Nightly

dist/preview release/babylon.d.ts

@@ -1534,184 +1534,6 @@ declare module BABYLON {
 }
 
 declare module BABYLON {
-    class Analyser {
-        SMOOTHING: number;
-        FFT_SIZE: number;
-        BARGRAPHAMPLITUDE: number;
-        DEBUGCANVASPOS: {
-            x: number;
-            y: number;
-        };
-        DEBUGCANVASSIZE: {
-            width: number;
-            height: number;
-        };
-        private _byteFreqs;
-        private _byteTime;
-        private _floatFreqs;
-        private _webAudioAnalyser;
-        private _debugCanvas;
-        private _debugCanvasContext;
-        private _scene;
-        private _registerFunc;
-        private _audioEngine;
-        constructor(scene: Scene);
-        getFrequencyBinCount(): number;
-        getByteFrequencyData(): Uint8Array;
-        getByteTimeDomainData(): Uint8Array;
-        getFloatFrequencyData(): Uint8Array;
-        drawDebugCanvas(): void;
-        stopDebugCanvas(): void;
-        connectAudioNodes(inputAudioNode: AudioNode, outputAudioNode: AudioNode): void;
-        dispose(): void;
-    }
-}
-
-declare module BABYLON {
-    class AudioEngine {
-        private _audioContext;
-        private _audioContextInitialized;
-        canUseWebAudio: boolean;
-        masterGain: GainNode;
-        private _connectedAnalyser;
-        WarnedWebAudioUnsupported: boolean;
-        unlocked: boolean;
-        onAudioUnlocked: () => any;
-        audioContext: AudioContext;
-        constructor();
-        private _unlockiOSaudio();
-        private _initializeAudioContext();
-        dispose(): void;
-        getGlobalVolume(): number;
-        setGlobalVolume(newVolume: number): void;
-        connectToAnalyser(analyser: Analyser): void;
-    }
-}
-
-declare module BABYLON {
-    class Sound {
-        name: string;
-        autoplay: boolean;
-        loop: boolean;
-        useCustomAttenuation: boolean;
-        soundTrackId: number;
-        spatialSound: boolean;
-        refDistance: number;
-        rolloffFactor: number;
-        maxDistance: number;
-        distanceModel: string;
-        private _panningModel;
-        onended: () => any;
-        private _playbackRate;
-        private _streaming;
-        private _startTime;
-        private _startOffset;
-        private _position;
-        private _localDirection;
-        private _volume;
-        private _isLoaded;
-        private _isReadyToPlay;
-        isPlaying: boolean;
-        isPaused: boolean;
-        private _isDirectional;
-        private _readyToPlayCallback;
-        private _audioBuffer;
-        private _soundSource;
-        private _streamingSource;
-        private _soundPanner;
-        private _soundGain;
-        private _inputAudioNode;
-        private _ouputAudioNode;
-        private _coneInnerAngle;
-        private _coneOuterAngle;
-        private _coneOuterGain;
-        private _scene;
-        private _connectedMesh;
-        private _customAttenuationFunction;
-        private _registerFunc;
-        private _isOutputConnected;
-        private _htmlAudioElement;
-        /**
-        * Create a sound and attach it to a scene
-        * @param name Name of your sound
-        * @param urlOrArrayBuffer Url to the sound to load async or ArrayBuffer
-        * @param readyToPlayCallback Provide a callback function if you'd like to load your code once the sound is ready to be played
-        * @param options Objects to provide with the current available options: autoplay, loop, volume, spatialSound, maxDistance, rolloffFactor, refDistance, distanceModel, panningModel, streaming
-        */
-        constructor(name: string, urlOrArrayBuffer: any, scene: Scene, readyToPlayCallback?: () => void, options?: any);
-        dispose(): void;
-        private _soundLoaded(audioData);
-        setAudioBuffer(audioBuffer: AudioBuffer): void;
-        updateOptions(options: any): void;
-        private _createSpatialParameters();
-        private _updateSpatialParameters();
-        switchPanningModelToHRTF(): void;
-        switchPanningModelToEqualPower(): void;
-        private _switchPanningModel();
-        connectToSoundTrackAudioNode(soundTrackAudioNode: AudioNode): void;
-        /**
-        * Transform this sound into a directional source
-        * @param coneInnerAngle Size of the inner cone in degree
-        * @param coneOuterAngle Size of the outer cone in degree
-        * @param coneOuterGain Volume of the sound outside the outer cone (between 0.0 and 1.0)
-        */
-        setDirectionalCone(coneInnerAngle: number, coneOuterAngle: number, coneOuterGain: number): void;
-        setPosition(newPosition: Vector3): void;
-        setLocalDirectionToMesh(newLocalDirection: Vector3): void;
-        private _updateDirection();
-        updateDistanceFromListener(): void;
-        setAttenuationFunction(callback: (currentVolume: number, currentDistance: number, maxDistance: number, refDistance: number, rolloffFactor: number) => number): void;
-        /**
-        * Play the sound
-        * @param time (optional) Start the sound after X seconds. Start immediately (0) by default.
-        * @param offset (optional) Start the sound setting it at a specific time
-        */
-        play(time?: number, offset?: number): void;
-        private _onended();
-        /**
-        * Stop the sound
-        * @param time (optional) Stop the sound after X seconds. Stop immediately (0) by default.
-        */
-        stop(time?: number): void;
-        pause(): void;
-        setVolume(newVolume: number, time?: number): void;
-        setPlaybackRate(newPlaybackRate: number): void;
-        getVolume(): number;
-        attachToMesh(meshToConnectTo: AbstractMesh): void;
-        detachFromMesh(): void;
-        private _onRegisterAfterWorldMatrixUpdate(connectedMesh);
-        clone(): Sound;
-        getAudioBuffer(): AudioBuffer;
-        serialize(): any;
-        static Parse(parsedSound: any, scene: Scene, rootUrl: string, sourceSound?: Sound): Sound;
-    }
-}
-
-declare module BABYLON {
-    class SoundTrack {
-        private _outputAudioNode;
-        private _inputAudioNode;
-        private _trackConvolver;
-        private _scene;
-        id: number;
-        soundCollection: Array<Sound>;
-        private _isMainTrack;
-        private _connectedAnalyser;
-        private _options;
-        private _isInitialized;
-        constructor(scene: Scene, options?: any);
-        private _initializeSoundTrackAudioGraph();
-        dispose(): void;
-        AddSound(sound: Sound): void;
-        RemoveSound(sound: Sound): void;
-        setVolume(newVolume: number): void;
-        switchPanningModelToHRTF(): void;
-        switchPanningModelToEqualPower(): void;
-        connectToAnalyser(analyser: Analyser): void;
-    }
-}
-
-declare module BABYLON {
     class Animatable {
         target: any;
         fromFrame: number;
@@ -1939,6 +1761,184 @@ declare module BABYLON {
 }
 
