— 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 demo with decent physics and smooth animation but completely misses the prompt's core requirement: no crowns, no pure-gold vs. gilded-crown comparison, no vertical slider controlling crown immersion, no Heureka moment, and uses a dark background.
9,946 output tokens · claude-opus-4-6 · end_turn
Implements a generic Archimedes buoyancy demo with decent physics and smooth animation but completely misses the prompt's core requirement: no crowns, no pure-gold vs. gilded-crown comparison, no vertical slider controlling crown immersion, no Heureka moment, and uses a dark background.