[0xfaded]

The world of homogeneous coordinates (https://en.wikipedia.org/wiki/Homogeneous_coordinates) is magical and extends beyond just points and lines to conics.

The Multiview Geometry Book begins with a great deep dive on the topic.

https://www.cambridge.org/us/universitypress/subjects/comput...

[boslo-km]

Jim Blinn's Corner (1996) also has a good chapter/article, "The Homogenous Perspective Transform."