Particle system that handles creation, movement and visualization of particles. More...

#include <particles/ParticleSystem.h>

Collaboration diagram for particles::ParticleSystem:

Public Member Functions
	ParticleSystem ()
	Default constructor. More...

	ParticleSystem (std::string configFileName)
	Constructor that initializes the particle system according to given configuration file. More...

void	run ()
	Main simulation loop. More...

void	setup (ConfBlock &base)
	Set up the particle system according to configuration options. More...

virtual	~ParticleSystem ()
	Destructor. More...

Protected Member Functions
void	emitParticles ()
	Go over all emitters and emit new particles. More...

void	generateBlackBodyColorTable (float maxTemp)
	Generate a black body color table. More...

float	getTime (timeval &start, timeval &end)

void	updateParticles ()
	Go over all particles and update position, color and size. More...

Protected Attributes
float	alpha_
	Thermal conservation coefficient. More...

float	ambTemp_
	Ambient temperature. More...

std::vector< video::SColor >	bbColorTable_
	Black body color table. More...

float	beta_
	Thermal transferability coefficient. More...

IrrlichtDevice *	device_
	Irrlicht OpenGL device. More...

video::IVideoDriver *	drvr_
	Irrlicht OpenGL video driver. More...

bool	dynamicLights_

std::vector< Emitter >	emitters_
	Vector containing all emitters of the particle system. More...

std::vector< float >	gaussTable_
	Table of a precomputed Gaussian distribution. More...

core::vector3df	gravity_
	Vector of inversed gravity. More...

std::string	irrFileName_

float	k_
	Thermal expansion coefficient. More...

int	maxSteps_
	Total simulation timesteps. More...

int	numParticles_
	Total number of generated particles. More...

int	numSprites_
	Number of sprites assigned to each particle. More...

std::vector< core::aabbox3df >	obstacles_
	Vector of axis-aligned cuboid obstacles. More...

std::string	screenshots_

int	screenStep_

float	sizeBase_
	Basic particle size. More...

float	sizeVar_
	Variable particle size, multiplied with a factor depending on lifetime. More...

int	sizeX_
	Domain size in x-direction. More...

int	sizeY_
	Domain size in y-direction. More...

int	sizeZ_
	Domain size in z-direction. More...

scene::ISceneManager *	smgr_
	Irrlicht scene manager. More...

float	smokeTemp_
	Temperature threshold for a fire particle to turn into a smoke particle. More...

lbm::LBM< float >	solver_
	Lattice Boltzmann fluid solver. More...

std::vector< Sphere >	spheres_

std::vector< video::ITexture * >	textures_
	Vector of particle textures. More...

std::string	updFileName_

Detailed Description

Particle system that handles creation, movement and visualization of particles.

Irrlicht 3D engine is used for OpenGL visualization.

Definition at line 58 of file ParticleSystem.h.

Constructor & Destructor Documentation

particles::ParticleSystem::ParticleSystem ( )

inline

Default constructor.

Does nothing.

Definition at line 70 of file ParticleSystem.h.

particles::ParticleSystem::ParticleSystem ( std::string configFileName )

Constructor that initializes the particle system according to given configuration file.

Parameters

[in] configFileName Path to configuration file to parse

Definition at line 11 of file ParticleSystem.cpp.

References confparser::ConfParser::parse(), setup(), lbm::LBM< T >::setup(), and solver_.

virtual particles::ParticleSystem::~ParticleSystem ( )

inlinevirtual

Destructor.

Does nothing.

Definition at line 83 of file ParticleSystem.h.

Member Function Documentation

void particles::ParticleSystem::emitParticles ( )

inlineprotected

Go over all emitters and emit new particles.

Definition at line 651 of file ParticleSystem.cpp.

References bbColorTable_, device_, dynamicLights_, emitters_, numParticles_, numSprites_, sizeBase_, sizeVar_, smgr_, smokeTemp_, and textures_.

