Updated builds.

build/three.js

@@ -1533,7 +1533,10 @@
 				this._y = s * y + t * this._y;
 				this._z = s * z + t * this._z;
 
-				return this.normalize();
+				this.normalize();
+				this._onChangeCallback();
+
+				return this;
 
 			}
 
@@ -46771,13 +46774,13 @@
 	 * @author WestLangley / http://github.com/WestLangley
 	 */
 
-	function Box3Helper( box, hex ) {
+	function Box3Helper( box, color ) {
 
 		this.type = 'Box3Helper';
 
 		this.box = box;
 
-		var color = ( hex !== undefined ) ? hex : 0xffff00;
+		color = color || 0xffff00;
 
 		var indices = 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 ] );
 

build/three.min.js

@@ -312,132 +312,132 @@ void 0!==c?c:16776960;d=void 0!==d?d:1;b=0;(c=this.object.geometry)&&c.isGeometr
 (b=1);a=new E;a.addAttribute("position",new D([-b,b,0,b,b,0,b,-b,0,-b,-b,0,-b,b,0],3));b=new Q({fog:!1});this.lightPlane=new Z(a,b);this.add(this.lightPlane);a=new E;a.addAttribute("position",new D([0,0,0,0,0,1],3));this.targetLine=new Z(a,b);this.add(this.targetLine);this.update()}function xd(a){function b(a,b,d){c(a,d);c(b,d)}function c(a,b){f.push(0,0,0);g.push(b.r,b.g,b.b);void 0===h[a]&&(h[a]=[]);h[a].push(f.length/3-1)}var d=new E,e=new Q({color:16777215,vertexColors:1}),f=[],g=[],h={},k=new B(16755200),
 m=new B(16711680),l=new B(43775),p=new B(16777215),n=new B(3355443);b("n1","n2",k);b("n2","n4",k);b("n4","n3",k);b("n3","n1",k);b("f1","f2",k);b("f2","f4",k);b("f4","f3",k);b("f3","f1",k);b("n1","f1",k);b("n2","f2",k);b("n3","f3",k);b("n4","f4",k);b("p","n1",m);b("p","n2",m);b("p","n3",m);b("p","n4",m);b("u1","u2",l);b("u2","u3",l);b("u3","u1",l);b("c","t",p);b("p","c",n);b("cn1","cn2",n);b("cn3","cn4",n);b("cf1","cf2",n);b("cf3","cf4",n);d.addAttribute("position",new D(f,3));d.addAttribute("color",
 new D(g,3));W.call(this,d,e);this.camera=a;this.camera.updateProjectionMatrix&&this.camera.updateProjectionMatrix();this.matrix=a.matrixWorld;this.matrixAutoUpdate=!1;this.pointMap=h;this.update()}function gb(a,b){this.object=a;void 0===b&&(b=16776960);a=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]);var c=new Float32Array(24),d=new E;d.setIndex(new P(a,1));d.addAttribute("position",new P(c,3));W.call(this,d,new Q({color:b}));this.matrixAutoUpdate=!1;this.update()}function yd(a,
-b){this.type="Box3Helper";this.box=a;a=void 0!==b?b:16776960;b=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]);var c=new E;c.setIndex(new P(b,1));c.addAttribute("position",new D([1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,-1,1,-1,-1,-1,-1,1,-1,-1],3));W.call(this,c,new Q({color:a}));this.geometry.computeBoundingSphere()}function zd(a,b,c){this.type="PlaneHelper";this.plane=a;this.size=void 0===b?1:b;a=void 0!==c?c:16776960;b=new E;b.addAttribute("position",new D([1,-1,1,-1,1,1,-1,-1,1,
-1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,1,0,0,1,0,0,0],3));b.computeBoundingSphere();Z.call(this,b,new Q({color:a}));b=new E;b.addAttribute("position",new D([1,1,1,-1,1,1,-1,-1,1,1,1,1,-1,-1,1,1,-1,1],3));b.computeBoundingSphere();this.add(new sa(b,new ka({color:a,opacity:.2,transparent:!0,depthWrite:!1})))}function hb(a,b,c,d,e,f){H.call(this);void 0===a&&(a=new n(0,0,1));void 0===b&&(b=new n(0,0,0));void 0===c&&(c=1);void 0===d&&(d=16776960);void 0===e&&(e=.2*c);void 0===f&&(f=.2*e);void 0===ee&&(ee=new E,
-ee.addAttribute("position",new D([0,0,0,0,1,0],3)),Te=new eb(0,.5,1,5,1),Te.translate(0,-.5,0));this.position.copy(b);this.line=new Z(ee,new Q({color:d}));this.line.matrixAutoUpdate=!1;this.add(this.line);this.cone=new sa(Te,new ka({color:d}));this.cone.matrixAutoUpdate=!1;this.add(this.cone);this.setDirection(a);this.setLength(c,e,f)}function Ad(a){a=a||1;var b=[0,0,0,a,0,0,0,0,0,0,a,0,0,0,0,0,0,a];a=new E;a.addAttribute("position",new D(b,3));a.addAttribute("color",new D([1,0,0,1,.6,0,0,1,0,.6,
-1,0,0,0,1,0,.6,1],3));b=new Q({vertexColors:2});W.call(this,a,b)}function Yf(a){console.warn("THREE.ClosedSplineCurve3 has been deprecated. Use THREE.CatmullRomCurve3 instead.");va.call(this,a);this.type="catmullrom";this.closed=!0}function Zf(a){console.warn("THREE.SplineCurve3 has been deprecated. Use THREE.CatmullRomCurve3 instead.");va.call(this,a);this.type="catmullrom"}function Ue(a){console.warn("THREE.Spline has been removed. Use THREE.CatmullRomCurve3 instead.");va.call(this,a);this.type=
-"catmullrom"}void 0===Number.EPSILON&&(Number.EPSILON=Math.pow(2,-52));void 0===Number.isInteger&&(Number.isInteger=function(a){return"number"===typeof a&&isFinite(a)&&Math.floor(a)===a});void 0===Math.sign&&(Math.sign=function(a){return 0>a?-1:0<a?1:+a});!1==="name"in Function.prototype&&Object.defineProperty(Function.prototype,"name",{get:function(){return this.toString().match(/^\s*function\s*([^\(\s]*)/)[1]}});void 0===Object.assign&&function(){Object.assign=function(a){if(void 0===a||null===
-a)throw new TypeError("Cannot convert undefined or null to object");for(var b=Object(a),c=1;c<arguments.length;c++){var d=arguments[c];if(void 0!==d&&null!==d)for(var e in d)Object.prototype.hasOwnProperty.call(d,e)&&(b[e]=d[e])}return b}}();Object.assign(ra.prototype,{addEventListener:function(a,b){void 0===this._listeners&&(this._listeners={});var c=this._listeners;void 0===c[a]&&(c[a]=[]);-1===c[a].indexOf(b)&&c[a].push(b)},hasEventListener:function(a,b){if(void 0===this._listeners)return!1;var c=
-this._listeners;return void 0!==c[a]&&-1!==c[a].indexOf(b)},removeEventListener:function(a,b){void 0!==this._listeners&&(a=this._listeners[a],void 0!==a&&(b=a.indexOf(b),-1!==b&&a.splice(b,1)))},dispatchEvent:function(a){if(void 0!==this._listeners){var b=this._listeners[a.type];if(void 0!==b){a.target=this;b=b.slice(0);for(var c=0,d=b.length;c<d;c++)b[c].call(this,a)}}}});var T={DEG2RAD:Math.PI/180,RAD2DEG:180/Math.PI,generateUUID:function(){for(var a=[],b=0;256>b;b++)a[b]=(16>b?"0":"")+b.toString(16);
-return function(){var b=4294967295*Math.random()|0,d=4294967295*Math.random()|0,e=4294967295*Math.random()|0,f=4294967295*Math.random()|0;return(a[b&255]+a[b>>8&255]+a[b>>16&255]+a[b>>24&255]+"-"+a[d&255]+a[d>>8&255]+"-"+a[d>>16&15|64]+a[d>>24&255]+"-"+a[e&63|128]+a[e>>8&255]+"-"+a[e>>16&255]+a[e>>24&255]+a[f&255]+a[f>>8&255]+a[f>>16&255]+a[f>>24&255]).toUpperCase()}}(),clamp:function(a,b,c){return Math.max(b,Math.min(c,a))},euclideanModulo:function(a,b){return(a%b+b)%b},mapLinear:function(a,b,c,
-d,e){return d+(a-b)*(e-d)/(c-b)},lerp:function(a,b,c){return(1-c)*a+c*b},smoothstep:function(a,b,c){if(a<=b)return 0;if(a>=c)return 1;a=(a-b)/(c-b);return a*a*(3-2*a)},smootherstep:function(a,b,c){if(a<=b)return 0;if(a>=c)return 1;a=(a-b)/(c-b);return a*a*a*(a*(6*a-15)+10)},randInt:function(a,b){return a+Math.floor(Math.random()*(b-a+1))},randFloat:function(a,b){return a+Math.random()*(b-a)},randFloatSpread:function(a){return a*(.5-Math.random())},degToRad:function(a){return a*T.DEG2RAD},radToDeg:function(a){return a*
-T.RAD2DEG},isPowerOfTwo:function(a){return 0===(a&a-1)&&0!==a},ceilPowerOfTwo:function(a){return Math.pow(2,Math.ceil(Math.log(a)/Math.LN2))},floorPowerOfTwo:function(a){return Math.pow(2,Math.floor(Math.log(a)/Math.LN2))}};Object.defineProperties(C.prototype,{width:{get:function(){return this.x},set:function(a){this.x=a}},height:{get:function(){return this.y},set:function(a){this.y=a}}});Object.assign(C.prototype,{isVector2:!0,set:function(a,b){this.x=a;this.y=b;return this},setScalar:function(a){this.y=
-this.x=a;return this},setX:function(a){this.x=a;return this},setY:function(a){this.y=a;return this},setComponent:function(a,b){switch(a){case 0:this.x=b;break;case 1:this.y=b;break;default:throw Error("index is out of range: "+a);}return this},getComponent:function(a){switch(a){case 0:return this.x;case 1:return this.y;default:throw Error("index is out of range: "+a);}},clone:function(){return new this.constructor(this.x,this.y)},copy:function(a){this.x=a.x;this.y=a.y;return this},add:function(a,
-b){if(void 0!==b)return console.warn("THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(a,b);this.x+=a.x;this.y+=a.y;return this},addScalar:function(a){this.x+=a;this.y+=a;return this},addVectors:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;return this},addScaledVector:function(a,b){this.x+=a.x*b;this.y+=a.y*b;return this},sub:function(a,b){if(void 0!==b)return console.warn("THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),
-this.subVectors(a,b);this.x-=a.x;this.y-=a.y;return this},subScalar:function(a){this.x-=a;this.y-=a;return this},subVectors:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;return this},multiply:function(a){this.x*=a.x;this.y*=a.y;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;return this},divide:function(a){this.x/=a.x;this.y/=a.y;return this},divideScalar:function(a){return this.multiplyScalar(1/a)},applyMatrix3:function(a){var b=this.x,c=this.y;a=a.elements;this.x=a[0]*b+a[3]*c+a[6];this.y=
-a[1]*b+a[4]*c+a[7];return this},min:function(a){this.x=Math.min(this.x,a.x);this.y=Math.min(this.y,a.y);return this},max:function(a){this.x=Math.max(this.x,a.x);this.y=Math.max(this.y,a.y);return this},clamp:function(a,b){this.x=Math.max(a.x,Math.min(b.x,this.x));this.y=Math.max(a.y,Math.min(b.y,this.y));return this},clampScalar:function(a,b){this.x=Math.max(a,Math.min(b,this.x));this.y=Math.max(a,Math.min(b,this.y));return this},clampLength:function(a,b){var c=this.length();return this.divideScalar(c||
-1).multiplyScalar(Math.max(a,Math.min(b,c)))},floor:function(){this.x=Math.floor(this.x);this.y=Math.floor(this.y);return this},ceil:function(){this.x=Math.ceil(this.x);this.y=Math.ceil(this.y);return this},round:function(){this.x=Math.round(this.x);this.y=Math.round(this.y);return this},roundToZero:function(){this.x=0>this.x?Math.ceil(this.x):Math.floor(this.x);this.y=0>this.y?Math.ceil(this.y):Math.floor(this.y);return this},negate:function(){this.x=-this.x;this.y=-this.y;return this},dot:function(a){return this.x*
-a.x+this.y*a.y},cross:function(a){return this.x*a.y-this.y*a.x},lengthSq:function(){return this.x*this.x+this.y*this.y},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y)},manhattanLength:function(){return Math.abs(this.x)+Math.abs(this.y)},normalize:function(){return this.divideScalar(this.length()||1)},angle:function(){var a=Math.atan2(this.y,this.x);0>a&&(a+=2*Math.PI);return a},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){var b=
-this.x-a.x;a=this.y-a.y;return b*b+a*a},manhattanDistanceTo:function(a){return Math.abs(this.x-a.x)+Math.abs(this.y-a.y)},setLength:function(a){return this.normalize().multiplyScalar(a)},lerp:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;return this},lerpVectors:function(a,b,c){return this.subVectors(b,a).multiplyScalar(c).add(a)},equals:function(a){return a.x===this.x&&a.y===this.y},fromArray:function(a,b){void 0===b&&(b=0);this.x=a[b];this.y=a[b+1];return this},toArray:function(a,
-b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this.x;a[b+1]=this.y;return a},fromBufferAttribute:function(a,b,c){void 0!==c&&console.warn("THREE.Vector2: offset has been removed from .fromBufferAttribute().");this.x=a.getX(b);this.y=a.getY(b);return this},rotateAround:function(a,b){var c=Math.cos(b);b=Math.sin(b);var d=this.x-a.x,e=this.y-a.y;this.x=d*c-e*b+a.x;this.y=d*b+e*c+a.y;return this}});Object.assign(fa,{slerp:function(a,b,c,d){return c.copy(a).slerp(b,d)},slerpFlat:function(a,b,c,d,e,f,g){var h=
-c[d+0],k=c[d+1],m=c[d+2];c=c[d+3];d=e[f+0];var l=e[f+1],p=e[f+2];e=e[f+3];if(c!==e||h!==d||k!==l||m!==p){f=1-g;var n=h*d+k*l+m*p+c*e,t=0<=n?1:-1,r=1-n*n;r>Number.EPSILON&&(r=Math.sqrt(r),n=Math.atan2(r,n*t),f=Math.sin(f*n)/r,g=Math.sin(g*n)/r);t*=g;h=h*f+d*t;k=k*f+l*t;m=m*f+p*t;c=c*f+e*t;f===1-g&&(g=1/Math.sqrt(h*h+k*k+m*m+c*c),h*=g,k*=g,m*=g,c*=g)}a[b]=h;a[b+1]=k;a[b+2]=m;a[b+3]=c}});Object.defineProperties(fa.prototype,{x:{get:function(){return this._x},set:function(a){this._x=a;this._onChangeCallback()}},
-y:{get:function(){return this._y},set:function(a){this._y=a;this._onChangeCallback()}},z:{get:function(){return this._z},set:function(a){this._z=a;this._onChangeCallback()}},w:{get:function(){return this._w},set:function(a){this._w=a;this._onChangeCallback()}}});Object.assign(fa.prototype,{isQuaternion:!0,set:function(a,b,c,d){this._x=a;this._y=b;this._z=c;this._w=d;this._onChangeCallback();return this},clone:function(){return new this.constructor(this._x,this._y,this._z,this._w)},copy:function(a){this._x=
-a.x;this._y=a.y;this._z=a.z;this._w=a.w;this._onChangeCallback();return this},setFromEuler:function(a,b){if(!a||!a.isEuler)throw Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");var c=a._x,d=a._y,e=a._z;a=a.order;var f=Math.cos,g=Math.sin,h=f(c/2),k=f(d/2);f=f(e/2);c=g(c/2);d=g(d/2);e=g(e/2);"XYZ"===a?(this._x=c*k*f+h*d*e,this._y=h*d*f-c*k*e,this._z=h*k*e+c*d*f,this._w=h*k*f-c*d*e):"YXZ"===a?(this._x=c*k*f+h*d*e,this._y=h*d*f-c*k*e,this._z=
-h*k*e-c*d*f,this._w=h*k*f+c*d*e):"ZXY"===a?(this._x=c*k*f-h*d*e,this._y=h*d*f+c*k*e,this._z=h*k*e+c*d*f,this._w=h*k*f-c*d*e):"ZYX"===a?(this._x=c*k*f-h*d*e,this._y=h*d*f+c*k*e,this._z=h*k*e-c*d*f,this._w=h*k*f+c*d*e):"YZX"===a?(this._x=c*k*f+h*d*e,this._y=h*d*f+c*k*e,this._z=h*k*e-c*d*f,this._w=h*k*f-c*d*e):"XZY"===a&&(this._x=c*k*f-h*d*e,this._y=h*d*f-c*k*e,this._z=h*k*e+c*d*f,this._w=h*k*f+c*d*e);!1!==b&&this._onChangeCallback();return this},setFromAxisAngle:function(a,b){b/=2;var c=Math.sin(b);
-this._x=a.x*c;this._y=a.y*c;this._z=a.z*c;this._w=Math.cos(b);this._onChangeCallback();return this},setFromRotationMatrix:function(a){var b=a.elements,c=b[0];a=b[4];var d=b[8],e=b[1],f=b[5],g=b[9],h=b[2],k=b[6];b=b[10];var m=c+f+b;0<m?(c=.5/Math.sqrt(m+1),this._w=.25/c,this._x=(k-g)*c,this._y=(d-h)*c,this._z=(e-a)*c):c>f&&c>b?(c=2*Math.sqrt(1+c-f-b),this._w=(k-g)/c,this._x=.25*c,this._y=(a+e)/c,this._z=(d+h)/c):f>b?(c=2*Math.sqrt(1+f-c-b),this._w=(d-h)/c,this._x=(a+e)/c,this._y=.25*c,this._z=(g+k)/
-c):(c=2*Math.sqrt(1+b-c-f),this._w=(e-a)/c,this._x=(d+h)/c,this._y=(g+k)/c,this._z=.25*c);this._onChangeCallback();return this},setFromUnitVectors:function(a,b){var c=a.dot(b)+1;1E-6>c?(c=0,Math.abs(a.x)>Math.abs(a.z)?(this._x=-a.y,this._y=a.x,this._z=0):(this._x=0,this._y=-a.z,this._z=a.y)):(this._x=a.y*b.z-a.z*b.y,this._y=a.z*b.x-a.x*b.z,this._z=a.x*b.y-a.y*b.x);this._w=c;return this.normalize()},angleTo:function(a){return 2*Math.acos(Math.abs(T.clamp(this.dot(a),-1,1)))},rotateTowards:function(a,
-b){var c=this.angleTo(a);if(0===c)return this;this.slerp(a,Math.min(1,b/c));return this},inverse:function(){return this.conjugate()},conjugate:function(){this._x*=-1;this._y*=-1;this._z*=-1;this._onChangeCallback();return this},dot:function(a){return this._x*a._x+this._y*a._y+this._z*a._z+this._w*a._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 a=
-this.length();0===a?(this._z=this._y=this._x=0,this._w=1):(a=1/a,this._x*=a,this._y*=a,this._z*=a,this._w*=a);this._onChangeCallback();return this},multiply:function(a,b){return void 0!==b?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(a,b)):this.multiplyQuaternions(this,a)},premultiply:function(a){return this.multiplyQuaternions(a,this)},multiplyQuaternions:function(a,b){var c=a._x,d=a._y,e=a._z;a=a._w;
-var f=b._x,g=b._y,h=b._z;b=b._w;this._x=c*b+a*f+d*h-e*g;this._y=d*b+a*g+e*f-c*h;this._z=e*b+a*h+c*g-d*f;this._w=a*b-c*f-d*g-e*h;this._onChangeCallback();return this},slerp:function(a,b){if(0===b)return this;if(1===b)return this.copy(a);var c=this._x,d=this._y,e=this._z,f=this._w,g=f*a._w+c*a._x+d*a._y+e*a._z;0>g?(this._w=-a._w,this._x=-a._x,this._y=-a._y,this._z=-a._z,g=-g):this.copy(a);if(1<=g)return this._w=f,this._x=c,this._y=d,this._z=e,this;a=1-g*g;if(a<=Number.EPSILON)return g=1-b,this._w=g*
-f+b*this._w,this._x=g*c+b*this._x,this._y=g*d+b*this._y,this._z=g*e+b*this._z,this.normalize();a=Math.sqrt(a);var h=Math.atan2(a,g);g=Math.sin((1-b)*h)/a;b=Math.sin(b*h)/a;this._w=f*g+this._w*b;this._x=c*g+this._x*b;this._y=d*g+this._y*b;this._z=e*g+this._z*b;this._onChangeCallback();return this},equals:function(a){return a._x===this._x&&a._y===this._y&&a._z===this._z&&a._w===this._w},fromArray:function(a,b){void 0===b&&(b=0);this._x=a[b];this._y=a[b+1];this._z=a[b+2];this._w=a[b+3];this._onChangeCallback();
