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leap-0.6.0.min.js
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leap-0.6.0.min.js
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/*!
* LeapJS v0.6.0
* http://github.com/leapmotion/leapjs/
*
* Copyright 2013 LeapMotion, Inc. and other contributors
* Released under the BSD-2-Clause license
* http://github.com/leapmotion/leapjs/blob/master/LICENSE.txt
*/
!function(a,b,c){function d(c,f){if(!b[c]){if(!a[c]){var g="function"==typeof require&&require;if(!f&&g)return g(c,!0);if(e)return e(c,!0);throw new Error("Cannot find module '"+c+"'")}var h=b[c]={exports:{}};a[c][0].call(h.exports,function(b){var e=a[c][1][b];return d(e?e:b)},h,h.exports)}return b[c].exports}for(var e="function"==typeof require&&require,f=0;f<c.length;f++)d(c[f]);return d}({1:[function(a,b){var c=(a("./pointable"),a("gl-matrix")),d=c.vec3,e=c.mat3,f=c.mat4,g=(a("underscore"),b.exports=function(a,b){this.finger=a,this._center=null,this._matrix=null,this.type=b.type,this.prevJoint=b.prevJoint,this.nextJoint=b.nextJoint,this.width=b.width;var c=new Array(3);d.sub(c,b.nextJoint,b.prevJoint),this.length=d.length(c),this.basis=b.basis});g.prototype.left=function(){return this._left?this._left:(this._left=e.determinant(this.basis[0].concat(this.basis[1]).concat(this.basis[2]))<0,this._left)},g.prototype.matrix=function(){if(this._matrix)return this._matrix;var a=this.basis,b=this._matrix=f.create();return b[0]=a[0][0],b[1]=a[0][1],b[2]=a[0][2],b[4]=a[1][0],b[5]=a[1][1],b[6]=a[1][2],b[8]=a[2][0],b[9]=a[2][1],b[10]=a[2][2],b[3]=this.center()[0],b[7]=this.center()[1],b[11]=this.center()[2],this.left()&&(b[0]*=-1,b[1]*=-1,b[2]*=-1),this._matrix},g.prototype.lerp=function(a,b){d.lerp(a,this.prevJoint,this.nextJoint,b)},g.prototype.center=function(){if(this._center)return this._center;var a=d.create();return this.lerp(a,.5),this._center=a,a},g.prototype.direction=function(){return[-1*this.basis[2][0],-1*this.basis[2][1],-1*this.basis[2][2]]}},{"./pointable":14,"gl-matrix":23,underscore:24}],2:[function(a,b){var c=b.exports=function(a){this.pos=0,this._buf=[],this.size=a};c.prototype.get=function(a){return void 0==a&&(a=0),a>=this.size?void 0:a>=this._buf.length?void 0:this._buf[(this.pos-a-1)%this.size]},c.prototype.push=function(a){return this._buf[this.pos%this.size]=a,this.pos++}},{}],3:[function(a,b){var c=a("../protocol").chooseProtocol,d=a("events").EventEmitter,e=a("underscore"),f=b.exports=function(a){this.opts=e.defaults(a||{},{host:"127.0.0.1",enableGestures:!1,port:6437,background:!1,requestProtocolVersion:f.defaultProtocolVersion}),this.host=this.opts.host,this.port=this.opts.port,this.protocolVersionVerified=!1,this.on("ready",function(){this.enableGestures(this.opts.enableGestures),this.setBackground(this.opts.background)})};f.defaultProtocolVersion=6,f.prototype.getUrl=function(){return"ws://"+this.host+":"+this.port+"/v"+this.opts.requestProtocolVersion+".json"},f.prototype.setBackground=function(a){this.opts.background=a,this.protocol&&this.protocol.sendBackground&&this.background!==this.opts.background&&(this.background=this.opts.background,this.protocol.sendBackground(this,this.opts.background))},f.prototype.handleOpen=function(){this.connected||(this.connected=!0,this.emit("connect"))},f.prototype.enableGestures=function(a){this.gesturesEnabled=a?!0:!1,this.send(this.protocol.encode({enableGestures:this.gesturesEnabled}))},f.prototype.handleClose=function(a){this.connected&&(this.disconnect(),1001===a&&this.opts.requestProtocolVersion>1&&(this.protocolVersionVerified?this.protocolVersionVerified=!1:this.opts.requestProtocolVersion--),this.startReconnection())},f.prototype.startReconnection=function(){var a=this;this.reconnectionTimer||(this.reconnectionTimer=setInterval(function(){a.reconnect()},500))},f.prototype.stopReconnection=function(){this.reconnectionTimer=clearInterval(this.reconnectionTimer)},f.prototype.disconnect=function(a){return a||this.stopReconnection(),this.socket?(this.socket.close(),delete this.socket,delete this.protocol,delete this.background,delete this.focusedState,this.connected&&(this.connected=!1,this.emit("disconnect")),!0):void 0},f.prototype.reconnect=function(){this.connected?this.stopReconnection():(this.disconnect(!0),this.connect())},f.prototype.handleData=function(a){var b,d=JSON.parse(a);void 0===this.protocol?(b=this.protocol=c(d),this.protocolVersionVerified=!0,this.emit("ready")):b=this.protocol(d),this.emit(b.type,b)},f.prototype.connect=function(){return this.socket?void 0:(this.socket=this.setupSocket(),!0)},f.prototype.send=function(a){this.socket.send(a)},f.prototype.reportFocus=function(a){this.connected&&this.focusedState!