Merge branch 'master' of https://github.com/BabylonJS/Babylon.js

Playground/js/perf.js

@@ -1,158 +0,0 @@
-(function () {
-    var snippetUrl = "https://babylonjs-api2.azurewebsites.net/snippets";
-    var currentSnippetToken;
-    var engine;
-    var scripts;
-    var zipCode;
-    BABYLON.Engine.ShadersRepository = "/src/Shaders/";
-    var loadScript = function (scriptURL, title) {
-        var xhr = new XMLHttpRequest();
-
-        xhr.open('GET', scriptURL, true);
-
-        xhr.onreadystatechange = function () {
-            if (xhr.readyState === 4) {
-                if (xhr.status === 200) {
-                    blockEditorChange = true;
-                    console.log(xhr.responseText);
-                    jsEditor.setValue(xhr.responseText);
-                    jsEditor.setPosition({ lineNumber: 0, column: 0 });
-                    blockEditorChange = false;
-                    compileAndRun();
-
-                    document.getElementById("currentScript").innerHTML = title;
-
-                    currentSnippetToken = null;
-                }
-            }
-        };
-
-        xhr.send(null);
-    };
-
-    var showError = function(error) {
-        console.warn(error);
-    };
-
-    compileAndRun = function (code) {
-        try {
-
-            if (!BABYLON.Engine.isSupported()) {
-                showError("Your browser does not support WebGL");
-                return;
-            }
-
-            if (engine) {
-                engine.dispose();
-                engine = null;
-            }
-
-            var canvas = document.getElementById("renderCanvas");
-            engine = new BABYLON.Engine(canvas, true, {stencil: true});
-            engine.renderEvenInBackground = false;
-            BABYLON.Camera.ForceAttachControlToAlwaysPreventDefault = true;
-
-            engine.runRenderLoop(function () {
-                if (engine.scenes.length === 0) {
-                    return;
-                }
-
-                if (canvas.width !== canvas.clientWidth) {
-                    engine.resize();
-                }
-
-                var scene = engine.scenes[0];
-
-                if (scene.activeCamera || scene.activeCameras.length > 0) {
-                    scene.render();
-                }
-            });
-
-            var scene;
-            if (code.indexOf("createScene") !== -1) { // createScene
-                eval(code);
-                scene = createScene();
-                if (!scene) {
-                    showError("createScene function must return a scene.");
-                    return;
-                }
-
-                zipCode = code + "\r\n\r\nvar scene = createScene();";
-            } else if (code.indexOf("CreateScene") !== -1) { // CreateScene
-                eval(code);
-                scene = CreateScene();
-                if (!scene) {
-                    showError("CreateScene function must return a scene.");
-                    return;
-                }
-
-                zipCode = code + "\r\n\r\nvar scene = CreateScene();";
-            } else if (code.indexOf("createscene") !== -1) { // createscene
-                eval(code);
-                scene = createscene();
-                if (!scene) {
-                    showError("createscene function must return a scene.");
-                    return;
-                }
-
-                zipCode = code + "\r\n\r\nvar scene = createscene();";
-            } else { // Direct code
-                scene = new BABYLON.Scene(engine);
-                eval("runScript = function(scene, canvas) {" + code + "}");
-                runScript(scene, canvas);
-
-                zipCode = "var scene = new BABYLON.Scene(engine);\r\n\r\n" + code;
-            }
-
-        } catch (e) {
-            // showError(e.message);
-        }
-    };
-    window.addEventListener("resize", function () {
-        if (engine) {
-            engine.resize();
-        }
-    });
-
-    // UI
-
-    var cleanHash = function () {
-        var splits = decodeURIComponent(location.hash.substr(1)).split("#");
-
-        if (splits.length > 2) {
-            splits.splice(2, splits.length - 2);
-        }
-
-        location.hash = splits.join("#");
-    };
-
-    var checkHash = function () {
-        if (location.hash) {
-            cleanHash();
-
-            try {
-                var xmlHttp = new XMLHttpRequest();
-                xmlHttp.onreadystatechange = function () {
-                    if (xmlHttp.readyState === 4) {
-                        if (xmlHttp.status === 200) {
-                            var snippetCode = JSON.parse(JSON.parse(xmlHttp.responseText)[0].jsonPayload).code;
-                            compileAndRun(snippetCode);
-                        }
-                    }
-                };
-
-                var hash = location.hash.substr(1);
-                currentSnippetToken = hash.split("#")[0];
-                if(!hash.split("#")[1]) hash += "#0";
-
-                xmlHttp.open("GET", snippetUrl + "/" + hash.replace("#", "/"));
-                xmlHttp.send();
-            } catch (e) {
-
-            }
-        }
-    };
-
-    checkHash();
-
-})();

