public boolean isThisYou(Point p) {
    int x = (int) _point.getX();
    int y = (int) _point.getY();
    int px = (int) p.getX();
    int py = (int) p.getY();
    int radius = SIZE/2;
    return px > x - radius && px < x + radius && 
      py > y - radius && py < y + radius;
  }