==a&&(this.focusedState=a,this.emit(this.focusedState?"focus":"blur"),this.protocol&&this.protocol.sendFocused&&this.protocol.sendFocused(this,this.focusedState))},e.extend(f.prototype,d.prototype)},{"../protocol":15,events:21,underscore:24}],4:[function(a,b){var c=b.exports=a("./base"),d=a("underscore"),e=b.exports=function(a){c.call(this,a);var b=this;this.on("ready",function(){b.startFocusLoop()}),this.on("disconnect",function(){b.stopFocusLoop()})};d.extend(e.prototype,c.prototype),e.__proto__=c,e.prototype.setupSocket=function(){var a=this,b=new WebSocket(this.getUrl());return b.onopen=function(){a.handleOpen()},b.onclose=function(b){a.handleClose(b.code,b.reason)},b.onmessage=function(b){a.handleData(b.data)},b},e.prototype.startFocusLoop=function(){if(!this.focusDetectorTimer){var a=this,b=null;b="undefined"!=typeof document.hidden?"hidden":"undefined"!=typeof document.mozHidden?"mozHidden":"undefined"!=typeof document.msHidden?"msHidden":"undefined"!=typeof document.webkitHidden?"webkitHidden":void 0,void 0===a.windowVisible&&(a.windowVisible=void 0===b?!0:document[b]===!1);var c=window.addEventListener("focus",function(){a.windowVisible=!0,e()}),d=window.addEventListener("blur",function(){a.windowVisible=!1,e()});this.on("disconnect",function(){window.removeEventListener("focus",c),window.removeEventListener("blur",d)});var e=function(){var c=void 0===b?!0:document[b]===!1;a.reportFocus(c&&a.windowVisible)};e(),this.focusDetectorTimer=setInterval(e,100)}},e.prototype.stopFocusLoop=function(){this.focusDetectorTimer&&(clearTimeout(this.focusDetectorTimer),delete this.focusDetectorTimer)}},{"./base":3,underscore:24}],5:[function(a,b){var c=a("__browserify_process"),d=a("./frame"),e=a("./hand"),f=a("./pointable"),g=a("./finger"),h=a("./circular_buffer"),i=a("./pipeline"),j=a("events").EventEmitter,k=a("./gesture").gestureListener,l=a("./dialog"),m=a("underscore"),n=b.exports=function(b){var e="undefined"!=typeof c&&c.versions&&c.versions.node,f=this;b=m.defaults(b||{},{inNode:e}),this.inNode=b.inNode,b=m.defaults(b||{},{frameEventName:this.useAnimationLoop()?"animationFrame":"deviceFrame",suppressAnimationLoop:!this.useAnimationLoop(),loopWhileDisconnected:!1,useAllPlugins:!1,checkVersion:!0}),this.animationFrameRequested=!1,this.onAnimationFrame=function(){f.emit("animationFrame",f.lastConnectionFrame),f.loopWhileDisconnected&&(f.connection.focusedState||f.connection.opts.background)?window.requestAnimationFrame(f.onAnimationFrame):f.animationFrameRequested=!1},this.suppressAnimationLoop=b.suppressAnimationLoop,this.loopWhileDisconnected=b.loopWhileDisconnected,this.frameEventName=b.frameEventName,this.useAllPlugins=b.useAllPlugins,this.history=new h(200),this.lastFrame=d.Invalid,this.lastValidFrame=d.Invalid,this.lastConnectionFrame=d.Invalid,this.accumulatedGestures=[],this.checkVersion=b.checkVersion,this.connectionType=void 0===b.connectionType?a(this.inBrowser()?"./connection/browser":"./connection/node"):b.connectionType,this.connection=new this.connectionType(b),this.streamingCount=0,this.devices={},this.plugins={},this._pluginPipelineSteps={},this._pluginExtendedMethods={},b.useAllPlugins&&this.useRegisteredPlugins(),this.setupFrameEvents(b),this.setupConnectionEvents()};n.prototype.gesture=function(a,b){var c=k(this,a);return void 0!==b&&c.stop(b),c},n.prototype.setBackground=function(a){return this.connection.setBackground(a),this},n.prototype.inBrowser=function(){return!this.inNode},n.prototype.useAnimationLoop=function(){return this.inBrowser()&&!this.inBackgroundPage()},n.prototype.inBackgroundPage=function(){return"undefined"!=typeof chrome&&chrome.extension&&chrome.extension.getBackgroundPage&&chrome.extension.getBackgroundPage()===window},n.prototype.connect=function(){return this.connection.connect(),this},n.prototype.streaming=function(){return this.streamingCount>0},n.prototype.connected=function(){return!!this.connection.connected},n.prototype.runAnimationLoop=function(){this.suppressAnimationLoop||this.animationFrameRequested||(this.animationFrameRequested=!0,window.requestAnimationFrame(this.onAnimationFrame))},n.prototype.disconnect=function(){return this.connection.disconnect(),this},n.prototype.frame=function(a){return this.history.get(a)||d.Invalid},n.prototype.loop=function(a){return a&&("function"==typeof a?this.on(this.frameEventName,a):this.setupFrameEvents(a)),this.connect()},n.prototype.addStep=function(a){this.pipeline||(this.pipeline=new i(this)),this.pipeline.addStep(a)},n.prototype.processFrame=function(a){a.gestures&&(this.accumulatedGestures=this.accumulatedGestures.concat(a.gestures)),this.lastConnectionFrame=a,this.runAnimationLoop(),this.emit("deviceFrame",a)},n.prototype.processFinishedFrame=function(a){if(this.lastFrame=a,a.valid&&(this.lastValidFrame=a),a.controller=this,a.historyIdx=this.history.push(a),a.gestures){a.gestures=this.accumulatedGestures,this.accumulatedGestures=[];for(var b=0;b!