// ThreeCanvas.js r43 - http://github.com/mrdoob/three.js var THREE=THREE||{};if(!window.Int32Array)window.Int32Array=Array,window.Float32Array=Array;THREE.Color=function(a){a!==void 0&&this.setHex(a);return this}; THREE.Color.prototype={constructor:THREE.Color,r:1,g:1,b:1,copy:function(a){this.r=a.r;this.g=a.g;this.b=a.b;return this},setRGB:function(a,b,c){this.r=a;this.g=b;this.b=c;return this},setHSV:function(a,b,c){var d,f,g;if(c==0)this.r=this.g=this.b=0;else switch(d=Math.floor(a*6),f=a*6-d,a=c*(1-b),g=c*(1-b*f),b=c*(1-b*(1-f)),d){case 1:this.r=g;this.g=c;this.b=a;break;case 2:this.r=a;this.g=c;this.b=b;break;case 3:this.r=a;this.g=g;this.b=c;break;case 4:this.r=b;this.g=a;this.b=c;break;case 5:this.r= c;this.g=a;this.b=g;break;case 6:case 0:this.r=c,this.g=b,this.b=a}return this},setHex:function(a){a=Math.floor(a);this.r=(a>>16&255)/255;this.g=(a>>8&255)/255;this.b=(a&255)/255;return this},getHex:function(){return~~(this.r*255)<<16^~~(this.g*255)<<8^~~(this.b*255)},getContextStyle:function(){return"rgb("+Math.floor(this.r*255)+","+Math.floor(this.g*255)+","+Math.floor(this.b*255)+")"},clone:function(){return(new THREE.Color).setRGB(this.r,this.g,this.b)}}; THREE.Vector2=function(a,b){this.set(a||0,b||0)}; THREE.Vector2.prototype={constructor:THREE.Vector2,set:function(a,b){this.x=a;this.y=b;return this},copy:function(a){this.x=a.x;this.y=a.y;return this},clone:function(){return new THREE.Vector2(this.x,this.y)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;return this},addSelf:function(a){this.x+=a.x;this.y+=a.y;return this},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;return this}, divideScalar:function(a){a?(this.x/=a,this.y/=a):this.set(0,0);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y},lengthSq:function(){return this.x*this.x+this.y*this.y},length:function(){return Math.sqrt(this.lengthSq())},normalize:function(){return this.divideScalar(this.length())},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},setLength:function(a){return this.normalize().multiplyScalar(a)}, unit:function(){return this.normalize()},equals:function(a){return a.x==this.x&&a.y==this.y}};THREE.Vector3=function(a,b,c){this.set(a||0,b||0,c||0)}; THREE.Vector3.prototype={constructor:THREE.Vector3,set:function(a,b,c){this.x=a;this.y=b;this.z=c;return this},copy:function(a){this.x=a.x;this.y=a.y;this.z=a.z;return this},clone:function(){return new THREE.Vector3(this.x,this.y,this.z)},add:function(a,b){this.x=a.x+b.x;this.y=a.y+b.y;this.z=a.z+b.z;return this},addSelf:function(a){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},sub:function(a,b){this.x=a.x-b.x;this.y=a.y-b.y;this.z= a.z-b.z;return this},subSelf:function(a){this.x-=a.x;this.y-=a.y;this.z-=a.z;return this},multiply:function(a,b){this.x=a.x*b.x;this.y=a.y*b.y;this.z=a.z*b.z;return this},multiplySelf:function(a){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},divideSelf:function(a){return this.divide(this,a)},divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a):this.set(0,0,0);return this},negate:function(){return this.multiplyScalar(-1)}, 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.lengthSq())},lengthManhattan:function(){return this.x+this.y+this.z},normalize:function(){return this.divideScalar(this.length())},setLength:function(a){return this.normalize().multiplyScalar(a)},cross:function(a,b){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;return this},crossSelf:function(a){return this.set(this.y* a.z-this.z*a.y,this.z*a.x-this.x*a.z,this.x*a.y-this.y*a.x)},distanceTo:function(a){return Math.sqrt(this.distanceToSquared(a))},distanceToSquared:function(a){return(new THREE.Vector3).sub(this,a).lengthSq()},setPositionFromMatrix:function(a){this.x=a.n14;this.y=a.n24;this.z=a.n34},setRotationFromMatrix:function(a){var b=Math.cos(this.y);this.y=Math.asin(a.n13);Math.abs(b)>1.0E-5?