Introduction - If you have any usage issues, please Google them yourself
1. With QT realize common snake function
2. Realize the keyboard control the game start (press enter and the realization of the keyboard to control the direction of movement snake.
3. Realize buttons, the keyboard control the game and continue to suspend.
4. The game have level set, different grades at different speeds
5. Game update tip: LEVEL UP, time delay, the length of the snake recovery for 3 quarter, the game to continue.
6. The GAME failed tip: GAME OVER, time delay, back to the GAME main screen.