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

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  28 <p class="p1"><span class="s1"><b>Pbinop<span class="Apple-tab-span">   </span><span class="Apple-tab-span">    </span><span class="Apple-tab-span">    </span></b></span><b>binary operator pattern</b></p>
  29 <p class="p2"><br></p>
  30 <p class="p1">superclass: Pattern</p>
  31 <p class="p2"><br></p>
  32 <p class="p1"><b>Pbinop(operator, a, b)</b></p>
  33 <p class="p2"><br></p>
  34 <p class="p1">Returns a stream that applies the binary operator to the stream values of the receiver</p>
  35 <p class="p1">Usually, this is the result of applying a binary operator (i.e. a method with one argument) to a pattern.</p>
  36 <p class="p2"><br></p>
  37 <p class="p1"><b>operator </b>- operator to be applied</p>
  38 <p class="p1"><b>a</b> - a pattern (or compatible pattern input)</p>
  39 <p class="p1"><b>b</b> -<span class="Apple-converted-space">  </span>a pattern (or compatible pattern input)</p>
  40 <p class="p2"><br></p>
  41 <p class="p1">examples of binary operators are: +, -, /, *, min, max, hypot ...</p>
  42 <p class="p2"><br></p>
  43 <p class="p3"><span class="s2"><b>See also: </b><a href="Pnaryop.html"><span class="s3">Pnaryop</span></a>, <a href="Punop.html"><span class="s4">Punop</span></a>, <a href="../../Core/BinaryOpFunction.html"><span class="s3">BinaryOpFunction</span></a></span></p>
  44 <p class="p2"><br></p>
  45 <p class="p4"><br></p>
  46 <p class="p5">// example</p>
  47 <p class="p4"><br></p>
  48 <p class="p6">(</p>
  49 <p class="p6"><span class="s5">var</span> a;</p>
  50 <p class="p6">a = <span class="s5">Pbinop</span>(<span class="s6">\hypot</span>, <span class="s5">Pseries</span>(0, 1, 12), <span class="s5">Pseries</span>(3, -1, 12));</p>
  51 <p class="p6">a.asStream.all;</p>
  52 <p class="p6">)</p>
  53 <p class="p4"><br></p>
  54 <p class="p5">// this is the same as:</p>
  55 <p class="p6">(</p>
  56 <p class="p6"><span class="s5">var</span> a;</p>
  57 <p class="p6">a = <span class="s5">Pseries</span>(0, 1, 12).hypot(<span class="s5">Pseries</span>(3, -1, 12));</p>
  58 <p class="p6">a.asStream.all;</p>
  59 <p class="p6">)</p>
  60 <p class="p4"><br></p>
  61 <p class="p5">// also written as:</p>
  62 <p class="p6">(</p>
  63 <p class="p6"><span class="s5">var</span> a;</p>
  64 <p class="p6">a = <span class="s5">Pseries</span>(0, 1, 12) hypot: <span class="s5">Pseries</span>(3, -1, 12);</p>
  65 <p class="p6">a.asStream.all;</p>
  66 <p class="p6">)</p>
  67 <p class="p4"><br></p>
  68 <p class="p5">// some common cases:</p>
  69 <p class="p6"><span class="s5">Pseq</span>([1, 2, 3]) + 2;</p>
  70 <p class="p6"><span class="s5">Pseq</span>([1, 2, 3]) / <span class="s5">Pseq</span>([3, 4, 5, 6]);</p>
  71 <p class="p6">max(<span class="s5">Pwhite</span>(-10, 10, <span class="s5">inf</span>), <span class="s5">Pseq</span>([0, 2, 3, 4]));</p>
  72 <p class="p4"><br></p>
  73 <p class="p5">// sound example</p>
  74 <p class="p6">(</p>
  75 <p class="p7"><span class="s5">SynthDef</span><span class="s2">(</span>\help_sinegrain<span class="s2">,<span class="Apple-converted-space"> </span></span></p>
  76 <p class="p6"><span class="Apple-tab-span">     </span>{ <span class="s5">arg</span> out=0, freq=440, sustain=0.05, amp=0.1;</p>
  77 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s5">var</span> env;</p>
  78 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>env = <span class="s5">EnvGen</span>.kr(<span class="s5">Env</span>.perc(0.01, sustain, 0.2, amp), doneAction:2);</p>
