class Change {
  float x;
  float y;
  float x2;
  float y2;

  Change() {

  }

  // display something
  void display() {
     stroke(x,y,x2,10);
    fill(x,y,x2,20);
    ellipse(width/2,height/2,x/2 ,y-250);
  }

   void setLocation(float _x, float _y, float _x2, float _y2) {
    x=_x;
    y=_y;
    x2=_x2;
    y2=_y2;

  }
  

}