(function(global,factory){typeof exports==='object'&&typeof module!=='undefined'?factory(exports):typeof define==='function'&&define.amd?define(['exports'],factory):(global=global||self,factory(global.THREE={}));}(this,function(exports){'use strict';var _Math={DEG2RAD:Math.PI/180,RAD2DEG:180/Math.PI,generateUUID:(function(){var lut=[];for(var i=0;i<256;i++){lut[i]=(i<16?'0':'')+(i).toString(16);}
return function generateUUID(){var d0=Math.random()*0xffffffff|0;var d1=Math.random()*0xffffffff|0;var d2=Math.random()*0xffffffff|0;var d3=Math.random()*0xffffffff|0;var uuid=lut[d0&0xff]+lut[d0>>8&0xff]+lut[d0>>16&0xff]+lut[d0>>24&0xff]+'-'+
lut[d1&0xff]+lut[d1>>8&0xff]+'-'+lut[d1>>16&0x0f|0x40]+lut[d1>>24&0xff]+'-'+
lut[d2&0x3f|0x80]+lut[d2>>8&0xff]+'-'+lut[d2>>16&0xff]+lut[d2>>24&0xff]+
lut[d3&0xff]+lut[d3>>8&0xff]+lut[d3>>16&0xff]+lut[d3>>24&0xff];return uuid.toUpperCase();};})(),clamp:function(value,min,max){return Math.max(min,Math.min(max,value));},euclideanModulo:function(n,m){return((n%m)+m)%m;},mapLinear:function(x,a1,a2,b1,b2){return b1+(x-a1)*(b2-b1)/(a2-a1);},lerp:function(x,y,t){return(1-t)*x+t*y;},smoothstep:function(x,min,max){if(x<=min)return 0;if(x>=max)return 1;x=(x-min)/(max-min);return x*x*(3-2*x);},smootherstep:function(x,min,max){if(x<=min)return 0;if(x>=max)return 1;x=(x-min)/(max-min);return x*x*x*(x*(x*6-15)+10);},randInt:function(low,high){return low+Math.floor(Math.random()*(high-low+1));},randFloat:function(low,high){return low+Math.random()*(high-low);},randFloatSpread:function(range){return range*(0.5-Math.random());},degToRad:function(degrees){return degrees*_Math.DEG2RAD;},radToDeg:function(radians){return radians*_Math.RAD2DEG;},isPowerOfTwo:function(value){return(value&(value-1))===0&&value!==0;},ceilPowerOfTwo:function(value){return Math.pow(2,Math.ceil(Math.log(value)/Math.LN2));},floorPowerOfTwo:function(value){return Math.pow(2,Math.floor(Math.log(value)/Math.LN2));}};function Quaternion(x,y,z,w){this._x=x||0;this._y=y||0;this._z=z||0;this._w=(w!==undefined)?w:1;}
Object.assign(Quaternion,{slerp:function(qa,qb,qm,t){return qm.copy(qa).slerp(qb,t);},slerpFlat:function(dst,dstOffset,src0,srcOffset0,src1,srcOffset1,t){var x0=src0[srcOffset0+0],y0=src0[srcOffset0+1],z0=src0[srcOffset0+2],w0=src0[srcOffset0+3],x1=src1[srcOffset1+0],y1=src1[srcOffset1+1],z1=src1[srcOffset1+2],w1=src1[srcOffset1+3];if(w0!==w1||x0!==x1||y0!==y1||z0!==z1){var s=1-t,cos=x0*x1+y0*y1+z0*z1+w0*w1,dir=(cos>=0?1:-1),sqrSin=1-cos*cos;if(sqrSin>Number.EPSILON){var sin=Math.sqrt(sqrSin),len=Math.atan2(sin,cos*dir);s=Math.sin(s*len)/sin;t=Math.sin(t*len)/sin;}
var tDir=t*dir;x0=x0*s+x1*tDir;y0=y0*s+y1*tDir;z0=z0*s+z1*tDir;w0=w0*s+w1*tDir;if(s===1-t){var f=1/Math.sqrt(x0*x0+y0*y0+z0*z0+w0*w0);x0*=f;y0*=f;z0*=f;w0*=f;}}
dst[dstOffset]=x0;dst[dstOffset+1]=y0;dst[dstOffset+2]=z0;dst[dstOffset+3]=w0;}});Object.defineProperties(Quaternion.prototype,{x:{get:function(){return this._x;},set:function(value){this._x=value;this.onChangeCallback();}},y:{get:function(){return this._y;},set:function(value){this._y=value;this.onChangeCallback();}},z:{get:function(){return this._z;},set:function(value){this._z=value;this.onChangeCallback();}},w:{get:function(){return this._w;},set:function(value){this._w=value;this.onChangeCallback();}}});Object.assign(Quaternion.prototype,{isQuaternion:true,set:function(x,y,z,w){this._x=x;this._y=y;this._z=z;this._w=w;this.onChangeCallback();return this;},clone:function(){return new this.constructor(this._x,this._y,this._z,this._w);},copy:function(quaternion){this._x=quaternion.x;this._y=quaternion.y;this._z=quaternion.z;this._w=quaternion.w;this.onChangeCallback();return this;},setFromEuler:function(euler,update){if(!(euler&&euler.isEuler)){throw new Error('THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.');}
var x=euler._x,y=euler._y,z=euler._z,order=euler.order;var cos=Math.cos;var sin=Math.sin;var c1=cos(x/2);var c2=cos(y/2);var c3=cos(z/2);var s1=sin(x/2);var s2=sin(y/2);var s3=sin(z/2);if(order==='XYZ'){this._x=s1*c2*c3+c1*s2*s3;this._y=c1*s2*c3-s1*c2*s3;this._z=c1*c2*s3+s1*s2*c3;this._w=c1*c2*c3-s1*s2*s3;}else if(order==='YXZ'){this._x=s1*c2*c3+c1*s2*s3;this._y=c1*s2*c3-s1*c2*s3;this._z=c1*c2*s3-s1*s2*c3;this._w=c1*c2*c3+s1*s2*s3;}else if(order==='ZXY'){this._x=s1*c2*c3-c1*s2*s3;this._y=c1*s2*c3+s1*c2*s3;this._z=c1*c2*s3+s1*s2*c3;this._w=c1*c2*c3-s1*s2*s3;}else if(order==='ZYX'){this._x=s1*c2*c3-c1*s2*s3;this._y=c1*s2*c3+s1*c2*s3;this._z=c1*c2*s3-s1*s2*c3;this._w=c1*c2*c3+s1*s2*s3;}else if(order==='YZX'){this._x=s1*c2*c3+c1*s2*s3;this._y=c1*s2*c3+s1*c2*s3;this._z=c1*c2*s3-s1*s2*c3;this._w=c1*c2*c3-s1*s2*s3;}else if(order==='XZY'){this._x=s1*c2*c3-c1*s2*s3;this._y=c1*s2*c3-s1*c2*s3;this._z=c1*c2*s3+s1*s2*c3;this._w=c1*c2*c3+s1*s2*s3;}
if(update!==false)this.onChangeCallback();return this;},setFromAxisAngle:function(axis,angle){var halfAngle=angle/2,s=Math.sin(halfAngle);this._x=axis.x*s;this._y=axis.y*s;this._z=axis.z*s;this._w=Math.cos(halfAngle);this.onChangeCallback();return this;},setFromRotationMatrix:function(m){var te=m.elements,m11=te[0],m12=te[4],m13=te[8],m21=te[1],m22=te[5],m23=te[9],m31=te[2],m32=te[6],m33=te[10],trace=m11+m22+m33,s;if(trace>0){s=0.5/Math.sqrt(trace+1.0);this._w=0.25/s;this._x=(m32-m23)*s;this._y=(m13-m31)*s;this._z=(m21-m12)*s;}else if(m11>m22&&m11>m33){s=2.0*Math.sqrt(1.0+m11-m22-m33);this._w=(m32-m23)/s;this._x=0.25*s;this._y=(m12+m21)/s;this._z=(m13+m31)/s;}else if(m22>m33){s=2.0*Math.sqrt(1.0+m22-m11-m33);this._w=(m13-m31)/s;this._x=(m12+m21)/s;this._y=0.25*s;this._z=(m23+m32)/s;}else{s=2.0*Math.sqrt(1.0+m33-m11-m22);this._w=(m21-m12)/s;this._x=(m13+m31)/s;this._y=(m23+m32)/s;this._z=0.25*s;}
this.onChangeCallback();return this;},setFromUnitVectors:function(){var v1=new Vector3();var r;var EPS=0.000001;return function setFromUnitVectors(vFrom,vTo){if(v1===undefined)v1=new Vector3();r=vFrom.dot(vTo)+1;if(r<EPS){r=0;if(Math.abs(vFrom.x)>Math.abs(vFrom.z)){v1.set(-vFrom.y,vFrom.x,0);}else{v1.set(0,-vFrom.z,vFrom.y);}}else{v1.crossVectors(vFrom,vTo);}
this._x=v1.x;this._y=v1.y;this._z=v1.z;this._w=r;return this.normalize();};}(),angleTo:function(q){return 2*Math.acos(Math.abs(_Math.clamp(this.dot(q),-1,1)));},rotateTowards:function(q,step){var angle=this.angleTo(q);if(angle===0)return this;var t=Math.min(1,step/angle);this.slerp(q,t);return this;},inverse:function(){return this.conjugate();},conjugate:function(){this._x*=-1;this._y*=-1;this._z*=-1;this.onChangeCallback();return this;},dot:function(v){return this._x*v._x+this._y*v._y+this._z*v._z+this._w*v._w;},lengthSq:function(){return this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w;},length:function(){return Math.sqrt(this._x*this._x+this._y*this._y+this._z*this._z+this._w*this._w);},normalize:function(){var l=this.length();if(l===0){this._x=0;this._y=0;this._z=0;this._w=1;}else{l=1/l;this._x=this._x*l;this._y=this._y*l;this._z=this._z*l;this._w=this._w*l;}
