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Graphics In Flatland – 2D ray tracing [video]

92 points| evakhoury | 1 month ago |youtube.com

14 comments

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badosu|1 month ago

Folks that like this, might find this interesting, an incredible resource for my then younger mathematical mind: https://www.dimensions-math.org/Dim_E.htm

An exploration of 3d via projections in 2d then 4d via projections in 3d.

albertgoeswoof|1 month ago

Great video! This references the fantastic book Flatland, which helps explain dimensionality in really easy to understand way, and helped me get my head around what a 4th or n level dimension is (and why we it’s so unintuitive for us 3-dimensional beings)

whycome|1 month ago

Is that book okay for a 10yo girl?

yakattak|1 month ago

I kind of thought this video was going to be about Flatland the book but it was even better. This is a fantastic and easily digestible explanation of ray tracing.

jmward01|1 month ago

"[download] Got error: HTTP Error 403: Forbidden. Retrying fragment 30 (3/10) ..." Looks like yt-dlp just got nerfed again. Google: We can download all your stuff but you can't download ours....

littlestymaar|1 month ago

> Google: We can download all your stuff but you can't download ours....

“There must be in-groups whom the law protects but does not bind, alongside out-groups whom the law binds but does not protect.”

nemof|1 month ago

yt-dlp works fine for me. make sure you've updated. they now list the js that is used for solving for youtube downloads as an external dependency, so you might need to install that too. look at yt-dlp github, look for yt-dlp-es

pengaru|1 month ago

It's your IP address, you're leeching too much without using the prescribed player. After some time it'll start working again. I bet if you go to the web site it will ask you to log in to prove you're not a bot, if you're not logged in already.

immibis|1 month ago

Did you update yt-dlp?