strictNullChecks aka "What a good idea" step 4

Tools/Gulp/config.json

@@ -67,8 +67,6 @@
             "optimizations",
             "highlights",
             "assetsManager",
-            "mapTexture",
-            "dynamicFloatArray",
             "serialization",
             "probes",
             "layer",
@@ -143,8 +141,6 @@
             "optimizations",
             "highlights",
             "assetsManager",
-            "mapTexture",
-            "dynamicFloatArray",
             "serialization",
             "probes",
             "layer",
@@ -924,7 +920,6 @@
                 "additionalMeshes",
                 "standardMaterial",
                 "stringDictionary",
-                "dynamicFloatArray",
                 "actions"
             ],
             "shaders": [
@@ -1030,23 +1025,6 @@
                 "core"
             ]
         },
-        "mapTexture": {
-            "files": [
-                "../../src/Materials/Textures/babylon.mapTexture.js",
-                "../../src/Tools/babylon.rectPackingMap.js"
-            ],
-            "dependUpon": [
-                "core"
-            ]
-        },
-        "dynamicFloatArray": {
-            "files": [
-                "../../src/Tools/babylon.dynamicFloatArray.js"
-            ],
-            "dependUpon": [
-                "core"
-            ]
-        },
         "serialization": {
             "files": [
                 "../../src/Tools/babylon.sceneSerializer.js"

dist/preview release/gui/babylon.gui.js

@@ -22,7 +22,7 @@ var BABYLON;
 (function (BABYLON) {
     var GUI;
     (function (GUI) {
-        var AdvancedDynamicTexture = /** @class */ (function (_super) {
+        var AdvancedDynamicTexture = (function (_super) {
             __extends(AdvancedDynamicTexture, _super);
             function AdvancedDynamicTexture(name, width, height, scene, generateMipMaps, samplingMode) {
                 if (width === void 0) { width = 0; }
@@ -430,7 +430,7 @@ var BABYLON;
 (function (BABYLON) {
     var GUI;
     (function (GUI) {
-        var Measure = /** @class */ (function () {
+        var Measure = (function () {
             function Measure(left, top, width, height) {
                 this.left = left;
                 this.top = top;
@@ -475,7 +475,7 @@ var BABYLON;
 (function (BABYLON) {
     var GUI;
     (function (GUI) {
-        var Vector2WithInfo = /** @class */ (function (_super) {
+        var Vector2WithInfo = (function (_super) {
             __extends(Vector2WithInfo, _super);
             function Vector2WithInfo(source, buttonIndex) {
                 if (buttonIndex === void 0) { buttonIndex = 0; }
@@ -486,7 +486,7 @@ var BABYLON;
             return Vector2WithInfo;
         }(BABYLON.Vector2));
         GUI.Vector2WithInfo = Vector2WithInfo;
-        var Matrix2D = /** @class */ (function () {
+        var Matrix2D = (function () {
             function Matrix2D(m00, m01, m10, m11, m20, m21) {
                 this.m = new Float32Array(6);
                 this.fromValues(m00, m01, m10, m11, m20, m21);
@@ -607,7 +607,7 @@ var BABYLON;
 (function (BABYLON) {
     var GUI;
     (function (GUI) {
-        var ValueAndUnit = /** @class */ (function () {
+        var ValueAndUnit = (function () {
             function ValueAndUnit(value, unit, negativeValueAllowed) {
                 if (unit === void 0) { unit = ValueAndUnit.UNITMODE_PIXEL; }
                 if (negativeValueAllowed === void 0) { negativeValueAllowed = true; }
@@ -725,7 +725,7 @@ var BABYLON;
 (function (BABYLON) {
     var GUI;
     (function (GUI) {
-        var Control = /** @class */ (function () {
+        var Control = (function () {
             // Functions
             function Control(name) {
                 this.name = name;
@@ -1771,7 +1771,7 @@ var BABYLON;
 (function (BABYLON) {
     var GUI;
     (function (GUI) {
-        var Container = /** @class */ (function (_super) {
+        var Container = (function (_super) {
             __extends(Container, _super);
             function Container(name) {
                 var _this = _super.call(this, name) || this;
@@ -1950,7 +1950,7 @@ var BABYLON;
 (function (BABYLON) {
     var GUI;
     (function (GUI) {
-        var StackPanel = /** @class */ (function (_super) {
+        var StackPanel = (function (_super) {
             __extends(StackPanel, _super);
             function StackPanel(name) {
                 var _this = _super.call(this, name) || this;
@@ -2092,7 +2092,7 @@ var BABYLON;
 (function (BABYLON) {
     var GUI;
     (function (GUI) {
-        var Rectangle = /** @class */ (function (_super) {
+        var Rectangle = (function (_super) {
             __extends(Rectangle, _super);
             function Rectangle(name) {
                 var _this = _super.call(this, name) || this;
@@ -2208,7 +2208,7 @@ var BABYLON;
 (function (BABYLON) {
     var GUI;
     (function (GUI) {
-        var Ellipse = /** @class */ (function (_super) {
+        var Ellipse = (function (_super) {
             __extends(Ellipse, _super);
             function Ellipse(name) {
                 var _this = _super.call(this, name) || this;
@@ -2274,7 +2274,7 @@ var BABYLON;
 (function (BABYLON) {
     var GUI;
     (function (GUI) {
-        var Line = /** @class */ (function (_super) {
+        var Line = (function (_super) {
             __extends(Line, _super);
             function Line(name) {
                 var _this = _super.call(this, name) || this;
@@ -2474,7 +2474,7 @@ var BABYLON;
 (function (BABYLON) {
     var GUI;
     (function (GUI) {
-        var Slider = /** @class */ (function (_super) {
+        var Slider = (function (_super) {
             __extends(Slider, _super);
             function Slider(name) {
                 var _this = _super.call(this, name) || this;
@@ -2684,7 +2684,7 @@ var BABYLON;
 (function (BABYLON) {
     var GUI;
     (function (GUI) {
-        var Checkbox = /** @class */ (function (_super) {
+        var Checkbox = (function (_super) {
             __extends(Checkbox, _super);
             function Checkbox(name) {
                 var _this = _super.call(this, name) || this;
@@ -2800,7 +2800,7 @@ var BABYLON;
 (function (BABYLON) {
     var GUI;
     (function (GUI) {
-        var RadioButton = /** @class */ (function (_super) {
+        var RadioButton = (function (_super) {
             __extends(RadioButton, _super);
             function RadioButton(name) {
                 var _this = _super.call(this, name) || this;
@@ -2937,7 +2937,7 @@ var BABYLON;
 (function (BABYLON) {
     var GUI;
     (function (GUI) {
-        var TextBlock = /** @class */ (function (_super) {
+        var TextBlock = (function (_super) {
             __extends(TextBlock, _super);
             function TextBlock(name, text) {
                 if (text === void 0) { text = ""; }
@@ -3146,7 +3146,7 @@ var BABYLON;
 (function (BABYLON) {
     var GUI;
     (function (GUI) {
-        var Image = /** @class */ (function (_super) {
+        var Image = (function (_super) {
             __extends(Image, _super);
             function Image(name, url) {
                 var _this = _super.call(this, name) || this;
@@ -3388,7 +3388,7 @@ var BABYLON;
 (function (BABYLON) {
     var GUI;
     (function (GUI) {
-        var Button = /** @class */ (function (_super) {
+        var Button = (function (_super) {
             __extends(Button, _super);
             function Button(name) {
                 var _this = _super.call(this, name) || this;
@@ -3517,7 +3517,7 @@ var BABYLON;
 (function (BABYLON) {
     var GUI;
     (function (GUI) {
-        var ColorPicker = /** @class */ (function (_super) {
+        var ColorPicker = (function (_super) {
             __extends(ColorPicker, _super);
             function ColorPicker(name) {
                 var _this = _super.call(this, name) || this;
@@ -3863,7 +3863,7 @@ var BABYLON;
 (function (BABYLON) {
     var GUI;
     (function (GUI) {
-        var InputText = /** @class */ (function (_super) {
+        var InputText = (function (_super) {
             __extends(InputText, _super);
             function InputText(name, text) {
                 if (text === void 0) { text = ""; }
@@ -4112,12 +4112,12 @@ var BABYLON;
                         return;
                 }
                 // Printable characters
-                if ((keyCode === -1) || // Direct access
-                    (keyCode === 32) || // Space
-                    (keyCode > 47 && keyCode < 58) || // Numbers
-                    (keyCode > 64 && keyCode < 91) || // Letters
-                    (keyCode > 185 && keyCode < 193) || // Special characters
-                    (keyCode > 218 && keyCode < 223) || // Special characters
+                if ((keyCode === -1) ||
+                    (keyCode === 32) ||
+                    (keyCode > 47 && keyCode < 58) ||
+                    (keyCode > 64 && keyCode < 91) ||
+                    (keyCode > 185 && keyCode < 193) ||
+                    (keyCode > 218 && keyCode < 223) ||
                     (keyCode > 95 && keyCode < 112)) {
                     if (this._cursorOffset === 0) {
                         this.text += key;
@@ -4276,13 +4276,13 @@ var BABYLON;
 (function (BABYLON) {
     var GUI;
     (function (GUI) {
-        var KeyPropertySet = /** @class */ (function () {
+        var KeyPropertySet = (function () {
             function KeyPropertySet() {
             }
             return KeyPropertySet;
         }());
         GUI.KeyPropertySet = KeyPropertySet;
-        var VirtualKeyboard = /** @class */ (function (_super) {
+        var VirtualKeyboard = (function (_super) {
             __extends(VirtualKeyboard, _super);
             function VirtualKeyboard() {
                 var _this = _super !== null && _super.apply(this, arguments) || this;

dist/preview release/inspector/babylon.inspector.d.ts

@@ -139,9 +139,6 @@ declare module INSPECTOR {
             properties: string[];
             format: (tex: BABYLON.Texture) => string;
         };
-        'MapTexture': {
-            type: typeof BABYLON.MapTexture;
-        };
         'RenderTargetTexture': {
             type: typeof BABYLON.RenderTargetTexture;
         };

dist/preview release/inspector/babylon.inspector.js

@@ -1,6 +1,6 @@
 var INSPECTOR;
 (function (INSPECTOR) {
-    var Inspector = /** @class */ (function () {
+    var Inspector = (function () {
         /** The inspector is created with the given engine.
          * If the parameter 'popup' is false, the inspector is created as a right panel on the main window.
          * If the parameter 'popup' is true, the inspector is created in another popup.
@@ -406,9 +406,6 @@ var INSPECTOR;
             ],
             format: function (tex) { return tex.name; }
         },
-        'MapTexture': {
-            type: BABYLON.MapTexture
-        },
         'RenderTargetTexture': {
             type: BABYLON.RenderTargetTexture
         },
@@ -783,7 +780,7 @@ var INSPECTOR;
      * Represents a html div element.
      * The div is built when an instance of BasicElement is created.
      */
-    var BasicElement = /** @class */ (function () {
+    var BasicElement = (function () {
         function BasicElement() {
             this._div = INSPECTOR.Helpers.CreateDiv();
         }
@@ -810,7 +807,7 @@ var INSPECTOR;
 
 var INSPECTOR;
 (function (INSPECTOR) {
-    var Adapter = /** @class */ (function () {
+    var Adapter = (function () {
         function Adapter(obj) {
             this._obj = obj;
         }
@@ -865,7 +862,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var CameraAdapter = /** @class */ (function (_super) {
+    var CameraAdapter = (function (_super) {
         __extends(CameraAdapter, _super);
         function CameraAdapter(obj) {
             return _super.call(this, obj) || this;
@@ -914,7 +911,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var PhysicsImpostorAdapter = /** @class */ (function (_super) {
+    var PhysicsImpostorAdapter = (function (_super) {
         __extends(PhysicsImpostorAdapter, _super);
         function PhysicsImpostorAdapter(obj, viewer) {
             var _this = _super.call(this, obj) || this;
@@ -975,7 +972,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var GUIAdapter = /** @class */ (function (_super) {
+    var GUIAdapter = (function (_super) {
         __extends(GUIAdapter, _super);
         function GUIAdapter(obj) {
             return _super.call(this, obj) || this;
@@ -1026,7 +1023,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var SoundAdapter = /** @class */ (function (_super) {
+    var SoundAdapter = (function (_super) {
         __extends(SoundAdapter, _super);
         function SoundAdapter(obj) {
             return _super.call(this, obj) || this;
@@ -1082,7 +1079,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var TextureAdapter = /** @class */ (function (_super) {
+    var TextureAdapter = (function (_super) {
         __extends(TextureAdapter, _super);
         function TextureAdapter(obj) {
             return _super.call(this, obj) || this;
@@ -1128,7 +1125,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var LightAdapter = /** @class */ (function (_super) {
+    var LightAdapter = (function (_super) {
         __extends(LightAdapter, _super);
         function LightAdapter(obj) {
             return _super.call(this, obj) || this;
@@ -1179,7 +1176,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var MaterialAdapter = /** @class */ (function (_super) {
+    var MaterialAdapter = (function (_super) {
         __extends(MaterialAdapter, _super);
         function MaterialAdapter(obj) {
             return _super.call(this, obj) || this;
@@ -1223,7 +1220,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var MeshAdapter = /** @class */ (function (_super) {
+    var MeshAdapter = (function (_super) {
         __extends(MeshAdapter, _super);
         function MeshAdapter(obj) {
             return _super.call(this, obj) || this;
@@ -1313,7 +1310,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var DetailPanel = /** @class */ (function (_super) {
+    var DetailPanel = (function (_super) {
         __extends(DetailPanel, _super);
         function DetailPanel(dr) {
             var _this = _super.call(this) || this;
@@ -1461,7 +1458,7 @@ var INSPECTOR;
     /**
      * A property is a link between a data (string) and an object.
      */
-    var Property = /** @class */ (function () {
+    var Property = (function () {
         function Property(prop, obj) {
             this._property = prop;
             this._obj = obj;
@@ -1509,7 +1506,7 @@ var INSPECTOR;
 
 var INSPECTOR;
 (function (INSPECTOR) {
-    var PropertyFormatter = /** @class */ (function () {
+    var PropertyFormatter = (function () {
         function PropertyFormatter() {
         }
         /**
@@ -1536,7 +1533,7 @@ var INSPECTOR;
      * If this instance has no link to other instances, its type is ALWAYS a simple one (see above).
      *
      */
-    var PropertyLine = /** @class */ (function () {
+    var PropertyLine = (function () {
         function PropertyLine(prop, parent, level) {
             if (level === void 0) { level = 0; }
             // If the type is complex, this property will have child to update
@@ -1975,7 +1972,7 @@ var INSPECTOR;
     /**
     * Display a very small div corresponding to the given color
     */
-    var ColorElement = /** @class */ (function (_super) {
+    var ColorElement = (function (_super) {
         __extends(ColorElement, _super);
         // The color as hexadecimal string
         function ColorElement(color) {
@@ -2025,7 +2022,7 @@ var INSPECTOR;
      * Represents a html div element.
      * The div is built when an instance of BasicElement is created.
      */
-    var ColorPickerElement = /** @class */ (function (_super) {
+    var ColorPickerElement = (function (_super) {
         __extends(ColorPickerElement, _super);
         function ColorPickerElement(color, propertyLine) {
             var _this = _super.call(this) || this;
@@ -2095,7 +2092,7 @@ var INSPECTOR;
     * Display a very small div. A new canvas is created, with a new Babylon.js scene, containing only the
     * cube texture in a cube
     */
-    var CubeTextureElement = /** @class */ (function (_super) {
+    var CubeTextureElement = (function (_super) {
         __extends(CubeTextureElement, _super);
         /** The texture given as a parameter should be cube. */
         function CubeTextureElement(tex) {
@@ -2210,7 +2207,7 @@ var INSPECTOR;
     * Display a very small div. A new canvas is created, with a new Babylon.js scene, containing only the
     * cube texture in a cube
     */
-    var HDRCubeTextureElement = /** @class */ (function (_super) {
+    var HDRCubeTextureElement = (function (_super) {
         __extends(HDRCubeTextureElement, _super);
         /** The texture given as a parameter should be cube. */
         function HDRCubeTextureElement(tex) {
@@ -2254,7 +2251,7 @@ var INSPECTOR;
      * A search bar can be used to filter elements in the tree panel.
      * At each keypress on the input, the treepanel will be filtered.
      */
-    var SearchBar = /** @class */ (function (_super) {
+    var SearchBar = (function (_super) {
         __extends(SearchBar, _super);
         function SearchBar(tab) {
             var _this = _super.call(this) || this;
@@ -2300,7 +2297,7 @@ var INSPECTOR;
     /**
     * Display a very small div corresponding to the given texture. On mouse over, display the full image
     */
-    var TextureElement = /** @class */ (function (_super) {
+    var TextureElement = (function (_super) {
         __extends(TextureElement, _super);
         function TextureElement(tex) {
             var _this = _super.call(this) || this;
@@ -2336,7 +2333,7 @@ var INSPECTOR;
     /**
      * Creates a tooltip for the parent of the given html element
      */
-    var Tooltip = /** @class */ (function () {
+    var Tooltip = (function () {
         function Tooltip(elem, tip, attachTo) {
             var _this = this;
             this._elem = elem;
@@ -2357,7 +2354,7 @@ var INSPECTOR;
 
 var INSPECTOR;
 (function (INSPECTOR) {
-    var Helpers = /** @class */ (function () {
+    var Helpers = (function () {
         function Helpers() {
         }
         /**
@@ -2544,7 +2541,7 @@ var INSPECTOR;
 
 var INSPECTOR;
 (function (INSPECTOR) {
-    var Scheduler = /** @class */ (function () {
+    var Scheduler = (function () {
         function Scheduler() {
             /** Is this scheduler in pause ? */
             this.pause = false;
@@ -2597,7 +2594,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var Tab = /** @class */ (function (_super) {
+    var Tab = (function (_super) {
         __extends(Tab, _super);
         function Tab(tabbar, name) {
             var _this = _super.call(this) || this;
@@ -2676,7 +2673,7 @@ var INSPECTOR;
      * in which properties will be displayed.
      * Both panels are separated by a resize bar
      */
-    var PropertyTab = /** @class */ (function (_super) {
+    var PropertyTab = (function (_super) {
         __extends(PropertyTab, _super);
         function PropertyTab(tabbar, name, insp) {
             var _this = _super.call(this, tabbar, name) || this;
@@ -2820,7 +2817,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var CameraTab = /** @class */ (function (_super) {
+    var CameraTab = (function (_super) {
         __extends(CameraTab, _super);
         function CameraTab(tabbar, inspector) {
             return _super.call(this, tabbar, 'Camera', inspector) || this;
@@ -2853,7 +2850,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var GUITab = /** @class */ (function (_super) {
+    var GUITab = (function (_super) {
         __extends(GUITab, _super);
         function GUITab(tabbar, inspector) {
             return _super.call(this, tabbar, 'GUI', inspector) || this;
@@ -2908,7 +2905,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var PhysicsTab = /** @class */ (function (_super) {
+    var PhysicsTab = (function (_super) {
         __extends(PhysicsTab, _super);
         function PhysicsTab(tabbar, inspector) {
             return _super.call(this, tabbar, 'Physics', inspector) || this;
@@ -2948,7 +2945,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var SoundTab = /** @class */ (function (_super) {
+    var SoundTab = (function (_super) {
         __extends(SoundTab, _super);
         function SoundTab(tabbar, inspector) {
             return _super.call(this, tabbar, 'Audio', inspector) || this;
@@ -2985,7 +2982,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var TextureTab = /** @class */ (function (_super) {
+    var TextureTab = (function (_super) {
         __extends(TextureTab, _super);
         function TextureTab(tabbar, inspector) {
             var _this = _super.call(this, tabbar, 'Textures') || this;
@@ -3054,13 +3051,7 @@ var INSPECTOR;
             for (var i = 0; i < 5; i++) {
                 imgs.push(INSPECTOR.Helpers.CreateElement('img', 'texture-image', this._imagePanel));
             }
-            if (texture instanceof BABYLON.MapTexture) {
-                // instance of Map texture
-                texture.bindTextureForPosSize(new BABYLON.Vector2(0, 0), new BABYLON.Size(texture.getSize().width, texture.getSize().height), false);
-                BABYLON.Tools.DumpFramebuffer(texture.getSize().width, texture.getSize().height, this._inspector.scene.getEngine(), function (data) { return img.src = data; });
-                texture.unbindTexture();
-            }
-            else if (texture instanceof BABYLON.RenderTargetTexture) {
+            if (texture instanceof BABYLON.RenderTargetTexture) {
                 // RenderTarget textures
                 var scene = this._inspector.scene;
                 var engine_1 = scene.getEngine();
@@ -3160,7 +3151,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var LightTab = /** @class */ (function (_super) {
+    var LightTab = (function (_super) {
         __extends(LightTab, _super);
         function LightTab(tabbar, inspector) {
             return _super.call(this, tabbar, 'Light', inspector) || this;
@@ -3193,7 +3184,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var MaterialTab = /** @class */ (function (_super) {
+    var MaterialTab = (function (_super) {
         __extends(MaterialTab, _super);
         function MaterialTab(tabbar, inspector) {
             return _super.call(this, tabbar, 'Material', inspector) || this;
@@ -3227,7 +3218,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var MeshTab = /** @class */ (function (_super) {
+    var MeshTab = (function (_super) {
         __extends(MeshTab, _super);
         function MeshTab(tabbar, inspector) {
             return _super.call(this, tabbar, 'Mesh', inspector) || this;
@@ -3299,7 +3290,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var SceneTab = /** @class */ (function (_super) {
+    var SceneTab = (function (_super) {
         __extends(SceneTab, _super);
         function SceneTab(tabbar, insp) {
             var _this = _super.call(this, tabbar, 'Scene') || this;
@@ -3486,7 +3477,7 @@ var INSPECTOR;
      * - hook all console.log call and display them in this panel (and in the browser console as well)
      * - display all Babylon logs (called with Tools.Log...)
      */
-    var ConsoleTab = /** @class */ (function (_super) {
+    var ConsoleTab = (function (_super) {
         __extends(ConsoleTab, _super);
         function ConsoleTab(tabbar, insp) {
             var _this = _super.call(this, tabbar, 'Console') || this;
@@ -3620,7 +3611,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var StatsTab = /** @class */ (function (_super) {
+    var StatsTab = (function (_super) {
         __extends(StatsTab, _super);
         function StatsTab(tabbar, insp) {
             var _this = _super.call(this, tabbar, 'Stats') || this;
@@ -3909,7 +3900,7 @@ var INSPECTOR;
      * A tab bar will contains each view the inspector can have : Canvas2D, Meshes...
      * The default active tab is the first one of the list.
      */
-    var TabBar = /** @class */ (function (_super) {
+    var TabBar = (function (_super) {
         __extends(TabBar, _super);
         function TabBar(inspector, initialTab) {
             var _this = _super.call(this) || this;
@@ -4103,7 +4094,7 @@ var INSPECTOR;
 