-return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this._x;a[b+1]=this._y;a[b+2]=this._z;a[b+3]=this._w;return a},_onChange:function(a){this._onChangeCallback=a;return this},_onChangeCallback:function(){}});Object.assign(n.prototype,{isVector3:!0,set:function(a,b,c){this.x=a;this.y=b;this.z=c;return this},setScalar:function(a){this.z=this.y=this.x=a;return this},setX:function(a){this.x=a;return this},setY:function(a){this.y=a;return this},setZ:function(a){this.z=a;return this},
-setComponent:function(a,b){switch(a){case 0:this.x=b;break;case 1:this.y=b;break;case 2:this.z=b;break;default:throw Error("index is out of range: "+a);}return this},getComponent:function(a){switch(a){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw Error("index is out of range: "+a);}},clone:function(){return new this.constructor(this.x,this.y,this.z)},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;return this},add:function(a,b){if(void 0!==b)return console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),
-this.addVectors(a,b);this.x+=a.x;this.y+=a.y;this.z+=a.z;return this},addScalar:function(a){this.x+=a;this.y+=a;this.z+=a;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(a,b){this.x+=a.x*b;this.y+=a.y*b;this.z+=a.z*b;return this},sub:function(a,b){if(void 0!==b)return console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(a,b);this.x-=a.x;this.y-=a.y;this.z-=a.z;
-return this},subScalar:function(a){this.x-=a;this.y-=a;this.z-=a;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(a,b){if(void 0!==b)return console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(a,b);this.x*=a.x;this.y*=a.y;this.z*=a.z;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;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 a=new fa;return function(b){b&&b.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.");return this.applyQuaternion(a.setFromEuler(b))}}(),applyAxisAngle:function(){var a=new fa;return function(b,c){return this.applyQuaternion(a.setFromAxisAngle(b,c))}}(),applyMatrix3:function(a){var b=this.x,c=this.y,d=this.z;a=a.elements;this.x=a[0]*b+a[3]*c+a[6]*d;this.y=a[1]*
-b+a[4]*c+a[7]*d;this.z=a[2]*b+a[5]*c+a[8]*d;return this},applyMatrix4:function(a){var b=this.x,c=this.y,d=this.z;a=a.elements;var e=1/(a[3]*b+a[7]*c+a[11]*d+a[15]);this.x=(a[0]*b+a[4]*c+a[8]*d+a[12])*e;this.y=(a[1]*b+a[5]*c+a[9]*d+a[13])*e;this.z=(a[2]*b+a[6]*c+a[10]*d+a[14])*e;return this},applyQuaternion:function(a){var b=this.x,c=this.y,d=this.z,e=a.x,f=a.y,g=a.z;a=a.w;var h=a*b+f*d-g*c,k=a*c+g*b-e*d,m=a*d+e*c-f*b;b=-e*b-f*c-g*d;this.x=h*a+b*-e+k*-g-m*-f;this.y=k*a+b*-f+m*-e-h*-g;this.z=m*a+b*
--g+h*-f-k*-e;return this},project:function(a){return this.applyMatrix4(a.matrixWorldInverse).applyMatrix4(a.projectionMatrix)},unproject:function(a){return this.applyMatrix4(a.projectionMatrixInverse).applyMatrix4(a.matrixWorld)},transformDirection:function(a){var b=this.x,c=this.y,d=this.z;a=a.elements;this.x=a[0]*b+a[4]*c+a[8]*d;this.y=a[1]*b+a[5]*c+a[9]*d;this.z=a[2]*b+a[6]*c+a[10]*d;return this.normalize()},divide:function(a){this.x/=a.x;this.y/=a.y;this.z/=a.z;return this},divideScalar:function(a){return this.multiplyScalar(1/
-a)},min:function(a){this.x=Math.min(this.x,a.x);this.y=Math.min(this.y,a.y);this.z=Math.min(this.z,a.z);return this},max:function(a){this.x=Math.max(this.x,a.x);this.y=Math.max(this.y,a.y);this.z=Math.max(this.z,a.z);return this},clamp:function(a,b){this.x=Math.max(a.x,Math.min(b.x,this.x));this.y=Math.max(a.y,Math.min(b.y,this.y));this.z=Math.max(a.z,Math.min(b.z,this.z));return this},clampScalar:function(a,b){this.x=Math.max(a,Math.min(b,this.x));this.y=Math.max(a,Math.min(b,this.y));this.z=Math.max(a,
-Math.min(b,this.z));return this},clampLength:function(a,b){var c=this.length();return this.divideScalar(c||1).multiplyScalar(Math.max(a,Math.min(b,c)))},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=
-0>this.x?Math.ceil(this.x):Math.floor(this.x);this.y=0>this.y?Math.ceil(this.y):Math.floor(this.y);this.z=0>this.z?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(a){return this.x*a.x+this.y*a.y+this.z*a.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(a){return this.normalize().multiplyScalar(a)},lerp:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;this.z+=(a.z-this.z)*b;return this},lerpVectors:function(a,b,c){return this.subVectors(b,a).multiplyScalar(c).add(a)},cross:function(a,b){return void 0!==b?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(a,b)):this.crossVectors(this,
-a)},crossVectors:function(a,b){var c=a.x,d=a.y;a=a.z;var e=b.x,f=b.y;b=b.z;this.x=d*b-a*f;this.y=a*e-c*b;this.z=c*f-d*e;return this},projectOnVector:function(a){var b=a.dot(this)/a.lengthSq();return this.copy(a).multiplyScalar(b)},projectOnPlane:function(){var a=new n;return function(b){a.copy(this).projectOnVector(b);return this.sub(a)}}(),reflect:function(){var a=new n;return function(b){return this.sub(a.copy(b).multiplyScalar(2*this.dot(b)))}}(),angleTo:function(a){a=this.dot(a)/Math.sqrt(this.lengthSq()*
-a.lengthSq());return Math.acos(T.clamp(a,-1,1))},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){var b=this.x-a.x,c=this.y-a.y;a=this.z-a.z;return b*b+c*c+a*a},manhattanDistanceTo:function(a){return Math.abs(this.x-a.x)+Math.abs(this.y-a.y)+Math.abs(this.z-a.z)},setFromSpherical:function(a){return this.setFromSphericalCoords(a.radius,a.phi,a.theta)},setFromSphericalCoords:function(a,b,c){var d=Math.sin(b)*a;this.x=d*Math.sin(c);this.y=Math.cos(b)*
-a;this.z=d*Math.cos(c);return this},setFromCylindrical:function(a){return this.setFromCylindricalCoords(a.radius,a.theta,a.y)},setFromCylindricalCoords:function(a,b,c){this.x=a*Math.sin(b);this.y=c;this.z=a*Math.cos(b);return this},setFromMatrixPosition:function(a){a=a.elements;this.x=a[12];this.y=a[13];this.z=a[14];return this},setFromMatrixScale:function(a){var b=this.setFromMatrixColumn(a,0).length(),c=this.setFromMatrixColumn(a,1).length();a=this.setFromMatrixColumn(a,2).length();this.x=b;this.y=
-c;this.z=a;return this},setFromMatrixColumn:function(a,b){return this.fromArray(a.elements,4*b)},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z},fromArray:function(a,b){void 0===b&&(b=0);this.x=a[b];this.y=a[b+1];this.z=a[b+2];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this.x;a[b+1]=this.y;a[b+2]=this.z;return a},fromBufferAttribute:function(a,b,c){void 0!==c&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute().");
-this.x=a.getX(b);this.y=a.getY(b);this.z=a.getZ(b);return this}});Object.assign(ia.prototype,{isMatrix3:!0,set:function(a,b,c,d,e,f,g,h,k){var m=this.elements;m[0]=a;m[1]=d;m[2]=g;m[3]=b;m[4]=e;m[5]=h;m[6]=c;m[7]=f;m[8]=k;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(a){var b=this.elements;a=a.elements;b[0]=a[0];b[1]=a[1];b[2]=a[2];b[3]=a[3];b[4]=a[4];b[5]=a[5];b[6]=a[6];b[7]=a[7];b[8]=
-a[8];return this},setFromMatrix4:function(a){a=a.elements;this.set(a[0],a[4],a[8],a[1],a[5],a[9],a[2],a[6],a[10]);return this},applyToBufferAttribute:function(){var a=new n;return function(b){for(var c=0,d=b.count;c<d;c++)a.x=b.getX(c),a.y=b.getY(c),a.z=b.getZ(c),a.applyMatrix3(this),b.setXYZ(c,a.x,a.y,a.z);return b}}(),multiply:function(a){return this.multiplyMatrices(this,a)},premultiply:function(a){return this.multiplyMatrices(a,this)},multiplyMatrices:function(a,b){var c=a.elements,d=b.elements;
-b=this.elements;a=c[0];var e=c[3],f=c[6],g=c[1],h=c[4],k=c[7],m=c[2],l=c[5];c=c[8];var p=d[0],n=d[3],t=d[6],r=d[1],v=d[4],w=d[7],z=d[2],x=d[5];d=d[8];b[0]=a*p+e*r+f*z;b[3]=a*n+e*v+f*x;b[6]=a*t+e*w+f*d;b[1]=g*p+h*r+k*z;b[4]=g*n+h*v+k*x;b[7]=g*t+h*w+k*d;b[2]=m*p+l*r+c*z;b[5]=m*n+l*v+c*x;b[8]=m*t+l*w+c*d;return this},multiplyScalar:function(a){var b=this.elements;b[0]*=a;b[3]*=a;b[6]*=a;b[1]*=a;b[4]*=a;b[7]*=a;b[2]*=a;b[5]*=a;b[8]*=a;return this},determinant:function(){var a=this.elements,b=a[0],c=a[1],
-d=a[2],e=a[3],f=a[4],g=a[5],h=a[6],k=a[7];a=a[8];return b*f*a-b*g*k-c*e*a+c*g*h+d*e*k-d*f*h},getInverse:function(a,b){a&&a.isMatrix4&&console.error("THREE.Matrix3: .getInverse() no longer takes a Matrix4 argument.");var c=a.elements;a=this.elements;var d=c[0],e=c[1],f=c[2],g=c[3],h=c[4],k=c[5],m=c[6],l=c[7];c=c[8];var p=c*h-k*l,n=k*m-c*g,t=l*g-h*m,r=d*p+e*n+f*t;if(0===r){if(!0===b)throw Error("THREE.Matrix3: .getInverse() can't invert matrix, determinant is 0");console.warn("THREE.Matrix3: .getInverse() can't invert matrix, determinant is 0");
-return this.identity()}b=1/r;a[0]=p*b;a[1]=(f*l-c*e)*b;a[2]=(k*e-f*h)*b;a[3]=n*b;a[4]=(c*d-f*m)*b;a[5]=(f*g-k*d)*b;a[6]=t*b;a[7]=(e*m-l*d)*b;a[8]=(h*d-e*g)*b;return this},transpose:function(){var a=this.elements;var b=a[1];a[1]=a[3];a[3]=b;b=a[2];a[2]=a[6];a[6]=b;b=a[5];a[5]=a[7];a[7]=b;return this},getNormalMatrix:function(a){return this.setFromMatrix4(a).getInverse(this).transpose()},transposeIntoArray:function(a){var b=this.elements;a[0]=b[0];a[1]=b[3];a[2]=b[6];a[3]=b[1];a[4]=b[4];a[5]=b[7];a[6]=
-b[2];a[7]=b[5];a[8]=b[8];return this},setUvTransform:function(a,b,c,d,e,f,g){var h=Math.cos(e);e=Math.sin(e);this.set(c*h,c*e,-c*(h*f+e*g)+f+a,-d*e,d*h,-d*(-e*f+h*g)+g+b,0,0,1)},scale:function(a,b){var c=this.elements;c[0]*=a;c[3]*=a;c[6]*=a;c[1]*=b;c[4]*=b;c[7]*=b;return this},rotate:function(a){var b=Math.cos(a);a=Math.sin(a);var c=this.elements,d=c[0],e=c[3],f=c[6],g=c[1],h=c[4],k=c[7];c[0]=b*d+a*g;c[3]=b*e+a*h;c[6]=b*f+a*k;c[1]=-a*d+b*g;c[4]=-a*e+b*h;c[7]=-a*f+b*k;return this},translate:function(a,
-b){var c=this.elements;c[0]+=a*c[2];c[3]+=a*c[5];c[6]+=a*c[8];c[1]+=b*c[2];c[4]+=b*c[5];c[7]+=b*c[8];return this},equals:function(a){var b=this.elements;a=a.elements;for(var c=0;9>c;c++)if(b[c]!==a[c])return!1;return!0},fromArray:function(a,b){void 0===b&&(b=0);for(var c=0;9>c;c++)this.elements[c]=a[c+b];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);var c=this.elements;a[b]=c[0];a[b+1]=c[1];a[b+2]=c[2];a[b+3]=c[3];a[b+4]=c[4];a[b+5]=c[5];a[b+6]=c[6];a[b+7]=c[7];a[b+8]=c[8];
-return a}});var Bc,sb={getDataURL:function(a){if("undefined"==typeof HTMLCanvasElement)return a.src;if(!(a instanceof HTMLCanvasElement)){void 0===Bc&&(Bc=document.createElementNS("http://www.w3.org/1999/xhtml","canvas"));Bc.width=a.width;Bc.height=a.height;var b=Bc.getContext("2d");a instanceof ImageData?b.putImageData(a,0,0):b.drawImage(a,0,0,a.width,a.height);a=Bc}return 2048<a.width||2048<a.height?a.toDataURL("image/jpeg",.6):a.toDataURL("image/png")}},bg=0;U.DEFAULT_IMAGE=void 0;U.DEFAULT_MAPPING=
-300;U.prototype=Object.assign(Object.create(ra.prototype),{constructor:U,isTexture:!0,updateMatrix:function(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,this.center.x,this.center.y)},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.name=a.name;this.image=a.image;this.mipmaps=a.mipmaps.slice(0);this.mapping=a.mapping;this.wrapS=a.wrapS;this.wrapT=a.wrapT;this.magFilter=a.magFilter;this.minFilter=a.minFilter;this.anisotropy=
-a.anisotropy;this.format=a.format;this.type=a.type;this.offset.copy(a.offset);this.repeat.copy(a.repeat);this.center.copy(a.center);this.rotation=a.rotation;this.matrixAutoUpdate=a.matrixAutoUpdate;this.matrix.copy(a.matrix);this.generateMipmaps=a.generateMipmaps;this.premultiplyAlpha=a.premultiplyAlpha;this.flipY=a.flipY;this.unpackAlignment=a.unpackAlignment;this.encoding=a.encoding;return this},toJSON:function(a){var b=void 0===a||"string"===typeof a;if(!b&&void 0!==a.textures[this.uuid])return a.textures[this.uuid];
-var c={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,mapping:this.mapping,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,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};
-if(void 0!==this.image){var d=this.image;void 0===d.uuid&&(d.uuid=T.generateUUID());if(!b&&void 0===a.images[d.uuid]){if(Array.isArray(d)){var e=[];for(var f=0,g=d.length;f<g;f++)e.push(sb.getDataURL(d[f]))}else e=sb.getDataURL(d);a.images[d.uuid]={uuid:d.uuid,url:e}}c.image=d.uuid}b||(a.textures[this.uuid]=c);return c},dispose:function(){this.dispatchEvent({type:"dispose"})},transformUv:function(a){if(300!==this.mapping)return a;a.applyMatrix3(this.matrix);if(0>a.x||1<a.x)switch(this.wrapS){case 1E3:a.x-=
-Math.floor(a.x);break;case 1001:a.x=0>a.x?0:1;break;case 1002:a.x=1===Math.abs(Math.floor(a.x)%2)?Math.ceil(a.x)-a.x:a.x-Math.floor(a.x)}if(0>a.y||1<a.y)switch(this.wrapT){case 1E3:a.y-=Math.floor(a.y);break;case 1001:a.y=0>a.y?0:1;break;case 1002:a.y=1===Math.abs(Math.floor(a.y)%2)?Math.ceil(a.y)-a.y:a.y-Math.floor(a.y)}this.flipY&&(a.y=1-a.y);return a}});Object.defineProperty(U.prototype,"needsUpdate",{set:function(a){!0===a&&this.version++}});Object.defineProperties(Y.prototype,{width:{get:function(){return this.z},
-set:function(a){this.z=a}},height:{get:function(){return this.w},set:function(a){this.w=a}}});Object.assign(Y.prototype,{isVector4:!0,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},setScalar:function(a){this.w=this.z=this.y=this.x=a;return this},setX:function(a){this.x=a;return this},setY:function(a){this.y=a;return this},setZ:function(a){this.z=a;return this},setW:function(a){this.w=a;return this},setComponent:function(a,b){switch(a){case 0:this.x=b;break;case 1:this.y=b;
-break;case 2:this.z=b;break;case 3:this.w=b;break;default:throw Error("index is out of range: "+a);}return this},getComponent:function(a){switch(a){case 0:return this.x;case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw Error("index is out of range: "+a);}},clone:function(){return new this.constructor(this.x,this.y,this.z,this.w)},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=void 0!==a.w?a.w:1;return this},add:function(a,b){if(void 0!==b)return console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),
-this.addVectors(a,b);this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this},addScalar:function(a){this.x+=a;this.y+=a;this.z+=a;this.w+=a;return this},addVectors:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this},addScaledVector:function(a,b){this.x+=a.x*b;this.y+=a.y*b;this.z+=a.z*b;this.w+=a.w*b;return this},sub:function(a,b){if(void 0!==b)return console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(a,
-b);this.x-=a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},subScalar:function(a){this.x-=a;this.y-=a;this.z-=a;this.w-=a;return this},subVectors:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-b.z;this.w=a.w-b.w;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;this.w*=a;return this},applyMatrix4:function(a){var b=this.x,c=this.y,d=this.z,e=this.w;a=a.elements;this.x=a[0]*b+a[4]*c+a[8]*d+a[12]*e;this.y=a[1]*b+a[5]*c+a[9]*d+a[13]*e;this.z=a[2]*b+a[6]*c+a[10]*d+a[14]*
-e;this.w=a[3]*b+a[7]*c+a[11]*d+a[15]*e;return this},divideScalar:function(a){return this.multiplyScalar(1/a)},setAxisAngleFromQuaternion:function(a){this.w=2*Math.acos(a.w);var b=Math.sqrt(1-a.w*a.w);1E-4>b?(this.x=1,this.z=this.y=0):(this.x=a.x/b,this.y=a.y/b,this.z=a.z/b);return this},setAxisAngleFromRotationMatrix:function(a){a=a.elements;var b=a[0];var c=a[4];var d=a[8],e=a[1],f=a[5],g=a[9];var h=a[2];var k=a[6];var m=a[10];if(.01>Math.abs(c-e)&&.01>Math.abs(d-h)&&.01>Math.abs(g-k)){if(.1>Math.abs(c+
-e)&&.1>Math.abs(d+h)&&.1>Math.abs(g+k)&&.1>Math.abs(b+f+m-3))return this.set(1,0,0,0),this;a=Math.PI;b=(b+1)/2;f=(f+1)/2;m=(m+1)/2;c=(c+e)/4;d=(d+h)/4;g=(g+k)/4;b>f&&b>m?.01>b?(k=0,c=h=.707106781):(k=Math.sqrt(b),h=c/k,c=d/k):f>m?.01>f?(k=.707106781,h=0,c=.707106781):(h=Math.sqrt(f),k=c/h,c=g/h):.01>m?(h=k=.707106781,c=0):(c=Math.sqrt(m),k=d/c,h=g/c);this.set(k,h,c,a);return this}a=Math.sqrt((k-g)*(k-g)+(d-h)*(d-h)+(e-c)*(e-c));.001>Math.abs(a)&&(a=1);this.x=(k-g)/a;this.y=(d-h)/a;this.z=(e-c)/a;
-this.w=Math.acos((b+f+m-1)/2);return this},min:function(a){this.x=Math.min(this.x,a.x);this.y=Math.min(this.y,a.y);this.z=Math.min(this.z,a.z);this.w=Math.min(this.w,a.w);return this},max:function(a){this.x=Math.max(this.x,a.x);this.y=Math.max(this.y,a.y);this.z=Math.max(this.z,a.z);this.w=Math.max(this.w,a.w);return this},clamp:function(a,b){this.x=Math.max(a.x,Math.min(b.x,this.x));this.y=Math.max(a.y,Math.min(b.y,this.y));this.z=Math.max(a.z,Math.min(b.z,this.z));this.w=Math.max(a.w,Math.min(b.w,