Playground/perf.html

@@ -1,77 +0,0 @@
-<!DOCTYPE html>
-<html>
-
-<head>
-    <title>Babylon.js Playground</title>
-    <link rel="shortcut icon" href="https://www.babylonjs.com/img/favicon/favicon.ico">
-	<link rel="apple-touch-icon" sizes="57x57" href="https://www.babylonjs.com/img/favicon/apple-icon-57x57.png">
-	<link rel="apple-touch-icon" sizes="60x60" href="https://www.babylonjs.com/img/favicon/apple-icon-60x60.png">
-	<link rel="apple-touch-icon" sizes="72x72" href="https://www.babylonjs.com/img/favicon/apple-icon-72x72.png">
-	<link rel="apple-touch-icon" sizes="76x76" href="https://www.babylonjs.com/img/favicon/apple-icon-76x76.png">
-	<link rel="apple-touch-icon" sizes="114x114" href="https://www.babylonjs.com/img/favicon/apple-icon-114x114.png">
-	<link rel="apple-touch-icon" sizes="120x120" href="https://www.babylonjs.com/img/favicon/apple-icon-120x120.png">
-	<link rel="apple-touch-icon" sizes="144x144" href="https://www.babylonjs.com/img/favicon/apple-icon-144x144.png">
-	<link rel="apple-touch-icon" sizes="152x152" href="https://www.babylonjs.com/img/favicon/apple-icon-152x152.png">
-	<link rel="apple-touch-icon" sizes="180x180" href="https://www.babylonjs.com/img/favicon/apple-icon-180x180.png">
-	<link rel="icon" type="image/png" sizes="192x192"  href="https://www.babylonjs.com/img/favicon/android-icon-192x192.png">
-	<link rel="icon" type="image/png" sizes="32x32" href="https://www.babylonjs.com/img/favicon/favicon-32x32.png">
-	<link rel="icon" type="image/png" sizes="96x96" href="https://www.babylonjs.com/img/favicon/favicon-96x96.png">
-	<link rel="icon" type="image/png" sizes="16x16" href="https://www.babylonjs.com/img/favicon/favicon-16x16.png">
-	<link rel="manifest" href="https://www.babylonjs.com/img/favicon/manifest.json">
-	<meta name="msapplication-TileColor" content="#ffffff">
-	<meta name="msapplication-TileImage" content="https://www.babylonjs.com/img/favicon/ms-icon-144x144.png">
-	<meta name="msapplication-config" content="https://www.babylonjs.com/img/favicon/browserconfig.xml">
-	<meta name="theme-color" content="#ffffff">
-
-    <script src="https://code.jquery.com/pep/0.4.2/pep.min.js"></script>
-    <!-- Babylon.js -->
-    <script src="https://preview.babylonjs.com/cannon.js"></script>
-    <script src="https://preview.babylonjs.com/Oimo.js"></script>
-    <script src="https://preview.babylonjs.com/babylon.js"></script>    
-    <script src="https://preview.babylonjs.com/inspector/babylon.inspector.bundle.js"></script>
-
-    <script src="https://preview.babylonjs.com/materialsLibrary/babylon.fireMaterial.min.js"></script>
-    <script src="https://preview.babylonjs.com/materialsLibrary/babylon.waterMaterial.min.js"></script>
-    <script src="https://preview.babylonjs.com/materialsLibrary/babylon.lavaMaterial.min.js"></script>
-    <script src="https://preview.babylonjs.com/materialsLibrary/babylon.normalMaterial.min.js"></script>
-    <script src="https://preview.babylonjs.com/materialsLibrary/babylon.skyMaterial.min.js"></script>
