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leap.min.js
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leap.min.js
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handler=="function"){switch(arguments.length){case 1:handler.call(this);break;case 2:handler.call(this,arguments[1]);break;case 3:handler.call(this,arguments[1],arguments[2]);break;default:var args=Array.prototype.slice.call(arguments,1);handler.apply(this,args)}return true}else if(isArray(handler)){var args=Array.prototype.slice.call(arguments,1);var listeners=handler.slice();for(var i=0,l=listeners.length;i<l;i++){listeners[i].apply(this,args)}return true}else{return false}};EventEmitter.prototype.addListener=function(type,listener){if("function"!==typeof listener){throw new Error("addListener only takes instances of Function")}if(!this._events)this._events={};this.emit("newListener",type,listener);if(!this._events[type]){this._events[type]=listener}else if(isArray(this._events[type])){if(!this._events[type].warned){var m;if(this._events.maxListeners!==undefined){m=this._events.maxListeners}else{m=defaultMaxListeners}if(m&&m>0&&this._events[type].length>m){this._events[type].warned=true;console.error("(node) warning: possible EventEmitter memory "+"leak detected. %d listeners added. "+"Use emitter.setMaxListeners() to increase limit.",this._events[type].length);console.trace()}}this._events[type].push(listener)}else{this._events[type]=[this._events[type],listener]}return this};EventEmitter.prototype.on=EventEmitter.prototype.addListener;EventEmitter.prototype.once=function(type,listener){var self=this;self.on(type,function g(){self.removeListener(type,g);listener.apply(this,arguments)});return this};EventEmitter.prototype.removeListener=function(type,listener){if("function"!==typeof listener){throw new Error("removeListener only takes instances of Function")}if(!this._events||!this._events[type])return this;var list=this._events[type];if(isArray(list)){var i=indexOf(list,listener);if(i<0)return this;list.splice(i,1);if(list.length==0)delete this._events[type]}else if(this._events[type]===listener){delete this._events[type]}return this};EventEmitter.prototype.removeAllListeners=function(type){if(arguments.length===0){this._events={};return this}if(type&&this._events&&this._events[type])this._events[type]=null;return this};EventEmitter.prototype.listeners=function(type){if(!this._events)this._events={};if(!this._events[type])this._events[type]=[];if(!isArray(this._events[type])){this._events[type]=[this._events[type]]}return this._events[type]}}(require("__browserify_process"))},{__browserify_process:7}],4:[function(require,module,exports){!function(){var Controller=require("./controller").Controller,Frame=require("./frame").Frame,Gesture=require("./gesture").Gesture,Hand=require("./hand").Hand,Pointable=require("./pointable").Pointable,Connection=require("./connection").Connection,InteractionBox=require("./interaction_box").InteractionBox,CircularBuffer=require("./circular_buffer").CircularBuffer,UI=require("./ui").UI,glMatrix=require("gl-matrix"),loopController=undefined;exports.Leap={loop:function(opts,callback){if(callback===undefined){callback=opts;opts={}}if(!loopController)loopController=new Controller(opts);loopController.loop(callback)},Controller:Controller,Frame:Frame,Gesture:Gesture,Hand:Hand,Pointable:Pointable,InteractionBox:InteractionBox,Connection:Connection,CircularBuffer:CircularBuffer,UI:UI,glMatrix:glMatrix}}()},{"./circular_buffer":5,"./connection":9,"./controller":10,"./frame":11,"./gesture":12,"./hand":13,"./interaction_box":14,"./pointable":15,"./ui":16,"gl-matrix":17}],9:[function(require,module,exports){var Connection=exports.Connection=require("./base_connection").Connection;Connection.prototype.setupSocket=function(){var connection=this;var socket=new WebSocket(this.getUrl());socket.onopen=function(){connection.handleOpen()};socket.onmessage=function(message){connection.handleData(message.data)};socket.onclose=function(){connection.handleClose()};return socket};Connection.prototype.teardownSocket=function(){this.socket.close()};Connection.prototype.startHeartbeat=function(){if(!this.protocol.sendHeartbeat||this.heartbeatTimer)return;var connection=this;var propertyName=null;if(typeof document.hidden!=="undefined"){propertyName="hidden"}else if(typeof document.mozHidden!=="undefined"){propertyName="mozHidden"}else if(typeof document.msHidden!=="undefined"){propertyName="msHidden"}else if(typeof document.webkitHidden!=="undefined"){propertyName="webkitHidden"}else{propertyName="hidden"}var windowVisible=true;var focusListener=window.addEventListener("focus",function(e){windowVisible=true});var blurListener=window.addEventListener("blur",function(e){windowVisible=false});this.on("disconnect",function(){window.removeEventListener(focusListener);window.removeEventListener(blurListener)});this.heartbeatTimer=setInterval(function(){var isVisible=document[propertyName]===false;if(isVisible&&windowVisible){connection.sendHeartbeat()}else{connection.setHeartbeatState(false)}},this.opts.heartbeatInterval)}},{"./base_connection":18}],16:[function(require,module,exports){exports.UI={Region:require("./ui/region").Region,Cursor:require("./ui/cursor").Cursor}},{"./ui/cursor":19,"./ui/region":20}],17:[function(require,module,exports){!function(){!function(){"use strict";var shim={};if(typeof exports==="undefined"){if(typeof define=="function"&&typeof define.amd=="object"&&define.amd){shim.exports={};define(function(){return shim.exports})}else{shim.exports=window}}else{shim.exports=exports}!function(exports){var vec2={};if(!GLMAT_EPSILON){var GLMAT_EPSILON=1e-6}vec2.create=function(){return new Float32Array(2)};vec2.clone=function(a){var out=new Float32Array(2);out[0]=a[0];out[1]=a[1];return out};vec2.fromValues=function(x,y){var out=new Float32Array(2);out[0]=x;out[1]=y;return out};vec2.copy=function(out,a){out[0]=a[0];out[1]=a[1];return out};vec2.set=function(out,x,y){out[0]=x;out[1]=y;return out};vec2.add=function(out,a,b){out[0]=a[0]+b[0];out[1]=a[1]+b[1];return out};vec2.sub=vec2.subtract=function(out,a,b){out[0]=a[0]-b[0];out[1]=a[1]-b[1];return out};vec2.mul=vec2.multiply=function(out,a,b){out[0]=a[0]*b[0];out[1]=a[1]*b[1];return out};vec2.div=vec2.divide=function(out,a,b){out[0]=a[0]/b[0];out[1]=a[1]/b[1];return out};vec2.min=function(out,a,b){out[0]=Math.min(a[0],b[0]);out[1]=Math.min(a[1],b[1]);return out};vec2.max=function(out,a,b){out[0]=Math.max(a[0],b[0]);out[1]=Math.max(a[1],b[1]);return out};vec2.scale=function(out,a,b){out[0]=a[0]*b;out[1]=a[1]*b;return out};vec2.dist=vec2.distance=function(a,b){var x=b[0]-a[0],y=b[1]-a[1];return Math.sqrt(x*x+y*y)};vec2.sqrDist=vec2.squaredDistance=function(a,b){var x=b[0]-a[0],y=b[1]-a[1];return x*x+y*y};vec2.len=vec2.length=function(a){var x=a[0],y=a[1];return Math.sqrt(x*x+y*y)};vec2.sqrLen=vec2.squaredLength=function(a){var x=a[0],y=a[1];return x*x+y*y};vec2.negate=function(out,a){out[0]=-a[0];out[1]=-a[1];return out};vec2.normalize=function(out,a){var x=a[0],y=a[1];var len=x*x+y*y;if(len>0){len=1/Math.sqrt(len);out[0]=a[0]*len;out[1]=a[1]*len}return out};vec2.dot=function(a,b){return a[0]*b[0]+a[1]*b[1]};vec2.cross=function(out,a,b){var z=a[0]*b[1]-a[1]*b[0];out[0]=out[1]=0;out[2]=z;return out};vec2.lerp=function(out,a,b,t){var ax=a[0],ay=a[1];out[0]=ax+t*(b[0]-ax);out[1]=ay+t*(b[1]-ay);return out};vec2.transformMat2=function(out,a,m){var x=a[0],y=a[1];out[0]=x*m[0]+y*m[1];out[1]=x*m[2]+y*m[3];return out};vec2.forEach=function(){var vec=new Float32Array(2);return function(a,stride,offset,count,fn,arg){var i,l;if(!stride){stride=2}if(!offset){offset=0}if(count){l=Math.min(count*stride+offset,a.length)}else{l=a.length}for(i=offset;i<l;i+=stride){vec[0]=a[i];vec[1]=a[i+1];fn(vec,vec,arg);a[i]=vec[0];a[i+1]=vec[1]}return a}}();vec2.str=function(a){return"vec2("+a[0]+", "+a[1]+")"};if(typeof exports!=="undefined"){exports.vec2=vec2}var vec3={};if(!GLMAT_EPSILON){var GLMAT_EPSILON=1e-6}vec3.create=function(){return new Float32Array(3)};vec3.clone=function(a){var out=new Float32Array(3);out[0]=a[0];out[1]=a[1];out[2]=a[2];return out};vec3.fromValues=function(x,y,z){var out=new Float32Array(3);out[0]=x;out[1]=y;out[2]=z;return out};vec3.copy=function(out,a){out[0]=a[0];out[1]=a[1];out[2]=a[2];return out};vec3.set=function(out,x,y,z){out[0]=x;out[1]=y;out[2]=z;return out};vec3.add=function(out,a,b){out[0]=a[0]+b[0];out[1]=a[1]+b[1];out[2]=a[2]+b[2];return out};vec3.sub=vec3.subtract=function(out,a,b){out[0]=a[0]-b[0];out[1]=a[1]-b[1];out[2]=a[2]-b[2];return out};vec3.mul=vec3.multiply=function(out,a,b){out[0]=a[0]*b[0];out[1]=a[1]*b[1];out[2]=a[2]*b[2];return out};vec3.div=vec3.divide=function(out,a,b){out[0]=a[0]/b[0];out[1]=a[1]/b[1];out[2]=a[2]/b[2];return out};vec3.min=function(out,a,b){out[0]=Math.min(a[0],b[0]);out[1]=Math.min(a[1],b[1]);out[2]=Math.min(a[2],b[2]);return out};vec3.max=function(out,a,b){out[0]=Math.max(a[0],b[0]);out[1]=Math.max(a[1],b[1]);out[2]=Math.max(a[2],b[2]);return out};vec3.scale=function(out,a,b){out[0]=a[0]*b;out[1]=a[1]*b;out[2]=a[2]*b;return out};vec3.dist=vec3.distance=function(a,b){var x=b[0]-a[0],y=b[1]-a[1],z=b[2]-a[2];return Math.sqrt(x*x+y*y+z*z)};vec3.sqrDist=vec3.squaredDistance=function(a,b){var x=b[0]-a[0],y=b[1]-a[1],z=b[2]-a[2];return x*x+y*y+z*z};vec3.len=vec3.length=function(a){var x=a[0],y=a[1],z=a[2];return Math.sqrt(x*x+y*y+z*z)};vec3.sqrLen=vec3.squaredLength=function(a){var x=a[0],y=a[1],z=a[2];return x*x+y*y+z*z};vec3.negate=function(out,a){out[0]=-a[0];out[1]=-a[1];out[2]=-a[2];return out};vec3.normalize=function(out,a){var x=a[0],y=a[1],z=a[2];var len=x*x+y*y+z*z;if(len>0){len=1/Math.sqrt(len);out[0]=a[0]*len;out[1]=a[1]*len;out[2]=a[2]*len}return out};vec3.dot=function(a,b){return a[0]*b[0]+a[1]*b[1]+a[2]*b[2]};vec3.cross=function(out,a,b){var ax=a[0],ay=a[1],az=a[2],bx=b[0],by=b[1],bz=b[2];out[0]=ay*bz-az*by;out[1]=az*bx-ax*bz;out[2]=ax*by-ay*bx;return out};vec3.lerp=function(out,a,b,t){var ax=a[0],ay=a[1],az=a[2];out[0]=ax+t*(b[0]-ax);out[1]=ay+t*(b[1]-ay);out[2]=az+t*(b[2]-az);return out};vec3.transformMat4=function(out,a,m){var x=a[0],y=a[1],z=a[2];out[0]=m[0]*x+m[4]*y+m[8]*z+m[12];out[1]=m[1]*x+m[5]*y+m[9]*z+m[13];out[2]=m[2]*x+m[6]*y+m[10]*z+m[14];return out};vec3.transformQuat=function(out,a,q){var x=a[0],y=a[1],z=a[2],qx=q[0],qy=q[1],qz=q[2],qw=q[3],ix=qw*x+qy*z-qz*y,iy=qw*y+qz*x-qx*z,iz=qw*z+qx*y-qy*x,iw=-qx*x-qy*y-qz*z;out[0]=ix*qw+iw*-qx+iy*-qz-iz*-qy;out[1]=iy*qw+iw*-qy+iz*-qx-ix*-qz;out[2]=iz*qw+iw*-qz+ix*-qy-iy*-qx;return out};vec3.forEach=function(){var vec=new Float32Array(3);return function(a,stride,offset,count,fn,arg){var i,l;if(!stride){stride=3}if(!offset){offset=0}if(count){l=Math.min(count*stride+offset,a.length)}else{l=a.length}for(i=offset;i<l;i+=stride){vec[0]=a[i];vec[1]=a[i+1];vec[2]=a[i+2];fn(vec,vec,arg);a[i]=vec[0];a[i+1]=vec[1];a[i+2]=vec[2]}return a}}();vec3.str=function(a){return"vec3("+a[0]+", "+a[1]+", "+a[2]+")"};if(typeof exports!