I started an app about 4 months ago in three.js as a proof of concept.  Its not a game but a ship yard inventory system. It maintains the position of over 20,000 containers in 3 basic sizes, and reflects the movement of over 200 vehicles with 5 different types. The prototype app positions the vehicles and the moves the containers around the yard. The vehicles and containers are using models in the js format. The containers are wrapped in about 15 different textures that have the compan