rsc3/doc/examples/ugen/controls/wrap-index.help.scm

17 lines
520 B
Scheme

;; (wrap-index bufnum in)
;; index into a table with a signal.
;; The input signal value is truncated to an integer value and used as
;; an index into the table. out of range index values are wrapped
;; cyclically to the valid range.
;; bufnum - index of the buffer
;; in - the input signal.
(with-sc3
(lambda (fd)
(async fd (b-alloc 0 6 1))
(send fd (b-setn1 0 0 (list 200 300 400 500 600 800)))
(let ((f (wrap-index 0 (mouse-x kr 0 18 0 0.1))))
(play fd (out 0 (mul (sin-osc ar f 0) 0.5))))))