✓ 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
All core features are implemented and physically coherent, but the ASCII/text-art rendering is rudimentary, the vertical slider direction is inverted (top=water, bottom=air per label cues), and water-level rise is barely perceptible in the character grid.
All core features are implemented and physically coherent, but the ASCII/text-art rendering is rudimentary, the vertical slider direction is inverted (top=water, bottom=air per label cues), and water-level rise is barely perceptible in the character grid.