set(e,t,n,r){return this._x=e,this._y=t,this._z=n,this._w=r,this._onChangeCallback(),this}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,this._onChangeCallback(),this}setFromEuler(e,t=!0){let n=e._x,r=e._y,i=e._z,a=e._order,o=Math.cos,s=Math.sin,c=o(n/2),l=o(r/2),u=o(i/2),d=s(n/2),f=s(r/2),p=s(i/2);switch(a){case`XYZ`:this._x=d*l*u+c*f*p,this._y=c*f*u-d*l*p,this._z=c*l*p+d*f*u,this._w=c*l*u-d*f*p;break;case`YXZ`:this._x=d*l*u+c*f*p,this._y=c*f*u-d*l*p,this._z=c*l*p-d*f*u,this._w=c*l*u+d*f*p;break;case`ZXY`:this._x=d*l*u-c*f*p,this._y=c*f*u+d*l*p,this._z=c*l*p+d*f*u,this._w=c*l*u-d*f*p;break;case`ZYX`:this._x=d*l*u-c*f*p,this._y=c*f*u+d*l*p,this._z=c*l*p-d*f*u,this._w=c*l*u+d*f*p;break;case`YZX`:this._x=d*l*u+c*f*p,this._y=c*f*u+d*l*p,this._z=c*l*p-d*f*u,this._w=c*l*u-d*f*p;break;case`XZY`:this._x=d*l*u-c*f*p,this._y=c*f*u-d*l*p,this._z=c*l*p+d*f*u,this._w=c*l*u+d*f*p;break;default:L(`Quaternion: .setFromEuler() encountered an unknown order: `+a)}return t===!0&&this._onChangeCallback(),this}setFromAxisAngle(e,t){let n=t/2,r=Math.sin(n);return this._x=e.x*r,this._y=e.y*r,this._z=e.z*r,this._w=Math.cos(n),this._onChangeCallback(),this}setFromRotationMatrix(e){let t=e.elements,n=t[0],r=t[4],i=t[8],a=t[1],o=t[5],s=t[9],c=t[2],l=t[6],u=t[10],d=n+o+u;if(d>0){let e=.5/Math.sqrt(d+1);this._w=.25/e,this._x=(l-s)*e,this._y=(i-c)*e,this._z=(a-r)*e}else if(n>o&&n>u){let e=2*Math.sqrt(1+n-o-u);this._w=(l-s)/e,this._x=.25*e,this._y=(r+a)/e,this._z=(i+c)/e}else if(o>u){let e=2*Math.sqrt(1+o-n-u);this._w=(i-c)/e,this._x=(r+a)/e,this._y=.25*e,this._z=(s+l)/e}else{let e=2*Math.sqrt(1+u-n-o);this._w=(a-r)/e,this._x=(i+c)/e,this._y=(s+l)/e,this._z=.25*e}return this._onChangeCallback(),this}setFromUnitVectors(e,t){let n=e.dot(t)+1;return n<1e-8?(n=0,Math.abs(e.x)>

1Math.abs(e.z)?(this._x=-e.y,this._y=e.x,this._z=0,this._w=n):(this._x=0,this._y=-e.z,this._z=e.y,this._w=n)):(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=n),this.normalize()}angleTo(e){return 2*Math.acos(Math.abs(z(this.dot(e),-1,1)))}rotateTowards(e,t){let n=this.angleTo(e);if(n===0)return this;let r=Math.min(1,t/n);return this.slerp(e,r),this}identity(){return this.set(0,0,0,1)}invert(){return this.conjugate()}conjugate(){return this._x*=-1,this._y*=-1,this._z*=-1,this._onChangeCallback(),this}dot(e){return this._x*e._x+this._y*e._y+this._z*e._z+this._w*e._w}lengthSq(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w}length(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w)}normalize(){let e=this.length();return e===0?(this._x=0,this._y=0,this._z=0,this._w=1):(e=1/e,this._x*=e,this._y*=e,this._z*=e,this._w*=e),this._onChangeCallback(),this}multiply(e){return this.multiplyQuaternions(this,e)}premultiply(e){return this.multiplyQuaternions(e,this)}multiplyQuaternions(e,t){let n=e._x,r=e._y,i=e._z,a=e._w,o=t._x,s=t._y,c=t._z,l=t._w;return this._x=n*l+a*o+r*c-i*s,this._y=r*l+a*s+i*o-n*c,this._z=i*l+a*c+n*s-r*o,this._w=a*l-n*o-r*s-i*c,this._onChangeCallback(),this}slerp(e,t){let n=e._x,r=e._y,i=e._z,a=e._w,o=this.dot(e);o<0&&(n=-n,r=-r,i=-i,a=-a,o=-o);let s=1-t;if(o<.9995){let e=Math.acos(o),c=Math.sin(e);s=Math.sin(s*e)/c,t=Math.sin(t*e)/c,this._x=this._x*s+n*t,this._y=this._y*s+r*t,this._z=this._z*s+i*t,this._w=this._w*s+a*t,this._onChangeCallback()}else this._x=this._x*s+n*t,this._y=this._y*s+r*t,this._z=this._z*s+i*t,this._w=this._w*s+a*t,this.normalize();return this}slerpQuaternions(e,t,n){return this.copy(e).slerp(t,n)}random(){let e=2*Math.PI*Math.random(),t=2*Math.PI*Math.random(),n=Math.random(),r=Math.sqrt(1-n),i=Math.sqrt(n);return this.set(r*Math.sin(e),r*Math.cos(e),i*Math.sin(t),i*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}},H=class e{static{e.prototype.isVector3=!0}constructor(e=0,t=0,n=0){this.x=e,this.y=t,this.z=n}set(e,t,n){return n===void 0&&(n=this.z),this.x=e,this.y=t,this.z=n,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;default:throw Error(`THREE.Vector3: 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 Error(`THREE.Vector3: 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(On.setFromEuler(e))}applyAxisAngle(e,t){return this.applyQuaternion(On.setFromAxisAngle(e,t))}applyMatrix3(e){let t=this.x,n=this.y,r=this.z,i=e.elements;return this.x=i[0]*t+i[3]*n+i[6]*r,this.y=i[1]*t+i[4]*n+i[7]*r,this.z=i[2]*t+i[5]*n+i[8]*r,this}applyNormalMatrix(e){return this.applyMatrix3(e).normalize()}applyMatrix4(e){let t=this.x,n=this.y,r=this.z,i=e.elements,a=1/(i[3]*t+i[7]*n+i[11]*r+i[15]);return this.x=(i[0]*t+i[4]*n+i[8]*r+i[12])*a,this.y=(i[1]*t+i[5]*n+i[9]*r+i[13])*a,this.z=(i[2]*t+i[6]*n+i[10]*r+i[14])*a,this}

1applyQuaternion(e){let t=this.x,n=this.y,r=this.z,i=e.x,a=e.y,o=e.z,s=e.w,c=2*(a*r-o*n),l=2*(o*t-i*r),u=2*(i*n-a*t);return this.x=t+s*c+a*u-o*l,this.y=n+s*l+o*c-i*u,this.z=r+s*u+i*l-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){let t=this.x,n=this.y,r=this.z,i=e.elements;return this.x=i[0]*t+i[4]*n+i[8]*r,this.y=i[1]*t+i[5]*n+i[9]*r,this.z=i[2]*t+i[6]*n+i[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=z(this.x,e.x,t.x),this.y=z(this.y,e.y,t.y),this.z=z(this.z,e.z,t.z),this}clampScalar(e,t){return this.x=z(this.x,e,t),this.y=z(this.y,e,t),this.z=z(this.z,e,t),this}clampLength(e,t){let n=this.length();return this.divideScalar(n||1).multiplyScalar(z(n,e,t))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this}cross(e){return this.crossVectors(this,e)}crossVectors(e,t){let n=e.x,r=e.y,i=e.z,a=t.x,o=t.y,s=t.z;return this.x=r*s-i*o,this.y=i*a-n*s,this.z=n*o-r*a,this}projectOnVector(e){let t=e.lengthSq();if(t===0)return this.set(0,0,0);let n=e.dot(this)/t;return this.copy(e).multiplyScalar(n)}projectOnPlane(e){return Dn.copy(this).projectOnVector(e),this.sub(Dn)}reflect(e){return this.sub(Dn.copy(e).multiplyScalar(2*this.dot(e)))}angleTo(e){let t=Math.sqrt(this.lengthSq()*e.lengthSq());if(t===0)return Math.PI/2;let n=this.dot(e)/t;return Math.acos(z(n,-1,1))}distanceTo(e){return Math.sqrt(this.distanceToSquared(e))}distanceToSquared(e){let t=this.x-e.x,n=this.y-e.y,r=this.z-e.z;return t*t+n*n+r*r}manhattanDistanceTo(e){return Math.abs(this.x-e.x)+Math.abs(this.y-e.y)+Math.abs(this.z-e.z)}setFromSpherical(e){return this.setFromSphericalCoords(e.radius,e.phi,e.theta)}setFromSphericalCoords(e,t,n){let r=Math.sin(t)*e;return this.x=r*Math.sin(n),this.y=Math.cos(t)*e,this.z=r*Math.cos(n),this}setFromCylindrical(e){return this.setFromCylindricalCoords(e.radius,e.theta,e.y)}setFromCylindricalCoords(e,t,n){return this.x=e*Math.sin(t),this.y=n,this.z=e*Math.cos(t),this}setFromMatrixPosition(e){let t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this}setFromMatrixScale(e){let t=this.setFromMatrixColumn(e,0).length(),n=this.setFromMatrixColumn(e,1).length(),r=this.setFromMatrixColumn(e,2).length();return this.x=t,this.y=n,this.z=r,this}setFromMatrixColumn(e,t){return this.fromArray(e.elements,t*4)}setFromMatrix3Column(e,t){return this.fromArray(e.elements,t*3)}setFromEuler(e){return this.x=e._x,this.y=e._y,this.z=e._z,this}setFromColor(e){return this.x=e.r,this.y=e.g,this.z=e.b,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this}randomDirection(){let e=Math.random()*Math.PI*2,t=Math.random()*2-1,n=Math.sqrt(1-t*t);return this.x=n*Math.cos(e),this.y=t,this.z=n*Math.sin(e),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z}},Dn=new H,On=new En,U=class e{static{e.prototype.isMatrix3=!0}constructor(e,t,n,r,i,a,o,s,c){this.elements=[1,0,0,0,1,0,0,0,1],e!==void 0&&this.set(e,t,n,r,i,a,o,s,c)}set(e,t,n,r,i,a,o,s,c){let l=this.elements;return l[0]=e,l[1]=r,l[2]=o,l[3]=t,l[4]=i,l[5]=s,l[6]=n,l[7]=a,l[8]=c,this}identity(){return this.set(1,0,0,0,1,0,0,0,1),this}copy(e){let t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],this}extractBasis(e,t,n){return e.setFromMatrix3Column(this,0),t.setFromMatrix3Column(this,1),n.setFromMatrix3Column(this,2),this}setFromMatrix4(e){let 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){let n=e.elements,r=t.elements,i=this.elements,a=n[0],o=n[3],s=n[6],c=n[1],l=n[4],u=n[7],d=n[2],f=n[5],p=n[8],m=r[0],h=r[3],g=r[6],_=r[1],v=r[4],y=r[7],b=r[2],x=r[5],S=r[8];return i[0]=a*m+o*_+s*b,i[3]=a*h+o*v+s*x,i[6]=a*g+o*y+s*S,i[1]=c*m+l*_+u*b,i[4]=c*h+l*v+u*x,i[7]=c*g+l*y+u*S,i[2]=d*m+f*_+p*b,i[5]=d*h+f*v+p*x,i[8]=d*g+f*y+p*S,this}multiplyScalar(e){let t=this.elements;return t[0]*=e,t[3]*=e,t[6]*=e,t[1]*=e,t[4]*=e,t[7]*=e,t[2]*=e,t[5]*=e,t[8]*=e,this}determinant(){let e=this.elements,t=e[0],n=e[1],r=e[2],i=e[3],a=e[4],o=e[5],s=e[6],c=e[7],l=e[8];return t*a*l-t*o*c-n*i*l+n*o*s+r*i*c-r*a*s}invert(){let e=this.elements,t=e[0],n=e[1],r=e[2],i=e[3],a=e[4],o=e[5],s=e[6],c=e[7],l=e[8],u=l*a-o*c,d=o*s-l*i,f=c*i-a*s,p=t*u+n*d+r*f;if(p===0)return this.set(0,0,0,0,0,0,0,0,0);let m=1/p;return e[0]=u*m,e[1]=(r*c-l*n)*m,e[2]=(o*n-r*a)*m,e[3]=d*m,e[4]=(l*t-r*s)*m,e[5]=(r*i-o*t)*m,e[6]=f*m,e[7]=(n*s-c*t)*m,e[8]=(a*t-n*i)*m,this}transpose(){let e,t=this.elements;return e=t[1],t[1]=t[3],t[3]=e,e=t[2],t[2]=t[6],t[6]=e,e=t[5],t[5]=t[7],t[7]=e,this}getNormalMatrix(e){return this.setFromMatrix4(e).invert().transpose()}transposeIntoArray(e){let t=this.elements;return e[0]=t[0],e[1]=t[3],e[2]=t[6],e[3]=t[1],e[4]=t[4],e[5]=t[7],e[6]=t[2],e[7]=t[5],e[8]=t[8],this}setUvTransform(e,t,n,r,i,a,o){let s=Math.cos(i),c=Math.sin(i);return this.set(n*s,n*c,-n*(s*a+c*o)+a+e,-r*c,r*s,-r*(-c*a+s*o)+o+t,0,0,1),this}scale(e,t){return Xt(`Matrix3: .scale() is deprecated. Use .makeScale() instead.`),this.premultiply(kn.makeScale(e,t)),this}rotate(e){return Xt(`Matrix3: .rotate() is deprecated. Use .makeRotation() instead.`),this.premultiply(kn.makeRotation(-e)),this}translate(e,t){return Xt(`Matrix3: .translate() is deprecated. 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1=u,this.userData={},this.updateRanges=[],this.version=0,this.onUpdate=null,this.renderTarget=null,this.isRenderTargetTexture=!1,this.isArrayTexture=!!(t&&t.depth&&t.depth>1),this.pmremVersion=0,this.normalized=!1}get width(){return this.source.getSize(Vn).x}get height(){return this.source.getSize(Vn).y}get depth(){return this.source.getSize(Vn).z}get image(){return this.source.data}set image(e){this.source.data=e}updateMatrix(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}clone(){return new this.constructor().copy(this)}copy(e){return this.name=e.name,this.source=e.source,this.mipmaps=e.mipmaps.slice(0),this.mapping=e.mapping,this.channel=e.channel,this.wrapS=e.wrapS,this.wrapT=e.wrapT,this.magFilter=e.magFilter,this.minFilter=e.minFilter,this.anisotropy=e.anisotropy,this.format=e.format,this.internalFormat=e.internalFormat,this.type=e.type,this.normalized=e.normalized,this.offset.copy(e.offset),this.repeat.copy(e.repeat),this.center.copy(e.center),this.rotation=e.rotation,this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrix.copy(e.matrix),this.generateMipmaps=e.generateMipmaps,this.premultiplyAlpha=e.premultiplyAlpha,this.flipY=e.flipY,this.unpackAlignment=e.unpackAlignment,this.colorSpace=e.colorSpace,this.renderTarget=e.renderTarget,this.isRenderTargetTexture=e.isRenderTargetTexture,this.isArrayTexture=e.isArrayTexture,this.userData=JSON.parse(JSON.stringify(e.userData)),this.needsUpdate=!0,this}setValues(e){for(let t in e){let n=e[t];if(n===void 0){L(`Texture.setValues(): parameter '${t}' has value of undefined.`);continue}let r=this[t];if(r===void 0){L(`Texture.setValues(): property '${t}' does not exist.`);continue}r&&n&&r.isVector2&&n.isVector2||r&&n&&r.isVector3&&n.isVector3||r&&n&&r.isMatrix3&&n.isMatrix3?r.copy(n):this[t]=n}}toJSON(e){let t=e===void 0||typeof e==`string`;if(!t&&e.textures[this.uuid]!==void 0)return e.textures[this.uuid];let n={metadata:{version:4.7,type:`Texture`,generator:`Texture.toJSON`},uuid:this.uuid,name:this.name,image:this.source.toJSON(e).uuid,mapping:this.mapping,channel:this.channel,repeat:[this.repeat.x,this.repeat.y],offset:[this.offset.x,this.offset.y],center:[this.center.x,this.center.y],rotation:this.rotation,wrap:[this.wrapS,this.wrapT],format:this.format,internalFormat:this.internalFormat,type:this.type,normalized:this.normalized,colorSpace:this.colorSpace,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,generateMipmaps:this.generateMipmaps,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};return Object.keys(this.userData).length>0&&(n.userData=this.userData),t||(e.textures[this.uuid]=n),n}dispose(){this.dispatchEvent({type:`dispose`})}transformUv(e){if(this.mapping!==300)return e;if(e.applyMatrix3(this.matrix),e.x<0||e.x>1)switch(this.wrapS){case p:e.x-=Math.floor(e.x);break;case m:e.x=e.x<0?0:1;break;case h:Math.abs(Math.floor(e.x)%2)===1?e.x=Math.ceil(e.x)-e.x:e.x-=Math.floor(e.x)}if(e.y<0||e.y>1)switch(this.wrapT){case p:e.y-=Math.floor(e.y);break;case m:e.y=e.y<0?0:1;break;case h:Math.abs(Math.floor(e.y)%2)===1?e.y=Math.ceil(e.y)-e.y:e.y-=Math.floor(e.y)}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++}};Hn.DEFAULT_IMAGE=null,Hn.DEFAULT_MAPPING=300,Hn.DEFAULT_ANISOTROPY=1;var Un=class e{static{e.prototype.isVector4=!0}constructor(e=0,t=0,n=0,r=1){this.x=e,this.y=t,this.z=n,this.w=r}get width(){return this.z}set width(e){this.z=e}get height(){return this.w}set height(e){this.w=e}set(e,t,n,r){return this.x=e,this.y=t,this.z=n,this.w=r,this}setScalar(e){return this.x=e,this.y=e,this.z=e,this.w=e,this}setX(e){return this.x=e,this}setY(e){return this.y=e,this}setZ(e){return this.z=e,this}setW(e){return this.w=e,this}setComponent(e,t){switch(e){case 0:this.x=t;break;case 1:this.y=t;break;case 2:this.z=t;break;case 3:this.w=t;break;default:throw Error(`THREE.Vector4: index is out of range: `+e)}return this}getComponent(e){switch(e){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw Error(`THREE.Vector4: index is out of range: `+e)}}clone(){return new this.constructor(this.x,this.y,this.z,this.w)}copy(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=e.w===void 0?1:e.w,this}add(e){return this.x+=e.x,this.y+=e.y,this.z+=e.z,this.w+=e.w,this}addScalar(e){return this.x+=e,this.y+=e,this.z+=e,this.w+=e,this}addVectors(e,t){return this.x=e.x+t.x,this.y=e.y+t.y,this.z=e.z+t.z,this.w=e.w+t.w,this}addScaledVector(e,t){return this.x+=e.x*t,this.y+=e.y*t,this.z+=e.z*t,this.w+=e.w*t,this}

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t,n,r,i,a=.01,o=.1,s=e.elements,c=s[0],l=s[4],u=s[8],d=s[1],f=s[5],p=s[9],m=s[2],h=s[6],g=s[10];if(Math.abs(l-d)<a&&Math.abs(u-m)<a&&Math.abs(p-h)<a){if(Math.abs(l+d)<o&&Math.abs(u+m)<o&&Math.abs(p+h)<o&&Math.abs(c+f+g-3)<o)return this.set(1,0,0,0),this;t=Math.PI;let e=(c+1)/2,s=(f+1)/2,_=(g+1)/2,v=(l+d)/4,y=(u+m)/4,b=(p+h)/4;return e>s&&e>_?e<a?(n=0,r=.707106781,i=.707106781):(n=Math.sqrt(e),r=v/n,i=y/n):s>_?s<a?(n=.707106781,r=0,i=.707106781):(r=Math.sqrt(s),n=v/r,i=b/r):_<a?(n=.707106781,r=.707106781,i=0):(i=Math.sqrt(_),n=y/i,r=b/i),this.set(n,r,i,t),this}let _=Math.sqrt((h-p)*(h-p)+(u-m)*(u-m)+(d-l)*(d-l));return Math.abs(_)<.001&&(_=1),this.x=(h-p)/_,this.y=(u-m)/_,this.z=(d-l)/_,this.w=Math.acos((c+f+g-1)/2),this}setFromMatrixPosition(e){let t=e.elements;return this.x=t[12],this.y=t[13],this.z=t[14],this.w=t[15],this}min(e){return this.x=Math.min(this.x,e.x),this.y=Math.min(this.y,e.y),this.z=Math.min(this.z,e.z),this.w=Math.min(this.w,e.w),this}max(e){return this.x=Math.max(this.x,e.x),this.y=Math.max(this.y,e.y),this.z=Math.max(this.z,e.z),this.w=Math.max(this.w,e.w),this}clamp(e,t){return this.x=z(this.x,e.x,t.x),this.y=z(this.y,e.y,t.y),this.z=z(this.z,e.z,t.z),this.w=z(this.w,e.w,t.w),this}clampScalar(e,t){return this.x=z(this.x,e,t),this.y=z(this.y,e,t),this.z=z(this.z,e,t),this.w=z(this.w,e,t),this}clampLength(e,t){let n=this.length();return this.divideScalar(n||1).multiplyScalar(z(n,e,t))}floor(){return this.x=Math.floor(this.x),this.y=Math.floor(this.y),this.z=Math.floor(this.z),this.w=Math.floor(this.w),this}ceil(){return this.x=Math.ceil(this.x),this.y=Math.ceil(this.y),this.z=Math.ceil(this.z),this.w=Math.ceil(this.w),this}round(){return this.x=Math.round(this.x),this.y=Math.round(this.y),this.z=Math.round(this.z),this.w=Math.round(this.w),this}roundToZero(){return this.x=Math.trunc(this.x),this.y=Math.trunc(this.y),this.z=Math.trunc(this.z),this.w=Math.trunc(this.w),this}negate(){return this.x=-this.x,this.y=-this.y,this.z=-this.z,this.w=-this.w,this}dot(e){return this.x*e.x+this.y*e.y+this.z*e.z+this.w*e.w}lengthSq(){return this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w}length(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w)}manhattanLength(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)}normalize(){return this.divideScalar(this.length()||1)}setLength(e){return this.normalize().multiplyScalar(e)}lerp(e,t){return this.x+=(e.x-this.x)*t,this.y+=(e.y-this.y)*t,this.z+=(e.z-this.z)*t,this.w+=(e.w-this.w)*t,this}lerpVectors(e,t,n){return this.x=e.x+(t.x-e.x)*n,this.y=e.y+(t.y-e.y)*n,this.z=e.z+(t.z-e.z)*n,this.w=e.w+(t.w-e.w)*n,this}equals(e){return e.x===this.x&&e.y===this.y&&e.z===this.z&&e.w===this.w}fromArray(e,t=0){return this.x=e[t],this.y=e[t+1],this.z=e[t+2],this.w=e[t+3],this}toArray(e=[],t=0){return e[t]=this.x,e[t+1]=this.y,e[t+2]=this.z,e[t+3]=this.w,e}fromBufferAttribute(e,t){return this.x=e.getX(t),this.y=e.getY(t),this.z=e.getZ(t),this.w=e.getW(t),this}random(){return this.x=Math.random(),this.y=Math.random(),this.z=Math.random(),this.w=Math.random(),this}*[Symbol.iterator](){yield this.x,yield this.y,yield this.z,yield this.w}},Wn=class extends $t{constructor(e=1,t=1,n={}){super(),n=Object.assign({generateMipmaps:!1,internalFormat:null,minFilter:x,depthBuffer:!0,stencilBuffer:!1,resolveDepthBuffer:!0,resolveStencilBuffer:!0,depthTexture:null,samples:0,count:1,depth:1,multiview:!1,useArrayDepthTexture:!1},n),this.isRenderTarget=!0,this.width=e,this.height=t,this.depth=n.depth,this.scissor=new Un(0,0,e,t),this.scissorTest=!1,this.viewport=new Un(0,0,e,t),this.textures=[];let r=new Hn({width:e,height:t,depth:n.depth}),i=n.count;for(let e=0;e<i;e++)this.textures[e]=r.clone(),this.textures[e].isRenderTargetTexture=!0,this.textures[e].renderTarget=this;this._setTextureOptions(n),this.depthBuffer=n.depthBuffer,this.stencilBuffer=n.stencilBuffer,this.resolveDepthBuffer=n.resolveDepthBuffer,this.resolveStencilBuffer=n.resolveStencilBuffer,this._depthTexture=null,this.depthTexture=n.depthTexture,this.samples=n.samples,this.multiview=n.multiview,this.useArrayDepthTexture=n.useArrayDepthTexture}_setTextureOptions(e={}){let t={minFilter:x,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

1=e.colorSpace),e.flipY!==void 0&&(t.flipY=e.flipY),e.generateMipmaps!==void 0&&(t.generateMipmaps=e.generateMipmaps),e.internalFormat!==void 0&&(t.internalFormat=e.internalFormat);for(let e=0;e<this.textures.length;e++)this.textures[e].setValues(t)}get texture(){return this.textures[0]}set texture(e){this.textures[0]=e}set depthTexture(e){this._depthTexture!==null&&(this._depthTexture.renderTarget=null),e!==null&&(e.renderTarget=this),this._depthTexture=e}get depthTexture(){return this._depthTexture}setSize(e,t,n=1){if(this.width!==e||this.height!==t||this.depth!==n){this.width=e,this.height=t,this.depth=n;for(let r=0,i=this.textures.length;r<i;r++)this.textures[r].image.width=e,this.textures[r].image.height=t,this.textures[r].image.depth=n,this.textures[r].isData3DTexture!==!0&&(this.textures[r].isArrayTexture=this.textures[r].image.depth>1);this.dispose()}this.viewport.set(0,0,e,t),this.scissor.set(0,0,e,t)}clone(){return new this.constructor().copy(this)}copy(e){this.width=e.width,this.height=e.height,this.depth=e.depth,this.scissor.copy(e.scissor),this.scissorTest=e.scissorTest,this.viewport.copy(e.viewport),this.textures.length=0;for(let t=0,n=e.textures.length;t<n;t++){this.textures[t]=e.textures[t].clone(),this.textures[t].isRenderTargetTexture=!0,this.textures[t].renderTarget=this;let n=Object.assign({},e.textures[t].image);this.textures[t].source=new Rn(n)}return this.depthBuffer=e.depthBuffer,this.stencilBuffer=e.stencilBuffer,this.resolveDepthBuffer=e.resolveDepthBuffer,this.resolveStencilBuffer=e.resolveStencilBuffer,e.depthTexture!==null&&(this.depthTexture=e.depthTexture.clone()),this.samples=e.samples,this.multiview=e.multiview,this.useArrayDepthTexture=e.useArrayDepthTexture,this}dispose(){this.dispatchEvent({type:`dispose`})}},Gn=class extends Wn{constructor(e=1,t=1,n={}){super(e,t,n),this.isWebGLRenderTarget=!0}},Kn=class extends Hn{constructor(e=null,t=1,n=1,r=1){super(null),this.isDataArrayTexture=!0,this.image={data:e,width:t,height:n,depth:r},this.magFilter=g,this.minFilter=g,this.wrapR=m,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1,this.layerUpdates=new Set}addLayerUpdate(e){this.layerUpdates.add(e)}clearLayerUpdates(){this.layerUpdates.clear()}},qn=class extends Gn{constructor(e=1,t=1,n=1,r={}){super(e,t,r),this.isWebGLArrayRenderTarget=!0,this.depth=n,this.texture=new Kn(null,e,t,n),this._setTextureOptions(r),this.texture.isRenderTargetTexture=!0}},Jn=class extends Hn{constructor(e=null,t=1,n=1,r=1){super(null),this.isData3DTexture=!0,this.image={data:e,width:t,height:n,depth:r},this.magFilter=g,this.minFilter=g,this.wrapR=m,this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}},Yn=class extends Gn{constructor(e=1,t=1,n=1,r={}){super(e,t,r),this.isWebGL3DRenderTarget=!0,this.depth=n,this.texture=new Jn(null,e,t,n),this._setTextureOptions(r),this.texture.isRenderTargetTexture=!0}},G=class e{static{e.prototype.isMatrix4=!0}constructor(e,t,n,r,i,a,o,s,c,l,u,d,f,p,m,h){this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1],e!==void 0&&this.set(e,t,n,r,i,a,o,s,c,l,u,d,f,p,m,h)}set(e,t,n,r,i,a,o,s,c,l,u,d,f,p,m,h){let g=this.elements;return g[0]=e,g[4]=t,g[8]=n,g[12]=r,g[1]=i,g[5]=a,g[9]=o,g[13]=s,g[2]=c,g[6]=l,g[10]=u,g[14]=d,g[3]=f,g[7]=p,g[11]=m,g[15]=h,this}identity(){return this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1),this}clone(){return new e().fromArray(this.elements)}copy(e){let t=this.elements,n=e.elements;return t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],this}copyPosition(e){let t=this.elements,n=e.elements;return t[12]=n[12],t[13]=n[13],t[14]=n[14],this}setFromMatrix3(e){let t=e.elements;return this.set(t[0],t[3],t[6],0,t[1],t[4],t[7],0,t[2],t[5],t[8],0,0,0,0,1),this}extractBasis(e,t,n){return this.determinantAffine()===0?(e.set(1,0,0),t.set(0,1,0),n.set(0,0,1),this):(e.setFromMatrixColumn(this,0),t.setFromMatrixColumn(this,1),n.setFromMatrixColumn(this,2),this)}makeBasis(e,t,n){return this.set(e.x,t.x,n.x,0,e.y,t.y,n.y,0,e.z,t.z,n.z,0,0,0,0,1),this}extractRotation(e){if(e.determinantAffine()===0)return this.identity();let t=this.elements,n=e.elements,r=1/Xn.setFromMatrixColumn(e,0).length(),i=1/Xn.setFromMatrixColumn(e,1).length(),a=1/Xn.setFromMatrixColumn(e,2).length();return t[0]=n[0]*r,t[1]=n[1]*r,t[2]=n[2]*r,t[3]=0,t[4]=n[4]*i,t[5]=n[5]*i,t[6]=n[6]*i,t[7]=0,t[8]=n[8]*a,t[9]=n[9]*a,t[10]=n[10]*a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromEuler(e){let t=this.elements,n=e.x,r=e.y,i=e.z,a=Math.cos(n),o=Math.sin(n),s=Math.cos(r),c=Math.sin(r),l=Math.cos(i),u=Math.sin(i);if(e.order===`XYZ`){let e=a*l,n=a*u,r=o*l,i=o*u;t[0]=s*l,t[4]=-s*u,t[8]=c,t[1]=n+r*c,t[5]=e-i*c,t[9]=-o*s,t[2]=i-e*c,t[6]=r+n*c,t[10]=a*s}else if(e.order===`YXZ`){let e=s*l,n=s*u,r=c*l,i=c*u;t[0]=e+i*o,t[4]=r*o-n,t[8]=a*c,t[1]=a*u,t[5]=a*l,t[9]=-o,t[2]=n*o-r,t[6]=i+e*o,t[10]=a*s}else if(e.order===`ZXY`){let e=s*l,n=s*u,r=c*l,i=c*u;t[0]=e-i*o,t[4]=-a*u,t[8]=r+n*o,t[1]=n+r*o,t[5]=a*l,t[9]=i-e*o,t[2]=-a*c,t[6]=o,t[10]=a*s}else if(e.order===`ZYX`){let e=a*l,n=a*u,r=o*l,i=o*u;t[0]=s*l,t[4]=r*c-n,t[8]=e*c+i,t[1]=s*u,t[5]=i*c+e,t[9]=n*c-r,t[2]=-c,t[6]=o*s,t[10]=a*s}else if(e.order===`YZX`){let e=a*s,n=a*c,r=o*s,i=o*c;t[0]=s*l,t[4]=i-e*u,t[8]=r*u+n,t[1]=u,t[5]=a*l,t[9]=-o*l,t[2]=-c*l,t[6]=n*u+r,t[10]=e-i*u}else if(e.order===`XZY`){let e=a*s,n=a*c,r=o*s,i=o*c;t[0]=s*l,t[4]=-u,t[8]=c*l,t[1]=e*u+i,t[5]=a*l,t[9]=n*u-r,t[2]=r*u-n,t[6]=o*l,t[10]=i*u+e}return t[3]=0,t[7]=0,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,this}makeRotationFromQuaternion(e){return this.compose(Qn,e,$n)}lookAt(e,t,n){let r=this.elements;

1return nr.subVectors(e,t),nr.lengthSq()===0&&(nr.z=1),nr.normalize(),er.crossVectors(n,nr),er.lengthSq()===0&&(Math.abs(n.z)===1?nr.x+=1e-4:nr.z+=1e-4,nr.normalize(),er.crossVectors(n,nr)),er.normalize(),tr.crossVectors(nr,er),r[0]=er.x,r[4]=tr.x,r[8]=nr.x,r[1]=er.y,r[5]=tr.y,r[9]=nr.y,r[2]=er.z,r[6]=tr.z,r[10]=nr.z,this}multiply(e){return this.multiplyMatrices(this,e)}premultiply(e){return this.multiplyMatrices(e,this)}multiplyMatrices(e,t){let n=e.elements,r=t.elements,i=this.elements,a=n[0],o=n[4],s=n[8],c=n[12],l=n[1],u=n[5],d=n[9],f=n[13],p=n[2],m=n[6],h=n[10],g=n[14],_=n[3],v=n[7],y=n[11],b=n[15],x=r[0],S=r[4],C=r[8],w=r[12],T=r[1],E=r[5],D=r[9],O=r[13],k=r[2],A=r[6],ee=r[10],j=r[14],te=r[3],ne=r[7],re=r[11],ie=r[15];return i[0]=a*x+o*T+s*k+c*te,i[4]=a*S+o*E+s*A+c*ne,i[8]=a*C+o*D+s*ee+c*re,i[12]=a*w+o*O+s*j+c*ie,i[1]=l*x+u*T+d*k+f*te,i[5]=l*S+u*E+d*A+f*ne,i[9]=l*C+u*D+d*ee+f*re,i[13]=l*w+u*O+d*j+f*ie,i[2]=p*x+m*T+h*k+g*te,i[6]=p*S+m*E+h*A+g*ne,i[10]=p*C+m*D+h*ee+g*re,i[14]=p*w+m*O+h*j+g*ie,i[3]=_*x+v*T+y*k+b*te,i[7]=_*S+v*E+y*A+b*ne,i[11]=_*C+v*D+y*ee+b*re,i[15]=_*w+v*O+y*j+b*ie,this}multiplyScalar(e){let t=this.elements;return t[0]*=e,t[4]*=e,t[8]*=e,t[12]*=e,t[1]*=e,t[5]*=e,t[9]*=e,t[13]*=e,t[2]*=e,t[6]*=e,t[10]*=e,t[14]*=e,t[3]*=e,t[7]*=e,t[11]*=e,t[15]*=e,this}determinant(){let e=this.elements,t=e[0],n=e[4],r=e[8],i=e[12],a=e[1],o=e[5],s=e[9],c=e[13],l=e[2],u=e[6],d=e[10],f=e[14],p=e[3],m=e[7],h=e[11],g=e[15],_=s*f-c*d,v=o*f-c*u,y=o*d-s*u,b=a*f-c*l,x=a*d-s*l,S=a*u-o*l;return t*(m*_-h*v+g*y)-n*(p*_-h*b+g*x)+r*(p*v-m*b+g*S)-i*(p*y-m*x+h*S)}determinantAffine(){let e=this.elements,t=e[0],n=e[4],r=e[8],i=e[1],a=e[5],o=e[9],s=e[2],c=e[6],l=e[10];return t*(a*l-o*c)-n*(i*l-o*s)+r*(i*c-a*s)}transpose(){let e=this.elements,t;return t=e[1],e[1]=e[4],e[4]=t,t=e[2],e[2]=e[8],e[8]=t,t=e[6],e[6]=e[9],e[9]=t,t=e[3],e[3]=e[12],e[12]=t,t=e[7],e[7]=e[13],e[13]=t,t=e[11],e[11]=e[14],e[14]=t,this}setPosition(e,t,n){let r=this.elements;return e.isVector3?(r[12]=e.x,r[13]=e.y,r[14]=e.z):(r[12]=e,r[13]=t,r[14]=n),this}invert(){let e=this.elements,t=e[0],n=e[1],r=e[2],i=e[3],a=e[4],o=e[5],s=e[6],c=e[7],l=e[8],u=e[9],d=e[10],f=e[11],p=e[12],m=e[13],h=e[14],g=e[15],_=t*o-n*a,v=t*s-r*a,y=t*c-i*a,b=n*s-r*o,x=n*c-i*o,S=r*c-i*s,C=l*m-u*p,w=l*h-d*p,T=l*g-f*p,E=u*h-d*m,D=u*g-f*m,O=d*g-f*h,k=_*O-v*D+y*E+b*T-x*w+S*C;if(k===0)return this.set(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);let A=1/k;return e[0]=(o*O-s*D+c*E)*A,e[1]=(r*D-n*O-i*E)*A,e[2]=(m*S-h*x+g*b)*A,e[3]=(d*x-u*S-f*b)*A,e[4]=(s*T-a*O-c*w)*A,e[5]=(t*O-r*T+i*w)*A,e[6]=(h*y-p*S-g*v)*A,e[7]=(l*S-d*y+f*v)*A,e[8]=(a*D-o*T+c*C)*A,e[9]=(n*T-t*D-i*C)*A,e[10]=(p*x-m*y+g*_)*A,e[11]=(u*y-l*x-f*_)*A,e[12]=(o*w-a*E-s*C)*A,e[13]=(t*E-n*w+r*C)*A,e[14]=(m*v-p*b-h*_)*A,e[15]=(l*b-u*v+d*_)*A,this}scale(e){let t=this.elements,n=e.x,r=e.y,i=e.z;return t[0]*=n,t[4]*=r,t[8]*=i,t[1]*=n,t[5]*=r,t[9]*=i,t[2]*=n,t[6]*=r,t[10]*=i,t[3]*=n,t[7]*=r,t[11]*=i,this}getMaxScaleOnAxis(){let e=this.elements,t=e[0]*e[0]+e[1]*e[1]+e[2]*e[2],n=e[4]*e[4]+e[5]*e[5]+e[6]*e[6],r=e[8]*e[8]+e[9]*e[9]+e[10]*e[10];return Math.sqrt(Math.max(t,n,r))}makeTranslation(e,t,n){return e.isVector3?this.set(1,0,0,e.x,0,1,0,e.y,0,0,1,e.z,0,0,0,1):this.set(1,0,0,e,0,1,0,t,0,0,1,n,0,0,0,1),this}makeRotationX(e){let t=Math.cos(e),n=Math.sin(e);return this.set(1,0,0,0,0,t,-n,0,0,n,t,0,0,0,0,1),this}makeRotationY(e){let t=Math.cos(e),n=Math.sin(e);return this.set(t,0,n,0,0,1,0,0,-n,0,t,0,0,0,0,1),this}makeRotationZ(e){let t=Math.cos(e),n=Math.sin(e);return this.set(t,-n,0,0,n,t,0,0,0,0,1,0,0,0,0,1),this}makeRotationAxis(e,t){let n=Math.cos(t),r=Math.sin(t),i=1-n,a=e.x,o=e.y,s=e.z,c=i*a,l=i*o;return this.set(c*a+n,c*o-r*s,c*s+r*o,0,c*o+r*s,l*o+n,l*s-r*a,0,c*s-r*o,l*s+r*a,i*s*s+n,0,0,0,0,1),this}makeScale(e,t,n){return this.set(e,0,0,0,0,t,0,0,0,0,n,0,0,0,0,1),this}makeShear(e,t,n,r,i,a){return this.set(1,n,i,0,e,1,a,0,t,r,1,0,0,0,0,1),this}compose(e,t,n){let r=this.elements,i=t._x,a=t._y,o=t._z,s=t._w,c=i+i,l=a+a,u=o+o,d=i*c,f=i*l,p=i*u,m=a*l,h=a*u,g=o*u,_=s*c,v=s*l,y=s*u,b=n.x,x=n.y,S=n.z;return r[0]=(1-(m+g))*b,r[1]=(f+y)*b,r[2]=(p-v)*b,r[3]=0,r[4]=(f-y)*x,r[5]=(1-(d+g))*x,r[6]=(h+_)*x,r[7]=0,r[8]=(p+v)*S,r[9]=(h-_)*S,r[10]=(1-(d+m))*S,r[11]=0,r[12]=e.x,r[13]=e.y,r[14]=e.z,r[15]=1,this}decompose(e,t,n){let r=this.elements;e.x=r[12],e.y=r[13],e.z=r[14];let i=this.determinantAffine();if(i===0)return n.set(1,1,1),t.identity(),this;let a=Xn.set(r[0],r[1],r[2]).length(),o=Xn.set(r[4],r[5],r[6]).length(),s=Xn.set(r[8],r[9],r[10]).length();i<0&&(a=-a),Zn.copy(this);let c=1/a,l=1/o,u=1/s;return Zn.elements[0]*=c,Zn.elements[1]*=c,Zn.elements[2]*=c,Zn.elements[4]*=l,Zn.elements[5]*=l,Zn.elements[6]*=l,Zn.elements[8]*=u,Zn.elements[9]*=u,Zn.elements[10]*=u,t.setFromRotationMatrix(Zn),n.x=a,n.y=o,n.z=s,this}makePerspective(e,t,n,r,i,a,o=Mt,s=!1){let c=this.elements,l=2*i/(t-e),u=2*i/(n-r),d=(t+e)/(t-e),f=(n+r)/(n-r),p,m;if(s)p=i/(a-i),m=a*i/(a-i);else if(o===2e3)p=-(a+i)/(a-i),m=-2*a*i/(a-i);else if(o===2001)p=-a/(a-i),m=-a*i/(a-i);else throw Error(`THREE.Matrix4.makePerspective(): Invalid coordinate system: `+o);return c[0]=l,c[4]=0,c[8]=d,c[12]=0,c[1]=0,c[5]=u,c[9]=f,c[13]=0,c[2]=0,c[6]=0,c[10]=p,c[14]=m,c[3]=0,c[7]=0,c[11]=-1,c[15]=0,this}

1makeOrthographic(e,t,n,r,i,a,o=Mt,s=!1){let c=this.elements,l=2/(t-e),u=2/(n-r),d=-(t+e)/(t-e),f=-(n+r)/(n-r),p,m;if(s)p=1/(a-i),m=a/(a-i);else if(o===2e3)p=-2/(a-i),m=-(a+i)/(a-i);else if(o===2001)p=-1/(a-i),m=-i/(a-i);else throw Error(`THREE.Matrix4.makeOrthographic(): Invalid coordinate system: `+o);return c[0]=l,c[4]=0,c[8]=0,c[12]=d,c[1]=0,c[5]=u,c[9]=0,c[13]=f,c[2]=0,c[6]=0,c[10]=p,c[14]=m,c[3]=0,c[7]=0,c[11]=0,c[15]=1,this}equals(e){let t=this.elements,n=e.elements;for(let e=0;e<16;e++)if(t[e]!==n[e])return!1;return!0}fromArray(e,t=0){for(let n=0;n<16;n++)this.elements[n]=e[n+t];return this}toArray(e=[],t=0){let n=this.elements;return e[t]=n[0],e[t+1]=n[1],e[t+2]=n[2],e[t+3]=n[3],e[t+4]=n[4],e[t+5]=n[5],e[t+6]=n[6],e[t+7]=n[7],e[t+8]=n[8],e[t+9]=n[9],e[t+10]=n[10],e[t+11]=n[11],e[t+12]=n[12],e[t+13]=n[13],e[t+14]=n[14],e[t+15]=n[15],e}},Xn=new H,Zn=new G,Qn=new H(0,0,0),$n=new H(1,1,1),er=new H,tr=new H,nr=new H,rr=new G,ir=new En,ar=class e{constructor(t=0,n=0,r=0,i=e.DEFAULT_ORDER){this.isEuler=!0,this._x=t,this._y=n,this._z=r,this._order=i}get x(){return this._x}set x(e){this._x=e,this._onChangeCallback()}get y(){return this._y}set y(e){this._y=e,this._onChangeCallback()}get z(){return this._z}set z(e){this._z=e,this._onChangeCallback()}get order(){return this._order}set order(e){this._order=e,this._onChangeCallback()}set(e,t,n,r=this._order){return this._x=e,this._y=t,this._z=n,this._order=r,this._onChangeCallback(),this}clone(){return new this.constructor(this._x,this._y,this._z,this._order)}copy(e){return this._x=e._x,this._y=e._y,this._z=e._z,this._order=e._order,this._onChangeCallback(),this}setFromRotationMatrix(e,t=this._order,n=!0){let r=e.elements,i=r[0],a=r[4],o=r[8],s=r[1],c=r[5],l=r[9],u=r[2],d=r[6],f=r[10];switch(t){case`XYZ`:this._y=Math.asin(z(o,-1,1)),Math.abs(o)<.9999999?(this._x=Math.atan2(-l,f),this._z=Math.atan2(-a,i)):(this._x=Math.atan2(d,c),this._z=0);break;case`YXZ`:this._x=Math.asin(-z(l,-1,1)),Math.abs(l)<.9999999?(this._y=Math.atan2(o,f),this._z=Math.atan2(s,c)):(this._y=Math.atan2(-u,i),this._z=0);break;case`ZXY`:this._x=Math.asin(z(d,-1,1)),Math.abs(d)<.9999999?(this._y=Math.atan2(-u,f),this._z=Math.atan2(-a,c)):(this._y=0,this._z=Math.atan2(s,i));break;case`ZYX`:this._y=Math.asin(-z(u,-1,1)),Math.abs(u)<.9999999?(this._x=Math.atan2(d,f),this._z=Math.atan2(s,i)):(this._x=0,this._z=Math.atan2(-a,c));break;case`YZX`:this._z=Math.asin(z(s,-1,1)),Math.abs(s)<.9999999?(this._x=Math.atan2(-l,c),this._y=Math.atan2(-u,i)):(this._x=0,this._y=Math.atan2(o,f));break;case`XZY`:this._z=Math.asin(-z(a,-1,1)),Math.abs(a)<.9999999?(this._x=Math.atan2(d,c),this._y=Math.atan2(o,i)):(this._x=Math.atan2(-l,f),this._y=0);break;default:L(`Euler: .setFromRotationMatrix() encountered an unknown order: `+t)}return this._order=t,n===!0&&this._onChangeCallback(),this}setFromQuaternion(e,t,n){return rr.makeRotationFromQuaternion(e),this.setFromRotationMatrix(rr,t,n)}setFromVector3(e,t=this._order){return this.set(e.x,e.y,e.z,t)}reorder(e){return ir.setFromEuler(this),this.setFromQuaternion(ir,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}};ar.DEFAULT_ORDER=`XYZ`;var or=class{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))}},sr=0,cr=new H,lr=new En,ur=new G,dr=new H,fr=new H,pr=new H,mr=new En,hr=new H(1,0,0),gr=new H(0,1,0),_r=new H(0,0,1),vr={type:`added`},yr={type:`removed`},br={type:`childadded`,child:null},xr={type:`childremoved`,child:null},Sr=class e extends $t{constructor(){super(),this.isObject3D=!0,Object.defineProperty(this,"id",{value:sr++}),this.uuid=an(),this.name=``,this.type=`Object3D`,this.parent=null,this.children=[],this.up=e.DEFAULT_UP.clone();let t=new H,n=new ar,r=new En,i=new H(1,1,1);function a(){r.setFromEuler(n,!1)}function o(){n.setFromQuaternion(r,void 0,!1)}n._onChange(a),r._onChange(o),Object.defineProperties(this,{position:{configurable:!0,enumerable:!0,value:t},rotation:{configurable:!0,enumerable:!0,value:n},quaternion:{configurable:!0,enumerable:!0,value:r},scale:{configurable:!0,enumerable:!0,value:i},modelViewMatrix:{value:new G},normalMatrix:{value:new U}}),this.matrix=new G,this.matrixWorld=new G,this.matrixAutoUpdate=e.DEFAULT_MATRIX_AUTO_UPDATE,this.matrixWorldAutoUpdate=e.DEFAULT_MATRIX_WORLD_AUTO_UPDATE,this.matrixWorldNeedsUpdate=!1,this.layers=new or,this.visible=!0,this.castShadow=!1,this.receiveShadow=!1,this.frustumCulled=!0,this.renderOrder=0,this.animations=[],this.customDepthMaterial=void 0,this.customDistanceMaterial=void 0,this.static=!1,this.userData={},this.pivot=null}onBeforeShadow(){}onAfterShadow(){}onBeforeRender(){}onAfterRender(){}applyMatrix4(e){this.matrixAutoUpdate&&this.updateMatrix(),this.matrix.premultiply(e),this.matrix.decompose(this.position,this.quaternion,this.scale)}applyQuaternion(e){return this.quaternion.premultiply(e),this}setRotationFromAxisAngle(e,t){this.quaternion.setFromAxisAngle(e,t)}setRotationFromEuler(e){this.quaternion.setFromEuler(e,!0)}

