FM / lib

/home/vianto5/ceibaresidencial.mx/vr-360/lib/

/home/vianto5/ceibaresidencial.mx/vr-360/lib

Name	Size	Mode	Actions
cursors/	-	0755	rm
exit.png	902	0644	edit dl rm
Hls.js	252957	0644	edit dl rm
preload.gif	4178	0644	edit dl rm
tdvplayer.js	2032765	0644	edit dl rm
tdvplayer.json	40	0644	edit dl rm
WebVRPolyfill.js	101327	0644	edit dl rm

Edit: /home/vianto5/ceibaresidencial.mx/vr-360/lib/WebVRPolyfill.js (101327B)

!function(f){if(false)module.exports=f();else if(false)define([],f);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).WebVRPolyfill=f()}}(function(){return function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c=false;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){return o(e[i][1][r]||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u=false,i=0;i<t.length;i++)o(t[i]);return o}({1:[function(_dereq_,module,exports){"use strict";var has=Object.prototype.hasOwnProperty,prefix="~";function Events(){}function EE(fn,context,once){this.fn=fn,this.context=context,this.once=once||!1}function EventEmitter(){this._events=new Events,this._eventsCount=0}Object.create&&(Events.prototype=Object.create(null),(new Events).__proto__||(prefix=!1)),EventEmitter.prototype.eventNames=function(){var events,name,names=[];if(0===this._eventsCount)return names;for(name in events=this._events)has.call(events,name)&&names.push(prefix?name.slice(1):name);return Object.getOwnPropertySymbols?names.concat(Object.getOwnPropertySymbols(events)):names},EventEmitter.prototype.listeners=function(event,exists){var evt=prefix?prefix+event:event,available=this._events[evt];if(exists)return!!available;if(!available)return[];if(available.fn)return[available.fn];for(var i=0,l=available.length,ee=new Array(l);i<l;i++)ee[i]=available[i].fn;return ee},EventEmitter.prototype.emit=function(event,a1,a2,a3,a4,a5){var evt=prefix?prefix+event:event;if(!this._events[evt])return!1;var args,i,listeners=this._events[evt],len=arguments.length;if(listeners.fn){switch(listeners.once&&this.removeListener(event,listeners.fn,void 0,!0),len){case 1:return listeners.fn.call(listeners.context),!0;case 2:return listeners.fn.call(listeners.context,a1),!0;case 3:return listeners.fn.call(listeners.context,a1,a2),!0;case 4:return listeners.fn.call(listeners.context,a1,a2,a3),!0;case 5:return listeners.fn.call(listeners.context,a1,a2,a3,a4),!0;case 6:return listeners.fn.call(listeners.context,a1,a2,a3,a4,a5),!0}for(i=1,args=new Array(len-1);i<len;i++)args[i-1]=arguments[i];listeners.fn.apply(listeners.context,args)}else{var j,length=listeners.length;for(i=0;i<length;i++)switch(listeners[i].once&&this.removeListener(event,listeners[i].fn,void 0,!0),len){case 1:listeners[i].fn.call(listeners[i].context);break;case 2:listeners[i].fn.call(listeners[i].context,a1);break;case 3:listeners[i].fn.call(listeners[i].context,a1,a2);break;case 4:listeners[i].fn.call(listeners[i].context,a1,a2,a3);break;default:if(!args)for(j=1,args=new Array(len-1);j<len;j++)args[j-1]=arguments[j];listeners[i].fn.apply(listeners[i].context,args)}}return!0},EventEmitter.prototype.on=function(event,fn,context){var listener=new EE(fn,context||this),evt=prefix?prefix+event:event;return this._events[evt]?this._events[evt].fn?this._events[evt]=[this._events[evt],listener]:this._events[evt].push(listener):(this._events[evt]=listener,this._eventsCount++),this},EventEmitter.prototype.once=function(event,fn,context){var listener=new EE(fn,context||this,!0),evt=prefix?prefix+event:event;return this._events[evt]?this._events[evt].fn?this._events[evt]=[this._events[evt],listener]:this._events[evt].push(listener):(this._events[evt]=listener,this._eventsCount++),this},EventEmitter.prototype.removeListener=function(event,fn,context,once){var evt=prefix?prefix+event:event;if(!this._events[evt])return this;if(!fn)return 0==--this._eventsCount?this._events=new Events:delete this._events[evt],this;var listeners=this._events[evt];if(listeners.fn)listeners.fn!==fn||once&&!listeners.once||context&&listeners.context!==context||(0==--this._eventsCount?this._events=new Events:delete this._events[evt]);else{for(var i=0,events=[],length=listeners.length;i<length;i++)(listeners[i].fn!==fn||once&&!listeners[i].once||context&&listeners[i].context!==context)&&events.push(listeners[i]);events.length?this._events[evt]=1===events.length?events[0]:events:0==--this._eventsCount?this._events=new Events:delete this._events[evt]}return this},EventEmitter.prototype.removeAllListeners=function(event){var evt;return event?(evt=prefix?prefix+event:event,this._events[evt]&&(0==--this._eventsCount?this._events=new Events:delete this._events[evt])):(this._events=new Events,this._eventsCount=0),this},EventEmitter.prototype.off=EventEmitter.prototype.removeListener,EventEmitter.prototype.addListener=EventEmitter.prototype.on,EventEmitter.prototype.setMaxListeners=function(){return this},EventEmitter.prefixed=prefix,EventEmitter.EventEmitter=EventEmitter,void 0!==module&&(module.exports=EventEmitter)},{}],2:[function(_dereq_,module,exports){"use strict";var getOwnPropertySymbols=Object.getOwnPropertySymbols,hasOwnProperty=Object.prototype.hasOwnProperty,propIsEnumerable=Object.prototype.propertyIsEnumerable;module.exports=function(){try{if(!Object.assign)return!1;var test1=new String("abc");if(test1[5]="de","5"===Object.getOwnPropertyNames(test1)[0])return!1;for(var test2={},i=0;i<10;i++)test2["_"+String.fromCharCode(i)]=i;if("0123456789"!==Object.getOwnPropertyNames(test2).map(function(n){return test2[n]}).join(""))return!1;var test3={};return"abcdefghijklmnopqrst".split("").forEach(function(letter){test3[letter]=letter}),"abcdefghijklmnopqrst"===Object.keys(Object.assign({},test3)).join("")}catch(err){return!1}}()?Object.assign:function(target,source){for(var from,symbols,to=function(val){if(null==val)throw new TypeError("Object.assign cannot be called with null or undefined");return Object(val)}(target),s=1;s<arguments.length;s++){for(var key in from=Object(arguments[s]))hasOwnProperty.call(from,key)&&(to[key]=from[key]);if(getOwnPropertySymbols){symbols=getOwnPropertySymbols(from);for(var i=0;i<symbols.length;i++)propIsEnumerable.call(from,symbols[i])&&(to[symbols[i]]=from[symbols[i]])}}return to}},{}],3:[function(_dereq_,module,exports){var Util=_dereq_("./util.js"),nextDisplayId=1e3,hasShowDeprecationWarning=!1,defaultLeftBounds=[0,0,.5,1],defaultRightBounds=[.5,0,.5,1];function VRDisplay(){this.isPolyfilled=!0,this.displayId=nextDisplayId++,this.displayName="webvr-polyfill displayName",this.depthNear=.01,this.depthFar=1e4,this.isConnected=!0,this.isPresenting=!1,this.capabilities={hasPosition:!1,hasOrientation:!1,hasExternalDisplay:!1,canPresent:!1,maxLayers:1},this.stageParameters=null,this.waitingForPresent_=!1,this.layer_=null,this.fullscreenElement_=null,this.fullscreenWrapper_=null,this.fullscreenElementCachedStyle_=null,this.fullscreenEventTarget_=null,this.fullscreenChangeHandler_=null,this.fullscreenErrorHandler_=null}function VRDevice(){this.isPolyfilled=!0,this.hardwareUnitId="webvr-polyfill hardwareUnitId",this.deviceId="webvr-polyfill deviceId",this.deviceName="webvr-polyfill deviceName"}function HMDVRDevice(){}function PositionSensorVRDevice(){}VRDisplay.prototype.getFrameData=function(frameData){return Util.frameDataFromPose(frameData,this.getPose(),this)},VRDisplay.prototype.getPose=function(){return this.getImmediatePose()},VRDisplay.prototype.requestAnimationFrame=function(callback){return window.requestAnimationFrame(callback)},VRDisplay.prototype.cancelAnimationFrame=function(id){return window.cancelAnimationFrame(id)},VRDisplay.prototype.wrapForFullscreen=function(element){if(Util.isIOS())return element;if(!this.fullscreenWrapper_){this.fullscreenWrapper_=document.createElement("div");var cssProperties=["height: "+Math.min(screen.height,screen.width)+"px !important","top: 0 !important","left: 0 !important","right: 0 !important","border: 0","margin: 0","padding: 0","z-index: 999999 !important","position: fixed"];this.fullscreenWrapper_.setAttribute("style",cssProperties.join("; ")+";"),this.fullscreenWrapper_.classList.add("webvr-polyfill-fullscreen-wrapper")}if(this.fullscreenElement_==element)return this.fullscreenWrapper_;this.removeFullscreenWrapper(),this.fullscreenElement_=element;var parent=this.fullscreenElement_.parentElement;parent.insertBefore(this.fullscreenWrapper_,this.fullscreenElement_),parent.removeChild(this.fullscreenElement_),this.fullscreenWrapper_.insertBefore(this.fullscreenElement_,this.fullscreenWrapper_.firstChild),this.fullscreenElementCachedStyle_=this.fullscreenElement_.getAttribute("style");var self=this;return function(){if(self.fullscreenElement_){var cssProperties=["position: absolute","top: 0","left: 0","width: "+Math.max(screen.width,screen.height)+"px","height: "+Math.min(screen.height,screen.width)+"px","border: 0","margin: 0","padding: 0"];self.fullscreenElement_.setAttribute("style",cssProperties.join("; ")+";")}}(),this.fullscreenWrapper_},VRDisplay.prototype.removeFullscreenWrapper=function(){if(this.fullscreenElement_){var element=this.fullscreenElement_;this.fullscreenElementCachedStyle_?element.setAttribute("style",this.fullscreenElementCachedStyle_):element.removeAttribute("style"),this.fullscreenElement_=null,this.fullscreenElementCachedStyle_=null;var parent=this.fullscreenWrapper_.parentElement;return this.fullscreenWrapper_.removeChild(element),parent.insertBefore(element,this.fullscreenWrapper_),parent.removeChild(this.fullscreenWrapper_),element}},VRDisplay.prototype.requestPresent=function(layers){var wasPresenting=this.isPresenting,self=this;return layers instanceof Array||(hasShowDeprecationWarning||(console.warn("Using a deprecated form of requestPresent. Should pass in an array of VRLayers."),hasShowDeprecationWarning=!0),layers=[layers]),new Promise(function(resolve,reject){if(self.capabilities.canPresent)if(0==layers.length||layers.length>self.capabilities.maxLayers)reject(new Error("Invalid number of layers."));else{var incomingLayer=layers[0];if(incomingLayer.source){var leftBounds=incomingLayer.leftBounds||defaultLeftBounds,rightBounds=incomingLayer.rightBounds||defaultRightBounds;if(wasPresenting){var layer=self.layer_;layer.source!==incomingLayer.source&&(layer.source=incomingLayer.source);for(var i=0;i<4;i++)layer.leftBounds[i]!==leftBounds[i]&&(layer.leftBounds[i]=leftBounds[i]),layer.rightBounds[i]!==rightBounds[i]&&(layer.rightBounds[i]=rightBounds[i]);resolve()}else{if(self.layer_={predistorted:incomingLayer.predistorted,source:incomingLayer.source,leftBounds:leftBounds.slice(0),rightBounds:rightBounds.slice(0)},self.waitingForPresent_=!1,self.layer_&&self.layer_.source){var fullscreenElement=self.wrapForFullscreen(self.layer_.source);self.addFullscreenListeners_(fullscreenElement,function(){var actualFullscreenElement=Util.getFullscreenElement();self.isPresenting=fullscreenElement===actualFullscreenElement,self.isPresenting?(!1!==WebVRConfig.LOCK_ORIENTATION&&screen.orientation&&screen.orientation.lock&&screen.orientation.lock("landscape-primary").catch(function(error){console.error("screen.orientation.lock() failed due to",error.message)}),self.waitingForPresent_=!1,self.beginPresent_(),resolve()):(!1!==WebVRConfig.LOCK_ORIENTATION&&screen.orientation&&screen.orientation.unlock&&screen.orientation.unlock(),self.removeFullscreenWrapper(),self.endPresent_(),self.removeFullscreenListeners_()),self.fireVRDisplayPresentChange_()},function(){self.waitingForPresent_&&(self.removeFullscreenWrapper(),self.removeFullscreenListeners_(),self.waitingForPresent_=!1,self.isPresenting=!1,reject(new Error("Unable to present.")))}),Util.requestFullscreen(fullscreenElement)?self.waitingForPresent_=!0:Util.isIOS()&&(self.isPresenting=!0,self.beginPresent_(),self.fireVRDisplayPresentChange_(),resolve())}self.waitingForPresent_||Util.isIOS()||(Util.exitFullscreen(),reject(new Error("Unable to present.")))}}else resolve()}else reject(new Error("VRDisplay is not capable of presenting."))})},VRDisplay.prototype.exitPresent=function(){var wasPresenting=this.isPresenting,self=this;return this.isPresenting=!1,this.layer_=null,new Promise(function(resolve,reject){wasPresenting?(!Util.exitFullscreen()&&Util.isIOS()&&(self.endPresent_(),self.fireVRDisplayPresentChange_()),resolve()):reject(new Error("Was not presenting to VRDisplay."))})},VRDisplay.prototype.getLayers=function(){return this.layer_?[this.layer_]:[]},VRDisplay.prototype.fireVRDisplayPresentChange_=function(){var event=new CustomEvent("vrdisplaypresentchange",{detail:{display:this}});window.dispatchEvent(event)},VRDisplay.prototype.addFullscreenListeners_=function(element,changeHandler,errorHandler){this.removeFullscreenListeners_(),this.fullscreenEventTarget_=element,this.fullscreenChangeHandler_=changeHandler,this.fullscreenErrorHandler_=errorHandler,changeHandler&&(document.fullscreenEnabled?element.addEventListener("fullscreenchange",changeHandler,!1):document.webkitFullscreenEnabled?element.addEventListener("webkitfullscreenchange",changeHandler,!1):document.mozFullScreenEnabled?document.addEventListener("mozfullscreenchange",changeHandler,!1):document.msFullscreenEnabled&&element.addEventListener("msfullscreenchange",changeHandler,!1)),errorHandler&&(document.fullscreenEnabled?element.addEventListener("fullscreenerror",errorHandler,!1):document.webkitFullscreenEnabled?element.addEventListener("webkitfullscreenerror",errorHandler,!1):document.mozFullScreenEnabled?document.addEventListener("mozfullscreenerror",errorHandler,!1):document.msFullscreenEnabled&&element.addEventListener("msfullscreenerror",errorHandler,!1))},VRDisplay.prototype.removeFullscreenListeners_=function(){if(this.fullscreenEventTarget_){var element=this.fullscreenEventTarget_;if(this.fullscreenChangeHandler_){var changeHandler=this.fullscreenChangeHandler_;element.removeEventListener("fullscreenchange",changeHandler,!1),element.removeEventListener("webkitfullscreenchange",changeHandler,!1),document.removeEventListener("mozfullscreenchange",changeHandler,!1),element.removeEventListener("msfullscreenchange",changeHandler,!1)}if(this.fullscreenErrorHandler_){var errorHandler=this.fullscreenErrorHandler_;element.removeEventListener("fullscreenerror",errorHandler,!1),element.removeEventListener("webkitfullscreenerror",errorHandler,!1),document.removeEventListener("mozfullscreenerror",errorHandler,!1),element.removeEventListener("msfullscreenerror",errorHandler,!1)}this.fullscreenEventTarget_=null,this.fullscreenChangeHandler_=null,this.fullscreenErrorHandler_=null}},VRDisplay.prototype.beginPresent_=function(){},VRDisplay.prototype.endPresent_=function(){},VRDisplay.prototype.submitFrame=function(pose){},VRDisplay.prototype.getEyeParameters=function(whichEye){return null},HMDVRDevice.prototype=new VRDevice,PositionSensorVRDevice.prototype=new VRDevice,module.exports.VRFrameData=function(){this.leftProjectionMatrix=new Float32Array(16),this.leftViewMatrix=new Float32Array(16),this.rightProjectionMatrix=new Float32Array(16),this.rightViewMatrix=new Float32Array(16),this.pose=null},module.exports.VRDisplay=VRDisplay,module.exports.VRDevice=VRDevice,module.exports.HMDVRDevice=HMDVRDevice,module.exports.PositionSensorVRDevice=PositionSensorVRDevice},{"./util.js":21}],4:[function(_dereq_,module,exports){var CardboardUI=_dereq_("./cardboard-ui.js"),Util=_dereq_("./util.js"),WGLUPreserveGLState=_dereq_("./deps/wglu-preserve-state.js"),distortionVS=["attribute vec2 position;","attribute vec3 texCoord;","varying vec2 vTexCoord;","uniform vec4 viewportOffsetScale[2];","void main() {","  vec4 viewport = viewportOffsetScale[int(texCoord.z)];","  vTexCoord = (texCoord.xy * viewport.zw) + viewport.xy;","  gl_Position = vec4( position, 1.0, 1.0 );","}"].join("\n"),distortionFS=["precision mediump float;","uniform sampler2D diffuse;","varying vec2 vTexCoord;","void main() {","  gl_FragColor = texture2D(diffuse, vTexCoord);","}"].join("\n");function CardboardDistorter(gl){this.gl=gl,this.ctxAttribs=gl.getContextAttributes(),this.meshWidth=20,this.meshHeight=20,this.bufferScale=WebVRConfig.BUFFER_SCALE,this.bufferWidth=gl.drawingBufferWidth,this.bufferHeight=gl.drawingBufferHeight,this.realBindFramebuffer=gl.bindFramebuffer,this.realEnable=gl.enable,this.realDisable=gl.disable,this.realColorMask=gl.colorMask,this.realClearColor=gl.clearColor,this.realViewport=gl.viewport,Util.isIOS()||(this.realCanvasWidth=Object.getOwnPropertyDescriptor(gl.canvas.__proto__,"width"),this.realCanvasHeight=Object.getOwnPropertyDescriptor(gl.canvas.__proto__,"height")),this.isPatched=!1,this.lastBoundFramebuffer=null,this.cullFace=!1,this.depthTest=!1,this.blend=!1,this.scissorTest=!1,this.stencilTest=!1,this.viewport=[0,0,0,0],this.colorMask=[!0,!0,!0,!0],this.clearColor=[0,0,0,0],this.attribs={position:0,texCoord:1},this.program=Util.linkProgram(gl,distortionVS,distortionFS,this.attribs),this.uniforms=Util.getProgramUniforms(gl,this.program),this.viewportOffsetScale=new Float32Array(8),this.setTextureBounds(),this.vertexBuffer=gl.createBuffer(),this.indexBuffer=gl.createBuffer(),this.indexCount=0,this.renderTarget=gl.createTexture(),this.framebuffer=gl.createFramebuffer(),this.depthStencilBuffer=null,this.depthBuffer=null,this.stencilBuffer=null,this.ctxAttribs.depth&&this.ctxAttribs.stencil?this.depthStencilBuffer=gl.createRenderbuffer():this.ctxAttribs.depth?this.depthBuffer=gl.createRenderbuffer():this.ctxAttribs.stencil&&(this.stencilBuffer=gl.createRenderbuffer()),this.patch(),this.onResize(),WebVRConfig.CARDBOARD_UI_DISABLED||(this.cardboardUI=new CardboardUI(gl))}CardboardDistorter.prototype.destroy=function(){var gl=this.gl;this.unpatch(),gl.deleteProgram(this.program),gl.deleteBuffer(this.vertexBuffer),gl.deleteBuffer(this.indexBuffer),gl.deleteTexture(this.renderTarget),gl.deleteFramebuffer(this.framebuffer),this.depthStencilBuffer&&gl.deleteRenderbuffer(this.depthStencilBuffer),this.depthBuffer&&gl.deleteRenderbuffer(this.depthBuffer),this.stencilBuffer&&gl.deleteRenderbuffer(this.stencilBuffer),this.cardboardUI&&this.cardboardUI.destroy()},CardboardDistorter.prototype.onResize=function(){var gl=this.gl,self=this,glState=[gl.RENDERBUFFER_BINDING,gl.TEXTURE_BINDING_2D,gl.TEXTURE0];WGLUPreserveGLState(gl,glState,function(gl){self.realBindFramebuffer.call(gl,gl.FRAMEBUFFER,null),self.scissorTest&&self.realDisable.call(gl,gl.SCISSOR_TEST),self.realColorMask.call(gl,!0,!0,!0,!0),self.realViewport.call(gl,0,0,gl.drawingBufferWidth,gl.drawingBufferHeight),self.realClearColor.call(gl,0,0,0,1),gl.clear(gl.COLOR_BUFFER_BIT),self.realBindFramebuffer.call(gl,gl.FRAMEBUFFER,self.framebuffer),gl.bindTexture(gl.TEXTURE_2D,self.renderTarget),gl.texImage2D(gl.TEXTURE_2D,0,self.ctxAttribs.alpha?gl.RGBA:gl.RGB,self.bufferWidth,self.bufferHeight,0,self.ctxAttribs.alpha?gl.RGBA:gl.RGB,gl.UNSIGNED_BYTE,null),gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MAG_FILTER,gl.LINEAR),gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MIN_FILTER,gl.LINEAR),gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_S,gl.CLAMP_TO_EDGE),gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_T,gl.CLAMP_TO_EDGE),gl.framebufferTexture2D(gl.FRAMEBUFFER,gl.COLOR_ATTACHMENT0,gl.TEXTURE_2D,self.renderTarget,0),self.ctxAttribs.depth&&self.ctxAttribs.stencil?(gl.bindRenderbuffer(gl.RENDERBUFFER,self.depthStencilBuffer),gl.renderbufferStorage(gl.RENDERBUFFER,gl.DEPTH_STENCIL,self.bufferWidth,self.bufferHeight),gl.framebufferRenderbuffer(gl.FRAMEBUFFER,gl.DEPTH_STENCIL_ATTACHMENT,gl.RENDERBUFFER,self.depthStencilBuffer)):self.ctxAttribs.depth?