-    <script src="https://preview.babylonjs.com/materialsLibrary/babylon.triPlanarMaterial.min.js"></script>
-    <script src="https://preview.babylonjs.com/materialsLibrary/babylon.terrainMaterial.min.js"></script>
-    <script src="https://preview.babylonjs.com/materialsLibrary/babylon.gradientMaterial.min.js"></script>
-    <script src="https://preview.babylonjs.com/materialsLibrary/babylon.furMaterial.min.js"></script>
-    <script src="https://preview.babylonjs.com/materialsLibrary/babylon.gridMaterial.min.js"></script>
-    <script src="https://preview.babylonjs.com/materialsLibrary/babylon.shadowOnlyMaterial.min.js"></script>
-    <script src="https://preview.babylonjs.com/materialsLibrary/babylon.customMaterial.min.js"></script>
-    <script src="https://preview.babylonjs.com/materialsLibrary/babylon.cellMaterial.min.js"></script>
-
-    <script src="https://preview.babylonjs.com/proceduralTexturesLibrary/babylon.brickProceduralTexture.min.js"></script>
-    <script src="https://preview.babylonjs.com/proceduralTexturesLibrary/babylon.cloudProceduralTexture.min.js"></script>
-    <script src="https://preview.babylonjs.com/proceduralTexturesLibrary/babylon.fireProceduralTexture.min.js"></script>
-    <script src="https://preview.babylonjs.com/proceduralTexturesLibrary/babylon.grassProceduralTexture.min.js"></script>
-    <script src="https://preview.babylonjs.com/proceduralTexturesLibrary/babylon.marbleProceduralTexture.min.js"></script>
-    <script src="https://preview.babylonjs.com/proceduralTexturesLibrary/babylon.roadProceduralTexture.min.js"></script>
-    <script src="https://preview.babylonjs.com/proceduralTexturesLibrary/babylon.starfieldProceduralTexture.min.js"></script>
-    <script src="https://preview.babylonjs.com/proceduralTexturesLibrary/babylon.woodProceduralTexture.min.js"></script>
-
-    <script src="https://preview.babylonjs.com/postProcessesLibrary/babylon.asciiArtPostProcess.min.js"></script>
-    <script src="https://preview.babylonjs.com/postProcessesLibrary/babylon.digitalRainPostProcess.min.js"></script>
-
-    <script src="https://preview.babylonjs.com/loaders/babylon.glTFFileLoader.js"></script>
-    <script src="https://preview.babylonjs.com/loaders/babylon.objFileLoader.js"></script>
-    <script src="https://preview.babylonjs.com/loaders/babylon.stlFileLoader.js"></script>
-
-    <script src="https://preview.babylonjs.com/gui/babylon.gui.min.js"></script>
-    
-    <script src="https://rawgit.com/BabylonJS/Extensions/master/ClonerSystem/src/babylonx.cloner.js"></script>    
-    <script src="https://rawgit.com/BabylonJS/Extensions/master/canvas2D/dist/preview%20release/babylon.canvas2d.min.js"></script>
-    <script src="https://rawgit.com/BabylonJS/Extensions/master/CompoundShader/src/babylonx.CompoundShader.js"></script>
-    <link href="frame.css" rel="stylesheet" />
-</head>
-
-<body>
-    <canvas touch-action="none" id="renderCanvas"></canvas>
-    <script src="https://code.jquery.com/jquery.js"></script>
-    <script src="/js/perf.js"></script>
-</body>
-
-</html>