=="undefined"){exports.vec3=vec3}var vec4={};if(!GLMAT_EPSILON){var GLMAT_EPSILON=1e-6}vec4.create=function(){return new Float32Array(4)};vec4.clone=function(a){var out=new Float32Array(4);out[0]=a[0];out[1]=a[1];out[2]=a[2];out[3]=a[3];return out};vec4.fromValues=function(x,y,z,w){var out=new Float32Array(4);out[0]=x;out[1]=y;out[2]=z;out[3]=w;return out};vec4.copy=function(out,a){out[0]=a[0];out[1]=a[1];out[2]=a[2];out[3]=a[3];return out};vec4.set=function(out,x,y,z,w){out[0]=x;out[1]=y;out[2]=z;out[3]=w;return out};vec4.add=function(out,a,b){out[0]=a[0]+b[0];out[1]=a[1]+b[1];out[2]=a[2]+b[2];out[3]=a[3]+b[3];return out};vec4.sub=vec4.subtract=function(out,a,b){out[0]=a[0]-b[0];out[1]=a[1]-b[1];out[2]=a[2]-b[2];out[3]=a[3]-b[3];return out};vec4.mul=vec4.multiply=function(out,a,b){out[0]=a[0]*b[0];out[1]=a[1]*b[1];out[2]=a[2]*b[2];out[3]=a[3]*b[3];return out};vec4.div=vec4.divide=function(out,a,b){out[0]=a[0]/b[0];out[1]=a[1]/b[1];out[2]=a[2]/b[2];out[3]=a[3]/b[3];return out};vec4.min=function(out,a,b){out[0]=Math.min(a[0],b[0]);out[1]=Math.min(a[1],b[1]);out[2]=Math.min(a[2],b[2]);out[3]=Math.min(a[3],b[3]);return out};vec4.max=function(out,a,b){out[0]=Math.max(a[0],b[0]);out[1]=Math.max(a[1],b[1]);
out[2]=Math.max(a[2],b[2]);out[3]=Math.max(a[3],b[3]);return out};vec4.scale=function(out,a,b){out[0]=a[0]*b;out[1]=a[1]*b;out[2]=a[2]*b;out[3]=a[3]*b;return out};vec4.dist=vec4.distance=function(a,b){var x=b[0]-a[0],y=b[1]-a[1],z=b[2]-a[2],w=b[3]-a[3];return Math.sqrt(x*x+y*y+z*z+w*w)};vec4.sqrDist=vec4.squaredDistance=function(a,b){var x=b[0]-a[0],y=b[1]-a[1],z=b[2]-a[2],w=b[3]-a[3];return x*x+y*y+z*z+w*w};vec4.len=vec4.length=function(a){var x=a[0],y=a[1],z=a[2],w=a[3];return Math.sqrt(x*x+y*y+z*z+w*w)};vec4.sqrLen=vec4.squaredLength=function(a){var x=a[0],y=a[1],z=a[2],w=a[3];return x*x+y*y+z*z+w*w};vec4.negate=function(out,a){out[0]=-a[0];out[1]=-a[1];out[2]=-a[2];out[3]=-a[3];return out};vec4.normalize=function(out,a){var x=a[0],y=a[1],z=a[2],w=a[3];var len=x*x+y*y+z*z+w*w;if(len>0){len=1/Math.sqrt(len);out[0]=a[0]*len;out[1]=a[1]*len;out[2]=a[2]*len;out[3]=a[3]*len}return out};vec4.dot=function(a,b){return a[0]*b[0]+a[1]*b[1]+a[2]*b[2]+a[3]*b[3]};vec4.lerp=function(out,a,b,t){var ax=a[0],ay=a[1],az=a[2],aw=a[3];out[0]=ax+t*(b[0]-ax);out[1]=ay+t*(b[1]-ay);out[2]=az+t*(b[2]-az);out[3]=aw+t*(b[3]-aw);return out};vec4.transformMat4=function(out,a,m){var x=a[0],y=a[1],z=a[2],w=a[3];out[0]=m[0]*x+m[4]*y+m[8]*z+m[12]*w;out[1]=m[1]*x+m[5]*y+m[9]*z+m[13]*w;out[2]=m[2]*x+m[6]*y+m[10]*z+m[14]*w;out[3]=m[3]*x+m[7]*y+m[11]*z+m[15]*w;return out};vec4.transformQuat=function(out,a,q){var x=a[0],y=a[1],z=a[2],qx=q[0],qy=q[1],qz=q[2],qw=q[3],ix=qw*x+qy*z-qz*y,iy=qw*y+qz*x-qx*z,iz=qw*z+qx*y-qy*x,iw=-qx*x-qy*y-qz*z;out[0]=ix*qw+iw*-qx+iy*-qz-iz*-qy;out[1]=iy*qw+iw*-qy+iz*-qx-ix*-qz;out[2]=iz*qw+iw*-qz+ix*-qy-iy*-qx;return out};vec4.forEach=function(){var vec=new Float32Array(4);return function(a,stride,offset,count,fn,arg){var i,l;if(!stride){stride=4}if(!offset){offset=0}if(count){l=Math.min(count*stride+offset,a.length)}else{l=a.length}for(i=offset;i<l;i+=stride){vec[0]=a[i];vec[1]=a[i+1];vec[2]=a[i+2];vec[3]=a[i+3];fn(vec,vec,arg);a[i]=vec[0];a[i+1]=vec[1];a[i+2]=vec[2];a[i+3]=vec[3]}return a}}();vec4.str=function(a){return"vec4("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+")"};if(typeof exports!=="undefined"){exports.vec4=vec4}var mat2={};var mat2Identity=new Float32Array([1,0,0,1]);if(!GLMAT_EPSILON){var GLMAT_EPSILON=1e-6}mat2.create=function(){return new Float32Array(mat2Identity)};mat2.clone=function(a){var out=new Float32Array(4);out[0]=a[0];out[1]=a[1];out[2]=a[2];out[3]=a[3];return out};mat2.copy=function(out,a){out[0]=a[0];out[1]=a[1];out[2]=a[2];out[3]=a[3];return out};mat2.identity=function(out){out[0]=1;out[1]=0;out[2]=0;out[3]=1;return out};mat2.transpose=function(out,a){if(out===a){var a1=a[1];out[1]=a[2];out[2]=a1}else{out[0]=a[0];out[1]=a[2];out[2]=a[1];out[3]=a[3]}return out};mat2.invert=function(out,a){var a0=a[0],a1=a[1],a2=a[2],a3=a[3],det=a0*a3-a2*a1;if(!det){return null}det=1/det;out[0]=a3*det;out[1]=-a1*det;out[2]=-a2*det;out[3]=a0*det;return out};mat2.adjoint=function(out,a){var a0=a[0];out[0]=a[3];out[1]=-a[1];out[2]=-a[2];out[3]=a0;return out};mat2.determinant=function(a){return a[0]*a[3]-a[2]*a[1]};mat2.mul=mat2.multiply=function(out,a,b){var a0=a[0],a1=a[1],a2=a[2],a3=a[3];var b0=b[0],b1=b[1],b2=b[2],b3=b[3];out[0]=a0*b0+a1*b2;out[1]=a0*b1+a1*b3;out[2]=a2*b0+a3*b2;out[3]=a2*b1+a3*b3;return out};mat2.rotate=function(out,a,rad){var a0=a[0],a1=a[1],a2=a[2],a3=a[3],s=Math.sin(rad),c=Math.cos(rad);out[0]=a0*c+a1*s;out[1]=a0*-s+a1*c;out[2]=a2*c+a3*s;out[3]=a2*-s+a3*c;return out};mat2.scale=function(out,a,v){var a0=a[0],a1=a[1],a2=a[2],a3=a[3],v0=v[0],v1=v[1];out[0]=a0*v0;out[1]=a1*v1;out[2]=a2*v0;out[3]=a3*v1;return out};mat2.str=function(a){return"mat2("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+")"};if(typeof exports!=="undefined"){exports.mat2=mat2}var mat3={};var mat3Identity=new Float32Array([1,0,0,0,1,0,0,0,1]);if(!GLMAT_EPSILON){var GLMAT_EPSILON=1e-6}mat3.create=function(){return new Float32Array(mat3Identity)};mat3.clone=function(a){var out=new Float32Array(9);out[0]=a[0];out[1]=a[1];out[2]=a[2];out[3]=a[3];out[4]=a[4];out[5]=a[5];out[6]=a[6];out[7]=a[7];out[8]=a[8];return out};mat3.copy=function(out,a){out[0]=a[0];out[1]=a[1];out[2]=a[2];out[3]=a[3];out[4]=a[4];out[5]=a[5];out[6]=a[6];out[7]=a[7];out[8]=a[8];return out};mat3.identity=function(out){out[0]=1;out[1]=0;out[2]=0;out[3]=0;out[4]=1;out[5]=0;out[6]=0;out[7]=0;out[8]=1;return out};mat3.transpose=function(out,a){if(out===a){var a01=a[1],a02=a[2],a12=a[5];out[1]=a[3];out[2]=a[6];out[3]=a01;out[5]=a[7];out[6]=a02;out[7]=a12}else{out[0]=a[0];out[1]=a[3];out[2]=a[6];out[3]=a[1];out[4]=a[4];out[5]=a[7];out[6]=a[2];out[7]=a[5];out[8]=a[8]}return out};mat3.invert=function(out,a){var a00=a[0],a01=a[1],a02=a[2],a10=a[3],a11=a[4],a12=a[5],a20=a[6],a21=a[7],a22=a[8],b01=a22*a11-a12*a21,b11=-a22*a10+a12*a20,b21=a21*a10-a11*a20,det=a00*b01+a01*b11+a02*b21;if(!det){return null}det=1/det;out[0]=b01*det;out[1]=(-a22*a01+a02*a21)*det;out[2]=(a12*a01-a02*a11)*det;out[3]=b11*det;out[4]=(a22*a00-a02*a20)*det;out[5]=(-a12*a00+a02*a10)*det;out[6]=b21*det;out[7]=(-a21*a00+a01*a20)*det;out[8]=(a11*a00-a01*a10)*det;return out};mat3.adjoint=function(out,a){var a00=a[0],a01=a[1],a02=a[2],a10=a[3],a11=a[4],a12=a[5],a20=a[6],a21=a[7],a22=a[8];out[0]=a11*a22-a12*a21;out[1]=a02*a21-a01*a22;out[2]=a01*a12-a02*a11;out[3]=a12*a20-a10*a22;out[4]=a00*a22-a02*a20;out[5]=a02*a10-a00*a12;out[6]=a10*a21-a11*a20;out[7]=a01*a20-a00*a21;out[8]=a00*a11-a01*a10;return out};mat3.determinant=function(a){var a00=a[0],a01=a[1],a02=a[2],a10=a[3],a11=a[4],a12=a[5],a20=a[6],a21=a[7],a22=a[8];return a00*(a22*a11-a12*a21)+a01*(-a22*a10+a12*a20)+a02*(a21*a10-a11*a20)};mat3.mul=mat3.multiply=function(out,a,b){var a00=a[0],a01=a[1],a02=a[2],a10=a[3],a11=a[4],a12=a[5],a20=a[6],a21=a[7],a22=a[8],b00=b[0],b01=b[1],b02=b[2],b10=b[3],b11=b[4],b12=b[5],b20=b[6],b21=b[7],b22=b[8];out[0]=b00*a00+b01*a10+b02*a20;out[1]=b00*a01+b01*a11+b02*a21;out[2]=b00*a02+b01*a12+b02*a22;out[3]=b10*a00+b11*a10+b12*a20;out[4]=b10*a01+b11*a11+b12*a21;out[5]=b10*a02+b11*a12+b12*a22;out[6]=b20*a00+b21*a10+b22*a20;out[7]=b20*a01+b21*a11+b22*a21;out[8]=b20*a02+b21*a12+b22*a22;return out};mat3.str=function(a){return"mat3("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+", "+a[4]+", "+a[5]+", "+a[6]+", "+a[7]+", "+a[8]+")"};if(typeof exports!