Nimble::RandomUniform Class Reference

Random number generator with uniform distribution. More...

#include <Nimble/Random.hpp>

Public Member Functions
uint32_t	rand ()
	A random number in range 0:2^32-1. More...
float	rand01 ()
	Random numbers between 0 and 1.
float	rand0X (float x)
	Random numbers between 0 and x.
double	rand0X (double x)
	Random numbers between 0 and x.
uint32_t	rand0X (uint32_t x)
	Random numbers between 0 and x-1.
uint64_t	rand0X64 (uint64_t x)
	64-bit random numbers between 0 and x-1
float	rand11 ()
	Random numbers between -1 and 1.
uint32_t	rand24 ()
	A random number in range 0:2^24-1. More...
uint32_t	rand32 ()
	A random number in range 0:2^32-1. More...
bool	randBool ()
	Random boolean. More...
float	randMinMax (float min, float max)
	Random numbers between min and max.
uint32_t	randN24 (uint32_t range)
	Get random numbers between 0 and range-1. More...
	RandomUniform (unsigned long val=std::mt19937::default_seed)
	Constructs a new random number generator with the given seed value.
float	randRange (float a, float b)
	Random number from range [a, b) if a < b, else [b, a)
Nimble::Vector2f	randVec2InRect (const Nimble::Rectf &r)
	Random 2d vector inside a rectangle.
Nimble::Vector2f	randVecInCircle (float radius=1.0f)
	Random 2d vector on or inside a circle. More...
Nimble::Vector3f	randVecInSphere (float radius=1.0f)
	Random 3d vector inside or on a sphere. More...
Nimble::Vector2f	randVecOnCircle (float radius=1.0f)
	Random 2d vector on a circle. More...
Nimble::Vector3f	randVecOnSphere (float radius=1.0f)
	Random 3d vector on a sphere. More...
float	randXX (float x)
	Random numbers between -x and x.

Static Public Member Functions
static RandomUniform &	instance ()
	Returns a reference to an instance.

Detailed Description

Random number generator with uniform distribution.

This class generates random numbers with uniform distribution.

It uses STL's Mersenne Twister implementation for random number generation.

The random number sequence is identical on all platforms, given the same seed value.

Examples:

AnimatorExample.cpp, and EventsExample.cpp.

Member Function Documentation

uint32_t Nimble::RandomUniform::rand ( )

inline

A random number in range 0:2^32-1.

Returns

Generated random number

uint32_t Nimble::RandomUniform::rand24 ( )

inline

A random number in range 0:2^24-1.

Returns

Generated random number

uint32_t Nimble::RandomUniform::rand32 ( )

inline

A random number in range 0:2^32-1.

Returns

Generated random number

bool Nimble::RandomUniform::randBool ( )

inline

Random boolean.

Returns

True or false.

uint32_t Nimble::RandomUniform::randN24 ( uint32_t  range )

inline

Get random numbers between 0 and range-1.

Parameters

range

The maximum output value. This value must not exceed 2^24-1.

Returns

Generated random number

Nimble::Vector2f Nimble::RandomUniform::randVecInCircle ( float  radius = 1.0f )

inline

Random 2d vector on or inside a circle.

Parameters

radius

The radius of the circle

Nimble::Vector3f Nimble::RandomUniform::randVecInSphere ( float  radius = 1.0f )

inline

Random 3d vector inside or on a sphere.

Parameters

radius

The radius of the sphere

Nimble::Vector2f Nimble::RandomUniform::randVecOnCircle ( float  radius = 1.0f )

inline

Random 2d vector on a circle.

Parameters

radius

The radius of the circle

Nimble::Vector3f Nimble::RandomUniform::randVecOnSphere ( float  radius = 1.0f )

inline

Random 3d vector on a sphere.

Parameters

radius

The radius of the sphere