Help/Streams-Patterns-Events/Patterns/Prout.html

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  25 <p class="p1"><span class="s1"><b>Prout<span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></b></span><b>routine pattern</b></p>
  26 <p class="p2"><br></p>
  27 <p class="p1">superclass: Pattern</p>
  28 <p class="p2"><br></p>
  29 <p class="p1"><b>Prout(func)</b></p>
  30 <p class="p2"><br></p>
  31 <p class="p1">Returns a routine from the function.</p>
  32 <p class="p2"><br></p>
  33 <p class="p1"><b>func </b>- routine function</p>
  34 <p class="p2"><br></p>
  35 <p class="p2"><br></p>
  36 <p class="p1"><b>See also:</b> Proutine, <a href="../../Core/Kernel/Routine.html"><span class="s2">Routine</span></a></p>
  37 <p class="p2"><br></p>
  38 <p class="p1">note that there is a shortcut to create a Prout:</p>
  39 <p class="p2"><br></p>
  40 <p class="p1"><b>p(func)</b></p>
  41 <p class="p2"><br></p>
  42 <p class="p3"><br></p>
  43 <p class="p4">// example</p>
  44 <p class="p3"><br></p>
  45 <p class="p5">(</p>
  46 <p class="p5"><span class="s2">var</span> a;</p>
  47 <p class="p5">a = <span class="s2">Prout</span>({ loop { 1.yield; 2.yield; 7.yield; 10.do { 1.0.rand.yield } }});</p>
  48 <p class="p5">a.asStream.nextN(100).plot;</p>
  49 <p class="p5">)</p>
  50 <p class="p3"><br></p>
  51 <p class="p3"><br></p>
  52 <p class="p4">// sound example</p>
  53 <p class="p5">(</p>
  54 <p class="p6"><span class="s2">SynthDef</span><span class="s3">(</span>\help_sinegrain<span class="s3">,<span class="Apple-converted-space"> </span></span></p>
  55 <p class="p5"><span class="Apple-tab-span">     </span>{ <span class="s2">arg</span> out=0, freq=440, sustain=0.05;</p>
  56 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s2">var</span> env;</p>
  57 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>env = <span class="s2">EnvGen</span>.kr(<span class="s2">Env</span>.perc(0.01, sustain, 0.2), doneAction:2);</p>
  58 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s2">Out</span>.ar(out, <span class="s2">SinOsc</span>.ar(freq, 0, env))</p>
  59 <p class="p5"><span class="Apple-tab-span">     </span>}).add;</p>
  60 <p class="p5">)</p>
  61 <p class="p3"><br></p>
  62 <p class="p3"><br></p>
  63 <p class="p5">(</p>
  64 <p class="p5"><span class="s2">var</span> a;</p>
  65 <p class="p5">a = <span class="s2">Prout</span>({ loop { 1.yield; 2.yield; 7.yield; 10.do { 1.0.rand.yield } }}).asStream;</p>
  66 <p class="p5">{</p>
  67 <p class="p5"><span class="Apple-tab-span">     </span>a.do { <span class="s2">|val|</span></p>
  68 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s2">Synth</span>(<span class="s4">\help_sinegrain</span>, [<span class="s4">\freq</span>, val * 100 + 300]);</p>
  69 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>0.02.wait;</p>
  70 <p class="p5"><span class="Apple-tab-span">     </span>}</p>
  71 <p class="p5">}.fork;</p>
  72 <p class="p5">)</p>
  73 <p class="p3"><br></p>
  74 <p class="p4">// shortcut:</p>
  75 <p class="p3"><br></p>
  76 <p class="p5">(</p>
  77 <p class="p7">Pbind<span class="s3">(</span></p>
  78 <p class="p6"><span class="s3"><span class="Apple-tab-span">    </span></span>\instrument<span class="s3">, </span>\help_sinegrain<span class="s3">,<span class="Apple-converted-space"> </span></span></p>
  79 <p class="p5"><span class="Apple-tab-span">     </span><span class="s4">\freq</span>, p { loop { ([1000, 2000].choose + [100, 200].choose + [10, 20].choose).postln.yield } },</p>
  80 <p class="p5"><span class="Apple-tab-span">     </span><span class="s4">\dur</span>, 0.1</p>
  81 <p class="p5">).play;</p>
  82 <p class="p5">)</p>
  83 <p class="p3"><br></p>
  84 <p class="p3"><br></p>
  85 <p class="p3"><br></p>
  86 <p class="p3"><br></p>
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