How can I get all the blocks connected to one block

I have this:

PHP:

    public function onInteract(PlayerInteractEvent $event) {
        $player = $event->getPlayer();
        if($player->isOp()){
            $block = $event->getBlock();
            $level = $player->getLevel();
            $X = $block->getX();
            $Y = $block->getY();
            $Z = $block->getZ();
// I want to get all the blocks connected to this block and then all the block conntected to those blocks and so on. Or if this can't be done how do I get the blocks in an area? heeellppp!
// also must get what block it is..

            foreach($blocks as $b)
            $X = $b->getX();
            $Y = $b->getY();
            $Z = $b->getZ();
            $pos = new Vector3($X-1, $Y, $Z);
            $level->setBlock($pos, $b, false, false);
        }
    }


The code says it all. so how can I do this?
essentially what I'm trying to achieve is to move a floating ship 1 block ahead of itself when I tap any block on the ship.

 

r people annoyed with me posting so much. cuz I never get a response. lol

 

Don't think its possible to connect blocks to each other in that manner, sorta like slime blocks in a sense. I'm guessing instead you would need to move a block ID so make whatever your moving a specific block... such as dirt or something hope this helped in some way!