28 lines
556 B
Common Lisp
28 lines
556 B
Common Lisp
; dejong attractor
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(
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(clear)
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(defn point (x y color) (fill (circle x y 0.1) color))
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(defn _dejong (x y a b c d)
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(rest ((point
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(add 300 (mul 100 x))
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(add 400 (mul 100 y))
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"rgba(255,0,0,0.5)")
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(add (sin (mul a y)) (mul x (cos (mul b x))))
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(add (mul x (sin (mul x c))) (cos (mul d y)))
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))
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)
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(defn dejong (r a b c d)
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(reduce
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(lambda (acc val)
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(first (
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(_dejong (first acc) (last acc) a b c d)
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)))
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(range 0 r)
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(2 1)
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)
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)
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(dejong 128000 1.4 -2.3 2.4 -2.1)
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)
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