public void checkRight(Node node) {
		this.right = -1; // reset value to -1
		// Prevent out of bounds
		if((node.getY()-1) < this.size.getY()) {
			if(checkWall(new Node( (node.getX()), (node.getY()+1) ))) {
				if(this.closedNodes.size()==0)
					this.right = 1;
				else {
					for(int i = 0; i < this.closedNodes.size(); i++) {
						// Check with closed nodes to differenciate explored or not
						if(new Node(node.getX(), node.getY()+1).compareTo(this.closedNodes.get(i))==1) {
							this.right = 2; // explored node
							break;
						}
						else
							this.right = 1; // empty
					}
				}
			} else {
				this.right = 0; // set 0 to specify as wall
			}
		}
	}