​

function setup() {

  createCanvas(400, 400);

  for (var i = 0 ; i <1000; i++) {

  myCircles.push (new Circle());//create a baby

    }

}

​

function draw() {

  background(220);

  for (var i =0 ; i < 400; i++) {

  myCircles[i].displayIt();

}

}

​

class Circle { 

  constructor() {

    this.radius=random (30); 

    this.x = random (width);

    this.y = random (300);

    this.angle;

  }  

  displayIt() {

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

    this.x += sin(this.angle);

    this.x += random (-2,2);

    this.angle += .1

    //this.x = this.x + random

    }

}

​