=="undefined"){exports.mat3=mat3}var mat4={};var mat4Identity=new Float32Array([1,0,0,0,0,1,0,0,0,0,1,0,0,0,0,1]);if(!GLMAT_EPSILON){var GLMAT_EPSILON=1e-6}mat4.create=function(){return new Float32Array(mat4Identity)};mat4.clone=function(a){var out=new Float32Array(16);out[0]=a[0];out[1]=a[1];out[2]=a[2];out[3]=a[3];out[4]=a[4];out[5]=a[5];out[6]=a[6];out[7]=a[7];out[8]=a[8];out[9]=a[9];out[10]=a[10];out[11]=a[11];out[12]=a[12];out[13]=a[13];out[14]=a[14];out[15]=a[15];return out};mat4.copy=function(out,a){out[0]=a[0];out[1]=a[1];out[2]=a[2];out[3]=a[3];out[4]=a[4];out[5]=a[5];out[6]=a[6];out[7]=a[7];out[8]=a[8];out[9]=a[9];out[10]=a[10];out[11]=a[11];out[12]=a[12];out[13]=a[13];out[14]=a[14];out[15]=a[15];return out};mat4.identity=function(out){out[0]=1;out[1]=0;out[2]=0;out[3]=0;out[4]=0;out[5]=1;out[6]=0;out[7]=0;out[8]=0;out[9]=0;out[10]=1;out[11]=0;out[12]=0;out[13]=0;out[14]=0;out[15]=1;return out};mat4.transpose=function(out,a){if(out===a){var a01=a[1],a02=a[2],a03=a[3],a12=a[6],a13=a[7],a23=a[11];out[1]=a[4];out[2]=a[8];out[3]=a[12];out[4]=a01;out[6]=a[9];out[7]=a[13];out[8]=a02;out[9]=a12;out[11]=a[14];out[12]=a03;out[13]=a13;out[14]=a23}else{out[0]=a[0];out[1]=a[4];out[2]=a[8];out[3]=a[12];out[4]=a[1];out[5]=a[5];out[6]=a[9];out[7]=a[13];out[8]=a[2];out[9]=a[6];out[10]=a[10];out[11]=a[14];out[12]=a[3];out[13]=a[7];out[14]=a[11];out[15]=a[15]}return out};mat4.invert=function(out,a){var a00=a[0],a01=a[1],a02=a[2],a03=a[3],a10=a[4],a11=a[5],a12=a[6],a13=a[7],a20=a[8],a21=a[9],a22=a[10],a23=a[11],a30=a[12],a31=a[13],a32=a[14],a33=a[15],b00=a00*a11-a01*a10,b01=a00*a12-a02*a10,b02=a00*a13-a03*a10,b03=a01*a12-a02*a11,b04=a01*a13-a03*a11,b05=a02*a13-a03*a12,b06=a20*a31-a21*a30,b07=a20*a32-a22*a30,b08=a20*a33-a23*a30,b09=a21*a32-a22*a31,b10=a21*a33-a23*a31,b11=a22*a33-a23*a32,det=b00*b11-b01*b10+b02*b09+b03*b08-b04*b07+b05*b06;if(!det){return null}det=1/det;out[0]=(a11*b11-a12*b10+a13*b09)*det;out[1]=(a02*b10-a01*b11-a03*b09)*det;out[2]=(a31*b05-a32*b04+a33*b03)*det;out[3]=(a22*b04-a21*b05-a23*b03)*det;out[4]=(a12*b08-a10*b11-a13*b07)*det;out[5]=(a00*b11-a02*b08+a03*b07)*det;out[6]=(a32*b02-a30*b05-a33*b01)*det;out[7]=(a20*b05-a22*b02+a23*b01)*det;out[8]=(a10*b10-a11*b08+a13*b06)*det;out[9]=(a01*b08-a00*b10-a03*b06)*det;out[10]=(a30*b04-a31*b02+a33*b00)*det;out[11]=(a21*b02-a20*b04-a23*b00)*det;out[12]=(a11*b07-a10*b09-a12*b06)*det;out[13]=(a00*b09-a01*b07+a02*b06)*det;out[14]=(a31*b01-a30*b03-a32*b00)*det;out[15]=(a20*b03-a21*b01+a22*b00)*det;return out};mat4.adjoint=function(out,a){var a00=a[0],a01=a[1],a02=a[2],a03=a[3],a10=a[4],a11=a[5],a12=a[6],a13=a[7],a20=a[8],a21=a[9],a22=a[10],a23=a[11],a30=a[12],a31=a[13],a32=a[14],a33=a[15];out[0]=a11*(a22*a33-a23*a32)-a21*(a12*a33-a13*a32)+a31*(a12*a23-a13*a22);out[1]=-(a01*(a22*a33-a23*a32)-a21*(a02*a33-a03*a32)+a31*(a02*a23-a03*a22));out[2]=a01*(a12*a33-a13*a32)-a11*(a02*a33-a03*a32)+a31*(a02*a13-a03*a12);out[3]=-(a01*(a12*a23-a13*a22)-a11*(a02*a23-a03*a22)+a21*(a02*a13-a03*a12));out[4]=-(a10*(a22*a33-a23*a32)-a20*(a12*a33-a13*a32)+a30*(a12*a23-a13*a22));out[5]=a00*(a22*a33-a23*a32)-a20*(a02*a33-a03*a32)+a30*(a02*a23-a03*a22);out[6]=-(a00*(a12*a33-a13*a32)-a10*(a02*a33-a03*a32)+a30*(a02*a13-a03*a12));out[7]=a00*(a12*a23-a13*a22)-a10*(a02*a23-a03*a22)+a20*(a02*a13-a03*a12);out[8]=a10*(a21*a33-a23*a31)-a20*(a11*a33-a13*a31)+a30*(a11*a23-a13*a21);out[9]=-(a00*(a21*a33-a23*a31)-a20*(a01*a33-a03*a31)+a30*(a01*a23-a03*a21));out[10]=a00*(a11*a33-a13*a31)-a10*(a01*a33-a03*a31)+a30*(a01*a13-a03*a11);out[11]=-(a00*(a11*a23-a13*a21)-a10*(a01*a23-a03*a21)+a20*(a01*a13-a03*a11));out[12]=-(a10*(a21*a32-a22*a31)-a20*(a11*a32-a12*a31)+a30*(a11*a22-a12*a21));out[13]=a00*(a21*a32-a22*a31)-a20*(a01*a32-a02*a31)+a30*(a01*a22-a02*a21);out[14]=-(a00*(a11*a32-a12*a31)-a10*(a01*a32-a02*a31)+a30*(a01*a12-a02*a11));out[15]=a00*(a11*a22-a12*a21)-a10*(a01*a22-a02*a21)+a20*(a01*a12-a02*a11);return out};mat4.determinant=function(a){var a00=a[0],a01=a[1],a02=a[2],a03=a[3],a10=a[4],a11=a[5],a12=a[6],a13=a[7],a20=a[8],a21=a[9],a22=a[10],a23=a[11],a30=a[12],a31=a[13],a32=a[14],a33=a[15],b00=a00*a11-a01*a10,b01=a00*a12-a02*a10,b02=a00*a13-a03*a10,b03=a01*a12-a02*a11,b04=a01*a13-a03*a11,b05=a02*a13-a03*a12,b06=a20*a31-a21*a30,b07=a20*a32-a22*a30,b08=a20*a33-a23*a30,b09=a21*a32-a22*a31,b10=a21*a33-a23*a31,b11=a22*a33-a23*a32;return b00*b11-b01*b10+b02*b09+b03*b08-b04*b07+b05*b06};mat4.mul=mat4.multiply=function(out,a,b){var a00=a[0],a01=a[1],a02=a[2],a03=a[3],a10=a[4],a11=a[5],a12=a[6],a13=a[7],a20=a[8],a21=a[9],a22=a[10],a23=a[11],a30=a[12],a31=a[13],a32=a[14],a33=a[15];var b0=b[0],b1=b[1],b2=b[2],b3=b[3];out[0]=b0*a00+b1*a10+b2*a20+b3*a30;out[1]=b0*a01+b1*a11+b2*a21+b3*a31;out[2]=b0*a02+b1*a12+b2*a22+b3*a32;out[3]=b0*a03+b1*a13+b2*a23+b3*a33;b0=b[4];b1=b[5];b2=b[6];b3=b[7];out[4]=b0*a00+b1*a10+b2*a20+b3*a30;out[5]=b0*a01+b1*a11+b2*a21+b3*a31;out[6]=b0*a02+b1*a12+b2*a22+b3*a32;out[7]=b0*a03+b1*a13+b2*a23+b3*a33;b0=b[8];b1=b[9];b2=b[10];b3=b[11];out[8]=b0*a00+b1*a10+b2*a20+b3*a30;out[9]=b0*a01+b1*a11+b2*a21+b3*a31;out[10]=b0*a02+b1*a12+b2*a22+b3*a32;out[11]=b0*a03+b1*a13+b2*a23+b3*a33;b0=b[12];b1=b[13];b2=b[14];b3=b[15];out[12]=b0*a00+b1*a10+b2*a20+b3*a30;out[13]=b0*a01+b1*a11+b2*a21+b3*a31;out[14]=b0*a02+b1*a12+b2*a22+b3*a32;out[15]=b0*a03+b1*a13+b2*a23+b3*a33;return out};mat4.translate=function(out,a,v){var x=v[0],y=v[1],z=v[2],a00,a01,a02,a03,a10,a11,a12,a13,a20,a21,a22,a23;if(a===out){out[12]=a[0]*x+a[4]*y+a[8]*z+a[12];out[13]=a[1]*x+a[5]*y+a[9]*z+a[13];out[14]=a[2]*x+a[6]*y+a[10]*z+a[14];out[15]=a[3]*x+a[7]*y+a[11]*z+a[15]}else{a00=a[0];a01=a[1];a02=a[2];a03=a[3];a10=a[4];a11=a[5];a12=a[6];a13=a[7];a20=a[8];a21=a[9];a22=a[10];a23=a[11];out[0]=a00;out[1]=a01;out[2]=a02;out[3]=a03;out[4]=a10;out[5]=a11;out[6]=a12;out[7]=a13;out[8]=a20;out[9]=a21;out[10]=a22;out[11]=a23;out[12]=a00*x+a10*y+a20*z+a[12];out[13]=a01*x+a11*y+a21*z+a[13];out[14]=a02*x+a12*y+a22*z+a[14];out[15]=a03*x+a13*y+a23*z+a[15]}return out};mat4.scale=function(out,a,v){var x=v[0],y=v[1],z=v[2];out[0]=a[0]*x;out[1]=a[1]*x;out[2]=a[2]*x;out[3]=a[3]*x;out[4]=a[4]*y;out[5]=a[5]*y;out[6]=a[6]*y;out[7]=a[7]*y;out[8]=a[8]*z;out[9]=a[9]*z;out[10]=a[10]*z;out[11]=a[11]*z;out[12]=a[12];out[13]=a[13];out[14]=a[14];out[15]=a[15];return out};mat4.rotate=function(out,a,rad,axis){var x=axis[0],y=axis[1],z=axis[2],len=Math.sqrt(x*x+y*y+z*z),s,c,t,a00,a01,a02,a03,a10,a11,a12,a13,a20,a21,a22,a23,b00,b01,b02,b10,b11,b12,b20,b21,b22;if(Math.abs(len)<GLMAT_EPSILON){return null}len=1/len;x*=len;y*=len;z*=len;s=Math.sin(rad);c=Math.cos(rad);t=1-c;a00=a[0];a01=a[1];a02=a[2];a03=a[3];a10=a[4];a11=a[5];a12=a[6];a13=a[7];a20=a[8];a21=a[9];a22=a[10];a23=a[11];b00=x*x*t+c;b01=y*x*t+z*s;b02=z*x*t-y*s;b10=x*y*t-z*s;b11=y*y*t+c;b12=z*y*t+x*s;b20=x*z*t+y*s;b21=y*z*t-x*s;b22=z*z*t+c;out[0]=a00*b00+a10*b01+a20*b02;out[1]=a01*b00+a11*b01+a21*b02;out[2]=a02*b00+a12*b01+a22*b02;out[3]=a03*b00+a13*b01+a23*b02;out[4]=a00*b10+a10*b11+a20*b12;out[5]=a01*b10+a11*b11+a21*b12;out[6]=a02*b10+a12*b11+a22*b12;out[7]=a03*b10+a13*b11+a23*b12;out[8]=a00*b20+a10*b21+a20*b22;out[9]=a01*b20+a11*b21+a21*b22;out[10]=a02*b20+a12*b21+a22*b22;out[11]=a03*b20+a13*b21+a23*b22;if(a!==out){out[12]=a[12];out[13]=a[13];out[14]=a[14];out[15]=a[15]}return out};mat4.rotateX=function(out,a,rad){var s=Math.sin(rad),c=Math.cos(rad),a10=a[4],a11=a[5],a12=a[6],a13=a[7],a20=a[8],a21=a[9],a22=a[10],a23=a[11];if(a!==out){out[0]=a[0];out[1]=a[1];out[2]=a[2];out[3]=a[3];out[12]=a[12];out[13]=a[13];out[14]=a[14];out[15]=a[15]}out[4]=a10*c+a20*s;out[5]=a11*c+a21*s;out[6]=a12*c+a22*s;out[7]=a13*c+a23*s;out[8]=a20*c-a10*s;out[9]=a21*c-a11*s;out[10]=a22*c-a12*s;out[11]=a23*c-a13*s;return out};mat4.rotateY=function(out,a,rad){var s=Math.sin(rad),c=Math.cos(rad),a00=a[0],a01=a[1],a02=a[2],a03=a[3],a20=a[8],a21=a[9],a22=a[10],a23=a[11];if(a!==out){out[4]=a[4];out[5]=a[5];out[6]=a[6];out[7]=a[7];out[12]=a[12];out[13]=a[13];out[14]=a[14];out[15]=a[15]}out[0]=a00*c-a20*s;out[1]=a01*c-a21*s;out[2]=a02*c-a22*s;out[3]=a03*c-a23*s;out[8]=a00*s+a20*c;out[9]=a01*s+a21*c;out[10]=a02*s+a22*c;out[11]=a03*s+a23*c;return out};mat4.rotateZ=function(out,a,rad){var s=Math.sin(rad),c=Math.cos(rad),a00=a[0],a01=a[1],a02=a[2],a03=a[3],a10=a[4],a11=a[5],a12=a[6],a13=a[7];if(a!==out){out[8]=a[8];out[9]=a[9];out[10]=a[10];out[11]=a[11];out[12]=a[12];out[13]=a[13];out[14]=a[14];out[15]=a[15]}out[0]=a00*c+a10*s;out[1]=a01*c+a11*s;out[2]=a02*c+a12*s;out[3]=a03*c+a13*s;out[4]=a10*c-a00*s;out[5]=a11*c-a01*s;out[6]=a12*c-a02*s;out[7]=a13*c-a03*s;return out};mat4.fromRotationTranslation=function(out,q,v){var x=q[0],y=q[1],z=q[2],w=q[3],x2=x+x,y2=y+y,z2=z+z,xx=x*x2,xy=x*y2,xz=x*z2,yy=y*y2,yz=y*z2,zz=z*z2,wx=w*x2,wy=w*y2,wz=w*z2;out[0]=1-(yy+zz);out[1]=xy+wz;out[2]=xz-wy;out[3]=0;out[4]=xy-wz;out[5]=1-(xx+zz);out[6]=yz+wx;out[7]=0;out[8]=xz+wy;out[9]=yz-wx;out[10]=1-(xx+yy);out[11]=0;out[12]=v[0];out[13]=v[1];out[14]=v[2];out[15]=1;return out};mat4.frustum=function(out,left,right,bottom,top,near,far){var rl=1/(right-left),tb=1/(top-bottom),nf=1/(near-far);out[0]=near*2*rl;out[1]=0;out[2]=0;out[3]=0;out[4]=0;out[5]=near*2*tb;out[6]=0;out[7]=0;out[8]=(right+left)*rl;out[9]=(top+bottom)*tb;out[10]=(far+near)*nf;out[11]=-1;out[12]=0;out[13]=0;out[14]=far*near*2*nf;out[15]=0;return out};mat4.perspective=function(out,fovy,aspect,near,far){var f=1/Math.tan(fovy/2),nf=1/(near-far);out[0]=f/aspect;out[1]=0;out[2]=0;out[3]=0;out[4]=0;out[5]=f;out[6]=0;out[7]=0;out[8]=0;out[9]=0;out[10]=(far+near)*nf;out[11]=-1;out[12]=0;out[13]=0;out[14]=2*far*near*nf;out[15]=0;return out};mat4.ortho=function(out,left,right,bottom,top,near,far){var lr=1/(left-right),bt=1/(bottom-top),nf=1/(near-far);out[0]=-2*lr;out[1]=0;out[2]=0;out[3]=0;out[4]=0;out[5]=-2*bt;out[6]=0;out[7]=0;out[8]=0;out[9]=0;out[10]=2*nf;out[11]=0;out[12]=(left+right)*lr;out[13]=(top+bottom)*bt;out[14]=(far+near)*nf;out[15]=1;return out};mat4.lookAt=function(out,eye,center,up){var x0,x1,x2,y0,y1,y2,z0,z1,z2,len,eyex=eye[0],eyey=eye[1],eyez=eye[2],upx=up[0],upy=up[1],upz=up[2],centerx=center[0],centery=center[1],centerz=center[2];if(Math.abs(eyex-centerx)<GLMAT_EPSILON&&Math.abs(eyey-centery)<GLMAT_EPSILON&&Math.abs(eyez-centerz)<GLMAT_EPSILON){return mat4.identity(out)}z0=eyex-centerx;z1=eyey-centery;z2=eyez-centerz;len=1/Math.sqrt(z0*z0+z1*z1+z2*z2);z0*=len;z1*=len;z2*=len;x0=upy*z2-upz*z1;x1=upz*z0-upx*z2;x2=upx*z1-upy*z0;len=Math.sqrt(x0*x0+x1*x1+x2*x2);if(!len){x0=0;x1=0;x2=0}else{len=1/len;x0*=len;x1*=len;x2*=len}y0=z1*x2-z2*x1;y1=z2*x0-z0*x2;y2=z0*x1-z1*x0;len=Math.sqrt(y0*y0+y1*y1+y2*y2);if(!len){y0=0;y1=0;y2=0}else{len=1/len;y0*=len;y1*=len;y2*=len}out[0]=x0;out[1]=y0;out[2]=z0;out[3]=0;out[4]=x1;out[5]=y1;out[6]=z1;out[7]=0;out[8]=x2;out[9]=y2;out[10]=z2;out[11]=0;out[12]=-(x0*eyex+x1*eyey+x2*eyez);out[13]=-(y0*eyex+y1*eyey+y2*eyez);out[14]=-(z0*eyex+z1*eyey+z2*eyez);out[15]=1;return out};mat4.str=function(a){return"mat4("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+", "+a[4]+", "+a[5]+", "+a[6]+", "+a[7]+", "+a[8]+", "+a[9]+", "+a[10]+", "+a[11]+", "+a[12]+", "+a[13]+", "+a[14]+", "+a[15]+")"};if(typeof exports!