IlvPerlinNoise Class Reference

Ken Perlin's noise generator. More...

#include <ilviews/bitmaps/filters/noise.h>

Public Member Functions
	IlvPerlinNoise (IlInt seed=0)
	Constructor. More...
void	init (IlInt seed)
	Initializes the noise generator with the given seed. More...
void	noise2 (IlFloat x, IlFloat y, IlFloat *result)
	Generates four noise values. More...

Detailed Description

Ken Perlin's noise generator.

Library: ilvbmpflt

This class lets you generate noise using Ken Perlin's method. Four values are generated.

Constructor & Destructor Documentation

IlvPerlinNoise::IlvPerlinNoise

(

IlInt

seed = 0

)

Constructor.

Initializes a new instance of the class IlvPerlinNoise.

Member Function Documentation

void IlvPerlinNoise::init

(

IlInt

seed

)

Initializes the noise generator with the given seed.

Parameters

seed	The new initial seed value.

void IlvPerlinNoise::noise2	(	IlFloat	x,
		IlFloat	y,
		IlFloat *	result
	)

Generates four noise values.

Parameters

x	The x coordinate where to generate noise.
y	The y coordinate where to generate noise.
result	An array of 4 floating point values that will contain the noise values at this point.