 declare module BABYLON {
+    class Analyser {
+        SMOOTHING: number;
+        FFT_SIZE: number;
+        BARGRAPHAMPLITUDE: number;
+        DEBUGCANVASPOS: {
+            x: number;
+            y: number;
+        };
+        DEBUGCANVASSIZE: {
+            width: number;
+            height: number;
+        };
+        private _byteFreqs;
+        private _byteTime;
+        private _floatFreqs;
+        private _webAudioAnalyser;
+        private _debugCanvas;
+        private _debugCanvasContext;
+        private _scene;
+        private _registerFunc;
+        private _audioEngine;
+        constructor(scene: Scene);
+        getFrequencyBinCount(): number;
+        getByteFrequencyData(): Uint8Array;
+        getByteTimeDomainData(): Uint8Array;
+        getFloatFrequencyData(): Uint8Array;
+        drawDebugCanvas(): void;
+        stopDebugCanvas(): void;
+        connectAudioNodes(inputAudioNode: AudioNode, outputAudioNode: AudioNode): void;
+        dispose(): void;
+    }
+}
+
+declare module BABYLON {
+    class AudioEngine {
+        private _audioContext;
+        private _audioContextInitialized;
+        canUseWebAudio: boolean;
+        masterGain: GainNode;
+        private _connectedAnalyser;
+        WarnedWebAudioUnsupported: boolean;
+        unlocked: boolean;
+        onAudioUnlocked: () => any;
+        audioContext: AudioContext;
+        constructor();
+        private _unlockiOSaudio();
+        private _initializeAudioContext();
+        dispose(): void;
+        getGlobalVolume(): number;
+        setGlobalVolume(newVolume: number): void;
+        connectToAnalyser(analyser: Analyser): void;
+    }
+}
+
+declare module BABYLON {
+    class Sound {
+        name: string;
+        autoplay: boolean;
+        loop: boolean;
+        useCustomAttenuation: boolean;
+        soundTrackId: number;
+        spatialSound: boolean;
+        refDistance: number;
+        rolloffFactor: number;
+        maxDistance: number;
+        distanceModel: string;
+        private _panningModel;
+        onended: () => any;
+        private _playbackRate;
+        private _streaming;
+        private _startTime;
+        private _startOffset;
+        private _position;
+        private _localDirection;
+        private _volume;
+        private _isLoaded;
+        private _isReadyToPlay;
+        isPlaying: boolean;
+        isPaused: boolean;
+        private _isDirectional;
+        private _readyToPlayCallback;
+        private _audioBuffer;
+        private _soundSource;
+        private _streamingSource;
+        private _soundPanner;
+        private _soundGain;
+        private _inputAudioNode;
+        private _ouputAudioNode;
+        private _coneInnerAngle;
+        private _coneOuterAngle;
+        private _coneOuterGain;
+        private _scene;
+        private _connectedMesh;
+        private _customAttenuationFunction;
+        private _registerFunc;
+        private _isOutputConnected;
+        private _htmlAudioElement;
+        /**
+        * Create a sound and attach it to a scene
+        * @param name Name of your sound
+        * @param urlOrArrayBuffer Url to the sound to load async or ArrayBuffer
+        * @param readyToPlayCallback Provide a callback function if you'd like to load your code once the sound is ready to be played
+        * @param options Objects to provide with the current available options: autoplay, loop, volume, spatialSound, maxDistance, rolloffFactor, refDistance, distanceModel, panningModel, streaming
+        */
+        constructor(name: string, urlOrArrayBuffer: any, scene: Scene, readyToPlayCallback?: () => void, options?: any);
+        dispose(): void;
+        private _soundLoaded(audioData);
+        setAudioBuffer(audioBuffer: AudioBuffer): void;
+        updateOptions(options: any): void;
+        private _createSpatialParameters();
+        private _updateSpatialParameters();
+        switchPanningModelToHRTF(): void;
+        switchPanningModelToEqualPower(): void;
+        private _switchPanningModel();
+        connectToSoundTrackAudioNode(soundTrackAudioNode: AudioNode): void;
+        /**
+        * Transform this sound into a directional source
+        * @param coneInnerAngle Size of the inner cone in degree
+        * @param coneOuterAngle Size of the outer cone in degree
+        * @param coneOuterGain Volume of the sound outside the outer cone (between 0.0 and 1.0)
+        */
+        setDirectionalCone(coneInnerAngle: number, coneOuterAngle: number, coneOuterGain: number): void;
+        setPosition(newPosition: Vector3): void;
+        setLocalDirectionToMesh(newLocalDirection: Vector3): void;
+        private _updateDirection();
+        updateDistanceFromListener(): void;
+        setAttenuationFunction(callback: (currentVolume: number, currentDistance: number, maxDistance: number, refDistance: number, rolloffFactor: number) => number): void;
+        /**
+        * Play the sound
+        * @param time (optional) Start the sound after X seconds. Start immediately (0) by default.
+        * @param offset (optional) Start the sound setting it at a specific time
+        */
+        play(time?: number, offset?: number): void;
+        private _onended();
+        /**
+        * Stop the sound
+        * @param time (optional) Stop the sound after X seconds. Stop immediately (0) by default.
+        */
+        stop(time?: number): void;
+        pause(): void;
+        setVolume(newVolume: number, time?: number): void;
+        setPlaybackRate(newPlaybackRate: number): void;
+        getVolume(): number;
+        attachToMesh(meshToConnectTo: AbstractMesh): void;
+        detachFromMesh(): void;
+        private _onRegisterAfterWorldMatrixUpdate(connectedMesh);
+        clone(): Sound;
+        getAudioBuffer(): AudioBuffer;
+        serialize(): any;
+        static Parse(parsedSound: any, scene: Scene, rootUrl: string, sourceSound?: Sound): Sound;
+    }
+}
+
+declare module BABYLON {
+    class SoundTrack {
+        private _outputAudioNode;
+        private _inputAudioNode;
+        private _trackConvolver;
+        private _scene;
+        id: number;
+        soundCollection: Array<Sound>;
+        private _isMainTrack;
+        private _connectedAnalyser;
+        private _options;
+        private _isInitialized;
+        constructor(scene: Scene, options?: any);
+        private _initializeSoundTrackAudioGraph();
+        dispose(): void;
+        AddSound(sound: Sound): void;
+        RemoveSound(sound: Sound): void;
+        setVolume(newVolume: number): void;
+        switchPanningModelToHRTF(): void;
+        switchPanningModelToEqualPower(): void;
+        connectToAnalyser(analyser: Analyser): void;
+    }
+}
+
+declare module BABYLON {
     class Bone extends Node {
         name: string;
         children: Bone[];
@@ -5731,48 +5731,6 @@ declare module BABYLON.Debug {
 }
 
