Nightly

Playground/babylon.d.txt

@@ -16459,6 +16459,8 @@ declare module BABYLON {
          * Returns the string "InstancedMesh".
          */
         getClassName(): string;
+        /** Gets the list of lights affecting that mesh */
+        readonly lightSources: Light[];
resyncLightSources(): void;
resyncLighSource(light: Light): void;
removeLightSource(light: Light): void;
         /**
          * If the source mesh receives shadows
          */
@@ -24080,6 +24082,8 @@ declare module BABYLON {
         /** @hidden */
intersectionsInProgress: AbstractMesh[];
         /** @hidden */
unIndexed: boolean;
         /** @hidden */
lightSources: Light[];
+        /** Gets the list of lights affecting that mesh */
+        readonly lightSources: Light[];
         /** @hidden */
protected readonly _positions: Nullable<Vector3[]>;
         /** @hidden */
waitingActions: Nullable<any>;
         /** @hidden */
waitingFreezeWorldMatrix: Nullable<boolean>;
@@ -46178,7 +46182,7 @@ declare module BABYLON {
         /**
          * Generates the vertex buffer of the full screen quad blending to the main canvas.
          */
-        private _genrateVertexBuffer;
+        private _generateVertexBuffer;
         /**
          * Sets the main texture desired size which is the closest power of two
          * of the engine canvas size.

dist/preview release/babylon.d.ts

@@ -16730,6 +16730,11 @@ declare module BABYLON {
          * Returns the string "InstancedMesh".
          */
         getClassName(): string;
+        /** Gets the list of lights affecting that mesh */
+        readonly lightSources: Light[];
+        _resyncLightSources(): void;
+        _resyncLighSource(light: Light): void;
+        _removeLightSource(light: Light): void;
         /**
          * If the source mesh receives shadows
          */
@@ -24490,6 +24495,8 @@ declare module BABYLON {
         _unIndexed: boolean;
         /** @hidden */
         _lightSources: Light[];
+        /** Gets the list of lights affecting that mesh */
+        readonly lightSources: Light[];
         /** @hidden */
         readonly _positions: Nullable<Vector3[]>;
         /** @hidden */
@@ -46903,7 +46910,7 @@ declare module BABYLON {
         /**
          * Generates the vertex buffer of the full screen quad blending to the main canvas.
          */
-        private _genrateVertexBuffer;
+        private _generateVertexBuffer;
         /**
          * Sets the main texture desired size which is the closest power of two
          * of the engine canvas size.

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

@@ -17135,6 +17135,7 @@ declare module "babylonjs/Meshes/instancedMesh" {
     import { Mesh } from "babylonjs/Meshes/mesh";
     import { Material } from "babylonjs/Materials/material";
     import { Skeleton } from "babylonjs/Bones/skeleton";
+    import { Light } from "babylonjs/Lights/light";
     /**
      * Creates an instance based on a source mesh.
      */
@@ -17148,6 +17149,11 @@ declare module "babylonjs/Meshes/instancedMesh" {
          * Returns the string "InstancedMesh".
          */
         getClassName(): string;
+        /** Gets the list of lights affecting that mesh */
+        readonly lightSources: Light[];
+        _resyncLightSources(): void;
+        _resyncLighSource(light: Light): void;
+        _removeLightSource(light: Light): void;
         /**
          * If the source mesh receives shadows
          */
@@ -25162,6 +25168,8 @@ declare module "babylonjs/Meshes/abstractMesh" {
         _unIndexed: boolean;
         /** @hidden */
         _lightSources: Light[];
+        /** Gets the list of lights affecting that mesh */
+        readonly lightSources: Light[];
         /** @hidden */
         readonly _positions: Nullable<Vector3[]>;
         /** @hidden */
@@ -48867,7 +48875,7 @@ declare module "babylonjs/Layers/effectLayer" {
         /**
          * Generates the vertex buffer of the full screen quad blending to the main canvas.
          */
-        private _genrateVertexBuffer;
+        private _generateVertexBuffer;
         /**
          * Sets the main texture desired size which is the closest power of two
          * of the engine canvas size.
@@ -76663,6 +76671,11 @@ declare module BABYLON {
          * Returns the string "InstancedMesh".
          */
         getClassName(): string;
+        /** Gets the list of lights affecting that mesh */
+        readonly lightSources: Light[];
+        _resyncLightSources(): void;
+        _resyncLighSource(light: Light): void;
+        _removeLightSource(light: Light): void;
         /**
          * If the source mesh receives shadows
          */
@@ -84423,6 +84436,8 @@ declare module BABYLON {
         _unIndexed: boolean;
         /** @hidden */
         _lightSources: Light[];
+        /** Gets the list of lights affecting that mesh */
+        readonly lightSources: Light[];
         /** @hidden */
         readonly _positions: Nullable<Vector3[]>;
         /** @hidden */
@@ -106836,7 +106851,7 @@ declare module BABYLON {
         /**
          * Generates the vertex buffer of the full screen quad blending to the main canvas.
          */
-        private _genrateVertexBuffer;
+        private _generateVertexBuffer;
         /**
          * Sets the main texture desired size which is the closest power of two
          * of the engine canvas size.

