Nightly

dist/preview release/babylon.max.js

@@ -13374,7 +13374,6 @@ var BABYLON;
             var len = Math.sqrt(dv.x * dv.x + dv.z * dv.z);
             var pitch = Math.atan2(dv.y, len);
             if (this.rotationQuaternion) {
-                this.rotationQuaternion = this.rotationQuaternion || new BABYLON.Quaternion();
                 BABYLON.Quaternion.RotationYawPitchRollToRef(yaw + yawCor, pitch + pitchCor, rollCor, this.rotationQuaternion);
             }
             else {

dist/preview release/customConfigurations/minimalGLTFViewer/babylon.d.ts

@@ -2047,6 +2047,185 @@ 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;
+        isMP3supported: boolean;
+        isOGGsupported: boolean;
+        readonly audioContext: Nullable<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 _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;
+        private _urlType;
+        /**
+        * 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?: Nullable<() => void>, options?: any);
+        dispose(): void;
+        isReady(): boolean;
+        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(node);
+        clone(): Nullable<Sound>;
+        getAudioBuffer(): AudioBuffer | null;
+        serialize(): any;
+        static Parse(parsedSound: any, scene: Scene, rootUrl: string, sourceSound?: Sound): Sound;
+    }
+}
+
+declare module BABYLON {
+    class SoundTrack {
+        private _outputAudioNode;
+        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;
@@ -2321,185 +2500,6 @@ 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;
-        isMP3supported: boolean;
-        isOGGsupported: boolean;
-        readonly audioContext: Nullable<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 _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;
-        private _urlType;
-        /**
-        * 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?: Nullable<() => void>, options?: any);
-        dispose(): void;
-        isReady(): boolean;
-        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(node);
-        clone(): Nullable<Sound>;
-        getAudioBuffer(): AudioBuffer | null;
-        serialize(): any;
-        static Parse(parsedSound: any, scene: Scene, rootUrl: string, sourceSound?: Sound): Sound;
-    }
-}
-
-declare module BABYLON {
-    class SoundTrack {
-        private _outputAudioNode;
-        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 {
     interface Behavior<T extends Node> {
         name: string;
         init(): void;
@@ -5802,74 +5802,180 @@ declare module BABYLON {
         * An event triggered when the layer is disposed.
         * @type {BABYLON.Observable}
         */
-        onDisposeObservable: Observable<Layer>;
-        private _onDisposeObserver;
-        onDispose: () => void;
+        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: Nullable<string>, scene: Nullable<Scene>, isBackground?: boolean, color?: Color4);
+        private _createIndexBuffer();
+        _rebuild(): void;
+        render(): void;
+        dispose(): void;
+    }
+}
+
+declare module BABYLON {
+    class LensFlare {
+        size: number;
+        position: number;
+        color: Color3;
+        texture: Nullable<Texture>;
+        alphaMode: number;
+        private _system;
+        static AddFlare(size: number, position: number, color: Color3, imgUrl: string, system: LensFlareSystem): LensFlare;
+        constructor(size: number, position: number, color: Color3, imgUrl: string, system: LensFlareSystem);
+        dispose(): void;
+    }
+}
+
+declare module BABYLON {
+    class LensFlareSystem {
+        name: string;
+        lensFlares: LensFlare[];
+        borderLimit: number;
+        viewportBorder: number;
+        meshesSelectionPredicate: (mesh: AbstractMesh) => boolean;
+        layerMask: number;
+        id: string;
+        private _scene;
+        private _emitter;
+        private _vertexBuffers;
+        private _indexBuffer;
+        private _effect;
+        private _positionX;
+        private _positionY;
+        private _isEnabled;
+        constructor(name: string, emitter: any, scene: Scene);
+        isEnabled: boolean;
+        getScene(): Scene;
+        getEmitter(): any;
+        setEmitter(newEmitter: any): void;
+        getEmitterPosition(): Vector3;
+        computeEffectivePosition(globalViewport: Viewport): boolean;
+        _isVisible(): boolean;
+        render(): boolean;
+        dispose(): void;
+        static Parse(parsedLensFlareSystem: any, scene: Scene, rootUrl: string): LensFlareSystem;
+        serialize(): any;