-this.w));return this},clampScalar:function(){var a,b;return function(c,d){void 0===a&&(a=new Y,b=new Y);a.set(c,c,c,c);b.set(d,d,d,d);return this.clamp(a,b)}}(),clampLength:function(a,b){var c=this.length();return this.divideScalar(c||1).multiplyScalar(Math.max(a,Math.min(b,c)))},floor:function(){this.x=Math.floor(this.x);this.y=Math.floor(this.y);this.z=Math.floor(this.z);this.w=Math.floor(this.w);return this},ceil:function(){this.x=Math.ceil(this.x);this.y=Math.ceil(this.y);this.z=Math.ceil(this.z);
-this.w=Math.ceil(this.w);return this},round:function(){this.x=Math.round(this.x);this.y=Math.round(this.y);this.z=Math.round(this.z);this.w=Math.round(this.w);return this},roundToZero:function(){this.x=0>this.x?Math.ceil(this.x):Math.floor(this.x);this.y=0>this.y?Math.ceil(this.y):Math.floor(this.y);this.z=0>this.z?Math.ceil(this.z):Math.floor(this.z);this.w=0>this.w?Math.ceil(this.w):Math.floor(this.w);return this},negate:function(){this.x=-this.x;this.y=-this.y;this.z=-this.z;this.w=-this.w;return this},
-dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z+this.w*a.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)},manhattanLength:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)},normalize:function(){return this.divideScalar(this.length()||1)},setLength:function(a){return this.normalize().multiplyScalar(a)},lerp:function(a,b){this.x+=
-(a.x-this.x)*b;this.y+=(a.y-this.y)*b;this.z+=(a.z-this.z)*b;this.w+=(a.w-this.w)*b;return this},lerpVectors:function(a,b,c){return this.subVectors(b,a).multiplyScalar(c).add(a)},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z&&a.w===this.w},fromArray:function(a,b){void 0===b&&(b=0);this.x=a[b];this.y=a[b+1];this.z=a[b+2];this.w=a[b+3];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this.x;a[b+1]=this.y;a[b+2]=this.z;a[b+3]=this.w;return a},fromBufferAttribute:function(a,
-b,c){void 0!==c&&console.warn("THREE.Vector4: offset has been removed from .fromBufferAttribute().");this.x=a.getX(b);this.y=a.getY(b);this.z=a.getZ(b);this.w=a.getW(b);return this}});Ta.prototype=Object.assign(Object.create(ra.prototype),{constructor:Ta,isWebGLRenderTarget:!0,setSize:function(a,b){if(this.width!==a||this.height!==b)this.width=a,this.height=b,this.texture.image.width=a,this.texture.image.height=b,this.dispose();this.viewport.set(0,0,a,b);this.scissor.set(0,0,a,b)},clone:function(){return(new this.constructor).copy(this)},
-copy:function(a){this.width=a.width;this.height=a.height;this.viewport.copy(a.viewport);this.texture=a.texture.clone();this.depthBuffer=a.depthBuffer;this.stencilBuffer=a.stencilBuffer;this.depthTexture=a.depthTexture;return this},dispose:function(){this.dispatchEvent({type:"dispose"})}});he.prototype=Object.assign(Object.create(Ta.prototype),{constructor:he,isWebGLMultisampleRenderTarget:!0,copy:function(a){Ta.prototype.copy.call(this,a);this.samples=a.samples;return this}});Object.assign(L.prototype,
-{isMatrix4:!0,set:function(a,b,c,d,e,f,g,h,k,m,l,p,n,t,r,v){var q=this.elements;q[0]=a;q[4]=b;q[8]=c;q[12]=d;q[1]=e;q[5]=f;q[9]=g;q[13]=h;q[2]=k;q[6]=m;q[10]=l;q[14]=p;q[3]=n;q[7]=t;q[11]=r;q[15]=v;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 L).fromArray(this.elements)},copy:function(a){var b=this.elements;a=a.elements;b[0]=a[0];b[1]=a[1];b[2]=a[2];b[3]=a[3];b[4]=a[4];b[5]=a[5];b[6]=a[6];b[7]=a[7];b[8]=a[8];b[9]=a[9];b[10]=a[10];
-b[11]=a[11];b[12]=a[12];b[13]=a[13];b[14]=a[14];b[15]=a[15];return this},copyPosition:function(a){var b=this.elements;a=a.elements;b[12]=a[12];b[13]=a[13];b[14]=a[14];return this},extractBasis:function(a,b,c){a.setFromMatrixColumn(this,0);b.setFromMatrixColumn(this,1);c.setFromMatrixColumn(this,2);return this},makeBasis:function(a,b,c){this.set(a.x,b.x,c.x,0,a.y,b.y,c.y,0,a.z,b.z,c.z,0,0,0,0,1);return this},extractRotation:function(){var a=new n;return function(b){var c=this.elements,d=b.elements,
-e=1/a.setFromMatrixColumn(b,0).length(),f=1/a.setFromMatrixColumn(b,1).length();b=1/a.setFromMatrixColumn(b,2).length();c[0]=d[0]*e;c[1]=d[1]*e;c[2]=d[2]*e;c[3]=0;c[4]=d[4]*f;c[5]=d[5]*f;c[6]=d[6]*f;c[7]=0;c[8]=d[8]*b;c[9]=d[9]*b;c[10]=d[10]*b;c[11]=0;c[12]=0;c[13]=0;c[14]=0;c[15]=1;return this}}(),makeRotationFromEuler:function(a){a&&a.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");var b=this.elements,c=a.x,d=a.y,e=
-a.z,f=Math.cos(c);c=Math.sin(c);var g=Math.cos(d);d=Math.sin(d);var h=Math.cos(e);e=Math.sin(e);if("XYZ"===a.order){a=f*h;var k=f*e,m=c*h,l=c*e;b[0]=g*h;b[4]=-g*e;b[8]=d;b[1]=k+m*d;b[5]=a-l*d;b[9]=-c*g;b[2]=l-a*d;b[6]=m+k*d;b[10]=f*g}else"YXZ"===a.order?(a=g*h,k=g*e,m=d*h,l=d*e,b[0]=a+l*c,b[4]=m*c-k,b[8]=f*d,b[1]=f*e,b[5]=f*h,b[9]=-c,b[2]=k*c-m,b[6]=l+a*c,b[10]=f*g):"ZXY"===a.order?(a=g*h,k=g*e,m=d*h,l=d*e,b[0]=a-l*c,b[4]=-f*e,b[8]=m+k*c,b[1]=k+m*c,b[5]=f*h,b[9]=l-a*c,b[2]=-f*d,b[6]=c,b[10]=f*g):
-"ZYX"===a.order?(a=f*h,k=f*e,m=c*h,l=c*e,b[0]=g*h,b[4]=m*d-k,b[8]=a*d+l,b[1]=g*e,b[5]=l*d+a,b[9]=k*d-m,b[2]=-d,b[6]=c*g,b[10]=f*g):"YZX"===a.order?(a=f*g,k=f*d,m=c*g,l=c*d,b[0]=g*h,b[4]=l-a*e,b[8]=m*e+k,b[1]=e,b[5]=f*h,b[9]=-c*h,b[2]=-d*h,b[6]=k*e+m,b[10]=a-l*e):"XZY"===a.order&&(a=f*g,k=f*d,m=c*g,l=c*d,b[0]=g*h,b[4]=-e,b[8]=d*h,b[1]=a*e+l,b[5]=f*h,b[9]=k*e-m,b[2]=m*e-k,b[6]=c*h,b[10]=l*e+a);b[3]=0;b[7]=0;b[11]=0;b[12]=0;b[13]=0;b[14]=0;b[15]=1;return this},makeRotationFromQuaternion:function(){var a=
-new n(0,0,0),b=new n(1,1,1);return function(c){return this.compose(a,c,b)}}(),lookAt:function(){var a=new n,b=new n,c=new n;return function(d,e,f){var g=this.elements;c.subVectors(d,e);0===c.lengthSq()&&(c.z=1);c.normalize();a.crossVectors(f,c);0===a.lengthSq()&&(1===Math.abs(f.z)?c.x+=1E-4:c.z+=1E-4,c.normalize(),a.crossVectors(f,c));a.normalize();b.crossVectors(c,a);g[0]=a.x;g[4]=b.x;g[8]=c.x;g[1]=a.y;g[5]=b.y;g[9]=c.y;g[2]=a.z;g[6]=b.z;g[10]=c.z;return this}}(),multiply:function(a,b){return void 0!==
-b?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),this.multiplyMatrices(a,b)):this.multiplyMatrices(this,a)},premultiply:function(a){return this.multiplyMatrices(a,this)},multiplyMatrices:function(a,b){var c=a.elements,d=b.elements;b=this.elements;a=c[0];var e=c[4],f=c[8],g=c[12],h=c[1],k=c[5],m=c[9],l=c[13],p=c[2],n=c[6],t=c[10],r=c[14],v=c[3],w=c[7],z=c[11];c=c[15];var x=d[0],y=d[4],A=d[8],G=d[12],C=d[1],D=d[5],F=d[9],B=d[13],E=d[2],
-H=d[6],I=d[10],J=d[14],L=d[3],M=d[7],R=d[11];d=d[15];b[0]=a*x+e*C+f*E+g*L;b[4]=a*y+e*D+f*H+g*M;b[8]=a*A+e*F+f*I+g*R;b[12]=a*G+e*B+f*J+g*d;b[1]=h*x+k*C+m*E+l*L;b[5]=h*y+k*D+m*H+l*M;b[9]=h*A+k*F+m*I+l*R;b[13]=h*G+k*B+m*J+l*d;b[2]=p*x+n*C+t*E+r*L;b[6]=p*y+n*D+t*H+r*M;b[10]=p*A+n*F+t*I+r*R;b[14]=p*G+n*B+t*J+r*d;b[3]=v*x+w*C+z*E+c*L;b[7]=v*y+w*D+z*H+c*M;b[11]=v*A+w*F+z*I+c*R;b[15]=v*G+w*B+z*J+c*d;return this},multiplyScalar:function(a){var b=this.elements;b[0]*=a;b[4]*=a;b[8]*=a;b[12]*=a;b[1]*=a;b[5]*=
-a;b[9]*=a;b[13]*=a;b[2]*=a;b[6]*=a;b[10]*=a;b[14]*=a;b[3]*=a;b[7]*=a;b[11]*=a;b[15]*=a;return this},applyToBufferAttribute:function(){var a=new n;return function(b){for(var c=0,d=b.count;c<d;c++)a.x=b.getX(c),a.y=b.getY(c),a.z=b.getZ(c),a.applyMatrix4(this),b.setXYZ(c,a.x,a.y,a.z);return b}}(),determinant:function(){var a=this.elements,b=a[0],c=a[4],d=a[8],e=a[12],f=a[1],g=a[5],h=a[9],k=a[13],m=a[2],l=a[6],p=a[10],n=a[14];return a[3]*(+e*h*l-d*k*l-e*g*p+c*k*p+d*g*n-c*h*n)+a[7]*(+b*h*n-b*k*p+e*f*p-
-d*f*n+d*k*m-e*h*m)+a[11]*(+b*k*l-b*g*n-e*f*l+c*f*n+e*g*m-c*k*m)+a[15]*(-d*g*m-b*h*l+b*g*p+d*f*l-c*f*p+c*h*m)},transpose:function(){var a=this.elements;var b=a[1];a[1]=a[4];a[4]=b;b=a[2];a[2]=a[8];a[8]=b;b=a[6];a[6]=a[9];a[9]=b;b=a[3];a[3]=a[12];a[12]=b;b=a[7];a[7]=a[13];a[13]=b;b=a[11];a[11]=a[14];a[14]=b;return this},setPosition:function(a,b,c){var d=this.elements;a.isVector3?(d[12]=a.x,d[13]=a.y,d[14]=a.z):(d[12]=a,d[13]=b,d[14]=c);return this},getInverse:function(a,b){var c=this.elements,d=a.elements;
-a=d[0];var e=d[1],f=d[2],g=d[3],h=d[4],k=d[5],m=d[6],l=d[7],p=d[8],n=d[9],t=d[10],r=d[11],v=d[12],w=d[13],z=d[14];d=d[15];var x=n*z*l-w*t*l+w*m*r-k*z*r-n*m*d+k*t*d,y=v*t*l-p*z*l-v*m*r+h*z*r+p*m*d-h*t*d,A=p*w*l-v*n*l+v*k*r-h*w*r-p*k*d+h*n*d,G=v*n*m-p*w*m-v*k*t+h*w*t+p*k*z-h*n*z,C=a*x+e*y+f*A+g*G;if(0===C){if(!0===b)throw Error("THREE.Matrix4: .getInverse() can't invert matrix, determinant is 0");console.warn("THREE.Matrix4: .getInverse() can't invert matrix, determinant is 0");return this.identity()}b=
-1/C;c[0]=x*b;c[1]=(w*t*g-n*z*g-w*f*r+e*z*r+n*f*d-e*t*d)*b;c[2]=(k*z*g-w*m*g+w*f*l-e*z*l-k*f*d+e*m*d)*b;c[3]=(n*m*g-k*t*g-n*f*l+e*t*l+k*f*r-e*m*r)*b;c[4]=y*b;c[5]=(p*z*g-v*t*g+v*f*r-a*z*r-p*f*d+a*t*d)*b;c[6]=(v*m*g-h*z*g-v*f*l+a*z*l+h*f*d-a*m*d)*b;c[7]=(h*t*g-p*m*g+p*f*l-a*t*l-h*f*r+a*m*r)*b;c[8]=A*b;c[9]=(v*n*g-p*w*g-v*e*r+a*w*r+p*e*d-a*n*d)*b;c[10]=(h*w*g-v*k*g+v*e*l-a*w*l-h*e*d+a*k*d)*b;c[11]=(p*k*g-h*n*g-p*e*l+a*n*l+h*e*r-a*k*r)*b;c[12]=G*b;c[13]=(p*w*f-v*n*f+v*e*t-a*w*t-p*e*z+a*n*z)*b;c[14]=(v*
-k*f-h*w*f-v*e*m+a*w*m+h*e*z-a*k*z)*b;c[15]=(h*n*f-p*k*f+p*e*m-a*n*m-h*e*t+a*k*t)*b;return this},scale:function(a){var b=this.elements,c=a.x,d=a.y;a=a.z;b[0]*=c;b[4]*=d;b[8]*=a;b[1]*=c;b[5]*=d;b[9]*=a;b[2]*=c;b[6]*=d;b[10]*=a;b[3]*=c;b[7]*=d;b[11]*=a;return this},getMaxScaleOnAxis:function(){var a=this.elements;return Math.sqrt(Math.max(a[0]*a[0]+a[1]*a[1]+a[2]*a[2],a[4]*a[4]+a[5]*a[5]+a[6]*a[6],a[8]*a[8]+a[9]*a[9]+a[10]*a[10]))},makeTranslation:function(a,b,c){this.set(1,0,0,a,0,1,0,b,0,0,1,c,0,0,
-0,1);return this},makeRotationX:function(a){var b=Math.cos(a);a=Math.sin(a);this.set(1,0,0,0,0,b,-a,0,0,a,b,0,0,0,0,1);return this},makeRotationY:function(a){var b=Math.cos(a);a=Math.sin(a);this.set(b,0,a,0,0,1,0,0,-a,0,b,0,0,0,0,1);return this},makeRotationZ:function(a){var b=Math.cos(a);a=Math.sin(a);this.set(b,-a,0,0,a,b,0,0,0,0,1,0,0,0,0,1);return this},makeRotationAxis:function(a,b){var c=Math.cos(b);b=Math.sin(b);var d=1-c,e=a.x,f=a.y;a=a.z;var g=d*e,h=d*f;this.set(g*e+c,g*f-b*a,g*a+b*f,0,g*
-f+b*a,h*f+c,h*a-b*e,0,g*a-b*f,h*a+b*e,d*a*a+c,0,0,0,0,1);return this},makeScale:function(a,b,c){this.set(a,0,0,0,0,b,0,0,0,0,c,0,0,0,0,1);return this},makeShear:function(a,b,c){this.set(1,b,c,0,a,1,c,0,a,b,1,0,0,0,0,1);return this},compose:function(a,b,c){var d=this.elements,e=b._x,f=b._y,g=b._z,h=b._w,k=e+e,m=f+f,l=g+g;b=e*k;var p=e*m;e*=l;var n=f*m;f*=l;g*=l;k*=h;m*=h;h*=l;l=c.x;var t=c.y;c=c.z;d[0]=(1-(n+g))*l;d[1]=(p+h)*l;d[2]=(e-m)*l;d[3]=0;d[4]=(p-h)*t;d[5]=(1-(b+g))*t;d[6]=(f+k)*t;d[7]=0;d[8]=
-(e+m)*c;d[9]=(f-k)*c;d[10]=(1-(b+n))*c;d[11]=0;d[12]=a.x;d[13]=a.y;d[14]=a.z;d[15]=1;return this},decompose:function(){var a=new n,b=new L;return function(c,d,e){var f=this.elements,g=a.set(f[0],f[1],f[2]).length(),h=a.set(f[4],f[5],f[6]).length(),k=a.set(f[8],f[9],f[10]).length();0>this.determinant()&&(g=-g);c.x=f[12];c.y=f[13];c.z=f[14];b.copy(this);c=1/g;f=1/h;var m=1/k;b.elements[0]*=c;b.elements[1]*=c;b.elements[2]*=c;b.elements[4]*=f;b.elements[5]*=f;b.elements[6]*=f;b.elements[8]*=m;b.elements[9]*=
-m;b.elements[10]*=m;d.setFromRotationMatrix(b);e.x=g;e.y=h;e.z=k;return this}}(),makePerspective:function(a,b,c,d,e,f){void 0===f&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");var g=this.elements;g[0]=2*e/(b-a);g[4]=0;g[8]=(b+a)/(b-a);g[12]=0;g[1]=0;g[5]=2*e/(c-d);g[9]=(c+d)/(c-d);g[13]=0;g[2]=0;g[6]=0;g[10]=-(f+e)/(f-e);g[14]=-2*f*e/(f-e);g[3]=0;g[7]=0;g[11]=-1;g[15]=0;return this},makeOrthographic:function(a,b,c,d,e,f){var g=
-this.elements,h=1/(b-a),k=1/(c-d),m=1/(f-e);g[0]=2*h;g[4]=0;g[8]=0;g[12]=-((b+a)*h);g[1]=0;g[5]=2*k;g[9]=0;g[13]=-((c+d)*k);g[2]=0;g[6]=0;g[10]=-2*m;g[14]=-((f+e)*m);g[3]=0;g[7]=0;g[11]=0;g[15]=1;return this},equals:function(a){var b=this.elements;a=a.elements;for(var c=0;16>c;c++)if(b[c]!==a[c])return!1;return!0},fromArray:function(a,b){void 0===b&&(b=0);for(var c=0;16>c;c++)this.elements[c]=a[c+b];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);var c=this.elements;a[b]=c[0];
-a[b+1]=c[1];a[b+2]=c[2];a[b+3]=c[3];a[b+4]=c[4];a[b+5]=c[5];a[b+6]=c[6];a[b+7]=c[7];a[b+8]=c[8];a[b+9]=c[9];a[b+10]=c[10];a[b+11]=c[11];a[b+12]=c[12];a[b+13]=c[13];a[b+14]=c[14];a[b+15]=c[15];return a}});tb.RotationOrders="XYZ YZX ZXY XZY YXZ ZYX".split(" ");tb.DefaultOrder="XYZ";Object.defineProperties(tb.prototype,{x:{get:function(){return this._x},set:function(a){this._x=a;this._onChangeCallback()}},y:{get:function(){return this._y},set:function(a){this._y=a;this._onChangeCallback()}},z:{get:function(){return this._z},
-set:function(a){this._z=a;this._onChangeCallback()}},order:{get:function(){return this._order},set:function(a){this._order=a;this._onChangeCallback()}}});Object.assign(tb.prototype,{isEuler:!0,set:function(a,b,c,d){this._x=a;this._y=b;this._z=c;this._order=d||this._order;this._onChangeCallback();return this},clone:function(){return new this.constructor(this._x,this._y,this._z,this._order)},copy:function(a){this._x=a._x;this._y=a._y;this._z=a._z;this._order=a._order;this._onChangeCallback();return this},
-setFromRotationMatrix:function(a,b,c){var d=T.clamp,e=a.elements;a=e[0];var f=e[4],g=e[8],h=e[1],k=e[5],m=e[9],l=e[2],p=e[6];e=e[10];b=b||this._order;"XYZ"===b?(this._y=Math.asin(d(g,-1,1)),.99999>Math.abs(g)?(this._x=Math.atan2(-m,e),this._z=Math.atan2(-f,a)):(this._x=Math.atan2(p,k),this._z=0)):"YXZ"===b?(this._x=Math.asin(-d(m,-1,1)),.99999>Math.abs(m)?(this._y=Math.atan2(g,e),this._z=Math.atan2(h,k)):(this._y=Math.atan2(-l,a),this._z=0)):"ZXY"===b?(this._x=Math.asin(d(p,-1,1)),.99999>Math.abs(p)?
-(this._y=Math.atan2(-l,e),this._z=Math.atan2(-f,k)):(this._y=0,this._z=Math.atan2(h,a))):"ZYX"===b?(this._y=Math.asin(-d(l,-1,1)),.99999>Math.abs(l)?(this._x=Math.atan2(p,e),this._z=Math.atan2(h,a)):(this._x=0,this._z=Math.atan2(-f,k))):"YZX"===b?(this._z=Math.asin(d(h,-1,1)),.99999>Math.abs(h)?(this._x=Math.atan2(-m,k),this._y=Math.atan2(-l,a)):(this._x=0,this._y=Math.atan2(g,e))):"XZY"===b?(this._z=Math.asin(-d(f,-1,1)),.99999>Math.abs(f)?(this._x=Math.atan2(p,k),this._y=Math.atan2(g,a)):(this._x=
-Math.atan2(-m,e),this._y=0)):console.warn("THREE.Euler: .setFromRotationMatrix() given unsupported order: "+b);this._order=b;!1!==c&&this._onChangeCallback();return this},setFromQuaternion:function(){var a=new L;return function(b,c,d){a.makeRotationFromQuaternion(b);return this.setFromRotationMatrix(a,c,d)}}(),setFromVector3:function(a,b){return this.set(a.x,a.y,a.z,b||this._order)},reorder:function(){var a=new fa;return function(b){a.setFromEuler(this);return this.setFromQuaternion(a,b)}}(),equals:function(a){return a._x===
-this._x&&a._y===this._y&&a._z===this._z&&a._order===this._order},fromArray:function(a){this._x=a[0];this._y=a[1];this._z=a[2];void 0!==a[3]&&(this._order=a[3]);this._onChangeCallback();return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this._x;a[b+1]=this._y;a[b+2]=this._z;a[b+3]=this._order;return a},toVector3:function(a){return a?a.set(this._x,this._y,this._z):new n(this._x,this._y,this._z)},_onChange:function(a){this._onChangeCallback=a;return this},_onChangeCallback:function(){}});
-Object.assign(ie.prototype,{set:function(a){this.mask=1<<a|0},enable:function(a){this.mask=this.mask|1<<a|0},toggle:function(a){this.mask^=1<<a|0},disable:function(a){this.mask&=~(1<<a|0)},test:function(a){return 0!==(this.mask&a.mask)}});var cg=0;H.DefaultUp=new n(0,1,0);H.DefaultMatrixAutoUpdate=!0;H.prototype=Object.assign(Object.create(ra.prototype),{constructor:H,isObject3D:!0,onBeforeRender:function(){},onAfterRender:function(){},applyMatrix:function(a){this.matrixAutoUpdate&&this.updateMatrix();
-this.matrix.premultiply(a);this.matrix.decompose(this.position,this.quaternion,this.scale)},applyQuaternion:function(a){this.quaternion.premultiply(a);return this},setRotationFromAxisAngle:function(a,b){this.quaternion.setFromAxisAngle(a,b)},setRotationFromEuler:function(a){this.quaternion.setFromEuler(a,!0)},setRotationFromMatrix:function(a){this.quaternion.setFromRotationMatrix(a)},setRotationFromQuaternion:function(a){this.quaternion.copy(a)},rotateOnAxis:function(){var a=new fa;return function(b,
-c){a.setFromAxisAngle(b,c);this.quaternion.multiply(a);return this}}(),rotateOnWorldAxis:function(){var a=new fa;return function(b,c){a.setFromAxisAngle(b,c);this.quaternion.premultiply(a);return this}}(),rotateX:function(){var a=new n(1,0,0);return function(b){return this.rotateOnAxis(a,b)}}(),rotateY:function(){var a=new n(0,1,0);return function(b){return this.rotateOnAxis(a,b)}}(),rotateZ:function(){var a=new n(0,0,1);return function(b){return this.rotateOnAxis(a,b)}}(),translateOnAxis:function(){var a=