(gl.bindRenderbuffer(gl.RENDERBUFFER,self.depthBuffer),gl.renderbufferStorage(gl.RENDERBUFFER,gl.DEPTH_COMPONENT16,self.bufferWidth,self.bufferHeight),gl.framebufferRenderbuffer(gl.FRAMEBUFFER,gl.DEPTH_ATTACHMENT,gl.RENDERBUFFER,self.depthBuffer)):self.ctxAttribs.stencil&&(gl.bindRenderbuffer(gl.RENDERBUFFER,self.stencilBuffer),gl.renderbufferStorage(gl.RENDERBUFFER,gl.STENCIL_INDEX8,self.bufferWidth,self.bufferHeight),gl.framebufferRenderbuffer(gl.FRAMEBUFFER,gl.STENCIL_ATTACHMENT,gl.RENDERBUFFER,self.stencilBuffer)),!gl.checkFramebufferStatus(gl.FRAMEBUFFER)===gl.FRAMEBUFFER_COMPLETE&&console.error("Framebuffer incomplete!"),self.realBindFramebuffer.call(gl,gl.FRAMEBUFFER,self.lastBoundFramebuffer),self.scissorTest&&self.realEnable.call(gl,gl.SCISSOR_TEST),self.realColorMask.apply(gl,self.colorMask),self.realViewport.apply(gl,self.viewport),self.realClearColor.apply(gl,self.clearColor)}),this.cardboardUI&&this.cardboardUI.onResize()},CardboardDistorter.prototype.patch=function(){if(!this.isPatched){var self=this,canvas=this.gl.canvas,gl=this.gl;Util.isIOS()||(canvas.width=Util.getScreenWidth()*this.bufferScale,canvas.height=Util.getScreenHeight()*this.bufferScale,Object.defineProperty(canvas,"width",{configurable:!0,enumerable:!0,get:function(){return self.bufferWidth},set:function(value){self.bufferWidth=value,self.realCanvasWidth.set.call(canvas,value),self.onResize()}}),Object.defineProperty(canvas,"height",{configurable:!0,enumerable:!0,get:function(){return self.bufferHeight},set:function(value){self.bufferHeight=value,self.realCanvasHeight.set.call(canvas,value),self.onResize()}})),this.lastBoundFramebuffer=gl.getParameter(gl.FRAMEBUFFER_BINDING),null==this.lastBoundFramebuffer&&(this.lastBoundFramebuffer=this.framebuffer,this.gl.bindFramebuffer(gl.FRAMEBUFFER,this.framebuffer)),this.gl.bindFramebuffer=function(target,framebuffer){self.lastBoundFramebuffer=framebuffer||self.framebuffer,self.realBindFramebuffer.call(gl,target,self.lastBoundFramebuffer)},this.cullFace=gl.getParameter(gl.CULL_FACE),this.depthTest=gl.getParameter(gl.DEPTH_TEST),this.blend=gl.getParameter(gl.BLEND),this.scissorTest=gl.getParameter(gl.SCISSOR_TEST),this.stencilTest=gl.getParameter(gl.STENCIL_TEST),gl.enable=function(pname){switch(pname){case gl.CULL_FACE:self.cullFace=!0;break;case gl.DEPTH_TEST:self.depthTest=!0;break;case gl.BLEND:self.blend=!0;break;case gl.SCISSOR_TEST:self.scissorTest=!0;break;case gl.STENCIL_TEST:self.stencilTest=!0}self.realEnable.call(gl,pname)},gl.disable=function(pname){switch(pname){case gl.CULL_FACE:self.cullFace=!1;break;case gl.DEPTH_TEST:self.depthTest=!1;break;case gl.BLEND:self.blend=!1;break;case gl.SCISSOR_TEST:self.scissorTest=!1;break;case gl.STENCIL_TEST:self.stencilTest=!1}self.realDisable.call(gl,pname)},this.colorMask=gl.getParameter(gl.COLOR_WRITEMASK),gl.colorMask=function(r,g,b,a){self.colorMask[0]=r,self.colorMask[1]=g,self.colorMask[2]=b,self.colorMask[3]=a,self.realColorMask.call(gl,r,g,b,a)},this.clearColor=gl.getParameter(gl.COLOR_CLEAR_VALUE),gl.clearColor=function(r,g,b,a){self.clearColor[0]=r,self.clearColor[1]=g,self.clearColor[2]=b,self.clearColor[3]=a,self.realClearColor.call(gl,r,g,b,a)},this.viewport=gl.getParameter(gl.VIEWPORT),gl.viewport=function(x,y,w,h){self.viewport[0]=x,self.viewport[1]=y,self.viewport[2]=w,self.viewport[3]=h,self.realViewport.call(gl,x,y,w,h)},this.isPatched=!0,Util.safariCssSizeWorkaround(canvas)}},CardboardDistorter.prototype.unpatch=function(){if(this.isPatched){var gl=this.gl,canvas=this.gl.canvas;Util.isIOS()||(Object.defineProperty(canvas,"width",this.realCanvasWidth),Object.defineProperty(canvas,"height",this.realCanvasHeight)),canvas.width=this.bufferWidth,canvas.height=this.bufferHeight,gl.bindFramebuffer=this.realBindFramebuffer,gl.enable=this.realEnable,gl.disable=this.realDisable,gl.colorMask=this.realColorMask,gl.clearColor=this.realClearColor,gl.viewport=this.realViewport,this.lastBoundFramebuffer==this.framebuffer&&gl.bindFramebuffer(gl.FRAMEBUFFER,null),this.isPatched=!1,setTimeout(function(){Util.safariCssSizeWorkaround(canvas)},1)}},CardboardDistorter.prototype.setTextureBounds=function(leftBounds,rightBounds){leftBounds=leftBounds||[0,0,.5,1],rightBounds=rightBounds||[.5,0,.5,1],this.viewportOffsetScale[0]=leftBounds[0],this.viewportOffsetScale[1]=leftBounds[1],this.viewportOffsetScale[2]=leftBounds[2],this.viewportOffsetScale[3]=leftBounds[3],this.viewportOffsetScale[4]=rightBounds[0],this.viewportOffsetScale[5]=rightBounds[1],this.viewportOffsetScale[6]=rightBounds[2],this.viewportOffsetScale[7]=rightBounds[3]},CardboardDistorter.prototype.submitFrame=function(){var gl=this.gl,self=this,glState=[];if(WebVRConfig.DIRTY_SUBMIT_FRAME_BINDINGS||glState.push(gl.CURRENT_PROGRAM,gl.ARRAY_BUFFER_BINDING,gl.ELEMENT_ARRAY_BUFFER_BINDING,gl.TEXTURE_BINDING_2D,gl.TEXTURE0),WGLUPreserveGLState(gl,glState,function(gl){self.realBindFramebuffer.call(gl,gl.FRAMEBUFFER,null),self.cullFace&&self.realDisable.call(gl,gl.CULL_FACE),self.depthTest&&self.realDisable.call(gl,gl.DEPTH_TEST),self.blend&&self.realDisable.call(gl,gl.BLEND),self.scissorTest&&self.realDisable.call(gl,gl.SCISSOR_TEST),self.stencilTest&&self.realDisable.call(gl,gl.STENCIL_TEST),self.realColorMask.call(gl,!0,!0,!0,!0),self.realViewport.call(gl,0,0,gl.drawingBufferWidth,gl.drawingBufferHeight),(self.ctxAttribs.alpha||Util.isIOS())&&(self.realClearColor.call(gl,0,0,0,1),gl.clear(gl.COLOR_BUFFER_BIT)),gl.useProgram(self.program),gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER,self.indexBuffer),gl.bindBuffer(gl.ARRAY_BUFFER,self.vertexBuffer),gl.enableVertexAttribArray(self.attribs.position),gl.enableVertexAttribArray(self.attribs.texCoord),gl.vertexAttribPointer(self.attribs.position,2,gl.FLOAT,!1,20,0),gl.vertexAttribPointer(self.attribs.texCoord,3,gl.FLOAT,!1,20,8),gl.activeTexture(gl.TEXTURE0),gl.uniform1i(self.uniforms.diffuse,0),gl.bindTexture(gl.TEXTURE_2D,self.renderTarget),gl.uniform4fv(self.uniforms.viewportOffsetScale,self.viewportOffsetScale),gl.drawElements(gl.TRIANGLES,self.indexCount,gl.UNSIGNED_SHORT,0),self.cardboardUI&&self.cardboardUI.renderNoState(),self.realBindFramebuffer.call(self.gl,gl.FRAMEBUFFER,self.framebuffer),self.ctxAttribs.preserveDrawingBuffer||(self.realClearColor.call(gl,0,0,0,0),gl.clear(gl.COLOR_BUFFER_BIT)),WebVRConfig.DIRTY_SUBMIT_FRAME_BINDINGS||self.realBindFramebuffer.call(gl,gl.FRAMEBUFFER,self.lastBoundFramebuffer),self.cullFace&&self.realEnable.call(gl,gl.CULL_FACE),self.depthTest&&self.realEnable.call(gl,gl.DEPTH_TEST),self.blend&&self.realEnable.call(gl,gl.BLEND),self.scissorTest&&self.realEnable.call(gl,gl.SCISSOR_TEST),self.stencilTest&&self.realEnable.call(gl,gl.STENCIL_TEST),self.realColorMask.apply(gl,self.colorMask),self.realViewport.apply(gl,self.viewport),!self.ctxAttribs.alpha&&self.ctxAttribs.preserveDrawingBuffer||self.realClearColor.apply(gl,self.clearColor)}),Util.isIOS()){var canvas=gl.canvas;canvas.width==self.bufferWidth&&canvas.height==self.bufferHeight||(self.bufferWidth=canvas.width,self.bufferHeight=canvas.height,self.onResize())}},CardboardDistorter.prototype.updateDeviceInfo=function(deviceInfo){var gl=this.gl,self=this,glState=[gl.ARRAY_BUFFER_BINDING,gl.ELEMENT_ARRAY_BUFFER_BINDING];WGLUPreserveGLState(gl,glState,function(gl){var vertices=self.computeMeshVertices_(self.meshWidth,self.meshHeight,deviceInfo);if(gl.bindBuffer(gl.ARRAY_BUFFER,self.vertexBuffer),gl.bufferData(gl.ARRAY_BUFFER,vertices,gl.STATIC_DRAW),!self.indexCount){var indices=self.computeMeshIndices_(self.meshWidth,self.meshHeight);gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER,self.indexBuffer),gl.bufferData(gl.ELEMENT_ARRAY_BUFFER,indices,gl.STATIC_DRAW),self.indexCount=indices.length}})},CardboardDistorter.prototype.computeMeshVertices_=function(width,height,deviceInfo){for(var vertices=new Float32Array(2*width*height*5),lensFrustum=deviceInfo.getLeftEyeVisibleTanAngles(),noLensFrustum=deviceInfo.getLeftEyeNoLensTanAngles(),viewport=deviceInfo.getLeftEyeVisibleScreenRect(noLensFrustum),vidx=0,e=0;e<2;e++){for(var j=0;j<height;j++)for(var i=0;i<width;i++,vidx++){var u=i/(width-1),v=j/(height-1),s=u,t=v,x=Util.lerp(lensFrustum[0],lensFrustum[2],u),y=Util.lerp(lensFrustum[3],lensFrustum[1],v),d=Math.sqrt(x*x+y*y),r=deviceInfo.distortion.distortInverse(d),q=y*r/d;u=(x*r/d-noLensFrustum[0])/(noLensFrustum[2]-noLensFrustum[0]),v=(q-noLensFrustum[3])/(noLensFrustum[1]-noLensFrustum[3]);deviceInfo.device.widthMeters,deviceInfo.device.heightMeters;u=2*(viewport.x+u*viewport.width-.5),v=2*(viewport.y+v*viewport.height-.5),vertices[5*vidx+0]=u,vertices[5*vidx+1]=v,vertices[5*vidx+2]=s,vertices[5*vidx+3]=t,vertices[5*vidx+4]=e}var w=lensFrustum[2]-lensFrustum[0];lensFrustum[0]=-(w+lensFrustum[0]),lensFrustum[2]=w-lensFrustum[2],w=noLensFrustum[2]-noLensFrustum[0],noLensFrustum[0]=-(w+noLensFrustum[0]),noLensFrustum[2]=w-noLensFrustum[2],viewport.x=1-(viewport.x+viewport.width)}return vertices},CardboardDistorter.prototype.computeMeshIndices_=function(width,height){for(var indices=new Uint16Array(2*(width-1)*(height-1)*6),halfwidth=width/2,halfheight=height/2,vidx=0,iidx=0,e=0;e<2;e++)for(var j=0;j<height;j++)for(var i=0;i<width;i++,vidx++)0!=i&&0!=j&&(i<=halfwidth==j<=halfheight?(indices[iidx++]=vidx,indices[iidx++]=vidx-width-1,indices[iidx++]=vidx-width,indices[iidx++]=vidx-width-1,indices[iidx++]=vidx,indices[iidx++]=vidx-1):(indices[iidx++]=vidx-1,indices[iidx++]=vidx-width,indices[iidx++]=vidx,indices[iidx++]=vidx-width,indices[iidx++]=vidx-1,indices[iidx++]=vidx-width-1));return indices},CardboardDistorter.prototype.getOwnPropertyDescriptor_=function(proto,attrName){var descriptor=Object.getOwnPropertyDescriptor(proto,attrName);return void 0!==descriptor.get&&void 0!==descriptor.set||(descriptor.configurable=!0,descriptor.enumerable=!0,descriptor.get=function(){return this.getAttribute(attrName)},descriptor.set=function(val){this.setAttribute(attrName,val)}),descriptor},module.exports=CardboardDistorter},{"./cardboard-ui.js":5,"./deps/wglu-preserve-state.js":7,"./util.js":21}],5:[function(_dereq_,module,exports){var Util=_dereq_("./util.js"),WGLUPreserveGLState=_dereq_("./deps/wglu-preserve-state.js"),uiVS=["attribute vec2 position;","uniform mat4 projectionMat;","void main() {","  gl_Position = projectionMat * vec4( position, -1.0, 1.0 );","}"].join("\n"),uiFS=["precision mediump float;","uniform vec4 color;","void main() {","  gl_FragColor = color;","}"].join("\n"),DEG2RAD=Math.PI/180;function CardboardUI(gl){this.gl=gl,this.attribs={position:0},this.program=Util.linkProgram(gl,uiVS,uiFS,this.attribs),this.uniforms=Util.getProgramUniforms(gl,this.program),this.vertexBuffer=gl.createBuffer(),this.gearOffset=0,this.gearVertexCount=0,this.arrowOffset=0,this.arrowVertexCount=0,this.projMat=new Float32Array(16),this.listener=null,this.onResize()}CardboardUI.prototype.destroy=function(){var gl=this.gl;this.listener&&gl.canvas.removeEventListener("click",this.listener,!1),gl.deleteProgram(this.program),gl.deleteBuffer(this.vertexBuffer)},CardboardUI.prototype.listen=function(optionsCallback,backCallback){var canvas=this.gl.canvas;this.listener=function(event){var midline=canvas.clientWidth/2;event.clientX>midline-42&&event.clientX<42+midline&&event.clientY>canvas.clientHeight-42?optionsCallback(event):event.clientX<42&&event.clientY<42&&backCallback(event)},canvas.addEventListener("click",this.listener,!1)},CardboardUI.prototype.onResize=function(){var gl=this.gl,self=this,glState=[gl.ARRAY_BUFFER_BINDING];WGLUPreserveGLState(gl,glState,function(gl){var vertices=[],midline=gl.drawingBufferWidth/2,dps=gl.drawingBufferWidth/(screen.width*window.devicePixelRatio);Util.isIOS()||(dps*=window.devicePixelRatio);var lineWidth=4*dps/2,buttonSize=42*dps,buttonScale=28*dps/2,buttonBorder=14*dps;function addGearSegment(theta,r){var angle=(90-theta)*DEG2RAD,x=Math.cos(angle),y=Math.sin(angle);vertices.push(.3125*x*buttonScale+midline,.3125*y*buttonScale+buttonScale),vertices.push(r*x*buttonScale+midline,r*y*buttonScale+buttonScale)}vertices.push(midline-lineWidth,buttonSize),vertices.push(midline-lineWidth,gl.drawingBufferHeight),vertices.push(midline+lineWidth,buttonSize),vertices.push(midline+lineWidth,gl.drawingBufferHeight),self.gearOffset=vertices.length/2;for(var i=0;i<=6;i++){var segmentTheta=60*i;addGearSegment(segmentTheta,1),addGearSegment(12+segmentTheta,1),addGearSegment(20+segmentTheta,.75),addGearSegment(40+segmentTheta,.75),addGearSegment(48+segmentTheta,1)}function addArrowVertex(x,y){vertices.push(buttonBorder+x,gl.drawingBufferHeight-buttonBorder-y)}self.gearVertexCount=vertices.length/2-self.gearOffset,self.arrowOffset=vertices.length/2;var angledLineWidth=lineWidth/Math.sin(45*DEG2RAD);addArrowVertex(0,buttonScale),addArrowVertex(buttonScale,0),addArrowVertex(buttonScale+angledLineWidth,angledLineWidth),addArrowVertex(angledLineWidth,buttonScale+angledLineWidth),addArrowVertex(angledLineWidth,buttonScale-angledLineWidth),addArrowVertex(0,buttonScale),addArrowVertex(buttonScale,2*buttonScale),addArrowVertex(buttonScale+angledLineWidth,2*buttonScale-angledLineWidth),addArrowVertex(angledLineWidth,buttonScale-angledLineWidth),addArrowVertex(0,buttonScale),addArrowVertex(angledLineWidth,buttonScale-lineWidth),addArrowVertex(28*dps,buttonScale-lineWidth),addArrowVertex(angledLineWidth,buttonScale+lineWidth),addArrowVertex(28*dps,buttonScale+lineWidth),self.arrowVertexCount=vertices.length/2-self.arrowOffset,gl.bindBuffer(gl.ARRAY_BUFFER,self.vertexBuffer),gl.bufferData(gl.ARRAY_BUFFER,new Float32Array(vertices),gl.STATIC_DRAW)})},CardboardUI.prototype.render=function(){var gl=this.gl,self=this,glState=[gl.CULL_FACE,gl.DEPTH_TEST,gl.BLEND,gl.SCISSOR_TEST,gl.STENCIL_TEST,gl.COLOR_WRITEMASK,gl.VIEWPORT,gl.CURRENT_PROGRAM,gl.ARRAY_BUFFER_BINDING];WGLUPreserveGLState(gl,glState,function(gl){gl.disable(gl.CULL_FACE),gl.disable(gl.DEPTH_TEST),gl.disable(gl.BLEND),gl.disable(gl.SCISSOR_TEST),gl.disable(gl.STENCIL_TEST),gl.colorMask(!0,!0,!0,!0),gl.viewport(0,0,gl.drawingBufferWidth,gl.drawingBufferHeight),self.renderNoState()})},CardboardUI.prototype.renderNoState=function(){var gl=this.gl;gl.useProgram(this.program),gl.bindBuffer(gl.ARRAY_BUFFER,this.vertexBuffer),gl.enableVertexAttribArray(this.attribs.position),gl.vertexAttribPointer(this.attribs.position,2,gl.FLOAT,!1,8,0),gl.uniform4f(this.uniforms.color,1,1,1,1),Util.orthoMatrix(this.projMat,0,gl.drawingBufferWidth,0,gl.drawingBufferHeight,.1,1024),gl.uniformMatrix4fv(this.uniforms.projectionMat,!1,this.projMat),gl.drawArrays(gl.TRIANGLE_STRIP,0,4),gl.drawArrays(gl.TRIANGLE_STRIP,this.gearOffset,this.gearVertexCount),gl.drawArrays(gl.TRIANGLE_STRIP,this.arrowOffset,this.arrowVertexCount)},module.exports=CardboardUI},{"./deps/wglu-preserve-state.js":7,"./util.js":21}],6:[function(_dereq_,module,exports){var CardboardDistorter=_dereq_("./cardboard-distorter.js"),CardboardUI=_dereq_("./cardboard-ui.js"),DeviceInfo=_dereq_("./device-info.js"),Dpdb=_dereq_("./dpdb/dpdb.js"),FusionPoseSensor=_dereq_("./sensor-fusion/fusion-pose-sensor.js"),ViewerSelector=_dereq_("./viewer-selector.js"),VRDisplay=_dereq_("./base.js").VRDisplay,Util=_dereq_("./util.js"),Eye_LEFT="left",Eye_RIGHT="right";function CardboardVRDisplay(){this.displayName="Cardboard VRDisplay (webvr-polyfill)",this.capabilities.hasOrientation=!0,this.capabilities.canPresent=!0,this.bufferScale_=WebVRConfig.BUFFER_SCALE,this.poseSensor_=new FusionPoseSensor,this.distorter_=null,this.cardboardUI_=null,this.dpdb_=new Dpdb(!1,this.onDeviceParamsUpdated_.bind(this)),this.deviceInfo_=new DeviceInfo(this.dpdb_.getDeviceParams()),this.viewerSelector_=new ViewerSelector,this.viewerSelector_.on("change",this.onViewerChanged_.bind(this)),this.deviceInfo_.setViewer(this.viewerSelector_.getCurrentViewer()),window.addEventListener("resize",this.onResize_.bind(this))}(CardboardVRDisplay.prototype=new VRDisplay).getImmediatePose=function(){return{position:this.poseSensor_.getPosition(),orientation:this.poseSensor_.getOrientation(),linearVelocity:null,linearAcceleration:null,angularVelocity:null,angularAcceleration:null}},CardboardVRDisplay.prototype.resetPose=function(){this.poseSensor_.resetPose()},CardboardVRDisplay.prototype.getEyeParameters=function(whichEye){var fieldOfView,offset=[.5*this.deviceInfo_.viewer.interLensDistance,0,0];if(whichEye==Eye_LEFT)offset[0]*=-1,fieldOfView=this.deviceInfo_.getFieldOfViewLeftEye();else{if(whichEye!=Eye_RIGHT)return console.error("Invalid eye provided: %s",whichEye),null;fieldOfView=this.deviceInfo_.getFieldOfViewRightEye()}return{fieldOfView:fieldOfView,offset:offset,renderWidth:.5*this.deviceInfo_.device.width*this.bufferScale_,renderHeight:this.deviceInfo_.device.height*this.bufferScale_}},CardboardVRDisplay.prototype.onDeviceParamsUpdated_=function(newParams){Util.isDebug()&&console.log("DPDB reported that device params were updated."),this.deviceInfo_.updateDeviceParams(newParams),this.distorter_&&this.distorter_.updateDeviceInfo(this.deviceInfo_)},CardboardVRDisplay.prototype.updateBounds_=function(){this.layer_&&this.distorter_&&(this.layer_.leftBounds||this.layer_.rightBounds)&&this.distorter_.setTextureBounds(this.layer_.leftBounds,this.layer_.rightBounds)},CardboardVRDisplay.prototype.beginPresent_=function(){var gl=this.layer_.source.getContext("webgl");(gl=(gl=gl||this.layer_.source.getContext("experimental-webgl"))||this.layer_.source.getContext("webgl2"))&&(this.layer_.predistorted?WebVRConfig.CARDBOARD_UI_DISABLED||(gl.canvas.width=Util.getScreenWidth()*this.bufferScale_,gl.canvas.height=Util.getScreenHeight()*this.bufferScale_,this.cardboardUI_=new CardboardUI(gl)):(this.distorter_=new CardboardDistorter(gl),this.distorter_.updateDeviceInfo(this.deviceInfo_),this.cardboardUI_=this.distorter_.cardboardUI),this.cardboardUI_&&this.cardboardUI_.listen(function(e){this.viewerSelector_.show(this.layer_.source.parentElement),e.stopPropagation(),e.preventDefault()}.bind(this),function(e){this.exitPresent(),e.stopPropagation(),e.preventDefault()}.bind(this)),this.orientationHandler=this.onOrientationChange_.bind(this),window.addEventListener("orientationchange",this.orientationHandler),this.vrdisplaypresentchangeHandler=this.updateBounds_.bind(this),window.addEventListener("vrdisplaypresentchange",this.vrdisplaypresentchangeHandler),this.fireVRDisplayDeviceParamsChange_(),this.onResize_())},CardboardVRDisplay.prototype.endPresent_=function(){this.distorter_&&(this.distorter_.destroy(),this.distorter_=null),this.cardboardUI_&&(this.cardboardUI_.destroy(),this.cardboardUI_=null),this.viewerSelector_.hide(),window.removeEventListener("orientationchange",this.orientationHandler),window.removeEventListener("vrdisplaypresentchange",this.vrdisplaypresentchangeHandler)},CardboardVRDisplay.prototype.submitFrame=function(pose){if(this.distorter_)this.distorter_.submitFrame();else if(this.cardboardUI_&&this.layer_){var canvas=this.layer_.source.getContext("webgl").canvas;canvas.width==this.lastWidth&&canvas.height==this.lastHeight||this.cardboardUI_.onResize(),this.lastWidth=canvas.width,this.lastHeight=canvas.height,this.cardboardUI_.render()}},CardboardVRDisplay.prototype.onOrientationChange_=function(e){this.viewerSelector_.hide(),this.onResize_()},CardboardVRDisplay.prototype.onResize_=function(e){var width,height,updateSize=function(delay){if(0<delay)setTimeout(updateSize,delay);else if(this.layer_){var gl=this.layer_.source.getContext("webgl");if(!