diff --git a/leap-1.1.0.js b/leap-1.1.0.js
index a5fe15a..6e9dfa8 100644
--- a/leap-1.1.0.js
+++ b/leap-1.1.0.js
@@ -11853,16 +11853,19 @@ module.exports = function () {
 };
 
 },{}],34:[function(require,module,exports){
-if (typeof(window) !== 'undefined' && typeof(window.requestAnimationFrame) !== 'function') {
-  window.requestAnimationFrame = (
-    window.webkitRequestAnimationFrame   ||
-    window.mozRequestAnimationFrame      ||
-    window.oRequestAnimationFrame        ||
-    window.msRequestAnimationFrame       ||
-    function(callback) { setTimeout(callback, 1000 / 60); }
-  );
+if (typeof (window) !== 'undefined'){
+  if (typeof (window.requestAnimationFrame) !== 'function') {
+    window.requestAnimationFrame = (
+      window.webkitRequestAnimationFrame ||
+      window.mozRequestAnimationFrame ||
+      window.oRequestAnimationFrame ||
+      window.msRequestAnimationFrame ||
+      function (callback) { setTimeout(callback, 1000 / 60); }
+    );
+  }
+  window.Leap = require("../lib/index");
+} else {
+  Leap = require("../lib/index");
 }
 
-Leap = require("../lib/index");
-
 },{"../lib/index":11}]},{},[34]);
diff --git a/leap-1.1.0.min.js b/leap-1.1.0.min.js
index a90d2a0..7ee138e 100644
--- a/leap-1.1.0.min.js
+++ b/leap-1.1.0.min.js
@@ -6,4 +6,4 @@
  * Released under the Apache-2.0 license                                       
  * http://github.com/leapmotion/leapjs/blob/master/LICENSE                     
  */
-!function r(o,i,a){function s(n,t){if(!i[n]){if(!o[n]){var e="function"==typeof require&&require;if(!t&&e)return e(n,!0);if(u)return u(n,!0);throw(e=new Error("Cannot find module '"+n+"'")).code="MODULE_NOT_FOUND",e}e=i[n]={exports:{}},o[n][0].call(e.exports,function(t){return s(o[n][1][t]||t)},e,e.exports,r,o,i,a)}return i[n].exports}for(var u="function"==typeof require&&require,t=0;t<a.length;t++)s(a[t]);return s}({1:[function(t,n,e){t("./pointable");var t=t("gl-matrix"),r=t.vec3,o=t.mat3,i=t.mat4,n=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;t=new Array(3);r.sub(t,n.nextJoint,n.prevJoint),this.length=r.length(t),this.basis=n.basis};n.prototype.left=function(){return this._left||(this._left=o.determinant(this.basis[0].concat(this.basis[1]).concat(this.basis[2]))<0,this._left)},n.prototype.matrix=function(){if(this._matrix)return this._matrix;var t=this.basis,n=this._matrix=i.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},n.prototype.lerp=function(t,n){r.lerp(t,this.prevJoint,this.nextJoint,n)},n.prototype.center=function(){if(this._center)return this._center;var t=r.create();return this.lerp(t,.5),this._center=t},n.prototype.direction=function(){return[-1*this.basis[2][0],-1*this.basis[2][1],-1*this.basis[2][2]]}},{"./pointable":14,"gl-matrix":22}],2:[function(t,n,e){n=n.exports=function(t){this.pos=0,this._buf=[],this.size=t};n.prototype.get=function(t){if(null==t&&(t=0),!(t>=this.size||t>=this._buf.length))return this._buf[(this.pos-t-1)%this.size]},n.prototype.push=function(t){return this._buf[this.pos%this.size]=t,this.pos++}},{}],3:[function(t,n,e){var r=t("../protocol").chooseProtocol,t=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,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.on("ready",function(){this.setBackground(this.opts.background),this.setOptimizeHMD(this.opts.optimizeHMD),this.opts.optimizeHMD?console.log("Optimized for head mounted display 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&&(this.optimizeHMD=this.opts.optimizeHMD,this.protocol.sendOptimizeHMD(this,this.opts.optimizeHMD))},o.prototype.handleOpen=function(){this.connected||(this.connected=!0,this.emit("connect"))},o.prototype.handleClose=function(t,n){this.connected&&(this.disconnect(),1001===t&&1<this.opts.requestProtocolVersion&&(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.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,t=JSON.parse(t);void 0===this.protocol?(n=this.protocol=r(t),this.protocolVersionVerified=!0,this.emit("ready")):n=this.protocol(t),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,t.prototype)},{"../protocol":15,events:20}],4:[function(t,n,e){var r=n.exports=t("./base"),n=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(n.prototype,r.prototype),n.__proto__=r,n.prototype.useSecure=function(){return"https:"===location.protocol},n.prototype.getScheme=function(){return this.useSecure()?"wss:":"ws:"},n.prototype.getPort=function(){return this.useSecure()?6436:6437},n.prototype.setupSocket=function(){var n=this,t=new WebSocket(this.getUrl());return t.onopen=function(){n.handleOpen()},t.onclose=function(t){n.handleClose(t.code,t.reason)},t.onmessage=function(t){n.handleData(t.data)},t.onerror=function(t){n.useSecure()&&"wss:"===n.scheme&&(n.scheme="ws:",n.port=6437,n.disconnect(),n.connect())},t},n.prototype.startFocusLoop=function(){var n,e,t,r,o;this.focusDetectorTimer||(n=this,e=null,e=void 0!==document.hidden?"hidden":void 0!==document.mozHidden?"mozHidden":void 0!==document.msHidden?"msHidden":void 0!==document.webkitHidden?"webkitHidden":void 0,void 0===n.windowVisible&&(n.windowVisible=void 0===e||!1===document[e]),t=window.addEventListener("focus",function(t){n.windowVisible=!0,o()}),r=window.addEventListener("blur",function(t){n.windowVisible=!1,o()}),this.on("disconnect",function(){window.removeEventListener("focus",t),window.removeEventListener("blur",r)}),(o=function(){var t=void 0===e||!1===document[e];n.reportFocus(t&&n.windowVisible)})(),this.focusDetectorTimer=setInterval(o,100))},n.prototype.stopFocusLoop=function(){this.focusDetectorTimer&&(clearTimeout(this.focusDetectorTimer),delete this.focusDetectorTimer)}},{"./base":3}],5:[function(t,n,e){var r=t("ws"),o=t("./base"),n=n.exports=function(t){o.call(this,t);var n=this;this.on("ready",function(){n.reportFocus(!0)})};Object.assign(n.prototype,o.prototype),n.__proto__=o,n.prototype.setupSocket=function(){var e=this,t=new r(this.getUrl());return t.on("open",function(){e.handleOpen()}),t.on("message",function(t){e.handleData(t)}),t.on("close",function(t,n){e.handleClose(t,n)}),t.on("error",function(){e.startReconnection()}),t}},{"./base":3,ws:33}],6:[function(d,n,t){(function(p){(function(){var o=d("./frame"),i=d("./hand"),a=d("./pointable"),s=d("./finger"),r=d("./circular_buffer"),u=d("./pipeline"),t=d("events").EventEmitter,c=d("./dialog"),h=n.exports=function(t){var n=void 0!==p&&p.versions&&p.versions.node,e=this;this.inNode=n,t=Object.assign({inNode:this.inNode,frameEventName:this.useAnimationLoop()?"animationFrame":"deviceFrame",suppressAnimationLoop:!this.useAnimationLoop(),loopWhileDisconnected:!0,useAllPlugins:!1,checkVersion:!0},t||{}),this.animationFrameRequested=!1,this.onAnimationFrame=function(t){e.lastConnectionFrame.valid&&e.emit("animationFrame",e.lastConnectionFrame),e.emit("frameEnd",t),e.loopWhileDisconnected&&(!1!==e.connection.focusedState||e.connection.opts.background)?window.requestAnimationFrame(e.onAnimationFrame):e.animationFrameRequested=!1},this.suppressAnimationLoop=t.suppressAnimationLoop,this.loopWhileDisconnected=t.loopWhileDisconnected,this.frameEventName=t.frameEventName,this.useAllPlugins=t.useAllPlugins,this.history=new r(200),this.lastFrame=o.Invalid,this.lastValidFrame=o.Invalid,this.lastConnectionFrame=o.Invalid,this.checkVersion=t.checkVersion,void 0===t.connectionType?this.connectionType=this.inBrowser()?d("./connection/browser"):d("./connection/node"):this.connectionType=t.connectionType,this.connection=new this.connectionType(t),this.streamingCount=0,this.devices={},this.plugins={},this._pluginPipelineSteps={},this._pluginExtendedMethods={},t.useAllPlugins&&this.useRegisteredPlugins(),this.setupFrameEvents(t),this.setupConnectionEvents(),this.startAnimationLoop()};h.prototype.setBackground=function(t){return this.connection.setBackground(t),this},h.prototype.setOptimizeHMD=function(t){return this.connection.setOptimizeHMD(t),this},h.prototype.inBrowser=function(){return!this.inNode},h.prototype.useAnimationLoop=function(){return this.inBrowser()&&!this.inBackgroundPage()},h.prototype.inBackgroundPage=function(){return"undefined"!