Convenience accessor for one of the LUXARAPP's managed SceneLoaders
(it reads SceneLoaderManager.getInstance). App code only: a
LuxarLayer looks its loaders up in its own manager.
Parameters
Optionalid: string
Loader id to look up; omit to return the manager's default loader.
Convenience accessor for one of the LUXARAPP's managed SceneLoaders (it reads SceneLoaderManager.getInstance). App code only: a
LuxarLayerlooks its loaders up in its own manager.