override public void destroy()
{
base.destroy();
btnNextScreen.destroy();
btnNextScreen = null;
optionsBttn.destroy();
optionsBttn = null;
mBoard.destroy();
mBoard = null;
monster.destroy();
monster = null;
building.destroy();
building = null;
screenDim.destroy();
screenDim = null;
timeLeft.destroy();
timeLeft = null;
skills.destroy();
skills = null;
backMenuBttn.destroy();
backMenuBttn = null;
tryAgainBttn.destroy();
tryAgainBttn = null;
scoreText.destroy();
scoreText = null;
}