=typeof chrome&&chrome.extension&&chrome.extension.getBackgroundPage&&chrome.extension.getBackgroundPage()===window},h.prototype.connect=function(){return this.connection.connect(),this},h.prototype.streaming=function(){return 0<this.streamingCount},h.prototype.connected=function(){return!!this.connection.connected},h.prototype.startAnimationLoop=function(){this.suppressAnimationLoop||this.animationFrameRequested||(this.animationFrameRequested=!0,window.requestAnimationFrame(this.onAnimationFrame))},h.prototype.disconnect=function(){return this.connection.disconnect(),this},h.prototype.frame=function(t){return this.history.get(t)||o.Invalid},h.prototype.loop=function(t){return t&&("function"==typeof t?this.on(this.frameEventName,t):this.setupFrameEvents(t)),this.connect()},h.prototype.addStep=function(t){this.pipeline||(this.pipeline=new u(this)),this.pipeline.addStep(t)},h.prototype.processFrame=function(t){this.lastConnectionFrame=t,this.startAnimationLoop(),this.emit("deviceFrame",t)},h.prototype.processFinishedFrame=function(t){(this.lastFrame=t).valid&&(this.lastValidFrame=t),t.controller=this,t.historyIdx=this.history.push(t),this.pipeline&&(t=(t=this.pipeline.run(t))||o.Invalid),this.emit("frame",t),this.emitHandEvents(t)},h.prototype.emitHandEvents=function(t){for(var n=0;n<t.hands.length;n++)this.emit("hand",t.hands[n])},h.prototype.setupFrameEvents=function(t){t.frame&&this.on("frame",t.frame),t.hand&&this.on("hand",t.hand)},h.prototype.setupConnectionEvents=function(){var i=this;this.connection.on("frame",function(t){i.processFrame(t)}),this.on(this.frameEventName,function(t){i.processFinishedFrame(t)});function n(){if(0<i.streamingCount){for(var t in i.devices)i.emit("deviceStopped",i.devices[t]),i.emit("deviceRemoved",i.devices[t]);for(var t in i.emit("streamingStopped",i.devices[t]),i.streamingCount=0,i.devices)delete i.devices[t]}}var e=function(){var t;i.connection.opts.requestProtocolVersion<5&&0==i.streamingCount&&(i.streamingCount=1,t={attached:!0,streaming:!0,type:"unknown",id:"Lx00000000000"},i.devices[t.id]=t,i.emit("deviceAttached",t),i.emit("deviceStreaming",t),i.emit("streamingStarted",t),i.connection.removeListener("frame",e))};this.connection.on("focus",function(){i.loopWhileDisconnected&&i.startAnimationLoop(),i.emit("focus")}),this.connection.on("blur",function(){i.emit("blur")}),this.connection.on("protocol",function(t){t.on("beforeFrameCreated",function(t){i.emit("beforeFrameCreated",t)}),t.on("afterFrameCreated",function(t,n){i.emit("afterFrameCreated",t,n)}),i.emit("protocol",t)}),this.connection.on("ready",function(){i.checkVersion&&!i.inNode&&i.checkOutOfDate(),i.emit("ready")}),this.connection.on("connect",function(){i.emit("connect"),i.connection.removeListener("frame",e),i.connection.on("frame",e)}),this.connection.on("disconnect",function(){i.emit("disconnect"),n()}),this.connection.on("deviceConnect",function(t){t.state?(i.emit("deviceConnected"),i.connection.removeListener("frame",e),i.connection.on("frame",e)):(i.emit("deviceDisconnected"),n())}),this.connection.on("deviceEvent",function(t){var n,e=t.state,r=i.devices[e.id],o={};for(n in e)r&&r.hasOwnProperty(n)&&r[n]==e[n]||(o[n]=!0);i.devices[e.id]=e,o.attached&&i.emit(e.attached?"deviceAttached":"deviceRemoved",e),o.streaming&&(e.streaming?(i.streamingCount++,i.emit("deviceStreaming",e),1==i.streamingCount&&i.emit("streamingStarted",e),o.attached||i.emit("deviceConnected")):o.attached&&e.attached||(i.streamingCount--,i.emit("deviceStopped",e),0==i.streamingCount&&i.emit("streamingStopped",e),i.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")})},h.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 n<e&&(console.warn("Your Protocol Version is v"+n+", this app was designed for v"+e),c.warnOutOfDate({sV:t,pV:n}),!0)},h._pluginFactories={},h.plugin=function(t,n){return this._pluginFactories[t]&&console.warn('Plugin "'+t+'" already registered'),this._pluginFactories[t]=n},h.plugins=function(){return Object.keys(this._pluginFactories)};function l(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)))}function f(t,n,e){var r;switch(this._pluginExtendedMethods[t]||(this._pluginExtendedMethods[t]=[]),n){case"frame":r=o;break;case"hand":r=i;break;case"pointable":r=a,Object.assign(s.prototype,e),Object.assign(s.Invalid,e);break;case"finger":r=s;break;default:throw t+' specifies invalid object type "'+n+'" for prototypical extension'}Object.assign(r.prototype,e),Object.assign(r.Invalid,e),this._pluginExtendedMethods[t].push([r,e])}h.prototype.use=function(t,n){var e,r,o,i="function"==typeof t?t:h._pluginFactories[t];if(!i)throw"Leap Plugin "+t+" not found.";if(n=n||{},this.plugins[t])return Object.assign(this.plugins[t],n),this;for(r in this.plugins[t]=n,o=i.call(this,n))("function"==typeof(e=o[r])?l:f).call(this,t,r,e);return this},h.prototype.stopUsing=function(t){var n,e=this._pluginPipelineSteps[t],r=this._pluginExtendedMethods[t],o=0;if(this.plugins[t]){if(e)for(o=0;o<e.length;o++)this.pipeline.removeStep(e[o]);if(r)for(o=0;o<r.length;o++)for(var i in n=r[o][0],r[o][1])delete n.prototype[i],delete n.Invalid[i];return delete this.plugins[t],this}},h.prototype.useRegisteredPlugins=function(){for(var t in h._pluginFactories)this.use(t)},Object.assign(h.prototype,t.prototype)}).call(this)}).call(this,d("_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:20}],7:[function(t,n,e){(function(t){(function(){var o=n.exports=function(t,n){this.options=n||{},this.message=t,this.createElement()};o.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)},o.prototype.show=function(){return document.body.appendChild(this.element),this},o.prototype.hide=function(){return document.body.removeChild(this.element),this},o.warnOutOfDate=function(t){var n,e="http://developer.leapmotion.com?";for(n in(t=t||{}).returnTo=window.location.href,t)e+=n+"="+encodeURIComponent(t[n])+"&";var r=new o("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:function(t){return"leapjs-decline-upgrade"!=t.target.id&&(t=window.open(e,"_blank","height=800,width=1000,location=1,menubar=1,resizable=1,status=1,toolbar=1,scrollbars=1"),window.focus&&t.focus()),r.hide(),!0},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"}});return r.show()},o.hasWarnedBones=!1,o.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"),o=t("./bone"),i=t("./dialog"),n=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):i.warnBones()};Object.assign(n.prototype,r.prototype),n.prototype.addBones=function(t){this.metacarpal=new o(this,{type:0,width:this.width,prevJoint:this.carpPosition,nextJoint:this.mcpPosition,basis:t.bases[0]}),this.proximal=new o(this,{type:1,width:this.width,prevJoint:this.mcpPosition,nextJoint:this.pipPosition,basis:t.bases[1]}),this.medial=new o(this,{type:2,width:this.width,prevJoint:this.pipPosition,nextJoint:this.dipPosition,basis:t.bases[2]}),this.distal=new o(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]},n.prototype.toString=function(){return"Finger [ id:"+this.id+" "+this.length+"mmx | width:"+this.width+"mm | direction:"+this.direction+" ]"},n.Invalid={valid:!1}},{"./bone":1,"./dialog":7,"./pointable":14}],9:[function(t,n,e){var u=t("./hand"),c=t("./pointable"),r=t("gl-matrix"),o=r.mat3,i=r.vec3,a=t("./interaction_box"),h=t("./finger"),n=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 a(t.interactionBox)),this.pointablesMap={},this._translation=t.t,this._rotation=function e(t){return Array.isArray(t)?t.reduce(function(t,n){return t.concat(e(n))},[]):[t]}(t.r),this._scaleFactor=t.s,this.data=t,this.type="frame",this.currentFrameRate=t.currentFrameRate,this.postprocessData(t)};n.prototype.postprocessData=function(t){for(var n=0,e=(t=t||this.data).hands.length;n!=e;n++){var r=new u(t.hands[n]);(r.frame=this).hands.push(r),this.handsMap[r.id]=r}var o;t.pointables.sort((o="id",function(t,n){return t[o]>n[o]?1:n[o]>t[o]?-1:0}));for(var i=0,a=t.pointables.length;i!=a;i++){var s=t.pointables[i],s=new(s.dipPosition?h:c)(s);(s.frame=this).addPointable(s)}},n.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}}},n.prototype.pointable=function(t){return this.pointablesMap[t]||c.Invalid},n.prototype.finger=function(t){return this.pointable(t)},n.prototype.hand=function(t){return this.handsMap[t]||u.Invalid},n.prototype.rotationAngle=function(t,n){if(!this.valid||!t.valid)return 0;var e=this.rotationMatrix(t),e=.5*(e[0]+e[4]+e[8]-1),e=Math.acos(e),e=isNaN(e)?0:e;return void 0!==n&&(t=this.rotationAxis(t),e*=i.dot(t,i.normalize(i.create(),n))),e},n.prototype.rotationAxis=function(t){return this.valid&&t.valid?i.normalize(i.create(),[this._rotation[7]-t._rotation[5],this._rotation[2]-t._rotation[6],this._rotation[3]-t._rotation[1]]):i.create()},n.prototype.rotationMatrix=function(t){if(!this.valid||!t.valid)return o.create();var n=o.transpose(o.create(),this._rotation);return o.multiply(o.create(),t._rotation,n)},n.prototype.scaleFactor=function(t){return this.valid&&t.valid?Math.exp(this._scaleFactor-t._scaleFactor):1},n.prototype.translation=function(t){return this.valid&&t.valid?i.subtract(i.create(),this._translation,t._translation):i.create()},n.prototype.toString=function(){var t="Frame [ id:"+this.id+" | timestamp:"+this.timestamp+" | Hand count:("+this.hands.length+") | Pointable count:("+this.pointables.length+")";return t+=" ]"},n.