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GlRandom Class Reference

Random number generators (including the rand() in C) are often frustratingly non-random in their lower bits. More...

#include <glrandom.h>

List of all members.

Public Methods
	GlRandom (U32 _seed=0)
	Constructor, with optional seed value.
void	SetSeed (U32 _seed)
	The current seed can be set at any time. More...
U16	Rand ()
	Returns a 16bit random number.
U16	Rand (U16 upperBound)
	Returns a random number greater than or equal to 0, and less that 'upperBound'.
U16	RandD2 (U16 upperBound)
	"Roll two dice." Return a result from [0,upperBound). More...
U16	RandD3 (U16 upperBound)
	"Roll three dice." Return a result from [0,upperBound). More...
double	DRand (double upper)
	Return a random number from 0 to upper: [0,upper].
float	FRand (float upper)
	Return a random number from 0 to upper: [0,upper].
bool	Boolean ()
	Return a random boolean.

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Detailed Description

Random number generators (including the rand() in C) are often frustratingly non-random in their lower bits.

This is a fast random number that is random in its lower bits.

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Member Function Documentation

U16 GlRandom::RandD2 (  U16    upperBound )  [inline]

"Roll two dice." Return a result from [0,upperBound). This has the same bell curve distribution as 2 dice.

U16 GlRandom::RandD3 (  U16    upperBound )  [inline]

"Roll three dice." Return a result from [0,upperBound). This has the same bell curve distribution as 3 dice.

void GlRandom::SetSeed (  U32    _seed )

The current seed can be set at any time. This does put the random number generator in a consistent state, even though the random numbers are actually partially cached.

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The documentation for this class was generated from the following file:

• glrandom.h

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