Simplex Class Reference

Inheritance diagram for Simplex:

Collaboration diagram for Simplex:

Public Member Functions
	__construct (Random $random, $octaves, $persistence, $expansion=1)
	getNoise3D ($x, $y, $z)
	getNoise2D ($x, $y)
Public Member Functions inherited from Perlin
	__construct (Random $random, $octaves, $persistence, $expansion=1)
	getNoise3D ($x, $y, $z)
	getNoise2D ($x, $y)
Public Member Functions inherited from Noise
	getNoise2D ($x, $z)
	getNoise3D ($x, $y, $z)
	noise2D ($x, $z, $normalized=false)
	noise3D ($x, $y, $z, $normalized=false)
	setOffset ($x, $y, $z)

Static Protected Member Functions
static	dot2D ($g, $x, $y)
static	dot3D ($g, $x, $y, $z)
static	dot4D ($g, $x, $y, $z, $w)

Protected Attributes
	$offsetW
Protected Attributes inherited from Noise
	$perm = []
	$offsetX = 0
	$offsetY = 0
	$offsetZ = 0
	$octaves = 8
	$persistence
	$expansion

Static Protected Attributes
static	$SQRT_3
static	$SQRT_5
static	$F2
static	$G2
static	$G22
static	$F3
static	$G3
static	$F4
static	$G4
static	$G42
static	$G43
static	$G44
static	$grad4
static	$simplex

Additional Inherited Members
Static Public Member Functions inherited from Noise
static	floor ($x)
static	fade ($x)
static	lerp ($x, $y, $z)
static	linearLerp ($x, $x1, $x2, $q0, $q1)
static	bilinearLerp ($x, $y, $q00, $q01, $q10, $q11, $x1, $x2, $y1, $y2)
static	trilinearLerp ($x, $y, $z, $q000, $q001, $q010, $q011, $q100, $q101, $q110, $q111, $x1, $x2, $y1, $y2, $z1, $z2)
static	grad ($hash, $x, $y, $z)
Static Public Attributes inherited from Perlin
static	$grad3

Detailed Description

Generates simplex-based noise.

This is a modified version of the freely published version in the paper by Stefan Gustavson at http://staffwww.itn.liu.se/~stegu/simplexnoise/simplexnoise.pdf

Field Documentation

$grad4

staticprotected

Initial value:

= [[0, 1, 1, 1], [0, 1, 1, -1], [0, 1, -1, 1], [0, 1, -1, -1],
        [0, -1, 1, 1], [0, -1, 1, -1], [0, -1, -1, 1], [0, -1, -1, -1],
        [1, 0, 1, 1], [1, 0, 1, -1], [1, 0, -1, 1], [1, 0, -1, -1],
        [-1, 0, 1, 1], [-1, 0, 1, -1], [-1, 0, -1, 1], [-1, 0, -1, -1],
        [1, 1, 0, 1], [1, 1, 0, -1], [1, -1, 0, 1], [1, -1, 0, -1],
        [-1, 1, 0, 1], [-1, 1, 0, -1], [-1, -1, 0, 1], [-1, -1, 0, -1],
        [1, 1, 1, 0], [1, 1, -1, 0], [1, -1, 1, 0], [1, -1, -1, 0],
        [-1, 1, 1, 0], [-1, 1, -1, 0], [-1, -1, 1, 0], [-1, -1, -1, 0]]

$simplex

staticprotected

Initial value:

= [
        [0, 1, 2, 3], [0, 1, 3, 2], [0, 0, 0, 0], [0, 2, 3, 1], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [1, 2, 3, 0],
        [0, 2, 1, 3], [0, 0, 0, 0], [0, 3, 1, 2], [0, 3, 2, 1], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [1, 3, 2, 0],
        [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0],
        [1, 2, 0, 3], [0, 0, 0, 0], [1, 3, 0, 2], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [2, 3, 0, 1], [2, 3, 1, 0],
        [1, 0, 2, 3], [1, 0, 3, 2], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [2, 0, 3, 1], [0, 0, 0, 0], [2, 1, 3, 0],
        [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0],
        [2, 0, 1, 3], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [3, 0, 1, 2], [3, 0, 2, 1], [0, 0, 0, 0], [3, 1, 2, 0],
        [2, 1, 0, 3], [0, 0, 0, 0], [0, 0, 0, 0], [0, 0, 0, 0], [3, 1, 0, 2], [0, 0, 0, 0], [3, 2, 0, 1], [3, 2, 1, 0]]

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

• src/pocketmine/level/generator/noise/Simplex.php