lux::Cloud Class Reference

#include <cloud.h>

Inheritance diagram for lux::Cloud:

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Collaboration diagram for lux::Cloud:

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List of all members.

Public Member Functions
	Cloud (const RGBColor &sa, const RGBColor &ss, float gg, const RGBColor &emit, const BBox &e, const float &r, const Transform &v2w, const float &noiseScale, const float &t, const float &sharp, const float &v, const float &baseflatness, const int &octaves, const float &o, const float &offSet, const int &numspheres, const float &spheresize)
virtual	~Cloud ()
virtual bool	IntersectP (const Ray &r, float *t0, float *t1) const
virtual BBox	WorldBound () const
virtual float	Density (const Point &p) const
Static Public Member Functions
static VolumeRegion *	CreateVolumeRegion (const Transform &volume2world, const ParamSet &params)
Private Member Functions
bool	SphereFunction (const Point &p) const
float	CloudShape (const Point &p) const
float	NoiseMask (const Point &p) const
Vector	Turbulence (const Point p, float noiseScale, int octaves) const
Vector	Turbulence (const Vector &v, float &noiseScale, int &octaves) const
float	CloudNoise (Point p, const float &omegaValue, int octaves) const
Private Attributes
BBox	extent
Vector	scale
Point *	sphereCentre
float	inputRadius
float	radius
bool	cumulus
int	numSpheres
float	sphereSize
CumulusSphere *	spheres
float	baseFadeDistance
float	sharpness
float	baseFlatness
float	variability
float	omega
float	firstNoiseScale
float	noiseOffSet
float	turbulenceAmount
int	numOctaves

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Detailed Description

Definition at line 43 of file cloud.h.

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Constructor & Destructor Documentation

lux::Cloud::Cloud	(	const RGBColor &	sa,
		const RGBColor &	ss,
		float	gg,
		const RGBColor &	emit,
		const BBox &	e,
		const float &	r,
		const Transform &	v2w,
		const float &	noiseScale,
		const float &	t,
		const float &	sharp,
		const float &	v,
		const float &	baseflatness,
		const int &	octaves,
		const float &	o,
		const float &	offSet,
		const int &	numspheres,
		const float &	spheresize
	)

Definition at line 87 of file cloud.h.

References baseFadeDistance, baseFlatness, cumulus, extent, firstNoiseScale, inputRadius, noiseOffSet, numSpheres, lux::BBox::pMax, lux::BBox::pMin, radius, cimg_library::cimg::rand(), lux::RotateY(), lux::RotateZ(), lux::CumulusSphere::setPosition(), lux::CumulusSphere::setRadius(), sphereCentre, spheres, sphereSize, cimg_library::cimg::srand(), Turbulence(), turbulenceAmount, lux::Vector::x, lux::Point::x, lux::Vector::y, lux::Point::y, lux::Vector::z, and lux::Point::z.

Referenced by CreateVolumeRegion().

virtual lux::Cloud::~Cloud

(

)

[inline, virtual]

Definition at line 50 of file cloud.h.

References sphereCentre, and spheres.

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Member Function Documentation

float lux::Cloud::CloudNoise	(	Point	p,
		const float &	omegaValue,
		int	octaves
	)			const [private]

Definition at line 231 of file cloud.h.

References lux::Noise().

Referenced by NoiseMask(), and Turbulence().

float lux::Cloud::CloudShape

(

const Point &

p

)

const [private]

Definition at line 188 of file cloud.h.

References baseFadeDistance, cimg_library::cos(), cumulus, lux::Vector::Length(), radius, sphereCentre, SphereFunction(), lux::Point::x, lux::Point::y, and lux::Point::z.

Referenced by Density().

VolumeRegion * Cloud::CreateVolumeRegion	(	const Transform &	volume2world,
		const ParamSet &	params
	)			[static]

Definition at line 31 of file cloud.cpp.

References Cloud(), lux::ParamSet::FindOneFloat(), lux::ParamSet::FindOneInt(), lux::ParamSet::FindOnePoint(), lux::ParamSet::FindOneRGBColor(), lux::DensityRegion::g, numSpheres, omega, radius, sharpness, lux::DensityRegion::sigma_a(), lux::DensityRegion::sigma_s(), and variability.

float lux::Cloud::Density

(

const Point &

p

)

const [virtual]

Implements lux::DensityRegion.

Definition at line 140 of file cloud.h.

