OptionalfixedCalled with fixed timestep for physics calculations
Called when a scene becomes inactive, but still remains in memory
Called when a scene is loaded. Used to load required resources for the system such as images, fonts, etc.
Called when the world is being destroyed
OptionalonCalled when the world is first loaded. Used to load global resources such as bundle with game user interface
OptionalonCalled every frame with variable timestep
Audio system that manages audio playback for actors with AudioSource components