-new n;return function(b,c){a.copy(b).applyQuaternion(this.quaternion);this.position.add(a.multiplyScalar(c));return this}}(),translateX:function(){var a=new n(1,0,0);return function(b){return this.translateOnAxis(a,b)}}(),translateY:function(){var a=new n(0,1,0);return function(b){return this.translateOnAxis(a,b)}}(),translateZ:function(){var a=new n(0,0,1);return function(b){return this.translateOnAxis(a,b)}}(),localToWorld:function(a){return a.applyMatrix4(this.matrixWorld)},worldToLocal:function(){var a=
-new L;return function(b){return b.applyMatrix4(a.getInverse(this.matrixWorld))}}(),lookAt:function(){var a=new fa,b=new L,c=new n,d=new n;return function(e,f,g){e.isVector3?c.copy(e):c.set(e,f,g);e=this.parent;this.updateWorldMatrix(!0,!1);d.setFromMatrixPosition(this.matrixWorld);this.isCamera||this.isLight?b.lookAt(d,c,this.up):b.lookAt(c,d,this.up);this.quaternion.setFromRotationMatrix(b);e&&(b.extractRotation(e.matrixWorld),a.setFromRotationMatrix(b),this.quaternion.premultiply(a.inverse()))}}(),
-add:function(a){if(1<arguments.length){for(var b=0;b<arguments.length;b++)this.add(arguments[b]);return this}if(a===this)return console.error("THREE.Object3D.add: object can't be added as a child of itself.",a),this;a&&a.isObject3D?(null!==a.parent&&a.parent.remove(a),a.parent=this,this.children.push(a),a.dispatchEvent({type:"added"})):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",a);return this},remove:function(a){if(1<arguments.length){for(var b=0;b<arguments.length;b++)this.remove(arguments[b]);
-return this}b=this.children.indexOf(a);-1!==b&&(a.parent=null,this.children.splice(b,1),a.dispatchEvent({type:"removed"}));return this},attach:function(){var a=new L;return function(b){this.updateWorldMatrix(!0,!1);a.getInverse(this.matrixWorld);null!==b.parent&&(b.parent.updateWorldMatrix(!0,!1),a.multiply(b.parent.matrixWorld));b.applyMatrix(a);b.updateWorldMatrix(!1,!1);this.add(b);return this}}(),getObjectById:function(a){return this.getObjectByProperty("id",a)},getObjectByName:function(a){return this.getObjectByProperty("name",
-a)},getObjectByProperty:function(a,b){if(this[a]===b)return this;for(var c=0,d=this.children.length;c<d;c++){var e=this.children[c].getObjectByProperty(a,b);if(void 0!==e)return e}},getWorldPosition:function(a){void 0===a&&(console.warn("THREE.Object3D: .getWorldPosition() target is now required"),a=new n);this.updateMatrixWorld(!0);return a.setFromMatrixPosition(this.matrixWorld)},getWorldQuaternion:function(){var a=new n,b=new n;return function(c){void 0===c&&(console.warn("THREE.Object3D: .getWorldQuaternion() target is now required"),
-c=new fa);this.updateMatrixWorld(!0);this.matrixWorld.decompose(a,c,b);return c}}(),getWorldScale:function(){var a=new n,b=new fa;return function(c){void 0===c&&(console.warn("THREE.Object3D: .getWorldScale() target is now required"),c=new n);this.updateMatrixWorld(!0);this.matrixWorld.decompose(a,b,c);return c}}(),getWorldDirection:function(a){void 0===a&&(console.warn("THREE.Object3D: .getWorldDirection() target is now required"),a=new n);this.updateMatrixWorld(!0);var b=this.matrixWorld.elements;
-return a.set(b[8],b[9],b[10]).normalize()},raycast:function(){},traverse:function(a){a(this);for(var b=this.children,c=0,d=b.length;c<d;c++)b[c].traverse(a)},traverseVisible:function(a){if(!1!==this.visible){a(this);for(var b=this.children,c=0,d=b.length;c<d;c++)b[c].traverseVisible(a)}},traverseAncestors:function(a){var b=this.parent;null!==b&&(a(b),b.traverseAncestors(a))},updateMatrix:function(){this.matrix.compose(this.position,this.quaternion,this.scale);this.matrixWorldNeedsUpdate=!0},updateMatrixWorld:function(a){this.matrixAutoUpdate&&
-this.updateMatrix();if(this.matrixWorldNeedsUpdate||a)null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix),this.matrixWorldNeedsUpdate=!1,a=!0;for(var b=this.children,c=0,d=b.length;c<d;c++)b[c].updateMatrixWorld(a)},updateWorldMatrix:function(a,b){var c=this.parent;!0===a&&null!==c&&c.updateWorldMatrix(!0,!1);this.matrixAutoUpdate&&this.updateMatrix();null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,
-this.matrix);if(!0===b)for(a=this.children,b=0,c=a.length;b<c;b++)a[b].updateWorldMatrix(!1,!0)},toJSON:function(a){function b(b,c){void 0===b[c.uuid]&&(b[c.uuid]=c.toJSON(a));return c.uuid}function c(a){var b=[],c;for(c in a){var d=a[c];delete d.metadata;b.push(d)}return b}var d=void 0===a||"string"===typeof a,e={};d&&(a={geometries:{},materials:{},textures:{},images:{},shapes:{}},e.metadata={version:4.5,type:"Object",generator:"Object3D.toJSON"});var f={};f.uuid=this.uuid;f.type=this.type;""!==
-this.name&&(f.name=this.name);!0===this.castShadow&&(f.castShadow=!0);!0===this.receiveShadow&&(f.receiveShadow=!0);!1===this.visible&&(f.visible=!1);!1===this.frustumCulled&&(f.frustumCulled=!1);0!==this.renderOrder&&(f.renderOrder=this.renderOrder);"{}"!==JSON.stringify(this.userData)&&(f.userData=this.userData);f.layers=this.layers.mask;f.matrix=this.matrix.toArray();!1===this.matrixAutoUpdate&&(f.matrixAutoUpdate=!1);this.isMesh&&0!==this.drawMode&&(f.drawMode=this.drawMode);if(this.isMesh||this.isLine||
-this.isPoints){f.geometry=b(a.geometries,this.geometry);var g=this.geometry.parameters;if(void 0!==g&&void 0!==g.shapes)if(g=g.shapes,Array.isArray(g))for(var h=0,k=g.length;h<k;h++)b(a.shapes,g[h]);else b(a.shapes,g)}if(void 0!==this.material)if(Array.isArray(this.material)){g=[];h=0;for(k=this.material.length;h<k;h++)g.push(b(a.materials,this.material[h]));f.material=g}else f.material=b(a.materials,this.material);if(0<this.children.length)for(f.children=[],h=0;h<this.children.length;h++)f.children.push(this.children[h].toJSON(a).object);
-if(d){d=c(a.geometries);h=c(a.materials);k=c(a.textures);var m=c(a.images);g=c(a.shapes);0<d.length&&(e.geometries=d);0<h.length&&(e.materials=h);0<k.length&&(e.textures=k);0<m.length&&(e.images=m);0<g.length&&(e.shapes=g)}e.object=f;return e},clone:function(a){return(new this.constructor).copy(this,a)},copy:function(a,b){void 0===b&&(b=!0);this.name=a.name;this.up.copy(a.up);this.position.copy(a.position);this.quaternion.copy(a.quaternion);this.scale.copy(a.scale);this.matrix.copy(a.matrix);this.matrixWorld.copy(a.matrixWorld);
-this.matrixAutoUpdate=a.matrixAutoUpdate;this.matrixWorldNeedsUpdate=a.matrixWorldNeedsUpdate;this.layers.mask=a.layers.mask;this.visible=a.visible;this.castShadow=a.castShadow;this.receiveShadow=a.receiveShadow;this.frustumCulled=a.frustumCulled;this.renderOrder=a.renderOrder;this.userData=JSON.parse(JSON.stringify(a.userData));if(!0===b)for(b=0;b<a.children.length;b++)this.add(a.children[b].clone());return this}});Cc.prototype=Object.assign(Object.create(H.prototype),{constructor:Cc,isScene:!0,
-copy:function(a,b){H.prototype.copy.call(this,a,b);null!==a.background&&(this.background=a.background.clone());null!==a.fog&&(this.fog=a.fog.clone());null!==a.overrideMaterial&&(this.overrideMaterial=a.overrideMaterial.clone());this.autoUpdate=a.autoUpdate;this.matrixAutoUpdate=a.matrixAutoUpdate;return this},toJSON:function(a){var b=H.prototype.toJSON.call(this,a);null!==this.background&&(b.object.background=this.background.toJSON(a));null!==this.fog&&(b.object.fog=this.fog.toJSON());return b},dispose:function(){this.dispatchEvent({type:"dispose"})}});
-Object.assign(Ha.prototype,{isBox3:!0,set:function(a,b){this.min.copy(a);this.max.copy(b);return this},setFromArray:function(a){for(var b=Infinity,c=Infinity,d=Infinity,e=-Infinity,f=-Infinity,g=-Infinity,h=0,k=a.length;h<k;h+=3){var m=a[h],l=a[h+1],p=a[h+2];m<b&&(b=m);l<c&&(c=l);p<d&&(d=p);m>e&&(e=m);l>f&&(f=l);p>g&&(g=p)}this.min.set(b,c,d);this.max.set(e,f,g);return this},setFromBufferAttribute:function(a){for(var b=Infinity,c=Infinity,d=Infinity,e=-Infinity,f=-Infinity,g=-Infinity,h=0,k=a.count;h<
-k;h++){var m=a.getX(h),l=a.getY(h),p=a.getZ(h);m<b&&(b=m);l<c&&(c=l);p<d&&(d=p);m>e&&(e=m);l>f&&(f=l);p>g&&(g=p)}this.min.set(b,c,d);this.max.set(e,f,g);return this},setFromPoints:function(a){this.makeEmpty();for(var b=0,c=a.length;b<c;b++)this.expandByPoint(a[b]);return this},setFromCenterAndSize:function(){var a=new n;return function(b,c){c=a.copy(c).multiplyScalar(.5);this.min.copy(b).sub(c);this.max.copy(b).add(c);return this}}(),setFromObject:function(a){this.makeEmpty();return this.expandByObject(a)},
-clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.min.copy(a.min);this.max.copy(a.max);return this},makeEmpty:function(){this.min.x=this.min.y=this.min.z=Infinity;this.max.x=this.max.y=this.max.z=-Infinity;return this},isEmpty:function(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z},getCenter:function(a){void 0===a&&(console.warn("THREE.Box3: .getCenter() target is now required"),a=new n);return this.isEmpty()?a.set(0,0,0):a.addVectors(this.min,
-this.max).multiplyScalar(.5)},getSize:function(a){void 0===a&&(console.warn("THREE.Box3: .getSize() target is now required"),a=new n);return this.isEmpty()?a.set(0,0,0):a.subVectors(this.max,this.min)},expandByPoint:function(a){this.min.min(a);this.max.max(a);return this},expandByVector:function(a){this.min.sub(a);this.max.add(a);return this},expandByScalar:function(a){this.min.addScalar(-a);this.max.addScalar(a);return this},expandByObject:function(){function a(a){var f=a.geometry;if(void 0!==f)if(f.isGeometry)for(f=
-f.vertices,c=0,d=f.length;c<d;c++)e.copy(f[c]),e.applyMatrix4(a.matrixWorld),b.expandByPoint(e);else if(f.isBufferGeometry&&(f=f.attributes.position,void 0!==f))for(c=0,d=f.count;c<d;c++)e.fromBufferAttribute(f,c).applyMatrix4(a.matrixWorld),b.expandByPoint(e)}var b,c,d,e=new n;return function(c){b=this;c.updateMatrixWorld(!0);c.traverse(a);return this}}(),containsPoint:function(a){return a.x<this.min.x||a.x>this.max.x||a.y<this.min.y||a.y>this.max.y||a.z<this.min.z||a.z>this.max.z?!1:!0},containsBox:function(a){return this.min.x<=
-a.min.x&&a.max.x<=this.max.x&&this.min.y<=a.min.y&&a.max.y<=this.max.y&&this.min.z<=a.min.z&&a.max.z<=this.max.z},getParameter:function(a,b){void 0===b&&(console.warn("THREE.Box3: .getParameter() target is now required"),b=new n);return b.set((a.x-this.min.x)/(this.max.x-this.min.x),(a.y-this.min.y)/(this.max.y-this.min.y),(a.z-this.min.z)/(this.max.z-this.min.z))},intersectsBox:function(a){return a.max.x<this.min.x||a.min.x>this.max.x||a.max.y<this.min.y||a.min.y>this.max.y||a.max.z<this.min.z||
-a.min.z>this.max.z?!1:!0},intersectsSphere:function(){var a=new n;return function(b){this.clampPoint(b.center,a);return a.distanceToSquared(b.center)<=b.radius*b.radius}}(),intersectsPlane:function(a){if(0<a.normal.x){var b=a.normal.x*this.min.x;var c=a.normal.x*this.max.x}else b=a.normal.x*this.max.x,c=a.normal.x*this.min.x;0<a.normal.y?(b+=a.normal.y*this.min.y,c+=a.normal.y*this.max.y):(b+=a.normal.y*this.max.y,c+=a.normal.y*this.min.y);0<a.normal.z?(b+=a.normal.z*this.min.z,c+=a.normal.z*this.max.z):
-(b+=a.normal.z*this.max.z,c+=a.normal.z*this.min.z);return b<=-a.constant&&c>=-a.constant},intersectsTriangle:function(){function a(a){var e;var f=0;for(e=a.length-3;f<=e;f+=3){h.fromArray(a,f);var g=m.x*Math.abs(h.x)+m.y*Math.abs(h.y)+m.z*Math.abs(h.z),k=b.dot(h),l=c.dot(h),q=d.dot(h);if(Math.max(-Math.max(k,l,q),Math.min(k,l,q))>g)return!1}return!0}var b=new n,c=new n,d=new n,e=new n,f=new n,g=new n,h=new n,k=new n,m=new n,l=new n;return function(h){if(this.isEmpty())return!1;this.getCenter(k);
-m.subVectors(this.max,k);b.subVectors(h.a,k);c.subVectors(h.b,k);d.subVectors(h.c,k);e.subVectors(c,b);f.subVectors(d,c);g.subVectors(b,d);h=[0,-e.z,e.y,0,-f.z,f.y,0,-g.z,g.y,e.z,0,-e.x,f.z,0,-f.x,g.z,0,-g.x,-e.y,e.x,0,-f.y,f.x,0,-g.y,g.x,0];if(!a(h))return!1;h=[1,0,0,0,1,0,0,0,1];if(!a(h))return!1;l.crossVectors(e,f);h=[l.x,l.y,l.z];return a(h)}}(),clampPoint:function(a,b){void 0===b&&(console.warn("THREE.Box3: .clampPoint() target is now required"),b=new n);return b.copy(a).clamp(this.min,this.max)},
-distanceToPoint:function(){var a=new n;return function(b){return a.copy(b).clamp(this.min,this.max).sub(b).length()}}(),getBoundingSphere:function(){var a=new n;return function(b){void 0===b&&console.error("THREE.Box3: .getBoundingSphere() target is now required");this.getCenter(b.center);b.radius=.5*this.getSize(a).length();return b}}(),intersect:function(a){this.min.max(a.min);this.max.min(a.max);this.isEmpty()&&this.makeEmpty();return this},union:function(a){this.min.min(a.min);this.max.max(a.max);
-return this},applyMatrix4:function(){var a=[new n,new n,new n,new n,new n,new n,new n,new n];return function(b){if(this.isEmpty())return this;a[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(b);a[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(b);a[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(b);a[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(b);a[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(b);a[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(b);a[6].set(this.max.x,
-this.max.y,this.min.z).applyMatrix4(b);a[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(b);this.setFromPoints(a);return this}}(),translate:function(a){this.min.add(a);this.max.add(a);return this},equals:function(a){return a.min.equals(this.min)&&a.max.equals(this.max)}});Object.assign(Ua.prototype,{set:function(a,b){this.center.copy(a);this.radius=b;return this},setFromPoints:function(){var a=new Ha;return function(b,c){var d=this.center;void 0!==c?d.copy(c):a.setFromPoints(b).getCenter(d);
-for(var e=c=0,f=b.length;e<f;e++)c=Math.max(c,d.distanceToSquared(b[e]));this.radius=Math.sqrt(c);return this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.center.copy(a.center);this.radius=a.radius;return this},empty:function(){return 0>=this.radius},containsPoint:function(a){return a.distanceToSquared(this.center)<=this.radius*this.radius},distanceToPoint:function(a){return a.distanceTo(this.center)-this.radius},intersectsSphere:function(a){var b=this.radius+
-a.radius;return a.center.distanceToSquared(this.center)<=b*b},intersectsBox:function(a){return a.intersectsSphere(this)},intersectsPlane:function(a){return Math.abs(a.distanceToPoint(this.center))<=this.radius},clampPoint:function(a,b){var c=this.center.distanceToSquared(a);void 0===b&&(console.warn("THREE.Sphere: .clampPoint() target is now required"),b=new n);b.copy(a);c>this.radius*this.radius&&(b.sub(this.center).normalize(),b.multiplyScalar(this.radius).add(this.center));return b},getBoundingBox:function(a){void 0===
-a&&(console.warn("THREE.Sphere: .getBoundingBox() target is now required"),a=new Ha);a.set(this.center,this.center);a.expandByScalar(this.radius);return a},applyMatrix4:function(a){this.center.applyMatrix4(a);this.radius*=a.getMaxScaleOnAxis();return this},translate:function(a){this.center.add(a);return this},equals:function(a){return a.center.equals(this.center)&&a.radius===this.radius}});Object.assign(ub.prototype,{set:function(a,b){this.origin.copy(a);this.direction.copy(b);return this},clone:function(){return(new this.constructor).copy(this)},
-copy:function(a){this.origin.copy(a.origin);this.direction.copy(a.direction);return this},at:function(a,b){void 0===b&&(console.warn("THREE.Ray: .at() target is now required"),b=new n);return b.copy(this.direction).multiplyScalar(a).add(this.origin)},lookAt:function(a){this.direction.copy(a).sub(this.origin).normalize();return this},recast:function(){var a=new n;return function(b){this.origin.copy(this.at(b,a));return this}}(),closestPointToPoint:function(a,b){void 0===b&&(console.warn("THREE.Ray: .closestPointToPoint() target is now required"),
+b){this.type="Box3Helper";this.box=a;b=b||16776960;a=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]);var c=new E;c.setIndex(new P(a,1));c.addAttribute("position",new D([1,1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,-1,1,-1,-1,-1,-1,1,-1,-1],3));W.call(this,c,new Q({color:b}));this.geometry.computeBoundingSphere()}function zd(a,b,c){this.type="PlaneHelper";this.plane=a;this.size=void 0===b?1:b;a=void 0!==c?c:16776960;b=new E;b.addAttribute("position",new D([1,-1,1,-1,1,1,-1,-1,1,1,1,1,-1,1,
