26 lines
763 B
Scheme
26 lines
763 B
Scheme
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;; s-chirp (rd)
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(import (rnrs) (sosc) (rsc3))
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(define s-chirp
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(let* ((x (mouse-x kr 15 0 0 0.1))
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(y (mouse-y kr 15 27 0 0.1))
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(t (dust kr 9))
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(b (t-choose t (make-mce (list 36 48 60 72))))
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(n (mul (lf-noise1 kr (mce2 3 3.05)) 0.04))
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(d (ti-rand x y t))
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(e (decay2 t 0.005 (t-rand 0.02 0.15 t)))
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(k (degree-to-key 0 d 12))
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(f (midi-cps (add3 b k n)))
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(m (mul3 e (sin-osc ar f 0) 0.2))
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(u (pulse-divider t 9 0))
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(r0 (t-rand 0.0075 0.125 u))
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(r1 (t-rand 0.05 0.15 u)))
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(mul-add m 0.5 (allpass-c m 0.15 r0 r1))))
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(with-sc3
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(lambda (fd)
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(async fd (b-alloc 0 7 1))
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(send fd (b-setn1 0 0 (list 0 2 3.2 5 7 9 10)))
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(audition (out 0 s-chirp))))
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