public static Direction getDirection(Cell source, Cell neighbor) {
if (source.getX() < neighbor.getX()) {
return Direction.EAST;
} else if (source.getX() > neighbor.getX()) {
return Direction.WEST;
} else if (source.getY() < neighbor.getY()) {
return Direction.SOUTH;
} else {
return Direction.NORTH;
}
}
public static boolean isNeighbors(Cell c1, Cell c2) {
return (Math.abs(c1.getX() - c2.getX()) + Math.abs(c1.getY() - c2.getY())) == 1;
}