Introduction - If you have any usage issues, please Google them yourself
This is a total known Tetris game! We can play it! The preparation of the Russian box, I mainly want to enhance your own sense of object-oriented, but write it down or feel a little uncomfortable place. But still hope to be able to help some novices, but also want an expert advice. Through the network has always been helpful to learn, so fat, I hope this essay can also help others.