​

function setup() {

  createCanvas(600, 400);

  song = loadSound('ele_01.mp3');

}

​

function draw() {

  background(220);

  if(mouseIsPressed){

    background(mouseX,mouseY,mouseY + 10);

    song.play();

    drawCircle(random(300,305),random(200,205),mouseX/8);

    drawCircle(random(300,305),random(100,105),mouseX/8);

    drawCircle(random(400,405),random(200,205),mouseX/8);

    drawCircle(random(200,205),random(200,205),mouseX/8);

    drawCircle(random(300,305),random(300,305),mouseX/8);

  } else if (song.isPlaying()) {

    song.stop();

  }

  stroke(0);

  noFill();

  drawCircle(300,200,mouseX/8);

}

​

function drawCircle(x,y,d){

  ellipse(x,y,d);

  if (d > 2){

    drawCircle(x + d * mouseY/8, y, d * 0.5);

    drawCircle(x - d * mouseY/8, y, d * 0.5);

    drawCircle(x , y + d * mouseY/8, d * 0.5);

    drawCircle(x , y - d * mouseY/8, d * 0.5);

  }

}

​