Health Bar in Lua

Yes, I know there is a health bar .dll plugin already available, but what would it look like if someone wanted to put it into Lua?

Also, how do people go about creating their own, custom health bars?

Any and all help, is appreciated.

Thanks!!

#Pushing this topic because I would like to know without creating a new post.

I too would like to know how to do this, not only for health bar but for other stuff as well.