hmap::FbmFunction Class Reference

Fractional Brownian Motion (FBM) function class. More...

#include <functions.hpp>

Inheritance diagram for hmap::FbmFunction:

Collaboration diagram for hmap::FbmFunction:

Public Member Functions
	FbmFunction (std::unique_ptr< NoiseFunction > p_base, int octaves, float weight, float persistence, float lacunarity)
	Construct a new Fbm Function object.
Public Member Functions inherited from hmap::GenericFractalFunction
	GenericFractalFunction (std::unique_ptr< NoiseFunction > p_base, int octaves, float weight, float persistence, float lacunarity)
	Construct a new GenericFractalFunction object.
void	set_kw (Vec2< float > new_kw) override
	Set the frequency scaling vector.
void	set_lacunarity (float new_lacunarity)
	Set the lacunarity of the fractal noise.
void	set_octaves (int new_octaves)
	Set the number of octaves in the fractal noise.
void	set_persistence (float new_persistence)
	Set the persistence of the fractal noise.
void	set_seed (uint new_seed) override
	Set a new random seed for the noise generation.
void	scale_amp0 (float scale)
	Scale the initial amplitude of the fractal noise.
float	get_lacunarity () const
	Get the lacunarity of the fractal noise.
int	get_octaves () const
	Get the number of octaves in the fractal noise.
float	get_persistence () const
	Get the persistence of the fractal noise.
float	get_weight () const
	Get the weight of the fractal noise.
Public Member Functions inherited from hmap::NoiseFunction
	NoiseFunction ()
	Default constructor. Initializes with default frequency scaling and seed.
	NoiseFunction (Vec2< float > kw)
	Constructor to initialize with specific frequency scaling.
	NoiseFunction (Vec2< float > kw, uint seed)
	Constructor to initialize with specific frequency scaling and seed.
Vec2< float >	get_kw () const
	Get the frequency scaling vector.
uint	get_seed () const
	Get the random seed.
Public Member Functions inherited from hmap::Function
	Function ()
	Default constructor. Initializes the delegate function to a default that returns 0.
virtual	~Function ()=default
	Virtual destructor to ensure proper cleanup in derived classes.
	Function (HMAP_FCT_XY_TYPE delegate)
	Constructor to initialize with a specific delegate function.
HMAP_FCT_XY_TYPE	get_delegate () const
	Get the current delegate function.
float	get_value (float x, float y, float ctrl_param) const
	Call the delegate function with given arguments.
void	set_delegate (HMAP_FCT_XY_TYPE new_delegate)
	Set a new delegate function.

Additional Inherited Members
Protected Member Functions inherited from hmap::GenericFractalFunction
void	update_amp0 ()
	Update the initial amplitude (amp0) based on the current octaves and persistence.
Protected Attributes inherited from hmap::GenericFractalFunction
std::unique_ptr< NoiseFunction >	p_base
	Unique pointer to the base noise function.
int	octaves
	Number of octaves in the fractal noise.
float	weight
	Weight of the base noise function.
float	persistence
	Persistence of the fractal noise.
float	lacunarity
	Lacunarity of the fractal noise.
float	amp0
	Initial amplitude of the fractal noise.
Protected Attributes inherited from hmap::NoiseFunction
Vec2< float >	kw
	Frequency scaling vector.
uint	seed
	Random seed for noise generation.

Detailed Description

Fractional Brownian Motion (FBM) function class.

Constructor & Destructor Documentation

FbmFunction()

hmap::FbmFunction::FbmFunction	(	std::unique_ptr< NoiseFunction >	p_base,
		int	octaves,
		float	weight,
		float	persistence,
		float	lacunarity
	)

Construct a new Fbm Function object.

Parameters

p_base	Unique pointer to the base noise function.
octaves	Number of octaves.
weight	Octave weighting.
persistence	Octave persistence.
lacunarity	Defines the wavenumber ratio between each octave.

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

• HighMap/include/highmap/functions.hpp
• HighMap/src/primitives/functions/fbm_functions.cpp