+1,-1,-1,1,1,-1,1,1,1,1,0,0,1,0,0,0],3));b.computeBoundingSphere();Z.call(this,b,new Q({color:a}));b=new E;b.addAttribute("position",new D([1,1,1,-1,1,1,-1,-1,1,1,1,1,-1,-1,1,1,-1,1],3));b.computeBoundingSphere();this.add(new sa(b,new ka({color:a,opacity:.2,transparent:!0,depthWrite:!1})))}function hb(a,b,c,d,e,f){H.call(this);void 0===a&&(a=new n(0,0,1));void 0===b&&(b=new n(0,0,0));void 0===c&&(c=1);void 0===d&&(d=16776960);void 0===e&&(e=.2*c);void 0===f&&(f=.2*e);void 0===ee&&(ee=new E,ee.addAttribute("position",
+new D([0,0,0,0,1,0],3)),Te=new eb(0,.5,1,5,1),Te.translate(0,-.5,0));this.position.copy(b);this.line=new Z(ee,new Q({color:d}));this.line.matrixAutoUpdate=!1;this.add(this.line);this.cone=new sa(Te,new ka({color:d}));this.cone.matrixAutoUpdate=!1;this.add(this.cone);this.setDirection(a);this.setLength(c,e,f)}function Ad(a){a=a||1;var b=[0,0,0,a,0,0,0,0,0,0,a,0,0,0,0,0,0,a];a=new E;a.addAttribute("position",new D(b,3));a.addAttribute("color",new D([1,0,0,1,.6,0,0,1,0,.6,1,0,0,0,1,0,.6,1],3));b=new Q({vertexColors:2});
+W.call(this,a,b)}function Yf(a){console.warn("THREE.ClosedSplineCurve3 has been deprecated. Use THREE.CatmullRomCurve3 instead.");va.call(this,a);this.type="catmullrom";this.closed=!0}function Zf(a){console.warn("THREE.SplineCurve3 has been deprecated. Use THREE.CatmullRomCurve3 instead.");va.call(this,a);this.type="catmullrom"}function Ue(a){console.warn("THREE.Spline has been removed. Use THREE.CatmullRomCurve3 instead.");va.call(this,a);this.type="catmullrom"}void 0===Number.EPSILON&&(Number.EPSILON=
+Math.pow(2,-52));void 0===Number.isInteger&&(Number.isInteger=function(a){return"number"===typeof a&&isFinite(a)&&Math.floor(a)===a});void 0===Math.sign&&(Math.sign=function(a){return 0>a?-1:0<a?1:+a});!1==="name"in Function.prototype&&Object.defineProperty(Function.prototype,"name",{get:function(){return this.toString().match(/^\s*function\s*([^\(\s]*)/)[1]}});void 0===Object.assign&&function(){Object.assign=function(a){if(void 0===a||null===a)throw new TypeError("Cannot convert undefined or null to object");
+for(var b=Object(a),c=1;c<arguments.length;c++){var d=arguments[c];if(void 0!==d&&null!==d)for(var e in d)Object.prototype.hasOwnProperty.call(d,e)&&(b[e]=d[e])}return b}}();Object.assign(ra.prototype,{addEventListener:function(a,b){void 0===this._listeners&&(this._listeners={});var c=this._listeners;void 0===c[a]&&(c[a]=[]);-1===c[a].indexOf(b)&&c[a].push(b)},hasEventListener:function(a,b){if(void 0===this._listeners)return!1;var c=this._listeners;return void 0!==c[a]&&-1!==c[a].indexOf(b)},removeEventListener:function(a,
+b){void 0!==this._listeners&&(a=this._listeners[a],void 0!==a&&(b=a.indexOf(b),-1!==b&&a.splice(b,1)))},dispatchEvent:function(a){if(void 0!==this._listeners){var b=this._listeners[a.type];if(void 0!==b){a.target=this;b=b.slice(0);for(var c=0,d=b.length;c<d;c++)b[c].call(this,a)}}}});var T={DEG2RAD:Math.PI/180,RAD2DEG:180/Math.PI,generateUUID:function(){for(var a=[],b=0;256>b;b++)a[b]=(16>b?"0":"")+b.toString(16);return function(){var b=4294967295*Math.random()|0,d=4294967295*Math.random()|0,e=4294967295*
+Math.random()|0,f=4294967295*Math.random()|0;return(a[b&255]+a[b>>8&255]+a[b>>16&255]+a[b>>24&255]+"-"+a[d&255]+a[d>>8&255]+"-"+a[d>>16&15|64]+a[d>>24&255]+"-"+a[e&63|128]+a[e>>8&255]+"-"+a[e>>16&255]+a[e>>24&255]+a[f&255]+a[f>>8&255]+a[f>>16&255]+a[f>>24&255]).toUpperCase()}}(),clamp:function(a,b,c){return Math.max(b,Math.min(c,a))},euclideanModulo:function(a,b){return(a%b+b)%b},mapLinear:function(a,b,c,d,e){return d+(a-b)*(e-d)/(c-b)},lerp:function(a,b,c){return(1-c)*a+c*b},smoothstep:function(a,
+b,c){if(a<=b)return 0;if(a>=c)return 1;a=(a-b)/(c-b);return a*a*(3-2*a)},smootherstep:function(a,b,c){if(a<=b)return 0;if(a>=c)return 1;a=(a-b)/(c-b);return a*a*a*(a*(6*a-15)+10)},randInt:function(a,b){return a+Math.floor(Math.random()*(b-a+1))},randFloat:function(a,b){return a+Math.random()*(b-a)},randFloatSpread:function(a){return a*(.5-Math.random())},degToRad:function(a){return a*T.DEG2RAD},radToDeg:function(a){return a*T.RAD2DEG},isPowerOfTwo:function(a){return 0===(a&a-1)&&0!==a},ceilPowerOfTwo:function(a){return Math.pow(2,
+Math.ceil(Math.log(a)/Math.LN2))},floorPowerOfTwo:function(a){return Math.pow(2,Math.floor(Math.log(a)/Math.LN2))}};Object.defineProperties(C.prototype,{width:{get:function(){return this.x},set:function(a){this.x=a}},height:{get:function(){return this.y},set:function(a){this.y=a}}});Object.assign(C.prototype,{isVector2:!0,set:function(a,b){this.x=a;this.y=b;return this},setScalar:function(a){this.y=this.x=a;return this},setX:function(a){this.x=a;return this},setY:function(a){this.y=a;return this},
+setComponent:function(a,b){switch(a){case 0:this.x=b;break;case 1:this.y=b;break;default:throw Error("index is out of range: "+a);}return this},getComponent:function(a){switch(a){case 0:return this.x;case 1:return this.y;default:throw Error("index is out of range: "+a);}},clone:function(){return new this.constructor(this.x,this.y)},copy:function(a){this.x=a.x;this.y=a.y;return this},add:function(a,b){if(void 0!==b)return console.warn("THREE.Vector2: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),
+this.addVectors(a,b);this.x+=a.x;this.y+=a.y;return this},addScalar:function(a){this.x+=a;this.y+=a;return this},addVectors:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;return this},addScaledVector:function(a,b){this.x+=a.x*b;this.y+=a.y*b;return this},sub:function(a,b){if(void 0!==b)return console.warn("THREE.Vector2: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(a,b);this.x-=a.x;this.y-=a.y;return this},subScalar:function(a){this.x-=a;this.y-=a;return this},
+subVectors:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;return this},multiply:function(a){this.x*=a.x;this.y*=a.y;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;return this},divide:function(a){this.x/=a.x;this.y/=a.y;return this},divideScalar:function(a){return this.multiplyScalar(1/a)},applyMatrix3:function(a){var b=this.x,c=this.y;a=a.elements;this.x=a[0]*b+a[3]*c+a[6];this.y=a[1]*b+a[4]*c+a[7];return this},min:function(a){this.x=Math.min(this.x,a.x);this.y=Math.min(this.y,a.y);return this},
+max:function(a){this.x=Math.max(this.x,a.x);this.y=Math.max(this.y,a.y);return this},clamp:function(a,b){this.x=Math.max(a.x,Math.min(b.x,this.x));this.y=Math.max(a.y,Math.min(b.y,this.y));return this},clampScalar:function(a,b){this.x=Math.max(a,Math.min(b,this.x));this.y=Math.max(a,Math.min(b,this.y));return this},clampLength:function(a,b){var c=this.length();return this.divideScalar(c||1).multiplyScalar(Math.max(a,Math.min(b,c)))},floor:function(){this.x=Math.floor(this.x);this.y=Math.floor(this.y);
+return this},ceil:function(){this.x=Math.ceil(this.x);this.y=Math.ceil(this.y);return this},round:function(){this.x=Math.round(this.x);this.y=Math.round(this.y);return this},roundToZero:function(){this.x=0>this.x?Math.ceil(this.x):Math.floor(this.x);this.y=0>this.y?Math.ceil(this.y):Math.floor(this.y);return this},negate:function(){this.x=-this.x;this.y=-this.y;return this},dot:function(a){return this.x*a.x+this.y*a.y},cross:function(a){return this.x*a.y-this.y*a.x},lengthSq:function(){return this.x*
+this.x+this.y*this.y},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y)},manhattanLength:function(){return Math.abs(this.x)+Math.abs(this.y)},normalize:function(){return this.divideScalar(this.length()||1)},angle:function(){var a=Math.atan2(this.y,this.x);0>a&&(a+=2*Math.PI);return a},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){var b=this.x-a.x;a=this.y-a.y;return b*b+a*a},manhattanDistanceTo:function(a){return Math.abs(this.x-a.x)+
+Math.abs(this.y-a.y)},setLength:function(a){return this.normalize().multiplyScalar(a)},lerp:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;return this},lerpVectors:function(a,b,c){return this.subVectors(b,a).multiplyScalar(c).add(a)},equals:function(a){return a.x===this.x&&a.y===this.y},fromArray:function(a,b){void 0===b&&(b=0);this.x=a[b];this.y=a[b+1];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this.x;a[b+1]=this.y;return a},fromBufferAttribute:function(a,
+b,c){void 0!==c&&console.warn("THREE.Vector2: offset has been removed from .fromBufferAttribute().");this.x=a.getX(b);this.y=a.getY(b);return this},rotateAround:function(a,b){var c=Math.cos(b);b=Math.sin(b);var d=this.x-a.x,e=this.y-a.y;this.x=d*c-e*b+a.x;this.y=d*b+e*c+a.y;return this}});Object.assign(fa,{slerp:function(a,b,c,d){return c.copy(a).slerp(b,d)},slerpFlat:function(a,b,c,d,e,f,g){var h=c[d+0],k=c[d+1],m=c[d+2];c=c[d+3];d=e[f+0];var l=e[f+1],p=e[f+2];e=e[f+3];if(c!==e||h!==d||k!==l||m!==
+p){f=1-g;var n=h*d+k*l+m*p+c*e,t=0<=n?1:-1,r=1-n*n;r>Number.EPSILON&&(r=Math.sqrt(r),n=Math.atan2(r,n*t),f=Math.sin(f*n)/r,g=Math.sin(g*n)/r);t*=g;h=h*f+d*t;k=k*f+l*t;m=m*f+p*t;c=c*f+e*t;f===1-g&&(g=1/Math.sqrt(h*h+k*k+m*m+c*c),h*=g,k*=g,m*=g,c*=g)}a[b]=h;a[b+1]=k;a[b+2]=m;a[b+3]=c}});Object.defineProperties(fa.prototype,{x:{get:function(){return this._x},set:function(a){this._x=a;this._onChangeCallback()}},y:{get:function(){return this._y},set:function(a){this._y=a;this._onChangeCallback()}},z:{get:function(){return this._z},
+set:function(a){this._z=a;this._onChangeCallback()}},w:{get:function(){return this._w},set:function(a){this._w=a;this._onChangeCallback()}}});Object.assign(fa.prototype,{isQuaternion:!0,set:function(a,b,c,d){this._x=a;this._y=b;this._z=c;this._w=d;this._onChangeCallback();return this},clone:function(){return new this.constructor(this._x,this._y,this._z,this._w)},copy:function(a){this._x=a.x;this._y=a.y;this._z=a.z;this._w=a.w;this._onChangeCallback();return this},setFromEuler:function(a,b){if(!a||
+!a.isEuler)throw Error("THREE.Quaternion: .setFromEuler() now expects an Euler rotation rather than a Vector3 and order.");var c=a._x,d=a._y,e=a._z;a=a.order;var f=Math.cos,g=Math.sin,h=f(c/2),k=f(d/2);f=f(e/2);c=g(c/2);d=g(d/2);e=g(e/2);"XYZ"===a?(this._x=c*k*f+h*d*e,this._y=h*d*f-c*k*e,this._z=h*k*e+c*d*f,this._w=h*k*f-c*d*e):"YXZ"===a?(this._x=c*k*f+h*d*e,this._y=h*d*f-c*k*e,this._z=h*k*e-c*d*f,this._w=h*k*f+c*d*e):"ZXY"===a?(this._x=c*k*f-h*d*e,this._y=h*d*f+c*k*e,this._z=h*k*e+c*d*f,this._w=
+h*k*f-c*d*e):"ZYX"===a?(this._x=c*k*f-h*d*e,this._y=h*d*f+c*k*e,this._z=h*k*e-c*d*f,this._w=h*k*f+c*d*e):"YZX"===a?(this._x=c*k*f+h*d*e,this._y=h*d*f+c*k*e,this._z=h*k*e-c*d*f,this._w=h*k*f-c*d*e):"XZY"===a&&(this._x=c*k*f-h*d*e,this._y=h*d*f-c*k*e,this._z=h*k*e+c*d*f,this._w=h*k*f+c*d*e);!1!==b&&this._onChangeCallback();return this},setFromAxisAngle:function(a,b){b/=2;var c=Math.sin(b);this._x=a.x*c;this._y=a.y*c;this._z=a.z*c;this._w=Math.cos(b);this._onChangeCallback();return this},setFromRotationMatrix:function(a){var b=
+a.elements,c=b[0];a=b[4];var d=b[8],e=b[1],f=b[5],g=b[9],h=b[2],k=b[6];b=b[10];var m=c+f+b;0<m?(c=.5/Math.sqrt(m+1),this._w=.25/c,this._x=(k-g)*c,this._y=(d-h)*c,this._z=(e-a)*c):c>f&&c>b?(c=2*Math.sqrt(1+c-f-b),this._w=(k-g)/c,this._x=.25*c,this._y=(a+e)/c,this._z=(d+h)/c):f>b?(c=2*Math.sqrt(1+f-c-b),this._w=(d-h)/c,this._x=(a+e)/c,this._y=.25*c,this._z=(g+k)/c):(c=2*Math.sqrt(1+b-c-f),this._w=(e-a)/c,this._x=(d+h)/c,this._y=(g+k)/c,this._z=.25*c);this._onChangeCallback();return this},setFromUnitVectors:function(a,
+b){var c=a.dot(b)+1;1E-6>c?(c=0,Math.abs(a.x)>Math.abs(a.z)?(this._x=-a.y,this._y=a.x,this._z=0):(this._x=0,this._y=-a.z,this._z=a.y)):(this._x=a.y*b.z-a.z*b.y,this._y=a.z*b.x-a.x*b.z,this._z=a.x*b.y-a.y*b.x);this._w=c;return this.normalize()},angleTo:function(a){return 2*Math.acos(Math.abs(T.clamp(this.dot(a),-1,1)))},rotateTowards:function(a,b){var c=this.angleTo(a);if(0===c)return this;this.slerp(a,Math.min(1,b/c));return this},inverse:function(){return this.conjugate()},conjugate:function(){this._x*=
+-1;this._y*=-1;this._z*=-1;this._onChangeCallback();return this},dot:function(a){return this._x*a._x+this._y*a._y+this._z*a._z+this._w*a._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 a=this.length();0===a?(this._z=this._y=this._x=0,this._w=1):(a=1/a,this._x*=a,this._y*=a,this._z*=a,this._w*=a);this._onChangeCallback();return this},
+multiply:function(a,b){return void 0!==b?(console.warn("THREE.Quaternion: .multiply() now only accepts one argument. Use .multiplyQuaternions( a, b ) instead."),this.multiplyQuaternions(a,b)):this.multiplyQuaternions(this,a)},premultiply:function(a){return this.multiplyQuaternions(a,this)},multiplyQuaternions:function(a,b){var c=a._x,d=a._y,e=a._z;a=a._w;var f=b._x,g=b._y,h=b._z;b=b._w;this._x=c*b+a*f+d*h-e*g;this._y=d*b+a*g+e*f-c*h;this._z=e*b+a*h+c*g-d*f;this._w=a*b-c*f-d*g-e*h;this._onChangeCallback();
+return this},slerp:function(a,b){if(0===b)return this;if(1===b)return this.copy(a);var c=this._x,d=this._y,e=this._z,f=this._w,g=f*a._w+c*a._x+d*a._y+e*a._z;0>g?(this._w=-a._w,this._x=-a._x,this._y=-a._y,this._z=-a._z,g=-g):this.copy(a);if(1<=g)return this._w=f,this._x=c,this._y=d,this._z=e,this;a=1-g*g;if(a<=Number.EPSILON)return g=1-b,this._w=g*f+b*this._w,this._x=g*c+b*this._x,this._y=g*d+b*this._y,this._z=g*e+b*this._z,this.normalize(),this._onChangeCallback(),this;a=Math.sqrt(a);var h=Math.atan2(a,
+g);g=Math.sin((1-b)*h)/a;b=Math.sin(b*h)/a;this._w=f*g+this._w*b;this._x=c*g+this._x*b;this._y=d*g+this._y*b;this._z=e*g+this._z*b;this._onChangeCallback();return this},equals:function(a){return a._x===this._x&&a._y===this._y&&a._z===this._z&&a._w===this._w},fromArray:function(a,b){void 0===b&&(b=0);this._x=a[b];this._y=a[b+1];this._z=a[b+2];this._w=a[b+3];this._onChangeCallback();return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this._x;a[b+1]=this._y;a[b+2]=this._z;a[b+
+3]=this._w;return a},_onChange:function(a){this._onChangeCallback=a;return this},_onChangeCallback:function(){}});Object.assign(n.prototype,{isVector3:!0,set:function(a,b,c){this.x=a;this.y=b;this.z=c;return this},setScalar:function(a){this.z=this.y=this.x=a;return this},setX:function(a){this.x=a;return this},setY:function(a){this.y=a;return this},setZ:function(a){this.z=a;return this},setComponent:function(a,b){switch(a){case 0:this.x=b;break;case 1:this.y=b;break;case 2:this.z=b;break;default:throw Error("index is out of range: "+
+a);}return this},getComponent:function(a){switch(a){case 0:return this.x;case 1:return this.y;case 2:return this.z;default:throw Error("index is out of range: "+a);}},clone:function(){return new this.constructor(this.x,this.y,this.z)},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;return this},add:function(a,b){if(void 0!==b)return console.warn("THREE.Vector3: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(a,b);this.x+=a.x;this.y+=a.y;this.z+=a.z;return this},
+addScalar:function(a){this.x+=a;this.y+=a;this.z+=a;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(a,b){this.x+=a.x*b;this.y+=a.y*b;this.z+=a.z*b;return this},sub:function(a,b){if(void 0!==b)return console.warn("THREE.Vector3: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(a,b);this.x-=a.x;this.y-=a.y;this.z-=a.z;return this},subScalar:function(a){this.x-=a;this.y-=a;this.z-=a;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(a,b){if(void 0!==b)return console.warn("THREE.Vector3: .multiply() now only accepts one argument. Use .multiplyVectors( a, b ) instead."),this.multiplyVectors(a,b);this.x*=a.x;this.y*=a.y;this.z*=a.z;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;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 a=new fa;
+return function(b){b&&b.isEuler||console.error("THREE.Vector3: .applyEuler() now expects an Euler rotation rather than a Vector3 and order.");return this.applyQuaternion(a.setFromEuler(b))}}(),applyAxisAngle:function(){var a=new fa;return function(b,c){return this.applyQuaternion(a.setFromAxisAngle(b,c))}}(),applyMatrix3:function(a){var b=this.x,c=this.y,d=this.z;a=a.elements;this.x=a[0]*b+a[3]*c+a[6]*d;this.y=a[1]*b+a[4]*c+a[7]*d;this.z=a[2]*b+a[5]*c+a[8]*d;return this},applyMatrix4:function(a){var b=
+this.x,c=this.y,d=this.z;a=a.elements;var e=1/(a[3]*b+a[7]*c+a[11]*d+a[15]);this.x=(a[0]*b+a[4]*c+a[8]*d+a[12])*e;this.y=(a[1]*b+a[5]*c+a[9]*d+a[13])*e;this.z=(a[2]*b+a[6]*c+a[10]*d+a[14])*e;return this},applyQuaternion:function(a){var b=this.x,c=this.y,d=this.z,e=a.x,f=a.y,g=a.z;a=a.w;var h=a*b+f*d-g*c,k=a*c+g*b-e*d,m=a*d+e*c-f*b;b=-e*b-f*c-g*d;this.x=h*a+b*-e+k*-g-m*-f;this.y=k*a+b*-f+m*-e-h*-g;this.z=m*a+b*-g+h*-f-k*-e;return this},project:function(a){return this.applyMatrix4(a.matrixWorldInverse).applyMatrix4(a.projectionMatrix)},
