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#745 Unreal - Tick Functions, Delta Time, and the Task Graph   concept     tick_tag     time_tag     UE4     9 months ago (owner) Document
引文
Ticking in UE is more complex than you might think.
There are actually two different ticking implementations you can leverage in UE.
  • The first uses FTickFunction and supports features like TickGroups,TickIntervals,TickDependencies. This is what AActor uses.
  • The second is is for gamethread tickable objects. To use, just inherit from FTickableObjectBase and override tick. It is ticked by UWorld::Tick after all the other groups fire. It is often used by object managers like Niagara, AI, Sequencer, and NetworkReplayStreaming.
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