Computer Science: An Overview: Global Edition (12th Edition)

Published by Pearson Higher Education
ISBN 10: 1292061162
ISBN 13: 978-1-29206-116-0

Chapter 10 - Computer Graphics - Section 10.5 - Dealing with Global Lighting - Questions & Exercises - Page 483: 1

Answer

We are interested only in the rays that ultimately reach the image window. If we started at the light source, we would not know which rays to follow.

Work Step by Step

We are interested only in the rays that ultimately reach the image window. If we started at the light source, we would not know which rays to follow.
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