this.onChangeCallback();return this;},multiply:function(q,p){if(p!==undefined){console.warn('THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead.');return this.multiplyQuaternions(q,p);}
return this.multiplyQuaternions(this,q);},premultiply:function(q){return this.multiplyQuaternions(q,this);},multiplyQuaternions:function(a,b){var qax=a._x,qay=a._y,qaz=a._z,qaw=a._w;var qbx=b._x,qby=b._y,qbz=b._z,qbw=b._w;this._x=qax*qbw+qaw*qbx+qay*qbz-qaz*qby;this._y=qay*qbw+qaw*qby+qaz*qbx-qax*qbz;this._z=qaz*qbw+qaw*qbz+qax*qby-qay*qbx;this._w=qaw*qbw-qax*qbx-qay*qby-qaz*qbz;this.onChangeCallback();return this;},slerp:function(qb,t){if(t===0)return this;if(t===1)return this.copy(qb);var x=this._x,y=this._y,z=this._z,w=this._w;var cosHalfTheta=w*qb._w+x*qb._x+y*qb._y+z*qb._z;if(cosHalfTheta<0){this._w=-qb._w;this._x=-qb._x;this._y=-qb._y;this._z=-qb._z;cosHalfTheta=-cosHalfTheta;}else{this.copy(qb);}
if(cosHalfTheta>=1.0){this._w=w;this._x=x;this._y=y;this._z=z;return this;}
var sqrSinHalfTheta=1.0-cosHalfTheta*cosHalfTheta;if(sqrSinHalfTheta<=Number.EPSILON){var s=1-t;this._w=s*w+t*this._w;this._x=s*x+t*this._x;this._y=s*y+t*this._y;this._z=s*z+t*this._z;return this.normalize();}
var sinHalfTheta=Math.sqrt(sqrSinHalfTheta);var halfTheta=Math.atan2(sinHalfTheta,cosHalfTheta);var ratioA=Math.sin((1-t)*halfTheta)/sinHalfTheta,ratioB=Math.sin(t*halfTheta)/sinHalfTheta;this._w=(w*ratioA+this._w*ratioB);this._x=(x*ratioA+this._x*ratioB);this._y=(y*ratioA+this._y*ratioB);this._z=(z*ratioA+this._z*ratioB);this.onChangeCallback();return this;},equals:function(quaternion){return(quaternion._x===this._x)&&(quaternion._y===this._y)&&(quaternion._z===this._z)&&(quaternion._w===this._w);},fromArray:function(array,offset){if(offset===undefined)offset=0;this._x=array[offset];this._y=array[offset+1];this._z=array[offset+2];this._w=array[offset+3];this.onChangeCallback();return this;},toArray:function(array,offset){if(array===undefined)array=[];if(offset===undefined)offset=0;array[offset]=this._x;array[offset+1]=this._y;array[offset+2]=this._z;array[offset+3]=this._w;return array;},onChange:function(callback){this.onChangeCallback=callback;return this;},onChangeCallback:function(){}});function Vector3(x,y,z){this.x=x||0;this.y=y||0;this.z=z||0;}
Object.assign(Vector3.prototype,{isVector3:true,set:function(x,y,z){this.x=x;this.y=y;this.z=z;return this;},setScalar:function(scalar){this.x=scalar;this.y=scalar;this.z=scalar;return this;},setX:function(x){this.x=x;return this;},setY:function(y){this.y=y;return this;},setZ:function(z){this.z=z;return this;},setComponent:function(index,value){switch(index){case 0:this.x=value;break;case 1:this.y=value;break;case 2:this.z=value;break;default:throw new Error('index is out of range: '+index);}
return this;},getComponent:function(index){switch(index){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw new Error('index is out of range: '+index);}},clone:function(){return new this.constructor(this.x,this.y,this.z);},copy:function(v){this.x=v.x;this.y=v.y;this.z=v.z;return this;},add:function(v,w){if(w!==undefined){console.warn('THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead.');return this.addVectors(v,w);}
this.x+=v.x;this.y+=v.y;this.z+=v.z;return this;},addScalar:function(s){this.x+=s;this.y+=s;this.z+=s;return this;},addVectors:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;return this;},addScaledVector:function(v,s){this.x+=v.x*s;this.y+=v.y*s;this.z+=v.z*s;return this;},sub:function(v,w){if(w!==undefined){console.warn('THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead.');return this.subVectors(v,w);}
this.x-=v.x;this.y-=v.y;this.z-=v.z;return this;},subScalar:function(s){this.x-=s;this.y-=s;this.z-=s;return this;},subVectors:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-b.z;return this;},multiply:function(v,w){if(w!==undefined){console.warn('THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead.');return this.multiplyVectors(v,w);}
this.x*=v.x;this.y*=v.y;this.z*=v.z;return this;},multiplyScalar:function(scalar){this.x*=scalar;this.y*=scalar;this.z*=scalar;return this;},multiplyVectors:function(a,b){this.x=a.x*b.x;this.y=a.y*b.y;this.z=a.z*b.z;return this;},applyEuler:function(){var quaternion=new Quaternion();return function applyEuler(euler){if(!(euler&&euler.isEuler)){console.error('THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.');}
return this.applyQuaternion(quaternion.setFromEuler(euler));};}(),applyAxisAngle:function(){var quaternion=new Quaternion();return function applyAxisAngle(axis,angle){return this.applyQuaternion(quaternion.setFromAxisAngle(axis,angle));};}(),applyMatrix3:function(m){var x=this.x,y=this.y,z=this.z;var e=m.elements;this.x=e[0]*x+e[3]*y+e[6]*z;this.y=e[1]*x+e[4]*y+e[7]*z;this.z=e[2]*x+e[5]*y+e[8]*z;return this;},applyMatrix4:function(m){var x=this.x,y=this.y,z=this.z;var e=m.elements;var w=1/(e[3]*x+e[7]*y+e[11]*z+e[15]);this.x=(e[0]*x+e[4]*y+e[8]*z+e[12])*w;this.y=(e[1]*x+e[5]*y+e[9]*z+e[13])*w;this.z=(e[2]*x+e[6]*y+e[10]*z+e[14])*w;return this;},applyQuaternion:function(q){var x=this.x,y=this.y,z=this.z;var qx=q.x,qy=q.y,qz=q.z,qw=q.w;var ix=qw*x+qy*z-qz*y;var iy=qw*y+qz*x-qx*z;var iz=qw*z+qx*y-qy*x;var iw=-qx*x-qy*y-qz*z;this.x=ix*qw+iw*-qx+iy*-qz-iz*-qy;this.y=iy*qw+iw*-qy+iz*-qx-ix*-qz;this.z=iz*qw+iw*-qz+ix*-qy-iy*-qx;return this;},project:function(camera){return this.applyMatrix4(camera.matrixWorldInverse).applyMatrix4(camera.projectionMatrix);},unproject:function(){var matrix=new Matrix4();return function unproject(camera){return this.applyMatrix4(matrix.getInverse(camera.projectionMatrix)).applyMatrix4(camera.matrixWorld);};}(),transformDirection:function(m){var x=this.x,y=this.y,z=this.z;var e=m.elements;this.x=e[0]*x+e[4]*y+e[8]*z;this.y=e[1]*x+e[5]*y+e[9]*z;this.z=e[2]*x+e[6]*y+e[10]*z;return this.normalize();},divide:function(v){this.x/=v.x;this.y/=v.y;this.z/=v.z;return this;},divideScalar:function(scalar){return this.multiplyScalar(1/scalar);},min:function(v){this.x=Math.min(this.x,v.x);this.y=Math.min(this.y,v.y);this.z=Math.min(this.z,v.z);return this;},max:function(v){this.x=Math.max(this.x,v.x);this.y=Math.max(this.y,v.y);this.z=Math.max(this.z,v.z);return this;},clamp:function(min,max){this.x=Math.max(min.x,Math.min(max.x,this.x));this.y=Math.max(min.y,Math.min(max.y,this.y));this.z=Math.max(min.z,Math.min(max.z,this.z));return this;},clampScalar:function(){var min=new Vector3();var max=new Vector3();return function clampScalar(minVal,maxVal){min.set(minVal,minVal,minVal);max.set(maxVal,maxVal,maxVal);return this.clamp(min,max);};}(),clampLength:function(min,max){var length=this.length();return this.divideScalar(length||1).multiplyScalar(Math.max(min,Math.min(max,length)));},floor:function(){this.x=Math.floor(this.x);this.y=Math.floor(this.y);this.z=Math.floor(this.z);return this;},ceil:function(){this.x=Math.ceil(this.x);this.y=Math.ceil(this.y);this.z=Math.ceil(this.z);return this;},round:function(){this.x=Math.round(this.x);this.y=Math.round(this.y);this.z=Math.round(this.z);return this;},roundToZero:function(){this.x=(this.x<0)?Math.ceil(this.x):Math.floor(this.x);this.y=(this.y<0)?Math.ceil(this.y):Math.floor(this.y);this.z=(this.z<0)?Math.ceil(this.z):Math.floor(this.z);return this;},negate:function(){this.x=-this.x;this.y=-this.y;this.z=-this.z;return this;},dot:function(v){return this.x*v.x+this.y*v.y+this.z*v.z;},lengthSq:function(){return this.x*this.x+this.y*this.y+this.z*this.z;},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z);},manhattanLength:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z);},normalize:function(){return this.divideScalar(this.length()||1);},setLength:function(length){return this.normalize().multiplyScalar(length);},lerp:function(v,alpha){this.x+=(v.x-this.x)*alpha;this.y+=(v.y-this.y)*alpha;this.z+=(v.z-this.z)*alpha;return this;},lerpVectors:function(v1,v2,alpha){return this.subVectors(v2,v1).multiplyScalar(alpha).add(v1);},cross:function(v,w){if(w!