 var INSPECTOR;
 (function (INSPECTOR) {
-    var AbstractTool = /** @class */ (function () {
+    var AbstractTool = (function () {
         function AbstractTool(icon, parent, inspector, tooltip) {
             var _this = this;
             this._inspector = inspector;
@@ -4150,7 +4141,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var PauseScheduleTool = /** @class */ (function (_super) {
+    var PauseScheduleTool = (function (_super) {
         __extends(PauseScheduleTool, _super);
         function PauseScheduleTool(parent, inspector) {
             var _this = _super.call(this, 'fa-pause', parent, inspector, 'Pause the automatic update of properties') || this;
@@ -4186,7 +4177,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var PickTool = /** @class */ (function (_super) {
+    var PickTool = (function (_super) {
         __extends(PickTool, _super);
         function PickTool(parent, inspector) {
             var _this = _super.call(this, 'fa-mouse-pointer', parent, inspector, 'Select a mesh in the scene') || this;
@@ -4247,7 +4238,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var PopupTool = /** @class */ (function (_super) {
+    var PopupTool = (function (_super) {
         __extends(PopupTool, _super);
         function PopupTool(parent, inspector) {
             return _super.call(this, 'fa-external-link', parent, inspector, 'Open the inspector in a popup') || this;
@@ -4273,7 +4264,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var RefreshTool = /** @class */ (function (_super) {
+    var RefreshTool = (function (_super) {
         __extends(RefreshTool, _super);
         function RefreshTool(parent, inspector) {
             return _super.call(this, 'fa-refresh', parent, inspector, 'Refresh the current tab') || this;
@@ -4299,7 +4290,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var LabelTool = /** @class */ (function (_super) {
+    var LabelTool = (function (_super) {
         __extends(LabelTool, _super);
         function LabelTool(parent, inspector) {
             var _this = _super.call(this, 'fa-tags', parent, inspector, 'Display mesh names on the canvas') || this;
@@ -4416,7 +4407,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var Toolbar = /** @class */ (function (_super) {
+    var Toolbar = (function (_super) {
         __extends(Toolbar, _super);
         function Toolbar(inspector) {
             var _this = _super.call(this) || this;
@@ -4482,7 +4473,7 @@ var INSPECTOR;
     /**
      * Removes the inspector panel
      */
-    var DisposeTool = /** @class */ (function (_super) {
+    var DisposeTool = (function (_super) {
         __extends(DisposeTool, _super);
         function DisposeTool(parent, inspector) {
             return _super.call(this, 'fa-times', parent, inspector, 'Close the inspector panel') || this;
@@ -4508,7 +4499,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var TreeItem = /** @class */ (function (_super) {
+    var TreeItem = (function (_super) {
         __extends(TreeItem, _super);
         function TreeItem(tab, obj) {
             var _this = _super.call(this) || this;
@@ -4665,7 +4656,7 @@ var INSPECTOR;
 
 var INSPECTOR;
 (function (INSPECTOR) {
-    var AbstractTreeTool = /** @class */ (function () {
+    var AbstractTreeTool = (function () {
         function AbstractTreeTool() {
             /** Is the tool enabled ? */
             this._on = false;
@@ -4710,7 +4701,7 @@ var INSPECTOR;
     /**
      * Checkbox to display/hide the primitive
      */
-    var BoundingBox = /** @class */ (function (_super) {
+    var BoundingBox = (function (_super) {
         __extends(BoundingBox, _super);
         function BoundingBox(obj) {
             var _this = _super.call(this) || this;
@@ -4757,7 +4748,7 @@ var INSPECTOR;
     /**
      *
      */
-    var CameraPOV = /** @class */ (function (_super) {
+    var CameraPOV = (function (_super) {
         __extends(CameraPOV, _super);
         function CameraPOV(camera) {
             var _this = _super.call(this) || this;
@@ -4801,7 +4792,7 @@ var INSPECTOR;
     /**
      *
      */
-    var SoundInteractions = /** @class */ (function (_super) {
+    var SoundInteractions = (function (_super) {
         __extends(SoundInteractions, _super);
         function SoundInteractions(playSound) {
             var _this = _super.call(this) || this;
@@ -4849,7 +4840,7 @@ var INSPECTOR;
     /**
      * Checkbox to display/hide the primitive
      */
-    var Checkbox = /** @class */ (function (_super) {
+    var Checkbox = (function (_super) {
         __extends(Checkbox, _super);
         function Checkbox(obj) {
             var _this = _super.call(this) || this;
@@ -4899,7 +4890,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var INSPECTOR;
 (function (INSPECTOR) {
-    var DebugArea = /** @class */ (function (_super) {
+    var DebugArea = (function (_super) {
         __extends(DebugArea, _super);
         function DebugArea(obj) {
             var _this = _super.call(this) || this;
@@ -4939,7 +4930,7 @@ var INSPECTOR;
     /**
      * Checkbox to display/hide the primitive
      */
-    var Info = /** @class */ (function (_super) {
+    var Info = (function (_super) {
         __extends(Info, _super);
         function Info(obj) {
             var _this = _super.call(this) || this;

dist/preview release/loaders/babylon.glTF1FileLoader.js

@@ -11,7 +11,7 @@ var BABYLON;
         // Sets the useRightHandedSystem flag on the scene.
         GLTFLoaderCoordinateSystemMode[GLTFLoaderCoordinateSystemMode["FORCE_RIGHT_HANDED"] = 2] = "FORCE_RIGHT_HANDED";
     })(GLTFLoaderCoordinateSystemMode = BABYLON.GLTFLoaderCoordinateSystemMode || (BABYLON.GLTFLoaderCoordinateSystemMode = {}));
-    var GLTFFileLoader = /** @class */ (function () {
+    var GLTFFileLoader = (function () {
         function GLTFFileLoader() {
             // V2 options
             this.coordinateSystemMode = GLTFLoaderCoordinateSystemMode.AUTO;
@@ -218,7 +218,7 @@ var BABYLON;
         return GLTFFileLoader;
     }());
     BABYLON.GLTFFileLoader = GLTFFileLoader;
-    var BinaryReader = /** @class */ (function () {
+    var BinaryReader = (function () {
         function BinaryReader(arrayBuffer) {
             this._arrayBuffer = arrayBuffer;
             this._dataView = new DataView(arrayBuffer);
@@ -364,7 +364,7 @@ var BABYLON;
             ETokenType[ETokenType["UNKNOWN"] = 2] = "UNKNOWN";
             ETokenType[ETokenType["END_OF_INPUT"] = 3] = "END_OF_INPUT";
         })(ETokenType || (ETokenType = {}));
-        var Tokenizer = /** @class */ (function () {
+        var Tokenizer = (function () {
             function Tokenizer(toParse) {
                 this._pos = 0;
                 this.isLetterOrDigitPattern = /^[a-zA-Z0-9]+$/;
@@ -1292,7 +1292,7 @@ var BABYLON;
         /**
         * Implementation of the base glTF spec
         */
-        var GLTFLoaderBase = /** @class */ (function () {
+        var GLTFLoaderBase = (function () {
             function GLTFLoaderBase() {
             }
             GLTFLoaderBase.CreateRuntime = function (parsedData, scene, rootUrl) {
@@ -1587,7 +1587,7 @@ var BABYLON;
         /**
         * glTF V1 Loader
         */
-        var GLTFLoader = /** @class */ (function () {
+        var GLTFLoader = (function () {
             function GLTFLoader() {
             }
             GLTFLoader.RegisterExtension = function (extension) {
@@ -1771,7 +1771,7 @@ var BABYLON;
         /**
         * Utils functions for GLTF
         */
-        var GLTFUtils = /** @class */ (function () {
+        var GLTFUtils = (function () {
             function GLTFUtils() {
             }
             /**
@@ -2021,7 +2021,7 @@ var BABYLON;
 (function (BABYLON) {
     var GLTF1;
     (function (GLTF1) {
-        var GLTFLoaderExtension = /** @class */ (function () {
+        var GLTFLoaderExtension = (function () {
             function GLTFLoaderExtension(name) {
                 this._name = name;
             }
@@ -2175,7 +2175,7 @@ var BABYLON;
         var BinaryExtensionBufferName = "binary_glTF";
         ;
         ;
-        var GLTFBinaryExtension = /** @class */ (function (_super) {
+        var GLTFBinaryExtension = (function (_super) {
             __extends(GLTFBinaryExtension, _super);
             function GLTFBinaryExtension() {
                 return _super.call(this, "KHR_binary_glTF") || this;
@@ -2252,7 +2252,7 @@ var BABYLON;
         ;
         ;
         ;
-        var GLTFMaterialsCommonExtension = /** @class */ (function (_super) {
+        var GLTFMaterialsCommonExtension = (function (_super) {
             __extends(GLTFMaterialsCommonExtension, _super);
             function GLTFMaterialsCommonExtension() {
                 return _super.call(this, "KHR_materials_common") || this;

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

@@ -11,7 +11,7 @@ var BABYLON;
         // Sets the useRightHandedSystem flag on the scene.
         GLTFLoaderCoordinateSystemMode[GLTFLoaderCoordinateSystemMode["FORCE_RIGHT_HANDED"] = 2] = "FORCE_RIGHT_HANDED";
     })(GLTFLoaderCoordinateSystemMode = BABYLON.GLTFLoaderCoordinateSystemMode || (BABYLON.GLTFLoaderCoordinateSystemMode = {}));
-    var GLTFFileLoader = /** @class */ (function () {
+    var GLTFFileLoader = (function () {
         function GLTFFileLoader() {
             // V2 options
             this.coordinateSystemMode = GLTFLoaderCoordinateSystemMode.AUTO;
@@ -218,7 +218,7 @@ var BABYLON;
         return GLTFFileLoader;
     }());
     BABYLON.GLTFFileLoader = GLTFFileLoader;
-    var BinaryReader = /** @class */ (function () {
+    var BinaryReader = (function () {
         function BinaryReader(arrayBuffer) {
             this._arrayBuffer = arrayBuffer;
             this._dataView = new DataView(arrayBuffer);
@@ -309,7 +309,7 @@ var BABYLON;
 (function (BABYLON) {
     var GLTF2;
     (function (GLTF2) {
-        var GLTFLoaderTracker = /** @class */ (function () {
+        var GLTFLoaderTracker = (function () {
             function GLTFLoaderTracker(onComplete) {
                 this._pendingCount = 0;
                 this._callback = onComplete;
@@ -324,7 +324,7 @@ var BABYLON;
             };
             return GLTFLoaderTracker;
         }());
-        var GLTFLoader = /** @class */ (function () {
+        var GLTFLoader = (function () {
             function GLTFLoader(parent) {
                 this._renderReady = false;
                 this._disposed = false;
@@ -1541,7 +1541,7 @@ var BABYLON;
         /**
         * Utils functions for GLTF
         */
-        var GLTFUtils = /** @class */ (function () {
+        var GLTFUtils = (function () {
             function GLTFUtils() {
             }
             /**
@@ -1639,7 +1639,7 @@ var BABYLON;
 (function (BABYLON) {
     var GLTF2;
     (function (GLTF2) {
-        var GLTFLoaderExtension = /** @class */ (function () {
+        var GLTFLoaderExtension = (function () {
             function GLTFLoaderExtension() {
                 this.enabled = true;
             }
@@ -1715,7 +1715,7 @@ var BABYLON;
         var Extensions;
         (function (Extensions) {
             // See https://github.com/sbtron/glTF/tree/MSFT_lod/extensions/Vendor/MSFT_lod for more information about this extension.
-            var MSFTLOD = /** @class */ (function (_super) {
+            var MSFTLOD = (function (_super) {
                 __extends(MSFTLOD, _super);
                 function MSFTLOD() {
                     return _super !== null && _super.apply(this, arguments) || this;
@@ -1831,7 +1831,7 @@ var BABYLON;
     (function (GLTF2) {
         var Extensions;
         (function (Extensions) {
-            var KHRMaterialsPbrSpecularGlossiness = /** @class */ (function (_super) {
+            var KHRMaterialsPbrSpecularGlossiness = (function (_super) {
                 __extends(KHRMaterialsPbrSpecularGlossiness, _super);
                 function KHRMaterialsPbrSpecularGlossiness() {
                     return _super !== null && _super.apply(this, arguments) || this;

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

@@ -11,7 +11,7 @@ var BABYLON;
         // Sets the useRightHandedSystem flag on the scene.
         GLTFLoaderCoordinateSystemMode[GLTFLoaderCoordinateSystemMode["FORCE_RIGHT_HANDED"] = 2] = "FORCE_RIGHT_HANDED";
     })(GLTFLoaderCoordinateSystemMode = BABYLON.GLTFLoaderCoordinateSystemMode || (BABYLON.GLTFLoaderCoordinateSystemMode = {}));
-    var GLTFFileLoader = /** @class */ (function () {
+    var GLTFFileLoader = (function () {
         function GLTFFileLoader() {
             // V2 options
             this.coordinateSystemMode = GLTFLoaderCoordinateSystemMode.AUTO;
@@ -218,7 +218,7 @@ var BABYLON;
         return GLTFFileLoader;
     }());
     BABYLON.GLTFFileLoader = GLTFFileLoader;
-    var BinaryReader = /** @class */ (function () {
+    var BinaryReader = (function () {
         function BinaryReader(arrayBuffer) {
             this._arrayBuffer = arrayBuffer;
             this._dataView = new DataView(arrayBuffer);
@@ -364,7 +364,7 @@ var BABYLON;
             ETokenType[ETokenType["UNKNOWN"] = 2] = "UNKNOWN";
             ETokenType[ETokenType["END_OF_INPUT"] = 3] = "END_OF_INPUT";
         })(ETokenType || (ETokenType = {}));
-        var Tokenizer = /** @class */ (function () {
+        var Tokenizer = (function () {
             function Tokenizer(toParse) {
                 this._pos = 0;
                 this.isLetterOrDigitPattern = /^[a-zA-Z0-9]+$/;
@@ -1292,7 +1292,7 @@ var BABYLON;
         /**
         * Implementation of the base glTF spec
         */
-        var GLTFLoaderBase = /** @class */ (function () {
+        var GLTFLoaderBase = (function () {
             function GLTFLoaderBase() {
             }
             GLTFLoaderBase.CreateRuntime = function (parsedData, scene, rootUrl) {
@@ -1587,7 +1587,7 @@ var BABYLON;
         /**
         * glTF V1 Loader
         */
-        var GLTFLoader = /** @class */ (function () {
+        var GLTFLoader = (function () {
             function GLTFLoader() {
             }
             GLTFLoader.RegisterExtension = function (extension) {
@@ -1771,7 +1771,7 @@ var BABYLON;
         /**
         * Utils functions for GLTF
         */
-        var GLTFUtils = /** @class */ (function () {
+        var GLTFUtils = (function () {
             function GLTFUtils() {
             }
             /**
@@ -2021,7 +2021,7 @@ var BABYLON;
 (function (BABYLON) {
     var GLTF1;
     (function (GLTF1) {
-        var GLTFLoaderExtension = /** @class */ (function () {
+        var GLTFLoaderExtension = (function () {
             function GLTFLoaderExtension(name) {
                 this._name = name;
             }
@@ -2175,7 +2175,7 @@ var BABYLON;
         var BinaryExtensionBufferName = "binary_glTF";
         ;
         ;
-        var GLTFBinaryExtension = /** @class */ (function (_super) {
+        var GLTFBinaryExtension = (function (_super) {
             __extends(GLTFBinaryExtension, _super);
             function GLTFBinaryExtension() {
                 return _super.call(this, "KHR_binary_glTF") || this;
@@ -2252,7 +2252,7 @@ var BABYLON;
         ;
         ;
         ;
-        var GLTFMaterialsCommonExtension = /** @class */ (function (_super) {
+        var GLTFMaterialsCommonExtension = (function (_super) {
             __extends(GLTFMaterialsCommonExtension, _super);
             function GLTFMaterialsCommonExtension() {
                 return _super.call(this, "KHR_materials_common") || this;
@@ -2415,7 +2415,7 @@ var BABYLON;
 (function (BABYLON) {
     var GLTF2;
     (function (GLTF2) {
-        var GLTFLoaderTracker = /** @class */ (function () {
+        var GLTFLoaderTracker = (function () {
             function GLTFLoaderTracker(onComplete) {
                 this._pendingCount = 0;
                 this._callback = onComplete;
@@ -2430,7 +2430,7 @@ var BABYLON;
             };
             return GLTFLoaderTracker;
         }());
-        var GLTFLoader = /** @class */ (function () {
+        var GLTFLoader = (function () {
             function GLTFLoader(parent) {
                 this._renderReady = false;
                 this._disposed = false;
@@ -3647,7 +3647,7 @@ var BABYLON;
         /**
         * Utils functions for GLTF
         */
-        var GLTFUtils = /** @class */ (function () {
+        var GLTFUtils = (function () {
             function GLTFUtils() {
             }
             /**
@@ -3745,7 +3745,7 @@ var BABYLON;
 (function (BABYLON) {
     var GLTF2;
     (function (GLTF2) {
-        var GLTFLoaderExtension = /** @class */ (function () {
+        var GLTFLoaderExtension = (function () {
             function GLTFLoaderExtension() {
                 this.enabled = true;
             }
@@ -3821,7 +3821,7 @@ var BABYLON;
         var Extensions;
         (function (Extensions) {
             // See https://github.com/sbtron/glTF/tree/MSFT_lod/extensions/Vendor/MSFT_lod for more information about this extension.
-            var MSFTLOD = /** @class */ (function (_super) {
+            var MSFTLOD = (function (_super) {
                 __extends(MSFTLOD, _super);
                 function MSFTLOD() {
                     return _super !== null && _super.apply(this, arguments) || this;
@@ -3937,7 +3937,7 @@ var BABYLON;
     (function (GLTF2) {
         var Extensions;
         (function (Extensions) {
-            var KHRMaterialsPbrSpecularGlossiness = /** @class */ (function (_super) {
+            var KHRMaterialsPbrSpecularGlossiness = (function (_super) {
                 __extends(KHRMaterialsPbrSpecularGlossiness, _super);
                 function KHRMaterialsPbrSpecularGlossiness() {
                     return _super !== null && _super.apply(this, arguments) || this;

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

@@ -4,7 +4,7 @@ var BABYLON;
     /**
      * Class reading and parsing the MTL file bundled with the obj file.
      */
-    var MTLFileLoader = /** @class */ (function () {
+    var MTLFileLoader = (function () {
         function MTLFileLoader() {
             // All material loaded from the mtl will be set here
             this.materials = [];
@@ -203,7 +203,7 @@ var BABYLON;
         return MTLFileLoader;
     }());
     BABYLON.MTLFileLoader = MTLFileLoader;
-    var OBJFileLoader = /** @class */ (function () {
+    var OBJFileLoader = (function () {
         function OBJFileLoader() {
             this.name = "obj";
             this.extensions = ".obj";

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

@@ -1,7 +1,7 @@
 /// <reference path="../../../dist/preview release/babylon.d.ts"/>
 var BABYLON;
 (function (BABYLON) {
-    var STLFileLoader = /** @class */ (function () {
+    var STLFileLoader = (function () {
         function STLFileLoader() {
             this.solidPattern = /solid (\S*)([\S\s]*)endsolid[ ]*(\S*)/g;
             this.facetsPattern = /facet([\s\S]*?)endfacet/g;