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

@@ -7,7 +7,7 @@
 		exports["babylonjs-gui"] = factory(require("babylonjs"));
 	else
 		root["BABYLON"] = root["BABYLON"] || {}, root["BABYLON"]["GUI"] = factory(root["BABYLON"]);
-})((typeof self !== "undefined" ? self : typeof global !== "undefined" ? global : this), function(__WEBPACK_EXTERNAL_MODULE_babylonjs_Misc_observable__) {
+})((typeof self !== "undefined" ? self : typeof global !== "undefined" ? global : this), function(__WEBPACK_EXTERNAL_MODULE_babylonjs_Misc_tools__) {
 return /******/ (function(modules) { // webpackBootstrap
 /******/ 	// The module cache
 /******/ 	var installedModules = {};
@@ -355,7 +355,7 @@ module.exports = g;
 "use strict";
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "AdvancedDynamicTextureInstrumentation", function() { return AdvancedDynamicTextureInstrumentation; });
-/* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! babylonjs/Misc/tools */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! babylonjs/Misc/tools */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_0__);
 
 /**
@@ -498,7 +498,7 @@ var AdvancedDynamicTextureInstrumentation = /** @class */ (function () {
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "AdvancedDynamicTexture", function() { return AdvancedDynamicTexture; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _controls_container__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./controls/container */ "./2D/controls/container.ts");
 /* harmony import */ var _style__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./style */ "./2D/style.ts");
@@ -1619,7 +1619,7 @@ var Button = /** @class */ (function (_super) {
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "Checkbox", function() { return Checkbox; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _control__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./control */ "./2D/controls/control.ts");
 /* harmony import */ var _stackPanel__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./stackPanel */ "./2D/controls/stackPanel.ts");
@@ -1800,7 +1800,7 @@ var Checkbox = /** @class */ (function (_super) {
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "ColorPicker", function() { return ColorPicker; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _control__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./control */ "./2D/controls/control.ts");
 /* harmony import */ var _inputText__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./inputText */ "./2D/controls/inputText.ts");
@@ -3247,7 +3247,7 @@ var ColorPicker = /** @class */ (function (_super) {
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "Container", function() { return Container; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Misc_logger__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/logger */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Misc_logger__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/logger */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Misc_logger__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_logger__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _control__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./control */ "./2D/controls/control.ts");
 /* harmony import */ var _measure__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ../measure */ "./2D/measure.ts");
@@ -3652,7 +3652,7 @@ var Container = /** @class */ (function (_super) {
 "use strict";
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "Control", function() { return Control; });
-/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__);
 /* harmony import */ var _valueAndUnit__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../valueAndUnit */ "./2D/valueAndUnit.ts");
 /* harmony import */ var _measure__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../measure */ "./2D/measure.ts");
@@ -6212,7 +6212,7 @@ var Grid = /** @class */ (function (_super) {
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "Image", function() { return Image; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _control__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./control */ "./2D/controls/control.ts");
 
@@ -6987,7 +6987,7 @@ var InputPassword = /** @class */ (function (_super) {
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "InputText", function() { return InputText; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _control__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./control */ "./2D/controls/control.ts");
 /* harmony import */ var _valueAndUnit__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ../valueAndUnit */ "./2D/valueAndUnit.ts");
@@ -7996,7 +7996,7 @@ var InputText = /** @class */ (function (_super) {
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "Line", function() { return Line; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Maths/math */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Maths/math */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _control__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./control */ "./2D/controls/control.ts");
 /* harmony import */ var _valueAndUnit__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ../valueAndUnit */ "./2D/valueAndUnit.ts");
@@ -8264,7 +8264,7 @@ var Line = /** @class */ (function (_super) {
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "MultiLine", function() { return MultiLine; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Meshes_abstractMesh__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Meshes/abstractMesh */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Meshes_abstractMesh__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Meshes/abstractMesh */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Meshes_abstractMesh__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Meshes_abstractMesh__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _control__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./control */ "./2D/controls/control.ts");
 /* harmony import */ var _multiLinePoint__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ../multiLinePoint */ "./2D/multiLinePoint.ts");
@@ -8531,7 +8531,7 @@ var MultiLine = /** @class */ (function (_super) {
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "RadioButton", function() { return RadioButton; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _control__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./control */ "./2D/controls/control.ts");
 /* harmony import */ var _stackPanel__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./stackPanel */ "./2D/controls/stackPanel.ts");
@@ -8876,7 +8876,7 @@ var Rectangle = /** @class */ (function (_super) {
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "ScrollViewer", function() { return ScrollViewer; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Events_pointerEvents__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Events/pointerEvents */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Events_pointerEvents__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Events/pointerEvents */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Events_pointerEvents__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Events_pointerEvents__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _rectangle__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../rectangle */ "./2D/controls/rectangle.ts");
 /* harmony import */ var _grid__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ../grid */ "./2D/controls/grid.ts");
@@ -9967,7 +9967,7 @@ var SelectionPanel = /** @class */ (function (_super) {
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "BaseSlider", function() { return BaseSlider; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _control__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../control */ "./2D/controls/control.ts");
 /* harmony import */ var _valueAndUnit__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ../../valueAndUnit */ "./2D/valueAndUnit.ts");
@@ -10862,7 +10862,7 @@ var Slider = /** @class */ (function (_super) {
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "StackPanel", function() { return StackPanel; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/tools */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/tools */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _container__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./container */ "./2D/controls/container.ts");
 /* harmony import */ var _control__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./control */ "./2D/controls/control.ts");
@@ -11120,7 +11120,7 @@ __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "TextWrapping", function() { return TextWrapping; });
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "TextBlock", function() { return TextBlock; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _valueAndUnit__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../valueAndUnit */ "./2D/valueAndUnit.ts");
 /* harmony import */ var _control__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./control */ "./2D/controls/control.ts");
@@ -11560,7 +11560,7 @@ __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "KeyPropertySet", function() { return KeyPropertySet; });
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "VirtualKeyboard", function() { return VirtualKeyboard; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _stackPanel__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./stackPanel */ "./2D/controls/stackPanel.ts");
 /* harmony import */ var _button__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./button */ "./2D/controls/button.ts");
@@ -11935,7 +11935,7 @@ __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "Vector2WithInfo", function() { return Vector2WithInfo; });
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "Matrix2D", function() { return Matrix2D; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Maths/math */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Maths/math */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__);
 
