"There is a theory which states that if ever anybody discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable. There is another theory which states that this has already happened."
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Creating Vast Game Worlds - Experiences from Avalanche Studios Monday, August 20, 2012 | Permalink
This is the slide deck from my presentation titled "Creating Vast Game Worlds - Experiences from Avalanche Studios" at Siggraph 2012. It covers all sorts of issues you encounter when creating large game worlds, such as floating point precision issues, memory, optimizations, culling etc.