Referenced by run().

void particles::ParticleSystem::generateBlackBodyColorTable ( float maxTemp )

protected

Generate a black body color table.

Parameters

[in] maxTemp Maximum emitted particle temperature

Definition at line 688 of file ParticleSystem.cpp.

References bbColorTable_, smokeTemp_, and lbm::w.

Referenced by setup().

float particles::ParticleSystem::getTime	(	timeval &	start,
		timeval &	end
	)

inlineprotected

Definition at line 115 of file ParticleSystem.h.

Referenced by run().

void particles::ParticleSystem::run ( )

Main simulation loop.

Definition at line 414 of file ParticleSystem.cpp.

References device_, drvr_, emitParticles(), getTime(), irrFileName_, maxSteps_, numParticles_, numSprites_, lbm::LBM< T >::runStep(), screenshots_, screenStep_, smgr_, solver_, updateParticles(), and updFileName_.

Referenced by main().

void particles::ParticleSystem::setup ( ConfBlock & base )

Set up the particle system according to configuration options.

Parameters

[in] base Root block of the parsed configuration file

Definition at line 39 of file ParticleSystem.cpp.

References alpha_, ambTemp_, beta_, device_, drvr_, dynamicLights_, emitters_, confparser::ConfBlock::find(), confparser::ConfBlock::findAll(), gaussTable_, generateBlackBodyColorTable(), confparser::ConfBlock::getParam(), gravity_, irrFileName_, k_, maxSteps_, numSprites_, obstacles_, screenshots_, screenStep_, sizeBase_, sizeVar_, sizeX_, sizeY_, sizeZ_, smgr_, smokeTemp_, spheres_, textures_, and updFileName_.

Referenced by ParticleSystem().

void particles::ParticleSystem::updateParticles ( )

inlineprotected

Go over all particles and update position, color and size.

Definition at line 558 of file ParticleSystem.cpp.

References alpha_, ambTemp_, bbColorTable_, beta_, device_, emitters_, particles::FIRE, gaussTable_, lbm::LBM< T >::getVelocity(), gravity_, k_, numParticles_, obstacles_, sizeBase_, sizeVar_, sizeX_, sizeY_, sizeZ_, smokeTemp_, solver_, and spheres_.

Referenced by run().

Member Data Documentation

float particles::ParticleSystem::alpha_

protected

Thermal conservation coefficient.

Definition at line 146 of file ParticleSystem.h.

Referenced by setup(), and updateParticles().

float particles::ParticleSystem::ambTemp_

protected

Ambient temperature.

Definition at line 155 of file ParticleSystem.h.

Referenced by setup(), and updateParticles().

std::vector< video::SColor > particles::ParticleSystem::bbColorTable_

protected

Black body color table.

Definition at line 176 of file ParticleSystem.h.

Referenced by emitParticles(), generateBlackBodyColorTable(), and updateParticles().

float particles::ParticleSystem::beta_

protected

Thermal transferability coefficient.

Definition at line 149 of file ParticleSystem.h.

Referenced by setup(), and updateParticles().

IrrlichtDevice* particles::ParticleSystem::device_

protected

Irrlicht OpenGL device.

Definition at line 179 of file ParticleSystem.h.

Referenced by emitParticles(), run(), setup(), and updateParticles().

video::IVideoDriver* particles::ParticleSystem::drvr_

protected

Irrlicht OpenGL video driver.

Definition at line 185 of file ParticleSystem.h.

Referenced by run(), and setup().

bool particles::ParticleSystem::dynamicLights_

protected

Definition at line 201 of file ParticleSystem.h.

Referenced by emitParticles(), and setup().

std::vector< Emitter > particles::ParticleSystem::emitters_

protected

Vector containing all emitters of the particle system.

Definition at line 128 of file ParticleSystem.h.

Referenced by emitParticles(), setup(), and updateParticles().

std::vector<float> particles::ParticleSystem::gaussTable_

protected

Table of a precomputed Gaussian distribution.

