Cool Code - Quake 3 Fast InvSqrt() - Particl Digital
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Descrição
Ever play Quake while growing up? Aside from the game itself, the code written to build it is home to a small piece of history in being able to get around the very expensive inverse square root function using very accurate, very fast approximation. The code, specifically how the mythical constant(0x5f3759df) was derived is still…
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Clever Code: Fast Inverse Square Root
FixedPoint
FAST INVERSE SQUARE ROOT - PDF Free Download
Quake III's or Fast InvSqrt() or 0x5F3759DF Algorithm, by whoisslimshady
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Exploring Quake 3's Fast Inverse Square Root
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