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    Using Perlin noise as a source of randomness is brilliant; I had never thought of that. I always think of Perlin noise as a field you can evaluate, but it makes complete sense that you can turn that field into a stream. The motion of the Perlin random walker is really satisfying, so much more so than any of the others; when I’ve tried to do randomish-walk-type things, I’ve usually had to resort to picking a random point and then doing some attractor-type stuff to get my walker there, and then picking a new point when I arrive, since most random walks look so unpleasantly inorganic.

    Thanks for the link!

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      This is great (even if not comprehensive, it doesn’t have to be) education. Beautiful, informative, and mostly intuitive (particularly the walkers and the perlin variation). Lovely, thanks!