Make a 3D engine without math?

Channel:

Eniko Fox

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Published on December 20, 2023 7:07:04 PM ● Video Link: https://www.youtube.com/watch?v=KxMYroGay8c

Duration: 13:25

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How do you rotate 2D points / vectors, and why does it work the way it does? Join me as I explain that sin and cos are about circles, not triangles, and why rotating everything in existence is the key to rotating a single point, in this episode of Coding History: 3D from Mode7 to DOOM.

How rotation works: https://www.youtube.com/watch?v=JC5IMfK7Yfw

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"Side-by-side comparison of types of graphical projection. Created in POV-Ray and GeoGebra." by SharkD: https://commons.wikimedia.org/wiki/File:Graphical_projection_comparison.png