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,o=this.pointables.length;r!=o;r++)t+="  "+this.pointables[r].toString()+"<br/>";return t+="<br/><br/>Raw JSON:<br/>",t+=JSON.stringify(this.data)},n.Invalid={valid:!1,hands:[],fingers:[],pointables:[],pointable:function(){return c.Invalid},finger:function(){return c.Invalid},hand:function(){return u.Invalid},toString:function(){return"invalid frame"},dump:function(){return this.toString()},rotationAngle:function(){return 0},rotationMatrix:function(){return o.create()},rotationAxis:function(){return i.create()},scaleFactor:function(){return 1},translation:function(){return i.create()}}},{"./finger":8,"./hand":10,"./interaction_box":12,"./pointable":14,"gl-matrix":22}],10:[function(t,n,e){var r=t("./pointable"),o=t("./bone"),t=t("gl-matrix"),i=t.mat3,a=t.vec3,n=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 o(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 e(t){return Array.isArray(t)?t.reduce(function(t,n){return t.concat(e(n))},[]):[t]}(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};n.prototype.finger=function(t){t=this.frame.finger(t);return t&&t.handId==this.id?t:r.Invalid},n.prototype.rotationAngle=function(t,n){if(!this.valid||!t.valid)return 0;if(!t.hand(this.id).valid)return 0;var e=this.rotationMatrix(t),e=.5*(e[0]+e[4]+e[8]-1),e=Math.acos(e),e=isNaN(e)?0:e;return void 0!==n&&(t=this.rotationAxis(t),e*=a.dot(t,a.normalize(a.create(),n))),e},n.prototype.rotationAxis=function(t){if(!this.valid||!t.valid)return a.create();t=t.hand(this.id);return 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()},n.prototype.rotationMatrix=function(t){if(!this.valid||!t.valid)return i.create();var n=t.hand(this.id);if(!n.valid)return i.create();t=i.transpose(i.create(),this._rotation);return i.multiply(i.create(),n._rotation,t)},n.prototype.scaleFactor=function(t){if(!this.valid||!t.valid)return 1;t=t.hand(this.id);return t.valid?Math.exp(this._scaleFactor-t._scaleFactor):1},n.prototype.translation=function(t){if(!this.valid||!t.valid)return a.create();t=t.hand(this.id);return t.valid?[this._translation[0]-t._translation[0],this._translation[1]-t._translation[1],this._translation[2]-t._translation[2]]:a.create()},n.prototype.toString=function(){return"Hand ("+this.type+") [ id: "+this.id+" | palm velocity:"+this.palmVelocity+" | sphere center:"+this.sphereCenter+" ] "},n.prototype.pitch=function(){return Math.atan2(this.direction[1],-this.direction[2])},n.prototype.yaw=function(){return Math.atan2(this.direction[0],-this.direction[2])},n.prototype.roll=function(){return Math.atan2(this.palmNormal[0],-this.palmNormal[1])},n.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 i.create()},rotationAxis:function(){return a.create()},scaleFactor:function(){return 1},translation:function(){return a.create()}}},{"./bone":1,"./pointable":14,"gl-matrix":22}],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 this.Controller(t),this.loopController.loop(n),this.loopController},plugin:function(t,n){this.Controller.plugin(t,n)}}},{"./circular_buffer":2,"./controller":6,"./finger":8,"./frame":9,"./hand":10,"./interaction_box":12,"./pointable":14,"./protocol":15,"./ui":16,"./version.js":19,events:20,"gl-matrix":22}],12:[function(t,n,e){var r=t("gl-matrix").vec3,n=n.exports=function(t){this.valid=!0,this.center=t.center,this.size=t.size,this.width=t.size[0],this.height=t.size[1],this.depth=t.size[2]};n.prototype.denormalizePoint=function(t){return r.fromValues((t[0]-.5)*this.size[0]+this.center[0],(t[1]-.5)*this.size[1]+this.center[1],(t[2]-.5)*this.size[2]+this.center[2])},n.prototype.normalizePoint=function(t,n){t=r.fromValues((t[0]-this.center[0])/this.size[0]+.5,(t[1]-this.center[1])/this.size[1]+.5,(t[2]-this.center[2])/this.size[2]+.5);return n&&(t[0]=Math.min(Math.max(t[0],0),1),t[1]=Math.min(Math.max(t[1],0),1),t[2]=Math.min(Math.max(t[2],0),1)),t},n.prototype.toString=function(){return"InteractionBox [ width:"+this.width+" | height:"+this.height+" | depth:"+this.depth+" ]"},n.Invalid={valid:!1}},{"gl-matrix":22}],13:[function(t,n,e){n=n.exports=function(t){this.steps=[],this.controller=t};n.prototype.addStep=function(t){this.steps.push(t)},n.prototype.run=function(t){for(var n=this.steps.length,e=0;e!=n&&t;e++)t=this.steps[e](t);return t},n.prototype.removeStep=function(t){t=this.steps.indexOf(t);if(-1===t)throw"Step not found in pipeline";this.steps.splice(t,1)},n.prototype.addWrappedStep=function(o,i){function t(t){for(var n="frame"==o?[t]:t[o+"s"]||[],e=0,r=n.length;e<r;e++)i.call(a,n[e]);return t}var a=this.controller;return this.addStep(t),t}},{}],14:[function(t,n,e){t("gl-matrix").vec3;n=n.exports=function(t){this.valid=!0,this.id=t.id,this.handId=t.handId,this.length=t.length,this.tool=t.tool,this.width=t.width,this.direction=t.direction,this.stabilizedTipPosition=t.stabilizedTipPosition,this.tipPosition=t.tipPosition,this.tipVelocity=t.tipVelocity,this.touchZone=t.touchZone,this.touchDistance=t.touchDistance,this.timeVisible=t.timeVisible};n.prototype.toString=function(){return"Pointable [ id:"+this.id+" "+this.length+"mmx | width:"+this.width+"mm | direction:"+this.direction+" ]"},n.prototype.hand=function(){return this.frame.hand(this.handId)},n.Invalid={valid:!1}},{"gl-matrix":22}],15:[function(t,n,e){function r(t){this.type=t.type,this.state=t.state}var o=t("./frame"),i=t("events").EventEmitter;e.chooseProtocol=function(t){var e;switch(t.version){case 1:case 2:case 3:case 4:case 5:case 6:(e=a(t)).sendBackground=function(t,n){t.send(e.encode({background:n}))},e.sendFocused=function(t,n){t.send(e.encode({focused:n}))},e.sendOptimizeHMD=function(t,n){t.send(e.encode({optimizeHMD:n}))};break;default:throw"unrecognized version"}return e};var a=e.JSONProtocol=function(t){var e=function(t){if(t.event)return new r(t.event);e.emit("beforeFrameCreated",t);var n=new o(t);return e.emit("afterFrameCreated",n,t),n};return e.encode=function(t){return JSON.stringify(t)},e.version=t.version,e.serviceVersion=t.serviceVersion,e.versionLong="Version "+t.version,e.type="protocol",Object.assign(e,i.prototype),e}},{"./frame":9,events:20}],16:[function(t,n,e){e.UI={Region:t("./ui/region"),Cursor:t("./ui/cursor")}},{"./ui/cursor":17,"./ui/region":18}],17:[function(t,n,e){n.exports=function(){return function(t){var n=t.pointables.sort(function(t,n){return t.z-n.z})[0];return n&&n.valid&&(t.cursorPosition=n.tipPosition),t}}},{}],18:[function(t,n,e){var t=t("events").EventEmitter,r=n.exports=function(t,n){this.start=new Vector(t),this.end=new Vector(n),this.enteredFrame=null};r.prototype.hasPointables=function(t){for(var n=0;n!=t.pointables.length;n++){var e=t.pointables[n].tipPosition;if(e.x>=this.start.x&&e.x<=this.end.x&&e.y>=this.start.y&&e.y<=this.end.y&&e.z>=this.start.z&&e.z<=this.end.z)return!0}return!1},r.prototype.listener=function(t){var n=this;return t&&t.nearThreshold&&this.setupNearRegion(t.nearThreshold),function(t){return n.updatePosition(t)}},r.prototype.clipper=function(){var n=this;return function(t){return n.updatePosition(t),n.enteredFrame?t:null}},r.prototype.setupNearRegion=function(t){var t=this.nearRegion=new r([this.start.x-t,this.start.y-t,this.start.z-t],[this.end.x+t,this.end.y+t,this.end.z+t]),n=this;t.on("enter",function(t){n.emit("near",t)}),t.on("exit",function(t){n.emit("far",t)}),n.on("exit",function(t){n.emit("near",t)})},r.prototype.updatePosition=function(t){return this.nearRegion&&this.nearRegion.updatePosition(t),this.hasPointables(t)&&null==this.enteredFrame?(this.enteredFrame=t,this.emit("enter",this.enteredFrame)):this.hasPointables(t)||null==this.enteredFrame||(this.enteredFrame=null,this.emit("exit",this.enteredFrame)),t},r.prototype.normalize=function(t){return new Vector([(t.x-this.start.x)/(this.end.x-this.start.x),(t.y-this.start.y)/(this.end.y-this.start.y),(t.z-this.start.z)/(this.end.z-this.start.z)])},r.prototype.mapToXY=function(t,n,e){var r=this.normalize(t),o=r.x,t=r.y;return 1<o?o=1:o<-1&&(o=-1),1<t?t=1:t<-1&&(t=-1),[(o+1)/2*n,(1-t)/2*e,r.z]},Object.assign(r.prototype,t.prototype)},{events:20}],19:[function(t,n,e){n.exports={full:"1.1.0",major:1,minor:1,dot:0}},{}],20:[function(t,n,e){var s=Object.create||function(t){function n(){}return n.prototype=t,new n},a=Object.keys||function(t){var n,e=[];for(n in t)Object.prototype.hasOwnProperty.call(t,n)&&e.push(n);return n},r=Function.prototype.bind||function(t){var n=this;return 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e=t[0],r=t[1],o=t[2],i=t[3],a=t[4],s=t[5],u=t[6],c=t[7],h=t[8],l=n[0],f=n[1],p=n[2],d=n[3],m=n[4],v=n[5],y=n[6],t=n[7],n=n[8];return Math.abs(e-l)<=b.EPSILON*Math.max(1,Math.abs(e),Math.abs(l))&&Math.abs(r-f)<=b.EPSILON*Math.max(1,Math.abs(r),Math.abs(f))&&Math.abs(o-p)<=b.EPSILON*Math.max(1,Math.abs(o),Math.abs(p))&&Math.abs(i-d)<=b.EPSILON*Math.max(1,Math.abs(i),Math.abs(d))&&Math.abs(a-m)<=b.EPSILON*Math.max(1,Math.abs(a),Math.abs(m))&&Math.abs(s-v)<=b.EPSILON*Math.max(1,Math.abs(s),Math.abs(v))&&Math.abs(u-y)<=b.EPSILON*Math.max(1,Math.abs(u),Math.abs(y))&&Math.abs(c-t)<=b.EPSILON*Math.max(1,Math.abs(c),Math.abs(t))&&Math.abs(h-n)<=b.EPSILON*Math.max(1,Math.abs(h),Math.abs(n))},e.sub=e.mul=void 0;var b=function(t){if(t&&t.