+    }
+}
+
+declare module BABYLON {
+    interface ILoadingScreen {
+        displayLoadingUI: () => void;
+        hideLoadingUI: () => void;
+        loadingUIBackgroundColor: string;
+        loadingUIText: string;
+    }
+    class DefaultLoadingScreen implements ILoadingScreen {
+        private _renderingCanvas;
+        private _loadingText;
+        private _loadingDivBackgroundColor;
+        private _loadingDiv;
+        private _loadingTextDiv;
+        constructor(_renderingCanvas: HTMLCanvasElement, _loadingText?: string, _loadingDivBackgroundColor?: string);
+        displayLoadingUI(): void;
+        hideLoadingUI(): void;
+        loadingUIText: string;
+        loadingUIBackgroundColor: string;
+        private _resizeLoadingUI;
+    }
+}
+
+declare module BABYLON {
+    interface ISceneLoaderPluginExtensions {
+        [extension: string]: {
+            isBinary: boolean;
+        };
+    }
+    interface ISceneLoaderPluginFactory {
+        name: string;
+        createPlugin(): ISceneLoaderPlugin | ISceneLoaderPluginAsync;
+        canDirectLoad?: (data: string) => boolean;
+    }
+    interface ISceneLoaderPlugin {
+        name: string;
+        extensions: string | ISceneLoaderPluginExtensions;
+        importMesh: (meshesNames: any, scene: Scene, data: any, rootUrl: string, meshes: AbstractMesh[], particleSystems: ParticleSystem[], skeletons: Skeleton[], onError?: (message: string, exception?: any) => void) => boolean;
+        load: (scene: Scene, data: string, rootUrl: string, onError?: (message: string, exception?: any) => void) => boolean;
+        canDirectLoad?: (data: string) => boolean;
+        rewriteRootURL?: (rootUrl: string, responseURL?: string) => string;
+    }
+    interface ISceneLoaderPluginAsync {
+        name: string;
+        extensions: string | ISceneLoaderPluginExtensions;
+        importMeshAsync: (meshesNames: any, scene: Scene, data: any, rootUrl: string, onSuccess: (meshes: AbstractMesh[], particleSystems: ParticleSystem[], skeletons: Skeleton[]) => void, onProgress: (event: ProgressEvent) => void, onError: (message: string) => void) => void;
+        loadAsync: (scene: Scene, data: string, rootUrl: string, onSuccess: () => void, onProgress: (event: ProgressEvent) => void, onError: (message: string, exception?: any) => void) => void;
+        canDirectLoad?: (data: string) => boolean;
+        rewriteRootURL?: (rootUrl: string, responseURL?: string) => string;
+    }
+    class SceneLoader {
+        private static _ForceFullSceneLoadingForIncremental;
+        private static _ShowLoadingScreen;
+        private static _CleanBoneMatrixWeights;
+        static readonly NO_LOGGING: number;
+        static readonly MINIMAL_LOGGING: number;
+        static readonly SUMMARY_LOGGING: number;
+        static readonly DETAILED_LOGGING: number;
+        private static _loggingLevel;
+        static ForceFullSceneLoadingForIncremental: boolean;
+        static ShowLoadingScreen: boolean;
+        static loggingLevel: number;
+        static CleanBoneMatrixWeights: boolean;
+        static OnPluginActivatedObservable: Observable<ISceneLoaderPlugin | ISceneLoaderPluginAsync>;
+        private static _registeredPlugins;
+        private static _getDefaultPlugin();
+        private static _getPluginForExtension(extension);
+        private static _getPluginForDirectLoad(data);
+        private static _getPluginForFilename(sceneFilename);
+        private static _getDirectLoad(sceneFilename);
+        private static _loadData(rootUrl, sceneFilename, scene, onSuccess, onProgress, onError, pluginExtension?);
+        static GetPluginForExtension(extension: string): ISceneLoaderPlugin | ISceneLoaderPluginAsync | ISceneLoaderPluginFactory;
+        static RegisterPlugin(plugin: ISceneLoaderPlugin | ISceneLoaderPluginAsync): void;
+        /**
+        * Import meshes into a scene
+        * @param meshNames an array of mesh names, a single mesh name, or empty string for all meshes that filter what meshes are imported
+        * @param rootUrl a string that defines the root url for scene and resources
+        * @param sceneFilename a string that defines the name of the scene file. can start with "data:" following by the stringified version of the scene
+        * @param scene the instance of BABYLON.Scene to append to
+        * @param onSuccess a callback with a list of imported meshes, particleSystems, and skeletons when import succeeds
+        * @param onProgress a callback with a progress event for each file being loaded
+        * @param onError a callback with the scene, a message, and possibly an exception when import fails
