org.xith3d.utility.noise
Class Noise

java.lang.Object
  org.xith3d.utility.noise.Noise

public class Noise
extends java.lang.Object

PerlinSolidNoiseGenerator.java 1.0 98/06/16 Carl Burke Encapsulates Perlin's method for solid noise generation. Copyright (c) 1998 Carl Burke. Adapted from copyrighted source code by Ken Perlin and F. Kenton Musgrave to accompany: Texturing and Modeling: A Procedural Approach Ebert, D., Musgrave, K., Peachey, P., Perlin, K., and Worley, S. AP Professional, September, 1994. ISBN 0-12-228760-6 Web site: http://www.cs.umbc.edu/~ebert/book/book.html

Field Summary

static int	B Noise generation (interpolation) over 1,2, and 3 dimensions
static int	BM
static int	N
static int	NM
static int	NP

Constructor Summary

Noise()

Noise(double seed)

Method Summary

double	bias(double a, double b) Supporting/filtering methods
double	gain(double a, double b)
double	getSeed()
double	lerp(double t, double a, double b)
double	noise(double[] vec, int len)
double	noise1(double arg)
double	noise2(double[] vec)
double	noise3(double[] vec)
double	s_curve(double t)
void	setSeed(double s)
double	turbulence(double[] v, double freq)

Methods inherited from class java.lang.Object

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

Field Detail

B

public static final int B

Noise generation (interpolation) over 1,2, and 3 dimensions

See Also:

Constant Field Values

BM

public static final int BM

See Also:

Constant Field Values

N

public static final int N

See Also:

Constant Field Values

NP

public static final int NP

See Also:

Constant Field Values

NM

public static final int NM

See Also:

Constant Field Values

Constructor Detail

Noise

public Noise()

Noise

public Noise(double seed)

Method Detail

setSeed

public void setSeed(double s)

getSeed

public double getSeed()

bias

public double bias(double a,
                   double b)

Supporting/filtering methods

gain

public double gain(double a,
                   double b)

turbulence

public double turbulence(double[] v,
                         double freq)

s_curve

public double s_curve(double t)

lerp

public double lerp(double t,
                   double a,
                   double b)

noise1

public double noise1(double arg)

noise2

public double noise2(double[] vec)

noise3

public double noise3(double[] vec)

noise

public double noise(double[] vec,
                    int len)