 declare module BABYLON {
-    class Layer {
-        name: string;
-        texture: Texture;
-        isBackground: boolean;
-        color: Color4;
-        scale: Vector2;
-        offset: Vector2;
-        alphaBlendingMode: number;
-        alphaTest: boolean;
-        private _scene;
-        private _vertexBuffers;
-        private _indexBuffer;
-        private _effect;
-        private _alphaTestEffect;
-        /**
-        * An event triggered when the layer is disposed.
-        * @type {BABYLON.Observable}
-        */
-        onDisposeObservable: Observable<Layer>;
-        private _onDisposeObserver;
-        onDispose: () => void;
-        /**
-        * An event triggered before rendering the scene
-        * @type {BABYLON.Observable}
-        */
-        onBeforeRenderObservable: Observable<Layer>;
-        private _onBeforeRenderObserver;
-        onBeforeRender: () => void;
-        /**
-        * An event triggered after rendering the scene
-        * @type {BABYLON.Observable}
-        */
-        onAfterRenderObservable: Observable<Layer>;
-        private _onAfterRenderObserver;
-        onAfterRender: () => void;
-        constructor(name: string, imgUrl: string, scene: Scene, isBackground?: boolean, color?: Color4);
-        render(): void;
-        dispose(): void;
-    }
-}
-
-declare module BABYLON {
     class LensFlare {
         size: number;
         position: number;
@@ -5817,6 +5775,48 @@ declare module BABYLON {
 }
 
