private void createKeybindings() {
		
		//F11 - Fullscreen
		this.getInputMap().put(KeyStroke.getKeyStroke("released F11"), "goFullscreen");
		this.getActionMap().put("goFullscreen", new GoFullscreen(this));
		
		//Right arrow - Move right
		this.getInputMap().put(KeyStroke.getKeyStroke("pressed RIGHT") , "startRight");
		this.getInputMap().put(KeyStroke.getKeyStroke("released RIGHT"), "stopRight" );
		this.getActionMap().put("startRight", new MoveRight(true ));
		this.getActionMap().put("stopRight" , new MoveRight(false));
		
		//Left arrow pressed - Move left
		this.getInputMap().put(KeyStroke.getKeyStroke("pressed LEFT") , "startLeft");
		this.getInputMap().put(KeyStroke.getKeyStroke("released LEFT"), "stopLeft" );
		this.getActionMap().put("startLeft", new MoveLeft(true ));
		this.getActionMap().put("stopLeft" , new MoveLeft(false));
		
		//Space bar pressed - Shoot
		this.getInputMap().put(KeyStroke.getKeyStroke("pressed SPACE") , "startShoot");
		this.getInputMap().put(KeyStroke.getKeyStroke("released SPACE"), "stopShoot" );
		this.getActionMap().put("startShoot", new ShootMissile(true ));
		this.getActionMap().put("stopShoot" , new ShootMissile(false));
		
	}