分形树，与其他图形学功能，使用opengl/mfc编程，适合图形学初学者学习-fractal tree, and other graphics functions, the use opengl / mfc programming, graphics suitable for beginners learning

这是我们计算机图形学上的实习内容，利用OPENGL绘制矩形-This is our practice on the computer graphics content, the use of OPENGL drawing rectangular