leap-0.5.0.min.js

/*!                                                              
 * LeapJS v0.5.0                                                  
 * 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=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++}},{}],2:[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:5}),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.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":12,events:18,underscore:21}],3:[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.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":2,underscore:21}],4:[function(a,b){var c=a("__browserify_process"),d=a("./frame"),e=a("./hand"),f=a("./pointable"),g=a("./circular_buffer"),h=a("./pipeline"),i=a("events").EventEmitter,j=a("./gesture").gestureListener,k=a("underscore"),l=b.exports=function(b){var e="undefined"!=typeof c&&c.versions&&c.versions.node,f=this;b=k.defaults(b||{},{inNode:e}),this.inNode=b.inNode,b=k.defaults(b||{},{frameEventName:this.useAnimationLoop()?"animationFrame":"deviceFrame",suppressAnimationLoop:!this.useAnimationLoop(),loopWhileDisconnected:!1,useAllPlugins:!1}),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 g(200),this.lastFrame=d.Invalid,this.lastValidFrame=d.Invalid,this.lastConnectionFrame=d.Invalid,this.accumulatedGestures=[],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.setupConnectionEvents()};l.prototype.gesture=function(a,b){var c=j(this,a);return void 0!==b&&c.stop(b),c},l.prototype.setBackground=function(a){return this.connection.setBackground(a),this},l.prototype.inBrowser=function(){return!this.inNode},l.prototype.useAnimationLoop=function(){return this.inBrowser()&&!this.inBackgroundPage()},l.prototype.inBackgroundPage=function(){return"undefined"!=typeof chrome&&chrome.extension&&chrome.extension.getBackgroundPage&&chrome.extension.getBackgroundPage()===window},l.prototype.connect=function(){return this.connection.connect(),this},l.prototype.streaming=function(){return this.streamingCount>0},l.prototype.connected=function(){return!!this.connection.connected},l.prototype.runAnimationLoop=function(){this.suppressAnimationLoop||this.animationFrameRequested||(this.animationFrameRequested=!0,window.requestAnimationFrame(this.onAnimationFrame))},l.prototype.disconnect=function(){return this.connection.disconnect(),this},l.prototype.frame=function(a){return this.history.get(a)||d.Invalid},l.prototype.loop=function(a){switch(a.length){case 1:this.on(this.frameEventName,a);break;case 2:var b=this,c=function(d){a(d,function(){b.lastFrame!=d?c(b.lastFrame):b.once(b.frameEventName,c)})};this.once(this.frameEventName,c)}return this.connect()},l.prototype.addStep=function(a){this.pipeline||(this.pipeline=new h(this)),this.pipeline.addStep(a)},l.prototype.processFrame=function(a){a.gestures&&(this.accumulatedGestures=this.accumulatedGestures.concat(a.gestures)),this.lastConnectionFrame=a,this.runAnimationLoop(),this.emit("deviceFrame",a)},l.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)},l.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.