n皇后算法，多边形裁减，正方体旋转，三角形的绘制与填充，画虚的直线和曲线-n Queen s algorithm, polygon reduction, cube spins, drawing a triangle with the filling, painting imaginary straight lines and curves

使用的是OpenGL的基础函数，进行简单的光照效果，内容是一个小球绕大球旋转，光照随小球变化-OpenGL using the basis function, a simple lighting effects, which is a small ball around the big ball spins, the ball changes with the light

this program contains a spheral ball with multi color that spins in the air up and down with a 3d visual