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

@@ -19,7 +19,7 @@ var __extends = (this && this.__extends) || (function () {
         
 var BABYLON;
 (function (BABYLON) {
-    var STLFileLoader = /** @class */ (function () {
+    var STLFileLoader = (function () {
         function STLFileLoader() {
             this.solidPattern = /solid (\S*)([\S\s]*)endsolid[ ]*(\S*)/g;
             this.facetsPattern = /facet([\s\S]*?)endfacet/g;
@@ -187,7 +187,7 @@ var BABYLON;
     /**
      * Class reading and parsing the MTL file bundled with the obj file.
      */
-    var MTLFileLoader = /** @class */ (function () {
+    var MTLFileLoader = (function () {
         function MTLFileLoader() {
             // All material loaded from the mtl will be set here
             this.materials = [];
@@ -386,7 +386,7 @@ var BABYLON;
         return MTLFileLoader;
     }());
     BABYLON.MTLFileLoader = MTLFileLoader;
-    var OBJFileLoader = /** @class */ (function () {
+    var OBJFileLoader = (function () {
         function OBJFileLoader() {
             this.name = "obj";
             this.extensions = ".obj";
@@ -982,7 +982,7 @@ var BABYLON;
         // Sets the useRightHandedSystem flag on the scene.
         GLTFLoaderCoordinateSystemMode[GLTFLoaderCoordinateSystemMode["FORCE_RIGHT_HANDED"] = 2] = "FORCE_RIGHT_HANDED";
     })(GLTFLoaderCoordinateSystemMode = BABYLON.GLTFLoaderCoordinateSystemMode || (BABYLON.GLTFLoaderCoordinateSystemMode = {}));
-    var GLTFFileLoader = /** @class */ (function () {
+    var GLTFFileLoader = (function () {
         function GLTFFileLoader() {
             // V2 options
             this.coordinateSystemMode = GLTFLoaderCoordinateSystemMode.AUTO;
@@ -1189,7 +1189,7 @@ var BABYLON;
         return GLTFFileLoader;
     }());
     BABYLON.GLTFFileLoader = GLTFFileLoader;
-    var BinaryReader = /** @class */ (function () {
+    var BinaryReader = (function () {
         function BinaryReader(arrayBuffer) {
             this._arrayBuffer = arrayBuffer;
             this._dataView = new DataView(arrayBuffer);
@@ -1335,7 +1335,7 @@ var BABYLON;
             ETokenType[ETokenType["UNKNOWN"] = 2] = "UNKNOWN";
             ETokenType[ETokenType["END_OF_INPUT"] = 3] = "END_OF_INPUT";
         })(ETokenType || (ETokenType = {}));
-        var Tokenizer = /** @class */ (function () {
+        var Tokenizer = (function () {
             function Tokenizer(toParse) {
                 this._pos = 0;
                 this.isLetterOrDigitPattern = /^[a-zA-Z0-9]+$/;
@@ -2263,7 +2263,7 @@ var BABYLON;
         /**
         * Implementation of the base glTF spec
         */
-        var GLTFLoaderBase = /** @class */ (function () {
+        var GLTFLoaderBase = (function () {
             function GLTFLoaderBase() {
             }
             GLTFLoaderBase.CreateRuntime = function (parsedData, scene, rootUrl) {
@@ -2558,7 +2558,7 @@ var BABYLON;
         /**
         * glTF V1 Loader
         */
-        var GLTFLoader = /** @class */ (function () {
+        var GLTFLoader = (function () {
             function GLTFLoader() {
             }
             GLTFLoader.RegisterExtension = function (extension) {
@@ -2742,7 +2742,7 @@ var BABYLON;
         /**
         * Utils functions for GLTF
         */
-        var GLTFUtils = /** @class */ (function () {
+        var GLTFUtils = (function () {
             function GLTFUtils() {
             }
             /**
@@ -2992,7 +2992,7 @@ var BABYLON;
 (function (BABYLON) {
     var GLTF1;
     (function (GLTF1) {
-        var GLTFLoaderExtension = /** @class */ (function () {
+        var GLTFLoaderExtension = (function () {
             function GLTFLoaderExtension(name) {
                 this._name = name;
             }
@@ -3137,7 +3137,7 @@ var BABYLON;
         var BinaryExtensionBufferName = "binary_glTF";
         ;
         ;
-        var GLTFBinaryExtension = /** @class */ (function (_super) {
+        var GLTFBinaryExtension = (function (_super) {
             __extends(GLTFBinaryExtension, _super);
             function GLTFBinaryExtension() {
                 return _super.call(this, "KHR_binary_glTF") || this;
@@ -3205,7 +3205,7 @@ var BABYLON;
         ;
         ;
         ;
-        var GLTFMaterialsCommonExtension = /** @class */ (function (_super) {
+        var GLTFMaterialsCommonExtension = (function (_super) {
             __extends(GLTFMaterialsCommonExtension, _super);
             function GLTFMaterialsCommonExtension() {
                 return _super.call(this, "KHR_materials_common") || this;
@@ -3368,7 +3368,7 @@ var BABYLON;
 (function (BABYLON) {
     var GLTF2;
     (function (GLTF2) {
-        var GLTFLoaderTracker = /** @class */ (function () {
+        var GLTFLoaderTracker = (function () {
             function GLTFLoaderTracker(onComplete) {
                 this._pendingCount = 0;
                 this._callback = onComplete;
@@ -3383,7 +3383,7 @@ var BABYLON;
             };
             return GLTFLoaderTracker;
         }());
-        var GLTFLoader = /** @class */ (function () {
+        var GLTFLoader = (function () {
             function GLTFLoader(parent) {
                 this._renderReady = false;
                 this._disposed = false;
@@ -4600,7 +4600,7 @@ var BABYLON;
         /**
         * Utils functions for GLTF
         */
-        var GLTFUtils = /** @class */ (function () {
+        var GLTFUtils = (function () {
             function GLTFUtils() {
             }
             /**
@@ -4698,7 +4698,7 @@ var BABYLON;
 (function (BABYLON) {
     var GLTF2;
     (function (GLTF2) {
-        var GLTFLoaderExtension = /** @class */ (function () {
+        var GLTFLoaderExtension = (function () {
             function GLTFLoaderExtension() {
                 this.enabled = true;
             }
@@ -4765,7 +4765,7 @@ var BABYLON;
         var Extensions;
         (function (Extensions) {
             // See https://github.com/sbtron/glTF/tree/MSFT_lod/extensions/Vendor/MSFT_lod for more information about this extension.
-            var MSFTLOD = /** @class */ (function (_super) {
+            var MSFTLOD = (function (_super) {
                 __extends(MSFTLOD, _super);
                 function MSFTLOD() {
                     return _super !== null && _super.apply(this, arguments) || this;
@@ -4872,7 +4872,7 @@ var BABYLON;
     (function (GLTF2) {
         var Extensions;
         (function (Extensions) {
-            var KHRMaterialsPbrSpecularGlossiness = /** @class */ (function (_super) {
+            var KHRMaterialsPbrSpecularGlossiness = (function (_super) {
                 __extends(KHRMaterialsPbrSpecularGlossiness, _super);
                 function KHRMaterialsPbrSpecularGlossiness() {
                     return _super !== null && _super.apply(this, arguments) || this;

dist/preview release/materialsLibrary/babylon.cellMaterial.js

@@ -17,7 +17,7 @@ var __decorate = (this && this.__decorate) || function (decorators, target, key,
 };
 var BABYLON;
 (function (BABYLON) {
-    var CellMaterialDefines = /** @class */ (function (_super) {
+    var CellMaterialDefines = (function (_super) {
         __extends(CellMaterialDefines, _super);
         function CellMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -43,7 +43,7 @@ var BABYLON;
         }
         return CellMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var CellMaterial = /** @class */ (function (_super) {
+    var CellMaterial = (function (_super) {
         __extends(CellMaterial, _super);
         function CellMaterial(name, scene) {
             var _this = _super.call(this, name, scene) || this;

dist/preview release/materialsLibrary/babylon.customMaterial.js

@@ -18,7 +18,7 @@ var __decorate = (this && this.__decorate) || function (decorators, target, key,
 var BABYLON;
 (function (BABYLON) {
     // old version of standard material updated every 3 months
-    var StandardMaterialDefines_OldVer = /** @class */ (function (_super) {
+    var StandardMaterialDefines_OldVer = (function (_super) {
         __extends(StandardMaterialDefines_OldVer, _super);
         function StandardMaterialDefines_OldVer() {
             var _this = _super.call(this) || this;
@@ -111,7 +111,7 @@ var BABYLON;
         return StandardMaterialDefines_OldVer;
     }(BABYLON.MaterialDefines));
     BABYLON.StandardMaterialDefines_OldVer = StandardMaterialDefines_OldVer;
-    var StandardMaterial_OldVer = /** @class */ (function (_super) {
+    var StandardMaterial_OldVer = (function (_super) {
         __extends(StandardMaterial_OldVer, _super);
         function StandardMaterial_OldVer(name, scene) {
             var _this = _super.call(this, name, scene) || this;
@@ -1382,19 +1382,19 @@ var BABYLON;
         return StandardMaterial_OldVer;
     }(BABYLON.PushMaterial));
     BABYLON.StandardMaterial_OldVer = StandardMaterial_OldVer;
-    var CustomShaderStructure = /** @class */ (function () {
+    var CustomShaderStructure = (function () {
         function CustomShaderStructure() {
         }
         return CustomShaderStructure;
     }());
     BABYLON.CustomShaderStructure = CustomShaderStructure;
-    var ShaderSpecialParts = /** @class */ (function () {
+    var ShaderSpecialParts = (function () {
         function ShaderSpecialParts() {
         }
         return ShaderSpecialParts;
     }());
     BABYLON.ShaderSpecialParts = ShaderSpecialParts;
-    var ShaderForVer3_0 = /** @class */ (function (_super) {
+    var ShaderForVer3_0 = (function (_super) {
         __extends(ShaderForVer3_0, _super);
         function ShaderForVer3_0() {
             var _this = _super.call(this) || this;
@@ -1895,14 +1895,14 @@ vColor=color;\n\
         return ShaderForVer3_0;
     }(CustomShaderStructure));
     BABYLON.ShaderForVer3_0 = ShaderForVer3_0;
-    var StandardShaderVersions = /** @class */ (function () {
+    var StandardShaderVersions = (function () {
         function StandardShaderVersions() {
         }
         StandardShaderVersions.Ver3_0 = "3.0.0";
         return StandardShaderVersions;
     }());
     BABYLON.StandardShaderVersions = StandardShaderVersions;
-    var CustomMaterial = /** @class */ (function (_super) {
+    var CustomMaterial = (function (_super) {
         __extends(CustomMaterial, _super);
         function CustomMaterial(name, scene) {
             var _this = _super.call(this, name, scene) || this;

dist/preview release/materialsLibrary/babylon.fireMaterial.js

@@ -17,7 +17,7 @@ var __decorate = (this && this.__decorate) || function (decorators, target, key,
 };
 var BABYLON;
 (function (BABYLON) {
-    var FireMaterialDefines = /** @class */ (function (_super) {
+    var FireMaterialDefines = (function (_super) {
         __extends(FireMaterialDefines, _super);
         function FireMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -38,7 +38,7 @@ var BABYLON;
         }
         return FireMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var FireMaterial = /** @class */ (function (_super) {
+    var FireMaterial = (function (_super) {
         __extends(FireMaterial, _super);
         function FireMaterial(name, scene) {
             var _this = _super.call(this, name, scene) || this;

dist/preview release/materialsLibrary/babylon.furMaterial.js

@@ -17,7 +17,7 @@ var __decorate = (this && this.__decorate) || function (decorators, target, key,
 };
 var BABYLON;
 (function (BABYLON) {
-    var FurMaterialDefines = /** @class */ (function (_super) {
+    var FurMaterialDefines = (function (_super) {
         __extends(FurMaterialDefines, _super);
         function FurMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -42,7 +42,7 @@ var BABYLON;
         }
         return FurMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var FurMaterial = /** @class */ (function (_super) {
+    var FurMaterial = (function (_super) {
         __extends(FurMaterial, _super);
         function FurMaterial(name, scene) {
             var _this = _super.call(this, name, scene) || this;

dist/preview release/materialsLibrary/babylon.gradientMaterial.js

@@ -17,7 +17,7 @@ var __decorate = (this && this.__decorate) || function (decorators, target, key,
 };
 var BABYLON;
 (function (BABYLON) {
-    var GradientMaterialDefines = /** @class */ (function (_super) {
+    var GradientMaterialDefines = (function (_super) {
         __extends(GradientMaterialDefines, _super);
         function GradientMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -73,7 +73,7 @@ var BABYLON;
         }
         return GradientMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var GradientMaterial = /** @class */ (function (_super) {
+    var GradientMaterial = (function (_super) {
         __extends(GradientMaterial, _super);
         function GradientMaterial(name, scene) {
             var _this = _super.call(this, name, scene) || this;

dist/preview release/materialsLibrary/babylon.gridMaterial.js

@@ -17,7 +17,7 @@ var __decorate = (this && this.__decorate) || function (decorators, target, key,
 };
 var BABYLON;
 (function (BABYLON) {
-    var GridMaterialDefines = /** @class */ (function (_super) {
+    var GridMaterialDefines = (function (_super) {
         __extends(GridMaterialDefines, _super);
         function GridMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -33,7 +33,7 @@ var BABYLON;
      * The grid materials allows you to wrap any shape with a grid.
      * Colors are customizable.
      */
-    var GridMaterial = /** @class */ (function (_super) {
+    var GridMaterial = (function (_super) {
         __extends(GridMaterial, _super);
         /**
          * constructor

dist/preview release/materialsLibrary/babylon.lavaMaterial.js

@@ -17,7 +17,7 @@ var __decorate = (this && this.__decorate) || function (decorators, target, key,
 };
 var BABYLON;
 (function (BABYLON) {
-    var LavaMaterialDefines = /** @class */ (function (_super) {
+    var LavaMaterialDefines = (function (_super) {
         __extends(LavaMaterialDefines, _super);
         function LavaMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -73,7 +73,7 @@ var BABYLON;
         }
         return LavaMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var LavaMaterial = /** @class */ (function (_super) {
+    var LavaMaterial = (function (_super) {
         __extends(LavaMaterial, _super);
         function LavaMaterial(name, scene) {
             var _this = _super.call(this, name, scene) || this;

dist/preview release/materialsLibrary/babylon.legacyPbrMaterial.js

@@ -17,7 +17,7 @@ var __decorate = (this && this.__decorate) || function (decorators, target, key,
 };
 var BABYLON;
 (function (BABYLON) {
-    var LegacyPBRMaterialDefines = /** @class */ (function (_super) {
+    var LegacyPBRMaterialDefines = (function (_super) {
         __extends(LegacyPBRMaterialDefines, _super);
         function LegacyPBRMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -110,7 +110,7 @@ var BABYLON;
      * For more information, please refer to the documentation :
      * http://doc.babylonjs.com/extensions/Physically_Based_Rendering
      */
-    var LegacyPBRMaterial = /** @class */ (function (_super) {
+    var LegacyPBRMaterial = (function (_super) {
         __extends(LegacyPBRMaterial, _super);
         /**
          * Instantiates a new PBRMaterial instance.

dist/preview release/materialsLibrary/babylon.normalMaterial.js

@@ -17,7 +17,7 @@ var __decorate = (this && this.__decorate) || function (decorators, target, key,
 };
 var BABYLON;
 (function (BABYLON) {
-    var NormalMaterialDefines = /** @class */ (function (_super) {
+    var NormalMaterialDefines = (function (_super) {
         __extends(NormalMaterialDefines, _super);
         function NormalMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -73,7 +73,7 @@ var BABYLON;
         }
         return NormalMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var NormalMaterial = /** @class */ (function (_super) {
+    var NormalMaterial = (function (_super) {
         __extends(NormalMaterial, _super);
         function NormalMaterial(name, scene) {
             var _this = _super.call(this, name, scene) || this;

dist/preview release/materialsLibrary/babylon.shadowOnlyMaterial.js

@@ -11,7 +11,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var BABYLON;
 (function (BABYLON) {
-    var ShadowOnlyMaterialDefines = /** @class */ (function (_super) {
+    var ShadowOnlyMaterialDefines = (function (_super) {
         __extends(ShadowOnlyMaterialDefines, _super);
         function ShadowOnlyMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -27,7 +27,7 @@ var BABYLON;
         }
         return ShadowOnlyMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var ShadowOnlyMaterial = /** @class */ (function (_super) {
+    var ShadowOnlyMaterial = (function (_super) {
         __extends(ShadowOnlyMaterial, _super);
         function ShadowOnlyMaterial(name, scene) {
             return _super.call(this, name, scene) || this;

dist/preview release/materialsLibrary/babylon.simpleMaterial.js

@@ -17,7 +17,7 @@ var __decorate = (this && this.__decorate) || function (decorators, target, key,
 };
 var BABYLON;
 (function (BABYLON) {
-    var SimpleMaterialDefines = /** @class */ (function (_super) {
+    var SimpleMaterialDefines = (function (_super) {
         __extends(SimpleMaterialDefines, _super);
         function SimpleMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -40,7 +40,7 @@ var BABYLON;
         }
         return SimpleMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var SimpleMaterial = /** @class */ (function (_super) {
+    var SimpleMaterial = (function (_super) {
         __extends(SimpleMaterial, _super);
         function SimpleMaterial(name, scene) {
             var _this = _super.call(this, name, scene) || this;

dist/preview release/materialsLibrary/babylon.skyMaterial.js

@@ -17,7 +17,7 @@ var __decorate = (this && this.__decorate) || function (decorators, target, key,
 };
 var BABYLON;
 (function (BABYLON) {
-    var SkyMaterialDefines = /** @class */ (function (_super) {
+    var SkyMaterialDefines = (function (_super) {
         __extends(SkyMaterialDefines, _super);
         function SkyMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -31,7 +31,7 @@ var BABYLON;
         }
         return SkyMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var SkyMaterial = /** @class */ (function (_super) {
+    var SkyMaterial = (function (_super) {
         __extends(SkyMaterial, _super);
         function SkyMaterial(name, scene) {
             var _this = _super.call(this, name, scene) || this;

dist/preview release/materialsLibrary/babylon.terrainMaterial.js

@@ -17,7 +17,7 @@ var __decorate = (this && this.__decorate) || function (decorators, target, key,
 };
 var BABYLON;
 (function (BABYLON) {
-    var TerrainMaterialDefines = /** @class */ (function (_super) {
+    var TerrainMaterialDefines = (function (_super) {
         __extends(TerrainMaterialDefines, _super);
         function TerrainMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -42,7 +42,7 @@ var BABYLON;
         }
         return TerrainMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var TerrainMaterial = /** @class */ (function (_super) {
+    var TerrainMaterial = (function (_super) {
         __extends(TerrainMaterial, _super);
         function TerrainMaterial(name, scene) {
             var _this = _super.call(this, name, scene) || this;

dist/preview release/materialsLibrary/babylon.triPlanarMaterial.js

@@ -17,7 +17,7 @@ var __decorate = (this && this.__decorate) || function (decorators, target, key,
 };
 var BABYLON;
 (function (BABYLON) {
-    var TriPlanarMaterialDefines = /** @class */ (function (_super) {
+    var TriPlanarMaterialDefines = (function (_super) {
         __extends(TriPlanarMaterialDefines, _super);
         function TriPlanarMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -44,7 +44,7 @@ var BABYLON;
         }
         return TriPlanarMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var TriPlanarMaterial = /** @class */ (function (_super) {
+    var TriPlanarMaterial = (function (_super) {
         __extends(TriPlanarMaterial, _super);
         function TriPlanarMaterial(name, scene) {
             var _this = _super.call(this, name, scene) || this;

dist/preview release/materialsLibrary/babylon.waterMaterial.js

@@ -17,7 +17,7 @@ var __decorate = (this && this.__decorate) || function (decorators, target, key,
 };
 var BABYLON;
 (function (BABYLON) {
-    var WaterMaterialDefines = /** @class */ (function (_super) {
+    var WaterMaterialDefines = (function (_super) {
         __extends(WaterMaterialDefines, _super);
         function WaterMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -46,7 +46,7 @@ var BABYLON;
         }
         return WaterMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var WaterMaterial = /** @class */ (function (_super) {
+    var WaterMaterial = (function (_super) {
         __extends(WaterMaterial, _super);
         /**
         * Constructor

dist/preview release/materialsLibrary/babylonjs.materials.js

@@ -20,7 +20,7 @@ var __extends = (this && this.__extends) || (function () {
 
 var BABYLON;
 (function (BABYLON) {
-    var ShadowOnlyMaterialDefines = /** @class */ (function (_super) {
+    var ShadowOnlyMaterialDefines = (function (_super) {
         __extends(ShadowOnlyMaterialDefines, _super);
         function ShadowOnlyMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -36,7 +36,7 @@ var BABYLON;
         }
         return ShadowOnlyMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var ShadowOnlyMaterial = /** @class */ (function (_super) {
+    var ShadowOnlyMaterial = (function (_super) {
         __extends(ShadowOnlyMaterial, _super);
         function ShadowOnlyMaterial(name, scene) {
             return _super.call(this, name, scene) || this;
@@ -221,7 +221,7 @@ BABYLON.Effect.ShadersStore['shadowOnlyPixelShader'] = "precision highp float;\n
 
 var BABYLON;
 (function (BABYLON) {
-    var GradientMaterialDefines = /** @class */ (function (_super) {
+    var GradientMaterialDefines = (function (_super) {
         __extends(GradientMaterialDefines, _super);
         function GradientMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -277,7 +277,7 @@ var BABYLON;
         }
         return GradientMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var GradientMaterial = /** @class */ (function (_super) {
+    var GradientMaterial = (function (_super) {
         __extends(GradientMaterial, _super);
         function GradientMaterial(name, scene) {
             var _this = _super.call(this, name, scene) || this;
@@ -496,7 +496,7 @@ BABYLON.Effect.ShadersStore['gradientPixelShader'] = "precision highp float;\n\n
 
 var BABYLON;
 (function (BABYLON) {
-    var NormalMaterialDefines = /** @class */ (function (_super) {
+    var NormalMaterialDefines = (function (_super) {
         __extends(NormalMaterialDefines, _super);
         function NormalMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -552,7 +552,7 @@ var BABYLON;
         }
         return NormalMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var NormalMaterial = /** @class */ (function (_super) {
+    var NormalMaterial = (function (_super) {
         __extends(NormalMaterial, _super);
         function NormalMaterial(name, scene) {
             var _this = _super.call(this, name, scene) || this;
@@ -798,7 +798,7 @@ BABYLON.Effect.ShadersStore['normalPixelShader'] = "precision highp float;\n\nun
 
 var BABYLON;
 (function (BABYLON) {
-    var LavaMaterialDefines = /** @class */ (function (_super) {
+    var LavaMaterialDefines = (function (_super) {
         __extends(LavaMaterialDefines, _super);
         function LavaMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -854,7 +854,7 @@ var BABYLON;
         }
         return LavaMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var LavaMaterial = /** @class */ (function (_super) {
+    var LavaMaterial = (function (_super) {
         __extends(LavaMaterial, _super);
         function LavaMaterial(name, scene) {
             var _this = _super.call(this, name, scene) || this;
@@ -1146,7 +1146,7 @@ BABYLON.Effect.ShadersStore['lavaPixelShader'] = "precision highp float;\n\nunif
 
 var BABYLON;
 (function (BABYLON) {
-    var SimpleMaterialDefines = /** @class */ (function (_super) {
+    var SimpleMaterialDefines = (function (_super) {
         __extends(SimpleMaterialDefines, _super);
         function SimpleMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -1169,7 +1169,7 @@ var BABYLON;
         }
         return SimpleMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var SimpleMaterial = /** @class */ (function (_super) {
+    var SimpleMaterial = (function (_super) {
         __extends(SimpleMaterial, _super);
         function SimpleMaterial(name, scene) {
             var _this = _super.call(this, name, scene) || this;
@@ -1415,7 +1415,7 @@ BABYLON.Effect.ShadersStore['simplePixelShader'] = "precision highp float;\n\nun
 
