var synth;

var note1 = "";

var note2 = "";

var note3 = "";

var note5 = "";

var buttonCstate = true;

var buttonDstate = false;

var buttonEstate = false;

var buttonFstate = false;

var buttonGstate = false;

var buttonAstate = false;

var buttonBstate = false;

​

Tone.Transport.bpm.value = 100;

​

synthScale = ["C2","C3","C4"];

​

// synthScale = ["C2", "E2", "G2", "A2",

//   "C3", "D3", "E3", "G3", "A3", "B3",

//   "C4", "D4", "E4", "G4", "A4", "B4","","",""

// ];

​

synth = new Tone.PolySynth({

  // "volume": -10,

  "envelope": {

    "attack": 0.5,

    "decay": 0,

    "sustain": 0.3,

    "release": 0,

    }

}).toMaster();

​

synth.set({"oscillator": {

          "type": "sine"

                    }

});

​

// var timey1 = ["16n", "8n", "4n", "4n"][floor(random(4))];

var melody = new Tone.Pattern(function(time, note){

  note1 = note;

  synth.triggerAttackRelease(note, ["16n", "", "4n", "4n"][floor(random(4))], time, 0.7);

}, synthScale, "random");

melody.loop = true;

melody.interval = "4t";

​

// var timey2 = ["4t","8n"][floor(random(2))];

var arpeggio = new Tone.Pattern(function(time, note){

  note2 = note;

  synth.triggerAttackRelease(note, ["4t","8n"][floor(random(2))], time, 0.3);

}, synthScale, "upDown");

arpeggio.loop = true;

arpeggio.interval = "8t";

​

var chord = new Tone.Pattern(function(time, note){

  note3 = note;

  var fifth = Tone.Frequency(note).transpose(7);

  note5 = fifth.toNote();

  var chordDuration = ["32n", "32n", "4n"][floor(random(3))];

  synth.triggerAttackRelease(note, chordDuration, time, 0.4);//0.2

  synth.triggerAttackRelease(fifth, chordDuration, time, 0.4);//0.2

}, synthScale, "randomOnce");

chord.loop = true;

chord.interval = "4n";

​

function setup(){

  createCanvas(400,400);

  Tone.Transport.start();

  melody.start(0);

  arpeggio.start(0);

  chord.start(0);

  textSize(30);

  buttonC = createButton("C");

  buttonC.position(40, 20);

  buttonC.mousePressed(addCtoArray);

​

  buttonD = createButton("D");

  buttonD.position(90, 20);

  buttonD.mousePressed(addDtoArray);

​

  buttonE = createButton("E");

  buttonE.position(140, 20);

  buttonE.mousePressed(addEtoArray);

​

  buttonF = createButton("F");

  buttonF.position(190, 20);

  buttonF.mousePressed(addFtoArray);

​

  buttonG = createButton("G");

  buttonG.position(240, 20);

  buttonG.mousePressed(addGtoArray);

​

  buttonA = createButton("A");

  buttonA.position(290, 20);

  buttonA.mousePressed(addAtoArray);

​

  buttonB = createButton("B");

  buttonB.position(340, 20);

  buttonB.mousePressed(addBtoArray);

}

​

function draw(){

  background(150);

  text(note1,100,100);

  text(note2,100,200);

  text(note3,100,300);

  text(note5,200,300);

  for(var s=0;s<synthScale.length;s+=3){

    push();

    textSize(10);

    text(synthScale[s],s*50/3+40, 375);

    pop();

  }

  console.log(synthScale);

​

  // console.log(bpmValue.value());

  // synth.envelope.attack = map(mouseX, 0, height, 0,1);

  // synth.set.filter.Q = map(mouseY, 0, width, 0, 10);

}

​

function addCtoArray(){

  if(buttonCstate==false){

    synthScale.push("C2");

    synthScale.push("C3");

    synthScale.push("C4");

    buttonCstate = true;

  } else if(buttonCstate==true && synthScale.length>6){

    let i = synthScale.indexOf("C2");

    let j = synthScale.indexOf("C3");

    let k = synthScale.indexOf("C4");

    synthScale.splice(k,1);

    synthScale.splice(j,1);

    synthScale.splice(i,1);

    buttonCstate = false;

  }

}

​

function addDtoArray(){

    if(buttonDstate==false){

    synthScale.push("D2");

    synthScale.push("D3");

    synthScale.push("D4");

    buttonDstate = true;

  } else if(buttonDstate==true && synthScale.length>6){

    let i = synthScale.indexOf("D2");

    let j = synthScale.indexOf("D3");

    let k = synthScale.indexOf("D4");

    synthScale.splice(k,1);

    synthScale.splice(j,1);

    synthScale.splice(i,1);

    buttonDstate = false;

  }

}

​

function addEtoArray(){

    if(buttonEstate==false){

    synthScale.push("E2");

    synthScale.push("E3");

    synthScale.push("E4");

    buttonEstate = true;

  } else if(buttonEstate==true && synthScale.length>6){

    let i = synthScale.indexOf("E2");

    let j = synthScale.indexOf("E3");

    let k = synthScale.indexOf("E4");

    synthScale.splice(k,1);

    synthScale.splice(j,1);

    synthScale.splice(i,1);

    buttonEstate = false;

  }

}

​

function addFtoArray(){

    if(buttonFstate==false){

    synthScale.push("F2");

    synthScale.push("F3");

    synthScale.push("F4");

    buttonFstate = true;

  } else if(buttonFstate==true && synthScale.length>6){

    let i = synthScale.indexOf("F2");

    let j = synthScale.indexOf("F3");

    let k = synthScale.indexOf("F4");

    synthScale.splice(k,1);

    synthScale.splice(j,1);

    synthScale.splice(i,1);

    buttonFstate = false;

  }

}

​

function addGtoArray(){

    if(buttonGstate==false){

    synthScale.push("G2");

    synthScale.push("G3");

    synthScale.push("G4");

    buttonGstate = true;

  } else if(buttonGstate==true && synthScale.length>6){

    let i = synthScale.indexOf("G2");

    let j = synthScale.indexOf("G3");

    let k = synthScale.indexOf("G4");

    synthScale.splice(k,1);

    synthScale.splice(j,1);

    synthScale.splice(i,1);

    buttonGstate = false;

  }

}

​

function addAtoArray(){

    if(buttonAstate==false){

    synthScale.push("A2");

    synthScale.push("A3");

    synthScale.push("A4");

    buttonAstate = true;

  } else if(buttonAstate==true && synthScale.length>6){

    let i = synthScale.indexOf("A2");

    let j = synthScale.indexOf("A3");

    let k = synthScale.indexOf("A4");

    synthScale.splice(k,1);

    synthScale.splice(j,1);

    synthScale.splice(i,1);

    buttonAstate = false;

  }

}

​

function addBtoArray(){

    if(buttonBstate==false){

    synthScale.push("B2");

    synthScale.push("B3");

    synthScale.push("B4");

    buttonBstate = true;

  } else if(buttonBstate==true && synthScale.length>6){

    let i = synthScale.indexOf("B2");

    let j = synthScale.indexOf("B3");

    let k = synthScale.indexOf("B4");

    synthScale.splice(k,1);

    synthScale.splice(j,1);

    synthScale.splice(i,1);

    buttonBstate = false;

  }

}

​