— 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
Competent general Archimedes simulator with correct buoyancy physics and live values, but entirely misses the prompt's core requirement: two crowns (pure gold vs. gilded), same-mass comparison, vertical fall slider, splash effects, and Heureka animation.
11,315 output tokens · claude-opus-4-6 · end_turn
Competent general Archimedes simulator with correct buoyancy physics and live values, but entirely misses the prompt's core requirement: two crowns (pure gold vs. gilded), same-mass comparison, vertical fall slider, splash effects, and Heureka animation.