void SelectUnit()
{
if (currentUnit > playedUnits.Length)
{
currentUnit = 0;
}
else if (currentUnit < 0)
{
currentUnit = playedUnits.Length - 1;
}
playedUnits[currentUnit].GetComponent <SCR_Unit>().isSelected = true;
currentX = gridManager.NodeFromWorldPoint(playedUnits[currentUnit].transform.position).gridX;
currentY = gridManager.NodeFromWorldPoint(playedUnits[currentUnit].transform.position).gridY;
MovePointer();
gridManager.CreateGrid();
playedUnits[currentUnit].GetComponent <SCR_Unit>().CheckMovement();
}
