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

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FPBDRigidsEvolutionBase::UpdateExternalAccelerationStructure_External

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

Windows

MacOS

Linux

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_External
(
ISpatialAccelerationCollection< FAccelerationStructureHandle, FReal, 3 > *& ExternalStructure,
FPendingSpatialDataQueue & PendingExternal
)

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. You probably want to go through solver which maintains PendingExternal

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