[DllImport("FFD")] public static extern void ffdLatticeSetup(ref ffdLatticeData lattice, ref ffdLatticeWeightsData weights, IntPtr points);
[DllImport("FFD")] public static extern void ffdLatticeApplyDeform(ref ffdLatticeData lattice, ref ffdLatticeWeightsData weights, IntPtr ipoints, IntPtr inormals, IntPtr itangents, IntPtr opoints, IntPtr onormals, IntPtr otangents);