(gl&&gl.canvas&&gl.canvas.parentElement))return;var curWidth=gl.canvas.parentElement.clientWidth,curHeight=gl.canvas.parentElement.clientHeight;if(curWidth==width&&curHeight==height)return;var cssProperties=["position: absolute","top: 0","left: 0","width: "+(width=curWidth)+"px","height: "+(height=curHeight)+"px","border: 0","margin: 0","padding: 0 10px 10px 0"];gl.canvas.setAttribute("style",cssProperties.join("; ")+";"),Util.safariCssSizeWorkaround(gl.canvas)}}.bind(this);updateSize(0),updateSize(300),updateSize(1e3),updateSize(3300),updateSize(4e3),this.distorter_&&this.distorter_.onResize()},CardboardVRDisplay.prototype.onViewerChanged_=function(viewer){this.deviceInfo_.setViewer(viewer),this.distorter_&&this.distorter_.updateDeviceInfo(this.deviceInfo_),this.fireVRDisplayDeviceParamsChange_()},CardboardVRDisplay.prototype.fireVRDisplayDeviceParamsChange_=function(){var event=new CustomEvent("vrdisplaydeviceparamschange",{detail:{vrdisplay:this,deviceInfo:this.deviceInfo_}});window.dispatchEvent(event)},module.exports=CardboardVRDisplay},{"./base.js":3,"./cardboard-distorter.js":4,"./cardboard-ui.js":5,"./device-info.js":8,"./dpdb/dpdb.js":12,"./sensor-fusion/fusion-pose-sensor.js":17,"./util.js":21,"./viewer-selector.js":22}],7:[function(_dereq_,module,exports){module.exports=function(gl,bindings,callback){if(bindings){for(var boundValues=[],activeTexture=null,i=0;i<bindings.length;++i){switch(binding=bindings[i]){case gl.TEXTURE_BINDING_2D:case gl.TEXTURE_BINDING_CUBE_MAP:if((textureUnit=bindings[++i])<gl.TEXTURE0||textureUnit>gl.TEXTURE31){console.error("TEXTURE_BINDING_2D or TEXTURE_BINDING_CUBE_MAP must be followed by a valid texture unit"),boundValues.push(null,null);break}activeTexture=activeTexture||gl.getParameter(gl.ACTIVE_TEXTURE),gl.activeTexture(textureUnit),boundValues.push(gl.getParameter(binding),null);break;case gl.ACTIVE_TEXTURE:activeTexture=gl.getParameter(gl.ACTIVE_TEXTURE),boundValues.push(null);break;default:boundValues.push(gl.getParameter(binding))}}callback(gl);for(i=0;i<bindings.length;++i){var binding=bindings[i],boundValue=boundValues[i];switch(binding){case gl.ACTIVE_TEXTURE:break;case gl.ARRAY_BUFFER_BINDING:gl.bindBuffer(gl.ARRAY_BUFFER,boundValue);break;case gl.COLOR_CLEAR_VALUE:gl.clearColor(boundValue[0],boundValue[1],boundValue[2],boundValue[3]);break;case gl.COLOR_WRITEMASK:gl.colorMask(boundValue[0],boundValue[1],boundValue[2],boundValue[3]);break;case gl.CURRENT_PROGRAM:gl.useProgram(boundValue);break;case gl.ELEMENT_ARRAY_BUFFER_BINDING:gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER,boundValue);break;case gl.FRAMEBUFFER_BINDING:gl.bindFramebuffer(gl.FRAMEBUFFER,boundValue);break;case gl.RENDERBUFFER_BINDING:gl.bindRenderbuffer(gl.RENDERBUFFER,boundValue);break;case gl.TEXTURE_BINDING_2D:if((textureUnit=bindings[++i])<gl.TEXTURE0||textureUnit>gl.TEXTURE31)break;gl.activeTexture(textureUnit),gl.bindTexture(gl.TEXTURE_2D,boundValue);break;case gl.TEXTURE_BINDING_CUBE_MAP:var textureUnit;if((textureUnit=bindings[++i])<gl.TEXTURE0||textureUnit>gl.TEXTURE31)break;gl.activeTexture(textureUnit),gl.bindTexture(gl.TEXTURE_CUBE_MAP,boundValue);break;case gl.VIEWPORT:gl.viewport(boundValue[0],boundValue[1],boundValue[2],boundValue[3]);break;case gl.BLEND:case gl.CULL_FACE:case gl.DEPTH_TEST:case gl.SCISSOR_TEST:case gl.STENCIL_TEST:boundValue?gl.enable(binding):gl.disable(binding);break;default:console.log("No GL restore behavior for 0x"+binding.toString(16))}activeTexture&&gl.activeTexture(activeTexture)}}else callback(gl)}},{}],8:[function(_dereq_,module,exports){var Distortion=_dereq_("./distortion/distortion.js"),MathUtil=_dereq_("./math-util.js"),Util=_dereq_("./util.js");function Device(params){this.width=params.width||Util.getScreenWidth(),this.height=params.height||Util.getScreenHeight(),this.widthMeters=params.widthMeters,this.heightMeters=params.heightMeters,this.bevelMeters=params.bevelMeters}var DEFAULT_ANDROID=new Device({widthMeters:.11,heightMeters:.062,bevelMeters:.004}),DEFAULT_IOS=new Device({widthMeters:.1038,heightMeters:.0584,bevelMeters:.004}),Viewers={CardboardV1Alt:new CardboardViewer({id:"CardboardV1Alt",label:"Cardboard v1",fov:40,interLensDistance:.055,baselineLensDistance:.035,screenLensDistance:.042,distortionCoefficients:[.441,.156],inverseCoefficients:[-.4410035,.42756155,-.4804439,.5460139,-.58821183,.5733938,-.48303202,.33299083,-.17573841,.0651772,-.01488963,.001559834]}),CardboardV2Alt:new CardboardViewer({id:"CardboardV2Alt",label:"Cardboard v2",fov:60,interLensDistance:.055,baselineLensDistance:.035,screenLensDistance:.039,distortionCoefficients:[.34,.55],inverseCoefficients:[-.33836704,-.18162185,.862655,-1.2462051,1.0560602,-.58208317,.21609078,-.05444823,.009177956,-.0009904169,6183535e-11,-16981803e-13]}),NoLensCorrection:new CardboardViewer({id:"NoLensCorrection",label:"No lens correction",fov:45,interLensDistance:.055,baselineLensDistance:.035,screenLensDistance:.042,distortionCoefficients:[0,0],inverseCoefficients:[-.4410035,.42756155,-.4804439,.5460139,-.58821183,.5733938,-.48303202,.33299083,-.17573841,.0651772,-.01488963,.001559834]}),CardboardV1:new CardboardViewer({id:"CardboardV1",label:"Cardboard v1 (alternative)",fov:40,interLensDistance:.06,baselineLensDistance:.035,screenLensDistance:.042,distortionCoefficients:[.441,.156],inverseCoefficients:[-.4410035,.42756155,-.4804439,.5460139,-.58821183,.5733938,-.48303202,.33299083,-.17573841,.0651772,-.01488963,.001559834]}),CardboardV2:new CardboardViewer({id:"CardboardV2",label:"Cardboard v2 (alternative)",fov:60,interLensDistance:.064,baselineLensDistance:.035,screenLensDistance:.039,distortionCoefficients:[.34,.55],inverseCoefficients:[-.33836704,-.18162185,.862655,-1.2462051,1.0560602,-.58208317,.21609078,-.05444823,.009177956,-.0009904169,6183535e-11,-16981803e-13]})};function DeviceInfo(deviceParams){this.viewer=Viewers.CardboardV1Alt,this.updateDeviceParams(deviceParams),this.distortion=new Distortion(this.viewer.distortionCoefficients)}function CardboardViewer(params){this.id=params.id,this.label=params.label,this.fov=params.fov,this.interLensDistance=params.interLensDistance,this.baselineLensDistance=params.baselineLensDistance,this.screenLensDistance=params.screenLensDistance,this.distortionCoefficients=params.distortionCoefficients,this.inverseCoefficients=params.inverseCoefficients}DeviceInfo.prototype.updateDeviceParams=function(deviceParams){this.device=this.determineDevice_(deviceParams)||this.device},DeviceInfo.prototype.getDevice=function(){return this.device},DeviceInfo.prototype.setViewer=function(viewer){this.viewer=viewer,this.distortion=new Distortion(this.viewer.distortionCoefficients)},DeviceInfo.prototype.determineDevice_=function(deviceParams){if(!deviceParams)return Util.isIOS()?(console.warn("Using fallback iOS device measurements."),DEFAULT_IOS):(console.warn("Using fallback Android device measurements."),DEFAULT_ANDROID);var metersPerPixelX=.0254/deviceParams.xdpi,metersPerPixelY=.0254/deviceParams.ydpi;return new Device({widthMeters:metersPerPixelX*Util.getScreenWidth(),heightMeters:metersPerPixelY*Util.getScreenHeight(),bevelMeters:.001*deviceParams.bevelMm})},DeviceInfo.prototype.getDistortedFieldOfViewLeftEye=function(){var viewer=this.viewer,device=this.device,distortion=this.distortion,eyeToScreenDistance=viewer.screenLensDistance,outerDist=(device.widthMeters-viewer.interLensDistance)/2,innerDist=viewer.interLensDistance/2,bottomDist=viewer.baselineLensDistance-device.bevelMeters,topDist=device.heightMeters-bottomDist,outerAngle=MathUtil.radToDeg*Math.atan(distortion.distort(outerDist/eyeToScreenDistance)),innerAngle=MathUtil.radToDeg*Math.atan(distortion.distort(innerDist/eyeToScreenDistance)),bottomAngle=MathUtil.radToDeg*Math.atan(distortion.distort(bottomDist/eyeToScreenDistance)),topAngle=MathUtil.radToDeg*Math.atan(distortion.distort(topDist/eyeToScreenDistance));return{leftDegrees:Math.min(outerAngle,viewer.fov),rightDegrees:Math.min(innerAngle,viewer.fov),downDegrees:Math.min(bottomAngle,viewer.fov),upDegrees:Math.min(topAngle,viewer.fov)}},DeviceInfo.prototype.getLeftEyeVisibleTanAngles=function(){var viewer=this.viewer,device=this.device,distortion=this.distortion,fovLeft=Math.tan(-MathUtil.degToRad*viewer.fov),fovTop=Math.tan(MathUtil.degToRad*viewer.fov),fovRight=Math.tan(MathUtil.degToRad*viewer.fov),fovBottom=Math.tan(-MathUtil.degToRad*viewer.fov),halfWidth=device.widthMeters/4,halfHeight=device.heightMeters/2,verticalLensOffset=viewer.baselineLensDistance-device.bevelMeters-halfHeight,centerX=viewer.interLensDistance/2-halfWidth,centerY=-verticalLensOffset,centerZ=viewer.screenLensDistance,screenLeft=distortion.distort((centerX-halfWidth)/centerZ),screenTop=distortion.distort((centerY+halfHeight)/centerZ),screenRight=distortion.distort((centerX+halfWidth)/centerZ),screenBottom=distortion.distort((centerY-halfHeight)/centerZ),result=new Float32Array(4);return result[0]=Math.max(fovLeft,screenLeft),result[1]=Math.min(fovTop,screenTop),result[2]=Math.min(fovRight,screenRight),result[3]=Math.max(fovBottom,screenBottom),result},DeviceInfo.prototype.getLeftEyeNoLensTanAngles=function(){var viewer=this.viewer,device=this.device,distortion=this.distortion,result=new Float32Array(4),fovLeft=distortion.distortInverse(Math.tan(-MathUtil.degToRad*viewer.fov)),fovTop=distortion.distortInverse(Math.tan(MathUtil.degToRad*viewer.fov)),fovRight=distortion.distortInverse(Math.tan(MathUtil.degToRad*viewer.fov)),fovBottom=distortion.distortInverse(Math.tan(-MathUtil.degToRad*viewer.fov)),halfWidth=device.widthMeters/4,halfHeight=device.heightMeters/2,verticalLensOffset=viewer.baselineLensDistance-device.bevelMeters-halfHeight,centerX=viewer.interLensDistance/2-halfWidth,centerY=-verticalLensOffset,centerZ=viewer.screenLensDistance,screenLeft=(centerX-halfWidth)/centerZ,screenTop=(centerY+halfHeight)/centerZ,screenRight=(centerX+halfWidth)/centerZ,screenBottom=(centerY-halfHeight)/centerZ;return result[0]=Math.max(fovLeft,screenLeft),result[1]=Math.min(fovTop,screenTop),result[2]=Math.min(fovRight,screenRight),result[3]=Math.max(fovBottom,screenBottom),result},DeviceInfo.prototype.getLeftEyeVisibleScreenRect=function(undistortedFrustum){var viewer=this.viewer,device=this.device,dist=viewer.screenLensDistance,eyeX=(device.widthMeters-viewer.interLensDistance)/2,eyeY=viewer.baselineLensDistance-device.bevelMeters,left=(undistortedFrustum[0]*dist+eyeX)/device.widthMeters,top=(undistortedFrustum[1]*dist+eyeY)/device.heightMeters,right=(undistortedFrustum[2]*dist+eyeX)/device.widthMeters,bottom=(undistortedFrustum[3]*dist+eyeY)/device.heightMeters;return{x:left,y:bottom,width:right-left,height:top-bottom}},DeviceInfo.prototype.getFieldOfViewLeftEye=function(opt_isUndistorted){return opt_isUndistorted?this.getUndistortedFieldOfViewLeftEye():this.getDistortedFieldOfViewLeftEye()},DeviceInfo.prototype.getFieldOfViewRightEye=function(opt_isUndistorted){var fov=this.getFieldOfViewLeftEye(opt_isUndistorted);return{leftDegrees:fov.rightDegrees,rightDegrees:fov.leftDegrees,upDegrees:fov.upDegrees,downDegrees:fov.downDegrees}},DeviceInfo.prototype.getUndistortedFieldOfViewLeftEye=function(){var p=this.getUndistortedParams_();return{leftDegrees:MathUtil.radToDeg*Math.atan(p.outerDist),rightDegrees:MathUtil.radToDeg*Math.atan(p.innerDist),downDegrees:MathUtil.radToDeg*Math.atan(p.bottomDist),upDegrees:MathUtil.radToDeg*Math.atan(p.topDist)}},DeviceInfo.prototype.getUndistortedViewportLeftEye=function(){var p=this.getUndistortedParams_(),viewer=this.viewer,device=this.device,eyeToScreenDistance=viewer.screenLensDistance,screenWidth=device.widthMeters/eyeToScreenDistance,screenHeight=device.heightMeters/eyeToScreenDistance,xPxPerTanAngle=device.width/screenWidth,yPxPerTanAngle=device.height/screenHeight,x=Math.round((p.eyePosX-p.outerDist)*xPxPerTanAngle),y=Math.round((p.eyePosY-p.bottomDist)*yPxPerTanAngle);return{x:x,y:y,width:Math.round((p.eyePosX+p.innerDist)*xPxPerTanAngle)-x,height:Math.round((p.eyePosY+p.topDist)*yPxPerTanAngle)-y}},DeviceInfo.prototype.getUndistortedParams_=function(){var viewer=this.viewer,device=this.device,distortion=this.distortion,eyeToScreenDistance=viewer.screenLensDistance,halfLensDistance=viewer.interLensDistance/2/eyeToScreenDistance,screenWidth=device.widthMeters/eyeToScreenDistance,screenHeight=device.heightMeters/eyeToScreenDistance,eyePosX=screenWidth/2-halfLensDistance,eyePosY=(viewer.baselineLensDistance-device.bevelMeters)/eyeToScreenDistance,maxFov=viewer.fov,viewerMax=distortion.distortInverse(Math.tan(MathUtil.degToRad*maxFov)),outerDist=Math.min(eyePosX,viewerMax),innerDist=Math.min(halfLensDistance,viewerMax),bottomDist=Math.min(eyePosY,viewerMax);return{outerDist:outerDist,innerDist:innerDist,topDist:Math.min(screenHeight-eyePosY,viewerMax),bottomDist:bottomDist,eyePosX:eyePosX,eyePosY:eyePosY}},DeviceInfo.Viewers=Viewers,module.exports=DeviceInfo},{"./distortion/distortion.js":10,"./math-util.js":14,"./util.js":21}],9:[function(_dereq_,module,exports){_dereq_("./base.js").VRDisplay;var HMDVRDevice=_dereq_("./base.js").HMDVRDevice,PositionSensorVRDevice=_dereq_("./base.js").PositionSensorVRDevice;function VRDisplayHMDDevice(display){this.display=display,this.hardwareUnitId=display.displayId,this.deviceId="webvr-polyfill:HMD:"+display.displayId,this.deviceName=display.displayName+" (HMD)"}function VRDisplayPositionSensorDevice(display){this.display=display,this.hardwareUnitId=display.displayId,this.deviceId="webvr-polyfill:PositionSensor: "+display.displayId,this.deviceName=display.displayName+" (PositionSensor)"}(VRDisplayHMDDevice.prototype=new HMDVRDevice).getEyeParameters=function(whichEye){var eyeParameters=this.display.getEyeParameters(whichEye);return{currentFieldOfView:eyeParameters.fieldOfView,maximumFieldOfView:eyeParameters.fieldOfView,minimumFieldOfView:eyeParameters.fieldOfView,recommendedFieldOfView:eyeParameters.fieldOfView,eyeTranslation:{x:eyeParameters.offset[0],y:eyeParameters.offset[1],z:eyeParameters.offset[2]},renderRect:{x:"right"==whichEye?eyeParameters.renderWidth:0,y:0,width:eyeParameters.renderWidth,height:eyeParameters.renderHeight}}},VRDisplayHMDDevice.prototype.setFieldOfView=function(opt_fovLeft,opt_fovRight,opt_zNear,opt_zFar){},(VRDisplayPositionSensorDevice.prototype=new PositionSensorVRDevice).getState=function(){var pose=this.display.getPose();return{position:pose.position?{x:pose.position[0],y:pose.position[1],z:pose.position[2]}:null,orientation:pose.orientation?{x:pose.orientation[0],y:pose.orientation[1],z:pose.orientation[2],w:pose.orientation[3]}:null,linearVelocity:null,linearAcceleration:null,angularVelocity:null,angularAcceleration:null}},VRDisplayPositionSensorDevice.prototype.resetState=function(){return this.positionDevice.resetPose()},module.exports.VRDisplayHMDDevice=VRDisplayHMDDevice,module.exports.VRDisplayPositionSensorDevice=VRDisplayPositionSensorDevice},{"./base.js":3}],10:[function(_dereq_,module,exports){function Distortion(coefficients){this.coefficients=coefficients}Distortion.prototype.distortInverse=function(radius){for(var r0=0,r1=1,dr0=radius-this.distort(r0);1e-4<Math.abs(r1-r0);){var dr1=radius-this.distort(r1),r2=r1-(r1-r0)/(dr1-dr0)*dr1;r0=r1,r1=r2,dr0=dr1}return r1},Distortion.prototype.distort=function(radius){for(var r2=radius*radius,ret=0,i=0;i<this.coefficients.length;i++)ret=r2*(ret+this.coefficients[i]);return(ret+1)*radius},Distortion.prototype.solveLinear_=function(a,y){for(var n=a.length,j=0;j<n-1;++j)for(var k=j+1;k<n;++k){for(var p=a[j][k]/a[j][j],i=j+1;i<n;++i)a[i][k]-=p*a[i][j];y[k]-=p*y[j]}var x=new Array(n);for(j=n-1;0<=j;--j){var v=y[j];for(i=j+1;i<n;++i)v-=a[i][j]*x[i];x[j]=v/a[j][j]}return x},Distortion.prototype.solveLeastSquares_=function(matA,vecY){var i,j,k,sum,numSamples=matA.length,numCoefficients=matA[0].length;if(numSamples!=vecY.Length)throw new Error("Matrix / vector dimension mismatch");var matATA=new Array(numCoefficients);for(k=0;k<numCoefficients;++k)for(matATA[k]=new Array(numCoefficients),j=0;j<numCoefficients;++j){for(i=sum=0;i<numSamples;++i)sum+=matA[j][i]*matA[k][i];matATA[k][j]=sum}var vecATY=new Array(numCoefficients);for(j=0;j<numCoefficients;++j){for(i=sum=0;i<numSamples;++i)sum+=matA[j][i]*vecY[i];vecATY[j]=sum}return this.solveLinear_(matATA,vecATY)},Distortion.prototype.approximateInverse=function(maxRadius,numSamples){maxRadius=maxRadius||1,numSamples=numSamples||100;var i,j,matA=new Array(6);for(j=0;j<6;++j)matA[j]=new Array(numSamples);var vecY=new Array(numSamples);for(i=0;i<numSamples;++i){var r=maxRadius*(i+1)/numSamples,rp=this.distort(r),v=rp;for(j=0;j<6;++j)v*=rp*rp,matA[j][i]=v;vecY[i]=r-rp}return new Distortion(this.solveLeastSquares_(matA,vecY))},module.exports=Distortion},{}],11:[function(_dereq_,module,exports){module.exports={format:1,last_updated:"2019-03-11T12:00:00Z",devices:[{type:"android",rules:[{ua:"SM-G970",res:[2280,1080]}],dpi:438,bw:3,ac:500},{type:"android",rules:[{ua:"SM-G970",res:[1520,720]}],dpi:292,bw:3,ac:500},{type:"android",rules:[{ua:"SM-G973",res:[3040,1440]}],dpi:550,bw:3,ac:500},{type:"android",rules:[{ua:"SM-G973",res:[2280,1080]}],dpi:412.15,bw:3,ac:500},{type:"android",rules:[{ua:"SM-G973",res:[1520,720]}],dpi:275,bw:3,ac:500},{type:"android",rules:[{ua:"SM-G975",res:[3040,1440]}],dpi:550,bw:3,ac:500},{type:"android",rules:[{ua:"SM-G975",res:[2280,1080]}],dpi:412.15,bw:3,ac:500},{type:"android",rules:[{ua:"SM-G975",res:[1520,720]}],dpi:275,bw:3,ac:500},{type:"android",rules:[{ua:"SM-G977",res:[3040,1440]}],dpi:550,bw:3,ac:500},{type:"android",rules:[{ua:"SM-G977",res:[2280,1080]}],dpi:412.15,bw:3,ac:500},{type:"android",rules:[{ua:"SM-G977",res:[1520,720]}],dpi:275,bw:3,ac:500},{type:"android",rules:[{ua:"SM-N960",res:[2960,1440]}],dpi:516,bw:3,ac:500},{type:"android",rules:[{ua:"SM-N960",res:[2220,1080]}],dpi:387,bw:3,ac:500},{type:"android",rules:[{ua:"SM-N960",res:[1480,720]}],dpi:258,bw:3,ac:500},{type:"android",rules:[{ua:"SM-G960",res:[2960,1440]}],dpi:[562.707,565.293],bw:3,ac:500},{type:"android",rules:[{ua:"SM-G960",res:[2220,1080]}],dpi:[422.03,423.969],bw:3,ac:500},{type:"android",rules:[{ua:"SM-G960",res:[1480,720]}],dpi:[281.353,282.646],bw:3,ac:500},{type:"android",rules:[{ua:"SM-G965",res:[2960,1440]}],dpi:[522.514,525.762],bw:3,ac:500},{type:"android",rules:[{ua:"SM-G965",res:[2220,1080]}],dpi:[391.885,394.321],bw:3,ac:500},{type:"android",rules:[{ua:"SM-G965",res:[1480,720]}],dpi:[261.257,262.881],bw:3,ac:500},{type:"android",rules:[{ua:"SM-G950",res:[2960,1440]}],dpi:[562.707,565.293],bw:3,ac:500},{type:"android",rules:[{ua:"SM-G950",res:[2220,1080]}],dpi:[422.03,423.969],bw:3,ac:500},{type:"android",rules:[{ua:"SM-G950",res:[1480,720]}],dpi:[281.353,282.646],bw:3,ac:500},{type:"android",rules:[{ua:"SM-G955",res:[2960,1440]}],dpi:[522.514,525.762],bw:3,ac:500},{type:"android",rules:[{ua:"SM-G955",res:[2220,1080]}],dpi:[391.885,394.321],bw:3,ac:500},{type:"android",rules:[{ua:"SM-G955",res:[1480,720]}],dpi:[261.257,262.881],bw:3,ac:500},{type:"android",rules:[{ua:"SM-N950",res:[2960,1440]}],dpi:[522.49,522.49],bw:3,ac:500},{type:"android",rules:[{ua:"SM-N950",res:[2220,1080]}],dpi:[391.867,391.867],bw:3,ac:500},{type:"android",rules:[{ua:"SM-N950",res:[1480,720]}],dpi:[261.245,261.245],bw:3,ac:500},{type:"ios",rules:[{res:[640,960]}],dpi:[325.1,328.4],bw:4,ac:1e3},{type:"ios",rules:[{res:[640,1136]}],dpi:[317.1,320.2],bw:3,ac:1e3},{type:"ios",rules:[{res:[750,1334]}],dpi:326.4,bw:4,ac:1e3},{type:"ios",rules:[{res:[828,1792]}],dpi:326,bw:4,ac:1e3},{type:"ios",rules:[{res:[1242,2208]}],dpi:[453.6,458.4],bw:4,ac:1e3},{type:"ios",rules:[{res:[1125,2001]}],dpi:[410.9,415.4],bw:4,ac:1e3},{type:"ios",rules:[{res:[1125,2436]}],dpi:458,bw:4,ac:1e3},{type:"ios",rules:[{res:[1242,2688]}],dpi:458,bw:4,ac:1e3},{type:"ios",rules:[{res:[1125,2436]}],dpi:498,bw:4,ac:1e3},{type:"ios",rules:[{res:[1080,2340]}],dpi:476,bw:4,ac:1e3},{type:"ios",rules:[{res:[1170,2532]}],dpi:458,bw:4,ac:1e3},{type:"ios",rules:[{res:[1284,2778]}],dpi:458,bw:4,ac:1e3}]}},{}],12:[function(_dereq_,module,exports){var DPDB_CACHE=_dereq_("./dpdb-cache.js"),Util=_dereq_("../util.js");function Dpdb(fetchOnline,onDeviceParamsUpdated){if(this.dpdb=DPDB_CACHE,this.recalculateDeviceParams_(),fetchOnline){this.onDeviceParamsUpdated=onDeviceParamsUpdated;var xhr=new XMLHttpRequest,obj=this;xhr.open("GET","https://dpdb.webvr.rocks/dpdb.json",!0),xhr.addEventListener("load",function(){obj.loading=!1,200<=xhr.status&&xhr.status<=299?(obj.dpdb=JSON.parse(xhr.response),obj.recalculateDeviceParams_()):console.error("Error loading online DPDB!")}),xhr.send()}}function DeviceParams(params){this.xdpi=params.xdpi,this.ydpi=params.ydpi,this.bevelMm=params.bevelMm}Dpdb.prototype.getDeviceParams=function(){return this.deviceParams},Dpdb.prototype.recalculateDeviceParams_=function(){var newDeviceParams=this.calcDeviceParams_();newDeviceParams?(this.deviceParams=newDeviceParams,this.onDeviceParamsUpdated&&this.onDeviceParamsUpdated(this.deviceParams)):console.error("Failed to recalculate device parameters.")},Dpdb.prototype.calcDeviceParams_=function(){var db=this.dpdb;if(!db)return console.error("DPDB not available."),null;if(1!=db.format)return console.error("DPDB has unexpected format version."),null;if(!db.devices||!db.devices.length)return console.error("DPDB does not have a devices section."),null;var userAgent=navigator.userAgent||navigator.vendor||window.opera,scaleFactor=Util.isSafariWebView()?.90625:1,width=Math.round(Util.getScreenWidth()/scaleFactor),height=Math.round(Util.getScreenHeight()/scaleFactor);if(!db.devices)return console.error("DPDB has no devices section."),null;for(var i=0;i<db.devices.length;i++){var device=db.devices[i];if(device.rules)if("ios"==device.type||"android"==device.type){if(Util.isIOS()==("ios"==device.type)){for(var matched=!1,j=0;j<device.rules.length;j++){var rule=device.rules[j];if(this.matchRule_(rule,userAgent,width,height)){matched=!0;break}}if(matched)return new DeviceParams({xdpi:(device.dpi[0]||device.dpi)*scaleFactor,ydpi:(device.dpi[1]||device.dpi)*scaleFactor,bevelMm:device.bw})}}else console.warn("Device["+i+"] has invalid type.");else console.warn("Device["+i+"] has no rules section.")}return console.warn("No DPDB device match."),null},Dpdb.prototype.matchRule_=function(rule,ua,screenWidth,screenHeight){if(!rule.ua&&!rule.res)return!1;if(rule.ua&&ua.indexOf(rule.ua)<0)return!1;if(rule.res){if(!rule.res[0]||!rule.res[1])return!1;var resX=rule.res[0],resY=rule.res[1];if(Math.abs(Math.min(screenWidth,screenHeight)-Math.min(resX,resY))>window.devicePixelRatio)return!1;if(Math.abs(Math.max(screenWidth,screenHeight)-Math.max(resX,resY))>window.devicePixelRatio)return!1}return!0},module.exports=Dpdb},{"../util.js":21,"./dpdb-cache.js":11}],13:[function(_dereq_,module,exports){var Util=_dereq_("./util.js"),WebVRPolyfill=_dereq_("./webvr-polyfill.js").WebVRPolyfill;window.WebVRConfig=Util.extend({FORCE_ENABLE_VR:!1,K_FILTER:.98,PREDICTION_TIME_S:.04,TOUCH_PANNER_DISABLED:!0,CARDBOARD_UI_DISABLED:!1,ROTATE_INSTRUCTIONS_DISABLED:!1,YAW_ONLY:!1,MOUSE_KEYBOARD_CONTROLS_DISABLED:!1,DEFER_INITIALIZATION:!1,ENABLE_DEPRECATED_API:!1,BUFFER_SCALE:.5,DIRTY_SUBMIT_FRAME_BINDINGS:!1,ALWAYS_APPEND_POLYFILL_DISPLAY:!1},window.WebVRConfig),window.WebVRConfig.DEFER_INITIALIZATION?window.InitializeWebVRPolyfill=function(){new WebVRPolyfill}:new WebVRPolyfill},{"./util.js":21,"./webvr-polyfill.js":23}],14:[function(_dereq_,module,exports){var v1,r,MathUtil=window.MathUtil||{};MathUtil.degToRad=Math.PI/180,MathUtil.radToDeg=180/Math.PI,MathUtil.Vector2=function(x,y){this.x=x||0,this.y=y||0},MathUtil.Vector2.prototype={constructor:MathUtil.Vector2,set:function(x,y){return this.x=x,this.y=y,this},copy:function(v){return this.x=v.x,this.y=v.y,this},subVectors:function(a,b){return this.x=a.x-b.x,this.y=a.y-b.y,this}},MathUtil.Vector3=function(x,y,z){this.x=x||0,this.y=y||0,this.z=z||0},MathUtil.Vector3.prototype={constructor:MathUtil.Vector3,set:function(x,y,z){return this.x=x,this.y=y,this.z=z,this},copy:function(v){return this.x=v.x,this.y=v.y,this.z=v.z,this},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)},normalize:function(){var scalar=this.length();if(0!