=a.gestures.length;b++)this.emit("gesture",a.gestures[b],a)}this.pipeline&&(a=this.pipeline.run(a),a||(a=d.Invalid)),this.emit("frame",a),this.emitHandEvents(a)},n.prototype.emitHandEvents=function(a){for(var b=0;b<a.hands.length;b++)this.emit("hand",a.hands[b])},n.prototype.setupFrameEvents=function(a){a.frame&&this.on("frame",a.frame),a.hand&&this.on("hand",a.hand)},n.prototype.setupConnectionEvents=function(){var a=this;this.connection.on("frame",function(b){a.processFrame(b)}),this.on(this.frameEventName,function(b){a.processFinishedFrame(b)});var b=function(){if(a.connection.opts.requestProtocolVersion<5&&0==a.streamingCount){a.streamingCount=1;var c={attached:!0,streaming:!0,type:"unknown",id:"Lx00000000000"};a.devices[c.id]=c,a.emit("deviceAttached",c),a.emit("deviceStreaming",c),a.emit("streamingStarted",c),a.connection.removeListener("frame",b)}},c=function(){if(a.streamingCount>0){for(var b in a.devices)a.emit("deviceStopped",a.devices[b]),a.emit("deviceRemoved",a.devices[b]);a.emit("streamingStopped",a.devices[b]),a.streamingCount=0;for(var b in a.devices)delete a.devices[b]}};this.connection.on("focus",function(){a.emit("focus"),a.runAnimationLoop()}),this.connection.on("blur",function(){a.emit("blur")}),this.connection.on("protocol",function(b){a.emit("protocol",b)}),this.connection.on("ready",function(){a.checkVersion&&!a.inNode&&a.checkOutOfDate(),a.emit("ready")}),this.connection.on("connect",function(){a.emit("connect"),a.connection.removeListener("frame",b),a.connection.on("frame",b)}),this.connection.on("disconnect",function(){a.emit("disconnect"),c()}),this.connection.on("deviceConnect",function(d){d.state?(a.emit("deviceConnected"),a.connection.removeListener("frame",b),a.connection.on("frame",b)):(a.emit("deviceDisconnected"),c())}),this.connection.on("deviceEvent",function(b){var c=b.state,d=a.devices[c.id],e={};for(var f in c)d&&d.hasOwnProperty(f)&&d[f]==c[f]||(e[f]=!0);a.devices[c.id]=c,e.attached&&a.emit(c.attached?"deviceAttached":"deviceRemoved",c),e.streaming&&(c.streaming?(a.streamingCount++,a.emit("deviceStreaming",c),1==a.streamingCount&&a.emit("streamingStarted",c),e.attached||a.emit("deviceConnected")):e.attached&&c.attached||(a.streamingCount--,a.emit("deviceStopped",c),0==a.streamingCount&&a.emit("streamingStopped",c),a.emit("deviceDisconnected")))}),this.on("newListener",function(a){("deviceConnected"==a||"deviceDisconnected"==a)&&console.warn(a+" events are depricated. Consider using 'streamingStarted/streamingStopped' or 'deviceStreaming/deviceStopped' instead")})},n.prototype.checkOutOfDate=function(){console.assert(this.connection&&this.connection.protocol);var a=this.connection.protocol.serviceVersion,b=this.connection.protocol.version,c=this.connectionType.defaultProtocolVersion;return c>b?(console.warn("Your Protocol Version is v"+b+", this app was designed for v"+c),l.warnOutOfDate({sV:a,pV:b}),!0):!1},n._pluginFactories={},n.plugin=function(a,b){return this._pluginFactories[a]&&console.warn('Plugin "'+a+'" already registered'),this._pluginFactories[a]=b},n.plugins=function(){return m.keys(this._pluginFactories)},n.prototype.use=function(a,b){var c,h,j,k,l;if(h="function"==typeof a?a:n._pluginFactories[a],!h)throw"Leap Plugin "+a+" not found.";if(b||(b={}),this.plugins[a])return m.extend(this.plugins[a],b),this;this.plugins[a]=b,k=h.call(this,b);for(j in k)if(c=k[j],"function"==typeof c)this.pipeline||(this.pipeline=new i(this)),this._pluginPipelineSteps[a]||(this._pluginPipelineSteps[a]=[]),this._pluginPipelineSteps[a].push(this.pipeline.addWrappedStep(j,c));else{switch(this._pluginExtendedMethods[a]||(this._pluginExtendedMethods[a]=[]),j){case"frame":l=d;break;case"hand":l=e;break;case"pointable":l=f,m.extend(g.prototype,c),m.extend(g.Invalid,c);break;case"finger":l=g;break;default:throw a+' specifies invalid object type "'+j+'" for prototypical extension'}m.extend(l.prototype,c),m.extend(l.Invalid,c),this._pluginExtendedMethods[a].push([l,c])}return