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Tag: #js

Homogeneous coordinates in 3D

I implement homogeneous coordinates in 3D, including rotation, scaling, translation, and projection matrices, and use them to create an animated 3D house scene. 2020-11-29

Homogeneous coordinates in 2D, from scratch

Homogeneous coordinates enable a matrix to translate points. I show a six-line JS library. 2020-11-28

A matrix library in 5 lines of code

A 5-line matrix library, and how to derive it without rote memorization. 2020-11-27

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