class Star  {

  //variables

  float x, y, luminosity, diam;
  
  //Constructor
  Star () {

    x=random(0, width);
    y=random(0, height-100);
    luminosity=random (100, 255);
    diam=random(1,8);

  }

  void display() {
    fill(255, 255, 255, luminosity);
    ellipse(x, y, diam, diam);
    
  }
}