OptionalextensionOptionalflipFlip the UV coordinates stored in the model data?
The key of the file. Must be unique within both the Loader and the OBJ Cache.
OptionalmatThe default material file extension to use if no url is provided.
OptionalmatAn optional absolute or relative URL to the object material file from. If undefined or null, no material file will be loaded.
OptionalurlThe absolute or relative URL to load this file from. If undefined or null it will be set to <key>.obj, i.e. if key was "alien" then the URL will be "alien.obj".
OptionalxhrExtra XHR Settings specifically for this file.
The default file extension to use if no url is provided.