Tells your app to peform any necessary logic after constraints are applied.
- iOS 8.0+
- macOS 10.10+
- tvOS 9.0+
- watchOS 2.0+
Do not call this method directly; it is called exactly once per frame, so long as the scene is presented in a view and is not paused. By default, this method does nothing. Your scene subclass should override this method and perform any necessary updates to the scene.