Tools/Gulp/config.json

@@ -27,16 +27,19 @@
         "minimal": ["standardMaterial", "freeCamera", "hemisphericLight"],
         "minimalWithBuilder": ["meshBuilder", "standardMaterial", "freeCamera", "hemisphericLight"],
         "minimalGLTFViewer": [
-                "animations", "arcRotateCamera", "additionalTextures", "textureFormats",
-                "shadows", "pointLight", "directionalLight", "spotLight",
-                "multiMaterial", "pbrMaterial",
-                "meshBuilder", "layer",
-                "additionalPostProcess_blur", "additionalPostProcess_fxaa", "additionalPostProcess_highlights", 
-                "additionalPostProcess_imageProcessing", "colorCurves", "defaultRenderingPipeline", "imageProcessing",
-                "debug", "textureTools", "hdr",
-                "loader",
+                "standardMaterial", "pbrMaterial", "freeCamera", "arcRotateCamera", "hemisphericLight", 
+                "pointLight", "directionalLight", "spotLight", "animations", "actions", "sprites", "picking", "collisions",
+                "particles", "solidParticles", "additionalMeshes", "meshBuilder", "audio", "additionalTextures", "shadows",
+                "loader", "userData", "offline", "fresnel", "multiMaterial", "touchCamera", "procedural", "gamepad",
+                "additionalCameras", "postProcesses", "renderingPipeline", "additionalRenderingPipeline", "defaultRenderingPipeline",
+                "depthRenderer", "geometryBufferRenderer", "additionalPostProcesses",
+                "additionalPostProcess_blur", "additionalPostProcess_fxaa", "additionalPostProcess_imageProcessing",
+                "bones", "hdr", "polygonMesh", "csg", "lensFlares", "physics", "textureFormats", "debug", "morphTargets",
+                "colorCurves", "octrees", "simd", "vr", "virtualJoystick", "optimizations", "highlights", "assetsManager",
+                "mapTexture", "dynamicFloatArray",
+                "imageProcessing", "serialization", "probes", "layer", "textureTools", "cameraBehaviors",
                 "materialsLibrary/babylon.gridMaterial.js",
-                "loaders/babylon.glTFFileLoader.js", "cameraBehaviors", "morphTargets"
+                "loaders/babylon.glTFFileLoader.js"
         ],
         "distributed": ["minimalGLTFViewer"]
     },

src/Behaviors/Cameras/babylon.framingBehavior.ts

@@ -205,12 +205,13 @@ module BABYLON {
 		 * @param radius Optional. If a cached radius position already exists, overrides default.
 		 * @param framingPositionY Position on mesh to center camera focus where 0 corresponds bottom of its bounding box and 1, the top
 		 * @param focusOnOriginXZ Determines if the camera should focus on 0 in the X and Z axis instead of the mesh
+		 * @param onAnimationEnd Callback triggered at the end of the framing animation
 		 */
-		public zoomOnMesh(mesh: AbstractMesh, focusOnOriginXZ: boolean = false): void {
+		public zoomOnMesh(mesh: AbstractMesh, focusOnOriginXZ: boolean = false, onAnimationEnd: () => void = null): void {
 			mesh.computeWorldMatrix(true);
 
 			let boundingBox = mesh.getBoundingInfo().boundingBox;
-			this.zoomOnBoundingInfo(boundingBox.minimumWorld, boundingBox.maximumWorld, focusOnOriginXZ);
+			this.zoomOnBoundingInfo(boundingBox.minimumWorld, boundingBox.maximumWorld, focusOnOriginXZ, onAnimationEnd);
 		}
 
 		/**
@@ -219,8 +220,9 @@ module BABYLON {
 		 * @param radius Optional. If a cached radius position already exists, overrides default.
 		 * @param framingPositionY Position on mesh to center camera focus where 0 corresponds bottom of its bounding box and 1, the top
 		 * @param focusOnOriginXZ Determines if the camera should focus on 0 in the X and Z axis instead of the mesh
+		 * @param onAnimationEnd Callback triggered at the end of the framing animation
 		 */
-		public zoomOnBoundingInfo(minimumWorld: Vector3, maximumWorld: Vector3, focusOnOriginXZ: boolean = false): void {
+		public zoomOnBoundingInfo(minimumWorld: Vector3, maximumWorld: Vector3, focusOnOriginXZ: boolean = false, onAnimationEnd: () => void = null): void {
 			let zoomTarget: BABYLON.Vector3;
 
 			// Find target by interpolating from bottom of bounding box in world-space to top via framingPositionY
@@ -265,8 +267,8 @@ module BABYLON {
 			}
 
 			this._animatables.push(Animation.TransitionTo("radius", radius, this._attachedCamera, this._attachedCamera.getScene(), 
-									60, this._radiusTransition, this._framingTime));															
-		}	
+				60, this._radiusTransition, this._framingTime, onAnimationEnd));
+		}
 		
 		/**
 		 * Calculates the lowest radius for the camera based on the bounding box of the mesh.

src/Cameras/babylon.arcRotateCamera.ts

@@ -365,8 +365,8 @@ module BABYLON {
         /**
          * Restored camera state. You must call storeState() first
          */
-        public restoreState(): boolean {
-            if (!super.restoreState()) {
+        public _restoreStateValues(): boolean {
+            if (!super._restoreStateValues()) {
                 return false;
             }
 