 var BABYLON;
 (function (BABYLON) {
-    var WaterMaterialDefines = /** @class */ (function (_super) {
+    var WaterMaterialDefines = (function (_super) {
         __extends(WaterMaterialDefines, _super);
         function WaterMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -1444,7 +1444,7 @@ var BABYLON;
         }
         return WaterMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var WaterMaterial = /** @class */ (function (_super) {
+    var WaterMaterial = (function (_super) {
         __extends(WaterMaterial, _super);
         /**
         * Constructor
@@ -2007,7 +2007,7 @@ BABYLON.Effect.ShadersStore['waterPixelShader'] = "#ifdef LOGARITHMICDEPTH\n#ext
 
 var BABYLON;
 (function (BABYLON) {
-    var FireMaterialDefines = /** @class */ (function (_super) {
+    var FireMaterialDefines = (function (_super) {
         __extends(FireMaterialDefines, _super);
         function FireMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -2028,7 +2028,7 @@ var BABYLON;
         }
         return FireMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var FireMaterial = /** @class */ (function (_super) {
+    var FireMaterial = (function (_super) {
         __extends(FireMaterial, _super);
         function FireMaterial(name, scene) {
             var _this = _super.call(this, name, scene) || this;
@@ -2322,7 +2322,7 @@ BABYLON.Effect.ShadersStore['firePixelShader'] = "precision highp float;\n\nunif
 
 var BABYLON;
 (function (BABYLON) {
-    var FurMaterialDefines = /** @class */ (function (_super) {
+    var FurMaterialDefines = (function (_super) {
         __extends(FurMaterialDefines, _super);
         function FurMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -2347,7 +2347,7 @@ var BABYLON;
         }
         return FurMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var FurMaterial = /** @class */ (function (_super) {
+    var FurMaterial = (function (_super) {
         __extends(FurMaterial, _super);
         function FurMaterial(name, scene) {
             var _this = _super.call(this, name, scene) || this;
@@ -2778,7 +2778,7 @@ BABYLON.Effect.ShadersStore['furPixelShader'] = "precision highp float;\n\nunifo
 
 var BABYLON;
 (function (BABYLON) {
-    var TerrainMaterialDefines = /** @class */ (function (_super) {
+    var TerrainMaterialDefines = (function (_super) {
         __extends(TerrainMaterialDefines, _super);
         function TerrainMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -2803,7 +2803,7 @@ var BABYLON;
         }
         return TerrainMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var TerrainMaterial = /** @class */ (function (_super) {
+    var TerrainMaterial = (function (_super) {
         __extends(TerrainMaterial, _super);
         function TerrainMaterial(name, scene) {
             var _this = _super.call(this, name, scene) || this;
@@ -3162,7 +3162,7 @@ BABYLON.Effect.ShadersStore['terrainPixelShader'] = "precision highp float;\n\nu
 
 var BABYLON;
 (function (BABYLON) {
-    var TriPlanarMaterialDefines = /** @class */ (function (_super) {
+    var TriPlanarMaterialDefines = (function (_super) {
         __extends(TriPlanarMaterialDefines, _super);
         function TriPlanarMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -3189,7 +3189,7 @@ var BABYLON;
         }
         return TriPlanarMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var TriPlanarMaterial = /** @class */ (function (_super) {
+    var TriPlanarMaterial = (function (_super) {
         __extends(TriPlanarMaterial, _super);
         function TriPlanarMaterial(name, scene) {
             var _this = _super.call(this, name, scene) || this;
@@ -3541,7 +3541,7 @@ BABYLON.Effect.ShadersStore['triplanarPixelShader'] = "precision highp float;\n\
 
 var BABYLON;
 (function (BABYLON) {
-    var SkyMaterialDefines = /** @class */ (function (_super) {
+    var SkyMaterialDefines = (function (_super) {
         __extends(SkyMaterialDefines, _super);
         function SkyMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -3555,7 +3555,7 @@ var BABYLON;
         }
         return SkyMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var SkyMaterial = /** @class */ (function (_super) {
+    var SkyMaterial = (function (_super) {
         __extends(SkyMaterial, _super);
         function SkyMaterial(name, scene) {
             var _this = _super.call(this, name, scene) || this;
@@ -3753,7 +3753,7 @@ BABYLON.Effect.ShadersStore['skyPixelShader'] = "precision highp float;\n\nvaryi
 
 var BABYLON;
 (function (BABYLON) {
-    var GridMaterialDefines = /** @class */ (function (_super) {
+    var GridMaterialDefines = (function (_super) {
         __extends(GridMaterialDefines, _super);
         function GridMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -3769,7 +3769,7 @@ var BABYLON;
      * The grid materials allows you to wrap any shape with a grid.
      * Colors are customizable.
      */
-    var GridMaterial = /** @class */ (function (_super) {
+    var GridMaterial = (function (_super) {
         __extends(GridMaterial, _super);
         /**
          * constructor
@@ -3947,7 +3947,7 @@ BABYLON.Effect.ShadersStore['gridPixelShader'] = "#extension GL_OES_standard_der
 var BABYLON;
 (function (BABYLON) {
     // old version of standard material updated every 3 months
-    var StandardMaterialDefines_OldVer = /** @class */ (function (_super) {
+    var StandardMaterialDefines_OldVer = (function (_super) {
         __extends(StandardMaterialDefines_OldVer, _super);
         function StandardMaterialDefines_OldVer() {
             var _this = _super.call(this) || this;
@@ -4040,7 +4040,7 @@ var BABYLON;
         return StandardMaterialDefines_OldVer;
     }(BABYLON.MaterialDefines));
     BABYLON.StandardMaterialDefines_OldVer = StandardMaterialDefines_OldVer;
-    var StandardMaterial_OldVer = /** @class */ (function (_super) {
+    var StandardMaterial_OldVer = (function (_super) {
         __extends(StandardMaterial_OldVer, _super);
         function StandardMaterial_OldVer(name, scene) {
             var _this = _super.call(this, name, scene) || this;
@@ -5311,19 +5311,19 @@ var BABYLON;
         return StandardMaterial_OldVer;
     }(BABYLON.PushMaterial));
     BABYLON.StandardMaterial_OldVer = StandardMaterial_OldVer;
-    var CustomShaderStructure = /** @class */ (function () {
+    var CustomShaderStructure = (function () {
         function CustomShaderStructure() {
         }
         return CustomShaderStructure;
     }());
     BABYLON.CustomShaderStructure = CustomShaderStructure;
-    var ShaderSpecialParts = /** @class */ (function () {
+    var ShaderSpecialParts = (function () {
         function ShaderSpecialParts() {
         }
         return ShaderSpecialParts;
     }());
     BABYLON.ShaderSpecialParts = ShaderSpecialParts;
-    var ShaderForVer3_0 = /** @class */ (function (_super) {
+    var ShaderForVer3_0 = (function (_super) {
         __extends(ShaderForVer3_0, _super);
         function ShaderForVer3_0() {
             var _this = _super.call(this) || this;
@@ -5824,14 +5824,14 @@ vColor=color;\n\
         return ShaderForVer3_0;
     }(CustomShaderStructure));
     BABYLON.ShaderForVer3_0 = ShaderForVer3_0;
-    var StandardShaderVersions = /** @class */ (function () {
+    var StandardShaderVersions = (function () {
         function StandardShaderVersions() {
         }
         StandardShaderVersions.Ver3_0 = "3.0.0";
         return StandardShaderVersions;
     }());
     BABYLON.StandardShaderVersions = StandardShaderVersions;
-    var CustomMaterial = /** @class */ (function (_super) {
+    var CustomMaterial = (function (_super) {
         __extends(CustomMaterial, _super);
         function CustomMaterial(name, scene) {
             var _this = _super.call(this, name, scene) || this;
@@ -5991,7 +5991,7 @@ vColor=color;\n\
 
 var BABYLON;
 (function (BABYLON) {
-    var CellMaterialDefines = /** @class */ (function (_super) {
+    var CellMaterialDefines = (function (_super) {
         __extends(CellMaterialDefines, _super);
         function CellMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -6017,7 +6017,7 @@ var BABYLON;
         }
         return CellMaterialDefines;
     }(BABYLON.MaterialDefines));
-    var CellMaterial = /** @class */ (function (_super) {
+    var CellMaterial = (function (_super) {
         __extends(CellMaterial, _super);
         function CellMaterial(name, scene) {
             var _this = _super.call(this, name, scene) || this;
@@ -6269,7 +6269,7 @@ BABYLON.Effect.ShadersStore['cellPixelShader'] = "precision highp float;\n\nunif
 
 var BABYLON;
 (function (BABYLON) {
-    var LegacyPBRMaterialDefines = /** @class */ (function (_super) {
+    var LegacyPBRMaterialDefines = (function (_super) {
         __extends(LegacyPBRMaterialDefines, _super);
         function LegacyPBRMaterialDefines() {
             var _this = _super.call(this) || this;
@@ -6362,7 +6362,7 @@ var BABYLON;
      * For more information, please refer to the documentation :
      * http://doc.babylonjs.com/extensions/Physically_Based_Rendering
      */
-    var LegacyPBRMaterial = /** @class */ (function (_super) {
+    var LegacyPBRMaterial = (function (_super) {
         __extends(LegacyPBRMaterial, _super);
         /**
          * Instantiates a new PBRMaterial instance.

dist/preview release/postProcessesLibrary/babylon.asciiArtPostProcess.js

@@ -23,7 +23,7 @@ var BABYLON;
      * It basically takes care rendering the font front the given font size to a texture.
      * This is used later on in the postprocess.
      */
-    var AsciiArtFontTexture = /** @class */ (function (_super) {
+    var AsciiArtFontTexture = (function (_super) {
         __extends(AsciiArtFontTexture, _super);
         /**
          * Create a new instance of the Ascii Art FontTexture class
@@ -160,7 +160,7 @@ var BABYLON;
      * Simmply add it to your scene and let the nerd that lives in you have fun.
      * Example usage: var pp = new AsciiArtPostProcess("myAscii", "20px Monospace", camera);
      */
-    var AsciiArtPostProcess = /** @class */ (function (_super) {
+    var AsciiArtPostProcess = (function (_super) {
         __extends(AsciiArtPostProcess, _super);
         /**
          * Instantiates a new Ascii Art Post Process.

dist/preview release/postProcessesLibrary/babylon.digitalRainPostProcess.js

@@ -23,7 +23,7 @@ var BABYLON;
      * It basically takes care rendering the font front the given font size to a texture.
      * This is used later on in the postprocess.
      */
-    var DigitalRainFontTexture = /** @class */ (function (_super) {
+    var DigitalRainFontTexture = (function (_super) {
         __extends(DigitalRainFontTexture, _super);
         /**
          * Create a new instance of the Digital Rain FontTexture class
@@ -160,7 +160,7 @@ var BABYLON;
      * Simmply add it to your scene and let the nerd that lives in you have fun.
      * Example usage: var pp = new DigitalRainPostProcess("digitalRain", "20px Monospace", camera);
      */
-    var DigitalRainPostProcess = /** @class */ (function (_super) {
+    var DigitalRainPostProcess = (function (_super) {
         __extends(DigitalRainPostProcess, _super);
         /**
          * Instantiates a new Digital Rain Post Process.

dist/preview release/postProcessesLibrary/babylonjs.postProcess.js

@@ -27,7 +27,7 @@ var BABYLON;
      * It basically takes care rendering the font front the given font size to a texture.
      * This is used later on in the postprocess.
      */
-    var AsciiArtFontTexture = /** @class */ (function (_super) {
+    var AsciiArtFontTexture = (function (_super) {
         __extends(AsciiArtFontTexture, _super);
         /**
          * Create a new instance of the Ascii Art FontTexture class
@@ -164,7 +164,7 @@ var BABYLON;
      * Simmply add it to your scene and let the nerd that lives in you have fun.
      * Example usage: var pp = new AsciiArtPostProcess("myAscii", "20px Monospace", camera);
      */
-    var AsciiArtPostProcess = /** @class */ (function (_super) {
+    var AsciiArtPostProcess = (function (_super) {
         __extends(AsciiArtPostProcess, _super);
         /**
          * Instantiates a new Ascii Art Post Process.
@@ -231,7 +231,7 @@ var BABYLON;
      * It basically takes care rendering the font front the given font size to a texture.
      * This is used later on in the postprocess.
      */
-    var DigitalRainFontTexture = /** @class */ (function (_super) {
+    var DigitalRainFontTexture = (function (_super) {
         __extends(DigitalRainFontTexture, _super);
         /**
          * Create a new instance of the Digital Rain FontTexture class
@@ -368,7 +368,7 @@ var BABYLON;
      * Simmply add it to your scene and let the nerd that lives in you have fun.
      * Example usage: var pp = new DigitalRainPostProcess("digitalRain", "20px Monospace", camera);
      */
-    var DigitalRainPostProcess = /** @class */ (function (_super) {
+    var DigitalRainPostProcess = (function (_super) {
         __extends(DigitalRainPostProcess, _super);
         /**
          * Instantiates a new Digital Rain Post Process.

dist/preview release/proceduralTexturesLibrary/babylon.brickProceduralTexture.js

@@ -11,7 +11,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var BABYLON;
 (function (BABYLON) {
-    var BrickProceduralTexture = /** @class */ (function (_super) {
+    var BrickProceduralTexture = (function (_super) {
         __extends(BrickProceduralTexture, _super);
         function BrickProceduralTexture(name, size, scene, fallbackTexture, generateMipMaps) {
             var _this = _super.call(this, name, size, "brickProceduralTexture", scene, fallbackTexture, generateMipMaps) || this;

dist/preview release/proceduralTexturesLibrary/babylon.cloudProceduralTexture.js

@@ -11,7 +11,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var BABYLON;
 (function (BABYLON) {
-    var CloudProceduralTexture = /** @class */ (function (_super) {
+    var CloudProceduralTexture = (function (_super) {
         __extends(CloudProceduralTexture, _super);
         function CloudProceduralTexture(name, size, scene, fallbackTexture, generateMipMaps) {
             var _this = _super.call(this, name, size, "cloudProceduralTexture", scene, fallbackTexture, generateMipMaps) || this;

dist/preview release/proceduralTexturesLibrary/babylon.fireProceduralTexture.js

@@ -11,7 +11,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var BABYLON;
 (function (BABYLON) {
-    var FireProceduralTexture = /** @class */ (function (_super) {
+    var FireProceduralTexture = (function (_super) {
         __extends(FireProceduralTexture, _super);
         function FireProceduralTexture(name, size, scene, fallbackTexture, generateMipMaps) {
             var _this = _super.call(this, name, size, "fireProceduralTexture", scene, fallbackTexture, generateMipMaps) || this;

dist/preview release/proceduralTexturesLibrary/babylon.grassProceduralTexture.js

@@ -11,7 +11,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var BABYLON;
 (function (BABYLON) {
-    var GrassProceduralTexture = /** @class */ (function (_super) {
+    var GrassProceduralTexture = (function (_super) {
         __extends(GrassProceduralTexture, _super);
         function GrassProceduralTexture(name, size, scene, fallbackTexture, generateMipMaps) {
             var _this = _super.call(this, name, size, "grassProceduralTexture", scene, fallbackTexture, generateMipMaps) || this;

dist/preview release/proceduralTexturesLibrary/babylon.marbleProceduralTexture.js

@@ -11,7 +11,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var BABYLON;
 (function (BABYLON) {
-    var MarbleProceduralTexture = /** @class */ (function (_super) {
+    var MarbleProceduralTexture = (function (_super) {
         __extends(MarbleProceduralTexture, _super);
         function MarbleProceduralTexture(name, size, scene, fallbackTexture, generateMipMaps) {
             var _this = _super.call(this, name, size, "marbleProceduralTexture", scene, fallbackTexture, generateMipMaps) || this;

dist/preview release/proceduralTexturesLibrary/babylon.normalMapProceduralTexture.js

@@ -11,7 +11,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var BABYLON;
 (function (BABYLON) {
-    var NormalMapProceduralTexture = /** @class */ (function (_super) {
+    var NormalMapProceduralTexture = (function (_super) {
         __extends(NormalMapProceduralTexture, _super);
         function NormalMapProceduralTexture(name, size, scene, fallbackTexture, generateMipMaps) {
             var _this = _super.call(this, name, size, "normalMapProceduralTexture", scene, fallbackTexture, generateMipMaps) || this;

dist/preview release/proceduralTexturesLibrary/babylon.perlinNoiseProceduralTexture.js

@@ -11,7 +11,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var BABYLON;
 (function (BABYLON) {
-    var PerlinNoiseProceduralTexture = /** @class */ (function (_super) {
+    var PerlinNoiseProceduralTexture = (function (_super) {
         __extends(PerlinNoiseProceduralTexture, _super);
         function PerlinNoiseProceduralTexture(name, size, scene, fallbackTexture, generateMipMaps) {
             var _this = _super.call(this, name, size, "perlinNoiseProceduralTexture", scene, fallbackTexture, generateMipMaps) || this;

dist/preview release/proceduralTexturesLibrary/babylon.roadProceduralTexture.js

@@ -11,7 +11,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var BABYLON;
 (function (BABYLON) {
-    var RoadProceduralTexture = /** @class */ (function (_super) {
+    var RoadProceduralTexture = (function (_super) {
         __extends(RoadProceduralTexture, _super);
         function RoadProceduralTexture(name, size, scene, fallbackTexture, generateMipMaps) {
             var _this = _super.call(this, name, size, "roadProceduralTexture", scene, fallbackTexture, generateMipMaps) || this;

dist/preview release/proceduralTexturesLibrary/babylon.starfieldProceduralTexture.js

@@ -11,7 +11,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var BABYLON;
 (function (BABYLON) {
-    var StarfieldProceduralTexture = /** @class */ (function (_super) {
+    var StarfieldProceduralTexture = (function (_super) {
         __extends(StarfieldProceduralTexture, _super);
         function StarfieldProceduralTexture(name, size, scene, fallbackTexture, generateMipMaps) {
             var _this = _super.call(this, name, size, "starfieldProceduralTexture", scene, fallbackTexture, generateMipMaps) || this;

dist/preview release/proceduralTexturesLibrary/babylon.woodProceduralTexture.js

@@ -11,7 +11,7 @@ var __extends = (this && this.__extends) || (function () {
 })();
 var BABYLON;
 (function (BABYLON) {
-    var WoodProceduralTexture = /** @class */ (function (_super) {
+    var WoodProceduralTexture = (function (_super) {
         __extends(WoodProceduralTexture, _super);
         function WoodProceduralTexture(name, size, scene, fallbackTexture, generateMipMaps) {
             var _this = _super.call(this, name, size, "woodProceduralTexture", scene, fallbackTexture, generateMipMaps) || this;

dist/preview release/proceduralTexturesLibrary/babylonjs.proceduralTextures.js

@@ -20,7 +20,7 @@ var __extends = (this && this.__extends) || (function () {
 
 var BABYLON;
 (function (BABYLON) {
-    var WoodProceduralTexture = /** @class */ (function (_super) {
+    var WoodProceduralTexture = (function (_super) {
         __extends(WoodProceduralTexture, _super);
         function WoodProceduralTexture(name, size, scene, fallbackTexture, generateMipMaps) {
             var _this = _super.call(this, name, size, "woodProceduralTexture", scene, fallbackTexture, generateMipMaps) || this;
@@ -68,7 +68,7 @@ BABYLON.Effect.ShadersStore['woodProceduralTexturePixelShader'] = "precision hig
 
 var BABYLON;
 (function (BABYLON) {
-    var FireProceduralTexture = /** @class */ (function (_super) {
+    var FireProceduralTexture = (function (_super) {
         __extends(FireProceduralTexture, _super);
         function FireProceduralTexture(name, size, scene, fallbackTexture, generateMipMaps) {
             var _this = _super.call(this, name, size, "fireProceduralTexture", scene, fallbackTexture, generateMipMaps) || this;
@@ -211,7 +211,7 @@ BABYLON.Effect.ShadersStore['fireProceduralTexturePixelShader'] = "precision hig
 
 var BABYLON;
 (function (BABYLON) {
-    var CloudProceduralTexture = /** @class */ (function (_super) {
+    var CloudProceduralTexture = (function (_super) {
         __extends(CloudProceduralTexture, _super);
         function CloudProceduralTexture(name, size, scene, fallbackTexture, generateMipMaps) {
             var _this = _super.call(this, name, size, "cloudProceduralTexture", scene, fallbackTexture, generateMipMaps) || this;
@@ -259,7 +259,7 @@ BABYLON.Effect.ShadersStore['cloudProceduralTexturePixelShader'] = "precision hi
 
 var BABYLON;
 (function (BABYLON) {
-    var GrassProceduralTexture = /** @class */ (function (_super) {
+    var GrassProceduralTexture = (function (_super) {
         __extends(GrassProceduralTexture, _super);
         function GrassProceduralTexture(name, size, scene, fallbackTexture, generateMipMaps) {
             var _this = _super.call(this, name, size, "grassProceduralTexture", scene, fallbackTexture, generateMipMaps) || this;
@@ -313,7 +313,7 @@ BABYLON.Effect.ShadersStore['grassProceduralTexturePixelShader'] = "precision hi
 
 var BABYLON;
 (function (BABYLON) {
-    var RoadProceduralTexture = /** @class */ (function (_super) {
+    var RoadProceduralTexture = (function (_super) {
         __extends(RoadProceduralTexture, _super);
         function RoadProceduralTexture(name, size, scene, fallbackTexture, generateMipMaps) {
             var _this = _super.call(this, name, size, "roadProceduralTexture", scene, fallbackTexture, generateMipMaps) || this;
@@ -348,7 +348,7 @@ BABYLON.Effect.ShadersStore['roadProceduralTexturePixelShader'] = "precision hig
 
 var BABYLON;
 (function (BABYLON) {
-    var BrickProceduralTexture = /** @class */ (function (_super) {
+    var BrickProceduralTexture = (function (_super) {
         __extends(BrickProceduralTexture, _super);
         function BrickProceduralTexture(name, size, scene, fallbackTexture, generateMipMaps) {
             var _this = _super.call(this, name, size, "brickProceduralTexture", scene, fallbackTexture, generateMipMaps) || this;
@@ -422,7 +422,7 @@ BABYLON.Effect.ShadersStore['brickProceduralTexturePixelShader'] = "precision hi
 
