Figure out how you can make it move a little to the left, a little to the right, up and down and then repeat in some kind of looping structure.
就是找出办法让它向左移动一小步,向右移动一小步,向上一小步,向下一小步,像这样不断重复。
哈佛公开课 - 计算机科学课程节选
应用推荐
模块上移
模块下移
不移动