 
@@ -12159,7 +12159,7 @@ var Matrix2D = /** @class */ (function () {
 "use strict";
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "Measure", function() { return Measure; });
-/* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! babylonjs/Maths/math */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! babylonjs/Maths/math */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_0__);
 
 
@@ -12292,7 +12292,7 @@ var Measure = /** @class */ (function () {
 "use strict";
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "MultiLinePoint", function() { return MultiLinePoint; });
-/* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! babylonjs/Maths/math */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! babylonjs/Maths/math */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_0__);
 /* harmony import */ var _valueAndUnit__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./valueAndUnit */ "./2D/valueAndUnit.ts");
 
@@ -12435,7 +12435,7 @@ var MultiLinePoint = /** @class */ (function () {
 "use strict";
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "Style", function() { return Style; });
-/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__);
 /* harmony import */ var _valueAndUnit__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./valueAndUnit */ "./2D/valueAndUnit.ts");
 
@@ -12742,7 +12742,7 @@ var ValueAndUnit = /** @class */ (function () {
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "AbstractButton3D", function() { return AbstractButton3D; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Meshes_transformNode__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Meshes/transformNode */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Meshes_transformNode__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Meshes/transformNode */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Meshes_transformNode__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Meshes_transformNode__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _control3D__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./control3D */ "./3D/controls/control3D.ts");
 
@@ -12785,7 +12785,7 @@ var AbstractButton3D = /** @class */ (function (_super) {
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "Button3D", function() { return Button3D; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Maths/math */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Maths/math */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _abstractButton3D__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./abstractButton3D */ "./3D/controls/abstractButton3D.ts");
 /* harmony import */ var _2D_advancedDynamicTexture__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ../../2D/advancedDynamicTexture */ "./2D/advancedDynamicTexture.ts");
@@ -12962,7 +12962,7 @@ var Button3D = /** @class */ (function (_super) {
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "Container3D", function() { return Container3D; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Meshes_transformNode__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Meshes/transformNode */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Meshes_transformNode__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Meshes/transformNode */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Meshes_transformNode__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Meshes_transformNode__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _control3D__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./control3D */ "./3D/controls/control3D.ts");
 
@@ -13119,7 +13119,7 @@ var Container3D = /** @class */ (function (_super) {
 "use strict";
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "Control3D", function() { return Control3D; });
-/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__);
 /* harmony import */ var _vector3WithInfo__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ../vector3WithInfo */ "./3D/vector3WithInfo.ts");
 
@@ -13525,7 +13525,7 @@ var Control3D = /** @class */ (function () {
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "CylinderPanel", function() { return CylinderPanel; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/tools */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/tools */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _volumeBasedPanel__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./volumeBasedPanel */ "./3D/controls/volumeBasedPanel.ts");
 /* harmony import */ var _container3D__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./container3D */ "./3D/controls/container3D.ts");
@@ -13610,7 +13610,7 @@ __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "HolographicButton", function() { return HolographicButton; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
 /* harmony import */ var _button3D__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./button3D */ "./3D/controls/button3D.ts");
-/* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! babylonjs/Maths/math */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! babylonjs/Maths/math */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_2___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_2__);
 /* harmony import */ var _materials_fluentMaterial__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ../materials/fluentMaterial */ "./3D/materials/fluentMaterial.ts");
 /* harmony import */ var _2D_controls_stackPanel__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! ../../2D/controls/stackPanel */ "./2D/controls/stackPanel.ts");
@@ -14086,7 +14086,7 @@ var MeshButton3D = /** @class */ (function (_super) {
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "PlanePanel", function() { return PlanePanel; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Maths/math */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Maths/math */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _container3D__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./container3D */ "./3D/controls/container3D.ts");
 /* harmony import */ var _volumeBasedPanel__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./volumeBasedPanel */ "./3D/controls/volumeBasedPanel.ts");
@@ -14141,7 +14141,7 @@ var PlanePanel = /** @class */ (function (_super) {
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "ScatterPanel", function() { return ScatterPanel; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/tools */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/tools */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _volumeBasedPanel__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./volumeBasedPanel */ "./3D/controls/volumeBasedPanel.ts");
 /* harmony import */ var _container3D__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./container3D */ "./3D/controls/container3D.ts");
@@ -14268,7 +14268,7 @@ var ScatterPanel = /** @class */ (function (_super) {
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "SpherePanel", function() { return SpherePanel; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/tools */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/tools */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _volumeBasedPanel__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./volumeBasedPanel */ "./3D/controls/volumeBasedPanel.ts");
 /* harmony import */ var _container3D__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./container3D */ "./3D/controls/container3D.ts");
@@ -14353,7 +14353,7 @@ var SpherePanel = /** @class */ (function (_super) {
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "StackPanel3D", function() { return StackPanel3D; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/tools */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/tools */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _container3D__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./container3D */ "./3D/controls/container3D.ts");
 
@@ -14478,7 +14478,7 @@ var StackPanel3D = /** @class */ (function (_super) {
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "VolumeBasedPanel", function() { return VolumeBasedPanel; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/tools */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/tools */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_tools__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _container3D__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./container3D */ "./3D/controls/container3D.ts");
 
@@ -14669,7 +14669,7 @@ var VolumeBasedPanel = /** @class */ (function (_super) {
 "use strict";
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "GUI3DManager", function() { return GUI3DManager; });
-/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! babylonjs/Misc/observable */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_observable__WEBPACK_IMPORTED_MODULE_0__);
 /* harmony import */ var _controls_container3D__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! ./controls/container3D */ "./3D/controls/container3D.ts");
 
