PerlinNoiseGenerator

java.lang.Object
- org.pushingpixels.radiance.theming.internal.utils.PerlinNoiseGenerator

```
public class PerlinNoiseGenerator
extends java.lang.Object
```
A class for producing Perlin-inspired noise. The code written by Ken Perlin.

Field Summary

Fields
Modifier and Type Field Description

(package private) static int[] p
Permutations.

(package private) static int[] permutation
Permutations.

Constructor Summary

Constructors
Constructor Description

PerlinNoiseGenerator()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	Description
`(package private) static double`	`fade(double t)`	Fades the specified value.
`(package private) static double`	`grad(int hash, double x, double y, double z)`
`(package private) static double`	`lerp(double t, double a, double b)`	Interpolates the specified value.
`static double`	`noise(double x, double y, double z)`	Returns noise for the specified coordinates.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - p
```
static final int[] p
```
    Permutations.
  - permutation
```
static final int[] permutation
```
    Permutations.
- Constructor Detail
  - PerlinNoiseGenerator
```
public PerlinNoiseGenerator()
```
- Method Detail
  - noise
```
public static double noise(double x,
                           double y,
                           double z)
```
    Returns noise for the specified coordinates.
    
    Parameters:
    
    x - X coordinate.
    
    y - Y coordinate.
    
    z - Z coordinate.
    
    Returns:
    
    Noise for the specified coordinates.
  - fade
```
static double fade(double t)
```
    Fades the specified value.
    
    Parameters:
    
    t - Value to fade.
    
    Returns:
    
    faded value.
  - lerp
```
static double lerp(double t,
                   double a,
                   double b)
```
    Interpolates the specified value.
    
    Parameters:
    
    t - Value.
    
    a - Starting interpolation value.
    
    b - Ending interpolation value.
    
    Returns:
    
    Interpolated value.
  - grad
```
static double grad(int hash,
                   double x,
                   double y,
                   double z)
```
    Parameters:
    
    hash -
    
    x -
    
    y -
    
    z -
    
    Returns: