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> Unreal Engine API Reference > Runtime > GeometryCore > Spatial > TMeshAABBTree3 > BuildTopDown

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BuildTopDown

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		Name	Description
	void	BuildTopDown ( bool bSorted )
	void	BuildTopDown ( bool bSorted, TriIndexEnumerable TriangleList, int32 NumTriangles )
	void	BuildTopDown ( TArray< int >& Triangles, TArray< FVector3d >& Centers, int32 NumTriangles )