 declare module BABYLON {
+    class Layer {
+        name: string;
+        texture: Texture;
+        isBackground: boolean;
+        color: Color4;
+        scale: Vector2;
+        offset: Vector2;
+        alphaBlendingMode: number;
+        alphaTest: boolean;
+        private _scene;
+        private _vertexBuffers;
+        private _indexBuffer;
+        private _effect;
+        private _alphaTestEffect;
+        /**
+        * An event triggered when the layer is disposed.
+        * @type {BABYLON.Observable}
+        */
+        onDisposeObservable: Observable<Layer>;
+        private _onDisposeObserver;
+        onDispose: () => void;
+        /**
+        * An event triggered before rendering the scene
+        * @type {BABYLON.Observable}
+        */
+        onBeforeRenderObservable: Observable<Layer>;
+        private _onBeforeRenderObserver;
+        onBeforeRender: () => void;
+        /**
+        * An event triggered after rendering the scene
+        * @type {BABYLON.Observable}
+        */
+        onAfterRenderObservable: Observable<Layer>;
+        private _onAfterRenderObserver;
+        onAfterRender: () => void;
+        constructor(name: string, imgUrl: string, scene: Scene, isBackground?: boolean, color?: Color4);
+        render(): void;
+        dispose(): void;
+    }
+}
+
+declare module BABYLON {
     class DirectionalLight extends Light implements IShadowLight {
         position: Vector3;
         direction: Vector3;
@@ -10720,6 +10720,28 @@ declare module BABYLON {
 }
 
