Your best bet would probably be to generate the world from actual heightmaps as the player flies along, the downsides to this are that there might be cracks in the terrain if you make the earth a sphere, and you couldn’t have multiplayer.
Your best bet would probably be to generate the world from actual heightmaps as the player flies along, the downsides to this are that there might be cracks in the terrain if you make the earth a sphere, and you couldn’t have multiplayer.