@@ -382,7 +382,7 @@ module BABYLON {
             this.inertialPanningY = 0;
         
             return true;
-        }             
+        }
 
         // Synchronized
         public _isSynchronizedViewMatrix(): boolean {

src/Cameras/babylon.camera.ts

@@ -127,6 +127,7 @@
         public onViewMatrixChangedObservable = new Observable<Camera>();
         public onProjectionMatrixChangedObservable = new Observable<Camera>();
         public onAfterCheckInputsObservable = new Observable<Camera>();
+        public onRestoreStateObservable = new Observable<Camera>();
 
         // Cache
         private _computedViewMatrix = Matrix.Identity();
@@ -168,9 +169,9 @@
         }
 
         /**
-         * Restored camera state. You must call storeState() first
+         * Restores the camera state values if it has been stored. You must call storeState() first
          */
-        public restoreState(): boolean {
+        protected _restoreStateValues(): boolean {
             if (!this._stateStored) {
                 return false;
             }
@@ -180,6 +181,18 @@
             return true;
         }
 
+        /**
+         * Restored camera state. You must call storeState() first
+         */
+        public restoreState(): boolean {
+            if (this._restoreStateValues()) {
+                this.onRestoreStateObservable.notifyObservers(this);
+                return true;
+            }
+
+            return false;
+        }
+
         public getClassName(): string {
             return "Camera";
         }
@@ -577,6 +590,7 @@
             this.onViewMatrixChangedObservable.clear();
             this.onProjectionMatrixChangedObservable.clear();
             this.onAfterCheckInputsObservable.clear();
+            this.onRestoreStateObservable.clear();
 
             // Inputs
             if (this.inputs) {

src/Cameras/babylon.targetCamera.ts

@@ -79,8 +79,8 @@ module BABYLON {
         /**
          * Restored camera state. You must call storeState() first
          */
-        public restoreState(): boolean {
-            if (!super.restoreState()) {
+        public _restoreStateValues(): boolean {
+            if (!super._restoreStateValues()) {
                 return false;
             }
 

src/Tools/babylon.tools.ts

@@ -315,22 +315,24 @@
          * @param func - the function to be called
          * @param requester - the object that will request the next frame. Falls back to window.
          */
-        public static QueueNewFrame(func, requester: any = window): void {
-            //if WebVR is enabled AND presenting, requestAnimationFrame is triggered when enabled.
-            /*if(requester.isPresenting) {
-                return;
-            } else*/ if (requester.requestAnimationFrame)
-                requester.requestAnimationFrame(func);
-            else if (requester.msRequestAnimationFrame)
-                requester.msRequestAnimationFrame(func);
-            else if (requester.webkitRequestAnimationFrame)
-                requester.webkitRequestAnimationFrame(func);
-            else if (requester.mozRequestAnimationFrame)
-                requester.mozRequestAnimationFrame(func);
-            else if (requester.oRequestAnimationFrame)
-                requester.oRequestAnimationFrame(func);
+        public static QueueNewFrame(func, requester: any = window): number {
+            if (requester.requestAnimationFrame) {
+                return requester.requestAnimationFrame(func);
+            }
+            else if (requester.msRequestAnimationFrame) {
+                return requester.msRequestAnimationFrame(func);
+            }
+            else if (requester.webkitRequestAnimationFrame) {
+                return requester.webkitRequestAnimationFrame(func);
+            }
+            else if (requester.mozRequestAnimationFrame) {
+                return requester.mozRequestAnimationFrame(func);
+            }
+            else if (requester.oRequestAnimationFrame) {
+                return requester.oRequestAnimationFrame(func);
+            }
             else {
-                window.setTimeout(func, 16);
+                return window.setTimeout(func, 16);
             }
         }
 

src/babylon.engine.ts

@@ -563,7 +563,6 @@
         private _vrDisplayEnabled;
         private _oldSize: BABYLON.Size;
         private _oldHardwareScaleFactor: number;
-        private _vrAnimationFrameHandler: number;
 
         // Uniform buffers list
         public disableUniformBuffers = false;
@@ -696,6 +695,8 @@
         private _emptyTexture: InternalTexture;
         private _emptyCubeTexture: InternalTexture;
 