+unproject:function(a){return this.applyMatrix4(a.projectionMatrixInverse).applyMatrix4(a.matrixWorld)},transformDirection:function(a){var b=this.x,c=this.y,d=this.z;a=a.elements;this.x=a[0]*b+a[4]*c+a[8]*d;this.y=a[1]*b+a[5]*c+a[9]*d;this.z=a[2]*b+a[6]*c+a[10]*d;return this.normalize()},divide:function(a){this.x/=a.x;this.y/=a.y;this.z/=a.z;return this},divideScalar:function(a){return this.multiplyScalar(1/a)},min:function(a){this.x=Math.min(this.x,a.x);this.y=Math.min(this.y,a.y);this.z=Math.min(this.z,
+a.z);return this},max:function(a){this.x=Math.max(this.x,a.x);this.y=Math.max(this.y,a.y);this.z=Math.max(this.z,a.z);return this},clamp:function(a,b){this.x=Math.max(a.x,Math.min(b.x,this.x));this.y=Math.max(a.y,Math.min(b.y,this.y));this.z=Math.max(a.z,Math.min(b.z,this.z));return this},clampScalar:function(a,b){this.x=Math.max(a,Math.min(b,this.x));this.y=Math.max(a,Math.min(b,this.y));this.z=Math.max(a,Math.min(b,this.z));return this},clampLength:function(a,b){var c=this.length();return this.divideScalar(c||
+1).multiplyScalar(Math.max(a,Math.min(b,c)))},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=0>this.x?Math.ceil(this.x):Math.floor(this.x);this.y=0>this.y?Math.ceil(this.y):Math.floor(this.y);this.z=
+0>this.z?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(a){return this.x*a.x+this.y*a.y+this.z*a.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(a){return this.normalize().multiplyScalar(a)},
+lerp:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;this.z+=(a.z-this.z)*b;return this},lerpVectors:function(a,b,c){return this.subVectors(b,a).multiplyScalar(c).add(a)},cross:function(a,b){return void 0!==b?(console.warn("THREE.Vector3: .cross() now only accepts one argument. Use .crossVectors( a, b ) instead."),this.crossVectors(a,b)):this.crossVectors(this,a)},crossVectors:function(a,b){var c=a.x,d=a.y;a=a.z;var e=b.x,f=b.y;b=b.z;this.x=d*b-a*f;this.y=a*e-c*b;this.z=c*f-d*e;return this},
+projectOnVector:function(a){var b=a.dot(this)/a.lengthSq();return this.copy(a).multiplyScalar(b)},projectOnPlane:function(){var a=new n;return function(b){a.copy(this).projectOnVector(b);return this.sub(a)}}(),reflect:function(){var a=new n;return function(b){return this.sub(a.copy(b).multiplyScalar(2*this.dot(b)))}}(),angleTo:function(a){a=this.dot(a)/Math.sqrt(this.lengthSq()*a.lengthSq());return Math.acos(T.clamp(a,-1,1))},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){var b=
+this.x-a.x,c=this.y-a.y;a=this.z-a.z;return b*b+c*c+a*a},manhattanDistanceTo:function(a){return Math.abs(this.x-a.x)+Math.abs(this.y-a.y)+Math.abs(this.z-a.z)},setFromSpherical:function(a){return this.setFromSphericalCoords(a.radius,a.phi,a.theta)},setFromSphericalCoords:function(a,b,c){var d=Math.sin(b)*a;this.x=d*Math.sin(c);this.y=Math.cos(b)*a;this.z=d*Math.cos(c);return this},setFromCylindrical:function(a){return this.setFromCylindricalCoords(a.radius,a.theta,a.y)},setFromCylindricalCoords:function(a,
+b,c){this.x=a*Math.sin(b);this.y=c;this.z=a*Math.cos(b);return this},setFromMatrixPosition:function(a){a=a.elements;this.x=a[12];this.y=a[13];this.z=a[14];return this},setFromMatrixScale:function(a){var b=this.setFromMatrixColumn(a,0).length(),c=this.setFromMatrixColumn(a,1).length();a=this.setFromMatrixColumn(a,2).length();this.x=b;this.y=c;this.z=a;return this},setFromMatrixColumn:function(a,b){return this.fromArray(a.elements,4*b)},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z},
+fromArray:function(a,b){void 0===b&&(b=0);this.x=a[b];this.y=a[b+1];this.z=a[b+2];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this.x;a[b+1]=this.y;a[b+2]=this.z;return a},fromBufferAttribute:function(a,b,c){void 0!==c&&console.warn("THREE.Vector3: offset has been removed from .fromBufferAttribute().");this.x=a.getX(b);this.y=a.getY(b);this.z=a.getZ(b);return this}});Object.assign(ia.prototype,{isMatrix3:!0,set:function(a,b,c,d,e,f,g,h,k){var m=this.elements;m[0]=a;
+m[1]=d;m[2]=g;m[3]=b;m[4]=e;m[5]=h;m[6]=c;m[7]=f;m[8]=k;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(a){var b=this.elements;a=a.elements;b[0]=a[0];b[1]=a[1];b[2]=a[2];b[3]=a[3];b[4]=a[4];b[5]=a[5];b[6]=a[6];b[7]=a[7];b[8]=a[8];return this},setFromMatrix4:function(a){a=a.elements;this.set(a[0],a[4],a[8],a[1],a[5],a[9],a[2],a[6],a[10]);return this},applyToBufferAttribute:function(){var a=
+new n;return function(b){for(var c=0,d=b.count;c<d;c++)a.x=b.getX(c),a.y=b.getY(c),a.z=b.getZ(c),a.applyMatrix3(this),b.setXYZ(c,a.x,a.y,a.z);return b}}(),multiply:function(a){return this.multiplyMatrices(this,a)},premultiply:function(a){return this.multiplyMatrices(a,this)},multiplyMatrices:function(a,b){var c=a.elements,d=b.elements;b=this.elements;a=c[0];var e=c[3],f=c[6],g=c[1],h=c[4],k=c[7],m=c[2],l=c[5];c=c[8];var p=d[0],n=d[3],t=d[6],r=d[1],v=d[4],w=d[7],z=d[2],x=d[5];d=d[8];b[0]=a*p+e*r+f*
+z;b[3]=a*n+e*v+f*x;b[6]=a*t+e*w+f*d;b[1]=g*p+h*r+k*z;b[4]=g*n+h*v+k*x;b[7]=g*t+h*w+k*d;b[2]=m*p+l*r+c*z;b[5]=m*n+l*v+c*x;b[8]=m*t+l*w+c*d;return this},multiplyScalar:function(a){var b=this.elements;b[0]*=a;b[3]*=a;b[6]*=a;b[1]*=a;b[4]*=a;b[7]*=a;b[2]*=a;b[5]*=a;b[8]*=a;return this},determinant:function(){var a=this.elements,b=a[0],c=a[1],d=a[2],e=a[3],f=a[4],g=a[5],h=a[6],k=a[7];a=a[8];return b*f*a-b*g*k-c*e*a+c*g*h+d*e*k-d*f*h},getInverse:function(a,b){a&&a.isMatrix4&&console.error("THREE.Matrix3: .getInverse() no longer takes a Matrix4 argument.");
+var c=a.elements;a=this.elements;var d=c[0],e=c[1],f=c[2],g=c[3],h=c[4],k=c[5],m=c[6],l=c[7];c=c[8];var p=c*h-k*l,n=k*m-c*g,t=l*g-h*m,r=d*p+e*n+f*t;if(0===r){if(!0===b)throw Error("THREE.Matrix3: .getInverse() can't invert matrix, determinant is 0");console.warn("THREE.Matrix3: .getInverse() can't invert matrix, determinant is 0");return this.identity()}b=1/r;a[0]=p*b;a[1]=(f*l-c*e)*b;a[2]=(k*e-f*h)*b;a[3]=n*b;a[4]=(c*d-f*m)*b;a[5]=(f*g-k*d)*b;a[6]=t*b;a[7]=(e*m-l*d)*b;a[8]=(h*d-e*g)*b;return this},
+transpose:function(){var a=this.elements;var b=a[1];a[1]=a[3];a[3]=b;b=a[2];a[2]=a[6];a[6]=b;b=a[5];a[5]=a[7];a[7]=b;return this},getNormalMatrix:function(a){return this.setFromMatrix4(a).getInverse(this).transpose()},transposeIntoArray:function(a){var b=this.elements;a[0]=b[0];a[1]=b[3];a[2]=b[6];a[3]=b[1];a[4]=b[4];a[5]=b[7];a[6]=b[2];a[7]=b[5];a[8]=b[8];return this},setUvTransform:function(a,b,c,d,e,f,g){var h=Math.cos(e);e=Math.sin(e);this.set(c*h,c*e,-c*(h*f+e*g)+f+a,-d*e,d*h,-d*(-e*f+h*g)+g+
+b,0,0,1)},scale:function(a,b){var c=this.elements;c[0]*=a;c[3]*=a;c[6]*=a;c[1]*=b;c[4]*=b;c[7]*=b;return this},rotate:function(a){var b=Math.cos(a);a=Math.sin(a);var c=this.elements,d=c[0],e=c[3],f=c[6],g=c[1],h=c[4],k=c[7];c[0]=b*d+a*g;c[3]=b*e+a*h;c[6]=b*f+a*k;c[1]=-a*d+b*g;c[4]=-a*e+b*h;c[7]=-a*f+b*k;return this},translate:function(a,b){var c=this.elements;c[0]+=a*c[2];c[3]+=a*c[5];c[6]+=a*c[8];c[1]+=b*c[2];c[4]+=b*c[5];c[7]+=b*c[8];return this},equals:function(a){var b=this.elements;a=a.elements;
+for(var c=0;9>c;c++)if(b[c]!==a[c])return!1;return!0},fromArray:function(a,b){void 0===b&&(b=0);for(var c=0;9>c;c++)this.elements[c]=a[c+b];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);var c=this.elements;a[b]=c[0];a[b+1]=c[1];a[b+2]=c[2];a[b+3]=c[3];a[b+4]=c[4];a[b+5]=c[5];a[b+6]=c[6];a[b+7]=c[7];a[b+8]=c[8];return a}});var Bc,sb={getDataURL:function(a){if("undefined"==typeof HTMLCanvasElement)return a.src;if(!(a instanceof HTMLCanvasElement)){void 0===Bc&&(Bc=document.createElementNS("http://www.w3.org/1999/xhtml",
+"canvas"));Bc.width=a.width;Bc.height=a.height;var b=Bc.getContext("2d");a instanceof ImageData?b.putImageData(a,0,0):b.drawImage(a,0,0,a.width,a.height);a=Bc}return 2048<a.width||2048<a.height?a.toDataURL("image/jpeg",.6):a.toDataURL("image/png")}},bg=0;U.DEFAULT_IMAGE=void 0;U.DEFAULT_MAPPING=300;U.prototype=Object.assign(Object.create(ra.prototype),{constructor:U,isTexture:!0,updateMatrix:function(){this.matrix.setUvTransform(this.offset.x,this.offset.y,this.repeat.x,this.repeat.y,this.rotation,
+this.center.x,this.center.y)},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.name=a.name;this.image=a.image;this.mipmaps=a.mipmaps.slice(0);this.mapping=a.mapping;this.wrapS=a.wrapS;this.wrapT=a.wrapT;this.magFilter=a.magFilter;this.minFilter=a.minFilter;this.anisotropy=a.anisotropy;this.format=a.format;this.type=a.type;this.offset.copy(a.offset);this.repeat.copy(a.repeat);this.center.copy(a.center);this.rotation=a.rotation;this.matrixAutoUpdate=a.matrixAutoUpdate;
+this.matrix.copy(a.matrix);this.generateMipmaps=a.generateMipmaps;this.premultiplyAlpha=a.premultiplyAlpha;this.flipY=a.flipY;this.unpackAlignment=a.unpackAlignment;this.encoding=a.encoding;return this},toJSON:function(a){var b=void 0===a||"string"===typeof a;if(!b&&void 0!==a.textures[this.uuid])return a.textures[this.uuid];var c={metadata:{version:4.5,type:"Texture",generator:"Texture.toJSON"},uuid:this.uuid,name:this.name,mapping:this.mapping,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,type:this.type,encoding:this.encoding,minFilter:this.minFilter,magFilter:this.magFilter,anisotropy:this.anisotropy,flipY:this.flipY,premultiplyAlpha:this.premultiplyAlpha,unpackAlignment:this.unpackAlignment};if(void 0!==this.image){var d=this.image;void 0===d.uuid&&(d.uuid=T.generateUUID());if(!b&&void 0===a.images[d.uuid]){if(Array.isArray(d)){var e=[];for(var f=0,g=d.length;f<
+g;f++)e.push(sb.getDataURL(d[f]))}else e=sb.getDataURL(d);a.images[d.uuid]={uuid:d.uuid,url:e}}c.image=d.uuid}b||(a.textures[this.uuid]=c);return c},dispose:function(){this.dispatchEvent({type:"dispose"})},transformUv:function(a){if(300!==this.mapping)return a;a.applyMatrix3(this.matrix);if(0>a.x||1<a.x)switch(this.wrapS){case 1E3:a.x-=Math.floor(a.x);break;case 1001:a.x=0>a.x?0:1;break;case 1002:a.x=1===Math.abs(Math.floor(a.x)%2)?Math.ceil(a.x)-a.x:a.x-Math.floor(a.x)}if(0>a.y||1<a.y)switch(this.wrapT){case 1E3:a.y-=
+Math.floor(a.y);break;case 1001:a.y=0>a.y?0:1;break;case 1002:a.y=1===Math.abs(Math.floor(a.y)%2)?Math.ceil(a.y)-a.y:a.y-Math.floor(a.y)}this.flipY&&(a.y=1-a.y);return a}});Object.defineProperty(U.prototype,"needsUpdate",{set:function(a){!0===a&&this.version++}});Object.defineProperties(Y.prototype,{width:{get:function(){return this.z},set:function(a){this.z=a}},height:{get:function(){return this.w},set:function(a){this.w=a}}});Object.assign(Y.prototype,{isVector4:!0,set:function(a,b,c,d){this.x=
+a;this.y=b;this.z=c;this.w=d;return this},setScalar:function(a){this.w=this.z=this.y=this.x=a;return this},setX:function(a){this.x=a;return this},setY:function(a){this.y=a;return this},setZ:function(a){this.z=a;return this},setW:function(a){this.w=a;return this},setComponent:function(a,b){switch(a){case 0:this.x=b;break;case 1:this.y=b;break;case 2:this.z=b;break;case 3:this.w=b;break;default:throw Error("index is out of range: "+a);}return this},getComponent:function(a){switch(a){case 0:return this.x;
+case 1:return this.y;case 2:return this.z;case 3:return this.w;default:throw Error("index is out of range: "+a);}},clone:function(){return new this.constructor(this.x,this.y,this.z,this.w)},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;this.w=void 0!==a.w?a.w:1;return this},add:function(a,b){if(void 0!==b)return console.warn("THREE.Vector4: .add() now only accepts one argument. Use .addVectors( a, b ) instead."),this.addVectors(a,b);this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this},
+addScalar:function(a){this.x+=a;this.y+=a;this.z+=a;this.w+=a;return this},addVectors:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;this.w=a.w+b.w;return this},addScaledVector:function(a,b){this.x+=a.x*b;this.y+=a.y*b;this.z+=a.z*b;this.w+=a.w*b;return this},sub:function(a,b){if(void 0!==b)return console.warn("THREE.Vector4: .sub() now only accepts one argument. Use .subVectors( a, b ) instead."),this.subVectors(a,b);this.x-=a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},subScalar:function(a){this.x-=
+a;this.y-=a;this.z-=a;this.w-=a;return this},subVectors:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z=a.z-b.z;this.w=a.w-b.w;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;this.w*=a;return this},applyMatrix4:function(a){var b=this.x,c=this.y,d=this.z,e=this.w;a=a.elements;this.x=a[0]*b+a[4]*c+a[8]*d+a[12]*e;this.y=a[1]*b+a[5]*c+a[9]*d+a[13]*e;this.z=a[2]*b+a[6]*c+a[10]*d+a[14]*e;this.w=a[3]*b+a[7]*c+a[11]*d+a[15]*e;return this},divideScalar:function(a){return this.multiplyScalar(1/
+a)},setAxisAngleFromQuaternion:function(a){this.w=2*Math.acos(a.w);var b=Math.sqrt(1-a.w*a.w);1E-4>b?(this.x=1,this.z=this.y=0):(this.x=a.x/b,this.y=a.y/b,this.z=a.z/b);return this},setAxisAngleFromRotationMatrix:function(a){a=a.elements;var b=a[0];var c=a[4];var d=a[8],e=a[1],f=a[5],g=a[9];var h=a[2];var k=a[6];var m=a[10];if(.01>Math.abs(c-e)&&.01>Math.abs(d-h)&&.01>Math.abs(g-k)){if(.1>Math.abs(c+e)&&.1>Math.abs(d+h)&&.1>Math.abs(g+k)&&.1>Math.abs(b+f+m-3))return this.set(1,0,0,0),this;a=Math.PI;
+b=(b+1)/2;f=(f+1)/2;m=(m+1)/2;c=(c+e)/4;d=(d+h)/4;g=(g+k)/4;b>f&&b>m?.01>b?(k=0,c=h=.707106781):(k=Math.sqrt(b),h=c/k,c=d/k):f>m?.01>f?(k=.707106781,h=0,c=.707106781):(h=Math.sqrt(f),k=c/h,c=g/h):.01>m?(h=k=.707106781,c=0):(c=Math.sqrt(m),k=d/c,h=g/c);this.set(k,h,c,a);return this}a=Math.sqrt((k-g)*(k-g)+(d-h)*(d-h)+(e-c)*(e-c));.001>Math.abs(a)&&(a=1);this.x=(k-g)/a;this.y=(d-h)/a;this.z=(e-c)/a;this.w=Math.acos((b+f+m-1)/2);return this},min:function(a){this.x=Math.min(this.x,a.x);this.y=Math.min(this.y,
+a.y);this.z=Math.min(this.z,a.z);this.w=Math.min(this.w,a.w);return this},max:function(a){this.x=Math.max(this.x,a.x);this.y=Math.max(this.y,a.y);this.z=Math.max(this.z,a.z);this.w=Math.max(this.w,a.w);return this},clamp:function(a,b){this.x=Math.max(a.x,Math.min(b.x,this.x));this.y=Math.max(a.y,Math.min(b.y,this.y));this.z=Math.max(a.z,Math.min(b.z,this.z));this.w=Math.max(a.w,Math.min(b.w,this.w));return this},clampScalar:function(){var a,b;return function(c,d){void 0===a&&(a=new Y,b=new Y);a.set(c,
+c,c,c);b.set(d,d,d,d);return this.clamp(a,b)}}(),clampLength:function(a,b){var c=this.length();return this.divideScalar(c||1).multiplyScalar(Math.max(a,Math.min(b,c)))},floor:function(){this.x=Math.floor(this.x);this.y=Math.floor(this.y);this.z=Math.floor(this.z);this.w=Math.floor(this.w);return this},ceil:function(){this.x=Math.ceil(this.x);this.y=Math.ceil(this.y);this.z=Math.ceil(this.z);this.w=Math.ceil(this.w);return this},round:function(){this.x=Math.round(this.x);this.y=Math.round(this.y);
+this.z=Math.round(this.z);this.w=Math.round(this.w);return this},roundToZero:function(){this.x=0>this.x?Math.ceil(this.x):Math.floor(this.x);this.y=0>this.y?Math.ceil(this.y):Math.floor(this.y);this.z=0>this.z?Math.ceil(this.z):Math.floor(this.z);this.w=0>this.w?Math.ceil(this.w):Math.floor(this.w);return this},negate:function(){this.x=-this.x;this.y=-this.y;this.z=-this.z;this.w=-this.w;return this},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z+this.w*a.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)},manhattanLength:function(){return Math.abs(this.x)+Math.abs(this.y)+Math.abs(this.z)+Math.abs(this.w)},normalize:function(){return this.divideScalar(this.length()||1)},setLength:function(a){return this.normalize().multiplyScalar(a)},lerp:function(a,b){this.x+=(a.x-this.x)*b;this.y+=(a.y-this.y)*b;this.z+=(a.z-this.z)*b;this.w+=(a.w-this.w)*b;return this},lerpVectors:function(a,
+b,c){return this.subVectors(b,a).multiplyScalar(c).add(a)},equals:function(a){return a.x===this.x&&a.y===this.y&&a.z===this.z&&a.w===this.w},fromArray:function(a,b){void 0===b&&(b=0);this.x=a[b];this.y=a[b+1];this.z=a[b+2];this.w=a[b+3];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this.x;a[b+1]=this.y;a[b+2]=this.z;a[b+3]=this.w;return a},fromBufferAttribute:function(a,b,c){void 0!==c&&console.warn("THREE.Vector4: offset has been removed from .fromBufferAttribute().");