 declare module BABYLON {
+    class ReflectionProbe {
+        name: string;
+        private _scene;
+        private _renderTargetTexture;
+        private _projectionMatrix;
+        private _viewMatrix;
+        private _target;
+        private _add;
+        private _attachedMesh;
+        invertYAxis: boolean;
+        position: Vector3;
+        constructor(name: string, size: number, scene: Scene, generateMipMaps?: boolean);
+        refreshRate: number;
+        getScene(): Scene;
+        cubeTexture: RenderTargetTexture;
+        renderList: AbstractMesh[];
+        attachToMesh(mesh: AbstractMesh): void;
+        dispose(): void;
+    }
+}
+
+declare module BABYLON {
     class AnaglyphPostProcess extends PostProcess {
         private _passedProcess;
         constructor(name: string, options: number | PostProcessOptions, rigCameras: Camera[], samplingMode?: number, engine?: Engine, reusable?: boolean);
@@ -11336,28 +11358,6 @@ declare module BABYLON {
 }
 
 declare module BABYLON {
-    class ReflectionProbe {
-        name: string;
-        private _scene;
-        private _renderTargetTexture;
-        private _projectionMatrix;
-        private _viewMatrix;
-        private _target;
-        private _add;
-        private _attachedMesh;
-        invertYAxis: boolean;
-        position: Vector3;
-        constructor(name: string, size: number, scene: Scene, generateMipMaps?: boolean);
-        refreshRate: number;
-        getScene(): Scene;
-        cubeTexture: RenderTargetTexture;
-        renderList: AbstractMesh[];
-        attachToMesh(mesh: AbstractMesh): void;
-        dispose(): void;
-    }
-}
-
-declare module BABYLON {
     class BoundingBoxRenderer {
         frontColor: Color3;
         backColor: Color3;
@@ -12644,60 +12644,6 @@ declare module BABYLON {
 }
 
 declare module BABYLON {
-    class VRCameraMetrics {
-        hResolution: number;
-        vResolution: number;
-        hScreenSize: number;
-        vScreenSize: number;
-        vScreenCenter: number;
-        eyeToScreenDistance: number;
-        lensSeparationDistance: number;
-        interpupillaryDistance: number;
-        distortionK: number[];
-        chromaAbCorrection: number[];
-        postProcessScaleFactor: number;
-        lensCenterOffset: number;
-        compensateDistortion: boolean;
-        aspectRatio: number;
-        aspectRatioFov: number;
-        leftHMatrix: Matrix;
-        rightHMatrix: Matrix;
-        leftPreViewMatrix: Matrix;
-        rightPreViewMatrix: Matrix;
-        static GetDefault(): VRCameraMetrics;
-    }
-}
-
-declare module BABYLON {
-    class VRDeviceOrientationFreeCamera extends DeviceOrientationCamera {
-        constructor(name: string, position: Vector3, scene: Scene, compensateDistortion?: boolean, vrCameraMetrics?: VRCameraMetrics);
-        getTypeName(): string;
-    }
-    class VRDeviceOrientationArcRotateCamera extends ArcRotateCamera {
-        constructor(name: string, alpha: number, beta: number, radius: number, target: Vector3, scene: Scene, compensateDistortion?: boolean);
-        getTypeName(): string;
-    }
-}
-
-declare var HMDVRDevice: any;
-declare var PositionSensorVRDevice: any;
-declare module BABYLON {
-    class WebVRFreeCamera extends FreeCamera {
-        _hmdDevice: any;
-        _sensorDevice: any;
-        private _cacheState;
-        _vrEnabled: boolean;
-        constructor(name: string, position: Vector3, scene: Scene, compensateDistortion?: boolean, vrCameraMetrics?: VRCameraMetrics);
-        private _getWebVRDevices(devices);
-        _checkInputs(): void;
-        attachControl(element: HTMLElement, noPreventDefault?: boolean): void;
-        detachControl(element: HTMLElement): void;
-        requestVRFullscreen(requestPointerlock: boolean): void;
-        getTypeName(): string;
-    }
-}
-
-declare module BABYLON {
     class ArcRotateCameraGamepadInput implements ICameraInput<ArcRotateCamera> {
         camera: ArcRotateCamera;
         gamepad: Gamepad;
@@ -12901,6 +12847,63 @@ declare module BABYLON {
 }
 
