if(state == INTRO_STATE)
gameState = new IntroState(this);
else if(state == MENU_STATE)
gameState = new MenuState(this);
else if(state == LEVEL_INFO_STATE)
gameState = new LevelInfoState(this);
else if(state == PLAYING_STATE)
gameState = new PlayingState(this);
else if(state == LEVEL_SELECT_STATE)
gameState = new LevelSelectState(this);
}