A*搜寻算法，俗称A星算法。这是一种在图形平面上，有多个节点的路径，求出最低通过成本的算法。常用于游戏中的NPC的移动计算，或线上游戏的BOT的移动计算上。-A* search algorithm, called A Star algorithm. This is a plane in the graphics, there are multiple nodes in the path, find the lowest cost method adopted. Commonly used in game NPC' s mobile computing, or online games on mobile computing BOT.