+        */
+        static ImportMesh(meshNames: any, rootUrl: string, sceneFilename: string, scene: Scene, onSuccess?: Nullable<(meshes: AbstractMesh[], particleSystems: ParticleSystem[], skeletons: Skeleton[]) => void>, onProgress?: Nullable<(event: ProgressEvent) => void>, onError?: Nullable<(scene: Scene, message: string, exception?: any) => void>, pluginExtension?: string): Nullable<ISceneLoaderPlugin | ISceneLoaderPluginAsync>;
         /**
-        * An event triggered before rendering the scene
-        * @type {BABYLON.Observable}
+        * Load a scene
+        * @param rootUrl a string that defines the root url for scene and resources
+        * @param sceneFilename a string that defines the name of the scene file. can start with "data:" following by the stringified version of the scene
+        * @param engine is the instance of BABYLON.Engine to use to create the scene
+        * @param onSuccess a callback with the scene when import succeeds
+        * @param onProgress a callback with a progress event for each file being loaded
+        * @param onError a callback with the scene, a message, and possibly an exception when import fails
         */
-        onBeforeRenderObservable: Observable<Layer>;
-        private _onBeforeRenderObserver;
-        onBeforeRender: () => void;
+        static Load(rootUrl: string, sceneFilename: any, engine: Engine, onSuccess?: (scene: Scene) => void, onProgress?: (event: ProgressEvent) => void, onError?: (scene: Scene, message: string, exception?: any) => void, pluginExtension?: string): Nullable<ISceneLoaderPlugin | ISceneLoaderPluginAsync>;
         /**
-        * An event triggered after rendering the scene
-        * @type {BABYLON.Observable}
+        * Append a scene
+        * @param rootUrl a string that defines the root url for scene and resources
+        * @param sceneFilename a string that defines the name of the scene file. can start with "data:" following by the stringified version of the scene
+        * @param scene is the instance of BABYLON.Scene to append to
+        * @param onSuccess a callback with the scene when import succeeds
+        * @param onProgress a callback with a progress event for each file being loaded
+        * @param onError a callback with the scene, a message, and possibly an exception when import fails
         */
-        onAfterRenderObservable: Observable<Layer>;
-        private _onAfterRenderObserver;
-        onAfterRender: () => void;
-        constructor(name: string, imgUrl: Nullable<string>, scene: Nullable<Scene>, isBackground?: boolean, color?: Color4);
-        private _createIndexBuffer();
-        _rebuild(): void;
-        render(): void;
-        dispose(): void;
-    }
-}
-
-declare module BABYLON {
-    class LensFlare {
-        size: number;
-        position: number;
-        color: Color3;
-        texture: Nullable<Texture>;
-        alphaMode: number;
-        private _system;
-        static AddFlare(size: number, position: number, color: Color3, imgUrl: string, system: LensFlareSystem): LensFlare;
-        constructor(size: number, position: number, color: Color3, imgUrl: string, system: LensFlareSystem);
-        dispose(): void;
-    }
-}
-
-declare module BABYLON {
-    class LensFlareSystem {
-        name: string;
-        lensFlares: LensFlare[];
-        borderLimit: number;
-        viewportBorder: number;
-        meshesSelectionPredicate: (mesh: AbstractMesh) => boolean;
-        layerMask: number;
-        id: string;
-        private _scene;
-        private _emitter;
-        private _vertexBuffers;
-        private _indexBuffer;
-        private _effect;
-        private _positionX;
-        private _positionY;
-        private _isEnabled;
-        constructor(name: string, emitter: any, scene: Scene);
-        isEnabled: boolean;
-        getScene(): Scene;
-        getEmitter(): any;
-        setEmitter(newEmitter: any): void;
-        getEmitterPosition(): Vector3;
-        computeEffectivePosition(globalViewport: Viewport): boolean;
-        _isVisible(): boolean;
-        render(): boolean;
-        dispose(): void;
-        static Parse(parsedLensFlareSystem: any, scene: Scene, rootUrl: string): LensFlareSystem;
-        serialize(): any;
+        static Append(rootUrl: string, sceneFilename: any, scene: Scene, onSuccess?: (scene: Scene) => void, onProgress?: (event: ProgressEvent) => void, onError?: (scene: Scene, message: string, exception?: any) => void, pluginExtension?: string): Nullable<ISceneLoaderPlugin | ISceneLoaderPluginAsync>;
     }
 }
 
