Version: 2020.3
public void SetSubMesh (int index, Rendering.SubMeshDescriptor desc, Rendering.MeshUpdateFlags flags);

参数

index The index of the sub-mesh to set data for. See subMeshCount. If you specify an out of range index, Unity throws an exception.
desc 子网格数据。
flags Flags controlling the function behavior. See MeshUpdateFlags.

描述

Sets the data for a sub-mesh of the Mesh that Unity creates from the MeshData.

See Mesh.SetSubMesh for more information on setting sub-mesh data. If you call this method on a read-only MeshData, Unity throws an exception.