— Two crowns — Same mass, different density — Vertical slider ✓ Slider works — Slider controls crowns — Slider direction correct — Full slider range — Fall animation ✓ Water displacement ✓ Rising water level — Splash effects ✓ Physics correct ✓ Live mass value ✓ Live volume value ✓ Live density value ✓ Live displaced water — Gilded displaces more — Heureka animation ✓ No external deps — Light bg / dark text ✓ Self-contained HTML
Competent ASCII-art Archimedes buoyancy demo with live physics values, but completely misses the prompt requirements: no crowns (pure gold vs. gilded), no vertical slider controlling crown submersion, no fall animation, no splash effects, no Eureka animation, and uses a dark background — essentially a different simulation entirely.
7,320 output tokens · claude-opus-4-6 · end_turn
Competent ASCII-art Archimedes buoyancy demo with live physics values, but completely misses the prompt requirements: no crowns (pure gold vs. gilded), no vertical slider controlling crown submersion, no fall animation, no splash effects, no Eureka animation, and uses a dark background — essentially a different simulation entirely.