用 Qt Creator 写的一个小球游戏，通过旋转地图使小球下落，最终落到目标洞中。 其中加入了宽度搜索算法自动寻路和地图编辑功能。-Qt Creator written with a ball game, ball by rotating the map to fall, eventually fell to the target hole. Joined the width of the search algorithm which automatically find its way