(this.x=Math.atan2(-a.n23/b,a.n33/b),this.z=Math.atan2(-a.n12/b,a.n11/b)):(this.x=0,this.z=Math.atan2(a.n21,a.n22))},isZero:function(){return this.lengthSq()< 1.0E-4}};THREE.Vector4=function(a,b,c,d){this.set(a||0,b||0,c||0,d||1)}; THREE.Vector4.prototype={constructor:THREE.Vector4,set:function(a,b,c,d){this.x=a;this.y=b;this.z=c;this.w=d;return this},copy:function(a){return this.set(a.x,a.y,a.z,a.w||1)},clone:function(){return new THREE.Vector4(this.x,this.y,this.z,this.w)},add: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},addSelf:function(a){this.x+=a.x;this.y+=a.y;this.z+=a.z;this.w+=a.w;return this},sub: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}, subSelf:function(a){this.x-=a.x;this.y-=a.y;this.z-=a.z;this.w-=a.w;return this},multiplyScalar:function(a){this.x*=a;this.y*=a;this.z*=a;this.w*=a;return this},divideScalar:function(a){a?(this.x/=a,this.y/=a,this.z/=a,this.w/=a):this.set(0,0,0,1);return this},negate:function(){return this.multiplyScalar(-1)},dot:function(a){return this.x*a.x+this.y*a.y+this.z*a.z+this.w*a.w},lengthSq:function(){return this.dot(this)},length:function(){return Math.sqrt(this.lengthSq())},normalize:function(){return this.divideScalar(this.length())}, setLength:function(a){return this.normalize().multiplyScalar(a)},lerpSelf: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}};THREE.Ray=function(a,b){this.origin=a||new THREE.Vector3;this.direction=b||new THREE.Vector3}; THREE.Ray.prototype={constructor:THREE.Ray,intersectScene:function(a){return this.intersectObjects(a.objects)},intersectObjects:function(a){var b,c,d=[];b=0;for(c=a.length;b0&&a>0&&e+a<1}if(a instanceof THREE.Particle){var d=b(this.origin,this.direction,a);if(!d||d>a.scale.x)return[];return[{distance:d,point:a.position,face:null,object:a}]}else if(a instanceof THREE.Mesh){d=b(this.origin,this.direction,a);if(!d||d>a.geometry.boundingSphere.radius*Math.max(a.scale.x,Math.max(a.scale.y,a.scale.z)))return[];var f,g,e,h, j,l,m,i,n,k,p=a.geometry,q=p.vertices,v=[],d=0;for(f=p.faces.length;d0:i<0))if(m=m.dot((new THREE.Vector3).sub(e, n))/i,n=n.addSelf(k.multiplyScalar(m)),g instanceof THREE.Face3)c(n,e,h,j)&&(g={distance:this.origin.distanceTo(n),point:n,face:g,object:a},v.push(g));else if(g instanceof THREE.Face4&&(c(n,e,h,l)||c(n,h,j,l)))g={distance:this.origin.distanceTo(n),point:n,face:g,object:a},v.push(g);return v}else return[]}}; THREE.Rectangle=function(){function a(){g=d-b;e=f-c}var b,c,d,f,g,e,h=!0;this.getX=function(){return b};this.getY=function(){return c};this.getWidth=function(){return g};this.getHeight=function(){return e};this.getLeft=function(){return b};this.getTop=function(){return c};this.getRight=function(){return d};this.getBottom=function(){return f};this.set=function(e,g,m,i){h=!1;b=e;c=g;d=m;f=i;a()};this.addPoint=function(e,g){h?(h=!1,b=e,c=g,d=e,f=g):(b=be?d:e,f=f>g?f:g);a()};this.add3Points= function(e,g,m,i,n,k){h?(h=!1,b=em?e>n?e:n:m>n?m:n,f=g>i?g>k?g:k:i>k?i:k):(b=em?e>n?e>d?e:d:n>d?n:d:m>n?m>d?m:d:n>d?n:d,f=g>i?g>k?g>f?g:f:k>f?k:f:i>k?i>f?i:f:k>f?k:f);a()};this.addRectangle=function(e){h?(h=!1,b=e.getLeft(),c=e.getTop(),d=e.getRight(),f=e.getBottom()):(b=be.getRight()?d:e.getRight(),f=f> e.getBottom()?f:e.getBottom());a()};this.inflate=function(e){b-=e;c-=e;d+=e;f+=e;a()};this.minSelf=function(e){b=b>e.getLeft()?b:e.getLeft();c=c>e.getTop()?c:e.getTop();d=d=0&&Math.min(f,a.getBottom())-Math.max(c,a.getTop())>=0};this.empty=function(){h=!0;f=d=c=b=0;a()};this.isEmpty=function(){return h}};THREE.Matrix3=function(){this.m=[]}; THREE.Matrix3.prototype={constructor:THREE.Matrix3,transpose:function(){var a,b=this.m;a=b[1];b[1]=b[3];b[3]=a;a=b[2];b[2]=b[6];b[6]=a;a=b[5];b[5]=b[7];b[7]=a;return this},transposeIntoArray:function(a){var b=this.m;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}};THREE.Matrix4=function(a,b,c,d,f,g,e,h,j,l,m,i,n,k,p,q){this.set(a||1,b||0,c||0,d||0,f||0,g||1,e||0,h||0,j||0,l||0,m||1,i||0,n||0,k||0,p||0,q||1);this.flat=Array(16);this.m33=new THREE.Matrix3}; THREE.Matrix4.prototype={constructor:THREE.Matrix4,set:function(a,b,c,d,f,g,e,h,j,l,m,i,n,k,p,q){this.n11=a;this.n12=b;this.n13=c;this.n14=d;this.n21=f;this.n22=g;this.n23=e;this.n24=h;this.n31=j;this.n32=l;this.n33=m;this.n34=i;this.n41=n;this.n42=k;this.n43=p;this.n44=q;return this},identity:function(){this.set(1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1);return this},copy:function(a){this.set(a.n11,a.n12,a.n13,a.n14,a.n21,a.n22,a.n23,a.n24,a.n31,a.n32,a.n33,a.n34,a.n41,a.n42,a.n43,a.n44);return this},lookAt:function(a, b,c){var d=THREE.Matrix4.