@@ -6407,112 +6513,6 @@ declare module BABYLON {
 }
 
 declare module BABYLON {
-    interface ILoadingScreen {
-        displayLoadingUI: () => void;
-        hideLoadingUI: () => void;
-        loadingUIBackgroundColor: string;
-        loadingUIText: string;
-    }
-    class DefaultLoadingScreen implements ILoadingScreen {
-        private _renderingCanvas;
-        private _loadingText;
-        private _loadingDivBackgroundColor;
-        private _loadingDiv;
-        private _loadingTextDiv;
-        constructor(_renderingCanvas: HTMLCanvasElement, _loadingText?: string, _loadingDivBackgroundColor?: string);
-        displayLoadingUI(): void;
-        hideLoadingUI(): void;
-        loadingUIText: string;
-        loadingUIBackgroundColor: string;
-        private _resizeLoadingUI;
-    }
-}
-
-declare module BABYLON {
-    interface ISceneLoaderPluginExtensions {
-        [extension: string]: {
-            isBinary: boolean;
-        };
-    }
-    interface ISceneLoaderPluginFactory {
-        name: string;
-        createPlugin(): ISceneLoaderPlugin | ISceneLoaderPluginAsync;
-        canDirectLoad?: (data: string) => boolean;
-    }
-    interface ISceneLoaderPlugin {
-        name: string;
-        extensions: string | ISceneLoaderPluginExtensions;
-        importMesh: (meshesNames: any, scene: Scene, data: any, rootUrl: string, meshes: AbstractMesh[], particleSystems: ParticleSystem[], skeletons: Skeleton[], onError?: (message: string, exception?: any) => void) => boolean;
-        load: (scene: Scene, data: string, rootUrl: string, onError?: (message: string, exception?: any) => void) => boolean;
-        canDirectLoad?: (data: string) => boolean;
-        rewriteRootURL?: (rootUrl: string, responseURL?: string) => string;
-    }
-    interface ISceneLoaderPluginAsync {
-        name: string;
-        extensions: string | ISceneLoaderPluginExtensions;
-        importMeshAsync: (meshesNames: any, scene: Scene, data: any, rootUrl: string, onSuccess: (meshes: AbstractMesh[], particleSystems: ParticleSystem[], skeletons: Skeleton[]) => void, onProgress: (event: ProgressEvent) => void, onError: (message: string) => void) => void;
-        loadAsync: (scene: Scene, data: string, rootUrl: string, onSuccess: () => void, onProgress: (event: ProgressEvent) => void, onError: (message: string, exception?: any) => void) => void;
-        canDirectLoad?: (data: string) => boolean;
-        rewriteRootURL?: (rootUrl: string, responseURL?: string) => string;
-    }
-    class SceneLoader {
-        private static _ForceFullSceneLoadingForIncremental;
-        private static _ShowLoadingScreen;
-        private static _CleanBoneMatrixWeights;
-        static readonly NO_LOGGING: number;
-        static readonly MINIMAL_LOGGING: number;
-        static readonly SUMMARY_LOGGING: number;
-        static readonly DETAILED_LOGGING: number;
-        private static _loggingLevel;
-        static ForceFullSceneLoadingForIncremental: boolean;
-        static ShowLoadingScreen: boolean;
-        static loggingLevel: number;
-        static CleanBoneMatrixWeights: boolean;
-        static OnPluginActivatedObservable: Observable<ISceneLoaderPlugin | ISceneLoaderPluginAsync>;
-        private static _registeredPlugins;
-        private static _getDefaultPlugin();
-        private static _getPluginForExtension(extension);
-        private static _getPluginForDirectLoad(data);
-        private static _getPluginForFilename(sceneFilename);
-        private static _getDirectLoad(sceneFilename);
-        private static _loadData(rootUrl, sceneFilename, scene, onSuccess, onProgress, onError, pluginExtension?);
-        static GetPluginForExtension(extension: string): ISceneLoaderPlugin | ISceneLoaderPluginAsync | ISceneLoaderPluginFactory;
-        static RegisterPlugin(plugin: ISceneLoaderPlugin | ISceneLoaderPluginAsync): void;
-        /**
-        * Import meshes into a scene
-        * @param meshNames an array of mesh names, a single mesh name, or empty string for all meshes that filter what meshes are imported
-        * @param rootUrl a string that defines the root url for scene and resources
-        * @param sceneFilename a string that defines the name of the scene file. can start with "data:" following by the stringified version of the scene
-        * @param scene the instance of BABYLON.Scene to append to
-        * @param onSuccess a callback with a list of imported meshes, particleSystems, and skeletons when import succeeds
-        * @param onProgress a callback with a progress event for each file being loaded
