48 lines
860 B
Text
48 lines
860 B
Text
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#lang scribble/manual
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@(require (for-label racket))
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@title{Pgate}
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gated stream advances only when an event key is true@section{related}
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Classes/Pn
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@section{categories}
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Streams-Patterns-Events>Patterns>Repetition
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@section{description}
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Pgate advances its subpattern whenever strong::key:: is true. Pgate must be used within an Event pattern.
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@section{Examples}
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@racketblock[
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// Pn advances Pgate each time its subpattern is repeated
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(
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Pbind(
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\degree, Pn(Pseq((0..7)), inf, \step),
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\mtranspose, Pgate(Pwhite(0,5), inf, \step),
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\dur, 0.2
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).play
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)
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// Two different Pgates advanced at two different rates
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(
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Pbind(
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\scale, Scale.minor,
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\foo, Pn(Pseq((0..2)),inf, \step1),
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\degree, Pn(Pseq((0..7).mirror), inf, \step),
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\ctranspose, Pgate(Pwhite(0,5), inf, \step) +
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Pgate(Pseq([0,7,0,-7], inf), inf, \step1),
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\dur, 0.2
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).play
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)
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::
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]
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