Making sure glb extension is loaded.

src/Gamepad/Controllers/babylon.windowsMotionController.ts

@@ -204,7 +204,7 @@ module BABYLON {
             let filename: string;
 
             // Checking if GLB loader is present
-            if (SceneLoader.GetPluginForExtension("glb")) {
+            if (SceneLoader.IsPluginForExtensionAvailable("glb")) {
                 // Determine the device specific folder based on the ID suffix
                 let device = 'default';
                 if (this.id && !forceDefault) {

src/Loading/babylon.sceneLoader.ts

@@ -216,6 +216,10 @@
             return SceneLoader._getPluginForExtension(extension).plugin;
         }
 
+        public static IsPluginForExtensionAvailable(extension: string): boolean {
+            return !!SceneLoader._registeredPlugins[extension];
+        }
+
         public static RegisterPlugin(plugin: ISceneLoaderPlugin | ISceneLoaderPluginAsync): void {
             if (typeof plugin.extensions === "string") {
                 var extension = <string>plugin.extensions;