rsc3/doc/help/ugen/demand/dgeom.help.scrbl

33 lines
1,005 B
Racket

#lang scribble/manual
@(require (for-label racket))
@title{(dgeom length start grow)}
demand rate geometric series ugen.
start - start value
grow - value by which to grow ( x = x[-1] * grow )
length - number of values to create
The arguments can be a number or any other ugen
(let* ((a (dgeom 15 1 1.2))
(t (impulse kr (mouse-x kr 1 40 1 0.1) 0))
(f (mul-add (demand t 0 a) 30 340)))
(audition (out 0 (mul (sin-osc ar f 0) 0.1))))
demand rate UGens are not shared...
(let* ((a (dgeom 15 1 1.2))
(t (impulse ar (mouse-x kr 1 40 1 0.1) 0))
(f0 (mul-add (demand (delay1 t) 0 a) 30 340))
(f1 (mul-add (demand t 0 a) 30 340)))
(audition (out 0 (mul (sin-osc ar (mce2 f0 f1) 0) 0.1))))
(let* ((a0 (dgeom 15 1 1.2))
(a1 (dgeom 15 1 1.2))
(t (impulse ar (mouse-x kr 1 40 1 0.1) 0))
(f0 (mul-add (demand (delay1 t) 0 a0) 30 340))
(f1 (mul-add (demand t 0 a1) 30 340)))
(audition (out 0 (mul (sin-osc ar (mce2 f0 f1) 0) 0.1))))