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f.Polygon(b,e)).noStroke(),f.Utils.applySvgAttributes(a,b)});return _.compact(b)},circle:function(b){var c=parseFloat(b.getAttribute("cx")),d=parseFloat(b.getAttribute("cy")),h=parseFloat(b.getAttribute("r")),k=f.Resolution,e=_.map(_.range(k),function(b){var d=b/k*a;b=h*m(d);d=h*j(d);return new f.Vector(b,d)},this),e=(new f.Polygon(e,!0,!0)).noStroke();e.translation.set(c,d);return f.Utils.applySvgAttributes(b,e)},ellipse:function(b){var c= +parseFloat(b.getAttribute("cx")),d=parseFloat(b.getAttribute("cy")),h=parseFloat(b.getAttribute("rx")),k=parseFloat(b.getAttribute("ry")),e=f.Resolution,q=_.map(_.range(e),function(b){var d=b/e*a;b=h*m(d);d=k*j(d);return new f.Vector(b,d)},this),q=(new f.Polygon(q,!0,!0)).noStroke();q.translation.set(c,d);return f.Utils.applySvgAttributes(b,q)},rect:function(a){var b=parseFloat(a.getAttribute("x")),d=parseFloat(a.getAttribute("y")),c=parseFloat(a.getAttribute("width")),h=parseFloat(a.getAttribute("height")), +c=c/2,h=h/2,k=[new f.Vector(c,h),new f.Vector(-c,h),new f.Vector(-c,-h),new f.Vector(c,-h)],k=(new f.Polygon(k,!0)).noStroke();k.translation.set(b+c,d+h);return f.Utils.applySvgAttributes(a,k)},line:function(a){var b=parseFloat(a.getAttribute("x1")),d=parseFloat(a.getAttribute("y1")),c=parseFloat(a.getAttribute("x2")),h=parseFloat(a.getAttribute("y2")),c=(c-b)/2,h=(h-d)/2,k=[new f.Vector(-c,-h),new f.Vector(c,h)],k=(new f.Polygon(k)).noFill();k.translation.set(b+c,d+h);return f.Utils.applySvgAttributes(a, +k)}},subdivide:function(b,k,d,e,m,q,j,s,l){var r=f.Utils.Curve.CollinearityEpsilon,B=f.Utils.Curve.RecursionLimit,u=f.Utils.Curve.CuspLimit,w=f.Utils.Curve.Tolerance,p;l=l||0;if(l>B)return[];var B=(b+d)/2,y=(k+e)/2,G=(d+m)/2,g=(e+q)/2,O=(m+j)/2,P=(q+s)/2,Q=(B+G)/2,R=(y+g)/2,G=(G+O)/2,g=(g+P)/2,E=(Q+G)/2,F=(R+g)/2;p=j-b;var A=s-k,H=h((d-j)*A-(e-s)*p),I=h((m-j)*A-(q-s)*p);if(0r&&I>r&&(H+I)*(H+I)<=w.distance*(p*p+A*A)){if(w.angle=x&&(r=a-r);p>=x&&(p=a-p);if(r+pu)return[new f.Vector(d,e)];if(p>u)return[new f.Vector(m,q)]}}}else if(H>r)if(H*H<=w.distance*(p*p+A*A)){if(w.angle=x&&(r=a-r);if(ru)return[new f.Vector(d,e)]}else if(I>r){if(I*I<=w.distance*(p*p+A*A)){if(w.angle=x&&(r=a-r);if(ru)return[new f.Vector2(m,q)]}}else if(p=E-(b+j)/2,A=F-(k+s)/2,p*p+A*A<=w.distance)return[new f.Vector(E,F)];return f.Utils.subdivide(b,k,B,y,Q,R,E,F,l+1).concat(f.Utils.subdivide(E,F,G,g,O,P,j,s,l+1))},getCurveFromPoints:function(a,b){for(var d=[],f=a.length,c=f-1,h=0;ha||1E-4>d)return b.u={x:b.x,y:b.y},b.v={x:b.x,y:b.y},b;a*=0.33;d*=0.33;h=c=c)return d?new f.Vector:a.clone();b=w(a,b);return new f.Vector(c*Math.cos(b)+(d?0:a.x),c*Math.sin(b)+(d? +0:a.y))},angleBetween:function(a,b){return c(a.y-b.y,a.x-b.x)},distanceBetweenSquared:function(a,b){var d=a.x-b.x,f=a.y-b.y;return d*d+f*f},distanceBetween:function(a,f){return b(B(a,f))},mod:function(a,b){for(;0>a;)a+=b;return a%b},Collection:function(){Array.call(this);1this.distanceTo(e)},lerp:function(e,j){return this.set((e.x-this.x)* +j+this.x,(e.y-this.y)*j+this.y)},isZero:function(){return 1E-4>this.length()}});var l={set:function(e,j){this._x=e;this._y=j;return this.trigger(Two.Events.change)},copy:function(e){this._x=e.x;this._y=e.y;return this.trigger(Two.Events.change)},clear:function(){this._y=this._x=0;return this.trigger(Two.Events.change)},clone:function(){return