HTML Opus #32
7.8
Evaluation
7.8 avg
8.5 physics accuracy
8.2 design quality
7.8 animation quality
5.5 slider ux
8.8 completeness
7.8 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

Slider is inverted (min=0 at top maps to air, but the CSS rotation means the physical top of the slider handle corresponds to value=100/water, making direction incorrect for the user); otherwise physics, visuals, and heureka trigger are well-implemented.

11,261 output tokens · claude-opus-4-6 · end_turn

Slider is inverted (min=0 at top maps to air, but the CSS rotation means the physical top of the slider handle corresponds to value=100/water, making direction incorrect for the user); otherwise physics, visuals, and heureka trigger are well-implemented.