✓ 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
Slider direction is inverted (value=0 at top maps to crowns in air, but the CSS rotation and layout label placement make top=Luft/bottom=Wasser conceptually correct, yet the visual slider thumb travels down to increase submersion which is physically backwards from the label layout); physics values are accurate (gold 19.32 g/cm³, fake 11.30 g/cm³, same 1000g mass), displacement is correctly proportional, but the crown descent starts only at sliderFrac=0.3 leaving 30% of travel wasted before any submersion.
10,972 output tokens · claude-opus-4-6 · end_turn
Slider direction is inverted (value=0 at top maps to crowns in air, but the CSS rotation and layout label placement make top=Luft/bottom=Wasser conceptually correct, yet the visual slider thumb travels down to increase submersion which is physically backwards from the label layout); physics values are accurate (gold 19.32 g/cm³, fake 11.30 g/cm³, same 1000g mass), displacement is correctly proportional, but the crown descent starts only at sliderFrac=0.3 leaving 30% of travel wasted before any submersion.