new p(this._x,this._y)},add:function(e,j){this._x=e.x+j.x;this._y=e.y+j.y;return this.trigger(Two.Events.change)},addSelf:function(e){this._x+=e.x;this._y+= +e.y;return this.trigger(Two.Events.change)},sub:function(e,j){this._x=e.x-j.x;this._y=e.y-j.y;return this.trigger(Two.Events.change)},subSelf:function(e){this._x-=e.x;this._y-=e.y;return this.trigger(Two.Events.change)},multiplySelf:function(e){this._x*=e.x;this._y*=e.y;return this.trigger(Two.Events.change)},multiplyScalar:function(e){this._x*=e;this._y*=e;return this.trigger(Two.Events.change)},divideScalar:function(e){return e?(this._x/=e,this._y/=e,this.trigger(Two.Events.change)):this.clear()}, +negate:function(){return this.multiplyScalar(-1)},dot:function(e){return this._x*e.x+this._y*e.y},lengthSquared:function(){return this._x*this._x+this._y*this._y},length:function(){return Math.sqrt(this.lengthSquared())},normalize:function(){return this.divideScalar(this.length())},distanceTo:function(e){return Math.sqrt(this.distanceToSquared(e))},distanceToSquared:function(e){var j=this._x-e.x;e=this._y-e.y;return j*j+e*e},setLength:function(e){return this.normalize().multiplyScalar(e)},equals:function(e){return 1E-4> +this.distanceTo(e)},lerp:function(e,j){return this.set((e.x-this._x)*j+this._x,(e.y-this._y)*j+this._y)},isZero:function(){return 1E-4>this.length()}};Two.Vector.prototype.bind=Two.Vector.prototype.on=function(){this._bound||(Two.Vector.MakeGetterSetter(this,"x",this.x),Two.Vector.MakeGetterSetter(this,"y",this.y),_.extend(this,l),this._bound=!0);Backbone.Events.bind.apply(this,arguments);return this}})();(function(){_.range(6);var p=Math.cos,l=Math.sin,e=Math.tan,j=Two.Matrix=function(e,c,b,h,j,a){this.elements=new Two.Array(9);var k=e;_.isArray(k)||(k=_.toArray(arguments));this.identity().set(k)};_.extend(j,{Identity:[1,0,0,0,1,0,0,0,1],Multiply:function(e,c){if(3>=c.length){var b=c[0]||0,h=c[1]||0,j=c[2]||0;return{x:e[0]*b+e[1]*h+e[2]*j,y:e[3]*b+e[4]*h+e[5]*j,z:e[6]*b+e[7]*h+e[8]*j}}var b=e[0],h=e[1],j=e[2],a=e[3],k=e[4],q=e[5],s=e[6],f=e[7],r=e[8],l=c[0],p=c[1],u=c[2],y=c[3],n=c[4],t=c[5],d=c[6], +v=c[7],z=c[8];return[b*l+h*y+j*d,b*p+h*n+j*v,b*u+h*t+j*z,a*l+k*y+q*d,a*p+k*n+q*v,a*u+k*t+q*z,s*l+f*y+r*d,s*p+f*n+r*v,s*u+f*t+r*z]}});_.extend(j.prototype,Backbone.Events,{set:function(e,c,b,h,j,a){var k=e;_.isArray(k)||(k=_.toArray(arguments));_.each(k,function(a,b){_.isNumber(a)&&(this.elements[b]=a)},this);return this.trigger(Two.Events.change)},identity:function(){this.set(j.Identity);return this},multiply:function(e,c,b,h,j,a,k,q,s){var f=arguments,r=f.length;if(1>=r)return _.each(this.elements, +function(a,b){this.elements[b]=a*e},this),this.trigger(Two.Events.change);if(3>=r)return e=e||0,c=c||0,b=b||0,j=this.elements,{x:j[0]*e+j[1]*c+j[2]*b,y:j[3]*e+j[4]*c+j[5]*b,z:j[6]*e+j[7]*c+j[8]*b};r=this.elements;A0=r[0];A1=r[1];A2=r[2];A3=r[3];A4=r[4];A5=r[5];A6=r[6];A7=r[7];A8=r[8];B0=f[0];B1=f[1];B2=f[2];B3=f[3];B4=f[4];B5=f[5];B6=f[6];B7=f[7];B8=f[8];this.elements[0]=A0*B0+A1*B3+A2*B6;this.elements[1]=A0*B1+A1*B4+A2*B7;this.elements[2]=A0*B2+A1*B5+A2*B8;this.elements[3]=A3*B0+A4*B3+A5*B6;this.elements[4]= +A3*B1+A4*B4+A5*B7;this.elements[5]=A3*B2+A4*B5+A5*B8;this.elements[6]=A6*B0+A7*B3+A8*B6;this.elements[7]=A6*B1+A7*B4+A8*B7;this.elements[8]=A6*B2+A7*B5+A8*B8;return