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Minimalistic and efficient FFT implementation

RustFFT is a high-performance FFT library written in pure Rust.

Fully procedural cinematic ocean and extreme weather simulation in the browser. Multi-cascade FFT waves, volumetric clouds, hurricanes and tsunamis - every pixel generated on the GPU at runtime, zero external assets. Three.js / WebGL2 / GLSL3.

Real-time WebGPU ocean renderer written from scratch, no engine. FFT waves, whitecaps, sun glitter, physically based sunset sky with clouds, free camera. Built with Claude Code (Opus 5.5). Opens from a single 61 KB HTML file in Chrome.

Real-time FFT ocean renderer for three.js (WebGL2): shore breakers, foam, caustics, underwater rendering and buoyancy at 200+ fps