this},n.prototype.stopUsing=function(a){var b,c,d=this._pluginPipelineSteps[a],e=this._pluginExtendedMethods[a],f=0;if(this.plugins[a]){if(d)for(f=0;f<d.length;f++)this.pipeline.removeStep(d[f]);if(e)for(f=0;f<e.length;f++){b=e[f][0],c=e[f][1];for(var g in c)delete b.prototype[g],delete b.Invalid[g]}return delete this.plugins[a],this}},n.prototype.useRegisteredPlugins=function(){for(var a in n._pluginFactories)this.use(a)},m.extend(n.prototype,j.prototype)},{"./circular_buffer":2,"./connection/browser":4,"./connection/node":20,"./dialog":6,"./finger":7,"./frame":8,"./gesture":9,"./hand":10,"./pipeline":13,"./pointable":14,__browserify_process:22,events:21,underscore:24}],6:[function(a,b){var c=a("__browserify_process"),d=b.exports=function(a,b){this.options=b||{},this.message=a,this.createElement()};d.prototype.createElement=function(){this.element=document.createElement("div"),this.element.className="leapjs-dialog",this.element.style.position="fixed",this.element.style.top="8px",this.element.style.left=0,this.element.style.right=0,this.element.style.textAlign="center",this.element.style.zIndex=1e3;var a=document.createElement("div");this.element.appendChild(a),a.style.display="inline-block",a.style.margin="auto",a.style.padding="8px",a.style.color="#222",a.style.background="#eee",a.style.borderRadius="4px",a.style.border="1px solid #999",a.style.textAlign="left",a.style.cursor="pointer",a.style.whiteSpace="nowrap",a.style.transition="box-shadow 1s linear",a.innerHTML=this.message,this.options.onclick&&a.addEventListener("click",this.options.onclick),this.options.onmouseover&&a.addEventListener("mouseover",this.options.onmouseover),this.options.onmouseout&&a.addEventListener("mouseout",this.options.onmouseout),this.options.onmousemove&&a.addEventListener("mousemove",this.options.onmousemove)},d.prototype.show=function(){return document.body.appendChild(this.element),this},d.prototype.hide=function(){return document.body.removeChild(this.element),this},d.warnOutOfDate=function(a){a||(a={});var b="http://developer.leapmotion.com?";a.returnTo=window.location.href;for(var c in a)b+=c+"="+encodeURIComponent(a[c])+"&";var e,f=function(a){if("leapjs-decline-upgrade"!=a.target.id){var c=window.open(b,"_blank","height=800,width=1000,location=1,menubar=1,resizable=1,status=1,toolbar=1,scrollbars=1");window.focus&&c.focus()}return e.hide(),!0},g="This site requires Leap Motion Tracking Beta, now available for developers.<button id='leapjs-accept-upgrade' style='color: #444; transition: box-shadow 100ms linear; cursor: pointer; vertical-align: baseline; margin-left: 16px;'>Upgrade</button><button id='leapjs-decline-upgrade' style='color: #444; transition: box-shadow 100ms linear; cursor: pointer; vertical-align: baseline; margin-left: 8px; '>Not Now</button>";return e=new d(g,{onclick:f,onmousemove:function(a){a.target==document.getElementById("leapjs-decline-upgrade")?(document.getElementById("leapjs-decline-upgrade").style.color="#000",document.getElementById("leapjs-decline-upgrade").style.boxShadow="0px 0px 2px #5daa00",document.getElementById("leapjs-accept-upgrade").style.color="#444",document.getElementById("leapjs-accept-upgrade").style.boxShadow="none"):(document.getElementById("leapjs-accept-upgrade").style.color="#000",document.getElementById("leapjs-accept-upgrade").style.boxShadow="0px 0px 2px #5daa00",document.getElementById("leapjs-decline-upgrade").style.color="#444",document.getElementById("leapjs-decline-upgrade").style.boxShadow="none")},onmouseout:function(){document.getElementById("leapjs-decline-upgrade").style.color="#444",document.getElementById("leapjs-decline-upgrade").style.boxShadow="none",document.getElementById("leapjs-accept-upgrade").style.color="#444",document.getElementById("leapjs-accept-upgrade").style.boxShadow="none"}}),e.show()},d.hasWarnedBones=!1,d.warnBones=function(){this.hasWarnedBones||(this.hasWarnedBones=!0,console.warn("Your Leap Service is out of date"),"undefined"!