+this.x=a.getX(b);this.y=a.getY(b);this.z=a.getZ(b);this.w=a.getW(b);return this}});Ta.prototype=Object.assign(Object.create(ra.prototype),{constructor:Ta,isWebGLRenderTarget:!0,setSize:function(a,b){if(this.width!==a||this.height!==b)this.width=a,this.height=b,this.texture.image.width=a,this.texture.image.height=b,this.dispose();this.viewport.set(0,0,a,b);this.scissor.set(0,0,a,b)},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.width=a.width;this.height=a.height;this.viewport.copy(a.viewport);
+this.texture=a.texture.clone();this.depthBuffer=a.depthBuffer;this.stencilBuffer=a.stencilBuffer;this.depthTexture=a.depthTexture;return this},dispose:function(){this.dispatchEvent({type:"dispose"})}});he.prototype=Object.assign(Object.create(Ta.prototype),{constructor:he,isWebGLMultisampleRenderTarget:!0,copy:function(a){Ta.prototype.copy.call(this,a);this.samples=a.samples;return this}});Object.assign(L.prototype,{isMatrix4:!0,set:function(a,b,c,d,e,f,g,h,k,m,l,p,n,t,r,v){var q=this.elements;q[0]=
+a;q[4]=b;q[8]=c;q[12]=d;q[1]=e;q[5]=f;q[9]=g;q[13]=h;q[2]=k;q[6]=m;q[10]=l;q[14]=p;q[3]=n;q[7]=t;q[11]=r;q[15]=v;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 L).fromArray(this.elements)},copy:function(a){var b=this.elements;a=a.elements;b[0]=a[0];b[1]=a[1];b[2]=a[2];b[3]=a[3];b[4]=a[4];b[5]=a[5];b[6]=a[6];b[7]=a[7];b[8]=a[8];b[9]=a[9];b[10]=a[10];b[11]=a[11];b[12]=a[12];b[13]=a[13];b[14]=a[14];b[15]=a[15];return this},copyPosition:function(a){var b=
+this.elements;a=a.elements;b[12]=a[12];b[13]=a[13];b[14]=a[14];return this},extractBasis:function(a,b,c){a.setFromMatrixColumn(this,0);b.setFromMatrixColumn(this,1);c.setFromMatrixColumn(this,2);return this},makeBasis:function(a,b,c){this.set(a.x,b.x,c.x,0,a.y,b.y,c.y,0,a.z,b.z,c.z,0,0,0,0,1);return this},extractRotation:function(){var a=new n;return function(b){var c=this.elements,d=b.elements,e=1/a.setFromMatrixColumn(b,0).length(),f=1/a.setFromMatrixColumn(b,1).length();b=1/a.setFromMatrixColumn(b,
+2).length();c[0]=d[0]*e;c[1]=d[1]*e;c[2]=d[2]*e;c[3]=0;c[4]=d[4]*f;c[5]=d[5]*f;c[6]=d[6]*f;c[7]=0;c[8]=d[8]*b;c[9]=d[9]*b;c[10]=d[10]*b;c[11]=0;c[12]=0;c[13]=0;c[14]=0;c[15]=1;return this}}(),makeRotationFromEuler:function(a){a&&a.isEuler||console.error("THREE.Matrix4: .makeRotationFromEuler() now expects a Euler rotation rather than a Vector3 and order.");var b=this.elements,c=a.x,d=a.y,e=a.z,f=Math.cos(c);c=Math.sin(c);var g=Math.cos(d);d=Math.sin(d);var h=Math.cos(e);e=Math.sin(e);if("XYZ"===a.order){a=
+f*h;var k=f*e,m=c*h,l=c*e;b[0]=g*h;b[4]=-g*e;b[8]=d;b[1]=k+m*d;b[5]=a-l*d;b[9]=-c*g;b[2]=l-a*d;b[6]=m+k*d;b[10]=f*g}else"YXZ"===a.order?(a=g*h,k=g*e,m=d*h,l=d*e,b[0]=a+l*c,b[4]=m*c-k,b[8]=f*d,b[1]=f*e,b[5]=f*h,b[9]=-c,b[2]=k*c-m,b[6]=l+a*c,b[10]=f*g):"ZXY"===a.order?(a=g*h,k=g*e,m=d*h,l=d*e,b[0]=a-l*c,b[4]=-f*e,b[8]=m+k*c,b[1]=k+m*c,b[5]=f*h,b[9]=l-a*c,b[2]=-f*d,b[6]=c,b[10]=f*g):"ZYX"===a.order?(a=f*h,k=f*e,m=c*h,l=c*e,b[0]=g*h,b[4]=m*d-k,b[8]=a*d+l,b[1]=g*e,b[5]=l*d+a,b[9]=k*d-m,b[2]=-d,b[6]=c*
+g,b[10]=f*g):"YZX"===a.order?(a=f*g,k=f*d,m=c*g,l=c*d,b[0]=g*h,b[4]=l-a*e,b[8]=m*e+k,b[1]=e,b[5]=f*h,b[9]=-c*h,b[2]=-d*h,b[6]=k*e+m,b[10]=a-l*e):"XZY"===a.order&&(a=f*g,k=f*d,m=c*g,l=c*d,b[0]=g*h,b[4]=-e,b[8]=d*h,b[1]=a*e+l,b[5]=f*h,b[9]=k*e-m,b[2]=m*e-k,b[6]=c*h,b[10]=l*e+a);b[3]=0;b[7]=0;b[11]=0;b[12]=0;b[13]=0;b[14]=0;b[15]=1;return this},makeRotationFromQuaternion:function(){var a=new n(0,0,0),b=new n(1,1,1);return function(c){return this.compose(a,c,b)}}(),lookAt:function(){var a=new n,b=new n,
+c=new n;return function(d,e,f){var g=this.elements;c.subVectors(d,e);0===c.lengthSq()&&(c.z=1);c.normalize();a.crossVectors(f,c);0===a.lengthSq()&&(1===Math.abs(f.z)?c.x+=1E-4:c.z+=1E-4,c.normalize(),a.crossVectors(f,c));a.normalize();b.crossVectors(c,a);g[0]=a.x;g[4]=b.x;g[8]=c.x;g[1]=a.y;g[5]=b.y;g[9]=c.y;g[2]=a.z;g[6]=b.z;g[10]=c.z;return this}}(),multiply:function(a,b){return void 0!==b?(console.warn("THREE.Matrix4: .multiply() now only accepts one argument. Use .multiplyMatrices( a, b ) instead."),
+this.multiplyMatrices(a,b)):this.multiplyMatrices(this,a)},premultiply:function(a){return this.multiplyMatrices(a,this)},multiplyMatrices:function(a,b){var c=a.elements,d=b.elements;b=this.elements;a=c[0];var e=c[4],f=c[8],g=c[12],h=c[1],k=c[5],m=c[9],l=c[13],p=c[2],n=c[6],t=c[10],r=c[14],v=c[3],w=c[7],z=c[11];c=c[15];var x=d[0],y=d[4],A=d[8],G=d[12],C=d[1],D=d[5],F=d[9],B=d[13],E=d[2],H=d[6],I=d[10],J=d[14],L=d[3],M=d[7],R=d[11];d=d[15];b[0]=a*x+e*C+f*E+g*L;b[4]=a*y+e*D+f*H+g*M;b[8]=a*A+e*F+f*I+
+g*R;b[12]=a*G+e*B+f*J+g*d;b[1]=h*x+k*C+m*E+l*L;b[5]=h*y+k*D+m*H+l*M;b[9]=h*A+k*F+m*I+l*R;b[13]=h*G+k*B+m*J+l*d;b[2]=p*x+n*C+t*E+r*L;b[6]=p*y+n*D+t*H+r*M;b[10]=p*A+n*F+t*I+r*R;b[14]=p*G+n*B+t*J+r*d;b[3]=v*x+w*C+z*E+c*L;b[7]=v*y+w*D+z*H+c*M;b[11]=v*A+w*F+z*I+c*R;b[15]=v*G+w*B+z*J+c*d;return this},multiplyScalar:function(a){var b=this.elements;b[0]*=a;b[4]*=a;b[8]*=a;b[12]*=a;b[1]*=a;b[5]*=a;b[9]*=a;b[13]*=a;b[2]*=a;b[6]*=a;b[10]*=a;b[14]*=a;b[3]*=a;b[7]*=a;b[11]*=a;b[15]*=a;return this},applyToBufferAttribute:function(){var a=
+new n;return function(b){for(var c=0,d=b.count;c<d;c++)a.x=b.getX(c),a.y=b.getY(c),a.z=b.getZ(c),a.applyMatrix4(this),b.setXYZ(c,a.x,a.y,a.z);return b}}(),determinant:function(){var a=this.elements,b=a[0],c=a[4],d=a[8],e=a[12],f=a[1],g=a[5],h=a[9],k=a[13],m=a[2],l=a[6],p=a[10],n=a[14];return a[3]*(+e*h*l-d*k*l-e*g*p+c*k*p+d*g*n-c*h*n)+a[7]*(+b*h*n-b*k*p+e*f*p-d*f*n+d*k*m-e*h*m)+a[11]*(+b*k*l-b*g*n-e*f*l+c*f*n+e*g*m-c*k*m)+a[15]*(-d*g*m-b*h*l+b*g*p+d*f*l-c*f*p+c*h*m)},transpose:function(){var a=this.elements;
+var b=a[1];a[1]=a[4];a[4]=b;b=a[2];a[2]=a[8];a[8]=b;b=a[6];a[6]=a[9];a[9]=b;b=a[3];a[3]=a[12];a[12]=b;b=a[7];a[7]=a[13];a[13]=b;b=a[11];a[11]=a[14];a[14]=b;return this},setPosition:function(a,b,c){var d=this.elements;a.isVector3?(d[12]=a.x,d[13]=a.y,d[14]=a.z):(d[12]=a,d[13]=b,d[14]=c);return this},getInverse:function(a,b){var c=this.elements,d=a.elements;a=d[0];var e=d[1],f=d[2],g=d[3],h=d[4],k=d[5],m=d[6],l=d[7],p=d[8],n=d[9],t=d[10],r=d[11],v=d[12],w=d[13],z=d[14];d=d[15];var x=n*z*l-w*t*l+w*m*
+r-k*z*r-n*m*d+k*t*d,y=v*t*l-p*z*l-v*m*r+h*z*r+p*m*d-h*t*d,A=p*w*l-v*n*l+v*k*r-h*w*r-p*k*d+h*n*d,G=v*n*m-p*w*m-v*k*t+h*w*t+p*k*z-h*n*z,C=a*x+e*y+f*A+g*G;if(0===C){if(!0===b)throw Error("THREE.Matrix4: .getInverse() can't invert matrix, determinant is 0");console.warn("THREE.Matrix4: .getInverse() can't invert matrix, determinant is 0");return this.identity()}b=1/C;c[0]=x*b;c[1]=(w*t*g-n*z*g-w*f*r+e*z*r+n*f*d-e*t*d)*b;c[2]=(k*z*g-w*m*g+w*f*l-e*z*l-k*f*d+e*m*d)*b;c[3]=(n*m*g-k*t*g-n*f*l+e*t*l+k*f*r-
+e*m*r)*b;c[4]=y*b;c[5]=(p*z*g-v*t*g+v*f*r-a*z*r-p*f*d+a*t*d)*b;c[6]=(v*m*g-h*z*g-v*f*l+a*z*l+h*f*d-a*m*d)*b;c[7]=(h*t*g-p*m*g+p*f*l-a*t*l-h*f*r+a*m*r)*b;c[8]=A*b;c[9]=(v*n*g-p*w*g-v*e*r+a*w*r+p*e*d-a*n*d)*b;c[10]=(h*w*g-v*k*g+v*e*l-a*w*l-h*e*d+a*k*d)*b;c[11]=(p*k*g-h*n*g-p*e*l+a*n*l+h*e*r-a*k*r)*b;c[12]=G*b;c[13]=(p*w*f-v*n*f+v*e*t-a*w*t-p*e*z+a*n*z)*b;c[14]=(v*k*f-h*w*f-v*e*m+a*w*m+h*e*z-a*k*z)*b;c[15]=(h*n*f-p*k*f+p*e*m-a*n*m-h*e*t+a*k*t)*b;return this},scale:function(a){var b=this.elements,c=a.x,
+d=a.y;a=a.z;b[0]*=c;b[4]*=d;b[8]*=a;b[1]*=c;b[5]*=d;b[9]*=a;b[2]*=c;b[6]*=d;b[10]*=a;b[3]*=c;b[7]*=d;b[11]*=a;return this},getMaxScaleOnAxis:function(){var a=this.elements;return Math.sqrt(Math.max(a[0]*a[0]+a[1]*a[1]+a[2]*a[2],a[4]*a[4]+a[5]*a[5]+a[6]*a[6],a[8]*a[8]+a[9]*a[9]+a[10]*a[10]))},makeTranslation:function(a,b,c){this.set(1,0,0,a,0,1,0,b,0,0,1,c,0,0,0,1);return this},makeRotationX:function(a){var b=Math.cos(a);a=Math.sin(a);this.set(1,0,0,0,0,b,-a,0,0,a,b,0,0,0,0,1);return this},makeRotationY:function(a){var b=
+Math.cos(a);a=Math.sin(a);this.set(b,0,a,0,0,1,0,0,-a,0,b,0,0,0,0,1);return this},makeRotationZ:function(a){var b=Math.cos(a);a=Math.sin(a);this.set(b,-a,0,0,a,b,0,0,0,0,1,0,0,0,0,1);return this},makeRotationAxis:function(a,b){var c=Math.cos(b);b=Math.sin(b);var d=1-c,e=a.x,f=a.y;a=a.z;var g=d*e,h=d*f;this.set(g*e+c,g*f-b*a,g*a+b*f,0,g*f+b*a,h*f+c,h*a-b*e,0,g*a-b*f,h*a+b*e,d*a*a+c,0,0,0,0,1);return this},makeScale:function(a,b,c){this.set(a,0,0,0,0,b,0,0,0,0,c,0,0,0,0,1);return this},makeShear:function(a,
+b,c){this.set(1,b,c,0,a,1,c,0,a,b,1,0,0,0,0,1);return this},compose:function(a,b,c){var d=this.elements,e=b._x,f=b._y,g=b._z,h=b._w,k=e+e,m=f+f,l=g+g;b=e*k;var p=e*m;e*=l;var n=f*m;f*=l;g*=l;k*=h;m*=h;h*=l;l=c.x;var t=c.y;c=c.z;d[0]=(1-(n+g))*l;d[1]=(p+h)*l;d[2]=(e-m)*l;d[3]=0;d[4]=(p-h)*t;d[5]=(1-(b+g))*t;d[6]=(f+k)*t;d[7]=0;d[8]=(e+m)*c;d[9]=(f-k)*c;d[10]=(1-(b+n))*c;d[11]=0;d[12]=a.x;d[13]=a.y;d[14]=a.z;d[15]=1;return this},decompose:function(){var a=new n,b=new L;return function(c,d,e){var f=
+this.elements,g=a.set(f[0],f[1],f[2]).length(),h=a.set(f[4],f[5],f[6]).length(),k=a.set(f[8],f[9],f[10]).length();0>this.determinant()&&(g=-g);c.x=f[12];c.y=f[13];c.z=f[14];b.copy(this);c=1/g;f=1/h;var m=1/k;b.elements[0]*=c;b.elements[1]*=c;b.elements[2]*=c;b.elements[4]*=f;b.elements[5]*=f;b.elements[6]*=f;b.elements[8]*=m;b.elements[9]*=m;b.elements[10]*=m;d.setFromRotationMatrix(b);e.x=g;e.y=h;e.z=k;return this}}(),makePerspective:function(a,b,c,d,e,f){void 0===f&&console.warn("THREE.Matrix4: .makePerspective() has been redefined and has a new signature. Please check the docs.");
+var g=this.elements;g[0]=2*e/(b-a);g[4]=0;g[8]=(b+a)/(b-a);g[12]=0;g[1]=0;g[5]=2*e/(c-d);g[9]=(c+d)/(c-d);g[13]=0;g[2]=0;g[6]=0;g[10]=-(f+e)/(f-e);g[14]=-2*f*e/(f-e);g[3]=0;g[7]=0;g[11]=-1;g[15]=0;return this},makeOrthographic:function(a,b,c,d,e,f){var g=this.elements,h=1/(b-a),k=1/(c-d),m=1/(f-e);g[0]=2*h;g[4]=0;g[8]=0;g[12]=-((b+a)*h);g[1]=0;g[5]=2*k;g[9]=0;g[13]=-((c+d)*k);g[2]=0;g[6]=0;g[10]=-2*m;g[14]=-((f+e)*m);g[3]=0;g[7]=0;g[11]=0;g[15]=1;return this},equals:function(a){var b=this.elements;
+a=a.elements;for(var c=0;16>c;c++)if(b[c]!==a[c])return!1;return!0},fromArray:function(a,b){void 0===b&&(b=0);for(var c=0;16>c;c++)this.elements[c]=a[c+b];return this},toArray:function(a,b){void 0===a&&(a=[]);void 0===b&&(b=0);var c=this.elements;a[b]=c[0];a[b+1]=c[1];a[b+2]=c[2];a[b+3]=c[3];a[b+4]=c[4];a[b+5]=c[5];a[b+6]=c[6];a[b+7]=c[7];a[b+8]=c[8];a[b+9]=c[9];a[b+10]=c[10];a[b+11]=c[11];a[b+12]=c[12];a[b+13]=c[13];a[b+14]=c[14];a[b+15]=c[15];return a}});tb.RotationOrders="XYZ YZX ZXY XZY YXZ ZYX".split(" ");
+tb.DefaultOrder="XYZ";Object.defineProperties(tb.prototype,{x:{get:function(){return this._x},set:function(a){this._x=a;this._onChangeCallback()}},y:{get:function(){return this._y},set:function(a){this._y=a;this._onChangeCallback()}},z:{get:function(){return this._z},set:function(a){this._z=a;this._onChangeCallback()}},order:{get:function(){return this._order},set:function(a){this._order=a;this._onChangeCallback()}}});Object.assign(tb.prototype,{isEuler:!0,set:function(a,b,c,d){this._x=a;this._y=
+b;this._z=c;this._order=d||this._order;this._onChangeCallback();return this},clone:function(){return new this.constructor(this._x,this._y,this._z,this._order)},copy:function(a){this._x=a._x;this._y=a._y;this._z=a._z;this._order=a._order;this._onChangeCallback();return this},setFromRotationMatrix:function(a,b,c){var d=T.clamp,e=a.elements;a=e[0];var f=e[4],g=e[8],h=e[1],k=e[5],m=e[9],l=e[2],p=e[6];e=e[10];b=b||this._order;"XYZ"===b?(this._y=Math.asin(d(g,-1,1)),.99999>Math.abs(g)?(this._x=Math.atan2(-m,
+e),this._z=Math.atan2(-f,a)):(this._x=Math.atan2(p,k),this._z=0)):"YXZ"===b?(this._x=Math.asin(-d(m,-1,1)),.99999>Math.abs(m)?(this._y=Math.atan2(g,e),this._z=Math.atan2(h,k)):(this._y=Math.atan2(-l,a),this._z=0)):"ZXY"===b?(this._x=Math.asin(d(p,-1,1)),.99999>Math.abs(p)?(this._y=Math.atan2(-l,e),this._z=Math.atan2(-f,k)):(this._y=0,this._z=Math.atan2(h,a))):"ZYX"===b?(this._y=Math.asin(-d(l,-1,1)),.99999>Math.abs(l)?(this._x=Math.atan2(p,e),this._z=Math.atan2(h,a)):(this._x=0,this._z=Math.atan2(-f,
+k))):"YZX"===b?(this._z=Math.asin(d(h,-1,1)),.99999>Math.abs(h)?(this._x=Math.atan2(-m,k),this._y=Math.atan2(-l,a)):(this._x=0,this._y=Math.atan2(g,e))):"XZY"===b?(this._z=Math.asin(-d(f,-1,1)),.99999>Math.abs(f)?(this._x=Math.atan2(p,k),this._y=Math.atan2(g,a)):(this._x=Math.atan2(-m,e),this._y=0)):console.warn("THREE.Euler: .setFromRotationMatrix() given unsupported order: "+b);this._order=b;!1!==c&&this._onChangeCallback();return this},setFromQuaternion:function(){var a=new L;return function(b,
+c,d){a.makeRotationFromQuaternion(b);return this.setFromRotationMatrix(a,c,d)}}(),setFromVector3:function(a,b){return this.set(a.x,a.y,a.z,b||this._order)},reorder:function(){var a=new fa;return function(b){a.setFromEuler(this);return this.setFromQuaternion(a,b)}}(),equals:function(a){return a._x===this._x&&a._y===this._y&&a._z===this._z&&a._order===this._order},fromArray:function(a){this._x=a[0];this._y=a[1];this._z=a[2];void 0!==a[3]&&(this._order=a[3]);this._onChangeCallback();return this},toArray:function(a,
+b){void 0===a&&(a=[]);void 0===b&&(b=0);a[b]=this._x;a[b+1]=this._y;a[b+2]=this._z;a[b+3]=this._order;return a},toVector3:function(a){return a?a.set(this._x,this._y,this._z):new n(this._x,this._y,this._z)},_onChange:function(a){this._onChangeCallback=a;return this},_onChangeCallback:function(){}});Object.assign(ie.prototype,{set:function(a){this.mask=1<<a|0},enable:function(a){this.mask=this.mask|1<<a|0},toggle:function(a){this.mask^=1<<a|0},disable:function(a){this.mask&=~(1<<a|0)},test:function(a){return 0!==
+(this.mask&a.mask)}});var cg=0;H.DefaultUp=new n(0,1,0);H.DefaultMatrixAutoUpdate=!0;H.prototype=Object.assign(Object.create(ra.prototype),{constructor:H,isObject3D:!0,onBeforeRender:function(){},onAfterRender:function(){},applyMatrix:function(a){this.matrixAutoUpdate&&this.updateMatrix();this.matrix.premultiply(a);this.matrix.decompose(this.position,this.quaternion,this.scale)},applyQuaternion:function(a){this.quaternion.premultiply(a);return this},setRotationFromAxisAngle:function(a,b){this.quaternion.setFromAxisAngle(a,
+b)},setRotationFromEuler:function(a){this.quaternion.setFromEuler(a,!0)},setRotationFromMatrix:function(a){this.quaternion.setFromRotationMatrix(a)},setRotationFromQuaternion:function(a){this.quaternion.copy(a)},rotateOnAxis:function(){var a=new fa;return function(b,c){a.setFromAxisAngle(b,c);this.quaternion.multiply(a);return this}}(),rotateOnWorldAxis:function(){var a=new fa;return function(b,c){a.setFromAxisAngle(b,c);this.quaternion.premultiply(a);return this}}(),rotateX:function(){var a=new n(1,
+0,0);return function(b){return this.rotateOnAxis(a,b)}}(),rotateY:function(){var a=new n(0,1,0);return function(b){return this.rotateOnAxis(a,b)}}(),rotateZ:function(){var a=new n(0,0,1);return function(b){return this.rotateOnAxis(a,b)}}(),translateOnAxis:function(){var a=new n;return function(b,c){a.copy(b).applyQuaternion(this.quaternion);this.position.add(a.multiplyScalar(c));return this}}(),translateX:function(){var a=new n(1,0,0);return function(b){return this.translateOnAxis(a,b)}}(),translateY:function(){var a=
+new n(0,1,0);return function(b){return this.translateOnAxis(a,b)}}(),translateZ:function(){var a=new n(0,0,1);return function(b){return this.translateOnAxis(a,b)}}(),localToWorld:function(a){return a.applyMatrix4(this.matrixWorld)},worldToLocal:function(){var a=new L;return function(b){return b.applyMatrix4(a.getInverse(this.matrixWorld))}}(),lookAt:function(){var a=new fa,b=new L,c=new n,d=new n;return function(e,f,g){e.isVector3?c.copy(e):c.set(e,f,g);e=this.parent;this.updateWorldMatrix(!0,!1);
+d.setFromMatrixPosition(this.matrixWorld);this.isCamera||this.isLight?b.lookAt(d,c,this.up):b.lookAt(c,d,this.up);this.quaternion.setFromRotationMatrix(b);e&&(b.extractRotation(e.matrixWorld),a.setFromRotationMatrix(b),this.quaternion.premultiply(a.inverse()))}}(),add:function(a){if(1<arguments.length){for(var b=0;b<arguments.length;b++)this.add(arguments[b]);return this}if(a===this)return console.error("THREE.Object3D.add: object can't be added as a child of itself.",a),this;a&&a.isObject3D?(null!==
+a.parent&&a.parent.remove(a),a.parent=this,this.children.push(a),a.dispatchEvent({type:"added"})):console.error("THREE.Object3D.add: object not an instance of THREE.Object3D.",a);return this},remove:function(a){if(1<arguments.length){for(var b=0;b<arguments.length;b++)this.remove(arguments[b]);return this}b=this.children.indexOf(a);-1!==b&&(a.parent=null,this.children.splice(b,1),a.dispatchEvent({type:"removed"}));return this},attach:function(){var a=new L;return function(b){this.updateWorldMatrix(!0,
