The code for this things is getting more complicated...but I fixed it!
===Change============
-You increase the health when its at zero
====================
It works by resetting the object's health back to its original state and then subtracting a huge amount from it, so it seems like its been healed
A bit crude, but it works I guess...
Here's the fixed version:
There's also a demo showing the new healthbar controller!
The readme from post #12 still applies!
==============Some of my Games and Ideas===========
Sky Warrior: http://www.alice.org/community/showthread.php?t=6291
Health Bars: http://www.alice.org/community/showthread.php?p=36968#post36968
Sky Warrior: Dual Force: http://www.alice.org/community/showthread.php?t=7174
Want to make your own space game? http://www.alice.org/community/showthread.php?t=6389