Computing face normals in each render

Hi guys.


How me calculate face normals and vertex normals in each render? For algorithm back-face culling!

If you can please show on function in source code.

This is not really an OpenGL question. Try google…k-face+culling!

[This message has been edited by Damon (edited 03-16-2002).]

You’re possibly heading down the wrong ally.

Read this thread and make sure you understand it.