 var BABYLON;
 (function (BABYLON) {
-    var MarbleProceduralTexture = /** @class */ (function (_super) {
+    var MarbleProceduralTexture = (function (_super) {
         __extends(MarbleProceduralTexture, _super);
         function MarbleProceduralTexture(name, size, scene, fallbackTexture, generateMipMaps) {
             var _this = _super.call(this, name, size, "marbleProceduralTexture", scene, fallbackTexture, generateMipMaps) || this;
@@ -496,7 +496,7 @@ BABYLON.Effect.ShadersStore['marbleProceduralTexturePixelShader'] = "precision h
 
 var BABYLON;
 (function (BABYLON) {
-    var StarfieldProceduralTexture = /** @class */ (function (_super) {
+    var StarfieldProceduralTexture = (function (_super) {
         __extends(StarfieldProceduralTexture, _super);
         function StarfieldProceduralTexture(name, size, scene, fallbackTexture, generateMipMaps) {
             var _this = _super.call(this, name, size, "starfieldProceduralTexture", scene, fallbackTexture, generateMipMaps) || this;
@@ -661,7 +661,7 @@ BABYLON.Effect.ShadersStore['starfieldProceduralTexturePixelShader'] = "precisio
 
 var BABYLON;
 (function (BABYLON) {
-    var NormalMapProceduralTexture = /** @class */ (function (_super) {
+    var NormalMapProceduralTexture = (function (_super) {
         __extends(NormalMapProceduralTexture, _super);
         function NormalMapProceduralTexture(name, size, scene, fallbackTexture, generateMipMaps) {
             var _this = _super.call(this, name, size, "normalMapProceduralTexture", scene, fallbackTexture, generateMipMaps) || this;
@@ -704,7 +704,7 @@ BABYLON.Effect.ShadersStore['normalMapProceduralTexturePixelShader'] = "precisio
 
 var BABYLON;
 (function (BABYLON) {
-    var PerlinNoiseProceduralTexture = /** @class */ (function (_super) {
+    var PerlinNoiseProceduralTexture = (function (_super) {
         __extends(PerlinNoiseProceduralTexture, _super);
         function PerlinNoiseProceduralTexture(name, size, scene, fallbackTexture, generateMipMaps) {
             var _this = _super.call(this, name, size, "perlinNoiseProceduralTexture", scene, fallbackTexture, generateMipMaps) || this;

dist/preview release/serializers/babylon.objSerializer.js

@@ -1,7 +1,7 @@
 /// <reference path="../../../dist/preview release/babylon.d.ts"/>
 var BABYLON;
 (function (BABYLON) {
-    var OBJExport = /** @class */ (function () {
+    var OBJExport = (function () {
         function OBJExport() {
         }
         //Exports the geometrys of a Mesh array in .OBJ file format (text)

dist/preview release/serializers/babylonjs.serializers.js

@@ -19,7 +19,7 @@ var __extends = (this && this.__extends) || (function () {
         
 var BABYLON;
 (function (BABYLON) {
-    var OBJExport = /** @class */ (function () {
+    var OBJExport = (function () {
         function OBJExport() {
         }
         //Exports the geometrys of a Mesh array in .OBJ file format (text)

dist/preview release/what's new.md

@@ -43,3 +43,4 @@
 
 ## Breaking changes
 - `Gamepads` was removed in favor of `scene.gamepadManager`
+- `DynamicFloatArray`, `MapTexture` and `RectPakingMap` were removed because there were not used anymore

inspector/src/properties.ts

@@ -75,9 +75,6 @@ module INSPECTOR {
             ],
             format: (tex: BABYLON.Texture) => { return tex.name }
         },
-        'MapTexture': {
-            type: BABYLON.MapTexture
-        },
         'RenderTargetTexture': {
             type: BABYLON.RenderTargetTexture
         },

inspector/src/tabs/TextureTab.ts

@@ -85,14 +85,7 @@ module INSPECTOR {
                 imgs.push(Helpers.CreateElement('img', 'texture-image', this._imagePanel) as HTMLImageElement);
             }
             
-            if (texture instanceof BABYLON.MapTexture) {
-                // instance of Map texture
-                texture.bindTextureForPosSize(new BABYLON.Vector2(0, 0), new BABYLON.Size(texture.getSize().width, texture.getSize().height), false);
-                BABYLON.Tools.DumpFramebuffer(texture.getSize().width, texture.getSize().height, this._inspector.scene.getEngine(), (data) => img.src = data);
-                texture.unbindTexture();
-
-            }
-            else if (texture instanceof BABYLON.RenderTargetTexture) {
+            if (texture instanceof BABYLON.RenderTargetTexture) {
                 // RenderTarget textures
                 let scene = this._inspector.scene;
                 let engine = scene.getEngine();

src/Actions/babylon.actionManager.ts

@@ -415,7 +415,7 @@
             return root;
         }
 
-        public static Parse(parsedActions: any, object: AbstractMesh, scene: Scene) {
+        public static Parse(parsedActions: any, object: Nullable<AbstractMesh>, scene: Scene) {
             var actionManager = new BABYLON.ActionManager(scene);
             if (object === null)
                 scene.actionManager = actionManager;

src/Behaviors/Cameras/babylon.autoRotationBehavior.ts

@@ -73,8 +73,8 @@ module BABYLON {
 		}
         
         // Default behavior functions
-        private _onPrePointerObservableObserver: Observer<PointerInfoPre>;
-        private _onAfterCheckInputsObserver: Observer<Camera>;
+        private _onPrePointerObservableObserver: Nullable<Observer<PointerInfoPre>>;
+        private _onAfterCheckInputsObserver: Nullable<Observer<Camera>>;
         private _attachedCamera: Nullable<ArcRotateCamera>;
         private _isPointerDown = false;
         private _lastFrameTime: Nullable<number> = null;
@@ -123,8 +123,11 @@ module BABYLON {
 				return;
 			}
             let scene = this._attachedCamera.getScene();
-            
-            scene.onPrePointerObservable.remove(this._onPrePointerObservableObserver);
+			
+			if (this._onPrePointerObservableObserver) {
+				scene.onPrePointerObservable.remove(this._onPrePointerObservableObserver);
+			}
+			
 			this._attachedCamera.onAfterCheckInputsObservable.remove(this._onAfterCheckInputsObserver);
 			this._attachedCamera = null;
 		}

src/Behaviors/Cameras/babylon.bouncingBehavior.ts

@@ -76,8 +76,8 @@ module BABYLON {
         
         // Connection
         private _attachedCamera: Nullable<ArcRotateCamera>;
-		private _onAfterCheckInputsObserver: Observer<Camera>;	
-		private _onMeshTargetChangedObserver: Observer<AbstractMesh>;
+		private _onAfterCheckInputsObserver: Nullable<Observer<Camera>>;	
+		private _onMeshTargetChangedObserver: Nullable<Observer<AbstractMesh>>;
         public attach(camera: ArcRotateCamera): void {
             this._attachedCamera = camera;
             this._onAfterCheckInputsObserver = camera.onAfterCheckInputsObservable.add(() => {
@@ -101,7 +101,9 @@ module BABYLON {
 			if (!this._attachedCamera) {
 				return;
 			}			
-			this._attachedCamera.onAfterCheckInputsObservable.remove(this._onAfterCheckInputsObserver);
+			if (this._onAfterCheckInputsObserver) {
+				this._attachedCamera.onAfterCheckInputsObservable.remove(this._onAfterCheckInputsObserver);
+			}
 			if (this._onMeshTargetChangedObserver) {
 				this._attachedCamera.onMeshTargetChangedObservable.remove(this._onMeshTargetChangedObserver);
 			}
@@ -119,7 +121,7 @@ module BABYLON {
 		 * @param radiusLimit The limit to check against.
 		 * @return Bool to indicate if at limit.
 		 */
-		private _isRadiusAtLimit(radiusLimit: number): boolean {
+		private _isRadiusAtLimit(radiusLimit: Nullable<number>): boolean {
 			if (!this._attachedCamera) {
 				return false;
 			}

src/Behaviors/Cameras/babylon.framingBehavior.ts

@@ -140,9 +140,9 @@ module BABYLON {
 		}        
         
         // Default behavior functions
-        private _onPrePointerObservableObserver: Observer<PointerInfoPre>;
-		private _onAfterCheckInputsObserver: Observer<Camera>;
-		private _onMeshTargetChangedObserver: Observer<AbstractMesh>;
+        private _onPrePointerObservableObserver: Nullable<Observer<PointerInfoPre>>;
+		private _onAfterCheckInputsObserver: Nullable<Observer<Camera>>;
+		private _onMeshTargetChangedObserver: Nullable<Observer<AbstractMesh>>;
         private _attachedCamera: Nullable<ArcRotateCamera>;
         private _isPointerDown = false;
         private _lastInteractionTime = -Infinity;
@@ -186,10 +186,18 @@ module BABYLON {
 			}
 
             let scene = this._attachedCamera.getScene();
-            
-            scene.onPrePointerObservable.remove(this._onPrePointerObservableObserver);
-			this._attachedCamera.onAfterCheckInputsObservable.remove(this._onAfterCheckInputsObserver);
-			this._attachedCamera.onMeshTargetChangedObservable.remove(this._onMeshTargetChangedObserver);
+			
+			if (this._onPrePointerObservableObserver) {
+				scene.onPrePointerObservable.remove(this._onPrePointerObservableObserver);
+			}
+
+			if (this._onAfterCheckInputsObserver) {
+				this._attachedCamera.onAfterCheckInputsObservable.remove(this._onAfterCheckInputsObserver);
+			}
+
+			if (this._onMeshTargetChangedObserver) {
+				this._attachedCamera.onMeshTargetChangedObservable.remove(this._onMeshTargetChangedObserver);
+			}
 
 			this._attachedCamera = null;
         }

src/Cameras/Inputs/babylon.arcRotateCameraGamepadInput.ts

@@ -3,8 +3,8 @@ module BABYLON {
         camera: ArcRotateCamera;
 
         public gamepad: Nullable<Gamepad>;
-        private _onGamepadConnectedObserver : Observer<Gamepad>;
-        private _onGamepadDisconnectedObserver : Observer<Gamepad>;
+        private _onGamepadConnectedObserver : Nullable<Observer<Gamepad>>;
+        private _onGamepadDisconnectedObserver : Nullable<Observer<Gamepad>>;
 
         @serialize()
         public gamepadRotationSensibility = 80;

src/Cameras/Inputs/babylon.freeCameraGamepadInput.ts

@@ -3,8 +3,8 @@ module BABYLON {
         camera: FreeCamera;
 
         public gamepad: Nullable<Gamepad>;        
-        private _onGamepadConnectedObserver : Observer<Gamepad>;
-        private _onGamepadDisconnectedObserver : Observer<Gamepad>;
+        private _onGamepadConnectedObserver : Nullable<Observer<Gamepad>>;
+        private _onGamepadDisconnectedObserver : Nullable<Observer<Gamepad>>;
 
         @serialize()
         public gamepadAngularSensibility = 200;

src/Cameras/VR/babylon.webVRCamera.ts

@@ -326,8 +326,8 @@ module BABYLON {
             return this._projectionMatrix;
         }
 
-        private _onGamepadConnectedObserver: Observer<Gamepad>;
-        private _onGamepadDisconnectedObserver: Observer<Gamepad>;
+        private _onGamepadConnectedObserver: Nullable<Observer<Gamepad>>;
+        private _onGamepadDisconnectedObserver: Nullable<Observer<Gamepad>>;
 
         public initControllers() {
             this.controllers = [];

src/Collisions/babylon.pickingInfo.ts

@@ -3,7 +3,7 @@
         public faceId = 0;
         public subMeshId = 0;
 
-        constructor(public bu: number, public bv: number, public distance: number) {
+        constructor(public bu: Nullable<number>, public bv: Nullable<number>, public distance: number) {
         }
     }
 
@@ -25,10 +25,15 @@
             }
 
             var indices = this.pickedMesh.getIndices();
+
+            if (!indices) {
+                return null;
+            }
+
             var result: Vector3;
 
             if (useVerticesNormals) {
-                var normals = this.pickedMesh.getVerticesData(VertexBuffer.NormalKind);
+                var normals = (<number[] | Float32Array>this.pickedMesh.getVerticesData(VertexBuffer.NormalKind));
 
                 var normal0 = Vector3.FromArray(normals, indices[this.faceId * 3] * 3);
                 var normal1 = Vector3.FromArray(normals, indices[this.faceId * 3 + 1] * 3);
@@ -40,7 +45,7 @@
 
                 result = new Vector3(normal0.x + normal1.x + normal2.x, normal0.y + normal1.y + normal2.y, normal0.z + normal1.z + normal2.z);
             } else {
-                var positions = this.pickedMesh.getVerticesData(VertexBuffer.PositionKind);
+                var positions = (<number[] | Float32Array>this.pickedMesh.getVerticesData(VertexBuffer.PositionKind));
 
                 var vertex1 = Vector3.FromArray(positions, indices[this.faceId * 3] * 3);
                 var vertex2 = Vector3.FromArray(positions, indices[this.faceId * 3 + 1] * 3);
@@ -65,7 +70,14 @@
             }
 
             var indices = this.pickedMesh.getIndices();
+            if (!indices) {
+                return null;
+            }
+
             var uvs = this.pickedMesh.getVerticesData(VertexBuffer.UVKind);
+            if (!uvs) {
+                return null;
+            }            
 
             var uv0 = Vector2.FromArray(uvs, indices[this.faceId * 3] * 2);
             var uv1 = Vector2.FromArray(uvs, indices[this.faceId * 3 + 1] * 2);

src/Engine/babylon.engine.ts

@@ -1,5 +1,5 @@
 module BABYLON {
-    var compileShader = (gl: WebGLRenderingContext, source: string, type: string, defines: string, shaderVersion: string): WebGLShader => {
+    var compileShader = (gl: WebGLRenderingContext, source: string, type: string, defines: Nullable<string>, shaderVersion: string): WebGLShader => {
         return compileRawShader(gl, shaderVersion + (defines ? defines + "\n" : "") + source, type);
     };
 
@@ -2424,7 +2424,7 @@
             return this._createShaderProgram(vertexShader, fragmentShader, context);
         }
 
-        public createShaderProgram(vertexCode: string, fragmentCode: string, defines: string, context?: WebGLRenderingContext): WebGLProgram {
+        public createShaderProgram(vertexCode: string, fragmentCode: string, defines: Nullable<string>, context?: WebGLRenderingContext): WebGLProgram {
             context = context || this._gl;
 
             var shaderVersion = (this._webGLVersion > 1) ? "#version 300 es\n" : "";
@@ -2463,7 +2463,7 @@
         }
 
         public getUniforms(shaderProgram: WebGLProgram, uniformsNames: string[]): Nullable<WebGLUniformLocation>[] {
-            var results = [];
+            var results = new Array<Nullable<WebGLUniformLocation>>();
 
             for (var index = 0; index < uniformsNames.length; index++) {
                 results.push(this._gl.getUniformLocation(shaderProgram, uniformsNames[index]));
@@ -2498,161 +2498,161 @@
             effect.onBindObservable.notifyObservers(effect);
         }
 
-        public setIntArray(uniform: WebGLUniformLocation, array: Int32Array): void {
+        public setIntArray(uniform: Nullable<WebGLUniformLocation>, array: Int32Array): void {
             if (!uniform)
                 return;
 
             this._gl.uniform1iv(uniform, array);
         }
 
-        public setIntArray2(uniform: WebGLUniformLocation, array: Int32Array): void {
+        public setIntArray2(uniform: Nullable<WebGLUniformLocation>, array: Int32Array): void {
             if (!uniform || array.length % 2 !== 0)
                 return;
 
             this._gl.uniform2iv(uniform, array);
         }
 
-        public setIntArray3(uniform: WebGLUniformLocation, array: Int32Array): void {
+        public setIntArray3(uniform: Nullable<WebGLUniformLocation>, array: Int32Array): void {
             if (!uniform || array.length % 3 !== 0)
                 return;
 
             this._gl.uniform3iv(uniform, array);
         }
 
-        public setIntArray4(uniform: WebGLUniformLocation, array: Int32Array): void {
+        public setIntArray4(uniform: Nullable<WebGLUniformLocation>, array: Int32Array): void {
             if (!uniform || array.length % 4 !== 0)
                 return;
 
             this._gl.uniform4iv(uniform, array);
         }
 
-        public setFloatArray(uniform: WebGLUniformLocation, array: Float32Array): void {
+        public setFloatArray(uniform: Nullable<WebGLUniformLocation>, array: Float32Array): void {
             if (!uniform)
                 return;
 
             this._gl.uniform1fv(uniform, array);
         }
 
-        public setFloatArray2(uniform: WebGLUniformLocation, array: Float32Array): void {
+        public setFloatArray2(uniform: Nullable<WebGLUniformLocation>, array: Float32Array): void {
             if (!uniform || array.length % 2 !== 0)
                 return;
 
             this._gl.uniform2fv(uniform, array);
         }
 
-        public setFloatArray3(uniform: WebGLUniformLocation, array: Float32Array): void {
+        public setFloatArray3(uniform: Nullable<WebGLUniformLocation>, array: Float32Array): void {
             if (!uniform || array.length % 3 !== 0)
                 return;
 
             this._gl.uniform3fv(uniform, array);
         }
 
-        public setFloatArray4(uniform: WebGLUniformLocation, array: Float32Array): void {
+        public setFloatArray4(uniform: Nullable<WebGLUniformLocation>, array: Float32Array): void {
             if (!uniform || array.length % 4 !== 0)
                 return;
 
             this._gl.uniform4fv(uniform, array);
         }
 
-        public setArray(uniform: WebGLUniformLocation, array: number[]): void {
+        public setArray(uniform: Nullable<WebGLUniformLocation>, array: number[]): void {
             if (!uniform)
                 return;
 
             this._gl.uniform1fv(uniform, <any>array);
         }
 
-        public setArray2(uniform: WebGLUniformLocation, array: number[]): void {
+        public setArray2(uniform: Nullable<WebGLUniformLocation>, array: number[]): void {
             if (!uniform || array.length % 2 !== 0)
                 return;
 
             this._gl.uniform2fv(uniform, <any>array);
         }
 
-        public setArray3(uniform: WebGLUniformLocation, array: number[]): void {
+        public setArray3(uniform: Nullable<WebGLUniformLocation>, array: number[]): void {
             if (!uniform || array.length % 3 !== 0)
                 return;
 
             this._gl.uniform3fv(uniform, <any>array);
         }
 
-        public setArray4(uniform: WebGLUniformLocation, array: number[]): void {
+        public setArray4(uniform: Nullable<WebGLUniformLocation>, array: number[]): void {
             if (!uniform || array.length % 4 !== 0)
                 return;
 
             this._gl.uniform4fv(uniform, <any>array);
         }
 
-        public setMatrices(uniform: WebGLUniformLocation, matrices: Float32Array): void {
+        public setMatrices(uniform: Nullable<WebGLUniformLocation>, matrices: Float32Array): void {
             if (!uniform)
                 return;
 
             this._gl.uniformMatrix4fv(uniform, false, matrices);
         }
 
-        public setMatrix(uniform: WebGLUniformLocation, matrix: Matrix): void {
+        public setMatrix(uniform: Nullable<WebGLUniformLocation>, matrix: Matrix): void {
             if (!uniform)
                 return;
 
             this._gl.uniformMatrix4fv(uniform, false, matrix.toArray());
         }
 
-        public setMatrix3x3(uniform: WebGLUniformLocation, matrix: Float32Array): void {
+        public setMatrix3x3(uniform: Nullable<WebGLUniformLocation>, matrix: Float32Array): void {
             if (!uniform)
                 return;
 
             this._gl.uniformMatrix3fv(uniform, false, matrix);
         }
 
-        public setMatrix2x2(uniform: WebGLUniformLocation, matrix: Float32Array): void {
+        public setMatrix2x2(uniform: Nullable<WebGLUniformLocation>, matrix: Float32Array): void {
             if (!uniform)
                 return;
 
             this._gl.uniformMatrix2fv(uniform, false, matrix);
         }
 
-        public setFloat(uniform: WebGLUniformLocation, value: number): void {
+        public setFloat(uniform: Nullable<WebGLUniformLocation>, value: number): void {
             if (!uniform)
                 return;
 
             this._gl.uniform1f(uniform, value);
         }
 
-        public setFloat2(uniform: WebGLUniformLocation, x: number, y: number): void {
+        public setFloat2(uniform: Nullable<WebGLUniformLocation>, x: number, y: number): void {
             if (!uniform)
                 return;
 
             this._gl.uniform2f(uniform, x, y);
         }
 
-        public setFloat3(uniform: WebGLUniformLocation, x: number, y: number, z: number): void {
+        public setFloat3(uniform: Nullable<WebGLUniformLocation>, x: number, y: number, z: number): void {
             if (!uniform)
                 return;
 
             this._gl.uniform3f(uniform, x, y, z);
         }
 
-        public setBool(uniform: WebGLUniformLocation, bool: number): void {
+        public setBool(uniform: Nullable<WebGLUniformLocation>, bool: number): void {
             if (!uniform)
                 return;
 
             this._gl.uniform1i(uniform, bool);
         }
 
-        public setFloat4(uniform: WebGLUniformLocation, x: number, y: number, z: number, w: number): void {
+        public setFloat4(uniform: Nullable<WebGLUniformLocation>, x: number, y: number, z: number, w: number): void {
             if (!uniform)
                 return;
 
             this._gl.uniform4f(uniform, x, y, z, w);
         }
 
-        public setColor3(uniform: WebGLUniformLocation, color3: Color3): void {
+        public setColor3(uniform: Nullable<WebGLUniformLocation>, color3: Color3): void {
             if (!uniform)
                 return;
 
             this._gl.uniform3f(uniform, color3.r, color3.g, color3.b);
         }
 
-        public setColor4(uniform: WebGLUniformLocation, color3: Color3, alpha: number): void {
+        public setColor4(uniform: Nullable<WebGLUniformLocation>, color3: Color3, alpha: number): void {
             if (!uniform)
                 return;
 
