Generates simplex-based noise. More...

Inheritance diagram for org.bukkit.util.noise.SimplexNoiseGenerator:

Collaboration diagram for org.bukkit.util.noise.SimplexNoiseGenerator:

Public Member Functions
	SimplexNoiseGenerator (World world)
	Creates a seeded simplex noise generator for the given world.

	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.

double	noise (double xin, double yin, double zin)
	Computes and returns the 3D noise for the given coordinates in 3D space.

double	noise (double xin, double yin)

double	noise (double x, double y, double z, double w)
	Computes and returns the 4D simplex noise for the given coordinates in 4D space.

Public Member Functions inherited from org.bukkit.util.noise.PerlinNoiseGenerator
	PerlinNoiseGenerator (World world)
	Creates a seeded perlin noise generator for the given world.

	PerlinNoiseGenerator (long seed)
	Creates a seeded perlin noise generator for the given seed.

	PerlinNoiseGenerator (Random rand)
	Creates a seeded perlin noise generator with the given Random.

Public Member Functions inherited from org.bukkit.util.noise.NoiseGenerator
double	noise (double x)
	Computes and returns the 1D noise for the given coordinate in 1D space.

double	noise (double x, double y)
	Computes and returns the 2D noise for the given coordinates in 2D space.

double	noise (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, int octaves, double frequency, double amplitude, boolean normalized)
	Generates noise for the 1D coordinates using the specified number of octaves and parameters.

double	noise (double x, double y, int octaves, double frequency, double amplitude)
	Generates noise for the 2D coordinates using the specified number of octaves and parameters.

double	noise (double x, double y, int octaves, double frequency, double amplitude, boolean normalized)
	Generates noise for the 2D coordinates using the specified number of octaves and parameters.

double	noise (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.

double	noise (double x, double y, double z, int octaves, double frequency, double amplitude, boolean normalized)
	Generates noise for the 3D coordinates using the specified number of octaves and parameters.

Static Public Member Functions
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.

static SimplexNoiseGenerator	getInstance ()
	Gets the singleton unseeded instance of this generator.

Static Public Member Functions inherited from org.bukkit.util.noise.PerlinNoiseGenerator
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 PerlinNoiseGenerator	getInstance ()
	Gets the singleton unseeded instance of this generator.

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.

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, 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 Public Member Functions inherited from org.bukkit.util.noise.NoiseGenerator
static int	floor (double x)
	Speedy floor, faster than (int)Math.floor(x)

Protected Member Functions
	SimplexNoiseGenerator ()

Protected Member Functions inherited from org.bukkit.util.noise.PerlinNoiseGenerator
	PerlinNoiseGenerator ()

Static Protected Member Functions
static double	dot (int g[], double x, double y)

static double	dot (int g[], double x, double y, double z)

static double	dot (int g[], double x, double y, double z, double w)

Static Protected Attributes
static final double	SQRT_3 = Math.sqrt(3)

static final double	SQRT_5 = Math.sqrt(5)

static final double	F2 = 0.5 * (SQRT_3 - 1)

static final double	G2 = (3 - SQRT_3) / 6

static final double	G22 = G2 * 2.0 - 1

static final double	F3 = 1.0 / 3.0

static final double	G3 = 1.0 / 6.0

static final double	F4 = (SQRT_5 - 1.0) / 4.0

static final double	G4 = (5.0 - SQRT_5) / 20.0

static final double	G42 = G4 * 2.0

static final double	G43 = G4 * 3.0

static final double	G44 = G4 * 4.0 - 1.0

static final int	grad4 [][]

static final int	simplex [][]

static double	offsetW

Static Protected Attributes inherited from org.bukkit.util.noise.PerlinNoiseGenerator
static final int	grad3 [][]

Additional Inherited Members
Protected Attributes inherited from org.bukkit.util.noise.NoiseGenerator
final int	perm [] = new int[512]

double	offsetX

double	offsetY

double	offsetZ

Detailed Description

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

Definition at line 12 of file SimplexNoiseGenerator.java.

