There are also "computer graphics" attractors.

More of a modulated procedural pattern.

They are used in packages like Grasshopper, Maya, etc.

I've played around a bit with things like this before I even knew they had a
name.
https://news.povray.org/povray.general/thread/%3C648dba33%241%40news.povray.org%3E/
I know that Mike Williams, Tek, and others have done similar things, and it's
really interesting once you couple the concept with not only modulating size -
but any attribute.

Size
Shape
Color
alpha
finish
ior

.....

You can also use the attractor values as the input for an interpolation.
So you can do cool things like use SDFs or isosurfaces or any other kind of
function, and mix various functions as you move around on a surface.

- BE

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