=typeof c&&c.versions&&c.versions.node||this.warnOutOfDate({reason:"bones"}))}},{__browserify_process:22}],7:[function(a,b){var c=a("./pointable"),d=a("./bone"),e=a("./dialog"),f=a("underscore"),g=b.exports=function(a){c.call(this,a),this.dipPosition=a.dipPosition,this.pipPosition=a.pipPosition,this.mcpPosition=a.mcpPosition,this.carpPosition=a.carpPosition,this.extended=a.extended,this.type=a.type,this.finger=!0,this.positions=[this.carpPosition,this.mcpPosition,this.pipPosition,this.dipPosition,this.tipPosition],a.bases?this.addBones(a):e.warnBones()};f.extend(g.prototype,c.prototype),g.prototype.addBones=function(a){this.metacarpal=new d(this,{type:0,width:this.width,prevJoint:this.carpPosition,nextJoint:this.mcpPosition,basis:a.bases[0]}),this.proximal=new d(this,{type:1,width:this.width,prevJoint:this.mcpPosition,nextJoint:this.pipPosition,basis:a.bases[1]}),this.medial=new d(this,{type:2,width:this.width,prevJoint:this.pipPosition,nextJoint:this.dipPosition,basis:a.bases[2]}),this.distal=new d(this,{type:3,width:this.width,prevJoint:this.dipPosition,nextJoint:a.btipPosition,basis:a.bases[3]}),this.bones=[this.metacarpal,this.proximal,this.medial,this.distal]},g.prototype.toString=function(){return"Finger [ id:"+this.id+" "+this.length+"mmx | width:"+this.width+"mm | direction:"+this.direction+" ]"},g.Invalid={valid:!1}},{"./bone":1,"./dialog":6,"./pointable":14,underscore:24}],8:[function(a,b){var c=a("./hand"),d=a("./pointable"),e=a("./gesture").createGesture,f=a("gl-matrix"),g=f.mat3,h=f.vec3,i=a("./interaction_box"),j=a("./finger"),k=a("underscore"),l=b.exports=function(a){if(this.valid=!0,this.id=a.id,this.timestamp=a.timestamp,this.hands=[],this.handsMap={},this.pointables=[],this.tools=[],this.fingers=[],a.interactionBox&&(this.interactionBox=new i(a.interactionBox)),this.gestures=[],this.pointablesMap={},this._translation=a.t,this._rotation=k.flatten(a.r),this._scaleFactor=a.s,this.data=a,this.type="frame",this.currentFrameRate=a.currentFrameRate,a.gestures)for(var b=0,c=a.gestures.length;b!=c;b++)this.gestures.push(e(a.gestures[b]));this.postprocessData(a)};l.prototype.postprocessData=function(a){a||(a=this.data);for(var b=0,e=a.hands.length;b!=e;b++){var f=new c(a.hands[b]);f.frame=this,this.hands.push(f),this.handsMap[f.id]=f}a.pointables=k.sortBy(a.pointables,function(a){return a.id});for(var g=0,h=a.pointables.length;g!=h;g++){var i=a.pointables[g],l=i.dipPosition?new j(i):new d(i);l.frame=this,this.addPointable(l)}},l.prototype.addPointable=function(a){if(this.pointables.push(a),this.pointablesMap[a.id]=a,(a.tool?this.tools:this.fingers).push(a),void 0!==a.handId&&this.handsMap.hasOwnProperty(a.handId)){var b=this.handsMap[a.handId];switch(b.pointables.push(a),(a.tool?b.tools:b.fingers).push(a),a.type){case 0:b.thumb=a;break;case 1:b.indexFinger=a;break;case 2:b.middleFinger=a;break;case 3:b.ringFinger=a;break;case 4:b.pinky=a}}},l.prototype.tool=function(a){var b=this.pointable(a);return b.tool?b:d.Invalid},l.prototype.pointable=function(a){return this.pointablesMap[a]||d.Invalid},l.prototype.finger=function(a){var b=this.pointable(a);return b.tool?d.Invalid:b},l.prototype.hand=function(a){return this.handsMap[a]||c.Invalid},l.prototype.rotationAngle=function(a,b){if(!this.valid||!a.valid)return 0;var c=this.rotationMatrix(a),d=.5*(c[0]+c[4]+c[8]-1),e=Math.acos(d);if(e=isNaN(e)?0:e,void 0!==b){var f=this.rotationAxis(a);e*=h.dot(f,h.normalize(h.create(),b))}return e},l.prototype.rotationAxis=function(a){return this.valid&&a.valid?h.normalize(h.create(),[this._rotation[7]-a._rotation[5],this._rotation[2]-a._rotation[6],this._rotation[3]-a._rotation[1]]):h.create()},l.prototype.rotationMatrix=function(a){if(!this.valid||!a.valid)return g.create();var b=g.transpose(g.create(),this._rotation);return g.multiply(g.create(),a._rotation,b)},l.prototype.scaleFactor=function(a){return this.valid&&a.valid?Math.exp(this._scaleFactor-a._scaleFactor):1},l.prototype.translation=function(a){return this.valid&&a.valid?h.subtract(h.create(),this._translation,a._translation):h.create()},l.prototype.toString=function(){var a="Frame [ id:"+this.id+" | timestamp:"+this.timestamp+" | Hand count:("+this.hands.length+") | Pointable count:("+this.pointables.length+")";return this.gestures&&(a+=" | Gesture count:("+this.gestures.length+")"),a+=" ]"},l.prototype.dump=function(){var a="";a+="Frame Info:<br/>",a+=this.toString(),a+="<br/><br/>Hands:<br/>";for(var b=0,c=this.hands.length;b!=c;b++)a+=" "+this.hands[b].toString()+"<br/>";a+="<br/><br/>Pointables:<br/>";for(var d=0,e=this.pointables.length;d!=e;d++)a+=" "+this.pointables[d].toString()+"<br/>";if(this.gestures){a+="<br/><br/>Gestures:<br/>";for(var f=0,g=this.gestures.length;f!