public boolean isDiagonalNeighbor(Tile o) {
boolean isDiagonal = false;
if (getLocation().x - 1 == o.getLocation().x && getLocation().y - 1 == o.getLocation().y) {
isDiagonal = true;
} else if (getLocation().x + 1 == o.getLocation().x
&& getLocation().y - 1 == o.getLocation().y) {
isDiagonal = true;
} else if (getLocation().x + 1 == o.getLocation().x
&& getLocation().y + 1 == o.getLocation().y) {
isDiagonal = true;
} else if (getLocation().x - 1 == o.getLocation().x
&& getLocation().y + 1 == o.getLocation().y) {
isDiagonal = true;
}
return isDiagonal;
}