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

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  26 <p class="p1"><span class="s1"><b>Pfuncn<span class="Apple-tab-span">   </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></b></span><b>function pattern of given length</b></p>
  27 <p class="p2"><br></p>
  28 <p class="p1">superclass: Pattern</p>
  29 <p class="p2"><br></p>
  30 <p class="p1"><b>Pfunc(func, repeats)</b></p>
  31 <p class="p2"><br></p>
  32 <p class="p1">Returns a stream that returns values from the func.</p>
  33 <p class="p2"><br></p>
  34 <p class="p1"><b>func </b>- stream function</p>
  35 <p class="p1"><b>repeats </b>-<span class="Apple-converted-space">  </span>end after this number of times</p>
  36 <p class="p2"><br></p>
  37 <p class="p1"><b>See also:</b> <a href="Pfunc.html"><span class="s2">Pfunc</span></a></p>
  38 <p class="p2"><br></p>
  39 <p class="p3"><br></p>
  40 <p class="p4">// example</p>
  41 <p class="p3"><br></p>
  42 <p class="p5">(</p>
  43 <p class="p5"><span class="s3">var</span> a, b, c;</p>
  44 <p class="p5">a = <span class="s3">Pfuncn</span>({ exprand(0.1, 2.0) + #[1, 2, 3, 6].choose }, 2);</p>
  45 <p class="p5">b = <span class="s3">Pfuncn</span>({ #[-2, -3].choose }, 2);</p>
  46 <p class="p5">Pseq([a, b], inf).asStream.nextN(20).postln;</p>
  47 <p class="p5">)</p>
  48 <p class="p3"><br></p>
  49 <p class="p3"><br></p>
  50 <p class="p4">// sound example</p>
  51 <p class="p5">(</p>
  52 <p class="p6"><span class="s4">SynthDef</span><span class="s5">(</span>\help_sinegrain<span class="s5">,<span class="Apple-converted-space"> </span></span></p>
  53 <p class="p5"><span class="Apple-tab-span">     </span>{ <span class="s4">arg</span> out=0, freq=440, sustain=0.05;</p>
  54 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s4">var</span> env;</p>
  55 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>env = <span class="s4">EnvGen</span>.kr(<span class="s4">Env</span>.perc(0.01, sustain, 0.2), doneAction:2);</p>
  56 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s4">Out</span>.ar(out, <span class="s4">SinOsc</span>.ar(freq, 0, env))</p>
  57 <p class="p5"><span class="Apple-tab-span">     </span>}).add;</p>
  58 <p class="p5">)</p>
  59 <p class="p3"><br></p>
  60 <p class="p3"><br></p>
  61 <p class="p5">(</p>
  62 <p class="p5"><span class="s4">var</span> a, b, c;</p>
  63 <p class="p5">a = <span class="s4">Pfuncn</span>({ exprand(0.1, 2.0) + #[1, 2, 3, 6].choose }, 2);</p>
  64 <p class="p5">b = <span class="s4">Pfuncn</span>({ #[-2, -3].choose }, 7);</p>
  65 <p class="p5">c = <span class="s4">Pseq</span>([a, b], <span class="s4">inf</span>).asStream;</p>
  66 <p class="p5">{</p>
  67 <p class="p5"><span class="Apple-tab-span">     </span>c.do { <span class="s4">|val|</span></p>
  68 <p class="p5"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s4">Synth</span>(<span class="s6">\help_sinegrain</span>, [<span class="s6">\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="p3"><br></p>
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