Simulating erosion to try make procedural terrains look a little more natural. See my video on this project here: https://www.youtube.com/watch?v=eaXk97ujbPQ
To run this project you'll need to open it in the Unity game engine: https://unity3d.com/
Before:
Resources: https://www.firespark.de/resources/downloads/implementation%20of%20a%20methode%20for%20hydraulic%20erosion.pdf http://ranmantaru.com/blog/2011/10/08/water-erosion-on-heightmap-terrain/