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OpenGL SuperBible: Comprehensive Tutorial and Reference, Fourth Edition by Nicholas Haemel, Benjamin Lipchak, Richard S. Wright

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Chapter 14. Depth Textures and Shadows

by Benjamin Lipchak

WHAT YOU’LL LEARN IN THIS CHAPTER:

Image

Shadows are an important visual cue, both in reality and in rendered scenes. At a very basic level, shadows give us information about the location of objects in relation to each other and to light sources, even if the light sources are not visible in the scene. When it comes to games, shadows can make an already immersive environment downright spooky. Imagine turning the corner in a torch-lit dungeon and stepping into the shadow of your worst nightmare. Peter Pan had it easy.

In Chapter 5, “Color, Materials, and Lighting: The Basics,” we described a ...

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