public void fillNeighbours(List<Node> nodemap) {
		
		for(Node n : nodemap) {
			if(n.x > this.x + 1)
				continue;
			if(n.x < this.x - 1)
				continue;
			if(n.y > this.y + 1)
				continue;
			if(n.y < this.y - 1)
				continue;
			if(n.y == this.y && n.x == this.x)
				continue;
			
			neighbours.add(n);
		}
	}