Definition at line 173 of file ParticleSystem.h.

Referenced by setup(), and updateParticles().

core::vector3df particles::ParticleSystem::gravity_

protected

Vector of inversed gravity.

Definition at line 161 of file ParticleSystem.h.

Referenced by setup(), and updateParticles().

std::string particles::ParticleSystem::irrFileName_

protected

Definition at line 196 of file ParticleSystem.h.

Referenced by run(), and setup().

float particles::ParticleSystem::k_

protected

Thermal expansion coefficient.

Definition at line 158 of file ParticleSystem.h.

Referenced by setup(), and updateParticles().

int particles::ParticleSystem::maxSteps_

protected

Total simulation timesteps.

Definition at line 140 of file ParticleSystem.h.

Referenced by run(), and setup().

int particles::ParticleSystem::numParticles_

protected

Total number of generated particles.

Definition at line 143 of file ParticleSystem.h.

Referenced by emitParticles(), run(), and updateParticles().

int particles::ParticleSystem::numSprites_

protected

Number of sprites assigned to each particle.

Definition at line 170 of file ParticleSystem.h.

Referenced by emitParticles(), run(), and setup().

std::vector< core::aabbox3df > particles::ParticleSystem::obstacles_

protected

Vector of axis-aligned cuboid obstacles.

Definition at line 191 of file ParticleSystem.h.

Referenced by setup(), and updateParticles().

std::string particles::ParticleSystem::screenshots_

protected

Definition at line 198 of file ParticleSystem.h.

Referenced by run(), and setup().

int particles::ParticleSystem::screenStep_

protected

Definition at line 199 of file ParticleSystem.h.

Referenced by run(), and setup().

float particles::ParticleSystem::sizeBase_

protected

Basic particle size.

Definition at line 164 of file ParticleSystem.h.

Referenced by emitParticles(), setup(), and updateParticles().

float particles::ParticleSystem::sizeVar_

protected

Variable particle size, multiplied with a factor depending on lifetime.

Definition at line 167 of file ParticleSystem.h.

Referenced by emitParticles(), setup(), and updateParticles().

int particles::ParticleSystem::sizeX_

protected

Domain size in x-direction.

Definition at line 131 of file ParticleSystem.h.

Referenced by setup(), and updateParticles().

int particles::ParticleSystem::sizeY_

protected

Domain size in y-direction.

Definition at line 134 of file ParticleSystem.h.

Referenced by setup(), and updateParticles().

int particles::ParticleSystem::sizeZ_

protected

Domain size in z-direction.

Definition at line 137 of file ParticleSystem.h.

Referenced by setup(), and updateParticles().

scene::ISceneManager* particles::ParticleSystem::smgr_

protected

Irrlicht scene manager.

Definition at line 182 of file ParticleSystem.h.

Referenced by emitParticles(), run(), and setup().

float particles::ParticleSystem::smokeTemp_

protected

Temperature threshold for a fire particle to turn into a smoke particle.

Definition at line 152 of file ParticleSystem.h.

Referenced by emitParticles(), generateBlackBodyColorTable(), setup(), and updateParticles().

lbm::LBM<float> particles::ParticleSystem::solver_

protected

Lattice Boltzmann fluid solver.

Definition at line 125 of file ParticleSystem.h.

Referenced by ParticleSystem(), run(), and updateParticles().

std::vector< Sphere > particles::ParticleSystem::spheres_

protected

Definition at line 193 of file ParticleSystem.h.

Referenced by setup(), and updateParticles().

std::vector< video::ITexture* > particles::ParticleSystem::textures_

protected

Vector of particle textures.

Definition at line 188 of file ParticleSystem.h.

Referenced by emitParticles(), and setup().

std::string particles::ParticleSystem::updFileName_

protected

Definition at line 195 of file ParticleSystem.h.

Referenced by run(), and setup().

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

particles/ParticleSystem.h
particles/ParticleSystem.cpp

Public Member Functions

Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation