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Fur Simulation

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Just getting some furry ideas out of my head and onto the screen :) This one takes an image, does a basic gradient detection (very basic) and draws squiggly lines to a point offset by that gradient (aka hairs). Adjust the sliders and press "update". Threshold: Minimal gradient value for a hair to be drawn (higher means less hairs) Length: Average length of the hairs Variation: Variation in length of the hairs (0 means no variation, 1 means length can vary from 0 to 2x length) Roughness: The curlyness (controls a random angle variation for each curve step in each hair)<br>
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