IEnumerator FindNewPath()
{
findingNewPath = true;
List <GameObject> sidePath = new List <GameObject>();
GameObject CurrentGrid;
RaycastHit hit;
if (Physics.Raycast(transform.position, Vector3.down, out hit, 2))
{
if (hit.collider.gameObject.tag == "GridSquare")
{
CurrentGrid = hit.collider.gameObject;
Pathfinder.PopulateValidNodeList();
Pathfinder.openList.Clear();
Pathfinder.closedList.Clear();
Pathfinder.proposedPath.Clear();
Pathfinder.CalculateParent(CurrentGrid);
GameObject nextNode = Pathfinder.CalculateNextNode();
for (int i = 0; i < Pathfinder.validNodeList.Count; i++)
{
if (!Pathfinder.openList.Contains(Pathfinder.end))
{
Pathfinder.CalculateParent(nextNode);
nextNode = Pathfinder.CalculateNextNode();
}
else
{
i = Pathfinder.validNodeList.Count + 1;
}
}
GameObject backtrack = Pathfinder.end;
Pathfinder.proposedPath.Add(backtrack);
List <GameObject> traversed = new List <GameObject>();
while (backtrack.GetComponent <GridSquare>().parent != null)
{
if (!traversed.Contains(backtrack.GetComponent <GridSquare>().parent))
{
backtrack = backtrack.GetComponent <GridSquare>().parent;
Pathfinder.proposedPath.Add(backtrack);
}
else
{
break;
}
traversed.Add(backtrack);
}
yield return(new WaitForSeconds(1));
for (int i = Pathfinder.proposedPath.Count - 1; i >= 0; i--)
{
sidePath.Add(Pathfinder.proposedPath[i]);
}
enemyPath = sidePath;
pathIndex = 0;
}
else
{
transform.position = enemyPath[pathIndex].transform.position;
}
}
findingNewPath = false;
yield return(null);
}
