leap-1.1.1.min.js

/*!                                                              
 * LeapJS v1.1.1                                                  
 * http://github.com/leapmotion/leapjs/                                        
 *                                                                             
 * Copyright 2021 Ultraleap, Inc. and other contributors                       
 * Released under the Apache-2.0 license                                       
 * http://github.com/leapmotion/leapjs/blob/master/LICENSE                     
 */ (function(){function t(n,e,r){function i(s,a){if(!e[s]){if(!n[s]){var u="function"==typeof require&&require;if(!a&&u)return u(s,!0);if(o)return o(s,!0);var c=Error("Cannot find module '"+s+"'");throw c.code="MODULE_NOT_FOUND",c}var _=e[s]={exports:{}};n[s][0].call(_.exports,function(t){return i(n[s][1][t]||t)},_,_.exports,t,n,e,r)}return e[s].exports}for(var o="function"==typeof require&&require,s=0;s<r.length;s++)i(r[s]);return i}return t})()({1:[function(t,n,e){t("./pointable");var r=t("gl-matrix"),i=r.vec3,o=r.mat3,s=r.mat4,a=n.exports=function(t,n){this.finger=t,this._center=null,this._matrix=null,this.type=n.type,this.prevJoint=n.prevJoint,this.nextJoint=n.nextJoint,this.width=n.width;var e=[,,,];i.sub(e,n.nextJoint,n.prevJoint),this.length=i.length(e),this.basis=n.basis};a.prototype.left=function(){return this._left||(this._left=0>o.determinant(this.basis[0].concat(this.basis[1]).concat(this.basis[2]))),this._left},a.prototype.matrix=function(){if(this._matrix)return this._matrix;var t=this.basis,n=this._matrix=s.create();return n[0]=t[0][0],n[1]=t[0][1],n[2]=t[0][2],n[4]=t[1][0],n[5]=t[1][1],n[6]=t[1][2],n[8]=t[2][0],n[9]=t[2][1],n[10]=t[2][2],n[3]=this.center()[0],n[7]=this.center()[1],n[11]=this.center()[2],this.left()&&(n[0]*=-1,n[1]*=-1,n[2]*=-1),this._matrix},a.prototype.lerp=function(t,n){i.lerp(t,this.prevJoint,this.nextJoint,n)},a.prototype.center=function(){if(this._center)return this._center;var t=i.create();return this.lerp(t,.5),this._center=t,t},a.prototype.direction=function(){return[-1*this.basis[2][0],-1*this.basis[2][1],-1*this.basis[2][2]]}},{"./pointable":14,"gl-matrix":21}],2:[function(t,n,e){var r=n.exports=function(t){this.pos=0,this._buf=[],this.size=t};r.prototype.get=function(t){if(void 0==t&&(t=0),!(t>=this.size)&&!(t>=this._buf.length))return this._buf[(this.pos-t-1)%this.size]},r.prototype.push=function(t){return this._buf[this.pos%this.size]=t,this.pos++}},{}],3:[function(t,n,e){var r=t("../protocol").chooseProtocol,i=t("events").EventEmitter,o=n.exports=function(t){this.opts=Object.assign({host:"127.0.0.1",scheme:this.getScheme(),port:this.getPort(),background:!1,optimizeHMD:!1,optimizeScreentop:!1,requestProtocolVersion:o.defaultProtocolVersion},t||{}),this.host=this.opts.host,this.port=this.opts.port,this.scheme=this.opts.scheme,this.protocolVersionVerified=!1,this.background=null,this.optimizeHMD=null,this.optimizeScreentop=null,this.on("ready",function(){this.setBackground(this.opts.background),this.setOptimizeHMD(this.opts.optimizeHMD),this.setOptimizeScreentop(this.opts.optimizeScreentop),this.opts.optimizeHMD?console.log("Optimized for head mounted display usage."):this.opts.optimizeScreentop?console.log("Optimized for screentop usage."):console.log("Optimized for desktop usage.")