Math::noise Class Reference

#include <noise.h>

Detailed Description

Perlin noise class.

See http://mrl.nyu.edu/~perlin/noise/ for details.

Copyright

(C) 2006 RadonLabs GmbH (C) 2013-2020 Individual contributors, see AUTHORS file

Static Public Member Functions
static float	gen (float x, float y, float z)
	generate noise value

Static Private Member Functions
static float	fade (float t)
	compute fade curve
static float	lerp (float t, float a, float b)
	lerp between a and b
static float	grad (int hash, float x, float y, float z)
	convert into gradient direction

Static Private Attributes
static int	perm [512]

Member Function Documentation

fade()

float Math::noise::fade ( float t )

inlinestaticprivate

compute fade curve

gen()

float Math::noise::gen ( float x, float y, float z )

inlinestatic

generate noise value

grad()

float Math::noise::grad ( int hash, float x, float y, float z )

inlinestaticprivate

convert into gradient direction

lerp()

float Math::noise::lerp ( float t, float a, float b )

inlinestaticprivate

lerp between a and b

Member Data Documentation

perm

int Math::noise::perm

staticprivate

Initial value:

=  {60,137,91,90,15,
   131,13,201,95,96,53,194,233,7,225,140,36,103,30,69,142,8,99,37,240,21,10,23,
   190, 6,148,247,120,234,75,0,26,197,62,94,252,219,203,117,35,11,32,57,177,33,
   88,237,149,56,87,174,20,125,136,171,168, 68,175,74,165,71,134,139,48,27,166,
   77,146,158,231,83,111,229,122,60,211,133,230,220,105,92,41,55,46,245,40,244,
   102,143,54, 65,25,63,161, 1,216,80,73,209,76,132,187,208, 89,18,169,200,196,
   135,130,116,188,159,86,164,100,109,198,173,186, 3,64,52,217,226,250,124,123,
   5,202,38,147,118,126,255,82,85,212,207,206,59,227,47,16,58,17,182,189,28,42,
   223,183,170,213,119,248,152, 2,44,154,163, 70,221,153,101,155,167, 43,172,9,
   129,22,39,253, 19,98,108,110,79,113,224,232,178,185, 112,104,218,246,97,228,
   251,34,242,193,238,210,144,12,191,179,162,241, 81,51,145,235,249,14,239,107,
   49,192,214, 31,181,199,106,157,184, 84,204,176,115,121,50,45,127, 4,150,254,
   138,236,205,93,222,114,67,29,24,72,243,141,128,195,78,66,215,61,156,180
   }

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

• /github/workspace/code/foundation/math/noise.h