void OnClick()
{
//increase the powerup level
if (currentPowerupLevel < powerupUpgradeLevelMAX && //check if the max level has not been achieved
hInGameScriptCS.getCurrencyCount() >= upgradeCost) //check if user has enough currency
{
currentPowerupLevel++; //increase the power-up level
hInGameScriptCS.alterCurrencyCount(-upgradeCost); //deduct the cost of power-up upgrade
hNGUIMenuScript.updateCurrencyOnHeader(hNGUIMenuScript.getCurrentMenu()); //update the currency on the header bar
//tell the power-up script to increase the duration of the power-up
hPowerupsMainControllerCS.upgradePowerup(powerup);
//Update the text on the power-up item in shop
uilLevelText.text = "Level " + currentPowerupLevel;
}
} //end of On Click
} //end of listener clicks function
/*
* FUNCTION: Perform function according to the clicked button.
* CALLED BY: listenerClicks()
*/
private void handlerPowerupItem(Transform buttonTransform)
{
if (buttonTransform == tBuyButton)
{
//increase the powerup level
if (currentPowerupLevel < powerupUpgradeLevelMAX && //check if the max level has not been achieved
hInGameScriptCS.getCurrencyCount() >= upgradeCost) //check if user has enough currency
{
currentPowerupLevel++; //increase the power-up level
hInGameScriptCS.alterCurrencyCount(-upgradeCost); //deduct the cost of power-up upgrade
hShopScriptCS.updateCurrencyOnHeader(); //update the currency on the header bar
//tell the power-up script to increase the duration of the power-up
hPowerupsMainControllerCS.upgradePowerup(powerup);
//Update the text on the power-up item in shop
(this.transform.Find("Text_ItemLevel").GetComponent("TextMesh") as TextMesh).text = "Level " + currentPowerupLevel;
}
} //end of if
}