Very cool demo with Three.js of a NY city

Rather simple with objects, but interesting because of
the interaction demo of a NY city done with Three.js

Terrain generation: the diamond-square algorithm and Three.js by Sann-Remy Chea

An impressive use of a diamond-square algorithm with WebGL and Three.js. Could be used in game development. Shows good performance. In the demo you can change some parameters.
DEMO of Random terrain generator