=="undefined"){exports.mat4=mat4}var quat={};var quatIdentity=new Float32Array([0,0,0,1]);if(!GLMAT_EPSILON){var GLMAT_EPSILON=1e-6}quat.create=function(){return new Float32Array(quatIdentity)};quat.clone=vec4.clone;quat.fromValues=vec4.fromValues;quat.copy=vec4.copy;quat.set=vec4.set;quat.identity=function(out){out[0]=0;out[1]=0;out[2]=0;out[3]=1;return out};quat.setAxisAngle=function(out,axis,rad){rad=rad*.5;var s=Math.sin(rad);out[0]=s*axis[0];out[1]=s*axis[1];out[2]=s*axis[2];out[3]=Math.cos(rad);return out};quat.add=vec4.add;quat.mul=quat.multiply=function(out,a,b){var ax=a[0],ay=a[1],az=a[2],aw=a[3],bx=b[0],by=b[1],bz=b[2],bw=b[3];out[0]=ax*bw+aw*bx+ay*bz-az*by;out[1]=ay*bw+aw*by+az*bx-ax*bz;out[2]=az*bw+aw*bz+ax*by-ay*bx;out[3]=aw*bw-ax*bx-ay*by-az*bz;return out};quat.scale=vec4.scale;quat.rotateX=function(out,a,rad){rad*=.5;var ax=a[0],ay=a[1],az=a[2],aw=a[3],bx=Math.sin(rad),bw=Math.cos(rad);out[0]=ax*bw+aw*bx;out[1]=ay*bw+az*bx;out[2]=az*bw-ay*bx;out[3]=aw*bw-ax*bx;return out};quat.rotateY=function(out,a,rad){rad*=.5;var ax=a[0],ay=a[1],az=a[2],aw=a[3],by=Math.sin(rad),bw=Math.cos(rad);out[0]=ax*bw-az*by;out[1]=ay*bw+aw*by;out[2]=az*bw+ax*by;out[3]=aw*bw-ay*by;return out};quat.rotateZ=function(out,a,rad){rad*=.5;var ax=a[0],ay=a[1],az=a[2],aw=a[3],bz=Math.sin(rad),bw=Math.cos(rad);out[0]=ax*bw+ay*bz;out[1]=ay*bw-ax*bz;out[2]=az*bw+aw*bz;out[3]=aw*bw-az*bz;return out};quat.calculateW=function(out,a){var x=a[0],y=a[1],z=a[2];out[0]=x;out[1]=y;out[2]=z;out[3]=-Math.sqrt(Math.abs(1-x*x-y*y-z*z));return out};quat.dot=vec4.dot;quat.lerp=vec4.lerp;quat.slerp=function(out,a,b,t){var ax=a[0],ay=a[1],az=a[2],aw=a[3],bx=b[0],by=b[1],bz=b[2],bw=a[3];var cosHalfTheta=ax*bx+ay*by+az*bz+aw*bw,halfTheta,sinHalfTheta,ratioA,ratioB;if(Math.abs(cosHalfTheta)>=1){if(out!==a){out[0]=ax;out[1]=ay;out[2]=az;out[3]=aw}return out}halfTheta=Math.acos(cosHalfTheta);sinHalfTheta=Math.sqrt(1-cosHalfTheta*cosHalfTheta);if(Math.abs(sinHalfTheta)<.001){out[0]=ax*.5+bx*.5;out[1]=ay*.5+by*.5;out[2]=az*.5+bz*.5;out[3]=aw*.5+bw*.5;return out}ratioA=Math.sin((1-t)*halfTheta)/sinHalfTheta;ratioB=Math.sin(t*halfTheta)/sinHalfTheta;out[0]=ax*ratioA+bx*ratioB;out[1]=ay*ratioA+by*ratioB;out[2]=az*ratioA+bz*ratioB;out[3]=aw*ratioA+bw*ratioB;return out};quat.invert=function(out,a){var a0=a[0],a1=a[1],a2=a[2],a3=a[3],dot=a0*a0+a1*a1+a2*a2+a3*a3,invDot=dot?1/dot:0;out[0]=-a0*invDot;out[1]=-a1*invDot;out[2]=-a2*invDot;out[3]=a3*invDot;return out};quat.conjugate=function(out,a){out[0]=-a[0];out[1]=-a[1];out[2]=-a[2];out[3]=a[3];return out};quat.len=quat.length=vec4.length;quat.sqrLen=quat.squaredLength=vec4.squaredLength;quat.normalize=vec4.normalize;quat.str=function(a){return"quat("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+")"};if(typeof exports!=="undefined"){exports.quat=quat}}(shim.exports)}()}()},{}],21:[function(require,module,exports){var Pipeline=exports.Pipeline=function(){this.steps=[]};Pipeline.prototype.addStep=function(step){this.steps.push(step)};Pipeline.prototype.run=function(frame){var stepsLength=this.steps.length;for(var i=0;i!=stepsLength;i++){if(!frame)break;frame=this.steps[i](frame)}return frame}},{}],19:[function(require,module,exports){var Cursor=exports.Cursor=function(){return function(frame){var pointable=frame.pointables.sort(function(a,b){return a.z-b.z})[0];if(pointable&&pointable.valid){frame.cursorPosition=pointable.tipPosition}return frame}}},{}],12:[function(require,module,exports){var glMatrix=require("gl-matrix"),vec3=glMatrix.vec3;var Gesture=exports.Gesture=function(data){var gesture=undefined;switch(data.type){case"circle":gesture=new CircleGesture(data);break;case"swipe":gesture=new SwipeGesture(data);break;case"screenTap":gesture=new ScreenTapGesture(data);break;case"keyTap":gesture=new KeyTapGesture(data);break;default:throw"unkown gesture type"}gesture.id=data.id;gesture.handIds=data.handIds;gesture.pointableIds=data.pointableIds;gesture.duration=data.duration;gesture.state=data.state;gesture.type=data.type;return gesture};var CircleGesture=function(data){this.center=data.center;this.normal=data.normal;this.progress=data.progress;this.radius=data.radius};var SwipeGesture=function(data){this.startPosition=data.startPosition;this.position=data.position;this.direction=data.direction;this.speed=data.speed};var ScreenTapGesture=function(data){this.position=data.position;this.direction=data.direction;this.progress=data.progress};var KeyTapGesture=function(data){this.position=data.position;this.direction=data.direction;this.progress=data.progress}},{"gl-matrix":17}],15:[function(require,module,exports){var glMatrix=require("gl-matrix"),vec3=glMatrix.vec3;var Pointable=exports.Pointable=function(data){this.valid=true;this.id=data.id;this.handId=data.handId;this.length=data.length;this.tool=data.tool;this.width=data.width;this.direction=data.direction;this.stabilizedTipPosition=data.stabilizedTipPosition;this.tipPosition=data.tipPosition;this.tipVelocity=data.tipVelocity;this.touchZone=data.touchZone;this.touchDistance=data.touchDistance};Pointable.prototype.toString=function(){if(this.tool==true){return"Pointable [ id:"+this.id+" "+this.length+"mmx | with:"+this.width+"mm | direction:"+this.direction+" ]"}else{return"Pointable [ id:"+this.id+" "+this.length+"mmx | direction: "+this.direction+" ]"}};Pointable.Invalid={valid:false}},{"gl-matrix":17}],14:[function(require,module,exports){var glMatrix=require("gl-matrix"),vec3=glMatrix.vec3;var InteractionBox=exports.InteractionBox=function(data){this.valid=true;this.center=data.center;this.size=data.size;this.width=data.size[0];this.height=data.size[1];this.depth=data.size[2]};InteractionBox.prototype.denormalizePoint=function(normalizedPosition){return vec3.fromValues((normalizedPosition[0]-.5)*this.size[0]+this.center[0],(normalizedPosition[1]-.5)*this.size[1]+this.center[1],(normalizedPosition[2]-.5)*this.size[2]+this.center[2])};InteractionBox.prototype.normalizePoint=function(position,clamp){var vec=vec3.fromValues((position[0]-this.center[0])/this.size[0]+.5,(position[1]-this.center[1])/this.size[1]+.5,(position[2]-this.center[2])/this.size[2]+.5);if(clamp){vec[0]=Math.min(Math.max(vec[0],0),1);vec[1]=Math.min(Math.max(vec[1],0),1);vec[2]=Math.min(Math.max(vec[2],0),1)}return vec};InteractionBox.prototype.toString=function(){return"InteractionBox [ width:"+this.width+" | height:"+this.height+" | depth:"+this.depth+" ]"};InteractionBox.Invalid={valid:false}},{"gl-matrix":17}],11:[function(require,module,exports){var Hand=require("./hand").Hand,Pointable=require("./pointable").Pointable,Gesture=require("./gesture").Gesture,glMatrix=require("gl-matrix"),mat3=glMatrix.mat3,vec3=glMatrix.vec3,InteractionBox=require("./interaction_box").InteractionBox,_=require("underscore");var Frame=exports.Frame=function(data){this.valid=true;this.id=data.id;this.timestamp=data.timestamp;this.hands=[];this.handsMap={};this.pointables=[];this.tools=[];this.interactionBox=new InteractionBox(data.interactionBox);this.fingers=[];this.gestures=[];this.pointablesMap={};this._translation=data.t;this._rotation=_.flatten(data.r);this._scaleFactor=data.s;this.data=data;this.type="frame";var handMap={};for(var handIdx=0,handCount=data.hands.length;handIdx!=handCount;handIdx++){var hand=new Hand(data.hands[handIdx]);hand.frame=this;this.hands.push(hand);this.handsMap[hand.id]=hand;handMap[hand.id]=handIdx}for(var pointableIdx=0,pointableCount=data.pointables.length;pointableIdx!=pointableCount;pointableIdx++){var pointable=new Pointable(data.pointables[pointableIdx]);pointable.frame=this;this.pointables.push(pointable);this.pointablesMap[pointable.id]=pointable;(pointable.tool?this.tools:this.fingers).push(pointable);if(pointable.handId!==undefined&&handMap.hasOwnProperty(pointable.handId)){var hand=this.hands[handMap[pointable.handId]];hand.pointables.push(pointable);(pointable.tool?hand.tools:hand.fingers).push(pointable)}}if(data.gestures){for(var gestureIdx=0,gestureCount=data.gestures.length;gestureIdx!=gestureCount;gestureIdx++){this.gestures.push(Gesture(data.gestures[gestureIdx]))}}};Frame.prototype.tool=function(id){var pointable=this.pointable(id);return pointable.tool?pointable:Pointable.Invalid};Frame.prototype.pointable=function(id){return this.pointablesMap[id]||Pointable.Invalid};Frame.prototype.finger=function(id){var pointable=this.pointable(id);return!pointable.tool?pointable:Pointable.Invalid};Frame.prototype.hand=function(id){return this.handsMap[id]||Hand.Invalid};Frame.prototype.rotationAngle=function(sinceFrame,axis){if(!this.valid||!sinceFrame.valid)return 0;var rot=this.rotationMatrix(sinceFrame);var cs=(rot[0]+rot[4]+rot[8]-1)*.5;var angle=Math.acos(cs);angle=isNaN(angle)?0:angle;if(axis!