})};o.defaultProtocolVersion=6,o.prototype.getUrl=function(){return this.scheme+"//"+this.host+":"+this.port+"/v"+this.opts.requestProtocolVersion+".json"},o.prototype.getScheme=function(){return"ws:"},o.prototype.getPort=function(){return 6437},o.prototype.setBackground=function(t){this.opts.background=t,this.protocol&&this.protocol.sendBackground&&this.background!==this.opts.background&&(this.background=this.opts.background,this.protocol.sendBackground(this,this.opts.background))},o.prototype.setOptimizeHMD=function(t){this.opts.optimizeHMD=t,this.protocol&&this.protocol.sendOptimizeHMD&&this.optimizeHMD!==this.opts.optimizeHMD&&(!0===t&&(this.optimizeScreentop=!1),this.optimizeHMD=this.opts.optimizeHMD,this.protocol.sendOptimizeHMD(this,this.opts.optimizeHMD))},o.prototype.setOptimizeScreentop=function(t){this.opts.optimizeScreentop=t,this.protocol&&this.protocol.sendOptimizeScreentop&&this.optimizeScreentop!==this.opts.optimizeScreentop&&(!0===t&&(this.optimizeHMD=!1),this.optimizeScreentop=this.opts.optimizeScreentop,this.protocol.sendOptimizeScreentop(this,this.opts.optimizeScreentop))},o.prototype.handleOpen=function(){this.connected||(this.connected=!0,this.emit("connect"))},o.prototype.handleClose=function(t,n){this.connected&&(this.disconnect(),1001===t&&this.opts.requestProtocolVersion>1&&(this.protocolVersionVerified?this.protocolVersionVerified=!1:this.opts.requestProtocolVersion--),this.startReconnection())},o.prototype.startReconnection=function(){var t=this;this.reconnectionTimer||(this.reconnectionTimer=setInterval(function(){t.reconnect()},500))},o.prototype.stopReconnection=function(){this.reconnectionTimer=clearInterval(this.reconnectionTimer)},o.prototype.disconnect=function(t){if(t||this.stopReconnection(),this.socket)return this.socket.close(),delete this.socket,delete this.protocol,delete this.background,delete this.optimizeHMD,delete this.optimizeScreentop,delete this.focusedState,this.connected&&(this.connected=!1,this.emit("disconnect")),!0},o.prototype.reconnect=function(){this.connected?this.stopReconnection():(this.disconnect(!0),this.connect())},o.prototype.handleData=function(t){var n,e=JSON.parse(t);void 0===this.protocol?(n=this.protocol=r(e),this.protocolVersionVerified=!0,this.emit("ready")):n=this.protocol(e),this.emit(n.type,n)},o.prototype.connect=function(){if(!this.socket)return this.socket=this.setupSocket(),!0},o.prototype.send=function(t){this.socket.send(t)},o.prototype.reportFocus=function(t){this.connected&&this.focusedState!==t&&(this.focusedState=t,this.emit(this.focusedState?"focus":"blur"),this.protocol&&this.protocol.sendFocused&&this.protocol.sendFocused(this,this.focusedState))},Object.assign(o.prototype,i.prototype)},{"../protocol":15,events:31}],4:[function(t,n,e){var r=n.exports=t("./base"),i=n.exports=function(t){r.call(this,t);var n=this;this.on("ready",function(){n.startFocusLoop()}),this.on("disconnect",function(){n.stopFocusLoop()})};Object.assign(i.prototype,r.prototype),i.__proto__=r,i.prototype.useSecure=function(){return"https:"===location.protocol},i.prototype.getScheme=function(){return this.useSecure()?"wss:":"ws:"},i.prototype.getPort=function(){return this.useSecure()?6436:6437},i.prototype.setupSocket=function(){var t=this,n=new WebSocket(this.getUrl());return n.onopen=function(){t.handleOpen()},n.onclose=function(n){t.handleClose(n.code,n.reason)},n.onmessage=function(n){t.handleData(n.data)},n.onerror=function(n){t.useSecure()&&"wss:"===t.scheme&&(t.scheme="ws:",t.port=6437,t.disconnect(),t.connect())},n},i.prototype.startFocusLoop=function(){if(!this.focusDetectorTimer){var t=this,n=null;n=void 0!