Constructor & Destructor Documentation

org.bukkit.util.noise.SimplexNoiseGenerator.SimplexNoiseGenerator ( )

protected

Definition at line 45 of file SimplexNoiseGenerator.java.

org.bukkit.util.noise.SimplexNoiseGenerator.SimplexNoiseGenerator ( World world )

Creates a seeded simplex noise generator for the given world.

Parameters

world World to construct this generator for

Definition at line 54 of file SimplexNoiseGenerator.java.

References org.bukkit.World.getSeed().

org.bukkit.util.noise.SimplexNoiseGenerator.SimplexNoiseGenerator ( long seed )

Creates a seeded simplex noise generator for the given seed.

Parameters

seed	Seed to construct this generator for

Definition at line 63 of file SimplexNoiseGenerator.java.

org.bukkit.util.noise.SimplexNoiseGenerator.SimplexNoiseGenerator ( Random rand )

Creates a seeded simplex noise generator with the given Random.

Parameters

rand	Random to construct with

Definition at line 72 of file SimplexNoiseGenerator.java.

References org.bukkit.util.noise.SimplexNoiseGenerator.offsetW.

Member Function Documentation

static double org.bukkit.util.noise.SimplexNoiseGenerator.dot	(	int	g[],
		double	x,
		double	y
	)

staticprotected

Definition at line 77 of file SimplexNoiseGenerator.java.

Referenced by org.bukkit.util.noise.SimplexNoiseGenerator.noise().

static double org.bukkit.util.noise.SimplexNoiseGenerator.dot	(	int	g[],
		double	x,
		double	y,
		double	z
	)

staticprotected

Definition at line 81 of file SimplexNoiseGenerator.java.

static double org.bukkit.util.noise.SimplexNoiseGenerator.dot	(	int	g[],
		double	x,
		double	y,
		double	z,
		double	w
	)

staticprotected

Definition at line 85 of file SimplexNoiseGenerator.java.

static SimplexNoiseGenerator org.bukkit.util.noise.SimplexNoiseGenerator.getInstance ( )

static

Gets the singleton unseeded instance of this generator.

Returns: Singleton

Definition at line 510 of file SimplexNoiseGenerator.java.

static double org.bukkit.util.noise.SimplexNoiseGenerator.getNoise ( double xin )

static

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

Definition at line 95 of file SimplexNoiseGenerator.java.

References org.bukkit.util.noise.SimplexNoiseGenerator.noise().

static double org.bukkit.util.noise.SimplexNoiseGenerator.getNoise	(	double	xin,
		double	yin
	)

static

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

Definition at line 106 of file SimplexNoiseGenerator.java.

References org.bukkit.util.noise.SimplexNoiseGenerator.noise().

static double org.bukkit.util.noise.SimplexNoiseGenerator.getNoise	(	double	xin,
		double	yin,
		double	zin
	)

static

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

Definition at line 118 of file SimplexNoiseGenerator.java.

References org.bukkit.util.noise.SimplexNoiseGenerator.noise().

static double org.bukkit.util.noise.SimplexNoiseGenerator.getNoise	(	double	x,
		double	y,
		double	z,
		double	w
	)

static

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

Definition at line 131 of file SimplexNoiseGenerator.java.

References org.bukkit.util.noise.SimplexNoiseGenerator.noise().

double org.bukkit.util.noise.SimplexNoiseGenerator.noise	(	double	x,
		double	y,
		double	z
	)

virtual

Computes and returns the 3D 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

Reimplemented from org.bukkit.util.noise.PerlinNoiseGenerator.

Definition at line 136 of file SimplexNoiseGenerator.java.

