Infinite Terrain

A very nice chap has made a video about procedurally generated terrains and provided an example project on Google Drive. Here is a link to the video.    

and here is a link to his project download page. This project was the basis of the bouncing balls game.

https://drive.google.com/file/d/1B_IwrJKX9sQishwyrUbmWYCZrmhUwJTb/view