==undefined){var rotAxis=this.rotationAxis(sinceFrame);angle*=vec3.dot(rotAxis,vec3.normalize(vec3.create(),axis))}return angle};Frame.prototype.rotationAxis=function(sinceFrame){if(!this.valid||!sinceFrame.valid)return vec3.create();return vec3.normalize(vec3.create(),[this._rotation[7]-sinceFrame._rotation[5],this._rotation[2]-sinceFrame._rotation[6],this._rotation[3]-sinceFrame._rotation[1]])};Frame.prototype.rotationMatrix=function(sinceFrame){if(!this.valid||!sinceFrame.valid)return mat3.create();var transpose=mat3.transpose(mat3.create(),this._rotation);return mat3.multiply(mat3.create(),sinceFrame._rotation,transpose)};Frame.prototype.scaleFactor=function(sinceFrame){if(!this.valid||!sinceFrame.valid)return 1;return Math.exp(this._scaleFactor-sinceFrame._scaleFactor)};Frame.prototype.translation=function(sinceFrame){if(!this.valid||!sinceFrame.valid)return vec3.create();return vec3.subtract(vec3.create(),this._translation,sinceFrame._translation)};Frame.prototype.toString=function(){var str="Frame [ id:"+this.id+" | timestamp:"+this.timestamp+" | Hand count:("+this.hands.length+") | Pointable count:("+this.pointables.length+")";if(this.gestures)str+=" | Gesture count:("+this.gestures.length+")";str+=" ]";return str};Frame.prototype.dump=function(){var out="";out+="Frame Info:<br/>";out+=this.toString();out+="<br/><br/>Hands:<br/>";for(var handIdx=0,handCount=this.hands.length;handIdx!=handCount;handIdx++){out+=" "+this.hands[handIdx].toString()+"<br/>"}out+="<br/><br/>Pointables:<br/>";for(var pointableIdx=0,pointableCount=this.pointables.length;pointableIdx!=pointableCount;pointableIdx++){out+=" "+this.pointables[pointableIdx].toString()+"<br/>"}if(this.gestures){out+="<br/><br/>Gestures:<br/>";for(var gestureIdx=0,gestureCount=this.gestures.length;gestureIdx!=gestureCount;gestureIdx++){out+=" "+this.gestures[gestureIdx].toString()+"<br/>"}}out+="<br/><br/>Raw JSON:<br/>";out+=JSON.stringify(this.data);return out};Frame.Invalid={valid:false,hands:[],fingers:[],tools:[],gestures:[],pointables:[],pointable:function(){return Pointable.Invalid},finger:function(){return Pointable.Invalid},hand:function(){return Hand.Invalid},toString:function(){return"invalid frame"},dump:function(){return this.toString()}}},{"./gesture":12,"./hand":13,"./interaction_box":14,"./pointable":15,"gl-matrix":17,underscore:22}],10:[function(require,module,exports){!function(process){var inNode=typeof process!=="undefined"&&process.title==="node";var Frame=require("./frame").Frame,CircularBuffer=require("./circular_buffer").CircularBuffer,Pipeline=require("./pipeline").Pipeline,EventEmitter=require("events").EventEmitter,_=require("underscore");var Controller=exports.Controller=function(opts){opts=_.defaults(opts||{},{frameEventName:this.useAnimationLoop()?"animationFrame":"deviceFrame",supressAnimationLoop:false});this.supressAnimationLoop=opts.supressAnimationLoop;this.frameEventName=opts.frameEventName;this.history=new CircularBuffer(200);this.lastFrame=Frame.Invalid;this.lastValidFrame=Frame.Invalid;this.lastConnectionFrame=Frame.Invalid;this.accumulatedGestures=[];if(opts.connectionType===undefined){this.connectionType=(this.inBrowser()?require("./connection"):require("./node_connection")).Connection}else{this.connectionType=opts.connectionType}this.connection=new this.connectionType(opts);this.setupConnectionEvents()};Controller.prototype.updateDevicePresent=function(newState){if(this.devicePresent!==newState){this.devicePresent=newState;this.emit(this.devicePresent?"deviceConnected":"deviceDisconnected")}};Controller.prototype.inBrowser=function(){return!inNode};Controller.prototype.useAnimationLoop=function(){return this.inBrowser()&&typeof chrome==="undefined"};Controller.prototype.connect=function(){var controller=this;if(this.connection.connect()&&this.inBrowser()&&!controller.supressAnimationLoop){var callback=function(){controller.emit("animationFrame",controller.lastConnectionFrame);window.requestAnimFrame(callback)};window.requestAnimFrame(callback)}};Controller.prototype.disconnect=function(){this.connection.disconnect()};Controller.prototype.frame=function(num){return this.history.get(num)||Frame.Invalid};Controller.prototype.loop=function(callback){switch(callback.length){case 1:this.on(this.frameEventName,callback);break;case 2:var controller=this;var scheduler=null;var immediateRunnerCallback=function(frame){callback(frame,function(){if(controller.lastFrame!=frame){immediateRunnerCallback(controller.lastFrame)}else{controller.once(controller.frameEventName,immediateRunnerCallback)}})};this.once(this.frameEventName,immediateRunnerCallback);break}this.connect()};Controller.prototype.addStep=function(step){if(!this.pipeline)this.pipeline=new Pipeline(this);this.pipeline.addStep(step)};Controller.prototype.processFrame=function(frame){if(this.pipeline){frame=this.pipeline.run(frame);if(!frame)frame=Frame.Invalid}this.lastConnectionFrame=frame;this.emit("deviceFrame",frame)};Controller.prototype.processFinishedFrame=function(frame){this.lastFrame=frame;if(frame.valid){this.lastValidFrame=frame}if(frame.gestures){frame.gestures=this.accumulatedGestures;this.accumulatedGestures=[]}frame.controller=this;frame.historyIdx=this.history.push(frame);this.emit("frame",frame)};Controller.prototype.setupConnectionEvents=function(){var controller=this;this.connection.on("frame",function(frame){if(frame.gestures){controller.accumulatedGestures=controller.accumulatedGestures.concat(frame.gestures)}controller.processFrame(frame)});this.on(this.frameEventName,function(frame){controller.processFinishedFrame(frame)});this.connection.on("ready",function(){var heartbeatFrame=controller.lastFrame;controller.deviceReadyTimer=setInterval(function(){controller.updateDevicePresent(controller.lastFrame.valid&&heartbeatFrame!=controller.lastFrame);heartbeatFrame=controller.lastFrame},100);controller.emit("ready")});this.connection.on("connect",function(){controller.emit("connect")});this.connection.on("disconnect",function(){controller.updateDevicePresent(false);clearTimeout(controller.deviceReadyTimer);
controller.emit("disconnect")});this.connection.on("focus",function(){controller.emit("focus")});this.connection.on("blur",function(){controller.emit("blur")});this.connection.on("protocol",function(protocol){controller.emit("protocol",protocol)})};_.extend(Controller.prototype,EventEmitter.prototype)}(require("__browserify_process"))},{"./circular_buffer":5,"./connection":9,"./frame":11,"./node_connection":6,"./pipeline":21,__browserify_process:7,events:8,underscore:22}],13:[function(require,module,exports){var Pointable=require("./pointable").Pointable,glMatrix=require("gl-matrix"),mat3=glMatrix.mat3,vec3=glMatrix.vec3,_=require("underscore");var Hand=exports.Hand=function(data){this.id=data.id;this.palmPosition=data.palmPosition;this.direction=data.direction;this.palmVelocity=data.palmVelocity;this.palmNormal=data.palmNormal;this.sphereCenter=data.sphereCenter;this.sphereRadius=data.sphereRadius;this.valid=true;this.pointables=[];this.fingers=[];this.tools=[];this._translation=data.t;this._rotation=_.flatten(data.r);this._scaleFactor=data.s};Hand.prototype.finger=function(id){var finger=this.frame.finger(id);return finger&&finger.handId==this.id?finger:Pointable.Invalid};Hand.prototype.rotationAngle=function(sinceFrame,axis){if(!this.valid||!sinceFrame.valid)return 0;var sinceHand=sinceFrame.hand(this.id);if(!sinceHand.valid)return 0;var rot=this.rotationMatrix(sinceFrame);var cs=(rot[0]+rot[4]+rot[8]-1)*.5;var angle=Math.acos(cs);angle=isNaN(angle)?0:angle;if(axis!==undefined){var rotAxis=this.rotationAxis(sinceFrame);angle*=vec3.dot(rotAxis,vec3.normalize(vec3.create(),axis))}return angle};Hand.prototype.rotationAxis=function(sinceFrame){if(!this.valid||!sinceFrame.valid)return vec3.create();var sinceHand=sinceFrame.hand(this.id);if(!sinceHand.valid)return vec3.create();return vec3.normalize(vec3.create(),[this._rotation[7]-sinceHand._rotation[5],this._rotation[2]-sinceHand._rotation[6],this._rotation[3]-sinceHand._rotation[1]])};Hand.prototype.rotationMatrix=function(sinceFrame){if(!this.valid||!sinceFrame.valid)return Matrix.identity();var sinceHand=sinceFrame.hand(this.id);if(!sinceHand.valid)return Matrix.identity();var transpose=mat3.transpose(mat3.create(),this._rotation);var m=mat3.multiply(mat3.create(),sinceHand._rotation,transpose);return m};Hand.prototype.scaleFactor=function(sinceFrame){if(!this.valid||!sinceFrame.valid)return 1;var sinceHand=sinceFrame.hand(this.id);if(!sinceHand.valid)return 1;return Math.exp(this._scaleFactor-sinceHand._scaleFactor)};Hand.prototype.translation=function(sinceFrame){if(!this.valid||!sinceFrame.valid)return vec3.create();var sinceHand=sinceFrame.hand(this.id);if(!sinceHand.valid)return vec3.create();return[this._translation[0]-sinceHand._translation[0],this._translation[1]-sinceHand._translation[1],this._translation[2]-sinceHand._translation[2]]};Hand.prototype.toString=function(){return"Hand [ id: "+this.id+" | palm velocity:"+this.palmVelocity+" | sphere center:"+this.sphereCenter+" ] "};Hand.Invalid={valid:false}},{"./pointable":15,"gl-matrix":17,underscore:22}],22:[function(require,module,exports){!function(){!function(){var root=this;var previousUnderscore=root._;var breaker={};var ArrayProto=Array.prototype,ObjProto=Object.prototype,FuncProto=Function.prototype;var push=ArrayProto.push,slice=ArrayProto.slice,concat=ArrayProto.concat,toString=ObjProto.toString,hasOwnProperty=ObjProto.hasOwnProperty;var nativeForEach=ArrayProto.forEach,nativeMap=ArrayProto.map,nativeReduce=ArrayProto.reduce,nativeReduceRight=ArrayProto.reduceRight,nativeFilter=ArrayProto.filter,nativeEvery=ArrayProto.every,nativeSome=ArrayProto.some,nativeIndexOf=ArrayProto.indexOf,nativeLastIndexOf=ArrayProto.lastIndexOf,nativeIsArray=Array.isArray,nativeKeys=Object.keys,nativeBind=FuncProto.bind;var _=function(obj){if(obj instanceof _)return obj;if(!(this instanceof _))return new _(obj);this._wrapped=obj};if(typeof exports!=="undefined"){if(typeof module!