Chapter 17
Backface Culling and 3D Lighting
What we'll cover in this chapter:
- Backface culling
- Enhanced depth sorting
- 3D lighting
In the previous chapter, we looked at the basics of modeling 3D solids: how to create the points, lines, and polygons that make up a form, and how to give each polygon a color. But if you recall, that color was left at 50% transparency, so you could see right through it. Although we created some complex 3D shapes, the models still lack a lot in terms of realism.
In this chapter, we fix that by learning about backface culling (not drawing the polygons facing away from you), enhanced depth sorting (we covered this ...
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