==scalar){var invScalar=1/scalar;this.multiplyScalar(invScalar)}else this.x=0,this.y=0,this.z=0;return this},multiplyScalar:function(scalar){this.x*=scalar,this.y*=scalar,this.z*=scalar},applyQuaternion:function(q){var x=this.x,y=this.y,z=this.z,qx=q.x,qy=q.y,qz=q.z,qw=q.w,ix=qw*x+qy*z-qz*y,iy=qw*y+qz*x-qx*z,iz=qw*z+qx*y-qy*x,iw=-qx*x-qy*y-qz*z;return this.x=ix*qw+iw*-qx+iy*-qz-iz*-qy,this.y=iy*qw+iw*-qy+iz*-qx-ix*-qz,this.z=iz*qw+iw*-qz+ix*-qy-iy*-qx,this},dot:function(v){return this.x*v.x+this.y*v.y+this.z*v.z},crossVectors:function(a,b){var ax=a.x,ay=a.y,az=a.z,bx=b.x,by=b.y,bz=b.z;return this.x=ay*bz-az*by,this.y=az*bx-ax*bz,this.z=ax*by-ay*bx,this}},MathUtil.Quaternion=function(x,y,z,w){this.x=x||0,this.y=y||0,this.z=z||0,this.w=void 0!==w?w:1},MathUtil.Quaternion.prototype={constructor:MathUtil.Quaternion,set:function(x,y,z,w){return this.x=x,this.y=y,this.z=z,this.w=w,this},copy:function(quaternion){return this.x=quaternion.x,this.y=quaternion.y,this.z=quaternion.z,this.w=quaternion.w,this},setFromEulerXYZ:function(x,y,z){var c1=Math.cos(x/2),c2=Math.cos(y/2),c3=Math.cos(z/2),s1=Math.sin(x/2),s2=Math.sin(y/2),s3=Math.sin(z/2);return this.x=s1*c2*c3+c1*s2*s3,this.y=c1*s2*c3-s1*c2*s3,this.z=c1*c2*s3+s1*s2*c3,this.w=c1*c2*c3-s1*s2*s3,this},setFromEulerYXZ:function(x,y,z){var c1=Math.cos(x/2),c2=Math.cos(y/2),c3=Math.cos(z/2),s1=Math.sin(x/2),s2=Math.sin(y/2),s3=Math.sin(z/2);return this.x=s1*c2*c3+c1*s2*s3,this.y=c1*s2*c3-s1*c2*s3,this.z=c1*c2*s3-s1*s2*c3,this.w=c1*c2*c3+s1*s2*s3,this},setFromAxisAngle:function(axis,angle){var halfAngle=angle/2,s=Math.sin(halfAngle);return this.x=axis.x*s,this.y=axis.y*s,this.z=axis.z*s,this.w=Math.cos(halfAngle),this},multiply:function(q){return this.multiplyQuaternions(this,q)},multiplyQuaternions:function(a,b){var qax=a.x,qay=a.y,qaz=a.z,qaw=a.w,qbx=b.x,qby=b.y,qbz=b.z,qbw=b.w;return this.x=qax*qbw+qaw*qbx+qay*qbz-qaz*qby,this.y=qay*qbw+qaw*qby+qaz*qbx-qax*qbz,this.z=qaz*qbw+qaw*qbz+qax*qby-qay*qbx,this.w=qaw*qbw-qax*qbx-qay*qby-qaz*qbz,this},inverse:function(){return this.x*=-1,this.y*=-1,this.z*=-1,this.normalize(),this},normalize:function(){var l=Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w);return 0===l?(this.x=0,this.y=0,this.z=0,this.w=1):(l=1/l,this.x=this.x*l,this.y=this.y*l,this.z=this.z*l,this.w=this.w*l),this},slerp:function(qb,t){if(0===t)return this;if(1===t)return this.copy(qb);var x=this.x,y=this.y,z=this.z,w=this.w,cosHalfTheta=w*qb.w+x*qb.x+y*qb.y+z*qb.z;if(cosHalfTheta<0?(this.w=-qb.w,this.x=-qb.x,this.y=-qb.y,this.z=-qb.z,cosHalfTheta=-cosHalfTheta):this.copy(qb),1<=cosHalfTheta)return this.w=w,this.x=x,this.y=y,this.z=z,this;var halfTheta=Math.acos(cosHalfTheta),sinHalfTheta=Math.sqrt(1-cosHalfTheta*cosHalfTheta);if(Math.abs(sinHalfTheta)<.001)return this.w=.5*(w+this.w),this.x=.5*(x+this.x),this.y=.5*(y+this.y),this.z=.5*(z+this.z),this;var ratioA=Math.sin((1-t)*halfTheta)/sinHalfTheta,ratioB=Math.sin(t*halfTheta)/sinHalfTheta;return this.w=w*ratioA+this.w*ratioB,this.x=x*ratioA+this.x*ratioB,this.y=y*ratioA+this.y*ratioB,this.z=z*ratioA+this.z*ratioB,this},setFromUnitVectors:function(vFrom,vTo){return void 0===v1&&(v1=new MathUtil.Vector3),(r=vFrom.dot(vTo)+1)<1e-6?(r=0,Math.abs(vFrom.x)>Math.abs(vFrom.z)?v1.set(-vFrom.y,vFrom.x,0):v1.set(0,-vFrom.z,vFrom.y)):v1.crossVectors(vFrom,vTo),this.x=v1.x,this.y=v1.y,this.z=v1.z,this.w=r,this.normalize(),this}},module.exports=MathUtil},{}],15:[function(_dereq_,module,exports){var VRDisplay=_dereq_("./base.js").VRDisplay,MathUtil=_dereq_("./math-util.js"),Util=_dereq_("./util.js");function MouseKeyboardVRDisplay(){this.displayName="Mouse and Keyboard VRDisplay (webvr-polyfill)",this.capabilities.hasOrientation=!0,window.addEventListener("keydown",this.onKeyDown_.bind(this)),window.addEventListener("mousemove",this.onMouseMove_.bind(this)),window.addEventListener("mousedown",this.onMouseDown_.bind(this)),window.addEventListener("mouseup",this.onMouseUp_.bind(this)),this.phi_=0,this.theta_=0,this.targetAngle_=null,this.angleAnimation_=null,this.orientation_=new MathUtil.Quaternion,this.rotateStart_=new MathUtil.Vector2,this.rotateEnd_=new MathUtil.Vector2,this.rotateDelta_=new MathUtil.Vector2,this.isDragging_=!1,this.orientationOut_=new Float32Array(4)}(MouseKeyboardVRDisplay.prototype=new VRDisplay).getImmediatePose=function(){return this.orientation_.setFromEulerYXZ(this.phi_,this.theta_,0),this.orientationOut_[0]=this.orientation_.x,this.orientationOut_[1]=this.orientation_.y,this.orientationOut_[2]=this.orientation_.z,this.orientationOut_[3]=this.orientation_.w,{position:null,orientation:this.orientationOut_,linearVelocity:null,linearAcceleration:null,angularVelocity:null,angularAcceleration:null}},MouseKeyboardVRDisplay.prototype.onKeyDown_=function(e){38==e.keyCode?this.animatePhi_(this.phi_+.15):39==e.keyCode?this.animateTheta_(this.theta_-.15):40==e.keyCode?this.animatePhi_(this.phi_-.15):37==e.keyCode&&this.animateTheta_(this.theta_+.15)},MouseKeyboardVRDisplay.prototype.animateTheta_=function(targetAngle){this.animateKeyTransitions_("theta_",targetAngle)},MouseKeyboardVRDisplay.prototype.animatePhi_=function(targetAngle){targetAngle=Util.clamp(targetAngle,-Math.PI/2,Math.PI/2),this.animateKeyTransitions_("phi_",targetAngle)},MouseKeyboardVRDisplay.prototype.animateKeyTransitions_=function(angleName,targetAngle){this.angleAnimation_&&cancelAnimationFrame(this.angleAnimation_);var startAngle=this[angleName],startTime=new Date;this.angleAnimation_=requestAnimationFrame(function animate(){var elapsed=new Date-startTime;if(80<=elapsed)return this[angleName]=targetAngle,void cancelAnimationFrame(this.angleAnimation_);this.angleAnimation_=requestAnimationFrame(animate.bind(this));var percent=elapsed/80;this[angleName]=startAngle+(targetAngle-startAngle)*percent}.bind(this))},MouseKeyboardVRDisplay.prototype.onMouseDown_=function(e){this.rotateStart_.set(e.clientX,e.clientY),this.isDragging_=!0},MouseKeyboardVRDisplay.prototype.onMouseMove_=function(e){if(this.isDragging_||this.isPointerLocked_()){if(this.isPointerLocked_()){var movementX=e.movementX||e.mozMovementX||0,movementY=e.movementY||e.mozMovementY||0;this.rotateEnd_.set(this.rotateStart_.x-movementX,this.rotateStart_.y-movementY)}else this.rotateEnd_.set(e.clientX,e.clientY);this.rotateDelta_.subVectors(this.rotateEnd_,this.rotateStart_),this.rotateStart_.copy(this.rotateEnd_),this.phi_+=2*Math.PI*this.rotateDelta_.y/screen.height*.3,this.theta_+=2*Math.PI*this.rotateDelta_.x/screen.width*.5,this.phi_=Util.clamp(this.phi_,-Math.PI/2,Math.PI/2)}},MouseKeyboardVRDisplay.prototype.onMouseUp_=function(e){this.isDragging_=!1},MouseKeyboardVRDisplay.prototype.isPointerLocked_=function(){return void 0!==(document.pointerLockElement||document.mozPointerLockElement||document.webkitPointerLockElement)},MouseKeyboardVRDisplay.prototype.resetPose=function(){this.phi_=0,this.theta_=0},module.exports=MouseKeyboardVRDisplay},{"./base.js":3,"./math-util.js":14,"./util.js":21}],16:[function(_dereq_,module,exports){var SensorSample=_dereq_("./sensor-sample.js"),MathUtil=_dereq_("../math-util.js"),Util=_dereq_("../util.js");function ComplementaryFilter(kFilter){this.kFilter=kFilter,this.currentAccelMeasurement=new SensorSample,this.currentGyroMeasurement=new SensorSample,this.previousGyroMeasurement=new SensorSample,Util.isIOS()?this.filterQ=new MathUtil.Quaternion(-1,0,0,1):this.filterQ=new MathUtil.Quaternion(1,0,0,1),this.previousFilterQ=new MathUtil.Quaternion,this.previousFilterQ.copy(this.filterQ),this.accelQ=new MathUtil.Quaternion,this.isOrientationInitialized=!1,this.estimatedGravity=new MathUtil.Vector3,this.measuredGravity=new MathUtil.Vector3,this.gyroIntegralQ=new MathUtil.Quaternion}ComplementaryFilter.prototype.addAccelMeasurement=function(vector,timestampS){this.currentAccelMeasurement.set(vector,timestampS)},ComplementaryFilter.prototype.addGyroMeasurement=function(vector,timestampS){this.currentGyroMeasurement.set(vector,timestampS);var deltaT=timestampS-this.previousGyroMeasurement.timestampS;Util.isTimestampDeltaValid(deltaT)&&this.run_(),this.previousGyroMeasurement.copy(this.currentGyroMeasurement)},ComplementaryFilter.prototype.run_=function(){if(!this.isOrientationInitialized)return this.accelQ=this.accelToQuaternion_(this.currentAccelMeasurement.sample),this.previousFilterQ.copy(this.accelQ),void(this.isOrientationInitialized=!0);var deltaT=this.currentGyroMeasurement.timestampS-this.previousGyroMeasurement.timestampS,gyroDeltaQ=this.gyroToQuaternionDelta_(this.currentGyroMeasurement.sample,deltaT);this.gyroIntegralQ.multiply(gyroDeltaQ),this.filterQ.copy(this.previousFilterQ),this.filterQ.multiply(gyroDeltaQ);var invFilterQ=new MathUtil.Quaternion;invFilterQ.copy(this.filterQ),invFilterQ.inverse(),this.estimatedGravity.set(0,0,-1),this.estimatedGravity.applyQuaternion(invFilterQ),this.estimatedGravity.normalize(),this.measuredGravity.copy(this.currentAccelMeasurement.sample),this.measuredGravity.normalize();var deltaQ=new MathUtil.Quaternion;deltaQ.setFromUnitVectors(this.estimatedGravity,this.measuredGravity),deltaQ.inverse();var targetQ=new MathUtil.Quaternion;targetQ.copy(this.filterQ),targetQ.multiply(deltaQ),this.filterQ.slerp(targetQ,1-this.kFilter),this.previousFilterQ.copy(this.filterQ)},ComplementaryFilter.prototype.getOrientation=function(){return this.filterQ},ComplementaryFilter.prototype.accelToQuaternion_=function(accel){var normAccel=new MathUtil.Vector3;normAccel.copy(accel),normAccel.normalize();var quat=new MathUtil.Quaternion;return quat.setFromUnitVectors(new MathUtil.Vector3(0,0,-1),normAccel),quat.inverse(),quat},ComplementaryFilter.prototype.gyroToQuaternionDelta_=function(gyro,dt){var quat=new MathUtil.Quaternion,axis=new MathUtil.Vector3;return axis.copy(gyro),axis.normalize(),quat.setFromAxisAngle(axis,gyro.length()*dt),quat},module.exports=ComplementaryFilter},{"../math-util.js":14,"../util.js":21,"./sensor-sample.js":19}],17:[function(_dereq_,module,exports){var ComplementaryFilter=_dereq_("./complementary-filter.js"),PosePredictor=_dereq_("./pose-predictor.js"),TouchPanner=_dereq_("../touch-panner.js"),MathUtil=_dereq_("../math-util.js"),Util=_dereq_("../util.js");function FusionPoseSensor(){this.deviceId="webvr-polyfill:fused",this.deviceName="VR Position Device (webvr-polyfill:fused)",this.accelerometer=new MathUtil.Vector3,this.gyroscope=new MathUtil.Vector3,this.filter=new ComplementaryFilter(WebVRConfig.K_FILTER),this.posePredictor=new PosePredictor(WebVRConfig.PREDICTION_TIME_S),this.touchPanner=new TouchPanner,this.isFirefoxAndroid=Util.isFirefoxAndroid(),this.isIOS=Util.isIOS();var chromeVersion=Util.getChromeVersion();this.isDeviceMotionInRadians=!this.isIOS&&chromeVersion&&chromeVersion<66,this.isWithoutDeviceMotion=Util.isChromeWithoutDeviceMotion(),this.filterToWorldQ=new MathUtil.Quaternion,Util.isIOS()?this.filterToWorldQ.setFromAxisAngle(new MathUtil.Vector3(1,0,0),Math.PI/2):this.filterToWorldQ.setFromAxisAngle(new MathUtil.Vector3(1,0,0),-Math.PI/2),this.inverseWorldToScreenQ=new MathUtil.Quaternion,this.worldToScreenQ=new MathUtil.Quaternion,this.originalPoseAdjustQ=new MathUtil.Quaternion,this.originalPoseAdjustQ.setFromAxisAngle(new MathUtil.Vector3(0,0,1),-window.orientation*Math.PI/180),this.setScreenTransform_(),Util.isLandscapeMode()&&this.filterToWorldQ.multiply(this.inverseWorldToScreenQ),this.resetQ=new MathUtil.Quaternion,this.orientationOut_=new Float32Array(4),this.start()}FusionPoseSensor.prototype.getPosition=function(){return null},FusionPoseSensor.prototype.getOrientation=function(){var orientation=void 0;if(this.isWithoutDeviceMotion&&this._deviceOrientationQ)return this.deviceOrientationFixQ=this.deviceOrientationFixQ||(z=(new MathUtil.Quaternion).setFromAxisAngle(new MathUtil.Vector3(0,0,-1),0),y=new MathUtil.Quaternion,-90===window.orientation?y.setFromAxisAngle(new MathUtil.Vector3(0,1,0),Math.PI/-2):y.setFromAxisAngle(new MathUtil.Vector3(0,1,0),Math.PI/2),z.multiply(y)),this.deviceOrientationFilterToWorldQ=this.deviceOrientationFilterToWorldQ||((q=new MathUtil.Quaternion).setFromAxisAngle(new MathUtil.Vector3(1,0,0),-Math.PI/2),q),orientation=this._deviceOrientationQ,(out=new MathUtil.Quaternion).copy(orientation),out.multiply(this.deviceOrientationFilterToWorldQ),out.multiply(this.resetQ),out.multiply(this.worldToScreenQ),out.multiplyQuaternions(this.deviceOrientationFixQ,out),this.yawOnly&&(out.x=0,out.z=0,out.normalize()),this.orientationOut_[0]=out.x,this.orientationOut_[1]=out.y,this.orientationOut_[2]=out.z,this.orientationOut_[3]=out.w,this.orientationOut_;var q,z,y,out,filterOrientation=this.filter.getOrientation();return orientation=this.posePredictor.getPrediction(filterOrientation,this.gyroscope,this.previousTimestampS),(out=new MathUtil.Quaternion).copy(this.filterToWorldQ),out.multiply(this.resetQ),WebVRConfig.TOUCH_PANNER_DISABLED||out.multiply(this.touchPanner.getOrientation()),out.multiply(orientation),out.multiply(this.worldToScreenQ),WebVRConfig.YAW_ONLY&&(out.x=0,out.z=0,out.normalize()),this.orientationOut_[0]=out.x,this.orientationOut_[1]=out.y,this.orientationOut_[2]=out.z,this.orientationOut_[3]=out.w,this.orientationOut_},FusionPoseSensor.prototype.resetPose=function(){this.resetQ.copy(this.filter.getOrientation()),this.resetQ.x=0,this.resetQ.y=0,this.resetQ.z*=-1,this.resetQ.normalize(),Util.isLandscapeMode()&&this.resetQ.multiply(this.inverseWorldToScreenQ),this.resetQ.multiply(this.originalPoseAdjustQ),WebVRConfig.TOUCH_PANNER_DISABLED||this.touchPanner.resetSensor()},FusionPoseSensor.prototype.onDeviceOrientation_=function(e){this._deviceOrientationQ=this._deviceOrientationQ||new MathUtil.Quaternion;var alpha=e.alpha,beta=e.beta,gamma=e.gamma;alpha=(alpha||0)*Math.PI/180,beta=(beta||0)*Math.PI/180,gamma=(gamma||0)*Math.PI/180,this._deviceOrientationQ.setFromEulerYXZ(beta,alpha,-gamma)},FusionPoseSensor.prototype.onDeviceMotion_=function(deviceMotion){this.updateDeviceMotion_(deviceMotion)},FusionPoseSensor.prototype.updateDeviceMotion_=function(deviceMotion){if(!deviceMotion.rotationRate)return this.isWithoutDeviceMotion=!0,window.addEventListener("deviceorientation",this.onDeviceOrientationCallback_),void window.removeEventListener("devicemotion",this.onDeviceMotionCallback_);var accGravity=deviceMotion.accelerationIncludingGravity,rotRate=deviceMotion.rotationRate,timestampS=deviceMotion.timeStamp/1e3;this.isFirefoxAndroid&&(timestampS/=1e3);var deltaS=timestampS-this.previousTimestampS;deltaS<=Util.MIN_TIMESTEP||deltaS>Util.MAX_TIMESTEP||(this.accelerometer.set(-accGravity.x,-accGravity.y,-accGravity.z),this.gyroscope.set(rotRate.alpha,rotRate.beta,rotRate.gamma),this.isDeviceMotionInRadians||this.gyroscope.multiplyScalar(Math.PI/180),this.filter.addAccelMeasurement(this.accelerometer,timestampS),this.filter.addGyroMeasurement(this.gyroscope,timestampS)),this.previousTimestampS=timestampS},FusionPoseSensor.prototype.onOrientationChange_=function(screenOrientation){this.setScreenTransform_()},FusionPoseSensor.prototype.onMessage_=function(event){var message=event.data;message&&message.type&&"devicemotion"===message.type.toLowerCase()&&this.updateDeviceMotion_(message.deviceMotionEvent)},FusionPoseSensor.prototype.setScreenTransform_=function(){switch(this.worldToScreenQ.set(0,0,0,1),window.orientation){case 0:break;case 90:this.worldToScreenQ.setFromAxisAngle(new MathUtil.Vector3(0,0,1),-Math.PI/2);break;case-90:this.worldToScreenQ.setFromAxisAngle(new MathUtil.Vector3(0,0,1),Math.PI/2)}this.inverseWorldToScreenQ.copy(this.worldToScreenQ),this.inverseWorldToScreenQ.inverse()},FusionPoseSensor.prototype.start=function(){this.onDeviceMotionCallback_=this.onDeviceMotion_.bind(this),this.onOrientationChangeCallback_=this.onOrientationChange_.bind(this),this.onMessageCallback_=this.onMessage_.bind(this),this.onDeviceOrientationCallback_=this.onDeviceOrientation_.bind(this),Util.isIOS()&&Util.isInsideCrossDomainIFrame()&&window.addEventListener("message",this.onMessageCallback_),window.addEventListener("orientationchange",this.onOrientationChangeCallback_),this.isWithoutDeviceMotion?window.addEventListener("deviceorientation",this.onDeviceOrientationCallback_):window.addEventListener("devicemotion",this.onDeviceMotionCallback_)},FusionPoseSensor.prototype.stop=function(){window.removeEventListener("devicemotion",this.onDeviceMotionCallback_),window.removeEventListener("deviceorientation",this.onDeviceOrientationCallback_),window.removeEventListener("orientationchange",this.onOrientationChangeCallback_),window.removeEventListener("message",this.onMessageCallback_)},module.exports=FusionPoseSensor},{"../math-util.js":14,"../touch-panner.js":20,"../util.js":21,"./complementary-filter.js":16,"./pose-predictor.js":18}],18:[function(_dereq_,module,exports){var MathUtil=_dereq_("../math-util"),Util=_dereq_("../util");function PosePredictor(predictionTimeS){this.predictionTimeS=predictionTimeS,this.previousQ=new MathUtil.Quaternion,this.previousTimestampS=null,this.deltaQ=new MathUtil.Quaternion,this.outQ=new MathUtil.Quaternion}PosePredictor.prototype.getPrediction=function(currentQ,gyro,timestampS){if(!this.previousTimestampS)return this.previousQ.copy(currentQ),this.previousTimestampS=timestampS,currentQ;var axis=new MathUtil.Vector3;axis.copy(gyro),axis.normalize();var angularSpeed=gyro.length();if(angularSpeed<20*MathUtil.degToRad)return Util.isDebug()&&console.log("Moving slowly, at %s deg/s: no prediction",(MathUtil.radToDeg*angularSpeed).toFixed(1)),this.outQ.copy(currentQ),this.previousQ.copy(currentQ),this.outQ;this.previousTimestampS;var predictAngle=angularSpeed*this.predictionTimeS;return this.deltaQ.setFromAxisAngle(axis,predictAngle),this.outQ.copy(this.previousQ),this.outQ.multiply(this.deltaQ),this.previousQ.copy(currentQ),this.previousTimestampS=timestampS,this.outQ},module.exports=PosePredictor},{"../math-util":14,"../util":21}],19:[function(_dereq_,module,exports){function SensorSample(sample,timestampS){this.set(sample,timestampS)}SensorSample.prototype.set=function(sample,timestampS){this.sample=sample,this.timestampS=timestampS},SensorSample.prototype.copy=function(sensorSample){this.set(sensorSample.sample,sensorSample.timestampS)},module.exports=SensorSample},{}],20:[function(_dereq_,module,exports){var MathUtil=_dereq_("./math-util.js"),Util=_dereq_("./util.js");function TouchPanner(){window.addEventListener("touchstart",this.onTouchStart_.bind(this)),window.addEventListener("touchmove",this.onTouchMove_.bind(this)),window.addEventListener("touchend",this.onTouchEnd_.bind(this)),this.isTouching=!1,this.rotateStart=new MathUtil.Vector2,this.rotateEnd=new MathUtil.Vector2,this.rotateDelta=new MathUtil.Vector2,this.theta=0,this.orientation=new MathUtil.Quaternion}TouchPanner.prototype.getOrientation=function(){return this.orientation.setFromEulerXYZ(0,0,this.theta),this.orientation},TouchPanner.prototype.resetSensor=function(){this.theta=0},TouchPanner.prototype.onTouchStart_=function(e){1==e.touches.length&&(this.rotateStart.set(e.touches[0].pageX,e.touches[0].pageY),this.isTouching=!0)},TouchPanner.prototype.onTouchMove_=function(e){if(this.isTouching){this.rotateEnd.set(e.touches[0].pageX,e.touches[0].pageY),this.rotateDelta.subVectors(this.rotateEnd,this.rotateStart),this.rotateStart.copy(this.rotateEnd),Util.isIOS()&&(this.rotateDelta.x*=-1);var element=document.body;this.theta+=2*Math.PI*this.rotateDelta.x/element.clientWidth*.5}},TouchPanner.prototype.onTouchEnd_=function(e){this.isTouching=!1},module.exports=TouchPanner},{"./math-util.js":14,"./util.js":21}],21:[function(_dereq_,module,exports){var isIOS,isSafari,isSafariWebView,isFirefoxAndroid,match,value,piOver180,rad45,defaultOrientation,defaultPosition,objectAssign=_dereq_("object-assign"),Util=window.Util||{};function inUA(text){return 0<=navigator.userAgent.toLowerCase().indexOf(text)}function updateEyeMatrices(projection,view,pose,parameters,vrDisplay){!function(out,fov,near,far){var upTan=Math.tan(fov?fov.upDegrees*piOver180:rad45),downTan=Math.tan(fov?fov.downDegrees*piOver180:rad45),leftTan=Math.tan(fov?fov.leftDegrees*piOver180:rad45),rightTan=Math.tan(fov?fov.rightDegrees*piOver180:rad45),xScale=2/(leftTan+rightTan),yScale=2/(upTan+downTan);out[0]=xScale,out[1]=0,out[2]=0,out[3]=0,out[4]=0,out[5]=yScale,out[6]=0,out[7]=0,out[8]=-(leftTan-rightTan)*xScale*.5,out[9]=(upTan-downTan)*yScale*.5,out[10]=far/(near-far),out[11]=-1,out[12]=0,out[13]=0,out[14]=far*near/(near-far),out[15]=0}(projection,parameters?parameters.fieldOfView:null,vrDisplay.depthNear,vrDisplay.depthFar),function(out,q,v){var x=q[0],y=q[1],z=q[2],w=q[3],x2=x+x,y2=y+y,z2=z+z,xx=x*x2,xy=x*y2,xz=x*z2,yy=y*y2,yz=y*z2,zz=z*z2,wx=w*x2,wy=w*y2,wz=w*z2;out[0]=1-(yy+zz),out[1]=xy+wz,out[2]=xz-wy,out[3]=0,out[4]=xy-wz,out[5]=1-(xx+zz),out[6]=yz+wx,out[7]=0,out[8]=xz+wy,out[9]=yz-wx,out[10]=1-(xx+yy),out[11]=0,out[12]=v[0],out[13]=v[1],out[14]=v[2],out[15]=1}(view,pose.orientation||defaultOrientation,pose.position||defaultPosition),parameters&&function(out,a,v){var a00,a01,a02,a03,a10,a11,a12,a13,a20,a21,a22,a23,x=v[0],y=v[1],z=v[2];a===out?