void FinishExercise()
{
PlayerPrefs.SetInt("LastPlanet", planetNum);
PlayerPrefs.SetInt("LastContinent", continentNum);
PlayerPrefs.SetInt("lastExercise", cityNum + 1);
continentScript.CheckLockAllCities();
showHint = true;
taskPanelScript.SetHint(hint);
if (cityNum == (amountOfExercises - 1))
{
PlayerPrefs.SetInt("lastExercise", 0);
PlayerPrefs.SetInt("LastContinent", continentNum + 1);
Debug.Log("DONE WITH WEEK " + continentNum);
}
}