@@ -14936,7 +14936,7 @@ __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "FluentMaterialDefines", function() { return FluentMaterialDefines; });
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "FluentMaterial", function() { return FluentMaterial; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/decorators */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Misc/decorators */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Misc_decorators__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _shaders_fluent_vertex__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./shaders/fluent.vertex */ "./3D/materials/shaders/fluent.vertex.ts");
 /* harmony import */ var _shaders_fluent_fragment__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ./shaders/fluent.fragment */ "./3D/materials/shaders/fluent.fragment.ts");
@@ -15258,7 +15258,7 @@ __webpack_require__.r(__webpack_exports__);
 "use strict";
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "fluentPixelShader", function() { return fluentPixelShader; });
-/* harmony import */ var babylonjs_Materials_effect__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! babylonjs/Materials/effect */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Materials_effect__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! babylonjs/Materials/effect */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Materials_effect__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Materials_effect__WEBPACK_IMPORTED_MODULE_0__);
 
 var name = 'fluentPixelShader';
@@ -15280,7 +15280,7 @@ var fluentPixelShader = { name: name, shader: shader };
 "use strict";
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "fluentVertexShader", function() { return fluentVertexShader; });
-/* harmony import */ var babylonjs_Materials_effect__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! babylonjs/Materials/effect */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Materials_effect__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! babylonjs/Materials/effect */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Materials_effect__WEBPACK_IMPORTED_MODULE_0___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Materials_effect__WEBPACK_IMPORTED_MODULE_0__);
 
 var name = 'fluentVertexShader';
@@ -15303,7 +15303,7 @@ var fluentVertexShader = { name: name, shader: shader };
 __webpack_require__.r(__webpack_exports__);
 /* harmony export (binding) */ __webpack_require__.d(__webpack_exports__, "Vector3WithInfo", function() { return Vector3WithInfo; });
 /* harmony import */ var tslib__WEBPACK_IMPORTED_MODULE_0__ = __webpack_require__(/*! tslib */ "../../node_modules/tslib/tslib.es6.js");
-/* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Maths/math */ "babylonjs/Misc/observable");
+/* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! babylonjs/Maths/math */ "babylonjs/Misc/tools");
 /* harmony import */ var babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(babylonjs_Maths_math__WEBPACK_IMPORTED_MODULE_1__);
 
 
@@ -15597,14 +15597,14 @@ if (typeof globalObject !== "undefined") {
 
 /***/ }),
 
-/***/ "babylonjs/Misc/observable":
+/***/ "babylonjs/Misc/tools":
 /*!****************************************************************************************************!*\
   !*** external {"root":"BABYLON","commonjs":"babylonjs","commonjs2":"babylonjs","amd":"babylonjs"} ***!
   \****************************************************************************************************/
 /*! no static exports found */
 /***/ (function(module, exports) {
 
-module.exports = __WEBPACK_EXTERNAL_MODULE_babylonjs_Misc_observable__;
+module.exports = __WEBPACK_EXTERNAL_MODULE_babylonjs_Misc_tools__;
 
 /***/ })
 

