Do you experience with the game that written by Mark Powell?

I've seen screenshots from

I don't know how to create obstacles like pool, marsh…

Anybody can help me some idea!

To create a pool you can just use water renderer,in jme test there is an example. I guess for a marsh you can tweak the variables for the water.

actually, I need to localize for a pool! Somewhere is pool, somewhere is marsh! These are obstacles!