How make stop my character when i press attack

And how make low shoting bullets like this game

youtube.com/watch

be cous atm i have this

zapodaj.net/5d5997a9e7b9d.jpg.html

and this is me source about stop character but i can move a little

zapodaj.net/fd5ab81afb67f.jpg.html

Somebody can help me capx here mega.co.nz ... TFjB0i_5yU

u can dowl my capx on mega and try modificate and send my what u do on my email