Simon Willison’s Weblog

Blob Sallad - canvas tag and JavaScript physics simulation experiment. Björn Lindberg provides a detailed code walkthrough of his brilliant canvas demo, inspired by Loco Rocco.

Posted 26th January 2008 at 12:25 pm

Recent articles

First impressions of Claude Cowork, Anthropic's general agent - 12th January 2026
My answers to the questions I posed about porting open source code with LLMs - 11th January 2026
Fly's new Sprites.dev addresses both developer sandboxes and API sandboxes at the same time - 9th January 2026

bjornlindberg 1 canvas 38 javascript 732 locorocco 1 opera 31 physics 4 tutorial 18

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