My engine for touch! tap and hold L and R to move left and right tap reload to reload tap F or the gun to fire
this took quite a bit of trial and error 3/17/19: release 3/18/19: got rid of fire button and made it to where the you have to tap the gun to fire 3/20/19: increased button size for mobile, made backdrop moveable 7/1/19: readded a fire button
