Excellent site, with very good explanations and interactivity on each topic. Commenting just to note down the page about 2D visibility and light sources ( https

Excellent site, with very good explanations and interactivity on each topic. Commenting just to note down the page about 2D visibility and light sources ( https://www.redblobgames.com/articles/visibility/ https://www.redblobgames.com/articles/visibility/ ) I had seen many years ago and had forgotten where I’ve read it.