This video explains how to create virtual rain and how to bounce virtual rain off of a matte clip. (image based)




http://www.vfxtalk.com/tutorialfiles...usion_rain.mov

[movie=fusion_rain.mov|http://www.vfxtalk.com/tutorialfiles/cmivfx/|640|360|Rain Collisions in Digital Fusion|By CMIvfx]Click Here to View Video[/movie]