/// <summary>
/// Add a contour to the current polygon.
/// </summary>
/// <param name="contourVertices">
///
/// </param>
public void AddContour(Vertex3d[] contourVertices, Vertex3d normal)
{
if (contourVertices == null)
{
throw new ArgumentNullException("contourVertices");
}
MemoryLock countourLock = new MemoryLock(contourVertices);
// Dispose later
_CountourLocks.Add(countourLock);
// Set to Vertex3d.Zero to compute automatically
Glu.TessNormal(_Tess, normal.x, normal.x, normal.z);
IntPtr vLockAddr = countourLock.Address;
Glu.TessBeginContour(_Tess);
foreach (Vertex3d v in contourVertices)
{
Glu.TessVertex(_Tess, vLockAddr, vLockAddr);
vLockAddr = new IntPtr(vLockAddr.ToInt64() + 24);
}
Glu.TessEndContour(_Tess);
}
