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The Ray Tracer Challenge
book

The Ray Tracer Challenge

by Jamis Buck
February 2019
Intermediate to advanced
292 pages
6h 55m
English
Pragmatic Bookshelf
Content preview from The Ray Tracer Challenge

Chapter 2Drawing on a Canvas

Points and vectors may be fundamental to a ray tracer, but without a way to turn them into something visual, most folks won’t care. It’s a good thing you’re about to implement a canvas, then, isn’t it?

A canvas is a kind of virtual drawing board, which your ray tracer will use to turn your scenes into images you can actually see. In this chapter, you’re going to create a canvas that supports millions of colors, and which you can subsequently save as an image file.

To get there, we’ll talk about colors and how to represent them, as well as some color operations that you’ll need to support. Once you’ve got a handle on that, you’ll move on to the canvas itself, and you’ll finish up with a small project to revisualize ...

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Publisher Resources

ISBN: 9781680506778Errata Page