(out[12]=a[0]*x+a[4]*y+a[8]*z+a[12],out[13]=a[1]*x+a[5]*y+a[9]*z+a[13],out[14]=a[2]*x+a[6]*y+a[10]*z+a[14],out[15]=a[3]*x+a[7]*y+a[11]*z+a[15]):(a00=a[0],a01=a[1],a02=a[2],a03=a[3],a10=a[4],a11=a[5],a12=a[6],a13=a[7],a20=a[8],a21=a[9],a22=a[10],a23=a[11],out[0]=a00,out[1]=a01,out[2]=a02,out[3]=a03,out[4]=a10,out[5]=a11,out[6]=a12,out[7]=a13,out[8]=a20,out[9]=a21,out[10]=a22,out[11]=a23,out[12]=a00*x+a10*y+a20*z+a[12],out[13]=a01*x+a11*y+a21*z+a[13],out[14]=a02*x+a12*y+a22*z+a[14],out[15]=a03*x+a13*y+a23*z+a[15])}(view,view,parameters.offset),function(out,a){var a00=a[0],a01=a[1],a02=a[2],a03=a[3],a10=a[4],a11=a[5],a12=a[6],a13=a[7],a20=a[8],a21=a[9],a22=a[10],a23=a[11],a30=a[12],a31=a[13],a32=a[14],a33=a[15],b00=a00*a11-a01*a10,b01=a00*a12-a02*a10,b02=a00*a13-a03*a10,b03=a01*a12-a02*a11,b04=a01*a13-a03*a11,b05=a02*a13-a03*a12,b06=a20*a31-a21*a30,b07=a20*a32-a22*a30,b08=a20*a33-a23*a30,b09=a21*a32-a22*a31,b10=a21*a33-a23*a31,b11=a22*a33-a23*a32,det=b00*b11-b01*b10+b02*b09+b03*b08-b04*b07+b05*b06;det&&(det=1/det,out[0]=(a11*b11-a12*b10+a13*b09)*det,out[1]=(a02*b10-a01*b11-a03*b09)*det,out[2]=(a31*b05-a32*b04+a33*b03)*det,out[3]=(a22*b04-a21*b05-a23*b03)*det,out[4]=(a12*b08-a10*b11-a13*b07)*det,out[5]=(a00*b11-a02*b08+a03*b07)*det,out[6]=(a32*b02-a30*b05-a33*b01)*det,out[7]=(a20*b05-a22*b02+a23*b01)*det,out[8]=(a10*b10-a11*b08+a13*b06)*det,out[9]=(a01*b08-a00*b10-a03*b06)*det,out[10]=(a30*b04-a31*b02+a33*b00)*det,out[11]=(a21*b02-a20*b04-a23*b00)*det,out[12]=(a11*b07-a10*b09-a12*b06)*det,out[13]=(a00*b09-a01*b07+a02*b06)*det,out[14]=(a31*b01-a30*b03-a32*b00)*det,out[15]=(a20*b03-a21*b01+a22*b00)*det)}(view,view)}Util.MIN_TIMESTEP=.001,Util.MAX_TIMESTEP=1,Util.base64=function(mimeType,base64){return"data:"+mimeType+";base64,"+base64},Util.clamp=function(value,min,max){return Math.min(Math.max(min,value),max)},Util.lerp=function(a,b,t){return a+(b-a)*t},Util.isIOS=(isIOS=/iPad|iPhone|iPod/.test(navigator.platform),function(){return isIOS}),Util.isSafari=(isSafari=/^((?!chrome|android).)*safari/i.test(navigator.userAgent),function(){return isSafari}),Util.isSafariWebView=(isSafariWebView=(inUA("ipad")||inUA("iphone")||inUA("ipod"))&&!inUA("crios")&&(!inUA("safari")||!inUA("version")||navigator.standalone),function(){return isSafariWebView}),Util.isFirefoxAndroid=(isFirefoxAndroid=-1!==navigator.userAgent.indexOf("Firefox")&&-1!==navigator.userAgent.indexOf("Android"),function(){return isFirefoxAndroid}),Util.getChromeVersion=(match=navigator.userAgent.match(/.*Chrome\/([0-9]+)/),value=match?parseInt(match[1],10):null,function(){return value}),Util.isChromeWithoutDeviceMotion=function(){var value=!1;if(65===Util.getChromeVersion()){var match=navigator.userAgent.match(/.*Chrome\/([0-9\.]*)/);if(match){var _match$1$split=match[1].split(".");major=_match$1$split[0],minor=_match$1$split[1],branch=_match$1$split[2],build=_match$1$split[3],value=3325===parseInt(branch,10)&&parseInt(build,10)<148}}return function(){return value}}(),Util.isLandscapeMode=function(){return 90==window.orientation||-90==window.orientation},Util.isTimestampDeltaValid=function(timestampDeltaS){return!isNaN(timestampDeltaS)&&(!(timestampDeltaS<=Util.MIN_TIMESTEP)&&!(timestampDeltaS>Util.MAX_TIMESTEP))},Util.getScreenWidth=function(){return Math.max(window.screen.width,window.screen.height)*window.devicePixelRatio},Util.getScreenHeight=function(){return Math.min(window.screen.width,window.screen.height)*window.devicePixelRatio},Util.requestFullscreen=function(element){if(element.requestFullscreen)element.requestFullscreen();else if(element.webkitRequestFullscreen)element.webkitRequestFullscreen();else if(element.mozRequestFullScreen)element.mozRequestFullScreen();else{if(!element.msRequestFullscreen)return!1;element.msRequestFullscreen()}return!0},Util.exitFullscreen=function(){if(document.exitFullscreen)document.exitFullscreen();else if(document.webkitExitFullscreen)document.webkitExitFullscreen();else if(document.mozCancelFullScreen)document.mozCancelFullScreen();else{if(!document.msExitFullscreen)return!1;document.msExitFullscreen()}return!0},Util.getFullscreenElement=function(){return document.fullscreenElement||document.webkitFullscreenElement||document.mozFullScreenElement||document.msFullscreenElement},Util.linkProgram=function(gl,vertexSource,fragmentSource,attribLocationMap){var vertexShader=gl.createShader(gl.VERTEX_SHADER);gl.shaderSource(vertexShader,vertexSource),gl.compileShader(vertexShader);var fragmentShader=gl.createShader(gl.FRAGMENT_SHADER);gl.shaderSource(fragmentShader,fragmentSource),gl.compileShader(fragmentShader);var program=gl.createProgram();for(var attribName in gl.attachShader(program,vertexShader),gl.attachShader(program,fragmentShader),attribLocationMap)gl.bindAttribLocation(program,attribLocationMap[attribName],attribName);return gl.linkProgram(program),gl.deleteShader(vertexShader),gl.deleteShader(fragmentShader),program},Util.getProgramUniforms=function(gl,program){for(var uniforms={},uniformCount=gl.getProgramParameter(program,gl.ACTIVE_UNIFORMS),uniformName="",i=0;i<uniformCount;i++){uniforms[uniformName=gl.getActiveUniform(program,i).name.replace("[0]","")]=gl.getUniformLocation(program,uniformName)}return uniforms},Util.orthoMatrix=function(out,left,right,bottom,top,near,far){var lr=1/(left-right),bt=1/(bottom-top),nf=1/(near-far);return out[0]=-2*lr,out[1]=0,out[2]=0,out[3]=0,out[4]=0,out[5]=-2*bt,out[6]=0,out[7]=0,out[8]=0,out[9]=0,out[10]=2*nf,out[11]=0,out[12]=(left+right)*lr,out[13]=(top+bottom)*bt,out[14]=(far+near)*nf,out[15]=1,out},Util.isMobile=function(){var a,check=!1;return a=navigator.userAgent||navigator.vendor||window.opera,(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od|ad)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(a)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0,4)))&&(check=!0),check},Util.extend=objectAssign,Util.safariCssSizeWorkaround=function(canvas){if(Util.isIOS()){var width=canvas.style.width,height=canvas.style.height;canvas.style.width=parseInt(width)+1+"px",canvas.style.height=parseInt(height)+"px",setTimeout(function(){canvas.style.width=width,canvas.style.height=height},100)}window.Util=Util,window.canvas=canvas},Util.isDebug=function(){return Util.getQueryParameter("debug")},Util.getQueryParameter=function(name){name=name.replace(/[\[]/,"\\[").replace(/[\]]/,"\\]");var results=new RegExp("[\\?&]"+name+"=([^&#]*)").exec(location.search);return null===results?"":decodeURIComponent(results[1].replace(/\+/g," "))},Util.frameDataFromPose=(piOver180=Math.PI/180,rad45=.25*Math.PI,defaultOrientation=new Float32Array([0,0,0,1]),defaultPosition=new Float32Array([0,0,0]),function(frameData,pose,vrDisplay){return!(!frameData||!pose||(frameData.pose=pose,frameData.timestamp=pose.timestamp,updateEyeMatrices(frameData.leftProjectionMatrix,frameData.leftViewMatrix,pose,vrDisplay.getEyeParameters("left"),vrDisplay),updateEyeMatrices(frameData.rightProjectionMatrix,frameData.rightViewMatrix,pose,vrDisplay.getEyeParameters("right"),vrDisplay),0))}),Util.isInsideCrossDomainIFrame=function(){var isFramed=window.self!==window.top,refDomain=Util.getDomainFromUrl(document.referrer),thisDomain=Util.getDomainFromUrl(window.location.href);return isFramed&&refDomain!==thisDomain},Util.getDomainFromUrl=function(url){return(-1<url.indexOf("://")?url.split("/")[2]:url.split("/")[0]).split(":")[0]},module.exports=Util},{"object-assign":2}],22:[function(_dereq_,module,exports){var DeviceInfo=_dereq_("./device-info.js"),EventEmitter3=_dereq_("eventemitter3");_dereq_("./util.js");function ViewerSelector(){try{this.selectedKey=localStorage.getItem("WEBVR_CARDBOARD_VIEWER")}catch(error){}this.selectedKey&&DeviceInfo.Viewers[this.selectedKey]||(this.selectedKey="CardboardV1Alt"),this.dialog=this.createDialog_(DeviceInfo.Viewers),this.root=null}(ViewerSelector.prototype=new EventEmitter3).show=function(root){(this.root=root).appendChild(this.dialog),this.dialog.querySelector("#"+this.selectedKey).checked=!0,this.dialog.style.display="block"},ViewerSelector.prototype.hide=function(){this.root&&this.root.contains(this.dialog)&&this.root.removeChild(this.dialog),this.dialog.style.display="none"},ViewerSelector.prototype.getCurrentViewer=function(){return DeviceInfo.Viewers[this.selectedKey]},ViewerSelector.prototype.getSelectedKey_=function(){var input=this.dialog.querySelector("input[name=field]:checked");return input?input.id:null},ViewerSelector.prototype.onSave_=function(){if(this.selectedKey=this.getSelectedKey_(),this.selectedKey&&DeviceInfo.Viewers[this.selectedKey]){this.emit("change",DeviceInfo.Viewers[this.selectedKey]);try{localStorage.setItem("WEBVR_CARDBOARD_VIEWER",this.selectedKey)}catch(error){}this.hide()}else console.error("ViewerSelector.onSave_: this should never happen!")},ViewerSelector.prototype.createDialog_=function(options){var container=document.createElement("div");container.classList.add("webvr-polyfill-viewer-selector"),container.style.display="none";var overlay=document.createElement("div");(s=overlay.style).position="fixed",s.left=0,s.top=0,s.width="100%",s.height="100%",s.background="rgba(0, 0, 0, 0.3)",overlay.addEventListener("click",this.hide.bind(this));var dialog=document.createElement("div"),s=dialog.style;for(var id in s.boxSizing="border-box",s.position="fixed",s.top="24px",s.left="50%",s.marginLeft="-140px",s.width="280px",s.padding="24px",s.overflow="hidden",s.background="#fafafa",s.fontFamily="'Roboto', sans-serif",s.boxShadow="0px 5px 20px #666",dialog.appendChild(this.createH1_("Select your viewer")),options)dialog.appendChild(this.createChoice_(id,options[id].label));return dialog.appendChild(this.createButton_("Save",this.onSave_.bind(this))),container.appendChild(overlay),container.appendChild(dialog),container},ViewerSelector.prototype.createH1_=function(name){var h1=document.createElement("h1"),s=h1.style;return s.color="black",s.fontSize="20px",s.fontWeight="bold",s.marginTop=0,s.marginBottom="24px",h1.innerHTML=name,h1},ViewerSelector.prototype.createChoice_=function(id,name){var div=document.createElement("div");div.style.marginTop="8px",div.style.color="black";var input=document.createElement("input");input.style.fontSize="30px",input.setAttribute("id",id),input.setAttribute("type","radio"),input.setAttribute("value",id),input.setAttribute("name","field");var label=document.createElement("label");return label.style.marginLeft="4px",label.setAttribute("for",id),label.innerHTML=name,div.appendChild(input),div.appendChild(label),div},ViewerSelector.prototype.createButton_=function(label,onclick){var button=document.createElement("button");button.innerHTML=label;var s=button.style;return s.float="right",s.textTransform="uppercase",s.color="#1094f7",s.fontSize="14px",s.letterSpacing=0,s.border=0,s.background="none",s.marginTop="16px",button.addEventListener("click",onclick),button},module.exports=ViewerSelector},{"./device-info.js":8,"./util.js":21,eventemitter3:1}],23:[function(_dereq_,module,exports){var Util=_dereq_("./util.js"),CardboardVRDisplay=_dereq_("./cardboard-vr-display.js"),MouseKeyboardVRDisplay=_dereq_("./mouse-keyboard-vr-display.js"),VRDisplay=_dereq_("./base.js").VRDisplay,VRFrameData=_dereq_("./base.js").VRFrameData,HMDVRDevice=_dereq_("./base.js").HMDVRDevice,PositionSensorVRDevice=_dereq_("./base.js").PositionSensorVRDevice,VRDisplayHMDDevice=_dereq_("./display-wrappers.js").VRDisplayHMDDevice,VRDisplayPositionSensorDevice=_dereq_("./display-wrappers.js").VRDisplayPositionSensorDevice;function WebVRPolyfill(){this.displays=[],this.devices=[],this.devicesPopulated=!1,this.nativeWebVRAvailable=this.isWebVRAvailable(),this.nativeLegacyWebVRAvailable=this.isDeprecatedWebVRAvailable(),this.nativeGetVRDisplaysFunc=this.nativeWebVRAvailable?navigator.getVRDisplays:null,this.nativeLegacyWebVRAvailable||(this.enablePolyfill(),WebVRConfig.ENABLE_DEPRECATED_API&&this.enableDeprecatedPolyfill()),"VRDisplay"in window&&!("VRFrameData"in window)&&(window.VRFrameData=VRFrameData,"depthNear"in window.VRDisplay.prototype||(window.VRDisplay.prototype.depthNear=.01),"depthFar"in window.VRDisplay.prototype||(window.VRDisplay.prototype.depthFar=1e4),window.VRDisplay.prototype.getFrameData=function(frameData){return Util.frameDataFromPose(frameData,this.getPose(),this)})}WebVRPolyfill.prototype.isWebVRAvailable=function(){return"getVRDisplays"in navigator},WebVRPolyfill.prototype.isDeprecatedWebVRAvailable=function(){return"getVRDevices"in navigator||"mozGetVRDevices"in navigator},WebVRPolyfill.prototype.populateDevices=function(){if(!this.devicesPopulated){var vrDisplay=null;this.isCardboardCompatible()&&(vrDisplay=new CardboardVRDisplay,this.displays.push(vrDisplay),WebVRConfig.ENABLE_DEPRECATED_API&&(this.devices.push(new VRDisplayHMDDevice(vrDisplay)),this.devices.push(new VRDisplayPositionSensorDevice(vrDisplay)))),this.isMobile()||WebVRConfig.MOUSE_KEYBOARD_CONTROLS_DISABLED||(vrDisplay=new MouseKeyboardVRDisplay,this.displays.push(vrDisplay),WebVRConfig.ENABLE_DEPRECATED_API&&(this.devices.push(new VRDisplayHMDDevice(vrDisplay)),this.devices.push(new VRDisplayPositionSensorDevice(vrDisplay)))),this.devicesPopulated=!0}},WebVRPolyfill.prototype.enablePolyfill=function(){navigator.getVRDisplays=this.getVRDisplays.bind(this),window.VRDisplay=VRDisplay;var self=this;Object.defineProperty(navigator,"vrEnabled",{get:function(){return self.isCardboardCompatible()&&(self.isFullScreenAvailable()||Util.isIOS())}}),!1 in window&&(window.VRFrameData=VRFrameData)},WebVRPolyfill.prototype.enableDeprecatedPolyfill=function(){navigator.getVRDevices=this.getVRDevices.bind(this),window.HMDVRDevice=HMDVRDevice,window.PositionSensorVRDevice=PositionSensorVRDevice},WebVRPolyfill.prototype.getVRDisplays=function(){this.populateDevices();var polyfillDisplays=this.displays;return this.nativeWebVRAvailable?this.nativeGetVRDisplaysFunc.call(navigator).then(function(nativeDisplays){return WebVRConfig.ALWAYS_APPEND_POLYFILL_DISPLAY?nativeDisplays.concat(polyfillDisplays):0<nativeDisplays.length?nativeDisplays:polyfillDisplays}):new Promise(function(resolve,reject){try{resolve(polyfillDisplays)}catch(e){reject(e)}})},WebVRPolyfill.prototype.getVRDevices=function(){console.warn("getVRDevices is deprecated. Please update your code to use getVRDisplays instead.");var self=this;return new Promise(function(resolve,reject){try{if(!self.devicesPopulated){if(self.nativeWebVRAvailable)return navigator.getVRDisplays(function(displays){for(var i=0;i<displays.length;++i)self.devices.push(new VRDisplayHMDDevice(displays[i])),self.devices.push(new VRDisplayPositionSensorDevice(displays[i]));self.devicesPopulated=!0,resolve(self.devices)},reject);if(self.nativeLegacyWebVRAvailable)return(navigator.getVRDDevices||navigator.mozGetVRDevices)(function(devices){for(var i=0;i<devices.length;++i)devices[i]instanceof HMDVRDevice&&self.devices.push(devices[i]),devices[i]instanceof PositionSensorVRDevice&&self.devices.push(devices[i]);self.devicesPopulated=!0,resolve(self.devices)},reject)}self.populateDevices(),resolve(self.devices)}catch(e){reject(e)}})},WebVRPolyfill.prototype.isMobile=function(){return/Android/i.test(navigator.userAgent)||/iPhone|iPad|iPod/i.test(navigator.userAgent)},WebVRPolyfill.prototype.isCardboardCompatible=function(){return this.isMobile()||WebVRConfig.FORCE_ENABLE_VR},WebVRPolyfill.prototype.isFullScreenAvailable=function(){return document.fullscreenEnabled||document.mozFullScreenEnabled||document.webkitFullscreenEnabled||!1},module.exports.WebVRPolyfill=WebVRPolyfill},{"./base.js":3,"./cardboard-vr-display.js":6,"./display-wrappers.js":9,"./mouse-keyboard-vr-display.js":15,"./util.js":21}]},{},[13])(13)});

!function(f){if(false)module.exports=f();else if(false)define([],f);else{("undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:this).WebVRPolyfill=f()}}(function(){return function r(e,n,t){function o(i,f){if(!n[i]){if(!e[i]){var c=false;if(!f&&c)return c(i,!0);if(u)return u(i,!0);var a=new Error("Cannot find module '"+i+"'");throw a.code="MODULE_NOT_FOUND",a}var p=n[i]={exports:{}};e[i][0].call(p.exports,function(r){return o(e[i][1][r]||r)},p,p.exports,r,e,n,t)}return n[i].exports}for(var u=false,i=0;iself.capabilities.maxLayers)reject(new Error("Invalid number of layers."));else{var incomingLayer=layers[0];if(incomingLayer.source){var leftBounds=incomingLayer.leftBounds||defaultLeftBounds,rightBounds=incomingLayer.rightBounds||defaultRightBounds;if(wasPresenting){var layer=self.layer_;layer.source!==incomingLayer.source&&(layer.source=incomingLayer.source);for(var i=0;i<4;i++)layer.leftBounds[i]!==leftBounds[i]&&(layer.leftBounds[i]=leftBounds[i]),layer.rightBounds[i]!==rightBounds[i]&&(layer.rightBounds[i]=rightBounds[i]);resolve()}else{if(self.layer_={predistorted:incomingLayer.predistorted,source:incomingLayer.source,leftBounds:leftBounds.slice(0),rightBounds:rightBounds.slice(0)},self.waitingForPresent_=!1,self.layer_&&self.layer_.source){var fullscreenElement=self.wrapForFullscreen(self.layer_.source);self.addFullscreenListeners_(fullscreenElement,function(){var actualFullscreenElement=Util.getFullscreenElement();self.isPresenting=fullscreenElement===actualFullscreenElement,self.isPresenting?(!1!==WebVRConfig.LOCK_ORIENTATION&&screen.orientation&&screen.orientation.lock&&screen.orientation.lock("landscape-primary").catch(function(error){console.error("screen.orientation.lock() failed due to",error.message)}),self.waitingForPresent_=!1,self.beginPresent_(),resolve()):(!1!==WebVRConfig.LOCK_ORIENTATION&&screen.orientation&&screen.orientation.unlock&&screen.orientation.unlock(),self.removeFullscreenWrapper(),self.endPresent_(),self.removeFullscreenListeners_()),self.fireVRDisplayPresentChange_()},function(){self.waitingForPresent_&&(self.removeFullscreenWrapper(),self.removeFullscreenListeners_(),self.waitingForPresent_=!1,self.isPresenting=!1,reject(new Error("Unable to present.")))}),Util.requestFullscreen(fullscreenElement)?self.waitingForPresent_=!0:Util.isIOS()&&(self.isPresenting=!0,self.beginPresent_(),self.fireVRDisplayPresentChange_(),resolve())}self.waitingForPresent_||Util.isIOS()||(Util.exitFullscreen(),reject(new Error("Unable to present.")))}}else resolve()}else reject(new Error("VRDisplay is not capable of presenting."))})},VRDisplay.prototype.exitPresent=function(){var wasPresenting=this.isPresenting,self=this;return this.isPresenting=!1,this.layer_=null,new Promise(function(resolve,reject){wasPresenting?(!Util.exitFullscreen()&&Util.isIOS()&&(self.endPresent_(),self.fireVRDisplayPresentChange_()),resolve()):reject(new Error("Was not presenting to VRDisplay."))})},VRDisplay.prototype.getLayers=function(){return this.layer_?