public void ActiveShield(int howLong)
{
currentShieldTime = howLong; // set current shield time
maxShieldTime = howLong; // set max shield time
playerShield.SetActive(true); // turn on shield
shieldBar.ParentandDisplayBar(transform); // display and parent shield bar to gameobject
StartCoroutine(DecreaseShieldTime()); // decrease shield time
GetComponent <PlayerController>().ActiveShield(true); // active shield in PlayerController script, that he will resistans by damage
}
