Superficial Intelligence

For my A.I. class project, my partner and I decided to tackle the game of Tetris. It has proven to be very interesting. You notice there is much more to a game when you actually try to implement it. Tetris seemed so simple to me before this project. One thing I had never noticed in all the Tetris games I have played is how the rotation isn't always the same. In fact, there are at least five different types of rotation. I didn't realize this until my partner and I found out we were both rotating the tetris blocks (or tetrominoes) in different ways. Here are some pictures of rotation systems:

Can you see the differences? If you crave for more Tetris knowledge, check out the tetris wiki at Tetris Concept.