— 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 competent generic Archimedes buoyancy simulator with correct physics and smooth spring animation, but entirely misses the prompt's core requirement: two crowns (pure gold vs. gilded), same mass, Heureka narrative, vertical submersion slider, splash effects, and rising water level.
Implements a competent generic Archimedes buoyancy simulator with correct physics and smooth spring animation, but entirely misses the prompt's core requirement: two crowns (pure gold vs. gilded), same mass, Heureka narrative, vertical submersion slider, splash effects, and rising water level.