Opus 5.5 builds a single-file WebGPU jelly dam simulation

Vib3Coded @vib3codedOriginally posted 2026.10.26

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Claude Opus 5.5 built this jelly dam for 18.51$ A single HTML file using pure WebGPU, with no libraries. Waves follow a shallow-water model, reservoir levels respond to inflow, gates and turbines, and power output depends on hydraulic head. There’s also a flood mode with thunderstorms, a salmon fish ladder, light refraction and underwater caustics