1setRotationFromMatrix(e){this.quaternion.setFromRotationMatrix(e)}setRotationFromQuaternion(e){this.quaternion.copy(e)}rotateOnAxis(e,t){return lr.setFromAxisAngle(e,t),this.quaternion.multiply(lr),this}rotateOnWorldAxis(e,t){return lr.setFromAxisAngle(e,t),this.quaternion.premultiply(lr),this}rotateX(e){return this.rotateOnAxis(hr,e)}rotateY(e){return this.rotateOnAxis(gr,e)}rotateZ(e){return this.rotateOnAxis(_r,e)}translateOnAxis(e,t){return cr.copy(e).applyQuaternion(this.quaternion),this.position.add(cr.multiplyScalar(t)),this}translateX(e){return this.translateOnAxis(hr,e)}translateY(e){return this.translateOnAxis(gr,e)}translateZ(e){return this.translateOnAxis(_r,e)}localToWorld(e){return this.updateWorldMatrix(!0,!1),e.applyMatrix4(this.matrixWorld)}worldToLocal(e){return this.updateWorldMatrix(!0,!1),e.applyMatrix4(ur.copy(this.matrixWorld).invert())}lookAt(e,t,n){e.isVector3?dr.copy(e):dr.set(e,t,n);let r=this.parent;this.updateWorldMatrix(!0,!1),fr.setFromMatrixPosition(this.matrixWorld),this.isCamera||this.isLight?ur.lookAt(fr,dr,this.up):ur.lookAt(dr,fr,this.up),this.quaternion.setFromRotationMatrix(ur),r&&(ur.extractRotation(r.matrixWorld),lr.setFromRotationMatrix(ur),this.quaternion.premultiply(lr.invert()))}add(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.add(arguments[e]);return this}return e===this?(R(`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(vr),br.child=e,this.dispatchEvent(br),br.child=null):R(`Object3D.add: object not an instance of THREE.Object3D.`,e),this)}remove(e){if(arguments.length>1){for(let e=0;e<arguments.length;e++)this.remove(arguments[e]);return this}let t=this.children.indexOf(e);return t!==-1&&(e.parent=null,this.children.splice(t,1),e.dispatchEvent(yr),xr.child=e,this.dispatchEvent(xr),xr.child=null),this}removeFromParent(){let e=this.parent;return e!==null&&e.remove(this),this}clear(){return this.remove(...this.children)}attach(e){return this.updateWorldMatrix(!0,!1),ur.copy(this.matrixWorld).invert(),e.parent!==null&&(e.parent.updateWorldMatrix(!0,!1),ur.multiply(e.parent.matrixWorld)),e.applyMatrix4(ur),e.removeFromParent(),e.parent=this,this.children.push(e),e.updateWorldMatrix(!1,!0),e.dispatchEvent(vr),br.child=e,this.dispatchEvent(br),br.child=null,this}getObjectById(e){return this.getObjectByProperty(`id`,e)}getObjectByName(e){return this.getObjectByProperty(`name`,e)}getObjectByProperty(e,t){if(this[e]===t)return this;for(let n=0,r=this.children.length;n<r;n++){let r=this.children[n].getObjectByProperty(e,t);if(r!==void 0)return r}}getObjectsByProperty(e,t,n=[]){this[e]===t&&n.push(this);let r=this.children;for(let i=0,a=r.length;i<a;i++)r[i].getObjectsByProperty(e,t,n);return n}getWorldPosition(e){return this.updateWorldMatrix(!0,!1),e.setFromMatrixPosition(this.matrixWorld)}getWorldQuaternion(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(fr,e,pr),e}getWorldScale(e){return this.updateWorldMatrix(!0,!1),this.matrixWorld.decompose(fr,mr,e),e}getWorldDirection(e){this.updateWorldMatrix(!0,!1);let t=this.matrixWorld.elements;return e.set(t[8],t[9],t[10]).normalize()}raycast(){}traverse(e){e(this);let t=this.children;for(let n=0,r=t.length;n<r;n++)t[n].traverse(e)}traverseVisible(e){if(this.visible===!1)return;e(this);let t=this.children;for(let n=0,r=t.length;n<r;n++)t[n].traverseVisible(e)}traverseAncestors(e){let t=this.parent;t!==null&&(e(t),t.traverseAncestors(e))}updateMatrix(){this.matrix.compose(this.position,this.quaternion,this.scale);let e=this.pivot;if(e!==null){let t=e.x,n=e.y,r=e.z,i=this.matrix.elements;i[12]+=t-i[0]*t-i[4]*n-i[8]*r,i[13]+=n-i[1]*t-i[5]*n-i[9]*r,i[14]+=r-i[2]*t-i[6]*n-i[10]*r}this.matrixWorldNeedsUpdate=!0}updateMatrixWorld(e){this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||e)&&(this.matrixWorldAutoUpdate===!0&&(this.parent===null?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix)),this.matrixWorldNeedsUpdate=!1,e=!0);let t=this.children;for(let n=0,r=t.length;n<r;n++)t[n].updateMatrixWorld(e)}updateWorldMatrix(e,t,n=!1){let r=this.parent;if(e===!0&&r!==null&&r.updateWorldMatrix(!0,!1),this.matrixAutoUpdate&&this.updateMatrix(),(this.matrixWorldNeedsUpdate||n)&&(this.matrixWorldAutoUpdate===!0&&(this.parent===null?this.matrixWorld.copy(this.matrix

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r={};r.uuid=this.uuid,r.type=this.type,this.name!==``&&(r.name=this.name),this.castShadow===!0&&(r.castShadow=!0),this.receiveShadow===!0&&(r.receiveShadow=!0),this.visible===!1&&(r.visible=!1),this.frustumCulled===!1&&(r.frustumCulled=!1),this.renderOrder!==0&&(r.renderOrder=this.renderOrder),this.static!==!1&&(r.static=this.static),Object.keys(this.userData).length>0&&(r.userData=this.userData),r.layers=this.layers.mask,r.matrix=this.matrix.toArray(),r.up=this.up.toArray(),this.pivot!==null&&(r.pivot=this.pivot.toArray()),this.matrixAutoUpdate===!1&&(r.matrixAutoUpdate=!1),this.morphTargetDictionary!==void 0&&(r.morphTargetDictionary=Object.assign({},this.morphTargetDictionary)),this.morphTargetInfluences!==void 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this.constructor().copy(this,e)}copy(e,t=!0){if(this.name=e.name,this.up.copy(e.up),this.position.copy(e.position),this.rotation.order=e.rotation.order,this.quaternion.copy(e.quaternion),this.scale.copy(e.scale),this.pivot=e.pivot===null?null:e.pivot.clone(),this.matrix.copy(e.matrix),this.matrixWorld.copy(e.matrixWorld),this.matrixAutoUpdate=e.matrixAutoUpdate,this.matrixWorldAutoUpdate=e.matrixWorldAutoUpdate,this.matrixWorldNeedsUpdate=e.matrixWorldNeedsUpdate,this.layers.mask=e.layers.mask,this.visible=e.visible,this.castShadow=e.castShadow,this.receiveShadow=e.receiveShadow,this.frustumCulled=e.frustumCulled,this.renderOrder=e.renderOrder,this.static=e.static,this.animations=e.animations.slice(),this.userData=JSON.parse(JSON.stringify(e.userData)),t===!0)for(let t=0;t<e.children.length;t++){let n=e.children[t];this.add(n.clone())}return this}};Sr.DEFAULT_UP=new H(0,1,0),Sr.DEFAULT_MATRIX_AUTO_UPDATE=!0,Sr.DEFAULT_MATRIX_WORLD_AUTO_UPDATE=!0;var Cr=class extends Sr{constructor(){super(),this.isGroup=!0,this.type=`Group`}},wr={type:`move`},Tr=class{constructor(){this._targetRay=null,this._grip=null,this._hand=null}getHandSpace(){return this._hand===null&&(this._hand=new Cr,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 Cr,this._targetRay.matrixAutoUpdate=!1,this._targetRay.visible=!1,this._targetRay.hasLinearVelocity=!1,this._targetRay.linearVelocity=new H,this._targetRay.hasAngularVelocity=!1,this._targetRay.angularVelocity=new H),this._targetRay}getGripSpace(){return this._grip===null&&(this._grip=new Cr,this._grip.matrixAutoUpdate=!1,this._grip.visible=!1,this._grip.hasLinearVelocity=!1,this._grip.linearVelocity=new H,this._grip.hasAngularVelocity=!1,this._grip.angularVelocity=new H,this._grip.eventsEnabled=!1),this._grip}dispatchEvent(e){return 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r=c.joints[`index-finger-tip`],i=c.joints[`thumb-tip`],o=r.position.distanceTo(i.position);c.inputState.pinching&&o>.025?(c.inputState.pinching=!1,this.dispatchEvent({type:`pinchend`,handedness:e.handedness,target:this})):!c.inputState.pinching&&o<=.015&&(c.inputState.pinching=!0,this.dispatchEvent({type:`pinchstart`,handedness:e.handedness,target:this}))}else 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e.joints[t.jointName]}},Er={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},Dr={h:0,s:0,l:0},Or={h:0,s:0,l:0};function 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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}},Pr=new H,Fr=new H,Ir=new H,Lr=new H,Rr=new H,zr=new H,Br=new H,Vr=new H,Hr=new H,Ur=new H,Wr=new Un,Gr=new Un,Kr=new Un,qr=class e{constructor(e=new H,t=new H,n=new H){this.a=e,this.b=t,this.c=n}static getNormal(e,t,n,r){r.subVectors(n,t),Pr.subVectors(e,t),r.cross(Pr);let i=r.lengthSq();return i>0?r.multiplyScalar(1/Math.sqrt(i)):r.set(0,0,0)}static getBarycoord(e,t,n,r,i){Pr.subVectors(r,t),Fr.subVectors(n,t),Ir.subVectors(e,t);let a=Pr.dot(Pr),o=Pr.dot(Fr),s=Pr.dot(Ir),c=Fr.dot(Fr),l=Fr.dot(Ir),u=a*c-o*o;if(u===0)return i.set(0,0,0),null;let d=1/u,f=(c*s-o*l)*d,p=(a*l-o*s)*d;return i.set(1-f-p,p,f)}static containsPoint(e,t,n,r){return this.getBarycoord(e,t,n,r,Lr)!==null&&Lr.x>=0&&Lr.y>=0&&Lr.x+Lr.y<=1}static getInterpolation(e,t,n,r,i,a,o,s){return this.getBarycoord(e,t,n,r,Lr)===null?(s.x=0,s.y=0,`z`in s&&(s.z=0),`w`in s&&(s.w=0),null):(s.setScalar(0),s.addScaledVector(i,Lr.x),s.addScaledVector(a,Lr.y),s.addScaledVector(o,Lr.z),s)}static getInterpolatedAttribute(e,t,n,r,i,a){return Wr.setScalar(0),Gr.setScalar(0),Kr.setScalar(0),Wr.fromBufferAttribute(e,t),Gr.fromBufferAttribute(e,n),Kr.fromBufferAttribute(e,r),a.setScalar(0),a.addScaledVector(Wr,i.x),a.addScaledVector(Gr,i.y),a.addScaledVector(Kr,i.z),a}static isFrontFacing(e,t,n,r){return Pr.subVectors(n,t),Fr.subVectors(e,t),Pr.cross(Fr).dot(r)<0}set(e,t,n){return this.a.copy(e),this.b.copy(t),this.c.copy(n),this}setFromPointsAndIndices(e,t,n,r){return 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f=Rr.dot(Ur),p=zr.dot(Ur);if(p>=0&&f<=p)return t.copy(i);let m=f*c-s*p;if(m<=0&&c>=0&&p<=0)return o=c/(c-p),t.copy(n).addScaledVector(zr,o);let h=l*p-f*u;if(h<=0&&u-l>=0&&f-p>=0)return Br.subVectors(i,r),o=(u-l)/(u-l+(f-p)),t.copy(r).addScaledVector(Br,o);let g=1/(h+m+d);return a=m*g,o=d*g,t.copy(n).addScaledVector(Rr,a).addScaledVector(zr,o)}equals(e){return e.a.equals(this.a)&&e.b.equals(this.b)&&e.c.equals(this.c)}},Jr=class{constructor(e=new H(1/0,1/0,1/0),t=new H(-1/0,-1/0,-1/0)){this.isBox3=!0,this.min=e,this.max=t}set(e,t){return this.min.copy(e),this.max.copy(t),this}setFromArray(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t+=3)this.expandByPoint(Xr.fromArray(e,t));return this}setFromBufferAttribute(e){this.makeEmpty();for(let t=0,n=e.count;t<n;t++)this.expandByPoint(Xr.fromBufferAttribute(e,t));return this}setFromPoints(e){this.makeEmpty();for(let t=0,n=e.length;t<n;t++)this.expandByPoint(e[t]);return this}setFromCenterAndSize(e,t){let n=Xr.copy(t).multiplyScalar(.5);return this.min.copy(e).sub(n),this.max.copy(e).add(n),this}setFromObject(e,t=!1){return this.makeEmpty(),this.expandByObject(e,t)}clone(){return new this.constructor().copy(this)}copy(e){return this.min.copy(e.min),this.max.copy(e.max),this}makeEmpty(){return this.min.x=this.min.y=this.min.z=1/0,this.max.x=this.max.y=this.max.z=-1/0,this}isEmpty(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z}getCenter(e){return this.isEmpty()?e.set(0,0,0):e.addVectors(this.min,this.max).multiplyScalar(.5)}getSize(e){return this.isEmpty()?e.set(0,0,0):e.subVectors(this.max,this.min)}expandByPoint(e){return this.min.min(e),this.max.max(e),this}expandByVector(e){return this.min.sub(e),this.max.add(e),this}expandByScalar(e){return this.min.addScalar(-e),this.max.addScalar(e),this}expandByObject(e,t=!1){e.updateWorldMatrix(!1,!1);let n=e.geometry;if(n!==void 0){let r=n.getAttribute(`position`);if(t===!0&&r!==void 0&&e.isInstancedMesh!==!0)for(let t=0,n=r.count;t<n;t++)e.isMesh===!0?e.getVertexPosition(t,Xr):Xr.fromBufferAttribute(r,t),Xr.applyMatrix4(e.matrixWorld),this.expandByPoint(Xr);else e.boundingBox===void 0?(n.boundingBox===null&&n.computeBoundingBox(),Zr.copy(n.boundingBox)):(e.boundingBox===null&&e.computeBoundingBox(),Zr.copy(e.boundingBox)),Zr.applyMatrix4(e.matrixWorld),this.union(Zr)}let r=e.children;for(let e=0,n=r.length;e<n;e++)this.expandByObject(r[e],t);return this}containsPoint(e){return e.x>=this.min.x&&e.x<=this.max.x&&e.y>=this.min.y&&e.y<=this.max.y&&e.z>=this.min.z&&e.z<=this.max.z}containsBox(e){return this.min.x<=e.min.x&&e.max.x<=this.max.x&&this.min.y<=e.min.y&&e.max.y<=this.max.y&&this.min.z<=e.min.z&&e.max.z<=this.max.z}getParameter(e,t){return t.set((e.x-this.min.x)/(this.max.x-this.min.x),(e.y-this.min.y)/(this.max.y-this.min.y),(e.z-this.min.z)/(this.max.z-this.min.z))}intersectsBox(e){return e.max.x>=this.min.x&&e.min.x<=this.max.x&&e.max.y>=this.min.y&&e.min.y<=this.max.y&&e.max.z>=this.min.z&&e.min.z<=this.max.z}intersectsSphere(e){return this.clampPoint(e.center,Xr),Xr.distanceToSquared(e.center)<=e.radius*e.radius}intersectsPlane(e){let t,n;return e.normal.x>0?(t=e.normal.x*this.min.x,n=e.normal.x*this.max.x):(t=e.normal.x*this.max.x,n=e.normal.x*this.min.x),e.normal.y>0?(t+=e.normal.y*this.min.y,n+=e.normal.y*this.max.y):(t+=e.normal.y*this.max.y,n+=e.normal.y*this.min.y),e.normal.z>0?(t+=e.normal.z*this.min.z,n+=e.normal.z*this.max.z):(t+=e.normal.z*this.max.z,n+=e.normal.z*this.min.z),t<=-e.constant&&n>=-e.constant}intersectsTriangle(e){if(this.isEmpty())return!1;this.getCenter(ii),ai.subVectors(this.max,ii),Qr.subVectors(e.a,ii),$r.subVectors(e.b,ii),ei.subVectors(e.c,ii),ti.subVectors($r,Qr),ni.subVectors(ei,$r),ri.subVectors(Qr,ei);let t=[0,-ti.z,ti.y,0,-ni.z,ni.y,0,-ri.z,ri.y,ti.z,0,-ti.x,ni.z,0,-ni.x,ri.z,0,-ri.x,-ti.y,ti.x,0,-ni.y,ni.x,0,-ri.y,ri.x,0];return!ci(t,Qr,$r,ei,ai)||(t=[1,0,0,0,1,0,0,0,1],!ci(t,Qr,$r,ei,ai))?!1:(oi.crossVectors(ti,ni),t=[oi.x,oi.y,oi.z],ci(t,Qr,$r,ei,ai))}clampPoint(e,t){return t.copy(e).clamp(this.min,this.max)}distanceToPoint(e){return this.clampPoint(e,Xr).distanceTo(e)}getBoundingSphere(e){return this.isEmpty()?e.makeEmpty():(this.getCenter(e.center),e.radius=this.getSize(Xr).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:(Yr[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(e),Yr[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(e),Yr[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(e),Yr[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(e),Yr[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(e),Yr[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(e),Yr[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(e),Yr[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(e),this.setFromPoints(Yr),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}},Yr=[new H,new H,new H,new H,new H,new H,new H,new H],Xr=new H,Zr=new Jr,Qr=new H,$r=new H,ei=new H,ti=new H,ni=new H,ri=new H,ii=new H,ai=new H,oi=new H,si=new H;function ci(e,t,n,r,i){for(let 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1onUpload(e){return this.onUploadCallback=e,this}clone(){return new this.constructor(this.array,this.itemSize).copy(this)}toJSON(){let e={itemSize:this.itemSize,type:this.array.constructor.name,array:Array.from(this.array),normalized:this.normalized};return this.name!==``&&(e.name=this.name),this.usage!==35044&&(e.usage=this.usage),e}dispose(){this.dispatchEvent({type:`dispose`})}},vi=class extends _i{constructor(e,t,n){super(new Int8Array(e),t,n)}},yi=class extends _i{constructor(e,t,n){super(new Uint8Array(e),t,n)}},bi=class extends _i{constructor(e,t,n){super(new Uint8ClampedArray(e),t,n)}},xi=class extends _i{constructor(e,t,n){super(new Int16Array(e),t,n)}},Si=class extends _i{constructor(e,t,n){super(new Uint16Array(e),t,n)}},Ci=class extends _i{constructor(e,t,n){super(new Int32Array(e),t,n)}},wi=class extends _i{constructor(e,t,n){super(new Uint32Array(e),t,n)}},Ti=class extends _i{constructor(e,t,n){super(new Uint16Array(e),t,n),this.isFloat16BufferAttribute=!0}getX(e){let t=fi(this.array[e*this.itemSize]);return this.normalized&&(t=wn(t,this.array)),t}setX(e,t){return this.normalized&&(t=B(t,this.array)),this.array[e*this.itemSize]=di(t),this}getY(e){let t=fi(this.array[e*this.itemSize+1]);return this.normalized&&(t=wn(t,this.array)),t}setY(e,t){return this.normalized&&(t=B(t,this.array)),this.array[e*this.itemSize+1]=di(t),this}getZ(e){let t=fi(this.array[e*this.itemSize+2]);return this.normalized&&(t=wn(t,this.array)),t}setZ(e,t){return this.normalized&&(t=B(t,this.array)),this.array[e*this.itemSize+2]=di(t),this}getW(e){let t=fi(this.array[e*this.itemSize+3]);return this.normalized&&(t=wn(t,this.array)),t}setW(e,t){return this.normalized&&(t=B(t,this.array)),this.array[e*this.itemSize+3]=di(t),this}setXY(e,t,n){return e*=this.itemSize,this.normalized&&(t=B(t,this.array),n=B(n,this.array)),this.array[e+0]=di(t),this.array[e+1]=di(n),this}setXYZ(e,t,n,r){return e*=this.itemSize,this.normalized&&(t=B(t,this.array),n=B(n,this.array),r=B(r,this.array)),this.array[e+0]=di(t),this.array[e+1]=di(n),this.array[e+2]=di(r),this}setXYZW(e,t,n,r,i){return e*=this.itemSize,this.normalized&&(t=B(t,this.array),n=B(n,this.array),r=B(r,this.array),i=B(i,this.array)),this.array[e+0]=di(t),this.array[e+1]=di(n),this.array[e+2]=di(r),this.array[e+3]=di(i),this}},q=class extends _i{constructor(e,t,n){super(new Float32Array(e),t,n)}},Ei=new Jr,Di=new H,Oi=new H,ki=class{constructor(e=new H,t=-1){this.isSphere=!0,this.center=e,this.radius=t}set(e,t){return this.center.copy(e),this.radius=t,this}setFromPoints(e,t){let n=this.center;t===void 0?Ei.setFromPoints(e).getCenter(n):n.copy(t);let r=0;for(let t=0,i=e.length;t<i;t++)r=Math.max(r,n.distanceToSquared(e[t]));return this.radius=Math.sqrt(r),this}copy(e){return this.center.copy(e.center),this.radius=e.radius,this}isEmpty(){return this.radius<0}makeEmpty(){return this.center.set(0,0,0),this.radius=-1,this}containsPoint(e){return e.distanceToSquared(this.center)<=this.radius*this.radius}distanceToPoint(e){return e.distanceTo(this.center)-this.radius}intersectsSphere(e){let t=this.radius+e.radius;return e.center.distanceToSquared(this.center)<=t*t}intersectsBox(e){return e.intersectsSphere(this)}intersectsPlane(e){return Math.abs(e.distanceToPoint(this.center))<=this.radius}clampPoint(e,t){let n=this.center.distanceToSquared(e);return t.copy(e),n>this.radius*this.radius&&(t.sub(this.center).normalize(),t.multiplyScalar(this.radius).add(this.center)),t}getBoundingBox(e){return this.isEmpty()?(e.makeEmpty(),e):(e.set(this.center,this.center),e.expandByScalar(this.radius),e)}applyMatrix4(e){return this.center.applyMatrix4(e),this.radius*=e.getMaxScaleOnAxis(),this}translate(e){return this.center.add(e),this}expandByPoint(e){if(this.isEmpty())return this.center.copy(e),this.radius=0,this;Di.subVectors(e,this.center);let t=Di.lengthSq();if(t>this.radius*this.radius){let e=Math.sqrt(t),n=(e-this.radius)*.5;this.center.addScaledVector(Di,n/e),this.radius+=n}return this}union(e){return e.isEmpty()?this:this.isEmpty()?(this.copy(e),this):(this.center.equals(e.center)===!0?this.radius=Math.max(this.radius,e.radius):(Oi.subVectors(e.center,this.center).setLength(e.radius),this.expandByPoint(Di.copy(e.center).add(Oi)),this.expandByPoint(Di.copy(e.center).sub(Oi))),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}},Ai=0,ji=new G,Mi=new Sr,Ni=new H,Pi=new Jr,Fi=new Jr,Ii=new H,J=class e extends $t{constructor(){super(),this.isBufferGeometry=!0,Object.defineProperty(this,"id",{value:Ai++}),this.uuid=an(),this.name=``,this.type=`BufferGeometry`,this.index=null,this.indirect=null,this.indirectOffset=0,this.attributes={},this.morphAttributes={},this.morphTargetsRelative=!1,this.groups=[],this.boundingBox=null,this.boundingSphere=null,this.drawRange={start:0,count:1/0},this.userData={},this._transformed=!1}getIndex(){return this.index}setIndex(e){return this.index=Array.isArray(e)?new(Rt(e)?wi:Si)(e,1):e,this}setIndirect(e,t=0){return this.indirect=e,this.indirectOffset=t,this}getIndirect(){return this.indirect}getAttribute(e){return this.attributes[e]}setAttribute(e,t){return this.attributes[e]=t,this}deleteAttribute(e){return delete this.attributes[e],this}hasAttribute(e){return this.attributes[e]!==void 0}

1addGroup(e,t,n=0){this.groups.push({start:e,count:t,materialIndex:n})}clearGroups(){this.groups=[]}setDrawRange(e,t){this.drawRange.start=e,this.drawRange.count=t}applyMatrix4(e){let t=this.attributes.position;t!==void 0&&(t.applyMatrix4(e),t.needsUpdate=!0);let n=this.attributes.normal;if(n!==void 0){let t=new U().getNormalMatrix(e);n.applyNormalMatrix(t),n.needsUpdate=!0}let r=this.attributes.tangent;return r!==void 0&&(r.transformDirection(e),r.needsUpdate=!0),this.boundingBox!==null&&this.computeBoundingBox(),this.boundingSphere!==null&&this.computeBoundingSphere(),this._transformed=!0,this}applyQuaternion(e){return ji.makeRotationFromQuaternion(e),this.applyMatrix4(ji),this}rotateX(e){return ji.makeRotationX(e),this.applyMatrix4(ji),this}rotateY(e){return ji.makeRotationY(e),this.applyMatrix4(ji),this}rotateZ(e){return ji.makeRotationZ(e),this.applyMatrix4(ji),this}translate(e,t,n){return ji.makeTranslation(e,t,n),this.applyMatrix4(ji),this}scale(e,t,n){return ji.makeScale(e,t,n),this.applyMatrix4(ji),this}lookAt(e){return Mi.lookAt(e),Mi.updateMatrix(),this.applyMatrix4(Mi.matrix),this}center(){return this.computeBoundingBox(),this.boundingBox.getCenter(Ni).negate(),this.translate(Ni.x,Ni.y,Ni.z),this}setFromPoints(e){let t=this.getAttribute(`position`);if(t===void 0){let t=[];for(let n=0,r=e.length;n<r;n++){let r=e[n];t.push(r.x,r.y,r.z||0)}this.setAttribute(`position`,new q(t,3))}else{let n=Math.min(e.length,t.count);for(let r=0;r<n;r++){let n=e[r];t.setXYZ(r,n.x,n.y,n.z||0)}e.length>t.count&&L(`BufferGeometry: Buffer size too small for points data. 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f=e.getX(d+0),p=e.getX(d+1),m=e.getX(d+2);r.fromBufferAttribute(t,f),i.fromBufferAttribute(t,p),a.fromBufferAttribute(t,m),l.subVectors(a,i),u.subVectors(r,i),l.cross(u),o.fromBufferAttribute(n,f),s.fromBufferAttribute(n,p),c.fromBufferAttribute(n,m),o.add(l),s.add(l),c.add(l),n.setXYZ(f,o.x,o.y,o.z),n.setXYZ(p,s.x,s.y,s.z),n.setXYZ(m,c.x,c.y,c.z)}else for(let e=0,o=t.count;e<o;e+=3)r.fromBufferAttribute(t,e+0),i.fromBufferAttribute(t,e+1),a.fromBufferAttribute(t,e+2),l.subVectors(a,i),u.subVectors(r,i),l.cross(u),n.setXYZ(e+0,l.x,l.y,l.z),n.setXYZ(e+1,l.x,l.y,l.z),n.setXYZ(e+2,l.x,l.y,l.z);this.normalizeNormals(),n.needsUpdate=!0}}normalizeNormals(){let e=this.attributes.normal;for(let t=0,n=e.count;t<n;t++)Ii.fromBufferAttribute(e,t),Ii.normalize(),e.setXYZ(t,Ii.x,Ii.y,Ii.z)}toNonIndexed(){function t(e,t){let n=e.array,r=e.itemSize,i=e.normalized,a=new n.constructor(t.length*r),o=0,s=0;for(let i=0,c=t.length;i<c;i++){o=e.isInterleavedBufferAttribute?t[i]*e.data.stride+e.offset:t[i]*r;for(let e=0;e<r;e++)a[s++]=n[o++]}return new _i(a,r,i)}if(this.index===null)return L(`BufferGeometry.toNonIndexed(): BufferGeometry is already non-indexed.`),this;let n=new e,r=this.index.array,i=this.attributes;for(let e in i){let a=i[e],o=t(a,r);n.setAttribute(e,o)}let a=this.morphAttributes;for(let e in a){let i=[],o=a[e];for(let e=0,n=o.length;e<n;e++){let n=o[e],a=t(n,r);i.push(a)}n.morphAttributes[e]=i}n.morphTargetsRelative=this.morphTargetsRelative;let o=this.groups;for(let e=0,t=o.length;e<t;e++){let t=o[e];n.addGroup(t.start,t.count,t.materialIndex)}return n}toJSON(){let e={metadata:{version:4.7,type:`BufferGeometry`,generator:`BufferGeometry.toJSON`}};if(e.uuid=this.uuid,e.type=this.parameters!==void 0&&this._transformed===!0?`BufferGeometry`:this.type,this.name!==``&&(e.name=this.name),Object.keys(this.userData).length>0&&(e.userData=this.userData),this.parameters!==void 0&&this._transformed!==!0){let t=this.parameters;for(let n in t)t[n]!==void 0&&(e[n]=t[n]);return e}e.data={attributes:{}};let t=this.index;t!==null&&(e.data.index={type:t.array.constructor.name,array:Array.prototype.slice.call(t.array)});let n=this.attributes;for(let t in n){let r=n[t];e.data.attributes[t]=r.toJSON(e.data)}let r={},i=!1;for(let t in this.morphAttributes){let n=this.morphAttributes[t],a=[];for(let t=0,r=n.length;t<r;t++){let r=n[t];a.push(r.toJSON(e.data))}a.length>0&&(r[t]=a,i=!0)}i&&(e.data.morphAttributes=r,e.data.morphTargetsRelative=this.morphTargetsRelative);let a=this.groups;a.length>0&&(e.data.groups=JSON.parse(JSON.stringify(a)));let o=this.boundingSphere;return o!==null&&(e.data.boundingSphere=o.toJSON()),e}clone(){return new this.constructor().copy(this)}copy(e){this.index=null,this.attributes={},this.morphAttributes={},this.groups=[],this.boundingBox=null,this.boundingSphere=null;let t={};this.name=e.name;let n=e.index;n!==null&&this.setIndex(n.clone());let r=e.attributes;for(let e in r){let n=r[e];this.setAttribute(e,n.clone(t))}let i=e.morphAttributes;for(let e in i){let n=[],r=i[e];for(let e=0,i=r.length;e<i;e++)n.push(r[e].clone(t));this.morphAttributes[e]=n}this.morphTargetsRelative=e.morphTargetsRelative;let a=e.groups;for(let e=0,t=a.length;e<t;e++){let t=a[e];this.addGroup(t.start,t.count,t.materialIndex)}let o=e.boundingBox;o!==null&&(this.boundingBox=o.clone());let s=e.boundingSphere;return s!==null&&(this.boundingSphere=s.clone()),this.drawRange.start=e.drawRange.start,this.drawRange.count=e.drawRange.count,this.userData=e.userData,this._transformed=e._transformed,this}dispose(){this.dispatchEvent({type:`dispose`})}},Li=class{constructor(e,t){this.isInterleavedBuffer=!0,this.array=e,this.stride=t,this.count=e===void 0?0:e.length/t,this.usage=St,this.updateRanges=[],this.version=0,this.uuid=an()}onUploadCallback(){}set needsUpdate(e){e===!0&&this.version++}setUsage(e){return this.usage=e,this}addUpdateRange(e,t){this.updateRanges.push({start:e,count:t})}clearUpdateRanges(){this.updateRanges.length=0}copy(e){return this.array=new e.array.constructor(e.array),this.count=e.count,this.stride=e.stride,this.usage=e.usage,this}copyAt(e,t,n){e*=this.stride,n*=t.stride;for(let r=0,i=this.stride;r<i;r++)this.array[e+r]=t.array[n+r];return this}set(e,t=0){return this.array.set(e,t),this}clone(e){e.arrayBuffers===void 0&&(e.arrayBuffers={}),this.array.buffer._uuid===void 0&&(this.array.buffer._uuid=an()),e.arrayBuffers[this.array.buffer._uuid]===void 0&&(e.arrayBuffers[this.array.buffer._uuid]=this.array.slice(0).buffer);let t=new this.array.constructor(e.arrayBuffers[this.array.buffer._uuid]),n=new this.constructor(t,this.stride);return n.setUsage(this.usage),n}onUpload(e){return this.onUploadCallback=e,this}toJSON(e){return e.arrayBuffers===void 0&&(e.arrayBuffers={}),this.array.buffer._uuid===void 0&&(this.array.buffer._uuid=an()),e.arrayBuffers[this.array.buffer._uuid]===void 0&&(e.arrayBuffers[this.array.buffer._uuid]=Array.from(new Uint32Array(this.array.buffer))),{uuid:this.uuid,buffer:this.array.buffer._uuid,type:this.array.constructor.name,stride:this.stride}}},Ri=new H,zi=class e{constructor(e,t,n,r=!1){this.isInterleavedBufferAttribute=!0,this.name=``,this.data=e,this.itemSize=t,this.offset=n,this.normalized=r}get count(){return this.data.count}get array(){return this.data.array}set needsUpdate(e){this.data.needsUpdate=e}applyMatrix4(e){for(let t=0,n=this.data.count;t<n;t++)Ri.fromBufferAttribute(this,t),Ri.applyMatrix4(e),this.setXYZ(t,Ri.x,Ri.y,Ri.z);return this}applyNormalMatrix(e){for(let t=0,n=this.count;t<n;t++)Ri.fromBufferAttribute(this,t),Ri.applyNormalMatrix(e),this.setXYZ(t,Ri.x,Ri.y,Ri.z);return this}transformDirection(e){for(let t=0,n=this.count;t<n;t++)Ri.fromBufferAttribute(this,t),Ri.transformDirection(e),this.setXYZ(t,Ri.x,Ri.y,Ri.z);return this}getComponent(e,t){let n=this.array[e*this.data.stride+this.offset+t];return this.normalized&&(n=wn(n,this.array)),n}setComponent(e,t,n){return this.normalized&&(n=B(n,this.array)),this.data.array[e*this.data.stride+this.offset+t]=n,this}setX(e,t){return this.normalized&&(t=B(t,this.array)),this.data.array[e*this.data.stride+this.offset]=t,this}setY(e,t){return this.normalized&&(t=B(t,this.array)),this.data.array[e*this.data.stride+this.offset+1]=t,this}setZ(e,t){return this.normalized&&(t=B(t,this.array)),this.data.array[e*this.data.stride+this.offset+2]=t,this}setW(e,t){return this.normalized&&(t=B(t,this.array)),this.data.array[e*this.data.stride+this.offset+3]=t,this}getX(e){let t=this.data.array[e*this.data.stride+this.offset];return this.normalized&&(t=wn(t,this.array)),t}getY(e){let t=this.data.array[e*this.data.stride+this.offset+1];return this.normalized&&(t=wn(t,this.array)),t}getZ(e){let t=this.data.array[e*this.data.stride+this.offset+2];return this.normalized&&(t=wn(t,this.array)),t}getW(e){let t=this.data.array[e*this.data.stride+this.offset+3];return this.normalized&&(t=wn(t,this.array)),t}setXY(e,t,n){return e=e*this.data.stride+this.offset,this.normalized&&(t=B(t,this.array),n=B(n,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=n,this}setXYZ(e,t,n,r){return e=e*this.data.stride+this.offset,this.normalized&&(t=B(t,this.array),n=B(n,this.array),r=B(r,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=n,this.data.array[e+2]=r,this}setXYZW(e,t,n,r,i){return e=e*this.data.stride+this.offset,this.normalized&&(t=B(t,this.array),n=B(n,this.array),r=B(r,this.array),i=B(i,this.array)),this.data.array[e+0]=t,this.data.array[e+1]=n,this.data.array[e+2]=r,this.data.array[e+3]=i,this}clone(t){if(t===void 0){Jt(`InterleavedBufferAttribute.clone(): Cloning an interleaved buffer attribute will de-interleave buffer data.`);let e=[];for(let t=0;t<this.count;t++){let n=t*this.data.stride+this.offset;for(let t=0;t<this.itemSize;t++)e.push(this.data.array[n+t])}return new _i(new this.array.constructor(e),this.itemSize,this.normalized)}return t.interleavedBuffers===void 0&&(t.interleavedBuffers={}),t.interleavedBuffers[this.data.uuid]===void 0&&(t.interleavedBuffers[this.data.uuid]=this.data.clone(t)),new e(t.interleavedBuffers[this.data.uuid],this.itemSize,this.offset,this.normalized)}toJSON(e){if(e===void 0){Jt(`InterleavedBufferAttribute.toJSON(): Serializing an interleaved buffer attribute will de-interleave buffer data.`);let e=[];for(let t=0;t<this.count;t++){let n=t*this.data.stride+this.offset;for(let t=0;t<this.itemSize;t++)e.push(this.data.array[n+t])}return{itemSize:this.itemSize,type:this.array.constructor.name,array:e,normalized:this.normalized}}return e.interleavedBuffers===void 0&&(e.interleavedBuffers={}),e.interleavedBuffers[this.data.uuid]===void 0&&(e.interleavedBuffers[this.data.uuid]=this.data.toJSON(e)),{isInterleavedBufferAttribute:!0,itemSize:this.itemSize,data:this.data.uuid,offset:this.offset,normalized:this.normalized}}},Bi=0,Vi=class extends $t{constructor(){super(),this.isMaterial=!0,Object.defineProperty(this,"id",{value:Bi++}),this.uuid=an(),this.name=``,this.type=`Material`,this.blending=1,this.side=0,this.vertexColors=!1,this.opacity=1,this.transparent=!1,this.alphaHash=!1,this.blendSrc=204,this.blendDst=205,this.blendEquation=100,this.blendSrcAlpha=null,this.blendDstAlpha=null,this.blendEquationAlpha=null,this.blendColor=new K(0,0,0),this.blendAlpha=0,this.depthFunc=3,this.depthTest=!0,this.depthWrite=!0,this.stencilWriteMask=255,this.stencilFunc=519,this.stencilRef=0,this.stencilFuncMask=255,this.stencilFail=ht,this.stencilZFail=ht,this.stencilZPass=ht,this.stencilWrite=!1,this.clippingPlanes=null,this.clipIntersection=!1,this.clipShadows=!1,this.shadowSide=null,this.colorWrite=!0,this.precision=null,this.polygonOffset=!1,this.polygonOffsetFactor=0,this.polygonOffsetUnits=0,this.dithering=!1,this.alphaToCoverage=!1,this.premultipliedAlpha=!1,this.forceSinglePass=!1,this.allowOverride=!0,this.visible=!0,this.toneMapped=!0,this.userData={},this.version=0,this._alphaTest=0}get alphaTest(){return this._alphaTest}set alphaTest(e){this._alphaTest>0!=e>0&&this.version++,this._alphaTest=e}onBeforeRender(){}onBeforeCompile(){}customProgramCacheKey(){return this.onBeforeCompile.toString()}setValues(e){if(e!==void 0)for(let t in e){let n=e[t];if(n===void 0){L(`Material: parameter '${t}' has value of undefined.`);continue}let r=this[t];if(r===void 0){L(`Material: '${t}' is not a property of THREE.${this.type}.`);continue}r&&r.isColor?r.set(n):r&&r.isVector2&&n&&n.isVector2||r&&r.isEuler&&n&&n.isEuler||r&&r.isVector3&&n&&n.isVector3?r.copy(n):this[t]=n}}toJSON(e){let t=e===void 0||typeof e==`string`;t&&(e={textures:{},images:{}});let n={metadata:{version:4.7,type:`Material`,generator:`Material.toJSON`}};n.uuid=this.uuid,n.type=this.type,this.name!==``&&(n.name=this.name),this.color&&this.color.isColor&&(n.color=this.color.getHex()),this.roughness!==void 0&&(n.roughness=this.roughness),this.metalness!==void 0&&(n.metalness=this.metalness),this.sheen!==void 0&&(n.sheen=this.sheen),this.sheenColor&&this.sheenColor.isColor&&(n.sheenColor=this.sheenColor.getHex()),this.sheenRoughness!==void 0&&(n.sheenRoughness=this.sheenRoughness),this.emissive&&this.emissive.isColor&&(n.emissive=this.emissive.getHex()),this.emissiveIntensity!==void 0&&this.emissiveIntensity!==1&&(n.emissiveIntensity=this.emissiveIntensity),this.specular&&this.specular.isColor&&(n.specular=this.specular.getHex()),this.specularIntensity!==void 0&&(n.specularIntensity=this.specularIntensity),this.specularColor&&this.specularColor.isColor&&(n.specularColor=this.specularColor.getHex()),this.shininess!==void 0&&(n.shininess=this.shininess),this.clearcoat!==void 0&&(n.clearcoat=this.clearcoat),this.clearcoatRoughness!==void 0&&(n.clearcoatRoughness=this.clearcoatRoughness),this.clearcoatMap&&this.clearcoatMap.isTexture&&(n.clearcoatMap=this.clearcoatMap.toJSON(e).uuid),this.clearcoatRoughnessMap&&this.clearcoatRoughnessMap.isTexture&&(n.clearcoatRoughnessMap=this.clearcoatRoughnessMap.toJSON(e).uuid),this.clearcoatNormalMap&&this.clearcoatNormalMap.isTexture&&(n.clearcoatNormalMap=this.clearcoatNormalMap.toJSON(e).uuid,n.clearcoatNormalScale=this.clearcoatNormalScale.toArray()),this.sheenColorMap&&this.sheenColorMap.isTexture&&(n.sheenColorMap=this.sheenColorMap.toJSON(e).uuid),this.sheenRoughnessMap&&this.sheenRoughnessMap.isTexture&&(n.sheenRoughnessMap=this.sheenRoughnessMap.toJSON(e).uuid),this.dispersion!==void 0&&(n.dispersion=this.dispersion),this.iridescence!==void 0&&(n.iridescence=this.iridescence),this.iridescenceIOR!==void 0&&(n.iridescenceIOR=this.iridescenceIOR),this.iridescenceThicknessRange!==void 0&&(n.iridescenceThicknessRange=this.iridescenceThicknessRange),this.iridescenceMap&&this.iridescenceMap.isTexture&&(n.iridescenceMap=this.iridescenceMap.toJSON(e).uuid),this.iridescenceThicknessMap&&this.iridescenceThicknessMap.isTexture&&(n.iridescenceThicknessMap=this.iridescenceThicknessMap.toJSON(e).uuid),this.anisotropy!==void 0&&(n.anisotropy=this.anisotropy),this.anisotropyRotation!==void 0&&(n.anisotropyRotation=this.anisotropyRotation),this.anisotropyMap&&this.anisotropyMap.isTexture&&(n.anisotropyMap=this.anisotropyMap.toJSON(e).uuid),this.map&&this.map.isTexture&&(n.map=this.map.toJSON(e).uuid),this.matcap&&this.matcap.isTexture&&(n.matcap=this.matcap.toJSON(e).uuid),this.alphaMap&&this.alphaMap.isTexture&&(n.alphaMap=this.alphaMap.toJSON(e).uuid),this.lightMap&&this.lightMap.isTexture&&(n.lightMap=this.lightMap.toJSON(e).uuid,n.lightMapIntensity=this.lightMapIntensity),this.aoMap&&this.aoMap.isTexture&&(n.aoMap=this.aoMap.toJSON(e).uuid,n.aoMapIntensity=this.aoMapIntensity),this.bumpMap&&this.bumpMap.isTexture&&(n.bumpMap=this.bumpMap.toJSON(e).uuid,n.bumpScale=this.bumpScale),this.normalMap&&this.normalMap.isTexture&&(n.normalMap=this.normalMap.toJSON(e).uuid,n.normalMapType=this.normalMapType,n.normalScale=this.normalScale.toArray()),this.displacementMap&&this.displacementMap.isTexture&&(n.displacementMap=this.displacementMap.toJSON(e).uuid,n.displacementScale=this.displacementScale,n.displacementBias=this.displacementBias),this.roughnessMap&&this.roughnessMap.isTexture&&(n.roughnessMap=this.roughnessMap.toJSON(e).uuid),this.metalnessMap&&this.metalnessMap.isTexture&&(n.metalnessMap=this.metalnessMap.toJSON(e).uuid),this.emissiveMap&&this.emissiveMap.isTexture&&(n.emissiveMap=this.emissiveMap.toJSON(e).uuid),this.specularMap&&this.specularMap.isTexture&&(n.specularMap=this.specularMap.toJSON(e).uuid),this.specularIntensityMap&&this.specularIntensityMap.isTexture&&(n.specularIntensityMap=this.specularIntensityMap.toJSON(e).uuid),this.specularColorMap&&this.specularColorMap.isTexture&&(n.specularColorMap=this.specularColorMap.toJSON(e).uuid),this.envMap&&this.envMap.isTexture&&(n.envMap=this.envMap.toJSON(e).uuid,this.combine!==void 0&&(n.combine=this.combine)),this.envMapRotation!==void 0&&(n.envMapRotation=this.envMapRotation.toArray()),this.envMapIntensity!==void 0&&(n.envMapIntensity=this.envMapIntensity),this.reflectivity!==void 0&&(n.reflectivity=this.reflectivity),this.refractionRatio!==void 0&&(n.refractionRatio=this.refractionRatio),this.gradientMap&&this.gradientMap.isTexture&&(n.gradientMap=this.gradientMap.toJSON(e).uuid),this.transmission!==void 0&&(n.transmission=this.transmission),this.transmissionMap&&this.transmissionMap.isTexture&&(n.transmissionMap=this.transmissionMap.toJSON(e).uuid),this.thickness!==void 0&&(n.thickness=this.thickness),this.thicknessMap&&this.thicknessMap.isTexture&&(n.thicknessMap=this.thicknessMap.toJSON(e).uuid),this.attenuationDistance!==void 0&&this.attenuationDistance!==1/0&&(n.attenuationDistance=this.attenuationDistance),this.attenuationColor!==void 0&&(n.attenuationColor=this.attenuationColor.getHex()),this.size!==void 0&&(n.size=this.size),this.shadowSide!==null&&(n.shadowSide=this.shadowSide),this.sizeAttenuation!==void 0&&(n.sizeAttenuation=this.sizeAttenuation),this.blending!==1&&(n.blending=this.blending),this.side!==0&&(n.side=this.side),this.vertexColors===!0&&(n.vertexColors=!0),this.opacity<1&&(n.opacity=this.opacity),this.transparent===!0&&(n.transparent=!0),this.blendSrc!==204&&(n.blendSrc=this.blendSrc),this.blendDst!==205&&(n.blendDst=this.blendDst),this.blendEquation!==100&&(n.blendEquation=this.blendEquation),this.blendSrcAlpha!==null&&(n.blendSrcAlpha=this.blendSrcAlpha),this.blendDstAlpha!==null&&(n.blendDstAlpha=this.blendDstAlpha),this.blendEquationAlpha!==null&&(n.blendEquationAlpha=this.blendEquationAlpha),this.blendColor&&this.blendColor.isColor&&(n.blendColor=this.blendColor.getHex()),this.blendAlpha!==0&&(n.blendAlpha=this.blendAlpha),this.depthFunc!==3&&(n.depthFunc=this.depthFunc),this.depthTest===!1&&(n.depthTest=this.depthTest),this.depthWrite===!1&&(n.depthWrite=this.depthWrite),this.colorWrite===!1&&(n.colorWrite=this.colorWrite),this.stencilWriteMask!==255&&(n.stencilWriteMask=this.stencilWriteMask),this.stencilFunc!==519&&(n.stencilFunc=this.stencilFunc),this.stencilRef!==0&&(n.stencilRef=this.stencilRef),this.stencilFuncMask!==255&&(n.stencilFuncMask=this.stencilFuncMask),this.stencilFail!==7680&&(n.stencilFail=this.stencilFail),this.stencilZFail!==7680&&(n.stencilZFail=this.stencilZFail),this.stencilZPass!==7680&&(n.stencilZPass=this.stencilZPass),this.stencilWrite===!0&&(n.stencilWrite=this.stencilWrite),this.rotation!==void 0&&this.rotation!==0&&(n.rotation=this.rotation),this.polygonOffset===!0&&(n.polygonOffset=!0),this.polygonOffsetFactor!==0&&(n.polygonOffsetFactor=this.polygonOffsetFactor),this.polygonOffsetUnits!==0&&(n.polygonOffsetUnits=this.polygonOffsetUnits),this.linewidth!==void 0&&this.linewidth!==1&&(n.linewidth=this.linewidth),this.dashSize!==void 0&&(n.dashSize=this.dashSize),this.gapSize!==void 0&&(n.gapSize=this.gapSize),this.scale!==void 0&&(n.scale=this.scale),this.dithering===!0&&(n.dithering=!0),this.alphaTest>0&&(n.alphaTest=this.alphaTest),this.alphaHash===!0&&(n.alphaHash=!0),this.alphaToCoverage===!0&&(n.alphaToCoverage=!0),this.premultipliedAlpha===!0&&(n.premultipliedAlpha=!0),this.forceSinglePass===!0&&(n.forceSinglePass=!0),this.allowOverride===!1&&(n.allowOverride=!1),this.wireframe===!0&&(n.wireframe=!0),this.wireframeLinewidth>1&&(n.wireframeLinewidth=this.wireframeLinewidth),this.wireframeLinecap!==`round`&&(n.wireframeLinecap=this.wireframeLinecap),this.wireframeLinejoin!==`round`&&(n.wireframeLinejoin=this.wireframeLinejoin),this.flatShading===!0&&(n.flatShading=!0),this.visible===!1&&(n.visible=!1),this.toneMapped===!1&&(n.toneMapped=!1),this.fog===!1&&(n.fog=!1),Object.keys(this.userData).length>0&&(n.userData=this.userData);function r(e){let t=[];for(let n in e){let r=e[n];delete r.metadata,t.push(r)}return t}if(t){let t=r(e.textures),i=r(e.images);t.length>0&&(n.textures=t),i.length>0&&(n.images=i)}return n}fromJSON(e,t){if(e.uuid!==void 0&&(this.uuid=e.uuid),e.name!==void 0&&(this.name=e.name),e.color!==void 0&&this.color!==void 0&&this.color.setHex(e.color),e.roughness!==void 0&&(this.roughness=e.roughness),e.metalness!==void 0&&(this.metalness=e.metalness),e.sheen!==void 0&&(this.sheen=e.sheen),e.sheenColor!==void 0&&(this.sheenColor=new K().setHex(e.sheenColor)),e.sheenRoughness!==void 0&&(this.sheenRoughness=e.sheenRoughness),e.emissive!==void 0&&this.emissive!==void 0&&this.emissive.setHex(e.emissive),e.specular!==void 0&&this.specular!==void 0&&this.specular.setHex(e.specular),e.specularIntensity!==void 0&&(this.specularIntensity=e.specularIntensity),e.specularColor!==void 0&&this.specularColor!==void 0&&this.specularColor.setHex(e.specularColor),e.shininess!==void 0&&(this.shininess=e.shininess),e.clearcoat!==void 0&&(this.clearcoat=e.clearcoat),e.clearcoatRoughness!==void 0&&(this.clearcoatRoughness=e.clearcoatRoughness),e.dispersion!==void 0&&(this.dispersion=e.dispersion),e.iridescence!==void 0&&(this.iridescence=e.iridescence),e.iridescenceIOR!==void 0&&(this.iridescenceIOR=e.iridescenceIOR),e.iridescenceThicknessRange!==void 0&&(this.iridescenceThicknessRange=e.iridescenceThicknessRange),e.transmission!==void 0&&(this.transmission=e.transmission),e.thickness!==void 0&&(this.thickness=e.thickness),e.attenuationDistance!==void 0&&(this.attenuationDistance=e.attenuationDistance),e.attenuationColor!==void 0&&this.attenuationColor!==void 0&&this.attenuationColor.setHex(e.attenuationColor),e.anisotropy!==void 0&&(this.anisotropy=e.anisotropy),e.anisotropyRotation!==void 0&&(this.anisotropyRotation=e.anisotropyRotation),e.fog!==void 0&&(this.fog=e.fog),e.flatShading!==void 0&&(this.flatShading=e.flatShading),e.blending!==void 0&&(this.blending=e.blending),e.combine!==void 0&&(this.combine=e.combine),e.side!==void 0&&(this.side=e.side),e.shadowSide!==void 0&&(this.shadowSide=e.shadowSide),e.opacity!==void 0&&(this.opacity=e.opacity),e.transparent!==void 0&&(this.transparent=e.transparent),e.alphaTest!==void 0&&(this.alphaTest=e.alphaTest),e.alphaHash!==void 0&&(this.alphaHash=e.alphaHash),e.depthFunc!==void 0&&(this.depthFunc=e.depthFunc),e.depthTest!==void 0&&(this.depthTest=e.depthTest),e.depthWrite!==void 0&&(this.depthWrite=e.depthWrite),e.colorWrite!==void 0&&(this.colorWrite=e.colorWrite),e.blendSrc!==void 0&&(this.blendSrc=e.blendSrc),e.blendDst!==void 0&&(this.blendDst=e.blendDst),e.blendEquation!==void 0&&(this.blendEquation=e.blendEquation),e.blendSrcAlpha!==void 0&&(this.blendSrcAlpha=e.blendSrcAlpha),e.blendDstAlpha!==void 0&&(this.blendDstAlpha=e.blendDstAlpha),e.blendEquationAlpha!==void 0&&(this.blendEquationAlpha=e.blendEquationAlpha),e.blendColor!==void 0&&this.blendColor!==void 0&&this.blendColor.setHex(e.blendColor),e.blendAlpha!==void 0&&(this.blendAlpha=e.blendAlpha),e.stencilWriteMask!==void 0&&(this.stencilWriteMask=e.stencilWriteMask),e.stencilFunc!==void 0&&(this.stencilFunc=e.stencilFunc),e.stencilRef!==void 0&&(this.stencilRef=e.stencilRef),e.stencilFuncMask!==void 0&&(this.stencilFuncMask=e.stencilFuncMask),e.stencilFail!==void 0&&(this.stencilFail=e.stencilFail),e.stencilZFail!==void 0&&(this.stencilZFail=e.stencilZFail),e.stencilZPass!==void 0&&(this.stencilZPass=e.stencilZPass),e.stencilWrite!==void 0&&(this.stencilWrite=e.stencilWrite),e.wireframe!==void 0&&(this.wireframe=e.wireframe),e.wireframeLinewidth!==void 0&&(this.wireframeLinewidth=e.wireframeLinewidth),e.wireframeLinecap!==void 0&&(this.wireframeLinecap=e.wireframeLinecap),e.wireframeLinejoin!==void 0&&(this.wireframeLinejoin=e.wireframeLinejoin),e.rotation!==void 0&&(this.rotation=e.rotation),e.linewidth!==void 0&&(this.linewidth=e.linewidth),e.dashSize!==void 0&&(this.dashSize=e.dashSize),e.gapSize!==void 0&&(this.gapSize=e.gapSize),e.scale!==void 0&&(this.scale=e.scale),e.polygonOffset!==void 0&&(this.polygonOffset=e.polygonOffset),e.polygonOffsetFactor!==void 0&&(this.polygonOffsetFactor=e.polygonOffsetFactor),e.polygonOffsetUnits!==void 0&&(this.polygonOffsetUnits=e.polygonOffsetUnits),e.dithering!==void 0&&(this.dithering=e.dithering),e.alphaToCoverage!==void 0&&(this.alphaToCoverage=e.alphaToCoverage),e.premultipliedAlpha!==void 0&&(this.premultipliedAlpha=e.premultipliedAlpha),e.forceSinglePass!==void 0&&(this.forceSinglePass=e.forceSinglePass),e.allowOverride!==void 0&&(this.allowOverride=e.allowOverride),e.visible!==void 0&&(this.visible=e.visible),e.toneMapped!==void 0&&(this.toneMapped=e.toneMapped),e.userData!==void 0&&(this.userData=e.userData),e.vertexColors!==void 0&&(this.vertexColors=typeof e.vertexColors==`number`?e.vertexColors>0:e.vertexColors),e.size!==void 0&&(this.size=e.size),e.sizeAttenuation!==void 0&&(this.sizeAttenuation=e.sizeAttenuation),e.map!==void 0&&(this.map=t[e.map]||null),e.matcap!==void 0&&(this.matcap=t[e.matcap]||null),e.alphaMap!==void 0&&(this.alphaMap=t[e.alphaMap]||null),e.bumpMap!==void 0&&(this.bumpMap=t[e.bumpMap]||null),e.bumpScale!==void 0&&(this.bumpScale=e.bumpScale),e.normalMap!==void 0&&(this.normalMap=t[e.normalMap]||null),e.normalMapType!==void 0&&(this.normalMapType=e.normalMapType),e.normalScale!==void 0){let t=e.normalScale;Array.isArray(t)===!1&&(t=[t,t]),this.normalScale=new V().fromArray(t)}return e.displacementMap!==void 0&&(this.displacementMap=t[e.displacementMap]||null),e.displacementScale!==void 0&&(this.displacementScale=e.displacementScale),e.displacementBias!==void 0&&(this.displacementBias=e.displacementBias),e.roughnessMap!==void 0&&(this.roughnessMap=t[e.roughnessMap]||null),e.metalnessMap!==void 0&&(this.metalnessMap=t[e.metalnessMap]||null),e.emissiveMap!==void 0&&(this.emissiveMap=t[e.emissiveMap]||null),e.emissiveIntensity!==void 0&&(this.emissiveIntensity=e.emissiveIntensity),e.specularMap!==void 0&&(this.specularMap=t[e.specularMap]||null),e.specularIntensityMap!==void 0&&(this.specularIntensityMap=t[e.specularIntensityMap]||null),e.specularColorMap!==void 0&&(this.specularColorMap=t[e.specularColorMap]||null),e.envMap!==void 0&&(this.envMap=t[e.envMap]||null),e.envMapRotation!==void 0&&this.envMapRotation.fromArray(e.envMapRotation),e.envMapIntensity!==void 0&&(this.envMapIntensity=e.envMapIntensity),e.reflectivity!==void 0&&(this.reflectivity=e.reflectivity),e.refractionRatio!==void 0&&(this.refractionRatio=e.refractionRatio),e.lightMap!==void 0&&(this.lightMap=t[e.lightMap]||null),e.lightMapIntensity!==void 0&&(this.lightMapIntensity=e.lightMapIntensity),e.aoMap!==void 0&&(this.aoMap=t[e.aoMap]||null),e.aoMapIntensity!==void 0&&(this.aoMapIntensity=e.aoMapIntensity),e.gradientMap!==void 0&&(this.gradientMap=t[e.gradientMap]||null),e.clearcoatMap!==void 0&&(this.clearcoatMap=t[e.clearcoatMap]||null),e.clearcoatRoughnessMap!==void 0&&(this.clearcoatRoughnessMap=t[e.clearcoatRoughnessMap]||null),e.clearcoatNormalMap!==void 0&&(this.clearcoatNormalMap=t[e.clearcoatNormalMap]||null),e.clearcoatNormalScale!==void 0&&(this.clearcoatNormalScale=new V().fromArray(e.clearcoatNormalScale)),e.iridescenceMap!==void 0&&(this.iridescenceMap=t[e.iridescenceMap]||null),e.iridescenceThicknessMap!==void 0&&(this.iridescenceThicknessMap=t[e.iridescenceThicknessMap]||null),e.transmissionMap!==void 0&&(this.transmissionMap=t[e.transmissionMap]||null),e.thicknessMap!==void 0&&(this.thicknessMap=t[e.thicknessMap]||null),e.anisotropyMap!==void 0&&(this.anisotropyMap=t[e.anisotropyMap]||null),e.sheenColorMap!==void 0&&(this.sheenColorMap=t[e.sheenColorMap]||null),e.sheenRoughnessMap!==void 0&&(this.sheenRoughnessMap=t[e.sheenRoughnessMap]||null),this}clone(){return new this.constructor().copy(this)}copy(e){this.name=e.name,this.blending=e.blending,this.side=e.side,this.vertexColors=e.vertexColors,this.opacity=e.opacity,this.transparent=e.transparent,this.blendSrc=e.blendSrc,this.blendDst=e.blendDst,this.blendEquation=e.blendEquation,this.blendSrcAlpha=e.blendSrcAlpha,this.blendDstAlpha=e.blendDstAlpha,this.blendEquationAlpha=e.blendEquationAlpha,this.blendColor.copy(e.blendColor),this.blendAlpha=e.blendAlpha,this.depthFunc=e.depthFunc,this.depthTest=e.depthTest,this.depthWrite=e.depthWrite,this.stencilWriteMask=e.stencilWriteMask,this.stencilFunc=e.stencilFunc,this.stencilRef=e.stencilRef,this.stencilFuncMask=e.stencilFuncMask,this.stencilFail=e.stencilFail,this.stencilZFail=e.stencilZFail,this.stencilZPass=e.stencilZPass,this.stencilWrite=e.stencilWrite;let t=e.clippingPlanes,n=null;if(t!==null){let e=t.length;n=Array(e);for(let r=0;r!==e;++r)n[r]=t[r].clone()}return this.clippingPlanes=n,this.clipIntersection=e.clipIntersection,this.clipShadows=e.clipSh

