Pro WPF in C# 2008: Windows Presentation Foundation with .NET 3.5, Second Edition

3-D Drawing Basics

A 3-D drawing in WPF involves four ingredients:

• A viewport, which hosts your 3-D content

• A 3-D object

• A light source that illuminates part or all of your 3-D scene

• A camera, which provides the vantage point from which you view the 3-D scene

Of course, more complex 3-D scenes will feature multiple objects and may include multiple light sources. (It's also possible to create a 3-D object that doesn't require a light source, if the 3-D object itself gives off light.) However, these basic ingredients provide a good starting point.

Compared to 2-D graphics, it's the second and third points that really make a difference. Programmers who are new to 3-D programming sometimes assume that 3-D libraries are just a simpler way to create ...