creating Sample to create a Heightmap Collision with Normals

[PedroAlvesq]

The sample demonstrates how to move objects along a heightmap. It is based on the Generated Geometry sample, which creates a landscape from a bitmap.
this is link in xna 4.0
http://xbox.create.msdn.com/en-US/education/catalog/sample/collision_3d_heightmap_normals
i try to port the example with no sucess

[ArtiomCiumac]

Please do not duplicate existing issues - this will not make it faster.

[Spirit30]

Looks like nothing could make it faster ((