__v1,f=THREE.Matrix4.__v2,g=THREE.Matrix4.__v3;g.sub(a,b).normalize();if(g.length()===0)g.z=1;d.cross(c,g).normalize();d.length()===0&&(g.x+=1.0E-4,d.cross(c,g).normalize());f.cross(g,d).normalize();this.n11=d.x;this.n12=f.x;this.n13=g.x;this.n21=d.y;this.n22=f.y;this.n23=g.y;this.n31=d.z;this.n32=f.z;this.n33=g.z;return this},multiplyVector3:function(a){var b=a.x,c=a.y,d=a.z,f=1/(this.n41*b+this.n42*c+this.n43*d+this.n44);a.x=(this.n11*b+this.n12*c+this.n13*d+this.n14)*f; a.y=(this.n21*b+this.n22*c+this.n23*d+this.n24)*f;a.z=(this.n31*b+this.n32*c+this.n33*d+this.n34)*f;return a},multiplyVector4:function(a){var b=a.x,c=a.y,d=a.z,f=a.w;a.x=this.n11*b+this.n12*c+this.n13*d+this.n14*f;a.y=this.n21*b+this.n22*c+this.n23*d+this.n24*f;a.z=this.n31*b+this.n32*c+this.n33*d+this.n34*f;a.w=this.n41*b+this.n42*c+this.n43*d+this.n44*f;return a},rotateAxis:function(a){var b=a.x,c=a.y,d=a.z;a.x=b*this.n11+c*this.n12+d*this.n13;a.y=b*this.n21+c*this.n22+d*this.n23;a.z=b*this.n31+ c*this.n32+d*this.n33;a.normalize();return a},crossVector:function(a){var b=new THREE.Vector4;b.x=this.n11*a.x+this.n12*a.y+this.n13*a.z+this.n14*a.w;b.y=this.n21*a.x+this.n22*a.y+this.n23*a.z+this.n24*a.w;b.z=this.n31*a.x+this.n32*a.y+this.n33*a.z+this.n34*a.w;b.w=a.w?this.n41*a.x+this.n42*a.y+this.n43*a.z+this.n44*a.w:1;return b},multiply:function(a,b){var c=a.n11,d=a.n12,f=a.n13,g=a.n14,e=a.n21,h=a.n22,j=a.n23,l=a.n24,m=a.n31,i=a.n32,n=a.n33,k=a.n34,p=a.n41,q=a.n42,v=a.n43,s=a.n44,O=b.n11,P=b.n12, y=b.n13,B=b.n14,o=b.n21,t=b.n22,r=b.n23,x=b.n24,E=b.n31,Z=b.n32,$=b.n33,I=b.n34,D=b.n41,J=b.n42,M=b.n43,F=b.n44;this.n11=c*O+d*o+f*E+g*D;this.n12=c*P+d*t+f*Z+g*J;this.n13=c*y+d*r+f*$+g*M;this.n14=c*B+d*x+f*I+g*F;this.n21=e*O+h*o+j*E+l*D;this.n22=e*P+h*t+j*Z+l*J;this.n23=e*y+h*r+j*$+l*M;this.n24=e*B+h*x+j*I+l*F;this.n31=m*O+i*o+n*E+k*D;this.n32=m*P+i*t+n*Z+k*J;this.n33=m*y+i*r+n*$+k*M;this.n34=m*B+i*x+n*I+k*F;this.n41=p*O+q*o+v*E+s*D;this.n42=p*P+q*t+v*Z+s*J;this.n43=p*y+q*r+v*$+s*M;this.n44=p*B+q* x+v*I+s*F;return this},multiplyToArray:function(a,b,c){this.multiply(a,b);c[0]=this.n11;c[1]=this.n21;c[2]=this.n31;c[3]=this.n41;c[4]=this.n12;c[5]=this.n22;c[6]=this.n32;c[7]=this.n42;c[8]=this.n13;c[9]=this.n23;c[10]=this.n33;c[11]=this.n43;c[12]=this.n14;c[13]=this.n24;c[14]=this.n34;c[15]=this.n44;return this},multiplySelf:function(a){this.multiply(this,a);return this},multiplyScalar:function(a){this.n11*=a;this.n12*=a;this.n13*=a;this.n14*=a;this.n21*=a;this.n22*=a;this.n23*=a;this.n24*=a;this.n31*= a;this.n32*=a;this.n33*=a;this.n34*=a;this.n41*=a;this.n42*=a;this.n43*=a;this.n44*=a;return this},determinant:function(){var a=this.n11,b=this.n12,c=this.n13,d=this.n14,f=this.n21,g=this.n22,e=this.n23,h=this.n24,j=this.n31,l=this.n32,m=this.n33,i=this.n34,n=this.n41,k=this.n42,p=this.n43,q=this.n44;return d*e*l*n-c*h*l*n-d*g*m*n+b*h*m*n+c*g*i*n-b*e*i*n-d*e*j*k+c*h*j*k+d*f*m*k-a*h*m*k-c*f*i*k+a*e*i*k+d*g*j*p-b*h*j*p-d*f*l*p+a*h*l*p+b*f*i*p-a*g*i*p-c*g*j*q+b*e*j*q+c*f*l*q-a*e*l*q-b*f*m*q+a*g*m*q}, transpose:function(){var a;a=this.n21;this.n21=this.n12;this.n12=a;a=this.n31;this.n31=this.n13;this.n13=a;a=this.n32;this.n32=this.n23;this.n23=a;a=this.n41;this.n41=this.n14;this.n14=a;a=this.n42;this.n42=this.n24;this.n24=a;a=this.n43;this.n43=this.n34;this.n43=a;return this},clone:function(){var a=new THREE.Matrix4;a.n11=this.n11;a.n12=this.n12;a.n13=this.n13;a.n14=this.n14;a.n21=this.n21;a.n22=this.n22;a.n23=this.n23;a.n24=this.n24;a.n31=this.n31;a.n32=this.n32;a.n33=this.n33;a.n34=this.n34; a.n41=this.n41;a.n42=this.n42;a.n43=this.n43;a.n44=this.n44;return a},flatten:function(){this.flat[0]=this.n11;this.flat[1]=this.n21;this.flat[2]=this.n31;this.flat[3]=this.n41;this.flat[4]=this.n12;this.flat[5]=this.n22;this.flat[6]=this.n32;this.flat[7]=this.n42;this.flat[8]=this.n13;this.flat[9]=this.n23;this.flat[10]=this.n33;this.flat[11]=this.n43;this.flat[12]=this.n14;this.flat[13]=this.n24;this.flat[14]=this.n34;this.flat[15]=this.n44;return