71 lines
1.1 KiB
Racket
71 lines
1.1 KiB
Racket
#lang scribble/manual
|
|
@(require (for-label racket))
|
|
|
|
@title{Padd}
|
|
add to value of a key in event stream@section{related}
|
|
Classes/Paddp, Classes/Pmul
|
|
@section{categories}
|
|
Streams-Patterns-Events>Patterns>Math
|
|
|
|
@section{ClassMethods}
|
|
|
|
|
|
@section{method}
|
|
new
|
|
|
|
@section{argument}
|
|
name
|
|
|
|
@section{argument}
|
|
value
|
|
can be a pattern or a stream. The resulting stream ends when that incoming stream ends.
|
|
|
|
@section{argument}
|
|
pattern
|
|
|
|
@section{Examples}
|
|
|
|
|
|
|
|
@racketblock[
|
|
(
|
|
var a, b;
|
|
a = Padd(\freq, 801, Pbind(\freq, 100));
|
|
x = a.asStream;
|
|
9.do({ x.next(Event.new).postln; });
|
|
)
|
|
::
|
|
|
|
]
|
|
|
|
@racketblock[
|
|
(
|
|
var a, b;
|
|
a = Padd(\freq, Pseq([401, 801], 2), Pbind(\freq, 100));
|
|
x = a.asStream;
|
|
9.do({ x.next(Event.new).postln; });
|
|
)
|
|
::
|
|
|
|
]
|
|
|
|
@racketblock[
|
|
//sound example
|
|
(
|
|
SynthDef(\sinegrain,
|
|
{ arg out=0, freq=440, gate=1;
|
|
var env;
|
|
env = EnvGen.kr(Env.asr(0.001, 1, 0.2), gate, doneAction: Done.freeSelf);
|
|
Out.ar(out, SinOsc.ar(freq, 0, env * 0.1))
|
|
}).add;
|
|
)
|
|
|
|
(
|
|
a = Pbind(\dur, 0.5, \instrument, \sinegrain, \freq, 440);
|
|
b = Padd(\freq, Pseq([10, 30, 100], inf), a);
|
|
b.play;
|
|
)
|
|
::
|
|
]
|
|
|
|
|