Risograph-style animated film framed in a night window
46.1K views·1.1K likes·812 saves·75 reposts·Posted 23 Sept 2026 · 1:18 · Motion Graphics
Our note
A 78-second animated short with grainy print textures, here star trails through a window; built in about 45 minutes as a single index.html using only JavaScript, Canvas 2D and Web Audio.
The creator’s post
Claude Opus 5.5 built this entire 78-second animated film in ~45 minutes. One index.html file. No images. No video files. No libraries. Just JavaScript, Canvas 2D, and Web Audio generating every frame and sound directly in the browser. AI coding has moved far beyond CRUD.
The prompt
The creator didn’t publish a prompt for this one. Start from the prompt template instead.
Make one like this
1 · Start from a template
This creator didn't share a prompt. Start from the template and describe this video's look.
2 · Direct it like an editor
Ask for one self-contained HTML file on a fixed 1920×1080 stage, link this video as the reference, and send two or three rounds of specific notes.
3 · Render it to MP4
Screen-record a short piece, or capture it frame by frame for exact timing. How →
How it was made
The creator didn’t name their tools. Most videos like this are HTML, canvas or SVG animation written by Claude and screen-recorded or rendered to MP4. How that works →
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