public void ResetAffectedTiles()
{
List <NodeComponent> affectedTiles = new List <NodeComponent>();
affectedTiles.AddRange(Open.Values);
affectedTiles.AddRange(Closed);
affectedTiles.Add(Start);
affectedTiles.Add(End);
for (int i = 0; i < affectedTiles.Count; i++)
{
NodeComponent affected = affectedTiles[i];
affected.ResetNode();
affected.GetComponent <SpriteRenderer>().color = Color.white;
}
}