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2026-09-06
GRAPHICS
11 min

Ray-tracing a rotating black hole in the browser

Null geodesics, a WebGPU compute shader, and why the first frame is allowed to look terrible.

A draft. Integrating null geodesics through the Kerr metric in a compute shader, and the progressive-refinement scheme that lets the first frame be rough without anyone minding.

Skriven av Martin Dahl. Om du vill diskutera något av det här, lämna ett meddelande.