private boolean check(Node fromNode, int x, int y){ // get open nodes from
        if(nodes[x][y] != null){
            if(nodes[x][y].isChecked() == false){
                openList.add(nodes[x][y]);
                nodes[x][y].setColor(Color.RED);
                nodes[x][y].setParenNode(fromNode);
                nodes[x][y].setGCostFrom(fromNode, fromNode.getG());
                nodes[x][y].setChecked(true);
                if(nodes[x][y] == endNode){
                    pathFound = true;
                    getPathTo(nodes[x][y]);
                    return true;
                }