利用OpenGL实现二维场景坐标的建立。可以用于函数模拟等

采用tuio协议编写的烟雾效果互动场景，C++和openGL编写，可以部署在任何多点触摸平台上，编译后可直接运行-Preparation of an agreement with the smoke effect tuio interactive scenes, C++ and openGL preparation, can be deployed in any multi-touch platform, the compiler can be run directly after the

基于OpenGL的简单的学校场景漫游,有教学楼、图书馆、校门、树。-Based on a simple OpenGL scene walkthrough of the school, has a teaching building, library, school, tree.