May 2021
Beginner
248 pages
5h 26m
English
Content preview from Computer Graphics from Scratch
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10DESCRIBING AND RENDERING A SCENE
In the last few chapters, we’ve developed algorithms to draw 2D triangles on the canvas given their 2D coordinates, and we’ve explored the math required to transform the 3D coordinates of points in the scene to the 2D coordinates of points on the canvas.
At the end of the previous chapter, we cobbled together a program that used both to render a 3D cube on the 2D canvas. In this chapter, we’ll formalize and extend that work with the goal of rendering a whole scene containing an arbitrary number of objects.
Representing a Cube
Let’s think again about how to represent and manipulate a cube, this time with the goal ...
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