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

@@ -7,7 +7,7 @@
 		exports["babylonjs-inspector"] = factory(require("babylonjs-gui"), require("babylonjs-loaders"), require("babylonjs-serializers"), require("babylonjs"));
 	else
 		root["INSPECTOR"] = factory(root["BABYLON"]["GUI"], root["BABYLON"], root["BABYLON"], root["BABYLON"]);
-})((typeof self !== "undefined" ? self : typeof global !== "undefined" ? global : this), function(__WEBPACK_EXTERNAL_MODULE_babylonjs_gui_2D_controls_image__, __WEBPACK_EXTERNAL_MODULE_babylonjs_loaders_glTF_index__, __WEBPACK_EXTERNAL_MODULE_babylonjs_serializers_glTF_2_0_index__, __WEBPACK_EXTERNAL_MODULE_babylonjs_Misc_observable__) {
+})((typeof self !== "undefined" ? self : typeof global !== "undefined" ? global : this), function(__WEBPACK_EXTERNAL_MODULE_babylonjs_gui_2D_adtInstrumentation__, __WEBPACK_EXTERNAL_MODULE_babylonjs_loaders_glTF_index__, __WEBPACK_EXTERNAL_MODULE_babylonjs_serializers_glTF_2_0_index__, __WEBPACK_EXTERNAL_MODULE_babylonjs_Misc_observable__) {
 return /******/ (function(modules) { // webpackBootstrap
 /******/ 	// The module cache
 /******/ 	var installedModules = {};
@@ -36015,7 +36015,7 @@ __webpack_require__.r(__webpack_exports__);
 /* harmony import */ var react__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(react__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _lineContainerComponent__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ../../../lineContainerComponent */ "./components/actionTabs/lineContainerComponent.tsx");
 /* harmony import */ var _lines_textLineComponent__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ../../../lines/textLineComponent */ "./components/actionTabs/lines/textLineComponent.tsx");
-/* harmony import */ var babylonjs_gui_2D_controls_control__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! babylonjs-gui/2D/controls/control */ "babylonjs-gui/2D/controls/image");
+/* harmony import */ var babylonjs_gui_2D_controls_control__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! babylonjs-gui/2D/controls/control */ "babylonjs-gui/2D/adtInstrumentation");
 /* harmony import */ var babylonjs_gui_2D_controls_control__WEBPACK_IMPORTED_MODULE_4___default = /*#__PURE__*/__webpack_require__.n(babylonjs_gui_2D_controls_control__WEBPACK_IMPORTED_MODULE_4__);
 /* harmony import */ var _lines_sliderLineComponent__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! ../../../lines/sliderLineComponent */ "./components/actionTabs/lines/sliderLineComponent.tsx");
 /* harmony import */ var _lines_floatLineComponent__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! ../../../lines/floatLineComponent */ "./components/actionTabs/lines/floatLineComponent.tsx");
@@ -36316,7 +36316,7 @@ __webpack_require__.r(__webpack_exports__);
 /* harmony import */ var react__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(react__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _commonControlPropertyGridComponent__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./commonControlPropertyGridComponent */ "./components/actionTabs/tabs/propertyGrids/gui/commonControlPropertyGridComponent.tsx");
 /* harmony import */ var _lineContainerComponent__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! ../../../lineContainerComponent */ "./components/actionTabs/lineContainerComponent.tsx");
-/* harmony import */ var babylonjs_gui_2D_controls_image__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! babylonjs-gui/2D/controls/image */ "babylonjs-gui/2D/controls/image");
+/* harmony import */ var babylonjs_gui_2D_controls_image__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! babylonjs-gui/2D/controls/image */ "babylonjs-gui/2D/adtInstrumentation");
 /* harmony import */ var babylonjs_gui_2D_controls_image__WEBPACK_IMPORTED_MODULE_4___default = /*#__PURE__*/__webpack_require__.n(babylonjs_gui_2D_controls_image__WEBPACK_IMPORTED_MODULE_4__);
 /* harmony import */ var _lines_floatLineComponent__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! ../../../lines/floatLineComponent */ "./components/actionTabs/lines/floatLineComponent.tsx");
 /* harmony import */ var _lines_checkBoxLineComponent__WEBPACK_IMPORTED_MODULE_6__ = __webpack_require__(/*! ../../../lines/checkBoxLineComponent */ "./components/actionTabs/lines/checkBoxLineComponent.tsx");
@@ -36730,7 +36730,7 @@ __webpack_require__.r(__webpack_exports__);
 /* harmony import */ var react__WEBPACK_IMPORTED_MODULE_1__ = __webpack_require__(/*! react */ "../../node_modules/react/index.js");
 /* harmony import */ var react__WEBPACK_IMPORTED_MODULE_1___default = /*#__PURE__*/__webpack_require__.n(react__WEBPACK_IMPORTED_MODULE_1__);
 /* harmony import */ var _commonControlPropertyGridComponent__WEBPACK_IMPORTED_MODULE_2__ = __webpack_require__(/*! ./commonControlPropertyGridComponent */ "./components/actionTabs/tabs/propertyGrids/gui/commonControlPropertyGridComponent.tsx");
-/* harmony import */ var babylonjs_gui_2D_controls_textBlock__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! babylonjs-gui/2D/controls/textBlock */ "babylonjs-gui/2D/controls/image");
+/* harmony import */ var babylonjs_gui_2D_controls_textBlock__WEBPACK_IMPORTED_MODULE_3__ = __webpack_require__(/*! babylonjs-gui/2D/controls/textBlock */ "babylonjs-gui/2D/adtInstrumentation");
 /* harmony import */ var babylonjs_gui_2D_controls_textBlock__WEBPACK_IMPORTED_MODULE_3___default = /*#__PURE__*/__webpack_require__.n(babylonjs_gui_2D_controls_textBlock__WEBPACK_IMPORTED_MODULE_3__);
 /* harmony import */ var _lineContainerComponent__WEBPACK_IMPORTED_MODULE_4__ = __webpack_require__(/*! ../../../lineContainerComponent */ "./components/actionTabs/lineContainerComponent.tsx");
 /* harmony import */ var _lines_textInputLineComponent__WEBPACK_IMPORTED_MODULE_5__ = __webpack_require__(/*! ../../../lines/textInputLineComponent */ "./components/actionTabs/lines/textInputLineComponent.tsx");
@@ -37753,7 +37753,7 @@ __webpack_require__.r(__webpack_exports__);
 /* harmony import */ var _lines_optionsLineComponent__WEBPACK_IMPORTED_MODULE_9__ = __webpack_require__(/*! ../../../lines/optionsLineComponent */ "./components/actionTabs/lines/optionsLineComponent.tsx");
 /* harmony import */ var _lines_fileButtonLineComponent__WEBPACK_IMPORTED_MODULE_10__ = __webpack_require__(/*! ../../../lines/fileButtonLineComponent */ "./components/actionTabs/lines/fileButtonLineComponent.tsx");
 /* harmony import */ var _lines_valueLineComponent__WEBPACK_IMPORTED_MODULE_11__ = __webpack_require__(/*! ../../../lines/valueLineComponent */ "./components/actionTabs/lines/valueLineComponent.tsx");
-/* harmony import */ var babylonjs_gui_2D_adtInstrumentation__WEBPACK_IMPORTED_MODULE_12__ = __webpack_require__(/*! babylonjs-gui/2D/adtInstrumentation */ "babylonjs-gui/2D/controls/image");
+/* harmony import */ var babylonjs_gui_2D_adtInstrumentation__WEBPACK_IMPORTED_MODULE_12__ = __webpack_require__(/*! babylonjs-gui/2D/adtInstrumentation */ "babylonjs-gui/2D/adtInstrumentation");
 /* harmony import */ var babylonjs_gui_2D_adtInstrumentation__WEBPACK_IMPORTED_MODULE_12___default = /*#__PURE__*/__webpack_require__.n(babylonjs_gui_2D_adtInstrumentation__WEBPACK_IMPORTED_MODULE_12__);
 /* harmony import */ var _customPropertyGridComponent__WEBPACK_IMPORTED_MODULE_13__ = __webpack_require__(/*! ../customPropertyGridComponent */ "./components/actionTabs/tabs/propertyGrids/customPropertyGridComponent.tsx");
 
@@ -42134,14 +42134,14 @@ var Tools = /** @class */ (function () {
 
 /***/ }),
 
-/***/ "babylonjs-gui/2D/controls/image":
+/***/ "babylonjs-gui/2D/adtInstrumentation":
 /*!************************************************************************************************************************!*\
   !*** external {"root":["BABYLON","GUI"],"commonjs":"babylonjs-gui","commonjs2":"babylonjs-gui","amd":"babylonjs-gui"} ***!
   \************************************************************************************************************************/
 /*! no static exports found */
 /***/ (function(module, exports) {
 
