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> Unreal Engine API Reference > Runtime > Chaos > Chaos > FPBDRigidsEvolutionBase > FPBDRigidsEvolutionBase::UpdateExternalAccelerationStructure

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FPBDRigidsEvolutionBase::UpdateExternalAccelerationStructure

Make a copy of the acceleration structure to allow for external modification.

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References

Module	Chaos
Header	/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/PBDRigidsEvolution.h
Include	#include "Chaos/PBDRigidsEvolution.h"
Source	/Engine/Source/Runtime/Experimental/Chaos/Private/Chaos/PBDRigidsEvolution.cpp

Syntax

void UpdateExternalAccelerationStructure
(
TUniquePtr< ISpatialAccelerationCollection< TAccelerationStructureHandle< FReal, 3 >, FReal, 3 >> & ExternalStructure
)

Remarks

Make a copy of the acceleration structure to allow for external modification. This is needed for supporting sync operations on SQ structure from game thread

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