该例子演示的是使用OPENGL标准框架在游戏中建立菜单的方法，包括菜单的建立、鼠标指针的创建、菜单对鼠标的响应事件以及对贴图的处理和在菜单中对光线的应用。-demonstrated by the example of the use of OpenGL standard framework for the game to establish the menu, including the establishment of the menu, the mouse pointer's fou

在virtools中利用2d完成下来菜单的功能。虽然virtools的gui不是很好，但是仅依靠图片也能完成基本的游戏信息转换。-The use of 2d completed in virtools down menu function. Although the virtools the gui is not very good, but only rely on pictures can also be converted to complete the basic game inform

一个CAD隐藏的经典游戏Troy,在CAD中加载Troy后,在，命令栏输入Troy,按照菜单选Play.-A CAD hidden classic game Troy, Troy loaded in CAD​ ​ , in the command field, enter Troy, in accordance with the menu options Play.

本游戏基本框架是用《三维游戏师设计宝典—学opengl编3D游戏》中的代码，进入游戏的初始画面和游戏菜单是参照另外一个游戏（压缩文件中的cs），-The basic framework of the game is to use the " three-dimensional game design division Collection- compiled learn opengl 3D games" in the code, enter the game' s ini