1adows,this.shadowSide=e.shadowSide,this.colorWrite=e.colorWrite,this.precision=e.precision,this.polygonOffset=e.polygonOffset,this.polygonOffsetFactor=e.polygonOffsetFactor,this.polygonOffsetUnits=e.polygonOffsetUnits,this.dithering=e.dithering,this.alphaTest=e.alphaTest,this.alphaHash=e.alphaHash,this.alphaToCoverage=e.alphaToCoverage,this.premultipliedAlpha=e.premultipliedAlpha,this.forceSinglePass=e.forceSinglePass,this.allowOverride=e.allowOverride,this.visible=e.visible,this.toneMapped=e.toneMapped,this.userData=JSON.parse(JSON.stringify(e.userData)),this}dispose(){this.dispatchEvent({type:`dispose`})}set needsUpdate(e){e===!0&&this.version++}},Hi=class extends Vi{constructor(e){super(),this.isSpriteMaterial=!0,this.type=`SpriteMaterial`,this.color=new K(16777215),this.map=null,this.alphaMap=null,this.rotation=0,this.sizeAttenuation=!0,this.transparent=!0,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.alphaMap=e.alphaMap,this.rotation=e.rotation,this.sizeAttenuation=e.sizeAttenuation,this.fog=e.fog,this}},Ui,Wi=new H,Gi=new H,Ki=new H,qi=new V,Ji=new V,Yi=new G,Xi=new H,Zi=new H,Qi=new H,$i=new V,ea=new V,ta=new V,na=class extends Sr{constructor(e=new Hi){if(super(),this.isSprite=!0,this.type=`Sprite`,Ui===void 0){Ui=new J;let e=new Li(new Float32Array([-.5,-.5,0,0,0,.5,-.5,0,1,0,.5,.5,0,1,1,-.5,.5,0,0,1]),5);Ui.setIndex([0,1,2,0,2,3]),Ui.setAttribute(`position`,new zi(e,3,0,!1)),Ui.setAttribute(`uv`,new zi(e,2,3,!1))}this.geometry=Ui,this.material=e,this.center=new V(.5,.5),this.count=1}raycast(e,t){e.camera===null&&R(`Sprite: "Raycaster.camera" needs to be set in order to raycast against sprites.`),Gi.setFromMatrixScale(this.matrixWorld),Yi.copy(e.camera.matrixWorld),this.modelViewMatrix.multiplyMatrices(e.camera.matrixWorldInverse,this.matrixWorld),Ki.setFromMatrixPosition(this.modelViewMatrix),e.camera.isPerspectiveCamera&&this.material.sizeAttenuation===!1&&Gi.multiplyScalar(-Ki.z);let n=this.material.rotation,r,i;n!==0&&(i=Math.cos(n),r=Math.sin(n));let a=this.center;ra(Xi.set(-.5,-.5,0),Ki,a,Gi,r,i),ra(Zi.set(.5,-.5,0),Ki,a,Gi,r,i),ra(Qi.set(.5,.5,0),Ki,a,Gi,r,i),$i.set(0,0),ea.set(1,0),ta.set(1,1);let o=e.ray.intersectTriangle(Xi,Zi,Qi,!1,Wi);if(o===null&&(ra(Zi.set(-.5,.5,0),Ki,a,Gi,r,i),ea.set(0,1),o=e.ray.intersectTriangle(Xi,Qi,Zi,!1,Wi),o===null))return;let s=e.ray.origin.distanceTo(Wi);s<e.near||s>e.far||t.push({distance:s,point:Wi.clone(),uv:qr.getInterpolation(Wi,Xi,Zi,Qi,$i,ea,ta,new V),face:null,object:this})}copy(e,t){return super.copy(e,t),e.center!==void 0&&this.center.copy(e.center),this.material=e.material,this}};function ra(e,t,n,r,i,a){qi.subVectors(e,n).addScalar(.5).multiply(r),i===void 0?Ji.copy(qi):(Ji.x=a*qi.x-i*qi.y,Ji.y=i*qi.x+a*qi.y),e.copy(t),e.x+=Ji.x,e.y+=Ji.y,e.applyMatrix4(Yi)}var ia=new H,aa=new H,oa=class extends Sr{constructor(){super(),this.isLOD=!0,this._currentLevel=0,this.type=`LOD`,Object.defineProperties(this,{levels:{enumerable:!0,value:[]}}),this.autoUpdate=!0}copy(e){super.copy(e,!1);let t=e.levels;for(let e=0,n=t.length;e<n;e++){let n=t[e];this.addLevel(n.object.clone(),n.distance,n.hysteresis)}return this.autoUpdate=e.autoUpdate,this}addLevel(e,t=0,n=0){t=Math.abs(t);let r=this.levels,i;for(i=0;i<r.length&&!(t<r[i].distance);i++);return r.splice(i,0,{distance:t,hysteresis:n,object:e}),this.add(e),this}removeLevel(e){let t=this.levels;for(let n=0;n<t.length;n++)if(t[n].distance===e){let e=t.splice(n,1);return this.remove(e[0].object),!0}return!1}getCurrentLevel(){return this._currentLevel}getObjectForDistance(e){let t=this.levels;if(t.length>0){let n,r;for(n=1,r=t.length;n<r;n++){let r=t[n].distance;if(t[n].object.visible&&(r-=r*t[n].hysteresis),e<r)break}return t[n-1].object}return null}raycast(e,t){if(this.levels.length>0){ia.setFromMatrixPosition(this.matrixWorld);let n=e.ray.origin.distanceTo(ia);this.getObjectForDistance(n).raycast(e,t)}}update(e){let t=this.levels;if(t.length>1){ia.setFromMatrixPosition(e.matrixWorld),aa.setFromMatrixPosition(this.matrixWorld);let n=ia.distanceTo(aa)/e.zoom;t[0].object.visible=!0;let r,i;for(r=1,i=t.length;r<i;r++){let e=t[r].distance;if(t[r].object.visible&&(e-=e*t[r].hysteresis),n>=e)t[r-1].object.visible=!1,t[r].object.visible=!0;else break}for(this._currentLevel=r-1;r<i;r++)t[r].object.visible=!1}}toJSON(e){let t=super.toJSON(e);this.autoUpdate===!1&&(t.object.autoUpdate=!1),t.object.levels=[];let n=this.levels;for(let e=0,r=n.length;e<r;e++){let r=n[e];t.object.levels.push({object:r.object.uuid,distance:r.distance,hysteresis:r.hysteresis})}return t}},sa=new H,ca=new H,la=new H,ua=new H,da=new H,fa=new H,pa=new H,ma=class{constructor(e=new H,t=new H(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,sa)),this}closestPointToPoint(e,t){t.subVectors(e,this.origin);let n=t.dot(this.direction);return n<0?t.copy(this.origin):t.copy(this.origin).addScaledVector(this.direction,n)}distanceToPoint(e){return Math.sqrt(this.distanceSqToPoint(e))}distanceSqToPoint(e){let t=sa.subVectors(e,this.origin).dot(this.direction);return t<0?this.origin.distanceToSquared(e):(sa.copy(this.origin).addScaledVector(this.direction,t),sa.distanceToSquared(e))}distanceSqToSegment(e,t,n,r){ca.copy(e).add(t).multiplyScalar(.5),la.copy(t).sub(e).normalize(),ua.copy(this.origin).sub(ca);let i=e.distanceTo(t)*.5,a=-this.direction.dot(la),o=ua.dot(this.direction),s=-ua.dot(la),c=ua.lengthSq(),l=Math.abs(1-a*a),u,d,f,p;if(l>0)if(u=a*s-o,d=a*o-s,p=i*l,u>=0)if(d>=-p)if(d<=p){let e=1/l;u*=e,d*=e,f=u*(u+a*d+2*o)+d*(a*u+d+2*s)+c}

1else d=i,u=Math.max(0,-(a*d+o)),f=-u*u+d*(d+2*s)+c;else d=-i,u=Math.max(0,-(a*d+o)),f=-u*u+d*(d+2*s)+c;else d<=-p?(u=Math.max(0,-(-a*i+o)),d=u>0?-i:Math.min(Math.max(-i,-s),i),f=-u*u+d*(d+2*s)+c):d<=p?(u=0,d=Math.min(Math.max(-i,-s),i),f=d*(d+2*s)+c):(u=Math.max(0,-(a*i+o)),d=u>0?i:Math.min(Math.max(-i,-s),i),f=-u*u+d*(d+2*s)+c);else d=a>0?-i:i,u=Math.max(0,-(a*d+o)),f=-u*u+d*(d+2*s)+c;return n&&n.copy(this.origin).addScaledVector(this.direction,u),r&&r.copy(ca).addScaledVector(la,d),f}intersectSphere(e,t){sa.subVectors(e.center,this.origin);let n=sa.dot(this.direction),r=sa.dot(sa)-n*n,i=e.radius*e.radius;if(r>i)return null;let a=Math.sqrt(i-r),o=n-a,s=n+a;return s<0?null:o<0?this.at(s,t):this.at(o,t)}intersectsSphere(e){return e.radius<0?!1:this.distanceSqToPoint(e.center)<=e.radius*e.radius}distanceToPlane(e){let t=e.normal.dot(this.direction);if(t===0)return e.distanceToPoint(this.origin)===0?0:null;let n=-(this.origin.dot(e.normal)+e.constant)/t;return n>=0?n:null}intersectPlane(e,t){let n=this.distanceToPlane(e);return n===null?null:this.at(n,t)}intersectsPlane(e){let t=e.distanceToPoint(this.origin);return t===0||e.normal.dot(this.direction)*t<0}intersectBox(e,t){let n,r,i,a,o,s,c=1/this.direction.x,l=1/this.direction.y,u=1/this.direction.z,d=this.origin;return c>=0?(n=(e.min.x-d.x)*c,r=(e.max.x-d.x)*c):(n=(e.max.x-d.x)*c,r=(e.min.x-d.x)*c),l>=0?(i=(e.min.y-d.y)*l,a=(e.max.y-d.y)*l):(i=(e.max.y-d.y)*l,a=(e.min.y-d.y)*l),n>a||i>r||((i>n||isNaN(n))&&(n=i),(a<r||isNaN(r))&&(r=a),u>=0?(o=(e.min.z-d.z)*u,s=(e.max.z-d.z)*u):(o=(e.max.z-d.z)*u,s=(e.min.z-d.z)*u),n>s||o>r)||((o>n||n!==n)&&(n=o),(s<r||r!==r)&&(r=s),r<0)?null:this.at(n>=0?n:r,t)}intersectsBox(e){return this.intersectBox(e,sa)!==null}intersectTriangle(e,t,n,r,i){da.subVectors(t,e),fa.subVectors(n,e),pa.crossVectors(da,fa);let a=this.direction.dot(pa),o;if(a>0){if(r)return null;o=1}else if(a<0)o=-1,a=-a;else return null;ua.subVectors(this.origin,e);let s=o*this.direction.dot(fa.crossVectors(ua,fa));if(s<0)return null;let c=o*this.direction.dot(da.cross(ua));if(c<0||s+c>a)return null;let l=-o*ua.dot(pa);return l<0?null:this.at(l/a,i)}applyMatrix4(e){return this.origin.applyMatrix4(e),this.direction.transformDirection(e),this}equals(e){return e.origin.equals(this.origin)&&e.direction.equals(this.direction)}clone(){return new this.constructor().copy(this)}},ha=class extends Vi{constructor(e){super(),this.isMeshBasicMaterial=!0,this.type=`MeshBasicMaterial`,this.color=new K(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 ar,this.combine=0,this.reflectivity=1,this.refractionRatio=.98,this.wireframe=!1,this.wireframeLinewidth=1,this.wireframeLinecap=`round`,this.wireframeLinejoin=`round`,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.lightMap=e.lightMap,this.lightMapIntensity=e.lightMapIntensity,this.aoMap=e.aoMap,this.aoMapIntensity=e.aoMapIntensity,this.specularMap=e.specularMap,this.alphaMap=e.alphaMap,this.envMap=e.envMap,this.envMapRotation.copy(e.envMapRotation),this.combine=e.combine,this.reflectivity=e.reflectivity,this.refractionRatio=e.refractionRatio,this.wireframe=e.wireframe,this.wireframeLinewidth=e.wireframeLinewidth,this.wireframeLinecap=e.wireframeLinecap,this.wireframeLinejoin=e.wireframeLinejoin,this.fog=e.fog,this}},ga=new G,_a=new ma,va=new ki,ya=new H,ba=new H,xa=new H,Y=new H,Sa=new H,Ca=new H,wa=new H,Ta=new H,Ea=class extends Sr{constructor(e=new J,t=new ha){super(),this.isMesh=!0,this.type=`Mesh`,this.geometry=e,this.material=t,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.count=1,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),e.morphTargetInfluences!==void 0&&(this.morphTargetInfluences=e.morphTargetInfluences.slice()),e.morphTargetDictionary!==void 0&&(this.morphTargetDictionary=Object.assign({},e.morphTargetDictionary)),this.material=Array.isArray(e.material)?e.material.slice():e.material,this.geometry=e.geometry,this}updateMorphTargets(){let e=this.geometry.morphAttributes,t=Object.keys(e);if(t.length>0){let n=e[t[0]];if(n!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,t=n.length;e<t;e++){let t=n[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[t]=e}}}}getVertexPosition(e,t){let n=this.geometry,r=n.attributes.position,i=n.morphAttributes.position,a=n.morphTargetsRelative;t.fromBufferAttribute(r,e);let o=this.morphTargetInfluences;if(i&&o){Ca.set(0,0,0);for(let n=0,r=i.length;n<r;n++){let r=o[n],s=i[n];r!==0&&(Sa.fromBufferAttribute(s,e),a?Ca.addScaledVector(Sa,r):Ca.addScaledVector(Sa.sub(t),r))}t.add(Ca)}return t}raycast(e,t){let n=this.geometry,r=this.material,i=this.matrixWorld;r!==void 0&&(n.boundingSphere===null&&n.computeBoundingSphere(),va.copy(n.boundingSphere),va.applyMatrix4(i),_a.copy(e.ray).recast(e.near),!(va.containsPoint(_a.origin)===!1&&(_a.intersectSphere(va,ya)===null||_a.origin.distanceToSquared(ya)>(e.far-e.near)**2))&&(ga.copy(i).invert(),_a.copy(e.ray).applyMatrix4(ga),(n.boundingBox===null||_a.intersectsBox(n.boundingBox)!==!1)&&this._computeIntersections(e,t,_a)))}_computeIntersections(e,t,n){let r,i=this.geometry,a=this.material,o=i.index,s=i.attributes.position,c=i.attributes.uv,l=i.attributes.uv1,u=i.attributes.normal,d=i.groups,f=i.drawRange;if(o!==null)if(Array.isArray(a))for(let i=0,s=d.length;i<s;i++){let s=d[i],p=a[s.materialIndex],m=Math.max(s.start,f.start),h=Math.min(o.count,Math.min(s.start+s.count,f.start+f.count));for(let i=m,a=h;i<a;i+=3){let a=o.getX(i),d=o.getX(i+1),f=o.getX(i+2);r=Oa(this,p,e,n,c,l,u,a,d,f),r&&(r.faceIndex=Math.floor(i/3),r.face.materialIndex=s.materialIndex,t.push(r))}}else{let i=Math.max(0,f.start),s=Math.min(o.count,f.start+f.count);for(let d=i,f=s;d<f;d+=3){let i=o.getX(d),s=o.getX(d+1),f=o.getX(d+2);r=Oa(this,a,e,n,c,l,u,i,s,f),r&&(r.faceIndex=Math.floor(d/3),t.pu

1sh(r))}}else if(s!==void 0)if(Array.isArray(a))for(let i=0,o=d.length;i<o;i++){let o=d[i],p=a[o.materialIndex],m=Math.max(o.start,f.start),h=Math.min(s.count,Math.min(o.start+o.count,f.start+f.count));for(let i=m,a=h;i<a;i+=3){let a=i,s=i+1,d=i+2;r=Oa(this,p,e,n,c,l,u,a,s,d),r&&(r.faceIndex=Math.floor(i/3),r.face.materialIndex=o.materialIndex,t.push(r))}}else{let i=Math.max(0,f.start),o=Math.min(s.count,f.start+f.count);for(let s=i,d=o;s<d;s+=3){let i=s,o=s+1,d=s+2;r=Oa(this,a,e,n,c,l,u,i,o,d),r&&(r.faceIndex=Math.floor(s/3),t.push(r))}}}};function Da(e,t,n,r,i,a,o,s){let c;if(c=t.side===1?r.intersectTriangle(o,a,i,!0,s):r.intersectTriangle(i,a,o,t.side===0,s),c===null)return null;Ta.copy(s),Ta.applyMatrix4(e.matrixWorld);let l=n.ray.origin.distanceTo(Ta);return l<n.near||l>n.far?null:{distance:l,point:Ta.clone(),object:e}}function Oa(e,t,n,r,i,a,o,s,c,l){e.getVertexPosition(s,ba),e.getVertexPosition(c,xa),e.getVertexPosition(l,Y);let u=Da(e,t,n,r,ba,xa,Y,wa);if(u){let e=new H;qr.getBarycoord(wa,ba,xa,Y,e),i&&(u.uv=qr.getInterpolatedAttribute(i,s,c,l,e,new V)),a&&(u.uv1=qr.getInterpolatedAttribute(a,s,c,l,e,new V)),o&&(u.normal=qr.getInterpolatedAttribute(o,s,c,l,e,new H),u.normal.dot(r.direction)>0&&u.normal.multiplyScalar(-1));let t={a:s,b:c,c:l,normal:new H,materialIndex:0};qr.getNormal(ba,xa,Y,t.normal),u.face=t,u.barycoord=e}return u}var ka=new Un,Aa=new Un,ja=new Un,Ma=new Un,Na=new G,Pa=new H,Fa=new ki,Ia=new G,La=new ma,Ra=class extends Ea{constructor(e,t){super(e,t),this.isSkinnedMesh=!0,this.type=`SkinnedMesh`,this.bindMode=d,this.bindMatrix=new G,this.bindMatrixInverse=new G,this.boundingBox=null,this.boundingSphere=null}computeBoundingBox(){let e=this.geometry;this.boundingBox===null&&(this.boundingBox=new Jr),this.boundingBox.makeEmpty();let t=e.getAttribute(`position`);for(let e=0;e<t.count;e++)this.getVertexPosition(e,Pa),this.boundingBox.expandByPoint(Pa)}computeBoundingSphere(){let e=this.geometry;this.boundingSphere===null&&(this.boundingSphere=new ki),this.boundingSphere.makeEmpty();let t=e.getAttribute(`position`);for(let e=0;e<t.count;e++)this.getVertexPosition(e,Pa),this.boundingSphere.expandByPoint(Pa)}copy(e,t){return super.copy(e,t),this.bindMode=e.bindMode,this.bindMatrix.copy(e.bindMatrix),this.bindMatrixInverse.copy(e.bindMatrixInverse),this.skeleton=e.skeleton,e.boundingBox!==null&&(this.boundingBox=e.boundingBox.clone()),e.boundingSphere!==null&&(this.boundingSphere=e.boundingSphere.clone()),this}raycast(e,t){let n=this.material,r=this.matrixWorld;n!==void 0&&(this.boundingSphere===null&&this.computeBoundingSphere(),Fa.copy(this.boundingSphere),Fa.applyMatrix4(r),e.ray.intersectsSphere(Fa)!==!1&&(Ia.copy(r).invert(),La.copy(e.ray).applyMatrix4(Ia),(this.boundingBox===null||La.intersectsBox(this.boundingBox)!==!1)&&this._computeIntersections(e,t,La)))}getVertexPosition(e,t){return super.getVertexPosition(e,t),this.applyBoneTransform(e,t),t}bind(e,t){this.skeleton=e,t===void 0&&(this.updateMatrixWorld(!0),this.skeleton.calculateInverses(),t=this.matrixWorld),this.bindMatrix.copy(t),this.bindMatrixInverse.copy(t).invert()}pose(){this.skeleton.pose()}normalizeSkinWeights(){let e=new Un,t=this.geometry.attributes.skinWeight;for(let n=0,r=t.count;n<r;n++){e.fromBufferAttribute(t,n);let r=1/e.manhattanLength();r===1/0?e.set(1,0,0,0):e.multiplyScalar(r),t.setXYZW(n,e.x,e.y,e.z,e.w)}}updateMatrixWorld(e){super.updateMatrixWorld(e),this.bindMode===`attached`?this.bindMatrixInverse.copy(this.matrixWorld).invert():this.bindMode===`detached`?this.bindMatrixInverse.copy(this.bindMatrix).invert():L(`SkinnedMesh: Unrecognized bindMode: `+this.bindMode)}applyBoneTransform(e,t){let n=this.skeleton,r=this.geometry;Aa.fromBufferAttribute(r.attributes.skinIndex,e),ja.fromBufferAttribute(r.attributes.skinWeight,e),t.isVector4?(ka.copy(t),t.set(0,0,0,0)):(ka.set(...t,1),t.set(0,0,0)),ka.applyMatrix4(this.bindMatrix);for(let e=0;e<4;e++){let r=ja.getComponent(e);if(r!==0){let i=Aa.getComponent(e);Na.multiplyMatrices(n.bones[i].matrixWorld,n.boneInverses[i]),t.addScaledVector(Ma.copy(ka).applyMatrix4(Na),r)}}

1return t.isVector4&&(t.w=ka.w),t.applyMatrix4(this.bindMatrixInverse)}},za=class extends Sr{constructor(){super(),this.isBone=!0,this.type=`Bone`}},Ba=class extends Hn{constructor(e=null,t=1,n=1,r,i,a,o,s,c=g,l=g,u,d){super(null,a,o,s,c,l,r,i,u,d),this.isDataTexture=!0,this.image={data:e,width:t,height:n},this.generateMipmaps=!1,this.flipY=!1,this.unpackAlignment=1}},Va=new G,Ha=new G,X=class e{constructor(e=[],t=[]){this.uuid=an(),this.bones=e.slice(0),this.boneInverses=t,this.boneMatrices=null,this.boneTexture=null,this.init()}init(){let e=this.bones,t=this.boneInverses;if(this.boneMatrices=new Float32Array(e.length*16),t.length===0)this.calculateInverses();else if(e.length!==t.length){L(`Skeleton: Number of inverse bone matrices does not match amount of bones.`),this.boneInverses=[];for(let e=0,t=this.bones.length;e<t;e++)this.boneInverses.push(new G)}}calculateInverses(){this.boneInverses.length=0;for(let e=0,t=this.bones.length;e<t;e++){let t=new G;this.bones[e]&&t.copy(this.bones[e].matrixWorld).invert(),this.boneInverses.push(t)}}pose(){for(let e=0,t=this.bones.length;e<t;e++){let t=this.bones[e];t&&t.matrixWorld.copy(this.boneInverses[e]).invert()}for(let e=0,t=this.bones.length;e<t;e++){let t=this.bones[e];t&&(t.parent&&t.parent.isBone?(t.matrix.copy(t.parent.matrixWorld).invert(),t.matrix.multiply(t.matrixWorld)):t.matrix.copy(t.matrixWorld),t.matrix.decompose(t.position,t.quaternion,t.scale))}}update(){let e=this.bones,t=this.boneInverses,n=this.boneMatrices,r=this.boneTexture;for(let r=0,i=e.length;r<i;r++){let i=e[r]?e[r].matrixWorld:Ha;Va.multiplyMatrices(i,t[r]),Va.toArray(n,r*16)}r!==null&&(r.needsUpdate=!0)}clone(){return new e(this.bones,this.boneInverses)}computeBoneTexture(){let e=Math.sqrt(this.bones.length*4);e=Math.ceil(e/4)*4,e=Math.max(e,4);let t=new Float32Array(e*e*4);t.set(this.boneMatrices);let n=new Ba(t,e,e,M,j);return n.needsUpdate=!0,this.boneMatrices=t,this.boneTexture=n,this}getBoneByName(e){for(let t=0,n=this.bones.length;t<n;t++){let n=this.bones[t];if(n.name===e)return n}}dispose(){this.boneTexture!==null&&(this.boneTexture.dispose(),this.boneTexture=null)}fromJSON(e,t){this.uuid=e.uuid;for(let n=0,r=e.bones.length;n<r;n++){let r=e.bones[n],i=t[r];i===void 0&&(L(`Skeleton: No bone found with UUID:`,r),i=new za),this.bones.push(i),this.boneInverses.push(new G().fromArray(e.boneInverses[n]))}return this.init(),this}toJSON(){let e={metadata:{version:4.7,type:`Skeleton`,generator:`Skeleton.toJSON`},bones:[],boneInverses:[]};e.uuid=this.uuid;let t=this.bones,n=this.boneInverses;for(let r=0,i=t.length;r<i;r++){let i=t[r];e.bones.push(i.uuid);let a=n[r];e.boneInverses.push(a.toArray())}return e}},Ua=class extends _i{constructor(e,t,n,r=1){super(e,t,n),this.isInstancedBufferAttribute=!0,this.meshPerAttribute=r}copy(e){return super.copy(e),this.meshPerAttribute=e.meshPerAttribute,this}toJSON(){let e=super.toJSON();return e.meshPerAttribute=this.meshPerAttribute,e.isInstancedBufferAttribute=!0,e}},Wa=new G,Ga=new G,Ka=[],qa=new Jr,Ja=new G,Ya=new Ea,Xa=new ki,Za=class extends Ea{constructor(e,t,n){super(e,t),this.isInstancedMesh=!0,this.instanceMatrix=new Ua(new Float32Array(n*16),16),this.instanceColor=null,this.morphTexture=null,this.count=n,this.boundingBox=null,this.boundingSphere=null;for(let e=0;e<n;e++)this.setMatrixAt(e,Ja)}computeBoundingBox(){let e=this.geometry,t=this.count;this.boundingBox===null&&(this.boundingBox=new Jr),e.boundingBox===null&&e.computeBoundingBox(),this.boundingBox.makeEmpty();for(let n=0;n<t;n++)this.getMatrixAt(n,Wa),qa.copy(e.boundingBox).applyMatrix4(Wa),this.boundingBox.union(qa)}computeBoundingSphere(){let e=this.geometry,t=this.count;this.boundingSphere===null&&(this.boundingSphere=new ki),e.boundingSphere===null&&e.computeBoundingSphere(),this.boundingSphere.makeEmpty();for(let n=0;n<t;n++)this.getMatrixAt(n,Wa),Xa.copy(e.boundingSphere).applyMatrix4(Wa),this.boundingSphere.union(Xa)}copy(e,t){return super.copy(e,t),this.instanceMatrix.copy(e.instanceMatrix),e.morphTexture!==null&&(this.morphTexture=e.morphTexture.clone()),e.instanceColor!==null&&(this.instanceColor=e.instanceColor.clone()),this.count=e.count,e.boundingBox!==null&&(this.boundingBox=e.boundingBox.clone()),e.boundingSphere!==null&&(this.boundingSphere=e.boundingSphere.clone()),this}getColorAt(e,t){return this.instanceColor===null?t.setRGB(1,1,1):t.fromArray(this.instanceColor.array,e*3)}getMatrixAt(e,t){return t.fromArray(this.instanceMatrix.array,e*16)}getMorphAt(e,t){let n=t.morphTargetInfluences,r=this.morphTexture.source.data.data,i=e*(n.length+1)+1;for(let e=0;e<n.length;e++)n[e]=r[i+e]}raycast(e,t){let n=this.matrixWorld,r=this.count;if(Ya.geometry=this.geometry,Ya.material=this.material,Ya.material!==void 0&&(this.boundingSphere===null&&this.computeBoundingSphere(),Xa.copy(this.boundingSphere),Xa.applyMatrix4(n),e.ray.intersectsSphere(Xa)!==!1))for(let i=0;i<r;i++){this.getMatrixAt(i,Wa),Ga.multiplyMatrices(n,Wa),Ya.matrixWorld=Ga,Ya.raycast(e,Ka);for(let e=0,n=Ka.length;e<n;e++){let n=Ka[e];n.instanceId=i,n.object=this,t.push(n)}Ka.length=0}}setColorAt(e,t){return this.instanceColor===null&&(this.instanceColor=new Ua(new Float32Array(this.instanceMatrix.count*3).fill(1),3)),t.toArray(this.instanceColor.array,e*3),this}setMatrixAt(e,t){return t.toArray(this.instanceMatrix.array,e*16),this}setMorphAt(e,t){let n=t.morphTargetInfluences,r=n.length+1;this.morphTexture===null&&(this.morphTexture=new Ba(new Float32Array(r*this.count),r,this.count,N,j));let i=this.morphTexture.source.data.data,a=0;for(let e=0;e<n.length;e++)a+=n[e];let o=this.geometry.morphTargetsRelative?1:1-a,s=r*e;return i[s]=o,i.set(n,s+1),this}updateMorphTargets(){}dispose(){this.dispatchEvent({type:`dispose`}),this.morphTexture!==null&&(this.morphTexture.dispose(),this.morphTexture=null)}},Qa=new H,$a=new H,eo=new U,to=class{constructor(e=new H(1,0,0),t=0){this.isPlane=!0,this.normal=e,this.constant=t}set(e,t){return this.normal.copy(e),this.constant=t,this}setComponents(e,t,n,r){return this.normal.set(e,t,n),this.constant=r,this}setFromNormalAndCoplanarPoint(e,t){return this.normal.copy(e),this.constant=-t.dot(this.normal),this}

