用MATLAB写的宽度优先搜索函数，支持障碍设置和四叉树/八叉树的选择，在路径搜索方面有用。-First search function using MATLAB written in width, support the obstacles set up and quadtree/octree useful in terms of route search.

使用matlab的struct结构，建立一个八叉树(build an octree by matlab software)