==undefined){console.warn('THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead.');return this.crossVectors(v,w);}
return this.crossVectors(this,v);},crossVectors:function(a,b){var ax=a.x,ay=a.y,az=a.z;var bx=b.x,by=b.y,bz=b.z;this.x=ay*bz-az*by;this.y=az*bx-ax*bz;this.z=ax*by-ay*bx;return this;},projectOnVector:function(vector){var scalar=vector.dot(this)/vector.lengthSq();return this.copy(vector).multiplyScalar(scalar);},projectOnPlane:function(){var v1=new Vector3();return function projectOnPlane(planeNormal){v1.copy(this).projectOnVector(planeNormal);return this.sub(v1);};}(),reflect:function(){var v1=new Vector3();return function reflect(normal){return this.sub(v1.copy(normal).multiplyScalar(2*this.dot(normal)));};}(),angleTo:function(v){var theta=this.dot(v)/(Math.sqrt(this.lengthSq()*v.lengthSq()));return Math.acos(_Math.clamp(theta,-1,1));},distanceTo:function(v){return Math.sqrt(this.distanceToSquared(v));},distanceToSquared:function(v){var dx=this.x-v.x,dy=this.y-v.y,dz=this.z-v.z;return dx*dx+dy*dy+dz*dz;},manhattanDistanceTo:function(v){return Math.abs(this.x-v.x)+Math.abs(this.y-v.y)+Math.abs(this.z-v.z);},setFromSpherical:function(s){return this.setFromSphericalCoords(s.radius,s.phi,s.theta);},setFromSphericalCoords:function(radius,phi,theta){var sinPhiRadius=Math.sin(phi)*radius;this.x=sinPhiRadius*Math.sin(theta);this.y=Math.cos(phi)*radius;this.z=sinPhiRadius*Math.cos(theta);return this;},setFromCylindrical:function(c){return this.setFromCylindricalCoords(c.radius,c.theta,c.y);},setFromCylindricalCoords:function(radius,theta,y){this.x=radius*Math.sin(theta);this.y=y;this.z=radius*Math.cos(theta);return this;},setFromMatrixPosition:function(m){var e=m.elements;this.x=e[12];this.y=e[13];this.z=e[14];return this;},setFromMatrixScale:function(m){var sx=this.setFromMatrixColumn(m,0).length();var sy=this.setFromMatrixColumn(m,1).length();var sz=this.setFromMatrixColumn(m,2).length();this.x=sx;this.y=sy;this.z=sz;return this;},setFromMatrixColumn:function(m,index){return this.fromArray(m.elements,index*4);},equals:function(v){return((v.x===this.x)&&(v.y===this.y)&&(v.z===this.z));},fromArray:function(array,offset){if(offset===undefined)offset=0;this.x=array[offset];this.y=array[offset+1];this.z=array[offset+2];return this;},toArray:function(array,offset){if(array===undefined)array=[];if(offset===undefined)offset=0;array[offset]=this.x;array[offset+1]=this.y;array[offset+2]=this.z;return array;},fromBufferAttribute:function(attribute,index,offset){if(offset!==undefined){console.warn('THREE.Vector3: offset has been removed from .fromBufferAttribute().');}
this.x=attribute.getX(index);this.y=attribute.getY(index);this.z=attribute.getZ(index);return this;}});function Matrix4(){this.elements=[1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1];if(arguments.length>0){console.error('THREE.Matrix4: the constructor no longer reads arguments. use .set() instead.');}}
Object.assign(Matrix4.prototype,{isMatrix4:true,set:function(n11,n12,n13,n14,n21,n22,n23,n24,n31,n32,n33,n34,n41,n42,n43,n44){var te=this.elements;te[0]=n11;te[4]=n12;te[8]=n13;te[12]=n14;te[1]=n21;te[5]=n22;te[9]=n23;te[13]=n24;te[2]=n31;te[6]=n32;te[10]=n33;te[14]=n34;te[3]=n41;te[7]=n42;te[11]=n43;te[15]=n44;return this;},identity:function(){this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1);return this;},clone:function(){return new Matrix4().fromArray(this.elements);},copy:function(m){var te=this.elements;var me=m.elements;te[0]=me[0];te[1]=me[1];te[2]=me[2];te[3]=me[3];te[4]=me[4];te[5]=me[5];te[6]=me[6];te[7]=me[7];te[8]=me[8];te[9]=me[9];te[10]=me[10];te[11]=me[11];te[12]=me[12];te[13]=me[13];te[14]=me[14];te[15]=me[15];return this;},copyPosition:function(m){var te=this.elements,me=m.elements;te[12]=me[12];te[13]=me[13];te[14]=me[14];return this;},extractBasis:function(xAxis,yAxis,zAxis){xAxis.setFromMatrixColumn(this,0);yAxis.setFromMatrixColumn(this,1);zAxis.setFromMatrixColumn(this,2);return this;},makeBasis:function(xAxis,yAxis,zAxis){this.set(xAxis.x,yAxis.x,zAxis.x,0,xAxis.y,yAxis.y,zAxis.y,0,xAxis.z,yAxis.z,zAxis.z,0,0,0,0,1);return this;},extractRotation:function(){var v1=new Vector3();return function extractRotation(m){var te=this.elements;var me=m.elements;var scaleX=1/v1.setFromMatrixColumn(m,0).length();var scaleY=1/v1.setFromMatrixColumn(m,1).length();var scaleZ=1/v1.setFromMatrixColumn(m,2).length();te[0]=me[0]*scaleX;te[1]=me[1]*scaleX;te[2]=me[2]*scaleX;te[3]=0;te[4]=me[4]*scaleY;te[5]=me[5]*scaleY;te[6]=me[6]*scaleY;te[7]=0;te[8]=me[8]*scaleZ;te[9]=me[9]*scaleZ;te[10]=me[10]*scaleZ;te[11]=0;te[12]=0;te[13]=0;te[14]=0;te[15]=1;return this;};}(),makeRotationFromEuler:function(euler){if(!(euler&&euler.isEuler)){console.error('THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.');}
var te=this.elements;var x=euler.x,y=euler.y,z=euler.z;var a=Math.cos(x),b=Math.sin(x);var c=Math.cos(y),d=Math.sin(y);var e=Math.cos(z),f=Math.sin(z);if(euler.order==='XYZ'){var ae=a*e,af=a*f,be=b*e,bf=b*f;te[0]=c*e;te[4]=-c*f;te[8]=d;te[1]=af+be*d;te[5]=ae-bf*d;te[9]=-b*c;te[2]=bf-ae*d;te[6]=be+af*d;te[10]=a*c;}else if(euler.order==='YXZ'){var ce=c*e,cf=c*f,de=d*e,df=d*f;te[0]=ce+df*b;te[4]=de*b-cf;te[8]=a*d;te[1]=a*f;te[5]=a*e;te[9]=-b;te[2]=cf*b-de;te[6]=df+ce*b;te[10]=a*c;}else if(euler.order==='ZXY'){var ce=c*e,cf=c*f,de=d*e,df=d*f;te[0]=ce-df*b;te[4]=-a*f;te[8]=de+cf*b;te[1]=cf+de*b;te[5]=a*e;te[9]=df-ce*b;te[2]=-a*d;te[6]=b;te[10]=a*c;}else if(euler.order==='ZYX'){var ae=a*e,af=a*f,be=b*e,bf=b*f;te[0]=c*e;te[4]=be*d-af;te[8]=ae*d+bf;te[1]=c*f;te[5]=bf*d+ae;te[9]=af*d-be;te[2]=-d;te[6]=b*c;te[10]=a*c;}else if(euler.order==='YZX'){var ac=a*c,ad=a*d,bc=b*c,bd=b*d;te[0]=c*e;te[4]=bd-ac*f;te[8]=bc*f+ad;te[1]=f;te[5]=a*e;te[9]=-b*e;te[2]=-d*e;te[6]=ad*f+bc;te[10]=ac-bd*f;}else if(euler.order==='XZY'){var ac=a*c,ad=a*d,bc=b*c,bd=b*d;te[0]=c*e;te[4]=-f;te[8]=d*e;te[1]=ac*f+bd;te[5]=a*e;te[9]=ad*f-bc;te[2]=bc*f-ad;te[6]=b*e;te[10]=bd*f+ac;}