[this.layer_]:[]},VRDisplay.prototype.fireVRDisplayPresentChange_=function(){var event=new CustomEvent("vrdisplaypresentchange",{detail:{display:this}});window.dispatchEvent(event)},VRDisplay.prototype.addFullscreenListeners_=function(element,changeHandler,errorHandler){this.removeFullscreenListeners_(),this.fullscreenEventTarget_=element,this.fullscreenChangeHandler_=changeHandler,this.fullscreenErrorHandler_=errorHandler,changeHandler&&(document.fullscreenEnabled?element.addEventListener("fullscreenchange",changeHandler,!1):document.webkitFullscreenEnabled?element.addEventListener("webkitfullscreenchange",changeHandler,!1):document.mozFullScreenEnabled?document.addEventListener("mozfullscreenchange",changeHandler,!1):document.msFullscreenEnabled&&element.addEventListener("msfullscreenchange",changeHandler,!1)),errorHandler&&(document.fullscreenEnabled?element.addEventListener("fullscreenerror",errorHandler,!1):document.webkitFullscreenEnabled?element.addEventListener("webkitfullscreenerror",errorHandler,!1):document.mozFullScreenEnabled?document.addEventListener("mozfullscreenerror",errorHandler,!1):document.msFullscreenEnabled&&element.addEventListener("msfullscreenerror",errorHandler,!1))},VRDisplay.prototype.removeFullscreenListeners_=function(){if(this.fullscreenEventTarget_){var element=this.fullscreenEventTarget_;if(this.fullscreenChangeHandler_){var changeHandler=this.fullscreenChangeHandler_;element.removeEventListener("fullscreenchange",changeHandler,!1),element.removeEventListener("webkitfullscreenchange",changeHandler,!1),document.removeEventListener("mozfullscreenchange",changeHandler,!1),element.removeEventListener("msfullscreenchange",changeHandler,!1)}if(this.fullscreenErrorHandler_){var errorHandler=this.fullscreenErrorHandler_;element.removeEventListener("fullscreenerror",errorHandler,!1),element.removeEventListener("webkitfullscreenerror",errorHandler,!1),document.removeEventListener("mozfullscreenerror",errorHandler,!1),element.removeEventListener("msfullscreenerror",errorHandler,!1)}this.fullscreenEventTarget_=null,this.fullscreenChangeHandler_=null,this.fullscreenErrorHandler_=null}},VRDisplay.prototype.beginPresent_=function(){},VRDisplay.prototype.endPresent_=function(){},VRDisplay.prototype.submitFrame=function(pose){},VRDisplay.prototype.getEyeParameters=function(whichEye){return null},HMDVRDevice.prototype=new VRDevice,PositionSensorVRDevice.prototype=new VRDevice,module.exports.VRFrameData=function(){this.leftProjectionMatrix=new Float32Array(16),this.leftViewMatrix=new Float32Array(16),this.rightProjectionMatrix=new Float32Array(16),this.rightViewMatrix=new Float32Array(16),this.pose=null},module.exports.VRDisplay=VRDisplay,module.exports.VRDevice=VRDevice,module.exports.HMDVRDevice=HMDVRDevice,module.exports.PositionSensorVRDevice=PositionSensorVRDevice},{"./util.js":21}],4:[function(_dereq_,module,exports){var CardboardUI=_dereq_("./cardboard-ui.js"),Util=_dereq_("./util.js"),WGLUPreserveGLState=_dereq_("./deps/wglu-preserve-state.js"),distortionVS=["attribute vec2 position;","attribute vec3 texCoord;","varying vec2 vTexCoord;","uniform vec4 viewportOffsetScale[2];","void main() {"," vec4 viewport = viewportOffsetScale[int(texCoord.z)];"," vTexCoord = (texCoord.xy * viewport.zw) + viewport.xy;"," gl_Position = vec4( position, 1.0, 1.0 );","}"].join("\n"),distortionFS=["precision mediump float;","uniform sampler2D diffuse;","varying vec2 vTexCoord;","void main() {"," gl_FragColor = texture2D(diffuse, vTexCoord);","}"].join("\n");function CardboardDistorter(gl){this.gl=gl,this.ctxAttribs=gl.getContextAttributes(),this.meshWidth=20,this.meshHeight=20,this.bufferScale=WebVRConfig.BUFFER_SCALE,this.bufferWidth=gl.drawingBufferWidth,this.bufferHeight=gl.drawingBufferHeight,this.realBindFramebuffer=gl.bindFramebuffer,this.realEnable=gl.enable,this.realDisable=gl.disable,this.realColorMask=gl.colorMask,this.realClearColor=gl.clearColor,this.realViewport=gl.viewport,Util.isIOS()||(this.realCanvasWidth=Object.getOwnPropertyDescriptor(gl.canvas.__proto__,"width"),this.realCanvasHeight=Object.getOwnPropertyDescriptor(gl.canvas.__proto__,"height")),this.isPatched=!1,this.lastBoundFramebuffer=null,this.cullFace=!1,this.depthTest=!1,this.blend=!1,this.scissorTest=!1,this.stencilTest=!1,this.viewport=[0,0,0,0],this.colorMask=[!0,!0,!0,!0],this.clearColor=[0,0,0,0],this.attribs={position:0,texCoord:1},this.program=Util.linkProgram(gl,distortionVS,distortionFS,this.attribs),this.uniforms=Util.getProgramUniforms(gl,this.program),this.viewportOffsetScale=new Float32Array(8),this.setTextureBounds(),this.vertexBuffer=gl.createBuffer(),this.indexBuffer=gl.createBuffer(),this.indexCount=0,this.renderTarget=gl.createTexture(),this.framebuffer=gl.createFramebuffer(),this.depthStencilBuffer=null,this.depthBuffer=null,this.stencilBuffer=null,this.ctxAttribs.depth&&this.ctxAttribs.stencil?this.depthStencilBuffer=gl.createRenderbuffer():this.ctxAttribs.depth?this.depthBuffer=gl.createRenderbuffer():this.ctxAttribs.stencil&&(this.stencilBuffer=gl.createRenderbuffer()),this.patch(),this.onResize(),WebVRConfig.CARDBOARD_UI_DISABLED||(this.cardboardUI=new CardboardUI(gl))}CardboardDistorter.prototype.destroy=function(){var gl=this.gl;this.unpatch(),gl.deleteProgram(this.program),gl.deleteBuffer(this.vertexBuffer),gl.deleteBuffer(this.indexBuffer),gl.deleteTexture(this.renderTarget),gl.deleteFramebuffer(this.framebuffer),this.depthStencilBuffer&&gl.deleteRenderbuffer(this.depthStencilBuffer),this.depthBuffer&&gl.deleteRenderbuffer(this.depthBuffer),this.stencilBuffer&&gl.deleteRenderbuffer(this.stencilBuffer),this.cardboardUI&&this.cardboardUI.destroy()},CardboardDistorter.prototype.onResize=function(){var gl=this.gl,self=this,glState=[gl.RENDERBUFFER_BINDING,gl.TEXTURE_BINDING_2D,gl.TEXTURE0];WGLUPreserveGLState(gl,glState,function(gl){self.realBindFramebuffer.call(gl,gl.FRAMEBUFFER,null),self.scissorTest&&self.realDisable.call(gl,gl.SCISSOR_TEST),self.realColorMask.call(gl,!0,!0,!0,!0),self.realViewport.call(gl,0,0,gl.drawingBufferWidth,gl.drawingBufferHeight),self.realClearColor.call(gl,0,0,0,1),gl.clear(gl.COLOR_BUFFER_BIT),self.realBindFramebuffer.call(gl,gl.FRAMEBUFFER,self.framebuffer),gl.bindTexture(gl.TEXTURE_2D,self.renderTarget),gl.texImage2D(gl.TEXTURE_2D,0,self.ctxAttribs.alpha?gl.RGBA:gl.RGB,self.bufferWidth,self.bufferHeight,0,self.ctxAttribs.alpha?gl.RGBA:gl.RGB,gl.UNSIGNED_BYTE,null),gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MAG_FILTER,gl.LINEAR),gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_MIN_FILTER,gl.LINEAR),gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_S,gl.CLAMP_TO_EDGE),gl.texParameteri(gl.TEXTURE_2D,gl.TEXTURE_WRAP_T,gl.CLAMP_TO_EDGE),gl.framebufferTexture2D(gl.FRAMEBUFFER,gl.COLOR_ATTACHMENT0,gl.TEXTURE_2D,self.renderTarget,0),self.ctxAttribs.depth&&self.ctxAttribs.stencil?(gl.bindRenderbuffer(gl.RENDERBUFFER,self.depthStencilBuffer),gl.renderbufferStorage(gl.RENDERBUFFER,gl.DEPTH_STENCIL,self.bufferWidth,self.bufferHeight),gl.framebufferRenderbuffer(gl.FRAMEBUFFER,gl.DEPTH_STENCIL_ATTACHMENT,gl.RENDERBUFFER,self.depthStencilBuffer)):self.ctxAttribs.depth?(gl.bindRenderbuffer(gl.RENDERBUFFER,self.depthBuffer),gl.renderbufferStorage(gl.RENDERBUFFER,gl.DEPTH_COMPONENT16,self.bufferWidth,self.bufferHeight),gl.framebufferRenderbuffer(gl.FRAMEBUFFER,gl.DEPTH_ATTACHMENT,gl.RENDERBUFFER,self.depthBuffer)):self.ctxAttribs.stencil&&(gl.bindRenderbuffer(gl.RENDERBUFFER,self.stencilBuffer),gl.renderbufferStorage(gl.RENDERBUFFER,gl.STENCIL_INDEX8,self.bufferWidth,self.bufferHeight),gl.framebufferRenderbuffer(gl.FRAMEBUFFER,gl.STENCIL_ATTACHMENT,gl.RENDERBUFFER,self.stencilBuffer)),!gl.checkFramebufferStatus(gl.FRAMEBUFFER)===gl.FRAMEBUFFER_COMPLETE&&console.error("Framebuffer incomplete!"),self.realBindFramebuffer.call(gl,gl.FRAMEBUFFER,self.lastBoundFramebuffer),self.scissorTest&&self.realEnable.call(gl,gl.SCISSOR_TEST),self.realColorMask.apply(gl,self.colorMask),self.realViewport.apply(gl,self.viewport),self.realClearColor.apply(gl,self.clearColor)}),this.cardboardUI&&this.cardboardUI.onResize()},CardboardDistorter.prototype.patch=function(){if(!this.isPatched){var self=this,canvas=this.gl.canvas,gl=this.gl;Util.isIOS()||(canvas.width=Util.getScreenWidth()*this.bufferScale,canvas.height=Util.getScreenHeight()*this.bufferScale,Object.defineProperty(canvas,"width",{configurable:!0,enumerable:!0,get:function(){return self.bufferWidth},set:function(value){self.bufferWidth=value,self.realCanvasWidth.set.call(canvas,value),self.onResize()}}),Object.defineProperty(canvas,"height",{configurable:!0,enumerable:!0,get:function(){return self.bufferHeight},set:function(value){self.bufferHeight=value,self.realCanvasHeight.set.call(canvas,value),self.onResize()}})),this.lastBoundFramebuffer=gl.getParameter(gl.FRAMEBUFFER_BINDING),null==this.lastBoundFramebuffer&&(this.lastBoundFramebuffer=this.framebuffer,this.gl.bindFramebuffer(gl.FRAMEBUFFER,this.framebuffer)),this.gl.bindFramebuffer=function(target,framebuffer){self.lastBoundFramebuffer=framebuffer||self.framebuffer,self.realBindFramebuffer.call(gl,target,self.lastBoundFramebuffer)},this.cullFace=gl.getParameter(gl.CULL_FACE),this.depthTest=gl.getParameter(gl.DEPTH_TEST),this.blend=gl.getParameter(gl.BLEND),this.scissorTest=gl.getParameter(gl.SCISSOR_TEST),this.stencilTest=gl.getParameter(gl.STENCIL_TEST),gl.enable=function(pname){switch(pname){case gl.CULL_FACE:self.cullFace=!0;break;case gl.DEPTH_TEST:self.depthTest=!0;break;case gl.BLEND:self.blend=!0;break;case gl.SCISSOR_TEST:self.scissorTest=!0;break;case gl.STENCIL_TEST:self.stencilTest=!0}self.realEnable.call(gl,pname)},gl.disable=function(pname){switch(pname){case gl.CULL_FACE:self.cullFace=!1;break;case gl.DEPTH_TEST:self.depthTest=!1;break;case gl.BLEND:self.blend=!1;break;case gl.SCISSOR_TEST:self.scissorTest=!1;break;case gl.STENCIL_TEST:self.stencilTest=!1}self.realDisable.call(gl,pname)},this.colorMask=gl.getParameter(gl.COLOR_WRITEMASK),gl.colorMask=function(r,g,b,a){self.colorMask[0]=r,self.colorMask[1]=g,self.colorMask[2]=b,self.colorMask[3]=a,self.realColorMask.call(gl,r,g,b,a)},this.clearColor=gl.getParameter(gl.COLOR_CLEAR_VALUE),gl.clearColor=function(r,g,b,a){self.clearColor[0]=r,self.clearColor[1]=g,self.clearColor[2]=b,self.clearColor[3]=a,self.realClearColor.call(gl,r,g,b,a)},this.viewport=gl.getParameter(gl.VIEWPORT),gl.viewport=function(x,y,w,h){self.viewport[0]=x,self.viewport[1]=y,self.viewport[2]=w,self.viewport[3]=h,self.realViewport.call(gl,x,y,w,h)},this.isPatched=!0,Util.safariCssSizeWorkaround(canvas)}},CardboardDistorter.prototype.unpatch=function(){if(this.isPatched){var gl=this.gl,canvas=this.gl.canvas;Util.isIOS()||(Object.defineProperty(canvas,"width",this.realCanvasWidth),Object.defineProperty(canvas,"height",this.realCanvasHeight)),canvas.width=this.bufferWidth,canvas.height=this.bufferHeight,gl.bindFramebuffer=this.realBindFramebuffer,gl.enable=this.realEnable,gl.disable=this.realDisable,gl.colorMask=this.realColorMask,gl.clearColor=this.realClearColor,gl.viewport=this.realViewport,this.lastBoundFramebuffer==this.framebuffer&&gl.bindFramebuffer(gl.FRAMEBUFFER,null),this.isPatched=!1,setTimeout(function(){Util.safariCssSizeWorkaround(canvas)},1)}},CardboardDistorter.prototype.setTextureBounds=function(leftBounds,rightBounds){leftBounds=leftBounds||[0,0,.5,1],rightBounds=rightBounds||[.5,0,.5,1],this.viewportOffsetScale[0]=leftBounds[0],this.viewportOffsetScale[1]=leftBounds[1],this.viewportOffsetScale[2]=leftBounds[2],this.viewportOffsetScale[3]=leftBounds[3],this.viewportOffsetScale[4]=rightBounds[0],this.viewportOffsetScale[5]=rightBounds[1],this.viewportOffsetScale[6]=rightBounds[2],this.viewportOffsetScale[7]=rightBounds[3]},CardboardDistorter.prototype.submitFrame=function(){var gl=this.gl,self=this,glState=[];if(WebVRConfig.DIRTY_SUBMIT_FRAME_BINDINGS||glState.push(gl.CURRENT_PROGRAM,gl.ARRAY_BUFFER_BINDING,gl.ELEMENT_ARRAY_BUFFER_BINDING,gl.TEXTURE_BINDING_2D,gl.TEXTURE0),WGLUPreserveGLState(gl,glState,function(gl){self.realBindFramebuffer.call(gl,gl.FRAMEBUFFER,null),self.cullFace&&self.realDisable.call(gl,gl.CULL_FACE),self.depthTest&&self.realDisable.call(gl,gl.DEPTH_TEST),self.blend&&self.realDisable.call(gl,gl.BLEND),self.scissorTest&&self.realDisable.call(gl,gl.SCISSOR_TEST),self.stencilTest&&self.realDisable.call(gl,gl.STENCIL_TEST),self.realColorMask.call(gl,!0,!0,!0,!0),self.realViewport.call(gl,0,0,gl.drawingBufferWidth,gl.drawingBufferHeight),(self.ctxAttribs.alpha||Util.isIOS())&&(self.realClearColor.call(gl,0,0,0,1),gl.clear(gl.COLOR_BUFFER_BIT)),gl.useProgram(self.program),gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER,self.indexBuffer),gl.bindBuffer(gl.ARRAY_BUFFER,self.vertexBuffer),gl.enableVertexAttribArray(self.attribs.position),gl.enableVertexAttribArray(self.attribs.texCoord),gl.vertexAttribPointer(self.attribs.position,2,gl.FLOAT,!1,20,0),gl.vertexAttribPointer(self.attribs.texCoord,3,gl.FLOAT,!1,20,8),gl.activeTexture(gl.TEXTURE0),gl.uniform1i(self.uniforms.diffuse,0),gl.bindTexture(gl.TEXTURE_2D,self.renderTarget),gl.uniform4fv(self.uniforms.viewportOffsetScale,self.viewportOffsetScale),gl.drawElements(gl.TRIANGLES,self.indexCount,gl.UNSIGNED_SHORT,0),self.cardboardUI&&self.cardboardUI.renderNoState(),self.realBindFramebuffer.call(self.gl,gl.FRAMEBUFFER,self.framebuffer),self.ctxAttribs.preserveDrawingBuffer||(self.realClearColor.call(gl,0,0,0,0),gl.clear(gl.COLOR_BUFFER_BIT)),WebVRConfig.DIRTY_SUBMIT_FRAME_BINDINGS||self.realBindFramebuffer.call(gl,gl.FRAMEBUFFER,self.lastBoundFramebuffer),self.cullFace&&self.realEnable.call(gl,gl.CULL_FACE),self.depthTest&&self.realEnable.call(gl,gl.DEPTH_TEST),self.blend&&self.realEnable.call(gl,gl.BLEND),self.scissorTest&&self.realEnable.call(gl,gl.SCISSOR_TEST),self.stencilTest&&self.realEnable.call(gl,gl.STENCIL_TEST),self.realColorMask.apply(gl,self.colorMask),self.realViewport.apply(gl,self.viewport),!self.ctxAttribs.alpha&&self.ctxAttribs.preserveDrawingBuffer||self.realClearColor.apply(gl,self.clearColor)}),Util.isIOS()){var canvas=gl.canvas;canvas.width==self.bufferWidth&&canvas.height==self.bufferHeight||(self.bufferWidth=canvas.width,self.bufferHeight=canvas.height,self.onResize())}},CardboardDistorter.prototype.updateDeviceInfo=function(deviceInfo){var gl=this.gl,self=this,glState=[gl.ARRAY_BUFFER_BINDING,gl.ELEMENT_ARRAY_BUFFER_BINDING];WGLUPreserveGLState(gl,glState,function(gl){var vertices=self.computeMeshVertices_(self.meshWidth,self.meshHeight,deviceInfo);if(gl.bindBuffer(gl.ARRAY_BUFFER,self.vertexBuffer),gl.bufferData(gl.ARRAY_BUFFER,vertices,gl.STATIC_DRAW),!self.indexCount){var indices=self.computeMeshIndices_(self.meshWidth,self.meshHeight);gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER,self.indexBuffer),gl.bufferData(gl.ELEMENT_ARRAY_BUFFER,indices,gl.STATIC_DRAW),self.indexCount=indices.length}})},CardboardDistorter.prototype.computeMeshVertices_=function(width,height,deviceInfo){for(var vertices=new Float32Array(2*width*height*5),lensFrustum=deviceInfo.getLeftEyeVisibleTanAngles(),noLensFrustum=deviceInfo.getLeftEyeNoLensTanAngles(),viewport=deviceInfo.getLeftEyeVisibleScreenRect(noLensFrustum),vidx=0,e=0;e<2;e++){for(var j=0;jmidline-42&&event.clientX<42+midline&&event.clientY>canvas.clientHeight-42?optionsCallback(event):event.clientX<42&&event.clientY<42&&backCallback(event)},canvas.addEventListener("click",this.listener,!1)},CardboardUI.prototype.onResize=function(){var gl=this.gl,self=this,glState=[gl.ARRAY_BUFFER_BINDING];WGLUPreserveGLState(gl,glState,function(gl){var vertices=[],midline=gl.drawingBufferWidth/2,dps=gl.drawingBufferWidth/(screen.width*window.devicePixelRatio);Util.isIOS()||(dps*=window.devicePixelRatio);var lineWidth=4*dps/2,buttonSize=42*dps,buttonScale=28*dps/2,buttonBorder=14*dps;function addGearSegment(theta,r){var angle=(90-theta)*DEG2RAD,x=Math.cos(angle),y=Math.sin(angle);vertices.push(.3125*x*buttonScale+midline,.3125*y*buttonScale+buttonScale),vertices.push(r*x*buttonScale+midline,r*y*buttonScale+buttonScale)}vertices.push(midline-lineWidth,buttonSize),vertices.push(midline-lineWidth,gl.drawingBufferHeight),vertices.push(midline+lineWidth,buttonSize),vertices.push(midline+lineWidth,gl.drawingBufferHeight),self.gearOffset=vertices.length/2;for(var i=0;i<=6;i++){var segmentTheta=60*i;addGearSegment(segmentTheta,1),addGearSegment(12+segmentTheta,1),addGearSegment(20+segmentTheta,.75),addGearSegment(40+segmentTheta,.75),addGearSegment(48+segmentTheta,1)}function addArrowVertex(x,y){vertices.push(buttonBorder+x,gl.drawingBufferHeight-buttonBorder-y)}self.gearVertexCount=vertices.length/2-self.gearOffset,self.arrowOffset=vertices.length/2;var angledLineWidth=lineWidth/Math.sin(45*DEG2RAD);addArrowVertex(0,buttonScale),addArrowVertex(buttonScale,0),addArrowVertex(buttonScale+angledLineWidth,angledLineWidth),addArrowVertex(angledLineWidth,buttonScale+angledLineWidth),addArrowVertex(angledLineWidth,buttonScale-angledLineWidth),addArrowVertex(0,buttonScale),addArrowVertex(buttonScale,2*buttonScale),addArrowVertex(buttonScale+angledLineWidth,2*buttonScale-angledLineWidth),addArrowVertex(angledLineWidth,buttonScale-angledLineWidth),addArrowVertex(0,buttonScale),addArrowVertex(angledLineWidth,buttonScale-lineWidth),addArrowVertex(28*dps,buttonScale-lineWidth),addArrowVertex(angledLineWidth,buttonScale+lineWidth),addArrowVertex(28*dps,buttonScale+lineWidth),self.arrowVertexCount=vertices.length/2-self.arrowOffset,gl.bindBuffer(gl.ARRAY_BUFFER,self.vertexBuffer),gl.bufferData(gl.ARRAY_BUFFER,new Float32Array(vertices),gl.STATIC_DRAW)})},CardboardUI.prototype.render=function(){var gl=this.gl,self=this,glState=[gl.CULL_FACE,gl.DEPTH_TEST,gl.BLEND,gl.SCISSOR_TEST,gl.STENCIL_TEST,gl.COLOR_WRITEMASK,gl.VIEWPORT,gl.CURRENT_PROGRAM,gl.ARRAY_BUFFER_BINDING];WGLUPreserveGLState(gl,glState,function(gl){gl.disable(gl.CULL_FACE),gl.disable(gl.DEPTH_TEST),gl.disable(gl.BLEND),gl.disable(gl.SCISSOR_TEST),gl.disable(gl.STENCIL_TEST),gl.colorMask(!0,!0,!0,!0),gl.viewport(0,0,gl.drawingBufferWidth,gl.drawingBufferHeight),self.renderNoState()})},CardboardUI.prototype.renderNoState=function(){var gl=this.gl;gl.useProgram(this.program),gl.bindBuffer(gl.ARRAY_BUFFER,this.vertexBuffer),gl.enableVertexAttribArray(this.attribs.position),gl.vertexAttribPointer(this.attribs.position,2,gl.FLOAT,!1,8,0),gl.uniform4f(this.uniforms.color,1,1,1,1),Util.orthoMatrix(this.projMat,0,gl.drawingBufferWidth,0,gl.drawingBufferHeight,.1,1024),gl.uniformMatrix4fv(this.uniforms.projectionMat,!1,this.projMat),gl.drawArrays(gl.TRIANGLE_STRIP,0,4),gl.drawArrays(gl.TRIANGLE_STRIP,this.gearOffset,this.gearVertexCount),gl.drawArrays(gl.TRIANGLE_STRIP,this.arrowOffset,this.arrowVertexCount)},module.exports=CardboardUI},{"./deps/wglu-preserve-state.js":7,"./util.js":21}],6:[function(_dereq_,module,exports){var CardboardDistorter=_dereq_("./cardboard-distorter.js"),CardboardUI=_dereq_("./cardboard-ui.js"),DeviceInfo=_dereq_("./device-info.js"),Dpdb=_dereq_("./dpdb/dpdb.js"),FusionPoseSensor=_dereq_("./sensor-fusion/fusion-pose-sensor.js"),ViewerSelector=_dereq_("./viewer-selector.js"),VRDisplay=_dereq_("./base.js").VRDisplay,Util=_dereq_("./util.js"),Eye_LEFT="left",Eye_RIGHT="right";function CardboardVRDisplay(){this.displayName="Cardboard VRDisplay (webvr-polyfill)",this.capabilities.hasOrientation=!0,this.capabilities.canPresent=!0,this.bufferScale_=WebVRConfig.BUFFER_SCALE,this.poseSensor_=new FusionPoseSensor,this.distorter_=null,this.cardboardUI_=null,this.dpdb_=new Dpdb(!1,this.onDeviceParamsUpdated_.bind(this)),this.deviceInfo_=new DeviceInfo(this.dpdb_.getDeviceParams()),this.viewerSelector_=new ViewerSelector,this.viewerSelector_.on("change",this.onViewerChanged_.bind(this)),this.deviceInfo_.setViewer(this.viewerSelector_.getCurrentViewer()),window.addEventListener("resize",this.onResize_.bind(this))}(CardboardVRDisplay.prototype=new VRDisplay).getImmediatePose=function(){return{position:this.poseSensor_.getPosition(),orientation:this.poseSensor_.getOrientation(),linearVelocity:null,linearAcceleration:null,angularVelocity:null,angularAcceleration:null}},CardboardVRDisplay.prototype.resetPose=function(){this.poseSensor_.resetPose()},CardboardVRDisplay.prototype.getEyeParameters=function(whichEye){var fieldOfView,offset=[.5*this.deviceInfo_.viewer.interLensDistance,0,0];if(whichEye==Eye_LEFT)offset[0]*=-1,fieldOfView=this.deviceInfo_.getFieldOfViewLeftEye();else{if(whichEye!