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API > API/Runtime > API/Runtime/Chaos > API/Runtime/Chaos/IRewindCallback
References
| Module | Chaos |
| Header | /Engine/Source/Runtime/Experimental/Chaos/Public/RewindData.h |
| Include | #include "RewindData.h" |
virtual void PreResimStep_Internal
&40;
int32 PhysicsStep,
bool bFirstStep
&41;
Remarks
Called before each rewind step. This is to give user code the opportunity to trigger other code before each rewind step Usually to simulate external systems that ran in lock step with the physics sim