kill him!

i want to make my first violent game!
i have a smile with a gun, and i want to make him kill another smile
how can i make then smile shoting the other one
and is possible make the smile shot in diferent directions?
i have a smile with a gun, and i want to make him kill another smile
how can i make then smile shoting the other one
and is possible make the smile shot in diferent directions?