Swirl
A vortex that winds the layer around a point
SourceSurf breaking along a headland, from above by Ma. Alejandra on Unsplash
A vortex that winds the layer around a point: the middle turns hard, the edges stay put. Near a falloff of one it is a gentle whirlpool, near four a tight knot in still water. The colours wind by slightly different angles, which smears them along the spin.
Rendering cost: light. A few samples per pixel: fine fullscreen at full pixel ratio, including on integrated graphics. How to tune it
Tune Swirl free. Take it when you are ready.
The background itself, with your settings already saved in, ready to drop into your site — this one and the other 60. Paid once, no subscription, and every background added later is included. What you get.
$9.99$19.99once
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