76 lines
1.1 KiB
Text
76 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{Ptime}
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returns time in beats from moment of embedding in stream@section{related}
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Classes/Pkey
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@section{categories}
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Streams-Patterns-Events>Patterns>Time
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@section{Examples}
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@racketblock[
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(
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a = Ptime.new;
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x = a.asStream;
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)
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x.next;
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x.next;
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x.next;
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// post time in a playing event stream
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(
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Pbind(
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\pfunc, Ptime.new.trace,
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\dur, Pseries(0.5, 0.5, 5)
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).play;
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)
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// change degree independant of number of events that have been playing
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(
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var a, b;
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a = Pbind(
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\degree, Pswitch(#[0, 2b, 3], Ptime(8).round(2) / 2),
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\dur, Prand(#[0.2, 0.5, 1.1, 0.25, 0.15], inf)
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);
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b = Pbind(
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\degree, Pseq(#[0, 2b, 3], 1),
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\dur, 2,
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\ctranspose, -7
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);
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Pseq([Event.silent(1.25), Ppar([a, b])], inf).play;
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)
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// test tempo changes
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(
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var a, b;
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a = Pbind(
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\degree, Pswitch(#[0, 2b, 3], Ptime(8).round(2) / 2),
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\dur, Prand(#[0.2, 0.5, 1.1, 0.25, 0.15], 9)
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);
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b = Pbind(
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\degree, Pseq(#[0, 2b, 3], 1),
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\dur, 2,
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\ctranspose, -7
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);
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Pn(
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Pfset({ ~tempo = #[1, 2, 4].choose.postln },
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Pseq([
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Event.silent(1.25),
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Ppar([a, b])
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])
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)
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).play
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)
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::
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]
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