@@ -4300,7 +4300,7 @@
             }
         }
 
-        public setTexture(channel: number, uniform: WebGLUniformLocation, texture: BaseTexture): void {
+        public setTexture(channel: number, uniform: Nullable<WebGLUniformLocation>, texture: Nullable<BaseTexture>): void {
             if (channel < 0) {
                 return;
             }
@@ -4309,7 +4309,7 @@
             this._setTexture(channel, texture);
         }
 
-        private _setTexture(channel: number, texture: BaseTexture): void {
+        private _setTexture(channel: number, texture: Nullable<BaseTexture>): void {
             // Not ready?
             if (!texture) {
                 if (this._activeTexturesCache[channel] != null) {
@@ -4392,8 +4392,8 @@
             }
         }
 
-        public setTextureArray(channel: number, uniform: WebGLUniformLocation, textures: BaseTexture[]): void {
-            if (channel < 0) {
+        public setTextureArray(channel: number, uniform: Nullable<WebGLUniformLocation>, textures: BaseTexture[]): void {
+            if (channel < 0 || !uniform) {
                 return;
             }
 

src/Events/babylon.pointerEvents.ts

@@ -62,7 +62,7 @@ module BABYLON {
      * The event member is an instance of PointerEvent for all types except PointerWheel and is of type MouseWheelEvent when type equals PointerWheel. The different event types can be found in the PointerEventTypes class.
      */
     export class PointerInfo extends PointerInfoBase {
-        constructor(type: number, event: PointerEvent | MouseWheelEvent, public pickInfo: PickingInfo) {
+        constructor(type: number, event: PointerEvent | MouseWheelEvent, public pickInfo: Nullable<PickingInfo>) {
             super(type, event);
         }
     }    

src/LensFlare/babylon.lensFlare.ts

@@ -1,7 +1,7 @@
 module BABYLON {
     export class LensFlare {
         public color: Color3;
-        public texture: Texture;
+        public texture: Nullable<Texture>;
         public alphaMode: number = Engine.ALPHA_ONEONE;
 
         private _system: LensFlareSystem;

src/LensFlare/babylon.lensFlareSystem.ts

@@ -9,8 +9,8 @@
 
         private _scene: Scene;
         private _emitter: any;
-        private _vertexBuffers: { [key: string]: VertexBuffer } = {};
-        private _indexBuffer: WebGLBuffer;
+        private _vertexBuffers: { [key: string]: Nullable<VertexBuffer> } = {};
+        private _indexBuffer: Nullable<WebGLBuffer>;
         private _effect: Effect;
         private _positionX: number;
         private _positionY: number;
@@ -23,7 +23,7 @@
             this.id = name;
             scene.lensFlareSystems.push(this);
 
-            this.meshesSelectionPredicate = m => m.material && m.isVisible && m.isEnabled() && m.isBlocker && ((m.layerMask & scene.activeCamera.layerMask) != 0);
+            this.meshesSelectionPredicate = m => scene.activeCamera !== null && m.material && m.isVisible && m.isEnabled() && m.isBlocker && ((m.layerMask & scene.activeCamera.layerMask) != 0);
 
             var engine = scene.getEngine();
 
@@ -112,7 +112,7 @@
         }
 
         public _isVisible(): boolean {
-            if (!this._isEnabled) {
+            if (!this._isEnabled || !this._scene.activeCamera) {
                 return false;
             }
 
@@ -124,11 +124,11 @@
             var ray = new Ray(this._scene.activeCamera.globalPosition, direction);
             var pickInfo = this._scene.pickWithRay(ray, this.meshesSelectionPredicate, true);
 
-            return !pickInfo.hit || pickInfo.distance > distance;
+            return !pickInfo || !pickInfo.hit || pickInfo.distance > distance;
         }
 
         public render(): boolean {
-            if (!this._effect.isReady())
+            if (!this._effect.isReady() || !this._scene.activeCamera)
                 return false;
 
             var engine = this._scene.getEngine();
@@ -298,7 +298,7 @@
                     size: flare.size,
                     position: flare.position,
                     color: flare.color.asArray(),
-                    textureName: Tools.GetFilename(flare.texture.name)
+                    textureName: Tools.GetFilename(flare.texture ? flare.texture.name : "")
                 });
             }
 

src/Lights/Shadows/babylon.shadowGenerator.ts

@@ -3,8 +3,8 @@
      * Interface to implement to create a shadow generator compatible with BJS.
      */
     export interface IShadowGenerator {
-        getShadowMap(): RenderTargetTexture;
-        getShadowMapForRendering(): RenderTargetTexture;
+        getShadowMap(): Nullable<RenderTargetTexture>;
+        getShadowMapForRendering(): Nullable<RenderTargetTexture>;
  
         isReady(subMesh: SubMesh, useInstances: boolean): boolean;
 
@@ -250,18 +250,18 @@
             return this;
         }
 
-        private _shadowMap: RenderTargetTexture;
-        private _shadowMap2: RenderTargetTexture;
+        private _shadowMap: Nullable<RenderTargetTexture>;
+        private _shadowMap2: Nullable<RenderTargetTexture>;
         /**
          * Returns a RenderTargetTexture object : the shadow map texture.  
          */
-        public getShadowMap(): RenderTargetTexture {
+        public getShadowMap(): Nullable<RenderTargetTexture> {
             return this._shadowMap;
         }
         /**
          * Returns the most ready computed shadow map as a RenderTargetTexture object.  
          */
-        public getShadowMapForRendering(): RenderTargetTexture {
+        public getShadowMapForRendering(): Nullable<RenderTargetTexture> {
             if (this._shadowMap2) {
                 return this._shadowMap2;
             }
@@ -275,6 +275,14 @@
          * @param includeDescendants boolean indicating if the descendants should be added. Default to true
          */
         public addShadowCaster(mesh: AbstractMesh, includeDescendants = true): ShadowGenerator {
+            if (!this._shadowMap) {
+                return this;
+            }
+
+            if (!this._shadowMap.renderList) {
+                this._shadowMap.renderList = [];
+            }
+
             this._shadowMap.renderList.push(mesh);
 
             if (includeDescendants) {
@@ -290,6 +298,10 @@
          * @param includeDescendants boolean indicating if the descendants should be removed. Default to true
          */
         public removeShadowCaster(mesh: AbstractMesh, includeDescendants = true): ShadowGenerator {
+            if (!this._shadowMap || !this._shadowMap.renderList) {
+                return this;
+            }
+
             var index = this._shadowMap.renderList.indexOf(mesh);
 
             if (index !== -1) {
@@ -333,10 +345,10 @@
         private _cachedDirection: Vector3;
         private _cachedDefines: string;
         private _currentRenderID: number;
-        private _downSamplePostprocess: PassPostProcess;
-        private _boxBlurPostprocess: PostProcess;
-        private _kernelBlurXPostprocess: PostProcess;
-        private _kernelBlurYPostprocess: PostProcess;
+        private _downSamplePostprocess: Nullable<PassPostProcess>;
+        private _boxBlurPostprocess: Nullable<PostProcess>;
+        private _kernelBlurXPostprocess: Nullable<PostProcess>;
+        private _kernelBlurYPostprocess: Nullable<PostProcess>;
         private _blurPostProcesses: PostProcess[];
         private _mapSize: number;
         private _currentFaceIndex = 0;
@@ -420,8 +432,11 @@
                 if (!this._blurPostProcesses) {
                     this._initializeBlurRTTAndPostProcesses();
                 }
+                let shadowMap = this.getShadowMapForRendering();
 
-                this._scene.postProcessManager.directRender(this._blurPostProcesses, this.getShadowMapForRendering().getInternalTexture(), true);
+                if (shadowMap) {
+                    this._scene.postProcessManager.directRender(this._blurPostProcesses, shadowMap.getInternalTexture(), true);
+                }
             });
 
             // Clear according to the chosen filter.
@@ -531,7 +546,9 @@
                 this._effect.setMatrix("viewProjection", this.getTransformMatrix());
                 this._effect.setVector3("lightPosition", this.getLight().position);
                 
-                this._effect.setFloat2("depthValues", this.getLight().getDepthMinZ(scene.activeCamera), this.getLight().getDepthMinZ(scene.activeCamera) + this.getLight().getDepthMaxZ(scene.activeCamera));
+                if (scene.activeCamera) {
+                    this._effect.setFloat2("depthValues", this.getLight().getDepthMinZ(scene.activeCamera), this.getLight().getDepthMinZ(scene.activeCamera) + this.getLight().getDepthMaxZ(scene.activeCamera));
+                }
 
                 // Alpha test
                 if (material && material.needAlphaTesting()) {
@@ -560,11 +577,17 @@
                 }
             } else {
                 // Need to reset refresh rate of the shadowMap
-                this._shadowMap.resetRefreshCounter();
+                if (this._shadowMap) {
+                    this._shadowMap.resetRefreshCounter();
+                }
             }
         }
 
         private _applyFilterValues(): void {
+            if (!this._shadowMap) {
+                return;
+            }
+
             if (this.filter === ShadowGenerator.FILTER_NONE) {
                 this._shadowMap.updateSamplingMode(Texture.NEAREST_SAMPLINGMODE);
             } else {
@@ -576,10 +599,21 @@
          * Force shader compilation including textures ready check
          */
         public forceCompilation(onCompiled: (generator: ShadowGenerator) => void, options?: { useInstances: boolean }): void {
+            let shadowMap = this.getShadowMap();
+            if (!shadowMap) {
+                return;
+            }
+
             var subMeshes = new Array<SubMesh>();
             var currentIndex = 0;
 
-            for(var mesh of this.getShadowMap().renderList) {
+            let renderList = shadowMap.renderList;
+
+            if (!renderList) {
+                return;
+            }
+
+            for(var mesh of renderList) {
                 subMeshes.push(...mesh.subMeshes);
             }
 
@@ -720,12 +754,23 @@
                 return;
             }
 
+            let camera = scene.activeCamera;
+            if (!camera) {
+                return;
+            }
+
+            let shadowMap = this.getShadowMap();
+
+            if (!shadowMap) {
+                return;
+            }
+
             if (!light.needCube()) {
                 effect.setMatrix("lightMatrix" + lightIndex, this.getTransformMatrix());
             } 
             effect.setTexture("shadowSampler" + lightIndex, this.getShadowMapForRendering());
-            light._uniformBuffer.updateFloat4("shadowsInfo", this.getDarkness(), this.blurScale / this.getShadowMap().getSize().width, this.depthScale, this.frustumEdgeFalloff, lightIndex);
-            light._uniformBuffer.updateFloat2("depthValues", this.getLight().getDepthMinZ(scene.activeCamera), this.getLight().getDepthMinZ(scene.activeCamera) + this.getLight().getDepthMaxZ(scene.activeCamera), lightIndex);
+            light._uniformBuffer.updateFloat4("shadowsInfo", this.getDarkness(), this.blurScale / shadowMap.getSize().width, this.depthScale, this.frustumEdgeFalloff, lightIndex);
+            light._uniformBuffer.updateFloat2("depthValues", this.getLight().getDepthMinZ(camera), this.getLight().getDepthMinZ(camera) + this.getLight().getDepthMaxZ(camera), lightIndex);
         }
 
         // Methods
@@ -758,7 +803,15 @@
 
                 Matrix.LookAtLHToRef(lightPosition, lightPosition.add(this._lightDirection), Vector3.Up(), this._viewMatrix);
 
-                this._light.setShadowProjectionMatrix(this._projectionMatrix, this._viewMatrix, this.getShadowMap().renderList);
+                let shadowMap = this.getShadowMap();
+
+                if (shadowMap) {
+                    let renderList =shadowMap.renderList;
+
+                    if (renderList) {
+                        this._light.setShadowProjectionMatrix(this._projectionMatrix, this._viewMatrix, renderList);
+                    }
+                }
 
                 this._viewMatrix.multiplyToRef(this._projectionMatrix, this._transformMatrix);
             }
@@ -767,8 +820,14 @@
         }
 
         public recreateShadowMap(): void {
+            let shadowMap = this._shadowMap;
+
+            if (!shadowMap) {
+                return;                
+            }
+
             // Track render list.
-            var renderList = this._shadowMap.renderList;
+            var renderList = shadowMap.renderList;
             // Clean up existing data.
             this._disposeRTTandPostProcesses();
             // Reinitializes.
@@ -778,7 +837,7 @@
             // Reaffect the filter.
             this._applyFilterValues();
             // Reaffect Render List.
-            this._shadowMap.renderList = renderList;
+            shadowMap.renderList = renderList;
         }
 
         private _disposeBlurPostProcesses(): void {
@@ -807,7 +866,7 @@
                 this._kernelBlurYPostprocess = null;
             }
 
-            this._blurPostProcesses = null;
+            this._blurPostProcesses = [];
         }
 
         private _disposeRTTandPostProcesses(): void {
@@ -826,8 +885,10 @@
         public dispose(): void {
             this._disposeRTTandPostProcesses();
 
-            this._light._shadowGenerator = null;
-            this._light._markMeshesAsLightDirty();
+            if (this._light) {
+                this._light._shadowGenerator = null;
+                this._light._markMeshesAsLightDirty();
+            }
         }
         /**
          * Serializes the ShadowGenerator and returns a serializationObject.  
@@ -836,6 +897,10 @@
             var serializationObject: any = {};
             var shadowMap = this.getShadowMap();
 
+            if (!shadowMap) {
+                return serializationObject;
+            }
+
             serializationObject.lightId = this._light.id;
             serializationObject.mapSize = shadowMap.getRenderSize();
             serializationObject.useExponentialShadowMap = this.useExponentialShadowMap;
@@ -853,10 +918,12 @@
             serializationObject.transparencyShadow = this._transparencyShadow;
 
             serializationObject.renderList = [];
-            for (var meshIndex = 0; meshIndex < shadowMap.renderList.length; meshIndex++) {
-                var mesh = shadowMap.renderList[meshIndex];
+            if (shadowMap.renderList) {
+                for (var meshIndex = 0; meshIndex < shadowMap.renderList.length; meshIndex++) {
+                    var mesh = shadowMap.renderList[meshIndex];
 
-                serializationObject.renderList.push(mesh.id);
+                    serializationObject.renderList.push(mesh.id);
+                }
             }
 
             return serializationObject;
@@ -873,6 +940,12 @@
             for (var meshIndex = 0; meshIndex < parsedShadowGenerator.renderList.length; meshIndex++) {
                 var meshes = scene.getMeshesByID(parsedShadowGenerator.renderList[meshIndex]);
                 meshes.forEach(function (mesh) {
+                    if (!shadowMap) {
+                        return;
+                    }
+                    if (!shadowMap.renderList) {
+                        shadowMap.renderList = [];
+                    }
                     shadowMap.renderList.push(mesh);
                 });
             }

src/Lights/babylon.directionalLight.ts

@@ -84,6 +84,10 @@ module BABYLON {
         protected _setDefaultFixedFrustumShadowProjectionMatrix(matrix: Matrix, viewMatrix: Matrix): void {
             var activeCamera = this.getScene().activeCamera;
 
+            if (!activeCamera) {
+                return;
+            }
+
             Matrix.OrthoLHToRef(this.shadowFrustumSize, this.shadowFrustumSize,
                 this.shadowMinZ !== undefined ? this.shadowMinZ : activeCamera.minZ, this.shadowMaxZ !== undefined ? this.shadowMaxZ : activeCamera.maxZ, matrix);
         }
@@ -95,6 +99,10 @@ module BABYLON {
         protected _setDefaultAutoExtendShadowProjectionMatrix(matrix: Matrix, viewMatrix: Matrix, renderList: Array<AbstractMesh>): void {
             var activeCamera = this.getScene().activeCamera;
 
+            if (!activeCamera) {
+                return;
+            }
+
             // Check extends
             if (this.autoUpdateExtends || this._orthoLeft === Number.MAX_VALUE) {
                 var tempVector3 = Vector3.Zero();

src/Lights/babylon.hemisphericLight.ts

@@ -44,7 +44,7 @@
             return this.direction;
         }
 
-        public getShadowGenerator(): ShadowGenerator {
+        public getShadowGenerator(): Nullable<ShadowGenerator> {
             return null;
         }
 

src/Lights/babylon.light.ts

@@ -237,7 +237,7 @@
         }
 
         private _parentedWorldMatrix: Matrix;
-        public _shadowGenerator: IShadowGenerator;
+        public _shadowGenerator: Nullable<IShadowGenerator>;
         public _excludedMeshesIds = new Array<string>();
         public _includedOnlyMeshesIds = new Array<string>();
 
@@ -302,7 +302,7 @@
         /**
          * Returns the Light associated shadow generator.  
          */
-        public getShadowGenerator(): IShadowGenerator {
+        public getShadowGenerator(): Nullable<IShadowGenerator> {
             return this._shadowGenerator;
         }
 
@@ -426,8 +426,13 @@
         /**
          * Returns a new Light object, named "name", from the current one.  
          */
-        public clone(name: string): Light {
-            return SerializationHelper.Clone(Light.GetConstructorFromName(this.getTypeID(), name, this.getScene()), this);
+        public clone(name: string): Nullable<Light> {
+            let constructor = Light.GetConstructorFromName(this.getTypeID(), name, this.getScene());
+
+            if (!constructor) {
+                return null;
+            }
+            return SerializationHelper.Clone(constructor, this);
         }
         /**
          * Serializes the current light into a Serialization object.  
@@ -470,7 +475,7 @@
          * Creates a new typed light from the passed type (integer) : point light = 0, directional light = 1, spot light = 2, hemispheric light = 3.  
          * This new light is named "name" and added to the passed scene.  
          */
-        static GetConstructorFromName(type: number, name: string, scene: Scene): () => Light {
+        static GetConstructorFromName(type: number, name: string, scene: Scene): Nullable<() => Light> {
             switch (type) {
                 case 0:
                     return () => new PointLight(name, Vector3.Zero(), scene);
@@ -488,8 +493,14 @@
         /**
          * Parses the passed "parsedLight" and returns a new instanced Light from this parsing.  
          */
-        public static Parse(parsedLight: any, scene: Scene): Light {
-            var light = SerializationHelper.Parse(Light.GetConstructorFromName(parsedLight.type, parsedLight.name, scene), parsedLight, scene);
+        public static Parse(parsedLight: any, scene: Scene): Nullable<Light> {
+            let constructor = Light.GetConstructorFromName(parsedLight.type, parsedLight.name, scene);
+
+            if (!constructor) {
+                return null;
+            }
+
+            var light = SerializationHelper.Parse(constructor, parsedLight, scene);
 
             // Inclusion / exclusions
             if (parsedLight.excludedMeshesIds) {

src/Lights/babylon.pointLight.ts

@@ -110,6 +110,11 @@
          */
         protected _setDefaultShadowProjectionMatrix(matrix: Matrix, viewMatrix: Matrix, renderList: Array<AbstractMesh>): void {
             var activeCamera = this.getScene().activeCamera;
+
+            if (!activeCamera) {
+                return;
+            }
+
             Matrix.PerspectiveFovLHToRef(this.shadowAngle, 1.0, 
             this.getDepthMinZ(activeCamera), this.getDepthMaxZ(activeCamera), matrix);
         }

src/Lights/babylon.spotLight.ts

@@ -69,6 +69,10 @@
         protected _setDefaultShadowProjectionMatrix(matrix: Matrix, viewMatrix: Matrix, renderList: Array<AbstractMesh>): void {
             var activeCamera = this.getScene().activeCamera;
 
+            if (!activeCamera) {
+                return;
+            }
+
             this._shadowAngleScale = this._shadowAngleScale || 1;
             var angle = this._shadowAngleScale * this._angle;
             

src/Loading/Plugins/babylon.babylonFileLoader.ts

@@ -54,10 +54,10 @@
                     meshesNames = [meshesNames];
                 }
 
+                var hierarchyIds = new Array<number>();
                 if (parsedData.meshes !== undefined && parsedData.meshes !== null) {
                     var loadedSkeletonsIds = [];
                     var loadedMaterialsIds = [];
-                    var hierarchyIds = new Array<number>();
                     var index: number;
                     var cache: number;
                     for (index = 0, cache = parsedData.meshes.length; index < cache; index++) {
@@ -180,7 +180,7 @@
                         currentMesh = scene.meshes[index];
                         if (currentMesh._waitingParentId) {
                             currentMesh.parent = scene.getLastEntryByID(currentMesh._waitingParentId);
-                            currentMesh._waitingParentId = undefined;
+                            currentMesh._waitingParentId = null;
                         }
                     }
 
@@ -189,7 +189,7 @@
                         currentMesh = scene.meshes[index];
                         if (currentMesh._waitingFreezeWorldMatrix) {
                             currentMesh.freezeWorldMatrix();
-                            currentMesh._waitingFreezeWorldMatrix = undefined;
+                            currentMesh._waitingFreezeWorldMatrix = null;
                         } else {
                             currentMesh.computeWorldMatrix(true);
                         }
@@ -214,7 +214,6 @@
                     onError(msg, err);
                 } else {
                     Tools.Log(msg);
-                    log = null;
                     throw err;
                 }
             } finally {
@@ -301,8 +300,10 @@
                     for (index = 0, cache = parsedData.lights.length; index < cache; index++) {
                         var parsedLight = parsedData.lights[index];
                         var light = Light.Parse(parsedLight, scene);
-                        log += (index === 0 ? "\n\tLights:" : "");
-                        log += "\n\t\t" + light.toString(fullDetails);
+                        if (light) {
+                            log += (index === 0 ? "\n\tLights:" : "");
+                            log += "\n\t\t" + light.toString(fullDetails);
+                        }
                     }
                 }
 
@@ -461,15 +462,15 @@
                     var camera = scene.cameras[index];
                     if (camera._waitingParentId) {
                         camera.parent = scene.getLastEntryByID(camera._waitingParentId);
-                        camera._waitingParentId = undefined;
+                        camera._waitingParentId = null;
                     }
                 }
 
                 for (index = 0, cache = scene.lights.length; index < cache; index++) {
-                    var light = scene.lights[index];
-                    if (light._waitingParentId) {
+                    let light = scene.lights[index];
+                    if (light && light._waitingParentId) {
                         light.parent = scene.getLastEntryByID(light._waitingParentId);
-                        light._waitingParentId = undefined;
+                        light._waitingParentId = null;
                     }
                 }
 