-        * @param onError a callback with the scene, a message, and possibly an exception when import fails
-        */
-        static ImportMesh(meshNames: any, rootUrl: string, sceneFilename: string, scene: Scene, onSuccess?: Nullable<(meshes: AbstractMesh[], particleSystems: ParticleSystem[], skeletons: Skeleton[]) => void>, onProgress?: Nullable<(event: ProgressEvent) => void>, onError?: Nullable<(scene: Scene, message: string, exception?: any) => void>, pluginExtension?: string): Nullable<ISceneLoaderPlugin | ISceneLoaderPluginAsync>;
-        /**
-        * Load a scene
-        * @param rootUrl a string that defines the root url for scene and resources
-        * @param sceneFilename a string that defines the name of the scene file. can start with "data:" following by the stringified version of the scene
-        * @param engine is the instance of BABYLON.Engine to use to create the scene
-        * @param onSuccess a callback with the scene when import succeeds
-        * @param onProgress a callback with a progress event for each file being loaded
-        * @param onError a callback with the scene, a message, and possibly an exception when import fails
-        */
-        static Load(rootUrl: string, sceneFilename: any, engine: Engine, onSuccess?: (scene: Scene) => void, onProgress?: (event: ProgressEvent) => void, onError?: (scene: Scene, message: string, exception?: any) => void, pluginExtension?: string): Nullable<ISceneLoaderPlugin | ISceneLoaderPluginAsync>;
-        /**
-        * Append a scene
-        * @param rootUrl a string that defines the root url for scene and resources
-        * @param sceneFilename a string that defines the name of the scene file. can start with "data:" following by the stringified version of the scene
-        * @param scene is the instance of BABYLON.Scene to append to
-        * @param onSuccess a callback with the scene when import succeeds
-        * @param onProgress a callback with a progress event for each file being loaded
-        * @param onError a callback with the scene, a message, and possibly an exception when import fails
-        */
-        static Append(rootUrl: string, sceneFilename: any, scene: Scene, onSuccess?: (scene: Scene) => void, onProgress?: (event: ProgressEvent) => void, onError?: (scene: Scene, message: string, exception?: any) => void, pluginExtension?: string): Nullable<ISceneLoaderPlugin | ISceneLoaderPluginAsync>;
-    }
-}
-
-declare module BABYLON {
     /**
      * The color grading curves provide additional color adjustmnent that is applied after any color grading transform (3D LUT).
      * They allow basic adjustment of saturation and small exposure adjustments, along with color filter tinting to provide white balance adjustment or more stylistic effects.
@@ -14925,6 +14925,36 @@ 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);
+        samples: number;
+        refreshRate: number;
+        getScene(): Scene;
+        readonly cubeTexture: RenderTargetTexture;
+        readonly renderList: Nullable<AbstractMesh[]>;
+        attachToMesh(mesh: AbstractMesh): void;
+        /**
+         * Specifies whether or not the stencil and depth buffer are cleared between two rendering groups.
+         *
+         * @param renderingGroupId The rendering group id corresponding to its index
+         * @param autoClearDepthStencil Automatically clears depth and stencil between groups if true.
+         */
+        setRenderingAutoClearDepthStencil(renderingGroupId: number, autoClearDepthStencil: boolean): 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);
@@ -15452,36 +15482,6 @@ 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);
-        samples: number;
-        refreshRate: number;
-        getScene(): Scene;
-        readonly cubeTexture: RenderTargetTexture;
-        readonly renderList: Nullable<AbstractMesh[]>;
-        attachToMesh(mesh: AbstractMesh): void;
-        /**
-         * Specifies whether or not the stencil and depth buffer are cleared between two rendering groups.
-         *
-         * @param renderingGroupId The rendering group id corresponding to its index
-         * @param autoClearDepthStencil Automatically clears depth and stencil between groups if true.
-         */
-        setRenderingAutoClearDepthStencil(renderingGroupId: number, autoClearDepthStencil: boolean): void;
-        dispose(): void;
-    }
-}
-
-declare module BABYLON {
     class BoundingBoxRenderer {
         frontColor: Color3;
         backColor: Color3;
@@ -18017,6 +18017,9 @@ declare module BABYLON {
     }
 }
 
