In my newest game I wanted to create a rain effect that would work in fixed frame and side scroller modes without weighing heavily on the FPS. It also needed to work well on iOS and Android.
I want to share this with everyone as a way to give back for all of the help we've given each other in the past. You are free to incorporate this into your projects without attribution or warranty.
https://dl.dropboxusercontent.com/u/32296241/Rain.mfa