I made a full music video in three.js, every frame is a function of song time

A 2:36 music video written in TypeScript and three.js with Claude Code. Every frame is a pure function of song time, so preview and render match; headless Chromium steps through the song, averages sub-frames for motion blur and ffmpeg encodes. AI stills get depth maps and layer splits for small camera moves, and lyrics are timed word by word in code.

Disclosure Song is by other people (credited in the post); stills were made with Codex image generation.