=g;f++)a+=" "+this.gestures[f].toString()+"<br/>"}return a+="<br/><br/>Raw JSON:<br/>",a+=JSON.stringify(this.data)},l.Invalid={valid:!1,hands:[],fingers:[],tools:[],gestures:[],pointables:[],pointable:function(){return d.Invalid},finger:function(){return d.Invalid},hand:function(){return c.Invalid},toString:function(){return"invalid frame"},dump:function(){return this.toString()},rotationAngle:function(){return 0},rotationMatrix:function(){return g.create()},rotationAxis:function(){return h.create()},scaleFactor:function(){return 1},translation:function(){return h.create()}}},{"./finger":7,"./gesture":9,"./hand":10,"./interaction_box":12,"./pointable":14,"gl-matrix":23,underscore:24}],9:[function(a,b,c){var d=a("gl-matrix"),e=d.vec3,f=a("events").EventEmitter,g=a("underscore"),h=(c.createGesture=function(a){var b;switch(a.type){case"circle":b=new i(a);break;case"swipe":b=new j(a);break;case"screenTap":b=new k(a);break;case"keyTap":b=new l(a);break;default:throw"unknown gesture type"}return b.id=a.id,b.handIds=a.handIds.slice(),b.pointableIds=a.pointableIds.slice(),b.duration=a.duration,b.state=a.state,b.type=a.type,b},c.gestureListener=function(a,b){var c={},d={};a.on("gesture",function(a,e){if(a.type==b){if(("start"==a.state||"stop"==a.state)&&void 0===d[a.id]){var f=new h(a,e);d[a.id]=f,g.each(c,function(a,b){f.on(b,a)})}d[a.id].update(a,e),"stop"==a.state&&delete d[a.id]}});var e={start:function(a){return c.start=a,e},stop:function(a){return c.stop=a,e},complete:function(a){return c.stop=a,e},update:function(a){return c.update=a,e}};return e},c.Gesture=function(a,b){this.gestures=[a],this.frames=[b]});h.prototype.update=function(a,b){this.lastGesture=a,this.lastFrame=b,this.gestures.push(a),this.frames.push(b),this.emit(a.state,this)},h.prototype.translation=function(){return e.subtract(e.create(),this.lastGesture.startPosition,this.lastGesture.position)},g.extend(h.prototype,f.prototype);var i=function(a){this.center=a.center,this.normal=a.normal,this.progress=a.progress,this.radius=a.radius};i.prototype.toString=function(){return"CircleGesture ["+JSON.stringify(this)+"]"};var j=function(a){this.startPosition=a.startPosition,this.position=a.position,this.direction=a.direction,this.speed=a.speed};j.prototype.toString=function(){return"SwipeGesture ["+JSON.stringify(this)+"]"};var k=function(a){this.position=a.position,this.direction=a.direction,this.progress=a.progress};k.prototype.toString=function(){return"ScreenTapGesture ["+JSON.stringify(this)+"]"};var l=function(a){this.position=a.position,this.direction=a.direction,this.progress=a.progress};l.prototype.toString=function(){return"KeyTapGesture ["+JSON.stringify(this)+"]"}},{events:21,"gl-matrix":23,underscore:24}],10:[function(a,b){var c=a("./pointable"),d=a("gl-matrix"),e=d.mat3,f=d.vec3,g=a("underscore"),h=b.exports=function(a){this.id=a.id,this.palmPosition=a.palmPosition,this.direction=a.direction,this.palmVelocity=a.palmVelocity,this.palmNormal=a.palmNormal,this.sphereCenter=a.sphereCenter,this.sphereRadius=a.sphereRadius,this.valid=!0,this.pointables=[],this.fingers=[],this.tools=[],this._translation=a.t,this._rotation=g.flatten(a.r),this._scaleFactor=a.s,this.timeVisible=a.timeVisible,this.stabilizedPalmPosition=a.stabilizedPalmPosition,this.type=a.type,this.grabStrength=a.grabStrength,this.pinchStrength=a.pinchStrength,this.confidence=a.confidence};h.prototype.finger=function(a){var b=this.frame.finger(a);return b&&b.handId==this.id?b:c.Invalid},h.prototype.rotationAngle=function(a,b){if(!this.valid||!a.valid)return 0;var c=a.hand(this.id);if(!c.valid)return 0;var d=this.rotationMatrix(a),e=.5*(d[0]+d[4]+d[8]-1),g=Math.acos(e);if(g=isNaN(g)?0:g,void 0!==b){var h=this.rotationAxis(a);g*=f.dot(h,f.normalize(f.create(),b))}return g},h.prototype.rotationAxis=function(a){if(!this.valid||!a.valid)return f.create();var b=a.hand(this.id);return b.valid?f.normalize(f.create(),[this._rotation[7]-b._rotation[5],this._rotation[2]-b._rotation[6],this._rotation[3]-b._rotation[1]]):f.create()},h.prototype.rotationMatrix=function(a){if(!this.valid||!a.valid)return e.create();var b=a.hand(this.id);if(!b.valid)return e.create();var c=e.transpose(e.create(),this._rotation),d=e.multiply(e.create(),b._rotation,c);return d},h.prototype.scaleFactor=function(a){if(!this.valid||!a.valid)return 1;var b=a.hand(this.id);return b.valid?Math.exp(this._scaleFactor-b._scaleFactor):1},h.prototype.translation=function(a){if(!this.valid||!a.valid)return f.create();var b=a.hand(this.id);return b.valid?