Catalano.Math.Functions

Class PerlinNoise

java.lang.Object

Catalano.Math.Functions.PerlinNoise

public class PerlinNoise
extends java.lang.Object

Perlin noise function.

Constructor Summary

Constructors

Constructor and Description
PerlinNoise() Initializes a new instance of the PerlinNoise class.
PerlinNoise(int octaves, double persistense) Initializes a new instance of the PerlinNoise class.
PerlinNoise(int octaves, double persistence, double initFrequency, double initAmplitude) Initializes a new instance of the PerlinNoise class.

Method Summary

Modifier and Type	Method and Description
double	Function1D(double x) 1-D Perlin noise function.
double	Function2D(double x, double y) 2-D Perlin noise function.
double	getInitAmplitude() Get initial amplitude.
double	getInitFrequency() Get initial frequency.
int	getOctaves() Get number of octaves.
double	getPersistence() Get persistence value.
void	setInitAmplitude(double initAmplitude) Set initial amplitude.
void	setInitFrequency(double initFrequency) Set initial frequency.
void	setOctaves(int octaves) Set number of octaves.
void	setPersistence(double persistence) Set persistence value.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PerlinNoise

public PerlinNoise()

Initializes a new instance of the PerlinNoise class.

PerlinNoise

public PerlinNoise(int octaves,
                   double persistense)

Initializes a new instance of the PerlinNoise class.

Parameters:

octaves - Number of octaves.

persistense - Persistence value.

PerlinNoise

public PerlinNoise(int octaves,
                   double persistence,
                   double initFrequency,
                   double initAmplitude)

Initializes a new instance of the PerlinNoise class.

Parameters:

octaves - Number of octaves.

persistence - Persistence value.

initFrequency - Initial frequency.

initAmplitude - Initial amplitude.

Method Detail

getInitAmplitude

public double getInitAmplitude()

Get initial amplitude.

Returns:

Value.

setInitAmplitude

public void setInitAmplitude(double initAmplitude)

Set initial amplitude.

Parameters:

initAmplitude - Value.

getInitFrequency

public double getInitFrequency()

Get initial frequency.

Returns:

Value.

setInitFrequency

public void setInitFrequency(double initFrequency)

Set initial frequency.

Parameters:

initFrequency - Value.

getOctaves

public int getOctaves()

Get number of octaves.

Returns:

Value.

setOctaves

public void setOctaves(int octaves)

Set number of octaves.

Parameters:

octaves - Value.

getPersistence

public double getPersistence()

Get persistence value.

Returns:

Value.

setPersistence

public void setPersistence(double persistence)

Set persistence value.

Parameters:

persistence - Value.

Function1D

public double Function1D(double x)

1-D Perlin noise function.

Parameters:

x - X Value.

Returns:

Returns function's value at point x.

Function2D

public double Function2D(double x,
                         double y)

2-D Perlin noise function.

Parameters:

x - X Value.

y - Y Value.

Returns:

Returns function's value at point xy.