// sets images for enemy or player teras
    public void Setup(TerasCalcs terasSetup)
    {
        teras = terasSetup;

        // set image
        if (isPlayerUnit)
        {
            image.sprite = teras._baseTeras.BackSprite;
        }
        else
        {
            image.sprite = teras._baseTeras.FrontSprite;
        }

        image.color = originalColor;

        hud.setData(terasSetup);

        EnterToBattleAnim();
    }