1setFromCoplanarPoints(e,t,n){let r=Qa.subVectors(n,t).cross($a.subVectors(e,t)).normalize();return this.setFromNormalAndCoplanarPoint(r,e),this}copy(e){return this.normal.copy(e.normal),this.constant=e.constant,this}normalize(){let e=1/this.normal.length();return this.normal.multiplyScalar(e),this.constant*=e,this}negate(){return this.constant*=-1,this.normal.negate(),this}distanceToPoint(e){return this.normal.dot(e)+this.constant}distanceToSphere(e){return this.distanceToPoint(e.center)-e.radius}projectPoint(e,t){return t.copy(e).addScaledVector(this.normal,-this.distanceToPoint(e))}intersectLine(e,t,n=!0){let r=e.delta(Qa),i=this.normal.dot(r);if(i===0)return this.distanceToPoint(e.start)===0?t.copy(e.start):null;let a=-(e.start.dot(this.normal)+this.constant)/i;return n===!0&&(a<0||a>1)?null:t.copy(e.start).addScaledVector(r,a)}intersectsLine(e){let t=this.distanceToPoint(e.start),n=this.distanceToPoint(e.end);return t<0&&n>0||n<0&&t>0}intersectsBox(e){return e.intersectsPlane(this)}intersectsSphere(e){return e.intersectsPlane(this)}coplanarPoint(e){return e.copy(this.normal).multiplyScalar(-this.constant)}applyMatrix4(e,t){let n=t||eo.getNormalMatrix(e),r=this.coplanarPoint(Qa).applyMatrix4(e),i=this.normal.applyMatrix3(n).normalize();return this.constant=-r.dot(i),this}translate(e){return this.constant-=e.dot(this.normal),this}equals(e){return e.normal.equals(this.normal)&&e.constant===this.constant}clone(){return new this.constructor().copy(this)}},no=new ki,ro=new V(.5,.5),io=new H,ao=class{constructor(e=new to,t=new to,n=new to,r=new to,i=new to,a=new to){this.planes=[e,t,n,r,i,a]}set(e,t,n,r,i,a){let o=this.planes;return o[0].copy(e),o[1].copy(t),o[2].copy(n),o[3].copy(r),o[4].copy(i),o[5].copy(a),this}copy(e){let t=this.planes;for(let n=0;n<6;n++)t[n].copy(e.planes[n]);return this}setFromProjectionMatrix(e,t=Mt,n=!1){let r=this.planes,i=e.elements,a=i[0],o=i[1],s=i[2],c=i[3],l=i[4],u=i[5],d=i[6],f=i[7],p=i[8],m=i[9],h=i[10],g=i[11],_=i[12],v=i[13],y=i[14],b=i[15];if(r[0].setComponents(c-a,f-l,g-p,b-_).normalize(),r[1].setComponents(c+a,f+l,g+p,b+_).normalize(),r[2].setComponents(c+o,f+u,g+m,b+v).normalize(),r[3].setComponents(c-o,f-u,g-m,b-v).normalize(),n)r[4].setComponents(s,d,h,y).normalize(),r[5].setComponents(c-s,f-d,g-h,b-y).normalize();else if(r[4].setComponents(c-s,f-d,g-h,b-y).normalize(),t===2e3)r[5].setComponents(c+s,f+d,g+h,b+y).normalize();else if(t===2001)r[5].setComponents(s,d,h,y).normalize();else throw Error(`THREE.Frustum.setFromProjectionMatrix(): Invalid coordinate system: `+t);return this}intersectsObject(e){if(e.boundingSphere!==void 0)e.boundingSphere===null&&e.computeBoundingSphere(),no.copy(e.boundingSphere).applyMatrix4(e.matrixWorld);else{let t=e.geometry;t.boundingSphere===null&&t.computeBoundingSphere(),no.copy(t.boundingSphere).applyMatrix4(e.matrixWorld)}return this.intersectsSphere(no)}intersectsSprite(e){return no.center.set(0,0,0),no.radius=.7071067811865476+ro.distanceTo(e.center),no.applyMatrix4(e.matrixWorld),this.intersectsSphere(no)}intersectsSphere(e){let t=this.planes,n=e.center,r=-e.radius;for(let e=0;e<6;e++)if(t[e].distanceToPoint(n)<r)return!1;return!0}intersectsBox(e){let t=this.planes;for(let n=0;n<6;n++){let r=t[n];if(io.x=r.normal.x>0?e.max.x:e.min.x,io.y=r.normal.y>0?e.max.y:e.min.y,io.z=r.normal.z>0?e.max.z:e.min.z,r.distanceToPoint(io)<0)return!1}return!0}containsPoint(e){let t=this.planes;for(let n=0;n<6;n++)if(t[n].distanceToPoint(e)<0)return!1;return!0}clone(){return new this.constructor().copy(this)}},oo=new G,so=class e{constructor(){this.coordinateSystem=Mt,this._frustums=[],this._count=0}setFromArrayCamera(e){let t=e.cameras,n=this._frustums;for(let e=0;e<t.length;e++){let r=t[e];oo.multiplyMatrices(r.projectionMatrix,r.matrixWorldInverse),n[e]===void 0&&(n[e]=new ao),n[e].setFromProjectionMatrix(oo,r.coordinateSystem,r.reversedDepth)}return this._count=t.length,this}intersectsObject(e){let t=this._frustums;for(let n=0;n<this._count;n++)if(t[n].intersectsObject(e))return!0;return!1}intersectsSprite(e){let t=this._frustums;for(let n=0;n<this._count;n++)if(t[n].intersectsSprite(e))return!0;return!1}intersectsSphere(e){let t=this._frustums;for(let n=0;n<this._count;n++)if(t[n].intersectsSphere(e))return!0;return!1}intersectsBox(e){let t=this._frustums;for(let n=0;n<this._count;n++)if(t[n].intersectsBox(e))return!0;return!1}containsPoint(e){let t=this._frustums;for(let n=0;n<this._count;n++)if(t[n].containsPoint(e))return!0;return!1}copy(e){this.coordinateSystem=e.coordinateSystem;let t=this._frustums,n=e._frustums;for(let r=0;

1r<e._count;r++)t[r]===void 0&&(t[r]=new ao),t[r].copy(n[r]);return this._count=e._count,this}clone(){return new e().copy(this)}};function co(e,t){return e-t}function lo(e,t){return e.z-t.z}function uo(e,t){return t.z-e.z}var fo=class{constructor(){this.index=0,this.pool=[],this.list=[]}push(e,t,n,r){let i=this.pool,a=this.list;this.index>=i.length&&i.push({start:-1,count:-1,z:-1,index:-1});let o=i[this.index];a.push(o),this.index++,o.start=e,o.count=t,o.z=n,o.index=r}reset(){this.list.length=0,this.index=0}},po=new G,mo=new K(1,1,1),ho=new ao,go=new so,_o=new Jr,vo=new ki,yo=new H,bo=new H,xo=new H,So=new fo,Co=new Ea,wo=[];function To(e,t,n=0){let r=t.itemSize;if(e.isInterleavedBufferAttribute||e.array.constructor!==t.array.constructor){let i=e.count;for(let a=0;a<i;a++)for(let i=0;i<r;i++)t.setComponent(a+n,i,e.getComponent(a,i))}else t.array.set(e.array,n*r);t.needsUpdate=!0}function Eo(e,t){if(e.constructor!==t.constructor){let n=Math.min(e.length,t.length);for(let r=0;r<n;r++)t[r]=e[r]}else{let n=Math.min(e.length,t.length);t.set(new e.constructor(e.buffer,0,n))}}var Do=class extends Ea{constructor(e,t,n=t*2,r){super(new J,r),this.isBatchedMesh=!0,this.perObjectFrustumCulled=!0,this.sortObjects=!0,this.boundingBox=null,this.boundingSphere=null,this.customSort=null,this._instanceInfo=[],this._geometryInfo=[],this._availableInstanceIds=[],this._availableGeometryIds=[],this._nextIndexStart=0,this._nextVertexStart=0,this._geometryCount=0,this._visibilityChanged=!0,this._geometryInitialized=!1,this._maxInstanceCount=e,this._maxVertexCount=t,this._maxIndexCount=n,this._multiDrawCounts=new Int32Array(e),this._multiDrawStarts=new Int32Array(e),this._multiDrawCount=0,this._matricesTexture=null,this._indirectTexture=null,this._colorsTexture=null,this._initMatricesTexture(),this._initIndirectTexture()}get maxInstanceCount(){return this._maxInstanceCount}get instanceCount(){return this._instanceInfo.length-this._availableInstanceIds.length}get unusedVertexCount(){return this._maxVertexCount-this._nextVertexStart}get unusedIndexCount(){return this._maxIndexCount-this._nextIndexStart}_initMatricesTexture(){let e=Math.sqrt(this._maxInstanceCount*4);e=Math.ceil(e/4)*4,e=Math.max(e,4);let t=new Ba(new Float32Array(e*e*4),e,e,M,j);this._matricesTexture=t}_initIndirectTexture(){let e=Math.sqrt(this._maxInstanceCount);e=Math.ceil(e);let t=new Ba(new Uint32Array(e*e),e,e,de,ee);this._indirectTexture=t}_initColorsTexture(){let e=Math.sqrt(this._maxInstanceCount);e=Math.ceil(e);let t=new Ba(new Float32Array(e*e*4).fill(1),e,e,M,j);t.colorSpace=W.workingColorSpace,this._colorsTexture=t}_initializeGeometry(e){let t=this.geometry,n=this._maxVertexCount,r=this._maxIndexCount;if(this._geometryInitialized===!1){for(let r in e.attributes){let{array:i,itemSize:a,normalized:o}=e.getAttribute(r),s=new _i(new i.constructor(n*a),a,o);t.setAttribute(r,s)}if(e.getIndex()!==null){let e=n>65535?new Uint32Array(r):new Uint16Array(r);t.setIndex(new _i(e,1))}this._geometryInitialized=!0}}_validateGeometry(e){let t=this.geometry;if(!!e.getIndex()!=!!t.getIndex())throw Error(`THREE.BatchedMesh: All geometries must consistently have "index".`);for(let n in t.attributes){if(!e.hasAttribute(n))throw Error(`THREE.BatchedMesh: Added geometry missing "${n}". All geometries must have consistent attributes.`);let r=e.getAttribute(n),i=t.getAttribute(n);if(r.itemSize!==i.itemSize||r.normalized!==i.normalized)throw Error(`THREE.BatchedMesh: All attributes must have a consistent itemSize and normalized value.`)}}validateInstanceId(e){let t=this._instanceInfo;if(e<0||e>=t.length||t[e].active===!1)throw Error(`THREE.BatchedMesh: Invalid instanceId ${e}. Instance is either out of range or has been deleted.`)}validateGeometryId(e){let t=this._geometryInfo;if(e<0||e>=t.length||t[e].active===!1)throw Error(`THREE.BatchedMesh: Invalid geometryId ${e}. Geometry is either out of range or has been deleted.`)}setCustomSort(e){return this.customSort=e,this}computeBoundingBox(){this.boundingBox===null&&(this.boundingBox=new Jr);let e=this.boundingBox,t=this._instanceInfo;e.makeEmpty();for(let n=0,r=t.length;n<r;n++){if(t[n].active===!1)continue;let r=t[n].geometryIndex;this.getMatrixAt(n,po),this.getBoundingBoxAt(r,_o).applyMatrix4(po),e.union(_o)}}computeBoundingSphere(){this.boundingSphere===null&&(this.boundingSphere=new ki);let e=this.boundingSphere,t=this._instanceInfo;e.makeEmpty();for(let n=0,r=t.length;n<r;n++){if(t[n].active===!1)continue;let r=t[n].geometryIndex;this.getMatrixAt(n,po),this.getBoundingSphereAt(r,vo).applyMatrix4(po),e.union(vo)}}addInstance(e){if(this._instanceInfo.length>=this.maxInstanceCount&&this._availableInstanceIds.length===0)throw Error(`THREE.BatchedMesh: Maximum item count reached.`);let t={visible:!0,active:!0,geometryIndex:e},n=null;this._availableInstanceIds.length>0?(this._availableInstanceIds.sort(co),n=this._availableInstanceIds.shift(),this._instanceInfo[n]=t):(n=this._instanceInfo.length,this._instanceInfo.push(t));let r=this._matricesTexture;po.identity().toArray(r.image.data,n*16),r.needsUpdate=!0;let i=this._colorsTexture;return i&&(mo.toArray(i.image.data,n*4),i.needsUpdate=!0),this._visibilityChanged=!0,n}addGeometry(e,t=-1,n=-1){this._initializeGeometry(e),this._validateGeometry(e);let r={vertexStart:-1,vertexCount:-1,reservedVertexCount:-1,indexStart:-1,indexCount:-1,reservedIndexCount:-1,start:-1,count:-1,boundingBox:null,boundingSphere:null,active:!0},i=this._geometryInfo;r.vertexStart=this._nextVertexStart,r.reservedVertexCount=t===-1?e.getAttribute(`position`).count:t;let a=e.getIndex();if(a!==null&&(r.indexStart=this._nextIndexStart,r.reservedIndexCount=n===-1?a.count:n),r.indexStart!==-1&&r.indexStart+r.reservedIndexCount>this._maxIndexCount||r.vertexStart+r.reservedVertexCount>this._maxVertexCount)throw Error(`THREE.BatchedMesh: Reserved space request exceeds the maximum buffer size.`);let o;return this._availableGeometryIds.length>0?(this._availableGeometryIds.sort(co),o=this._availableGeometryIds.shift(),i[o]=r):(o=this._geometryCount,this._geometryCount++,i.push(r)),this.setGeometryAt(o,e),this._nextIndexStart=r.indexStart+r.reservedIndexCount,this._nextVertexStart=r.vertexStart+r.reservedVertexCount,o}setGeometryAt(e,t){if(e>=this._geometryCount)throw Error(`THREE.BatchedMesh: Maximum geometry count reached.`);this._validateGeometry(t);let n=this.geometry,r=n.getIndex()!==null,i=n.getIndex(),a=t.getIndex(),o=this._geometryInfo[e];if(r&&a.count>o.reservedIndexCount||t.attributes.position.count>o.reservedVertexCount)throw Error(`THREE.BatchedMesh: Reserved space not large enough for provided geometry.`);let s=o.vertexStart,c=o.reservedVertexCount;o.vertexCount=t.getAttribute(`position`).count;for(let e in n.attributes){let r=t.getAttribute(e),i=n.getAttribute(e);To(r,i,s);let a=r.itemSize;for(let e=r.count,t=c;e<t;e++){let t=s+e;for(let e=0;e<a;e++)i.setComponent(t,e,0)}i.needsUpdate=!0,i.addUpdateRange(s*a,c*a)}if(r){let e=o.indexStart,n=o.reservedIndexCount;o.indexCount=t.getIndex().count;for(let t=0;t<a.count;t++)i.setX(e+t,s+a.getX(t));for(let t=a.count,r=n;t<r;t++)i.setX(e+t,s);i.needsUpdate=!0,i.addUpdateRange(e,o.reservedIndexCount)}return o.start=r?o.indexStart:o.vertexStart,o.count=r?o.indexCount:o.vertexCount,o.boundingBox=null,t.boundingBox!==null&&(o.boundingBox=t.boundingBox.clone()),o.boundingSphere=null,t.boundingSphere!==null&&(o.boundingSphere=t.boundingSphere.clone()),this._visibilityChanged=!0,e}deleteGeometry(e){let t=this._geometryInfo;if(e>=t.length||t[e].active===!1)return this;let n=this._instanceInfo;for(let t=0,r=n.length;t<r;t++)n[t].active&&n[t].geometryIndex===e&&this.deleteInstance(t);return t[e].active=!1,this._availableGeometryIds.push(e),this._visibilityChanged=!0,this}deleteInstance(e){return this.validateInstanceId(e),this._instanceInfo[e].active=!1,this._availableInstanceIds.push(e),this._visibilityChanged=!0,this}optimize(){let e=0,t=0,n=this._geometryInfo,r=n.map((e,t)=>t).sort((e,t)=>n[e].vertexStart-n[t].vertexStart),i=this.geometry;for(let a=0,o=n.length;a<o;a++){let o=n[r[a]];if(o.active!==!1){if(i.index!==null){if(o.indexStart!==t){let{indexStart:n,vertexStart:r,reservedIndexCount:a}=o,s=i.index,c=s.array,l=e-r;for(let e=n;e<n+a;e++)c[e]=c[e]+l;s.array.copyWithin(t,n,n+a),s.addUpdateRange(t,a),s.needsUpdate=!0,o.indexStart=t}t+=o.reservedIndexCount}if(o.vertexStart!==e){let{vertexStart:t,reservedVertexCount:n}=o,r=i.attributes;for(let i in r){let a=r[i],{array:o,itemSize:s}=a;o.copyWithin(e*s,t*s,(t+n)*s),a.addUpdateRange(e*s,n*s),a.needsUpdate=!0}o.vertexStart=e}e+=o.reservedVertexCount,o.start=i.index?o.indexStart:o.vertexStart}}return this._nextIndexStart=t,this._nextVertexStart=e,this._visibilityChanged=!0,this}getBoundingBoxAt(e,t){if(e>=this._geometryCount)return null;let n=this.geometry,r=this._geometryInfo[e];if(r.boundingBox===null){let e=new Jr,t=n.index,i=n.attributes.position;for(let n=r.start,a=r.start+r.count;n<a;n++){let r=n;t&&(r=t.getX(r)),e.expandByPoint(yo.fromBufferAttribute(i,r))}r.boundingBox=e}return t.copy(r.boundingBox),t}getBoundingSphereAt(e,t){if(e>=this._geometryCount)return null;let n=this.geometry,r=this._geometryInfo[e];if(r.boundingSphere===null){let t=new ki;this.getBoundingBoxAt(e,_o),_o.getCenter(t.center);let i=n.index,a=n.attributes.position,o=0;for(let e=r.start,n=r.start+r.count;e<n;e++){let n=e;i&&(n=i.getX(n)),yo.fromBufferAttribute(a,n),o=Math.max(o,t.center.distanceToSquared(yo))}t.radius=Math.sqrt(o),r.boundingSphere=t}return t.copy(r.boundingSphere),t}setMatrixAt(e,t){this.validateInstanceId(e);let n=this._matricesTexture,r=this._matricesTexture.image.data;return t.toArray(r,e*16),n.needsUpdate=!0,this}getMatrixAt(e,t){return this.validateInstanceId(e),t.fromArray(this._matricesTexture.image.data,e*16)}setColorAt(e,t){return this.validateInstanceId(e),this._colorsTexture===null&&this._initColorsTexture(),t.toArray(this._colorsTexture.image.data,e*4),this._colorsTexture.needsUpdate=!0,this}getColorAt(e,t){return this.validateInstanceId(e),this._colorsTexture===null?t.isVector4?t.set(1,1,1,1):t.setRGB(1,1,1):t.fromArray(this._colorsTexture.image.data,e*4)}setVisibleAt(e,t){return this.validateInstanceId(e),this._instanceInfo[e].visible===t?this:(this._instanceInfo[e].visible=t,this._visibilityChanged=!0,this)}getVisibleAt(e){return this.validateInstanceId(e),this._instanceInfo[e].visible}setGeometryIdAt(e,t){return this.validateInstanceId(e),this.validateGeometryId(t),this._instanceInfo[e].geometryIndex=t,this}getGeometryIdAt(e){return this.validateInstanceId(e),this._instanceInfo[e].geometryIndex}getGeometryRangeAt(e,t={}){this.validateGeometryId(e);let n=this._geometryInfo[e];return t.vertexStart=n.vertexStart,t.vertexCount=n.vertexCount,t.reservedVertexCount=n.reservedVertexCount,t.indexStart=n.indexStart,t.indexCount=n.indexCount,t.reservedIndexCount=n.reservedIndexCount,t.start=n.start,t.count=n.count,t}setInstanceCount(e){let t=this._availableInstanceIds,n=this._instanceInfo;for(t.sort(co);t[t.length-1]===n.length-1;)n.pop(),t.pop();if(e<n.length)throw Error(`THREE.BatchedMesh: Instance ids outside the range ${e} are being used. Cannot shrink instance count.`);let r=new Int32Array(e),i=new Int32Array(e);Eo(this._multiDrawCounts,r),Eo(this._multiDrawStarts,i),this._multiDrawCounts=r,this._multiDrawStarts=i,this._maxInstanceCount=e;let a=this._indirectTexture,o=this._matricesTexture,s=this._colorsTexture;a.dispose(),this._initIndirectTexture(),Eo(a.image.data,this._indirectTexture.image.data),o.dispose(),this._initMatricesTexture(),Eo(o.image.data,this._matricesTexture.image.data),s&&(s.dispose(),this._initColorsTexture(),Eo(s.image.data,this._colorsTexture.image.data))}setGeometrySize(e,t){let n=[...this._geometryInfo].filter(e=>e.active);if(Math.max(...n.map(e=>e.vertexStart+e.reservedVertexCount))>e)throw Error(`THREE.BatchedMesh: Geometry vertex values are being used outside the range ${t}. Cannot shrink further.`);if(this.geometry.index&&Math.max(...n.map(e=>e.indexStart+e.reservedIndexCount))>t)throw Error(`THREE.BatchedMesh: Geometry index values are being used outside the range ${t}. Cannot shrink further.`);let r=this.geometry;r.dispose(),this._maxVertexCount=e,this._maxIndexCount=t,this._geometryInitialized&&(this._geometryInitialized=!1,this.geometry=new J,this._initializeGeometry(r));let i=this.geometry;r.index&&Eo(r.index.array,i.index.array);for(let e in r.attributes)Eo(r.attributes[e].array,i.attributes[e].array)}raycast(e,t){let n=this._instanceInfo,r=this._geometryInfo,i=this.matrixWorld,a=this.geometry;Co.material=this.material,Co.geometry.index=a.index,Co.geometry.attributes=a.attributes,Co.geometry.boundingBox===null&&(Co.geometry.boundingBox=new Jr),Co.geometry.boundingSphere===null&&(Co.geometry.boundingSphere=new ki);for(let a=0,o=n.length;a<o;a++){if(!n[a].visible||!n[a].active)continue;let o=n[a].geometryIndex,s=r[o];Co.geometry.setDrawRange(s.start,s.count),this.getMatrixAt(a,Co.matrixWorld).premultiply(i),this.getBoundingBoxAt(o,Co.geometry.boundingBox),this.getBoundingSphereAt(o,Co.geometry.boundingSphere),Co.raycast(e,wo);for(let e=0,n=wo.length;e<n;e++){let n=wo[e];n.object=this,n.batchId=a,t.push(n)}wo.length=0}Co.material=null,Co.geometry.index=null,Co.geometry.attributes={},Co.geometry.setDrawRange(0,1/0)}copy(e){return super.copy(e),this.geometry=e.geometry.clone(),this.perObjectFrustumCulled=e.perObjectFrustumCulled,this.sortObjects=e.sortObjects,this.boundingBox=e.boundingBox===null?null:e.boundingBox.clone(),this.boundingSphere=e.boundingSphere===null?null:e.boundingSphere.clone(),this._geometryInfo=e._geometryInfo.map(e=>({...e,boundingBox:e.boundingBox===null?null:e.boundingBox.clone(),boundingSphere:e.boundingSphere===null?null:e.boundingSphere.clone()})),this._instanceInfo=e._instanceInfo.map(e=>({...e})),this._availableInstanceIds=e._availableInstanceIds.slice(),this._availableGeometryIds=e._availableGeometryIds.slice(),this._nextIndexStart=e._nextIndexStart,this._nextVertexStart=e._nextVertexStart,this._geometryCount=e._geometryCount,this._maxInstanceCount=e._maxInstanceCount,this._maxVertexCount=e._maxVertexCount,this._maxIndexCount=e._maxIndexCount,this._geometryInitialized=e._geometryInitialized,this._multiDrawCounts=e._multiDrawCounts.slice(),this._multiDrawStarts=e._multiDrawStarts.slice(),this._indirectTexture=e._indirectTexture.clone(),this._indirectTexture.image.data=this._indirectTexture.image.data.slice(),this._matricesTexture=e._matricesTexture.clone(),this._matricesTexture.image.data=this._matricesTexture.image.data.slice(),this._colorsTexture!==null&&(this._colorsTexture=e._colorsTexture.clone(),this._colorsTexture.image.data=this._colorsTexture.image.data.slice()),this}dispose(){this.geometry.dispose(),this._matricesTexture.dispose(),this._matricesTexture=null,this._indirectTexture.dispose(),this._indirectTexture=null,this._colorsTexture!==null&&(this._colorsTexture.dispose(),this._colorsTexture=null)}onBeforeRender(e,t,n,r,i){if(!this._visibilityChanged&&!this.perObjectFrustumCulled&&!this.sortObjects)return;let a=r.getIndex(),o=a===null?1:a.array.BYTES_PER_ELEMENT,s=1;i.wireframe&&(s=2,o=r.attributes.position.count>65535?4:2);let c=this._instanceInfo,l=this._multiDrawStarts,u=this._multiDrawCounts,d=this._geometryInfo,f=this.perObjectFrustumCulled,p=this._indirectTexture,m=p.image.data,h=n.isArrayCamera?go:ho;f&&(n.isArrayCamera?h.setFromArrayCamera(n):(po.multiplyMatrices(n.projectionMatrix,n.matrixWorldInverse).multiply(this.matrixWorld),h.setFromProjectionMatrix(po,n.coordinateSystem,n.reversedDepth)));let g=0;if(this.sortObjects){po.copy(this.matrixWorld).invert(),yo.setFromMatrixPosition(n.matrixWorld).applyMatrix4(po),bo.set(0,0,-1).transformDirection(n.matrixWorld).transformDirection(po);for(let e=0,t=c.length;e<t;e++)if(c[e].visible&&c[e].active){let t=c[e].geometryIndex;this.getMatrixAt(e,po),this.getBoundingSphereAt(t,vo).applyMatrix4(po);let n=!1;if(f&&(n=!h.intersectsSphere(vo)),!n){let n=d[t],r=xo.subVectors(vo.center,yo).dot(bo);So.push(n.start,n.count,r,e)}}let e=So.list,t=this.customSort;t===null?e.sort(i.transparent?uo:lo):t.call(this,e,n);for(let t=0,n=e.length;t<n;t++){let n=e[t];l[g]=n.start*o*s,u[g]=n.count*s,m[g]=n.index,g++}So.reset()}else for(let e=0,t=c.length;e<t;e++)if(c[e].visible&&c[e].active){let t=c[e].geometryIndex,n=!1;if(f&&(this.getMatrixAt(e,po),this.getBoundingSphereAt(t,vo).applyMatrix4(po),n=!h.intersectsSphere(vo)),!n){let n=d[t];l[g]=n.start*o*s,u[g]=n.count*s,m[g]=e,g++}}p.needsUpdate=!0,this._multiDrawCount=g,this._visibilityChanged=!1}onBeforeShadow(e,t,n,r,i,a){this.onBeforeRender(e,null,r,i,a)}},Oo=class extends Vi{constructor(e){super(),this.isLineBasicMaterial=!0,this.type=`LineBasicMaterial`,this.color=new K(16777215),this.map=null,this.linewidth=1,this.linecap=`round`,this.linejoin=`round`,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.linewidth=e.linewidth,this.linecap=e.linecap,this.linejoin=e.linejoin,this.fog=e.fog,this}},ko=new H,Ao=new H,jo=new G,Mo=new ma,No=new ki,Po=new H,Fo=new H,Io=class extends Sr{constructor(e=new J,t=new Oo){super(),this.isLine=!0,this.type=`Line`,this.geometry=e,this.material=t,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),this.material=Array.isArray(e.material)?e.material.slice():e.material,this.geometry=e.geometry,this}computeLineDistances(){let e=this.geometry;if(e.index===null){let t=e.attributes.position,n=[0];for(let e=1,r=t.count;e<r;e++)ko.fromBufferAttribute(t,e-1),Ao.fromBufferAttribute(t,e),n[e]=n[e-1],n[e]+=ko.distanceTo(Ao);e.setAttribute(`lineDistance`,new q(n,1))}else L(`Line.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.`);return this}raycast(e,t){let n=this.geometry,r=this.matrixWorld,i=e.params.Line.threshold,a=n.drawRange;if(n.boundingSphere===null&&n.computeBoundingSphere(),No.copy(n.boundingSphere),No.applyMatrix4(r),No.radius+=i,e.ray.intersectsSphere(No)===!1)return;jo.copy(r).invert(),Mo.copy(e.ray).applyMatrix4(jo);let o=i/((this.scale.x+this.scale.y+this.scale.z)/3),s=o*o,c=this.isLineSegments?2:1,l=n.index,u=n.attributes.position;if(l!==null){let n=Math.max(0,a.start),r=Math.min(l.count,a.start+a.count);for(let i=n,a=r-1;i<a;i+=c){let n=l.getX(i),r=l.getX(i+1),a=Lo(this,e,Mo,s,n,r,i);a&&t.push(a)}if(this.isLineLoop){let i=l.getX(r-1),a=l.getX(n),o=Lo(this,e,Mo,s,i,a,r-1);o&&t.push(o)}}else{let n=Math.max(0,a.start),r=Math.min(u.count,a.start+a.count);for(let i=n,a=r-1;i<a;i+=c){let n=Lo(this,e,Mo,s,i,i+1,i);n&&t.push(n)}if(this.isLineLoop){let i=Lo(this,e,Mo,s,r-1,n,r-1);i&&t.push(i)}}}updateMorphTargets(){let e=this.geometry.morphAttributes,t=Object.keys(e);if(t.length>0){let n=e[t[0]];if(n!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,t=n.length;e<t;e++){let t=n[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[t]=e}}}}};function Lo(e,t,n,r,i,a,o){let s=e.geometry.attributes.position;if(ko.fromBufferAttribute(s,i),Ao.fromBufferAttribute(s,a),n.distanceSqToSegment(ko,Ao,Po,Fo)>r)return;Po.applyMatrix4(e.matrixWorld);let c=t.ray.origin.distanceTo(Po);if(!(c<t.near||c>t.far))return{distance:c,point:Fo.clone().applyMatrix4(e.matrixWorld),index:o,face:null,faceIndex:null,barycoord:null,object:e}}var Ro=new H,zo=new H,Bo=class extends Io{constructor(e,t){super(e,t),this.isLineSegments=!0,this.type=`LineSegments`}computeLineDistances(){let e=this.geometry;if(e.index===null){let t=e.attributes.position,n=[];for(let e=0,r=t.count;e<r;e+=2)Ro.fromBufferAttribute(t,e),zo.fromBufferAttribute(t,e+1),n[e]=e===0?0:n[e-1],n[e+1]=n[e]+Ro.distanceTo(zo);e.setAttribute(`lineDistance`,new q(n,1))}else L(`LineSegments.computeLineDistances(): Computation only possible with non-indexed BufferGeometry.`);return this}},Vo=class extends Io{constructor(e,t){super(e,t),this.isLineLoop=!0,this.type=`LineLoop`}},Ho=class extends Vi{constructor(e){super(),this.isPointsMaterial=!0,this.type=`PointsMaterial`,this.color=new K(16777215),this.map=null,this.alphaMap=null,this.size=1,this.sizeAttenuation=!0,this.fog=!0,this.setValues(e)}copy(e){return super.copy(e),this.color.copy(e.color),this.map=e.map,this.alphaMap=e.alphaMap,this.size=e.size,this.sizeAttenuation=e.sizeAttenuation,this.fog=e.fog,this}},Uo=new G,Wo=new ma,Go=new ki,Ko=new H,qo=class extends Sr{constructor(e=new J,t=new Ho){super(),this.isPoints=!0,this.type=`Points`,this.geometry=e,this.material=t,this.morphTargetDictionary=void 0,this.morphTargetInfluences=void 0,this.updateMorphTargets()}copy(e,t){return super.copy(e,t),this.material=Array.isArray(e.material)?e.material.slice():e.material,this.geometry=e.geometry,this}raycast(e,t){let n=this.geometry,r=this.matrixWorld,i=e.params.Points.threshold,a=n.drawRange;if(n.boundingSphere===null&&n.computeBoundingSphere(),Go.copy(n.boundingSphere),Go.applyMatrix4(r),Go.radius+=i,e.ray.intersectsSphere(Go)===!1)return;Uo.copy(r).invert(),Wo.copy(e.ray).applyMatrix4(Uo);let o=i/((this.scale.x+this.scale.y+this.scale.z)/3),s=o*o,c=n.index,l=n.attributes.position;if(c!==null){let n=Math.max(0,a.start),i=Math.min(c.count,a.start+a.count);for(let a=n,o=i;a<o;a++){let n=c.getX(a);Ko.fromBufferAttribute(l,n),Jo(Ko,n,s,r,e,t,this)}}else{let n=Math.max(0,a.start),i=Math.min(l.count,a.start+a.count);for(let a=n,o=i;a<o;a++)Ko.fromBufferAttribute(l,a),Jo(Ko,a,s,r,e,t,this)}}updateMorphTargets(){let e=this.geometry.morphAttributes,t=Object.keys(e);if(t.length>0){let n=e[t[0]];if(n!==void 0){this.morphTargetInfluences=[],this.morphTargetDictionary={};for(let e=0,t=n.length;e<t;e++){let t=n[e].name||String(e);this.morphTargetInfluences.push(0),this.morphTargetDictionary[t]=e}}}}};function Jo(e,t,n,r,i,a,o){let s=Wo.distanceSqToPoint(e);if(s<n){let n=new H;Wo.closestPointToPoint(e,n),n.applyMatrix4(r);let c=i.ray.origin.distanceTo(n);if(c<i.near||c>i.far)return;a.push({distance:c,distanceToRay:Math.sqrt(s),point:n,index:t,face:null,faceIndex:null,barycoord:null,object:o})}}var Yo=class extends Hn{constructor(e,t,n,r,i=x,a=x,o,s,c){super(e,t,n,r,i,a,o,s,c),this.isVideoTexture=!0,this.generateMipmaps=!1,this._requestVideoFrameCallbackId=0;let l=this;function u(){l.needsUpdate=!0,l._requestVideoFrameCallbackId=e.requestVideoFrameCallback(u)}`requestVideoFrameCallback`in e&&(this._requestVideoFrameCallbackId=e.requestVideoFrameCallback(u))}clone(){return new this.constructor(this.image).copy(this)}update(){let e=this.image;!(`requestVideoFrameCallback`in e)&&e.readyState>=e.HAVE_CURRENT_DATA&&(this.needsUpdate=!0)}dispose(){this._requestVideoFrameCallbackId!==0&&(this.source.data.cancelVideoFrameCallback(this._requestVideoFrameCallbackId),this._requestVideoFrameCallbackId=0),super.dispose()}},Xo=class extends Yo{constructor(e,t,n,r,i,a,o,s){super({},e,t,n,r,i,a,o,s),this.isVideoFrameTexture=!0}update(){}clone(){return new this.constructor().copy(this)}setFrame(e){this.image=e,this.needsUpdate=!0}},Zo=class extends Hn{constructor(e,t){super({width:e,height:t}),this.isFramebufferTexture=!0,this.magFilter=g,this.minFilter=g,this.generateMipmaps=!1,this.needsUpdate=!0}},Qo=class extends Hn{constructor(e,t,n,r,i,a,o,s,c,l,u,d){super(null,a,o,s,c,l,r,i,u,d),this.isCompressedTexture=!0,this.image={width:t,height:n},this.mipmaps=e,this.flipY=!1,this.generateMipmaps=!1}},$o=class extends Qo{constructor(e,t,n,r,i,a){super(e,t,n,i,a),this.isCompressedArrayTexture=!0,this.image.depth=r,this.wrapR=m,this.layerUpdates=new Set}addLayerUpdate(e){this.layerUpdates.add(e)}clearLayerUpdates(){this.layerUpdates.clear()}},es=class extends Qo{constructor(e,t,n){super(void 0,e[0].width,e[0].height,t,n,301),this.isCompressedCubeTexture=!0,this.isCubeTexture=!0,this.image=e}},ts=class extends Hn{constructor(e=[],t=301,n,r,i,a,o,s,c,l){super(e,t,n,r,i,a,o,s,c,l),this.isCubeTexture=!0,this.flipY=!1}get images(){return this.image}set images(e){this.image=e}},ns=class extends Hn{constructor(e,t,n,r,i,a,o,s,c){super(e,t,n,r,i,a,o,s,c),this.isCanvasTexture=!0,this.needsUpdate=!0}},rs=class extends Hn{constructor(e,t,n,r,i,a,o,s,c){super(e,t,n,r,i,a,o,s,c),this.isHTMLTexture=!0,this.generateMipmaps=!1,this.needsUpdate=!0;let l=e?e.parentNode:null;l!==null&&`requestPaint`in l&&(l.onpaint=()=>{this.needsUpdate=!0},l.requestPaint())}dispose(){let e=this.image?this.image.parentNode:null;e!==null&&`onpaint`in e&&(e.onpaint=null),super.dispose()}},is=class extends Hn{constructor(e,t,n=ee,r,i,a,o=g,s=g,c,l=le,u=1){if(l!==1026&&l!==1027)throw Error(`THREE.DepthTexture: format must be either THREE.DepthFormat or THREE.DepthStencilFormat`);super({width:e,height:t,depth:u},r,i,a,o,s,l,n,c),this.isDepthTexture=!0,this.flipY=!1,this.generateMipmaps=!1,this.compareFunction=null}copy(e){return super.copy(e),this.source=new Rn(Object.assign({},e.image)),this.compareFunction=e.compareFunction,this}toJSON(e){let t=super.toJSON(e);return this.compareFunction!==null&&(t.compareFunction=this.compareFunction),t}},as=class extends is{constructor(e,t=ee,n=301,r,i,a=g,o=g,s,c=le){let l={width:e,height:e,depth:1},u=[l,l,l,l,l,l];super(e,e,t,n,r,i,a,o,s,c),this.image=u,this.isCubeDepthTexture=!0,this.isCubeTexture=!0}get images(){return this.image}set images(e){this.image=e}},os=class extends Hn{constructor(e=null){super(),this.sourceTexture=e,this.isExternalTexture=!0}copy(e){return super.copy(e),this.sourceTexture=e.sourceTexture,this}},ss=class e extends J{constructor(e=1,t=1,n=1,r=1,i=1,a=1){super(),this.type=`BoxGeometry`,this.parameters={width:e,height:t,depth:n,widthSegments:r,heightSegments:i,depthSegments:a};let o=this;r=Math.floor(r),i=Math.floor(i),a=Math.floor(a);let s=[],c=[],l=[],u=[],d=0,f=0;p(`z`,`y`,`x`,-1,-1,n,t,e,a,i,0),p(`z`,`y`,`x`,1,-1,n,t,-e,a,i,1),p(`x`,`z`,`y`,1,1,e,n,t,r,a,2),p(`x`,`z`,`y`,1,-1,e,n,-t,r,a,3),p(`x`,`y`,`z`,1,-1,e,t,n,r,i,4),p(`x`,`y`,`z`,-1,-1,e,t,-n,r,i,5),this.setIndex(s),this.setAttribute(`position`,new q(c,3)),this.setAttribute(`normal`,new q(l,3)),this.setAttribute(`uv`,new q(u,2));function p(e,t,n,r,i,a,p,m,h,g,_){let v=a/h,y=p/g,b=a/2,x=p/2,S=m/2,C=h+1,w=g+1,T=0,E=0,D=new H;for(let a=0;a<w;a++){let o=a*y-x;for(let s=0;s<C;s++)D[e]=(s*v-b)*r,D[t]=o*i,D[n]=S,c.push(D.x,D.y,D.z),D[e]=0,D[t]=0,D[n]=m>0?1:-1,l.push(D.x,D.y,D.z),u.push(s/h),u.push(1-a/g),T+=1}for(let e=0;e<g;e++)for(let t=0;t<h;t++){let n=d+t+C*e,r=d+t+C*(e+1),i=d+(t+1)+C*(e+1),a=d+(t+1)+C*e;s.push(n,r,a),s.push(r,i,a),E+=6}o.addGroup(f,E,_),f+=E,d+=T}}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(t){return new e(t.width,t.height,t.depth,t.widthSegments,t.heightSegments,t.depthSegments)}},cs=class e extends J{constructor(e=1,t=1,n=4,r=8,i=1){super(),this.type=`CapsuleGeometry`,this.parameters={radius:e,height:t,capSegments:n,radialSegments:r,heightSegments:i},t=Math.max(0,t),n=Math.max(1,Math.floor(n)),r=Math.max(3,Math.floor(r)),i=Math.max(1,Math.floor(i));let a=[],o=[],s=[],c=[],l=t/2,u=Math.PI/2*e,d=t,f=2*u+d,p=n*2+i,m=r+1,h=new H,g=new H;for(let _=0;_<=p;_++){let v=0,y=0,b=0,x=0;if(_<=n){let t=_/n,r=t*Math.PI/2;y=-l-e*Math.cos(r),b=e*Math.sin(r),x=-e*Math.cos(r),v=t*u}else if(_<=n+i){let r=(_-n)/i;y=-l+r*t,b=e,x=0,v=u+r*d}else{let t=(_-n-i)/n,r=t*Math.PI/2;y=l+e*Math.sin(r),b=e*Math.cos(r),x=e*Math.sin(r),v=u+d+t*u}let S=Math.max(0,Math.min(1,v/f)),C=0;_===0?C=.5/r:_===p&&(C=-.5/r);for(let e=0;e<=r;e++){let t=e/r,n=t*Math.PI*2,i=Math.sin(n),a=Math.cos(n);g.x=-b*a,g.y=y,g.z=b*i,o.push(g.x,g.y,g.z),h.set(-b*a,x,b*i),h.normalize(),s.push(h.x,h.y,h.z),c.push(t+C,S)}if(_>0){let e=(_-1)*m;for(let t=0;t<r;t++){let n=e+t,r=e+t+1,i=_*m+t,o=_*m+t+1;a.push(n,r,i),a.push(r,o,i)}}}this.setIndex(a),this.setAttribute(`position`,new q(o,3)),this.setAttribute(`normal`,new q(s,3)),this.setAttribute(`uv`,new q(c,2))}copy(e){return super.copy(e),this.parameters=Object.assign({},e.parameters),this}static fromJSON(t){return new e(t.radius,t.height,t.capSegments,t.radialSegments,t.heightSegments)}},ls=class e extends J{constructor(e=1,t=32,n=0,r=Math.PI*2){super(),this.type=`CircleGeometry`,this.parameters={radius:e,segments:t,thetaStart:n,thetaLength:r},t=Math.max(3,t);let i=[],a=[],o=[],s=[],c=new H,l=new V;a.push(0,0,0),o.push(0,0,1),s.push(.5,.5);for(let i=0,u=3;i<=t;i++,u+=3){let 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c=(t-e)/a-(n-e)/(a+o)+(n-t)/o,l=(n-t)/o-(r-t)/(o+s)+(r-n)/s;c*=o,l*=o,i(t,n,c,l)},calc:function(i){let a=i*i,o=a*i;return e+t*i+n*a+r*o}}}var Cs=new H,ws=new H,Ts=new Ss,Es=new Ss,Ds=new Ss,Os=class extends ys{constructor(e=[],t=!1,n=`centripetal`,r=.5){super(),this.isCatmullRomCurve3=!0,this.type=`CatmullRomCurve3`,this.points=e,this.closed=t,this.curveType=n,this.tension=r}getPoint(e,t=new H){let n=t,r=this.points,i=r.length,a=(i-+!this.closed)*e,o=Math.floor(a),s=a-o;this.closed?o+=o>0?0:(Math.floor(Math.abs(o)/i)+1)*i:s===0&&o===i-1&&(o=i-2,s=1);let c,l;this.closed||o>0?c=r[(o-1)%i]:(ws.subVectors(r[0],r[1]).add(r[0]),c=ws);let u=r[o%i],d=r[(o+1)%i];if(this.closed||o+2<i?l=r[(o+2)%i]:(Cs.subVectors(r[i-1],r[i-2]).add(r[i-1]),l=Cs),this.curveType===`centripetal`||this.curveType===`chordal`){let e=this.curveType===`chordal`?.5:.25,t=c.distanceToSquared(u)**+e,n=u.distanceToSquared(d)**+e,r=d.distanceToSquared(l)**+e;n<1e-4&&(n=1),t<1e-4&&(t=n),r<1e-4&&(r=n),Ts.initNonuniformCatmullRom(c.x,u.x,d.x,l.x,t,n,r),Es.initNonuniformCatmullRom(c.y,u.y,d.y,l.y,t,n,r),Ds.initNonuniformCatmullRom(c.z,u.z,d.z,l.z,t,n,r)}else this.curveType===`catmullrom`&&(Ts.initCatmullRom(c.x,u.x,d.x,l.x,this.tension),Es.initCatmullRom(c.y,u.y,d.y,l.y,this.tension),Ds.initCatmullRom(c.z,u.z,d.z,l.z,this.tension));return n.set(Ts.calc(s),Es.calc(s),Ds.calc(s)),n}copy(e){super.copy(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){let n=e.points[t];this.points.push(n.clone())}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}toJSON(){let e=super.toJSON();e.points=[];for(let t=0,n=this.points.length;t<n;t++){let n=this.points[t];e.points.push(n.toArray())}return e.closed=this.closed,e.curveType=this.curveType,e.tension=this.tension,e}fromJSON(e){super.fromJSON(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){let n=e.points[t];this.points.push(new H().fromArray(n))}return this.closed=e.closed,this.curveType=e.curveType,this.tension=e.tension,this}};function ks(e,t,n,r,i){let a=(r-t)*.5,o=(i-n)*.5,s=e*e,c=e*s;return(2*n-2*r+a+o)*c+(-3*n+3*r-2*a-o)*s+a*e+n}function As(e,t){let n=1-e;return n*n*t}function js(e,t){return 2*(1-e)*e*t}function Ms(e,t){return e*e*t}function Ns(e,t,n,r){return As(e,t)+js(e,n)+Ms(e,r)}function Ps(e,t){let n=1-e;return n*n*n*t}function Fs(e,t){let n=1-e;return 3*n*n*e*t}function Is(e,t){return 3*(1-e)*e*e*t}function Ls(e,t){return e*e*e*t}function Rs(e,t,n,r,i){return Ps(e,t)+Fs(e,n)+Is(e,r)+Ls(e,i)}var zs=class extends ys{constructor(e=new V,t=new V,n=new V,r=new V){super(),this.isCubicBezierCurve=!0,this.type=`CubicBezierCurve`,this.v0=e,this.v1=t,this.v2=n,this.v3=r}getPoint(e,t=new V){let n=t,r=this.v0,i=this.v1,a=this.v2,o=this.v3;return n.set(Rs(e,r.x,i.x,a.x,o.x),Rs(e,r.y,i.y,a.y,o.y)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){let e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}},Bs=class extends ys{constructor(e=new H,t=new H,n=new H,r=new H){super(),this.isCubicBezierCurve3=!0,this.type=`CubicBezierCurve3`,this.v0=e,this.v1=t,this.v2=n,this.v3=r}getPoint(e,t=new H){let n=t,r=this.v0,i=this.v1,a=this.v2,o=this.v3;return n.set(Rs(e,r.x,i.x,a.x,o.x),Rs(e,r.y,i.y,a.y,o.y),Rs(e,r.z,i.z,a.z,o.z)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this.v3.copy(e.v3),this}toJSON(){let e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e.v3=this.v3.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this.v3.fromArray(e.v3),this}},Vs=class extends ys{constructor(e=new V,t=new V){super(),this.isLineCurve=!0,this.type=`LineCurve`,this.v1=e,this.v2=t}getPoint(e,t=new V){let n=t;return e===1?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(e).add(this.v1)),n}getPointAt(e,t){return this.getPoint(e,t)}

