org.bukkit.util.noise

Class SimplexNoiseGenerator

java.lang.Object

org.bukkit.util.noise.NoiseGenerator

org.bukkit.util.noise.PerlinNoiseGenerator

org.bukkit.util.noise.SimplexNoiseGenerator

public class SimplexNoiseGenerator
extends PerlinNoiseGenerator

Generates simplex-based noise.

This is a modified version of the freely published version in the paper by Stefan Gustavson at http://staffwww.itn.liu.se/~stegu/simplexnoise/simplexnoise.pdf

Constructor Summary

Constructors

Constructor and Description
SimplexNoiseGenerator(long seed) Creates a seeded simplex noise generator for the given seed
SimplexNoiseGenerator(Random rand) Creates a seeded simplex noise generator with the given Random
SimplexNoiseGenerator(World world) Creates a seeded simplex noise generator for the given world

Method Summary

Modifier and Type	Method and Description
static SimplexNoiseGenerator	getInstance() Gets the singleton unseeded instance of this generator
static double	getNoise(double xin) Computes and returns the 1D unseeded simplex noise for the given coordinates in 1D space
static double	getNoise(double xin, double yin) Computes and returns the 2D unseeded simplex noise for the given coordinates in 2D space
static double	getNoise(double xin, double yin, double zin) Computes and returns the 3D unseeded simplex noise for the given coordinates in 3D space
static double	getNoise(double x, double y, double z, double w) Computes and returns the 4D simplex noise for the given coordinates in 4D space
double	noise(double xin, double yin) Computes and returns the 2D noise for the given coordinates in 2D space
double	noise(double xin, double yin, double zin) Computes and returns the 3D noise for the given coordinates in 3D space
double	noise(double x, double y, double z, double w) Computes and returns the 4D simplex noise for the given coordinates in 4D space

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

getNoise, getNoise, getNoise

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

floor, noise, noise, noise, noise, noise, noise, noise

Methods inherited from class java.lang.Object

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

Constructor Detail

SimplexNoiseGenerator

public SimplexNoiseGenerator(World world)

Creates a seeded simplex noise generator for the given world

Parameters:

world - World to construct this generator for

SimplexNoiseGenerator

public SimplexNoiseGenerator(long seed)

Creates a seeded simplex noise generator for the given seed

Parameters:

seed - Seed to construct this generator for

SimplexNoiseGenerator

public SimplexNoiseGenerator(Random rand)

Creates a seeded simplex noise generator with the given Random

Parameters:

rand - Random to construct with

Method Detail

getNoise

public static double getNoise(double xin)

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

Parameters:

xin - X coordinate

Returns:

Noise at given location, from range -1 to 1

getNoise

public static double getNoise(double xin,
                              double yin)

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

Parameters:

xin - X coordinate

yin - Y coordinate

Returns:

Noise at given location, from range -1 to 1

getNoise

public static double getNoise(double xin,
                              double yin,
                              double zin)

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

Parameters:

xin - X coordinate

yin - Y coordinate

zin - Z coordinate

Returns:

Noise at given location, from range -1 to 1

getNoise

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

Computes and returns the 4D simplex noise for the given coordinates in 4D space

Parameters:

x - X coordinate

y - Y coordinate

z - Z coordinate

w - W coordinate

Returns:

Noise at given location, from range -1 to 1

noise

public double noise(double xin,
                    double yin,
                    double zin)

Description copied from class: NoiseGenerator

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

Overrides:

noise in class PerlinNoiseGenerator

Parameters:

xin - X coordinate

yin - Y coordinate

zin - Z coordinate

Returns:

Noise at given location, from range -1 to 1

noise

public double noise(double xin,
                    double yin)

Description copied from class: NoiseGenerator

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

Overrides:

noise in class NoiseGenerator

Parameters:

xin - X coordinate

yin - Y coordinate

Returns:

Noise at given location, from range -1 to 1

noise

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

Computes and returns the 4D simplex noise for the given coordinates in 4D space

Parameters:

x - X coordinate

y - Y coordinate

z - Z coordinate

w - W coordinate

Returns:

Noise at given location, from range -1 to 1

getInstance

public static SimplexNoiseGenerator getInstance()

Gets the singleton unseeded instance of this generator

Returns:

Singleton