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Interactive Double Pendulum Playground

(theabbie.github.io)
60 points melector | 1 comments | 08 Oct 25 05:18 UTC | HN request time: 0s | source
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Evidlo ◴[08 Oct 25 06:56 UTC] No.45512953[source]▶
Anyone else feel like the pendulum motion seems off? Maybe the default mass settings are weird, but the movement just does not look physical to me.
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WithinReason ◴[08 Oct 25 07:19 UTC] No.45513084[source]▶
Yes I think the physics is wrong
replies(1): >>45513362 #
kookybakker ◴[08 Oct 25 08:00 UTC] No.45513362[source]▶
When you bring up the lower mass and let it go, it seems to push the upper mass away, which should never happen. This whole site smells off vibe coded jank.
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1. probabletrain ◴[08 Oct 25 10:01 UTC] No.45514251{3}[source]▶
> This whole site smells off vibe coded jank.

A vibe-coded double pendulum sim should produce a much better result than the physics on this page. Claude Code made this just now off one prompt, the physics are much better: https://keir.is/swinging