There was an interactive web page where you could place single point light sourc... | Hacker News

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NKosmatos on Aug 16, 2021 | parent | context | favorite | on: How to avoid being hit by a laser in a room of mir...

There was an interactive web page where you could place single point light sources and obstacles freely in a 2D room and then see in real time the shadows and where are the safe points. Too bad I can't remember the URL and can't find this old page. Anyone has a link to share?

etherblood on Aug 16, 2021 | [–]

Maybe you mean this? https://www.redblobgames.com/articles/visibility/

NKosmatos on Aug 16, 2021 | | [–]

Yes, thank you :-)

NKosmatos on Aug 16, 2021 | [–]

The closest I've found is this one, but it's not what I was referring to: https://ricktu288.github.io/ray-optics/

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