The data type for each element in the submesh’s index buffer.
- iOS 9.0+
- macOS 10.11+
- Mac Catalyst 13.0+
- tvOS 9.0+
For optimum performance, an index buffer should generally use the smallest possible data type to fit its number of indices.
Working with a Submesh’s Index Buffer
An object that provides index data for the submesh.
The number of indices in the submesh’s index buffer.
The type of geometric primitives described by the submesh’s index buffer.
A description of how the non-uniform layout of the submesh’s index buffer defines the shape of the mesh.