__esModule)return t;if(null===t||"object"!==a(t)&&"function"!=typeof t)return{default:t};var n=s();if(n&&n.has(t))return n.get(t);var e,r={},o=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(e in t){var 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n?(n=1/n,t[0]=(s*j-u*A+c*E)*n,t[1]=(o*A-r*j-i*E)*n,t[2]=(m*x-v*P+y*w)*n,t[3]=(f*P-l*x-p*w)*n,t[4]=(u*_-a*j-c*S)*n,t[5]=(e*j-o*_+i*S)*n,t[6]=(v*g-d*x-y*M)*n,t[7]=(h*x-f*g+p*M)*n,t[8]=(a*A-s*_+c*O)*n,t[9]=(r*_-e*A-i*O)*n,t[10]=(d*P-m*g+y*b)*n,t[11]=(l*g-h*P-p*b)*n,t[12]=(s*S-a*E-u*O)*n,t[13]=(e*E-r*S+o*O)*n,t[14]=(m*M-d*w-v*b)*n,t[15]=(h*w-l*M+f*b)*n,t):null},e.adjoint=function(t,n){var e=n[0],r=n[1],o=n[2],i=n[3],a=n[4],s=n[5],u=n[6],c=n[7],h=n[8],l=n[9],f=n[10],p=n[11],d=n[12],m=n[13],v=n[14],n=n[15];return t[0]=s*(f*n-p*v)-l*(u*n-c*v)+m*(u*p-c*f),t[1]=-(r*(f*n-p*v)-l*(o*n-i*v)+m*(o*p-i*f)),t[2]=r*(u*n-c*v)-s*(o*n-i*v)+m*(o*c-i*u),t[3]=-(r*(u*p-c*f)-s*(o*p-i*f)+l*(o*c-i*u)),t[4]=-(a*(f*n-p*v)-h*(u*n-c*v)+d*(u*p-c*f)),t[5]=e*(f*n-p*v)-h*(o*n-i*v)+d*(o*p-i*f),t[6]=-(e*(u*n-c*v)-a*(o*n-i*v)+d*(o*c-i*u)),t[7]=e*(u*p-c*f)-a*(o*p-i*f)+h*(o*c-i*u),t[8]=a*(l*n-p*m)-h*(s*n-c*m)+d*(s*p-c*l),t[9]=-(e*(l*n-p*m)-h*(r*n-i*m)+d*(r*p-i*l)),t[10]=e*(s*n-c*m)-a*(r*n-i*m)+d*(r*c-i*s),t[11]=-(e*(s*p-c*l)-a*(r*p-i*l)+h*(r*c-i*s)),t[12]=-(a*(l*v-f*m)-h*(s*v-u*m)+d*(s*f-u*l)),t[13]=e*(l*v-f*m)-h*(r*v-o*m)+d*(r*f-o*l),t[14]=-(e*(s*v-u*m)-a*(r*v-o*m)+d*(r*u-o*s)),t[15]=e*(s*f-u*l)-a*(r*f-o*l)+h*(r*u-o*s),t},e.determinant=function(t){var n=t[0],e=t[1],r=t[2],o=t[3],i=t[4],a=t[5],s=t[6],u=t[7],c=t[8],h=t[9],l=t[10],f=t[11],p=t[12],d=t[13],m=t[14],t=t[15];return(n*a-e*i)*(l*t-f*m)-(n*s-r*i)*(h*t-f*d)+(n*u-o*i)*(h*m-l*d)+(e*s-r*a)*(c*t-f*p)-(e*u-o*a)*(c*m-l*p)+(r*u-o*s)*(c*d-h*p)},e.multiply=r,e.translate=function(t,n,e){var r,o,i,a,s,u,c,h,l,f,p,d=e[0],m=e[1],v=e[2];n===t?(t[12]=n[0]*d+n[4]*m+n[8]*v+n[12],t[13]=n[1]*d+n[5]*m+n[9]*v+n[13],t[14]=n[2]*d+n[6]*m+n[10]*v+n[14],t[15]=n[3]*d+n[7]*m+n[11]*v+n[15]):(r=n[0],o=n[1],i=n[2],a=n[3],s=n[4],u=n[5],c=n[6],h=n[7],l=n[8],f=n[9],p=n[10],e=n[11],t[0]=r,t[1]=o,t[2]=i,t[3]=a,t[4]=s,t[5]=u,t[6]=c,t[7]=h,t[8]=l,t[9]=f,t[10]=p,t[11]=e,t[12]=r*d+s*m+l*v+n[12],t[13]=o*d+u*m+f*v+n[13],t[14]=i*d+c*m+p*v+n[14],t[15]=a*d+h*m+e*v+n[15]);return t},e.scale=function(t,n,e){var r=e[0],o=e[1],e=e[2];return t[0]=n[0]*r,t[1]=n[1]*r,t[2]=n[2]*r,t[3]=n[3]*r,t[4]=n[4]*o,t[5]=n[5]*o,t[6]=n[6]*o,t[7]=n[7]*o,t[8]=n[8]*e,t[9]=n[9]*e,t[10]=n[10]*e,t[11]=n[11]*e,t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],t},e.rotate=function(t,n,e,r){var o,i,a,s,u,c,h,l,f,p,d,m,v,y,b,M,g,w,P,x=r[0],O=r[1],S=r[2],_=Math.hypot(x,O,S);if(_<I.EPSILON)return null;x*=_=1/_,O*=_,S*=_,w=Math.sin(e),P=Math.cos(e),o=1-P,i=n[0],a=n[1],s=n[2],u=n[3],c=n[4],h=n[5],l=n[6],f=n[7],p=n[8],d=n[9],m=n[10],v=n[11],y=x*x*o+P,b=O*x*o+S*w,M=S*x*o-O*w,g=x*O*o-S*w,r=O*O*o+P,_=S*O*o+x*w,e=x*S*o+O*w,w=O*S*o-x*w,P=S*S*o+P,t[0]=i*y+c*b+p*M,t[1]=a*y+h*b+d*M,t[2]=s*y+l*b+m*M,t[3]=u*y+f*b+v*M,t[4]=i*g+c*r+p*_,t[5]=a*g+h*r+d*_,t[6]=s*g+l*r+m*_,t[7]=u*g+f*r+v*_,t[8]=i*e+c*w+p*P,t[9]=a*e+h*w+d*P,t[10]=s*e+l*w+m*P,t[11]=u*e+f*w+v*P,n!==t&&(t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15]);return t},e.rotateX=function(t,n,e){var r=Math.sin(e),o=Math.cos(e),i=n[4],a=n[5],s=n[6],u=n[7],c=n[8],h=n[9],l=n[10],e=n[11];n!==t&&(t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15]);return t[4]=i*o+c*r,t[5]=a*o+h*r,t[6]=s*o+l*r,t[7]=u*o+e*r,t[8]=c*o-i*r,t[9]=h*o-a*r,t[10]=l*o-s*r,t[11]=e*o-u*r,t},e.rotateY=function(t,n,e){var r=Math.sin(e),o=Math.cos(e),i=n[0],a=n[1],s=n[2],u=n[3],c=n[8],h=n[9],l=n[10],e=n[11];n!==t&&(t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15]);return t[0]=i*o-c*r,t[1]=a*o-h*r,t[2]=s*o-l*r,t[3]=u*o-e*r,t[8]=i*r+c*o,t[9]=a*r+h*o,t[10]=s*r+l*o,t[11]=u*r+e*o,t},e.rotateZ=function(t,n,e){var r=Math.sin(e),o=Math.cos(e),i=n[0],a=n[1],s=n[2],u=n[3],c=n[4],h=n[5],l=n[6],e=n[7];n!==t&&(t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15]);return t[0]=i*o+c*r,t[1]=a*o+h*r,t[2]=s*o+l*r,t[3]=u*o+e*r,t[4]=c*o-i*r,t[5]=h*o-a*r,t[6]=l*o-s*r,t[7]=e*o-u*r,t},e.fromTranslation=function(t,n){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=n[0],t[13]=n[1],t[14]=n[2],t[15]=1,t},e.fromScaling=function(t,n){return t[0]=n[0],t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=n[1],t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=n[2],t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},e.fromRotation=function(t,n,e){var r=e[0],o=e[1],i=e[2],a=Math.hypot(r,o,i);if(a<I.EPSILON)return null;return r*=a=1/a,o*=a,i*=a,e=Math.sin(n),a=Math.cos(n),n=1-a,t[0]=r*r*n+a,t[1]=o*r*n+i*e,t[2]=i*r*n-o*e,t[3]=0,t[4]=r*o*n-i*e,t[5]=o*o*n+a,t[6]=i*o*n+r*e,t[7]=0,t[8]=r*i*n+o*e,t[9]=o*i*n-r*e,t[10]=i*i*n+a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},e.fromXRotation=function(t,n){var e=Math.sin(n),n=Math.cos(n);return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=n,t[6]=e,t[7]=0,t[8]=0,t[9]=-e,t[10]=n,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},e.fromYRotation=function(t,n){var e=Math.sin(n),n=Math.cos(n);return t[0]=n,t[1]=0,t[2]=-e,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=e,t[9]=0,t[10]=n,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},e.fromZRotation=function(t,n){var e=Math.sin(n),n=Math.cos(n);return t[0]=n,t[1]=e,t[2]=0,t[3]=0,t[4]=-e,t[5]=n,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},e.fromRotationTranslation=f,e.fromQuat2=function(t,n){var e=new I.ARRAY_TYPE(3),r=-n[0],o=-n[1],i=-n[2],a=n[3],s=n[4],u=n[5],c=n[6],h=n[7],l=r*r+o*o+i*i+a*a;0<l?(e[0]=2*(s*a+h*r+u*i-c*o)/l,e[1]=2*(u*a+h*o+c*r-s*i)/l,e[2]=2*(c*a+h*i+s*o-u*r)/l):(e[0]=2*(s*a+h*r+u*i-c*o),e[1]=2*(u*a+h*o+c*r-s*i),e[2]=2*(c*a+h*i+s*o-u*r));return f(t,n,e),t},e.getTranslation=function(t,n){return t[0]=n[12],t[1]=n[13],t[2]=n[14],t},e.getScaling=p,e.getRotation=function(t,n){var e=new I.ARRAY_TYPE(3);p(e,n);var r=1/e[0],o=1/e[1],i=1/e[2],a=n[0]*r,s=n[1]*o,u=n[2]*i,c=n[4]*r,h=n[5]*o,l=n[6]*i,e=n[8]*r,r=n[9]*o,o=n[10]*i,n=a+h+o,i=0;0<n?(i=2*Math.sqrt(1+n),t[3]=.25*i,t[0]=(l-r)/i,t[1]=(e-u)/i,t[2]=(s-c)/i):h<a&&o<a?(i=2*Math.sqrt(1+a-h-o),t[3]=(l-r)/i,t[0]=.25*i,t[1]=(s+c)/i,t[2]=(e+u)/i):o<h?(i=2*Math.sqrt(1+h-a-o),t[3]=(e-u)/i,t[0]=(s+c)/i,t[1]=.25*i,t[2]=(l+r)/i):(i=2*Math.sqrt(1+o-a-h),t[3]=(s-c)/i,t[0]=(e+u)/i,t[1]=(l+r)/i,t[2]=.25*i);return t},e.fromRotationTranslationScale=function(t,n,e,r){var o=n[0],i=n[1],a=n[2],s=n[3],u=o+o,c=i+i,h=a+a,l=o*u,f=o*c,p=o*h,n=i*c,o=i*h,i=a*h,a=s*u,u=s*c,c=s*h,s=r[0],h=r[1],r=r[2];return t[0]=(1-(n+i))*s,t[1]=(f+c)*s,t[2]=(p-u)*s,t[3]=0,t[4]=(f-c)*h,t[5]=(1-(l+i))*h,t[6]=(o+a)*h,t[7]=0,t[8]=(p+u)*r,t[9]=(o-a)*r,t[10]=(1-(l+n))*r,t[11]=0,t[12]=e[0],t[13]=e[1],t[14]=e[2],t[15]=1,t},e.fromRotationTranslationScaleOrigin=function(t,n,e,r,o){var i=n[0],a=n[1],s=n[2],u=n[3],c=i+i,h=a+a,l=s+s,f=i*c,p=i*h,d=i*l,m=a*h,v=a*l,y=s*l,b=u*c,n=u*h,i=u*l,a=r[0],s=r[1],c=r[2],h=o[0],u=o[1],l=o[2],r=(1-(m+y))*a,o=(p+i)*a,a=(d-n)*a,i=(p-i)*s,y=(1-(f+y))*s,s=(v+b)*s,n=(d+n)*c,b=(v-b)*c,c=(1-(f+m))*c;return t[0]=r,t[1]=o,t[2]=a,t[3]=0,t[4]=i,t[5]=y,t[6]=s,t[7]=0,t[8]=n,t[9]=b,t[10]=c,t[11]=0,t[12]=e[0]+h-(r*h+i*u+n*l),t[13]=e[1]+u-(o*h+y*u+b*l),t[14]=e[2]+l-(a*h+s*u+c*l),t[15]=1,t},e.fromQuat=function(t,n){var e=n[0],r=n[1],o=n[2],i=n[3],a=e+e,s=r+r,u=o+o,c=e*a,h=r*a,n=r*s,e=o*a,r=o*s,o=o*u,a=i*a,s=i*s,u=i*u;return t[0]=1-n-o,t[1]=h+u,t[2]=e-s,t[3]=0,t[4]=h-u,t[5]=1-c-o,t[6]=r+a,t[7]=0,t[8]=e+s,t[9]=r-a,t[10]=1-c-n,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},e.frustum=function(t,n,e,r,o,i,a){var s=1/(e-n),u=1/(o-r),c=1/(i-a);return t[0]=2*i*s,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=2*i*u,t[6]=0,t[7]=0,t[8]=(e+n)*s,t[9]=(o+r)*u,t[10]=(a+i)*c,t[11]=-1,t[12]=0,t[13]=0,t[14]=a*i*2*c,t[15]=0,t},e.perspective=function(t,n,e,r,o){n=1/Math.tan(n/2);t[0]=n/e,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=n,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[11]=-1,t[12]=0,t[13]=0,t[15]=0,null!