=="undefined"&&module.exports){exports=module.exports=_}exports._=_}else{root._=_}_.VERSION="1.4.4";var each=_.each=_.forEach=function(obj,iterator,context){if(obj==null)return;if(nativeForEach&&obj.forEach===nativeForEach){obj.forEach(iterator,context)}else if(obj.length===+obj.length){for(var i=0,l=obj.length;i<l;i++){if(iterator.call(context,obj[i],i,obj)===breaker)return}}else{for(var key in obj){if(_.has(obj,key)){if(iterator.call(context,obj[key],key,obj)===breaker)return}}}};_.map=_.collect=function(obj,iterator,context){var results=[];if(obj==null)return results;if(nativeMap&&obj.map===nativeMap)return obj.map(iterator,context);each(obj,function(value,index,list){results[results.length]=iterator.call(context,value,index,list)});return results};var reduceError="Reduce of empty array with no initial value";_.reduce=_.foldl=_.inject=function(obj,iterator,memo,context){var initial=arguments.length>2;if(obj==null)obj=[];if(nativeReduce&&obj.reduce===nativeReduce){if(context)iterator=_.bind(iterator,context);return initial?obj.reduce(iterator,memo):obj.reduce(iterator)}each(obj,function(value,index,list){if(!initial){memo=value;initial=true}else{memo=iterator.call(context,memo,value,index,list)}});if(!initial)throw new TypeError(reduceError);return memo};_.reduceRight=_.foldr=function(obj,iterator,memo,context){var initial=arguments.length>2;if(obj==null)obj=[];if(nativeReduceRight&&obj.reduceRight===nativeReduceRight){if(context)iterator=_.bind(iterator,context);return initial?obj.reduceRight(iterator,memo):obj.reduceRight(iterator)}var length=obj.length;if(length!==+length){var keys=_.keys(obj);length=keys.length}each(obj,function(value,index,list){index=keys?keys[--length]:--length;if(!initial){memo=obj[index];initial=true}else{memo=iterator.call(context,memo,obj[index],index,list)}});if(!initial)throw new TypeError(reduceError);return memo};_.find=_.detect=function(obj,iterator,context){var result;any(obj,function(value,index,list){if(iterator.call(context,value,index,list)){result=value;return true}});return result};_.filter=_.select=function(obj,iterator,context){var results=[];if(obj==null)return results;if(nativeFilter&&obj.filter===nativeFilter)return 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breaker});return!!result};_.contains=_.include=function(obj,target){if(obj==null)return false;if(nativeIndexOf&&obj.indexOf===nativeIndexOf)return obj.indexOf(target)!=-1;return any(obj,function(value){return value===target})};_.invoke=function(obj,method){var args=slice.call(arguments,2);var isFunc=_.isFunction(method);return _.map(obj,function(value){return(isFunc?method:value[method]).apply(value,args)})};_.pluck=function(obj,key){return _.map(obj,function(value){return value[key]})};_.where=function(obj,attrs,first){if(_.isEmpty(attrs))return first?null:[];return _[first?"find":"filter"](obj,function(value){for(var key in attrs){if(attrs[key]!==value[key])return false}return true})};_.findWhere=function(obj,attrs){return _.where(obj,attrs,true)};_.max=function(obj,iterator,context){if(!iterator&&_.isArray(obj)&&obj[0]===+obj[0]&&obj.length<65535){return Math.max.apply(Math,obj)}if(!iterator&&_.isEmpty(obj))return-Infinity;var result={computed:-Infinity,value:-Infinity};each(obj,function(value,index,list){var computed=iterator?iterator.call(context,value,index,list):value;computed>=result.computed&&(result={value:value,computed:computed})});return result.value};_.min=function(obj,iterator,context){if(!iterator&&_.isArray(obj)&&obj[0]===+obj[0]&&obj.length<65535){return Math.min.apply(Math,obj)}if(!iterator&&_.isEmpty(obj))return Infinity;var result={computed:Infinity,value:Infinity};each(obj,function(value,index,list){var computed=iterator?iterator.call(context,value,index,list):value;computed<result.computed&&(result={value:value,computed:computed})});return result.value};_.shuffle=function(obj){var rand;var index=0;var shuffled=[];each(obj,function(value){rand=_.random(index++);shuffled[index-1]=shuffled[rand];shuffled[rand]=value});return shuffled};var lookupIterator=function(value){return _.isFunction(value)?value:function(obj){return obj[value]}};_.sortBy=function(obj,value,context){var iterator=lookupIterator(value);return _.pluck(_.map(obj,function(value,index,list){return{value:value,index:index,criteria:iterator.call(context,value,index,list)}}).sort(function(left,right){var a=left.criteria;var b=right.criteria;if(a!==b){if(a>b||a===void 0)return 1;if(a<b||b===void 0)return-1}return left.index<right.index?-1:1}),"value")};var group=function(obj,value,context,behavior){var result={};var iterator=lookupIterator(value||_.identity);each(obj,function(value,index){var key=iterator.call(context,value,index,obj);behavior(result,key,value)});return result};_.groupBy=function(obj,value,context){return group(obj,value,context,function(result,key,value){(_.has(result,key)?result[key]:result[key]=[]).push(value)})};_.countBy=function(obj,value,context){return group(obj,value,context,function(result,key){if(!_.has(result,key))result[key]=0;result[key]++})};_.sortedIndex=function(array,obj,iterator,context){iterator=iterator==null?_.identity:lookupIterator(iterator);var value=iterator.call(context,obj);var low=0,high=array.length;while(low<high){var mid=low+high>>>1;iterator.call(context,array[mid])<value?low=mid+1:high=mid}return low};_.toArray=function(obj){if(!obj)return[];if(_.isArray(obj))return slice.call(obj);if(obj.length===+obj.length)return _.map(obj,_.identity);return _.values(obj)};_.size=function(obj){if(obj==null)return 0;return obj.length===+obj.length?obj.length:_.keys(obj).length};_.first=_.head=_.take=function(array,n,guard){if(array==null)return void 0;return n!=null&&!guard?slice.call(array,0,n):array[0]};_.initial=function(array,n,guard){return slice.call(array,0,array.length-(n==null||guard?1:n))};_.last=function(array,n,guard){if(array==null)return void 0;if(n!=null&&!guard){return slice.call(array,Math.max(array.length-n,0))}else{return array[array.length-1]}};_.rest=_.tail=_.drop=function(array,n,guard){return slice.call(array,n==null||guard?1:n)};_.compact=function(array){return _.filter(array,_.identity)};var flatten=function(input,shallow,output){each(input,function(value){if(_.isArray(value)){shallow?push.apply(output,value):flatten(value,shallow,output)}else{output.push(value)}});return output};_.flatten=function(array,shallow){return flatten(array,shallow,[])};_.without=function(array){return _.difference(array,slice.call(arguments,1))};_.uniq=_.unique=function(array,isSorted,iterator,context){if(_.isFunction(isSorted)){context=iterator;iterator=isSorted;isSorted=false}var initial=iterator?_.map(array,iterator,context):array;var results=[];var seen=[];each(initial,function(value,index){if(isSorted?!index||seen[seen.length-1]!==value:!_.contains(seen,value)){seen.push(value);results.push(array[index])}});return results};_.union=function(){return _.uniq(concat.apply(ArrayProto,arguments))};_.intersection=function(array){var rest=slice.call(arguments,1);return _.filter(_.uniq(array),function(item){return _.every(rest,function(other){return _.indexOf(other,item)>=0})})};_.difference=function(array){var rest=concat.apply(ArrayProto,slice.call(arguments,1));return _.filter(array,function(value){return!_.contains(rest,value)})};_.zip=function(){var args=slice.call(arguments);var length=_.max(_.pluck(args,"length"));var results=new Array(length);for(var i=0;i<length;i++){results[i]=_.pluck(args,""+i)}return results};_.object=function(list,values){if(list==null)return{};var result={};for(var i=0,l=list.length;i<l;i++){if(values){result[list[i]]=values[i]}else{result[list[i][0]]=list[i][1]}}return result};_.indexOf=function(array,item,isSorted){if(array==null)return-1;var i=0,l=array.length;if(isSorted){if(typeof isSorted=="number"){i=isSorted<0?Math.max(0,l+isSorted):isSorted}else{i=_.sortedIndex(array,item);return array[i]===item?i:-1}}if(nativeIndexOf&&array.indexOf===nativeIndexOf)return array.indexOf(item,isSorted);for(;i<l;i++)if(array[i]===item)return i;return-1};_.lastIndexOf=function(array,item,from){if(array==null)return-1;var hasIndex=from!=null;if(nativeLastIndexOf&&array.lastIndexOf===nativeLastIndexOf){return hasIndex?array.lastIndexOf(item,from):array.lastIndexOf(item)}var i=hasIndex?from:array.length;while(i--)if(array[i]===item)return i;return-1};_.range=function(start,stop,step){if(arguments.length<=1){stop=start||0;start=0}step=arguments[2]||1;var len=Math.max(Math.ceil((stop-start)/step),0);var idx=0;var range=new Array(len);while(idx<len){range[idx++]=start;start+=step}return range};_.bind=function(func,context){if(func.bind===nativeBind&&nativeBind)return nativeBind.apply(func,slice.call(arguments,1));var args=slice.call(arguments,2);return function(){return func.apply(context,args.concat(slice.call(arguments)))}};_.partial=function(func){var args=slice.call(arguments,1);return function(){return func.apply(this,args.concat(slice.call(arguments)))}};_.bindAll=function(obj){var funcs=slice.call(arguments,1);if(funcs.length===0)funcs=_.functions(obj);each(funcs,function(f){obj[f]=_.bind(obj[f],obj)});return obj};_.memoize=function(func,hasher){var memo={};hasher||(hasher=_.identity);return function(){var key=hasher.apply(this,arguments);return _.has(memo,key)?memo[key]:memo[key]=func.apply(this,arguments)}};_.delay=function(func,wait){var args=slice.call(arguments,2);return setTimeout(function(){return func.apply(null,args)},wait)};_.defer=function(func){return _.delay.apply(_,[func,1].concat(slice.call(arguments,1)))};_.throttle=function(func,wait){var context,args,timeout,result;var previous=0;var later=function(){previous=new Date;timeout=null;result=func.apply(context,args)};return function(){var now=new Date;var remaining=wait-(now-previous);context=this;args=arguments;if(remaining<=0){clearTimeout(timeout);timeout=null;previous=now;result=func.apply(context,args)}else if(!timeout){timeout=setTimeout(later,remaining)}return result}};_.debounce=function(func,wait,immediate){var timeout,result;return function(){var context=this,args=arguments;var later=function(){timeout=null;if(!immediate)result=func.apply(context,args)};var callNow=immediate&&!timeout;clearTimeout(timeout);timeout=setTimeout(later,wait);if(callNow)result=func.apply(context,args);return result}};_.once=function(func){var ran=false,memo;return function(){if(ran)return memo;ran=true;memo=func.apply(this,arguments);func=null;return memo}};_.wrap=function(func,wrapper){return function(){var args=[func];push.apply(args,arguments);return wrapper.apply(this,args)}};_.compose=function(){var funcs=arguments;return function(){var args=arguments;for(var i=funcs.length-1;i>=0;i--){args=[funcs[i].apply(this,args)]}return args[0]}};_.after=function(times,func){if(times<=0)return func();return function(){if(--times<1){return func.apply(this,arguments)}}};_.keys=nativeKeys||function(obj){if(obj!