new observables

dist/preview release/packagesSizeBaseLine.json

@@ -1 +1 @@
-{"thinEngineOnly":115808,"engineOnly":152211,"sceneOnly":511359,"minGridMaterial":644592,"minStandardMaterial":786872}
+{"thinEngineOnly":115808,"engineOnly":152211,"sceneOnly":511359,"minGridMaterial":644636,"minStandardMaterial":786986}

dist/preview release/what's new.md

@@ -3,6 +3,7 @@
 ## Major updates
 
 - Added particle editor to the Inspector ([Deltakosh](https://github.com/deltakosh))
+- Added sprite editor to the Inspector ([Deltakosh](https://github.com/deltakosh))
 - Added the `ShadowDepthWrapper` class to support accurate shadow generation for custom as well as node material shaders. [Doc](https://doc.babylonjs.com/babylon101/shadows#custom-shadow-map-shaders) ([Popov72](https://github.com/Popov72))
 - Added Babylon.js Texture [tools](https://www.babylonjs.com/tools/ibl) to prefilter HDR files ([Sebavan](https://github.com/sebavan/))
 - Added editing of PBR materials and Post processes in the node material editor ([Popov72](https://github.com/Popov72))
@@ -21,6 +22,7 @@
 - The Mesh Asset Task also accepts File as sceneInput ([RaananW](https://github.com/RaananW))
 - Added support preserving vert colors for CSG objects ([PirateJC](https://github.com/PirateJC))
 - Added support in `ShadowGenerator` for fast fake soft transparent shadows ([Popov72](https://github.com/Popov72))
+- Added `boundingBoxRenderer.onBeforeBoxRenderingObservable` and `boundingBoxRenderer.onAfterBoxRenderingObservable` ([Deltakosh](https://github.com/deltakosh))
 
 ### Engine
 

src/Rendering/boundingBoxRenderer.ts

@@ -18,6 +18,7 @@ import "../Shaders/color.fragment";
 import "../Shaders/color.vertex";
 import { DataBuffer } from '../Meshes/dataBuffer';
 import { Color3 } from '../Maths/math.color';
+import { Observable } from '../Misc/observable';
 
 declare module "../scene" {
     export interface Scene {
@@ -118,6 +119,17 @@ export class BoundingBoxRenderer implements ISceneComponent {
      * Defines if the renderer should show the back lines or not
      */
     public showBackLines = true;
+
+    /**
+     * Observable raised before rendering a bounding box
+     */
+    public onBeforeBoxRenderingObservable = new Observable<BoundingBox>();
+
+    /**
+     * Observable raised after rendering a bounding box
+     */
+    public onAfterBoxRenderingObservable = new Observable<BoundingBox>();
+
     /**
      * @hidden
      */
@@ -237,6 +249,9 @@ export class BoundingBoxRenderer implements ISceneComponent {
             if (boundingBox._tag !== renderingGroupId) {
                 continue;
             }
+
+            this.onBeforeBoxRenderingObservable.notifyObservers(boundingBox);
+
             var min = boundingBox.minimum;
             var max = boundingBox.maximum;
             var diff = max.subtract(min);
@@ -268,6 +283,8 @@ export class BoundingBoxRenderer implements ISceneComponent {
 
             // Draw order
             engine.drawElementsType(Material.LineListDrawMode, 0, 24);
+
+            this.onAfterBoxRenderingObservable.notifyObservers(boundingBox);
         }
         this._colorShader.unbind();
         engine.setDepthFunctionToLessOrEqual();
@@ -327,6 +344,9 @@ export class BoundingBoxRenderer implements ISceneComponent {
             return;
         }
 
+        this.onBeforeBoxRenderingObservable.clear();
+        this.onAfterBoxRenderingObservable.clear();
+
         this.renderList.dispose();
 
         this._colorShader.dispose();