This is a great introduction to procedural planet generation. There's only so far you can go with this tactic. Instead of a high-res LOD height-map built with

This is a great introduction to procedural planet generation. There's only so far you can go with this tactic. Instead of a high-res LOD height-map built with the same old functions, I'd really love to see a low-res off-line calculated world with overhangs, erosion effects, impact crater, and other crazy structures.