this.flat},flattenToArray:function(a){a[0]=this.n11; a[1]=this.n21;a[2]=this.n31;a[3]=this.n41;a[4]=this.n12;a[5]=this.n22;a[6]=this.n32;a[7]=this.n42;a[8]=this.n13;a[9]=this.n23;a[10]=this.n33;a[11]=this.n43;a[12]=this.n14;a[13]=this.n24;a[14]=this.n34;a[15]=this.n44;return a},flattenToArrayOffset:function(a,b){a[b]=this.n11;a[b+1]=this.n21;a[b+2]=this.n31;a[b+3]=this.n41;a[b+4]=this.n12;a[b+5]=this.n22;a[b+6]=this.n32;a[b+7]=this.n42;a[b+8]=this.n13;a[b+9]=this.n23;a[b+10]=this.n33;a[b+11]=this.n43;a[b+12]=this.n14;a[b+13]=this.n24;a[b+14]=this.n34; a[b+15]=this.n44;return a},setTranslation:function(a,b,c){this.set(1,0,0,a,0,1,0,b,0,0,1,c,0,0,0,1);return this},setScale:function(a,b,c){this.set(a,0,0,0,0,b,0,0,0,0,c,0,0,0,0,1);return this},setRotationX: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},setRotationY: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},setRotationZ: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},setRotationAxis:function(a,b){var c=Math.cos(b),d=Math.sin(b),f=1-c,g=a.x,e=a.y,h=a.z,j=f*g,l=f*e;this.set(j*g+c,j*e-d*h,j*h+d*e,0,j*e+d*h,l*e+c,l*h-d*g,0,j*h-d*e,l*h+d*g,f*h*h+c,0,0,0,0,1);return this},setPosition:function(a){this.n14=a.x;this.n24=a.y;this.n34=a.z;return this},getPosition:function(){if(!this.position)this.position=new THREE.Vector3;this.position.set(this.n14,this.n24,this.n34);return this.position},getColumnX:function(){if(!this.columnX)this.columnX= new THREE.Vector3;this.columnX.set(this.n11,this.n21,this.n31);return this.columnX},getColumnY:function(){if(!this.columnY)this.columnY=new THREE.Vector3;this.columnY.set(this.n12,this.n22,this.n32);return this.columnY},getColumnZ:function(){if(!this.columnZ)this.columnZ=new THREE.Vector3;this.columnZ.set(this.n13,this.n23,this.n33);return this.columnZ},setRotationFromEuler:function(a,b){var c=a.x,d=a.y,f=a.z,g=Math.cos(c),c=Math.sin(c),e=Math.cos(d),d=Math.sin(d),h=Math.cos(f),f=Math.sin(f);switch(b){case "YXZ":var j= e*h,l=e*f,m=d*h,i=d*f;this.n11=j+i*c;this.n12=m*c-l;this.n13=g*d;this.n21=g*f;this.n22=g*h;this.n23=-c;this.n31=l*c-m;this.n32=i+j*c;this.n33=g*e;break;case "ZXY":j=e*h;l=e*f;m=d*h;i=d*f;this.n11=j-i*c;this.n12=-g*f;this.n13=m+l*c;this.n21=l+m*c;this.n22=g*h;this.n23=i-j*c;this.n31=-g*d;this.n32=c;this.n33=g*e;break;case "ZYX":j=g*h;l=g*f;m=c*h;i=c*f;this.n11=e*h;this.n12=m*d-l;this.n13=j*d+i;this.n21=e*f;this.n22=i*d+j;this.n23=l*d-m;this.n31=-d;this.n32=c*e;this.n33=g*e;break;case "YZX":j=g*e;l= g*d;m=c*e;i=c*d;this.n11=e*h;this.n12=i-j*f;this.n13=m*f+l;this.n21=f;this.n22=g*h;this.n23=-c*h;this.n31=-d*h;this.n32=l*f+m;this.n33=j-i*f;break;case "XZY":j=g*e;l=g*d;m=c*e;i=c*d;this.n11=e*h;this.n12=-f;this.n13=d*h;this.n21=j*f+i;this.n22=g*h;this.n23=l*f-m;this.n31=m*f-l;this.n32=c*h;this.n33=i*f+j;break;default:j=g*h,l=g*f,m=c*h,i=c*f,this.n11=e*h,this.n12=-e*f,this.n13=d,this.n21=l+m*d,this.n22=j-i*d,this.n23=-c*e,this.n31=i-j*d,this.n32=m+l*d,this.n33=g*e}return this},setRotationFromQuaternion:function(a){var b= a.x,c=a.y,d=a.z,f=a.w,g=b+b,e=c+c,h=d+d,a=b*g,j=b*e;b*=h;var l=c*e;c*=h;d*=h;g*=f;e*=f;f*=h;this.n11=1-(l+d);this.n12=j-f;this.n13=b+e;this.n21=j+f;this.n22=1-(a+d);this.n23=c-g;this.n31=b-e;this.n32=c+g;this.n33=1-(a+l);return this},scale:function(a){var b=a.x,c=a.y,a=a.z;this.n11*=b;this.n12*=c;this.n13*=a;this.n21*=b;this.n22*=c;this.n23*=a;this.n31*=b;this.n32*=c;this.n33*=a;this.n41*=b;this.n42*=c;this.n43*=a;return this},extractPosition:function(a){this.n14=a.n14;this.n24=a.n24;this.n34=a.n34}, extractRotation:function(a,b){var c=1/b.x,d=1/b.y,f=1/b.z;this.n11=a.n11*c;this.n21=a.n21*c;this.n31=a.n31*c;this.n12=a.n12*d;this.n22=a.n22*d;this.n32=a.n32*d;this.n13=a.n13*f;this.n23=a.n23*f;this.n33=a.n33*f}}; THREE.Matrix4.makeInvert=function(a,b){var c=a.n11,d=a.n12,f=a.n13,g=a.n14,e=a.n21,h=a.n22,j=a.n23,l=a.n24,m=a.n31,i=a.n32,n=a.n33,k=a.n34,p=a.n41,q=a.n42,v=a.n43,s=a.n44;b===void 0&&(b=new