40 lines
1.1 KiB
Racket
40 lines
1.1 KiB
Racket
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#lang racket
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;; status - not working as of 20220820 (pattern buffer but no sound -> "/d_recv", DATA[684])
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(require rsc3)
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;; pattern buffer (rd)
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(define tseq
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(lambda (l)
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(let ((n (/ (length l) 2)))
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(select (mul-add (lf-saw kr 0.5 0) n n) (make-mce l)))))
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(define rs
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(lambda (nf fd)
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(let ((r0 (rand-float 0 nf))
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(r1 (rand-float 0 1)))
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(send fd (b-set1 10 r0 r1)))))
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(define pattern-buffer
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(lambda (nf c)
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(let* ((p (phasor ar 0 (buf-rate-scale kr 10) 0 (buf-frames kr 10) 0))
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(t (buf-rd-c 1 ar 10 p 1))
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(r1 (replicate-m c (rand-float 36 96)))
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(r2 (replicate-m c (rand-float -1 1)))
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(r3 (rand-int 0 2))
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(n1 (t-rand 0.02 0.08 t))
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(e (decay2 t 0.01 n1))
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(f (midi-cps (tseq r1)))
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(l (tseq r2))
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(o (list-ref (list (sin-osc ar f 0) (saw ar f)) r3)))
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(pan2 o l e))))
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(with-sc3
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(lambda (fd)
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(let ((nf (mul 2 48000))
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(c 24))
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(async fd (b-alloc 10 (* nf 2) 1))
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(replicate-m c (rs nf fd))
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(play fd (out 0 (pattern-buffer nf c))))))
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