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GPU Gems 3
book

GPU Gems 3

by Hubert Nguyen
August 2007
Intermediate to advanced content levelIntermediate to advanced
1008 pages
21h 13m
English
Addison-Wesley Professional
Content preview from GPU Gems 3

Chapter 13. Volumetric Light Scattering as a Post-Process

Kenny Mitchell Electronic Arts

In this chapter, we present a simple post-process method that produces the effect of volumetric light scattering due to shadows in the atmosphere. We improve an existing analytic model of daylight scattering to include the effect of volumetric occlusion, and we present its implementation in a pixel shader. The demo, which is included on the DVD accompanying this book, shows the technique can be applied to any animating image of arbitrary scene complexity. A screenshot from the demo appears in Figure 13-1.

Volumetric Light Scattering on a Highly Animated Scene in Real Time

Figure 13-1. Volumetric Light Scattering on a Highly Animated ...

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Publisher Resources

ISBN: 9780321545428Purchase book