IDirect3DRMMeshBuilder::GenerateNormals

Processes the Direct3DRMMeshBuilder object and generates vertex normals that are the average of each vertex's adjoining face normals.

HRESULT GenerateNormals( );

Return Values

Returns D3DRM_OK if successful, or an error otherwise. For a list of possible return codes, see Direct3D Retained-Mode Return Values.

Remarks

Averaging the normals of back-to-back faces produces a zero normal.