100 lines
1.5 KiB
Text
100 lines
1.5 KiB
Text
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#lang scribble/manual
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@(require (for-label racket))
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@title{Trig1}
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Timed trigger.@section{related}
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Classes/Trig
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@section{categories}
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UGens>Triggers
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@section{description}
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When a nonpositive to positive transition occurs at the input, Trig1
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outputs 1 for the specified duration, otherwise outputs 0.
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@section{classmethods}
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@section{method}
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ar, kr
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@section{argument}
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in
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Trigger. Trigger can be any signal. A trigger happens when the
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signal changes from non-positive to positive.
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@section{argument}
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dur
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Duration of the trigger output.
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@section{Examples}
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@racketblock[
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{ Trig1.ar(Dust.ar(1), 0.2) * FSinOsc.ar(800, 0.5) }.play
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To create a fixed duration gate
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(
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SynthDef("trig1",{ arg dur=0.125;
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var gate;
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gate = Trig1.kr(1.0,dur);
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OffsetOut.ar(0,
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SinOsc.ar(800, 0.3)
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* EnvGen.kr(
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Env([0,0.1,0.1,0],[0.01,1.0,0.01],[-4,4],2),
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gate,
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doneAction: Done.freeSelf)
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)
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}).add;
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Routine({
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1.0.wait;
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100.do({
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s.sendBundle(0.05,["s_new", "trig1" ,-1,0,0,0,rrand(0.02,0.25)]);
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0.25.wait
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})
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}).play(SystemClock)
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)
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This should sound like a continuous sine wave, although it is actually a series of 0.25 second synths.
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(
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SynthDef("trig1",{
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var gate;
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gate = Trig1.kr(1.0,0.25);
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OffsetOut.ar(0,
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SinOsc.ar(800, 0.3)
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* EnvGen.kr(
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Env([0,0.1,0.1,0],[0.01,1.0,0.01],[-4,4],2),
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gate,
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doneAction: Done.freeSelf)
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)
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}).add;
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Routine({
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1.0.wait;
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100.do({
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s.sendBundle(0.05,["s_new", "trig1" ,-1]);
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0.25.wait
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})
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}).play(SystemClock)
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)
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::
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]
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