Recursive Loop java

loop.java

	private static Set<Block> findBlocksAround(Block block) {
		Set<Block> blocks = new HashSet<>();
		loopNeighbours(block, blocks);
		return blocks;
	}

	private static void loopNeighbours(Block block, Set<Block> blocks) {
		blocks.add(block);
		for (BlockFace neighbour : BlockFace.values()) {
			Block neighbourBlock = block.getRelative(neighbour);
			if (neighbourBlock == null || neighbourBlock.getType() == Material.AIR) {
				continue;
			}
			if (!blocks.contains(neighbourBlock)) {
				loopNeighbours(neighbourBlock, blocks);
			}
		}
	}