+        private _frameHandler: number;
+
         // Hardware supported Compressed Textures
         private _texturesSupported = new Array<string>();
         private _textureFormatInUse: string;
@@ -829,52 +830,52 @@
                 window.addEventListener("focus", this._onFocus);
 
                 canvas.addEventListener("pointerout", this._onCanvasPointerOut);
-            } else {
-                this._gl = <WebGLRenderingContext>canvasOrContext;
-                this._renderingCanvas = this._gl.canvas
 
-                if (this._gl.renderbufferStorageMultisample) {
-                    this._webGLVersion = 2.0;
-                }
+                // Context lost
+                if (!this._doNotHandleContextLost) {
+                    this._onContextLost = (evt: Event) => {
+                        evt.preventDefault();
+                        this._contextWasLost = true;
+                        Tools.Warn("WebGL context lost.");
 
-                options.stencil = this._gl.getContextAttributes().stencil;
-            }
+                        this.onContextLostObservable.notifyObservers(this);
+                    };
 
-            // Context lost
-            if (!this._doNotHandleContextLost) {
-                this._onContextLost = (evt: Event) => {
-                    evt.preventDefault();
-                    this._contextWasLost = true;
-                    Tools.Warn("WebGL context lost.");
+                    this._onContextRestored = (evt: Event) => {
+                        // Rebuild gl context
+                        this._initGLContext();
 
-                    this.onContextLostObservable.notifyObservers(this);
-                };
+                        // Rebuild effects
+                        this._rebuildEffects();
 
-                this._onContextRestored = (evt: Event) => {
-                    // Rebuild gl context
-                    this._initGLContext();
+                        // Rebuild textures
+                        this._rebuildInternalTextures();
 
-                    // Rebuild effects
-                    this._rebuildEffects();
+                        // Rebuild buffers
+                        this._rebuildBuffers();
 
-                    // Rebuild textures
-                    this._rebuildInternalTextures();
+                        // Cache
+                        this.wipeCaches(true);
 
-                    // Rebuild buffers
-                    this._rebuildBuffers();
+                        Tools.Warn("WebGL context successfully restored.");
 
-                    // Cache
-                    this.wipeCaches(true);
+                        this.onContextRestoredObservable.notifyObservers(this);
 
-                    Tools.Warn("WebGL context successfully restored.");
+                        this._contextWasLost = false;
+                    };
 
-                    this.onContextRestoredObservable.notifyObservers(this);
+                    canvas.addEventListener("webglcontextlost", this._onContextLost, false);
+                    canvas.addEventListener("webglcontextrestored", this._onContextRestored, false);
+                }                
+            } else {
+                this._gl = <WebGLRenderingContext>canvasOrContext;
+                this._renderingCanvas = this._gl.canvas
 
-                    this._contextWasLost = false;
-                };
+                if (this._gl.renderbufferStorageMultisample) {
+                    this._webGLVersion = 2.0;
+                }
 
-                canvas.addEventListener("webglcontextlost", this._onContextLost, false);
-                canvas.addEventListener("webglcontextrestored", this._onContextRestored, false);
+                options.stencil = this._gl.getContextAttributes().stencil;
             }
 
             // Viewport
@@ -1373,7 +1374,7 @@
 
             if (this._activeRenderLoops.length > 0) {
                 // Register new frame
-                Tools.QueueNewFrame(this._bindedRenderFunction, this._vrDisplayEnabled);
+                this._frameHandler = Tools.QueueNewFrame(this._bindedRenderFunction, this._vrDisplayEnabled);
             } else {
                 this._renderingQueueLaunched = false;
             }
@@ -1397,7 +1398,7 @@
             if (!this._renderingQueueLaunched) {
                 this._renderingQueueLaunched = true;
                 this._bindedRenderFunction = this._renderLoop.bind(this);
-                Tools.QueueNewFrame(this._bindedRenderFunction);
+                this._frameHandler = Tools.QueueNewFrame(this._bindedRenderFunction);
             }
         }
 
@@ -1620,7 +1621,6 @@
                 this.setSize(leftEye.renderWidth * 2, leftEye.renderHeight);
             } else {
                 //When the specs are implemented, need to uncomment this.
-                //this._vrDisplayEnabled.cancelAnimationFrame(this._vrAnimationFrameHandler);
                 this.setHardwareScalingLevel(this._oldHardwareScaleFactor);
                 this.setSize(this._oldSize.width, this._oldSize.height);
                 this._vrDisplayEnabled = undefined;