Claude Code writes a 61 KB browser ocean rendering 260 FPS on raw WebGPU from one prompt

randal_olson · x · 2026-10-17

A real-time ocean demo runs entirely in the browser from a single 61 KB HTML file, rendering FFT waves, whitecaps, sky, and sun glitter at 260 FPS in 1440p on an RTX 5070 Ti. The entire codebase was written by Claude Code from one prompt, using raw WebGPU with no 3D engine or libraries — a striking showcase of AI coding tools tackling graphics programming.

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