void Update()
{
MainGameState gameState = GameStateManager.Instance.State;
if (!gameState.IsGamePaused() && Input.GetButtonDown(gameSettings.buyPowerUp))
{
if (CanAffordCharge(gameSettings.powerUpCost))
{
ChargePlayer(gameSettings.powerUpCost);
EventManager.Instance.NotifyListeners(new BuyPowerUpEvent());
}
}
}
