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Procedurally generated textures almost always look it.
And memory is so cheap that there's no reason not to just go photograph something and stick it on there.
Some exceptions are trees and water, and libraries have been written to draw large numbers of trees and realistic water without the programmer having to reinvent the wheel.
"Journalism is printing what someone else does not want printed. Everything else is public relations." - George Orwell
"If voting changed anything, they'd make it illegal." - Emma Goldman
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