=o&&o!==1/0?(n=1/(r-o),t[10]=(o+r)*n,t[14]=2*o*r*n):(t[10]=-1,t[14]=-2*r);return t},e.perspectiveFromFieldOfView=function(t,n,e,r){var o=Math.tan(n.upDegrees*Math.PI/180),i=Math.tan(n.downDegrees*Math.PI/180),a=Math.tan(n.leftDegrees*Math.PI/180),s=Math.tan(n.rightDegrees*Math.PI/180),u=2/(a+s),n=2/(o+i);return t[0]=u,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=n,t[6]=0,t[7]=0,t[8]=-(a-s)*u*.5,t[9]=(o-i)*n*.5,t[10]=r/(e-r),t[11]=-1,t[12]=0,t[13]=0,t[14]=r*e/(e-r),t[15]=0,t},e.ortho=function(t,n,e,r,o,i,a){var s=1/(n-e),u=1/(r-o),c=1/(i-a);return t[0]=-2*s,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=-2*u,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=2*c,t[11]=0,t[12]=(n+e)*s,t[13]=(o+r)*u,t[14]=(a+i)*c,t[15]=1,t},e.lookAt=function(t,n,e,r){var o,i=n[0],a=n[1],s=n[2],u=r[0],c=r[1],h=r[2],l=e[0],f=e[1],p=e[2];if(Math.abs(i-l)<I.EPSILON&&Math.abs(a-f)<I.EPSILON&&Math.abs(s-p)<I.EPSILON)return d(t);o=i-l,n=a-f,r=s-p,e=1/Math.hypot(o,n,r),l=c*(r*=e)-h*(n*=e),f=h*(o*=e)-u*r,p=u*n-c*o,(e=Math.hypot(l,f,p))?(l*=e=1/e,f*=e,p*=e):p=f=l=0;h=n*p-r*f,u=r*l-o*p,c=o*f-n*l,(e=Math.hypot(h,u,c))?(h*=e=1/e,u*=e,c*=e):c=u=h=0;return t[0]=l,t[1]=h,t[2]=o,t[3]=0,t[4]=f,t[5]=u,t[6]=n,t[7]=0,t[8]=p,t[9]=c,t[10]=r,t[11]=0,t[12]=-(l*i+f*a+p*s),t[13]=-(h*i+u*a+c*s),t[14]=-(o*i+n*a+r*s),t[15]=1,t},e.targetTo=function(t,n,e,r){var o=n[0],i=n[1],a=n[2],s=r[0],u=r[1],c=r[2],h=o-e[0],l=i-e[1],n=a-e[2],r=h*h+l*l+n*n;0<r&&(r=1/Math.sqrt(r),h*=r,l*=r,n*=r);e=u*n-c*l,c=c*h-s*n,u=s*l-u*h;0<(r=e*e+c*c+u*u)&&(r=1/Math.sqrt(r),e*=r,c*=r,u*=r);return t[0]=e,t[1]=c,t[2]=u,t[3]=0,t[4]=l*u-n*c,t[5]=n*e-h*u,t[6]=h*c-l*e,t[7]=0,t[8]=h,t[9]=l,t[10]=n,t[11]=0,t[12]=o,t[13]=i,t[14]=a,t[15]=1,t},e.str=function(t){return"mat4("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+", "+t[4]+", "+t[5]+", "+t[6]+", "+t[7]+", "+t[8]+", "+t[9]+", "+t[10]+", "+t[11]+", "+t[12]+", "+t[13]+", "+t[14]+", "+t[15]+")"},e.frob=function(t){return Math.hypot(t[0],t[1],t[2],t[3],t[4],t[5],t[6],t[7],t[8],t[9],t[10],t[11],t[12],t[13],t[14],t[15])},e.add=function(t,n,e){return t[0]=n[0]+e[0],t[1]=n[1]+e[1],t[2]=n[2]+e[2],t[3]=n[3]+e[3],t[4]=n[4]+e[4],t[5]=n[5]+e[5],t[6]=n[6]+e[6],t[7]=n[7]+e[7],t[8]=n[8]+e[8],t[9]=n[9]+e[9],t[10]=n[10]+e[10],t[11]=n[11]+e[11],t[12]=n[12]+e[12],t[13]=n[13]+e[13],t[14]=n[14]+e[14],t[15]=n[15]+e[15],t},e.subtract=o,e.multiplyScalar=function(t,n,e){return t[0]=n[0]*e,t[1]=n[1]*e,t[2]=n[2]*e,t[3]=n[3]*e,t[4]=n[4]*e,t[5]=n[5]*e,t[6]=n[6]*e,t[7]=n[7]*e,t[8]=n[8]*e,t[9]=n[9]*e,t[10]=n[10]*e,t[11]=n[11]*e,t[12]=n[12]*e,t[13]=n[13]*e,t[14]=n[14]*e,t[15]=n[15]*e,t},e.multiplyScalarAndAdd=function(t,n,e,r){return t[0]=n[0]+e[0]*r,t[1]=n[1]+e[1]*r,t[2]=n[2]+e[2]*r,t[3]=n[3]+e[3]*r,t[4]=n[4]+e[4]*r,t[5]=n[5]+e[5]*r,t[6]=n[6]+e[6]*r,t[7]=n[7]+e[7]*r,t[8]=n[8]+e[8]*r,t[9]=n[9]+e[9]*r,t[10]=n[10]+e[10]*r,t[11]=n[11]+e[11]*r,t[12]=n[12]+e[12]*r,t[13]=n[13]+e[13]*r,t[14]=n[14]+e[14]*r,t[15]=n[15]+e[15]*r,t},e.exactEquals=function(t,n){return t[0]===n[0]&&t[1]===n[1]&&t[2]===n[2]&&t[3]===n[3]&&t[4]===n[4]&&t[5]===n[5]&&t[6]===n[6]&&t[7]===n[7]&&t[8]===n[8]&&t[9]===n[9]&&t[10]===n[10]&&t[11]===n[11]&&t[12]===n[12]&&t[13]===n[13]&&t[14]===n[14]&&t[15]===n[15]},e.equals=function(t,n){var e=t[0],r=t[1],o=t[2],i=t[3],a=t[4],s=t[5],u=t[6],c=t[7],h=t[8],l=t[9],f=t[10],p=t[11],d=t[12],m=t[13],v=t[14],y=t[15],b=n[0],M=n[1],g=n[2],w=n[3],P=n[4],x=n[5],O=n[6],S=n[7],_=n[8],E=n[9],A=n[10],j=n[11],L=n[12],R=n[13],t=n[14],n=n[15];return Math.abs(e-b)<=I.EPSILON*Math.max(1,Math.abs(e),Math.abs(b))&&Math.abs(r-M)<=I.EPSILON*Math.max(1,Math.abs(r),Math.abs(M))&&Math.abs(o-g)<=I.EPSILON*Math.max(1,Math.abs(o),Math.abs(g))&&Math.abs(i-w)<=I.EPSILON*Math.max(1,Math.abs(i),Math.abs(w))&&Math.abs(a-P)<=I.EPSILON*Math.max(1,Math.abs(a),Math.abs(P))&&Math.abs(s-x)<=I.EPSILON*Math.max(1,Math.abs(s),Math.abs(x))&&Math.abs(u-O)<=I.EPSILON*Math.max(1,Math.abs(u),Math.abs(O))&&Math.abs(c-S)<=I.EPSILON*Math.max(1,Math.abs(c),Math.abs(S))&&Math.abs(h-_)<=I.EPSILON*Math.max(1,Math.abs(h),Math.abs(_))&&Math.abs(l-E)<=I.EPSILON*Math.max(1,Math.abs(l),Math.abs(E))&&Math.abs(f-A)<=I.EPSILON*Math.max(1,Math.abs(f),Math.abs(A))&&Math.abs(p-j)<=I.EPSILON*Math.max(1,Math.abs(p),Math.abs(j))&&Math.abs(d-L)<=I.EPSILON*Math.max(1,Math.abs(d),Math.abs(L))&&Math.abs(m-R)<=I.EPSILON*Math.max(1,Math.abs(m),Math.abs(R))&&Math.abs(v-t)<=I.EPSILON*Math.max(1,Math.abs(v),Math.abs(t))&&Math.abs(y-n)<=I.EPSILON*Math.max(1,Math.abs(y),Math.abs(n))},e.sub=e.mul=void 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t=this.basis,n=this._matrix=i.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},n.prototype.lerp=function(t,n){r.lerp(t,this.prevJoint,this.nextJoint,n)},n.prototype.center=function(){if(this._center)return this._center;var t=r.create();return this.lerp(t,.5),this._center=t},n.prototype.direction=function(){return[-1*this.basis[2][0],-1*this.basis[2][1],-1*this.basis[2][2]]}},{"./pointable":14,"gl-matrix":22}],2:[function(t,n,e){n=n.exports=function(t){this.pos=0,this._buf=[],this.size=t};n.prototype.get=function(t){if(null==t&&(t=0),!(t>=this.size||t>=this._buf.length))return this._buf[(this.pos-t-1)%this.size]},n.prototype.push=function(t){return this._buf[this.pos%this.size]=t,this.pos++}},{}],3:[function(t,n,e){var r=t("../protocol").chooseProtocol,t=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,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.on("ready",function(){this.setBackground(this.opts.background),this.setOptimizeHMD(this.opts.optimizeHMD),this.opts.optimizeHMD?console.log("Optimized for head mounted display 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&&(this.optimizeHMD=this.opts.optimizeHMD,this.protocol.sendOptimizeHMD(this,this.opts.optimizeHMD))},o.prototype.handleOpen=function(){this.connected||(this.connected=!0,this.emit("connect"))},o.prototype.handleClose=function(t,n){this.connected&&(this.disconnect(),1001===t&&1<this.opts.requestProtocolVersion&&(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.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,t=JSON.parse(t);void 0===this.protocol?(n=this.protocol=r(t),this.protocolVersionVerified=!0,this.emit("ready")):n=this.protocol(t),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,t.prototype)},{"../protocol":15,events:20}],4:[function(t,n,e){var r=n.exports=t("./base"),n=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(n.prototype,r.prototype),n.__proto__=r,n.prototype.useSecure=function(){return"https:"===location.protocol},n.prototype.getScheme=function(){return this.useSecure()?"wss:":"ws:"},n.prototype.getPort=function(){return this.useSecure()?6436:6437},n.prototype.setupSocket=function(){var n=this,t=new WebSocket(this.getUrl());return t.onopen=function(){n.handleOpen()},t.onclose=function(t){n.handleClose(t.code,t.reason)},t.onmessage=function(t){n.handleData(t.data)},t.onerror=function(t){n.useSecure()&&"wss:"===n.scheme&&(n.scheme="ws:",n.port=6437,n.disconnect(),n.connect())},t},n.prototype.startFocusLoop=function(){var n,e,t,r,o;this.focusDetectorTimer||(n=this,e=null,e=void 0!==document.hidden?"hidden":void 0!==document.mozHidden?"mozHidden":void 0!==document.msHidden?"msHidden":void 0!==document.webkitHidden?"webkitHidden":void 0,void 0===n.windowVisible&&(n.windowVisible=void 0===e||!1===document[e]),t=window.addEventListener("focus",function(t){n.windowVisible=!0,o()}),r=window.addEventListener("blur",function(t){n.windowVisible=!1,o()}),this.on("disconnect",function(){window.removeEventListener("focus",t),window.removeEventListener("blur",r)}),(o=function(){var t=void 0===e||!1===document[e];n.reportFocus(t&&n.windowVisible)})(),this.focusDetectorTimer=setInterval(o,100))},n.prototype.stopFocusLoop=function(){this.focusDetectorTimer&&(clearTimeout(this.focusDetectorTimer),delete this.focusDetectorTimer)}},{"./base":3}],5:[function(t,n,e){var r=t("ws"),o=t("./base"),n=n.exports=function(t){o.call(this,t);var n=this;this.on("ready",function(){n.reportFocus(!0)})};Object.assign(n.prototype,o.prototype),n.__proto__=o,n.prototype.setupSocket=function(){var e=this,t=new r(this.getUrl());return t.on("open",function(){e.handleOpen()}),t.on("message",function(t){e.handleData(t)}),t.on("close",function(t,n){e.handleClose(t,n)}),t.on("error",function(){e.startReconnection()}),t}},{"./base":3,ws:33}],6:[function(d,n,t){(function(p){(function(){var o=d("./frame"),i=d("./hand"),a=d("./pointable"),s=d("./finger"),r=d("./circular_buffer"),u=d("./pipeline"),t=d("events").EventEmitter,c=d("./dialog"),h=n.exports=function(t){var n=void 0!