private Move searchNextCloud(Unicorn me, IBoard board) {
BFS bfs = new BFS();
Node end = bfs.search(new OnlyPositionNode(board, me.pos), new NextToCloud(board));
List<Node> path = PathUtils.getPath(end);
if (path.size() <= 1) return Move.STAY;
V nextPos = (V) path.get(1).getState();
V direction = V.sub(nextPos, me.pos);
return Board.getDirectionToMoveMapping().get(direction);
}
@Override
public boolean test(Node currentNode) {
V currentUnicornPos = (V) currentNode.getState();
for (V d : Board.getDirections()) {
for (GameObject obj : board.at(V.add(currentUnicornPos, d))) {
if (obj instanceof Cloud) {
return true;
}
}
}
return false;
}