function setup() {

​

  class Circle {

    constructor()  {

      this.pos = createVector(random(width),random(height));

      this.vel = createVector(random(4), random(4));

      this.r = 20 + random(50)

    }

    show() {

      circle(this.pos.x, this.pos.y, this.r);

​

    }

  } // circle

​

  createCanvas(400, 400);

  circ = new Circle();

  circ2 = new Circle();

​

}

​

function draw() {

  background(40);

  circ.show()

  circ2.show()

}

​