Lean Rada

leanrada.com

A webapp that shows the diversity of languages in the Philippines. Learn about the local languages. Listen to local songs and other media. Made in vanilla JS with D3.js. Passion project.

Popular posts: 2
Total points: 810
HN comments: 133
Rank: #2,842 personal

Visit leanrada.com → On Hacker News Aug 2024 – Mar 2025

Web & Frontend 1 Math & Algorithms 1 Games & Graphics 1 Design & UX 1

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Sort, sweep, and prune: Collision detection algorithms (2023)

2024340 points58 comments Math & Algorithms details

Sweep-and-prune is my go-to algorithm when I want to quickly implement collision detection for a game. I think it’s an awesome and elegant algorithm, so I wrote a post about it.