public AStarNode createStartNode(Object state) {
Position p = (Position) state;
AStarNode n = new AStarNode(p);
n.setDistTravelled(0);
n.setApproxTotalDist(p.distance((Position) getEndingState()));
List<Position> path = new ArrayList<Position>();
path.add(p);
n.setPath(path);
// System.out.print("createStartNode"); n.printNode();
return n;
}
