May 2021
Beginner
248 pages
5h 26m
English
Content preview from Computer Graphics from Scratch
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2BASIC RAYTRACING
In this chapter, we’ll introduce raytracing, the first major algorithm we’ll cover. We start by motivating the algorithm and laying out some basic pseudocode. Then we look at how to represent rays of light and objects in a scene. Finally, we derive a way to compute which rays of light make up the visible image of each of the objects in our scene and see how we can represent them on the canvas.
Rendering a Swiss Landscape
Suppose you’re visiting some exotic place and come across a stunning landscape—so stunning, you just need to make a painting capturing its beauty. Figure 2-1 shows one such landscape.
Figure 2-1: A breathtaking ...
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