TArray< TPair< FOffsetIndex, FIndex > > VertexPlanesOffsetCount
Array of [offset, count] for each vertex that gives the set of indices in the VertexPlanes flattened array.
TArray< TPair< FOffsetIndex, FIndex > > VertexPlanesOffsetCount
Array of [offset, count] for each vertex that gives the set of indices in the VertexPlanes flattened array.