==document.hidden?"hidden":void 0!==document.mozHidden?"mozHidden":void 0!==document.msHidden?"msHidden":void 0!==document.webkitHidden?"webkitHidden":void 0,void 0===t.windowVisible&&(t.windowVisible=void 0===n||!1===document[n]);var e=window.addEventListener("focus",function(n){t.windowVisible=!0,i()}),r=window.addEventListener("blur",function(n){t.windowVisible=!1,i()});this.on("disconnect",function(){window.removeEventListener("focus",e),window.removeEventListener("blur",r)});var i=function(){var e=void 0===n||!1===document[n];t.reportFocus(e&&t.windowVisible)};i(),this.focusDetectorTimer=setInterval(i,100)}},i.prototype.stopFocusLoop=function(){this.focusDetectorTimer&&(clearTimeout(this.focusDetectorTimer),delete this.focusDetectorTimer)}},{"./base":3}],5:[function(t,n,e){var r=t("ws"),i=t("./base"),o=n.exports=function(t){i.call(this,t);var n=this;this.on("ready",function(){n.reportFocus(!0)})};Object.assign(o.prototype,i.prototype),o.__proto__=i,o.prototype.setupSocket=function(){var t=this,n=new r(this.getUrl());return n.on("open",function(){t.handleOpen()}),n.on("message",function(n){t.handleData(n)}),n.on("close",function(n,e){t.handleClose(n,e)}),n.on("error",function(){t.startReconnection()}),n}},{"./base":3,ws:33}],6:[function(t,n,e){(function(e){(function(){var r=t("./frame"),i=t("./hand"),o=t("./pointable"),s=t("./finger"),a=t("./circular_buffer"),u=t("./pipeline"),c=t("events").EventEmitter,_=t("./dialog"),$=n.exports=function(n){var i=void 0!==e&&e.versions&&e.versions.node,o=this;this.inNode=i,n=Object.assign({inNode:this.inNode,frameEventName:this.useAnimationLoop()?"animationFrame":"deviceFrame",suppressAnimationLoop:!this.useAnimationLoop(),loopWhileDisconnected:!0,useAllPlugins:!1,checkVersion:!0},n||{}),this.animationFrameRequested=!1,this.onAnimationFrame=function(t){o.lastConnectionFrame.valid&&o.emit("animationFrame",o.lastConnectionFrame),o.emit("frameEnd",t),o.loopWhileDisconnected&&(!1!==o.connection.focusedState||o.connection.opts.background)?window.requestAnimationFrame(o.onAnimationFrame):o.animationFrameRequested=!1},this.suppressAnimationLoop=n.suppressAnimationLoop,this.loopWhileDisconnected=n.loopWhileDisconnected,this.frameEventName=n.frameEventName,this.useAllPlugins=n.useAllPlugins,this.history=new a(200),this.lastFrame=r.Invalid,this.lastValidFrame=r.Invalid,this.lastConnectionFrame=r.Invalid,this.checkVersion=n.checkVersion,void 0===n.connectionType?this.connectionType=this.inBrowser()?t("./connection/browser"):t("./connection/node"):this.connectionType=n.connectionType,this.connection=new this.connectionType(n),this.streamingCount=0,this.devices={},this.plugins={},this._pluginPipelineSteps={},this._pluginExtendedMethods={},n.useAllPlugins&&this.useRegisteredPlugins(),this.setupFrameEvents(n),this.setupConnectionEvents(),this.startAnimationLoop()};$.prototype.setBackground=function(t){return this.connection.setBackground(t),this},$.prototype.setOptimizeHMD=function(t){return this.connection.setOptimizeHMD(t),this},$.prototype.setOptimizeScreentop=function(t){return this.connection.setOptimizeScreentop(t),this},$.prototype.inBrowser=function(){return!this.inNode},$.prototype.useAnimationLoop=function(){return this.inBrowser()&&!this.inBackgroundPage()},$.prototype.inBackgroundPage=function(){return"undefined"!