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")})},l._pluginFactories={},l.plugin=function(a,b){if(this._pluginFactories[a])throw'Plugin "'+a+'" already registered';return this._pluginFactories[a]=b},l.plugins=function(){return k.keys(this._pluginFactories)},l.prototype.use=function(a,b){var c,g,i,j,m;if(g="function"==typeof a?a:l._pluginFactories[a],!g)throw"Leap Plugin "+a+" not found.";if(b||(b={}),this.plugins[a])return k.extend(this.plugins[a],b),this;this.plugins[a]=b,j=g.call(this,b);for(i in j)if(c=j[i],"function"==typeof c)this.pipeline||(this.pipeline=new h(this)),this._pluginPipelineSteps[a]||(this._pluginPipelineSteps[a]=[]),this._pluginPipelineSteps[a].push(this.pipeline.addWrappedStep(i,c));else{switch(this._pluginExtendedMethods[a]||(this._pluginExtendedMethods[a]=[]),i){case"frame":m=d;break;case"hand":m=e;break;case"pointable":m=f;break;default:throw a+' specifies invalid object type "'+i+'" for prototypical extension'}k.extend(m.prototype,c),k.extend(m.Invalid,c),this._pluginExtendedMethods[a].push([m,c])}return this},l.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}},l.prototype.useRegisteredPlugins=function(){for(var a in l._pluginFactories)this.use(a)},k.extend(l.prototype,i.prototype)},{"./circular_buffer":1,"./connection/browser":3,"./connection/node":17,"./frame":5,"./gesture":6,"./hand":7,"./pipeline":10,"./pointable":11,__browserify_process:19,events:18,underscore:21}],5:[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("underscore"),k=b.exports=function(a){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=j.flatten(a.r),this._scaleFactor=a.s,this.data=a,this.type="frame",this.currentFrameRate=a.currentFrameRate;for(var b={},f=0,g=a.hands.length;f!=g;f++){var h=new c(a.hands[f]);h.frame=this,this.hands.push(h),this.handsMap[h.id]=h,b[h.id]=f}for(var k=0,l=a.pointables.length;k!=l;k++){var m=new d(a.pointables[k]);if(m.frame=this,this.pointables.push(m),this.pointablesMap[m.id]=m,(m.tool?this.tools:this.fingers).push(m),void 0!==m.handId&&b.hasOwnProperty(m.handId)){var h=this.hands[b[m.handId]];h.pointables.push(m),(m.tool?h.tools:h.fingers).push(m)}}if(a.gestures)for(var n=0,o=a.gestures.length;n!=o;n++)this.gestures.push(e(a.gestures[n]))};k.prototype.tool=function(a){var b=this.pointable(a);return b.tool?b:d.Invalid},k.prototype.pointable=function(a){return this.pointablesMap[a]||d.Invalid},k.prototype.finger=function(a){var b=this.pointable(a);return b.tool?d.Invalid:b},k.prototype.hand=function(a){return this.handsMap[a]||c.Invalid},k.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},k.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()},k.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)},k.prototype.scaleFactor=function(a){return this.valid&&a.valid?Math.exp(this._scaleFactor-a._scaleFactor):1},k.prototype.translation=function(a){return this.valid&&a.valid?h.subtract(h.create(),this._translation,a._translation):h.create()},k.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+=" ]"},k.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)},k.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()}}},{"./gesture":6,"./hand":7,"./interaction_box":9,"./pointable":11,"gl-matrix":20,underscore:21}],6:[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"unkown gesture type"}return b.id=a.id,b.handIds=a.handIds,b.pointableIds=a.pointableIds,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:18,"gl-matrix":20,underscore:21}],7:[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};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 [ 