@@ -501,11 +502,11 @@
                     var mesh = scene.meshes[index];
                     if (mesh._waitingParentId) {
                         mesh.parent = scene.getLastEntryByID(mesh._waitingParentId);
-                        mesh._waitingParentId = undefined;
+                        mesh._waitingParentId = null;
                     }
                     if (mesh._waitingActions) {
                         ActionManager.Parse(mesh._waitingActions, mesh, scene);
-                        mesh._waitingActions = undefined;
+                        mesh._waitingActions = null;
                     }
                 }
 
@@ -514,7 +515,7 @@
                     var currentMesh = scene.meshes[index];
                     if (currentMesh._waitingFreezeWorldMatrix) {
                         currentMesh.freezeWorldMatrix();
-                        currentMesh._waitingFreezeWorldMatrix = undefined;
+                        currentMesh._waitingFreezeWorldMatrix = null;
                     } else {
                         currentMesh.computeWorldMatrix(true);
                     }
@@ -546,7 +547,7 @@
 
                 // Lights exclusions / inclusions
                 for (index = 0, cache = scene.lights.length; index < cache; index++) {
-                    var light = scene.lights[index];
+                    let light = scene.lights[index];
                     // Excluded check
                     if (light._excludedMeshesIds.length > 0) {
                         for (var excludedIndex = 0; excludedIndex < light._excludedMeshesIds.length; excludedIndex++) {
@@ -588,7 +589,6 @@
                     onError(msg, err);
                 } else {
                     Tools.Log(msg);
-                    log = null;
                     throw err;
                 }
             } finally {

src/Loading/babylon.loadingScreen.ts

@@ -11,7 +11,7 @@ module BABYLON {
 
     export class DefaultLoadingScreen implements ILoadingScreen {
 
-        private _loadingDiv: HTMLDivElement;
+        private _loadingDiv: Nullable<HTMLDivElement>;
         private _loadingTextDiv: HTMLDivElement;
 
         constructor(private _renderingCanvas: HTMLCanvasElement, private _loadingText = "", private _loadingDivBackgroundColor = "black") {
@@ -137,6 +137,10 @@ module BABYLON {
             var canvasRect = this._renderingCanvas.getBoundingClientRect();
             var canvasPositioning = window.getComputedStyle(this._renderingCanvas).position;
 
+            if (!this._loadingDiv) {
+                return;
+            }
+
             this._loadingDiv.style.position = (canvasPositioning === "fixed") ? "fixed" : "absolute";
             this._loadingDiv.style.left = canvasRect.left + "px";
             this._loadingDiv.style.top = canvasRect.top + "px";

src/Materials/PBR/babylon.pbrMaterial.ts

@@ -106,7 +106,7 @@
 
         @serializeAsTexture()
         @expandToProperty("_markAllSubMeshesAsTexturesDirty")
-        public reflectionTexture: BaseTexture;
+        public reflectionTexture: Nullable<BaseTexture>;
 
         @serializeAsTexture()
         @expandToProperty("_markAllSubMeshesAsTexturesDirty")
@@ -402,7 +402,7 @@
          */
         @serializeAsTexture()
         @expandToProperty("_markAllSubMeshesAsTexturesDirty")
-        public environmentBRDFTexture: BaseTexture = null;
+        public environmentBRDFTexture: Nullable<BaseTexture> = null;
 
         /**
          * Force normal to face away from face.

src/Materials/Textures/babylon.baseTexture.ts

@@ -97,7 +97,7 @@
         */
         public onDisposeObservable = new Observable<BaseTexture>();
 
-        private _onDisposeObserver: Observer<BaseTexture>;
+        private _onDisposeObserver: Nullable<Observer<BaseTexture>>;
         public set onDispose(callback: () => void) {
             if (this._onDisposeObserver) {
                 this.onDisposeObservable.remove(this._onDisposeObserver);
@@ -127,12 +127,12 @@
             return this._scene;
         }
 
-        public getTextureMatrix(): Nullable<Matrix> {
-            return null;
+        public getTextureMatrix(): Matrix {
+            return Matrix.IdentityReadOnly;
         }
 
-        public getReflectionTextureMatrix(): Nullable<Matrix> {
-            return null;
+        public getReflectionTextureMatrix(): Matrix {
+            return Matrix.IdentityReadOnly;
         }
 
         public getInternalTexture(): Nullable<InternalTexture> {

src/Materials/Textures/babylon.mapTexture.ts

@@ -1,113 +0,0 @@
-module BABYLON {
-
-    export class MapTexture extends Texture {
-        private _rectPackingMap: RectPackingMap;
-        private _size: ISize;
-
-        private _replacedViewport: Viewport;
-
-        constructor(name: string, scene: Scene, size: ISize, samplingMode: number = Texture.TRILINEAR_SAMPLINGMODE, useMipMap: boolean=false, margin=0) {
-            super(null, scene, !useMipMap, false, samplingMode);
-
-            this.name = name;
-            this._size = size;
-            this.wrapU = Texture.CLAMP_ADDRESSMODE;
-            this.wrapV = Texture.CLAMP_ADDRESSMODE;
-
-            // Create the rectPackMap that will allocate portion of the texture
-            this._rectPackingMap = new RectPackingMap(new Size(size.width, size.height), margin);
-
-            // Create the texture that will store the content
-            this._texture = scene.getEngine().createRenderTargetTexture(size, { generateMipMaps: !this.noMipmap, type: Engine.TEXTURETYPE_UNSIGNED_INT });
-        }
-
-        /**
-         * Allocate a rectangle of a given size in the texture map
-         * @param size the size of the rectangle to allocation
-         * @return the PackedRect instance corresponding to the allocated rect or null is there was not enough space to allocate it.
-         */
-        public allocateRect(size: Size): PackedRect {
-            return this._rectPackingMap.addRect(size);
-        }
-
-        /**
-         * Free a given rectangle from the texture map
-         * @param rectInfo the instance corresponding to the rect to free.
-         */
-        public freeRect(rectInfo: PackedRect) {
-            if (rectInfo) {
-                rectInfo.freeContent();
-            }
-        }
-
-        /**
-         * Return the available space in the range of [O;1]. 0 being not space left at all, 1 being an empty texture map.
-         * This is the cumulated space, not the biggest available surface. Due to fragmentation you may not allocate a rect corresponding to this surface.
-         * @returns {} 
-         */
-        public get freeSpace(): number {
-            return this._rectPackingMap.freeSpace;
-        }
-
-        /**
-         * Bind the texture to the rendering engine to render in the zone of a given rectangle.
-         * Use this method when you want to render into the texture map with a clipspace set to the location and size of the given rect.
-         * Don't forget to call unbindTexture when you're done rendering
-         * @param rect the zone to render to
-         * @param clear true to clear the portion's color/depth data
-         */
-        public bindTextureForRect(rect: PackedRect, clear: boolean) {
-            return this.bindTextureForPosSize(rect.pos, rect.contentSize, clear);
-        }
-
-        /**
-         * Bind the texture to the rendering engine to render in the zone of the given size at the given position.
-         * Use this method when you want to render into the texture map with a clipspace set to the location and size of the given rect.
-         * Don't forget to call unbindTexture when you're done rendering
-         * @param pos the position into the texture
-         * @param size the portion to fit the clip space to
-         * @param clear true to clear the portion's color/depth data
-         */
-        public bindTextureForPosSize(pos: Vector2, size: Size, clear: boolean) {
-
-            let engine = this.getScene().getEngine();
-            engine.bindFramebuffer(this._texture);
-            this._replacedViewport = engine.setDirectViewport(pos.x, pos.y, size.width, size.height);
-            if (clear) {
-                // We only want to clear the part of the texture we're binding to, only the scissor can help us to achieve that
-                engine.scissorClear(pos.x, pos.y, size.width, size.height, new Color4(0, 0, 0, 0)); 
-            }
-        }
-
-        /**
-         * Unbind the texture map from the rendering engine.
-         * Call this method when you're done rendering. A previous call to bindTextureForRect has to be made.
-         * @param dumpForDebug if set to true the content of the texture map will be dumped to a picture file that will be sent to the internet browser.
-         */
-        public unbindTexture(dumpForDebug?:boolean) {
-            // Dump ?
-            if (dumpForDebug) {
-                Tools.DumpFramebuffer(this._size.width, this._size.height, this.getScene().getEngine());
-            }
-
-            let engine = this.getScene().getEngine();
-
-            if (this._replacedViewport) {
-                engine.setViewport(this._replacedViewport);
-                this._replacedViewport = null;
-            }
-
-            engine.unBindFramebuffer(this._texture);
-        }
-
-        public get canRescale(): boolean {
-            return false;
-        }
-
-        // Note, I don't know what behavior this method should have: clone the underlying texture/rectPackingMap or just reference them?
-        // Anyway, there's not much point to use this method for this kind of texture I guess
-        public clone(): MapTexture {
-            return null;
-        }
-    }
-} 

src/Materials/babylon.effect.ts

@@ -5,7 +5,7 @@
         private _currentRank = 32;
         private _maxRank = -1;
 
-        private _mesh: AbstractMesh;
+        private _mesh: Nullable<AbstractMesh>;
         private _meshRank: number;
 
         public unBindMesh() {
@@ -91,9 +91,9 @@
     export class Effect {
         public name: any;
         public defines: string;
-        public onCompiled: (effect: Effect) => void;
-        public onError: (effect: Effect, errors: string) => void;
-        public onBind: (effect: Effect) => void;
+        public onCompiled: Nullable<(effect: Effect) => void>;
+        public onError: Nullable<(effect: Effect, errors: string) => void>;
+        public onBind: Nullable<(effect: Effect) => void>;
         public uniqueId = 0;
         public onCompileObservable = new Observable<Effect>();
         public onErrorObservable = new Observable<Effect>();
@@ -108,10 +108,10 @@
         private _compilationError = "";
         private _attributesNames: string[];
         private _attributes: number[];
-        private _uniforms: WebGLUniformLocation[];
+        private _uniforms: Nullable<WebGLUniformLocation>[];
         public _key: string;
         private _indexParameters: any;
-        private _fallbacks: EffectFallbacks;
+        private _fallbacks: Nullable<EffectFallbacks>;
         private _vertexSourceCode: string;
         private _fragmentSourceCode: string;
         private _vertexSourceCodeOverride: string;
@@ -121,7 +121,8 @@
         private _valueCache: { [key: string]: any };
         private static _baseCache: { [key: number]: WebGLBuffer } = {};
 
-        constructor(baseName: any, attributesNamesOrOptions: string[] | EffectCreationOptions, uniformsNamesOrEngine: string[] | Engine, samplers?: string[], engine?: Engine, defines?: string, fallbacks?: EffectFallbacks, onCompiled?: (effect: Effect) => void, onError?: (effect: Effect, errors: string) => void, indexParameters?: any) {
+        constructor(baseName: any, attributesNamesOrOptions: string[] | EffectCreationOptions, uniformsNamesOrEngine: string[] | Engine, samplers: Nullable<string[]> = null, engine?: Engine, defines: Nullable<string> = null, 
+                    fallbacks: Nullable<EffectFallbacks> = null, onCompiled: Nullable<(effect: Effect) => void> = null, onError: Nullable<(effect: Effect, errors: string) => void> = null, indexParameters?: any) {
             this.name = baseName;
 
             if ((<EffectCreationOptions>attributesNamesOrOptions).attributes) {
@@ -143,10 +144,10 @@
                     }          
                 }    
             } else {
-                this._engine = engine;
-                this.defines = defines;
-                this._uniformsNames = (<string[]>uniformsNamesOrEngine).concat(samplers);
-                this._samplers = samplers;
+                this._engine = <Engine>engine;
+                this.defines = <string>defines;
+                this._uniformsNames = (<string[]>uniformsNamesOrEngine).concat(<string[]>samplers);
+                this._samplers = <string[]>samplers;
                 this._attributesNames = (<string[]>attributesNamesOrOptions);
 
                 this.onError = onError;
@@ -245,7 +246,7 @@
             return this._uniformsNames.indexOf(uniformName);
         }
 
-        public getUniform(uniformName: string): WebGLUniformLocation {
+        public getUniform(uniformName: string): Nullable<WebGLUniformLocation> {
             return this._uniforms[this._uniformsNames.indexOf(uniformName)];
         }
 
@@ -648,7 +649,7 @@
             this._engine._bindTexture(this._samplers.indexOf(channel), texture);
         }
 
-        public setTexture(channel: string, texture: BaseTexture): void {
+        public setTexture(channel: string, texture: Nullable<BaseTexture>): void {
             this._engine.setTexture(this._samplers.indexOf(channel), this.getUniform(channel), texture);
         }
 

src/Materials/babylon.standardMaterial.ts

@@ -121,7 +121,7 @@ module BABYLON {
         @serializeAsTexture("reflectionTexture")
         private _reflectionTexture: BaseTexture;
         @expandToProperty("_markAllSubMeshesAsTexturesDirty")
-        public reflectionTexture: BaseTexture;        
+        public reflectionTexture: Nullable<BaseTexture>;        
 
         @serializeAsTexture("emissiveTexture")
         private _emissiveTexture: BaseTexture;
@@ -315,13 +315,13 @@ module BABYLON {
         /**
          * Keep track of the image processing observer to allow dispose and replace.
          */
-        private _imageProcessingObserver: Observer<ImageProcessingConfiguration>;
+        private _imageProcessingObserver: Nullable<Observer<ImageProcessingConfiguration>>;
 
         /**
          * Attaches a new image processing configuration to the Standard Material.
          * @param configuration 
          */
-        protected _attachImageProcessingConfiguration(configuration: ImageProcessingConfiguration): void {
+        protected _attachImageProcessingConfiguration(configuration: Nullable<ImageProcessingConfiguration>): void {
             if (configuration === this._imageProcessingConfiguration) {
                 return;
             }
@@ -510,7 +510,7 @@ module BABYLON {
         /**
          * Child classes can use it to update shaders
          */
-        public isReadyForSubMesh(mesh: AbstractMesh, subMesh: SubMesh, useInstances?: boolean): boolean {            
+        public isReadyForSubMesh(mesh: AbstractMesh, subMesh: SubMesh, useInstances: boolean = false): boolean {            
             if (subMesh.effect && this.isFrozen) {
                 if (this._wasPreviouslyReady && subMesh.effect) {
                     return true;
@@ -1125,7 +1125,9 @@ module BABYLON {
                 // Colors
                 scene.ambientColor.multiplyToRef(this.ambientColor, this._globalAmbientColor);
 
-                effect.setVector3("vEyePosition", scene._mirroredCameraPosition ? scene._mirroredCameraPosition : scene.activeCamera.globalPosition);
+                if (scene.activeCamera) {
+                    effect.setVector3("vEyePosition", scene._mirroredCameraPosition ? scene._mirroredCameraPosition : scene.activeCamera.globalPosition);
+                }
                 effect.setColor3("vAmbientColor", this._globalAmbientColor);
             }
 

src/Math/babylon.math.ts

@@ -2884,6 +2884,7 @@
         private static _yAxis: Vector3 = Vector3.Zero();
         private static _zAxis: Vector3 = Vector3.Zero();
         private static _updateFlagSeed = 0;
+        private static _identityReadOnly = Matrix.Identity();
 
         private _isIdentity = false;
         private _isIdentityDirty = true;
@@ -3383,7 +3384,7 @@
         /**
          * Returns the index-th row of the current matrix as a new Vector4.  
          */
-        public getRow(index: number): Vector4 {
+        public getRow(index: number): Nullable<Vector4> {
             if (index < 0 || index > 3) {
                 return null;
             }
@@ -3426,6 +3427,15 @@
             this._markAsUpdated();
             return this;
         }
+
+        /**
+         * Static identity matrix to be used as readonly matrix
+         * Must not be updated.
+         */
+        public static get IdentityReadOnly(): Matrix {
+            return Matrix._identityReadOnly;
+        }
+
         /**
          * Returns a new Matrix set from the 16 passed floats.  
          */
@@ -4760,7 +4770,7 @@
         * normal (optional) : Vector3, the first wanted normal to the curve. Ex (0, 1, 0) for a vertical normal.
         * raw (optional, default false) : boolean, if true the returned Path3D isn't normalized. Useful to depict path acceleration or speed.
         */
-        constructor(public path: Vector3[], firstNormal?: Vector3, raw?: boolean) {
+        constructor(public path: Vector3[], firstNormal: Nullable<Vector3> = null, raw?: boolean) {
             for (var p = 0; p < path.length; p++) {
                 this._curve[p] = path[p].clone(); // hard copy
             }
@@ -4811,7 +4821,7 @@
          * Forces the Path3D tangent, normal, binormal and distance recomputation.
          * Returns the same object updated.  
          */
-        public update(path: Vector3[], firstNormal?: Vector3): Path3D {
+        public update(path: Vector3[], firstNormal: Nullable<Vector3> = null): Path3D {
             for (var p = 0; p < path.length; p++) {
                 this._curve[p].x = path[p].x;
                 this._curve[p].y = path[p].y;
@@ -4822,7 +4832,7 @@
         }
 
         // private function compute() : computes tangents, normals and binormals
-        private _compute(firstNormal: Vector3): void {
+        private _compute(firstNormal: Nullable<Vector3>): void {
             var l = this._curve.length;
 
             // first and last tangents
@@ -4907,7 +4917,7 @@
         // private function normalVector(v0, vt, va) :
         // returns an arbitrary point in the plane defined by the point v0 and the vector vt orthogonal to this plane
         // if va is passed, it returns the va projection on the plane orthogonal to vt at the point v0
-        private _normalVector(v0: Vector3, vt: Vector3, va: Vector3): Vector3 {
+        private _normalVector(v0: Vector3, vt: Vector3, va: Nullable<Vector3>): Vector3 {
             var normal0: Vector3;
             var tgl = vt.length();
             if (tgl === 0.0) {
@@ -4925,6 +4935,9 @@
                 else if (!Scalar.WithinEpsilon(Math.abs(vt.z) / tgl, 1.0, Epsilon)) {
                     point = new Vector3(0.0, 0.0, 1.0);
                 }
+                else {
+                    point = Vector3.Zero();
+                }
                 normal0 = Vector3.Cross(vt, point);
             }
             else {
@@ -5010,8 +5023,9 @@
             totalPoints.push(points[points.length - 1].clone());
             var catmullRom = new Array<Vector3>();
             var step = 1.0 / nbPoints;
+            var amount = 0.0;
             for (var i = 0; i < totalPoints.length - 3; i++) {
-                var amount = 0.0;
+                amount = 0;
                 for (var c = 0; c < nbPoints; c++) {
                     catmullRom.push(Vector3.CatmullRom(totalPoints[i], totalPoints[i + 1], totalPoints[i + 2], totalPoints[i + 3], amount));
                     amount += step

src/Mesh/babylon.abstractMesh.ts

@@ -90,7 +90,7 @@
         */
         public onCollideObservable = new Observable<AbstractMesh>();
 
-        private _onCollideObserver: Observer<AbstractMesh>;
+        private _onCollideObserver: Nullable<Observer<AbstractMesh>>;
         public set onCollide(callback: () => void) {
             if (this._onCollideObserver) {
                 this.onCollideObservable.remove(this._onCollideObserver);
@@ -104,7 +104,7 @@
         */
         public onCollisionPositionChangeObservable = new Observable<Vector3>();
 
-        private _onCollisionPositionChangeObserver: Observer<Vector3>;
+        private _onCollisionPositionChangeObserver: Nullable<Observer<Vector3>>;
         public set onCollisionPositionChange(callback: () => void) {
             if (this._onCollisionPositionChangeObserver) {
                 this.onCollisionPositionChangeObservable.remove(this._onCollisionPositionChangeObserver);
@@ -178,10 +178,10 @@
             return this._isOcclusionQueryInProgress;
         }
 
-        private _occlusionQuery: WebGLQuery;
+        private _occlusionQuery: Nullable<WebGLQuery>;
 
         private _rotation = Vector3.Zero();
-        private _rotationQuaternion: Quaternion;
+        private _rotationQuaternion: Nullable<Quaternion>;
         private _scaling = Vector3.One();
         public billboardMode = AbstractMesh.BILLBOARDMODE_NONE;
         public visibility = 1.0;
@@ -332,7 +332,7 @@
          * This scene's action manager
          * @type {BABYLON.ActionManager}
         */
-        public actionManager: ActionManager;
+        public actionManager: Nullable<ActionManager>;
 
         // Physics
         public physicsImpostor: Nullable<PhysicsImpostor>;
@@ -365,12 +365,12 @@
         }
 
         // Attach to bone
-        private _meshToBoneReferal: AbstractMesh;
+        private _meshToBoneReferal: Nullable<AbstractMesh>;
 
         // Edges
         public edgesWidth = 1;
         public edgesColor = new Color4(1, 0, 0, 1);
-        public _edgesRenderer: EdgesRenderer;
+        public _edgesRenderer: Nullable<EdgesRenderer>;
 
         // Cache
         private _localWorld = Matrix.Zero();
@@ -400,19 +400,19 @@
 
         public _lightSources = new Array<Light>();
 
-        public get _positions(): Vector3[] {
+        public get _positions(): Nullable<Vector3[]> {
             return null;
         }
 
         // Loading properties
         public _waitingActions: any;
-        public _waitingFreezeWorldMatrix: boolean;
+        public _waitingFreezeWorldMatrix: Nullable<boolean>;
 
         // Skeleton
-        private _skeleton: Skeleton;
-        public _bonesTransformMatrices: Float32Array;
+        private _skeleton: Nullable<Skeleton>;
+        public _bonesTransformMatrices: Nullable<Float32Array>;
 
-        public set skeleton(value: Skeleton) {
+        public set skeleton(value: Nullable<Skeleton>) {
             if (this._skeleton && this._skeleton.needInitialSkinMatrix) {
                 this._skeleton._unregisterMeshWithPoseMatrix(this);
             }
@@ -430,7 +430,7 @@
             this._markSubMeshesAsAttributesDirty();
         }
 
-        public get skeleton(): Skeleton {
+        public get skeleton(): Nullable<Skeleton> {
             return this._skeleton;
         }
 
