Created
November 21, 2022 02:27
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Iterative Fractal System Fern
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| let ff ((rx, ry), i) = | |
| if i=3000 then None else | |
| let ((a,b),(c,d)), (vx,vy) = | |
| let r = Random.next 100 in | |
| if r < 75 then ((85, 4), (-4, 85)), (0, 160) | |
| else if r < 88 then ((-15, 28), (-26, 24)), (0, 44) | |
| else if r < 98 then ((20, -26), (23, 22)), (0, 160) | |
| else ((0, 0), (0, 16)), (0, 0) in | |
| Some((rx, ry), (((a*rx+b*ry+vx)/100, (c*rx+d*ry+vy)/100), i+1)) | |
| let () = Array.unfold ff ((0,0), 0) @ Chart.scatter "" "" "" |
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