te[3]=0;te[7]=0;te[11]=0;te[12]=0;te[13]=0;te[14]=0;te[15]=1;return this;},makeRotationFromQuaternion:function(){var zero=new Vector3(0,0,0);var one=new Vector3(1,1,1);return function makeRotationFromQuaternion(q){return this.compose(zero,q,one);};}(),lookAt:function(){var x=new Vector3();var y=new Vector3();var z=new Vector3();return function lookAt(eye,target,up){var te=this.elements;z.subVectors(eye,target);if(z.lengthSq()===0){z.z=1;}
z.normalize();x.crossVectors(up,z);if(x.lengthSq()===0){if(Math.abs(up.z)===1){z.x+=0.0001;}else{z.z+=0.0001;}
z.normalize();x.crossVectors(up,z);}
x.normalize();y.crossVectors(z,x);te[0]=x.x;te[4]=y.x;te[8]=z.x;te[1]=x.y;te[5]=y.y;te[9]=z.y;te[2]=x.z;te[6]=y.z;te[10]=z.z;return this;};}(),multiply:function(m,n){if(n!==undefined){console.warn('THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead.');return this.multiplyMatrices(m,n);}
return this.multiplyMatrices(this,m);},premultiply:function(m){return this.multiplyMatrices(m,this);},multiplyMatrices:function(a,b){var ae=a.elements;var be=b.elements;var te=this.elements;var a11=ae[0],a12=ae[4],a13=ae[8],a14=ae[12];var a21=ae[1],a22=ae[5],a23=ae[9],a24=ae[13];var a31=ae[2],a32=ae[6],a33=ae[10],a34=ae[14];var a41=ae[3],a42=ae[7],a43=ae[11],a44=ae[15];var b11=be[0],b12=be[4],b13=be[8],b14=be[12];var b21=be[1],b22=be[5],b23=be[9],b24=be[13];var b31=be[2],b32=be[6],b33=be[10],b34=be[14];var b41=be[3],b42=be[7],b43=be[11],b44=be[15];te[0]=a11*b11+a12*b21+a13*b31+a14*b41;te[4]=a11*b12+a12*b22+a13*b32+a14*b42;te[8]=a11*b13+a12*b23+a13*b33+a14*b43;te[12]=a11*b14+a12*b24+a13*b34+a14*b44;te[1]=a21*b11+a22*b21+a23*b31+a24*b41;te[5]=a21*b12+a22*b22+a23*b32+a24*b42;te[9]=a21*b13+a22*b23+a23*b33+a24*b43;te[13]=a21*b14+a22*b24+a23*b34+a24*b44;te[2]=a31*b11+a32*b21+a33*b31+a34*b41;te[6]=a31*b12+a32*b22+a33*b32+a34*b42;te[10]=a31*b13+a32*b23+a33*b33+a34*b43;te[14]=a31*b14+a32*b24+a33*b34+a34*b44;te[3]=a41*b11+a42*b21+a43*b31+a44*b41;te[7]=a41*b12+a42*b22+a43*b32+a44*b42;te[11]=a41*b13+a42*b23+a43*b33+a44*b43;te[15]=a41*b14+a42*b24+a43*b34+a44*b44;return this;},multiplyScalar:function(s){var te=this.elements;te[0]*=s;te[4]*=s;te[8]*=s;te[12]*=s;te[1]*=s;te[5]*=s;te[9]*=s;te[13]*=s;te[2]*=s;te[6]*=s;te[10]*=s;te[14]*=s;te[3]*=s;te[7]*=s;te[11]*=s;te[15]*=s;return this;},applyToBufferAttribute:function(){var v1=new Vector3();return function applyToBufferAttribute(attribute){for(var i=0,l=attribute.count;i<l;i++){v1.x=attribute.getX(i);v1.y=attribute.getY(i);v1.z=attribute.getZ(i);v1.applyMatrix4(this);attribute.setXYZ(i,v1.x,v1.y,v1.z);}
return attribute;};}(),determinant:function(){var te=this.elements;var n11=te[0],n12=te[4],n13=te[8],n14=te[12];var n21=te[1],n22=te[5],n23=te[9],n24=te[13];var n31=te[2],n32=te[6],n33=te[10],n34=te[14];var n41=te[3],n42=te[7],n43=te[11],n44=te[15];return(n41*(+n14*n23*n32
-n13*n24*n32
-n14*n22*n33
+n12*n24*n33
+n13*n22*n34
-n12*n23*n34)+
n42*(+n11*n23*n34
-n11*n24*n33
+n14*n21*n33
-n13*n21*n34
+n13*n24*n31
-n14*n23*n31)+
n43*(+n11*n24*n32
-n11*n22*n34
-n14*n21*n32
+n12*n21*n34
+n14*n22*n31
-n12*n24*n31)+
n44*(-n13*n22*n31
-n11*n23*n32
+n11*n22*n33
+n13*n21*n32
-n12*n21*n33
+n12*n23*n31));},transpose:function(){var te=this.elements;var tmp;tmp=te[1];te[1]=te[4];te[4]=tmp;tmp=te[2];te[2]=te[8];te[8]=tmp;tmp=te[6];te[6]=te[9];te[9]=tmp;tmp=te[3];te[3]=te[12];te[12]=tmp;tmp=te[7];te[7]=te[13];te[13]=tmp;tmp=te[11];te[11]=te[14];te[14]=tmp;return this;},setPosition:function(v){var te=this.elements;te[12]=v.x;te[13]=v.y;te[14]=v.z;return this;},getInverse:function(m,throwOnDegenerate){var te=this.elements,me=m.elements,n11=me[0],n21=me[1],n31=me[2],n41=me[3],n12=me[4],n22=me[5],n32=me[6],n42=me[7],n13=me[8],n23=me[9],n33=me[10],n43=me[11],n14=me[12],n24=me[13],n34=me[14],n44=me[15],t11=n23*n34*n42-n24*n33*n42+n24*n32*n43-n22*n34*n43-n23*n32*n44+n22*n33*n44,t12=n14*n33*n42-n13*n34*n42-n14*n32*n43+n12*n34*n43+n13*n32*n44-n12*n33*n44,t13=n13*n24*n42-n14*n23*n42+n14*n22*n43-n12*n24*n43-n13*n22*n44+n12*n23*n44,t14=n14*n23*n32-n13*n24*n32-n14*n22*n33+n12*n24*n33+n13*n22*n34-n12*n23*n34;var det=n11*t11+n21*t12+n31*t13+n41*t14;if(det===0){var msg="THREE.Matrix4: .getInverse() can't invert matrix, determinant is 0";if(throwOnDegenerate===true){throw new Error(msg);}else{console.warn(msg);}
return this.identity();}
var detInv=1/det;te[0]=t11*detInv;te[1]=(n24*n33*n41-n23*n34*n41-n24*n31*n43+n21*n34*n43+n23*n31*n44-n21*n33*n44)*detInv;te[2]=(n22*n34*n41-n24*n32*n41+n24*n31*n42-n21*n34*n42-n22*n31*n44+n21*n32*n44)*detInv;te[3]=(n23*n32*n41-n22*n33*n41-n23*n31*n42+n21*n33*n42+n22*n31*n43-n21*n32*n43)*detInv;te[4]=t12*detInv;te[5]=(n13*n34*n41-n14*n33*n41+n14*n31*n43-n11*n34*n43-n13*n31*n44+n11*n33*n44)*detInv;te[6]=(n14*n32*n41-n12*n34*n41-n14*n31*n42+n11*n34*n42+n12*n31*n44-n11*n32*n44)*detInv;te[7]=(n12*n33*n41-n13*n32*n41+n13*n31*n42-n11*n33*n42-n12*n31*n43+n11*n32*n43)*detInv;te[8]=t13*detInv;te[9]=(n14*n23*n41-n13*n24*n41-n14*n21*n43+n11*n24*n43+n13*n21*n44-n11*n23*n44)*detInv;te[10]=(n12*n24*n41-n14*n22*n41+n14*n21*n42-n11*n24*n42-n12*n21*n44+n11*n22*n44)*detInv;te[11]=(n13*n22*n41-n12*n23*n41-n13*n21*n42+n11*n23*n42+n12*n21*n43-n11*n22*n43)*detInv;te[12]=t14*detInv;te[13]=(n13*n24*n31-n14*n23*n31+n14*n21*n33-n11*n24*n33-n13*n21*n34+n11*n23*n34)*detInv;te[14]=(n14*n22*n31-n12*n24*n31-n14*n21*n32+n11*n24*n32+n12*n21*n34-n11*n22*n34)*detInv;te[15]=(n12*n23*n31-n13*n22*n31+n13*n21*n32-n11*n23*n32-n12*n21*n33+n11*n22*n33)*detInv;return this;},scale:function(v){var te=this.elements;var x=v.x,y=v.y,z=v.z;te[0]*=x;te[4]*=y;te[8]*=z;te[1]*=x;te[5]*=y;te[9]*=z;te[2]*=x;te[6]*=y;te[10]*=z;te[3]*=x;te[7]*=y;te[11]*=z;return this;},getMaxScaleOnAxis:function(){var te=this.elements;var scaleXSq=te[0]*te[0]+te[1]*te[1]+te[2]*te[2];var scaleYSq=te[4]*te[4]+te[5]*te[5]+te[6]*te[6];var scaleZSq=te[8]*te[8]+te[9]*te[9]+te[10]*te[10];return Math.sqrt(Math.max(scaleXSq,scaleYSq,scaleZSq));},makeTranslation:function(x,y,z){this.set(1,0,0,x,0,1,0,y,0,0,1,z,0,0,0,1);return this;},makeRotationX:function(theta){var c=Math.cos(theta),s=Math.sin(theta);this.set(1,0,0,0,0,c,-s,0,0,s,c,0,0,0,0,1);return this;},makeRotationY:function(theta){var c=Math.cos(theta),s=Math.sin(theta);this.set(c,0,s,0,0,1,0,0,-s,0,c,0,0,0,0,1);return this;},makeRotationZ:function(theta){var c=Math.cos(theta),s=Math.sin(theta);this.set(c,-s,0,0,s,c,0,0,0,0,1,0,0,0,0,1);return this;},makeRotationAxis:function(axis,angle){var c=Math.cos(angle);var s=Math.sin(angle);var t=1-c;var x=axis.x,y=axis.y,z=axis.z;var tx=t*x,ty=t*y;this.set(tx*x+c,tx*y-s*z,tx*z+s*y,0,tx*y+s*z,ty*y+c,ty*z-s*x,0,tx*z-s*y,ty*z+s*x,t*z*z+c,0,0,0,0,1);return this;},makeScale:function(x,y,z){this.set(x,0,0,0,0,y,0,0,0,0,z,0,0,0,0,1);return this;},makeShear:function(x,y,z){this.set(1,y,z,0,x,1,z,0,x,y,1,0,0,0,0,1);return this;},compose:function(position,quaternion,scale){var te=this.elements;var x=quaternion._x,y=quaternion._y,z=quaternion._z,w=quaternion._w;var x2=x+x,y2=y+y,z2=z+z;var xx=x*x2,xy=x*y2,xz=x*z2;var yy=y*y2,yz=y*z2,zz=z*z2;var wx=w*x2,wy=w*y2,wz=w*z2;var