55 lines
1.1 KiB
Text
55 lines
1.1 KiB
Text
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#lang scribble/manual
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@(require (for-label racket))
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@title{Ptpar}
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embed event streams in parallel, with time offset@section{related}
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Classes/Ppar
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@section{categories}
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Streams-Patterns-Events>Patterns>Parallel
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@section{description}
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Embeds several event streams so that they form a single output stream with all their events in temporal order, providing a global strong::offset:: for each. When one stream ends, the other streams are further embedded until all have ended.
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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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list
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list of pairs of times and patterns: [time, pat, time, pat .. ].
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@section{argument}
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repeats
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repeat the whole pattern n times.
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@section{Examples}
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@racketblock[
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// see the delta values in the resulting events
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(
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var a, b, c, t;
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a = Pbind(\x, Pseq([1, 2, 3, 4]), \dur, 1);
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b = Pbind(\x, Pseq([10, 20, 30, 40]), \dur, 0.4);
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c = Ptpar([0.0, a, 1.3, b]);
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t = c.asStream;
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20.do({ t.next(Event.default).postln; });
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)
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// sound example
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(
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var a, b;
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a = Pbind(\note, Pseq([7, 4, 0], 4), \dur, Pseq([1, 0.5, 1.5], inf));
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b = Pbind(\note, Pseq([5, 10, 12], 4), \dur, 1);
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Ptpar([ 0.0, a, 1.3, b ]).play;
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)
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::
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]
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