  79 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s5">Out</span>.ar(out, <span class="s5">SinOsc</span>.ar(freq, 0, env))</p>
  80 <p class="p6"><span class="Apple-tab-span">     </span>}).add;</p>
  81 <p class="p6">)</p>
  82 <p class="p4"><br></p>
  83 <p class="p4"><br></p>
  84 <p class="p6">(</p>
  85 <p class="p6"><span class="s5">var</span> a;</p>
  86 <p class="p6">a = <span class="s5">Pn</span>(<span class="s5">Pbinop</span>(<span class="s6">\hypot</span>, <span class="s5">Pseries</span>(0, 1, 34), <span class="s5">Pseries</span>(3, -1, 34)), <span class="s5">inf</span>).asStream;</p>
  87 <p class="p6">{</p>
  88 <p class="p6"><span class="Apple-tab-span">     </span>a.do { <span class="s5">|val|</span></p>
  89 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s5">Synth</span>(<span class="s6">\help_sinegrain</span>, [<span class="s6">\freq</span>, a * 200 + 300].postln);</p>
  90 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>0.05.wait;</p>
  91 <p class="p6"><span class="Apple-tab-span">     </span>}</p>
  92 <p class="p6">}.fork;</p>
  93 <p class="p6">)</p>
  94 <p class="p4"><br></p>
  95 <p class="p6">(</p>
  96 <p class="p8">Pbind<span class="s2">(</span></p>
  97 <p class="p6"><span class="Apple-tab-span">     </span><span class="s6">\dur</span>, 0.01,</p>
  98 <p class="p7"><span class="s2"><span class="Apple-tab-span">    </span></span>\instrument<span class="s2">, </span>\help_sinegrain<span class="s2">,</span></p>
  99 <p class="p6"><span class="Apple-tab-span">     </span><span class="s6">\note</span>, <span class="s5">Pn</span>(<span class="s5">Pbinop</span>(<span class="s6">\hypot</span>, <span class="s5">Pwhite</span>(0, 12, 13), <span class="s5">Pseries</span>(3, -1, 12)))</p>
 100 <p class="p6">).play;</p>
 101 <p class="p6">)</p>
 102 <p class="p4"><br></p>
 103 <p class="p4"><br></p>
 104 <p class="p4"><br></p>
 105 <p class="p5">// these are the same as:</p>
 106 <p class="p4"><br></p>
 107 <p class="p6">(</p>
 108 <p class="p6"><span class="s5">var</span> a;</p>
 109 <p class="p6">a = <span class="s5">Pn</span>(<span class="s5">Pseries</span>(0, 1, 34) hypot: <span class="s5">Pseries</span>(3, -1, 34), <span class="s5">inf</span>).asStream;</p>
 110 <p class="p6">{</p>
 111 <p class="p6"><span class="Apple-tab-span">     </span>a.do { <span class="s5">|val|</span></p>
 112 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span><span class="s5">Synth</span>(<span class="s6">\help_sinegrain</span>, [<span class="s6">\freq</span>, a * 200 + 300].postln);</p>
 113 <p class="p6"><span class="Apple-tab-span">     </span><span class="Apple-tab-span">    </span>0.05.wait;</p>
 114 <p class="p6"><span class="Apple-tab-span">     </span>}</p>
 115 <p class="p6">}.fork;</p>
 116 <p class="p6">)</p>
 117 <p class="p4"><br></p>
 118 <p class="p4"><br></p>
 119 <p class="p6">(</p>
 120 <p class="p8">Pbind<span class="s2">(</span></p>
 121 <p class="p6"><span class="Apple-tab-span">     </span><span class="s6">\dur</span>, 0.01,</p>
 122 <p class="p7"><span class="s2"><span class="Apple-tab-span">    </span></span>\instrument<span class="s2">, </span>\help_sinegrain<span class="s2">,</span></p>
 123 <p class="p6"><span class="Apple-tab-span">     </span><span class="s6">\note</span>, <span class="s5">Pn</span>(<span class="s5">Pwhite</span>(0, 12, 13) hypot: <span class="s5">Pseries</span>(3, -1, 12))</p>
 124 <p class="p6">).play;</p>
 125 <p class="p6">)</p>
 126 <p class="p4"><br></p>
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