sx=scale.x,sy=scale.y,sz=scale.z;te[0]=(1-(yy+zz))*sx;te[1]=(xy+wz)*sx;te[2]=(xz-wy)*sx;te[3]=0;te[4]=(xy-wz)*sy;te[5]=(1-(xx+zz))*sy;te[6]=(yz+wx)*sy;te[7]=0;te[8]=(xz+wy)*sz;te[9]=(yz-wx)*sz;te[10]=(1-(xx+yy))*sz;te[11]=0;te[12]=position.x;te[13]=position.y;te[14]=position.z;te[15]=1;return this;},decompose:function(){var vector=new Vector3();var matrix=new Matrix4();return function decompose(position,quaternion,scale){var te=this.elements;var sx=vector.set(te[0],te[1],te[2]).length();var sy=vector.set(te[4],te[5],te[6]).length();var sz=vector.set(te[8],te[9],te[10]).length();var det=this.determinant();if(det<0)sx=-sx;position.x=te[12];position.y=te[13];position.z=te[14];matrix.copy(this);var invSX=1/sx;var invSY=1/sy;var invSZ=1/sz;matrix.elements[0]*=invSX;matrix.elements[1]*=invSX;matrix.elements[2]*=invSX;matrix.elements[4]*=invSY;matrix.elements[5]*=invSY;matrix.elements[6]*=invSY;matrix.elements[8]*=invSZ;matrix.elements[9]*=invSZ;matrix.elements[10]*=invSZ;quaternion.setFromRotationMatrix(matrix);scale.x=sx;scale.y=sy;scale.z=sz;return this;};}(),makePerspective:function(left,right,top,bottom,near,far){if(far===undefined){console.warn('THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.');}
var te=this.elements;var x=2*near/(right-left);var y=2*near/(top-bottom);var a=(right+left)/(right-left);var b=(top+bottom)/(top-bottom);var c=-(far+near)/(far-near);var d=-2*far*near/(far-near);te[0]=x;te[4]=0;te[8]=a;te[12]=0;te[1]=0;te[5]=y;te[9]=b;te[13]=0;te[2]=0;te[6]=0;te[10]=c;te[14]=d;te[3]=0;te[7]=0;te[11]=-1;te[15]=0;return this;},makeOrthographic:function(left,right,top,bottom,near,far){var te=this.elements;var w=1.0/(right-left);var h=1.0/(top-bottom);var p=1.0/(far-near);var x=(right+left)*w;var y=(top+bottom)*h;var z=(far+near)*p;te[0]=2*w;te[4]=0;te[8]=0;te[12]=-x;te[1]=0;te[5]=2*h;te[9]=0;te[13]=-y;te[2]=0;te[6]=0;te[10]=-2*p;te[14]=-z;te[3]=0;te[7]=0;te[11]=0;te[15]=1;return this;},equals:function(matrix){var te=this.elements;var me=matrix.elements;for(var i=0;i<16;i++){if(te[i]!==me[i])return false;}
return true;},fromArray:function(array,offset){if(offset===undefined)offset=0;for(var i=0;i<16;i++){this.elements[i]=array[i+offset];}
return this;},toArray:function(array,offset){if(array===undefined)array=[];if(offset===undefined)offset=0;var te=this.elements;array[offset]=te[0];array[offset+1]=te[1];array[offset+2]=te[2];array[offset+3]=te[3];array[offset+4]=te[4];array[offset+5]=te[5];array[offset+6]=te[6];array[offset+7]=te[7];array[offset+8]=te[8];array[offset+9]=te[9];array[offset+10]=te[10];array[offset+11]=te[11];array[offset+12]=te[12];array[offset+13]=te[13];array[offset+14]=te[14];array[offset+15]=te[15];return array;}});function EventDispatcher(){}
Object.assign(EventDispatcher.prototype,{addEventListener:function(type,listener){if(this._listeners===undefined)this._listeners={};var listeners=this._listeners;if(listeners[type]===undefined){listeners[type]=[];}
if(listeners[type].indexOf(listener)===-1){listeners[type].push(listener);}},hasEventListener:function(type,listener){if(this._listeners===undefined)return false;var listeners=this._listeners;return listeners[type]!==undefined&&listeners[type].indexOf(listener)!==-1;},removeEventListener:function(type,listener){if(this._listeners===undefined)return;var listeners=this._listeners;var listenerArray=listeners[type];if(listenerArray!==undefined){var index=listenerArray.indexOf(listener);if(index!==-1){listenerArray.splice(index,1);}}},dispatchEvent:function(event){if(this._listeners===undefined)return;var listeners=this._listeners;var listenerArray=listeners[event.type];if(listenerArray!==undefined){event.target=this;var array=listenerArray.slice(0);for(var i=0,l=array.length;i<l;i++){array[i].call(this,event);}}}});function Euler(x,y,z,order){this._x=x||0;this._y=y||0;this._z=z||0;this._order=order||Euler.DefaultOrder;}
Euler.RotationOrders=['XYZ','YZX','ZXY','XZY','YXZ','ZYX'];Euler.DefaultOrder='XYZ';Object.defineProperties(Euler.prototype,{x:{get:function(){return this._x;},set:function(value){this._x=value;this.onChangeCallback();}},y:{get:function(){return this._y;},set:function(value){this._y=value;this.onChangeCallback();}},z:{get:function(){return this._z;},set:function(value){this._z=value;this.onChangeCallback();}},order:{get:function(){return this._order;},set:function(value){this._order=value;this.onChangeCallback();}}});Object.assign(Euler.prototype,{isEuler:true,set:function(x,y,z,order){this._x=x;this._y=y;this._z=z;this._order=order||this._order;this.onChangeCallback();return this;},clone:function(){return new this.constructor(this._x,this._y,this._z,this._order);},copy:function(euler){this._x=euler._x;this._y=euler._y;this._z=euler._z;this._order=euler._order;this.onChangeCallback();return this;},setFromRotationMatrix:function(m,order,update){var clamp=_Math.clamp;var te=m.elements;var m11=te[0],m12=te[4],m13=te[8];var m21=te[1],m22=te[5],m23=te[9];var m31=te[2],m32=te[6],m33=te[10];order=order||this._order;if(order==='XYZ'){this._y=Math.asin(clamp(m13,-1,1));if(Math.abs(m13)<0.99999){this._x=Math.atan2(-m23,m33);this._z=Math.atan2(-m12,m11);}else{this._x=Math.atan2(m32,m22);this._z=0;}}else if(order==='YXZ'){this._x=Math.asin(-clamp(m23,-1,1));if(Math.abs(m23)<0.99999){this._y=Math.atan2(m13,m33);this._z=Math.atan2(m21,m22);}else{this._y=Math.atan2(-m31,m11);this._z=0;}}else if(order==='ZXY'){this._x=Math.asin(clamp(m32,-1,1));if(Math.abs(m32)<0.99999){this._y=Math.atan2(-m31,m33);this._z=Math.atan2(-m12,m22);}else{this._y=0;this._z=Math.atan2(m21,m11);}}else if(order==='ZYX'){this._y=Math.asin(-clamp(m31,-1,1));if(Math.abs(m31)<0.99999){this._x=Math.atan2(m32,m33);this._z=Math.atan2(m21,m11);}else{this._x=0;this._z=Math.atan2(-m12,m22);}}else if(order==='YZX'){this._z=Math.asin(clamp(m21,-1,1));if(Math.abs(m21)<0.99999){this._x=Math.atan2(-m23,m22);this._y=Math.atan2(-m31,m11);}else{this._x=0;this._y=Math.atan2(m13,m33);}}else if(order==='XZY'){this._z=Math.asin(-clamp(m12,-1,1));if(Math.abs(m12)<0.99999){this._x=Math.atan2(m32,m22);this._y=Math.atan2(m13,m11);}else{this._x=Math.atan2(-m23,m33);this._y=0;}}else{console.warn('THREE.Euler: .setFromRotationMatrix() given unsupported order: '+order);}
this._order=order;if(update!==false)this.onChangeCallback();return this;},setFromQuaternion:function(){var matrix=new Matrix4();return function setFromQuaternion(q,order,update){matrix.makeRotationFromQuaternion(q);return this.setFromRotationMatrix(matrix,order,update);};}(),setFromVector3:function(v,order){return this.set(v.x,v.y,v.z,order||this._order);},reorder:function(){var q=new Quaternion();return function reorder(newOrder){q.setFromEuler(this);return this.setFromQuaternion(q,newOrder);};}(),equals:function(euler){return(euler._x===this._x)&&(euler._y===this._y)&&(euler._z===this._z)&&(euler._order===this._order);},fromArray:function(array){this._x=array[0];this._y=array[1];this._z=array[2];if(array[3]!==undefined)this._order=array[3];this.onChangeCallback();return this;},toArray:function(array,offset){if(array===undefined)array=[];if(offset===undefined)offset=0;array[offset]=this._x;array[offset+1]=this._y;array[offset+2]=this._z;array[offset+3]=this._order;return array;},toVector3:function(optionalResult){if(optionalResult){return optionalResult.set(this._x,this._y,this._z);}else{return new Vector3(this._x,this._y,this._z);}},onChange:function(callback){this.onChangeCallback=callback;return this;},onChangeCallback:function(){}});function Layers(){this.mask=1|0;}
