In this article I will explore one possible way to import COLLADA model files into your game engine. I will use the COLLADA Document Object Model (DOM) to simplify the process of importing COLLADA files. For the sake of simplicity, I will use the COLLADA Renderer provided with the COLLADA DOM to display the COLLADA files to the user.
In this article, I assume the user has a basic understanding of setting up an OpenGL project using Microsoft Visual Studio 2008. If you would like to first learn how to setup a project that uses OpenGL to render 3D graphics, you can refer to my OpenGL tutorial.