opengl的鼠标画线，圆，矩形，还有个菜单，很适合opengl初学者学习 -opengl mouse drawing lines, circles, rectangles, as well as a menu, and very suitable for beginners to learn opengl

一些关于学习openGL的重要资料，在基于VC下怎么样对opengl进行开发来获得可互想要的三维效果-Some important information about learning openGL, how kind of based on the VC under opengl developed to obtain the desired three-dimensional effect can be inter-