template<typename VertexType> static void CalculateVertexNormals ( [TArray](API\Runtime\Core\Containers\TArray)< [FAccumulatedNormal](API\Runtime\AugmentedReality\FAccumulatedNormal) > & AccumulatedNormals, const [TArray](API\Runtime\Core\Containers\TArray)< VertexType > & Vertices, const [TArray](API\Runtime\Core\Containers\TArray)< uint32 > & Indices, [TArray](API\Runtime\Core\Containers\TArray)< [FPackedNormal](API\Runtime\RenderCore\FPackedNormal) > & OutTangentData, FVector MeshCenter, float PositionScale )