这是篇关于左手材料的PPT，比较简单，适合于刚入门的人-This the chapter on the left hand material PPT, relatively simple and suitable for people who just look at the portal

神奇的迷宫小游戏，包含有迷宫自动生成的算法，实现了“左手摸墙”算法，深度优先，广度优先搜索算法，以自动寻路。-Magic maze game maze includes automatic generation algorithm, to achieve a " left hand touching the wall" algorithm, depth first, breadth-first search algorithm to automatically find its

左手定则 通电线圈转动-Left hand turn ~~~~~~~~~~~~~~~~~~coil is energized