com.github.tommyettinger.textra.utils

Class NoiseUtils

java.lang.Object

com.github.tommyettinger.textra.utils.NoiseUtils

public class NoiseUtils
extends java.lang.Object

Some 1D noise methods to be used when an effect needs smooth but random changes.

Constructor Summary

Constructors

Constructor and Description
NoiseUtils()

Method Summary

Modifier and Type	Method and Description
static float	noise1D(float x, int seed) Quilez' 1D noise, with some changes to work on the CPU.
static float	octaveNoise1D(float x, int seed) Just gets two octaves of noise1D(float, int); still has a range of -1 to 1.

Methods inherited from class java.lang.Object

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

Constructor Detail

NoiseUtils

public NoiseUtils()

Method Detail

noise1D

public static float noise1D(float x,
                            int seed)

Quilez' 1D noise, with some changes to work on the CPU. Takes a distance x and any int seed, and produces a smoothly-changing value as x goes up or down and seed stays the same. Uses a quartic curve.

Parameters:

x - should go up and/or down steadily and by small amounts (less than 1.0, certainly)

seed - should stay the same for a given curve

Returns:

a noise value between -1.0 and 1.0

octaveNoise1D

public static float octaveNoise1D(float x,
                                  int seed)

Just gets two octaves of noise1D(float, int); still has a range of -1 to 1.

Parameters:

x - should go up and/or down steadily and by small amounts (less than 1.0, certainly)

seed - should stay the same for a given curve

Returns:

a noise value between -1.0 and 1.0