— 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
Solid general Archimedes simulator with correct physics and live readouts, but entirely misses the prompt's core requirement: two crowns (pure gold vs. gilded) with same mass/different density, a vertical slider, fall animation, splash effects, rising water level, and the Heureka moment.
Solid general Archimedes simulator with correct physics and live readouts, but entirely misses the prompt's core requirement: two crowns (pure gold vs. gilded) with same mass/different density, a vertical slider, fall animation, splash effects, rising water level, and the Heureka moment.