//Update any objects with input here
void Update()
{
controller.UpdateController();
if (Input.GetKeyDown(KeyCode.L))
{
waypointGraph.ShortestPath(waypointA, waypointB);
}
}
IEnumerator ReturnToPatrol()
{
state = EnemyState.RETURNING;
RaycastHit2D[] hitArray;
string[] layers = { "Enemy", "LightWalls" };
LayerMask mask = LayerMask.GetMask(layers);
Transform closestWaypoint = null;
for (int i = 0; i < waypointGraph.waypoints.childCount; i++)
{
Transform current = waypointGraph.waypoints.GetChild(i);
Vector2 rayDir = this.transform.position - current.position;
hitArray = Physics2D.RaycastAll(current.position, rayDir, 1000, mask);
for (int j = 0; j < hitArray.Length && hitArray[j].transform.tag != "Wall"; j++)
{
if (hitArray[j].transform == this.transform)
{
if (closestWaypoint == null)
{
closestWaypoint = current;
}
else
{
float currentDistance = (current.position - this.transform.position).magnitude;
float closestDistance = (closestWaypoint.position - this.transform.position).magnitude;
if (currentDistance < closestDistance)
{
closestWaypoint = current;
}
}
}
}
}
while ((Vector2)this.transform.position != (Vector2)closestWaypoint.position && state == EnemyState.RETURNING)
{
WalkTowards(closestWaypoint.position);
yield return(null);
}
Transform targetNode = patrolPath[0];
LinkedList <Transform> shortestPath = waypointGraph.ShortestPath(closestWaypoint, targetNode);
while (shortestPath.Count > 0 && state == EnemyState.RETURNING)
{
Vector2 toPosition = shortestPath.First.Value.position;
while ((Vector2)this.transform.position != toPosition && state == EnemyState.RETURNING)
{
WalkTowards(toPosition);
yield return(null);
}
shortestPath.RemoveFirst();
if (shortestPath.Count > 0)
{
toPosition = shortestPath.First.Value.position;
}
}
if ((Vector2)this.transform.position == (Vector2)targetNode.position)
{
StartCoroutine("Patrol");
}
}