void PlaceTower()
    {
        // get x and y from FindClosest script
        float x = close.x + 1;
        float y = close.y;

        towerIndex = towerArray.towerIndex;

        GameObject newTower = Instantiate(towerArray.BuildTowers[towerIndex]);

        // place new tower
        newTower.transform.position = new Vector2(x, y);
        //Debug.Log("x = " + x);

        pT.TowerCost();
    }
    void PlaceTower()
    {
        // get x and y from FindClosest script
        float x = close.x + 1;
        float y = close.y;

        towerIndex = towerArray.towerIndex;

        GameObject newTower = Instantiate(towerArray.BuildTowers[towerIndex]);

        // place new tower
        newTower.transform.position = new Vector2(x, y);

        PlaySoundEffect(sound_wall);
        // pay the cost
        pT.TowerCost();
    }