Noise Class Reference

#include <noise.h>

List of all members.

Public Member Functions
double	get_noise (const Point3D &point) const
	Noise (int seed)
	Create noise with specified seed.
	Noise ()
	Create noise with default seed.
Protected Member Functions
void	init_noise (int seed)
	Initialize noise matrix.
Protected Attributes
int	m_noiseMatrix [MAX_NOISE][MAX_NOISE][MAX_NOISE]

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Detailed Description

Definition at line 12 of file noise.h.

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Constructor & Destructor Documentation

Noise::Noise

(

)

[inline]

Create noise with default seed.

Definition at line 17 of file noise.h.

References init_noise().

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Noise::Noise

(

int

seed

)

[inline]

Create noise with specified seed.

Definition at line 20 of file noise.h.

References init_noise().

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Member Function Documentation

double Noise::get_noise

(

const Point3D &

point

)

const

Calculate noise value at given point in space.

Based on a Pascal interpretation of 1985 Perlin noise function, which in turn was based on Alan Watt's Fundamentals of Three- Dimensional Computer Graphics.

Definition at line 41 of file noise.cpp.

References m_noiseMatrix, MAX_NOISE, Point3D::x, Point3D::y, and Point3D::z.

Referenced by NoiseMaterial::choose_material(), MarbleMaterial::get_color(), MarbleMaterial::get_diffuse(), MarbleMaterial::get_opacity(), MarbleMaterial::get_reflection(), MarbleMaterial::get_reflectivity(), and MarbleMaterial::get_refraction_index().

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void Noise::init_noise

(

int

seed

)

[protected]

Initialize noise matrix.

Definition at line 6 of file noise.cpp.

References m_noiseMatrix, and MAX_NOISE.

Referenced by Noise().

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Member Data Documentation

int Noise::m_noiseMatrix[MAX_NOISE][MAX_NOISE][MAX_NOISE] [protected]

Noise matrix. Hold random values. Exact noise value is interpolated from the values in this matrix.

Definition at line 35 of file noise.h.

Referenced by get_noise(), and init_noise().

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

• common/noise.h
• src/noise.cpp

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