03-01-2015, 07:07 PM
It's because a and b aren't defined before you define them by Alpha/Bravo trigger. I had the same result as you until I added "a = 0; b = 0" in my unit's init line to define a and b.
AFAIK ArmA3 cracked down on undefined variables ;D
AFAIK ArmA3 cracked down on undefined variables ;D