一个捕捉方块的游戏。一白色方块在屏幕中随机移动，用户用鼠标单击它一次则方块变红，再次点击则方块消失，游戏胜利结束。如果超过时限方块未消失则游戏以失败结束。-A capture box game. A random white box on the screen moves the user with the mouse click it and once the box turns red, click again to the box disappears, the game ended in