A星寻路演示程序，A*寻路算法在AStar.h中，使用的节点为Map.h中的Node Map类中NodeMap为节点图，寻路时只传节点地址-A Star pathfinding demo, A* pathfinding algorithm in AStar.h, the use of the nodes in the Node Map Map.h NodeMap class for the node graph, find its way only passing node address