private void TraverseNextEdge()
{
if (PathToFollow == null)
{
return;
}
////TODO: probably should add NextEdge method to Path class
PathEdge edgeToFollow = PathToFollow.Dequeue();
if (edgeToFollow == null)
{
return;
}
if (PathToFollow.IsEmpty) // last edge
{
edgeTraverser.Traverse(
edgeToFollow,
BrakeOnFinalApproach,
StopOnFinalArrival);
}
else
{
edgeTraverser.Traverse(
edgeToFollow,
BrakeOnEachApproach,
StopOnEachArrival);
}
}
private void StopIfFollowingPath()
{
if (PathToFollow != null)
{
PathToFollow.ShowPath(false);
if (IsFollowing)
{
IsFollowing = false;
// TODO: Perhaps this should be a FollowCancelled event
EventManager.Instance.Enqueue <FollowCompletedEventPayload>(
Events.FollowCompleted,
new FollowCompletedEventPayload(gameObject, PathToFollow));
}
}
}
/// <summary>
/// Checks if the controlled unit has reached the end of the path it is following
/// Strategy: increase distance tolerance if there are many units in the area
/// & check if the path "param" hasn't changed much in the past few seconds
/// </summary>
/// <returns></returns>
public bool HasArrived()
{
return(Vector2.Distance(PathToFollow.GetPoint(PathToFollow.PointCount() - 1), ControlledUnit.Position) < 1.0f);
}
