Does anyone know how rain drops on a car windshield is done in modern games ?

gnoop

I did it once with UV shifting textures and flow maps but more I see in games like drive club of forza it looks much more complicated . I would be appreciative for any links.

sprunghunt

This is a pretty neat tutorial:
Rain On Windshield Effect – Jon Stegall Technical Artist

gnoop

thanks a lot sprunghunt