Exploding Barrel First Pass

I basically changed up my exploding barrel from what it was (the Tesla Coil) to an Edison light bulb.  I have the scripting down for light hits to make it spark and heavy hits to instantly detonate, but I'm having issues figuring out how to make the glass on the bulb shatter pre explosion.  I also plan to add zapping electricity sounds and particle effects rather than the fiery explosion placeholders that are there now.

For now here is my script:

And a video of it in action