var noiseLocation = 0;

​

function setup() {

  createCanvas(500,500);

  // request a detailed noise environment

  noiseDetail(24);

}

​

function draw() {

  background(0);

  // get a size for our "noise" ellipse

  var noiseValue = noise( noiseLocation );

  var noiseBallSize = map(noiseValue, 0, 1, 50, 150);

  // draw our "noise" ellipse

  fill(255);

  ellipse(150, 250, noiseBallSize, noiseBallSize);

  // increase noise offset

  noiseLocation += 0.005;

  // draw our "random" ellipse

  var randomSize = random(50, 150);

  ellipse(350, 250, randomSize, randomSize);

}