private Random random;
private int changeDirection;

changeDirection = random.nextInt(99)+1;
        if (changeDirection != null && changeDirection > 95) {
            pathfinding.moveRight(entity);
        } else if (changeDirection > 5) {
            pathfinding.moveLeft(entity);
        } else if (changeDirection >= 45 && changeDirection <= 50) {
            pathfinding.moveUp(entity);
        } else if (changeDirection >= 50 && changeDirection <= 55) {
            pathfinding.moveDown(entity);
        }