Object.assign(Layers.prototype,{set:function(channel){this.mask=1<<channel|0;},enable:function(channel){this.mask|=1<<channel|0;},toggle:function(channel){this.mask^=1<<channel|0;},disable:function(channel){this.mask&=~(1<<channel|0);},test:function(layers){return(this.mask&layers.mask)!==0;}});function Matrix3(){this.elements=[1,0,0,0,1,0,0,0,1];if(arguments.length>0){console.error('THREE.Matrix3: the constructor no longer reads arguments. use .set() instead.');}}
Object.assign(Matrix3.prototype,{isMatrix3:true,set:function(n11,n12,n13,n21,n22,n23,n31,n32,n33){var te=this.elements;te[0]=n11;te[1]=n21;te[2]=n31;te[3]=n12;te[4]=n22;te[5]=n32;te[6]=n13;te[7]=n23;te[8]=n33;return this;},identity:function(){this.set(1,0,0,0,1,0,0,0,1);return this;},clone:function(){return new this.constructor().fromArray(this.elements);},copy:function(m){var te=this.elements;var me=m.elements;te[0]=me[0];te[1]=me[1];te[2]=me[2];te[3]=me[3];te[4]=me[4];te[5]=me[5];te[6]=me[6];te[7]=me[7];te[8]=me[8];return this;},setFromMatrix4:function(m){var me=m.elements;this.set(me[0],me[4],me[8],me[1],me[5],me[9],me[2],me[6],me[10]);return this;},applyToBufferAttribute:function(){var v1=new Vector3();return function applyToBufferAttribute(attribute){for(var i=0,l=attribute.count;i<l;i++){v1.x=attribute.getX(i);v1.y=attribute.getY(i);v1.z=attribute.getZ(i);v1.applyMatrix3(this);attribute.setXYZ(i,v1.x,v1.y,v1.z);}
return attribute;};}(),multiply:function(m){return this.multiplyMatrices(this,m);},premultiply:function(m){return this.multiplyMatrices(m,this);},multiplyMatrices:function(a,b){var ae=a.elements;var be=b.elements;var te=this.elements;var a11=ae[0],a12=ae[3],a13=ae[6];var a21=ae[1],a22=ae[4],a23=ae[7];var a31=ae[2],a32=ae[5],a33=ae[8];var b11=be[0],b12=be[3],b13=be[6];var b21=be[1],b22=be[4],b23=be[7];var b31=be[2],b32=be[5],b33=be[8];te[0]=a11*b11+a12*b21+a13*b31;te[3]=a11*b12+a12*b22+a13*b32;te[6]=a11*b13+a12*b23+a13*b33;te[1]=a21*b11+a22*b21+a23*b31;te[4]=a21*b12+a22*b22+a23*b32;te[7]=a21*b13+a22*b23+a23*b33;te[2]=a31*b11+a32*b21+a33*b31;te[5]=a31*b12+a32*b22+a33*b32;te[8]=a31*b13+a32*b23+a33*b33;return this;},multiplyScalar:function(s){var te=this.elements;te[0]*=s;te[3]*=s;te[6]*=s;te[1]*=s;te[4]*=s;te[7]*=s;te[2]*=s;te[5]*=s;te[8]*=s;return this;},determinant:function(){var te=this.elements;var a=te[0],b=te[1],c=te[2],d=te[3],e=te[4],f=te[5],g=te[6],h=te[7],i=te[8];return a*e*i-a*f*h-b*d*i+b*f*g+c*d*h-c*e*g;},getInverse:function(matrix,throwOnDegenerate){if(matrix&&matrix.isMatrix4){console.error("THREE.Matrix3: .getInverse() no longer takes a Matrix4 argument.");}
var me=matrix.elements,te=this.elements,n11=me[0],n21=me[1],n31=me[2],n12=me[3],n22=me[4],n32=me[5],n13=me[6],n23=me[7],n33=me[8],t11=n33*n22-n32*n23,t12=n32*n13-n33*n12,t13=n23*n12-n22*n13,det=n11*t11+n21*t12+n31*t13;if(det===0){var msg="THREE.Matrix3: .getInverse() can't invert matrix, determinant is 0";if(throwOnDegenerate===true){throw new Error(msg);}else{console.warn(msg);}
return this.identity();}
var detInv=1/det;te[0]=t11*detInv;te[1]=(n31*n23-n33*n21)*detInv;te[2]=(n32*n21-n31*n22)*detInv;te[3]=t12*detInv;te[4]=(n33*n11-n31*n13)*detInv;te[5]=(n31*n12-n32*n11)*detInv;te[6]=t13*detInv;te[7]=(n21*n13-n23*n11)*detInv;te[8]=(n22*n11-n21*n12)*detInv;return this;},transpose:function(){var tmp,m=this.elements;tmp=m[1];m[1]=m[3];m[3]=tmp;tmp=m[2];m[2]=m[6];m[6]=tmp;tmp=m[5];m[5]=m[7];m[7]=tmp;return this;},getNormalMatrix:function(matrix4){return this.setFromMatrix4(matrix4).getInverse(this).transpose();},transposeIntoArray:function(r){var m=this.elements;r[0]=m[0];r[1]=m[3];r[2]=m[6];r[3]=m[1];r[4]=m[4];r[5]=m[7];r[6]=m[2];r[7]=m[5];r[8]=m[8];return this;},setUvTransform:function(tx,ty,sx,sy,rotation,cx,cy){var c=Math.cos(rotation);var s=Math.sin(rotation);this.set(sx*c,sx*s,-sx*(c*cx+s*cy)+cx+tx,-sy*s,sy*c,-sy*(-s*cx+c*cy)+cy+ty,0,0,1);},scale:function(sx,sy){var te=this.elements;te[0]*=sx;te[3]*=sx;te[6]*=sx;te[1]*=sy;te[4]*=sy;te[7]*=sy;return this;},rotate:function(theta){var c=Math.cos(theta);var s=Math.sin(theta);var te=this.elements;var a11=te[0],a12=te[3],a13=te[6];var a21=te[1],a22=te[4],a23=te[7];te[0]=c*a11+s*a21;te[3]=c*a12+s*a22;te[6]=c*a13+s*a23;te[1]=-s*a11+c*a21;te[4]=-s*a12+c*a22;te[7]=-s*a13+c*a23;return this;},translate:function(tx,ty){var te=this.elements;te[0]+=tx*te[2];te[3]+=tx*te[5];te[6]+=tx*te[8];te[1]+=ty*te[2];te[4]+=ty*te[5];te[7]+=ty*te[8];return this;},equals:function(matrix){var te=this.elements;var me=matrix.elements;for(var i=0;i<9;i++){if(te[i]!==me[i])return false;}
return true;},fromArray:function(array,offset){if(offset===undefined)offset=0;for(var i=0;i<9;i++){this.elements[i]=array[i+offset];}
return this;},toArray:function(array,offset){if(array===undefined)array=[];if(offset===undefined)offset=0;var te=this.elements;array[offset]=te[0];array[offset+1]=te[1];array[offset+2]=te[2];array[offset+3]=te[3];array[offset+4]=te[4];array[offset+5]=te[5];array[offset+6]=te[6];array[offset+7]=te[7];array[offset+8]=te[8];return array;}});var object3DId=0;function Object3D(){Object.defineProperty(this,'id',{value:object3DId++});this.uuid=_Math.generateUUID();this.name='';this.type='Object3D';this.parent=null;this.children=[];this.up=Object3D.DefaultUp.clone();var position=new Vector3();var rotation=new Euler();var quaternion=new Quaternion();var scale=new Vector3(1,1,1);function onRotationChange(){quaternion.setFromEuler(rotation,false);}
function onQuaternionChange(){rotation.setFromQuaternion(quaternion,undefined,false);}
rotation.onChange(onRotationChange);quaternion.onChange(onQuaternionChange);Object.defineProperties(this,{position:{configurable:true,enumerable:true,value:position},rotation:{configurable:true,enumerable:true,value:rotation},quaternion:{configurable:true,enumerable:true,value:quaternion},scale:{configurable:true,enumerable:true,value:scale},modelViewMatrix:{value:new Matrix4()},normalMatrix:{value:new Matrix3()}});this.matrix=new Matrix4();this.matrixWorld=new Matrix4();this.matrixAutoUpdate=Object3D.DefaultMatrixAutoUpdate;this.matrixWorldNeedsUpdate=false;this.layers=new Layers();this.visible=true;this.castShadow=false;this.receiveShadow=false;this.frustumCulled=true;this.renderOrder=0;this.userData={};}
