PathfindingManager.RequestPath C# (CSharp) Method

    public List<PathNode> RequestPath(PathfindingRequest req, ref bool result)
    {
        List<PathNode> pathResult = null;

        //float time1 = 0;
        //float time2 = 0;

        //DateTime dt1 = DateTime.Now;
        //DateTime dt2 = DateTime.Now;
        System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();

        if (FindRequest(req) != null && FpsCounter.pathfindingsCounter <= maxPathFindingPerSecond)
        {
            FpsCounter.pathfindingsCounter++;

            requests.Remove(req);

            result = true;

            sw.Start();
            pathResult = GetPath(req.Start, req.End);
            sw.Stop();
        }
        else if (requests.Count == 0 && FpsCounter.pathfindingsCounter <= maxPathFindingPerSecond)
        {
            FpsCounter.pathfindingsCounter++;

            result = true;

            sw.Start();
            pathResult = GetPath(req.Start, req.End);
            sw.Stop();
        }
        else
        {
            result = false;

            requests.Add(req);

            pathResult = null;
        }

        if (result)
        {
            //Debug.Log ("Pathfinding time: " + (sw.ElapsedMilliseconds) + " ms");
            FpsCounter.pathfindingTime = sw.ElapsedMilliseconds;
        }

        return pathResult;
    }

    private IEnumerator MoveToInteraction(Interactable interactable, string interaction)
    {
        Collider2D c = GetComponent <Collider2D>();

        Debug.LogWarning("Moving to interaction " + interactable.ToString());
        while (interactable)
        {
            if (!c.IsTouching(interactable.GetComponent <Collider2D>()))
            {
                PathfindingManager.RequestPath(new PathRequest(transform.position, interactable.transform.position, uc.OnPathFound));
                yield return(new WaitForSeconds(.2f)); //might be able to extend this here? no need to be as precise?
            }
            else
            {
                uc.StopMoving();
                break;
            }
        }

        //if the interactable is still there when we get there
        if (interactable != null)
        {
            interactable.Interaction(interaction);
        }

        yield break;
    }