// Simple saw
// from http://mohayonao.github.io/timbre.js/PragmaSynth.html

var synth = T("OscGen", {wave:"saw", mul:0.25}).play();

var keydict = T("ndict.key");
var midicps = T("midicps");
T("keyboard").on("keydown", function(e) {
  var midi = keydict.at(e.keyCode);
  if (midi) {
    var freq = midicps.at(midi);
    synth.noteOnWithFreq(freq, 100);
  }
}).on("keyup", function(e) {
  var midi = keydict.at(e.keyCode);
  if (midi) {
    synth.noteOff(midi, 100);
  }
}).start();

// Simple sin
// derived from “Simple saw”

var synth = T("OscGen", {wave:"sin", mul:0.25}).play();

var keydict = T("ndict.key");
var midicps = T("midicps");
T("keyboard").on("keydown", function(e) {
  var midi = keydict.at(e.keyCode);
  if (midi) {
    var freq = midicps.at(midi);
    synth.noteOnWithFreq(freq, 100);
  }
}).on("keyup", function(e) {
  var midi = keydict.at(e.keyCode);
  if (midi) {
    synth.noteOff(midi, 100);
  }
}).start();

// High saw and Low sin
// derived from “Simple saw” and “Simple sin”

var synthsaw = T("OscGen", {wave:"saw", mul:0.25}).play();
var synthsin = T("OscGen", {wave:"sin", mul:0.25}).play();

var keydict = T("ndict.key");
var midicps = T("midicps");
T("keyboard").on("keydown", function(e) {
  var midi = keydict.at(e.keyCode);
  if (midi) {
    var freq = midicps.at(midi);
    synthsaw.noteOnWithFreq(freq, 100);
    synthsin.noteOnWithFreq(freq/2, 100);
  }
}).start();

// Frequency control
// from http://mohayonao.github.io/timbre.js/PragmaSynth.html

var VCO = T("saw", {freq:880, mul:0.2}).play();

var keydict = T("ndict.key");
var midicps = T("midicps");
T("keyboard").on("keydown", function(e) {
  var midi = keydict.at(e.keyCode);
  if (midi) {
    VCO.freq.value = midicps.at(midi);
  }
}).start();

// Vibrato
// from http://mohayonao.github.io/timbre.js/PragmaSynth.html

var LFO = T("sin", {freq:"250ms", mul:5, add:880}).kr();
var VCO = T("saw", {freq:LFO, mul:0.2}).play();

var keydict = T("ndict.key");
var midicps = T("midicps");
T("keyboard").on("keydown", function(e) {
  var midi = keydict.at(e.keyCode);
  if (midi) {
    LFO.add = midicps.at(midi);
  }
}).start();

// Portament
// from http://mohayonao.github.io/timbre.js/PragmaSynth.html

var glide = T("param", {value:880});
var VCO   = T("saw"  , {freq:glide, mul:0.2}).play();

var keydict = T("ndict.key");
var midicps = T("midicps");
T("keyboard").on("keydown", function(e) {
  var midi = keydict.at(e.keyCode);
  if (midi) {
    glide.linTo(midicps.at(midi), "100ms");
  }
}).start();

// VCF
// from http://mohayonao.github.io/timbre.js/PragmaSynth.html

var VCO = T("saw", {mul:0.2});
var VCF = T("lpf", {cutoff:1600, Q:10}, VCO).play();

var keydict = T("ndict.key");
var midicps = T("midicps");
T("keyboard").on("keydown", function(e) {
  var midi = keydict.at(e.keyCode);
  if (midi) {
    VCO.freq.value = midicps.at(midi);
  }
}).start();

// Envelope filtering
// from http://mohayonao.github.io/timbre.js/PragmaSynth.html

var table = [200, [4800, 150], [2400, 500]];
var cutoff = T("env", {table:table}).bang();

var VCO = T("saw", {mul:0.2});
var VCF = T("lpf", {cutoff:cutoff, Q:10}, VCO).play();

var keydict = T("ndict.key");
var midicps = T("midicps");
T("keyboard").on("keydown", function(e) {
  var midi = keydict.at(e.keyCode);
  if (midi) {
    VCO.freq.value = midicps.at(midi);
    cutoff.bang();
  }
}).start();

// Auto wah
// from http://mohayonao.github.io/timbre.js/PragmaSynth.html

var cutoff = T("sin", {freq:"400ms", mul:300, add:1760}).kr();

var VCO = T("saw", {mul:0.2});
var VCF = T("lpf", {cutoff:cutoff, Q:20}, VCO).play();

var keydict = T("ndict.key");
var midicps = T("midicps");
T("keyboard").on("keydown", function(e) {
  var midi = keydict.at(e.keyCode);
  if (midi) {
    var freq = midicps.at(midi);
    VCO.freq.value   = freq;
    cutoff.add.value = freq * 2;
    cutoff.bang();
  }
}).start();

// Amplitude envelope
// from http://mohayonao.github.io/timbre.js/PragmaSynth.html

var VCO = T("saw" , {mul:0.2});
var EG  = T("adsr", {a:100, d:1500, s:0.75, r:500}, VCO).play();

var keydict = T("ndict.key");
var midicps = T("midicps");
T("keyboard").on("keydown", function(e) {
  var midi = keydict.at(e.keyCode);
  if (midi) {
    VCO.freq.value = midicps.at(midi);
    EG.bang();
  }
}).on("keyup", function(e) {
  var midi = keydict.at(e.keyCode);
  if (midi) {
    EG.release();
  }
}).start();

// Tremolo
// from http://mohayonao.github.io/timbre.js/PragmaSynth.html

var VCO = T("saw" , {mul:0.5});
var EG  = T("+tri", {freq:"50ms", mul:0.2, add:0.5});
var synth = T("*", VCO, EG).play();

var keydict = T("ndict.key");
var midicps = T("midicps");
T("keyboard").on("keydown", function(e) {
  var midi = keydict.at(e.keyCode);
  if (midi) {
    VCO.freq.value = midicps.at(midi);
  }
}).start();

// Polyphonic
// from http://mohayonao.github.io/timbre.js/PragmaSynth.html

var synth = T("SynthDef").play();

synth.def = function(opts) {
  var VCO = T("saw", {freq:opts.freq});

  var cutoff = T("env", {table:[8000, [opts.freq, 500]]}).bang();
  var VCF    = T("lpf", {cutoff:cutoff, Q:5}, VCO);

  var EG  = T("adsr", {a:150, d:500, s:0.45, r:1500, lv:0.6});
  var VCA = EG.append(VCF).bang();

  return VCA;
};

var keydict = T("ndict.key");
T("keyboard").on("keydown", function(e) {
  var midi = keydict.at(e.keyCode);
  if (midi) {
    synth.noteOn(midi);
  }
}).on("keyup", function(e) {
  var midi = keydict.at(e.keyCode);
  if (midi) {
    synth.noteOff(midi);
  }
}).start();

// 
// from http://mohayonao.github.io/timbre.js/PragmaSynth.html