Computing face normals in each render

OpenGL OpenGL: Advanced Coding
1

Hi guys.

Question:

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.

2

This is not really an OpenGL question. Try google
http://www.google.com/search?hl=en&ie=IS…k-face+culling!

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

3

You’re possibly heading down the wrong ally.

Read this thread and make sure you understand it.