==p&&p.versions&&p.versions.node,e=this;this.inNode=n,t=Object.assign({inNode:this.inNode,frameEventName:this.useAnimationLoop()?"animationFrame":"deviceFrame",suppressAnimationLoop:!this.useAnimationLoop(),loopWhileDisconnected:!0,useAllPlugins:!1,checkVersion:!0},t||{}),this.animationFrameRequested=!1,this.onAnimationFrame=function(t){e.lastConnectionFrame.valid&&e.emit("animationFrame",e.lastConnectionFrame),e.emit("frameEnd",t),e.loopWhileDisconnected&&(!1!==e.connection.focusedState||e.connection.opts.background)?window.requestAnimationFrame(e.onAnimationFrame):e.animationFrameRequested=!1},this.suppressAnimationLoop=t.suppressAnimationLoop,this.loopWhileDisconnected=t.loopWhileDisconnected,this.frameEventName=t.frameEventName,this.useAllPlugins=t.useAllPlugins,this.history=new r(200),this.lastFrame=o.Invalid,this.lastValidFrame=o.Invalid,this.lastConnectionFrame=o.Invalid,this.checkVersion=t.checkVersion,void 0===t.connectionType?this.connectionType=this.inBrowser()?d("./connection/browser"):d("./connection/node"):this.connectionType=t.connectionType,this.connection=new this.connectionType(t),this.streamingCount=0,this.devices={},this.plugins={},this._pluginPipelineSteps={},this._pluginExtendedMethods={},t.useAllPlugins&&this.useRegisteredPlugins(),this.setupFrameEvents(t),this.setupConnectionEvents(),this.startAnimationLoop()};h.prototype.setBackground=function(t){return this.connection.setBackground(t),this},h.prototype.setOptimizeHMD=function(t){return this.connection.setOptimizeHMD(t),this},h.prototype.inBrowser=function(){return!this.inNode},h.prototype.useAnimationLoop=function(){return this.inBrowser()&&!this.inBackgroundPage()},h.prototype.inBackgroundPage=function(){return"undefined"!=typeof chrome&&chrome.extension&&chrome.extension.getBackgroundPage&&chrome.extension.getBackgroundPage()===window},h.prototype.connect=function(){return this.connection.connect(),this},h.prototype.streaming=function(){return 0<this.streamingCount},h.prototype.connected=function(){return!!this.connection.connected},h.prototype.startAnimationLoop=function(){this.suppressAnimationLoop||this.animationFrameRequested||(this.animationFrameRequested=!0,window.requestAnimationFrame(this.onAnimationFrame))},h.prototype.disconnect=function(){return this.connection.disconnect(),this},h.prototype.frame=function(t){return this.history.get(t)||o.Invalid},h.prototype.loop=function(t){return t&&("function"==typeof t?this.on(this.frameEventName,t):this.setupFrameEvents(t)),this.connect()},h.prototype.addStep=function(t){this.pipeline||(this.pipeline=new u(this)),this.pipeline.addStep(t)},h.prototype.processFrame=function(t){this.lastConnectionFrame=t,this.startAnimationLoop(),this.emit("deviceFrame",t)},h.prototype.processFinishedFrame=function(t){(this.lastFrame=t).valid&&(this.lastValidFrame=t),t.controller=this,t.historyIdx=this.history.push(t),this.pipeline&&(t=(t=this.pipeline.run(t))||o.Invalid),this.emit("frame",t),this.emitHandEvents(t)},h.prototype.emitHandEvents=function(t){for(var n=0;n<t.hands.length;n++)this.emit("hand",t.hands[n])},h.prototype.setupFrameEvents=function(t){t.frame&&this.on("frame",t.frame),t.hand&&this.on("hand",t.hand)},h.prototype.setupConnectionEvents=function(){var i=this;this.connection.on("frame",function(t){i.processFrame(t)}),this.on(this.frameEventName,function(t){i.processFinishedFrame(t)});function n(){if(0<i.streamingCount){for(var t in i.devices)i.emit("deviceStopped",i.devices[t]),i.emit("deviceRemoved",i.devices[t]);for(var t in i.emit("streamingStopped",i.devices[t]),i.streamingCount=0,i.devices)delete i.devices[t]}}var e=function(){var t;i.connection.opts.requestProtocolVersion<5&&0==i.streamingCount&&(i.streamingCount=1,t={attached:!0,streaming:!0,type:"unknown",id:"Lx00000000000"},i.devices[t.id]=t,i.emit("deviceAttached",t),i.emit("deviceStreaming",t),i.emit("streamingStarted",t),i.connection.removeListener("frame",e))};this.connection.on("focus",function(){i.loopWhileDisconnected&&i.startAnimationLoop(),i.emit("focus")}),this.connection.on("blur",function(){i.emit("blur")}),this.connection.on("protocol",function(t){t.on("beforeFrameCreated",function(t){i.emit("beforeFrameCreated",t)}),t.on("afterFrameCreated",function(t,n){i.emit("afterFrameCreated",t,n)}),i.emit("protocol",t)}),this.connection.on("ready",function(){i.checkVersion&&!i.inNode&&i.checkOutOfDate(),i.emit("ready")}),this.connection.on("connect",function(){i.emit("connect"),i.connection.removeListener("frame",e),i.connection.on("frame",e)}),this.connection.on("disconnect",function(){i.emit("disconnect"),n()}),this.connection.on("deviceConnect",function(t){t.state?(i.emit("deviceConnected"),i.connection.removeListener("frame",e),i.connection.on("frame",e)):(i.emit("deviceDisconnected"),n())}),this.connection.on("deviceEvent",function(t){var n,e=t.state,r=i.devices[e.id],o={};for(n in e)r&&r.hasOwnProperty(n)&&r[n]==e[n]||(o[n]=!0);i.devices[e.id]=e,o.attached&&i.emit(e.attached?"deviceAttached":"deviceRemoved",e),o.streaming&&(e.streaming?(i.streamingCount++,i.emit("deviceStreaming",e),1==i.streamingCount&&i.emit("streamingStarted",e),o.attached||i.emit("deviceConnected")):o.attached&&e.attached||(i.streamingCount--,i.emit("deviceStopped",e),0==i.streamingCount&&i.emit("streamingStopped",e),i.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")})},h.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 n<e&&(console.warn("Your Protocol Version is v"+n+", this app was designed for v"+e),c.warnOutOfDate({sV:t,pV:n}),!0)},h._pluginFactories={},h.plugin=function(t,n){return this._pluginFactories[t]&&console.warn('Plugin "'+t+'" already registered'),this._pluginFactories[t]=n},h.plugins=function(){return Object.keys(this._pluginFactories)};function l(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)))}function f(t,n,e){var r;switch(this._pluginExtendedMethods[t]||(this._pluginExtendedMethods[t]=[]),n){case"frame":r=o;break;case"hand":r=i;break;case"pointable":r=a,Object.assign(s.prototype,e),Object.assign(s.Invalid,e);break;case"finger":r=s;break;default:throw t+' specifies invalid object type "'+n+'" for prototypical extension'}Object.assign(r.prototype,e),Object.assign(r.Invalid,e),this._pluginExtendedMethods[t].push([r,e])}h.prototype.use=function(t,n){var e,r,o,i="function"==typeof t?t:h._pluginFactories[t];if(!i)throw"Leap Plugin "+t+" not found.";if(n=n||{},this.plugins[t])return Object.assign(this.plugins[t],n),this;for(r in this.plugins[t]=n,o=i.call(this,n))("function"==typeof(e=o[r])?l:f).call(this,t,r,e);return this},h.prototype.stopUsing=function(t){var n,e=this._pluginPipelineSteps[t],r=this._pluginExtendedMethods[t],o=0;if(this.plugins[t]){if(e)for(o=0;o<e.length;o++)this.pipeline.removeStep(e[o]);if(r)for(o=0;o<r.length;o++)for(var i in n=r[o][0],r[o][1])delete n.prototype[i],delete n.Invalid[i];return delete this.plugins[t],this}},h.prototype.useRegisteredPlugins=function(){for(var t in h._pluginFactories)this.use(t)},Object.assign(h.prototype,t.prototype)}).call(this)}).call(this,d("_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:20}],7:[function(t,n,e){(function(t){(function(){var o=n.exports=function(t,n){this.options=n||{},this.message=t,this.createElement()};o.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)},o.prototype.show=function(){return document.body.appendChild(this.element),this},o.prototype.hide=function(){return document.body.removeChild(this.element),this},o.warnOutOfDate=function(t){var n,e="http://developer.leapmotion.com?";for(n in(t=t||{}).returnTo=window.location.href,t)e+=n+"="+encodeURIComponent(t[n])+"&";var r=new o("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:function(t){return"leapjs-decline-upgrade"!=t.target.id&&(t=window.open(e,"_blank","height=800,width=1000,location=1,menubar=1,resizable=1,status=1,toolbar=1,scrollbars=1"),window.focus&&t.focus()),r.hide(),!0},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"}});return r.show()},o.hasWarnedBones=!1,o.