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Perlin Class Reference

#include <perlin.H>

Collaboration diagram for Perlin:

Collaboration graph
[legend]
List of all members.

Public Member Functions

 Perlin ()
virtual ~Perlin ()
TEXTUREglptr create_perlin_texture3 (int tex_stage=TexUnit::PERLIN)
TEXTUREglptr create_perlin_texture2 (int tex_stage=TexUnit::PERLIN)
Vec4 noise1 (double x)
Vec4 noise2 (double x, double y)
Vec4 noise3 (double x, double y, double z)
Vec4 noise4 (double x, double y, double z, double t)
double getval_1D (int freq, double x, unsigned int seed)
double getval_2D (int freq, double x, double y, unsigned int seed)
double getval_3D (int freq, double x, double y, double z, unsigned int seed)
double getval_4D (int freq, double x, double y, double z, double t, unsigned int seed)

Static Public Member Functions

static Perlin * get_instance ()

Protected Member Functions

double noise (unsigned int input)
double cubic (double v0, double v1, double v2, double v3, double t)
double frac (double)

Protected Attributes

TEXTUREglptr perlin2d_tex
TEXTUREglptr perlin3d_tex
Perlin * _previous_instance

Static Protected Attributes

static Perlin * _instance = 0

Detailed Description

Definition at line 23 of file perlin.H.

Constructor & Destructor Documentation

Perlin::Perlin (   ) 
 

Definition at line 16 of file perlin.C.

References _instance, _previous_instance, perlin2d_tex, and perlin3d_tex.

Perlin::~Perlin (   )  [virtual]
 

Definition at line 31 of file perlin.C.

References _instance, and _previous_instance.

Member Function Documentation

TEXTUREglptr Perlin::create_perlin_texture2 (  int  tex_stage = TexUnit::PERLIN  ) 
 

Definition at line 353 of file perlin.C.

References getval_2D(), GL_LINEAR, GL_REPEAT, GL_RGBA, GL_TEXTURE0, GL_TEXTURE_2D, GL_UNSIGNED_BYTE, glTexImage2D(), j, perlin2d_tex, SEED_1, SEED_2, SEED_3, and SEED_4.

Referenced by HalftoneShaderEx::init_textures(), and HalftoneShader::init_textures().

TEXTUREglptr Perlin::create_perlin_texture3 (  int  tex_stage = TexUnit::PERLIN  ) 
 

Definition at line 238 of file perlin.C.

References getval_3D(), GL_LINEAR, GL_REPEAT, GL_RGBA, GL_TEXTURE0, GL_TEXTURE_3D, GL_UNSIGNED_BYTE, glTexImage3D, j, perlin3d_tex, GL_VIEW::print_gl_errors(), SEED_1, SEED_2, SEED_3, and SEED_4.

Referenced by GLSLMarbleShader::init_textures().

double Perlin::cubic (  double  v0,
double  v1,
double  v2,
double  v3,
double  t
)  [inline, protected]
 

Definition at line 90 of file perlin.C.

Referenced by getval_1D(), getval_2D(), getval_3D(), and getval_4D().

double Perlin::frac (  double   )  [inline, protected]
 

Definition at line 101 of file perlin.C.

Referenced by getval_1D(), getval_2D(), getval_3D(), getval_4D(), noise1(), noise2(), noise3(), and noise4().

static Perlin* Perlin::get_instance (   )  [inline, static]
 

Definition at line 54 of file perlin.H.

References _instance.

Referenced by GLSLMarbleShader::GLSLMarbleShader(), HalftoneShader::HalftoneShader(), and HalftoneShaderEx::HalftoneShaderEx().

double Perlin::getval_1D (  int  freq,
double  x,
unsigned int  seed
)  [inline]
 

Definition at line 126 of file perlin.C.

References cubic(), frac(), int(), and noise().

Referenced by getval_2D(), and noise1().

double Perlin::getval_2D (  int  freq,
double  x,
double  y,
unsigned int  seed
)  [inline]
 

Definition at line 146 of file perlin.C.

References cubic(), frac(), getval_1D(), and int().

Referenced by create_perlin_texture2(), getval_3D(), and noise2().

double Perlin::getval_3D (  int  freq,
double  x,
double  y,
double  z,
unsigned int  seed
)  [inline]
 

Definition at line 167 of file perlin.C.

References cubic(), frac(), getval_2D(), and int().

Referenced by create_perlin_texture3(), getval_4D(), and noise3().

double Perlin::getval_4D (  int  freq,
double  x,
double  y,
double  z,
double  t,
unsigned int  seed
) 
 

Definition at line 189 of file perlin.C.

References cubic(), frac(), getval_3D(), and int().

Referenced by noise4().

double Perlin::noise (  unsigned int  input  )  [inline, protected]
 

Definition at line 62 of file perlin.C.

Referenced by getval_1D().

Vec4 Perlin::noise1 (  double  x  ) 
 

Definition at line 461 of file perlin.C.

References frac(), getval_1D(), NUM_OCTAVES, PRESISTANCE, SEED_1, SEED_2, SEED_3, SEED_4, and START_FREQ.

Vec4 Perlin::noise2 (  double  x,
double  y
) 
 

Definition at line 484 of file perlin.C.

References frac(), getval_2D(), NUM_OCTAVES, PRESISTANCE, SEED_1, SEED_2, SEED_3, SEED_4, and START_FREQ.

Vec4 Perlin::noise3 (  double  x,
double  y,
double  z
) 
 

Definition at line 508 of file perlin.C.

References frac(), getval_3D(), NUM_OCTAVES, PRESISTANCE, SEED_1, SEED_2, SEED_3, SEED_4, and START_FREQ.

Vec4 Perlin::noise4 (  double  x,
double  y,
double  z,
double  t
) 
 

Definition at line 534 of file perlin.C.

References frac(), getval_4D(), NUM_OCTAVES, PRESISTANCE, SEED_1, SEED_2, SEED_3, SEED_4, and START_FREQ.

Member Data Documentation

Perlin * Perlin::_instance = 0 [static, protected]
 

Definition at line 68 of file perlin.H.

Referenced by get_instance(), Perlin(), and ~Perlin().

Perlin* Perlin::_previous_instance [protected]
 

Definition at line 72 of file perlin.H.

Referenced by Perlin(), and ~Perlin().

TEXTUREglptr Perlin::perlin2d_tex [protected]
 

Definition at line 65 of file perlin.H.

Referenced by create_perlin_texture2(), and Perlin().

TEXTUREglptr Perlin::perlin3d_tex [protected]
 

Definition at line 66 of file perlin.H.

Referenced by create_perlin_texture3(), and Perlin().

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