+declare module BABYLON.Internals {
+}
+
 declare module BABYLON {
     /**
      * Interface to implement to create a shadow generator compatible with BJS.
@@ -18197,9 +18200,6 @@ declare module BABYLON {
     }
 }
 
-declare module BABYLON.Internals {
-}
-
 declare namespace BABYLON {
     /**
      * Background material used to create an efficient environement around your scene.

dist/preview release/customConfigurations/minimalGLTFViewer/babylon.max.js

@@ -13374,7 +13374,6 @@ var BABYLON;
             var len = Math.sqrt(dv.x * dv.x + dv.z * dv.z);
             var pitch = Math.atan2(dv.y, len);
             if (this.rotationQuaternion) {
-                this.rotationQuaternion = this.rotationQuaternion || new BABYLON.Quaternion();
                 BABYLON.Quaternion.RotationYawPitchRollToRef(yaw + yawCor, pitch + pitchCor, rollCor, this.rotationQuaternion);
             }
             else {
@@ -82379,6 +82378,9 @@ var BABYLON;
             };
             GLTFLoader.prototype._loadSkin = function (context, skin) {
                 var _this = this;
+                if (skin.babylonSkeleton) {
+                    return skin.babylonSkeleton;
+                }
                 var skeletonId = "skeleton" + skin.index;
                 skin.babylonSkeleton = new BABYLON.Skeleton(skin.name || skeletonId, skeletonId, this._babylonScene);
                 if (skin.inverseBindMatrices == null) {
@@ -82586,9 +82588,19 @@ var BABYLON;
                         }
                     }
                     ;
-                    var keys = new Array(inputData.length);
-                    for (var frameIndex = 0; frameIndex < inputData.length; frameIndex++) {
-                        keys[frameIndex] = getNextKey(frameIndex);
+                    var keys;
+                    if (inputData.length === 1) {
+                        var key = getNextKey(0);
+                        keys = [
+                            { frame: key.frame, value: key.value },
+                            { frame: key.frame + 1, value: key.value }
+                        ];
+                    }
+                    else {
+                        keys = new Array(inputData.length);
+                        for (var frameIndex = 0; frameIndex < inputData.length; frameIndex++) {
+                            keys[frameIndex] = getNextKey(frameIndex);
+                        }
                     }
                     if (targetPath === "influence") {
                         var morphTargetManager = targetNode.babylonMesh.morphTargetManager;