 declare module BABYLON {
+    class VRCameraMetrics {
+        hResolution: number;
+        vResolution: number;
+        hScreenSize: number;
+        vScreenSize: number;
+        vScreenCenter: number;
+        eyeToScreenDistance: number;
+        lensSeparationDistance: number;
+        interpupillaryDistance: number;
+        distortionK: number[];
+        chromaAbCorrection: number[];
+        postProcessScaleFactor: number;
+        lensCenterOffset: number;
+        compensateDistortion: boolean;
+        aspectRatio: number;
+        aspectRatioFov: number;
+        leftHMatrix: Matrix;
+        rightHMatrix: Matrix;
+        leftPreViewMatrix: Matrix;
+        rightPreViewMatrix: Matrix;
+        static GetDefault(): VRCameraMetrics;
+    }
+}
+
+declare module BABYLON {
+    class VRDeviceOrientationFreeCamera extends DeviceOrientationCamera {
+        constructor(name: string, position: Vector3, scene: Scene, compensateDistortion?: boolean, vrCameraMetrics?: VRCameraMetrics);
+        getTypeName(): string;
+    }
+    class VRDeviceOrientationArcRotateCamera extends ArcRotateCamera {
+        constructor(name: string, alpha: number, beta: number, radius: number, target: Vector3, scene: Scene, compensateDistortion?: boolean);
+        getTypeName(): string;
+    }
+}
+
+declare var HMDVRDevice: any;
+declare var PositionSensorVRDevice: any;
+declare module BABYLON {
+    class WebVRFreeCamera extends FreeCamera {
+        _hmdDevice: any;
+        _sensorDevice: any;
+        private _cacheState;
+        _vrEnabled: boolean;
+        private _initialQuaternion;
+        private _quaternionCache;
+        constructor(name: string, position: Vector3, scene: Scene, compensateDistortion?: boolean, vrCameraMetrics?: VRCameraMetrics);
+        private _getWebVRDevices(devices);
+        _checkInputs(): void;
+        attachControl(element: HTMLElement, noPreventDefault?: boolean): void;
+        detachControl(element: HTMLElement): void;
+        requestVRFullscreen(requestPointerlock: boolean): void;
+        getTypeName(): string;
+        resetToCurrentRotation(axis?: BABYLON.Axis): void;
+    }
+}
+
+declare module BABYLON {
     interface IOctreeContainer<T> {
         blocks: Array<OctreeBlock<T>>;
     }

dist/preview release/babylon.max.js

@@ -43160,10 +43160,10 @@ var BABYLON;
                             p._prepareRender(context);
                         }
                     });
-                    // Everything is updated, clear the dirty list
-                    this._renderableData._primDirtyList.forEach(function (p) { return p._resetPropertiesDirty(); });
-                    this._renderableData._primDirtyList.splice(0);
                 }
+                // Everything is updated, clear the dirty list
+                this._renderableData._primDirtyList.forEach(function (p) { return p._resetPropertiesDirty(); });
+                this._renderableData._primDirtyList.splice(0);
             }
             // A renderable group has a list of direct children that are also renderable groups, we recurse on them to also prepare them
             this._renderableData._childrenRenderableGroups.forEach(function (g) {
@@ -52410,6 +52410,7 @@ var BABYLON;
             this.setCameraRigMode(BABYLON.Camera.RIG_MODE_VR, { vrCameraMetrics: vrCameraMetrics });
             this._getWebVRDevices = this._getWebVRDevices.bind(this);
             this.rotationQuaternion = new BABYLON.Quaternion();
+            this._quaternionCache = new BABYLON.Quaternion();
         }
         WebVRFreeCamera.prototype._getWebVRDevices = function (devices) {
             var size = devices.length;
@@ -52440,6 +52441,10 @@ var BABYLON;
                 //Flip in XY plane
                 this.rotationQuaternion.z *= -1;
                 this.rotationQuaternion.w *= -1;
+                if (this._initialQuaternion) {
+                    this._quaternionCache.copyFrom(this.rotationQuaternion);
+                    this._initialQuaternion.multiplyToRef(this.rotationQuaternion, this.rotationQuaternion);
+                }
             }
             _super.prototype._checkInputs.call(this);
         };
@@ -52465,6 +52470,26 @@ var BABYLON;
         WebVRFreeCamera.prototype.getTypeName = function () {
             return "WebVRFreeCamera";
         };
+        WebVRFreeCamera.prototype.resetToCurrentRotation = function (axis) {
+            var _this = this;
+            if (axis === void 0) { axis = BABYLON.Axis.Y; }
+            //can only work if this camera has a rotation quaternion already.
+            if (!this.rotationQuaternion)
+                return;
+            if (!this._initialQuaternion) {
+                this._initialQuaternion = new BABYLON.Quaternion();
+            }
+            this._initialQuaternion.copyFrom(this._quaternionCache || this.rotationQuaternion);
+            ['x', 'y', 'z'].forEach(function (axisName) {
+                if (!axis[axisName]) {
+                    _this._initialQuaternion[axisName] = 0;
+                }
+                else {
+                    _this._initialQuaternion[axisName] *= -1;
+                }
+            });
+            this._initialQuaternion.normalize();
+        };
         return WebVRFreeCamera;
     }(BABYLON.FreeCamera));
     BABYLON.WebVRFreeCamera = WebVRFreeCamera;