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:[],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":11,"gl-matrix":20,underscore:21}],8:[function(a,b){b.exports={Controller:a("./controller"),Frame:a("./frame"),Gesture:a("./gesture"),Hand:a("./hand"),Pointable:a("./pointable"),InteractionBox:a("./interaction_box"),CircularBuffer:a("./circular_buffer"),UI:a("./ui"),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&&(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":1,"./controller":4,"./frame":5,"./gesture":6,"./hand":7,"./interaction_box":9,"./pointable":11,"./ui":13,"./version.js":16,"gl-matrix":20}],9:[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":20}],10:[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 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a[0]=e+d*(c[0]-e),a[1]=f+d*(c[1]-f),a[2]=g+d*(c[2]-g),a[3]=h+d*(c[3]-h),a},e.transformMat4=function(a,b,c){var d=b[0],e=b[1],f=b[2],g=b[3];return a[0]=c[0]*d+c[4]*e+c[8]*f+c[12]*g,a[1]=c[1]*d+c[5]*e+c[9]*f+c[13]*g,a[2]=c[2]*d+c[6]*e+c[10]*f+c[14]*g,a[3]=c[3]*d+c[7]*e+c[11]*f+c[15]*g,a},e.transformQuat=function(a,b,c){var d=b[0],e=b[1],f=b[2],g=c[0],h=c[1],i=c[2],j=c[3],k=j*d+h*f-i*e,l=j*e+i*d-g*f,m=j*f+g*e-h*d,n=-g*d-h*e-i*f;return a[0]=k*j+n*-g+l*-i-m*-h,a[1]=l*j+n*-h+m*-g-k*-i,a[2]=m*j+n*-i+k*-h-l*-g,a},e.forEach=function(){var a=new Float32Array(4);return function(b,c,d,e,f,g){var h,i;for(c||(c=4),d||(d=0),i=e?Math.min(e*c+d,b.length):b.length,h=d;i>h;h+=c)a[0]=b[h],a[1]=b[h+1],a[2]=b[h+2],a[3]=b[h+3],f(a,a,g),b[h]=a[0],b[h+1]=a[1],b[h+2]=a[2],b[h+3]=a[3];return b}}(),e.str=function(a){return"vec4("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+")"},"undefined"!=typeof a&&(a.vec4=e);var f={},g=new Float32Array([1,0,0,1]);if(!c)var c=1e-6;f.create=function(){return new 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d=b[0],e=b[1],f=b[2],g=b[3],h=c[0],i=c[1];return a[0]=d*h,a[1]=e*i,a[2]=f*h,a[3]=g*i,a},f.str=function(a){return"mat2("+a[0]+", "+a[1]+", "+a[2]+", "+a[3]+")"},"undefined"!=typeof a&&(a.mat2=f);var h={},i=new Float32Array([1,0,0,0,1,0,0,0,1]);if(!c)var c=1e-6;h.create=function(){return new Float32Array(i)},h.clone=function(a){var b=new Float32Array(9);return b[0]=a[0],b[1]=a[1],b[2]=a[2],b[3]=a[3],b[4]=a[4],b[5]=a[5],b[6]=a[6],b[7]=a[7],b[8]=a[8],b},h.copy=function(a,b){return a[0]=b[0],a[1]=b[1],a[2]=b[2],a[3]=b[3],a[4]=b[4],a[5]=b[5],a[6]=b[6],a[7]=b[7],a[8]=b[8],a},h.identity=function(a){return a[0]=1,a[1]=0,a[2]=0,a[3]=0,a[4]=1,a[5]=0,a[6]=0,a[7]=0,a[8]=1,a},h.transpose=function(a,b){if(a===b){var c=b[1],d=b[2],e=b[5];a[1]=b[3],a[2]=b[6],a[3]=c,a[5]=b[7],a[6]=d,a[7]=e}else a[0]=b[0],a[1]=b[3],a[2]=b[6],a[3]=b[1],a[4]=b[4],a[5]=b[7],a[6]=b[2],a[7]=b[5],a[8]=b[8];return a},h.invert=function(a,b){var c=b[0],d=b[1],e=b[2],f=b[3],g=b[4],h=b[5],i=b[6],j=b[7],k=b[8],l=k*g-h*j,m=-k*f+h*i,n=j*f-g*i,o=c*l+d*m+e*n;return o?