Help/UGens/Triggers/Trig1.html

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  24 <p class="p1"><b>Trig1<span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>timed trigger</b></p>
  25 <p class="p2"><br></p>
  26 <p class="p3"><b>Trig1.ar(in, dur)</b></p>
  27 <p class="p3"><b>Trig1.kr(in, dur)</b></p>
  28 <p class="p2"><br></p>
  29 <p class="p3">When a nonpositive to positive transition occurs at the input, Trig outputs 1.0 for the specified duration, otherwise it outputs zero.</p>
  30 <p class="p2"><br></p>
  31 <p class="p3"><b>trig</b> - trigger. Trigger can be any signal. A trigger happens when the signal changes from non-positive to positive.</p>
  32 <p class="p3"><b>dur</b> - duration of the trigger output. (Default 0.1)</p>
  33 <p class="p4"><br></p>
  34 <p class="p5"><br></p>
  35 <p class="p6">{ <span class="s1">Trig1</span>.ar(<span class="s1">Dust</span>.ar(1), 0.2) * <span class="s1">FSinOsc</span>.ar(800, 0, 0.5) }.play</p>
  36 <p class="p5"><br></p>
  37 <p class="p5"><br></p>
  38 <p class="p3">To create a fixed duration gate</p>
  39 <p class="p6">(</p>
  40 <p class="p5"><br></p>
  41 <p class="p6"><span class="s1">SynthDef</span>(<span class="s2">"trig1"</span>,{ arg dt = 0.125;</p>
  42 <p class="p6"><span class="Apple-tab-span">     </span><span class="s1">var</span> gate;</p>
  43 <p class="p6"><span class="Apple-tab-span">     </span>gate = <span class="s1">Trig1</span>.kr(1.0, dt);</p>
  44 <p class="p6"><span class="Apple-tab-span">     </span>Offset<span class="s1">Out</span>.ar(0,</p>
  45 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s1">SinOsc</span>.ar(800, 0.3)<span class="Apple-converted-space"> </span></p>
  46 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>* EnvGen.kr(</p>
  47 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>Env([0,0.1,0.1,0],[0.01,1.0,0.01],[-4,4],2),</p>
  48 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>gate,</p>
  49 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>doneAction: 2)</p>
  50 <p class="p6"><span class="Apple-tab-span">     </span>)</p>
  51 <p class="p6">}).send(s);</p>
  52 <p class="p5"><br></p>
  53 <p class="p7">Routine<span class="s3">({</span></p>
  54 <p class="p6"><span class="Apple-tab-span">     </span>1.0.wait;</p>
  55 <p class="p6"><span class="Apple-tab-span">     </span>100.do({</p>
  56 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>s.sendBundle(0.05,["s_new", <span class="s2">"trig1"</span> ,-1,0,0,0,rrand(0.02,0.25)]);</p>
  57 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>0.25.wait</p>
  58 <p class="p6"><span class="Apple-tab-span">     </span>})</p>
  59 <p class="p7"><span class="s3">}).play(</span>SystemClock<span class="s3">)</span></p>
  60 <p class="p5"><br></p>
  61 <p class="p6">)</p>
  62 <p class="p5"><br></p>
  63 <p class="p3"><b>This should sound like a continous sine wave, although it is actually a series of 0.25 second synths.</b></p>
  64 <p class="p6">(</p>
  65 <p class="p7">SynthDef<span class="s3">(</span><span class="s2">"trig1"</span><span class="s3">,{</span></p>
  66 <p class="p6"><span class="Apple-tab-span">     </span><span class="s1">var</span> gate;</p>
  67 <p class="p6"><span class="Apple-tab-span">     </span>gate = <span class="s1">Trig1</span>.kr(1.0, 0.25);</p>
  68 <p class="p7"><span class="s3"><span class="Apple-tab-span">    </span></span>OffsetOut<span class="s3">.ar(0,</span></p>
  69 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s1">SinOsc</span>.ar(800, 0.3)<span class="Apple-converted-space"> </span></p>
  70 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>* <span class="s1">EnvGen</span>.kr(</p>
  71 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="s1">Env</span>([0,0.1,0.1,0],[0.01,1.0,0.01],[-4,4],2),</p>
  72 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>gate,</p>
  73 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span>doneAction: 2)</p>
  74 <p class="p6"><span class="Apple-tab-span">     </span>)</p>
  75 <p class="p6">}).send(s);</p>
  76 <p class="p5"><br></p>
  77 <p class="p7">Routine<span class="s3">({</span></p>
  78 <p class="p6"><span class="Apple-tab-span">     </span>1.0.wait;</p>
  79 <p class="p6"><span class="Apple-tab-span">     </span>100.do({</p>
  80 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>s.sendBundle(0.05,[<span class="s2">"s_new"</span>, <span class="s2">"trig1"</span> ,-1]);</p>
  81 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>0.25.wait</p>
  82 <p class="p6"><span class="Apple-tab-span">     </span>})</p>
  83 <p class="p7"><span class="s3">}).play(</span>SystemClock<span class="s3">)</span></p>
  84 <p class="p5"><br></p>
  85 <p class="p6">)</p>
  86 <p class="p5"><br></p>
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