this.trigger(Two.Events.change)},inverse:function(e){var c=this.elements;e=e||new Two.Matrix;var b=c[0],h=c[1],j=c[2],a=c[3],k=c[4],q=c[5],s=c[6],f=c[7],c=c[8],r=c*k-q*f,l=-c*a+q*s,p=f*a-k*s,u=b*r+h*l+j*p;if(!u)return null;u=1/u;e.elements[0]=r*u;e.elements[1]=(-c*h+j*f)*u;e.elements[2]=(q*h-j*k)*u;e.elements[3]=l*u;e.elements[4]=(c*b- +j*s)*u;e.elements[5]=(-q*b+j*a)*u;e.elements[6]=p*u;e.elements[7]=(-f*b+h*s)*u;e.elements[8]=(k*b-h*a)*u;return e},scale:function(e,c){1>=arguments.length&&(c=e);return this.multiply(e,0,0,0,c,0,0,0,1)},rotate:function(e){var c=p(e);e=l(e);return this.multiply(c,-e,0,e,c,0,0,0,1)},translate:function(e,c){return this.multiply(1,0,e,0,1,c,0,0,1)},skewX:function(j){j=e(j);return this.multiply(1,j,0,0,1,0,0,0,1)},skewY:function(j){j=e(j);return this.multiply(1,0,0,j,1,0,0,0,1)},toString:function(){return this.toArray().join(" ")}, +toArray:function(e){var c=this.elements,b=parseFloat(c[0].toFixed(3)),h=parseFloat(c[1].toFixed(3)),j=parseFloat(c[2].toFixed(3)),a=parseFloat(c[3].toFixed(3)),k=parseFloat(c[4].toFixed(3)),q=parseFloat(c[5].toFixed(3));if(e){e=parseFloat(c[6].toFixed(3));var s=parseFloat(c[7].toFixed(3)),c=parseFloat(c[8].toFixed(3));return[b,a,e,h,k,s,j,q,c]}return[b,a,h,k,j,q]},clone:function(){return new Two.Matrix(this.elements[0],this.elements[1],this.elements[2],this.elements[3],this.elements[4],this.elements[5], +this.elements[6],this.elements[7],this.elements[8])}})})();(function(){function p(c){var b={},e=c.id,l=c.translation,a=c.rotation,k=c.scale,q=c.stroke,s=c.linewidth,f=c.fill,r=c.opacity,p=c.visible,w=c.cap,u=c.join,y=c.miter,n=c.curved,t=c.closed,d=c.vertices;e&&(b.id=m.Identifier+e);l&&(_.isNumber(k)&&_.isNumber(a))&&(b.transform="matrix("+c._matrix.toString()+")");q&&(b.stroke=q);f&&(b.fill=f);r&&(b["stroke-opacity"]=b["fill-opacity"]=r);b.visibility=p?"visible":"hidden";w&&(b["stroke-linecap"]=w);u&&(b["stroke-linejoin"]=u);y&&(b["stroke-miterlimit"]= +y);s&&(b["stroke-width"]=s);d&&(b.d=j.toString(d,t,n));return b}var l=Two.Utils.getCurveFromPoints,e=Two.Utils.mod,j={version:1.1,ns:"http://www.w3.org/2000/svg",xlink:"http://www.w3.org/1999/xlink",createElement:function(c,b){var e=document.createElementNS(this.ns,c);"svg"===c&&(b=_.defaults(b||{},{version:this.version}));_.isObject(b)&&this.setAttributes(e,b);return e},setAttributes:function(c,b){_.each(b,function(b,c){this.setAttribute(c,b)},c);return this},removeAttributes:function(c,b){_.each(b, +function(b){this.removeAttribute(b)},c);return this},toString:function(c,b,h){var j=c.length,a=j-1;if(!h)return _.map(c,function(c,e){var f;f=(0>=e?"M":"L")+(" "+c.x.toFixed(3)+" "+c.y.toFixed(3));e>=a&&b&&(f+=" Z");return f}).join(" ");var k=l(c,b);return _.map(k,function(c,h){var f,m=b?e(h-1,j):Math.max(h-1,0),l=b?e(h+1,j):Math.min(h+1,a);f=k[m];var l=k[l],m=f.v.x.toFixed(3),p=f.v.y.toFixed(3),u=c.u.x.toFixed(3),y=c.u.y.toFixed(3),n=c.x.toFixed(3),t=c.y.toFixed(3);f=0>=h?"M "+n+" "+t:"C "+m+" "+ +p+" "+u+" "+y+" "+n+" "+t;h>=a&&b&&(m=c.v.x.toFixed(3),p=c.v.y.toFixed(3),u=l.u.x.toFixed(3),y=l.u.y.toFixed(3),n=l.x.toFixed(3),t=l.y.toFixed(3),f=f+(" C "+m+" "+p+" "+u+" "+y+" "+n+" "+t)+" Z");return f}).join(" ")}},m=Two[Two.Types.svg]=function(){this.count=0;this.domElement=j.createElement("svg");this.elements=[];this.domElement.style.visibility="hidden";this.unveil=_.once(_.bind(function(){this.domElement.style.visibility="visible"},this))};_.extend(m,{Identifier:"two-",Utils:j});_.extend(m.prototype, +Backbone.Events,{setSize:function(c,b){this.width=c;this.height=b;j.setAttributes(this.domElement,{width:c,height:b});return this},add:function(c){var b=c,e=this.elements,m=this.domElement;_.isArray(c)||(b=_.map(arguments,function(a){return a}));_.each(b,function(a){var b;b=a instanceof Two.Group;if(_.isUndefined(a.id)){var c=this.count;this.count++;a.id=c}b?