public boolean isOutsideOfBorder(Player p) {
        Location loc = p.getLocation();
        WorldBorder border = p.getWorld().getWorldBorder();
        double size = border.getSize()/2;
        Location center = border.getCenter();
        double x = loc.getX() - center.getX(), z = loc.getZ() - center.getZ();
        return ((x > size || (-x) > size) || (z > size || (-z) > size));
    }