Unreal Engine Issues

UE-76873

Each changing collision response increases FPhysXTask count

Each changing collision response increases FPhysXTask count

EPS
Description

calling SetCollisionResponseToChannel or something similar, FPhysXTask will ever increase .

Finally, it causes serious frame rate drop.

That count can be reset by calling RecreatePhysicsState.

 

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Steps to Reproduce
  1. Open the attached project on the ue4.22.3 from launcher
  2. Open /Game/Map/TestMap
  3. Play then observe FPhysXTask count and GameTickTime

 

Community References

Physics performance problem 70ms/f

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Won't Fix
ComponentUE - Simulation - Physics
Affects Versions4.22.3
CreatedJul 8, 2019
ResolvedAug 27, 2021
UpdatedAug 27, 2021
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