(b="g",_.isUndefined(a.parent)&&(a.parent=this,a.unbind(Two.Events.change).bind(Two.Events.change,_.bind(this.update,this))),a=p(a),delete a.stroke, +delete a.fill,delete a["fill-opacity"],delete a["stroke-opacity"],delete a["stroke-linecap"],delete a["stroke-linejoin"],delete a["stroke-miterlimit"],delete a["stroke-width"]):(b="path",a=p(a));a=j.createElement(b,a);m.appendChild(a);e.push(a)},this);return this},update:function(c,b,e,m,a){var k=this.elements,q=k[c];switch(b){case Two.Properties.hierarchy:_.each(e,function(a){q.appendChild(k[a])});break;case Two.Properties.demotion:_.each(e,function(a){q.removeChild(k[a])});break;default:a:{c=b; +switch(c){case "matrix":c="transform";e="matrix("+e.toString()+")";break;case "visible":c="visibility";e=e?"visible":"hidden";break;case "cap":c="stroke-linecap";break;case "join":c="stroke-linejoin";break;case "miter":c="stroke-miterlimit";break;case "linewidth":c="stroke-width";break;case "vertices":c="d";e=j.toString(e,m,a);break;case "opacity":j.setAttributes(q,{"stroke-opacity":e,"fill-opacity":e});break a}q.setAttribute(c,e)}}return this},render:function(){this.unveil();return this}})})();(function(){var p=Two.Utils.getCurveFromPoints,l=Two.Utils.mod,e=function(b){_.each(b,function(b,c){this[c]=b},this);this.children=[]};_.extend(e.prototype,{appendChild:function(b){var c=b.parent;_.isUndefined(c)||c.removeChild(b);this.children.push(b);b.parent=this;return this},removeChild:function(b){b=_.indexOf(this.children,b);return 0>b?this:this.children.splice(b,1)[0]},render:function(b){var c=this.matrix;b.save();b.transform(c[0],c[1],c[2],c[3],c[4],c[5]);_.each(this.children,function(c){c.render(b)}); +b.restore();return this}});var j=function(b){_.each(b,function(b,c){this[c]=b},this)};_.extend(j.prototype,{render:function(b){var c=this.matrix,e=this.stroke,a=this.linewidth,k=this.fill,j=this.opacity,m=this.cap,f=this.join,r=this.miter,p=this.curved,w=this.closed,u=this.commands,y=u.length,n=y-1;if(!this.visible)return this;b.save();c&&b.transform(c[0],c[1],c[2],c[3],c[4],c[5]);k&&(b.fillStyle=k);e&&(b.strokeStyle=e);a&&(b.lineWidth=a);r&&(b.miterLimit=r);f&&(b.lineJoin=f);m&&(b.lineCap=m);_.isNumber(j)&& +(b.globalAlpha=j);b.beginPath();_.each(u,function(a,d){var f=a.x.toFixed(3),c=a.y.toFixed(3);if(p){var e=w?l(d-1,y):Math.max(d-1,0),h=w?l(d+1,y):Math.min(d+1,n),k=u[e],h=u[h],e=k.v.x.toFixed(3),k=k.v.y.toFixed(3),j=a.u.x.toFixed(3),q=a.u.y.toFixed(3);0>=d?b.moveTo(f,c):(b.bezierCurveTo(e,k,j,q,f,c),d>=n&&w&&(e=a.v.x.toFixed(3),k=a.v.y.toFixed(3),j=h.u.x.toFixed(3),q=h.u.y.toFixed(3),f=h.x.toFixed(3),c=h.y.toFixed(3),b.bezierCurveTo(e,k,j,q,f,c)))}else 0>=d?b.moveTo(f,c):b.lineTo(f,c)});w&&!p&&b.closePath(); +b.fill();b.stroke();b.restore()}});var m={devicePixelRatio:this.devicePixelRatio||1,getBackingStoreRatio:function(b){return b.webkitBackingStorePixelRatio||b.mozBackingStorePixelRatio||b.msBackingStorePixelRatio||b.oBackingStorePixelRatio||b.backingStorePixelRatio||1},getRatio:function(b){return this.devicePixelRatio/this.getBackingStoreRatio(b)},toArray:function(b,c,e){return!c?