What is happening right now?

Therefore you can use the method turnTowards. Use the location of the mouse as the parameters and your shot actor will turn in the direction of the mouse: <Code Omitted>

Could you be more specific? What is the problem you have with the pvp game? Or what do you want this game to do?

If you want the objects to appear at the right hand side you need to change the code danpost already gave you like this: <Code Omitted> To fix the problem that the objects dissapear at the edge of the world you could either don't remove them at the right hand side or you can add the obejcts more left so that they don't get removed (instead of getWidth() - 1 use getWidth() - 25 or even more).