— 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
Completely misses the brief — no crowns, no vertical crown-dipping slider, no fall/splash animation, no Heureka moment; instead implements a generic Archimedes demo with a generic cube object, horizontal sliders, and dark background, satisfying almost none of the specified requirements.
Completely misses the brief — no crowns, no vertical crown-dipping slider, no fall/splash animation, no Heureka moment; instead implements a generic Archimedes demo with a generic cube object, horizontal sliders, and dark background, satisfying almost none of the specified requirements.