=Eye_RIGHT)return console.error("Invalid eye provided: %s",whichEye),null;fieldOfView=this.deviceInfo_.getFieldOfViewRightEye()}return{fieldOfView:fieldOfView,offset:offset,renderWidth:.5*this.deviceInfo_.device.width*this.bufferScale_,renderHeight:this.deviceInfo_.device.height*this.bufferScale_}},CardboardVRDisplay.prototype.onDeviceParamsUpdated_=function(newParams){Util.isDebug()&&console.log("DPDB reported that device params were updated."),this.deviceInfo_.updateDeviceParams(newParams),this.distorter_&&this.distorter_.updateDeviceInfo(this.deviceInfo_)},CardboardVRDisplay.prototype.updateBounds_=function(){this.layer_&&this.distorter_&&(this.layer_.leftBounds||this.layer_.rightBounds)&&this.distorter_.setTextureBounds(this.layer_.leftBounds,this.layer_.rightBounds)},CardboardVRDisplay.prototype.beginPresent_=function(){var gl=this.layer_.source.getContext("webgl");(gl=(gl=gl||this.layer_.source.getContext("experimental-webgl"))||this.layer_.source.getContext("webgl2"))&&(this.layer_.predistorted?WebVRConfig.CARDBOARD_UI_DISABLED||(gl.canvas.width=Util.getScreenWidth()*this.bufferScale_,gl.canvas.height=Util.getScreenHeight()*this.bufferScale_,this.cardboardUI_=new CardboardUI(gl)):(this.distorter_=new CardboardDistorter(gl),this.distorter_.updateDeviceInfo(this.deviceInfo_),this.cardboardUI_=this.distorter_.cardboardUI),this.cardboardUI_&&this.cardboardUI_.listen(function(e){this.viewerSelector_.show(this.layer_.source.parentElement),e.stopPropagation(),e.preventDefault()}.bind(this),function(e){this.exitPresent(),e.stopPropagation(),e.preventDefault()}.bind(this)),this.orientationHandler=this.onOrientationChange_.bind(this),window.addEventListener("orientationchange",this.orientationHandler),this.vrdisplaypresentchangeHandler=this.updateBounds_.bind(this),window.addEventListener("vrdisplaypresentchange",this.vrdisplaypresentchangeHandler),this.fireVRDisplayDeviceParamsChange_(),this.onResize_())},CardboardVRDisplay.prototype.endPresent_=function(){this.distorter_&&(this.distorter_.destroy(),this.distorter_=null),this.cardboardUI_&&(this.cardboardUI_.destroy(),this.cardboardUI_=null),this.viewerSelector_.hide(),window.removeEventListener("orientationchange",this.orientationHandler),window.removeEventListener("vrdisplaypresentchange",this.vrdisplaypresentchangeHandler)},CardboardVRDisplay.prototype.submitFrame=function(pose){if(this.distorter_)this.distorter_.submitFrame();else if(this.cardboardUI_&&this.layer_){var canvas=this.layer_.source.getContext("webgl").canvas;canvas.width==this.lastWidth&&canvas.height==this.lastHeight||this.cardboardUI_.onResize(),this.lastWidth=canvas.width,this.lastHeight=canvas.height,this.cardboardUI_.render()}},CardboardVRDisplay.prototype.onOrientationChange_=function(e){this.viewerSelector_.hide(),this.onResize_()},CardboardVRDisplay.prototype.onResize_=function(e){var width,height,updateSize=function(delay){if(0gl.TEXTURE31){console.error("TEXTURE_BINDING_2D or TEXTURE_BINDING_CUBE_MAP must be followed by a valid texture unit"),boundValues.push(null,null);break}activeTexture=activeTexture||gl.getParameter(gl.ACTIVE_TEXTURE),gl.activeTexture(textureUnit),boundValues.push(gl.getParameter(binding),null);break;case gl.ACTIVE_TEXTURE:activeTexture=gl.getParameter(gl.ACTIVE_TEXTURE),boundValues.push(null);break;default:boundValues.push(gl.getParameter(binding))}}callback(gl);for(i=0;igl.TEXTURE31)break;gl.activeTexture(textureUnit),gl.bindTexture(gl.TEXTURE_2D,boundValue);break;case gl.TEXTURE_BINDING_CUBE_MAP:var textureUnit;if((textureUnit=bindings[++i])gl.TEXTURE31)break;gl.activeTexture(textureUnit),gl.bindTexture(gl.TEXTURE_CUBE_MAP,boundValue);break;case gl.VIEWPORT:gl.viewport(boundValue[0],boundValue[1],boundValue[2],boundValue[3]);break;case gl.BLEND:case gl.CULL_FACE:case gl.DEPTH_TEST:case gl.SCISSOR_TEST:case gl.STENCIL_TEST:boundValue?gl.enable(binding):gl.disable(binding);break;default:console.log("No GL restore behavior for 0x"+binding.toString(16))}activeTexture&&gl.activeTexture(activeTexture)}}else callback(gl)}},{}],8:[function(_dereq_,module,exports){var Distortion=_dereq_("./distortion/distortion.js"),MathUtil=_dereq_("./math-util.js"),Util=_dereq_("./util.js");function Device(params){this.width=params.width||Util.getScreenWidth(),this.height=params.height||Util.getScreenHeight(),this.widthMeters=params.widthMeters,this.heightMeters=params.heightMeters,this.bevelMeters=params.bevelMeters}var DEFAULT_ANDROID=new Device({widthMeters:.11,heightMeters:.062,bevelMeters:.004}),DEFAULT_IOS=new Device({widthMeters:.1038,heightMeters:.0584,bevelMeters:.004}),Viewers={CardboardV1Alt:new CardboardViewer({id:"CardboardV1Alt",label:"Cardboard v1",fov:40,interLensDistance:.055,baselineLensDistance:.035,screenLensDistance:.042,distortionCoefficients:[.441,.156],inverseCoefficients:[-.4410035,.42756155,-.4804439,.5460139,-.58821183,.5733938,-.48303202,.33299083,-.17573841,.0651772,-.01488963,.001559834]}),CardboardV2Alt:new CardboardViewer({id:"CardboardV2Alt",label:"Cardboard v2",fov:60,interLensDistance:.055,baselineLensDistance:.035,screenLensDistance:.039,distortionCoefficients:[.34,.55],inverseCoefficients:[-.33836704,-.18162185,.862655,-1.2462051,1.0560602,-.58208317,.21609078,-.05444823,.009177956,-.0009904169,6183535e-11,-16981803e-13]}),NoLensCorrection:new CardboardViewer({id:"NoLensCorrection",label:"No lens correction",fov:45,interLensDistance:.055,baselineLensDistance:.035,screenLensDistance:.042,distortionCoefficients:[0,0],inverseCoefficients:[-.4410035,.42756155,-.4804439,.5460139,-.58821183,.5733938,-.48303202,.33299083,-.17573841,.0651772,-.01488963,.001559834]}),CardboardV1:new CardboardViewer({id:"CardboardV1",label:"Cardboard v1 (alternative)",fov:40,interLensDistance:.06,baselineLensDistance:.035,screenLensDistance:.042,distortionCoefficients:[.441,.156],inverseCoefficients:[-.4410035,.42756155,-.4804439,.5460139,-.58821183,.5733938,-.48303202,.33299083,-.17573841,.0651772,-.01488963,.001559834]}),CardboardV2:new CardboardViewer({id:"CardboardV2",label:"Cardboard v2 (alternative)",fov:60,interLensDistance:.064,baselineLensDistance:.035,screenLensDistance:.039,distortionCoefficients:[.34,.55],inverseCoefficients:[-.33836704,-.18162185,.862655,-1.2462051,1.0560602,-.58208317,.21609078,-.05444823,.009177956,-.0009904169,6183535e-11,-16981803e-13]})};function DeviceInfo(deviceParams){this.viewer=Viewers.CardboardV1Alt,this.updateDeviceParams(deviceParams),this.distortion=new Distortion(this.viewer.distortionCoefficients)}function CardboardViewer(params){this.id=params.id,this.label=params.label,this.fov=params.fov,this.interLensDistance=params.interLensDistance,this.baselineLensDistance=params.baselineLensDistance,this.screenLensDistance=params.screenLensDistance,this.distortionCoefficients=params.distortionCoefficients,this.inverseCoefficients=params.inverseCoefficients}DeviceInfo.prototype.updateDeviceParams=function(deviceParams){this.device=this.determineDevice_(deviceParams)||this.device},DeviceInfo.prototype.getDevice=function(){return this.device},DeviceInfo.prototype.setViewer=function(viewer){this.viewer=viewer,this.distortion=new Distortion(this.viewer.distortionCoefficients)},DeviceInfo.prototype.determineDevice_=function(deviceParams){if(!deviceParams)return Util.isIOS()?(console.warn("Using fallback iOS device measurements."),DEFAULT_IOS):(console.warn("Using fallback Android device measurements."),DEFAULT_ANDROID);var metersPerPixelX=.0254/deviceParams.xdpi,metersPerPixelY=.0254/deviceParams.ydpi;return new Device({widthMeters:metersPerPixelX*Util.getScreenWidth(),heightMeters:metersPerPixelY*Util.getScreenHeight(),bevelMeters:.001*deviceParams.bevelMm})},DeviceInfo.prototype.getDistortedFieldOfViewLeftEye=function(){var viewer=this.viewer,device=this.device,distortion=this.distortion,eyeToScreenDistance=viewer.screenLensDistance,outerDist=(device.widthMeters-viewer.interLensDistance)/2,innerDist=viewer.interLensDistance/2,bottomDist=viewer.baselineLensDistance-device.bevelMeters,topDist=device.heightMeters-bottomDist,outerAngle=MathUtil.radToDeg*Math.atan(distortion.distort(outerDist/eyeToScreenDistance)),innerAngle=MathUtil.radToDeg*Math.atan(distortion.distort(innerDist/eyeToScreenDistance)),bottomAngle=MathUtil.radToDeg*Math.atan(distortion.distort(bottomDist/eyeToScreenDistance)),topAngle=MathUtil.radToDeg*Math.atan(distortion.distort(topDist/eyeToScreenDistance));return{leftDegrees:Math.min(outerAngle,viewer.fov),rightDegrees:Math.min(innerAngle,viewer.fov),downDegrees:Math.min(bottomAngle,viewer.fov),upDegrees:Math.min(topAngle,viewer.fov)}},DeviceInfo.prototype.getLeftEyeVisibleTanAngles=function(){var viewer=this.viewer,device=this.device,distortion=this.distortion,fovLeft=Math.tan(-MathUtil.degToRad*viewer.fov),fovTop=Math.tan(MathUtil.degToRad*viewer.fov),fovRight=Math.tan(MathUtil.degToRad*viewer.fov),fovBottom=Math.tan(-MathUtil.degToRad*viewer.fov),halfWidth=device.widthMeters/4,halfHeight=device.heightMeters/2,verticalLensOffset=viewer.baselineLensDistance-device.bevelMeters-halfHeight,centerX=viewer.interLensDistance/2-halfWidth,centerY=-verticalLensOffset,centerZ=viewer.screenLensDistance,screenLeft=distortion.distort((centerX-halfWidth)/centerZ),screenTop=distortion.distort((centerY+halfHeight)/centerZ),screenRight=distortion.distort((centerX+halfWidth)/centerZ),screenBottom=distortion.distort((centerY-halfHeight)/centerZ),result=new Float32Array(4);return result[0]=Math.max(fovLeft,screenLeft),result[1]=Math.min(fovTop,screenTop),result[2]=Math.min(fovRight,screenRight),result[3]=Math.max(fovBottom,screenBottom),result},DeviceInfo.prototype.getLeftEyeNoLensTanAngles=function(){var viewer=this.viewer,device=this.device,distortion=this.distortion,result=new Float32Array(4),fovLeft=distortion.distortInverse(Math.tan(-MathUtil.degToRad*viewer.fov)),fovTop=distortion.distortInverse(Math.tan(MathUtil.degToRad*viewer.fov)),fovRight=distortion.distortInverse(Math.tan(MathUtil.degToRad*viewer.fov)),fovBottom=distortion.distortInverse(Math.tan(-MathUtil.degToRad*viewer.fov)),halfWidth=device.widthMeters/4,halfHeight=device.heightMeters/2,verticalLensOffset=viewer.baselineLensDistance-device.bevelMeters-halfHeight,centerX=viewer.interLensDistance/2-halfWidth,centerY=-verticalLensOffset,centerZ=viewer.screenLensDistance,screenLeft=(centerX-halfWidth)/centerZ,screenTop=(centerY+halfHeight)/centerZ,screenRight=(centerX+halfWidth)/centerZ,screenBottom=(centerY-halfHeight)/centerZ;return result[0]=Math.max(fovLeft,screenLeft),result[1]=Math.min(fovTop,screenTop),result[2]=Math.min(fovRight,screenRight),result[3]=Math.max(fovBottom,screenBottom),result},DeviceInfo.prototype.getLeftEyeVisibleScreenRect=function(undistortedFrustum){var viewer=this.viewer,device=this.device,dist=viewer.screenLensDistance,eyeX=(device.widthMeters-viewer.interLensDistance)/2,eyeY=viewer.baselineLensDistance-device.bevelMeters,left=(undistortedFrustum[0]*dist+eyeX)/device.widthMeters,top=(undistortedFrustum[1]*dist+eyeY)/device.heightMeters,right=(undistortedFrustum[2]*dist+eyeX)/device.widthMeters,bottom=(undistortedFrustum[3]*dist+eyeY)/device.heightMeters;return{x:left,y:bottom,width:right-left,height:top-bottom}},DeviceInfo.prototype.getFieldOfViewLeftEye=function(opt_isUndistorted){return opt_isUndistorted?this.getUndistortedFieldOfViewLeftEye():this.getDistortedFieldOfViewLeftEye()},DeviceInfo.prototype.getFieldOfViewRightEye=function(opt_isUndistorted){var fov=this.getFieldOfViewLeftEye(opt_isUndistorted);return{leftDegrees:fov.rightDegrees,rightDegrees:fov.leftDegrees,upDegrees:fov.upDegrees,downDegrees:fov.downDegrees}},DeviceInfo.prototype.getUndistortedFieldOfViewLeftEye=function(){var p=this.getUndistortedParams_();return{leftDegrees:MathUtil.radToDeg*Math.atan(p.outerDist),rightDegrees:MathUtil.radToDeg*Math.atan(p.innerDist),downDegrees:MathUtil.radToDeg*Math.atan(p.bottomDist),upDegrees:MathUtil.radToDeg*Math.atan(p.topDist)}},DeviceInfo.prototype.getUndistortedViewportLeftEye=function(){var p=this.getUndistortedParams_(),viewer=this.viewer,device=this.device,eyeToScreenDistance=viewer.screenLensDistance,screenWidth=device.widthMeters/eyeToScreenDistance,screenHeight=device.heightMeters/eyeToScreenDistance,xPxPerTanAngle=device.width/screenWidth,yPxPerTanAngle=device.height/screenHeight,x=Math.round((p.eyePosX-p.outerDist)*xPxPerTanAngle),y=Math.round((p.eyePosY-p.bottomDist)*yPxPerTanAngle);return{x:x,y:y,width:Math.round((p.eyePosX+p.innerDist)*xPxPerTanAngle)-x,height:Math.round((p.eyePosY+p.topDist)*yPxPerTanAngle)-y}},DeviceInfo.prototype.getUndistortedParams_=function(){var viewer=this.viewer,device=this.device,distortion=this.distortion,eyeToScreenDistance=viewer.screenLensDistance,halfLensDistance=viewer.interLensDistance/2/eyeToScreenDistance,screenWidth=device.widthMeters/eyeToScreenDistance,screenHeight=device.heightMeters/eyeToScreenDistance,eyePosX=screenWidth/2-halfLensDistance,eyePosY=(viewer.baselineLensDistance-device.bevelMeters)/eyeToScreenDistance,maxFov=viewer.fov,viewerMax=distortion.distortInverse(Math.tan(MathUtil.degToRad*maxFov)),outerDist=Math.min(eyePosX,viewerMax),innerDist=Math.min(halfLensDistance,viewerMax),bottomDist=Math.min(eyePosY,viewerMax);return{outerDist:outerDist,innerDist:innerDist,topDist:Math.min(screenHeight-eyePosY,viewerMax),bottomDist:bottomDist,eyePosX:eyePosX,eyePosY:eyePosY}},DeviceInfo.Viewers=Viewers,module.exports=DeviceInfo},{"./distortion/distortion.js":10,"./math-util.js":14,"./util.js":21}],9:[function(_dereq_,module,exports){_dereq_("./base.js").VRDisplay;var HMDVRDevice=_dereq_("./base.js").HMDVRDevice,PositionSensorVRDevice=_dereq_("./base.js").PositionSensorVRDevice;function VRDisplayHMDDevice(display){this.display=display,this.hardwareUnitId=display.displayId,this.deviceId="webvr-polyfill:HMD:"+display.displayId,this.deviceName=display.displayName+" (HMD)"}function VRDisplayPositionSensorDevice(display){this.display=display,this.hardwareUnitId=display.displayId,this.deviceId="webvr-polyfill:PositionSensor: "+display.displayId,this.deviceName=display.displayName+" (PositionSensor)"}(VRDisplayHMDDevice.prototype=new HMDVRDevice).getEyeParameters=function(whichEye){var eyeParameters=this.display.getEyeParameters(whichEye);return{currentFieldOfView:eyeParameters.fieldOfView,maximumFieldOfView:eyeParameters.fieldOfView,minimumFieldOfView:eyeParameters.fieldOfView,recommendedFieldOfView:eyeParameters.fieldOfView,eyeTranslation:{x:eyeParameters.offset[0],y:eyeParameters.offset[1],z:eyeParameters.offset[2]},renderRect:{x:"right"==whichEye?eyeParameters.renderWidth:0,y:0,width:eyeParameters.renderWidth,height:eyeParameters.renderHeight}}},VRDisplayHMDDevice.prototype.setFieldOfView=function(opt_fovLeft,opt_fovRight,opt_zNear,opt_zFar){},(VRDisplayPositionSensorDevice.prototype=new PositionSensorVRDevice).getState=function(){var pose=this.display.getPose();return{position:pose.position?{x:pose.position[0],y:pose.position[1],z:pose.position[2]}:null,orientation:pose.orientation?{x:pose.orientation[0],y:pose.orientation[1],z:pose.orientation[2],w:pose.orientation[3]}:null,linearVelocity:null,linearAcceleration:null,angularVelocity:null,angularAcceleration:null}},VRDisplayPositionSensorDevice.prototype.resetState=function(){return this.positionDevice.resetPose()},module.exports.VRDisplayHMDDevice=VRDisplayHMDDevice,module.exports.VRDisplayPositionSensorDevice=VRDisplayPositionSensorDevice},{"./base.js":3}],10:[function(_dereq_,module,exports){function Distortion(coefficients){this.coefficients=coefficients}Distortion.prototype.distortInverse=function(radius){for(var r0=0,r1=1,dr0=radius-this.distort(r0);1e-4window.devicePixelRatio)return!1;if(Math.abs(Math.max(screenWidth,screenHeight)-Math.max(resX,resY))>window.devicePixelRatio)return!1}return!0},module.exports=Dpdb},{"../util.js":21,"./dpdb-cache.js":11}],13:[function(_dereq_,module,exports){var Util=_dereq_("./util.js"),WebVRPolyfill=_dereq_("./webvr-polyfill.js").WebVRPolyfill;window.WebVRConfig=Util.extend({FORCE_ENABLE_VR:!1,K_FILTER:.98,PREDICTION_TIME_S:.04,TOUCH_PANNER_DISABLED:!0,CARDBOARD_UI_DISABLED:!1,ROTATE_INSTRUCTIONS_DISABLED:!1,YAW_ONLY:!1,MOUSE_KEYBOARD_CONTROLS_DISABLED:!1,DEFER_INITIALIZATION:!1,ENABLE_DEPRECATED_API:!1,BUFFER_SCALE:.5,DIRTY_SUBMIT_FRAME_BINDINGS:!1,ALWAYS_APPEND_POLYFILL_DISPLAY:!1},window.WebVRConfig),window.WebVRConfig.DEFER_INITIALIZATION?window.InitializeWebVRPolyfill=function(){new WebVRPolyfill}:new WebVRPolyfill},{"./util.js":21,"./webvr-polyfill.js":23}],14:[function(_dereq_,module,exports){var v1,r,MathUtil=window.MathUtil||{};MathUtil.degToRad=Math.PI/180,MathUtil.radToDeg=180/Math.PI,MathUtil.Vector2=function(x,y){this.x=x||0,this.y=y||0},MathUtil.Vector2.prototype={constructor:MathUtil.Vector2,set:function(x,y){return this.x=x,this.y=y,this},copy:function(v){return this.x=v.x,this.y=v.y,this},subVectors:function(a,b){return this.x=a.x-b.x,this.y=a.y-b.y,this}},MathUtil.Vector3=function(x,y,z){this.x=x||0,this.y=y||0,this.z=z||0},MathUtil.Vector3.prototype={constructor:MathUtil.Vector3,set:function(x,y,z){return this.x=x,this.y=y,this.z=z,this},copy:function(v){return this.x=v.x,this.y=v.y,this.z=v.z,this},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)},normalize:function(){var scalar=this.length();if(0!==scalar){var invScalar=1/scalar;this.multiplyScalar(invScalar)}else this.x=0,this.y=0,this.z=0;return this},multiplyScalar:function(scalar){this.x*=scalar,this.y*=scalar,this.z*=scalar},applyQuaternion:function(q){var x=this.x,y=this.y,z=this.z,qx=q.x,qy=q.y,qz=q.z,qw=q.w,ix=qw*x+qy*z-qz*y,iy=qw*y+qz*x-qx*z,iz=qw*z+qx*y-qy*x,iw=-qx*x-qy*y-qz*z;return this.x=ix*qw+iw*-qx+iy*-qz-iz*-qy,this.y=iy*qw+iw*-qy+iz*-qx-ix*-qz,this.z=iz*qw+iw*-qz+ix*-qy-iy*-qx,this},dot:function(v){return this.x*v.x+this.y*v.y+this.z*v.z},crossVectors:function(a,b){var ax=a.x,ay=a.y,az=a.z,bx=b.x,by=b.y,bz=b.z;return this.x=ay*bz-az*by,this.y=az*bx-ax*bz,this.z=ax*by-ay*bx,this}},MathUtil.Quaternion=function(x,y,z,w){this.x=x||0,this.y=y||0,this.z=z||0,this.w=void 0!==w?w:1},MathUtil.Quaternion.prototype={constructor:MathUtil.Quaternion,set:function(x,y,z,w){return this.x=x,this.y=y,this.z=z,this.w=w,this},copy:function(quaternion){return this.x=quaternion.x,this.y=quaternion.y,this.z=quaternion.z,this.w=quaternion.w,this},setFromEulerXYZ:function(x,y,z){var c1=Math.cos(x/2),c2=Math.cos(y/2),c3=Math.cos(z/2),s1=Math.sin(x/2),s2=Math.sin(y/2),s3=Math.sin(z/2);return this.x=s1*c2*c3+c1*s2*s3,this.y=c1*s2*c3-s1*c2*s3,this.z=c1*c2*s3+s1*s2*c3,this.w=c1*c2*c3-s1*s2*s3,this},setFromEulerYXZ:function(x,y,z){var c1=Math.cos(x/2),c2=Math.cos(y/2),c3=Math.cos(z/2),s1=Math.sin(x/2),s2=Math.sin(y/2),s3=Math.sin(z/2);return this.x=s1*c2*c3+c1*s2*s3,this.y=c1*s2*c3-s1*c2*s3,this.z=c1*c2*s3-s1*s2*c3,this.w=c1*c2*c3+s1*s2*s3,this},setFromAxisAngle:function(axis,angle){var halfAngle=angle/2,s=Math.sin(halfAngle);return this.x=axis.x*s,this.y=axis.y*s,this.z=axis.z*s,this.w=Math.cos(halfAngle),this},multiply:function(q){return this.multiplyQuaternions(this,q)},multiplyQuaternions:function(a,b){var qax=a.x,qay=a.y,qaz=a.z,qaw=a.w,qbx=b.x,qby=b.y,qbz=b.z,qbw=b.w;return this.x=qax*qbw+qaw*qbx+qay*qbz-qaz*qby,this.y=qay*qbw+qaw*qby+qaz*qbx-qax*qbz,this.z=qaz*qbw+qaw*qbz+qax*qby-qay*qbx,this.w=qaw*qbw-qax*qbx-qay*qby-qaz*qbz,this},inverse:function(){return this.x*=-1,this.y*=-1,this.z*=-1,this.normalize(),this},normalize:function(){var l=Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w);return 0===l?(this.x=0,this.y=0,this.z=0,this.w=1):(l=1/l,this.x=this.x*l,this.y=this.y*l,this.z=this.z*l,this.w=this.w*l),this},slerp:function(qb,t){if(0===t)return this;if(1===t)return this.copy(qb);var x=this.x,y=this.y,z=this.z,w=this.w,cosHalfTheta=w*qb.w+x*qb.x+y*qb.y+z*qb.z;if(cosHalfTheta<0?(this.w=-qb.w,this.x=-qb.x,this.y=-qb.y,this.z=-qb.z,cosHalfTheta=-cosHalfTheta):this.copy(qb),1<=cosHalfTheta)return this.w=w,this.x=x,this.y=y,this.z=z,this;var halfTheta=Math.acos(cosHalfTheta),sinHalfTheta=Math.sqrt(1-cosHalfTheta*cosHalfTheta);if(Math.abs(sinHalfTheta)<.001)return this.w=.5*(w+this.w),this.x=.5*(x+this.x),this.y=.5*(y+this.y),this.z=.5*(z+this.z),this;var ratioA=Math.sin((1-t)*halfTheta)/sinHalfTheta,ratioB=Math.sin(t*halfTheta)/sinHalfTheta;return this.w=w*ratioA+this.w*ratioB,this.x=x*ratioA+this.x*ratioB,this.y=y*ratioA+this.y*ratioB,this.z=z*ratioA+this.z*ratioB,this},setFromUnitVectors:function(vFrom,vTo){return void 0===v1&&(v1=new MathUtil.Vector3),(r=vFrom.dot(vTo)+1)<1e-6?(r=0,Math.abs(vFrom.x)>Math.abs(vFrom.z)?v1.set(-vFrom.y,vFrom.x,0):v1.set(0,-vFrom.z,vFrom.y)):v1.crossVectors(vFrom,vTo),this.x=v1.x,this.y=v1.y,this.z=v1.z,this.w=r,this.normalize(),this}},module.exports=MathUtil},{}],15:[function(_dereq_,module,exports){var VRDisplay=_dereq_("./base.js").VRDisplay,MathUtil=_dereq_("./math-util.js"),Util=_dereq_("./util.js");function MouseKeyboardVRDisplay(){this.displayName="Mouse and Keyboard VRDisplay (webvr-polyfill)",this.capabilities.hasOrientation=!0,window.addEventListener("keydown",this.onKeyDown_.bind(this)),window.addEventListener("mousemove",this.onMouseMove_.bind(this)),window.addEventListener("mousedown",this.onMouseDown_.bind(this)),window.addEventListener("mouseup",this.onMouseUp_.bind(this)),this.phi_=0,this.theta_=0,this.targetAngle_=null,this.angleAnimation_=null,this.orientation_=new MathUtil.Quaternion,this.rotateStart_=new MathUtil.Vector2,this.rotateEnd_=new MathUtil.Vector2,this.rotateDelta_=new MathUtil.Vector2,this.isDragging_=!1,this.orientationOut_=new Float32Array(4)}(MouseKeyboardVRDisplay.prototype=new VRDisplay).getImmediatePose=function(){return this.orientation_.setFromEulerYXZ(this.phi_,this.theta_,0),this.orientationOut_[0]=this.orientation_.x,this.orientationOut_[1]=this.orientation_.y,this.orientationOut_[2]=this.orientation_.z,this.orientationOut_[3]=this.orientation_.w,{position:null,orientation:this.orientationOut_,linearVelocity:null,linearAcceleration:null,angularVelocity:null,angularAcceleration:null}},MouseKeyboardVRDisplay.prototype.onKeyDown_=function(e){38==e.keyCode?this.animatePhi_(this.phi_+.15):39==e.keyCode?this.animateTheta_(this.theta_-.15):40==e.keyCode?this.animatePhi_(this.phi_-.15):37==e.keyCode&&this.animateTheta_(this.theta_+.15)},MouseKeyboardVRDisplay.prototype.animateTheta_=function(targetAngle){this.animateKeyTransitions_("theta_",targetAngle)},MouseKeyboardVRDisplay.prototype.animatePhi_=function(targetAngle){targetAngle=Util.clamp(targetAngle,-Math.PI/2,Math.PI/2),this.animateKeyTransitions_("phi_",targetAngle)},MouseKeyboardVRDisplay.prototype.animateKeyTransitions_=function(angleName,targetAngle){this.angleAnimation_&&cancelAnimationFrame(this.angleAnimation_);var startAngle=this[angleName],startTime=new Date;this.angleAnimation_=requestAnimationFrame(function animate(){var elapsed=new Date-startTime;if(80<=elapsed)return this[angleName]=targetAngle,void cancelAnimationFrame(this.angleAnimation_);this.angleAnimation_=requestAnimationFrame(animate.bind(this));var percent=elapsed/80;this[angleName]=startAngle+(targetAngle-startAngle)*percent}.bind(this))},MouseKeyboardVRDisplay.prototype.onMouseDown_=function(e){this.rotateStart_.set(e.clientX,e.clientY),this.isDragging_=!0},MouseKeyboardVRDisplay.prototype.onMouseMove_=function(e){if(this.isDragging_||this.isPointerLocked_()){if(this.isPointerLocked_()){var movementX=e.movementX||e.mozMovementX||0,movementY=e.movementY||e.mozMovementY||0;this.rotateEnd_.set(this.rotateStart_.x-movementX,this.rotateStart_.y-movementY)}else this.rotateEnd_.set(e.clientX,e.clientY);this.rotateDelta_.subVectors(this.rotateEnd_,this.rotateStart_),this.rotateStart_.copy(this.rotateEnd_),this.phi_+=2*Math.PI*this.rotateDelta_.y/screen.height*.3,this.theta_+=2*Math.PI*this.rotateDelta_.x/screen.width*.5,this.phi_=Util.clamp(this.phi_,-Math.PI/2,Math.PI/2)}},MouseKeyboardVRDisplay.prototype.onMouseUp_=function(e){this.isDragging_=!1},MouseKeyboardVRDisplay.prototype.isPointerLocked_=function(){return void 0!