[this._translation[0]-b._translation[0],this._translation[1]-b._translation[1],this._translation[2]-b._translation[2]]:f.create()},h.prototype.toString=function(){return"Hand ("+this.type+") [ id: "+this.id+" | palm velocity:"+this.palmVelocity+" | sphere center:"+this.sphereCenter+" ] "},h.prototype.pitch=function(){return Math.atan2(this.direction[1],-this.direction[2])},h.prototype.yaw=function(){return Math.atan2(this.direction[0],-this.direction[2])},h.prototype.roll=function(){return Math.atan2(this.palmNormal[0],-this.palmNormal[1])},h.Invalid={valid:!1,fingers:[],tools:[],pointables:[],left:!1,pointable:function(){return c.Invalid},finger:function(){return c.Invalid},toString:function(){return"invalid frame"},dump:function(){return this.toString()},rotationAngle:function(){return 0},rotationMatrix:function(){return e.create()},rotationAxis:function(){return f.create()},scaleFactor:function(){return 1},translation:function(){return f.create()}}},{"./pointable":14,"gl-matrix":23,underscore:24}],11:[function(a,b){b.exports={Controller:a("./controller"),Frame:a("./frame"),Gesture:a("./gesture"),Hand:a("./hand"),Pointable:a("./pointable"),Finger:a("./finger"),InteractionBox:a("./interaction_box"),CircularBuffer:a("./circular_buffer"),UI:a("./ui"),JSONProtocol:a("./protocol").JSONProtocol,glMatrix:a("gl-matrix"),mat3:a("gl-matrix").mat3,vec3:a("gl-matrix").vec3,loopController:void 0,version:a("./version.js"),loop:function(a,b){return void 0!==b||a.frame||a.hand||(b=a,a={}),this.loopController||(this.loopController=new this.Controller(a)),this.loopController.loop(b),this.loopController},plugin:function(a,b){this.Controller.plugin(a,b)}}},{"./circular_buffer":2,"./controller":5,"./finger":7,"./frame":8,"./gesture":9,"./hand":10,"./interaction_box":12,"./pointable":14,"./protocol":15,"./ui":16,"./version.js":19,"gl-matrix":23}],12:[function(a,b){var c=a("gl-matrix"),d=c.vec3,e=b.exports=function(a){this.valid=!0,this.center=a.center,this.size=a.size,this.width=a.size[0],this.height=a.size[1],this.depth=a.size[2]};e.prototype.denormalizePoint=function(a){return d.fromValues((a[0]-.5)*this.size[0]+this.center[0],(a[1]-.5)*this.size[1]+this.center[1],(a[2]-.5)*this.size[2]+this.center[2])},e.prototype.normalizePoint=function(a,b){var c=d.fromValues((a[0]-this.center[0])/this.size[0]+.5,(a[1]-this.center[1])/this.size[1]+.5,(a[2]-this.center[2])/this.size[2]+.5);return b&&(c[0]=Math.min(Math.max(c[0],0),1),c[1]=Math.min(Math.max(c[1],0),1),c[2]=Math.min(Math.max(c[2],0),1)),c},e.prototype.toString=function(){return"InteractionBox [ width:"+this.width+" | height:"+this.height+" | depth:"+this.depth+" ]"},e.Invalid={valid:!1}},{"gl-matrix":23}],13:[function(a,b){var c=b.exports=function(a){this.steps=[],this.controller=a};c.prototype.addStep=function(a){this.steps.push(a)},c.prototype.run=function(a){for(var b=this.steps.length,c=0;c!=b&&a;c++)a=this.steps[c](a);return a},c.prototype.removeStep=function(a){var b=this.steps.indexOf(a);if(-1===b)throw"Step not found in pipeline";this.steps.splice(b,1)},c.prototype.addWrappedStep=function(a,b){var c=this.controller,d=function(d){var e,f,g;for(e="frame"==a?[d]:d[a+"s"]||[],f=0,g=e.length;g>f;f++)b.call(c,e[f]);return d};return this.addStep(d),d}},{}],14:[function(a,b){var c=a("gl-matrix"),d=(c.vec3,b.exports=function(a){this.valid=!0,this.id=a.id,this.handId=a.handId,this.length=a.length,this.tool=a.tool,this.width=a.width,this.direction=a.direction,this.stabilizedTipPosition=a.stabilizedTipPosition,this.tipPosition=a.tipPosition,this.tipVelocity=a.tipVelocity,this.touchZone=a.touchZone,this.touchDistance=a.touchDistance,this.timeVisible=a.timeVisible});d.prototype.toString=function(){return"Pointable [ id:"+this.id+" "+this.length+"mmx | width:"+this.width+"mm | direction:"+this.direction+" ]"},d.prototype.hand=function(){return this.frame.hand(this.handId)},d.Invalid={valid:!1}},{"gl-matrix":23}],15:[function(a,b,c){var d=a("./frame"),e=(a("./hand"),a("./pointable"),a("./finger"),function(a){this.type=a.type,this.state=a.state});c.chooseProtocol=function(a){var b;switch(a.version){case 1:case 2:case 3:case 4:case 5:case 6:b=f(a),b.sendBackground=function(a,c){a.send(b.encode({background:c}))},b.sendFocused=function(a,c){a.send(b.encode({focused:c}))};break;default:throw"unrecognized version"}return b};var f=c.JSONProtocol=function(a){var b=function(a){if(a.event)return new e(a.event);var b=new d(a);return b};return b.encode=function(a){return JSON.stringify(a)},b.version=a.version,b.serviceVersion=a.serviceVersion,b.versionLong="Version "+a.version,b.type="protocol",b}},{"./finger":7,"./frame":8,"./hand":10,"./pointable":14}],16:[function(a,b,c){c.UI={Region:a("./ui/region"),Cursor:a("./ui/cursor")}},{"./ui/cursor":17,"./ui/region":18}],17:[function(a,b){b.exports=function(){return function(a){var b=a.pointables.sort(function(a,b){return a.z-b.z})[0];return b&&b.valid&&(a.cursorPosition=b.tipPosition),a}}},{}],18:[function(a,b){var c=a("events").EventEmitter,d=a("underscore"),e=b.exports=function(a,b){this.start=new Vector(a),this.end=new Vector(b),this.enteredFrame=null};e.prototype.hasPointables=function(a){for(var b=0;b!