=typeof chrome&&chrome.extension&&chrome.extension.getBackgroundPage&&chrome.extension.getBackgroundPage()===window},$.prototype.connect=function(){return this.connection.connect(),this},$.prototype.streaming=function(){return this.streamingCount>0},$.prototype.connected=function(){return!!this.connection.connected},$.prototype.startAnimationLoop=function(){this.suppressAnimationLoop||this.animationFrameRequested||(this.animationFrameRequested=!0,window.requestAnimationFrame(this.onAnimationFrame))},$.prototype.disconnect=function(){return this.connection.disconnect(),this},$.prototype.frame=function(t){return this.history.get(t)||r.Invalid},$.prototype.loop=function(t){return t&&("function"==typeof t?this.on(this.frameEventName,t):this.setupFrameEvents(t)),this.connect()},$.prototype.addStep=function(t){this.pipeline||(this.pipeline=new u(this)),this.pipeline.addStep(t)},$.prototype.processFrame=function(t){this.lastConnectionFrame=t,this.startAnimationLoop(),this.emit("deviceFrame",t)},$.prototype.processFinishedFrame=function(t){this.lastFrame=t,t.valid&&(this.lastValidFrame=t),t.controller=this,t.historyIdx=this.history.push(t),!this.pipeline||(t=this.pipeline.run(t))||(t=r.Invalid),this.emit("frame",t),this.emitHandEvents(t)},$.prototype.emitHandEvents=function(t){for(var n=0;n<t.hands.length;n++)this.emit("hand",t.hands[n])},$.prototype.setupFrameEvents=function(t){t.frame&&this.on("frame",t.frame),t.hand&&this.on("hand",t.hand)},$.prototype.setupConnectionEvents=function(){var t=this;this.connection.on("frame",function(n){t.processFrame(n)}),this.on(this.frameEventName,function(n){t.processFinishedFrame(n)});var n=function(){if(t.connection.opts.requestProtocolVersion<5&&0==t.streamingCount){t.streamingCount=1;var e={attached:!0,streaming:!0,type:"unknown",id:"Lx00000000000"};t.devices[e.id]=e,t.emit("deviceAttached",e),t.emit("deviceStreaming",e),t.emit("streamingStarted",e),t.connection.removeListener("frame",n)}},e=function(){if(t.streamingCount>0){for(var n in t.devices)t.emit("deviceStopped",t.devices[n]),t.emit("deviceRemoved",t.devices[n]);for(var n in t.emit("streamingStopped",t.devices[n]),t.streamingCount=0,t.devices)delete t.devices[n]}};this.connection.on("focus",function(){t.loopWhileDisconnected&&t.startAnimationLoop(),t.emit("focus")}),this.connection.on("blur",function(){t.emit("blur")}),this.connection.on("protocol",function(n){n.on("beforeFrameCreated",function(n){t.emit("beforeFrameCreated",n)}),n.on("afterFrameCreated",function(n,e){t.emit("afterFrameCreated",n,e)}),t.emit("protocol",n)}),this.connection.on("ready",function(){t.checkVersion&&!t.inNode&&t.checkOutOfDate(),t.emit("ready")}),this.connection.on("connect",function(){t.emit("connect"),t.connection.removeListener("frame",n),t.connection.on("frame",n)}),this.connection.on("disconnect",function(){t.emit("disconnect"),e()}),this.connection.on("deviceConnect",function(r){r.state?(t.emit("deviceConnected"),t.connection.removeListener("frame",n),t.connection.on("frame",n)):(t.emit("deviceDisconnected"),e())}),this.connection.on("deviceEvent",function(n){var e=n.state,r=t.devices[e.id],i={};for(var o in e)r&&r.hasOwnProperty(o)&&r[o]==e[o]||(i[o]=!0);t.devices[e.id]=e,i.attached&&t.emit(e.attached?"deviceAttached":"deviceRemoved",e),!i.streaming||(e.streaming?