private boolean positionSign(Entity sign){
  for (int y=125; y <= 127; y++) {
    for (int x=80; x > 51; x--) {
      if (!zone.collides(sign,x,y)) {
        sign.setPosition(x,y);
        zone.add(sign);
        return true;
      }
    }
  }
  return false;
}

private boolean positionSign ( Entity sign ) { for ( int y = 125 ; y <= 127 ; y ++ ) { for ( int x = 80 ; x > 51 ; x -- ) { if ( ! zone . collides ( sign , x , y ) ) { sign . setPosition ( x , y ) ; zone . add ( sign ) ; return true ; } } } return false ; }
position the sign at an empty spot
