— 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
Implements a generic Archimedes buoyancy simulator with correct physics and decent visuals, but entirely misses the brief: no two crowns, no vertical slider controlling crown submersion, no fall animation, no rising water level, no Heureka moment, and no same-mass/different-density crown comparison.
8,408 output tokens · claude-opus-4-6 · end_turn
Implements a generic Archimedes buoyancy simulator with correct physics and decent visuals, but entirely misses the brief: no two crowns, no vertical slider controlling crown submersion, no fall animation, no rising water level, no Heureka moment, and no same-mass/different-density crown comparison.