Merge pull request #4436 from sebavan/Env

Swap Default environment to .env

dist/preview release/what's new.md

@@ -6,11 +6,12 @@
 - Added new `MixMaterial` to the Materials Library allowing to mix up to 8 textures ([julien-moreau](https://github.com/julien-moreau))
 - Added new `PhotoDome` object to display 360 photos. [Demo](https://www.babylonjs-playground.com/#14KRGG#0) ([SzeyinLee](https://github.com/SzeyinLee))
 - New GUI 3D controls toolset. [Complete doc + demos](http://doc.babylonjs.com/how_to/gui3d) ([Deltakosh](https://github.com/deltakosh))
-- Added Environmnent Texture Tools to reduce the size of the usual .DDS file ([sebavan](http://www.github.com/sebavan))
+- Added Environmnent Texture Tools to reduce the size of the usual .DDS file ([sebavan](http://www.github.com/sebavan)). [How to](https://doc.babylonjs.com/how_to/physically_based_rendering#creating-a-compressed-environment-texture)
 
 ## Updates
 
 - All NPM packages have `latest`and `preview` streams [#3055](https://github.com/BabylonJS/Babylon.js/issues/3055) ([RaananW](https://github.com/RaananW))
+- Added New Tools Tab in the inspector (env texture and screenshot tools so far) ([sebavan](http://www.github.com/sebavan))
 
 ### Core Engine
 

src/Helpers/babylon.environmentHelper.ts

@@ -186,7 +186,7 @@ module BABYLON {
         /**
          * Default environment texture URL.
          */
-        private static _environmentTextureCDNUrl = "https://assets.babylonjs.com/environments/environmentSpecular.dds";
+        private static _environmentTextureCDNUrl = "https://assets.babylonjs.com/environments/environmentSpecular.env";
 
         /**
          * Creates the default options for the helper.

src/Materials/Textures/babylon.hdrCubeTexture.ts

@@ -137,6 +137,10 @@ module BABYLON {
          */
         private loadTexture() {
             var callback = (buffer: ArrayBuffer): Nullable<ArrayBufferView[]> => {
+
+                this.lodGenerationOffset = 0.0;
+                this.lodGenerationScale = 0.8;
+
                 let scene = this.getScene();
 
                 if (!scene) {