update(_:)
Tells your app to perform any app-specific logic to update your scene.
Declaration
func update(_ currentTime: TimeInterval)Parameters
- currentTime:
The current system time.
Mentioned in
Discussion
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. This is the first method called when animating the scene, before any actions are evaluated and before any physics are simulated.