Chapter 22. Vertex Shading: Do-It-Yourself Transform, Lighting, and Texgen
by Benjamin Lipchak
WHAT YOU'LL LEARN IN THIS CHAPTER:
How to perform per-vertex lighting
How to generate texture coordinates
How to calculate per-vertex fog
How to calculate per-vertex point size
How to squash and stretch objects
How to make realistic skin with vertex blending
This chapter is devoted to the application of vertex shaders. We covered the basic mechanics of high-level and low-level vertex shaders in the preceding two chapters, but at some point you have to put the textbook down and start learning by doing. Here, we introduce a handful of shaders that perform various real-world tasks. You are encouraged to use these shaders as a starting point for your own experimentation. ...
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