void ResetRankingButton()
{
//first click
//asks for confirmation
if (!clickedOnce)
{
buttonText.GetComponent <UnityEngine.UI.Text>().text = "Certeza?";
clickedOnce = true;
}
else //second click -> erases ranking
{
buttonText.GetComponent <UnityEngine.UI.Text>().text = "Resetar";
RankingManager.ResetRanking();
rankingTextContainer.GetComponent <rankingText>().ResetRanking();
clickedOnce = false;
}
}