(t.streamingCount++,t.emit("deviceStreaming",e),1==t.streamingCount&&t.emit("streamingStarted",e),i.attached||t.emit("deviceConnected")):i.attached&&e.attached||(t.streamingCount--,t.emit("deviceStopped",e),0==t.streamingCount&&t.emit("streamingStopped",e),t.emit("deviceDisconnected")))}),this.on("newListener",function(t,n){("deviceConnected"==t||"deviceDisconnected"==t)&&console.warn(t+" events are deprecated.  Consider using 'streamingStarted/streamingStopped' or 'deviceStreaming/deviceStopped' instead")})},$.prototype.checkOutOfDate=function(){console.assert(this.connection&&this.connection.protocol);var t=this.connection.protocol.serviceVersion,n=this.connection.protocol.version,e=this.connectionType.defaultProtocolVersion;return e>n&&(console.warn("Your Protocol Version is v"+n+", this app was designed for v"+e),_.warnOutOfDate({sV:t,pV:n}),!0)},$._pluginFactories={},$.plugin=function(t,n){return this._pluginFactories[t]&&console.warn('Plugin "'+t+'" already registered'),this._pluginFactories[t]=n},$.plugins=function(){return Object.keys(this._pluginFactories)};var f=function(t,n,e){-1!=["beforeFrameCreated","afterFrameCreated"].indexOf(n)?this.on(n,e):(this.pipeline||(this.pipeline=new u(this)),this._pluginPipelineSteps[t]||(this._pluginPipelineSteps[t]=[]),this._pluginPipelineSteps[t].push(this.pipeline.addWrappedStep(n,e)))},p=function(t,n,e){var a;switch(this._pluginExtendedMethods[t]||(this._pluginExtendedMethods[t]=[]),n){case"frame":a=r;break;case"hand":a=i;break;case"pointable":a=o,Object.assign(s.prototype,e),Object.assign(s.Invalid,e);break;case"finger":a=s;break;default:throw t+' specifies invalid object type "'+n+'" for prototypical extension'}Object.assign(a.prototype,e),Object.assign(a.Invalid,e),this._pluginExtendedMethods[t].push([a,e])};$.prototype.use=function(t,n){var e,r,i,o;if(!(r="function"==typeof t?t:$._pluginFactories[t]))throw"Leap Plugin "+t+" not found.";if(n||(n={}),this.plugins[t])return Object.assign(this.plugins[t],n),this;for(i in this.plugins[t]=n,o=r.call(this,n))"function"==typeof(e=o[i])?f.call(this,t,i,e):p.call(this,t,i,e);return this},$.prototype.stopUsing=function(t){var n,e,r=this._pluginPipelineSteps[t],i=this._pluginExtendedMethods[t],o=0;if(this.plugins[t]){if(r)for(o=0;o<r.length;o++)this.pipeline.removeStep(r[o]);if(i)for(o=0;o<i.length;o++)for(var s in n=i[o][0],e=i[o][1])delete n.prototype[s],delete n.Invalid[s];return delete this.plugins[t],this}},$.prototype.useRegisteredPlugins=function(){for(var t in $._pluginFactories)this.use(t)},Object.assign($.prototype,c.prototype)}).call(this)}).call(this,t("_process"))},{"./circular_buffer":2,"./connection/browser":4,"./connection/node":5,"./dialog":7,"./finger":8,"./frame":9,"./hand":10,"./pipeline":13,"./pointable":14,_process:32,events:31}],7:[function(t,n,e){(function(t){(function(){var e=n.exports=function(t,n){this.options=n||{},this.message=t,this.createElement()};e.