org.novyon.noise

Class ShaderUtils

java.lang.Object

org.novyon.noise.ShaderUtils

public class ShaderUtils
extends Object

Helper class containing useful functions explained in the book: Texturing & Modeling - A Procedural Approach

Author:

Anthyon

Constructor Summary

Constructors

Constructor and Description
ShaderUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static float	abs(float x)
static float	bias(float b, float x)
static float	boxstep(float a, float b, float x)
static int	c2i(float[] color)
static float[][]	calcRotationMatrix(float ax, float ay, float az)
static float	ceil(float x)
static float	clamp(float x, float a, float b)
static int	floor(float x)
static float[]	floor(float[] fs)
static float	frac(float f)
static float	gain(float g, float x)
static float	gammaCorrection(float gamma, float x)
static ByteBuffer	getImageDataFromImage(BufferedImage bufferedImage)
static float[]	i2c(int color)
static float	length(float[] v)
static float	length(float x, float y, float z)
static float	max(float a, float b)
static float	min(float a, float b)
static Color	mix(Color a, Color b, float f)
static float[]	mix(float[] c1, float[] c2, float f)
static float	mix(float a, float b, float f)
static int	mix(int a, int b, float f)
static float	mod(float a, float b)
static float[]	normalize(float[] v)
static float	pulse(float a, float b, float x)
static float[]	rotate(float[] v, float[][] m)
static float	sinValue(float s, float minFreq, float maxFreq, float swidth)
static float	smoothstep(float a, float b, float x)
static float	spline(float x, float[] knot)
static float[]	spline(float x, float[][] knots)
static float	step(float a, float x)

Methods inherited from class java.lang.Object

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

Constructor Detail

ShaderUtils

public ShaderUtils()

Method Detail

i2c

public static final float[] i2c(int color)

c2i

public static final int c2i(float[] color)

mix

public static final float mix(float a,
        float b,
        float f)

mix

public static final Color mix(Color a,
        Color b,
        float f)

mix

public static final int mix(int a,
      int b,
      float f)

mix

public static final float[] mix(float[] c1,
          float[] c2,
          float f)

step

public static final float step(float a,
         float x)

boxstep

public static final float boxstep(float a,
            float b,
            float x)

pulse

public static final float pulse(float a,
          float b,
          float x)

clamp

public static final float clamp(float x,
          float a,
          float b)

min

public static final float min(float a,
        float b)

max

public static final float max(float a,
        float b)

abs

public static final float abs(float x)

smoothstep

public static final float smoothstep(float a,
               float b,
               float x)

mod

public static final float mod(float a,
        float b)

floor

public static final int floor(float x)

ceil

public static final float ceil(float x)

spline

public static final float spline(float x,
           float[] knot)

spline

public static final float[] spline(float x,
             float[][] knots)

gammaCorrection

public static final float gammaCorrection(float gamma,
                    float x)

bias

public static final float bias(float b,
         float x)

gain

public static final float gain(float g,
         float x)

sinValue

public static final float sinValue(float s,
             float minFreq,
             float maxFreq,
             float swidth)

length

public static final float length(float x,
           float y,
           float z)

rotate

public static final float[] rotate(float[] v,
             float[][] m)

calcRotationMatrix

public static final float[][] calcRotationMatrix(float ax,
                           float ay,
                           float az)

normalize

public static final float[] normalize(float[] v)

length

public static final float length(float[] v)

getImageDataFromImage

public static final ByteBuffer getImageDataFromImage(BufferedImage bufferedImage)

frac

public static float frac(float f)

floor

public static float[] floor(float[] fs)