-module.exports = __WEBPACK_EXTERNAL_MODULE_babylonjs_gui_2D_controls_image__;
+module.exports = __WEBPACK_EXTERNAL_MODULE_babylonjs_gui_2D_adtInstrumentation__;
 
 /***/ }),
 

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

@@ -548,16 +548,16 @@ var ShadowOnlyMaterial = /** @class */ (function (_super) {
         var engine = scene.getEngine();
         // Ensure that active light is the first shadow light
         if (this._activeLight) {
-            for (var _i = 0, _a = mesh._lightSources; _i < _a.length; _i++) {
+            for (var _i = 0, _a = mesh.lightSources; _i < _a.length; _i++) {
                 var light = _a[_i];
                 if (light.shadowEnabled) {
                     if (this._activeLight === light) {
                         break; // We are good
                     }
-                    var lightPosition = mesh._lightSources.indexOf(this._activeLight);
+                    var lightPosition = mesh.lightSources.indexOf(this._activeLight);
                     if (lightPosition !== -1) {
-                        mesh._lightSources.splice(lightPosition, 1);
-                        mesh._lightSources.splice(0, 0, this._activeLight);
+                        mesh.lightSources.splice(lightPosition, 1);
+                        mesh.lightSources.splice(0, 0, this._activeLight);
                     }
                     break;
                 }

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

@@ -4649,16 +4649,16 @@ var ShadowOnlyMaterial = /** @class */ (function (_super) {
         var engine = scene.getEngine();
         // Ensure that active light is the first shadow light
         if (this._activeLight) {
-            for (var _i = 0, _a = mesh._lightSources; _i < _a.length; _i++) {
+            for (var _i = 0, _a = mesh.lightSources; _i < _a.length; _i++) {
                 var light = _a[_i];
                 if (light.shadowEnabled) {
                     if (this._activeLight === light) {
                         break; // We are good
                     }
-                    var lightPosition = mesh._lightSources.indexOf(this._activeLight);
+                    var lightPosition = mesh.lightSources.indexOf(this._activeLight);
                     if (lightPosition !== -1) {
-                        mesh._lightSources.splice(lightPosition, 1);
-                        mesh._lightSources.splice(0, 0, this._activeLight);
+                        mesh.lightSources.splice(lightPosition, 1);
+                        mesh.lightSources.splice(0, 0, this._activeLight);
                     }
                     break;
                 }

dist/preview release/packagesSizeBaseLine.json

@@ -1 +1 @@
-{"engineOnly":288960,"sceneOnly":495379,"minGridMaterial":620400,"minStandardMaterial":743706}
+{"engineOnly":288979,"sceneOnly":495519,"minGridMaterial":620549,"minStandardMaterial":743855}

dist/preview release/viewer/babylon.module.d.ts

@@ -17135,6 +17135,7 @@ declare module "babylonjs/Meshes/instancedMesh" {
     import { Mesh } from "babylonjs/Meshes/mesh";
     import { Material } from "babylonjs/Materials/material";
     import { Skeleton } from "babylonjs/Bones/skeleton";
+    import { Light } from "babylonjs/Lights/light";
     /**
      * Creates an instance based on a source mesh.
      */
@@ -17148,6 +17149,11 @@ declare module "babylonjs/Meshes/instancedMesh" {
          * Returns the string "InstancedMesh".
          */
         getClassName(): string;
+        /** Gets the list of lights affecting that mesh */
+        readonly lightSources: Light[];
+        _resyncLightSources(): void;
+        _resyncLighSource(light: Light): void;
+        _removeLightSource(light: Light): void;
         /**
          * If the source mesh receives shadows
          */
@@ -25162,6 +25168,8 @@ declare module "babylonjs/Meshes/abstractMesh" {
         _unIndexed: boolean;
         /** @hidden */
         _lightSources: Light[];
+        /** Gets the list of lights affecting that mesh */
+        readonly lightSources: Light[];
         /** @hidden */
         readonly _positions: Nullable<Vector3[]>;
         /** @hidden */
@@ -48867,7 +48875,7 @@ declare module "babylonjs/Layers/effectLayer" {
         /**
          * Generates the vertex buffer of the full screen quad blending to the main canvas.
          */
-        private _genrateVertexBuffer;
+        private _generateVertexBuffer;
         /**
          * Sets the main texture desired size which is the closest power of two
          * of the engine canvas size.
@@ -76663,6 +76671,11 @@ declare module BABYLON {
          * Returns the string "InstancedMesh".
          */
         getClassName(): string;
+        /** Gets the list of lights affecting that mesh */
+        readonly lightSources: Light[];
+        _resyncLightSources(): void;
+        _resyncLighSource(light: Light): void;
+        _removeLightSource(light: Light): void;
         /**
          * If the source mesh receives shadows
          */
@@ -84423,6 +84436,8 @@ declare module BABYLON {
         _unIndexed: boolean;
         /** @hidden */
         _lightSources: Light[];
+        /** Gets the list of lights affecting that mesh */
+        readonly lightSources: Light[];
         /** @hidden */
         readonly _positions: Nullable<Vector3[]>;
         /** @hidden */
@@ -106836,7 +106851,7 @@ declare module BABYLON {
         /**
          * Generates the vertex buffer of the full screen quad blending to the main canvas.
          */
-        private _genrateVertexBuffer;
+        private _generateVertexBuffer;
         /**
          * Sets the main texture desired size which is the closest power of two
          * of the engine canvas size.