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 t=document.createElement("div");this.element.appendChild(t),t.style.className="leapjs-dialog",t.style.display="inline-block",t.style.margin="auto",t.style.padding="8px",t.style.color="#222",t.style.background="#eee",t.style.borderRadius="4px",t.style.border="1px solid #999",t.style.textAlign="left",t.style.cursor="pointer",t.style.whiteSpace="nowrap",t.style.transition="box-shadow 1s linear",t.innerHTML=this.message,this.options.onclick&&t.addEventListener("click",this.options.onclick),this.options.onmouseover&&t.addEventListener("mouseover",this.options.onmouseover),this.options.onmouseout&&t.addEventListener("mouseout",this.options.onmouseout),this.options.onmousemove&&t.addEventListener("mousemove",this.options.onmousemove)},e.prototype.show=function(){return document.body.appendChild(this.element),this},e.prototype.hide=function(){return document.body.removeChild(this.element),this},e.warnOutOfDate=function(t){t||(t={});var n="http://developer.leapmotion.com?";for(var r in t.returnTo=window.location.href,t)n+=r+"="+encodeURIComponent(t[r])+"&";var i,o=function(t){if("leapjs-decline-upgrade"!=t.target.id){var e=window.open(n,"_blank","height=800,width=1000,location=1,menubar=1,resizable=1,status=1,toolbar=1,scrollbars=1");window.focus&&e.focus()}return i.hide(),!0};return(i=new e("This site requires Leap Motion Tracking V2.<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>",{onclick:o,onmousemove:function(t){t.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"}})).show()},e.hasWarnedBones=!1,e.warnBones=function(){this.hasWarnedBones||(this.hasWarnedBones=!0,console.warn("Your Leap Service is out of date"),void 0!==t&&t.versions&&t.versions.node||this.warnOutOfDate({reason:"bones"}))}}).call(this)}).call(this,t("_process"))},{_process:32}],8:[function(t,n,e){var r=t("./pointable"),i=t("./bone"),o=t("./dialog"),s=n.exports=function(t){r.call(this,t),this.dipPosition=t.dipPosition,this.pipPosition=t.pipPosition,this.mcpPosition=t.mcpPosition,this.carpPosition=t.carpPosition,this.extended=t.extended,this.type=t.type,this.finger=!0,this.positions=[this.carpPosition,this.mcpPosition,this.pipPosition,this.dipPosition,this.tipPosition],t.bases?this.addBones(t):o.warnBones()};Object.assign(s.prototype,r.prototype),s.prototype.addBones=function(t){this.metacarpal=new i(this,{type:0,width:this.width,prevJoint:this.carpPosition,nextJoint:this.mcpPosition,basis:t.bases[0]}),this.proximal=new i(this,{type:1,width:this.width,prevJoint:this.mcpPosition,nextJoint:this.pipPosition,basis:t.bases[1]}),this.medial=new i(this,{type:2,width:this.width,prevJoint:this.pipPosition,nextJoint:this.dipPosition,basis:t.bases[2]}),this.distal=new i(this,{type:3,width:this.width,prevJoint:this.dipPosition,nextJoint:t.btipPosition,basis:t.bases[3]}),this.bones=[this.metacarpal,this.proximal,this.medial,this.distal]},s.prototype.toString=function(){return"Finger [ id:"+this.id+" "+this.length+"mmx | width:"+this.width+"mm | direction:"+this.direction+" ]"},s.Invalid={valid:!1}},{"./bone":1,"./dialog":7,"./pointable":14}],9:[function(t,n,e){var r=t("./hand"),i=t("./pointable"),o=t("gl-matrix"),s=o.mat3,a=o.vec3,u=t("./interaction_box"),c=t("./finger"),_=n.exports=function(t){this.valid=!0,this.id=t.id,this.timestamp=t.timestamp,this.hands=[],this.handsMap={},this.pointables=[],this.fingers=[],t.interactionBox&&(this.interactionBox=new u(t.interactionBox)),this.pointablesMap={},this._translation=t.t,this._rotation=function t(n){return Array.isArray(n)?n.reduce(function(n,e){return n.concat(t(e))},[]):[n]}(t.r),this._scaleFactor=t.s,this.data=t,this.type="frame",this.currentFrameRate=t.currentFrameRate,this.postprocessData(t)};_.prototype.postprocessData=function(t){t||(t=this.data);for(var n=0,e=t.hands.length;n!