[LUA Armory] SniperBot! v4.1

I don't know what to do and I'm running out of ideas, so I decided to add some story to this lol. Maybe you can suggest something for me to do?

Introducing the Sniper Robot! He can shoot things from far away! He is equipped with a sniper rifle and an arm cannon.

Press action button to switch to sniper mode.

----------Control----------
Z: Aim
F: Shoot
G: Exit sniper mode
H: Hold breath
X: Air supply

----------Changelogs----------
-----v1.0-----
-Initial Release
-----v1.1-----
-Some fixes
-----v2.0-----
-New sniper aid
-More realistic aiming! There's a 'breathing' effect and you cand hold it!
-----v2.1-----
-Fixes
-----v2.2-----
-Fixes
-----v3.0-----
-Fixed "Unable to exit after death in sniper mode"
-Robot takes damage from suffocation (thanks to @GlaDos: for the idea)
-----v.4.1-----
-Added story