_.map(b,function(a){return{x:a.x,y:a.y}}):p(b,e)}},c=Two[Two.Types.canvas]=function(){this.count=0;this.domElement=document.createElement("canvas"); +this.ctx=this.domElement.getContext("2d");this.overdraw=!1;this.elements=[];this.stage=null};_.extend(c,{Group:e,Element:j,getStyles:function(b){var c={},e=b.id,a=b._matrix,k=b.stroke,j=b.linewidth,s=b.fill,f=b.opacity,l=b.visible,p=b.cap,w=b.join,u=b.miter,y=b.curved,n=b.closed;b=b.vertices;e&&(c.id=e);_.isObject(a)&&(c.matrix=a.toArray());k&&(c.stroke=k);s&&(c.fill=s);_.isNumber(f)&&(c.opacity=f);p&&(c.cap=p);w&&(c.join=w);u&&(c.miter=u);j&&(c.linewidth=j);b&&(c.commands=m.toArray(b,y,n));c.visible= +!!l;c.curved=!!y;c.closed=!!n;return c},setStyles:function(b,c,e,a,k){switch(c){case "matrix":c="matrix";e=e.toArray();break;case "vertices":c="commands",b.curved=k,b.closed=a,e=m.toArray(e,b.curved,b.closed)}b[c]=e},Utils:m});_.extend(c.prototype,Backbone.Events,{setSize:function(b,c,e){this.width=b;this.height=c;this.ratio=_.isUndefined(e)?m.getRatio(this.ctx):e;this.domElement.width=b*this.ratio;this.domElement.height=c*this.ratio;_.extend(this.domElement.style,{width:b+"px",height:c+"px"});return this}, +add:function(b){constructor=Object.getPrototypeOf(this).constructor;var c=b,e=this.elements,a=constructor.Group,k=constructor.Element,j=constructor.getStyles;_.isArray(b)||(c=_.map(arguments,function(a){return a}));_.each(c,function(b){var c;c=b instanceof Two.Group;var h=_.isNull(this.stage);if(_.isUndefined(b.id)){var m=this.count;this.count++;b.id=m}c?(c=j.call(this,b),delete c.stroke,delete c.fill,delete c.opacity,delete c.cap,delete c.join,delete c.miter,delete c.linewidth,c=new a(c),h&&(this.stage= +c,this.stage.object=b,b.parent=this,b.unbind(Two.Events.change).bind(Two.Events.change,_.bind(this.update,this)))):c=new k(j.call(this,b));e.push(c);h||this.stage.appendChild(c)},this);return this},update:function(b,c,e,a,k,j){var m=Object.getPrototypeOf(this).constructor,f=this.elements,l=f[b];switch(c){case Two.Properties.hierarchy:_.each(e,function(a){l.appendChild(f[a])});break;case Two.Properties.demotion:_.each(e,function(a){l.removeChild(f[a]);this.elements[a]=null},this);break;default:m.setStyles.call(this, +l,c,e,a,k,j)}return this},render:function(){if(_.isNull(this.stage))return this;1!==this.ratio&&(this.ctx.save(),this.ctx.scale(this.ratio,this.ratio));this.overdraw||this.ctx.clearRect(0,0,this.width,this.height);this.stage.render(this.ctx);1!==this.ratio&&this.ctx.restore();return this}})})();(function(){function p(a,b){var c=Math.min(a.top,b.top),e=Math.min(a.left,b.left),f=Math.max(a.right,b.right),h=Math.max(a.bottom,b.bottom);return{top:c,left:e,right:f,bottom:h,width:f-e,height:h-c,centroid:{x:-e,y:-c}}}var l=Two[Two.Types.canvas],e=Two.Matrix.Multiply,j=Two[Two.Types.canvas].Utils.toArray,m=Two.Utils.mod,c=function(a){l.Group.call(this,a)};_.extend(c.prototype,l.Group.prototype,{appendChild:function(){l.Group.prototype.appendChild.apply(this,arguments);this.updateMatrix();return this}, +updateTexture:function(a){_.each(this.children,function(b){b.updateTexture(a)});return