GPT-6 Sol in Codex CLI 0.156.1

Build a short cinematic camera study in Three.js that demonstrates a side-on tracking shot. A runner (a stylised low-poly figure with an animated running cycle) jogs along a riverside path at dawn past lamp posts, benches, trees and a railing, with a city skyline far behind. The camera travels parallel to the runner at the same speed, keeping them at the same size and in the same third of the frame, while foreground objects whip past quickly, midground objects slower, and the skyline barely moves. The animation plays automatically, fills the window at 16:9, loops seamlessly every 8 seconds with no visible jump at the loop point, and shows a small unobtrusive caption in one corner naming the technique. Everything is built in code from Three.js geometry, shaders and materials; no external models or textures. Build it as a single self-contained index.html (inline CSS and JS) in the current directory. Three.js may load from a pinned CDN. You may serve it locally and open it in headless chromium (/usr/bin/chromium, software WebGL, no GPU) to screenshot and inspect your own output, and iterate on your own before finishing. Close any browser you open as soon as you've taken your screenshot.

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