1getTangent(e,t=new V){return t.subVectors(this.v2,this.v1).normalize()}getTangentAt(e,t){return this.getTangent(e,t)}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){let e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}},Hs=class extends ys{constructor(e=new H,t=new H){super(),this.isLineCurve3=!0,this.type=`LineCurve3`,this.v1=e,this.v2=t}getPoint(e,t=new H){let n=t;return e===1?n.copy(this.v2):(n.copy(this.v2).sub(this.v1),n.multiplyScalar(e).add(this.v1)),n}getPointAt(e,t){return this.getPoint(e,t)}getTangent(e,t=new H){return t.subVectors(this.v2,this.v1).normalize()}getTangentAt(e,t){return this.getTangent(e,t)}copy(e){return super.copy(e),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){let e=super.toJSON();return e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}},Us=class extends ys{constructor(e=new V,t=new V,n=new V){super(),this.isQuadraticBezierCurve=!0,this.type=`QuadraticBezierCurve`,this.v0=e,this.v1=t,this.v2=n}getPoint(e,t=new V){let n=t,r=this.v0,i=this.v1,a=this.v2;return n.set(Ns(e,r.x,i.x,a.x),Ns(e,r.y,i.y,a.y)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){let e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}},Ws=class extends ys{constructor(e=new H,t=new H,n=new H){super(),this.isQuadraticBezierCurve3=!0,this.type=`QuadraticBezierCurve3`,this.v0=e,this.v1=t,this.v2=n}getPoint(e,t=new H){let n=t,r=this.v0,i=this.v1,a=this.v2;return n.set(Ns(e,r.x,i.x,a.x),Ns(e,r.y,i.y,a.y),Ns(e,r.z,i.z,a.z)),n}copy(e){return super.copy(e),this.v0.copy(e.v0),this.v1.copy(e.v1),this.v2.copy(e.v2),this}toJSON(){let e=super.toJSON();return e.v0=this.v0.toArray(),e.v1=this.v1.toArray(),e.v2=this.v2.toArray(),e}fromJSON(e){return super.fromJSON(e),this.v0.fromArray(e.v0),this.v1.fromArray(e.v1),this.v2.fromArray(e.v2),this}},Gs=class extends ys{constructor(e=[]){super(),this.isSplineCurve=!0,this.type=`SplineCurve`,this.points=e}getPoint(e,t=new V){let n=t,r=this.points,i=(r.length-1)*e,a=Math.floor(i),o=i-a,s=r[a===0?a:a-1],c=r[a],l=r[a>r.length-2?r.length-1:a+1],u=r[a>r.length-3?r.length-1:a+2];return n.set(ks(o,s.x,c.x,l.x,u.x),ks(o,s.y,c.y,l.y,u.y)),n}copy(e){super.copy(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){let n=e.points[t];this.points.push(n.clone())}return this}toJSON(){let e=super.toJSON();e.points=[];for(let t=0,n=this.points.length;t<n;t++){let n=this.points[t];e.points.push(n.toArray())}return e}fromJSON(e){super.fromJSON(e),this.points=[];for(let t=0,n=e.points.length;t<n;t++){let n=e.points[t];this.points.push(new V().fromArray(n))}return this}},Ks=Object.freeze({__proto__:null,ArcCurve:xs,CatmullRomCurve3:Os,CubicBezierCurve:zs,CubicBezierCurve3:Bs,EllipseCurve:bs,LineCurve:Vs,LineCurve3:Hs,QuadraticBezierCurve:Us,QuadraticBezierCurve3:Ws,SplineCurve:Gs}),qs=class extends ys{constructor(){super(),this.type=`CurvePath`,this.curves=[],this.autoClose=!1}add(e){this.curves.push(e)}closePath(){let e=this.curves[0].getPoint(0),t=this.curves[this.curves.length-1].getPoint(1);if(!e.equals(t)){let n=e.isVector2===!0?`LineCurve`:`LineCurve3`;this.curves.push(new Ks[n](t,e))}return this}getPoint(e,t){let n=e*this.getLength(),r=this.getCurveLengths(),i=0;for(;i<r.length;){if(r[i]>=n){let e=r[i]-n,a=this.curves[i],o=a.getLength(),s=o===0?0:1-e/o;return a.getPointAt(s,t)}i++}return null}getLength(){let e=this.getCurveLengths();return e[e.length-1]}updateArcLengths(){this.needsUpdate=!0,this.cacheLengths=null,this.getCurveLengths()}getCurveLengths(){if(this.cacheLengths&&this.cacheLengths.length===this.curves.length)return this.cacheLengths;let e=[],t=0;for(let n=0,r=this.curves.length;n<r;n++)t+=this.curves[n].getLength(),e.push(t);return this.cacheLengths=e,e}getSpacedPoints(e=40){let t=[];for(let n=0;n<=e;n++)t.push(this.getPoint(n/e));return this.autoClose&&t.push(t[0]),t}getPoints(e=12){let t=[],n;for(let r=0,i=this.curves;r<i.length;r++){let a=i[r],o=a.isEllipseCurve?e*2:a.isLineCurve||a.isLineCurve3?1:a.isS

1plineCurve?e*a.points.length:e,s=a.getPoints(o);for(let e=0;e<s.length;e++){let r=s[e];n&&n.equals(r)||(t.push(r),n=r)}}return this.autoClose&&t.length>1&&!t[t.length-1].equals(t[0])&&t.push(t[0]),t}copy(e){super.copy(e),this.curves=[];for(let t=0,n=e.curves.length;t<n;t++){let n=e.curves[t];this.curves.push(n.clone())}return this.autoClose=e.autoClose,this}toJSON(){let e=super.toJSON();e.autoClose=this.autoClose,e.curves=[];for(let t=0,n=this.curves.length;t<n;t++){let n=this.curves[t];e.curves.push(n.toJSON())}return e}fromJSON(e){super.fromJSON(e),this.autoClose=e.autoClose,this.curves=[];for(let t=0,n=e.curves.length;t<n;t++){let n=e.curves[t];this.curves.push(new Ks[n.type]().fromJSON(n))}return this}},Js=class extends qs{constructor(e){super(),this.type=`Path`,this.currentPoint=new V,e&&this.setFromPoints(e)}setFromPoints(e){this.moveTo(e[0].x,e[0].y);for(let t=1,n=e.length;t<n;t++)this.lineTo(e[t].x,e[t].y);return this}moveTo(e,t){return this.currentPoint.set(e,t),this}lineTo(e,t){let n=new Vs(this.currentPoint.clone(),new V(e,t));return this.curves.push(n),this.currentPoint.set(e,t),this}quadraticCurveTo(e,t,n,r){let i=new Us(this.currentPoint.clone(),new V(e,t),new V(n,r));return this.curves.push(i),this.currentPoint.set(n,r),this}bezierCurveTo(e,t,n,r,i,a){let o=new zs(this.currentPoint.clone(),new V(e,t),new V(n,r),new V(i,a));return this.curves.push(o),this.currentPoint.set(i,a),this}splineThru(e){let t=new Gs([this.currentPoint.clone()].concat(e));return this.curves.push(t),this.currentPoint.copy(e[e.length-1]),this}arc(e,t,n,r,i,a){let o=this.currentPoint.x,s=this.currentPoint.y;return this.absarc(e+o,t+s,n,r,i,a),this}absarc(e,t,n,r,i,a){return this.absellipse(e,t,n,n,r,i,a),this}ellipse(e,t,n,r,i,a,o,s){let c=this.currentPoint.x,l=this.currentPoint.y;return this.absellipse(e+c,t+l,n,r,i,a,o,s),this}absellipse(e,t,n,r,i,a,o,s){let c=new bs(e,t,n,r,i,a,o,s);if(this.curves.length>0){let 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t=e*u+l;if(i===`quaternion`)En.multiplyQuaternionsFlat(o.values,t,f,0,o.values,t);else{let e=u-l*2;for(let n=0;n<e;++n)o.values[t+n]-=f[n]}}}return e.blendMode=ot,e}var wl=class{static convertArray(e,t){return vl(e,t)}static isTypedArray(e){return Vt(e)}static getKeyframeOrder(e){return yl(e)}static sortedArray(e,t,n){return bl(e,t,n)}static flattenJSON(e,t,n,r){xl(e,t,n,r)}static subclip(e,t,n,r,i=30){return Sl(e,t,n,r,i)}static makeClipAdditive(e,t=0,n=e,r=30){return Cl(e,t,n,r)}},Tl=class{constructor(e,t,n,r){this.parameterPositions=e,this._cachedIndex=0,this.resultBuffer=r===void 0?new t.constructor(n):r,this.sampleValues=t,this.valueSize=n,this.settings=null,this.DefaultSettings_={}}evaluate(e){let t=this.parameterPositions,n=this._cachedIndex,r=t[n],i=t[n-1];validate_interval:{seek:{let a;linear_scan:{forward_scan:if(!(e<r)){for(let a=n+2;;){if(r===void 0){if(e<i)break forward_scan;return n=t.length,this._cachedIndex=n,this.copySampleValue_(n-1)}if(n===a)break;if(i=r,r=t[++n],e<r)break seek}a=t.length;break linear_scan}if(!(e>=i)){let o=t[1];e<o&&(n=2,i=o);for(let a=n-2;;){if(i===void 0)return this._cachedIndex=0,this.copySampleValue_(0);if(n===a)break;if(r=i,i=t[--n-1],e>=i)break seek}a=n,n=0;break linear_scan}break validate_interval}for(;n<a;){let r=n+a>>>1;e<t[r]?a=r:n=r+1}if(r=t[n],i=t[n-1],i===void 0)return this._cachedIndex=0,this.copySampleValue_(0);if(r===void 0)return n=t.length,this._cachedIndex=n,this.copySampleValue_(n-1)}this._cachedIndex=n,this.intervalChanged_(n,i,r)}return this.interpolate_(n,i,e,r)}getSettings_(){return this.settings||this.DefaultSettings_}copySampleValue_(e){let t=this.resultBuffer,n=this.sampleValues,r=this.valueSize,i=e*r;for(let e=0;e!==r;++e)t[e]=n[i+e];return t}interpolate_(){throw Error(`THREE.Interpolant: Call to abstract method.`)}intervalChanged_(){}},El=class extends Tl{constructor(e,t,n,r){super(e,t,n,r),this._weightPrev=-0,this._offsetPrev=-0,this._weightNext=-0,this._offsetNext=-0,this.DefaultSettings_={endingStart:nt,endingEnd:nt}}intervalChanged_(e,t,n){let r=this.parameterPositions,i=e-2,a=e+1,o=r[i],s=r[a];if(o===void 0)switch(this.getSettings_().endingStart){case rt:i=e,o=2*t-n;break;case it:i=r.length-2,o=t+r[i]-r[i+1];break;default:i=e,o=n}if(s===void 0)switch(this.getSettings_().endingEnd){case rt:a=e,s=2*n-t;break;case it:a=1,s=n+r[1]-r[0];break;default:a=e-1,s=t}let c=(n-t)*.5,l=this.valueSize;this._weightPrev=c/(t-o),this._weightNext=c/(s-n),this._offsetPrev=i*l,this._offsetNext=a*l}interpolate_(e,t,n,r){let i=this.resultBuffer,a=this.sampleValues,o=this.valueSize,s=e*o,c=s-o,l=this._offsetPrev,u=this._offsetNext,d=this._weightPrev,f=this._weightNext,p=(n-t)/(r-t),m=p*p,h=m*p,g=-d*h+2*d*m-d*p,_=(1+d)*h+(-1.5-2*d)*m+(-.5+d)*p+1,v=(-1-f)*h+(1.5+f)*m+.5*p,y=f*h-f*m;for(let e=0;e!==o;++e)i[e]=g*a[l+e]+_*a[c+e]+v*a[s+e]+y*a[u+e];return i}},Dl=class extends Tl{constructor(e,t,n,r){super(e,t,n,r)}interpolate_(e,t,n,r){let i=this.resultBuffer,a=this.sampleValues,o=this.valueSize,s=e*o,c=s-o,l=(n-t)/(r-t),u=1-l;for(let e=0;e!==o;++e)i[e]=a[c+e]*u+a[s+e]*l;return i}},Ol=class extends Tl{constructor(e,t,n,r){super(e,t,n,r)}interpolate_(e){return this.copySampleValue_(e-1)}},kl=class extends Tl{interpolate_(e,t,n,r){let i=this.resultBuffer,a=this.sampleValues,o=this.valueSize,s=e*o,c=s-o,l=this.inTangents,u=this.outTangents;if(!l||!u){let e=(n-t)/(r-t),l=1-e;for(let t=0;t!==o;++t)i[t]=a[c+t]*l+a[s+t]*e;return i}let d=o*2,f=e-1;for(let p=0;p!==o;

5++p){let o=a[c+p],m=a[s+p],h=f*d+p*2,g=u[h],_=u[h+1],v=e*d+p*2,y=l[v],b=l[v+1],x=(n-t)/(r-t),S,C,w,T,E;for(let e=0;e<8;e++){S=x*x,C=S*x,w=1-x,T=w*w,E=T*w;let e=E*t+3*T*x*g+3*w*S*y+C*r-n;if(Math.abs(e)<1e-10)break;let i=3*T*(g-t)+6*w*x*(y-g)+3*S*(r-y);if(Math.abs(i)<1e-10)break;x-=e/i,x=Math.max(0,Math.min(1,x))}i[p]=E*o+3*T*x*_+3*w*S*b+C*m}return i}},Al=class{constructor(e,t,n,r){if(e===void 0)throw Error(`THREE.KeyframeTrack: track name is undefined`);if(t===void 0||t.length===0)throw Error(`THREE.KeyframeTrack: no keyframes in track named `+e);this.name=e,this.times=vl(t,this.TimeBufferType),this.values=vl(n,this.ValueBufferType),this.setInterpolation(r||this.DefaultInterpolation)}static toJSON(e){let t=e.constructor,n;if(t.toJSON!==this.toJSON)n=t.toJSON(e);else{n={name:e.name,times:vl(e.times,Array),values:vl(e.values,Array)};let t=e.getInterpolation();t!==e.DefaultInterpolation&&(n.interpolation=t)}return n.type=e.ValueTypeName,n}InterpolantFactoryMethodDiscrete(e){return new Ol(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodLinear(e){return new Dl(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodSmooth(e){return new El(this.times,this.values,this.getValueSize(),e)}InterpolantFactoryMethodBezier(e){let t=new kl(this.times,this.values,this.getValueSize(),e);return this.settings&&(t.inTangents=this.settings.inTangents,t.outTangents=this.settings.outTangents),t}setInterpolation(e){let t;switch(e){case Qe:t=this.InterpolantFactoryMethodDiscrete;break;case $e:t=this.InterpolantFactoryMethodLinear;break;case et:t=this.InterpolantFactoryMethodSmooth;break;case tt:t=this.InterpolantFactoryMethodBezier}if(t===void 0){let t=`unsupported interpolation for `+this.ValueTypeName+` keyframe track named `+this.name;if(this.createInterpolant===void 0)if(e!==this.DefaultInterpolation)this.setInterpolation(this.DefaultInterpolation);else throw Error(t);return L(`KeyframeTrack:`,t),this}return this.createInterpolant=t,this}getInterpolation(){switch(this.createInterpolant){case this.InterpolantFactoryMethodDiscrete:return Qe;case this.InterpolantFactoryMethodLinear:return $e;case this.InterpolantFactoryMethodSmooth:return et;case this.InterpolantFactoryMethodBezier:return tt}}getValueSize(){return this.values.length/this.times.length}shift(e){if(e!==0){let t=this.times;for(let n=0,r=t.length;n!==r;++n)t[n]+=e}return this}scale(e){if(e!==1){let t=this.times;for(let n=0,r=t.length;n!==r;++n)t[n]*=e}return this}trim(e,t){let n=this.times,r=n.length,i=0,a=r-1;for(;i!==r&&n[i]<e;)++i;for(;a!==-1&&n[a]>t;)--a;if(++a,i!==0||a!==r){i>=a&&(a=Math.max(a,1),i=a-1);let e=this.getValueSize();this.times=n.slice(i,a),this.values=this.values.slice(i*e,a*e)}return this}validate(){let e=!0,t=this.getValueSize();t-Math.floor(t)!==0&&(R(`KeyframeTrack: Invalid value size in track.`,this),e=!1);let n=this.times,r=this.values,i=n.length;i===0&&(R(`KeyframeTrack: Track is empty.`,this),e=!1);let a=null;for(let t=0;t!==i;t++){let r=n[t];if(typeof r==`number`&&isNaN(r)){R(`KeyframeTrack: Time is not a valid number.`,this,t,r),e=!1;break}if(a!==null&&a>r){R(`KeyframeTrack: Out of order keys.`,this,t,r,a),e=!1;break}a=r}if(r!==void 0&&Vt(r))for(let t=0,n=r.length;t!==n;++t){let n=r[t];if(isNaN(n)){R(`KeyframeTrack: Value is not a valid number.`,this,t,n),e=!1;break}}return e}optimize(){let e=this.times.slice(),t=this.values.slice(),n=this.getValueSize(),r=this.getInterpolation()===et,i=e.length-1,a=1;for(let o=1;o<i;++o){let i=!1,s=e[o];if(s!==e[o+1]&&(o!==1||s!==e[0]))if(r)i=!0;else{let e=o*n,r=e-n,a=e+n;for(let o=0;o!==n;++o){let n=t[e+o];if(n!==t[r+o]||n!==t[a+o]){i=!0;break}}}if(i){if(o!==a){e[a]=e[o];let r=o*n,i=a*n;for(let e=0;e!==n;++e)t[i+e]=t[r+e]}++a}}if(i>0){e[a]=e[i];for(let e=i*n,r=a*n,o=0;o!==n;++o)t[r+o]=t[e+o];++a}return a===e.length?(this.times=e,this.values=t):(this.times=e.slice(0,a),this.values=t.slice(0,a*n)),this}clone(){let e=this.times.slice(),t=this.values.slice(),n=this.constructor,r=new n(this.name,e,t);return r.createInterpolant=this.createInterpolant,r}};Al.prototype.ValueTypeName=``,Al.prototype.TimeBufferType=Float32Array,Al.prototype.ValueBufferType=Float32Array,Al.prototype.DefaultInterpolation=$e;var jl=class extends Al{constructor(e,t,n){super(e,t,n)}};jl.prototype.ValueTypeName=`bool`,jl.prototype.ValueBufferType=Array,jl.prototype.DefaultInterpolation=Qe,jl.prototype.InterpolantFactoryMethodLinear=void 0,jl.prototype.InterpolantFactoryMethodSmooth=void 0;var Ml=class extends Al{constructor(e,t,n,r){super(e,t,n,r)}};Ml.prototype.ValueTypeName=`color`;var Nl=class extends Al{constructor(e,t,n,r){super(e,t,n,r)}};Nl.prototype.ValueTypeName=`number`;var Pl=class extends Tl{constructor(e,t,n,r){super(e,t,n,r)}interpolate_(e,t,n,r){let i=this.resultBuffer,a=this.sampleValues,o=this.valueSize,s=(n-t)/(r-t),c=e*o;for(let e=c+o;c!==e;

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i.uuid=e.uuid,i.userData=JSON.parse(e.userData||`{}`),i}static toJSON(e){let t=[],n=e.tracks,r={name:e.name,duration:e.duration,tracks:t,uuid:e.uuid,blendMode:e.blendMode,userData:JSON.stringify(e.userData)};for(let e=0,r=n.length;e!==r;++e)t.push(Al.toJSON(n[e]));return r}static CreateFromMorphTargetSequence(e,t,n,r){let i=t.length,a=[];for(let e=0;e<i;e++){let o=[],s=[];o.push((e+i-1)%i,e,(e+1)%i),s.push(0,1,0);let c=yl(o);o=bl(o,1,c),s=bl(s,1,c),!r&&o[0]===0&&(o.push(i),s.push(s[0])),a.push(new Nl(`.morphTargetInfluences[`+t[e].name+`]`,o,s).scale(1/n))}return new this(e,-1,a)}static findByName(e,t){let n=e;if(!Array.isArray(e)){let t=e;n=t.geometry&&t.geometry.animations||t.animations}for(let e=0;e<n.length;e++)if(n[e].name===t)return n[e];return null}static CreateClipsFromMorphTargetSequences(e,t,n){let r={},i=/^([\w-]*?)([\d]+)$/;for(let t=0,n=e.length;t<n;t++){let n=e[t],a=n.name.match(i);if(a&&a.length>1){let e=a[1],t=r[e];t||(r[e]=t=[]),t.push(n)}}let a=[];for(let e in 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t.object.color=this.color.getHex(),t.object.intensity=this.intensity,t}},nu=class extends tu{constructor(e,t,n){super(e,n),this.isHemisphereLight=!0,this.type=`HemisphereLight`,this.position.copy(Sr.DEFAULT_UP),this.updateMatrix(),this.groundColor=new K(t)}copy(e,t){return super.copy(e,t),this.groundColor.copy(e.groundColor),this}toJSON(e){let t=super.toJSON(e);return t.object.groundColor=this.groundColor.getHex(),t}},ru=new G,iu=new H,au=new H,ou=class{constructor(e){this.camera=e,this.intensity=1,this.bias=0,this.biasNode=null,this.normalBias=0,this.radius=1,this.blurSamples=8,this.mapSize=new V(512,512),this.mapType=E,this.map=null,this.mapPass=null,this.matrix=new G,this.autoUpdate=!0,this.needsUpdate=!1,this._frustum=new ao,this._frameExtents=new V(1,1),this._viewportCount=1,this._viewports=[new Un(0,0,1,1)]}getViewportCount(){return this._viewportCount}getFrustum(){return this._frustum}updateMatrices(e){let t=this.camera,n=this.matrix;iu.setFromMatrixPosition(e.matrixWorld),t.position.copy(iu),au.setFromMatrixPosition(e.target.matrixWorld),t.lookAt(au),t.updateMatrixWorld(),ru.multiplyMatrices(t.projectionMatrix,t.matrixWorldInverse),this._frustum.setFromProjectionMatrix(ru,t.coordinateSystem,t.reversedDepth),t.coordinateSystem===2001||t.reversedDepth?n.set(.5,0,0,.5,0,.5,0,.5,0,0,1,0,0,0,0,1):n.set(.5,0,0,.5,0,.5,0,.5,0,0,.5,.5,0,0,0,1),n.multiply(ru)}getViewport(e){return this._viewports[e]}getFrameExtents(){return this._frameExtents}dispose(){this.map&&this.map.dispose(),this.mapPass&&this.mapPass.dispose()}copy(e){return this.camera=e.camera.clone(),this.intensity=e.intensity,this.bias=e.bias,this.radius=e.radius,this.autoUpdate=e.autoUpdate,this.needsUpdate=e.needsUpdate,this.normalBias=e.normalBias,this.blurSamples=e.blurSamples,this.mapSize.copy(e.mapSize),this.biasNode=e.biasNode,this}clone(){return new this.constructor().copy(this)}toJSON(){let e={};return this.intensity!==1&&(e.intensity=this.intensity),this.bias!==0&&(e.bias=this.bias),this.normalBias!==0&&(e.normalBias=this.normalBias),this.radius!==1&&(e.radius=this.radius),(this.mapSize.x!==512||this.mapSize.y!==512)&&(e.mapSize=this.mapSize.toArray()),e.camera=this.camera.toJSON(!1).object,delete e.camera.matrix,e}},su=new H,cu=new En,lu=new H,uu=class extends Sr{constructor(){super(),this.isCamera=!0,this.type=`Camera`,this.matrixWorldInverse=new G,this.projectionMatrix=new G,this.projectionMatrixInverse=new G,this.coordinateSystem=Mt,this._reversedDepth=!1}get reversedDepth(){return this._reversedDepth}copy(e,t){return super.copy(e,t),this.matrixWorldInverse.copy(e.matrixWorldInverse),this.projectionMatrix.copy(e.projectionMatrix),this.projectionMatrixInverse.copy(e.projectionMatrixInverse),this.coordinateSystem=e.coordinateSystem,this}getWorldDirection(e){return super.getWorldDirection(e).negate()}updateMatrixWorld(e){super.updateMatrixWorld(e),this.matrixWorld.decompose(su,cu,lu),lu.x===1&&lu.y===1&&lu.z===1?this.matrixWorldInverse.copy(this.matrixWorld).invert():this.matrixWorldInverse.compose(su,cu,lu.set(1,1,1)).invert()}updateWorldMatrix(e,t,n=!1){super.updateWorldMatrix(e,t,n),this.matrixWorld.decompose(su,cu,lu),lu.x===1&&lu.y===1&&lu.z===1?this.matrixWorldInverse.copy(this.matrixWorld).invert():this.matrixWorldInverse.compose(su,cu,lu.set(1,1,1)).invert()}clone(){return new this.constructor().copy(this)}},du=new H,fu=new V,pu=new V,mu=class extends uu{constructor(e=50,t=1,n=.1,r=2e3){super(),this.isPerspectiveCamera=!0,this.type=`PerspectiveCamera`,this.fov=e,this.zoom=1,this.near=n,this.far=r,this.focus=10,this.aspect=t,this.view=null,this.filmGauge=35,this.filmOffset=0,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.fov=e.fov,this.zoom=e.zoom,this.near=e.near,this.far=e.far,this.focus=e.focus,this.aspect=e.aspect,this.view=e.view===null?null:Object.assign({},e.view),this.filmGauge=e.filmGauge,this.filmOffset=e.filmOffset,this}setFocalLength(e){let t=.5*this.getFilmHeight()/e;this.fov=rn*2*Math.atan(t),this.updateProjectionMatrix()}getFocalLength(){let e=Math.tan(nn*.5*this.fov);return .5*this.getFilmHeight()/e}getEffectiveFOV(){return rn*2*Math.atan(Math.tan(nn*.5*this.fov)/this.zoom)}getFilmWidth(){return this.filmGauge*Math.min(this.aspect,1)}getFilmHeight(){return this.filmGauge/Math.max(this.aspect,1)}getViewBounds(e,t,n){du.set(-1,-1,.5).applyMatrix4(this.projectionMatrixInverse),t.set(du.x,du.y).multiplyScalar(-e/du.z),du.set(1,1,.5).applyMatrix4(this.projectionMatrixInverse),n.set(du.x,du.y).multiplyScalar(-e/du.z)}getViewSize(e,t){return this.getViewBounds(e,fu,pu),t.subVectors(pu,fu)}setViewOffset(e,t,n,r,i,a){this.aspect=e/t,this.view===null&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=r,this.view.width=i,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){let e=this.near,t=e*Math.tan(nn*.5*this.fov)/this.zoom,n=2*t,r=this.aspect*n,i=-.5*r,a=this.view;if(this.view!==null&&this.view.enabled){let e=a.fullWidth,o=a.fullHeight;i+=a.offsetX*r/e,t-=a.offsetY*n/o,r*=a.width/e,n*=a.height/o}let o=this.filmOffset;o!==0&&(i+=e*o/this.getFilmWidth()),this.projectionMatrix.makePerspective(i,i+r,t,t-n,e,this.far,this.coordinateSystem,this.reversedDepth),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){let 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}},hu=class extends ou{constructor(){super(new mu(50,1,.5,500)),this.isSpotLightShadow=!0,this.focus=1,this.aspect=1}updateMatrices(e){let t=this.camera,n=rn*2*e.angle*this.focus,r=this.mapSize.width/this.mapSize.height*this.aspect,i=e.distance||t.far;(n!==t.fov||r!==t.aspect||i!==t.far)&&(t.fov=n,t.aspect=r,t.far=i,t.updateProjectionMatrix()),super.updateMatrices(e)}copy(e){return super.copy(e),this.focus=e.focus,this}},gu=class extends tu{constructor(e,t,n=0,r=Math.PI/3,i=0,a=2){super(e,t),this.isSpotLight=!0,this.type=`SpotLight`,this.position.copy(Sr.DEFAULT_UP),this.updateMatrix(),this.target=new Sr,this.distance=n,this.angle=r,this.penumbra=i,this.decay=a,this.map=null,this.shadow=new hu}get power(){return this.intensity*Math.PI}set power(e){this.intensity=e/Math.PI}dispose(){super.dispose(),this.shadow.dispose()}copy(e,t){return super.copy(e,t),this.distance=e.distance,this.angle=e.angle,this.penumbra=e.penumbra,this.decay=e.decay,this.target=e.target.clone(),this.map=e.map,this.shadow=e.shadow.clone(),this}toJSON(e){let t=super.toJSON(e);return t.object.distance=this.distance,t.object.angle=this.angle,t.object.decay=this.decay,t.object.penumbra=this.penumbra,t.object.target=this.target.uuid,this.map&&this.map.isTexture&&(t.object.map=this.map.toJSON(e).uuid),t.object.shadow=this.shadow.toJSON(),t}},_u=class extends ou{constructor(){super(new mu(90,1,.5,500)),this.isPointLightShadow=!0}},vu=class extends tu{constructor(e,t,n=0,r=2){super(e,t),this.isPointLight=!0,this.type=`PointLight`,this.distance=n,this.decay=r,this.shadow=new _u}get power(){return this.intensity*4*Math.PI}set power(e){this.intensity=e/(4*Math.PI)}dispose(){super.dispose(),this.shadow.dispose()}copy(e,t){return super.copy(e,t),this.distance=e.distance,this.decay=e.decay,this.shadow=e.shadow.clone(),this}toJSON(e){let t=super.toJSON(e);return t.object.distance=this.distance,t.object.decay=this.decay,t.object.shadow=this.shadow.toJSON(),t}},yu=class extends uu{constructor(e=-1,t=1,n=1,r=-1,i=.1,a=2e3){super(),this.isOrthographicCamera=!0,this.type=`OrthographicCamera`,this.zoom=1,this.view=null,this.left=e,this.right=t,this.top=n,this.bottom=r,this.near=i,this.far=a,this.updateProjectionMatrix()}copy(e,t){return super.copy(e,t),this.left=e.left,this.right=e.right,this.top=e.top,this.bottom=e.bottom,this.near=e.near,this.far=e.far,this.zoom=e.zoom,this.view=e.view===null?null:Object.assign({},e.view),this}setViewOffset(e,t,n,r,i,a){this.view===null&&(this.view={enabled:!0,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1}),this.view.enabled=!0,this.view.fullWidth=e,this.view.fullHeight=t,this.view.offsetX=n,this.view.offsetY=r,this.view.width=i,this.view.height=a,this.updateProjectionMatrix()}clearViewOffset(){this.view!==null&&(this.view.enabled=!1),this.updateProjectionMatrix()}updateProjectionMatrix(){let e=(this.right-this.left)/(2*this.zoom),t=(this.top-this.bottom)/(2*this.zoom),n=(this.right+this.left)/2,r=(this.top+this.bottom)/2,i=n-e,a=n+e,o=r+t,s=r-t;if(this.view!==null&&this.view.enabled){let e=(this.right-this.left)/this.view.fullWidth/this.zoom,t=(this.top-this.bottom)/this.view.fullHeight/this.zoom;i+=e*this.view.offsetX,a=i+e*this.view.width,o-=t*this.view.offsetY,s=o-t*this.view.height}