References org.bukkit.util.noise.SimplexNoiseGenerator.dot(), org.bukkit.util.noise.SimplexNoiseGenerator.F3, org.bukkit.util.noise.NoiseGenerator.floor(), org.bukkit.util.noise.SimplexNoiseGenerator.G3, org.bukkit.util.noise.PerlinNoiseGenerator.grad3, org.bukkit.util.noise.NoiseGenerator.offsetX, org.bukkit.util.noise.NoiseGenerator.offsetY, org.bukkit.util.noise.NoiseGenerator.offsetZ, and org.bukkit.util.noise.NoiseGenerator.perm.

Referenced by org.bukkit.util.noise.SimplexNoiseGenerator.getNoise().

double org.bukkit.util.noise.SimplexNoiseGenerator.noise	(	double	xin,
		double	yin
	)

Definition at line 275 of file SimplexNoiseGenerator.java.

References org.bukkit.util.noise.SimplexNoiseGenerator.dot(), org.bukkit.util.noise.SimplexNoiseGenerator.F2, org.bukkit.util.noise.NoiseGenerator.floor(), org.bukkit.util.noise.SimplexNoiseGenerator.G2, org.bukkit.util.noise.SimplexNoiseGenerator.G22, org.bukkit.util.noise.PerlinNoiseGenerator.grad3, org.bukkit.util.noise.NoiseGenerator.offsetX, org.bukkit.util.noise.NoiseGenerator.offsetY, and org.bukkit.util.noise.NoiseGenerator.perm.

double org.bukkit.util.noise.SimplexNoiseGenerator.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

Definition at line 359 of file SimplexNoiseGenerator.java.

Member Data Documentation

final double org.bukkit.util.noise.SimplexNoiseGenerator.F2 = 0.5 * (SQRT_3 - 1)

staticprotected

Definition at line 15 of file SimplexNoiseGenerator.java.

Referenced by org.bukkit.util.noise.SimplexNoiseGenerator.noise().

final double org.bukkit.util.noise.SimplexNoiseGenerator.F3 = 1.0 / 3.0

staticprotected

Definition at line 18 of file SimplexNoiseGenerator.java.

Referenced by org.bukkit.util.noise.SimplexNoiseGenerator.noise().

final double org.bukkit.util.noise.SimplexNoiseGenerator.F4 = (SQRT_5 - 1.0) / 4.0

staticprotected

Definition at line 20 of file SimplexNoiseGenerator.java.

Referenced by org.bukkit.util.noise.SimplexNoiseGenerator.noise().

final double org.bukkit.util.noise.SimplexNoiseGenerator.G2 = (3 - SQRT_3) / 6

staticprotected

Definition at line 16 of file SimplexNoiseGenerator.java.

Referenced by org.bukkit.util.noise.SimplexNoiseGenerator.noise().

final double org.bukkit.util.noise.SimplexNoiseGenerator.G22 = G2 * 2.0 - 1

staticprotected

Definition at line 17 of file SimplexNoiseGenerator.java.

Referenced by org.bukkit.util.noise.SimplexNoiseGenerator.noise().

final double org.bukkit.util.noise.SimplexNoiseGenerator.G3 = 1.0 / 6.0

staticprotected

Definition at line 19 of file SimplexNoiseGenerator.java.

Referenced by org.bukkit.util.noise.SimplexNoiseGenerator.noise().

final double org.bukkit.util.noise.SimplexNoiseGenerator.G4 = (5.0 - SQRT_5) / 20.0

staticprotected

Definition at line 21 of file SimplexNoiseGenerator.java.

Referenced by org.bukkit.util.noise.SimplexNoiseGenerator.noise().

final double org.bukkit.util.noise.SimplexNoiseGenerator.G42 = G4 * 2.0

staticprotected

Definition at line 22 of file SimplexNoiseGenerator.java.

Referenced by org.bukkit.util.noise.SimplexNoiseGenerator.noise().

final double org.bukkit.util.noise.SimplexNoiseGenerator.G43 = G4 * 3.0

staticprotected

Definition at line 23 of file SimplexNoiseGenerator.java.

