了解主题;它并不太难： http://en.wikipedia.org/wiki/Quadric [ ^ ]。



对于图形，这一切都取决于您的应用程序类型，您正在使用的UI库。找出或写下你的任何套房。等等。就这样。做一些工作，做到这一点，不要指望奇迹般的解决方案。

-SA

Learn the topic; it's not too hard: http://en.wikipedia.org/wiki/Quadric[^].

For graphics, it all depends on what is your application type, UI library you are using. Find out or write whatever suites you. And so on. That's all. So do some work, do it, don't expect the miraculous solution.

—SA