THREE.Matrix4);b.n11=j*k*q-l*n*q+l*i*v-h*k*v-j*i*s+h*n*s;b.n12=g*n*q-f*k*q-g*i*v+d*k*v+f*i*s-d*n*s;b.n13=f*l*q-g*j*q+g*h*v-d*l*v-f*h*s+d*j*s;b.n14=g*j*i-f*l*i-g*h*n+d*l*n+f*h*k-d*j*k;b.n21=l*n*p-j*k*p-l*m*v+e*k*v+j*m*s-e*n*s;b.n22=f*k*p-g*n*p+g*m*v-c*k*v-f*m*s+c*n*s;b.n23=g*j*p-f*l*p-g*e*v+c*l*v+f*e*s-c*j*s;b.n24= f*l*m-g*j*m+g*e*n-c*l*n-f*e*k+c*j*k;b.n31=h*k*p-l*i*p+l*m*q-e*k*q-h*m*s+e*i*s;b.n32=g*i*p-d*k*p-g*m*q+c*k*q+d*m*s-c*i*s;b.n33=f*l*p-g*h*p+g*e*q-c*l*q-d*e*s+c*h*s;b.n34=g*h*m-d*l*m-g*e*i+c*l*i+d*e*k-c*h*k;b.n41=j*i*p-h*n*p-j*m*q+e*n*q+h*m*v-e*i*v;b.n42=d*n*p-f*i*p+f*m*q-c*n*q-d*m*v+c*i*v;b.n43=f*h*p-d*j*p-f*e*q+c*j*q+d*e*v-c*h*v;b.n44=d*j*m-f*h*m+f*e*i-c*j*i-d*e*n+c*h*n;b.multiplyScalar(1/a.determinant());return b}; THREE.Matrix4.makeInvert3x3=function(a){var b=a.m33,c=b.m,d=a.n33*a.n22-a.n32*a.n23,f=-a.n33*a.n21+a.n31*a.n23,g=a.n32*a.n21-a.n31*a.n22,e=-a.n33*a.n12+a.n32*a.n13,h=a.n33*a.n11-a.n31*a.n13,j=-a.n32*a.n11+a.n31*a.n12,l=a.n23*a.n12-a.n22*a.n13,m=-a.n23*a.n11+a.n21*a.n13,i=a.n22*a.n11-a.n21*a.n12,a=a.n11*d+a.n21*e+a.n31*l;a==0&&console.error("THREE.Matrix4.makeInvert3x3: Matrix not invertible.");a=1/a;c[0]=a*d;c[1]=a*f;c[2]=a*g;c[3]=a*e;c[4]=a*h;c[5]=a*j;c[6]=a*l;c[7]=a*m;c[8]=a*i;return b}; THREE.Matrix4.makeFrustum=function(a,b,c,d,f,g){var e;e=new THREE.Matrix4;e.n11=2*f/(b-a);e.n12=0;e.n13=(b+a)/(b-a);e.n14=0;e.n21=0;e.n22=2*f/(d-c);e.n23=(d+c)/(d-c);e.n24=0;e.n31=0;e.n32=0;e.n33=-(g+f)/(g-f);e.n34=-2*g*f/(g-f);e.n41=0;e.n42=0;e.n43=-1;e.n44=0;return e};THREE.Matrix4.makePerspective=function(a,b,c,d){var f,a=c*Math.tan(a*Math.PI/360);f=-a;return THREE.Matrix4.makeFrustum(f*b,a*b,f,a,c,d)}; THREE.Matrix4.makeOrtho=function(a,b,c,d,f,g){var e,h,j,l;e=new THREE.Matrix4;h=b-a;j=c-d;l=g-f;e.n11=2/h;e.n12=0;e.n13=0;e.n14=-((b+a)/h);e.n21=0;e.n22=2/j;e.n23=0;e.n24=-((c+d)/j);e.n31=0;e.n32=0;e.n33=-2/l;e.n34=-((g+f)/l);e.n41=0;e.n42=0;e.n43=0;e.n44=1;return e};THREE.Matrix4.__v1=new THREE.Vector3;THREE.Matrix4.__v2=new THREE.Vector3;THREE.Matrix4.__v3=new THREE.Vector3; THREE.Object3D=function(){this.parent=void 0;this.children=[];this.up=new THREE.Vector3(0,1,0);this.position=new THREE.Vector3;this.rotation=new THREE.Vector3;this.eulerOrder="XYZ";this.scale=new THREE.Vector3(1,1,1);this.flipSided=this.doubleSided=this.dynamic=!1;this.renderDepth=null;this.rotationAutoUpdate=!0;this.matrix=new THREE.Matrix4;this.matrixWorld=new THREE.Matrix4;this.matrixRotationWorld=new THREE.Matrix4;this.matrixWorldNeedsUpdate=this.matrixAutoUpdate=!0;this.quaternion=new THREE.Quaternion; this.useQuaternion=!1;this.boundRadius=0;this.boundRadiusScale=1;this.visible=!0;this.receiveShadow=this.castShadow=!1;this._vector=new THREE.Vector3;this.name=""}; THREE.Object3D.prototype={constructor:THREE.Object3D,translate:function(a,b){this.matrix.rotateAxis(b);this.position.addSelf(b.multiplyScalar(a))},translateX:function(a){this.translate(a,this._vector.set(1,0,0))},translateY:function(a){this.translate(a,this._vector.set(0,1,0))},translateZ:function(a){this.translate(a,this._vector.set(0,0,1))},lookAt:function(a){this.matrix.lookAt(a,this.position,this.up);this.rotationAutoUpdate&&this.rotation.setRotationFromMatrix(this.matrix)},addChild:function(a){if(this.children.indexOf(a)=== -1){a.parent!==void 0&&a.parent.removeChild(a);a.parent=this;this.children.push(a);for(var b=this;b.parent!==void 0;)b=b.parent;b!==void 0&&b instanceof THREE.Scene&&b.addChildRecurse(a)}},removeChild:function(a){var b=this.children.indexOf(a);if(b!==-1)a.parent=void 0,this.children.splice(b,1)},getChildByName:function(a,b){var c,d,f;c=0;for(d=this.children.length;c=1)return c.w=a.w,c.x=a.x,c.y=a.y,c.z=a.z,c;var g=Math.acos(f),e=Math.sqrt(1-f*f);if(Math.abs(e)<0.001)return c.w=0.5*(a.w+b.w),c.x=0.5*(a.x+b.x),c.y=0.5*(a.y+b.y),c.z=0.5*(a.z+b.z),c;f=Math.sin((1-d)*g)/e;d=Math.sin(d*g)/e;c.w=a.w*f+b.w*d;c.x=a.x*f+b.x*d;c.y=a.y*f+b.y*d;c.z=a.z*f+b.z*d;return c};THREE.Vertex=function(a){this.position=a||new THREE.Vector3}; THREE.Face3=function(a,b,c,d,f,g){this.a=a;this.b=b;this.c=c;this.normal=d instanceof THREE.Vector3?d:new THREE.Vector3;this.vertexNormals=d instanceof Array?d:[];this.color=f instanceof THREE.Color?f:new