HackerTube / Video
pointerpointer.com's use of voronoi, canvas, and javascript
Paul Irish

Paul Irish explains how pointerpointer.com works. It uses a hidden canvas of colored Voronoi regions to look up which photo matches the cursor position.
HN links it as the author's own breakdown of Pointer Pointer's inner workings.
3 Hacker News mentions · 2012–2025