Author: DigiBen
In this tutorial we explain what a "normal" is and the math behind calculating them. Math topics include the cross product, magnitude and normalizing of vectors. Normals are used for many things, lighting and collision for example.
Functions Used: glViewport(), glMatrixMode(), glLoadIdentity(), gluPerspective(), glClear(), gluLookAt(), glBegin(), glEnd(), SwapBuffers()
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