Author:  TheTutor

Understanding the concept of a normal is pivotal to be able to write 3D graphics applications.  This tutorials discusses what a normal is and how to go about computing a normal.

Functions/Methods Used:  Direct3DCreate9(), sqrtf(), assert()

IDirect3D9::  CreateDevice(), Release()

IDirect3DDevice9::  BeginScene(), EndScene(), SetFVF(), DrawPrimitiveUP(), SetRenderState(), SetTransform(), D3DXMatrixPerspectiveFovLH(), D3DXMatrixLookAtLH(), Clear(), Release()