public void update()
	{
		
		if(focus != null && focus.alive())
		{
				x = focus.getX() - windowWidth/2;
				y = focus.getY() - windowHeight/2;
				mapExcess();
		}
		else if(playerDeath || focus == null)
		{
			if(gameContainer.getInput().isKeyDown(Input.KEY_LEFT)) x -= 20;
			if(gameContainer.getInput().isKeyDown(Input.KEY_RIGHT)) x += 20;
			if(gameContainer.getInput().isKeyDown(Input.KEY_UP)) y -= 20;
			if(gameContainer.getInput().isKeyDown(Input.KEY_DOWN)) y += 20;
			mapExcess();
		}
		
	}