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

@@ -197,11 +197,11 @@ declare module BabylonViewer {
                 * Mainly used for help and errors
                 * @param subScreen the name of the subScreen. Those can be defined in the configuration object
                 */
-            showOverlayScreen(subScreen: string): Promise<string> | Promise<Template>;
+            showOverlayScreen(subScreen: string): Promise<Template> | Promise<string>;
             /**
                 * Hide the overlay screen.
                 */
-            hideOverlayScreen(): Promise<string> | Promise<Template>;
+            hideOverlayScreen(): Promise<Template> | Promise<string>;
             /**
                 * show the viewer (in case it was hidden)
                 *
@@ -218,11 +218,11 @@ declare module BabylonViewer {
                 * Show the loading screen.
                 * The loading screen can be configured using the configuration object
                 */
-            showLoadingScreen(): Promise<string> | Promise<Template>;
+            showLoadingScreen(): Promise<Template> | Promise<string>;
             /**
                 * Hide the loading screen
                 */
-            hideLoadingScreen(): Promise<string> | Promise<Template>;
+            hideLoadingScreen(): Promise<Template> | Promise<string>;
             dispose(): void;
             protected _onConfigurationLoaded(configuration: ViewerConfiguration): void;
     }
@@ -951,7 +951,7 @@ declare module BabylonViewer {
       * @param name the name of the custom optimizer configuration
       * @param upgrade set to true if you want to upgrade optimizer and false if you want to degrade
       */
-    export function getCustomOptimizerByName(name: string, upgrade?: boolean): (sceneManager: SceneManager) => boolean;
+    export function getCustomOptimizerByName(name: string, upgrade?: boolean): typeof extendedUpgrade;
     export function registerCustomOptimizer(name: string, optimizer: (sceneManager: SceneManager) => boolean): void;
 }
 declare module BabylonViewer {
@@ -1594,6 +1594,20 @@ declare module BabylonViewer {
     export function addLoaderPlugin(name: string, plugin: ILoaderPlugin): void;
 }
 declare module BabylonViewer {
+    /**
+        * A custom upgrade-oriented function configuration for the scene optimizer.
+        *
+        * @param viewer the viewer to optimize
+        */
+    export function extendedUpgrade(sceneManager: SceneManager): boolean;
+    /**
+        * A custom degrade-oriented function configuration for the scene optimizer.
+        *
+        * @param viewer the viewer to optimize
+        */
+    export function extendedDegrade(sceneManager: SceneManager): boolean;
+}
+declare module BabylonViewer {
     export interface IEnvironmentMapConfiguration {
             /**
                 * Environment map texture path in relative to the asset folder.

dist/preview release/viewer/babylon.viewer.module.d.ts

@@ -230,11 +230,11 @@ declare module 'babylonjs-viewer/viewer/defaultViewer' {
                 * Mainly used for help and errors
                 * @param subScreen the name of the subScreen. Those can be defined in the configuration object
                 */
-            showOverlayScreen(subScreen: string): Promise<string> | Promise<Template>;
+            showOverlayScreen(subScreen: string): Promise<Template> | Promise<string>;
             /**
                 * Hide the overlay screen.
                 */
-            hideOverlayScreen(): Promise<string> | Promise<Template>;
+            hideOverlayScreen(): Promise<Template> | Promise<string>;
             /**
                 * show the viewer (in case it was hidden)
                 *
@@ -251,11 +251,11 @@ declare module 'babylonjs-viewer/viewer/defaultViewer' {
                 * Show the loading screen.
                 * The loading screen can be configured using the configuration object
                 */
-            showLoadingScreen(): Promise<string> | Promise<Template>;
+            showLoadingScreen(): Promise<Template> | Promise<string>;
             /**
                 * Hide the loading screen
                 */
-            hideLoadingScreen(): Promise<string> | Promise<Template>;
+            hideLoadingScreen(): Promise<Template> | Promise<string>;
             dispose(): void;
             protected _onConfigurationLoaded(configuration: ViewerConfiguration): void;
     }
@@ -1031,13 +1031,14 @@ declare module 'babylonjs-viewer/templating/viewerTemplatePlugin' {
 }
 
 declare module 'babylonjs-viewer/optimizer/custom' {
+    import { extendedUpgrade } from "babylonjs-viewer/optimizer/custom/extended";
     import { SceneManager } from "babylonjs-viewer/managers/sceneManager";
     /**
       *
       * @param name the name of the custom optimizer configuration
       * @param upgrade set to true if you want to upgrade optimizer and false if you want to degrade
       */
-    export function getCustomOptimizerByName(name: string, upgrade?: boolean): (sceneManager: SceneManager) => boolean;
+    export function getCustomOptimizerByName(name: string, upgrade?: boolean): typeof extendedUpgrade;
     export function registerCustomOptimizer(name: string, optimizer: (sceneManager: SceneManager) => boolean): void;
 }
 
@@ -1737,6 +1738,22 @@ declare module 'babylonjs-viewer/loader/plugins' {
     export function addLoaderPlugin(name: string, plugin: ILoaderPlugin): void;
 }
 
+declare module 'babylonjs-viewer/optimizer/custom/extended' {
+    import { SceneManager } from 'babylonjs-viewer/managers/sceneManager';
+    /**
+        * A custom upgrade-oriented function configuration for the scene optimizer.
+        *
+        * @param viewer the viewer to optimize
+        */
+    export function extendedUpgrade(sceneManager: SceneManager): boolean;
+    /**
+        * A custom degrade-oriented function configuration for the scene optimizer.
+        *
+        * @param viewer the viewer to optimize
+        */
+    export function extendedDegrade(sceneManager: SceneManager): boolean;
+}
+
 declare module 'babylonjs-viewer/configuration/interfaces' {
     export * from 'babylonjs-viewer/configuration/interfaces/cameraConfiguration';
     export * from 'babylonjs-viewer/configuration/interfaces/colorGradingConfiguration';

materialsLibrary/src/shadowOnly/shadowOnlyMaterial.ts

@@ -90,17 +90,17 @@ export class ShadowOnlyMaterial extends PushMaterial {
 
         // Ensure that active light is the first shadow light
         if (this._activeLight) {
-            for (var light of mesh._lightSources) {
+            for (var light of mesh.lightSources) {
                 if (light.shadowEnabled) {
                     if (this._activeLight === light) {
                         break; // We are good
                     }
 