5this.projectionMatrix.makeOrthographic(i,a,o,s,this.near,this.far,this.coordinateSystem,this.reversedDepth),this.projectionMatrixInverse.copy(this.projectionMatrix).invert()}toJSON(e){let t=super.toJSON(e);return t.object.zoom=this.zoom,t.object.left=this.left,t.object.right=this.right,t.object.top=this.top,t.object.bottom=this.bottom,t.object.near=this.near,t.object.far=this.far,this.view!==null&&(t.object.view=Object.assign({},this.view)),t}},bu=class extends ou{constructor(){super(new yu(-5,5,5,-5,.5,500)),this.isDirectionalLightShadow=!0}},xu=class extends tu{constructor(e,t){super(e,t),this.isDirectionalLight=!0,this.type=`DirectionalLight`,this.position.copy(Sr.DEFAULT_UP),this.updateMatrix(),this.target=new Sr,this.shadow=new bu}dispose(){super.dispose(),this.shadow.dispose()}copy(e){return super.copy(e),this.target=e.target.clone(),this.shadow=e.shadow.clone(),this}toJSON(e){let t=super.toJSON(e);return t.object.shadow=this.shadow.toJSON(),t.object.target=this.target.uuid,t}},Su=class extends tu{constructor(e,t){super(e,t),this.isAmbientLight=!0,this.type=`AmbientLight`}},Cu=class extends tu{constructor(e,t,n=10,r=10){super(e,t),this.isRectAreaLight=!0,this.type=`RectAreaLight`,this.width=n,this.height=r}get power(){return this.intensity*this.width*this.height*Math.PI}set power(e){this.intensity=e/(this.width*this.height*Math.PI)}copy(e){return super.copy(e),this.width=e.width,this.height=e.height,this}toJSON(e){let t=super.toJSON(e);return t.object.width=this.width,t.object.height=this.height,t}},wu=class{constructor(){this.isSphericalHarmonics3=!0,this.coefficients=[];for(let e=0;e<9;e++)this.coefficients.push(new H)}set(e){for(let t=0;t<9;t++)this.coefficients[t].copy(e[t]);return this}zero(){for(let e=0;e<9;e++)this.coefficients[e].set(0,0,0);return this}getAt(e,t){let n=e.x,r=e.y,i=e.z,a=this.coefficients;return t.copy(a[0]).multiplyScalar(.282095),t.addScaledVector(a[1],.488603*r),t.addScaledVector(a[2],.488603*i),t.addScaledVector(a[3],.488603*n),t.addScaledVector(a[4],n*r*1.092548),t.addScaledVector(a[5],r*i*1.092548),t.addScaledVector(a[6],.315392*(3*i*i-1)),t.addScaledVector(a[7],n*i*1.092548),t.addScaledVector(a[8],.546274*(n*n-r*r)),t}getIrradianceAt(e,t){let n=e.x,r=e.y,i=e.z,a=this.coefficients;return t.copy(a[0]).multiplyScalar(.886227),t.addScaledVector(a[1],1.023328*r),t.addScaledVector(a[2],1.023328*i),t.addScaledVector(a[3],1.023328*n),t.addScaledVector(a[4],.858086*n*r),t.addScaledVector(a[5],.858086*r*i),t.addScaledVector(a[6],.743125*i*i-.247708),t.addScaledVector(a[7],.858086*n*i),t.addScaledVector(a[8],.429043*(n*n-r*r)),t}add(e){for(let t=0;t<9;t++)this.coefficients[t].add(e.coefficients[t]);return this}addScaledSH(e,t){for(let n=0;n<9;n++)this.coefficients[n].addScaledVector(e.coefficients[n],t);return this}scale(e){for(let t=0;t<9;t++)this.coefficients[t].multiplyScalar(e);return this}lerp(e,t){for(let n=0;n<9;n++)this.coefficients[n].lerp(e.coefficients[n],t);return this}equals(e){for(let t=0;t<9;t++)if(!this.coefficients[t].equals(e.coefficients[t]))return!1;return!0}copy(e){return this.set(e.coefficients)}clone(){return new this.constructor().copy(this)}fromArray(e,t=0){let n=this.coefficients;for(let r=0;r<9;r++)n[r].fromArray(e,t+r*3);return this}toArray(e=[],t=0){let n=this.coefficients;for(let r=0;r<9;r++)n[r].toArray(e,t+r*3);return e}static getBasisAt(e,t){let n=e.x,r=e.y,i=e.z;t[0]=.282095,t[1]=.488603*r,t[2]=.488603*i,t[3]=.488603*n,t[4]=1.092548*n*r,t[5]=1.092548*r*i,t[6]=.315392*(3*i*i-1),t[7]=1.092548*n*i,t[8]=.546274*(n*n-r*r)}},Tu=class extends tu{constructor(e=new wu,t=1){super(void 0,t),this.isLightProbe=!0,this.sh=e}copy(e){return super.copy(e),this.sh.copy(e.sh),this}toJSON(e){let t=super.toJSON(e);return t.object.sh=this.sh.toArray(),t}},Eu={},Du=class e extends Wl{constructor(e){super(e),this.textures={}}load(e,t,n,r){let i=this,a=new ql(i.manager);a.setPath(i.path),a.setRequestHeader(i.requestHeader),a.setWithCredentials(i.withCredentials),a.load(e,function(n){try{t(i.parse(JSON.parse(n)))}catch(t){r?r(t):R(t),i.manager.itemError(e)}},n,r)}parse(e){let t=this.createMaterialFromType(e.type);return t.fromJSON(e,this.textures),t}setTextures(e){return this.textures=e,this}createMaterialFromType(t){return e.createMaterialFromType(t)}static createMaterialFromType(e){let t={ShadowMaterial:Zc,SpriteMaterial:Hi,RawShaderMaterial:sl,ShaderMaterial:ol,PointsMaterial:Ho,MeshPhysicalMaterial:ll,MeshStandardMaterial:cl,MeshPhongMaterial:ul,MeshToonMaterial:dl,MeshNormalMaterial:fl,MeshLambertMaterial:pl,MeshDepthMaterial:ml,MeshDistanceMaterial:hl,MeshBasicMaterial:ha,MeshMatcapMaterial:gl,LineDashedMaterial:_l,LineBasicMaterial:Oo,Material:Vi,...Eu}[e],n;return t===void 0?(Xt(`MaterialLoader: Unknown material type "${e}". Use .registerMaterial() before starting the deserialization process.`),n=new Vi):n=new t,n}static registerMaterial(e,t){Eu[e]=t}},Ou=class{static extractUrlBase(e){let t=e.lastIndexOf(`/`);return t===-1?`./`:e.slice(0,t+1)}static resolveURL(e,t){return typeof e!=`string`||e===``?``:(/^https?:\/\//i.test(t)&&/^\//.test(e)&&(t=t.replace(/(^https?:\/\/[^\/]+).*/i,`$1`)),/^(https?:)?\/\//i.test(e)||/^data:.*,.*$/i.test(e)||/^blob:.*$/i.test(e)?e:t+e)}},ku=class extends J{constructor(){super(),this.isInstancedBufferGeometry=!0,this.type=`InstancedBufferGeometry`,this.instanceCount=1/0}copy(e){return super.copy(e),this.instanceCount=e.instanceCount,this}toJSON(){let e=super.toJSON();return e.instanceCount=this.instanceCount,e.isInstancedBufferGeometry=!0,e}},Au=class extends Wl{constructor(e){super(e)}load(e,t,n,r){let i=this,a=new ql(i.manager);a.setPath(i.path),a.setRequestHeader(i.requestHeader),a.setWithCredentials(i.withCredentials),a.load(e,function(n){try{t(i.parse(JSON.parse(n)))}catch(t){r?r(t):R(t),i.manager.itemError(e)}},n,r)}parse(e){let t={},n={};function r(e,n){if(t[n]!==void 0)return t[n];let r=e.interleavedBuffers[n],a=i(e,r.buffer),o=new Li(Bt(r.type,a),r.stride);return o.uuid=r.uuid,t[n]=o,o}function i(e,t){if(n[t]!==void 0)return n[t];let r=e.arrayBuffers[t],i=new Uint32Array(r).buffer;return n[t]=i,i}let a=e.isInstancedBufferGeometry?new ku:new J,o=e.data.index;if(o!==void 0){let e=Bt(o.type,o.array);a.setIndex(new _i(e,1))}let s=e.data.attributes;for(let t in s){let n=s[t],i;if(n.isInterleavedBufferAttribute)i=new zi(r(e.data,n.data),n.itemSize,n.offset,n.normalized);else{let e=Bt(n.type,n.array);i=new(n.isInstancedBufferAttribute?Ua:_i)(e,n.itemSize,n.normalized)}n.name!==void 0&&(i.name=n.name),n.usage!==void 0&&i.setUsage(n.usage),a.setAttribute(t,i)}let c=e.data.morphAttributes;if(c)for(let t in c){let n=c[t],i=[];for(let t=0,a=n.length;t<a;t++){let a=n[t],o;o=a.isInterleavedBufferAttribute?new zi(r(e.data,a.data),a.itemSize,a.offset,a.normalized):new _i(Bt(a.type,a.array),a.itemSize,a.normalized),a.name!==void 0&&(o.name=a.name),i.push(o)}a.morphAttributes[t]=i}e.data.morphTargetsRelative&&(a.morphTargetsRelative=!0);let l=e.data.groups||e.data.drawcalls||e.data.offsets;if(l!==void 0)for(let e=0,t=l.length;e!==t;++e){let t=l[e];a.addGroup(t.start,t.count,t.materialIndex)}let u=e.data.boundingSphere;return u!==void 0&&(a.boundingSphere=new ki().fromJSON(u)),e.name&&(a.name=e.name),e.userData&&(a.userData=e.userData),a}},ju={},Mu=class extends Wl{constructor(e){super(e)}load(e,t,n,r){let i=this,a=this.path===``?Ou.extractUrlBase(e):this.path;this.resourcePath=this.resourcePath||a;let o=new ql(this.manager);o.setPath(this.path),o.setRequestHeader(this.requestHeader),o.setWithCredentials(this.withCredentials),o.load(e,function(n){let a=null;try{a=JSON.parse(n)}catch(t){r!==void 0&&r(t),R(`ObjectLoader: Can't parse `+e+`.`,t.message);return}let o=a.metadata;if(o===void 0||o.type===void 0||o.type.toLowerCase()===`geometry`){r!==void 0&&r(Error(`THREE.ObjectLoader: Can't load `+e)),R(`ObjectLoader: Can't load `+e);return}i.parse(a,t)},n,r)}async loadAsync(e,t){let n=this,r=this.path===``?Ou.extractUrlBase(e):this.path;this.resourcePath=this.resourcePath||r;let i=new ql(this.manager);i.setPath(this.path),i.setRequestHeader(this.requestHeader),i.setWithCredentials(this.withCredentials);let a=await i.loadAsync(e,t),o;try{o=JSON.parse(a)}catch(t){throw Error(`THREE.ObjectLoader: Can't parse `+e+`. `+t.message)}let s=o.metadata;if(s===void 0||s.type===void 0||s.type.toLowerCase()===`geometry`)throw Error(`THREE.ObjectLoader: Can't load `+e);return await n.parseAsync(o)}parse(e,t){let n=this.parseAnimations(e.animations),r=this.parseShapes(e.shapes),i=this.parseGeometries(e.geometries,r),a=this.parseImages(e.images,function(){t!==void 0&&t(c)}),o=this.parseTextures(e.textures,a),s=this.parseMaterials(e.materials,o),c=this.parseObject(e.object,i,s,o,n),l=this.parseSkeletons(e.skeletons,c);if(this.bindSkeletons(c,l),this.bindLightTargets(c),t!==void 0){let e=!1;for(let t in a)if(a[t].data instanceof HTMLImageElement){e=!0;break}e===!1&&t(c)}return c}async parseAsync(e){let t=this.parseAnimations(e.animations),n=this.parseShapes(e.shapes),r=this.parseGeometries(e.geometries,n),i=await this.parseImagesAsync(e.images),a=this.parseTextures(e.textures,i),o=this.parseMaterials(e.materials,a),s=this.parseObject(e.object,r,o,a,t),c=this.parseSkeletons(e.skeletons,s);return this.bindSkeletons(s,c),this.bindLightTargets(s),s}static registerGeometry(e,t){ju[e]=t}parseShapes(e){let t={};if(e!==void 0)for(let n=0,r=e.length;n<r;n++){let r=new Ys().fromJSON(e[n]);t[r.uuid]=r}return t}parseSkeletons(e,t){let n={},r={};if(t.traverse(function(e){e.isBone&&(r[e.uuid]=e)}),e!==void 0)for(let t=0,i=e.length;t<i;t++){let i=new X().fromJSON(e[t],r);n[i.uuid]=i}return n}parseGeometries(e,t){let n={};if(e!==void 0){let r=new Au;for(let i=0,a=e.length;i<a;i++){let a,o=e[i];switch(o.type){case`BufferGeometry`:case`InstancedBufferGeometry`:a=r.parse(o);break;default:o.type in Xc?a=Xc[o.type].fromJSON(o,t):o.type in ju?a=ju[o.type].fromJSON(o,t):L(`ObjectLoader: Unknown geometry type "${o.type}". Use .registerGeometry() before starting the deserialization process.`)}a.uuid=o.uuid,o.name!==void 0&&(a.name=o.name),o.userData!==void 0&&(a.userData=o.userData),n[o.uuid]=a}}return n}parseMaterials(e,t){let n={},r={};if(e!==void 0){let i=new Du;i.setTextures(t);for(let t=0,a=e.length;t<a;t++){let a=e[t];n[a.uuid]===void 0&&(n[a.uuid]=i.parse(a)),r[a.uuid]=n[a.uuid]}}return r}parseAnimations(e){let t={};if(e!==void 0)for(let n=0;n<e.length;n++){let r=e[n],i=Rl.parse(r);t[i.uuid]=i}return t}parseImages(e,t){let n=this,r={},i;function a(e){return e=n.manager.resolveURL(e),n.manager.itemStart(e),i.load(e,function(){n.manager.itemEnd(e)},void 0,function(){n.manager.itemError(e),n.manager.itemEnd(e)})}function o(e){if(typeof e==`string`){let t=e;return a(/^(\/\/)|([a-z]+:(\/\/)?)/i.test(t)?t:n.resourcePath+t)}return e.data?{data:Bt(e.type,e.data),width:e.width,height:e.height}:null}if(e!==void 0&&e.length>0){i=new Zl(new Hl(t)),i.setCrossOrigin(this.crossOrigin);for(let t=0,n=e.length;t<n;t++){let n=e[t],i=n.url;if(Array.isArray(i)){let e=[];for(let t=0,n=i.length;t<n;t++){let n=i[t],r=o(n);r!==null&&(r instanceof HTMLImageElement?e.push(r):e.push(new Ba(r.data,r.width,r.height)))}r[n.uuid]=new Rn(e)}else{let e=o(n.url);r[n.uuid]=new Rn(e)}}}return r}async parseImagesAsync(e){let t=this,n={},r;async function i(e){if(typeof e==`string`){let n=e,i=/^(\/\/)|([a-z]+:(\/\/)?)/i.test(n)?n:t.resourcePath+n;return await r.loadAsync(i)}return e.data?{data:Bt(e.type,e.data),width:e.width,height:e.height}:null}if(e!==void 0&&e.length>0){r=new Zl(this.manager),r.setCrossOrigin(this.crossOrigin);for(let t=0,r=e.length;t<r;t++){let r=e[t],a=r.url;if(Array.isArray(a)){let e=[];for(let t=0,n=a.length;t<n;t++){let n=a[t],r=await i(n);r!==null&&(r instanceof HTMLImageElement?e.push(r):e.push(new Ba(r.data,r.width,r.height)))}n[r.uuid]=new Rn(e)}else{let e=await i(r.url);n[r.uuid]=new Rn(e)}}}return n}parseTextures(e,t){function n(e,t){return typeof e==`number`?e:(L(`ObjectLoader.parseTexture: Constant should be in numeric form.`,e),t[e])}let r={};if(e!==void 0)for(let i=0,a=e.length;i<a;i++){let a=e[i];a.image===void 0&&L(`ObjectLoader: No "image" specified for`,a.uuid),t[a.image]===void 0&&L(`ObjectLoader: Undefined image`,a.image);let o=t[a.image],s=o.data,c;Array.isArray(s)?(c=new ts,s.length===6&&(c.needsUpdate=!0)):(c=s&&s.data?new Ba:new Hn,s&&(c.needsUpdate=!0)),c.source=o,c.uuid=a.uuid,a.name!==void 0&&(c.name=a.name),a.mapping!==void 0&&(c.mapping=n(a.mapping,Nu)),a.channel!==void 0&&(c.channel=a.channel),a.offset!==void 0&&c.offset.fromArray(a.offset),a.repeat!==void 0&&c.repeat.fromArray(a.repeat),a.center!==void 0&&c.center.fromArray(a.center),a.rotation!==void 0&&(c.rotation=a.rotation),a.wrap!==void 0&&(c.wrapS=n(a.wrap[0],Pu),c.wrapT=n(a.wrap[1],Pu)),a.format!==void 0&&(c.format=a.format),a.internalFormat!==void 0&&(c.internalFormat=a.internalFormat),a.type!==void 0&&(c.type=a.type),a.colorSpace!==void 0&&(c.colorSpace=a.colorSpace),a.minFilter!==void 0&&(c.minFilter=n(a.minFilter,Fu)),a.magFilter!==void 0&&(c.magFilter=n(a.magFilter,Fu)),a.anisotropy!==void 0&&(c.anisotropy=a.anisotropy),a.flipY!==void 0&&(c.flipY=a.flipY),a.generateMipmaps!==void 0&&(c.generateMipmaps=a.generateMipmaps),a.premultiplyAlpha!==void 0&&(c.premultiplyAlpha=a.premultiplyAlpha),a.unpackAlignment!==void 0&&(c.unpackAlignment=a.unpackAlignment),a.compareFunction!==void 0&&(c.compareFunction=a.compareFunction),a.normalized!==void 0&&(c.normalized=a.normalized),a.userData!==void 0&&(c.userData=a.userData),r[a.uuid]=c}return r}parseObject(e,t,n,r,i){let a;function o(e){return t[e]===void 0&&L(`ObjectLoader: Undefined geometry`,e),t[e]}function s(e){if(e!==void 0){if(Array.isArray(e)){let t=[];for(let r=0,i=e.length;r<i;r++){let i=e[r];n[i]===void 0&&L(`ObjectLoader: Undefined material`,i),t.push(n[i])}return t}return n[e]===void 0&&L(`ObjectLoader: Undefined material`,e),n[e]}}function c(e){return r[e]===void 0&&L(`ObjectLoader: Undefined texture`,e),r[e]}let l,u;switch(e.type){case`Scene`:a=new Nr,e.background!==void 0&&(Number.isInteger(e.background)?a.background=new K(e.background):a.background=c(e.background)),e.environment!==void 0&&(a.environment=c(e.environment)),e.fog!==void 0&&(e.fog.type===`Fog`?a.fog=new Mr(e.fog.color,e.fog.near,e.fog.far):e.fog.type===`FogExp2`&&(a.fog=new jr(e.fog.color,e.fog.density)),e.fog.name!==``&&(a.fog.name=e.fog.name)),e.backgroundBlurriness!==void 0&&(a.backgroundBlurriness=e.backgroundBlurriness),e.backgroundIntensity!==void 0&&(a.backgroundIntensity=e.backgroundIntensity),e.backgroundRotation!==void 0&&a.backgroundRotation.fromArray(e.backgroundRotation),e.environmentIntensity!==void 0&&(a.environmentIntensity=e.environmentIntensity),e.environmentRotation!==void 0&&a.environmentRotation.fromArray(e.environmentRotation);break;case`PerspectiveCamera`:a=new mu(e.fov,e.aspect,e.near,e.far),e.focus!==void 0&&(a.focus=e.focus),e.zoom!==void 0&&(a.zoom=e.zoom),e.filmGauge!==void 0&&(a.filmGauge=e.filmGauge),e.filmOffset!==void 0&&(a.filmOffset=e.filmOffset),e.view!==void 0&&(a.view=Object.assign({},e.view));break;case`OrthographicCamera`:a=new yu(e.left,e.right,e.top,e.bottom,e.near,e.far),e.zoom!==void 0&&(a.zoom=e.zoom),e.view!==void 0&&(a.view=Object.assign({},e.view));break;case`AmbientLight`:a=new Su(e.color,e.intensity);break;case`DirectionalLight`:a=new xu(e.color,e.intensity),a.target=e.target||``;break;case`PointLight`:a=new vu(e.color,e.intensity,e.distance,e.decay);break;case`RectAreaLight`:a=new Cu(e.color,e.intensity,e.width,e.height);break;case`SpotLight`:a=new gu(e.color,e.intensity,e.distance,e.angle,e.penumbra,e.decay),a.target=e.target||``;break;case`HemisphereLight`:a=new nu(e.color,e.groundColor,e.intensity);break;case`LightProbe`:a=new Tu(new wu().fromArray(e.sh),e.intensity);break;case`SkinnedMesh`:l=o(e.geometry),u=s(e.material),a=new Ra(l,u),e.bindMode!==void 0&&(a.bindMode=e.bindMode),e.bindMatrix!==void 0&&a.bindMatrix.fromArray(e.bindMatrix),e.skeleton!==void 0&&(a.skeleton=e.skeleton);break;case`Mesh`:l=o(e.geometry),u=s(e.material),a=new Ea(l,u);break;case`InstancedMesh`:l=o(e.geometry),u=s(e.material);let t=e.count,n=e.instanceMatrix,r=e.instanceColor;a=new Za(l,u,t),a.instanceMatrix=new Ua(new Float32Array(n.array),16),r!==void 0&&(a.instanceColor=new Ua(new Float32Array(r.array),r.itemSize));break;case`BatchedMesh`:l=o(e.geometry),u=s(e.material),a=new Do(e.maxInstanceCount,e.maxVertexCount,e.maxIndexCount,u),a.geometry=l,a.perObjectFrustumCulled=e.perObjectFrustumCulled,a.sortObjects=e.sortObjects,a._drawRanges=e.drawRanges,a._reservedRanges=e.reservedRanges,a._geometryInfo=e.geometryInfo.map(e=>{let t=null,n=null;return e.boundingBox!==void 0&&(t=new Jr().fromJSON(e.boundingBox)),e.boundingSphere!==void 0&&(n=new ki().fromJSON(e.boundingSphere)),{...e,boundingBox:t,boundingSphere:n}}),a._instanceInfo=e.instanceInfo,a._availableInstanceIds=e._availableInstanceIds,a._availableGeometryIds=e._availableGeometryIds,a._nextIndexStart=e.nextIndexStart,a._nextVertexStart=e.nextVertexStart,a._geometryCount=e.geometryCount,a._maxInstanceCount=e.maxInstanceCount,a._maxVertexCount=e.maxVertexCount,a._maxIndexCount=e.maxIndexCount,a._geometryInitialized=e.geometryInitialized,a._matricesTexture=c(e.matricesTexture.uuid),a._indirectTexture=c(e.indirectTexture.uuid),e.colorsTexture!==void 0&&(a._colorsTexture=c(e.colorsTexture.uuid)),e.boundingSphere!==void 0&&(a.boundingSphere=new ki().fromJSON(e.boundingSphere)),e.boundingBox!==void 0&&(a.boundingBox=new Jr().fromJSON(e.boundingBox));break;case`LOD`:a=new oa;break;case`Line`:a=new Io(o(e.geometry),s(e.material));break;case`LineLoop`:a=new Vo(o(e.geometry),s(e.material));break;case`LineSegments`:a=new Bo(o(e.geometry),s(e.material));break;case`PointCloud`:case`Points`:a=new qo(o(e.geometry),s(e.material));break;case`Sprite`:a=new na(s(e.material));break;case`Group`:a=new Cr;break;case`Bone`:a=new za;break;default:a=new Sr}if(a.uuid=e.uuid,e.name!==void 0&&(a.name=e.name),e.matrix===void 0?(e.position!==void 0&&a.position.fromArray(e.position),e.rotation!==void 0&&a.rotation.fromArray(e.rotation),e.quaternion!==void 0&&a.quaternion.fromArray(e.quaternion),e.scale!==void 0&&a.scale.fromArray(e.scale)):(a.matrix.fromArray(e.matrix),e.matrixAutoUpdate!==void 0&&(a.matrixAutoUpdate=e.matrixAutoUpdate),a.matrixAutoUpdate&&a.matrix.decompose(a.position,a.quaternion,a.scale)),e.up!==void 0&&a.up.fromArray(e.up),e.pivot!==void 0&&(a.pivot=new H().fromArray(e.pivot)),e.morphTargetDictionary!==void 0&&(a.morphTargetDictionary=Object.assign({},e.morphTargetDictionary)),e.morphTargetInfluences!==void 0&&(a.morphTargetInfluences=e.morphTargetInfluences.slice()),e.castShadow!==void 0&&(a.castShadow=e.castShadow),e.receiveShadow!==void 0&&(a.receiveShadow=e.receiveShadow),e.shadow&&(e.shadow.intensity!==void 0&&(a.shadow.intensity=e.shadow.intensity),e.shadow.bias!==void 0&&(a.shadow.bias=e.shadow.bias),e.shadow.normalBias!==void 0&&(a.shadow.normalBias=e.shadow.normalBias),e.shadow.radius!==void 0&&(a.shadow.radius=e.shadow.radius),e.shadow.mapSize!==void 0&&a.shadow.mapSize.fromArray(e.shadow.mapSize),e.shadow.camera!==void 0&&(a.shadow.camera=this.parseObject(e.shadow.camera))),e.visible!==void 0&&(a.visible=e.visible),e.frustumCulled!==void 0&&(a.frustumCulled=e.frustumCulled),e.renderOrder!==void 0&&(a.renderOrder=e.renderOrder),e.static!==void 0&&(a.static=e.static),e.userData!==void 0&&(a.userData=e.userData),e.layers!==void 0&&(a.layers.mask=e.layers),e.children!==void 0){let o=e.children;for(let e=0;e<o.length;e++)a.add(this.parseObject(o[e],t,n,r,i))}if(e.animations!==void 0){let t=e.animations;for(let e=0;e<t.length;e++){let n=t[e];a.animations.push(i[n])}}if(e.type===`LOD`){e.autoUpdate!==void 0&&(a.autoUpdate=e.autoUpdate);let t=e.levels;for(let e=0;e<t.length;e++){let n=t[e],r=a.getObjectByProperty(`uuid`,n.object);r!==void 0&&a.addLevel(r,n.distance,n.hysteresis)}}return a}bindSkeletons(e,t){Object.keys(t).length!==0&&e.traverse(function(e){if(e.isSkinnedMesh===!0&&e.skeleton!==void 0){let n=t[e.skeleton];n===void 0?L(`ObjectLoader: No skeleton found with UUID:`,e.skeleton):e.bind(n,e.bindMatrix)}})}bindLightTargets(e){e.traverse(function(t){if(t.isDirectionalLight||t.isSpotLight){let n=t.target,r=e.getObjectByProperty(`uuid`,n);t.target=r===void 0?new Sr:r}})}},Nu={UVMapping:300,CubeReflectionMapping:301,CubeRefractionMapping:302,EquirectangularReflectionMapping:303,EquirectangularRefractionMapping:304,CubeUVReflectionMapping:306},Pu={RepeatWrapping:p,ClampToEdgeWrapping:m,MirroredRepeatWrapping:h},Fu={NearestFilter:g,NearestMipmapNearestFilter:_,NearestMipmapLinearFilter:y,LinearFilter:x,LinearMipmapNearestFilter:S,LinearMipmapLinearFilter:w},Iu=new WeakMap,Lu=class extends Wl{constructor(e){super(e),this.isImageBitmapLoader=!0,typeof createImageBitmap>`u`&&L(`ImageBitmapLoader: createImageBitmap() not supported.`),typeof fetch>`u`&&L(`ImageBitmapLoader: fetch() not supported.`),this.options={premultiplyAlpha:`none`},this._abortController=new AbortController}setOptions(e){return this.options=e,this}load(e,t,n,r){e===void 0&&(e=``),this.path!==void 0&&(e=this.path+e),e=this.manager.resolveURL(e);let i=this,a=Bl.get(`image-bitmap:${e}`);if(a!==void 0){if(i.manager.itemStart(e),a.then){a.then(n=>{Iu.has(a)===!0?(r&&r(Iu.get(a)),i.manager.itemError(e),i.manager.itemEnd(e)):(t&&t(n),i.manager.itemEnd(e))});return}setTimeout(function(){t&&t(a),i.manager.itemEnd(e)},0);return}let o={};o.credentials=this.crossOrigin===`anonymous`?`same-origin`:`include`,o.headers=this.requestHeader,o.signal=typeof AbortSignal.any==`function`?AbortSignal.any([this._abortController.signal,this.manager.abortController.signal]):this._abortController.signal;let s=fetch(e,o).then(function(e){return e.blob()}).then(function(e){return createImageBitmap(e,Object.assign(i.options,{colorSpaceConversion:`none`}))}).then(function(n){Bl.add(`image-bitmap:${e}`,n),t&&t(n),i.manager.itemEnd(e)}).catch(function(t){r&&r(t),Iu.set(s,t),Bl.remove(`image-bitmap:${e}`),i.manager.itemError(e),i.manager.itemEnd(e)});Bl.add(`image-bitmap:${e}`,s),i.manager.itemStart(e)}abort(){return this._abortController.abort(),this._abortController=new AbortController,this}},Ru,zu=class{static getContext(){return Ru===void 0&&(Ru=new(window.AudioContext||window.webkitAudioContext)),Ru}static setContext(e){Ru=e}},Bu=class extends Wl{constructor(e){super(e)}load(e,t,n,r){let i=this,a=new ql(this.manager);a.setResponseType(`arraybuffer`),a.setPath(this.path),a.setRequestHeader(this.requestHeader),a.setWithCredentials(this.withCredentials),a.load(e,function(n){try{let r=n.slice(0),a=zu.getContext(),s=e+`#decode`;i.manager.itemStart(s),a.decodeAudioData(r,function(e){t(e),i.manager.itemEnd(s)}).catch(function(e){o(e),i.manager.itemEnd(s)})}catch(e){o(e)}},n,r);function o(t){r?r(t):R(t),i.manager.itemError(e)}}},Vu=new G,Hu=new G,Uu=new G,Wu=class{constructor(){this.type=`StereoCamera`,this.aspect=1,this.eyeSep=.064,this.cameraL=new mu,this.cameraL.layers.enable(1),this.cameraL.matrixAutoUpdate=!1,this.cameraR=new mu,this.cameraR.layers.enable(2),this.cameraR.matrixAutoUpdate=!1,this._cache={focus:null,fov:null,aspect:null,near:null,far:null,zoom:null,eyeSep:null}}update(e){let t=this._cache;if(t.focus!==e.focus||t.fov!==e.fov||t.aspect!==e.aspect*this.aspect||t.near!==e.near||t.far!==e.far||t.zoom!==e.zoom||t.eyeSep!==this.eyeSep){t.focus=e.focus,t.fov=e.fov,t.aspect=e.aspect*this.aspect,t.near=e.near,t.far=e.far,t.zoom=e.zoom,t.eyeSep=this.eyeSep,Uu.copy(e.projectionMatrix);let n=t.eyeSep/2,r=n*t.near/t.focus,i=t.near*Math.tan(nn*t.fov*.5)/t.zoom,a,o;Hu.elements[12]=-n,Vu.elements[12]=n,a=-i*t.aspect+r,o=i*t.aspect+r,Uu.elements[0]=2*t.near/(o-a),Uu.elements[8]=(o+a)/(o-a),this.cameraL.projectionMatrix.copy(Uu),a=-i*t.aspect-r,o=i*t.aspect-r,Uu.elements[0]=2*t.near/(o-a),Uu.elements[8]=(o+a)/(o-a),this.cameraR.projectionMatrix.copy(Uu)}this.cameraL.matrix.copy(e.matrixWorld).multiply(Hu),this.cameraL.matrixWorldNeedsUpdate=!0,this.cameraR.matrix.copy(e.matrixWorld).multiply(Vu),this.cameraR.matrixWorldNeedsUpdate=!0}},Gu=-90,Ku=1,qu=class extends Sr{constructor(e,t,n){super(),this.type=`CubeCamera`,this.renderTarget=n,this.coordinateSystem=null,this.activeMipmapLevel=0;let r=new mu(Gu,Ku,e,t);r.layers=this.layers,this.add(r);let i=new mu(Gu,Ku,e,t);i.layers=this.layers,this.add(i);let a=new mu(Gu,Ku,e,t);a.layers=this.layers,this.add(a);let o=new mu(Gu,Ku,e,t);o.layers=this.layers,this.add(o);let s=new mu(Gu,Ku,e,t);s.layers=this.layers,this.add(s);let c=new mu(Gu,Ku,e,t);c.layers=this.layers,this.add(c)}updateCoordinateSystem(){let e=this.coordinateSystem,t=this.children.concat(),[n,r,i,a,o,s]=t;for(let e of t)this.remove(e);

5);let t=this.context.listener;if(this.timeDelta=this._timer.getDelta(),this.matrixWorld.decompose(Zu,Qu,$u),ed.set(0,0,-1).applyQuaternion(Qu),td.set(0,1,0).applyQuaternion(Qu),t.positionX){let e=this.context.currentTime+this.timeDelta;t.positionX.linearRampToValueAtTime(Zu.x,e),t.positionY.linearRampToValueAtTime(Zu.y,e),t.positionZ.linearRampToValueAtTime(Zu.z,e),t.forwardX.linearRampToValueAtTime(ed.x,e),t.forwardY.linearRampToValueAtTime(ed.y,e),t.forwardZ.linearRampToValueAtTime(ed.z,e),t.upX.linearRampToValueAtTime(td.x,e),t.upY.linearRampToValueAtTime(td.y,e),t.upZ.linearRampToValueAtTime(td.z,e)}else t.setPosition(Zu.x,Zu.y,Zu.z),t.setOrientation(ed.x,ed.y,ed.z,td.x,td.y,td.z)}},rd=class extends Sr{constructor(e){super(),this.type=`Audio`,this.listener=e,this.context=e.context,this.gain=this.context.createGain(),this.gain.connect(e.getInput()),this.autoplay=!1,this.buffer=null,this.detune=0,this.loop=!1,this.loopStart=0,this.loopEnd=0,this.offset=0,this.duration=void 0,this.playbackRate=1,this.isPlaying=!1,this.hasPlaybackControl=!0,this.source=null,this.sourceType=`empty`,this._startedAt=0,this._progress=0,this._connected=!1,this.filters=[]}getOutput(){return this.gain}setNodeSource(e){return this.hasPlaybackControl=!1,this.sourceType=`audioNode`,this.source=e,this.connect(),this}setMediaElementSource(e){return this.hasPlaybackControl=!1,this.sourceType=`mediaNode`,this.source=this.context.createMediaElementSource(e),this.connect(),this}setMediaStreamSource(e){return this.hasPlaybackControl=!1,this.sourceType=`mediaStreamNode`,this.source=this.context.createMediaStreamSource(e),this.connect(),this}setBuffer(e){return this.buffer=e,this.sourceType=`buffer`,this.autoplay&&this.play(),this}play(e=0){if(this.isPlaying===!0){L(`Audio: Audio is already playing.`);return}if(this.hasPlaybackControl===!1){L(`Audio: this Audio has no playback control.`);return}this._startedAt=this.context.currentTime+e;let t=this.context.createBufferSource();return t.buffer=this.buffer,t.loop=this.loop,t.loopStart=this.loopStart,t.loopEnd=this.loopEnd,t.onended=this.onEnded.bind(this),t.start(this._startedAt,this._progress+this.offset,this.duration),this.isPlaying=!0,this.source=t,this.setDetune(this.detune),this.setPlaybackRate(this.playbackRate),this.connect()}pause(){if(this.hasPlaybackControl===!1){L(`Audio: this Audio has no playback control.`);return}return this.isPlaying===!0&&(this._progress+=Math.max(this.context.currentTime-this._startedAt,0)*this.playbackRate,this.loop===!0&&(this._progress%=this.duration||this.buffer.duration),this.source.stop(),this.source.onended=null,this.isPlaying=!1),this}stop(e=0){if(this.hasPlaybackControl===!1){L(`Audio: this Audio has no playback control.`);return}return this._progress=0,this.source!==null&&(this.source.stop(this.context.currentTime+e),this.source.onended=null),this.isPlaying=!1,this}connect(){if(this.filters.length>0){this.source.connect(this.filters[0]);for(let e=1,t=this.filters.length;e<t;e++)this.filters[e-1].connect(this.filters[e]);this.filters[this.filters.length-1].connect(this.getOutput())}else this.source.connect(this.getOutput());return this._connected=!0,this}disconnect(){if(this._connected!==!1){if(this.filters.length>0){this.source.disconnect(this.filters[0]);for(let e=1,t=this.filters.length;e<t;e++)this.filters[e-1].disconnect(this.filters[e]);this.filters[this.filters.length-1].disconnect(this.getOutput())}else this.source.disconnect(this.getOutput());return this._connected=!1,this}}getFilters(){return this.filters}setFilters(e){return e||=[],this._connected===!0?(this.disconnect(),this.filters=e.slice(),this.connect()):this.filters=e.slice(),this}setDetune(e){return this.detune=e,this.isPlaying===!0&&this.source.detune!==void 0&&this.source.detune.setTargetAtTime(this.detune,this.context.currentTime,.01),this}getDetune(){return this.detune}getFilter(){return this.getFilters()[0]}setFilter(e){return this.setFilters(e?[e]:[])}setPlaybackRate(e){if(this.hasPlaybackControl===!1){L(`Audio: this Audio has no playback control.`);return}return this.playbackRate=e,this.isPlaying===!0&&this.source.playbackRate.setTargetAtTime(this.playbackRate,this.context.currentTime,.01),this}getPlaybackRate(){return this.playbackRate}onEnded(){this.isPlaying=!1,this._progress=0}getLoop(){return this.hasPlaybackControl===!1?(L(`Audio: this Audio has no playback control.`),!1):this.loop}setLoop(e){if(this.hasPlaybackControl===!1){L(`Audio: this Audio has no playback control.`);return}return this.loop=e,this.isPlaying===!0&&(this.source.loop=this.loop),this}setLoopStart(e){return this.loopStart=e,this}setLoopEnd(e){return this.loopEnd=e,this}getVolume(){return this.gain.gain.value}setVolume(e){return this.gain.gain.setTargetAtTime(e,this.context.currentTime,.01),this}copy(e,t){return super.copy(e,t),e.sourceType===`buffer`?(this.autoplay=e.autoplay,this.buffer=e.buffer,this.detune=e.detune,this.loop=e.loop,this.loopStart=e.loopStart,this.loopEnd=e.loopEnd,this.offset=e.offset,this.duration=e.duration,this.playbackRate=e.playbackRate,this.hasPlaybackControl=e.hasPlaybackControl,this.sourceType=e.sourceType,this.filters=e.filters.slice(),this):(L(`Audio: Audio source type cannot be copied.`),this)}clone(e){return new this.constructor(this.listener).copy(this,e)}},id=new H,ad=new En,od=new H,sd=new H,cd=class extends rd{constructor(e){super(e),this.panner=this.context.createPanner(),this.panner.panningModel=`HRTF`,this.panner.connect(this.gain)}connect(){return super.connect(),this.panner.connect(this.gain),this}disconnect(){return super.disconnect(),this.panner.disconnect(this.gain),this}getOutput(){return this.panner}getRefDistance(){return this.panner.refDistance}setRefDistance(e){return this.panner.refDistance=e,this}getRolloffFactor(){return this.panner.rolloffFactor}setRolloffFactor(e){return this.panner.rolloffFactor=e,this}getDistanceModel(){return this.panner.distanceModel}setDistanceModel(e){return this.panner.distanceModel=e,this}getMaxDistance(){return this.panner.maxDistance}setMaxDistance(e){return this.panner.maxDistance=e,this}setDirectionalCone(e,t,n){return this.panner.coneInnerAngle=e,this.panner.coneOuterAngle=t,this.panner.coneOuterGain=n,this}updateMatrixWorld(e){if(super.updateMatrixWorld(e),this.hasPlaybackControl===!0&&this.isPlaying===!1)return;this.matrixWorld.decompose(id,ad,od),sd.set(0,0,1).applyQuaternion(ad);let t=this.panner;if(t.positionX){let e=this.context.currentTime+this.listener.timeDelta;t.positionX.linearRampToValueAtTime(id.x,e),t.positionY.linearRampToValueAtTime(id.y,e),t.positionZ.linearRampToValueAtTime(id.z,e),t.orientationX.linearRampToValueAtTime(sd.x,e),t.orientationY.linearRampToValueAtTime(sd.y,e),t.orientationZ.linearRampToValueAtTime(sd.z,e)}else t.setPosition(id.x,id.y,id.z),t.setOrientation(sd.x,sd.y,sd.z)}},ld=class{constructor(e,t=2048){this.analyser=e.context.createAnalyser(),this.analyser.fftSize=t,this.data=new Uint8Array(this.analyser.frequencyBinCount),e.getOutput().connect(this.analyser)}getFrequencyData(){return this.analyser.getByteFrequencyData(this.data),this.data}getAverageFrequency(){let e=0,t=this.getFrequencyData();for(let n=0;n<t.length;n++)e+=t[n];return e/t.length}},ud=class{constructor(e,t,n){this.binding=e,this.valueSize=n;let r,i,a;switch(t){case`quaternion`:r=this._slerp,i=this._slerpAdditive,a=this._setAdditiveIdentityQuaternion,this.buffer=new Float64Array(n*6),this._workIndex=5;break;case`string`:case`bool`:r=this._select,i=this._select,a=this._setAdditiveIdentityOther,this.buffer=Array(n*5);break;default:r=this._lerp,i=this._lerpAdditive,a=this._setAdditiveIdentityNumeric,this.buffer=new Float64Array(n*5)}this._mixBufferRegion=r,this._mixBufferRegionAdditive=i,this._setIdentity=a,this._origIndex=3,this._addIndex=4,this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,this.useCount=0,this.referenceCount=0}accumulate(e,t){let n=this.buffer,r=this.valueSize,i=e*r+r,a=this.cumulativeWeight;if(a===0){for(let e=0;e!==r;++e)n[i+e]=n[e];a=t}else{a+=t;let e=t/a;this._mixBufferRegion(n,i,0,e,r)}this.cumulativeWeight=a}accumulateAdditive(e){let t=this.buffer,n=this.valueSize,r=n*this._addIndex;this.cumulativeWeightAdditive===0&&this._setIdentity(),this._mixBufferRegionAdditive(t,r,0,e,n),this.cumulativeWeightAdditive+=e}apply(e){let t=this.valueSize,n=this.buffer,r=e*t+t,i=this.cumulativeWeight,a=this.cumulativeWeightAdditive,o=this.binding;if(this.cumulativeWeight=0,this.cumulativeWeightAdditive=0,i<1){let e=t*this._origIndex;this._mixBufferRegion(n,r,e,1-i,t)}a>0&&this._mixBufferRegionAdditive(n,r,this._addIndex*t,1,t);for(let e=t,i=t+t;e!==i;++e)if(n[e]!==n[e+t]){o.setValue(n,r);break}}saveOriginalState(){let e=this.binding,t=this.buffer,n=this.valueSize,r=n*this._origIndex;e.getValue(t,r);for(let e=n,i=r;e!==i;++e)t[e]=t[r+e%n];this._setIdentity(),this.cumulativeWeight=0,this.cumulativeWeightAdditive=0}restoreOriginalState(){let e=this.valueSize*3;this.binding.setValue(this.buffer,e)}_setAdditiveIdentityNumeric(){let e=this._addIndex*this.valueSize,t=e+this.valueSize;

5for(let n=e;n<t;n++)this.buffer[n]=0}_setAdditiveIdentityQuaternion(){this._setAdditiveIdentityNumeric(),this.buffer[this._addIndex*this.valueSize+3]=1}_setAdditiveIdentityOther(){let e=this._origIndex*this.valueSize,t=this._addIndex*this.valueSize;for(let n=0;n<this.valueSize;n++)this.buffer[t+n]=this.buffer[e+n]}_select(e,t,n,r,i){if(r>=.5)for(let r=0;r!==i;++r)e[t+r]=e[n+r]}_slerp(e,t,n,r){En.slerpFlat(e,t,e,t,e,n,r)}_slerpAdditive(e,t,n,r,i){let a=this._workIndex*i;En.multiplyQuaternionsFlat(e,a,e,t,e,n),En.slerpFlat(e,t,e,t,e,a,r)}_lerp(e,t,n,r,i){let a=1-r;for(let o=0;o!==i;++o){let i=t+o;e[i]=e[i]*a+e[n+o]*r}}_lerpAdditive(e,t,n,r,i){for(let a=0;a!==i;++a){let i=t+a;e[i]=e[i]+e[n+a]*r}}},dd=`\\[\\]\\.:\\/`,fd=RegExp(`[\\[\\]\\.:\\/]`,`g`),pd=`[^\\[\\]\\.:\\/]`,md=`[^`+dd.replace(`\\.`,``)+`]`,hd=`((?:WC+[\\/:])*)`.replace(`WC`,pd),gd=`(WCOD+)?`.replace(`WCOD`,md),_d=`(?:\\.(WC+)(?:\\[(.+)\\])?)?`.replace(`WC`,pd),vd=`\\.(WC+)(?:\\[(.+)\\])?`.replace(`WC`,pd),yd=RegExp(`^`+hd+gd+_d+vd+`$`),bd=[`material`,`materials`,`bones`,`map`],xd=class{constructor(e,t,n){let r=n||Sd.parseTrackName(t);this._targetGroup=e,this._bindings=e.subscribe_(t,r)}getValue(e,t){this.bind();let n=this._targetGroup.nCachedObjects_,r=this._bindings[n];r!==void 0&&r.getValue(e,t)}setValue(e,t){let n=this._bindings;for(let r=this._targetGroup.nCachedObjects_,i=n.length;r!==i;++r)n[r].setValue(e,t)}bind(){let e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].bind()}unbind(){let e=this._bindings;for(let t=this._targetGroup.nCachedObjects_,n=e.length;t!==n;++t)e[t].unbind()}},Sd=class e{constructor(t,n,r){this.path=n,this.parsedPath=r||e.parseTrackName(n),this.node=e.findNode(t,this.parsedPath.nodeName),this.rootNode=t,this.getValue=this._getValue_unbound,this.setValue=this._setValue_unbound}static create(t,n,r){return t&&t.isAnimationObjectGroup?new e.Composite(t,n,r):new e(t,n,r)}static sanitizeNodeName(e){return e.replace(/\s/g,`_`).replace(fd,``)}static parseTrackName(e){let t=yd.exec(e);if(t===null)throw Error(`THREE.PropertyBinding: Cannot parse trackName: `+e);let n={nodeName:t[2],objectName:t[3],objectIndex:t[4],propertyName:t[5],propertyIndex:t[6]},r=n.nodeName&&n.nodeName.lastIndexOf(`.`);if(r!==void 0&&r!==-1){let e=n.nodeName.substring(r+1);bd.indexOf(e)!==-1&&(n.nodeName=n.nodeName.substring(0,r),n.objectName=e)}if(n.propertyName===null||n.propertyName.length===0)throw Error(`THREE.PropertyBinding: can not parse propertyName from trackName: `+e);return n}static findNode(e,t){if(t===void 0||t===``||t===`.`||t===-1||t===e.name||t===e.uuid)return e;if(e.skeleton){let n=e.skeleton.getBoneByName(t);if(n!==void 0)return n}if(e.children){let n=function(e){for(let r=0;r<e.length;r++){let i=e[r];if(i.name===t||i.uuid===t)return i;let a=n(i.children);if(a)return a}return null},r=n(e.children);if(r)return r}return null}_getValue_unavailable(){}_setValue_unavailable(){}_getValue_direct(e,t){e[t]=this.targetObject[this.propertyName]}_getValue_array(e,t){let n=this.resolvedProperty;for(let r=0,i=n.length;r!==i;++r)e[t++]=n[r]}_getValue_arrayElement(e,t){e[t]=this.resolvedProperty[this.propertyIndex]}_getValue_toArray(e,t){this.resolvedProperty.toArray(e,t)}_setValue_direct(e,t){this.targetObject[this.propertyName]=e[t]}_setValue_direct_setNeedsUpdate(e,t){this.targetObject[this.propertyName]=e[t],this.targetObject.needsUpdate=!0}_setValue_direct_setMatrixWorldNeedsUpdate(e,t){this.targetObject[this.propertyName]=e[t],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_array(e,t){let n=this.resolvedProperty;for(let r=0,i=n.length;r!==i;++r)n[r]=e[t++]}_setValue_array_setNeedsUpdate(e,t){let n=this.resolvedProperty;for(let r=0,i=n.length;r!==i;++r)n[r]=e[t++];this.targetObject.needsUpdate=!0}_setValue_array_setMatrixWorldNeedsUpdate(e,t){let n=this.resolvedProperty;for(let r=0,i=n.length;r!==i;++r)n[r]=e[t++];this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_arrayElement(e,t){this.resolvedProperty[this.propertyIndex]=e[t]}_setValue_arrayElement_setNeedsUpdate(e,t){this.resolvedProperty[this.propertyIndex]=e[t],this.targetObject.needsUpdate=!0}_setValue_arrayElement_setMatrixWorldNeedsUpdate(e,t){this.resolvedProperty[this.propertyIndex]=e[t],this.targetObject.matrixWorldNeedsUpdate=!0}_setValue_fromArray(e,t){this.resolvedProperty.fromArray(e,t)}_setValue_fromArray_setNeedsUpdate(e,t){this.resolvedProperty.fromArray(e,t),this.targetObject.needsUpdate=!0}

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

5_setEndings(e,t,n){let r=this._interpolantSettings;n?(r.endingStart=rt,r.endingEnd=rt):(r.endingStart=e?this.zeroSlopeAtStart?rt:nt:it,r.endingEnd=t?this.zeroSlopeAtEnd?rt:nt:it)}_scheduleFading(e,t,n){let r=this._mixer,i=r.time,a=this._weightInterpolant;a===null&&(a=r._lendControlInterpolant(),this._weightInterpolant=a);let o=a.parameterPositions,s=a.sampleValues;return o[0]=i,s[0]=t,o[1]=i+e,s[1]=n,this}},Td=new Float32Array(1),Ed=class extends $t{constructor(e){super(),this._root=e,this._initMemoryManager(),this._accuIndex=0,this.time=0,this.timeScale=1,typeof __THREE_DEVTOOLS__<`u`&&__THREE_DEVTOOLS__.dispatchEvent(new CustomEvent(`observe`,{detail:this}))}_bindAction(e,t){let n=e._localRoot||this._root,r=e._clip.tracks,i=r.length,a=e._propertyBindings,o=e._interpolants,s=n.uuid,c=this._bindingsByRootAndName,l=c[s];l===void 0&&(l={},c[s]=l);for(let e=0;e!==i;++e){let i=r[e],c=i.name,u=l[c];if(u!==void 0)++u.referenceCount,a[e]=u;else{if(u=a[e],u!==void 0){u._cacheIndex===null&&(++u.referenceCount,this._addInactiveBinding(u,s,c));continue}let r=t&&t._propertyBindings[e].binding.parsedPath;u=new ud(Sd.create(n,c,r),i.ValueTypeName,i.getValueSize()),++u.referenceCount,this._addInactiveBinding(u,s,c),a[e]=u}o[e].resultBuffer=u.buffer}}_activateAction(e){if(!this._isActiveAction(e)){if(e._cacheIndex===null){let t=(e._localRoot||this._root).uuid,n=e._clip.uuid,r=this._actionsByClip[n];this._bindAction(e,r&&r.knownActions[0]),this._addInactiveAction(e,n,t)}let t=e._propertyBindings;for(let e=0,n=t.length;e!==n;++e){let n=t[e];n.useCount++===0&&(this._lendBinding(n),n.saveOriginalState())}this._lendAction(e)}}_deactivateAction(e){if(this._isActiveAction(e)){let t=e._propertyBindings;for(let e=0,n=t.length;e!==n;++e){let n=t[e];--n.useCount===0&&(n.restoreOriginalState(),this._takeBackBinding(n))}this._takeBackAction(e)}}_initMemoryManager(){this._actions=[],this._nActiveActions=0,this._actionsByClip={},this._bindings=[],this._nActiveBindings=0,this._bindingsByRootAndName={},this._controlInterpolants=[],this._nActiveControlInterpolants=0;let e=this;this.stats={actions:{get total(){return e._actions.length},get inUse(){return e._nActiveActions}},bindings:{get total(){return e._bindings.length},get inUse(){return e._nActiveBindings}},controlInterpolants:{get total(){return e._controlInterpolants.length},get inUse(){return e._nActiveControlInterpolants}}}}_isActiveAction(e){let t=e._cacheIndex;return t!==null&&t<this._nActiveActions}_addInactiveAction(e,t,n){let r=this._actions,i=this._actionsByClip,a=i[t];if(a===void 0)a={knownActions:[e],actionByRoot:{}},e._byClipCacheIndex=0,i[t]=a;else{let t=a.knownActions;e._byClipCacheIndex=t.length,t.push(e)}e._cacheIndex=r.length,r.push(e),a.actionByRoot[n]=e}_removeInactiveAction(e){let t=this._actions,n=t[t.length-1],r=e._cacheIndex;n._cacheIndex=r,t[r]=n,t.pop(),e._cacheIndex=null;let i=e._clip.uuid,a=this._actionsByClip,o=a[i],s=o.knownActions,c=s[s.length-1],l=e._byClipCacheIndex;c._byClipCacheIndex=l,s[l]=c,s.pop(),e._byClipCacheIndex=null;let u=o.actionByRoot,d=(e._localRoot||this._root).uuid;delete u[d],s.length===0&&delete a[i],this._removeInactiveBindingsForAction(e)}_removeInactiveBindingsForAction(e){let t=e._propertyBindings;for(let e=0,n=t.length;e!==n;++e){let n=t[e];--n.referenceCount===0&&this._removeInactiveBinding(n)}}_lendAction(e){let t=this._actions,n=e._cacheIndex,r=this._nActiveActions++,i=t[r];e._cacheIndex=r,t[r]=e,i._cacheIndex=n,t[n]=i}_takeBackAction(e){let t=this._actions,n=e._cacheIndex,r=--this._nActiveActions,i=t[r];e._cacheIndex=r,t[r]=e,i._cacheIndex=n,t[n]=i}_addInactiveBinding(e,t,n){let r=this._bindingsByRootAndName,i=this._bindings,a=r[t];a===void 0&&(a={},r[t]=a),a[n]=e,e._cacheIndex=i.length,i.push(e)}_removeInactiveBinding(e){let t=this._bindings,n=e.binding,r=n.rootNode.uuid,i=n.path,a=this._bindingsByRootAndName,o=a[r],s=t[t.length-1],c=e._cacheIndex;s._cacheIndex=c,t[c]=s,t.pop(),delete o[i],Object.keys(o).length===0&&delete a[r]}_lendBinding(e){let t=this._bindings,n=e._cacheIndex,r=this._nActiveBindings++,i=t[r];e._cacheIndex=r,t[r]=e,i._cacheIndex=n,t[n]=i}_takeBackBinding(e){let t=this._bindings,n=e._cacheIndex,r=--this._nActiveBindings,i=t[r];e._cacheIndex=r,t[r]=e,i._cacheIndex=n,t[n]=i}_lendControlInterpolant(){let e=this._controlInterpolants,t=this._nActiveControlInterpolants++,n=e[t];return n===void 0&&(n=new Dl(new Float32Array(2),new Float32Array(2),1,Td),n.__cacheIndex=t,e[t]=n),n}_takeBackControlInterpolant(e){let t=this._controlInterpolants,n=e.__cacheIndex,r=--this._nActiveControlInterpolants,i=t[r];e.__cacheIndex=r,t[r]=e,i.__cacheIndex=n,t[n]=i}clipAction(e,t,n){let r=t||this._root,i=r.uuid,a=typeof e==`string`?Rl.findByName(r,e):e,o=a===null?e:a.uuid,s=this._actionsByClip[o],c=null;if(n===void 0&&(n=a===null?at:a.blendMode),s!==void 0){let e=s.actionByRoot[i];if(e!==void 0&&e.blendMode===n)return e;c=s.knownActions[0],a===null&&(a=c._clip)}if(a===null)return null;let l=new wd(this,a,t,n);return this._bindAction(l,c),this._addInactiveAction(l,o,i),l}existingAction(e,t){let n=t||this._root,r=n.uuid,i=typeof e==`string`?Rl.findByName(n,e):e,a=i?i.uuid:e,o=this._actionsByClip[a];return o===void 0?null:o.actionByRoot[r]||null}stopAllAction(){let e=this._actions,t=this._nActiveActions;for(let n=t-1;n>=0;--n)e[n].stop();return this}update(e){e*=this.timeScale;let t=this._actions,n=this._nActiveActions,r=this.time+=e,i=Math.sign(e),a=this._accuIndex^=1;for(let o=0;o!==n;++o)t[o]._update(r,e,i,a);let o=this._bindings,s=this._nActiveBindings;for(let e=0;e!==s;++e)o[e].apply(a);return this}setTime(e){this.time=0;for(let e=0;e<this._actions.length;e++)this._actions[e].time=0;return this.update(e)}getRoot(){return this._root}uncacheClip(e){let t=this._actions,n=e.uuid,r=this._actionsByClip,i=r[n];if(i!==void 0){let e=i.knownActions;for(let n=0,r=e.length;n!==r;++n){let r=e[n];this._deactivateAction(r);let i=r._cacheIndex,a=t[t.length-1];r._cacheIndex=null,r._byClipCacheIndex=null,a._cacheIndex=i,t[i]=a,t.pop(),this._removeInactiveBindingsForAction(r)}delete r[n]}}uncacheRoot(e){let t=e.uuid,n=this._actionsByClip;for(let e in n){let r=n[e].actionByRoot[t];r!==void 0&&(this._deactivateAction(r),this._removeInactiveAction(r))}let r=this._bindingsByRootAndName[t];if(r!==void 0)for(let e in r){let t=r[e];t.restoreOriginalState(),this._removeInactiveBinding(t)}}uncacheAction(e,t){let n=this.existingAction(e,t);n!==null&&(this._deactivateAction(n),this._removeInactiveAction(n))}},Dd=class extends Wn{constructor(e=1,t=1,n=1,r={}){super(e,t,r),this.isRenderTarget3D=!0,this.depth=n,this.texture=new Jn(null,e,t,n),this._setTextureOptions(r),this.texture.isRenderTargetTexture=!0}},Od=class e{constructor(e){this.value=e}clone(){return new e(this.value.clone===void 0?this.value:this.value.clone())}},kd=0,Ad=class extends $t{constructor(){super(),this.isUniformsGroup=!0,Object.defineProperty(this,"id",{value:kd++}),this.name=``,this.usage=St,this.uniforms=[]}add(e){return this.uniforms.push(e),this}remove(e){let t=this.uniforms.indexOf(e);return t!==-1&&this.uniforms.splice(t,1),this}setName(e){return this.name=e,this}setUsage(e){return this.usage=e,this}dispose(){this.dispatchEvent({type:`dispose`})}copy(e){this.name=e.name,this.usage=e.usage;let t=e.uniforms;this.uniforms.length=0;for(let e=0,n=t.length;e<n;e++){let n=Array.isArray(t[e])?t[e]:[t[e]];for(let e=0;e<n.length;e++)this.uniforms.push(n[e].clone())}return this}clone(){return new this.constructor().copy(this)}},jd=class extends Li{constructor(e,t,n=1){super(e,t),this.isInstancedInterleavedBuffer=!0,this.meshPerAttribute=n}copy(e){return super.copy(e),this.meshPerAttribute=e.meshPerAttribute,this}clone(e){let t=super.clone(e);return t.meshPerAttribute=this.meshPerAttribute,t}toJSON(e){let t=super.toJSON(e);return t.isInstancedInterleavedBuffer=!0,t.meshPerAttribute=this.meshPerAttribute,t}},Md=class{constructor(e,t,n,r,i,a=!1){this.isGLBufferAttribute=!0,this.name=``,this.buffer=e,this.type=t,this.itemSize=n,this.elementSize=r,this.count=i,this.normalized=a,this.version=0}set needsUpdate(e){e===!0&&this.version++}setBuffer(e){return this.buffer=e,this}setType(e,t){return this.type=e,this.elementSize=t,this}setItemSize(e){return this.itemSize=e,this}setCount(e){return this.count=e,this}},Nd=new G,Pd=class{constructor(e,t,n=0,r=1/0){this.ray=new ma(e,t),this.near=n,this.far=r,this.camera=null,this.layers=new or,this.params={Mesh:{},Line:{threshold:1},LOD:{},Points:{threshold:1},Sprite:{}}}set(e,t){this.ray.set(e,t)}setFromCamera(e,t){t.isPerspectiveCamera?(this.ray.origin.setFromMatrixPosition(t.matrixWorld),this.ray.direction.set(e.x,e.y,.5).unproject(t).sub(this.ray.origin).normalize(),this.camera=t):t.isOrthographicCamera?(this.ray.origin.set(e.x,e.y,t.projectionMatrix.elements[14]).unproject(t),this.ray.direction.set(0,0,-1).transformDirection(t.matrixWorld),this.camera=t):R(`Raycaster: 

