小狗过桥的游戏:程序一开始，左边小狗开始下落运动，右边浮桥开始向上运动。在窗口单击左键时会出现另一渡桥。通过这个渡桥，左边小狗要达到上升的浮桥，否则就游戏失败。如果小狗遇到上升浮桥，小狗就会和这个浮桥一起向上运动。接近窗口顶端时，两只小狗见面了，游戏成功。-Puppy bridge game: program start, the left began to drop dog sports, the right pontoon began to move upwards. Click the left button in the window will appear when another crossing bridge. Through this crossing bridge, left up the pontoon to meet puppy, otherwise the game failed. If the puppy face up floating bridge, and dogs come together and upward movement of the pontoon. Close to the top of the window, the two dogs meet, and the game successfully.