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pointerpointer.com's use of voronoi, canvas, and javascript

Paul Irish · explainer · Watch on YouTube

Web developmentCreative coding & generative artComputer graphics & rendering

What it is

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.

Why Hacker News recommends it

HN links it as the author's own breakdown of Pointer Pointer's inner workings.

  • 1 people recommended it
  • 1 different months
  • 0 strong recommendations
  • first 2012, last 2025

What HN commenters said

  1. “Paul Irish did a breakdown of it quite a while ago”

    Breakdown of Pointer Pointer using Voronoi and manual tagging

    Conlectus, 2020-12 · Recommendation · in “Pointer Pointer (2012)”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: voronoi, html canvas, javascript, pointer pointer, web development

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