Here we have some Perlin noise sketches. The first two came about while heading towards the third and getting off track or screwing up. Learning about color mixing and the visual presentation of the first one was worth it:
pixels[i+j*width] = color(red(pixels[i+j*width])+a[0], green(pixels[i+j*width])+a[1], blue(pixels[i+j*width])+a[2]);
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tendency for Perlin noise to form gridded circles when accumulated
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kind of a failed attempt at the last one
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original intended output; incremented threshold on single Perlin instance
click in sketch to restart
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