@@ -602,11 +602,11 @@
          * It's null by default.  
          * If set, only the rotationQuaternion is then used to compute the mesh rotation and its property `.rotation\ is then ignored and set to (0.0, 0.0, 0.0)
          */
-        public get rotationQuaternion() {
+        public get rotationQuaternion(): Nullable<Quaternion> {
             return this._rotationQuaternion;
         }
 
-        public set rotationQuaternion(quaternion: Quaternion) {
+        public set rotationQuaternion(quaternion: Nullable<Quaternion>) {
             this._rotationQuaternion = quaternion;
             //reset the rotation vector. 
             if (quaternion && this.rotation.length()) {
@@ -637,9 +637,9 @@
          * Returns the AbstractMesh.  
          */
         public disableEdgesRendering(): AbstractMesh {
-            if (this._edgesRenderer !== undefined) {
+            if (this._edgesRenderer) {
                 this._edgesRenderer.dispose();
-                this._edgesRenderer = undefined;
+                this._edgesRenderer = null;
             }
             return this;
         }
@@ -682,7 +682,7 @@
          * Returns null by default, used by the class Mesh. 
          * Returned type : integer array 
          */
-        public getIndices(): IndicesArray {
+        public getIndices(): Nullable<IndicesArray> {
             return null;
         }
 
@@ -690,7 +690,7 @@
          * Returns the array of the requested vertex data kind. Used by the class Mesh. Returns null here. 
          * Returned type : float array or Float32Array 
          */
-        public getVerticesData(kind: string): number[] | Float32Array {
+        public getVerticesData(kind: string): Nullable<number[] | Float32Array> {
             return null;
         }
         /**
@@ -718,8 +718,8 @@
          * 
          * Returns the Mesh.  
          */
-        public setVerticesData(kind: string, data: number[] | Float32Array, updatable?: boolean, stride?: number): Mesh {
-            return null;
+        public setVerticesData(kind: string, data: number[] | Float32Array, updatable?: boolean, stride?: number): AbstractMesh {
+            return this;
         }
 
         /**
@@ -746,8 +746,8 @@
          * 
          * Returns the Mesh.  
          */
-        public updateVerticesData(kind: string, data: number[] | Float32Array, updateExtends?: boolean, makeItUnique?: boolean): Mesh {
-            return null;
+        public updateVerticesData(kind: string, data: number[] | Float32Array, updateExtends?: boolean, makeItUnique?: boolean): AbstractMesh {
+            return this;
         }
 
         /**
@@ -757,8 +757,8 @@
          * This method creates a new index buffer each call.  
          * Returns the Mesh.  
          */
-        public setIndices(indices: IndicesArray, totalVertices?: number): Mesh {
-            return null;
+        public setIndices(indices: IndicesArray, totalVertices?: number): AbstractMesh {
+            return this;
         }
 
         /** Returns false by default, used by the class Mesh.  
@@ -793,7 +793,7 @@
         }
 
         public get useBones(): boolean {
-            return this.skeleton && this.getScene().skeletonsEnabled && this.isVerticesDataPresent(VertexBuffer.MatricesIndicesKind) && this.isVerticesDataPresent(VertexBuffer.MatricesWeightsKind);
+            return (<boolean>(this.skeleton && this.getScene().skeletonsEnabled && this.isVerticesDataPresent(VertexBuffer.MatricesIndicesKind) && this.isVerticesDataPresent(VertexBuffer.MatricesWeightsKind)));
         }
 
         public _preActivate(): void {
@@ -1278,16 +1278,16 @@
             }
 
             // Translation
-            if (this.infiniteDistance && !this.parent) {
-                var camera = this.getScene().activeCamera;
-                if (camera) {
-                    var cameraWorldMatrix = camera.getWorldMatrix();
+            let camera = (<Camera>this.getScene().activeCamera);
+            
+            if (this.infiniteDistance && !this.parent && camera) {
 
-                    var cameraGlobalPosition = new Vector3(cameraWorldMatrix.m[12], cameraWorldMatrix.m[13], cameraWorldMatrix.m[14]);
+                var cameraWorldMatrix = camera.getWorldMatrix();
 
-                    Matrix.TranslationToRef(this.position.x + cameraGlobalPosition.x, this.position.y + cameraGlobalPosition.y,
-                        this.position.z + cameraGlobalPosition.z, Tmp.Matrix[2]);
-                }
+                var cameraGlobalPosition = new Vector3(cameraWorldMatrix.m[12], cameraWorldMatrix.m[13], cameraWorldMatrix.m[14]);
+
+                Matrix.TranslationToRef(this.position.x + cameraGlobalPosition.x, this.position.y + cameraGlobalPosition.y,
+                    this.position.z + cameraGlobalPosition.z, Tmp.Matrix[2]);
             } else {
                 Matrix.TranslationToRef(this.position.x, this.position.y, this.position.z, Tmp.Matrix[2]);
             }
@@ -1297,7 +1297,7 @@
             Tmp.Matrix[4].multiplyToRef(Tmp.Matrix[0], Tmp.Matrix[5]);
 
             // Billboarding (testing PG:http://www.babylonjs-playground.com/#UJEIL#13)
-            if (this.billboardMode !== AbstractMesh.BILLBOARDMODE_NONE && this.getScene().activeCamera) {
+            if (this.billboardMode !== AbstractMesh.BILLBOARDMODE_NONE && camera) {
                 if ((this.billboardMode & AbstractMesh.BILLBOARDMODE_ALL) !== AbstractMesh.BILLBOARDMODE_ALL) {
                     // Need to decompose each rotation here
                     var currentPosition = Tmp.Vector3[3];
@@ -1313,7 +1313,7 @@
                         currentPosition.copyFrom(this.position);
                     }
 
-                    currentPosition.subtractInPlace(this.getScene().activeCamera.globalPosition);
+                    currentPosition.subtractInPlace(camera.globalPosition);
 
                     var finalEuler = Tmp.Vector3[4].copyFromFloats(0, 0, 0);
                     if ((this.billboardMode & AbstractMesh.BILLBOARDMODE_X) === AbstractMesh.BILLBOARDMODE_X) {
@@ -1330,7 +1330,7 @@
 
                     Matrix.RotationYawPitchRollToRef(finalEuler.y, finalEuler.x, finalEuler.z, Tmp.Matrix[0]);
                 } else {
-                    Tmp.Matrix[1].copyFrom(this.getScene().activeCamera.getViewMatrix());
+                    Tmp.Matrix[1].copyFrom(camera.getViewMatrix());
 
                     Tmp.Matrix[1].setTranslationFromFloats(0, 0, 0);
                     Tmp.Matrix[1].invertToRef(Tmp.Matrix[0]);
@@ -1475,6 +1475,10 @@
         }
 
         public detachFromBone(): AbstractMesh {
+            if (!this.parent) {
+                return this;
+            }
+
             if (this.parent.getWorldMatrix().determinant() < 0) {
                 this.scalingDeterminant *= -1;
             }
@@ -1507,7 +1511,7 @@
          * includeDescendants can be set to true to test if the mesh defined in parameters intersects with the current mesh or any child meshes
          * Returns a boolean.  
          */
-        public intersectsMesh(mesh: AbstractMesh | SolidParticle, precise?: boolean, includeDescendants?: boolean): boolean {
+        public intersectsMesh(mesh: AbstractMesh | SolidParticle, precise: boolean = false, includeDescendants?: boolean): boolean {
             if (!this._boundingInfo || !mesh._boundingInfo) {
                 return false;
             }
@@ -1539,13 +1543,13 @@
             return this._boundingInfo.intersectsPoint(point);
         }
 
-        public getPhysicsImpostor(): PhysicsImpostor {
+        public getPhysicsImpostor(): Nullable<PhysicsImpostor> {
             return this.physicsImpostor;
         }
 
-        public getPositionInCameraSpace(camera?: Camera): Vector3 {
+        public getPositionInCameraSpace(camera: Nullable<Camera> = null): Vector3 {
             if (!camera) {
-                camera = this.getScene().activeCamera;
+                camera = (<Camera>this.getScene().activeCamera);
             }
 
             return Vector3.TransformCoordinates(this.absolutePosition, camera.getViewMatrix());
@@ -1555,9 +1559,9 @@
          * Returns the distance from the mesh to the active camera.  
          * Returns a float.  
          */
-        public getDistanceToCamera(camera?: Camera): number {
+        public getDistanceToCamera(camera: Nullable<Camera> = null): number {
             if (!camera) {
-                camera = this.getScene().activeCamera;
+                camera = (<Camera>this.getScene().activeCamera);
             }
             return this.absolutePosition.subtract(camera.position).length();
         }
@@ -1615,7 +1619,7 @@
             return this;
         }
 
-        private _onCollisionPositionChange = (collisionId: number, newPosition: Vector3, collidedMesh: AbstractMesh = null) => {
+        private _onCollisionPositionChange = (collisionId: number, newPosition: Vector3, collidedMesh: Nullable<AbstractMesh> = null) => {
             //TODO move this to the collision coordinator!
             if (this.getScene().workerCollisions)
                 newPosition.multiplyInPlace(this._collider.radius);
@@ -1657,6 +1661,11 @@
         // Collisions
         public _collideForSubMesh(subMesh: SubMesh, transformMatrix: Matrix, collider: Collider): AbstractMesh {
             this._generatePointsArray();
+
+            if (!this._positions) {
+                return this;
+            }
+            
             // Transformation
             if (!subMesh._lastColliderWorldVertices || !subMesh._lastColliderTransformMatrix.equals(transformMatrix)) {
                 subMesh._lastColliderTransformMatrix = transformMatrix.clone();
@@ -1669,7 +1678,7 @@
                 }
             }
             // Collide
-            collider._collide(subMesh._trianglePlanes, subMesh._lastColliderWorldVertices, this.getIndices(), subMesh.indexStart, subMesh.indexStart + subMesh.indexCount, subMesh.verticesStart, !!subMesh.getMaterial());
+            collider._collide(subMesh._trianglePlanes, subMesh._lastColliderWorldVertices, (<IndicesArray>this.getIndices()), subMesh.indexStart, subMesh.indexStart + subMesh.indexCount, subMesh.verticesStart, !!subMesh.getMaterial());
             if (collider.collisionFound) {
                 collider.collidedMesh = this;
             }
@@ -1736,7 +1745,7 @@
                 return pickingInfo;
             }
 
-            var intersectInfo: IntersectionInfo = null;
+            var intersectInfo: Nullable<IntersectionInfo> = null;
 
             // Octrees
             var subMeshes: SubMesh[];
@@ -1760,7 +1769,7 @@
                 if (len > 1 && !subMesh.canIntersects(ray))
                     continue;
 
-                var currentIntersectInfo = subMesh.intersects(ray, this._positions, this.getIndices(), fastCheck);
+                var currentIntersectInfo = subMesh.intersects(ray, (<Vector3[]>this._positions), (<IndicesArray>this.getIndices()), fastCheck);
 
                 if (currentIntersectInfo) {
                     if (fastCheck || !intersectInfo || currentIntersectInfo.distance < intersectInfo.distance) {
@@ -1789,8 +1798,8 @@
                 pickingInfo.distance = Vector3.Distance(worldOrigin, pickedPoint);
                 pickingInfo.pickedPoint = pickedPoint;
                 pickingInfo.pickedMesh = this;
-                pickingInfo.bu = intersectInfo.bu;
-                pickingInfo.bv = intersectInfo.bv;
+                pickingInfo.bu = intersectInfo.bu || 0;
+                pickingInfo.bv = intersectInfo.bv || 0;
                 pickingInfo.faceId = intersectInfo.faceId;
                 pickingInfo.subMeshId = intersectInfo.subMeshId;
                 return pickingInfo;
@@ -1803,7 +1812,7 @@
          * Clones the mesh, used by the class Mesh.  
          * Just returns `null` for an AbstractMesh.  
          */
-        public clone(name: string, newParent: Node, doNotCloneChildren?: boolean): AbstractMesh {
+        public clone(name: string, newParent: Node, doNotCloneChildren?: boolean): Nullable<AbstractMesh> {
             return null;
         }
 
@@ -1878,10 +1887,13 @@
                 var generator = light.getShadowGenerator();
                 if (generator) {
                     var shadowMap = generator.getShadowMap();
-                    meshIndex = shadowMap.renderList.indexOf(this);
 
-                    if (meshIndex !== -1) {
-                        shadowMap.renderList.splice(meshIndex, 1);
+                    if (shadowMap && shadowMap.renderList) {
+                        meshIndex = shadowMap.renderList.indexOf(this);
+
+                        if (meshIndex !== -1) {
+                            shadowMap.renderList.splice(meshIndex, 1);
+                        }
                     }
                 }
             });
@@ -2036,10 +2048,10 @@
          * Defines the passed mesh as the parent of the current mesh.  
          * Returns the AbstractMesh.  
          */
-        public setParent(mesh: AbstractMesh): AbstractMesh {
+        public setParent(mesh: Nullable<AbstractMesh>): AbstractMesh {
 
             var child = this;
-            var parent = mesh;
+            var parent = (<AbstractMesh>mesh);
 
             if (mesh == null) {
 
@@ -2119,7 +2131,7 @@
             if (!this._facetPartitioning) {
                 this._facetPartitioning = new Array<number[]>();
             }
-            this._facetNb = this.getIndices().length / 3;
+            this._facetNb = (<IndicesArray>this.getIndices()).length / 3;
             this._partitioningSubdivisions = (this._partitioningSubdivisions) ? this._partitioningSubdivisions : 10;   // default nb of partitioning subdivisions = 10
             this._partitioningBBoxRatio = (this._partitioningBBoxRatio) ? this._partitioningBBoxRatio : 1.01;          // default ratio 1.01 = the partitioning is 1% bigger than the bounding box
             for (var f = 0; f < this._facetNb; f++) {
@@ -2236,7 +2248,7 @@
         /** 
          * Returns the facets (in an array) in the same partitioning block than the one the passed coordinates are located (expressed in the mesh local system).
          */
-        public getFacetsAtLocalCoordinates(x: number, y: number, z: number): number[] {
+        public getFacetsAtLocalCoordinates(x: number, y: number, z: number): Nullable<number[]> {
             var bInfo = this.getBoundingInfo();
             var ox = Math.floor((x - bInfo.minimum.x * this._partitioningBBoxRatio) * this._subDiv.X * this._partitioningBBoxRatio / this._bbSize.x);
             var oy = Math.floor((y - bInfo.minimum.y * this._partitioningBBoxRatio) * this._subDiv.Y * this._partitioningBBoxRatio / this._bbSize.y);
@@ -2253,14 +2265,13 @@
          * If facing and checkFace are true, only the facet "facing" to (x, y, z) are returned : positive dot (x, y, z) * facet position.
          * If facing si false and checkFace is true, only the facet "turning their backs" to (x, y, z) are returned : negative dot (x, y, z) * facet position. 
          */
-        public getClosestFacetAtCoordinates(x: number, y: number, z: number, projected?: Vector3, checkFace: boolean = false, facing: boolean = true): number {
+        public getClosestFacetAtCoordinates(x: number, y: number, z: number, projected?: Vector3, checkFace: boolean = false, facing: boolean = true): Nullable<number> {
             var world = this.getWorldMatrix();
             var invMat = Tmp.Matrix[5];
             world.invertToRef(invMat);
             var invVect = Tmp.Vector3[8];
-            var closest = null;
             Vector3.TransformCoordinatesFromFloatsToRef(x, y, z, invMat, invVect);  // transform (x,y,z) to coordinates in the mesh local space
-            closest = this.getClosestFacetAtLocalCoordinates(invVect.x, invVect.y, invVect.z, projected, checkFace, facing);
+            var closest = this.getClosestFacetAtLocalCoordinates(invVect.x, invVect.y, invVect.z, projected, checkFace, facing);
             if (projected) {
                 // tranform the local computed projected vector to world coordinates
                 Vector3.TransformCoordinatesFromFloatsToRef(projected.x, projected.y, projected.z, world, projected);
@@ -2274,7 +2285,7 @@
          * If facing and checkFace are true, only the facet "facing" to (x, y, z) are returned : positive dot (x, y, z) * facet position.
          * If facing si false and checkFace is true, only the facet "turning their backs"  to (x, y, z) are returned : negative dot (x, y, z) * facet position.
          */
-        public getClosestFacetAtLocalCoordinates(x: number, y: number, z: number, projected?: Vector3, checkFace: boolean = false, facing: boolean = true): number {
+        public getClosestFacetAtLocalCoordinates(x: number, y: number, z: number, projected?: Vector3, checkFace: boolean = false, facing: boolean = true): Nullable<number> {
             var closest = null;
             var tmpx = 0.0;
             var tmpy = 0.0;
@@ -2342,9 +2353,9 @@
         public disableFacetData(): AbstractMesh {
             if (this._facetDataEnabled) {
                 this._facetDataEnabled = false;
-                this._facetPositions = null;
-                this._facetNormals = null;
-                this._facetPartitioning = null;
+                this._facetPositions = new Array<Vector3>();;
+                this._facetNormals = new Array<Vector3>();;
+                this._facetPartitioning = new Array<number[]>();;
                 this._facetParameters = null;
             }
             return this;
@@ -2360,7 +2371,7 @@
             var normals: number[] | Float32Array;
 
             if (this.isVerticesDataPresent(VertexBuffer.NormalKind)) {
-                normals = this.getVerticesData(VertexBuffer.NormalKind);
+                normals = (<number[] | Float32Array>this.getVerticesData(VertexBuffer.NormalKind));
             } else {
                 normals = [];
             }
@@ -2377,7 +2388,7 @@
                 return;
             }
 
-            if (this.isOcclusionQueryInProgress) {
+            if (this.isOcclusionQueryInProgress && this._occlusionQuery) {
                 
                 var isOcclusionQueryAvailable = engine.isQueryResultAvailable(this._occlusionQuery);
                 if (isOcclusionQueryAvailable) {

src/Mesh/babylon.mesh.vertexData.ts

@@ -4,8 +4,8 @@
     export interface IGetSetVerticesData
     {
         isVerticesDataPresent(kind: string): boolean;
-        getVerticesData(kind: string, copyWhenShared?: boolean, forceCopy?: boolean): number[] | Float32Array;
-        getIndices(copyWhenShared?: boolean): IndicesArray;
+        getVerticesData(kind: string, copyWhenShared?: boolean, forceCopy?: boolean): Nullable<number[] | Float32Array>;
+        getIndices(copyWhenShared?: boolean): Nullable<IndicesArray>;
         setVerticesData(kind: string, data: number[] | Float32Array, updatable?: boolean): void;
         updateVerticesData(kind: string, data: number[] | Float32Array, updateExtends?: boolean, makeItUnique?: boolean): void;
         setIndices(indices: IndicesArray, totalVertices?: number, updatable?: boolean): void;

src/Mesh/babylon.subMesh.ts

@@ -1,16 +1,16 @@
 module BABYLON {
     export class BaseSubMesh {
-        public _materialDefines: MaterialDefines;
-        public _materialEffect: Effect;
+        public _materialDefines: Nullable<MaterialDefines>;
+        public _materialEffect: Nullable<Effect>;
 
-        public get effect(): Effect {
+        public get effect(): Nullable<Effect> {
             return this._materialEffect;
         }       
 
-        public setEffect(effect: Effect, defines?: MaterialDefines) {
+        public setEffect(effect: Nullable<Effect>, defines: Nullable<MaterialDefines> = null) {
             if (this._materialEffect === effect) {
                 if (!effect) {
-                    this._materialDefines = undefined;
+                    this._materialDefines = null;
                 }
                 return;
             }
@@ -25,8 +25,8 @@
         private _mesh: AbstractMesh;
         private _renderingMesh: Mesh;
         private _boundingInfo: BoundingInfo;
-        private _linesIndexBuffer: WebGLBuffer;
-        public _lastColliderWorldVertices: Vector3[];
+        private _linesIndexBuffer: Nullable<WebGLBuffer>;
+        public _lastColliderWorldVertices: Nullable<Vector3[]>;
         public _trianglePlanes: Plane[];
         public _lastColliderTransformMatrix: Matrix;
 
@@ -107,7 +107,7 @@
 
                 if (this._currentMaterial !== effectiveMaterial) {
                     this._currentMaterial = effectiveMaterial;
-                    this._materialDefines = undefined;
+                    this._materialDefines = null;
                 }
 
                 return effectiveMaterial;
@@ -224,8 +224,8 @@
         /**
          * Returns an object IntersectionInfo.  
          */
-        public intersects(ray: Ray, positions: Vector3[], indices: IndicesArray, fastCheck?: boolean): IntersectionInfo {
-            var intersectInfo: IntersectionInfo = null;
+        public intersects(ray: Ray, positions: Vector3[], indices: IndicesArray, fastCheck?: boolean): Nullable<IntersectionInfo> {
+            var intersectInfo: Nullable<IntersectionInfo> = null;
 
             // LineMesh first as it's also a Mesh...
             if (this._mesh instanceof LinesMesh) {

src/Physics/babylon.physicsEngine.ts

@@ -10,7 +10,7 @@
 
         public gravity: Vector3;
 
-        constructor(gravity?: Vector3, private _physicsPlugin: IPhysicsEnginePlugin = new CannonJSPlugin()) {
+        constructor(gravity: Nullable<Vector3>, private _physicsPlugin: IPhysicsEnginePlugin = new CannonJSPlugin()) {
             if (!this._physicsPlugin.isSupported()) {
                 throw new Error("Physics Engine " + this._physicsPlugin.name + " cannot be found. "
                     + "Please make sure it is included.")
@@ -147,7 +147,7 @@
             return this._physicsPlugin;
         }
 
-        public getImpostorForPhysicsObject(object: IPhysicsEnabledObject): PhysicsImpostor {
+        public getImpostorForPhysicsObject(object: IPhysicsEnabledObject): Nullable<PhysicsImpostor> {
             for (var i = 0; i < this._impostors.length; ++i) {
                 if (this._impostors[i].object === object) {
                     return this._impostors[i];
@@ -157,7 +157,7 @@
             return null;
         }
 
-        public getImpostorWithPhysicsBody(body: any): PhysicsImpostor {
+        public getImpostorWithPhysicsBody(body: any): Nullable<PhysicsImpostor> {
             for (var i = 0; i < this._impostors.length; ++i) {
                 if (this._impostors[i].physicsBody === body) {
                     return this._impostors[i];