​

function setup() {

  createGraphics(400,400,400);

    for (let i = 0; i < 50; i++) {

    myarray.push(new Jitter());

  }

}

​

function draw() {

  background(220);

    for (let i = 0; i < myarray.length; i++) {

    myarray[i].move();

    myarray[i].display();

  }

}

​

// Jitter class

class Jitter {

  constructor() {

    this.x = random(width);

    this.y = random(height);

    this.diameter = random(10, 30);

    this.speed = 1;

  }

​

  move() {

    this.x += random(-this.speed, this.speed);

    this.y += random(-this.speed, this.speed);

  }

​

  display() {

    ellipse(this.x, this.y, this.diameter, this.diameter);

  }

}