==(document.pointerLockElement||document.mozPointerLockElement||document.webkitPointerLockElement)},MouseKeyboardVRDisplay.prototype.resetPose=function(){this.phi_=0,this.theta_=0},module.exports=MouseKeyboardVRDisplay},{"./base.js":3,"./math-util.js":14,"./util.js":21}],16:[function(_dereq_,module,exports){var SensorSample=_dereq_("./sensor-sample.js"),MathUtil=_dereq_("../math-util.js"),Util=_dereq_("../util.js");function ComplementaryFilter(kFilter){this.kFilter=kFilter,this.currentAccelMeasurement=new SensorSample,this.currentGyroMeasurement=new SensorSample,this.previousGyroMeasurement=new SensorSample,Util.isIOS()?this.filterQ=new MathUtil.Quaternion(-1,0,0,1):this.filterQ=new MathUtil.Quaternion(1,0,0,1),this.previousFilterQ=new MathUtil.Quaternion,this.previousFilterQ.copy(this.filterQ),this.accelQ=new MathUtil.Quaternion,this.isOrientationInitialized=!1,this.estimatedGravity=new MathUtil.Vector3,this.measuredGravity=new MathUtil.Vector3,this.gyroIntegralQ=new MathUtil.Quaternion}ComplementaryFilter.prototype.addAccelMeasurement=function(vector,timestampS){this.currentAccelMeasurement.set(vector,timestampS)},ComplementaryFilter.prototype.addGyroMeasurement=function(vector,timestampS){this.currentGyroMeasurement.set(vector,timestampS);var deltaT=timestampS-this.previousGyroMeasurement.timestampS;Util.isTimestampDeltaValid(deltaT)&&this.run_(),this.previousGyroMeasurement.copy(this.currentGyroMeasurement)},ComplementaryFilter.prototype.run_=function(){if(!this.isOrientationInitialized)return this.accelQ=this.accelToQuaternion_(this.currentAccelMeasurement.sample),this.previousFilterQ.copy(this.accelQ),void(this.isOrientationInitialized=!0);var deltaT=this.currentGyroMeasurement.timestampS-this.previousGyroMeasurement.timestampS,gyroDeltaQ=this.gyroToQuaternionDelta_(this.currentGyroMeasurement.sample,deltaT);this.gyroIntegralQ.multiply(gyroDeltaQ),this.filterQ.copy(this.previousFilterQ),this.filterQ.multiply(gyroDeltaQ);var invFilterQ=new MathUtil.Quaternion;invFilterQ.copy(this.filterQ),invFilterQ.inverse(),this.estimatedGravity.set(0,0,-1),this.estimatedGravity.applyQuaternion(invFilterQ),this.estimatedGravity.normalize(),this.measuredGravity.copy(this.currentAccelMeasurement.sample),this.measuredGravity.normalize();var deltaQ=new MathUtil.Quaternion;deltaQ.setFromUnitVectors(this.estimatedGravity,this.measuredGravity),deltaQ.inverse();var targetQ=new MathUtil.Quaternion;targetQ.copy(this.filterQ),targetQ.multiply(deltaQ),this.filterQ.slerp(targetQ,1-this.kFilter),this.previousFilterQ.copy(this.filterQ)},ComplementaryFilter.prototype.getOrientation=function(){return this.filterQ},ComplementaryFilter.prototype.accelToQuaternion_=function(accel){var normAccel=new MathUtil.Vector3;normAccel.copy(accel),normAccel.normalize();var quat=new MathUtil.Quaternion;return quat.setFromUnitVectors(new MathUtil.Vector3(0,0,-1),normAccel),quat.inverse(),quat},ComplementaryFilter.prototype.gyroToQuaternionDelta_=function(gyro,dt){var quat=new MathUtil.Quaternion,axis=new MathUtil.Vector3;return axis.copy(gyro),axis.normalize(),quat.setFromAxisAngle(axis,gyro.length()*dt),quat},module.exports=ComplementaryFilter},{"../math-util.js":14,"../util.js":21,"./sensor-sample.js":19}],17:[function(_dereq_,module,exports){var ComplementaryFilter=_dereq_("./complementary-filter.js"),PosePredictor=_dereq_("./pose-predictor.js"),TouchPanner=_dereq_("../touch-panner.js"),MathUtil=_dereq_("../math-util.js"),Util=_dereq_("../util.js");function FusionPoseSensor(){this.deviceId="webvr-polyfill:fused",this.deviceName="VR Position Device (webvr-polyfill:fused)",this.accelerometer=new MathUtil.Vector3,this.gyroscope=new MathUtil.Vector3,this.filter=new ComplementaryFilter(WebVRConfig.K_FILTER),this.posePredictor=new PosePredictor(WebVRConfig.PREDICTION_TIME_S),this.touchPanner=new TouchPanner,this.isFirefoxAndroid=Util.isFirefoxAndroid(),this.isIOS=Util.isIOS();var chromeVersion=Util.getChromeVersion();this.isDeviceMotionInRadians=!this.isIOS&&chromeVersion&&chromeVersion<66,this.isWithoutDeviceMotion=Util.isChromeWithoutDeviceMotion(),this.filterToWorldQ=new MathUtil.Quaternion,Util.isIOS()?this.filterToWorldQ.setFromAxisAngle(new MathUtil.Vector3(1,0,0),Math.PI/2):this.filterToWorldQ.setFromAxisAngle(new MathUtil.Vector3(1,0,0),-Math.PI/2),this.inverseWorldToScreenQ=new MathUtil.Quaternion,this.worldToScreenQ=new MathUtil.Quaternion,this.originalPoseAdjustQ=new MathUtil.Quaternion,this.originalPoseAdjustQ.setFromAxisAngle(new MathUtil.Vector3(0,0,1),-window.orientation*Math.PI/180),this.setScreenTransform_(),Util.isLandscapeMode()&&this.filterToWorldQ.multiply(this.inverseWorldToScreenQ),this.resetQ=new MathUtil.Quaternion,this.orientationOut_=new Float32Array(4),this.start()}FusionPoseSensor.prototype.getPosition=function(){return null},FusionPoseSensor.prototype.getOrientation=function(){var orientation=void 0;if(this.isWithoutDeviceMotion&&this._deviceOrientationQ)return this.deviceOrientationFixQ=this.deviceOrientationFixQ||(z=(new MathUtil.Quaternion).setFromAxisAngle(new MathUtil.Vector3(0,0,-1),0),y=new MathUtil.Quaternion,-90===window.orientation?y.setFromAxisAngle(new MathUtil.Vector3(0,1,0),Math.PI/-2):y.setFromAxisAngle(new MathUtil.Vector3(0,1,0),Math.PI/2),z.multiply(y)),this.deviceOrientationFilterToWorldQ=this.deviceOrientationFilterToWorldQ||((q=new MathUtil.Quaternion).setFromAxisAngle(new MathUtil.Vector3(1,0,0),-Math.PI/2),q),orientation=this._deviceOrientationQ,(out=new MathUtil.Quaternion).copy(orientation),out.multiply(this.deviceOrientationFilterToWorldQ),out.multiply(this.resetQ),out.multiply(this.worldToScreenQ),out.multiplyQuaternions(this.deviceOrientationFixQ,out),this.yawOnly&&(out.x=0,out.z=0,out.normalize()),this.orientationOut_[0]=out.x,this.orientationOut_[1]=out.y,this.orientationOut_[2]=out.z,this.orientationOut_[3]=out.w,this.orientationOut_;var q,z,y,out,filterOrientation=this.filter.getOrientation();return orientation=this.posePredictor.getPrediction(filterOrientation,this.gyroscope,this.previousTimestampS),(out=new MathUtil.Quaternion).copy(this.filterToWorldQ),out.multiply(this.resetQ),WebVRConfig.TOUCH_PANNER_DISABLED||out.multiply(this.touchPanner.getOrientation()),out.multiply(orientation),out.multiply(this.worldToScreenQ),WebVRConfig.YAW_ONLY&&(out.x=0,out.z=0,out.normalize()),this.orientationOut_[0]=out.x,this.orientationOut_[1]=out.y,this.orientationOut_[2]=out.z,this.orientationOut_[3]=out.w,this.orientationOut_},FusionPoseSensor.prototype.resetPose=function(){this.resetQ.copy(this.filter.getOrientation()),this.resetQ.x=0,this.resetQ.y=0,this.resetQ.z*=-1,this.resetQ.normalize(),Util.isLandscapeMode()&&this.resetQ.multiply(this.inverseWorldToScreenQ),this.resetQ.multiply(this.originalPoseAdjustQ),WebVRConfig.TOUCH_PANNER_DISABLED||this.touchPanner.resetSensor()},FusionPoseSensor.prototype.onDeviceOrientation_=function(e){this._deviceOrientationQ=this._deviceOrientationQ||new MathUtil.Quaternion;var alpha=e.alpha,beta=e.beta,gamma=e.gamma;alpha=(alpha||0)*Math.PI/180,beta=(beta||0)*Math.PI/180,gamma=(gamma||0)*Math.PI/180,this._deviceOrientationQ.setFromEulerYXZ(beta,alpha,-gamma)},FusionPoseSensor.prototype.onDeviceMotion_=function(deviceMotion){this.updateDeviceMotion_(deviceMotion)},FusionPoseSensor.prototype.updateDeviceMotion_=function(deviceMotion){if(!deviceMotion.rotationRate)return this.isWithoutDeviceMotion=!0,window.addEventListener("deviceorientation",this.onDeviceOrientationCallback_),void window.removeEventListener("devicemotion",this.onDeviceMotionCallback_);var accGravity=deviceMotion.accelerationIncludingGravity,rotRate=deviceMotion.rotationRate,timestampS=deviceMotion.timeStamp/1e3;this.isFirefoxAndroid&&(timestampS/=1e3);var deltaS=timestampS-this.previousTimestampS;deltaS<=Util.MIN_TIMESTEP||deltaS>Util.MAX_TIMESTEP||(this.accelerometer.set(-accGravity.x,-accGravity.y,-accGravity.z),this.gyroscope.set(rotRate.alpha,rotRate.beta,rotRate.gamma),this.isDeviceMotionInRadians||this.gyroscope.multiplyScalar(Math.PI/180),this.filter.addAccelMeasurement(this.accelerometer,timestampS),this.filter.addGyroMeasurement(this.gyroscope,timestampS)),this.previousTimestampS=timestampS},FusionPoseSensor.prototype.onOrientationChange_=function(screenOrientation){this.setScreenTransform_()},FusionPoseSensor.prototype.onMessage_=function(event){var message=event.data;message&&message.type&&"devicemotion"===message.type.toLowerCase()&&this.updateDeviceMotion_(message.deviceMotionEvent)},FusionPoseSensor.prototype.setScreenTransform_=function(){switch(this.worldToScreenQ.set(0,0,0,1),window.orientation){case 0:break;case 90:this.worldToScreenQ.setFromAxisAngle(new MathUtil.Vector3(0,0,1),-Math.PI/2);break;case-90:this.worldToScreenQ.setFromAxisAngle(new MathUtil.Vector3(0,0,1),Math.PI/2)}this.inverseWorldToScreenQ.copy(this.worldToScreenQ),this.inverseWorldToScreenQ.inverse()},FusionPoseSensor.prototype.start=function(){this.onDeviceMotionCallback_=this.onDeviceMotion_.bind(this),this.onOrientationChangeCallback_=this.onOrientationChange_.bind(this),this.onMessageCallback_=this.onMessage_.bind(this),this.onDeviceOrientationCallback_=this.onDeviceOrientation_.bind(this),Util.isIOS()&&Util.isInsideCrossDomainIFrame()&&window.addEventListener("message",this.onMessageCallback_),window.addEventListener("orientationchange",this.onOrientationChangeCallback_),this.isWithoutDeviceMotion?window.addEventListener("deviceorientation",this.onDeviceOrientationCallback_):window.addEventListener("devicemotion",this.onDeviceMotionCallback_)},FusionPoseSensor.prototype.stop=function(){window.removeEventListener("devicemotion",this.onDeviceMotionCallback_),window.removeEventListener("deviceorientation",this.onDeviceOrientationCallback_),window.removeEventListener("orientationchange",this.onOrientationChangeCallback_),window.removeEventListener("message",this.onMessageCallback_)},module.exports=FusionPoseSensor},{"../math-util.js":14,"../touch-panner.js":20,"../util.js":21,"./complementary-filter.js":16,"./pose-predictor.js":18}],18:[function(_dereq_,module,exports){var MathUtil=_dereq_("../math-util"),Util=_dereq_("../util");function PosePredictor(predictionTimeS){this.predictionTimeS=predictionTimeS,this.previousQ=new MathUtil.Quaternion,this.previousTimestampS=null,this.deltaQ=new MathUtil.Quaternion,this.outQ=new MathUtil.Quaternion}PosePredictor.prototype.getPrediction=function(currentQ,gyro,timestampS){if(!this.previousTimestampS)return this.previousQ.copy(currentQ),this.previousTimestampS=timestampS,currentQ;var axis=new MathUtil.Vector3;axis.copy(gyro),axis.normalize();var angularSpeed=gyro.length();if(angularSpeed<20*MathUtil.degToRad)return Util.isDebug()&&console.log("Moving slowly, at %s deg/s: no prediction",(MathUtil.radToDeg*angularSpeed).toFixed(1)),this.outQ.copy(currentQ),this.previousQ.copy(currentQ),this.outQ;this.previousTimestampS;var predictAngle=angularSpeed*this.predictionTimeS;return this.deltaQ.setFromAxisAngle(axis,predictAngle),this.outQ.copy(this.previousQ),this.outQ.multiply(this.deltaQ),this.previousQ.copy(currentQ),this.previousTimestampS=timestampS,this.outQ},module.exports=PosePredictor},{"../math-util":14,"../util":21}],19:[function(_dereq_,module,exports){function SensorSample(sample,timestampS){this.set(sample,timestampS)}SensorSample.prototype.set=function(sample,timestampS){this.sample=sample,this.timestampS=timestampS},SensorSample.prototype.copy=function(sensorSample){this.set(sensorSample.sample,sensorSample.timestampS)},module.exports=SensorSample},{}],20:[function(_dereq_,module,exports){var MathUtil=_dereq_("./math-util.js"),Util=_dereq_("./util.js");function TouchPanner(){window.addEventListener("touchstart",this.onTouchStart_.bind(this)),window.addEventListener("touchmove",this.onTouchMove_.bind(this)),window.addEventListener("touchend",this.onTouchEnd_.bind(this)),this.isTouching=!1,this.rotateStart=new MathUtil.Vector2,this.rotateEnd=new MathUtil.Vector2,this.rotateDelta=new MathUtil.Vector2,this.theta=0,this.orientation=new MathUtil.Quaternion}TouchPanner.prototype.getOrientation=function(){return this.orientation.setFromEulerXYZ(0,0,this.theta),this.orientation},TouchPanner.prototype.resetSensor=function(){this.theta=0},TouchPanner.prototype.onTouchStart_=function(e){1==e.touches.length&&(this.rotateStart.set(e.touches[0].pageX,e.touches[0].pageY),this.isTouching=!0)},TouchPanner.prototype.onTouchMove_=function(e){if(this.isTouching){this.rotateEnd.set(e.touches[0].pageX,e.touches[0].pageY),this.rotateDelta.subVectors(this.rotateEnd,this.rotateStart),this.rotateStart.copy(this.rotateEnd),Util.isIOS()&&(this.rotateDelta.x*=-1);var element=document.body;this.theta+=2*Math.PI*this.rotateDelta.x/element.clientWidth*.5}},TouchPanner.prototype.onTouchEnd_=function(e){this.isTouching=!1},module.exports=TouchPanner},{"./math-util.js":14,"./util.js":21}],21:[function(_dereq_,module,exports){var isIOS,isSafari,isSafariWebView,isFirefoxAndroid,match,value,piOver180,rad45,defaultOrientation,defaultPosition,objectAssign=_dereq_("object-assign"),Util=window.Util||{};function inUA(text){return 0<=navigator.userAgent.toLowerCase().indexOf(text)}function updateEyeMatrices(projection,view,pose,parameters,vrDisplay){!function(out,fov,near,far){var upTan=Math.tan(fov?fov.upDegrees*piOver180:rad45),downTan=Math.tan(fov?fov.downDegrees*piOver180:rad45),leftTan=Math.tan(fov?fov.leftDegrees*piOver180:rad45),rightTan=Math.tan(fov?fov.rightDegrees*piOver180:rad45),xScale=2/(leftTan+rightTan),yScale=2/(upTan+downTan);out[0]=xScale,out[1]=0,out[2]=0,out[3]=0,out[4]=0,out[5]=yScale,out[6]=0,out[7]=0,out[8]=-(leftTan-rightTan)*xScale*.5,out[9]=(upTan-downTan)*yScale*.5,out[10]=far/(near-far),out[11]=-1,out[12]=0,out[13]=0,out[14]=far*near/(near-far),out[15]=0}(projection,parameters?parameters.fieldOfView:null,vrDisplay.depthNear,vrDisplay.depthFar),function(out,q,v){var x=q[0],y=q[1],z=q[2],w=q[3],x2=x+x,y2=y+y,z2=z+z,xx=x*x2,xy=x*y2,xz=x*z2,yy=y*y2,yz=y*z2,zz=z*z2,wx=w*x2,wy=w*y2,wz=w*z2;out[0]=1-(yy+zz),out[1]=xy+wz,out[2]=xz-wy,out[3]=0,out[4]=xy-wz,out[5]=1-(xx+zz),out[6]=yz+wx,out[7]=0,out[8]=xz+wy,out[9]=yz-wx,out[10]=1-(xx+yy),out[11]=0,out[12]=v[0],out[13]=v[1],out[14]=v[2],out[15]=1}(view,pose.orientation||defaultOrientation,pose.position||defaultPosition),parameters&&function(out,a,v){var a00,a01,a02,a03,a10,a11,a12,a13,a20,a21,a22,a23,x=v[0],y=v[1],z=v[2];a===out?(out[12]=a[0]*x+a[4]*y+a[8]*z+a[12],out[13]=a[1]*x+a[5]*y+a[9]*z+a[13],out[14]=a[2]*x+a[6]*y+a[10]*z+a[14],out[15]=a[3]*x+a[7]*y+a[11]*z+a[15]):(a00=a[0],a01=a[1],a02=a[2],a03=a[3],a10=a[4],a11=a[5],a12=a[6],a13=a[7],a20=a[8],a21=a[9],a22=a[10],a23=a[11],out[0]=a00,out[1]=a01,out[2]=a02,out[3]=a03,out[4]=a10,out[5]=a11,out[6]=a12,out[7]=a13,out[8]=a20,out[9]=a21,out[10]=a22,out[11]=a23,out[12]=a00*x+a10*y+a20*z+a[12],out[13]=a01*x+a11*y+a21*z+a[13],out[14]=a02*x+a12*y+a22*z+a[14],out[15]=a03*x+a13*y+a23*z+a[15])}(view,view,parameters.offset),function(out,a){var a00=a[0],a01=a[1],a02=a[2],a03=a[3],a10=a[4],a11=a[5],a12=a[6],a13=a[7],a20=a[8],a21=a[9],a22=a[10],a23=a[11],a30=a[12],a31=a[13],a32=a[14],a33=a[15],b00=a00*a11-a01*a10,b01=a00*a12-a02*a10,b02=a00*a13-a03*a10,b03=a01*a12-a02*a11,b04=a01*a13-a03*a11,b05=a02*a13-a03*a12,b06=a20*a31-a21*a30,b07=a20*a32-a22*a30,b08=a20*a33-a23*a30,b09=a21*a32-a22*a31,b10=a21*a33-a23*a31,b11=a22*a33-a23*a32,det=b00*b11-b01*b10+b02*b09+b03*b08-b04*b07+b05*b06;det&&(det=1/det,out[0]=(a11*b11-a12*b10+a13*b09)*det,out[1]=(a02*b10-a01*b11-a03*b09)*det,out[2]=(a31*b05-a32*b04+a33*b03)*det,out[3]=(a22*b04-a21*b05-a23*b03)*det,out[4]=(a12*b08-a10*b11-a13*b07)*det,out[5]=(a00*b11-a02*b08+a03*b07)*det,out[6]=(a32*b02-a30*b05-a33*b01)*det,out[7]=(a20*b05-a22*b02+a23*b01)*det,out[8]=(a10*b10-a11*b08+a13*b06)*det,out[9]=(a01*b08-a00*b10-a03*b06)*det,out[10]=(a30*b04-a31*b02+a33*b00)*det,out[11]=(a21*b02-a20*b04-a23*b00)*det,out[12]=(a11*b07-a10*b09-a12*b06)*det,out[13]=(a00*b09-a01*b07+a02*b06)*det,out[14]=(a31*b01-a30*b03-a32*b00)*det,out[15]=(a20*b03-a21*b01+a22*b00)*det)}(view,view)}Util.MIN_TIMESTEP=.001,Util.MAX_TIMESTEP=1,Util.base64=function(mimeType,base64){return"data:"+mimeType+";base64,"+base64},Util.clamp=function(value,min,max){return Math.min(Math.max(min,value),max)},Util.lerp=function(a,b,t){return a+(b-a)*t},Util.isIOS=(isIOS=/iPad|iPhone|iPod/.test(navigator.platform),function(){return isIOS}),Util.isSafari=(isSafari=/^((?!chrome|android).)*safari/i.test(navigator.userAgent),function(){return isSafari}),Util.isSafariWebView=(isSafariWebView=(inUA("ipad")||inUA("iphone")||inUA("ipod"))&&!inUA("crios")&&(!inUA("safari")||!inUA("version")||navigator.standalone),function(){return isSafariWebView}),Util.isFirefoxAndroid=(isFirefoxAndroid=-1!==navigator.userAgent.indexOf("Firefox")&&-1!==navigator.userAgent.indexOf("Android"),function(){return isFirefoxAndroid}),Util.getChromeVersion=(match=navigator.userAgent.match(/.*Chrome\/([0-9]+)/),value=match?parseInt(match[1],10):null,function(){return value}),Util.isChromeWithoutDeviceMotion=function(){var value=!1;if(65===Util.getChromeVersion()){var match=navigator.userAgent.match(/.*Chrome\/([0-9\.]*)/);if(match){var _match$1$split=match[1].split(".");major=_match$1$split[0],minor=_match$1$split[1],branch=_match$1$split[2],build=_match$1$split[3],value=3325===parseInt(branch,10)&&parseInt(build,10)<148}}return function(){return value}}(),Util.isLandscapeMode=function(){return 90==window.orientation||-90==window.orientation},Util.isTimestampDeltaValid=function(timestampDeltaS){return!isNaN(timestampDeltaS)&&(!(timestampDeltaS<=Util.MIN_TIMESTEP)&&!(timestampDeltaS>Util.MAX_TIMESTEP))},Util.getScreenWidth=function(){return Math.max(window.screen.width,window.screen.height)*window.devicePixelRatio},Util.getScreenHeight=function(){return Math.min(window.screen.width,window.screen.height)*window.devicePixelRatio},Util.requestFullscreen=function(element){if(element.requestFullscreen)element.requestFullscreen();else if(element.webkitRequestFullscreen)element.webkitRequestFullscreen();else if(element.mozRequestFullScreen)element.mozRequestFullScreen();else{if(!element.msRequestFullscreen)return!1;element.msRequestFullscreen()}return!0},Util.exitFullscreen=function(){if(document.exitFullscreen)document.exitFullscreen();else if(document.webkitExitFullscreen)document.webkitExitFullscreen();else if(document.mozCancelFullScreen)document.mozCancelFullScreen();else{if(!document.msExitFullscreen)return!1;document.msExitFullscreen()}return!0},Util.getFullscreenElement=function(){return document.fullscreenElement||document.webkitFullscreenElement||document.mozFullScreenElement||document.msFullscreenElement},Util.linkProgram=function(gl,vertexSource,fragmentSource,attribLocationMap){var vertexShader=gl.createShader(gl.VERTEX_SHADER);gl.shaderSource(vertexShader,vertexSource),gl.compileShader(vertexShader);var fragmentShader=gl.createShader(gl.FRAGMENT_SHADER);gl.shaderSource(fragmentShader,fragmentSource),gl.compileShader(fragmentShader);var program=gl.createProgram();for(var attribName in gl.attachShader(program,vertexShader),gl.attachShader(program,fragmentShader),attribLocationMap)gl.bindAttribLocation(program,attribLocationMap[attribName],attribName);return gl.linkProgram(program),gl.deleteShader(vertexShader),gl.deleteShader(fragmentShader),program},Util.getProgramUniforms=function(gl,program){for(var uniforms={},uniformCount=gl.getProgramParameter(program,gl.ACTIVE_UNIFORMS),uniformName="",i=0;i