public void mouseClicked(int button, int x, int y, int clickCount){
		if(this.playButton.contains(x, y)){
			PlayerData.resetPlayer();
			PlayerData.setLevel(this.currentLevel + 1);
			this.sbg.enterState(TowerDefense.GAMEPLAYSTATE);
		}
		else if (this.prevButton.contains(x, y)){
			if (this.currentLevel == 0)
				this.currentLevel = this.levels.length - 1;
			else
				this.currentLevel--;
		}
		else if (this.nextButton.contains(x, y)){
			this.currentLevel = (this.currentLevel+1)%this.levels.length;
		}
	}