planet

代码说明：

  一个应用程序模拟大炮打飞机。在GUI界面上，飞机水平飞行，用界面上的按钮控制大炮的运行方向（如向左，向右，向上，向下）。当炮弹碰着飞机后，飞机坠落。包括实验报告。(An application simulates aircraft artillery hit. In the GUI interface, the aircraft in level flight, with the control buttons on the interface running direction of the cannon (such as left, right, up, down). When the shell is closed on the plane, the plane crashed. Including lab reports.)