Song Visualisation (live)

let sound;

let amplitude;

let index = 0;

​

function preload() {

  sound = loadSound("runaway_aurora.mp3"); //sound

}

​

function setup() {

  createCanvas(windowWidth*2, windowHeight);

  background(0); //Bg colour

  amplitude = new p5.Amplitude();

  sound.loop();

}

​

function draw() {

  //if (sound.isPlaying()) {

    let level = amplitude.getLevel();

    let peak = map(level, 2, 1, 0, height*1.5);

    fill (100, 63, 174);

    stroke(0);

    ellipse(index, 0, index, peak); //form

    if (index < width)

      index += 2;

    else

      index = 0;

  //}

}

​

/*

function mousePressed() {

  sound.play();

}

*/