64 lines
1.3 KiB
Racket
64 lines
1.3 KiB
Racket
#lang scribble/manual
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@(require (for-label racket))
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@title{Pmulp}
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multiply with each value of a pattern to value of a key in event stream@section{related}
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Classes/Pmul, Classes/Paddp
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@section{categories}
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Streams-Patterns-Events>Patterns>Math
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@section{description}
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Adds a value to a named value in an event pattern or stream until it ends. Repeats this with new values until the value stream ends.
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@section{ClassMethods}
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@section{method}
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new
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@section{argument}
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name
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the named value in the event pattern or stream to multiply.
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@section{argument}
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value
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The value, pattern, stream or array to multiply with. The resulting stream ends when this incoming stream ends.
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@section{argument}
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pattern
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The event pattern or stream within which to multiply the new values.
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@section{Examples}
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@racketblock[
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(
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var a, b;
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a = Pmulp(\freq, Pseq([2, 3, pi],inf), Pbind(\freq, Pseq([100, 200, 300])));
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x = a.asStream;
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9.do({ x.next(Event.new).postln; });
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)
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::
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]
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@racketblock[
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//sound example
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(
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SynthDef(\sinegrain,
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{ arg out=0, freq=440, sustain=0.02;
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var env;
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env = EnvGen.kr(Env.perc(0.001, sustain), 1, doneAction: Done.freeSelf);
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Out.ar(out, SinOsc.ar(freq, 0, env * 0.1))
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}).add;
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)
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(
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a = Pbind(\freq, Pseq([500, 600, 700]), \instrument, \sinegrain);
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a = Pmulp(\freq, Pseq([0.5, 0.9, 0.8], inf), a);
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a.play;
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)
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::
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]
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