this},updateMatrix:function(a){var b=a&&a._matrix||this.parent&&this.parent._matrix;a=a&&a._scale||this.parent&&this.parent._scale;if(!b)return this;this._matrix=e(this.matrix,b);this._scale=this.scale*a;_.each(this.children,function(a){a.updateMatrix(this)},this);return this},render:function(a,b){_.each(this.children,function(c){c.render(a,b)})}});var b=function(a){l.Element.call(this,a)};_.extend(b.prototype, +l.Element.prototype,{updateMatrix:function(a){var b=a&&a._matrix||this.parent&&this.parent._matrix;a=a&&a._scale||this.parent&&this.parent._scale;if(!b)return this;this._matrix=e(this.matrix,b);this._scale=this.scale*a;return this},updateTexture:function(a){h.updateTexture(a,this);return this},render:function(a,b){if(!this.visible||!this.opacity||!this.buffer)return this;a.bindBuffer(a.ARRAY_BUFFER,this.textureCoordsBuffer);a.vertexAttribPointer(b.textureCoords,2,a.FLOAT,!1,0,0);a.bindTexture(a.TEXTURE_2D, +this.texture);a.uniformMatrix3fv(b.matrix,!1,this._matrix);a.bindBuffer(a.ARRAY_BUFFER,this.buffer);a.vertexAttribPointer(b.position,2,a.FLOAT,!1,0,0);a.drawArrays(a.TRIANGLES,0,6);return this}});var h={canvas:document.createElement("canvas"),uv:new Two.Array([0,0,1,0,0,1,0,1,1,0,1,1]),getBoundingClientRect:function(a,b,c){var e=Infinity,f=-Infinity,h=Infinity,j=-Infinity;_.each(a,function(a){var b=a.x,k=a.y,m;h=Math.min(k,h);e=Math.min(b,e);f=Math.max(b,f);j=Math.max(k,j);c&&(b=a.u.x,k=a.u.y,m=a.v.x, +a=a.v.y,h=Math.min(k,a,h),e=Math.min(b,m,e),f=Math.max(b,m,f),j=Math.max(k,a,j))});_.isNumber(b)&&(h-=b,e-=b,f+=b,j+=b);return{top:h,left:e,right:f,bottom:j,width:f-e,height:j-h,centroid:{x:-e,y:-h}}},getTriangles:function(a){var b=a.top,c=a.left,e=a.right;a=a.bottom;return new Two.Array([c,b,e,b,c,a,c,a,e,b,e,a])},updateCanvas:function(a){var b=a.commands,c=this.canvas,e=this.ctx,f=a._scale,h=a.stroke,j=a.linewidth*f,l=a.fill,p=a.opacity,x=a.cap,n=a.join,t=a.miter,d=a.curved,v=a.closed,z=b.length, +J=z-1;c.width=Math.max(Math.ceil(a.rect.width*f),1);c.height=Math.max(Math.ceil(a.rect.height*f),1);a=a.rect.centroid;var C=a.x*f,D=a.y*f;e.clearRect(0,0,c.width,c.height);l&&(e.fillStyle=l);h&&(e.strokeStyle=h);j&&(e.lineWidth=j);t&&(e.miterLimit=t);n&&(e.lineJoin=n);x&&(e.lineCap=x);_.isNumber(p)&&(e.globalAlpha=p);e.beginPath();_.each(b,function(a,c){var h=(a.x*f+C).toFixed(3),j=(a.y*f+D).toFixed(3);if(d){var l=v?m(c-1,z):Math.max(c-1,0),q=v?m(c+1,z):Math.min(c+1,J),n=b[l],q=b[q],l=(n.v.x*f+C).toFixed(3), +n=(n.v.y*f+D).toFixed(3),p=(a.u.x*f+C).toFixed(3),g=(a.u.y*f+D).toFixed(3);0>=c?e.moveTo(h,j):(e.bezierCurveTo(l,n,p,g,h,j),c>=J&&v&&(l=(a.v.x*f+C).toFixed(3),n=(a.v.y*f+D).toFixed(3),p=(q.u.x*f+C).toFixed(3),g=(q.u.y*f+D).toFixed(3),h=(q.x*f+C).toFixed(3),j=(q.y*f+D).toFixed(3),e.bezierCurveTo(l,n,p,g,h,j)))}else 0>=c?e.moveTo(h,j):e.lineTo(h,j)});v&&!d&&e.closePath();e.fill();e.stroke()},updateTexture:function(a,b){this.updateCanvas(b);b.texture&&a.deleteTexture(b.texture);a.bindBuffer(a.ARRAY_BUFFER, +b.textureCoordsBuffer);b.texture=a.createTexture();a.bindTexture(a.TEXTURE_2D,b.texture);a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_S,a.CLAMP_TO_EDGE);a.texParameteri(a.TEXTURE_2D,a.TEXTURE_WRAP_T,a.CLAMP_TO_EDGE);a.texParameteri(a.TEXTURE_2D,a.TEXTURE_MIN_FILTER,a.LINEAR);0>=this.canvas.width||0>=this.canvas.height||a.texImage2D(a.TEXTURE_2D,0,a.RGBA,a.RGBA,a.UNSIGNED_BYTE,this.canvas)},updateBuffer:function(a,b,c){_.isObject(b.buffer)&&a.deleteBuffer(b.buffer);b.buffer=a.createBuffer();a.bindBuffer(a.ARRAY_BUFFER, +b.buffer);a.enableVertexAttribArray(c.position);a.bufferData(a.ARRAY_BUFFER,b.triangles,a.STATIC_DRAW);_.isObject(b.textureCoordsBuffer)&&a.deleteBuffer(b.textureCoordsBuffer);b.textureCoordsBuffer=a.createBuffer();a.bindBuffer(a.ARRAY_BUFFER,b.textureCoordsBuffer);a.enableVertexAttribArray(c.textureCoords);a.bufferData(a.ARRAY_BUFFER,this.uv,a.STATIC_DRAW)},program:{create:function(a,b){var c=a.createProgram();_.each(b,function(b){a.attachShader(c,b)});a.linkProgram(c);if(!a.getProgramParameter(c, +a.LINK_STATUS))throw error=a.getProgramInfoLog(c),a.deleteProgram(c),new Two.Utils.Error("unable to link program: "+error);return c}},shaders:{create:function(a,b,c){c=a.createShader(a[c]);a.shaderSource(c,b);a.compileShader(c);if(!a.getShaderParameter(c,a.COMPILE_STATUS))throw b=a.getShaderInfoLog(c),a.deleteShader(c),new Two.Utils.Error("unable to compile shader "+c+": "+b);return c},types:{vertex:"VERTEX_SHADER",fragment:"FRAGMENT_SHADER"},vertex:"attribute vec2 a_position;\nattribute vec2 a_textureCoords;\n\nuniform mat3 u_matrix;\nuniform vec2 u_resolution;\n\nvarying vec2 v_textureCoords;\n\nvoid main() {\n vec2 projected = (u_matrix * vec3(a_position, 1)).xy;\n vec2 normal = projected / u_resolution;\n vec2 clipspace = (normal * 2.0) - 1.0;\n\n gl_Position = vec4(clipspace * vec2(1.0, -1.0), 0.0, 1.0);\n v_textureCoords = a_textureCoords;\n}", +fragment:"precision mediump float;\n\nuniform sampler2D u_image;\nvarying vec2 v_textureCoords;\n\nvoid main() {\n gl_FragColor = texture2D(u_image, v_textureCoords);\n}"}};h.ctx=h.canvas.getContext("2d");var x=Two[Two.Types.webgl]=function(a){this.count=0;this.domElement=document.createElement("canvas");this.elements=[];this.stage=null;a=_.defaults(a||{},{antialias:!1,alpha:!0,premultipliedAlpha:!0,stencil:!0,preserveDrawingBuffer:!1});a=this.ctx=this.domElement.getContext("webgl",a)||this.domElement.getContext("experimental-webgl", +a);if(!this.ctx)throw new Two.Utils.Error("unable to create a webgl context. Try using another renderer.");var b=h.shaders.create(a,h.shaders.vertex,h.shaders.types.vertex),c=h.shaders.create(a,h.shaders.fragment,h.shaders.types.fragment);this.program=h.program.create(a,[b,c]);a.useProgram(this.program);this.program.position=a.getAttribLocation(this.program,"a_position");this.program.matrix=a.getUniformLocation(this.program,"u_matrix");this.program.textureCoords=a.getAttribLocation(this.program,"a_textureCoords"); +a.disable(a.DEPTH_TEST);a.enable(a.BLEND);a.blendEquationSeparate(a.FUNC_ADD,a.FUNC_ADD);a.blendFuncSeparate(a.SRC_ALPHA,a.ONE_MINUS_SRC_ALPHA,a.ONE,a.ONE_MINUS_SRC_ALPHA)};_.extend(x,{Group:c,Element:b,getStyles:function(a){var c={},e=a.id,m=a._matrix,f=a.stroke,l=a.linewidth,p=a.fill,x=a.opacity,u=a.visible,y=a.cap,n=a.join,t=a.miter,d=a.curved,v=a.closed,z=a.vertices;e&&(c.id=e);_.isObject(m)&&(c.matrix=c._matrix=m.toArray(!0),c.scale=c._scale=1);f&&(c.stroke=f);p&&(c.fill=p);_.isNumber(x)&&(c.opacity= +x);y&&(c.cap=y);n&&(c.join=n);t&&(c.miter=t);l&&(c.linewidth=l);z&&(c.vertices=j(z,d,v),c.commands=c.vertices,c.rect=h.getBoundingClientRect(c.commands,c.linewidth,c.curved),c.triangles=h.getTriangles(c.rect));c.visible=!!u;c.curved=!!d;c.closed=!!v;a instanceof Two.Polygon&&(h.updateBuffer(this.ctx,c,this.program),b.prototype.updateTexture.call(c,this.ctx));return c},setStyles:function(a,b,c,e,f,m){var l=!1;/matrix/.test(b)?