Further reading:

[Steven Wittens http://acko.net](https://youtu.be/GNO_CYUjMK8)

[Homogeneous Coordinates](https://www.tomdalling.com/blog/modern-opengl/explaining-homogenous-coordinates-and-projective-geometry/)


[Grant Sanderson's Essence of Linear Algebra](https://www.youtube.com/playlist?list=PLZHQObOWTQDPD3MizzM2xVFitgF8hE_ab)

[immersive linear algebra by J. Ström, K. Åström, and T. Akenine-Möller](http://immersivemath.com/ila/index.html)