rsc3/doc/examples/graph/eggcrate.rkt

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2022-08-24 13:53:18 +00:00
#lang racket
;; status - working as of 20220820
(require rsc3)
;; eggcrate (rd)
(define eggcrate-f
(lambda (u v)
(mul (u:cos (mul u pi)) (u:sin (mul v pi)))))
(define eggcrate
(let* ((p (make-mce (list 64 72 96 128 256 6400 7200 8400 9600)))
(x (brown-noise kr))
(y (brown-noise kr))
(t (dust kr 2.4))
(f0 (t-choose t p))
(f1 (t-choose t p))
(f (lin-lin (eggcrate-f x y) -1 1 f0 f1))
(a (lin-lin x -1 1 0 0.1)))
(pan2 (mix (sin-osc ar f 0)) y a)))
(audition (out 0 eggcrate))