April 2016
Intermediate to advanced
784 pages
18h 25m
English
Content preview from Ray Tracing from the Ground Up
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Chapter 17
Ambient Occlusion
Image courtesy of Mark Howard, Stanford bunny model courtesy of Greg Turk and the Stanford University Graphics Laboratory
Objectives
By the end of this chapter, you should:
- understand how ambient occlusion is computed;
- know how to set up a local orthonormal basis at a hit point;
- have implemented ambient occlusion as a light shader;
- understand some of the limitations of the sampling techniques discussed in Chapter 5.
In Chapter 14, ambient illumination was a constant term throughout a scene. As a result, the surface of any object that only received ambient illumination was rendered with a constant color. Ambient ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.