Puzzle Bobble/Bust-a-move engine

Hello
Im search Engine from Puzzle Bobble or Bust-a-move engine to my mini game.
I searched for an engine or a tutorial, but i couldn't find it too.

I did a game with a similar game mechanic. The trick for arranging the bubbles is: use a different active for the shot than the static bubbles, and on collision check the relative position between the two, then place the bubble accordingly.

I could use a really good example of how to do it
Im made Engine but is a very glitched