dist/preview release/loaders/babylon.glTF2FileLoader.js

@@ -999,6 +999,9 @@ var BABYLON;
             };
             GLTFLoader.prototype._loadSkin = function (context, skin) {
                 var _this = this;
+                if (skin.babylonSkeleton) {
+                    return skin.babylonSkeleton;
+                }
                 var skeletonId = "skeleton" + skin.index;
                 skin.babylonSkeleton = new BABYLON.Skeleton(skin.name || skeletonId, skeletonId, this._babylonScene);
                 if (skin.inverseBindMatrices == null) {
@@ -1206,9 +1209,19 @@ var BABYLON;
                         }
                     }
                     ;
-                    var keys = new Array(inputData.length);
-                    for (var frameIndex = 0; frameIndex < inputData.length; frameIndex++) {
-                        keys[frameIndex] = getNextKey(frameIndex);
+                    var keys;
+                    if (inputData.length === 1) {
+                        var key = getNextKey(0);
+                        keys = [
+                            { frame: key.frame, value: key.value },
+                            { frame: key.frame + 1, value: key.value }
+                        ];
+                    }
+                    else {
+                        keys = new Array(inputData.length);
+                        for (var frameIndex = 0; frameIndex < inputData.length; frameIndex++) {
+                            keys[frameIndex] = getNextKey(frameIndex);
+                        }
                     }
                     if (targetPath === "influence") {
                         var morphTargetManager = targetNode.babylonMesh.morphTargetManager;

dist/preview release/loaders/babylon.glTFFileLoader.js

@@ -3144,6 +3144,9 @@ var BABYLON;
             };
             GLTFLoader.prototype._loadSkin = function (context, skin) {
                 var _this = this;
+                if (skin.babylonSkeleton) {
+                    return skin.babylonSkeleton;
+                }
                 var skeletonId = "skeleton" + skin.index;
                 skin.babylonSkeleton = new BABYLON.Skeleton(skin.name || skeletonId, skeletonId, this._babylonScene);
                 if (skin.inverseBindMatrices == null) {
@@ -3351,9 +3354,19 @@ var BABYLON;
                         }
                     }
                     ;
-                    var keys = new Array(inputData.length);
-                    for (var frameIndex = 0; frameIndex < inputData.length; frameIndex++) {
-                        keys[frameIndex] = getNextKey(frameIndex);
+                    var keys;
+                    if (inputData.length === 1) {
+                        var key = getNextKey(0);
+                        keys = [
+                            { frame: key.frame, value: key.value },
+                            { frame: key.frame + 1, value: key.value }
+                        ];
+                    }
+                    else {
+                        keys = new Array(inputData.length);
+                        for (var frameIndex = 0; frameIndex < inputData.length; frameIndex++) {
+                            keys[frameIndex] = getNextKey(frameIndex);
+                        }
                     }
                     if (targetPath === "influence") {
                         var morphTargetManager = targetNode.babylonMesh.morphTargetManager;

dist/preview release/loaders/babylonjs.loaders.js

@@ -4100,6 +4100,9 @@ var BABYLON;
             };
             GLTFLoader.prototype._loadSkin = function (context, skin) {
                 var _this = this;
+                if (skin.babylonSkeleton) {
+                    return skin.babylonSkeleton;
+                }
                 var skeletonId = "skeleton" + skin.index;
                 skin.babylonSkeleton = new BABYLON.Skeleton(skin.name || skeletonId, skeletonId, this._babylonScene);
                 if (skin.inverseBindMatrices == null) {
@@ -4307,9 +4310,19 @@ var BABYLON;
                         }
                     }
                     ;
-                    var keys = new Array(inputData.length);
-                    for (var frameIndex = 0; frameIndex < inputData.length; frameIndex++) {
-                        keys[frameIndex] = getNextKey(frameIndex);
+                    var keys;
+                    if (inputData.length === 1) {
+                        var key = getNextKey(0);
+                        keys = [
+                            { frame: key.frame, value: key.value },
+                            { frame: key.frame + 1, value: key.value }
+                        ];
+                    }
+                    else {
+                        keys = new Array(inputData.length);
+                        for (var frameIndex = 0; frameIndex < inputData.length; frameIndex++) {
+                            keys[frameIndex] = getNextKey(frameIndex);
+                        }
                     }
                     if (targetPath === "influence") {
                         var morphTargetManager = targetNode.babylonMesh.morphTargetManager;