使用OpenSceneGraph和CMake进行编程的娱乐公园3D场景，
An amussement park 3D scene programmed using OpenSceneGraph, and CMake for compilance, (2015-02-03, C++, 0KB, 下载0次)
小时候玩的魔塔的demo，可直接编译运行。也可以用来当做作业，也可以下载来玩一下。
Demo of a child playing devil s tower can be directly compiled to run. Can also be used as homework, you can also download to play it. (2014-05-26, C++, 1632KB, 下载3次)
金字塔树，具有添加，删除，查询节点功能，是搜索算法中的一种，常用于GIS软件中。
Pyramid tree, with add, delete, query node function, is a search algorithm, commonly used in the GIS software. (2008-12-25, C++, 61KB, 下载17次)