I wrote it all by hand :) Lately, I've been using Svelte for interactive visualizations (see my post on using a tool called Astro with Svelte: https://avikdas.

I wrote it all by hand :) Lately, I've been using Svelte for interactive visualizations (see my post on using a tool called Astro with Svelte: https://avikdas.com/2023/12/30/interactive-demos-using-astro.html https://avikdas.com/2023/12/30/interactive-demos-using-astro... ). But this one is all hand-written JS!