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"),o=t("./bone"),i=t("./dialog"),n=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):i.warnBones()};Object.assign(n.prototype,r.prototype),n.prototype.addBones=function(t){this.metacarpal=new o(this,{type:0,width:this.width,prevJoint:this.carpPosition,nextJoint:this.mcpPosition,basis:t.bases[0]}),this.proximal=new o(this,{type:1,width:this.width,prevJoint:this.mcpPosition,nextJoint:this.pipPosition,basis:t.bases[1]}),this.medial=new o(this,{type:2,width:this.width,prevJoint:this.pipPosition,nextJoint:this.dipPosition,basis:t.bases[2]}),this.distal=new o(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]},n.prototype.toString=function(){return"Finger [ id:"+this.id+" "+this.length+"mmx | width:"+this.width+"mm | direction:"+this.direction+" ]"},n.Invalid={valid:!1}},{"./bone":1,"./dialog":7,"./pointable":14}],9:[function(t,n,e){var u=t("./hand"),c=t("./pointable"),r=t("gl-matrix"),o=r.mat3,i=r.vec3,a=t("./interaction_box"),h=t("./finger"),n=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 a(t.interactionBox)),this.pointablesMap={},this._translation=t.t,this._rotation=function e(t){return Array.isArray(t)?t.reduce(function(t,n){return t.concat(e(n))},[]):[t]}(t.r),this._scaleFactor=t.s,this.data=t,this.type="frame",this.currentFrameRate=t.currentFrameRate,this.postprocessData(t)};n.prototype.postprocessData=function(t){for(var n=0,e=(t=t||this.data).hands.length;n!=e;n++){var r=new u(t.hands[n]);(r.frame=this).hands.push(r),this.handsMap[r.id]=r}var o;t.pointables.sort((o="id",function(t,n){return t[o]>n[o]?1:n[o]>t[o]?-1:0}));for(var i=0,a=t.pointables.length;i!=a;i++){var s=t.pointables[i],s=new(s.dipPosition?h:c)(s);(s.frame=this).addPointable(s)}},n.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}}},n.prototype.pointable=function(t){return this.pointablesMap[t]||c.Invalid},n.prototype.finger=function(t){return this.pointable(t)},n.prototype.hand=function(t){return this.handsMap[t]||u.Invalid},n.prototype.rotationAngle=function(t,n){if(!this.valid||!t.valid)return 0;var e=this.rotationMatrix(t),e=.5*(e[0]+e[4]+e[8]-1),e=Math.acos(e),e=isNaN(e)?0:e;return void 0!==n&&(t=this.rotationAxis(t),e*=i.dot(t,i.normalize(i.create(),n))),e},n.prototype.rotationAxis=function(t){return this.valid&&t.valid?i.normalize(i.create(),[this._rotation[7]-t._rotation[5],this._rotation[2]-t._rotation[6],this._rotation[3]-t._rotation[1]]):i.create()},n.prototype.rotationMatrix=function(t){if(!this.valid||!t.valid)return o.create();var n=o.transpose(o.create(),this._rotation);return o.multiply(o.create(),t._rotation,n)},n.prototype.scaleFactor=function(t){return this.valid&&t.valid?Math.exp(this._scaleFactor-t._scaleFactor):1},n.prototype.translation=function(t){return this.valid&&t.valid?i.subtract(i.create(),this._translation,t._translation):i.create()},n.prototype.toString=function(){var t="Frame [ id:"+this.id+" | timestamp:"+this.timestamp+" | Hand count:("+this.hands.length+") | Pointable count:("+this.pointables.length+")";return t+=" ]"},n.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,o=this.pointables.length;r!=o;r++)t+="  "+this.pointables[r].toString()+"<br/>";return t+="<br/><br/>Raw JSON:<br/>",t+=JSON.stringify(this.data)},n.Invalid={valid:!1,hands:[],fingers:[],pointables:[],pointable:function(){return c.Invalid},finger:function(){return c.Invalid},hand:function(){return u.Invalid},toString:function(){return"invalid frame"},dump:function(){return this.toString()},rotationAngle:function(){return 0},rotationMatrix:function(){return o.create()},rotationAxis:function(){return i.create()},scaleFactor:function(){return 1},translation:function(){return i.create()}}},{"./finger":8,"./hand":10,"./interaction_box":12,"./pointable":14,"gl-matrix":22}],10:[function(t,n,e){var r=t("./pointable"),o=t("./bone"),t=t("gl-matrix"),i=t.mat3,a=t.vec3,n=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 o(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 e(t){return Array.isArray(t)?t.reduce(function(t,n){return t.concat(e(n))},[]):[t]}(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};n.prototype.finger=function(t){t=this.frame.finger(t);return t&&t.handId==this.id?t:r.Invalid},n.prototype.rotationAngle=function(t,n){if(!this.valid||!t.valid)return 0;if(!t.hand(this.id).valid)return 0;var e=this.rotationMatrix(t),e=.5*(e[0]+e[4]+e[8]-1),e=Math.acos(e),e=isNaN(e)?0:e;return void 0!==n&&(t=this.rotationAxis(t),e*=a.dot(t,a.normalize(a.create(),n))),e},n.prototype.rotationAxis=function(t){if(!this.valid||!t.valid)return a.create();t=t.hand(this.id);return 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()},n.prototype.rotationMatrix=function(t){if(!this.valid||!t.valid)return i.create();var n=t.hand(this.id);if(!n.valid)return i.create();t=i.transpose(i.create(),this._rotation);return i.multiply(i.create(),n._rotation,t)},n.prototype.scaleFactor=function(t){if(!this.valid||!t.valid)return 1;t=t.hand(this.id);return t.valid?Math.exp(this._scaleFactor-t._scaleFactor):1},n.prototype.translation=function(t){if(!this.valid||!t.valid)return a.create();t=t.hand(this.id);return t.valid?[this._translation[0]-t._translation[0],this._translation[1]-t._translation[1],this._translation[2]-t._translation[2]]:a.create()},n.prototype.toString=function(){return"Hand ("+this.type+") [ id: "+this.id+" | palm velocity:"+this.palmVelocity+" | sphere center:"+this.sphereCenter+" ] "},n.prototype.pitch=function(){return Math.atan2(this.direction[1],-this.direction[2])},n.prototype.yaw=function(){return Math.atan2(this.direction[0],-this.direction[2])},n.prototype.roll=function(){return Math.atan2(this.palmNormal[0],-this.palmNormal[1])},n.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 i.create()},rotationAxis:function(){return a.create()},scaleFactor:function(){return 1},translation:function(){return a.create()}}},{"./bone":1,"./pointable":14,"gl-matrix":22}],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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t=t("events").EventEmitter,r=n.exports=function(t,n){this.start=new Vector(t),this.end=new Vector(n),this.enteredFrame=null};r.prototype.hasPointables=function(t){for(var n=0;n!=t.pointables.length;n++){var e=t.pointables[n].tipPosition;if(e.x>=this.start.x&&e.x<=this.end.x&&e.y>=this.start.y&&e.y<=this.end.y&&e.z>=this.start.z&&e.z<=this.end.z)return!0}return!1},r.prototype.listener=function(t){var n=this;return t&&t.nearThreshold&&this.setupNearRegion(t.nearThreshold),function(t){return n.updatePosition(t)}},r.prototype.clipper=function(){var n=this;return function(t){return n.updatePosition(t),n.enteredFrame?t:null}},r.prototype.setupNearRegion=function(t){var t=this.nearRegion=new r([this.start.x-t,this.start.y-t,this.start.z-t],[this.end.x+t,this.end.y+t,this.end.z+t]),n=this;t.on("enter",function(t){n.emit("near",t)}),t.on("exit",function(t){n.emit("far",t)}),n.on("exit",function(t){n.emit("near",t)})},r.prototype.updatePosition=function(t){return 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n?(n=1/n,t[0]=(s*j-u*A+c*E)*n,t[1]=(o*A-r*j-i*E)*n,t[2]=(m*x-v*P+y*w)*n,t[3]=(f*P-l*x-p*w)*n,t[4]=(u*_-a*j-c*S)*n,t[5]=(e*j-o*_+i*S)*n,t[6]=(v*g-d*x-y*M)*n,t[7]=(h*x-f*g+p*M)*n,t[8]=(a*A-s*_+c*O)*n,t[9]=(r*_-e*A-i*O)*n,t[10]=(d*P-m*g+y*b)*n,t[11]=(l*g-h*P-p*b)*n,t[12]=(s*S-a*E-u*O)*n,t[13]=(e*E-r*S+o*O)*n,t[14]=(m*M-d*w-v*b)*n,t[15]=(h*w-l*M+f*b)*n,t):null},e.adjoint=function(t,n){var e=n[0],r=n[1],o=n[2],i=n[3],a=n[4],s=n[5],u=n[6],c=n[7],h=n[8],l=n[9],f=n[10],p=n[11],d=n[12],m=n[13],v=n[14],n=n[15];return t[0]=s*(f*n-p*v)-l*(u*n-c*v)+m*(u*p-c*f),t[1]=-(r*(f*n-p*v)-l*(o*n-i*v)+m*(o*p-i*f)),t[2]=r*(u*n-c*v)-s*(o*n-i*v)+m*(o*c-i*u),t[3]=-(r*(u*p-c*f)-s*(o*p-i*f)+l*(o*c-i*u)),t[4]=-(a*(f*n-p*v)-h*(u*n-c*v)+d*(u*p-c*f)),t[5]=e*(f*n-p*v)-h*(o*n-i*v)+d*(o*p-i*f),t[6]=-(e*(u*n-c*v)-a*(o*n-i*v)+d*(o*c-i*u)),t[7]=e*(u*p-c*f)-a*(o*p-i*f)+h*(o*c-i*u),t[8]=a*(l*n-p*m)-h*(s*n-c*m)+d*(s*p-c*l),t[9]=-(e*(l*n-p*m)-h*(r*n-i*m)+d*(r*p-i*l)),t[10]=e*(s*n-c*m)-a*(r*n-i*m)+d*(r*c-i*s),t[11]=-(e*(s*p-c*l)-a*(r*p-i*l)+h*(r*c-i*s)),t[12]=-(a*(l*v-f*m)-h*(s*v-u*m)+d*(s*f-u*l)),t[13]=e*(l*v-f*m)-h*(r*v-o*m)+d*(r*f-o*l),t[14]=-(e*(s*v-u*m)-a*(r*v-o*m)+d*(r*u-o*s)),t[15]=e*(s*f-u*l)-a*(r*f-o*l)+h*(r*u-o*s),t},e.determinant=function(t){var 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t[0]=n[0]*r,t[1]=n[1]*r,t[2]=n[2]*r,t[3]=n[3]*r,t[4]=n[4]*o,t[5]=n[5]*o,t[6]=n[6]*o,t[7]=n[7]*o,t[8]=n[8]*e,t[9]=n[9]*e,t[10]=n[10]*e,t[11]=n[11]*e,t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15],t},e.rotate=function(t,n,e,r){var o,i,a,s,u,c,h,l,f,p,d,m,v,y,b,M,g,w,P,x=r[0],O=r[1],S=r[2],_=Math.hypot(x,O,S);if(_<I.EPSILON)return null;x*=_=1/_,O*=_,S*=_,w=Math.sin(e),P=Math.cos(e),o=1-P,i=n[0],a=n[1],s=n[2],u=n[3],c=n[4],h=n[5],l=n[6],f=n[7],p=n[8],d=n[9],m=n[10],v=n[11],y=x*x*o+P,b=O*x*o+S*w,M=S*x*o-O*w,g=x*O*o-S*w,r=O*O*o+P,_=S*O*o+x*w,e=x*S*o+O*w,w=O*S*o-x*w,P=S*S*o+P,t[0]=i*y+c*b+p*M,t[1]=a*y+h*b+d*M,t[2]=s*y+l*b+m*M,t[3]=u*y+f*b+v*M,t[4]=i*g+c*r+p*_,t[5]=a*g+h*r+d*_,t[6]=s*g+l*r+m*_,t[7]=u*g+f*r+v*_,t[8]=i*e+c*w+p*P,t[9]=a*e+h*w+d*P,t[10]=s*e+l*w+m*P,t[11]=u*e+f*w+v*P,n!