A Boolean value that determines whether to run actions, animations, particle systems, and physics simulations in the scene graph.
- iOS 8.0+
- macOS 10.10+
- tvOS 9.0+
- watchOS 2.0+
false (the default), SceneKit continuously updates and renders the contents of the scene. Pausing a scene pauses any running animations or actions attached to the scene graph, and suspends updates of the scene’s physics simulation and any particle systems in the scene.