虚拟环境中的基于AABB包围盒的碰撞检测-A virtual environment based on the AABB bounding box collision detection

4叉树的实现，用opengl写的。实现的了根据视点渲染地形-4-tree implementation, written with opengl. Implementation of the terrain under the viewpoint rendering

最小生成树Kruskal算法的实现，采用openGL显示界面，支持顶点数量设置，以及位置移动，边的权值可自行设置，界面右侧分两个版图，上方是原图，下方为算法运行过程图-Implement Kruskal minimum spanning tree algorithm, using openGL display interface, support for setting the number of vertices, and the location of the mobile, edge we