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> Unreal Engine API Reference > Runtime > Chaos > Chaos > TPBDRigidClustering > GetClusterIdsArray > TPBDRigidClustering::GetClusterIdsArray

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TPBDRigidClustering::GetClusterIdsArray

GetClusterIdsArray The cluster ids provide a mapping from the rigid body index to its parent cluster id.

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References

Module	Chaos
Header	/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/PBDRigidClustering.h
Include	#include "Chaos/PBDRigidClustering.h"

Syntax

TArrayCollectionArray< ClusterId > & GetClusterIdsArray()

Remarks

GetClusterIdsArray The cluster ids provide a mapping from the rigid body index to its parent cluster id. The parent id might not be the active id, see the GetActiveClusterIndex to find the active cluster. INDEX_NONE represents a non-clustered body.

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