let osc1, osc2, osc3, osc4, osc5, osc6;

​

// Six amplitude envelopes

let ampEnv1, ampEnv2, ampEnv3, ampEnv4, ampEnv5, ampEnv6;

​

//six phase variables

let phase1, phase2, phase3, phase4, phase5, phase6; //in degrees (0 to 360)

​

ampEnv1 = new Tone.AmplitudeEnvelope({

  "attack": 0.1,

  "decay": 0.6,

  "sustain": 1.0,

  "release": 0.8

}).toMaster();

osc1 = new Tone.Oscillator(440, "sine")

osc1.connect(ampEnv1);

osc1.start();

osc1.volume = 1;

​

ampEnv2 = new Tone.AmplitudeEnvelope({

  "attack": 0.5,

  "decay": 0.25,

  "sustain": 1.0,

  "release": 0.3

}).toMaster();

osc2 = new Tone.Oscillator(440 * 3, "sine");

osc2.connect(ampEnv2);

osc2.start();

osc2.volume = 1;

​

ampEnv3 = new Tone.AmplitudeEnvelope({

  "attack": 0.25,

  "decay": 0.4,

  "sustain": 1.0,

  "release": 0.1

}).toMaster();

osc3 = new Tone.Oscillator(440 * 4, "sine");

osc3.connect(ampEnv3);

osc3.start();

osc3.volume = 1;

​

ampEnv4 = new Tone.AmplitudeEnvelope({

  "attack": 0.1,

  "decay": 0.3,

  "sustain": 1.0,

  "release": 0.3

}).toMaster();

osc4 = new Tone.Oscillator(440 * 5, "sine");

osc4.connect(ampEnv4);

osc4.start();

osc4.volume = 0.8;

​

ampEnv5 = new Tone.AmplitudeEnvelope({

  "attack": 0.6,

  "decay": 0.2,

  "sustain": 0.4,

  "release": 0.3

}).toMaster();

osc5 = new Tone.Oscillator(440 * 7, "sine");

osc5.connect(ampEnv5);

osc5.start();

osc5.volume = 1;

​

ampEnv6 = new Tone.AmplitudeEnvelope({

  "attack": 0.1,

  "decay": 0.8,

  "sustain": 1.0,

  "release": 0.2

}).toMaster();

​

osc6 = new Tone.Oscillator(440*8, "sine");

ampEnv1 = new Tone.AmplitudeEnvelope({

    "attack": 0.1,

    "decay": 0.6,

    "sustain": 0.8,

    "release": 0.4

}).toMaster();

​

function setup() {}

​

function keyPressed() {

  ampEnv1.triggerAttack();

  ampEnv2.triggerAttack();

  ampEnv3.triggerAttack();

  ampEnv4.triggerAttack();

  ampEnv5.triggerAttack();

  ampEnv6.triggerAttack();

}

​

function keyReleased() {

  ampEnv1.triggerRelease();

  ampEnv2.triggerRelease();

  ampEnv3.triggerRelease();

  ampEnv4.triggerRelease();

  ampEnv5.triggerRelease();

  ampEnv6.triggerRelease();

}

​