public void levelUP(PlayerEnergy playerEnergy, PlayerAttack playerAttack) { // level up
		/*
		 * if the score >= the score required to level up(lvlScore), the player will level up.
		 * the lvlScore will be multiplied by 3
		 */

		level++;
		scoreLevel *= 3;

		switch (level) {
		case 1:
			playerEnergy.setMaxEnergy (110);
			playerAttack.setAtk (2);
			break;
		case 2:
			playerEnergy.setMaxEnergy (120);
			playerAttack.setAtk (3);
			break;
		case 3:
			playerEnergy.setMaxEnergy (130);
			playerAttack.setAtk (4);
			break;
		case 4:
			playerEnergy.setMaxEnergy (140);
			playerAttack.setAtk (5);
			break;
		case 5:
			playerEnergy.setMaxEnergy (150);
			playerAttack.setAtk (6);
			break;
		}
	}
    public void levelUP(PlayerEnergy playerEnergy, PlayerAttack playerAttack)       // level up

    /*
     * if the score >= the score required to level up(lvlScore), the player will level up.
     * the lvlScore will be multiplied by 3
     */

    {
        level++;
        scoreLevel *= 3;

        switch (level)
        {
        case 1:
            playerEnergy.setMaxEnergy(110);
            playerAttack.setAtk(2);
            break;

        case 2:
            playerEnergy.setMaxEnergy(120);
            playerAttack.setAtk(3);
            break;

        case 3:
            playerEnergy.setMaxEnergy(130);
            playerAttack.setAtk(4);
            break;

        case 4:
            playerEnergy.setMaxEnergy(140);
            playerAttack.setAtk(5);
            break;

        case 5:
            playerEnergy.setMaxEnergy(150);
            playerAttack.setAtk(6);
            break;
        }
    }