public static extern void GeomTriMeshSetRayCallback(IntPtr g, TriRayCallback callback);
public static extern IntPtr CreateTriMesh(IntPtr space, IntPtr data, TriCallback callback, TriArrayCallback arrayCallback, TriRayCallback rayCallback);
public static IntPtr CreateTriMesh(IntPtr space, IntPtr data, TriCallback callback, TriArrayCallback arrayCallback, TriRayCallback rayCallback) { NTotalGeoms++; return CreateiTriMesh(space, data, callback, arrayCallback, rayCallback); }