Help/UGens/Triggers/LastValue.html

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  22 <p class="p1"><b>LastValue<span class="Apple-converted-space"> <span class="Apple-tab-span">   </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></span></b></p>
  23 <p class="p2"><br></p>
  24 <p class="p3"><b>LastValue.ar(in, diff)</b></p>
  25 <p class="p3"><b>LastValue.kr(in, diff)</b></p>
  26 <p class="p4"><b></b><br></p>
  27 <p class="p3">output the last value before the input changed more than a threshhold</p>
  28 <p class="p4"><br></p>
  29 <p class="p4"><br></p>
  30 <p class="p3"><b><span class="Apple-tab-span">  </span>in<span class="Apple-tab-span">  </span></b>input</p>
  31 <p class="p3"><b><span class="Apple-tab-span">  </span>diff</b> <span class="Apple-tab-span">   </span>difference threshhold<span class="Apple-converted-space"> </span></p>
  32 <p class="p5"><br></p>
  33 <p class="p4"><br></p>
  34 <p class="p6"><span class="Apple-tab-span">     </span>d = { <span class="s1">arg</span> freq=440; <span class="s1">SinOsc</span>.ar(<span class="s1">LastValue</span>.ar(freq, 20), 0, 0.2) }.play;</p>
  35 <p class="p4"><br></p>
  36 <p class="p6"><span class="Apple-tab-span">     </span>d.set(<span class="s2">\freq</span>, 400);</p>
  37 <p class="p6"><span class="Apple-tab-span">     </span>d.set(<span class="s2">\freq</span>, 200);</p>
  38 <p class="p6"><span class="Apple-tab-span">     </span>d.set(<span class="s2">\freq</span>, 670);</p>
  39 <p class="p6"><span class="Apple-tab-span">     </span>d.set(<span class="s2">\freq</span>, 680);</p>
  40 <p class="p6"><span class="Apple-tab-span">     </span>d.set(<span class="s2">\freq</span>, 695);</p>
  41 <p class="p6"><span class="Apple-tab-span">     </span>d.free;</p>
  42 <p class="p4"><span class="Apple-tab-span">     </span></p>
  43 <p class="p4"><span class="Apple-tab-span">     </span></p>
  44 <p class="p4"><span class="Apple-tab-span">     </span></p>
  45 <p class="p3"><span class="Apple-tab-span">     </span>return the difference between currrent and the last changed<span class="Apple-converted-space"> </span></p>
  46 <p class="p4"><span class="Apple-tab-span">     </span></p>
  47 <p class="p6"><span class="Apple-tab-span">     </span>(</p>
  48 <p class="p6"><span class="Apple-tab-span">     </span>d = { <span class="s1">arg</span> out=0, val=1;</p>
  49 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s1">SinOsc</span>.ar(</p>
  50 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>abs(val - <span class="s1">LastValue</span>.kr(val)) * 400 + 200,<span class="Apple-converted-space"> </span></p>
  51 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>0, 0.2</p>
  52 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>)</p>
  53 <p class="p6"><span class="Apple-tab-span">     </span>}.play;</p>
  54 <p class="p6"><span class="Apple-tab-span">     </span>)</p>
  55 <p class="p2"><span class="Apple-tab-span">     </span></p>
  56 <p class="p6"><span class="Apple-tab-span">     </span>d.set(<span class="s2">\val</span>, 3);</p>
  57 <p class="p6"><span class="Apple-tab-span">     </span>d.set(<span class="s2">\val</span>, 2);</p>
  58 <p class="p6"><span class="Apple-tab-span">     </span>d.set(<span class="s2">\val</span>, 0.2);</p>
  59 <p class="p6"><span class="Apple-tab-span">     </span>d.set(<span class="s2">\val</span>, 1);</p>
  60 <p class="p6"><span class="Apple-tab-span">     </span>d.set(<span class="s2">\val</span>, 2);</p>
  61 <p class="p6"><span class="Apple-tab-span">     </span>d.free;</p>
  62 <p class="p2"><span class="Apple-tab-span">     </span></p>
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