Object3D.DefaultUp=new Vector3(0,1,0);Object3D.DefaultMatrixAutoUpdate=true;Object3D.prototype=Object.assign(Object.create(EventDispatcher.prototype),{constructor:Object3D,isObject3D:true,onBeforeRender:function(){},onAfterRender:function(){},applyMatrix:function(matrix){this.matrix.multiplyMatrices(matrix,this.matrix);this.matrix.decompose(this.position,this.quaternion,this.scale);},applyQuaternion:function(q){this.quaternion.premultiply(q);return this;},setRotationFromAxisAngle:function(axis,angle){this.quaternion.setFromAxisAngle(axis,angle);},setRotationFromEuler:function(euler){this.quaternion.setFromEuler(euler,true);},setRotationFromMatrix:function(m){this.quaternion.setFromRotationMatrix(m);},setRotationFromQuaternion:function(q){this.quaternion.copy(q);},rotateOnAxis:function(){var q1=new Quaternion();return function rotateOnAxis(axis,angle){q1.setFromAxisAngle(axis,angle);this.quaternion.multiply(q1);return this;};}(),rotateOnWorldAxis:function(){var q1=new Quaternion();return function rotateOnWorldAxis(axis,angle){q1.setFromAxisAngle(axis,angle);this.quaternion.premultiply(q1);return this;};}(),rotateX:function(){var v1=new Vector3(1,0,0);return function rotateX(angle){return this.rotateOnAxis(v1,angle);};}(),rotateY:function(){var v1=new Vector3(0,1,0);return function rotateY(angle){return this.rotateOnAxis(v1,angle);};}(),rotateZ:function(){var v1=new Vector3(0,0,1);return function rotateZ(angle){return this.rotateOnAxis(v1,angle);};}(),translateOnAxis:function(){var v1=new Vector3();return function translateOnAxis(axis,distance){v1.copy(axis).applyQuaternion(this.quaternion);this.position.add(v1.multiplyScalar(distance));return this;};}(),translateX:function(){var v1=new Vector3(1,0,0);return function translateX(distance){return this.translateOnAxis(v1,distance);};}(),translateY:function(){var v1=new Vector3(0,1,0);return function translateY(distance){return this.translateOnAxis(v1,distance);};}(),translateZ:function(){var v1=new Vector3(0,0,1);return function translateZ(distance){return this.translateOnAxis(v1,distance);};}(),localToWorld:function(vector){return vector.applyMatrix4(this.matrixWorld);},worldToLocal:function(){var m1=new Matrix4();return function worldToLocal(vector){return vector.applyMatrix4(m1.getInverse(this.matrixWorld));};}(),lookAt:function(){var q1=new Quaternion();var m1=new Matrix4();var target=new Vector3();var position=new Vector3();return function lookAt(x,y,z){if(x.isVector3){target.copy(x);}else{target.set(x,y,z);}
var parent=this.parent;this.updateWorldMatrix(true,false);position.setFromMatrixPosition(this.matrixWorld);if(this.isCamera||this.isLight){m1.lookAt(position,target,this.up);}else{m1.lookAt(target,position,this.up);}
this.quaternion.setFromRotationMatrix(m1);if(parent){m1.extractRotation(parent.matrixWorld);q1.setFromRotationMatrix(m1);this.quaternion.premultiply(q1.inverse());}};}(),add:function(object){if(arguments.length>1){for(var i=0;i<arguments.length;i++){this.add(arguments[i]);}
return this;}
if(object===this){console.error("THREE.Object3D.add: object can't be added as a child of itself.",object);return this;}
if((object&&object.isObject3D)){if(object.parent!==null){object.parent.remove(object);}
object.parent=this;object.dispatchEvent({type:'added'});this.children.push(object);}else{console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",object);}
return this;},remove:function(object){if(arguments.length>1){for(var i=0;i<arguments.length;i++){this.remove(arguments[i]);}
return this;}
var index=this.children.indexOf(object);if(index!==-1){object.parent=null;object.dispatchEvent({type:'removed'});this.children.splice(index,1);}
return this;},getObjectById:function(id){return this.getObjectByProperty('id',id);},getObjectByName:function(name){return this.getObjectByProperty('name',name);},getObjectByProperty:function(name,value){if(this[name]===value)return this;for(var i=0,l=this.children.length;i<l;i++){var child=this.children[i];var object=child.getObjectByProperty(name,value);if(object!==undefined){return object;}}
return undefined;},getWorldPosition:function(target){if(target===undefined){console.warn('THREE.Object3D: .getWorldPosition() target is now required');target=new Vector3();}
this.updateMatrixWorld(true);return target.setFromMatrixPosition(this.matrixWorld);},getWorldQuaternion:function(){var position=new Vector3();var scale=new Vector3();return function getWorldQuaternion(target){if(target===undefined){console.warn('THREE.Object3D: .getWorldQuaternion() target is now required');target=new Quaternion();}
this.updateMatrixWorld(true);this.matrixWorld.decompose(position,target,scale);return target;};}(),getWorldScale:function(){var position=new Vector3();var quaternion=new Quaternion();return function getWorldScale(target){if(target===undefined){console.warn('THREE.Object3D: .getWorldScale() target is now required');target=new Vector3();}
this.updateMatrixWorld(true);this.matrixWorld.decompose(position,quaternion,target);return target;};}(),getWorldDirection:function(target){if(target===undefined){console.warn('THREE.Object3D: .getWorldDirection() target is now required');target=new Vector3();}
this.updateMatrixWorld(true);var e=this.matrixWorld.elements;return target.set(e[8],e[9],e[10]).normalize();},raycast:function(){},traverse:function(callback){callback(this);var children=this.children;for(var i=0,l=children.length;i<l;i++){children[i].traverse(callback);}},traverseVisible:function(callback){if(this.visible===false)return;callback(this);var children=this.children;for(var i=0,l=children.length;i<l;i++){children[i].traverseVisible(callback);}},traverseAncestors:function(callback){var parent=this.parent;if(parent!==null){callback(parent);parent.traverseAncestors(callback);}},updateMatrix:function(){this.matrix.compose(this.position,this.quaternion,this.scale);this.matrixWorldNeedsUpdate=true;},updateMatrixWorld:function(force){if(this.matrixAutoUpdate)this.updateMatrix();if(this.matrixWorldNeedsUpdate||force){if(this.parent===null){this.matrixWorld.copy(this.matrix);}else{this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix);}
this.matrixWorldNeedsUpdate=false;force=true;}
var children=this.children;for(var i=0,l=children.length;i<l;i++){children[i].updateMatrixWorld(force);}},updateWorldMatrix:function(updateParents,updateChildren){var parent=this.parent;if(updateParents===true&&parent!==null){parent.updateWorldMatrix(true,false);}
if(this.matrixAutoUpdate)this.updateMatrix();if(this.parent===null){this.matrixWorld.copy(this.matrix);}else{this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix);}
if(updateChildren===true){var children=this.children;for(var i=0,l=children.length;i<l;i++){children[i].updateWorldMatrix(false,true);}}},toJSON:function(meta){var isRootObject=(meta===undefined||typeof meta==='string');var output={};if(isRootObject){meta={geometries:{},materials:{},textures:{},images:{},shapes:{}};output.metadata={version:4.5,type:'Object',generator:'Object3D.toJSON'};}
