Sokoban Game: users can set the clearance to set up a few more difficult to choo...

代码说明：

推箱子游戏：用户可以通过设置关数来设置难度，选择是否有音效，用户只能通过键盘上的四个方向键来操作，目标是移动“小人”将三个方形的黄色箱子移到三个白色的圆圈里面。-Sokoban Game: users can set the clearance to set up a few more difficult to choose whether or not there is sound, the user only through the four keyboard arrow keys to operate, with the aim of moving