References CloudShape(), extent, firstNoiseScale, lux::BBox::Inside(), numOctaves, cimg_library::pow(), sharpness, Turbulence(), and turbulenceAmount.

virtual bool lux::Cloud::IntersectP	(	const Ray &	r,
		float *	t0,
		float *	t1
	)			const [inline, virtual]

Implements lux::VolumeRegion.

Definition at line 55 of file cloud.h.

References extent, lux::BBox::IntersectP(), and lux::DensityRegion::WorldToVolume.

float lux::Cloud::NoiseMask

(

const Point &

p

)

const [private]

Definition at line 217 of file cloud.h.

References CloudNoise(), omega, and radius.

Referenced by Turbulence().

bool lux::Cloud::SphereFunction

(

const Point &

p

)

const [private]

Definition at line 222 of file cloud.h.

References numSpheres, and spheres.

Referenced by CloudShape().

Vector lux::Cloud::Turbulence	(	const Vector &	v,
		float &	noiseScale,
		int &	octaves
	)			const [private]

Definition at line 183 of file cloud.h.

References Turbulence(), lux::Vector::x, lux::Vector::y, and lux::Vector::z.

Vector lux::Cloud::Turbulence	(	const Point	p,
		float	noiseScale,
		int	octaves
	)			const [private]

Definition at line 151 of file cloud.h.

References baseFadeDistance, CloudNoise(), NoiseMask(), noiseOffSet, omega, sphereCentre, variability, lux::Vector::x, lux::Point::x, lux::Vector::y, lux::Point::y, lux::Vector::z, and lux::Point::z.

Referenced by Cloud(), Density(), and Turbulence().

virtual BBox lux::Cloud::WorldBound

(

)

const [inline, virtual]

Implements lux::VolumeRegion.

Definition at line 59 of file cloud.h.

References extent, lux::Transform::GetInverse(), and lux::DensityRegion::WorldToVolume.

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Member Data Documentation

float lux::Cloud::baseFadeDistance [private]

Definition at line 82 of file cloud.h.

Referenced by Cloud(), CloudShape(), and Turbulence().

float lux::Cloud::baseFlatness [private]

Definition at line 82 of file cloud.h.

Referenced by Cloud().

bool lux::Cloud::cumulus [private]

Definition at line 77 of file cloud.h.

Referenced by Cloud(), and CloudShape().

BBox lux::Cloud::extent [private]

Definition at line 72 of file cloud.h.

Referenced by Cloud(), Density(), IntersectP(), and WorldBound().

float lux::Cloud::firstNoiseScale [private]

Definition at line 83 of file cloud.h.

Referenced by Cloud(), and Density().

float lux::Cloud::inputRadius [private]

Definition at line 75 of file cloud.h.

Referenced by Cloud().

float lux::Cloud::noiseOffSet [private]

Definition at line 83 of file cloud.h.

Referenced by Cloud(), and Turbulence().

int lux::Cloud::numOctaves [private]

Definition at line 84 of file cloud.h.

Referenced by Density().

int lux::Cloud::numSpheres [private]

Definition at line 78 of file cloud.h.

Referenced by Cloud(), CreateVolumeRegion(), and SphereFunction().

float lux::Cloud::omega [private]

Definition at line 83 of file cloud.h.

Referenced by CreateVolumeRegion(), NoiseMask(), and Turbulence().

float lux::Cloud::radius [private]

Definition at line 75 of file cloud.h.

Referenced by Cloud(), CloudShape(), CreateVolumeRegion(), and NoiseMask().

Vector lux::Cloud::scale [private]

Definition at line 73 of file cloud.h.

float lux::Cloud::sharpness [private]

Definition at line 82 of file cloud.h.

Referenced by CreateVolumeRegion(), and Density().

Point* lux::Cloud::sphereCentre [private]

Definition at line 74 of file cloud.h.

Referenced by Cloud(), CloudShape(), Turbulence(), and ~Cloud().

CumulusSphere* lux::Cloud::spheres [private]

Definition at line 80 of file cloud.h.

Referenced by Cloud(), SphereFunction(), and ~Cloud().

float lux::Cloud::sphereSize [private]

Definition at line 79 of file cloud.h.

Referenced by Cloud().

float lux::Cloud::turbulenceAmount [private]

Definition at line 83 of file cloud.h.

Referenced by Cloud(), and Density().

float lux::Cloud::variability [private]

Definition at line 82 of file cloud.h.

Referenced by CreateVolumeRegion(), and Turbulence().

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

• cloud.h
• cloud.cpp