var object={};object.uuid=this.uuid;object.type=this.type;if(this.name!=='')object.name=this.name;if(this.castShadow===true)object.castShadow=true;if(this.receiveShadow===true)object.receiveShadow=true;if(this.visible===false)object.visible=false;if(this.frustumCulled===false)object.frustumCulled=false;if(this.renderOrder!==0)object.renderOrder=this.renderOrder;if(JSON.stringify(this.userData)!=='{}')object.userData=this.userData;object.layers=this.layers.mask;object.matrix=this.matrix.toArray();if(this.matrixAutoUpdate===false)object.matrixAutoUpdate=false;function serialize(library,element){if(library[element.uuid]===undefined){library[element.uuid]=element.toJSON(meta);}
return element.uuid;}
if(this.isMesh||this.isLine||this.isPoints){object.geometry=serialize(meta.geometries,this.geometry);var parameters=this.geometry.parameters;if(parameters!==undefined&&parameters.shapes!==undefined){var shapes=parameters.shapes;if(Array.isArray(shapes)){for(var i=0,l=shapes.length;i<l;i++){var shape=shapes[i];serialize(meta.shapes,shape);}}else{serialize(meta.shapes,shapes);}}}
if(this.material!==undefined){if(Array.isArray(this.material)){var uuids=[];for(var i=0,l=this.material.length;i<l;i++){uuids.push(serialize(meta.materials,this.material[i]));}
object.material=uuids;}else{object.material=serialize(meta.materials,this.material);}}
if(this.children.length>0){object.children=[];for(var i=0;i<this.children.length;i++){object.children.push(this.children[i].toJSON(meta).object);}}
if(isRootObject){var geometries=extractFromCache(meta.geometries);var materials=extractFromCache(meta.materials);var textures=extractFromCache(meta.textures);var images=extractFromCache(meta.images);var shapes=extractFromCache(meta.shapes);if(geometries.length>0)output.geometries=geometries;if(materials.length>0)output.materials=materials;if(textures.length>0)output.textures=textures;if(images.length>0)output.images=images;if(shapes.length>0)output.shapes=shapes;}
output.object=object;return output;function extractFromCache(cache){var values=[];for(var key in cache){var data=cache[key];delete data.metadata;values.push(data);}
return values;}},clone:function(recursive){return new this.constructor().copy(this,recursive);},copy:function(source,recursive){if(recursive===undefined)recursive=true;this.name=source.name;this.up.copy(source.up);this.position.copy(source.position);this.quaternion.copy(source.quaternion);this.scale.copy(source.scale);this.matrix.copy(source.matrix);this.matrixWorld.copy(source.matrixWorld);this.matrixAutoUpdate=source.matrixAutoUpdate;this.matrixWorldNeedsUpdate=source.matrixWorldNeedsUpdate;this.layers.mask=source.layers.mask;this.visible=source.visible;this.castShadow=source.castShadow;this.receiveShadow=source.receiveShadow;this.frustumCulled=source.frustumCulled;this.renderOrder=source.renderOrder;this.userData=JSON.parse(JSON.stringify(source.userData));if(recursive===true){for(var i=0;i<source.children.length;i++){var child=source.children[i];this.add(child.clone());}}
return this;}});function Camera(){Object3D.call(this);this.type='Camera';this.matrixWorldInverse=new Matrix4();this.projectionMatrix=new Matrix4();this.projectionMatrixInverse=new Matrix4();}
Camera.prototype=Object.assign(Object.create(Object3D.prototype),{constructor:Camera,isCamera:true,copy:function(source,recursive){Object3D.prototype.copy.call(this,source,recursive);this.matrixWorldInverse.copy(source.matrixWorldInverse);this.projectionMatrix.copy(source.projectionMatrix);this.projectionMatrixInverse.copy(source.projectionMatrixInverse);return this;},getWorldDirection:function(target){if(target===undefined){console.warn('THREE.Camera: .getWorldDirection() target is now required');target=new Vector3();}
this.updateMatrixWorld(true);var e=this.matrixWorld.elements;return target.set(-e[8],-e[9],-e[10]).normalize();},updateMatrixWorld:function(force){Object3D.prototype.updateMatrixWorld.call(this,force);this.matrixWorldInverse.getInverse(this.matrixWorld);},clone:function(){return new this.constructor().copy(this);}});function PerspectiveCamera(fov,aspect,near,far){Camera.call(this);this.type='PerspectiveCamera';this.fov=fov!==undefined?fov:50;this.zoom=1;this.near=near!==undefined?near:0.1;this.far=far!==undefined?far:2000;this.focus=10;this.aspect=aspect!==undefined?aspect:1;this.view=null;this.filmGauge=35;this.filmOffset=0;this.updateProjectionMatrix();}
PerspectiveCamera.prototype=Object.assign(Object.create(Camera.prototype),{constructor:PerspectiveCamera,isPerspectiveCamera:true,copy:function(source,recursive){Camera.prototype.copy.call(this,source,recursive);this.fov=source.fov;this.zoom=source.zoom;this.near=source.near;this.far=source.far;this.focus=source.focus;this.aspect=source.aspect;this.view=source.view===null?null:Object.assign({},source.view);this.filmGauge=source.filmGauge;this.filmOffset=source.filmOffset;return this;},setFocalLength:function(focalLength){var vExtentSlope=0.5*this.getFilmHeight()/focalLength;this.fov=_Math.RAD2DEG*2*Math.atan(vExtentSlope);this.updateProjectionMatrix();},getFocalLength:function(){var vExtentSlope=Math.tan(_Math.DEG2RAD*0.5*this.fov);return 0.5*this.getFilmHeight()/vExtentSlope;},getEffectiveFOV:function(){return _Math.RAD2DEG*2*Math.atan(Math.tan(_Math.DEG2RAD*0.5*this.fov)/this.zoom);},getFilmWidth:function(){return this.filmGauge*Math.min(this.aspect,1);},getFilmHeight:function(){return this.filmGauge/Math.max(this.aspect,1);},setViewOffset:function(fullWidth,fullHeight,x,y,width,height){this.aspect=fullWidth/fullHeight;if(this.view===null){this.view={enabled:true,fullWidth:1,fullHeight:1,offsetX:0,offsetY:0,width:1,height:1};}
this.view.enabled=true;this.view.fullWidth=fullWidth;this.view.fullHeight=fullHeight;this.view.offsetX=x;this.view.offsetY=y;this.view.width=width;this.view.height=height;this.updateProjectionMatrix();},clearViewOffset:function(){if(this.view!==null){this.view.enabled=false;}
this.updateProjectionMatrix();},updateProjectionMatrix:function(){var near=this.near,top=near*Math.tan(_Math.DEG2RAD*0.5*this.fov)/this.zoom,height=2*top,width=this.aspect*height,left=-0.5*width,view=this.view;if(this.view!==null&&this.view.enabled){var fullWidth=view.fullWidth,fullHeight=view.fullHeight;left+=view.offsetX*width/fullWidth;top-=view.offsetY*height/fullHeight;width*=view.width/fullWidth;height*=view.height/fullHeight;}
var skew=this.filmOffset;if(skew!==0)left+=near*skew/this.getFilmWidth();this.projectionMatrix.makePerspective(left,left+width,top,top-height,near,this.far);this.projectionMatrixInverse.getInverse(this.projectionMatrix);},toJSON:function(meta){var data=Object3D.prototype.toJSON.call(this,meta);data.object.fov=this.fov;data.object.zoom=this.zoom;data.object.near=this.near;data.object.far=this.far;data.object.focus=this.focus;data.object.aspect=this.aspect;if(this.view!==null)data.object.view=Object.assign({},this.view);data.object.filmGauge=this.filmGauge;data.object.filmOffset=this.filmOffset;return data;}});exports.PerspectiveCamera=PerspectiveCamera;exports.Matrix4=Matrix4;exports.Vector3=Vector3;Object.defineProperty(exports,'__esModule',{value:true});}));