Package org.bukkit.util.noise

Class PerlinNoiseGenerator

java.lang.Object

org.bukkit.util.noise.NoiseGenerator

org.bukkit.util.noise.PerlinNoiseGenerator

Direct Known Subclasses:

SimplexNoiseGenerator

public class PerlinNoiseGenerator
extends NoiseGenerator

Generates noise using the "classic" perlin generator

See Also:

"Improved" and faster version with slighly different results

Field Summary

Fields

Modifier and Type	Field	Description
protected static int[][]	grad3

Fields inherited from class org.bukkit.util.noise.NoiseGenerator

offsetX, offsetY, offsetZ, perm

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	PerlinNoiseGenerator()
	PerlinNoiseGenerator(long seed)	Creates a seeded perlin noise generator for the given seed
	PerlinNoiseGenerator(java.util.Random rand)	Creates a seeded perlin noise generator with the given Random
	PerlinNoiseGenerator(World world)	Creates a seeded perlin noise generator for the given world

Method Summary

Modifier and Type	Method	Description
static PerlinNoiseGenerator	getInstance()	Gets the singleton unseeded instance of this generator
static double	getNoise(double x)	Computes and returns the 1D unseeded perlin noise for the given coordinates in 1D space
static double	getNoise(double x, double y)	Computes and returns the 2D unseeded perlin noise for the given coordinates in 2D space
static double	getNoise(double x, double y, double z)	Computes and returns the 3D unseeded perlin noise for the given coordinates in 3D space
static double	getNoise(double x, double y, double z, int octaves, double frequency, double amplitude)	Generates noise for the 3D coordinates using the specified number of octaves and parameters
static double	getNoise(double x, double y, int octaves, double frequency, double amplitude)	Generates noise for the 2D coordinates using the specified number of octaves and parameters
static double	getNoise(double x, int octaves, double frequency, double amplitude)	Generates noise for the 1D coordinates using the specified number of octaves and parameters
double	noise(double x, double y, double z)	Computes and returns the 3D noise for the given coordinates in 3D space

Methods inherited from class org.bukkit.util.noise.NoiseGenerator

fade, floor, grad, lerp, noise, noise, noise, noise, noise, noise, noise, noise

Methods inherited from class java.lang.Object

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

Field Detail

grad3

protected static final int[][] grad3

Constructor Detail

PerlinNoiseGenerator

protected PerlinNoiseGenerator()

PerlinNoiseGenerator

public PerlinNoiseGenerator(World world)

Creates a seeded perlin noise generator for the given world

Parameters:

world - World to construct this generator for

PerlinNoiseGenerator

public PerlinNoiseGenerator(long seed)

Creates a seeded perlin noise generator for the given seed

Parameters:

seed - Seed to construct this generator for

PerlinNoiseGenerator

public PerlinNoiseGenerator(java.util.Random rand)

Creates a seeded perlin noise generator with the given Random

Parameters:

rand - Random to construct with

Method Detail

getNoise

public static double getNoise(double x)

Computes and returns the 1D unseeded perlin noise for the given coordinates in 1D space

Parameters:

x - X coordinate

Returns:

Noise at given location, from range -1 to 1

getNoise

public static double getNoise(double x,
                              double y)

Computes and returns the 2D unseeded perlin noise for the given coordinates in 2D space

Parameters:

x - X coordinate

y - Y coordinate

Returns:

Noise at given location, from range -1 to 1

getNoise

public static double getNoise(double x,
                              double y,
                              double z)

Computes and returns the 3D unseeded perlin noise for the given coordinates in 3D space

Parameters:

x - X coordinate

y - Y coordinate

z - Z coordinate

Returns:

Noise at given location, from range -1 to 1

getInstance

public static PerlinNoiseGenerator getInstance()

Gets the singleton unseeded instance of this generator

Returns:

Singleton

noise

public double noise(double x,
                    double y,
                    double z)

Description copied from class: NoiseGenerator

Computes and returns the 3D noise for the given coordinates in 3D space

Specified by:

noise in class NoiseGenerator

Parameters:

x - X coordinate

y - Y coordinate

z - Z coordinate

Returns:

Noise at given location, from range -1 to 1

getNoise

public static double getNoise(double x,
                              int octaves,
                              double frequency,
                              double amplitude)

Generates noise for the 1D coordinates using the specified number of octaves and parameters

Parameters:

x - X-coordinate

octaves - Number of octaves to use

frequency - How much to alter the frequency by each octave

amplitude - How much to alter the amplitude by each octave

Returns:

Resulting noise

getNoise

public static double getNoise(double x,
                              double y,
                              int octaves,
                              double frequency,
                              double amplitude)

Generates noise for the 2D coordinates using the specified number of octaves and parameters

Parameters:

x - X-coordinate

y - Y-coordinate

octaves - Number of octaves to use

frequency - How much to alter the frequency by each octave

amplitude - How much to alter the amplitude by each octave

Returns:

Resulting noise

getNoise

public static double getNoise(double x,
                              double y,
                              double z,
                              int octaves,
                              double frequency,
                              double amplitude)

Generates noise for the 3D coordinates using the specified number of octaves and parameters

Parameters:

x - X-coordinate

y - Y-coordinate

z - Z-coordinate

octaves - Number of octaves to use

frequency - How much to alter the frequency by each octave

amplitude - How much to alter the amplitude by each octave

Returns:

Resulting noise