I guess I can give it a try.
Update: Wow, I didn't know it was going to be that easy, and nothing was different. I guess I'll work on the level 1 charge shot next.
As of now, I tried my new projectile on Zero's shield using Omega Zero, and it apparently makes a clone.
Here's the code:
Spoiler, click to toggle visibilty
Right now I'm just using the standard bullet as a test for this. I want the shield of the Shield Boomerang to deflect certain projectiles, such as standard bullets from the rock type characters, MegaMan Zero, Model ZX, Grey, and Ashe. And the level 1 charge shot from said characters. Those are for starters. I'm not sure about some of the bosses, though.