public Target(int x, int y) {
    level0 = new Ellipse(x, y);
    this.add(level0);
    level0.setSize(size0, size0);
    level0.setColor(Color.BLACK);

    level1 = new Ellipse(x + dx1, y + dy1);
    this.add(level1);
    level1.setSize(size1, size1);
    level1.setColor(Color.RED);

    level2 = new Ellipse(x + dx2, y + dy2);
    this.add(level2);
    level2.setSize(size2, size2);
    level2.setColor(Color.GREEN);

    this.setLocation(x, y);

    box1 = new TextBox(300, 50);
    box1.setText("Loc:" + x + "," + y);
  }