Perricone Melody Generator

let velocity;

let intervalInSeconds;

let tonic;

let tonicName;

​

let octave; 

​

let melody = [];

let melodyIndex = 0;

let numberOfMelodies = 0;

let verseLength; 

let increase = false; 

​

let beat = -1;

let scaleIndex;

let note = ' ';

let firstNote = 'p';

let noteColor;

​

 function setup() 

{

  createCanvas(windowWidth, windowHeight);

  colorMode(HSB);

  background(0);

  textAlign(CENTER);

  textSize(20);

  noiseDetail(8);

  intervalInSeconds = random(0.2, 0.4);

  soundLoop = new p5.SoundLoop(onSoundLoop, intervalInSeconds);

​

  synth = new p5.MonoSynth();

  synth.amp(1);

  synth.disconnect();

  reverb = new p5.Reverb();

  reverb.amp(1);

  reverb.process(synth, 1, 0.5);

  reverb.drywet(0.7);

  let chance = round(random(0,6));

  scale = scaleCollection[chance];

  scaleName = scaleNameCollection[chance];

  tonic = round(random(0, 11));

  tonicName = basicScale[tonic];

  octave = 0;

  for (let i = 0; i < 9; i++)

  {

    for (let u = 0; u < 7; u++)

    {

      finalScale.push(scale[u] + tonic + octave);

    }

    octave += 12;

  }

  chance = round(random(4, 5));

  octave = 12*chance;

  createRefrain();

  let i = 0;

  while (firstNote == 'p')

  {

    firstNote = melody[0][i];

    i++;

  }

  createVerse();

  verseLength = 8; 

}

​

function draw()

{

  background(35, 20, 100);

  soundLoop.start();

  pollenPath();

  text(tonicName + ' ' + scaleName, windowWidth - windowWidth/20, windowHeight/20);

  text(note, windowWidth - windowWidth/20, windowHeight/20*2);

}