In Part 08 of our building blocks tutorial for Cascade, I will dig into the Depth Buffer Collision Module. The setup can be pretty straight forward. With some tweaking and additional GPU particle features, you can really step up the quality of your FX by adding some high frequency detail which will collide with opaque world geometry at a very low cost.
Ask me any questions you may have here in the forums, or send me a message on Twitter @MrElek](http://twitter.com/MrElek)
Click on the link and let’s get started.