34 lines
872 B
Scheme
34 lines
872 B
Scheme
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;; h-chatter (rd)
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(import (rnrs) (rsc3))
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(define wrp
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(lambda (i l r)
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(let ((m (fdiv (sub r l) 2)))
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(mul-add i m (add l m)))))
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(define h0
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(let* ((n (mul-add (lf-noise0 kr 1) 5 5))
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(a (mul-add (lf-noise2 kr n) 0.20 1.20))
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(b (mul-add (lf-noise2 kr n) 0.15 0.15))
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(f 40)
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(h (henon-n ar (mce2 f (mul f 0.5)) a b 0 0)))
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(mul (saw ar (mul-add h 3200 1600)) 0.35)))
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(define h1
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(let* ((n0 (lf-noise0 ar 32))
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(n1 (lf-noise0 ar 2))
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(a (mouse-x* kr 1.2 1.4 0 0.1))
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(b (mouse-y* kr 0.2 0.3 0 0.1))
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(h (wrp n0 1 32))
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(p (wrp n1 2400 3200))
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(l (wrp n1 -0.75 0.75))
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(g (wrp n1 0.55 0.85))
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(f 40)
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(o (blip ar (wrp (henon-n ar f a b 0 0) p (mul p 2)) h)))
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(mul (pan2 o l g) 0.35)))
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(define h-chatter (add h0 h1))
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(audition (out 0 h-chatter))
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