==Object(obj))throw new TypeError("Invalid object");var keys=[];for(var key in obj)if(_.has(obj,key))keys[keys.length]=key;return keys};_.values=function(obj){var values=[];for(var key in obj)if(_.has(obj,key))values.push(obj[key]);return values};_.pairs=function(obj){var pairs=[];for(var key in obj)if(_.has(obj,key))pairs.push([key,obj[key]]);return pairs};_.invert=function(obj){var result={};for(var key in obj)if(_.has(obj,key))result[obj[key]]=key;return result};_.functions=_.methods=function(obj){var names=[];for(var key in obj){if(_.isFunction(obj[key]))names.push(key)}return names.sort()};_.extend=function(obj){each(slice.call(arguments,1),function(source){if(source){for(var prop in source){obj[prop]=source[prop]}}});return obj};_.pick=function(obj){var copy={};var keys=concat.apply(ArrayProto,slice.call(arguments,1));each(keys,function(key){if(key in obj)copy[key]=obj[key]});return copy};_.omit=function(obj){var copy={};var keys=concat.apply(ArrayProto,slice.call(arguments,1));for(var key in obj){if(!_.contains(keys,key))copy[key]=obj[key]}return copy};_.defaults=function(obj){each(slice.call(arguments,1),function(source){if(source){for(var prop in source){if(obj[prop]==null)obj[prop]=source[prop]}}});return obj};_.clone=function(obj){if(!_.isObject(obj))return obj;return _.isArray(obj)?obj.slice():_.extend({},obj)};_.tap=function(obj,interceptor){interceptor(obj);return obj};var eq=function(a,b,aStack,bStack){if(a===b)return a!==0||1/a==1/b;if(a==null||b==null)return a===b;if(a instanceof _)a=a._wrapped;if(b instanceof _)b=b._wrapped;var className=toString.call(a);if(className!=toString.call(b))return false;switch(className){case"[object String]":return a==String(b);case"[object Number]":return a!=+a?b!=+b:a==0?1/a==1/b:a==+b;case"[object Date]":case"[object Boolean]":return+a==+b;case"[object RegExp]":return a.source==b.source&&a.global==b.global&&a.multiline==b.multiline&&a.ignoreCase==b.ignoreCase}if(typeof a!="object"||typeof b!="object")return false;var length=aStack.length;while(length--){if(aStack[length]==a)return bStack[length]==b}aStack.push(a);bStack.push(b);var size=0,result=true;if(className=="[object Array]"){size=a.length;result=size==b.length;if(result){while(size--){if(!(result=eq(a[size],b[size],aStack,bStack)))break}}}else{var aCtor=a.constructor,bCtor=b.constructor;if(aCtor!==bCtor&&!(_.isFunction(aCtor)&&aCtor instanceof aCtor&&_.isFunction(bCtor)&&bCtor instanceof bCtor)){return false}for(var key in a){if(_.has(a,key)){size++;if(!(result=_.has(b,key)&&eq(a[key],b[key],aStack,bStack)))break}}if(result){for(key in b){if(_.has(b,key)&&!size--)break}result=!size}}aStack.pop();bStack.pop();return result};_.isEqual=function(a,b){return eq(a,b,[],[])};_.isEmpty=function(obj){if(obj==null)return true;if(_.isArray(obj)||_.isString(obj))return obj.length===0;for(var key in obj)if(_.has(obj,key))return false;return true};_.isElement=function(obj){return!!(obj&&obj.nodeType===1)};_.isArray=nativeIsArray||function(obj){return toString.call(obj)=="[object Array]"};_.isObject=function(obj){return obj===Object(obj)};each(["Arguments","Function","String","Number","Date","RegExp"],function(name){_["is"+name]=function(obj){return toString.call(obj)=="[object "+name+"]"}});if(!_.isArguments(arguments)){_.isArguments=function(obj){return!!(obj&&_.has(obj,"callee"))}}if(typeof/./!=="function"){_.isFunction=function(obj){return typeof obj==="function"}}_.isFinite=function(obj){return isFinite(obj)&&!isNaN(parseFloat(obj))};_.isNaN=function(obj){return _.isNumber(obj)&&obj!=+obj};_.isBoolean=function(obj){return obj===true||obj===false||toString.call(obj)=="[object Boolean]"};_.isNull=function(obj){return obj===null};_.isUndefined=function(obj){return obj===void 0};_.has=function(obj,key){return hasOwnProperty.call(obj,key)};_.noConflict=function(){root._=previousUnderscore;return this};_.identity=function(value){return value};_.times=function(n,iterator,context){var accum=Array(n);for(var i=0;i<n;i++)accum[i]=iterator.call(context,i);return accum};_.random=function(min,max){if(max==null){max=min;min=0}return min+Math.floor(Math.random()*(max-min+1))};var entityMap={escape:{"&":"&","<":"<",">":">",'"':""","'":"'","/":"/"}};entityMap.unescape=_.invert(entityMap.escape);var entityRegexes={escape:new RegExp("["+_.keys(entityMap.escape).join("")+"]","g"),unescape:new RegExp("("+_.keys(entityMap.unescape).join("|")+")","g")};_.each(["escape","unescape"],function(method){_[method]=function(string){if(string==null)return"";return(""+string).replace(entityRegexes[method],function(match){return entityMap[method][match]})}});_.result=function(object,property){if(object==null)return null;var value=object[property];return _.isFunction(value)?value.call(object):value};_.mixin=function(obj){each(_.functions(obj),function(name){var func=_[name]=obj[name];_.prototype[name]=function(){var args=[this._wrapped];push.apply(args,arguments);return result.call(this,func.apply(_,args))}})};var idCounter=0;_.uniqueId=function(prefix){var id=++idCounter+"";return prefix?prefix+id:id};_.templateSettings={evaluate:/<%([\s\S]+?)%>/g,interpolate:/<%=([\s\S]+?)%>/g,escape:/<%-([\s\S]+?)%>/g};var noMatch=/(.)^/;var escapes={"'":"'","\\":"\\","\r":"r","\n":"n"," ":"t","\u2028":"u2028","\u2029":"u2029"};var escaper=/\\|'|\r|\n|\t|\u2028|\u2029/g;_.template=function(text,data,settings){var render;settings=_.defaults({},settings,_.templateSettings);var matcher=new RegExp([(settings.escape||noMatch).source,(settings.interpolate||noMatch).source,(settings.evaluate||noMatch).source].join("|")+"|$","g");var index=0;var source="__p+='";text.replace(matcher,function(match,escape,interpolate,evaluate,offset){source+=text.slice(index,offset).replace(escaper,function(match){return"\\"+escapes[match]});if(escape){source+="'+\n((__t=("+escape+"))==null?'':_.escape(__t))+\n'"}if(interpolate){source+="'+\n((__t=("+interpolate+"))==null?'':__t)+\n'"}if(evaluate){source+="';\n"+evaluate+"\n__p+='"}index=offset+match.length;return match});source+="';\n";if(!settings.variable)source="with(obj||{}){\n"+source+"}\n";source="var __t,__p='',__j=Array.prototype.join,"+"print=function(){__p+=__j.call(arguments,'');};\n"+source+"return __p;\n";try{render=new Function(settings.variable||"obj","_",source)}catch(e){e.source=source;throw e}if(data)return render(data,_);var template=function(data){return render.call(this,data,_)};template.source="function("+(settings.variable||"obj")+"){\n"+source+"}";return template};_.chain=function(obj){return _(obj).chain()};var result=function(obj){return this._chain?_(obj).chain():obj};_.mixin(_);each(["pop","push","reverse","shift","sort","splice","unshift"],function(name){var method=ArrayProto[name];_.prototype[name]=function(){var obj=this._wrapped;method.apply(obj,arguments);if((name=="shift"||name=="splice")&&obj.length===0)delete obj[0];return result.call(this,obj)}});each(["concat","join","slice"],function(name){var method=ArrayProto[name];_.prototype[name]=function(){return result.call(this,method.apply(this._wrapped,arguments))}});_.extend(_.prototype,{chain:function(){this._chain=true;return this},value:function(){return this._wrapped}})}.call(this)}()},{}],18:[function(require,module,exports){var chooseProtocol=require("./protocol").chooseProtocol,EventEmitter=require("events").EventEmitter,_=require("underscore");var Connection=exports.Connection=function(opts){this.opts=_.defaults(opts||{},{host:"127.0.0.1",enableGestures:false,port:6437,enableHeartbeat:true,heartbeatInterval:100,requestProtocolVersion:2});this.host=opts.host;this.port=opts.port;this.on("ready",function(){this.enableGestures(this.opts.enableGestures);if(this.opts.enableHeartbeat)this.startHeartbeat()});this.on("disconnect",function(){if(this.opts.enableHeartbeat)this.stopHeartbeat()});this.heartbeatTimer=null};Connection.prototype.getUrl=function(){return"ws://"+this.host+":"+this.port+"/v"+this.opts.requestProtocolVersion+".json"};Connection.prototype.sendHeartbeat=function(){this.setHeartbeatState(true);this.protocol.sendHeartbeat(this)};Connection.prototype.handleOpen=function(){this.emit("connect")};Connection.prototype.enableGestures=function(enabled){this.gesturesEnabled=enabled?true:false;this.send(this.protocol.encode({enableGestures:this.gesturesEnabled}))};Connection.prototype.handleClose=function(){this.disconnect();this.startReconnection();this.emit("disconnect")};Connection.prototype.startReconnection=function(){var connection=this;setTimeout(function(){connection.connect()},1e3)};Connection.prototype.disconnect=function(){if(!this.socket)return;this.teardownSocket();delete this.socket;delete this.protocol};Connection.prototype.handleData=function(data){var message=JSON.parse(data);var messageEvent;if(this.protocol===undefined){messageEvent=this.protocol=chooseProtocol(message);this.emit("ready")}else{messageEvent=this.protocol(message)}this.emit(messageEvent.type,messageEvent)};Connection.prototype.connect=function(){if(this.socket)return;this.socket=this.setupSocket();return