FrAY — the background is a physics simulation, and the words condense out of it

A full scrollytelling product site whose entire visual language is one equation. Sixty-five thousand GPU particles solve the Chladni nodal equation every frame, so the shapes are never drawn — they fall out of the maths, and changing two integers morphs one figure into a completely different one with no keyframes anywhere. The same particles do the typography: each one hashes its own id, and if it lands under a threshold it abandons the pattern and heads for a pixel of a canvas-rendered text target, so the manifesto condenses out of the smoke and copy stays a string instead of an image. The product is built in code too — a sand-cast collar against a lathe-turned face with a copper voice coil in the gap — and it pulls apart on scroll with callouts pinned to it. There is no audio file: the soundtrack is synthesised live from your scroll velocity and pointer speed, and it feeds the same analyser that drives the particles, so scrolling makes the sound and the sound moves the sand.

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