VJ-01

var sound, amp, fft;

var s = 200;

​

function preload() {

  sound = loadSound('MyDilemma.mp3');

}

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  background(100);

  sound.playMode('restart');

  // sound.play();

  amp = new p5.Amplitude();

  amp.setInput(sound);

  fft = new p5.FFT(0.5,256);

  fft.setInput(sound);

  angleMode(DEGREES);

}

​

function draw() {

  background(0,10);

  translate(width/2, height/2);

  //get Amplitude

  var level = amp.getLevel();

  s = level * 200;

  //decrease the circle size till 0

  s = s - 1;

  if (s <= 0) {

    s = 0;

  }

  //get WaveForm

  var waveform = fft.waveform();

  beginShape();

  noFill();

  stroke(255);

  strokeWeight(2);

  for (var i=0; i<waveform.length; i++) {

    var angle = i*360/waveform.length;

    var r = map(waveform[i], -1 , 1, 0, 300);

    var x = r * cos(angle);

    var y = r * sin(angle);

    //draw inner circle points

    vertex(x,y);

    //draw a circle on each inner circle point

    // ellipse(x,y,10,10);

    //draw outer circle points

    var rr = 300;

    var xx = rr * cos(angle);

    var yy = rr * sin(angle);

    //draw a circle on each outer circle points

    // ellipse(xx,yy,10,10);

    //draw lines from outer circle points to inner circle points

    line (xx,yy,x,y);

  }

  endShape();

​

}

​

function mousePressed() {

  if (sound.isPlaying()) {

    sound.pause();

  } else {

    sound.play();

  }

}