在Visual C++开发环境下使用OpenGL的SDK，自编了类GLFont实现绘制三维立体字，实现将立体字沿X轴、Y轴旋转，绕圆形轨道旋转及其它等各种动画功能-In Visual C++ development environment using OpenGL SDK, composing a class GLFont draw three-dimensional characters to achieve, to achieve the three-dimensional characte