想学习opengl来编辑软件的可以通过此例可以学习好多东西，编辑对话框，可以通过改变球心坐标，球半径来画出你想要的球的大小，并且画出的是OPENGL中画的线显示的球-Want to learn opengl to edit the software through this Example can learn a lot of things, editing dialog, you can by changing the core coordinates, the ball radius to