Initializes a scene source for reading the scene graph from a specified file.
- iOS 8.0+
- macOS 10.8+
- tvOS 9.0+
- watchOS 3.0+
The URL identifying the scene.
A dictionary containing options that affect scene loading. See Scene Loading Options for available keys and values. Pass
nilto use default options.
An initialized scene source object, or
nil if initialization was not successful.
If you have the contents of a scene file but not the file itself (for example, if your app downloads scene files from the network), use the
init method instead.