DirectX Game (must see!!)

This is a start to an Asteroids/Gradius clone. Almost all of the program is documented. It demonstrates how to use DirectX features such as: DirectDraw, Sprites, DirectInput, Collision Detection, Playing Midi's, Playing Wav's, Sound Buffers, etc. You really have to check this out, it could really help you learn DirectX. Also, please vote and give comments.