March 2017
Intermediate to advanced
1052 pages
28h 32m
English
Content preview from Game Engine Architecture, 2nd Edition
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4.8 Random Number Generation
Random numbers are ubiquitous in game engines, so it behooves us to have a brief look at the two most common random number generators, the linear congruential generator and the Mersenne Twister. It’s important to realize that random number generators don’t actually generate random numbers—they merely produce a complex, but totally deterministic, predefined sequence of values. For this reason, we call the sequences they produce pseudorandom. What differentiates a good generator from a bad one is how long the sequence of numbers is before it repeats (its period), and how well the sequences hold up under various well-known randomness tests.
4.8.1 Linear Congruential Generators
Linear congruential generators are a very ...
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