/// <summary>
/// Adds a face to the vertex's face list if the face index is in range. (Some
/// shapes, such as the Cobra Mk III, use $ff for their vertex face values even
/// though fewer than 16 faces are defined.)
/// </summary>
private void AddVertexFace(VisWireframe vw, int vindex, int face, int faceCount)
{
if (face < faceCount)
{
vw.AddVertexFace(vindex, face);
}
}