Help/UGens/Synth control/DetectIndex.htm

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  22 <p class="p1"><span class="s1"><b>DetectIndex<span class="Apple-tab-span">      </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></b></span><b>search a buffer for a value</b><span class="s1"><b><span class="Apple-tab-span">   </span><span class="Apple-tab-span">    </span></b></span></p>
  23 <p class="p2"><br></p>
  24 <p class="p1"><b>DetectIndex.ar(bufnum, in, mul, add)</b></p>
  25 <p class="p1"><b>DetectIndex.kr(bufnum, in, mul, add)</b></p>
  26 <p class="p2"><br></p>
  27 <p class="p2"><br></p>
  28 <p class="p2"><br></p>
  29 <p class="p1"><b>bufnum</b> - index of the buffer</p>
  30 <p class="p1"><b>in</b> - the input signal.</p>
  31 <p class="p2"><br></p>
  32 <p class="p3"><br></p>
  33 <p class="p4">(</p>
  34 <p class="p4"><span class="s2">var</span> max = 300;</p>
  35 <p class="p4">t = <span class="s2">Array</span>.series(max, 0, 1).curdle(0.06).scramble.flat;</p>
  36 <p class="p4">b = <span class="s2">Buffer</span>(s, t.size, 1);</p>
  37 <p class="p3"><br></p>
  38 <p class="p5">// alloc and set the values</p>
  39 <p class="p4">s.listSendMsg( b.allocMsg( b.setnMsg(0, t) ) );</p>
  40 <p class="p3"><br></p>
  41 <p class="p3"><br></p>
  42 <p class="p4">{</p>
  43 <p class="p4"><span class="Apple-tab-span">     </span><span class="s2">var</span> index, in, out, f0, fdiff;</p>
  44 <p class="p4"><span class="Apple-tab-span">     </span><span class="s2">var</span> bufnum = b;</p>
  45 <p class="p4"><span class="Apple-tab-span">     </span><span class="s2">var</span> input;</p>
  46 <p class="p4"><span class="Apple-tab-span">     </span>input = <span class="s2">MouseX</span>.kr(0, max).round(1); <span class="s3">// round to precision</span></p>
  47 <p class="p4"><span class="Apple-tab-span">     </span>index = <span class="s2">DetectIndex</span>.kr(bufnum, input);</p>
  48 <p class="p4"><span class="Apple-tab-span">     </span>index.poll;</p>
  49 <p class="p4"><span class="Apple-tab-span">     </span><span class="s2">SinOsc</span>.ar(index.linexp(0, max, 200, 700)) * 0.1</p>
  50 <p class="p4">}.play;</p>
  51 <p class="p4">)</p>
  52 <p class="p3"><br></p>
  53 <p class="p4">b.free;</p>
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