36 lines
No EOL
934 B
Racket
36 lines
No EOL
934 B
Racket
#lang racket
|
|
;; status - not working as of 20220820 (local soundfile)
|
|
|
|
(require rsc3)
|
|
|
|
;; h-chatter (rd)
|
|
|
|
(define wrp
|
|
(lambda (i l r)
|
|
(let ((m (fdiv (sub r l) 2)))
|
|
(mul-add i m (add l m)))))
|
|
|
|
(define h0
|
|
(let* ((n (mul-add (lf-noise0 kr 1) 5 5))
|
|
(a (mul-add (lf-noise2 kr n) 0.20 1.20))
|
|
(b (mul-add (lf-noise2 kr n) 0.15 0.15))
|
|
(f 40)
|
|
(h (henon-n ar (mce2 f (mul f 0.5)) a b 0 0)))
|
|
(mul (saw ar (mul-add h 3200 1600)) 0.35)))
|
|
|
|
(define h1
|
|
(let* ((n0 (lf-noise0 ar 32))
|
|
(n1 (lf-noise0 ar 2))
|
|
(a (mouse-x* kr 1.2 1.4 0 0.1))
|
|
(b (mouse-y* kr 0.2 0.3 0 0.1))
|
|
(h (wrp n0 1 32))
|
|
(p (wrp n1 2400 3200))
|
|
(l (wrp n1 -0.75 0.75))
|
|
(g (wrp n1 0.55 0.85))
|
|
(f 40)
|
|
(o (blip ar (wrp (henon-n ar f a b 0 0) p (mul p 2)) h)))
|
|
(mul (pan2 o l g) 0.35)))
|
|
|
|
(define h-chatter (add h0 h1))
|
|
|
|
(audition (out 0 h-chatter)) |