5distanceSqToLine3(e,t=Jd,n=Yd){let r=1e-8*1e-8,i,a,o=this.start,s=e.start,c=this.end,l=e.end;Gd.subVectors(c,o),Kd.subVectors(l,s),qd.subVectors(o,s);let u=Gd.dot(Gd),d=Kd.dot(Kd),f=Kd.dot(qd);if(u<=r&&d<=r)return t.copy(o),n.copy(s),t.sub(n),t.dot(t);if(u<=r)i=0,a=f/d,a=z(a,0,1);else{let e=Gd.dot(qd);if(d<=r)a=0,i=z(-e/u,0,1);else{let t=Gd.dot(Kd),n=u*d-t*t;i=n===0?0:z((t*f-e*d)/n,0,1),a=(t*i+f)/d,a<0?(a=0,i=z(-e/u,0,1)):a>1&&(a=1,i=z((t-e)/u,0,1))}}return t.copy(o).addScaledVector(Gd,i),n.copy(s).addScaledVector(Kd,a),t.distanceToSquared(n)}applyMatrix4(e){return this.start.applyMatrix4(e),this.end.applyMatrix4(e),this}equals(e){return e.start.equals(this.start)&&e.end.equals(this.end)}clone(){return new this.constructor().copy(this)}},Zd=new H,Qd=class extends Sr{constructor(e,t){super(),this.light=e,this.matrixAutoUpdate=!1,this.color=t,this.type=`SpotLightHelper`;let n=new J,r=[0,0,0,0,0,1,0,0,0,1,0,1,0,0,0,-1,0,1,0,0,0,0,1,1,0,0,0,0,-1,1];for(let e=0,t=1;e<32;e++,t++){let n=e/32*Math.PI*2,i=t/32*Math.PI*2;r.push(Math.cos(n),Math.sin(n),1,Math.cos(i),Math.sin(i),1)}n.setAttribute(`position`,new q(r,3));let i=new Oo({fog:!1,toneMapped:!1});this.cone=new Bo(n,i),this.add(this.cone),this.update()}dispose(){this.cone.geometry.dispose(),this.cone.material.dispose()}update(){this.light.updateWorldMatrix(!0,!1),this.light.target.updateWorldMatrix(!0,!1),this.parent?(this.parent.updateWorldMatrix(!0),this.matrix.copy(this.parent.matrixWorld).invert().multiply(this.light.matrixWorld)):this.matrix.copy(this.light.matrixWorld),this.matrixWorldNeedsUpdate=!0;let e=this.light.distance?this.light.distance:1e3,t=e*Math.tan(this.light.angle);this.cone.scale.set(t,t,e),Zd.setFromMatrixPosition(this.light.target.matrixWorld),this.cone.lookAt(Zd),this.color===void 0?this.cone.material.color.copy(this.light.color):this.cone.material.color.set(this.color)}},$d=new H,ef=new G,tf=new G,nf=class extends Bo{constructor(e){let t=rf(e),n=new J,r=[],i=[];for(let e=0;e<t.length;e++){let n=t[e];n.parent&&n.parent.isBone&&(r.push(0,0,0),r.push(0,0,0),i.push(0,0,0),i.push(0,0,0))}n.setAttribute(`position`,new q(r,3)),n.setAttribute(`color`,new q(i,3));let a=new Oo({vertexColors:!0,depthTest:!1,depthWrite:!1,toneMapped:!1,transparent:!0});super(n,a),this.isSkeletonHelper=!0,this.type=`SkeletonHelper`,this.root=e,this.bones=t,this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1;let o=new K(255),s=new K(65280);this.setColors(o,s)}updateMatrixWorld(e){let t=this.bones,n=this.geometry,r=n.getAttribute(`position`);tf.copy(this.root.matrixWorld).invert();for(let e=0,n=0;e<t.length;e++){let i=t[e];i.parent&&i.parent.isBone&&(ef.multiplyMatrices(tf,i.matrixWorld),$d.setFromMatrixPosition(ef),r.setXYZ(n,$d.x,$d.y,$d.z),ef.multiplyMatrices(tf,i.parent.matrixWorld),$d.setFromMatrixPosition(ef),r.setXYZ(n+1,$d.x,$d.y,$d.z),n+=2)}n.getAttribute(`position`).needsUpdate=!0,super.updateMatrixWorld(e)}setColors(e,t){let n=this.geometry.getAttribute(`color`);for(let r=0;r<n.count;r+=2)n.setXYZ(r,e.r,e.g,e.b),n.setXYZ(r+1,t.r,t.g,t.b);return n.needsUpdate=!0,this}dispose(){this.geometry.dispose(),this.material.dispose()}};function rf(e){let t=[];e.isBone===!0&&t.push(e);for(let n=0;n<e.children.length;n++)t.push(...rf(e.children[n]));return t}var af=class extends Ea{constructor(e,t,n){let r=new Uc(t,4,2),i=new ha({wireframe:!0,fog:!1,toneMapped:!1});super(r,i),this.light=e,this.color=n,this.type=`PointLightHelper`,this.matrix=this.light.matrixWorld,this.matrixAutoUpdate=!1,this.update()}dispose(){this.geometry.dispose(),this.material.dispose()}update(){this.matrixWorldNeedsUpdate=!0,this.light.updateWorldMatrix(!0,!1),this.color===void 0?this.material.color.copy(this.light.color):this.material.color.set(this.color)}},of=new H,sf=new K,cf=new K,lf=class extends Sr{constructor(e,t,n){super(),this.light=e,this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.color=n,this.type=`HemisphereLightHelper`;let r=new Rc(t);r.rotateY(Math.PI*.5),this.material=new ha({wireframe:!0,fog:!1,toneMapped:!1}),this.color===void 0&&(this.material.vertexColors=!0);let i=r.getAttribute(`position`),a=new Float32Array(i.count*3);r.setAttribute(`color`,new _i(a,3)),this.add(new Ea(r,this.material)),this.update()}dispose(){this.children[0].geometry.dispose(),this.children[0].material.dispose()}update(){let e=this.children[0];if(this.color!==void 0)this.material.color.set(this.color);else{let t=e.geometry.getAttribute(`color`);sf.copy(this.light.color),cf.copy(this.light.groundColor);for(let e=0,n=t.count;e<n;e++){let r=e<n/2?sf:cf;t.setXYZ(e,r.r,r.g,r.b)}t.needsUpdate=!0}this.matrixWorldNeedsUpdate=!0,this.light.updateWorldMatrix(!0,!1),e.lookAt(of.setFromMatrixPosition(this.light.matrixWorld).negate())}},uf=class extends Bo{constructor(e=10,t=10,n=4473924,r=8947848){n=new K(n),r=new K(r);let i=t/2,a=e/t,o=e/2,s=[],c=[];for(let e=0,l=0,u=-o;e<=t;e++,u+=a){s.push(-o,0,u,o,0,u),s.push(u,0,-o,u,0,o);let t=e===i?n:r;t.toArray(c,l),l+=3,t.toArray(c,l),l+=3,t.toArray(c,l),l+=3,t.toArray(c,l),l+=3}let l=new J;l.setAttribute(`position`,new q(s,3)),l.setAttribute(`color`,new q(c,3));let u=new Oo({vertexColors:!0,toneMapped:!1});super(l,u),this.type=`GridHelper`}dispose(){this.geometry.dispose(),this.material.dispose()}},df=class extends Bo{constructor(e=10,t=16,n=8,r=64,i=4473924,a=8947848){i=new K(i),a=new K(a);let o=[],s=[];if(t>1)for(let n=0;n<t;n++){let r=n/t*(Math.PI*2),c=Math.sin(r)*e,l=Math.cos(r)*e;o.push(0,0,0),o.push(c,0,l);let u=n&1?i:a;s.push(u.r,u.g,u.b),s.push(u.r,u.g,u.b)}for(let t=0;t<n;t++){let c=t&1?i:a,l=e-e/n*t;for(let e=0;e<r;e++){let t=e/r*(Math.PI*2),n=Math.sin(t)*l,i=Math.cos(t)*l;o.push(n,0,i),s.push(c.r,c.g,c.b),t=(e+1)/r*(Math.PI*2),n=Math.sin(t)*l,i=Math.cos(t)*l,o.push(n,0,i),s.push(c.r,c.g,c.b)}}let c=new J;c.setAttribute(`position`,new q(o,3)),c.setAttribute(`color`,new q(s,3));let l=new Oo({vertexColors:!0,toneMapped:!1});super(c,l),this.type=`PolarGridHelper`}dispose(){this.geometry.dispose(),this.material.dispose()}},ff=new H,pf=new H,mf=new H,hf=class extends Sr{constructor(e,t,n){super(),this.light=e,this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.color=n,this.type=`DirectionalLightHelper`,t===void 0&&(t=1);let r=new J;r.setAttribute(`position`,new q([-t,t,0,t,t,0,t,-t,0,-t,-t,0,-t,t,0],3));let i=new Oo({fog:!1,toneMapped:!1});this.lightPlane=new Io(r,i),this.add(this.lightPlane),r=new J,r.setAttribute(`position`,new q([0,0,0,0,0,1],3)),this.targetLine=new Io(r,i),this.add(this.targetLine),this.update()}dispose(){this.lightPlane.geometry.dispose(),this.lightPlane.material.dispose(),this.targetLine.geometry.dispose(),this.targetLine.material.dispose()}update(){this.matrixWorldNeedsUpdate=!0,this.light.updateWorldMatrix(!0,!1),this.light.target.updateWorldMatrix(!0,!1),ff.setFromMatrixPosition(this.light.matrixWorld),pf.setFromMatrixPosition(this.light.target.matrixWorld),mf.subVectors(pf,ff),this.lightPlane.lookAt(pf),this.color===void 0?(this.lightPlane.material.color.copy(this.light.color),this.targetLine.material.color.copy(this.light.color)):(this.lightPlane.material.color.set(this.color),this.targetLine.material.color.set(this.color)),this.targetLine.lookAt(pf),this.targetLine.scale.z=mf.length()}},gf=new H,_f=new uu,vf=class extends Bo{constructor(e){let t=new J,n=new Oo({color:16777215,vertexColors:!0,toneMapped:!1}),r=[],i=[],a={};o(`n1`,`n2`),o(`n2`,`n4`),o(`n4`,`n3`),o(`n3`,`n1`),o(`f1`,`f2`),o(`f2`,`f4`),o(`f4`,`f3`),o(`f3`,`f1`),o(`n1`,`f1`),o(`n2`,`f2`),o(`n3`,`f3`),o(`n4`,`f4`),o(`p`,`n1`),o(`p`,`n2`),o(`p`,`n3`),o(`p`,`n4`),o(`u1`,`u2`),o(`u2`,`u3`),o(`u3`,`u1`),o(`c`,`t`),o(`p`,`c`),o(`cn1`,`cn2`),o(`cn3`,`cn4`),o(`cf1`,`cf2`),o(`cf3`,`cf4`);function o(e,t){s(e),s(t)}function s(e){r.push(0,0,0),i.push(0,0,0),a[e]===void 0&&(a[e]=[]),a[e].push(r.length/3-1)}t.setAttribute(`position`,new q(r,3)),t.setAttribute(`color`,new q(i,3)),super(t,n),this.type=`CameraHelper`,this.camera=e,this.camera.updateProjectionMatrix&&this.camera.updateProjectionMatrix(),this.matrix=e.matrixWorld,this.matrixAutoUpdate=!1,this.pointMap=a,this.update();let c=new K(16755200),l=new K(16711680),u=new K(43775),d=new K(16777215),f=new K(3355443);this.setColors(c,l,u,d,f)}setColors(e,t,n,r,i){let a=this.geometry.getAttribute(`color`);return a.setXYZ(0,e.r,e.g,e.b),a.setXYZ(1,e.r,e.g,e.b),a.setXYZ(2,e.r,e.g,e.b),a.setXYZ(3,e.r,e.g,e.b),a.setXYZ(4,e.r,e.g,e.b),a.setXYZ(5,e.r,e.g,e.b),a.setXYZ(6,e.r,e.g,e.b),a.setXYZ(7,e.r,e.g,e.b),a.setXYZ(8,e.r,e.g,e.b),a.setXYZ(9,e.r,e.g,e.b),a.setXYZ(10,e.r,e.g,e.b),a.setXYZ(11,e.r,e.g,e.b),a.setXYZ(12,e.r,e.g,e.b),a.setXYZ(13,e.r,e.g,e.b),a.setXYZ(14,e.r,e.g,e.b),a.setXYZ(15,e.r,e.g,e.b),a.setXYZ(16,e.r,e.g,e.b),a.setXYZ(17,e.r,e.g,e.b),a.setXYZ(18,e.r,e.g,e.b),a.setXYZ(19,e.r,e.g,e.b),a.setXYZ(20,e.r,e.g,e.b),a.setXYZ(21,e.r,e.g,e.b),a.setXYZ(22,e.r,e.g,e.b),a.setXYZ(23,e.r,e.g,e.b),a.setXYZ(24,t.r,t.g,t.b),a.setXYZ(25,t.r,t.g,t.b),a.setXYZ(26,t.r,t.g,t.b),a.setXYZ(27,t.r,t.g,t.b),a.setXYZ(28,t.r,t.g,t.b),a.setXYZ(29,t.r,t.g,t.b),a.setXYZ(30,t.r,t.g,t.b),a.setXYZ(31,t.r,t.g,t.b),a.setXYZ(32,n.r,n.g,n.b),a.setXYZ(33,n.r,n.g,n.b),a.setXYZ(34,n.r,n.g,n.b),a.setXYZ(35,n.r,n.g,n.b),a.setXYZ(36,n.r,n.g,n.b),a.setXYZ(37,n.r,n.g,n.b),a.setXYZ(38,r.r,r.g,r.b),a.setXYZ(39,r.r,r.g,r.b),a.setXYZ(40,i.r,i.g,i.b),a.setXYZ(41,i.r,i.g,i.b),a.setXYZ(42,i.r,i.g,i.b),a.setXYZ(43,i.r,i.g,i.b),a.setXYZ(44,i.r,i.g,i.b),a.setXYZ(45,i.r,i.g,i.b),a.setXYZ(46,i.r,i.g,i.b),a.setXYZ(47,i.r,i.g,i.b),a.setXYZ(48,i.r,i.g,i.b),a.setXYZ(49,i.r,i.g,i.b),a.needsUpdate=!0,this}update(){let e=this.geometry,t=this.pointMap,n,r;if(_f.projectionMatrixInverse.copy(this.camera.projectionMatrixInverse),this.camera.reversedDepth===!0)n=1,r=0;else if(this.camera.coordinateSystem===2e3)n=-1,r=1;else if(this.camera.coordinateSystem===2001)n=0,r=1;else throw Error(`THREE.CameraHelper.update(): Invalid coordinate system: `+this.camera.coordinateSystem);yf(`c`,t,e,_f,0,0,n),yf(`t`,t,e,_f,0,0,r),yf(`n1`,t,e,_f,-1,-1,n),yf(`n2`,t,e,_f,1,-1,n),yf(`n3`,t,e,_f,-1,1,n),yf(`n4`,t,e,_f,1,1,n),yf(`f1`,t,e,_f,-1,-1,r),yf(`f2`,t,e,_f,1,-1,r),yf(`f3`,t,e,_f,-1,1,r),yf(`f4`,t,e,_f,1,1,r),yf(`u1`,t,e,_f,.7,1.1,n),yf(`u2`,t,e,_f,-.7,1.1,n),yf(`u3`,t,e,_f,0,2,n),yf(`cf1`,t,e,_f,-1,0,r),yf(`cf2`,t,e,_f,1,0,r),yf(`cf3`,t,e,_f,0,-1,r),yf(`cf4`,t,e,_f,0,1,r),yf(`cn1`,t,e,_f,-1,0,n),yf(`cn2`,t,e,_f,1,0,n),yf(`cn3`,t,e,_f,0,-1,n),yf(`cn4`,t,e,_f,0,1,n),e.getAttribute(`position`).needsUpdate=!0}dispose(){this.geometry.dispose(),this.material.dispose()}};function yf(e,t,n,r,i,a,o){gf.set(i,a,o).unproject(r);let s=t[e];if(s!==void 0){let e=n.getAttribute(`position`);for(let t=0,n=s.length;t<n;t++)e.setXYZ(s[t],gf.x,gf.y,gf.z)}}var bf=new Jr,xf=class extends Bo{constructor(e,t=16776960){let n=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),r=new Float32Array(24),i=new J;i.setIndex(new _i(n,1)),i.setAttribute(`position`,new _i(r,3)),super(i,new Oo({color:t,toneMapped:!1})),this.object=e,this.type=`BoxHelper`,this.matrixAutoUpdate=!1,this.update()}update(){if(this.object!==void 0&&bf.setFromObject(this.object),bf.isEmpty())return;let e=bf.min,t=bf.max,n=this.geometry.attributes.position,r=n.array;r[0]=t.x,r[1]=t.y,r[2]=t.z,r[3]=e.x,r[4]=t.y,r[5]=t.z,r[6]=e.x,r[7]=e.y,r[8]=t.z,r[9]=t.x,r[10]=e.y,r[11]=t.z,r[12]=t.x,r[13]=t.y,r[14]=e.z,r[15]=e.x,r[16]=t.y,r[17]=e.z,r[18]=e.x,r[19]=e.y,r[20]=e.z,r[21]=t.x,r[22]=e.y,r[23]=e.z,n.needsUpdate=!0,this.geometry.computeBoundingSphere()}setFromObject(e){return this.object=e,this.update(),this}copy(e,t){return super.copy(e,t),this.object=e.object,this}dispose(){this.geometry.dispose(),this.material.dispose()}},Sf=class extends Bo{constructor(e,t=16776960){let n=new Uint16Array([0,1,1,2,2,3,3,0,4,5,5,6,6,7,7,4,0,4,1,5,2,6,3,7]),r=[1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,-1,1,-1,-1,-1,-1,1,-1,-1],i=new J;i.setIndex(new _i(n,1)),i.setAttribute(`position`,new q(r,3)),super(i,new Oo({color:t,toneMapped:!1})),this.box=e,this.type=`Box3Helper`,this.geometry.computeBoundingSphere()}updateMatrixWorld(e){let t=this.box;t.isEmpty()||(t.getCenter(this.position),t.getSize(this.scale),this.scale.multiplyScalar(.5),super.updateMatrixWorld(e))}dispose(){this.geometry.dispose(),this.material.dispose()}},Cf=class extends Io{constructor(e,t=1,n=16776960){let r=n,i=[1,-1,0,-1,1,0,-1,-1,0,1,1,0,-1,1,0,-1,-1,0,1,-1,0,1,1,0],a=new J;a.setAttribute(`position`,new q(i,3)),a.computeBoundingSphere(),super(a,new Oo({color:r,toneMapped:!1})),this.type=`PlaneHelper`,this.plane=e,this.size=t;let o=[1,1,0,-1,1,0,-1,-1,0,1,1,0,-1,-1,0,1,-1,0],s=new J;s.setAttribute(`position`,new q(o,3)),s.computeBoundingSphere(),this.add(new Ea(s,new ha({color:r,opacity:.2,transparent:!0,depthWrite:!1,toneMapped:!1})))}updateMatrixWorld(e){this.position.set(0,0,0),this.scale.set(.5*this.size,.5*this.size,1),this.lookAt(this.plane.normal),this.translateZ(-this.plane.constant),super.updateMatrixWorld(e)}dispose(){this.geometry.dispose(),this.material.dispose(),this.children[0].geometry.dispose(),this.children[0].material.dispose()}},wf=new H,Tf,Ef,Df=class extends Sr{constructor(e=new H(0,0,1),t=new H(0,0,0),n=1,r=16776960,i=n*.2,a=i*.2){super(),this.type=`ArrowHelper`,Tf===void 0&&(Tf=new J,Tf.setAttribute(`position`,new q([0,0,0,0,1,0],3)),Ef=new ds(.5,1,5,1),Ef.translate(0,-.5,0)),this.position.copy(t),this.line=new Io(Tf,new Oo({color:r,toneMapped:!1})),this.line.matrixAutoUpdate=!1,this.add(this.line),this.cone=new Ea(Ef,new ha({color:r,toneMapped:!1})),this.cone.matrixAutoUpdate=!1,this.add(this.cone),this.setDirection(e),this.setLength(n,i,a)}setDirection(e){if(e.y>.99999)this.quaternion.set(0,0,0,1);else if(e.y<-.99999)this.quaternion.set(1,0,0,0);else{wf.set(e.z,0,-e.x).normalize();let t=Math.acos(e.y);this.quaternion.setFromAxisAngle(wf,t)}}setLength(e,t=e*.2,n=t*.2){this.line.scale.set(1,Math.max(1e-4,e-t),1),this.line.updateMatrix(),this.cone.scale.set(n,t,n),this.cone.position.y=e,this.cone.updateMatrix()}setColor(e){this.line.material.color.set(e),this.cone.material.color.set(e)}copy(e){return super.copy(e,!1),this.line.copy(e.line),this.cone.copy(e.cone),this}dispose(){this.line.geometry.dispose(),this.line.material.dispose(),this.cone.geometry.dispose(),this.cone.material.dispose()}},Of=class extends Bo{constructor(e=1){let t=[0,0,0,e,0,0,0,0,0,0,e,0,0,0,0,0,0,e],n=[1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],r=new J;r.setAttribute(`position`,new q(t,3)),r.setAttribute(`color`,new q(n,3));let i=new Oo({vertexColors:!0,toneMapped:!1});super(r,i),this.type=`AxesHelper`}

5203,OrthographicCamera:()=>yu,PCFShadowMap:()=>1,PCFSoftShadowMap:()=>2,PMREMGenerator:()=>op,Path:()=>Js,PerspectiveCamera:()=>mu,Plane:()=>to,PlaneGeometry:()=>zc,PlaneHelper:()=>Cf,PointLight:()=>vu,PointLightHelper:()=>af,Points:()=>qo,PointsMaterial:()=>Ho,PolarGridHelper:()=>df,PolyhedronGeometry:()=>fs,PositionalAudio:()=>cd,PropertyBinding:()=>Sd,PropertyMixer:()=>ud,QuadraticBezierCurve:()=>Us,QuadraticBezierCurve3:()=>Ws,Quaternion:()=>En,QuaternionKeyframeTrack:()=>Fl,QuaternionLinearInterpolant:()=>Pl,R11_EAC_Format:()=>De,RED_GREEN_RGTC2_Format:()=>qe,RED_RGTC1_Format:()=>Ge,REVISION:()=>`185`,RG11_EAC_Format:()=>ke,RGBADepthPacking:()=>ct,RGBAFormat:()=>M,RGBAIntegerFormat:()=>he,RGBA_ASTC_10x10_Format:()=>ze,RGBA_ASTC_10x5_Format:()=>F,RGBA_ASTC_10x6_Format:()=>Re,RGBA_ASTC_10x8_Format:()=>I,RGBA_ASTC_12x10_Format:()=>Be,RGBA_ASTC_12x12_Format:()=>Ve,RGBA_ASTC_4x4_Format:()=>je,RGBA_ASTC_5x4_Format:()=>Me,RGBA_ASTC_5x5_Format:()=>Ne,RGBA_ASTC_6x5_Format:()=>Pe,RGBA_ASTC_6x6_Format:()=>P,RGBA_ASTC_8x5_Format:()=>Fe,RGBA_ASTC_8x6_Format:()=>Ie,RGBA_ASTC_8x8_Format:()=>Le,RGBA_BPTC_Format:()=>He,RGBA_ETC2_EAC_Format:()=>Ee,RGBA_PVRTC_2BPPV1_Format:()=>Ce,RGBA_PVRTC_4BPPV1_Format:()=>Se,RGBA_S3TC_DXT1_Format:()=>_e,RGBA_S3TC_DXT3_Format:()=>ve,RGBA_S3TC_DXT5_Format:()=>ye,RGBDepthPacking:()=>lt,RGBFormat:()=>ce,RGBIntegerFormat:()=>me,RGB_BPTC_SIGNED_Format:()=>Ue,RGB_BPTC_UNSIGNED_Format:()=>We,RGB_ETC1_Format:()=>we,RGB_ETC2_Format:()=>Te,RGB_PVRTC_2BPPV1_Format:()=>xe,RGB_PVRTC_4BPPV1_Format:()=>be,RGB_S3TC_DXT1_Format:()=>ge,RGDepthPacking:()=>ut,RGFormat:()=>fe,RGIntegerFormat:()=>pe,RawShaderMaterial:()=>sl,Ray:()=>ma,Raycaster:()=>Pd,RectAreaLight:()=>Cu,RedFormat:()=>N,RedIntegerFormat:()=>de,ReinhardToneMapping:()=>2,RenderTarget:()=>Wn,RenderTarget3D:()=>Dd,RepeatWrapping:()=>p,ReplaceStencilOp:()=>gt,ReverseSubtractEquation:()=>102,RingGeometry:()=>Bc,SIGNED_R11_EAC_Format:()=>Oe,SIGNED_RED_GREEN_RGTC2_Format:()=>Je,SIGNED_RED_RGTC1_Format:()=>Ke,SIGNED_RG11_EAC_Format:()=>Ae,SRGBColorSpace:()=>dt,SRGBTransfer:()=>mt,Scene:()=>Nr,ShaderChunk:()=>Q,ShaderLib:()=>Bf,ShaderMaterial:()=>ol,ShadowMaterial:()=>Zc,Shape:()=>Ys,ShapeGeometry:()=>Vc,ShapePath:()=>kf,ShapeUtils:()=>Ac,ShortType:()=>O,Skeleton:()=>X,SkeletonHelper:()=>nf,SkinnedMesh:()=>Ra,Source:()=>Rn,Sphere:()=>ki,SphereGeometry:()=>Uc,Spherical:()=>Rd,SphericalHarmonics3:()=>wu,SplineCurve:()=>Gs,SpotLight:()=>gu,SpotLightHelper:()=>Qd,Sprite:()=>na,SpriteMaterial:()=>Hi,SrcAlphaFactor:()=>204,SrcAlphaSaturateFactor:()=>210,SrcColorFactor:()=>202,StaticCopyUsage:()=>Ot,StaticDrawUsage:()=>St,StaticReadUsage:()=>Tt,StereoCamera:()=>Wu,StreamCopyUsage:()=>At,StreamDrawUsage:()=>wt,StreamReadUsage:()=>Dt,StringKeyframeTrack:()=>Il,SubtractEquation:()=>101,SubtractiveBlending:()=>3,TOUCH:()=>u,TangentSpaceNormalMap:()=>0,TetrahedronGeometry:()=>Wc,Texture:()=>Hn,TextureLoader:()=>eu,TextureUtils:()=>If,Timer:()=>Yu,TimestampQuery:()=>Pt,TorusGeometry:()=>Gc,TorusKnotGeometry:()=>Kc,Triangle:()=>qr,TriangleFanDrawMode:()=>2,TriangleStripDrawMode:()=>1,TrianglesDrawMode:()=>0,TubeGeometry:()=>qc,UVMapping:()=>300,Uint16BufferAttribute:()=>Si,Uint32BufferAttribute:()=>wi,Uint8BufferAttribute:()=>yi,Uint8ClampedBufferAttribute:()=>bi,Uniform:()=>Od,UniformsGroup:()=>Ad,UniformsLib:()=>$,UniformsUtils:()=>rl,UnsignedByteType:()=>E,UnsignedInt101111Type:()=>oe,UnsignedInt248Type:()=>ie,UnsignedInt5999Type:()=>ae,UnsignedIntType:()=>ee,UnsignedShort4444Type:()=>ne,UnsignedShort5551Type:()=>re,UnsignedShortType:()=>k,VSMShadowMap:()=>3,Vector2:()=>V,Vector3:()=>H,Vector4:()=>Un,VectorKeyframeTrack:()=>Ll,VideoFrameTexture:()=>Xo,VideoTexture:()=>Yo,WebGL3DRenderTarget:()=>Yn,WebGLArrayRenderTarget:()=>qn,WebGLCoordinateSystem:()=>Mt,WebGLCubeRenderTarget:()=>hp,WebGLRenderTarget:()=>Gn,WebGLRenderer:()=>$h,WebGLUtils:()=>Vh,WebGPUCoordinateSystem:()=>Nt,WebXRController:()=>Tr,WireframeGeometry:()=>Jc,WrapAroundEnding:()=>it,ZeroCurvatureEnding:()=>nt,ZeroFactor:()=>200,ZeroSlopeEnding:()=>rt,ZeroStencilOp:()=>0,createCanvasElement:()=>Ut,error:()=>R,getConsoleFunction:()=>qt,log:()=>Jt,setConsoleFunction:()=>Kt,warn:()=>L,warnOnce:()=>Xt});function Rf(){let e=null,t=!1,n=null,r=null;function i(t,a){n(t,a),r=e.requestAnimationFrame(i)}return{start:function(){t!==!0&&n!==null&&e!==null&&(r=e.requestAnimationFrame(i),t=!0)},stop:function(){e!==null&&e.cancelAnimationFrame(r),t=!1},setAnimationLoop:function(e){n=e},setContext:function(t){e=t}}}function zf(e){let t=new WeakMap;function n(t,n){let r=t.array,i=t.usage,a=r.byteLength,o=e.createBuffer();e.bindBuffer(n,o),e.bufferData(n,r,i),t.onUploadCallback();let s;if(r instanceof Float32Array)s=e.FLOAT;else if(typeof Float16Array<`u`&&r instanceof Float16Array)s=e.HALF_FLOAT;else if(r instanceof Uint16Array)s=t.isFloat16BufferAttribute?e.HALF_FLOAT:e.UNSIGNED_SHORT;else if(r instanceof Int16Array)s=e.SHORT;else if(r instanceof Uint32Array)s=e.UNSIGNED_INT;else if(r instanceof Int32Array)s=e.INT;else if(r instanceof Int8Array)s=e.BYTE;else if(r instanceof Uint8Array)s=e.UNSIGNED_BYTE;else if(r instanceof Uint8ClampedArray)s=e.UNSIGNED_BYTE;else throw Error(`THREE.WebGLAttributes: Unsupported buffer data format: `+r);return{buffer:o,type:s,bytesPerElement:r.BYTES_PER_ELEMENT,version:t.version,size:a}}function r(t,n,r){let i=n.array,a=n.updateRanges;if(e.bindBuffer(r,t),a.length===0)e.bufferSubData(r,0,i);else{a.sort((e,t)=>

5e.start-t.start);let t=0;for(let e=1;e<a.length;e++){let n=a[t],r=a[e];r.start<=n.start+n.count+1?n.count=Math.max(n.count,r.start+r.count-n.start):(++t,a[t]=r)}a.length=t+1;for(let t=0,n=a.length;t<n;t++){let n=a[t];e.bufferSubData(r,n.start*i.BYTES_PER_ELEMENT,i,n.start,n.count)}n.clearUpdateRanges()}n.onUploadCallback()}function i(e){return e.isInterleavedBufferAttribute&&(e=e.data),t.get(e)}function a(n){n.isInterleavedBufferAttribute&&(n=n.data);let r=t.get(n);r&&(e.deleteBuffer(r.buffer),t.delete(n))}function o(e,i){if(e.isInterleavedBufferAttribute&&(e=e.data),e.isGLBufferAttribute){let n=t.get(e);(!n||n.version<e.version)&&t.set(e,{buffer:e.buffer,type:e.type,bytesPerElement:e.elementSize,version:e.version});return}let a=t.get(e);if(a===void 0)t.set(e,n(e,i));else if(a.version<e.version){if(a.size!==e.array.byteLength)throw Error(`THREE.WebGLAttributes: The size of the buffer attribute's array buffer does not match the original size. Resizing buffer attributes is not supported.`);r(a.buffer,e,i),a.version=e.version}}return{get:i,remove:a,update:o}}var Q={alphahash_fragment:`#ifdef USE_ALPHAHASH
6	if ( diffuseColor.a < getAlphaHashThreshold( vPosition ) ) discard;
7#endif`,alphahash_pars_fragment:`#ifdef USE_ALPHAHASH
8	const float ALPHA_HASH_SCALE = 0.05;
9	float hash2D( vec2 value ) {
10		return fract( 1.0e4 * sin( 17.0 * value.x + 0.1 * value.y ) * ( 0.1 + abs( sin( 13.0 * value.y + value.x ) ) ) );
11	}
12	float hash3D( vec3 value ) {
13		return hash2D( vec2( hash2D( value.xy ), value.z ) );
14	}
15	float getAlphaHashThreshold( vec3 position ) {
16		float maxDeriv = max(
17			length( dFdx( position.xyz ) ),
18			length( dFdy( position.xyz ) )
19		);
20		float pixScale = 1.0 / ( ALPHA_HASH_SCALE * maxDeriv );
21		vec2 pixScales = vec2(
22			exp2( floor( log2( pixScale ) ) ),
23			exp2( ceil( log2( pixScale ) ) )
24		);
25		vec2 alpha = vec2(
26			hash3D( floor( pixScales.x * position.xyz ) ),
27			hash3D( floor( pixScales.y * position.xyz ) )
28		);
29		float lerpFactor = fract( log2( pixScale ) );
30		float x = ( 1.0 - lerpFactor ) * alpha.x + lerpFactor * alpha.y;
31		float a = min( lerpFactor, 1.0 - lerpFactor );
32		vec3 cases = vec3(
33			x * x / ( 2.0 * a * ( 1.0 - a ) ),
34			( x - 0.5 * a ) / ( 1.0 - a ),
35			1.0 - ( ( 1.0 - x ) * ( 1.0 - x ) / ( 2.0 * a * ( 1.0 - a ) ) )
36		);
37		float threshold = ( x < ( 1.0 - a ) )
38			? ( ( x < a ) ? cases.x : cases.y )
39			: cases.z;
40		return clamp( threshold , 1.0e-6, 1.0 );
41	}
42#endif`,alphamap_fragment:`#ifdef USE_ALPHAMAP
43	diffuseColor.a *= texture2D( alphaMap, vAlphaMapUv ).g;
44#endif`,alphamap_pars_fragment:`#ifdef USE_ALPHAMAP
45	uniform sampler2D alphaMap;
46#endif`,alphatest_fragment:`#ifdef USE_ALPHATEST
47	#ifdef ALPHA_TO_COVERAGE
48	diffuseColor.a = smoothstep( alphaTest, alphaTest + fwidth( diffuseColor.a ), diffuseColor.a );
49	if ( diffuseColor.a == 0.0 ) discard;
50	#else
51	if ( diffuseColor.a < alphaTest ) discard;
52	#endif
53#endif`,alphatest_pars_fragment:`#ifdef USE_ALPHATEST
54	uniform float alphaTest;
55#endif`,aomap_fragment:`#ifdef USE_AOMAP
56	float ambientOcclusion = ( texture2D( aoMap, vAoMapUv ).r - 1.0 ) * aoMapIntensity + 1.0;
57	reflectedLight.indirectDiffuse *= ambientOcclusion;
58	#if defined( USE_CLEARCOAT ) 
59		clearcoatSpecularIndirect *= ambientOcclusion;
60	#endif
61	#if defined( USE_SHEEN ) 
62		sheenSpecularIndirect *= ambientOcclusion;
63	#endif
64	#if defined( USE_ENVMAP ) && defined( STANDARD )
65		float dotNV = saturate( dot( geometryNormal, geometryViewDir ) );
66		reflectedLight.indirectSpecular *= computeSpecularOcclusion( dotNV, ambientOcclusion, material.roughness );
67	#endif
68#endif`,aomap_pars_fragment:`#ifdef USE_AOMAP
69	uniform sampler2D aoMap;
70	uniform float aoMapIntensity;
71#endif`,batching_pars_vertex:`#ifdef USE_BATCHING
72	#if ! defined( GL_ANGLE_multi_draw )
73	#define gl_DrawID _gl_DrawID
74	uniform int _gl_DrawID;
75	#endif
76	uniform highp sampler2D batchingTexture;
77	uniform highp usampler2D batchingIdTexture;
78	mat4 getBatchingMatrix( const in float i ) {
79		int size = textureSize( batchingTexture, 0 ).x;
80		int j = int( i ) * 4;
81		int x = j % size;
82		int y = j / size;
83		vec4 v1 = texelFetch( batchingTexture, ivec2( x, y ), 0 );
84		vec4 v2 = texelFetch( batchingTexture, ivec2( x + 1, y ), 0 );
85		vec4 v3 = texelFetch( batchingTexture, ivec2( x + 2, y ), 0 );
86		vec4 v4 = texelFetch( batchingTexture, ivec2( x + 3, y ), 0 );
87		return mat4( v1, v2, v3, v4 );
88	}
89	float getIndirectIndex( const in int i ) {
90		int size = textureSize( batchingIdTexture, 0 ).x;
91		int x = i % size;
92		int y = i / size;
93		return float( texelFetch( batchingIdTexture, ivec2( x, y ), 0 ).r );
94	}
95#endif
96#ifdef USE_BATCHING_COLOR
97	uniform sampler2D batchingColorTexture;
98	vec4 getBatchingColor( const in float i ) {
99		int size = textureSize( batchingColorTexture, 0 ).x;
100		int j = int( i );
101		int x = j % size;
102		int y = j / size;
103		return texelFetch( batchingColorTexture, ivec2( x, y ), 0 )

103;
104	}
105#endif`,batching_vertex:`#ifdef USE_BATCHING
106	mat4 batchingMatrix = getBatchingMatrix( getIndirectIndex( gl_DrawID ) );
107#endif`,begin_vertex:`vec3 transformed = vec3( position );
108#ifdef USE_ALPHAHASH
109	vPosition = vec3( position );
110#endif`,beginnormal_vertex:`vec3 objectNormal = vec3( normal );
111#ifdef USE_TANGENT
112	vec3 objectTangent = vec3( tangent.xyz );
113#endif`,bsdfs:`float G_BlinnPhong_Implicit( ) {
114	return 0.25;
115}
116float D_BlinnPhong( const in float shininess, const in float dotNH ) {
117	return RECIPROCAL_PI * ( shininess * 0.5 + 1.0 ) * pow( dotNH, shininess );
118}
119vec3 BRDF_BlinnPhong( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in vec3 specularColor, const in float shininess ) {
120	vec3 halfDir = normalize( lightDir + viewDir );
121	float dotNH = saturate( dot( normal, halfDir ) );
122	float dotVH = saturate( dot( viewDir, halfDir ) );
123	vec3 F = F_Schlick( specularColor, 1.0, dotVH );
124	float G = G_BlinnPhong_Implicit( );
125	float D = D_BlinnPhong( shininess, dotNH );
126	return F * ( G * D );
127} // validated`,iridescence_fragment:`#ifdef USE_IRIDESCENCE
128	const mat3 XYZ_TO_REC709 = mat3(
129		 3.2404542, -0.9692660,  0.0556434,
130		-1.5371385,  1.8760108, -0.2040259,
131		-0.4985314,  0.0415560,  1.0572252
132	);
133	vec3 Fresnel0ToIor( vec3 fresnel0 ) {
134		vec3 sqrtF0 = sqrt( fresnel0 );
135		return ( vec3( 1.0 ) + sqrtF0 ) / ( vec3( 1.0 ) - sqrtF0 );
136	}
137	vec3 IorToFresnel0( vec3 transmittedIor, float incidentIor ) {
138		return pow2( ( transmittedIor - vec3( incidentIor ) ) / ( transmittedIor + vec3( incidentIor ) ) );
139	}
140	float IorToFresnel0( float transmittedIor, float incidentIor ) {
141		return pow2( ( transmittedIor - incidentIor ) / ( transmittedIor + incidentIor ));
142	}
143	vec3 evalSensitivity( float OPD, vec3 shift ) {
144		float phase = 2.0 * PI * OPD * 1.0e-9;
145		vec3 val = vec3( 5.4856e-13, 4.4201e-13, 5.2481e-13 );
146		vec3 pos = vec3( 1.6810e+06, 1.7953e+06, 2.2084e+06 );
147		vec3 var = vec3( 4.3278e+09, 9.3046e+09, 6.6121e+09 );
148		vec3 xyz = val * sqrt( 2.0 * PI * var ) * cos( pos * phase + shift ) * exp( - pow2( phase ) * var );
149		xyz.x += 9.7470e-14 * sqrt( 2.0 * PI * 4.5282e+09 ) * cos( 2.2399e+06 * phase + shift[ 0 ] ) * exp( - 4.5282e+09 * pow2( phase ) );
150		xyz /= 1.0685e-7;
151		vec3 rgb = XYZ_TO_REC709 * xyz;
152		return rgb;
153	}
154	vec3 evalIridescence( float outsideIOR, float eta2, float cosTheta1, float thinFilmThickness, vec3 baseF0 ) {
155		vec3 I;
156		float iridescenceIOR = mix( outsideIOR, eta2, smoothstep( 0.0, 0.03, thinFilmThickness ) );
157		float sinTheta2Sq = pow2( outsideIOR / iridescenceIOR ) * ( 1.0 - pow2( cosTheta1 ) );
158		float cosTheta2Sq = 1.0 - sinTheta2Sq;
159		if ( cosTheta2Sq < 0.0 ) {
160			return vec3( 1.0 );
161		}
162		float cosTheta2 = sqrt( cosTheta2Sq );
163		float R0 = IorToFresnel0( iridescenceIOR, outsideIOR );
164		float R12 = F_Schlick( R0, 1.0, cosTheta1 );
165		float T121 = 1.0 - R12;
166		float phi12 = 0.0;
167		if ( iridescenceIOR < outsideIOR ) phi12 = PI;
168		float phi21 = PI - phi12;
169		vec3 baseIOR = Fresnel0ToIor( clamp( baseF0, 0.0, 0.9999 ) );		vec3 R1 = IorToFresnel0( baseIOR, iridescenceIOR );
170		vec3 R23 = F_Schlick( R1, 1.0, cosTheta2 );
171		vec3 phi23 = vec3( 0.0 );
172		if ( baseIOR[ 0 ] < iridescenceIOR ) phi23[ 0 ] = PI;
173		if ( baseIOR[ 1 ] < iridescenceIOR ) phi23[ 1 ] = PI;
174		if ( baseIOR[ 2 ] < iridescenceIOR ) phi23[ 2 ] = PI;
175		float OPD = 2.0 * iridescenceIOR * thinFilmThickness * cosTheta2;
176		vec3 phi = vec3( phi21 ) + phi23;
177		vec3 R123 = clamp( R12 * R23, 1e-5, 0.9999 );
178		vec3 r123 = sqrt( R123 );
179		vec3 Rs = pow2( T121 ) * R23 / ( vec3( 1.0 ) - R123 );
180		vec3 C0 = R12 + Rs;
181		I = C0;
182		vec3 Cm = Rs - T121;
183		for ( int m = 1; m <= 2; ++ m ) {
184			Cm *= r123;
185			vec3 Sm = 2.0 * evalSensitivity( float( m ) * OPD, float( m ) * phi );
186			I += Cm * Sm;
187		}
188		return max( I, vec3( 0.0 ) );
189	}
190#endif`,bumpmap_pars_fragment:`#ifdef USE_BUMPMAP
191	uniform sampler2D bumpMap;
192	uniform float bumpScale;
193	vec2 dHdxy_fwd() {
194		vec2 dSTdx = dFdx( vBumpMapUv );
195		vec2 dSTdy = dFdy( vBumpMapUv );
196		float Hll = bumpScale * texture2D( bumpMap, vBumpMapUv ).x;
197		float dBx = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdx ).x - Hll;
198		float dBy = bumpScale * texture2D( bumpMap, vBumpMapUv + dSTdy ).x - Hll;
199		return vec2( dBx, dBy );
200	}
201	vec3 perturbNormalArb( vec3 surf_pos, vec3 surf_norm, vec2 dHdxy, float faceDirection ) {
202		vec3 vSigmaX = normalize( dFdx( surf_pos.xyz ) );
203		vec3 vSigmaY = normalize( dFdy( surf_pos.xyz ) );
204		vec3 vN = surf_norm;
205		vec3 R1 = cross( vSigmaY, vN );
206		vec3 R2 = cross( vN, vSigmaX );
207		float fDet = dot( vSigmaX, R1 ) * faceDirection;
208		vec3 vGrad = sign( fDet ) * ( dHdxy.x * R1 + dHdxy.y * R2 );
209		return normalize( abs( fDet ) * surf_norm - vGrad );
210	}
211#endif`,clipping_planes_fragment:`#if NUM_CLIPPING_PLANES > 0
212	vec4 plane;
213	#ifdef ALPHA_TO_COVERAGE
214		float distanceToPlane, distanceGradient;
215		float clipOpacity = 1.0;
216		#pragma unroll_loop_start
217		for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {
218			plane = clippingPlanes[ i ];
219			distanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;
220			distanceGradient = fwidth( distanceToPlane ) / 2.0;
221			clipOpacity *= smoothstep( - distanceGradient, distanceGradient, distanceToPlane );
222			if ( clipOpacity == 0.0 ) discard;
223		}
224		#pragma unroll_loop_end
225		#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES
226			float unionClipOpacity = 1.0;
227			#pragma unroll_loop_start
228			for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {
229				plane = clippingPlanes[ i ];
230				distanceToPlane = - dot( vClipPosition, plane.xyz ) + plane.w;
231				distanceGradient = fwidth( distanceToPlane ) / 2.0;
232				unionClipOpacity *= 1.0 - smoothstep( - distanceGradient, distanceGradient, distanceToPlane );
233			}
234			#pragma unroll_loop_end
235			clipOpacity *= 1.0 - unionClipOpacity;
236		#endif
237		diffuseColor.a *= clipOpacity;
238		if ( diffuseColor.a == 0.0 ) discard;
239	#else
240		#pragma unroll_loop_start
241		for ( int i = 0; i < UNION_CLIPPING_PLANES; i ++ ) {
242			plane = clippingPlanes[ i ];
243			if ( dot( vClipPosition, plane.xyz ) > plane.w ) discard;
244		}
245		#pragma unroll_loop_end
246		#if UNION_CLIPPING_PLANES < NUM_CLIPPING_PLANES
247			bool clipped = true;
248			#pragma unroll_loop_start
249			for ( int i = UNION_CLIPPING_PLANES; i < NUM_CLIPPING_PLANES; i ++ ) {
250				plane = clippingPlanes[ i ];
251				clipped = ( dot( vClipPosition, plane.xyz ) > plane.w ) && clipped;
252			}
253			#pragma unroll_loop_end
254			if ( clipped ) discard;
255		#endif
256	#endif
257#endif`,clipping_planes_pars_fragment:`#if NUM_CLIPPING_PLANES > 0
258	varying vec3 vClipPosition;
259	uniform vec4 clippingPlanes[ NUM_CLIPPING_PLANES ];
260#endif`,clipping_planes_pars_vertex:`#if NUM_CLIPPING_PLANES > 0
261	varying vec3 vClipPosition;
262#endif`,clipping_planes_vertex:`#if NUM_CLIPPING_PLANES > 0
263	vClipPosition = - mvPosition.xyz;
264#endif`,color_fragment:`#if defined( USE_COLOR

