实现缺角立方体的旋转，VC实现，在WINXP上运行，缺角正方体可以绕X,Y,Z和中心进行旋转，画面清晰-realize na corner cube rotation, VC, in WINXP run, and none could be around the corner cube X, Y, Z and the center rotation, clear picture

在VC++环境下，实现Bressham直线画法，中点画圆法，种子填充算法，Bezier曲线，黑块的移动，一个立方体的三维透视。-In VC++ environment, to achieve Bressham painting a straight line, circle the midpoint method, the seed filling algorithm, Bezier curves, the black block move, a cube of three-dimensiona