==t&&(t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15]);return t},e.rotateX=function(t,n,e){var r=Math.sin(e),o=Math.cos(e),i=n[4],a=n[5],s=n[6],u=n[7],c=n[8],h=n[9],l=n[10],e=n[11];n!==t&&(t[0]=n[0],t[1]=n[1],t[2]=n[2],t[3]=n[3],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15]);return t[4]=i*o+c*r,t[5]=a*o+h*r,t[6]=s*o+l*r,t[7]=u*o+e*r,t[8]=c*o-i*r,t[9]=h*o-a*r,t[10]=l*o-s*r,t[11]=e*o-u*r,t},e.rotateY=function(t,n,e){var r=Math.sin(e),o=Math.cos(e),i=n[0],a=n[1],s=n[2],u=n[3],c=n[8],h=n[9],l=n[10],e=n[11];n!==t&&(t[4]=n[4],t[5]=n[5],t[6]=n[6],t[7]=n[7],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15]);return t[0]=i*o-c*r,t[1]=a*o-h*r,t[2]=s*o-l*r,t[3]=u*o-e*r,t[8]=i*r+c*o,t[9]=a*r+h*o,t[10]=s*r+l*o,t[11]=u*r+e*o,t},e.rotateZ=function(t,n,e){var r=Math.sin(e),o=Math.cos(e),i=n[0],a=n[1],s=n[2],u=n[3],c=n[4],h=n[5],l=n[6],e=n[7];n!==t&&(t[8]=n[8],t[9]=n[9],t[10]=n[10],t[11]=n[11],t[12]=n[12],t[13]=n[13],t[14]=n[14],t[15]=n[15]);return t[0]=i*o+c*r,t[1]=a*o+h*r,t[2]=s*o+l*r,t[3]=u*o+e*r,t[4]=c*o-i*r,t[5]=h*o-a*r,t[6]=l*o-s*r,t[7]=e*o-u*r,t},e.fromTranslation=function(t,n){return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=n[0],t[13]=n[1],t[14]=n[2],t[15]=1,t},e.fromScaling=function(t,n){return t[0]=n[0],t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=n[1],t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=n[2],t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},e.fromRotation=function(t,n,e){var r=e[0],o=e[1],i=e[2],a=Math.hypot(r,o,i);if(a<I.EPSILON)return null;return r*=a=1/a,o*=a,i*=a,e=Math.sin(n),a=Math.cos(n),n=1-a,t[0]=r*r*n+a,t[1]=o*r*n+i*e,t[2]=i*r*n-o*e,t[3]=0,t[4]=r*o*n-i*e,t[5]=o*o*n+a,t[6]=i*o*n+r*e,t[7]=0,t[8]=r*i*n+o*e,t[9]=o*i*n-r*e,t[10]=i*i*n+a,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},e.fromXRotation=function(t,n){var e=Math.sin(n),n=Math.cos(n);return t[0]=1,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=n,t[6]=e,t[7]=0,t[8]=0,t[9]=-e,t[10]=n,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},e.fromYRotation=function(t,n){var e=Math.sin(n),n=Math.cos(n);return t[0]=n,t[1]=0,t[2]=-e,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=e,t[9]=0,t[10]=n,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},e.fromZRotation=function(t,n){var e=Math.sin(n),n=Math.cos(n);return t[0]=n,t[1]=e,t[2]=0,t[3]=0,t[4]=-e,t[5]=n,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},e.fromRotationTranslation=f,e.fromQuat2=function(t,n){var e=new I.ARRAY_TYPE(3),r=-n[0],o=-n[1],i=-n[2],a=n[3],s=n[4],u=n[5],c=n[6],h=n[7],l=r*r+o*o+i*i+a*a;0<l?(e[0]=2*(s*a+h*r+u*i-c*o)/l,e[1]=2*(u*a+h*o+c*r-s*i)/l,e[2]=2*(c*a+h*i+s*o-u*r)/l):(e[0]=2*(s*a+h*r+u*i-c*o),e[1]=2*(u*a+h*o+c*r-s*i),e[2]=2*(c*a+h*i+s*o-u*r));return f(t,n,e),t},e.getTranslation=function(t,n){return t[0]=n[12],t[1]=n[13],t[2]=n[14],t},e.getScaling=p,e.getRotation=function(t,n){var e=new I.ARRAY_TYPE(3);p(e,n);var r=1/e[0],o=1/e[1],i=1/e[2],a=n[0]*r,s=n[1]*o,u=n[2]*i,c=n[4]*r,h=n[5]*o,l=n[6]*i,e=n[8]*r,r=n[9]*o,o=n[10]*i,n=a+h+o,i=0;0<n?(i=2*Math.sqrt(1+n),t[3]=.25*i,t[0]=(l-r)/i,t[1]=(e-u)/i,t[2]=(s-c)/i):h<a&&o<a?(i=2*Math.sqrt(1+a-h-o),t[3]=(l-r)/i,t[0]=.25*i,t[1]=(s+c)/i,t[2]=(e+u)/i):o<h?(i=2*Math.sqrt(1+h-a-o),t[3]=(e-u)/i,t[0]=(s+c)/i,t[1]=.25*i,t[2]=(l+r)/i):(i=2*Math.sqrt(1+o-a-h),t[3]=(s-c)/i,t[0]=(e+u)/i,t[1]=(l+r)/i,t[2]=.25*i);return t},e.fromRotationTranslationScale=function(t,n,e,r){var o=n[0],i=n[1],a=n[2],s=n[3],u=o+o,c=i+i,h=a+a,l=o*u,f=o*c,p=o*h,n=i*c,o=i*h,i=a*h,a=s*u,u=s*c,c=s*h,s=r[0],h=r[1],r=r[2];return t[0]=(1-(n+i))*s,t[1]=(f+c)*s,t[2]=(p-u)*s,t[3]=0,t[4]=(f-c)*h,t[5]=(1-(l+i))*h,t[6]=(o+a)*h,t[7]=0,t[8]=(p+u)*r,t[9]=(o-a)*r,t[10]=(1-(l+n))*r,t[11]=0,t[12]=e[0],t[13]=e[1],t[14]=e[2],t[15]=1,t},e.fromRotationTranslationScaleOrigin=function(t,n,e,r,o){var i=n[0],a=n[1],s=n[2],u=n[3],c=i+i,h=a+a,l=s+s,f=i*c,p=i*h,d=i*l,m=a*h,v=a*l,y=s*l,b=u*c,n=u*h,i=u*l,a=r[0],s=r[1],c=r[2],h=o[0],u=o[1],l=o[2],r=(1-(m+y))*a,o=(p+i)*a,a=(d-n)*a,i=(p-i)*s,y=(1-(f+y))*s,s=(v+b)*s,n=(d+n)*c,b=(v-b)*c,c=(1-(f+m))*c;return t[0]=r,t[1]=o,t[2]=a,t[3]=0,t[4]=i,t[5]=y,t[6]=s,t[7]=0,t[8]=n,t[9]=b,t[10]=c,t[11]=0,t[12]=e[0]+h-(r*h+i*u+n*l),t[13]=e[1]+u-(o*h+y*u+b*l),t[14]=e[2]+l-(a*h+s*u+c*l),t[15]=1,t},e.fromQuat=function(t,n){var e=n[0],r=n[1],o=n[2],i=n[3],a=e+e,s=r+r,u=o+o,c=e*a,h=r*a,n=r*s,e=o*a,r=o*s,o=o*u,a=i*a,s=i*s,u=i*u;return t[0]=1-n-o,t[1]=h+u,t[2]=e-s,t[3]=0,t[4]=h-u,t[5]=1-c-o,t[6]=r+a,t[7]=0,t[8]=e+s,t[9]=r-a,t[10]=1-c-n,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},e.frustum=function(t,n,e,r,o,i,a){var s=1/(e-n),u=1/(o-r),c=1/(i-a);return t[0]=2*i*s,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=2*i*u,t[6]=0,t[7]=0,t[8]=(e+n)*s,t[9]=(o+r)*u,t[10]=(a+i)*c,t[11]=-1,t[12]=0,t[13]=0,t[14]=a*i*2*c,t[15]=0,t},e.perspective=function(t,n,e,r,o){n=1/Math.tan(n/2);t[0]=n/e,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=n,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[11]=-1,t[12]=0,t[13]=0,t[15]=0,null!=o&&o!==1/0?(n=1/(r-o),t[10]=(o+r)*n,t[14]=2*o*r*n):(t[10]=-1,t[14]=-2*r);return t},e.perspectiveFromFieldOfView=function(t,n,e,r){var o=Math.tan(n.upDegrees*Math.PI/180),i=Math.tan(n.downDegrees*Math.PI/180),a=Math.tan(n.leftDegrees*Math.PI/180),s=Math.tan(n.rightDegrees*Math.PI/180),u=2/(a+s),n=2/(o+i);return t[0]=u,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=n,t[6]=0,t[7]=0,t[8]=-(a-s)*u*.5,t[9]=(o-i)*n*.5,t[10]=r/(e-r),t[11]=-1,t[12]=0,t[13]=0,t[14]=r*e/(e-r),t[15]=0,t},e.ortho=function(t,n,e,r,o,i,a){var s=1/(n-e),u=1/(r-o),c=1/(i-a);return t[0]=-2*s,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=-2*u,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=2*c,t[11]=0,t[12]=(n+e)*s,t[13]=(o+r)*u,t[14]=(a+i)*c,t[15]=1,t},e.lookAt=function(t,n,e,r){var o,i=n[0],a=n[1],s=n[2],u=r[0],c=r[1],h=r[2],l=e[0],f=e[1],p=e[2];if(Math.abs(i-l)<I.EPSILON&&Math.abs(a-f)<I.EPSILON&&Math.abs(s-p)<I.EPSILON)return d(t);o=i-l,n=a-f,r=s-p,e=1/Math.hypot(o,n,r),l=c*(r*=e)-h*(n*=e),f=h*(o*=e)-u*r,p=u*n-c*o,(e=Math.hypot(l,f,p))?(l*=e=1/e,f*=e,p*=e):p=f=l=0;h=n*p-r*f,u=r*l-o*p,c=o*f-n*l,(e=Math.hypot(h,u,c))?(h*=e=1/e,u*=e,c*=e):c=u=h=0;return t[0]=l,t[1]=h,t[2]=o,t[3]=0,t[4]=f,t[5]=u,t[6]=n,t[7]=0,t[8]=p,t[9]=c,t[10]=r,t[11]=0,t[12]=-(l*i+f*a+p*s),t[13]=-(h*i+u*a+c*s),t[14]=-(o*i+n*a+r*s),t[15]=1,t},e.targetTo=function(t,n,e,r){var o=n[0],i=n[1],a=n[2],s=r[0],u=r[1],c=r[2],h=o-e[0],l=i-e[1],n=a-e[2],r=h*h+l*l+n*n;0<r&&(r=1/Math.sqrt(r),h*=r,l*=r,n*=r);e=u*n-c*l,c=c*h-s*n,u=s*l-u*h;0<(r=e*e+c*c+u*u)&&(r=1/Math.sqrt(r),e*=r,c*=r,u*=r);return t[0]=e,t[1]=c,t[2]=u,t[3]=0,t[4]=l*u-n*c,t[5]=n*e-h*u,t[6]=h*c-l*e,t[7]=0,t[8]=h,t[9]=l,t[10]=n,t[11]=0,t[12]=o,t[13]=i,t[14]=a,t[15]=1,t},e.str=function(t){return"mat4("+t[0]+", "+t[1]+", "+t[2]+", "+t[3]+", "+t[4]+", "+t[5]+", "+t[6]+", "+t[7]+", "+t[8]+", "+t[9]+", "+t[10]+", "+t[11]+", "+t[12]+", "+t[13]+", "+t[14]+", "+t[15]+")"},e.frob=function(t){return Math.hypot(t[0],t[1],t[2],t[3],t[4],t[5],t[6],t[7],t[8],t[9],t[10],t[11],t[12],t[13],t[14],t[15])},e.add=function(t,n,e){return t[0]=n[0]+e[0],t[1]=n[1]+e[1],t[2]=n[2]+e[2],t[3]=n[3]+e[3],t[4]=n[4]+e[4],t[5]=n[5]+e[5],t[6]=n[6]+e[6],t[7]=n[7]+e[7],t[8]=n[8]+e[8],t[9]=n[9]+e[9],t[10]=n[10]+e[10],t[11]=n[11]+e[11],t[12]=n[12]+e[12],t[13]=n[13]+e[13],t[14]=n[14]+e[14],t[15]=n[15]+e[15],t},e.subtract=o,e.multiplyScalar=function(t,n,e){return t[0]=n[0]*e,t[1]=n[1]*e,t[2]=n[2]*e,t[3]=n[3]*e,t[4]=n[4]*e,t[5]=n[5]*e,t[6]=n[6]*e,t[7]=n[7]*e,t[8]=n[8]*e,t[9]=n[9]*e,t[10]=n[10]*e,t[11]=n[11]*e,t[12]=n[12]*e,t[13]=n[13]*e,t[14]=n[14]*e,t[15]=n[15]*e,t},e.multiplyScalarAndAdd=function(t,n,e,r){return t[0]=n[0]+e[0]*r,t[1]=n[1]+e[1]*r,t[2]=n[2]+e[2]*r,t[3]=n[3]+e[3]*r,t[4]=n[4]+e[4]*r,t[5]=n[5]+e[5]*r,t[6]=n[6]+e[6]*r,t[7]=n[7]+e[7]*r,t[8]=n[8]+e[8]*r,t[9]=n[9]+e[9]*r,t[10]=n[10]+e[10]*r,t[11]=n[11]+e[11]*r,t[12]=n[12]+e[12]*r,t[13]=n[13]+e[13]*r,t[14]=n[14]+e[14]*r,t[15]=n[15]+e[15]*r,t},e.exactEquals=function(t,n){return t[0]===n[0]&&t[1]===n[1]&&t[2]===n[2]&&t[3]===n[3]&&t[4]===n[4]&&t[5]===n[5]&&t[6]===n[6]&&t[7]===n[7]&&t[8]===n[8]&&t[9]===n[9]&&t[10]===n[10]&&t[11]===n[11]&&t[12]===n[12]&&t[13]===n[13]&&t[14]===n[14]&&t[15]===n[15]},e.equals=function(t,n){var e=t[0],r=t[1],o=t[2],i=t[3],a=t[4],s=t[5],u=t[6],c=t[7],h=t[8],l=t[9],f=t[10],p=t[11],d=t[12],m=t[13],v=t[14],y=t[15],b=n[0],M=n[1],g=n[2],w=n[3],P=n[4],x=n[5],O=n[6],S=n[7],_=n[8],E=n[9],A=n[10],j=n[11],L=n[12],R=n[13],t=n[14],n=n[15];return 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