// name: chugraph.ck// desc: pronounced "chuh-graph" -- rhymes with "subgraph"//       create new UGens by compositing existing UGens!// note: (chuck-1.4.1.0 and up) "Chubgraph" deprecated; use "Chugraph" // make a plucked stringclass PluckedString extends Chubgraph // Chugraph{    // karplus + strong plucked string filter    // Ge Wang (gewang@cs.princeton.edu)        Noise imp => OneZero lowpass => outlet;    lowpass => DelayA delay => lowpass;        .99999 => float R;    1/220 => float L;    -1 => lowpass.zero;    220 => freq;    0 => imp.gain;        fun float freq( float f )    {        // delay length        1/f => L;        // set delay length        L::second => delay.delay;        // set gain        Math.pow( R, L ) => delay.gain;        // return frequency through        return f;    }        fun void pluck( dur ringDur )    {        // turn on the noise...        1 => imp.gain;        // for one delay length        L::second => now;        // turn off the noise        0 => imp.gain;        // let it ring        ringDur => now;    }} // instantiate three chugraphsPluckedString ps[3];// connect as any other UGenfor( int i; i < ps.size(); i++ ) ps[i] => dac;// ring duration2::second => dur ringDur; // infinite time loopwhile( true ){    // iterate over plucked strings    for( int i; i < ps.size(); i++ )    {        // randomize pitch        Math.random2( 36, 72 ) => Std.mtof => ps[i].freq;        // spork the pluck        spork ~ ps[i].pluck( 2*ringDur );        // wait a bit        0.25::second => now;    }        // let ring...    ringDur => now;}