THREE.Color;this.vertexColors=f instanceof Array?f:[];this.vertexTangents=[];this.materials=g instanceof Array?g:[g];this.centroid=new THREE.Vector3}; THREE.Face4=function(a,b,c,d,f,g,e){this.a=a;this.b=b;this.c=c;this.d=d;this.normal=f instanceof THREE.Vector3?f:new THREE.Vector3;this.vertexNormals=f instanceof Array?f:[];this.color=g instanceof THREE.Color?g:new THREE.Color;this.vertexColors=g instanceof Array?g:[];this.vertexTangents=[];this.materials=e instanceof Array?e:[e];this.centroid=new THREE.Vector3};THREE.UV=function(a,b){this.set(a||0,b||0)}; THREE.UV.prototype={constructor:THREE.UV,set:function(a,b){this.u=a;this.v=b;return this},copy:function(a){this.set(a.u,a.v);return this}};THREE.Geometry=function(){this.id="Geometry"+THREE.GeometryIdCounter++;this.vertices=[];this.colors=[];this.faces=[];this.edges=[];this.faceUvs=[[]];this.faceVertexUvs=[[]];this.morphTargets=[];this.morphColors=[];this.skinWeights=[];this.skinIndices=[];this.boundingSphere=this.boundingBox=null;this.dynamic=this.hasTangents=!1}; THREE.Geometry.prototype={constructor:THREE.Geometry,computeCentroids:function(){var a,b,c;a=0;for(b=this.faces.length;a0){this.boundingBox={x:[this.vertices[0].position.x,this.vertices[0].position.x],y:[this.vertices[0].position.y,this.vertices[0].position.y],z:[this.vertices[0].position.z,this.vertices[0].position.z]};for(var b=1,c=this.vertices.length;bthis.boundingBox.x[1])this.boundingBox.x[1]=a.position.x;if(a.position.ythis.boundingBox.y[1])this.boundingBox.y[1]=a.position.y;if(a.position.zthis.boundingBox.z[1])this.boundingBox.z[1]=a.position.z}}},computeBoundingSphere:function(){for(var a=0,b=0,c=this.vertices.length;b=0&&f>=0&&g>=0&&h>=0?!0:e<0&&f<0||g<0&&h<0?!1:(e<0?c=Math.max(c,e/(e-f)):f<0&&(d=Math.min(d,e/(e-f))),g<0?c=Math.max(c,g/(g-h)):h<0&&(d=Math.min(d,g/(g-h))),dJ&&e.positionScreen.z0&&B.z<1))A=P[O]=P[O]||new THREE.RenderableParticle,O++,s=A,s.x=B.x/B.w,s.y=B.y/B.w,s.z=B.z,s.rotation=u.rotation.z,s.scale.x=u.scale.x*Math.abs(s.x-(B.x+f.projectionMatrix.n11)/(B.w+f.projectionMatrix.n14)),s.scale.y=u.scale.y*Math.abs(s.y-(B.y+ f.projectionMatrix.n22)/(B.w+f.projectionMatrix.n24)),s.materials=u.materials,D.push(s);g&&D.sort(b);return D}}; THREE.CanvasRenderer=function(a){function b(a){if(v!=a)k.globalAlpha=v=a}function c(a){if(s!=a){switch(a){case THREE.NormalBlending:k.globalCompositeOperation="source-over";break;case THREE.AdditiveBlending:k.globalCompositeOperation="lighter";break;case THREE.SubtractiveBlending:k.globalCompositeOperation="darker"}s=a}}function d(a){if(O!=a)k.strokeStyle=O=a}function f(a){if(P!=a)k.fillStyle=P=a}var g=this,e=null,h=new THREE.Projector,a=a||{},j=a.canvas!==void 0?a.canvas:document.createElement("canvas"), l,m,i,n,k=j.getContext("2d"),p=new THREE.Color(0),q=0,v=1,s=0,O=null,P=null,y=null,B=null,o=null,t,r,x,E,Z=new THREE.RenderableVertex,$=new THREE.RenderableVertex,I,D,J,M,F,K,G,Q,w,N,L,pa,C=new THREE.Color(0),u=new THREE.Color(0),A=new THREE.Color(0),H=new THREE.Color(0),S=new THREE.Color(0),la=[],V,ca,W,aa,Da,Ea,Fa,Ga,Ha,Ia,ja=new THREE.Rectangle,X=new THREE.Rectangle,U=new THREE.Rectangle,za=!1,ba=new THREE.Color,Y=new THREE.Color,ta=new THREE.Color,ua=new THREE.Color,R=new THREE.Vector3,qa,ra, Aa,da,sa,va,a=16;qa=document.createElement("canvas");qa.width=qa.height=2;ra=qa.getContext("2d");ra.fillStyle="rgba(0,0,0,1)";ra.fillRect(0,0,2,2);Aa=ra.getImageData(0,0,2,2);da=Aa.data;sa=document.createElement("canvas");sa.width=sa.height=a;va=sa.getContext("2d");va.translate(-a/2,-a/2);va.scale(a,a);a--;this.domElement=j;this.sortElements=this.sortObjects=this.autoClear=!0;this.data={vertices:0,faces:0};this.setSize=function(a,b){l=a;m=b;i=Math.floor(l/2);n=Math.floor(m/2);j.width=l;j.height=m; ja.set(-i,-n,i,n);X.set(-i,-n,i,n);v=1;s=0;o=B=y=P=O=null};this.setClearColor=function(a,b){p.copy(a);q=b;X.set(-i,-n,i,n)};this.setClearColorHex=function(a,b){p.setHex(a);q=b;X.set(-i,-n,i,n)};this.clear=function(){k.setTransform(1,0,0,-1,i,n);X.isEmpty()||(X.minSelf(ja),X.inflate(2),q<1&&k.clearRect(Math.floor(X.getX()),Math.floor(X.getY()),Math.floor(X.getWidth()),Math.floor(X.getHeight())),q>0&&(c(THREE.NormalBlending),b(1),f("rgba("+Math.floor(p.r*255)+","+Math.floor(p.g*255)+","+Math.floor(p.b* 