So I am trying to start on a Procedural Universe project using Infinity:Quest for Earth as inspiration and source code given by gamasutra.Here is where Im starting as inspiration:
Infinity Universe
and the articles on Gamasutra are 4 parts long and provides source code.
Gamsutra
Anyways I want to really hop on this.Infinity Quest for Earth really did some amazing things with the concept such as from space to surface the whole universe it amazing and I realize the programmer is and did create tons of functions for planets to nebulae to asteroids and simply is amazing feats that will take years to catch up of get similar effects which im up for. Anyways what engine obstacles would be something to note ahead of time.