true};Connection.prototype.send=function(data){this.socket.send(data)};Connection.prototype.stopHeartbeat=function(){if(!this.heartbeatTimer)return;clearInterval(this.heartbeatTimer);delete this.heartbeatTimer;this.setHeartbeatState(false)};Connection.prototype.setHeartbeatState=function(state){if(this.heartbeatState===state)return;this.heartbeatState=state;this.emit(this.heartbeatState?"focus":"blur")};_.extend(Connection.prototype,EventEmitter.prototype)},{"./protocol":23,events:8,underscore:22}],23:[function(require,module,exports){var Frame=require("./frame").Frame,util=require("util");var JSONProtocol=function(version){var protocol=function(data){return new Frame(data)};protocol.encode=function(message){return util.format("%j",message)};protocol.version=version;protocol.versionLong="Version "+version;protocol.type="protocol";return protocol};var chooseProtocol=exports.chooseProtocol=function(header){var protocol;switch(header.version){case 1:protocol=JSONProtocol(1);break;case 2:protocol=JSONProtocol(2);protocol.sendHeartbeat=function(connection){connection.send(protocol.encode({heartbeat:true}))};break;default:throw"unrecognized version"}return protocol}},{"./frame":11,util:24}],24:[function(require,module,exports){var events=require("events");exports.isArray=isArray;exports.isDate=function(obj){return Object.prototype.toString.call(obj)==="[object Date]"};exports.isRegExp=function(obj){return Object.prototype.toString.call(obj)==="[object RegExp]"};exports.print=function(){};exports.puts=function(){};exports.debug=function(){};exports.inspect=function(obj,showHidden,depth,colors){var seen=[];var stylize=function(str,styleType){var styles={bold:[1,22],italic:[3,23],underline:[4,24],inverse:[7,27],white:[37,39],grey:[90,39],black:[30,39],blue:[34,39],cyan:[36,39],green:[32,39],magenta:[35,39],red:[31,39],yellow:[33,39]};var style={special:"cyan",number:"blue","boolean":"yellow",undefined:"grey","null":"bold",string:"green",date:"magenta",regexp:"red"}[styleType];if(style){return"["+styles[style][0]+"m"+str+"["+styles[style][1]+"m"}else{return str}};if(!colors){stylize=function(str,styleType){return str}}function format(value,recurseTimes){if(value&&typeof value.inspect==="function"&&value!==exports&&!(value.constructor&&value.constructor.prototype===value)){return value.inspect(recurseTimes)}switch(typeof value){case"undefined":return stylize("undefined","undefined");case"string":var simple="'"+JSON.stringify(value).replace(/^"|"$/g,"").replace(/'/g,"\\'").replace(/\\"/g,'"')+"'";return stylize(simple,"string");case"number":return stylize(""+value,"number");case"boolean":return stylize(""+value,"boolean")}if(value===null){return stylize("null","null")}var visible_keys=Object_keys(value);var keys=showHidden?Object_getOwnPropertyNames(value):visible_keys;if(typeof value==="function"&&keys.length===0){if(isRegExp(value)){return stylize(""+value,"regexp")}else{var name=value.name?": "+value.name:"";return stylize("[Function"+name+"]","special")}}if(isDate(value)&&keys.length===0){return stylize(value.toUTCString(),"date")}var base,type,braces;if(isArray(value)){type="Array";braces=["[","]"]}else{type="Object";braces=["{","}"]}if(typeof value==="function"){var n=value.name?": "+value.name:"";base=isRegExp(value)?" "+value:" [Function"+n+"]"}else{base=""}if(isDate(value)){base=" "+value.toUTCString()}if(keys.length===0){return braces[0]+base+braces[1]}if(recurseTimes<0){if(isRegExp(value)){return stylize(""+value,"regexp")}else{return stylize("[Object]","special")}}seen.push(value);var output=keys.map(function(key){var name,str;if(value.__lookupGetter__){if(value.__lookupGetter__(key)){if(value.__lookupSetter__(key)){str=stylize("[Getter/Setter]","special")}else{str=stylize("[Getter]","special")}}else{if(value.__lookupSetter__(key)){str=stylize("[Setter]","special")}}}if(visible_keys.indexOf(key)<0){name="["+key+"]"}if(!str){if(seen.indexOf(value[key])<0){if(recurseTimes===null){str=format(value[key])}else{str=format(value[key],recurseTimes-1)}if(str.indexOf("\n")>-1){if(isArray(value)){str=str.split("\n").map(function(line){return" "+line}).join("\n").substr(2)}else{str="\n"+str.split("\n").map(function(line){return" "+line}).join("\n")}}}else{str=stylize("[Circular]","special")}}if(typeof name==="undefined"){if(type==="Array"&&key.match(/^\d+$/)){return str}name=JSON.stringify(""+key);if(name.match(/^"([a-zA-Z_][a-zA-Z_0-9]*)"$/)){name=name.substr(1,name.length-2);name=stylize(name,"name")}else{name=name.replace(/'/g,"\\'").replace(/\\"/g,'"').replace(/(^"|"$)/g,"'");name=stylize(name,"string")}}return name+": "+str});seen.pop();var numLinesEst=0;var length=output.reduce(function(prev,cur){numLinesEst++;if(cur.indexOf("\n")>=0)numLinesEst++;return prev+cur.length+1},0);if(length>50){output=braces[0]+(base===""?"":base+"\n ")+" "+output.join(",\n ")+" "+braces[1]}else{output=braces[0]+base+" "+output.join(", ")+" "+braces[1]}return output}return format(obj,typeof depth==="undefined"?2:depth)};function isArray(ar){return ar instanceof Array||Array.isArray(ar)||ar&&ar!==Object.prototype&&isArray(ar.__proto__)}function isRegExp(re){return re instanceof RegExp||typeof re==="object"&&Object.prototype.toString.call(re)==="[object RegExp]"}function isDate(d){if(d instanceof Date)return true;if(typeof d!=="object")return false;var properties=Date.prototype&&Object_getOwnPropertyNames(Date.prototype);var proto=d.__proto__&&Object_getOwnPropertyNames(d.__proto__);return JSON.stringify(proto)===JSON.stringify(properties)}function pad(n){return n<10?"0"+n.toString(10):n.toString(10)}var months=["Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"];function timestamp(){var d=new Date;var time=[pad(d.getHours()),pad(d.getMinutes()),pad(d.getSeconds())].join(":");return[d.getDate(),months[d.getMonth()],time].join(" ")}exports.log=function(msg){};exports.pump=null;var Object_keys=Object.keys||function(obj){var res=[];for(var key in obj)res.push(key);return res};var Object_getOwnPropertyNames=Object.getOwnPropertyNames||function(obj){var res=[];for(var key in obj){if(Object.hasOwnProperty.call(obj,key))res.push(key)}return res};var Object_create=Object.create||function(prototype,properties){var object;if(prototype===null){object={__proto__:null}}else{if(typeof prototype!=="object"){throw new TypeError("typeof prototype["+typeof prototype+"] != 'object'")}var Type=function(){};Type.prototype=prototype;object=new Type;object.__proto__=prototype}if(typeof properties!=="undefined"&&Object.defineProperties){Object.defineProperties(object,properties)}return object};exports.inherits=function(ctor,superCtor){ctor.super_=superCtor;ctor.prototype=Object_create(superCtor.prototype,{constructor:{value:ctor,enumerable:false,writable:true,configurable:true}})};var formatRegExp=/%[sdj%]/g;exports.format=function(f){if(typeof f!=="string"){var objects=[];for(var i=0;i<arguments.length;i++){objects.push(exports.inspect(arguments[i]))}return objects.join(" ")}var i=1;var args=arguments;var len=args.length;var str=String(f).replace(formatRegExp,function(x){if(x==="%%")return"%";if(i>=len)return x;switch(x){case"%s":return String(args[i++]);case"%d":return Number(args[i++]);case"%j":return JSON.stringify(args[i++]);
default:return x}});for(var x=args[i];i<len;x=args[++i]){if(x===null||typeof x!=="object"){str+=" "+x}else{str+=" "+exports.inspect(x)}}return str}},{events:8}],20:[function(require,module,exports){var EventEmitter=require("events").EventEmitter,_=require("underscore");var Region=exports.Region=function(start,end){this.start=new Vector(start);this.end=new Vector(end);this.enteredFrame=null};Region.prototype.hasPointables=function(frame){for(var i=0;i!=frame.pointables.length;i++){var position=frame.pointables[i].tipPosition;if(position.x>=this.start.x&&position.x<=this.end.x&&position.y>=this.start.y&&position.y<=this.end.y&&position.z>=this.start.z&&position.z<=this.end.z){return true}}return false};Region.prototype.listener=function(opts){var region=this;if(opts&&opts.nearThreshold)this.setupNearRegion(opts.nearThreshold);return function(frame){return region.updatePosition(frame)}};Region.prototype.clipper=function(){var region=this;return function(frame){region.updatePosition(frame);return region.enteredFrame?frame:null}};Region.prototype.setupNearRegion=function(distance){var nearRegion=this.nearRegion=new Region([this.start.x-distance,this.start.y-distance,this.start.z-distance],[this.end.x+distance,this.end.y+distance,this.end.z+distance]);var region=this;nearRegion.on("enter",function(frame){region.emit("near",frame)});nearRegion.on("exit",function(frame){region.emit("far",frame)});region.on("exit",function(frame){region.emit("near",frame)})};Region.prototype.updatePosition=function(frame){if(this.nearRegion)this.nearRegion.updatePosition(frame);if(this.hasPointables(frame)&&this.enteredFrame==null){this.enteredFrame=frame;this.emit("enter",this.enteredFrame)}else if(!this.hasPointables(frame)&&this.enteredFrame!=null){this.enteredFrame=null;this.emit("exit",this.enteredFrame)}return frame};Region.prototype.normalize=function(position){return new Vector([(position.x-this.start.x)/(this.end.x-this.start.x),(position.y-this.start.y)/(this.end.y-this.start.y),(position.z-this.start.z)/(this.end.z-this.start.z)])};Region.prototype.mapToXY=function(position,width,height){var normalized=this.normalize(position);var x=normalized.x,y=normalized.y;if(x>1)x=1;else if(x<-1)x=-1;if(y>1)y=1;else if(y<-1)y=-1;return[(x+1)/2*width,(1-y)/2*height,normalized.z]};_.extend(Region.prototype,EventEmitter.prototype)},{events:8,underscore:22}]},{},[1,2,3]);