OptionalextensionOptionalframeThe frame configuration object.
The key of the file. Must be unique within both the Loader and the Texture Manager.
OptionalnormalThe filename of an associated normal map. It uses the same path and url to load as the image.
OptionalurlThe absolute or relative URL to load the file from.
OptionalxhrExtra XHR Settings specifically for this file.
The default file extension to use if no url is provided.