The ID flag of the system.
Gets the instance of the tween system.
Gets the action manager.
Init the system, will be invoked by Director when registered, should be implemented if needed.
The postUpdate will auto execute after all compnents update and lateUpdate.
间隔时间
Update function of the system, it will be invoked between all components update phase and late update phase.
Delta time after the last frame
Sorting between different systems.
System a
System b
Generated using TypeDoc
Tween system.