yoff = 0;

x = 100;

y = 100;

​

function setup() {

  createCanvas(700, 700);

  background(240);

  noStroke();

}

​

function draw() {

​

  xoff = xoff + 0.01;

  let n = noise(xoff) * 4;

​

  fill(240 - n, 240 / n, 240 / n);

​

  ellipse((width / 2), y, x / n, 100 * n)

​

  y = y + 0.5;

  x = x - 0.5;

​

}