57 lines
825 B
Text
57 lines
825 B
Text
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#lang scribble/manual
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@(require (for-label racket))
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@title{DetectIndex}
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Search a buffer for a value@section{categories}
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UGens>Buffer
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@section{description}
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Search a buffer for a value.
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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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bufnum
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index of the buffer
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@section{argument}
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in
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the input signal.
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@section{returns}
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index
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@section{examples}
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@racketblock[
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(
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var max = 300;
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t = Array.series(max, 0, 1).curdle(0.06).scramble.flat;
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b = Buffer(s, t.size, 1);
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// alloc and set the values
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s.listSendMsg( b.allocMsg( b.setnMsg(0, t) ) );
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{
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var index, in, out, f0, fdiff;
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var bufnum = b;
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var input;
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input = MouseX.kr(0, max).round(1); // round to precision
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index = DetectIndex.kr(bufnum, input);
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index.poll;
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SinOsc.ar(index.linexp(0, max, 200, 700)) * 0.1
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}.play;
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)
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b.free;
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::
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]
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