Block target = shooter.getTargetBlock(null, 8);
Location targetLoc = target.getLocation();
Vector vec = new Vector(0, -1, 0);
Location center = target.getLocation();
center.setY(255);
Fireball fireball = shooter.getWorld().spawn(new Location(targetLoc.getX(), 255, targetLoc.getZ()), Fireball.class);
fireball.setDirection(vec);
fireball.setShooter(shooter);
shooter.sendMessage("Fireball shot!");