Apologies if this is a broad and fuzzy question, but I’m trying to modify the existing Unity 4 terrain system and really don’t know where to start. I feel rather like I’m trying to modify a car engine but can’t find the catch to open the bonnet in the first place. How do I access the relevant scripts in order to start poking around with them, and are there any good tutorials, explanations or examples of this kind of thing?
Apart from reading the docs and trying the tutorials I can only point to this discontinued community project which I think was quite cool.
http://forum.unity3d.com/threads/118820-TerrainEdge-3-(need-testers-feedback-ideas-etc)
The scripts are quite messy, but they’re also powerful.