— 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
This is a general Archimedes buoyancy simulator with solid physics and smooth animation, but it completely misses the prompt's core requirement: two crowns (pure gold vs. gilded), same mass, a vertical slider controlling crown submersion, and a Heureka moment — none of these are implemented.
9,297 output tokens · claude-opus-4-6 · end_turn
This is a general Archimedes buoyancy simulator with solid physics and smooth animation, but it completely misses the prompt's core requirement: two crowns (pure gold vs. gilded), same mass, a vertical slider controlling crown submersion, and a Heureka moment — none of these are implemented.