static FVector3d MeanValueCentroid ( const [FDynamicMesh3](API\Runtime\GeometryCore\DynamicMesh\FDynamicMesh3) & Mesh, int32 VertexIndex, [TFunctionRef](API\Runtime\Core\GenericPlatform\TFunctionRef)< FVector3d(int32)> VertexPositionFunc, double WeightClamp )