=e;n++){var o=new r(t.hands[n]);o.frame=this,this.hands.push(o),this.handsMap[o.id]=o}t.pointables.sort(function(t,n){return t.id>n.id?1:n.id>t.id?-1:0});for(var s=0,a=t.pointables.length;s!=a;s++){var u=t.pointables[s],_=u.dipPosition?new c(u):new i(u);_.frame=this,this.addPointable(_)}},_.prototype.addPointable=function(t){if(this.pointables.push(t),this.pointablesMap[t.id]=t,this.fingers.push(t),void 0!==t.handId&&this.handsMap.hasOwnProperty(t.handId)){var n=this.handsMap[t.handId];switch(n.pointables.push(t),n.fingers.push(t),t.type){case 0:n.thumb=t;break;case 1:n.indexFinger=t;break;case 2:n.middleFinger=t;break;case 3:n.ringFinger=t;break;case 4:n.pinky=t}}},_.prototype.pointable=function(t){return this.pointablesMap[t]||i.Invalid},_.prototype.finger=function(t){return this.pointable(t)},_.prototype.hand=function(t){return this.handsMap[t]||r.Invalid},_.prototype.rotationAngle=function(t,n){if(!this.valid||!t.valid)return 0;var e=this.rotationMatrix(t),r=Math.acos((e[0]+e[4]+e[8]-1)*.5);if(r=isNaN(r)?0:r,void 0!==n){var i=this.rotationAxis(t);r*=a.dot(i,a.normalize(a.create(),n))}return r},_.prototype.rotationAxis=function(t){return this.valid&&t.valid?a.normalize(a.create(),[this._rotation[7]-t._rotation[5],this._rotation[2]-t._rotation[6],this._rotation[3]-t._rotation[1]]):a.create()},_.prototype.rotationMatrix=function(t){if(!this.valid||!t.valid)return s.create();var n=s.transpose(s.create(),this._rotation);return s.multiply(s.create(),t._rotation,n)},_.prototype.scaleFactor=function(t){return this.valid&&t.valid?Math.exp(this._scaleFactor-t._scaleFactor):1},_.prototype.translation=function(t){return this.valid&&t.valid?a.subtract(a.create(),this._translation,t._translation):a.create()},_.prototype.toString=function(){var t="Frame [ id:"+this.id+" | timestamp:"+this.timestamp+" | Hand count:("+this.hands.length+") | Pointable count:("+this.pointables.length+")";return t+" ]"},_.prototype.dump=function(){var t="";t+="Frame Info:<br/>",t+=this.toString(),t+="<br/><br/>Hands:<br/>";for(var n=0,e=this.hands.length;n!=e;n++)t+="  "+this.hands[n].toString()+"<br/>";t+="<br/><br/>Pointables:<br/>";for(var r=0,i=this.pointables.length;r!=i;r++)t+="  "+this.pointables[r].toString()+"<br/>";return t+="<br/><br/>Raw JSON:<br/>",t+=JSON.stringify(this.data)},_.Invalid={valid:!1,hands:[],fingers:[],pointables:[],pointable:function(){return i.Invalid},finger:function(){return i.Invalid},hand:function(){return r.Invalid},toString:function(){return"invalid frame"},dump:function(){return this.toString()},rotationAngle:function(){return 0},rotationMatrix:function(){return s.create()},rotationAxis:function(){return a.create()},scaleFactor:function(){return 1},translation:function(){return a.create()}}},{"./finger":8,"./hand":10,"./interaction_box":12,"./pointable":14,"gl-matrix":21}],10:[function(t,n,e){var r=t("./pointable"),i=t("./bone"),o=t("gl-matrix"),s=o.mat3,a=o.vec3,u=n.exports=function(t){this.id=t.id,this.palmPosition=t.palmPosition,this.direction=t.direction,this.palmVelocity=t.palmVelocity,this.palmNormal=t.palmNormal,this.sphereCenter=t.sphereCenter,this.sphereRadius=t.sphereRadius,this.valid=!0,this.pointables=[],this.fingers=[],t.armBasis?this.arm=new