Tells you to peform any necessary logic after constraints are applied.
- iOS 8.0+
- macOS 10.10+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 3.0+
The scene that is being animated.
Do not call this method directly; it is called by the system exactly once per frame, so long as the scene is presented in a view and is not paused. It is called after any enabled constraints in the scene have been applied.
Any additional actions applied are not evaluated until the next update.
Any changes to physics bodies is not simulated until the next update.
Any changes to constraints will not be applied until the next update.