// @title m220a-Duo.ck // @desc a sound player with polyphony for DataReader class // @author Chris Chafe (cc@ccrma) //=== TODO: modify this path and name for your system ===// // "/home/cc/220a/hw1/" => string dataDir; // linux template "/Users/hongchan/Desktop/" => string dataDir; // osx template // update rate in ms 100.0 => float update; // new class to manage envelopes class Env { Step s => Envelope e => blackhole; // feed constant into env update::ms => e.duration; // set ramp time fun void target (float val) { e.target(val); } } class Player { SinOsc s => NRev rev; fun void setChan(int c) { rev => dac.chan(c); } rev.mix(0.05); Env amp, freq; fun void run() // sample loop to smoothly update gain { while (true) { s.gain(amp.e.last()); s.freq(freq.e.last()); 1::samp => now; } } spork ~ run(); // run 'run' function as a new shred } // sporking multiple shreds programmatically spork ~ go("data-drywhite.dat", 0); spork ~ go("data-fortified.dat", 1); // function for shredding fun void go(string file, int chan) { DataReader reader; reader.setDataSource(dataDir + file); reader.start(); Player p; p.setChan(chan); while (!reader.isFinished()) { // next data point, scaled in 0.0 - 1.0 range reader.scaledVal() => float w; p.amp.target(0.5 * Math.pow(w, 2.0)); p.freq.target(Std.mtof(80.0 + w*20.0)); update::ms => now; } } // to make the main shred alive 1::day => now;