(a[b]=c.toArray(!0),_.isNumber(e)&&(l=a.scale!==e,a.scale=e),a.updateMatrix()): +/(stroke|fill|opacity|cap|join|miter|linewidth)/.test(b)?(a[b]=c,a.rect=p(h.getBoundingClientRect(a.commands,a.linewidth,a.curved),a.rect),a.triangles=h.getTriangles(a.rect),h.updateBuffer(this.ctx,a,this.program),l=!0):"vertices"===b?(_.isUndefined(e)||(a.closed=e),_.isUndefined(f)||(a.curved=f),m?a.commands=j(c,a.curved,a.closed):(a.vertices=j(c,a.curved,a.closed),a.commands=a.vertices),a.rect=p(h.getBoundingClientRect(a.vertices,a.linewidth,a.curved),a.rect),a.triangles=h.getTriangles(a.rect), +h.updateBuffer(this.ctx,a,this.program),l=!0):a[b]=c;l&&a.updateTexture(this.ctx)}});_.extend(x.prototype,Backbone.Events,l.prototype,{setSize:function(a,b){l.prototype.setSize.apply(this,arguments);this.ratio=1;this.domElement.width=a;this.domElement.height=b;this.ctx.viewport(0,0,a,b);var c=this.ctx.getUniformLocation(this.program,"u_resolution");this.ctx.uniform2f(c,a,b);return this},render:function(){if(_.isNull(this.stage))return this;this.stage.render(this.ctx,this.program);return this}})})();(function(){var p=Two.Shape=function(l){this._matrix=new Two.Matrix;var e=_.debounce(_.bind(function(){var e=this._matrix.identity().translate(this.translation.x,this.translation.y).scale(this.scale).rotate(this.rotation);this.trigger(Two.Events.change,this.id,"matrix",e,this.scale)},this),0);this._rotation=0;Object.defineProperty(this,"rotation",{get:function(){return this._rotation},set:function(j){this._rotation=j;e()}});this._scale="scale";Object.defineProperty(this,"scale",{get:function(){return this._scale}, +set:function(j){this._scale=j;e()}});this.translation=new Two.Vector;this.rotation=0;this.scale=1;this.translation.bind(Two.Events.change,e);if(l)return this;p.MakeGetterSetter(this,p.Properties);this.fill="#fff";this.stroke="#000";this.opacity=this.linewidth=1;this.visible=!0;this.join=this.cap="round";this.miter=1};_.extend(p,{Properties:"fill stroke linewidth opacity visible cap join miter".split(" 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this[m]},set:function(c){this[m]=c;_.each(this.children,function(b){b[e]=c})}})})}});_.extend(p.prototype, +Two.Shape.prototype,{clone:function(l){l=l||this.parent;var e=_.map(this.children,function(e){return e.clone(l)}),j=new p;l.add(j);j.add(e);j.translation.copy(this.translation);j.rotation=this.rotation;j.scale=this.scale;return j},corner:function(){var l=this.getBoundingClientRect(!0),e={x:l.left,y:l.top};_.each(this.children,function(j){j.translation.subSelf(e)});return this},center:function(){var l=this.getBoundingClientRect(!0);l.centroid={x:l.left+l.width/2,y:l.top+l.height/2};_.each(this.children, +function(e){e.translation.subSelf(l.centroid)});return this},add:function(l){var e=l,j=this.children,m=this.parent,c=[];_.isArray(l)||(e=_.toArray(arguments));var b=_.bind(function(b,c,a,e,j,m){this.trigger(Two.Events.change,b,c,a,e,j,m)},this);_.each(e,function(e){if(e){var l=e.id,a=e.parent;_.isUndefined(l)&&(m.add(e),l=e.id);_.isUndefined(j[l])&&(a&&delete 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