(o=1/o,a[0]=l*o,a[1]=(-k*d+e*j)*o,a[2]=(h*d-e*g)*o,a[3]=m*o,a[4]=(k*c-e*i)*o,a[5]=(-h*c+e*f)*o,a[6]=n*o,a[7]=(-j*c+d*i)*o,a[8]=(g*c-d*f)*o,a):null},h.adjoint=function(a,b){var c=b[0],d=b[1],e=b[2],f=b[3],g=b[4],h=b[5],i=b[6],j=b[7],k=b[8];return a[0]=g*k-h*j,a[1]=e*j-d*k,a[2]=d*h-e*g,a[3]=h*i-f*k,a[4]=c*k-e*i,a[5]=e*f-c*h,a[6]=f*j-g*i,a[7]=d*i-c*j,a[8]=c*g-d*f,a},h.determinant=function(a){var b=a[0],c=a[1],d=a[2],e=a[3],f=a[4],g=a[5],h=a[6],i=a[7],j=a[8];return b*(j*f-g*i)+c*(-j*e+g*h)+d*(i*e-f*h)},h.mul=h.multiply=function(a,b,c){var d=b[0],e=b[1],f=b[2],g=b[3],h=b[4],i=b[5],j=b[6],k=b[7],l=b[8],m=c[0],n=c[1],o=c[2],p=c[3],q=c[4],r=c[5],s=c[6],t=c[7],u=c[8];return a[0]=m*d+n*g+o*j,a[1]=m*e+n*h+o*k,a[2]=m*f+n*i+o*l,a[3]=p*d+q*g+r*j,a[4]=p*e+q*h+r*k,a[5]=p*f+q*i+r*l,a[6]=s*d+t*g+u*j,a[7]=s*e+t*h+u*k,a[8]=s*f+t*i+u*l,a},h.str=function(a){return"mat3("+a[0]+", "+a[1]+", 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c=b[1],d=b[2],e=b[3],f=b[6],g=b[7],h=b[11];a[1]=b[4],a[2]=b[8],a[3]=b[12],a[4]=c,a[6]=b[9],a[7]=b[13],a[8]=d,a[9]=f,a[11]=b[14],a[12]=e,a[13]=g,a[14]=h}else a[0]=b[0],a[1]=b[4],a[2]=b[8],a[3]=b[12],a[4]=b[1],a[5]=b[5],a[6]=b[9],a[7]=b[13],a[8]=b[2],a[9]=b[6],a[10]=b[10],a[11]=b[14],a[12]=b[3],a[13]=b[7],a[14]=b[11],a[15]=b[15];return a},j.invert=function(a,b){var c=b[0],d=b[1],e=b[2],f=b[3],g=b[4],h=b[5],i=b[6],j=b[7],k=b[8],l=b[9],m=b[10],n=b[11],o=b[12],p=b[13],q=b[14],r=b[15],s=c*h-d*g,t=c*i-e*g,u=c*j-f*g,v=d*i-e*h,w=d*j-f*h,x=e*j-f*i,y=k*p-l*o,z=k*q-m*o,A=k*r-n*o,B=l*q-m*p,C=l*r-n*p,D=m*r-n*q,E=s*D-t*C+u*B+v*A-w*z+x*y;return E?(E=1/E,a[0]=(h*D-i*C+j*B)*E,a[1]=(e*C-d*D-f*B)*E,a[2]=(p*x-q*w+r*v)*E,a[3]=(m*w-l*x-n*v)*E,a[4]=(i*A-g*D-j*z)*E,a[5]=(c*D-e*A+f*z)*E,a[6]=(q*u-o*x-r*t)*E,a[7]=(k*x-m*u+n*t)*E,a[8]=(g*C-h*A+j*y)*E,a[9]=(d*A-c*C-f*y)*E,a[10]=(o*w-p*u+r*s)*E,a[11]=(l*u-k*w-n*s)*E,a[12]=(h*z-g*B-i*y)*E,a[13]=(c*B-d*z+e*y)*E,a[14]=(p*t-o*v-q*s)*E,a[15]=(k*v-l*t+m*s)*E,a):null},j.adjoint=function(a,b){var c=b[0],d=b[1],e=b[2],f=b[3],g=b[4],h=b[5],i=b[6],j=b[7],k=b[8],l=b[9],m=b[10],n=b[11],o=b[12],p=b[13],q=b[14],r=b[15];return a[0]=h*(m*r-n*q)-l*(i*r-j*q)+p*(i*n-j*m),a[1]=-(d*(m*r-n*q)-l*(e*r-f*q)+p*(e*n-f*m)),a[2]=d*(i*r-j*q)-h*(e*r-f*q)+p*(e*j-f*i),a[3]=-(d*(i*n-j*m)-h*(e*n-f*m)+l*(e*j-f*i)),a[4]=-(g*(m*r-n*q)-k*(i*r-j*q)+o*(i*n-j*m)),a[5]=c*(m*r-n*q)-k*(e*r-f*q)+o*(e*n-f*m),a[6]=-(c*(i*r-j*q)-g*(e*r-f*q)+o*(e*j-f*i)),a[7]=c*(i*n-j*m)-g*(e*n-f*m)+k*(e*j-f*i),a[8]=g*(l*r-n*p)-k*(h*r-j*p)+o*(h*n-j*l),a[9]=-(c*(l*r-n*p)-k*(d*r-f*p)+o*(d*n-f*l)),a[10]=c*(h*r-j*p)-g*(d*r-f*p)+o*(d*j-f*h),a[11]=-(c*(h*n-j*l)-g*(d*n-f*l)+k*(d*j-f*h)),a[12]=-(g*(l*q-m*p)-k*(h*q-i*p)+o*(h*m-i*l)),a[13]=c*(l*q-m*p)-k*(d*q-e*p)+o*(d*m-e*l),a[14]=-(c*(h*q-i*p)-g*(d*q-e*p)+o*(d*i-e*h)),a[15]=c*(h*m-i*l)-g*(d*m-e*l)+k*(d*i-e*h),a},j.determinant=function(a){var b=a[0],c=a[1],d=a[2],e=a[3],f=a[4],g=a[5],h=a[6],i=a[7],j=a[8],k=a[9],l=a[10],m=a[11],n=a[12],o=a[13],p=a[14],q=a[15],r=b*g-c*f,s=b*h-d*f,t=b*i-e*f,u=c*h-d*g,v=c*i-e*g,w=d*i-e*h,x=j*o-k*n,y=j*p-l*n,z=j*q-m*n,A=k*p-l*o,B=k*q-m*o,C=l*q-m*p;return r*C-s*B+t*A+u*z-v*y+w*x},j.mul=j.multiply=function(a,b,c){var d=b[0],e=b[1],f=b[2],g=b[3],h=b[4],i=b[5],j=b[6],k=b[7],l=b[8],m=b[9],n=b[10],o=b[11],p=b[12],q=b[13],r=b[14],s=b[15],t=c[0],u=c[1],v=c[2],w=c[3];return a[0]=t*d+u*h+v*l+w*p,a[1]=t*e+u*i+v*m+w*q,a[2]=t*f+u*j+v*n+w*r,a[3]=t*g+u*k+v*o+w*s,t=c[4],u=c[5],v=c[6],w=c[7],a[4]=t*d+u*h+v*l+w*p,a[5]=t*e+u*i+v*m+w*q,a[6]=t*f+u*j+v*n+w*r,a[7]=t*g+u*k+v*o+w*s,t=c[8],u=c[9],v=c[10],w=c[11],a[8]=t*d+u*h+v*l+w*p,a[9]=t*e+u*i+v*m+w*q,a[10]=t*f+u*j+v*n+w*r,a[11]=t*g+u*k+v*o+w*s,t=c[12],u=c[13],v=c[14],w=c[15],a[12]=t*d+u*h+v*l+w*p,a[13]=t*e+u*i+v*m+w*q,a[14]=t*f+u*j+v*n+w*r,a[15]=t*g+u*k+v*o+w*s,a},j.translate=function(a,b,c){var d,e,f,g,h,i,j,k,l,m,n,o,p=c[0],q=c[1],r=c[2];return 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