— 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 live values, but completely misses the prompt's core requirement: two crowns (pure gold vs. gilded), same mass, Heureka moment, vertical slider controlling crown submersion, and splash/fall animation.
Implements a generic Archimedes buoyancy simulator with correct physics and live values, but completely misses the prompt's core requirement: two crowns (pure gold vs. gilded), same mass, Heureka moment, vertical slider controlling crown submersion, and splash/fall animation.