Referenced by org.bukkit.util.noise.SimplexNoiseGenerator.noise().

final double org.bukkit.util.noise.SimplexNoiseGenerator.G44 = G4 * 4.0 - 1.0

staticprotected

Definition at line 24 of file SimplexNoiseGenerator.java.

Referenced by org.bukkit.util.noise.SimplexNoiseGenerator.noise().

final int org.bukkit.util.noise.SimplexNoiseGenerator.grad4[][]

staticprotected

Initial value:

= {{0, 1, 1, 1}, {0, 1, 1, -1}, {0, 1, -1, 1}, {0, 1, -1, -1},
        {0, -1, 1, 1}, {0, -1, 1, -1}, {0, -1, -1, 1}, {0, -1, -1, -1},
        {1, 0, 1, 1}, {1, 0, 1, -1}, {1, 0, -1, 1}, {1, 0, -1, -1},
        {-1, 0, 1, 1}, {-1, 0, 1, -1}, {-1, 0, -1, 1}, {-1, 0, -1, -1},
        {1, 1, 0, 1}, {1, 1, 0, -1}, {1, -1, 0, 1}, {1, -1, 0, -1},
        {-1, 1, 0, 1}, {-1, 1, 0, -1}, {-1, -1, 0, 1}, {-1, -1, 0, -1},
        {1, 1, 1, 0}, {1, 1, -1, 0}, {1, -1, 1, 0}, {1, -1, -1, 0},
        {-1, 1, 1, 0}, {-1, 1, -1, 0}, {-1, -1, 1, 0}, {-1, -1, -1, 0}}

Definition at line 25 of file SimplexNoiseGenerator.java.

Referenced by org.bukkit.util.noise.SimplexNoiseGenerator.noise().

double org.bukkit.util.noise.SimplexNoiseGenerator.offsetW

staticprotected

Definition at line 42 of file SimplexNoiseGenerator.java.

Referenced by org.bukkit.util.noise.SimplexNoiseGenerator.noise(), and org.bukkit.util.noise.SimplexNoiseGenerator.SimplexNoiseGenerator().

final int org.bukkit.util.noise.SimplexNoiseGenerator.simplex[][]

staticprotected

Initial value:

= {
        {0, 1, 2, 3}, {0, 1, 3, 2}, {0, 0, 0, 0}, {0, 2, 3, 1}, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, {1, 2, 3, 0},
        {0, 2, 1, 3}, {0, 0, 0, 0}, {0, 3, 1, 2}, {0, 3, 2, 1}, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, {1, 3, 2, 0},
        {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0},
        {1, 2, 0, 3}, {0, 0, 0, 0}, {1, 3, 0, 2}, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, {2, 3, 0, 1}, {2, 3, 1, 0},
        {1, 0, 2, 3}, {1, 0, 3, 2}, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, {2, 0, 3, 1}, {0, 0, 0, 0}, {2, 1, 3, 0},
        {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0},
        {2, 0, 1, 3}, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, {3, 0, 1, 2}, {3, 0, 2, 1}, {0, 0, 0, 0}, {3, 1, 2, 0},
        {2, 1, 0, 3}, {0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}, {3, 1, 0, 2}, {0, 0, 0, 0}, {3, 2, 0, 1}, {3, 2, 1, 0}}

Definition at line 33 of file SimplexNoiseGenerator.java.

Referenced by org.bukkit.util.noise.SimplexNoiseGenerator.noise().

final double org.bukkit.util.noise.SimplexNoiseGenerator.SQRT_3 = Math.sqrt(3)

staticprotected

Definition at line 13 of file SimplexNoiseGenerator.java.

final double org.bukkit.util.noise.SimplexNoiseGenerator.SQRT_5 = Math.sqrt(5)

staticprotected

Definition at line 14 of file SimplexNoiseGenerator.java.

The documentation for this class was generated from the following file:

org/bukkit/util/noise/SimplexNoiseGenerator.java

Public Member Functions

Static Public Member Functions

Protected Member Functions

Static Protected Member Functions

Static Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation