void Start()
{
pathFinding2 = GetComponent <PathFinding2>();
nodeDiameter = nodeRadius * 2;
Unit2GridSizeX = Mathf.RoundToInt(realGridSize.x / nodeDiameter);
Unit2GridSizeY = Mathf.RoundToInt(realGridSize.y / nodeDiameter);
CreateGrid();
}
void Start()
{
pathFinding = obj.GetComponent <PathFinding2>();
}