=a.pointables.length;b++){var c=a.pointables[b].tipPosition;if(c.x>=this.start.x&&c.x<=this.end.x&&c.y>=this.start.y&&c.y<=this.end.y&&c.z>=this.start.z&&c.z<=this.end.z)return!0}return!1},e.prototype.listener=function(a){var b=this;return a&&a.nearThreshold&&this.setupNearRegion(a.nearThreshold),function(a){return b.updatePosition(a)}},e.prototype.clipper=function(){var a=this;return function(b){return a.updatePosition(b),a.enteredFrame?b:null
}},e.prototype.setupNearRegion=function(a){var b=this.nearRegion=new e([this.start.x-a,this.start.y-a,this.start.z-a],[this.end.x+a,this.end.y+a,this.end.z+a]),c=this;b.on("enter",function(a){c.emit("near",a)}),b.on("exit",function(a){c.emit("far",a)}),c.on("exit",function(a){c.emit("near",a)})},e.prototype.updatePosition=function(a){return this.nearRegion&&this.nearRegion.updatePosition(a),this.hasPointables(a)&&null==this.enteredFrame?(this.enteredFrame=a,this.emit("enter",this.enteredFrame)):this.hasPointables(a)||null==this.enteredFrame||(this.enteredFrame=null,this.emit("exit",this.enteredFrame)),a},e.prototype.normalize=function(a){return new Vector([(a.x-this.start.x)/(this.end.x-this.start.x),(a.y-this.start.y)/(this.end.y-this.start.y),(a.z-this.start.z)/(this.end.z-this.start.z)])},e.prototype.mapToXY=function(a,b,c){var d=this.normalize(a),e=d.x,f=d.y;return e>1?e=1:-1>e&&(e=-1),f>1?f=1:-1>f&&(f=-1),[(e+1)/2*b,(1-f)/2*c,d.z]},d.extend(e.prototype,c.prototype)},{events:21,underscore:24}],19:[function(a,b){b.exports={full:"0.6.0",major:0,minor:6,dot:0}},{}],20:[function(){},{}],21:[function(a,b,c){function d(a,b){if(a.indexOf)return a.indexOf(b);for(var c=0;c<a.length;c++)if(b===a[c])return c;return-1}var e=a("__browserify_process");e.EventEmitter||(e.EventEmitter=function(){});var f=c.EventEmitter=e.EventEmitter,g="function"==typeof Array.isArray?Array.isArray:function(a){return"[object Array]"===Object.prototype.toString.call(a)},h=10;f.prototype.setMaxListeners=function(a){this._events||(this._events={}),this._events.maxListeners=a},f.prototype.emit=function(a){if("error"===a&&(!this._events||!this._events.error||g(this._events.error)&&!this._events.error.length))throw arguments[1]instanceof Error?arguments[1]:new Error("Uncaught, unspecified 'error' event.");if(!this._events)return!1;var b=this._events[a];if(!b)return!1;if("function"==typeof b){switch(arguments.length){case 1:b.call(this);break;case 2:b.call(this,arguments[1]);break;case 3:b.call(this,arguments[1],arguments[2]);break;default:var c=Array.prototype.slice.call(arguments,1);b.apply(this,c)}return!0}if(g(b)){for(var c=Array.prototype.slice.call(arguments,1),d=b.slice(),e=0,f=d.length;f>e;e++)d[e].apply(this,c);return!0}return!1},f.prototype.addListener=function(a,b){if("function"!=typeof b)throw new Error("addListener only takes instances of Function");if(this._events||(this._events={}),this.emit("newListener",a,b),this._events[a])if(g(this._events[a])){if(!this._events[a].warned){var c;c=void 0!==this._events.maxListeners?this._events.maxListeners:h,c&&c>0&&this._events[a].length>c&&(this._events[a].warned=!0,console.error("(node) warning: possible EventEmitter memory leak detected. %d listeners added. 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supported")},c.cwd=function(){return"/"},c.chdir=function(){throw new Error("process.chdir is not supported")}},{}],23:[function(a,b,c){!function(){"use strict";var a={};"undefined"==typeof c?"function"==typeof define&&"object"==typeof define.amd&&define.amd?(a.exports={},define(function(){return a.exports})):a.exports=window:a.exports=c,function(a){var b={};if(!c)var c=1e-6;b.create=function(){return new Float32Array(2)},b.clone=function(a){var b=new Float32Array(2);return b[0]=a[0],b[1]=a[1],b},b.fromValues=function(a,b){var c=new Float32Array(2);return c[0]=a,c[1]=b,c},b.copy=function(a,b){return a[0]=b[0],a[1]=b[1],a},b.set=function(a,b,c){return a[0]=b,a[1]=c,a},b.add=function(a,b,c){return a[0]=b[0]+c[0],a[1]=b[1]+c[1],a},b.sub=b.subtract=function(a,b,c){return a[0]=b[0]-c[0],a[1]=b[1]-c[1],a},b.mul=b.multiply=function(a,b,c){return a[0]=b[0]*c[0],a[1]=b[1]*c[1],a},b.div=b.divide=function(a,b,c){return a[0]=b[0]/c[0],a[1]=b[1]/c[1],a},b.min=function(a,b,c){return 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