HTML Opus #21
7.5
Evaluation
7.5 avg
7.5 physics accuracy
8 design quality
7.5 animation quality
8 slider ux
6.5 completeness
7.2 overall
✓ 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

Live mass, volume, and density values are static hardcoded HTML (not dynamically updated), so only displaced water and buoyancy respond to the slider; all other physics-derived live readouts fail the "live value" criterion.

11,409 output tokens · claude-opus-4-6 · end_turn

Live mass, volume, and density values are static hardcoded HTML (not dynamically updated), so only displaced water and buoyancy respond to the slider; all other physics-derived live readouts fail the "live value" criterion.