-                    var lightPosition = mesh._lightSources.indexOf(this._activeLight);
+                    var lightPosition = mesh.lightSources.indexOf(this._activeLight);
 
                     if (lightPosition !== -1) {
-                        mesh._lightSources.splice(lightPosition, 1);
-                        mesh._lightSources.splice(0, 0, this._activeLight);
+                        mesh.lightSources.splice(lightPosition, 1);
+                        mesh.lightSources.splice(0, 0, this._activeLight);
                     }
                     break;
                 }

src/Layers/effectLayer.ts

@@ -171,7 +171,7 @@ export abstract class EffectLayer {
 
         // Generate Buffers
         this._generateIndexBuffer();
-        this._genrateVertexBuffer();
+        this._generateVertexBuffer();
     }
 
     /**
@@ -270,7 +270,7 @@ export abstract class EffectLayer {
     /**
      * Generates the vertex buffer of the full screen quad blending to the main canvas.
      */
-    private _genrateVertexBuffer(): void {
+    private _generateVertexBuffer(): void {
         // VBO
         var vertices = [];
         vertices.push(1, 1);
@@ -654,7 +654,7 @@ export abstract class EffectLayer {
             return;
         }
 
-        var hardwareInstancedRendering = (engine.getCaps().instancedArrays) && (batch.visibleInstances[subMesh._id] !== null) && (batch.visibleInstances[subMesh._id] !== undefined);
+        var hardwareInstancedRendering = batch.hardwareInstancedRendering[subMesh._id];
 
         this._setEmissiveTextureAndColor(mesh, subMesh, material);
 

src/Lights/light.ts

@@ -688,7 +688,7 @@ export abstract class Light extends Node {
      */
     public _markMeshesAsLightDirty() {
         for (var mesh of this.getScene().meshes) {
-            if (mesh._lightSources.indexOf(this) !== -1) {
+            if (mesh.lightSources.indexOf(this) !== -1) {
                 mesh._markSubMeshesAsLightDirty();
             }
         }

src/Materials/materialHelper.ts

@@ -266,7 +266,7 @@ export class MaterialHelper {
         var specularEnabled = false;
 
         if (scene.lightsEnabled && !disableLighting) {
-            for (var light of mesh._lightSources) {
+            for (var light of mesh.lightSources) {
                 needNormals = true;
 
                 if (defines["LIGHT" + lightIndex] === undefined) {
@@ -594,11 +594,11 @@ export class MaterialHelper {
      * @param usePhysicalLightFalloff Specifies whether the light falloff is defined physically or not
      */
     public static BindLights(scene: Scene, mesh: AbstractMesh, effect: Effect, defines: any, maxSimultaneousLights = 4, usePhysicalLightFalloff = false): void {
-        let len = Math.min(mesh._lightSources.length, maxSimultaneousLights);
+        let len = Math.min(mesh.lightSources.length, maxSimultaneousLights);
 
         for (var i = 0; i < len; i++) {
 
-            let light = mesh._lightSources[i];
+            let light = mesh.lightSources[i];
             let iAsString = i.toString();
 
             let scaledIntensity = light.getScaledIntensity();

src/Meshes/abstractMesh.ts

@@ -586,6 +586,11 @@ export class AbstractMesh extends TransformNode implements IDisposable, ICullabl
     /** @hidden */
     public _lightSources = new Array<Light>();
 
+    /** Gets the list of lights affecting that mesh */
+    public get lightSources(): Light[] {
+        return this._lightSources;
+    }
+
     /** @hidden */
     public get _positions(): Nullable<Vector3[]> {
         return null;

src/Meshes/instancedMesh.ts

@@ -9,6 +9,7 @@ import { Material } from "../Materials/material";
 import { Skeleton } from "../Bones/skeleton";
 import { DeepCopier } from "../Misc/deepCopier";
 import { TransformNode } from './transformNode';
+import { Light } from '../Lights/light';
 
 Mesh._instancedMeshFactory = (name: string, mesh: Mesh): InstancedMesh => {
     return new InstancedMesh(name, mesh);
@@ -54,6 +55,23 @@ export class InstancedMesh extends AbstractMesh {
         return "InstancedMesh";
     }
 
+    /** Gets the list of lights affecting that mesh */
+    public get lightSources(): Light[] {
+        return this._sourceMesh._lightSources;
+    }
+
+    public _resyncLightSources(): void {
+        // Do nothing as all the work will be done by source mesh
+    }
+
+    public _resyncLighSource(light: Light): void {
+        // Do nothing as all the work will be done by source mesh
+    }
+
+    public _removeLightSource(light: Light): void {
+        // Do nothing as all the work will be done by source mesh
+    }
+
     // Methods
     /**
      * If the source mesh receives shadows

src/Meshes/mesh.ts

@@ -865,7 +865,7 @@ export class Mesh extends AbstractMesh implements IGetSetVerticesData {
         }
 
         // Shadows
-        for (var light of this._lightSources) {
+        for (var light of this.lightSources) {
             let generator = light.getShadowGenerator();
 
             if (generator) {

src/scene.ts

@@ -2212,8 +2212,8 @@ export class Scene extends AbstractScene implements IAnimatable {
 
         // Add light to all meshes (To support if the light is removed and then readded)
         for (var mesh of this.meshes) {
-            if (mesh._lightSources.indexOf(newLight) === -1) {
-                mesh._lightSources.push(newLight);
+            if (mesh.lightSources.indexOf(newLight) === -1) {
+                mesh.lightSources.push(newLight);
                 mesh._resyncLightSources();
             }
         }