+!1);a.getInverse(this.matrixWorld);null!==b.parent&&(b.parent.updateWorldMatrix(!0,!1),a.multiply(b.parent.matrixWorld));b.applyMatrix(a);b.updateWorldMatrix(!1,!1);this.add(b);return this}}(),getObjectById:function(a){return this.getObjectByProperty("id",a)},getObjectByName:function(a){return this.getObjectByProperty("name",a)},getObjectByProperty:function(a,b){if(this[a]===b)return this;for(var c=0,d=this.children.length;c<d;c++){var e=this.children[c].getObjectByProperty(a,b);if(void 0!==e)return e}},
+getWorldPosition:function(a){void 0===a&&(console.warn("THREE.Object3D: .getWorldPosition() target is now required"),a=new n);this.updateMatrixWorld(!0);return a.setFromMatrixPosition(this.matrixWorld)},getWorldQuaternion:function(){var a=new n,b=new n;return function(c){void 0===c&&(console.warn("THREE.Object3D: .getWorldQuaternion() target is now required"),c=new fa);this.updateMatrixWorld(!0);this.matrixWorld.decompose(a,c,b);return c}}(),getWorldScale:function(){var a=new n,b=new fa;return function(c){void 0===
+c&&(console.warn("THREE.Object3D: .getWorldScale() target is now required"),c=new n);this.updateMatrixWorld(!0);this.matrixWorld.decompose(a,b,c);return c}}(),getWorldDirection:function(a){void 0===a&&(console.warn("THREE.Object3D: .getWorldDirection() target is now required"),a=new n);this.updateMatrixWorld(!0);var b=this.matrixWorld.elements;return a.set(b[8],b[9],b[10]).normalize()},raycast:function(){},traverse:function(a){a(this);for(var b=this.children,c=0,d=b.length;c<d;c++)b[c].traverse(a)},
+traverseVisible:function(a){if(!1!==this.visible){a(this);for(var b=this.children,c=0,d=b.length;c<d;c++)b[c].traverseVisible(a)}},traverseAncestors:function(a){var b=this.parent;null!==b&&(a(b),b.traverseAncestors(a))},updateMatrix:function(){this.matrix.compose(this.position,this.quaternion,this.scale);this.matrixWorldNeedsUpdate=!0},updateMatrixWorld:function(a){this.matrixAutoUpdate&&this.updateMatrix();if(this.matrixWorldNeedsUpdate||a)null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,
+this.matrix),this.matrixWorldNeedsUpdate=!1,a=!0;for(var b=this.children,c=0,d=b.length;c<d;c++)b[c].updateMatrixWorld(a)},updateWorldMatrix:function(a,b){var c=this.parent;!0===a&&null!==c&&c.updateWorldMatrix(!0,!1);this.matrixAutoUpdate&&this.updateMatrix();null===this.parent?this.matrixWorld.copy(this.matrix):this.matrixWorld.multiplyMatrices(this.parent.matrixWorld,this.matrix);if(!0===b)for(a=this.children,b=0,c=a.length;b<c;b++)a[b].updateWorldMatrix(!1,!0)},toJSON:function(a){function b(b,
+c){void 0===b[c.uuid]&&(b[c.uuid]=c.toJSON(a));return c.uuid}function c(a){var b=[],c;for(c in a){var d=a[c];delete d.metadata;b.push(d)}return b}var d=void 0===a||"string"===typeof a,e={};d&&(a={geometries:{},materials:{},textures:{},images:{},shapes:{}},e.metadata={version:4.5,type:"Object",generator:"Object3D.toJSON"});var f={};f.uuid=this.uuid;f.type=this.type;""!==this.name&&(f.name=this.name);!0===this.castShadow&&(f.castShadow=!0);!0===this.receiveShadow&&(f.receiveShadow=!0);!1===this.visible&&
+(f.visible=!1);!1===this.frustumCulled&&(f.frustumCulled=!1);0!==this.renderOrder&&(f.renderOrder=this.renderOrder);"{}"!==JSON.stringify(this.userData)&&(f.userData=this.userData);f.layers=this.layers.mask;f.matrix=this.matrix.toArray();!1===this.matrixAutoUpdate&&(f.matrixAutoUpdate=!1);this.isMesh&&0!==this.drawMode&&(f.drawMode=this.drawMode);if(this.isMesh||this.isLine||this.isPoints){f.geometry=b(a.geometries,this.geometry);var g=this.geometry.parameters;if(void 0!==g&&void 0!==g.shapes)if(g=
+g.shapes,Array.isArray(g))for(var h=0,k=g.length;h<k;h++)b(a.shapes,g[h]);else b(a.shapes,g)}if(void 0!==this.material)if(Array.isArray(this.material)){g=[];h=0;for(k=this.material.length;h<k;h++)g.push(b(a.materials,this.material[h]));f.material=g}else f.material=b(a.materials,this.material);if(0<this.children.length)for(f.children=[],h=0;h<this.children.length;h++)f.children.push(this.children[h].toJSON(a).object);if(d){d=c(a.geometries);h=c(a.materials);k=c(a.textures);var m=c(a.images);g=c(a.shapes);
+0<d.length&&(e.geometries=d);0<h.length&&(e.materials=h);0<k.length&&(e.textures=k);0<m.length&&(e.images=m);0<g.length&&(e.shapes=g)}e.object=f;return e},clone:function(a){return(new this.constructor).copy(this,a)},copy:function(a,b){void 0===b&&(b=!0);this.name=a.name;this.up.copy(a.up);this.position.copy(a.position);this.quaternion.copy(a.quaternion);this.scale.copy(a.scale);this.matrix.copy(a.matrix);this.matrixWorld.copy(a.matrixWorld);this.matrixAutoUpdate=a.matrixAutoUpdate;this.matrixWorldNeedsUpdate=
+a.matrixWorldNeedsUpdate;this.layers.mask=a.layers.mask;this.visible=a.visible;this.castShadow=a.castShadow;this.receiveShadow=a.receiveShadow;this.frustumCulled=a.frustumCulled;this.renderOrder=a.renderOrder;this.userData=JSON.parse(JSON.stringify(a.userData));if(!0===b)for(b=0;b<a.children.length;b++)this.add(a.children[b].clone());return this}});Cc.prototype=Object.assign(Object.create(H.prototype),{constructor:Cc,isScene:!0,copy:function(a,b){H.prototype.copy.call(this,a,b);null!==a.background&&
+(this.background=a.background.clone());null!==a.fog&&(this.fog=a.fog.clone());null!==a.overrideMaterial&&(this.overrideMaterial=a.overrideMaterial.clone());this.autoUpdate=a.autoUpdate;this.matrixAutoUpdate=a.matrixAutoUpdate;return this},toJSON:function(a){var b=H.prototype.toJSON.call(this,a);null!==this.background&&(b.object.background=this.background.toJSON(a));null!==this.fog&&(b.object.fog=this.fog.toJSON());return b},dispose:function(){this.dispatchEvent({type:"dispose"})}});Object.assign(Ha.prototype,
+{isBox3:!0,set:function(a,b){this.min.copy(a);this.max.copy(b);return this},setFromArray:function(a){for(var b=Infinity,c=Infinity,d=Infinity,e=-Infinity,f=-Infinity,g=-Infinity,h=0,k=a.length;h<k;h+=3){var m=a[h],l=a[h+1],p=a[h+2];m<b&&(b=m);l<c&&(c=l);p<d&&(d=p);m>e&&(e=m);l>f&&(f=l);p>g&&(g=p)}this.min.set(b,c,d);this.max.set(e,f,g);return this},setFromBufferAttribute:function(a){for(var b=Infinity,c=Infinity,d=Infinity,e=-Infinity,f=-Infinity,g=-Infinity,h=0,k=a.count;h<k;h++){var m=a.getX(h),
+l=a.getY(h),p=a.getZ(h);m<b&&(b=m);l<c&&(c=l);p<d&&(d=p);m>e&&(e=m);l>f&&(f=l);p>g&&(g=p)}this.min.set(b,c,d);this.max.set(e,f,g);return this},setFromPoints:function(a){this.makeEmpty();for(var b=0,c=a.length;b<c;b++)this.expandByPoint(a[b]);return this},setFromCenterAndSize:function(){var a=new n;return function(b,c){c=a.copy(c).multiplyScalar(.5);this.min.copy(b).sub(c);this.max.copy(b).add(c);return this}}(),setFromObject:function(a){this.makeEmpty();return this.expandByObject(a)},clone:function(){return(new this.constructor).copy(this)},
+copy:function(a){this.min.copy(a.min);this.max.copy(a.max);return this},makeEmpty:function(){this.min.x=this.min.y=this.min.z=Infinity;this.max.x=this.max.y=this.max.z=-Infinity;return this},isEmpty:function(){return this.max.x<this.min.x||this.max.y<this.min.y||this.max.z<this.min.z},getCenter:function(a){void 0===a&&(console.warn("THREE.Box3: .getCenter() target is now required"),a=new n);return this.isEmpty()?a.set(0,0,0):a.addVectors(this.min,this.max).multiplyScalar(.5)},getSize:function(a){void 0===
+a&&(console.warn("THREE.Box3: .getSize() target is now required"),a=new n);return this.isEmpty()?a.set(0,0,0):a.subVectors(this.max,this.min)},expandByPoint:function(a){this.min.min(a);this.max.max(a);return this},expandByVector:function(a){this.min.sub(a);this.max.add(a);return this},expandByScalar:function(a){this.min.addScalar(-a);this.max.addScalar(a);return this},expandByObject:function(){function a(a){var f=a.geometry;if(void 0!==f)if(f.isGeometry)for(f=f.vertices,c=0,d=f.length;c<d;c++)e.copy(f[c]),
+e.applyMatrix4(a.matrixWorld),b.expandByPoint(e);else if(f.isBufferGeometry&&(f=f.attributes.position,void 0!==f))for(c=0,d=f.count;c<d;c++)e.fromBufferAttribute(f,c).applyMatrix4(a.matrixWorld),b.expandByPoint(e)}var b,c,d,e=new n;return function(c){b=this;c.updateMatrixWorld(!0);c.traverse(a);return this}}(),containsPoint:function(a){return a.x<this.min.x||a.x>this.max.x||a.y<this.min.y||a.y>this.max.y||a.z<this.min.z||a.z>this.max.z?!1:!0},containsBox:function(a){return this.min.x<=a.min.x&&a.max.x<=
+this.max.x&&this.min.y<=a.min.y&&a.max.y<=this.max.y&&this.min.z<=a.min.z&&a.max.z<=this.max.z},getParameter:function(a,b){void 0===b&&(console.warn("THREE.Box3: .getParameter() target is now required"),b=new n);return b.set((a.x-this.min.x)/(this.max.x-this.min.x),(a.y-this.min.y)/(this.max.y-this.min.y),(a.z-this.min.z)/(this.max.z-this.min.z))},intersectsBox:function(a){return a.max.x<this.min.x||a.min.x>this.max.x||a.max.y<this.min.y||a.min.y>this.max.y||a.max.z<this.min.z||a.min.z>this.max.z?
+!1:!0},intersectsSphere:function(){var a=new n;return function(b){this.clampPoint(b.center,a);return a.distanceToSquared(b.center)<=b.radius*b.radius}}(),intersectsPlane:function(a){if(0<a.normal.x){var b=a.normal.x*this.min.x;var c=a.normal.x*this.max.x}else b=a.normal.x*this.max.x,c=a.normal.x*this.min.x;0<a.normal.y?(b+=a.normal.y*this.min.y,c+=a.normal.y*this.max.y):(b+=a.normal.y*this.max.y,c+=a.normal.y*this.min.y);0<a.normal.z?(b+=a.normal.z*this.min.z,c+=a.normal.z*this.max.z):(b+=a.normal.z*
+this.max.z,c+=a.normal.z*this.min.z);return b<=-a.constant&&c>=-a.constant},intersectsTriangle:function(){function a(a){var e;var f=0;for(e=a.length-3;f<=e;f+=3){h.fromArray(a,f);var g=m.x*Math.abs(h.x)+m.y*Math.abs(h.y)+m.z*Math.abs(h.z),k=b.dot(h),l=c.dot(h),q=d.dot(h);if(Math.max(-Math.max(k,l,q),Math.min(k,l,q))>g)return!1}return!0}var b=new n,c=new n,d=new n,e=new n,f=new n,g=new n,h=new n,k=new n,m=new n,l=new n;return function(h){if(this.isEmpty())return!1;this.getCenter(k);m.subVectors(this.max,
+k);b.subVectors(h.a,k);c.subVectors(h.b,k);d.subVectors(h.c,k);e.subVectors(c,b);f.subVectors(d,c);g.subVectors(b,d);h=[0,-e.z,e.y,0,-f.z,f.y,0,-g.z,g.y,e.z,0,-e.x,f.z,0,-f.x,g.z,0,-g.x,-e.y,e.x,0,-f.y,f.x,0,-g.y,g.x,0];if(!a(h))return!1;h=[1,0,0,0,1,0,0,0,1];if(!a(h))return!1;l.crossVectors(e,f);h=[l.x,l.y,l.z];return a(h)}}(),clampPoint:function(a,b){void 0===b&&(console.warn("THREE.Box3: .clampPoint() target is now required"),b=new n);return b.copy(a).clamp(this.min,this.max)},distanceToPoint:function(){var a=
+new n;return function(b){return a.copy(b).clamp(this.min,this.max).sub(b).length()}}(),getBoundingSphere:function(){var a=new n;return function(b){void 0===b&&console.error("THREE.Box3: .getBoundingSphere() target is now required");this.getCenter(b.center);b.radius=.5*this.getSize(a).length();return b}}(),intersect:function(a){this.min.max(a.min);this.max.min(a.max);this.isEmpty()&&this.makeEmpty();return this},union:function(a){this.min.min(a.min);this.max.max(a.max);return this},applyMatrix4:function(){var a=
+[new n,new n,new n,new n,new n,new n,new n,new n];return function(b){if(this.isEmpty())return this;a[0].set(this.min.x,this.min.y,this.min.z).applyMatrix4(b);a[1].set(this.min.x,this.min.y,this.max.z).applyMatrix4(b);a[2].set(this.min.x,this.max.y,this.min.z).applyMatrix4(b);a[3].set(this.min.x,this.max.y,this.max.z).applyMatrix4(b);a[4].set(this.max.x,this.min.y,this.min.z).applyMatrix4(b);a[5].set(this.max.x,this.min.y,this.max.z).applyMatrix4(b);a[6].set(this.max.x,this.max.y,this.min.z).applyMatrix4(b);
+a[7].set(this.max.x,this.max.y,this.max.z).applyMatrix4(b);this.setFromPoints(a);return this}}(),translate:function(a){this.min.add(a);this.max.add(a);return this},equals:function(a){return a.min.equals(this.min)&&a.max.equals(this.max)}});Object.assign(Ua.prototype,{set:function(a,b){this.center.copy(a);this.radius=b;return this},setFromPoints:function(){var a=new Ha;return function(b,c){var d=this.center;void 0!==c?d.copy(c):a.setFromPoints(b).getCenter(d);for(var e=c=0,f=b.length;e<f;e++)c=Math.max(c,
+d.distanceToSquared(b[e]));this.radius=Math.sqrt(c);return this}}(),clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.center.copy(a.center);this.radius=a.radius;return this},empty:function(){return 0>=this.radius},containsPoint:function(a){return a.distanceToSquared(this.center)<=this.radius*this.radius},distanceToPoint:function(a){return a.distanceTo(this.center)-this.radius},intersectsSphere:function(a){var b=this.radius+a.radius;return a.center.distanceToSquared(this.center)<=
+b*b},intersectsBox:function(a){return a.intersectsSphere(this)},intersectsPlane:function(a){return Math.abs(a.distanceToPoint(this.center))<=this.radius},clampPoint:function(a,b){var c=this.center.distanceToSquared(a);void 0===b&&(console.warn("THREE.Sphere: .clampPoint() target is now required"),b=new n);b.copy(a);c>this.radius*this.radius&&(b.sub(this.center).normalize(),b.multiplyScalar(this.radius).add(this.center));return b},getBoundingBox:function(a){void 0===a&&(console.warn("THREE.Sphere: .getBoundingBox() target is now required"),
+a=new Ha);a.set(this.center,this.center);a.expandByScalar(this.radius);return a},applyMatrix4:function(a){this.center.applyMatrix4(a);this.radius*=a.getMaxScaleOnAxis();return this},translate:function(a){this.center.add(a);return this},equals:function(a){return a.center.equals(this.center)&&a.radius===this.radius}});Object.assign(ub.prototype,{set:function(a,b){this.origin.copy(a);this.direction.copy(b);return this},clone:function(){return(new this.constructor).copy(this)},copy:function(a){this.origin.copy(a.origin);
+this.direction.copy(a.direction);return this},at:function(a,b){void 0===b&&(console.warn("THREE.Ray: .at() target is now required"),b=new n);return b.copy(this.direction).multiplyScalar(a).add(this.origin)},lookAt:function(a){this.direction.copy(a).sub(this.origin).normalize();return this},recast:function(){var a=new n;return function(b){this.origin.copy(this.at(b,a));return this}}(),closestPointToPoint:function(a,b){void 0===b&&(console.warn("THREE.Ray: .closestPointToPoint() target is now required"),
 b=new n);b.subVectors(a,this.origin);a=b.dot(this.direction);return 0>a?b.copy(this.origin):b.copy(this.direction).multiplyScalar(a).add(this.origin)},distanceToPoint:function(a){return Math.sqrt(this.distanceSqToPoint(a))},distanceSqToPoint:function(){var a=new n;return function(b){var c=a.subVectors(b,this.origin).dot(this.direction);if(0>c)return this.origin.distanceToSquared(b);a.copy(this.direction).multiplyScalar(c).add(this.origin);return a.distanceToSquared(b)}}(),distanceSqToSegment:function(){var a=
 new n,b=new n,c=new n;return function(d,e,f,g){a.copy(d).add(e).multiplyScalar(.5);b.copy(e).sub(d).normalize();c.copy(this.origin).sub(a);var h=.5*d.distanceTo(e),k=-this.direction.dot(b),m=c.dot(this.direction),l=-c.dot(b),p=c.lengthSq(),n=Math.abs(1-k*k);if(0<n){d=k*l-m;e=k*m-l;var t=h*n;0<=d?e>=-t?e<=t?(h=1/n,d*=h,e*=h,k=d*(d+k*e+2*m)+e*(k*d+e+2*l)+p):(e=h,d=Math.max(0,-(k*e+m)),k=-d*d+e*(e+2*l)+p):(e=-h,d=Math.max(0,-(k*e+m)),k=-d*d+e*(e+2*l)+p):e<=-t?(d=Math.max(0,-(-k*h+m)),e=0<d?-h:Math.min(Math.max(-h,
 -l),h),k=-d*d+e*(e+2*l)+p):e<=t?(d=0,e=Math.min(Math.max(-h,-l),h),k=e*(e+2*l)+p):(d=Math.max(0,-(k*h+m)),e=0<d?h:Math.min(Math.max(-h,-l),h),k=-d*d+e*(e+2*l)+p)}else e=0<k?-h:h,d=Math.max(0,-(k*e+m)),k=-d*d+e*(e+2*l)+p;f&&f.copy(this.direction).multiplyScalar(d).add(this.origin);g&&g.copy(b).multiplyScalar(e).add(a);return k}}(),intersectSphere:function(){var a=new n;return function(b,c){a.subVectors(b.center,this.origin);var d=a.dot(this.direction),e=a.dot(a)-d*d;b=b.radius*b.radius;if(e>b)return null;

build/three.module.js

@@ -1527,7 +1527,10 @@ Object.assign( Quaternion.prototype, {
 			this._y = s * y + t * this._y;
 			this._z = s * z + t * this._z;
 
-			return this.normalize();
+			this.normalize();
+			this._onChangeCallback();
+
+			return this;
 
 		}
 
@@ -46765,13 +46768,13 @@ BoxHelper.prototype.clone = function () {
  * @author WestLangley / http://github.com/WestLangley
  */
 
-function Box3Helper( box, hex ) {
+function Box3Helper( box, color ) {
 
 	this.type = 'Box3Helper';
 
 	this.box = box;
 
-	var color = ( hex !== undefined ) ? hex : 0xffff00;
+	color = color || 0xffff00;
 
 	var indices = 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 ] );