private void CalcTotalF(PathNode thisNode, Vector2 PreVector2, Vector2 goalPos)
{
if (thisNode.ParentNode != null)
{
thisNode.StartG = getNodeByPostion(PreVector2).StartG +
PathNode.CalcEndH(thisNode.Position, PreVector2);
}
thisNode.EndH = PathNode.CalcEndH(thisNode.Position, goalPos);
}