src/Cameras/VR/babylon.webVRCamera.js

@@ -19,6 +19,7 @@ var BABYLON;
             this.setCameraRigMode(BABYLON.Camera.RIG_MODE_VR, { vrCameraMetrics: vrCameraMetrics });
             this._getWebVRDevices = this._getWebVRDevices.bind(this);
             this.rotationQuaternion = new BABYLON.Quaternion();
+            this._quaternionCache = new BABYLON.Quaternion();
         }
         WebVRFreeCamera.prototype._getWebVRDevices = function (devices) {
             var size = devices.length;
@@ -49,6 +50,10 @@ var BABYLON;
                 //Flip in XY plane
                 this.rotationQuaternion.z *= -1;
                 this.rotationQuaternion.w *= -1;
+                if (this._initialQuaternion) {
+                    this._quaternionCache.copyFrom(this.rotationQuaternion);
+                    this._initialQuaternion.multiplyToRef(this.rotationQuaternion, this.rotationQuaternion);
+                }
             }
             _super.prototype._checkInputs.call(this);
         };
@@ -74,6 +79,26 @@ var BABYLON;
         WebVRFreeCamera.prototype.getTypeName = function () {
             return "WebVRFreeCamera";
         };
+        WebVRFreeCamera.prototype.resetToCurrentRotation = function (axis) {
+            var _this = this;
+            if (axis === void 0) { axis = BABYLON.Axis.Y; }
+            //can only work if this camera has a rotation quaternion already.
+            if (!this.rotationQuaternion)
+                return;
+            if (!this._initialQuaternion) {
+                this._initialQuaternion = new BABYLON.Quaternion();
+            }
+            this._initialQuaternion.copyFrom(this._quaternionCache || this.rotationQuaternion);
+            ['x', 'y', 'z'].forEach(function (axisName) {
+                if (!axis[axisName]) {
+                    _this._initialQuaternion[axisName] = 0;
+                }
+                else {
+                    _this._initialQuaternion[axisName] *= -1;
+                }
+            });
+            this._initialQuaternion.normalize();
+        };
         return WebVRFreeCamera;
     }(BABYLON.FreeCamera));
     BABYLON.WebVRFreeCamera = WebVRFreeCamera;

src/Canvas2d/babylon.group2d.js

@@ -341,10 +341,10 @@ var BABYLON;
                             p._prepareRender(context);
                         }
                     });
-                    // Everything is updated, clear the dirty list
-                    this._renderableData._primDirtyList.forEach(function (p) { return p._resetPropertiesDirty(); });
-                    this._renderableData._primDirtyList.splice(0);
                 }
+                // Everything is updated, clear the dirty list
+                this._renderableData._primDirtyList.forEach(function (p) { return p._resetPropertiesDirty(); });
+                this._renderableData._primDirtyList.splice(0);
             }
             // A renderable group has a list of direct children that are also renderable groups, we recurse on them to also prepare them
             this._renderableData._childrenRenderableGroups.forEach(function (g) {