Undo change to sandbox

sandbox/index.js

@@ -166,7 +166,7 @@ if (BABYLON.Engine.isSupported()) {
                 currentScene.environmentTexture = BABYLON.CubeTexture.CreateFromPrefilteredData(skyboxPath, currentScene);
             }
 
-            currentSkybox = currentScene.createDefaultSkybox(currentScene.environmentTexture, true, (currentScene.activeCamera.maxZ - currentScene.activeCamera.minZ) / 2, 0, false);
+            currentSkybox = currentScene.createDefaultSkybox(currentScene.environmentTexture, true, (currentScene.activeCamera.maxZ - currentScene.activeCamera.minZ) / 2, 0.3, false);
         }
         else {
             currentScene.createDefaultLight();