i(this,{type:4,width:t.armWidth,prevJoint:t.elbow,nextJoint:t.wrist,basis:t.armBasis}):this.arm=null,this._translation=t.t,this._rotation=function t(n){return Array.isArray(n)?n.reduce(function(n,e){return n.concat(t(e))},[]):[n]}(t.r),this._scaleFactor=t.s,this.timeVisible=t.timeVisible,this.stabilizedPalmPosition=t.stabilizedPalmPosition,this.type=t.type,this.grabStrength=t.grabStrength,this.pinchStrength=t.pinchStrength,this.confidence=t.confidence};u.prototype.finger=function(t){var n=this.frame.finger(t);return n&&n.handId==this.id?n:r.Invalid},u.prototype.rotationAngle=function(t,n){if(!this.valid||!t.valid||!t.hand(this.id).valid)return 0;var e=this.rotationMatrix(t),r=Math.acos((e[0]+e[4]+e[8]-1)*.5);if(r=isNaN(r)?0:r,void 0!==n){var i=this.rotationAxis(t);r*=a.dot(i,a.normalize(a.create(),n))}return r},u.prototype.rotationAxis=function(t){if(!this.valid||!t.valid)return a.create();var n=t.hand(this.id);return n.valid?a.normalize(a.create(),[this._rotation[7]-n._rotation[5],this._rotation[2]-n._rotation[6],this._rotation[3]-n._rotation[1]]):a.create()},u.prototype.rotationMatrix=function(t){if(!this.valid||!t.valid)return s.create();var n=t.hand(this.id);if(!n.valid)return s.create();var e=s.transpose(s.create(),this._rotation);return s.multiply(s.create(),n._rotation,e)},u.prototype.scaleFactor=function(t){if(!this.valid||!t.valid)return 1;var n=t.hand(this.id);return n.valid?Math.exp(this._scaleFactor-n._scaleFactor):1},u.prototype.translation=function(t){if(!this.valid||!t.valid)return a.create();var n=t.hand(this.id);return n.valid?[this._translation[0]-n._translation[0],this._translation[1]-n._translation[1],this._translation[2]-n._translation[2]]:a.create()},u.prototype.toString=function(){return"Hand ("+this.type+") [ id: "+this.id+" | palm velocity:"+this.palmVelocity+" | sphere center:"+this.sphereCenter+" ] "},u.prototype.pitch=function(){return Math.atan2(this.direction[1],-this.direction[2])},u.prototype.yaw=function(){return Math.atan2(this.direction[0],-this.direction[2])},u.prototype.roll=function(){return Math.atan2(this.palmNormal[0],-this.palmNormal[1])},u.Invalid={valid:!1,fingers:[],pointables:[],left:!1,pointable:function(){return r.Invalid},finger:function(){return r.Invalid},toString:function(){return"invalid frame"},dump:function(){return this.toString()},rotationAngle:function(){return 0},rotationMatrix:function(){return s.create()},rotationAxis:function(){return a.create()},scaleFactor:function(){return 1},translation:function(){return a.create()}}},{"./bone":1,"./pointable":14,"gl-matrix":21}],11:[function(t,n,e){n.exports={Controller:t("./controller"),Frame:t("./frame"),Hand:t("./hand"),Pointable:t("./pointable"),Finger:t("./finger"),InteractionBox:t("./interaction_box"),CircularBuffer:t("./circular_buffer"),UI:t("./ui"),JSONProtocol:t("./protocol").JSONProtocol,glMatrix:t("gl-matrix"),mat3:t("gl-matrix").mat3,vec3:t("gl-matrix").vec3,loopController:void 0,version:t("./version.js"),EventEmitter:t("events").EventEmitter,loop:function(t,n){return t&&void 0===n&&"[object Function]"===({}).toString.call(t)&&(n=t,t={}),this.loopController?t&&this.loopController.setupFrameEvents(t):this.loopController=new 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