255)+","+q+")"),k.fillRect(Math.floor(X.getX()),Math.floor(X.getY()),Math.floor(X.getWidth()),Math.floor(X.getHeight()))),X.empty())};this.render=function(a,l){function j(a){var b,c,d,f=a.lights;Y.setRGB(0,0,0);ta.setRGB(0,0,0);ua.setRGB(0,0,0);a=0;for(b=f.length;a>1,o=j.height>>1,g=e.scale.x*i,m=e.scale.y*n,h=g*Ba,l=m*o,U.set(a.x-h,a.y-l,a.x+h,a.y+l),ja.instersects(U)&&(k.save(),k.translate(a.x,a.y),k.rotate(-e.rotation),k.scale(g,-m),k.translate(-Ba,-o),k.drawImage(j,0,0),k.restore())}else g instanceof THREE.ParticleCanvasMaterial&&(h=e.scale.x*i,l=e.scale.y*n,U.set(a.x-h,a.y-l,a.x+h,a.y+l),ja.instersects(U)&&(d(g.color.getContextStyle()),f(g.color.getContextStyle()),k.save(),k.translate(a.x,a.y),k.rotate(-e.rotation),k.scale(h,l),g.program(k), k.restore()))}function q(a,e,f,g){b(g.opacity);c(g.blending);k.beginPath();k.moveTo(a.positionScreen.x,a.positionScreen.y);k.lineTo(e.positionScreen.x,e.positionScreen.y);k.closePath();if(g instanceof THREE.LineBasicMaterial){a=g.linewidth;if(y!=a)k.lineWidth=y=a;a=g.linecap;if(B!=a)k.lineCap=B=a;a=g.linejoin;if(o!=a)k.lineJoin=o=a;d(g.color.getContextStyle());k.stroke();U.inflate(g.linewidth*2)}}function s(a,d,e,f,h,k,i,j,n){g.data.vertices+=3;g.data.faces++;b(j.opacity);c(j.blending);I=a.positionScreen.x; D=a.positionScreen.y;J=d.positionScreen.x;M=d.positionScreen.y;F=e.positionScreen.x;K=e.positionScreen.y;O(I,D,J,M,F,K);if(j instanceof THREE.MeshBasicMaterial)if(j.map)j.map.mapping instanceof THREE.UVMapping&&(aa=i.uvs[0],Ca(I,D,J,M,F,K,aa[f].u,aa[f].v,aa[h].u,aa[h].v,aa[k].u,aa[k].v,j.map));else if(j.envMap){if(j.envMap.mapping instanceof THREE.SphericalReflectionMapping)a=l.matrixWorldInverse,R.copy(i.vertexNormalsWorld[0]),Da=(R.x*a.n11+R.y*a.n12+R.z*a.n13)*0.5+0.5,Ea=-(R.x*a.n21+R.y*a.n22+R.z* a.n23)*0.5+0.5,R.copy(i.vertexNormalsWorld[1]),Fa=(R.x*a.n11+R.y*a.n12+R.z*a.n13)*0.5+0.5,Ga=-(R.x*a.n21+R.y*a.n22+R.z*a.n23)*0.5+0.5,R.copy(i.vertexNormalsWorld[2]),Ha=(R.x*a.n11+R.y*a.n12+R.z*a.n13)*0.5+0.5,Ia=-(R.x*a.n21+R.y*a.n22+R.z*a.n23)*0.5+0.5,Ca(I,D,J,M,F,K,Da,Ea,Fa,Ga,Ha,Ia,j.envMap)}else j.wireframe?fa(j.color,j.wireframeLinewidth,j.wireframeLinecap,j.wireframeLinejoin):ga(j.color);else if(j instanceof THREE.MeshLambertMaterial)j.map&&!j.wireframe&&(j.map.mapping instanceof THREE.UVMapping&& (aa=i.uvs[0],Ca(I,D,J,M,F,K,aa[f].u,aa[f].v,aa[h].u,aa[h].v,aa[k].u,aa[k].v,j.map)),c(THREE.SubtractiveBlending)),za?!j.wireframe&&j.shading==THREE.SmoothShading&&i.vertexNormalsWorld.length==3?(u.r=A.r=H.r=Y.r,u.g=A.g=H.g=Y.g,u.b=A.b=H.b=Y.b,m(n,i.v1.positionWorld,i.vertexNormalsWorld[0],u),m(n,i.v2.positionWorld,i.vertexNormalsWorld[1],A),m(n,i.v3.positionWorld,i.vertexNormalsWorld[2],H),S.r=(A.r+H.r)*0.5,S.g=(A.g+H.g)*0.5,S.b=(A.b+H.b)*0.5,W=wa(u,A,H,S),ma(I,D,J,M,F,K,0,0,1,0,0,1,W)):(ba.r=Y.r, ba.g=Y.g,ba.b=Y.b,m(n,i.centroidWorld,i.normalWorld,ba),C.r=Math.max(0,Math.min(j.color.r*ba.r,1)),C.g=Math.max(0,Math.min(j.color.g*ba.g,1)),C.b=Math.max(0,Math.min(j.color.b*ba.b,1)),j.wireframe?fa(C,j.wireframeLinewidth,j.wireframeLinecap,j.wireframeLinejoin):ga(C)):j.wireframe?fa(j.color,j.wireframeLinewidth,j.wireframeLinecap,j.wireframeLinejoin):ga(j.color);else if(j instanceof THREE.MeshDepthMaterial)V=l.near,ca=l.far,u.r=u.g=u.b=1-ka(a.positionScreen.z,V,ca),A.r=A.g=A.b=1-ka(d.positionScreen.z, V,ca),H.r=H.g=H.b=1-ka(e.positionScreen.z,V,ca),S.r=(A.r+H.r)*0.5,S.g=(A.g+H.g)*0.5,S.b=(A.b+H.b)*0.5,W=wa(u,A,H,S),ma(I,D,J,M,F,K,0,0,1,0,0,1,W);else if(j instanceof THREE.MeshNormalMaterial)C.r=na(i.normalWorld.x),C.g=na(i.normalWorld.y),C.b=na(i.normalWorld.z),j.wireframe?fa(C,j.wireframeLinewidth,j.wireframeLinecap,j.wireframeLinejoin):ga(C)}function v(a,d,e,f,h,j,i,k,n){g.data.vertices+=4;g.data.faces++;b(k.opacity);c(k.blending);if(k.map||k.envMap)s(a,d,f,0,1,3,i,k,n),s(h,e,j,1,2,3,i,k,n);else if(I= a.positionScreen.x,D=a.positionScreen.y,J=d.positionScreen.x,M=d.positionScreen.y,F=e.positionScreen.x,K=e.positionScreen.y,G=f.positionScreen.x,Q=f.positionScreen.y,w=h.positionScreen.x,N=h.positionScreen.y,L=j.positionScreen.x,pa=j.positionScreen.y,k instanceof THREE.MeshBasicMaterial)P(I,D,J,M,F,K,G,Q),k.wireframe?fa(k.color,k.wireframeLinewidth,k.wireframeLinecap,k.wireframeLinejoin):ga(k.color);else if(k instanceof THREE.MeshLambertMaterial)za?!k.wireframe&&k.shading==THREE.SmoothShading&&i.vertexNormalsWorld.length== 4?