965;
966	}
967	float D_GGX_Anisotropic( const in float alphaT, const in float alphaB, const in float dotNH, const in float dotTH, const in float dotBH ) {
968		float a2 = alphaT * alphaB;
969		highp vec3 v = vec3( alphaB * dotTH, alphaT * dotBH, a2 * dotNH );
970		highp float v2 = dot( v, v );
971		float w2 = a2 / v2;
972		return RECIPROCAL_PI * a2 * pow2 ( w2 );
973	}
974#endif
975#ifdef USE_CLEARCOAT
976	vec3 BRDF_GGX_Clearcoat( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material) {
977		vec3 f0 = material.clearcoatF0;
978		float f90 = material.clearcoatF90;
979		float roughness = material.clearcoatRoughness;
980		float alpha = pow2( roughness );
981		vec3 halfDir = normalize( lightDir + viewDir );
982		float dotNL = saturate( dot( normal, lightDir ) );
983		float dotNV = saturate( dot( normal, viewDir ) );
984		float dotNH = saturate( dot( normal, halfDir ) );
985		float dotVH = saturate( dot( viewDir, halfDir ) );
986		vec3 F = F_Schlick( f0, f90, dotVH );
987		float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );
988		float D = D_GGX( alpha, dotNH );
989		return F * ( V * D );
990	}
991#endif
992vec3 BRDF_GGX( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {
993	vec3 f0 = material.specularColorBlended;
994	float f90 = material.specularF90;
995	float roughness = material.roughness;
996	float alpha = pow2( roughness );
997	vec3 halfDir = normalize( lightDir + viewDir );
998	float dotNL = saturate( dot( normal, lightDir ) );
999	float dotNV = saturate( dot( normal, viewDir ) );
1000	float dotNH = saturate( dot( normal, halfDir ) );
1001	float dotVH = saturate( dot( viewDir, halfDir ) );
1002	vec3 F = F_Schlick( f0, f90, dotVH );
1003	#ifdef USE_IRIDESCENCE
1004		F = mix( F, material.iridescenceFresnel, material.iridescence );
1005	#endif
1006	#ifdef USE_ANISOTROPY
1007		float dotTL = dot( material.anisotropyT, lightDir );
1008		float dotTV = dot( material.anisotropyT, viewDir );
1009		float dotTH = dot( material.anisotropyT, halfDir );
1010		float dotBL = dot( material.anisotropyB, lightDir );
1011		float dotBV = dot( material.anisotropyB, viewDir );
1012		float dotBH = dot( material.anisotropyB, halfDir );
1013		float V = V_GGX_SmithCorrelated_Anisotropic( material.alphaT, alpha, dotTV, dotBV, dotTL, dotBL, dotNV, dotNL );
1014		float D = D_GGX_Anisotropic( material.alphaT, alpha, dotNH, dotTH, dotBH );
1015	#else
1016		float V = V_GGX_SmithCorrelated( alpha, dotNL, dotNV );
1017		float D = D_GGX( alpha, dotNH );
1018	#endif
1019	return F * ( V * D );
1020}
1021vec2 LTC_Uv( const in vec3 N, const in vec3 V, const in float roughness ) {
1022	const float LUT_SIZE = 64.0;
1023	const float LUT_SCALE = ( LUT_SIZE - 1.0 ) / LUT_SIZE;
1024	const float LUT_BIAS = 0.5 / LUT_SIZE;
1025	float dotNV = saturate( dot( N, V ) );
1026	vec2 uv = vec2( roughness, sqrt( 1.0 - dotNV ) );
1027	uv = uv * LUT_SCALE + LUT_BIAS;
1028	return uv;
1029}
1030float LTC_ClippedSphereFormFactor( const in vec3 f ) {
1031	float l = length( f );
1032	return max( ( l * l + f.z ) / ( l + 1.0 ), 0.0 );
1033}
1034vec3 LTC_EdgeVectorFormFactor( const in vec3 v1, const in vec3 v2 ) {
1035	float x = dot( v1, v2 );
1036	float y = abs( x );
1037	float a = 0.8543985 + ( 0.4965155 + 0.0145206 * y ) * y;
1038	float b = 3.4175940 + ( 4.1616724 + y ) * y;
1039	float v = a / b;
1040	float theta_sintheta = ( x >

1040 0.0 ) ? v : 0.5 * inversesqrt( max( 1.0 - x * x, 1e-7 ) ) - v;
1041	return cross( v1, v2 ) * theta_sintheta;
1042}
1043vec3 LTC_Evaluate( const in vec3 N, const in vec3 V, const in vec3 P, const in mat3 mInv, const in vec3 rectCoords[ 4 ] ) {
1044	vec3 v1 = rectCoords[ 1 ] - rectCoords[ 0 ];
1045	vec3 v2 = rectCoords[ 3 ] - rectCoords[ 0 ];
1046	vec3 lightNormal = cross( v1, v2 );
1047	if( dot( lightNormal, P - rectCoords[ 0 ] ) < 0.0 ) return vec3( 0.0 );
1048	vec3 T1, T2;
1049	T1 = normalize( V - N * dot( V, N ) );
1050	T2 = - cross( N, T1 );
1051	mat3 mat = mInv * transpose( mat3( T1, T2, N ) );
1052	vec3 coords[ 4 ];
1053	coords[ 0 ] = mat * ( rectCoords[ 0 ] - P );
1054	coords[ 1 ] = mat * ( rectCoords[ 1 ] - P );
1055	coords[ 2 ] = mat * ( rectCoords[ 2 ] - P );
1056	coords[ 3 ] = mat * ( rectCoords[ 3 ] - P );
1057	coords[ 0 ] = normalize( coords[ 0 ] );
1058	coords[ 1 ] = normalize( coords[ 1 ] );
1059	coords[ 2 ] = normalize( coords[ 2 ] );
1060	coords[ 3 ] = normalize( coords[ 3 ] );
1061	vec3 vectorFormFactor = vec3( 0.0 );
1062	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 0 ], coords[ 1 ] );
1063	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 1 ], coords[ 2 ] );
1064	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 2 ], coords[ 3 ] );
1065	vectorFormFactor += LTC_EdgeVectorFormFactor( coords[ 3 ], coords[ 0 ] );
1066	float result = LTC_ClippedSphereFormFactor( vectorFormFactor );
1067	return vec3( result );
1068}
1069#if defined( USE_SHEEN )
1070float D_Charlie( float roughness, float dotNH ) {
1071	float alpha = pow2( roughness );
1072	float invAlpha = 1.0 / alpha;
1073	float cos2h = dotNH * dotNH;
1074	float sin2h = max( 1.0 - cos2h, 0.0078125 );
1075	return ( 2.0 + invAlpha ) * pow( sin2h, invAlpha * 0.5 ) / ( 2.0 * PI );
1076}
1077float V_Neubelt( float dotNV, float dotNL ) {
1078	return saturate( 1.0 / ( 4.0 * ( dotNL + dotNV - dotNL * dotNV ) ) );
1079}
1080vec3 BRDF_Sheen( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, vec3 sheenColor, const in float sheenRoughness ) {
1081	vec3 halfDir = normalize( lightDir + viewDir );
1082	float dotNL = saturate( dot( normal, lightDir ) );
1083	float dotNV = saturate( dot( normal, viewDir ) );
1084	float dotNH = saturate( dot( normal, halfDir ) );
1085	float D = D_Charlie( sheenRoughness, dotNH );
1086	float V = V_Neubelt( dotNV, dotNL );
1087	return sheenColor * ( D * V );
1088}
1089#endif
1090float IBLSheenBRDF( const in vec3 normal, const in vec3 viewDir, const in float roughness ) {
1091	float dotNV = saturate( dot( normal, viewDir ) );
1092	float r2 = roughness * roughness;
1093	float rInv = 1.0 / ( roughness + 0.1 );
1094	float a = -1.9362 + 1.0678 * roughness + 0.4573 * r2 - 0.8469 * rInv;
1095	float b = -0.6014 + 0.5538 * roughness - 0.4670 * r2 - 0.1255 * rInv;
1096	float DG = exp( a * dotNV + b );
1097	return saturate( DG );
1098}
1099vec3 EnvironmentBRDF( const in vec3 normal, const in vec3 viewDir, const in vec3 specularColor, const in float specularF90, const in float roughness ) {
1100	float dotNV = saturate( dot( normal, viewDir ) );
1101	vec2 fab = texture2D( dfgLUT, vec2( roughness, dotNV ) ).rg;
1102	return specularColor * fab.x + specularF90 * fab.y;
1103}
1104#ifdef USE_IRIDESCENCE
1105void 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 ) {
1106#else
1107void 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 ) {
1108#endif
1109	float dotNV = saturate( dot( normal, viewDir ) );
1110	vec2 fab = texture2D( dfgLUT, vec2( roughness, dotNV ) ).rg;
1111	#ifdef USE_IRIDESCENCE
1112		vec3 Fr = mix( specularColor, iridescenceF0, iridescence );
1113	#else
1114		vec3 Fr = specularColor;
1115	#endif
1116	vec3 FssEss = Fr * fab.x + specularF90 * fab.y;
1117	float Ess = fab.x + fab.y;
1118	float Ems = 1.0 - Ess;
1119	vec3 Favg = Fr + ( 1.0 - Fr ) * 0.047619;	vec3 Fms = FssEss * Favg / ( 1.0 - Ems * Favg );
1120	singleScatter += FssEss;
1121	multiScatter += Fms * Ems;
1122}
1123vec3 BRDF_GGX_Multiscatter( const in vec3 lightDir, const in vec3 viewDir, const in vec3 normal, const in PhysicalMaterial material ) {
1124	vec3 singleScatter = BRDF_GGX( lightDir, viewDir, normal, material );

1125	float dotNL = saturate( dot( normal, lightDir ) );
1126	float dotNV = saturate( dot( normal, viewDir ) );
1127	vec2 dfgV = texture2D( dfgLUT, vec2( material.roughness, dotNV ) ).rg;
1128	vec2 dfgL = texture2D( dfgLUT, vec2( material.roughness, dotNL ) ).rg;
1129	vec3 FssEss_V = material.specularColorBlended * dfgV.x + material.specularF90 * dfgV.y;
1130	vec3 FssEss_L = material.specularColorBlended * dfgL.x + material.specularF90 * dfgL.y;
1131	float Ess_V = dfgV.x + dfgV.y;
1132	float Ess_L = dfgL.x + dfgL.y;
1133	float Ems_V = 1.0 - Ess_V;
1134	float Ems_L = 1.0 - Ess_L;
1135	vec3 Favg = material.specularColorBlended + ( 1.0 - material.specularColorBlended ) * 0.047619;
1136	vec3 Fms = FssEss_V * FssEss_L * Favg / ( 1.0 - Ems_V * Ems_L * Favg + EPSILON );
1137	float compensationFactor = Ems_V * Ems_L;
1138	vec3 multiScatter = Fms * compensationFactor;
1139	return singleScatter + multiScatter;
1140}
1141#if NUM_RECT_AREA_LIGHTS > 0
1142	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 ) {
1143		vec3 normal = geometryNormal;
1144		vec3 viewDir = geometryViewDir;
1145		vec3 position = geometryPosition;
1146		vec3 lightPos = rectAreaLight.position;
1147		vec3 halfWidth = rectAreaLight.halfWidth;
1148		vec3 halfHeight = rectAreaLight.halfHeight;
1149		vec3 lightColor = rectAreaLight.color;
1150		float roughness = material.roughness;
1151		vec3 rectCoords[ 4 ];
1152		rectCoords[ 0 ] = lightPos + halfWidth - halfHeight;		rectCoords[ 1 ] = lightPos - halfWidth - halfHeight;
1153		rectCoords[ 2 ] = lightPos - halfWidth + halfHeight;
1154		rectCoords[ 3 ] = lightPos + halfWidth + halfHeight;
1155		vec2 uv = LTC_Uv( normal, viewDir, roughness );
1156		vec4 t1 = texture2D( ltc_1, uv );
1157		vec4 t2 = texture2D( ltc_2, uv );
1158		mat3 mInv = mat3(
1159			vec3( t1.x, 0, t1.y ),
1160			vec3(    0, 1,    0 ),
1161			vec3( t1.z, 0, t1.w )
1162		);
1163		vec3 fresnel = ( material.specularColorBlended * t2.x + ( material.specularF90 - material.specularColorBlended ) * t2.y );
1164		reflectedLight.directSpecular += lightColor * fresnel * LTC_Evaluate( normal, viewDir, position, mInv, rectCoords );
1165		reflectedLight.directDiffuse += lightColor * material.diffuseContribution * LTC_Evaluate( normal, viewDir, position, mat3( 1.0 ), rectCoords );
1166		#ifdef USE_CLEARCOAT
1167			vec3 Ncc = geometryClearcoatNormal;
1168			vec2 uvClearcoat = LTC_Uv( Ncc, viewDir, material.clearcoatRoughness );
1169			vec4 t1Clearcoat = texture2D( ltc_1, uvClearcoat );
1170			vec4 t2Clearcoat = texture2D( ltc_2, uvClearcoat );
1171			mat3 mInvClearcoat = mat3(
1172				vec3( t1Clearcoat.x, 0, t1Clearcoat.y ),
1173				vec3(             0, 1,             0 ),
1174				vec3( t1Clearcoat.z, 0, t1Clearcoat.w )
1175			);
1176			vec3 fresnelClearcoat = material.clearcoatF0 * t2Clearcoat.x + ( material.clearcoatF90 - material.clearcoatF0 ) * t2Clearcoat.y;
1177			clearcoatSpecularDirect += lightColor * fresnelClearcoat * LTC_Evaluate( Ncc, viewDir, position, mInvClearcoat, rectCoords );
1178		#endif
1179	}
1180#endif
1181void 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 ) {
1182	float dotNL = saturate( dot( geometryNormal, directLight.direction ) );
1183	vec3 irradiance = dotNL * directLight.color;
1184	#ifdef USE_CLEARCOAT
1185		float dotNLcc = saturate( dot( geometryClearcoatNormal, directLight.direction ) );
1186		vec3 ccIrradiance = dotNLcc * directLight.color;
1187		clearcoatSpecularDirect += ccIrradiance * BRDF_GGX_Clearcoat( directLight.direction, geometryViewDir, geometryClearcoatNormal, material );
1188	#endif
1189	#ifdef USE_SHEEN
1190 
1191 		sheenSpecularDirect += irradiance * BRDF_Sheen( directLight.direction, geometryViewDir, geometryNormal, material.sheenColor, material.sheenRoughness );
1192 
1193 		float sheenAlbedoV = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );
1194 		float sheenAlbedoL = IBLSheenBRDF( geometryNormal, directLight.direction, material.sheenRoughness );
1195 
1196 		float sheenEnergyComp = 1.0 - max3( material.sheenColor ) * max( sheenAlbedoV, sheenAlbedoL );
1197 
1198 		irradiance *= sheenEnergyComp;
1199 
1200 	#endif
1201	reflectedLight.directSpecular += irradiance * BRDF_GGX_Multiscatter( directLight.direction, geometryViewDir, geometryNormal, material );
1202	reflectedLight.directDiffuse += irradiance * BRDF_Lambert( material.diffuseContribution );
1203}
1204void 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 ) {
1205	vec3 diffuse = irradiance * BRDF_Lambert( material.diffuseContribution );
1206	#ifdef USE_SHEEN
1207		float sheenAlbedo = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );
1208		float sheenEnergyComp = 1.0 - max3( material.sheenColor ) * sheenAlbedo;
1209		diffuse *= sheenEnergyComp;
1210	#endif
1211	reflectedLight.indirectDiffuse += diffuse;
1212}
1213void 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) {
1214	#ifdef USE_CLEARCOAT
1215		clearcoatSpecularIndirect += clearcoatRadiance * EnvironmentBRDF( geometryClearcoatNormal, geometryViewDir, material.clearcoatF0, material.clearcoatF90, material.clearcoatRoughness );
1216	#endif
1217	#ifdef USE_SHEEN
1218		sheenSpecularIndirect += irradiance * material.sheenColor * IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness ) * RECIPROCAL_PI;
1219 	#endif
1220	vec3 singleScatteringDielectric = vec3( 0.0 );
1221	vec3 multiScatteringDielectric = vec3( 0.0 );
1222	vec3 singleScatteringMetallic = vec3( 0.0 );
1223	vec3 multiScatteringMetallic = vec3( 0.0 );

1224	#ifdef USE_IRIDESCENCE
1225		computeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.iridescence, material.iridescenceFresnelDielectric, material.roughness, singleScatteringDielectric, multiScatteringDielectric );
1226		computeMultiscatteringIridescence( geometryNormal, geometryViewDir, material.diffuseColor, material.specularF90, material.iridescence, material.iridescenceFresnelMetallic, material.roughness, singleScatteringMetallic, multiScatteringMetallic );
1227	#else
1228		computeMultiscattering( geometryNormal, geometryViewDir, material.specularColor, material.specularF90, material.roughness, singleScatteringDielectric, multiScatteringDielectric );
1229		computeMultiscattering( geometryNormal, geometryViewDir, material.diffuseColor, material.specularF90, material.roughness, singleScatteringMetallic, multiScatteringMetallic );
1230	#endif
1231	vec3 singleScattering = mix( singleScatteringDielectric, singleScatteringMetallic, material.metalness );
1232	vec3 multiScattering = mix( multiScatteringDielectric, multiScatteringMetallic, material.metalness );
1233	vec3 totalScatteringDielectric = singleScatteringDielectric + multiScatteringDielectric;
1234	vec3 diffuse = material.diffuseContribution * ( 1.0 - totalScatteringDielectric );
1235	vec3 cosineWeightedIrradiance = irradiance * RECIPROCAL_PI;
1236	vec3 indirectSpecular = radiance * singleScattering;
1237	indirectSpecular += multiScattering * cosineWeightedIrradiance;
1238	vec3 indirectDiffuse = diffuse * cosineWeightedIrradiance;
1239	#ifdef USE_SHEEN
1240		float sheenAlbedo = IBLSheenBRDF( geometryNormal, geometryViewDir, material.sheenRoughness );
1241		float sheenEnergyComp = 1.0 - max3( material.sheenColor ) * sheenAlbedo;
1242		indirectSpecular *= sheenEnergyComp;
1243		indirectDiffuse *= sheenEnergyComp;
1244	#endif
1245	reflectedLight.indirectSpecular += indirectSpecular;
1246	reflectedLight.indirectDiffuse += indirectDiffuse;
1247}
1248#define RE_Direct				RE_Direct_Physical
1249#define RE_Direct_RectArea		RE_Direct_RectArea_Physical
1250#define RE_IndirectDiffuse		RE_IndirectDiffuse_Physical
1251#define RE_IndirectSpecular		RE_IndirectSpecular_Physical
1252float computeSpecularOcclusion( const in float dotNV, const in float ambientOcclusion, const in float roughness ) {
1253	return saturate( pow( dotNV + ambientOcclusion, exp2( - 16.0 * roughness - 1.0 ) ) - 1.0 + ambientOcclusion );
1254}`,lights_fragment_begin:`
1255vec3 geometryPosition = - vViewPosition;
1256vec3 geometryNormal = normal;
1257vec3 geometryViewDir = ( isOrthographic ) ? vec3( 0, 0, 1 ) : normalize( vViewPosition );
1258vec3 geometryClearcoatNormal = vec3( 0.0 );
1259#ifdef USE_CLEARCOAT
1260	geometryClearcoatNormal = clearcoatNormal;
1261#endif
1262#ifdef USE_IRIDESCENCE
1263	float dotNVi = saturate( dot( normal, geometryViewDir ) );
1264	if ( material.iridescenceThickness == 0.0 ) {
1265		material.iridescence = 0.0;
1266	} else {
1267		material.iridescence = saturate( material.iridescence );
1268	}
1269	if ( material.iridescence > 0.0 ) {
1270		material.iridescenceFresnelDielectric = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.specularColor );
1271		material.iridescenceFresnelMetallic = evalIridescence( 1.0, material.iridescenceIOR, dotNVi, material.iridescenceThickness, material.diffuseColor );
1272		material.iridescenceFresnel = mix( material.iridescenceFresnelDielectric, material.iridescenceFresnelMetallic, material.metalness );
1273		material.iridescenceF0 = Schlick_to_F0( material.iridescenceFresnel, 1.0, dotNVi );
1274	}
1275#endif
1276IncidentLight directLight;
1277#if ( NUM_POINT_LIGHTS > 0 ) && defined( RE_Direct )
1278	PointLight pointLight;
1279	#if defined( USE_SHADOWMAP ) && NUM_POINT_LIGHT_SHADOWS > 0
1280	PointLightShadow pointLightShadow;
1281	#endif
1282	#pragma unroll_loop_start
1283	for ( int i = 0; i < NUM_POINT_LIGHTS; i ++ ) {
1284		pointLight = pointLights[ i ];
1285		getPointLightInfo( pointLight, geometryPosition, directLight );
1286		#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_POINT_LIGHT_SHADOWS ) && ( defined( SHADOWMAP_TYPE_PCF ) || defined( SHADOWMAP_TYPE_BASIC ) )
1287		pointLightShadow = pointLightShadows[ i ];
1288		directLight.color *= ( directLight.visible && receiveShadow ) ? getPointShadow( pointShadowMap[ i ], pointLightShadow.shadowMapSize, pointLightShadow.shadowIntensity, pointLightShadow.shadowBias, pointLightShadow.shadowRadius, vPointShadowCoord[ i ], pointLightShadow.shadowCameraNear, pointLightShadow.shadowCameraFar ) : 1.0;
1289		#endif
1290		RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );
1291	}
1292	#pragma unroll_loop_end
1293#endif
1294#if ( NUM_SPOT_LIGHTS > 0 ) && defined( RE_Direct )
1295	SpotLight spotLight;
1296	vec4 spotColor;
1297	vec3 spotLightCoord;
1298	bool inSpotLightMap;
1299	#if defined( USE_SHADOWMAP ) && NUM_SPOT_LIGHT_SHADOWS > 0
1300	SpotLightShadow spotLightShadow;
1301	#endif
1302	#pragma unroll_loop_start
1303	for ( int i = 0; i < NUM_SPOT_LIGHTS; i ++ ) {
1304		spotLight = spotLights[ i ];
1305		getSpotLightInfo( spotLight, geometryPosition, directLight );
1306		#if ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )
1307		#define SPOT_LIGHT_MAP_INDEX UNROLLED_LOOP_INDEX
1308		#elif ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )
1309		#define SPOT_LIGHT_MAP_INDEX NUM_SPOT_LIGHT_MAPS
1310		#else
1311		#define SPOT_LIGHT_MAP_INDEX ( UNROLLED_LOOP_INDEX - NUM_SPOT_LIGHT_SHADOWS + NUM_SPOT_LIGHT_SHADOWS_WITH_MAPS )
1312		#endif
1313		#if ( SPOT_LIGHT_MAP_INDEX < NUM_SPOT_LIGHT_MAPS )
1314			spotLightCoord = vSpotLightCoord[ i ].xyz / vSpotLightCoord[ i ].w;
1315			inSpotLightMap = all( lessThan( abs( spotLightCoord * 2. - 1. ), vec3( 1.0 ) ) );
1316			spotColor = texture2D( spotLightMap[ SPOT_LIGHT_MAP_INDEX ], spotLightCoord.xy );
1317			directLight.color = inSpotLightMap ? directLight.color * spotColor.rgb : directLight.color;
1318		#endif
1319		#undef SPOT_LIGHT_MAP_INDEX
1320		#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_SPOT_LIGHT_SHADOWS )
1321		spotLightShadow = spotLightShadows[ i ];
1322		directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( spotShadowMap[ i ], spotLightShadow.shadowMapSize, spotLightShadow.shadowIntensity, spotLightShadow.shadowBias, spotLightShadow.shadowRadius, vSpotLightCoord[ i ] ) : 1.0;
1323		#endif
1324		RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );
1325	}
1326	#pragma unroll_loop_end
1327#endif
1328#if ( NUM_DIR_LIGHTS > 0 ) && defined( RE_Direct )
1329	DirectionalLight directionalLight;
1330	#if defined( USE_SHADOWMAP ) && NUM_DIR_LIGHT_SHADOWS > 0
1331	DirectionalLightShadow directionalLightShadow;
1332	#endif
1333	#pragma unroll_loop_start
1334	for ( int i = 0; i < NUM_DIR_LIGHTS; i ++ ) {
1335		directionalLight = directionalLights[ i ];
1336		getDirectionalLightInfo( directionalLight, directLight );
1337		#if defined( USE_SHADOWMAP ) && ( UNROLLED_LOOP_INDEX < NUM_DIR_LIGHT_SHADOWS )
1338		directionalLightShadow = directionalLightShadows[ i ];
1339		directLight.color *= ( directLight.visible && receiveShadow ) ? getShadow( directionalShadowMap[ i ], directionalLightShadow.shadowMapSize, directionalLightShadow.shadowIntensity, directionalLightShadow.shadowBias, directionalLightShadow.shadowRadius, vDirectionalShadowCoord[ i ] ) : 1.0;
1340		#endif
1341		RE_Direct( directLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );
1342	}
1343	#pragma unroll_loop_end
1344#endif
1345#if ( NUM_RECT_AREA_LIGHTS > 0 ) && defined( RE_Direct_RectArea )
1346	RectAreaLight rectAreaLight;
1347	#pragma unroll_loop_start
1348	for ( int i = 0; i < NUM_RECT_AREA_LIGHTS; i ++ ) {
1349		rectAreaLight = rectAreaLights[ i ];
1350		RE_Direct_RectArea( rectAreaLight, geometryPosition, geometryNormal, geometryViewDir, geometryClearcoatNormal, material, reflectedLight );
1351	}
1352	#pragma unroll_loop_end
1353#endif
1354#if defined( RE_IndirectDiffuse )
1355	vec3 iblIrradiance = vec3( 0.0 );
1356	vec3 irradiance = getAmbientLightIrradiance( ambientLightColor );
1357	#if defined( USE_LIGHT_PROBES )
1358		irradiance += getLightProbeIrradiance( lightProbe, geometryNormal );
1359	#endif
1360	#if ( NUM_HEMI_LIGHTS > 0 )
1361		#pragma unroll_loop_start
1362		for ( int i = 0; i < NUM_HEMI_LIGHTS; i ++ ) {
1363			irradiance += getHemisphereLightIrradiance( hemisphereLights[ i ], geometryNormal );
1364		}
1365		#pragma unroll_loop_end
1366	#endif

2242, material.specularF90,
2243		pos, modelMatrix, viewMatrix, projectionMatrix, material.dispersion, material.ior, material.thickness,
2244		material.attenuationColor, material.attenuationDistance );
2245	material.transmissionAlpha = mix( material.transmissionAlpha, transmitted.a, material.transmission );
2246	totalDiffuse = mix( totalDiffuse, transmitted.rgb, material.transmission );
2247#endif`,transmission_pars_fragment:`#ifdef USE_TRANSMISSION
2248	uniform float transmission;
2249	uniform float thickness;
2250	uniform float attenuationDistance;
2251	uniform vec3 attenuationColor;
2252	#ifdef USE_TRANSMISSIONMAP
2253		uniform sampler2D transmissionMap;
2254	#endif
2255	#ifdef USE_THICKNESSMAP
2256		uniform sampler2D thicknessMap;
2257	#endif
2258	uniform vec2 transmissionSamplerSize;
2259	uniform sampler2D transmissionSamplerMap;
2260	uniform mat4 modelMatrix;
2261	uniform mat4 projectionMatrix;
2262	varying vec3 vWorldPosition;
2263	float w0( float a ) {
2264		return ( 1.0 / 6.0 ) * ( a * ( a * ( - a + 3.0 ) - 3.0 ) + 1.0 );
2265	}
2266	float w1( float a ) {
2267		return ( 1.0 / 6.0 ) * ( a *  a * ( 3.0 * a - 6.0 ) + 4.0 );
2268	}
2269	float w2( float a ){
2270		return ( 1.0 / 6.0 ) * ( a * ( a * ( - 3.0 * a + 3.0 ) + 3.0 ) + 1.0 );
2271	}
2272	float w3( float a ) {
2273		return ( 1.0 / 6.0 ) * ( a * a * a );
2274	}
2275	float g0( float a ) {
2276		return w0( a ) + w1( a );
2277	}
2278	float g1( float a ) {
2279		return w2( a ) + w3( a );
2280	}
2281	float h0( float a ) {
2282		return - 1.0 + w1( a ) / ( w0( a ) + w1( a ) );
2283	}
2284	float h1( float a ) {
2285		return 1.0 + w3( a ) / ( w2( a ) + w3( a ) );
2286	}
2287	vec4 bicubic( sampler2D tex, vec2 uv, vec4 texelSize, float lod ) {
2288		uv = uv * texelSize.zw + 0.5;
2289		vec2 iuv = floor( uv );
2290		vec2 fuv = fract( uv );
2291		float g0x = g0( fuv.x );
2292		float g1x = g1( fuv.x );
2293		float h0x = h0( fuv.x );
2294		float h1x = h1( fuv.x );
2295		float h0y = h0( fuv.y );
2296		float h1y = h1( fuv.y );
2297		vec2 p0 = ( vec2( iuv.x + h0x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;
2298		vec2 p1 = ( vec2( iuv.x + h1x, iuv.y + h0y ) - 0.5 ) * texelSize.xy;
2299		vec2 p2 = ( vec2( iuv.x + h0x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;
2300		vec2 p3 = ( vec2( iuv.x + h1x, iuv.y + h1y ) - 0.5 ) * texelSize.xy;
2301		return g0( fuv.y ) * ( g0x * textureLod( tex, p0, lod ) + g1x * textureLod( tex, p1, lod ) ) +
2302			g1( fuv.y ) * ( g0x * textureLod( tex, p2, lod ) + g1x * textureLod( tex, p3, lod ) );
2303	}
2304	vec4 textureBicubic( sampler2D sampler, vec2 uv, float lod ) {
2305		vec2 fLodSize = vec2( textureSize( sampler, int( lod ) ) );
2306		vec2 cLodSize = vec2( textureSize( sampler, int( lod + 1.0 ) ) );
2307		vec2 fLodSizeInv = 1.0 / fLodSize;
2308		vec2 cLodSizeInv = 1.0 / cLodSize;
2309		vec4 fSample = bicubic( sampler, uv, vec4( fLodSizeInv, fLodSize ), floor( lod ) );
2310		vec4 cSample = bicubic( sampler, uv, vec4( cLodSizeInv, cLodSize ), ceil( lod ) );
2311		return mix( fSample, cSample, fract( lod ) );
2312	}
2313	vec3 getVolumeTransmissionRay( const in vec3 n, const in vec3 v, const in float thickness, const in float ior, const in mat4 modelMatrix ) {
2314		vec3 refractionVector = refract( - v, normalize( n ), 1.0 / ior );
2315		vec3 modelScale;
2316		modelScale.x = length( vec3( modelMatrix[ 0 ].xyz ) );
2317		modelScale.y = length( vec3( modelMatrix[ 1 ].xyz ) );
2318		modelScale.z = length( vec3( modelMatrix[ 2 ].xyz ) );
2319		return normalize( refractionVector ) * thickness * modelScale;
2320	}
2321	float applyIorToRoughness( const in float roughness, const in float ior ) {
2322		return roughness * clamp( ior * 2.0 - 2.0, 0.0, 1.0 );
2323	}
2324	vec4 getTransmissionSample( const in vec2 fragCoord, const in float roughness, const in float ior ) {
2325		float lod = log2( transmissionSamplerSize.x ) * applyIorToRoughness( roughness, ior );
2326		return textureBicubic( transmissionSamplerMap, fragCoord.xy, lod );
2327	}
2328	vec3 volumeAttenuation( const in float transmissionDistance, const in vec3 attenuationColor, const in float attenuationDistance ) {
2329		if ( isinf( attenuationDistance ) ) {
2330			return vec3( 1.0 );
2331		} else {
2332			vec3 attenuationCoefficient = -log( attenuationColor ) / attenuationDistance;
2333			vec3 transmittance = exp( - attenuationCoefficient * transmissionDistance );			return transmittance;
2334		}
2335	}
2336	vec4 getIBLVolumeRefraction( const in vec3 n, const in vec3 v, const in float roughness, const in vec3 diffuseColor,
2337		const in vec3 specularColor, const in float specularF90, const in vec3 position, const in mat4 modelMatrix,
2338		const in mat4 viewMatrix, const in mat4 projMatrix, const in float dispersion, const in float ior, const in float thickness,
2339		const in vec3 attenuationColor, const in float attenuationDistance ) {
2340		vec4 transmittedLight;
2341		vec3 transmittance;
2342		#ifdef USE_DISPERSION
2343			float halfSpread = ( ior - 1.0 ) * 0.025 * dispersion;
2344			vec3 iors = vec3( ior - halfSpread, ior, ior + halfSpread );
2345			for ( int i = 0; i < 3; i ++ ) {
2346				vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, iors[ i ], modelMatrix );
2347				vec3 refractedRayExit = position + transmissionRay;
2348				vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );
2349				vec2 refractionCoords = ndcPos.xy / ndcPos.w;
2350				refractionCoords += 1.0;
2351				refractionCoords /= 2.0;
2352				vec4 transmissionSample = getTransmissionSample( refractionCoords, roughness, iors[ i ] );
2353				transmittedLight[ i ] = transmissionSample[ i ];
2354				transmittedLight.a += transmissionSample.a;
2355				transmittance[ i ] = diffuseColor[ i ] * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance )[ i ];
2356			}
2357			transmittedLight.a /= 3.0;
2358		#else
2359			vec3 transmissionRay = getVolumeTransmissionRay( n, v, thickness, ior, modelMatrix );
2360			vec3 refractedRayExit = position + transmissionRay;
2361			vec4 ndcPos = projMatrix * viewMatrix * vec4( refractedRayExit, 1.0 );
2362			vec2 refractionCoords = ndcPos.xy / ndcPos.w;
2363			refractionCoords += 1.0;
2364			refractionCoords /= 2.0;
2365			transmittedLight = getTransmissionSample( refractionCoords, roughness, ior );
2366			transmittance = diffuseColor * volumeAttenuation( length( transmissionRay ), attenuationColor, attenuationDistance );
2367		#endif
2368		vec3 attenuatedColor = transmittance * transmittedLight.rgb;
2369		vec3 F = EnvironmentBRDF( n, v, specularColor, specularF90, roughness );
2370		float transmittanceFactor = ( transmittance.r + transmittance.g + transmittance.b ) / 3.0;
2371		return vec4( ( 1.0 - F ) * attenuatedColor, 1.0 - ( 1.0 - transmittedLight.a ) * transmittanceFactor );
2372	}
2373#endif`,uv_pars_fragment:`#if defined( USE_UV ) || defined( USE_ANISOTROPY )
2374	varying vec2 vUv;
2375#endif
2376#ifdef USE_MAP
2377	varying vec2 vMapUv;
2378#endif
2379#ifdef USE_ALPHAMAP
2380	varying vec2 vAlphaMapUv;
2381#endif
2382#ifdef USE_LIGHTMAP
2383	varying vec2 vLightMapUv;
2384#endif
2385#ifdef USE_AOMAP
2386	varying vec2 vAoMapUv;
2387#endif
2388#ifdef USE_BUMPMAP
2389	varying vec2 vBumpMapUv;
2390#endif
2391#ifdef USE_NORMALMAP
2392	varying vec2 vNormalMapUv;
2393#endif
2394#ifdef USE_EMISSIVEMAP
2395	varying vec2 vEmissiveMapUv;
2396#endif
2397#ifdef USE_METALNESSMAP
2398	varying vec2 vMetalnessMapUv;
2399#endif
2400#ifdef USE_ROUGHNESSMAP
2401	varying vec2 vRoughnessMapUv;
2402#endif
2403#ifdef USE_ANISOTROPYMAP
2404	varying vec2 vAnisotropyMapUv;
2405#endif
2406#ifdef USE_CLEARCOATMAP
2407	varying vec2 vClearcoatMapUv;
2408#endif
2409#ifdef USE_CLEARCOAT_NORMALMAP
2410	varying vec2 vClearcoatNormalMapUv;
2411#endif
2412#ifdef USE_CLEARCOAT_ROUGHNESSMAP
2413	varying vec2 vClearcoatRoughnessMapUv;
2414#endif
2415#ifdef USE_IRIDESCENCEMAP
2416	varying vec2 vIridescenceMapUv;
2417#endif
2418#ifdef USE_IRIDESCENCE_THICKNESSMAP
2419	varying vec2 vIridescenceThicknessMapUv;
2420#endif
2421#ifdef USE_SHEEN_COLORMAP
2422	varying vec2 vSheenColorMapUv;
2423#endif
2424#ifdef USE_SHEEN_ROUGHNESSMAP
2425	varying vec2 vSheenRoughnessMapUv;
2426#endif
2427#ifdef USE_SPECULARMAP
2428	varying vec2 vSpecularMapUv;
2429#endif
2430#ifdef USE_SPECULAR_COLORMAP
2431	varying vec2 vSpecularColorMapUv;
2432#endif
2433#ifdef USE_SPECULAR_INTENSITYMAP
2434	varying vec2 vSpecularIntensityMapUv;
2435#endif
2436#ifdef USE_TRANSMISSIONMAP
2437	uniform mat3 transmissionMapTransform;
2438	varying vec2 vTransmissionMapUv;
2439#endif
2440#ifdef USE_THICKNESSMAP
2441	uniform mat3 thicknessMapTransform;
2442	varying vec2 vThicknessMapUv;
2443#endif`,uv_pars_vertex:`#if defined( USE_UV ) || defined( USE_ANISOTROPY )
2444	varying vec2 vUv;
2445#endif
2446#ifdef USE_MAP
2447	uniform mat3 mapTransform;
2448	varying vec2 vMapUv;
2449#endif
2450#ifdef USE_ALPHAMAP
2451	uniform mat3 alphaMapTransform;
2452	varying vec2 vAlphaMapUv;
2453#endif
2454#ifdef USE_LIGHTMAP
2455	uniform mat3 lightMapTransform;
2456	varying vec2 vLightMapUv;
2457#endif
2458#ifdef USE_AOMAP
2459	uniform mat3 aoMapTransform;
2460	varying vec2 vAoMapUv;
2461#endif
2462#ifdef USE_BUMPMAP
2463	uniform mat3 bumpMapTransform;
2464	varying vec2 vBumpMapUv;
2465#endif
2466#ifdef USE_NORMALMAP
2467	uniform mat3 normalMapTransform;
2468	varying vec2 vNormalMapUv;
2469#endif
2470#ifdef USE_DISPLACEMENTMAP
2471	uniform mat3 displacementMapTransform;
2472	varying vec2 vDisplacementMapUv;
2473#endif
2474#ifdef USE_EMISSIVEMAP
2475	uniform mat3 emissiveMapTransform;
2476	varying vec2 vEmissiveMapUv;
2477#endif
2478#ifdef USE_METALNESSMAP
2479	uniform mat3 metalnessMapTransform;
2480	varying vec2 vMetalnessMapUv;
2481#endif
2482#ifdef USE_ROUGHNESSMAP
2483	uniform mat3 roughnessMapTransform;
2484	varying vec2 vRoughnessMapUv;
2485#endif
2486#ifdef USE_ANISOTROPYMAP
2487	uniform mat3 anisotropyMapTransform;
2488	varying vec2 vAnisotropyMapUv;
2489#endif
2490#ifdef USE_CLEARCOATMAP
2491	uniform mat3 clearcoatMapTransform;
2492	varying vec2 vClearcoatMapUv;
2493#endif
2494#ifdef USE_CLEARCOAT_NORMALMAP
2495	uniform mat3 clearcoatNormalMapTransform;
2496	varying vec2 vClearcoatNormalMapUv;
2497#endif
2498#ifdef USE_CLEARCOAT_ROUGHNESSMAP
2499	uniform mat3 clearcoatRoughnessMapTransform;
2500	varying vec2 vClearcoatRoughnessMapUv;
2501#endif
2502#ifdef USE_SHEEN_COLORMAP
2503	uniform mat3 sheenColorMapTransform;
2504	varying vec2 vSheenColorMapUv;
2505#endif
2506#ifdef USE_SHEEN_ROUGHNESSMAP
2507	uniform mat3 sheenRoughnessMapTransform;
2508	varying vec2 vSheenRoughnessMapUv;
2509#endif
2510#ifdef USE_IRIDESCENCEMAP
2511	uniform mat3 iridescenceMapTransform;
2512	varying vec2 vIridescenceMapUv;
2513#endif
2514#ifdef USE_IRIDESCENCE_THICKNESSMAP
2515	uniform mat3 iridescenceThicknessMapTransform;
2516	varying vec2 vIridescenceThicknessMapUv;
2517#endif
2518#ifdef USE_SPECULARMAP
2519	uniform mat3 specularMapTransform;
2520	varying vec2 vSpecularMapUv;
2521#endif
2522#ifdef USE_SPECULAR_COLORMAP
2523	uniform mat3 specularColorMapTransform;
2524	varying vec2 vSpecularColorMapUv;
2525#endif
2526#ifdef USE_SPECULAR_INTENSITYMAP
2527	uniform mat3 specularIntensityMapTransform;
2528	varying vec2 vSpecularIntensityMapUv;
2529#endif
2530#ifdef USE_TRANSMISSIONMAP
2531	uniform mat3 transmissionMapTransform;
2532	varying vec2 vTransmissionMapUv;
2533#endif
2534#ifdef USE_THICKNESSMAP
2535	uniform mat3 thicknessMapTransform;
2536	varying vec2 vThicknessMapUv;
2537#endif`,uv_vertex:`#if defined( USE_UV ) || defined( USE_ANISOTROPY )
2538	vUv = vec3( uv, 1 ).xy;
2539#endif
2540#ifdef USE_MAP
2541	vMapUv = ( mapTransform * vec3( MAP_UV, 1 ) ).xy;
2542#endif
2543#ifdef USE_ALPHAMAP
2544	vAlphaMapUv = ( alphaMapTransform * vec3( ALPHAMAP_UV, 1 ) ).xy;
2545#endif
2546#ifdef USE_LIGHTMAP
2547	vLightMapUv = ( lightMapTransform * vec3( LIGHTMAP_UV, 1 ) ).xy;
2548#endif
2549#ifdef USE_AOMAP
2550	vAoMapUv = ( aoMapTransform * vec3( AOMAP_UV, 1 ) ).xy;
2551#endif
2552#ifdef USE_BUMPMAP
2553	vBumpMapUv = ( bumpMapTransform * vec3( BUMPMAP_UV, 1 ) ).xy;
2554#endif
2555#ifdef USE_NORMALMAP
2556	vNormalMapUv = ( normalMapTransform * vec3( NORMALMAP_UV, 1 ) ).xy;
2557#endif
2558#ifdef USE_DISPLACEMENTMAP
2559	vDisplacementMapUv = ( displacementMapTransform * vec3( DISPLACEMENTMAP_UV, 1 ) ).xy;
2560#endif
2561#ifdef USE_EMISSIVEMAP
2562	vEmissiveMapUv = ( emissiveMapTransform * vec3( EMISSIVEMAP_UV, 1 ) ).xy;
2563#endif
2564#ifdef USE_METALNESSMAP
2565	vMetalnessMapUv = ( metalnessMapTransform * vec3( METALNESSMAP_UV, 1 ) ).xy;
2566#endif
2567#ifdef USE_ROUGHNESSMAP
2568	vRoughnessMapUv = ( roughnessMapTransform * vec3( ROUGHNESSMAP_UV, 1 ) ).xy;
2569#endif
2570#ifdef USE_ANISOTROPYMAP
2571	vAnisotropyMapUv = ( anisotropyMapTransform * vec3( ANISOTROPYMAP_UV, 1 ) ).xy;
2572#endif
2573#ifdef USE_CLEARCOATMAP
2574	vClearcoatMapUv = ( clearcoatMapTransform * vec3( CLEARCOATMAP_UV, 1 ) ).xy;
2575#endif
2576#ifdef USE_CLEARCOAT_NORMALMAP
2577	vClearcoatNormalMapUv = ( clearcoatNormalMapTransform * vec3( CLEARCOAT_NORMALMAP_UV, 1 ) ).xy;
2578#endif
2579#ifdef USE_CLEARCOAT_ROUGHNESSMAP
2580	vClearcoatRoughnessMapUv = ( clearcoatRoughnessMapTransform * vec3( CLEARCOAT_ROUGHNESSMAP_UV, 1 ) ).xy;
2581#endif
2582#ifdef USE_IRIDESCENCEMAP
2583	vIridescenceMapUv = ( iridescenceMapTransform * vec3( IRIDESCENCEMAP_UV, 1 ) ).xy;
2584#endif
2585#ifdef USE_IRIDESCENCE_THICKNESSMAP
2586	vIridescenceThicknessMapUv = ( iridescenceThicknessMapTransform * vec3( IRIDESCENCE_THICKNESSMAP_UV, 1 ) ).xy;
2587#endif
2588#ifdef USE_SHEEN_COLORMAP
2589	vSheenColorMapUv = ( sheenColorMapTransform * vec3( SHEEN_COLORMAP_UV, 1 ) ).xy;
2590#endif
2591#ifdef USE_SHEEN_ROUGHNESSMAP
2592	vSheenRoughnessMapUv = ( sheenRoughnessMapTransform * vec3( SHEEN_ROUGHNESSMAP_UV, 1 ) ).xy;
2593#endif
2594#ifdef USE_SPECULARMAP
2595	vSpecularMapUv = ( specularMapTransform * vec3( SPECULARMAP_UV, 1 ) ).xy;
2596#endif
2597#ifdef USE_SPECULAR_COLORMAP
2598	vSpecularColorMapUv = ( specularColorMapTransform * vec3( SPECULAR_COLORMAP_UV, 1 ) ).xy;
2599#endif
2600#ifdef USE_SPECULAR_INTENSITYMAP
2601	vSpecularIntensityMapUv = ( specularIntensityMapTransform * vec3( SPECULAR_INTENSITYMAP_UV, 1 ) ).xy;
2602#endif
2603#ifdef USE_TRANSMISSIONMAP
2604	vTransmissionMapUv = ( transmissionMapTransform * vec3( TRANSMISSIONMAP_UV, 1 ) ).xy;
2605#endif
2606#ifdef USE_THICKNESSMAP
2607	vThicknessMapUv = ( thicknessMapTransform * vec3( THICKNESSMAP_UV, 1 ) ).xy;
2608#endif`,worldpos_vertex:`#if defined( USE_ENVMAP ) || defined( DISTANCE ) || defined ( USE_SHADOWMAP ) || defined ( USE_TRANSMISSION ) || NUM_SPOT_LIGHT_COORDS > 0
2609	vec4 worldPosition = vec4( transformed, 1.0 );
2610	#ifdef USE_BATCHING
2611		worldPosition = batchingMatrix * worldPosition;
2612	#endif
2613	#ifdef USE_INSTANCING
2614		worldPosition = instanceMatrix * worldPosition;
2615	#endif
2616	worldPosition = modelMatrix * worldPosition;
2617#endif`,background_vert:`varying vec2 vUv;
2618uniform mat3 uvTransform;
2619void main() {
2620	vUv = ( uvTransform * vec3( uv, 1 ) ).xy;
2621	gl_Position = vec4( position.xy, 1.0, 1.0 );
2622}`,background_frag:`uniform sampler2D t2D;
2623uniform float backgroundIntensity;
2624varying vec2 vUv;
2625void main() {
2626	vec4 texColor = texture2D( t2D, vUv );
2627	#ifdef DECODE_VIDEO_TEXTURE
2628		texColor = vec4( mix( pow( texColor.rgb * 0.9478672986 + vec3( 0.0521327014 ), vec3( 2.4 ) ), texColor.rgb * 0.0773993808, vec3( lessThanEqual( texColor.rgb, vec3( 0.04045 ) ) ) ), texColor.w );
2629	#endif
2630	texColor.rgb *= backgroundIntensity;
2631	gl_FragColor = texColor;
2632	#include <tonemapping_fragment>
2633	#include <colorspace_fragment>
2634}`,backgroundCube_vert:`varying vec3 vWorldDirection;
2635#include <common>
2636void main() {
2637	vWorldDirection = transformDirection( position, modelMatrix );
2638	#include <begin_vertex>
2639	#include <project_vertex>
2640	gl_Position.z = gl_Position.w;
2641}`,backgroundCube_frag:`#ifdef ENVMAP_TYPE_CUBE
2642	uniform samplerCube envMap;
2643#elif defined( ENVMAP_TYPE_CUBE_UV )
2644	uniform sampler2D envMap;
2645#endif
2646uniform float