(u.r=A.r=H.r=S.r=Y.r,u.g=A.g=H.g=S.g=Y.g,u.b=A.b=H.b=S.b=Y.b,m(n,i.v1.positionWorld,i.vertexNormalsWorld[0],u),m(n,i.v2.positionWorld,i.vertexNormalsWorld[1],A),m(n,i.v4.positionWorld,i.vertexNormalsWorld[3],H),m(n,i.v3.positionWorld,i.vertexNormalsWorld[2],S),W=wa(u,A,H,S),O(I,D,J,M,G,Q),ma(I,D,J,M,G,Q,0,0,1,0,0,1,W),O(w,N,F,K,L,pa),ma(w,N,F,K,L,pa,1,0,1,1,0,1,W)):(ba.r=Y.r,ba.g=Y.g,ba.b=Y.b,m(n,i.centroidWorld,i.normalWorld,ba),C.r=Math.max(0,Math.min(k.color.r*ba.r,1)),C.g=Math.max(0,Math.min(k.color.g* ba.g,1)),C.b=Math.max(0,Math.min(k.color.b*ba.b,1)),P(I,D,J,M,F,K,G,Q),k.wireframe?fa(C,k.wireframeLinewidth,k.wireframeLinecap,k.wireframeLinejoin):ga(C)):(P(I,D,J,M,F,K,G,Q),k.wireframe?fa(k.color,k.wireframeLinewidth,k.wireframeLinecap,k.wireframeLinejoin):ga(k.color));else if(k instanceof THREE.MeshNormalMaterial)C.r=na(i.normalWorld.x),C.g=na(i.normalWorld.y),C.b=na(i.normalWorld.z),P(I,D,J,M,F,K,G,Q),k.wireframe?fa(C,k.wireframeLinewidth,k.wireframeLinecap,k.wireframeLinejoin):ga(C);else if(k instanceof THREE.MeshDepthMaterial)V=l.near,ca=l.far,u.r=u.g=u.b=1-ka(a.positionScreen.z,V,ca),A.r=A.g=A.b=1-ka(d.positionScreen.z,V,ca),H.r=H.g=H.b=1-ka(f.positionScreen.z,V,ca),S.r=S.g=S.b=1-ka(e.positionScreen.z,V,ca),W=wa(u,A,H,S),O(I,D,J,M,G,Q),ma(I,D,J,M,G,Q,0,0,1,0,0,1,W),O(w,N,F,K,L,pa),ma(w,N,F,K,L,pa,1,0,1,1,0,1,W)}function O(a,b,c,d,e,f){k.beginPath();k.moveTo(a,b);k.lineTo(c,d);k.lineTo(e,f);k.lineTo(a,b);k.closePath()}function P(a,b,c,d,e,f,g,h){k.beginPath();k.moveTo(a,b);k.lineTo(c,d);k.lineTo(e, f);k.lineTo(g,h);k.lineTo(a,b);k.closePath()}function fa(a,b,c,e){if(y!=b)k.lineWidth=y=b;if(B!=c)k.lineCap=B=c;if(o!=e)k.lineJoin=o=e;d(a.getContextStyle());k.stroke();U.inflate(b*2)}function ga(a){f(a.getContextStyle());k.fill()}function Ca(a,b,c,d,e,g,h,j,i,l,m,n,o){if(o.image.width!=0){if(o.needsUpdate==!0||la[o.id]==void 0){var p=o.wrapS==THREE.RepeatWrapping,q=o.wrapT==THREE.RepeatWrapping;la[o.id]=k.createPattern(o.image,p&&q?"repeat":p&&!q?"repeat-x":!p&&q?"repeat-y":"no-repeat");o.needsUpdate= !1}f(la[o.id]);var p=o.offset.x/o.repeat.x,q=o.offset.y/o.repeat.y,r=(o.image.width-1)*o.repeat.x,o=(o.image.height-1)*o.repeat.y,h=(h+p)*r,j=(j+q)*o,i=(i+p)*r,l=(l+q)*o,m=(m+p)*r,n=(n+q)*o;c-=a;d-=b;e-=a;g-=b;i-=h;l-=j;m-=h;n-=j;p=1/(i*n-m*l);o=(n*c-l*e)*p;l=(n*d-l*g)*p;c=(i*e-m*c)*p;d=(i*g-m*d)*p;a=a-o*h-c*j;b=b-l*h-d*j;k.save();k.transform(o,l,c,d,a,b);k.fill();k.restore()}}function ma(a,b,c,d,e,f,g,h,j,i,l,m,n){var o,p;o=n.width-1;p=n.height-1;g*=o;h*=p;j*=o;i*=p;l*=o;m*=p;c-=a;d-=b;e-=a;f-=b; j-=g;i-=h;l-=g;m-=h;p=1/(j*m-l*i);o=(m*c-i*e)*p;i=(m*d-i*f)*p;c=(j*e-l*c)*p;d=(j*f-l*d)*p;a=a-o*g-c*h;b=b-i*g-d*h;k.save();k.transform(o,i,c,d,a,b);k.clip();k.drawImage(n,0,0);k.restore()}function wa(a,b,c,d){var e=~~(a.r*255),f=~~(a.g*255),a=~~(a.b*255),g=~~(b.r*255),h=~~(b.g*255),b=~~(b.b*255),i=~~(c.r*255),j=~~(c.g*255),c=~~(c.b*255),k=~~(d.r*255),l=~~(d.g*255),d=~~(d.b*255);da[0]=e<0?0:e>255?255:e;da[1]=f<0?0:f>255?255:f;da[2]=a<0?0:a>255?255:a;da[4]=g<0?0:g>255?255:g;da[5]=h<0?0:h>255?255:h; da[6]=b<0?0:b>255?255:b;da[8]=i<0?0:i>255?255:i;da[9]=j<0?0:j>255?255:j;da[10]=c<0?0:c>255?255:c;da[12]=k<0?0:k>255?255:k;da[13]=l<0?0:l>255?255:l;da[14]=d<0?0:d>255?255:d;ra.putImageData(Aa,0,0);va.drawImage(qa,0,0);return sa}function ka(a,b,c){a=(a-b)/(c-b);return a*a*(3-2*a)}function na(a){a=(a+1)*0.5;return a<0?0:a>1?1:a}function ha(a,b){var c=b.x-a.x,d=b.y-a.y,e=c*c+d*d;e!=0&&(e=1/Math.sqrt(e),c*=e,d*=e,b.x+=c,b.y+=d,a.x-=c,a.y-=d)}var xa,Ja,z,ea,ia,oa,ya,T;this.autoClear?this.clear():k.setTransform(1, 0,0,-1,i,n);g.data.vertices=0;g.data.faces=0;e=h.projectScene(a,l,this.sortElements);(za=a.lights.length>0)&&j(a);xa=0;for(Ja=e.length;xa