DtParticleSystem is implementation of the particle system, vrvOsg communicates with it via DtParticleSystemModelInstance and DtParticleSystemModel.

Inheritance diagram for makVrv::DtFxParticleSystem:

[legend]

Classes
struct	ParticleSortLocation

Public Types
enum	DebugFlags { Lights = 0x00000001, Forces = 0x00000010, Force3DVectors = 0x00000100, Force2DVectors = 0x00001000, BoundingBoxes = 0x00010000, Objects = 0x00100000, Velocities = 0x01000000, All = Lights \| Forces \| Force2DVectors \| BoundingBoxes \| Objects \| Velocities }

Public Member Functions
	DtFxParticleSystem (DtFxParticleSystemManager manager, DtFxParticleDesc desc)

virtual	~DtFxParticleSystem (void)

virtual void	set_position (double x, double y, double z)

virtual void	get_position (double x, double y, double *z)

virtual void	set_position (int subemitter, double x, double y, double z)

virtual void	set_position (const bdiFarPosition &pos)

virtual const bdiFarPosition &	get_position (void)

virtual void	reset_prev_position_next_update ()

virtual void	set_rotation (float angle, float x, float y, float z)

virtual void	set_orientation_dir (const bdiVec3f &orient)

virtual void	set_orientation (float *orientation)

virtual void	set_orientation (const bdiMat4f &orientationMat)

virtual int	update (float fElapsedTime)

float	get_age ()

virtual void	prep_vbo_for_rendering ()

virtual void	render_debug_visuals (osg::RenderInfo &renderInfo, int flags)

virtual void	render_collision_objects (osg::RenderInfo &renderInfo)

virtual void	sort_system (const bdiFarPosition &eyePos)

virtual void	restart_particle_system (void)

virtual void	set_desc (bdiParticleDesc *desc)

virtual bdiParticleDesc *	get_desc ()

virtual void	stop_emitting ()

virtual void	start_emitting ()

virtual void	pause_emitting ()

virtual int	get_emitting ()

virtual int	get_active_count ()

virtual void	stop_all_particles ()

virtual bool	isEmitTimeInfinite () const

const bdiOctTreeBoundingBox &	get_bounding_box ()

bool	is_visible ()

bool	is_visible (const bdiCameraFrustum *frustum)

virtual void	set_scale (float scale)

virtual void	set_scale (float scale_x, float scale_y, float scale_z)

virtual void	set_scale (const bdiVec3f &scale)

virtual const bdiVec3f &	get_scale ()

virtual void	set_time_scale (float t)

virtual void	setIntensity (float intensity)

virtual float	intensity () const

virtual void	setIsRotorWash (bool scaleVortexLift)

virtual bool	isRotorWash () const

virtual void	setRotorDiameter (double diameter)

virtual double	rotorDiameter () const

virtual void	setRotorWindSpeed (double speed)

virtual double	rotorWindSpeed () const

virtual void	set_name (const char *name)

virtual const char *	get_name ()

virtual bdiLight *	get_light_object ()

virtual void	setRandomSeed (unsigned int value)

virtual void	setCameraDistance (float distance)

virtual float	cameraDistance ()

virtual void	addChildSystem (DtFxParticleSystem *child, float time_offset)

virtual void	removeChildSystem (DtFxParticleSystem *child)

virtual void	clearParent ()

virtual void	set_vbo_start_index (int index)

virtual int	get_vbo_start_index ()

virtual bool	get_sort_system ()

virtual const bdiVec3f &	get_velocity ()

virtual void	set_wind (const bdiVec3f &wind)

virtual void	addGlobalForces ()

virtual void	removeGlobalForces ()

virtual int	artPartOverride ()

virtual const bdiVec3f &	artPartOffset ()

virtual void	pauseUpdate ()

virtual void	resumeUpdate ()

virtual bool	paused ()

virtual void	restart_merged_system ()

virtual void	setAttachedModel (DtOsgArticulatedModel *model)

virtual int	getNumGlobalForces ()

virtual DtFxForceInterface *	getGlobalForce (int index)

void	setIsPreviewSystem ()

void	setSortParticles (bool sort)

virtual void	recompileScripts ()

exprtk::symbol_table< float > &	symbolTable ()


bdiFarPosition *	positionPtr ()

float *	systemScalePtr ()

float *	systemIntensityPtr ()

const DtOsgArticulatedModel *	attachedModel () const

std::vector < DtFxParticleSystem * > &	getChildSystems ()

DtFxParticleDesc *	desc ()

DtFxParticleDrawDesc &	currentDrawDesc ()

const bdiMat4f &	geocentricMat () const

const bdiMat4f &	geocentricMatInv () const

Protected Member Functions
virtual void	emit_particles (float quantum)

virtual void	update_appearance (int start_index)

virtual void	update_physics (float quantum, int start_index)

virtual void	render_emitter (bdiVec3fArray &verts, bdiVec4fArray &colors, const bdiVec3f &emitter_pos)

virtual void	prepCurrentForcesAndObjects ()

void	add_force_visual (const bdiFarPosition &camPos, bool has_geo, const bdiVec3f &upVec, DtFxParticle &particle, bdiVec3fArray &verts, bdiVec4fArray &colors)

Protected Attributes
std::string	m_name

DtFxParticleDesc *	m_desc

std::vector< DtFxParticle >	m_active_list

std::vector< ParticleSortLocation >	m_sorted_list

int	m_active_count

int	m_active_count_at_stop

bool	m_emitting

float	m_auto_start_time

float	m_time_since_stopping

float	m_time_since_update

float	m_time_scale

float	m_next_release_time

float	m_last_release_time

float	m_next_release_freq

bdiFarPosition	m_position

bdiFarPosition	m_prev_position

bdiFarPosition	m_last_geocentric_postion

bdiVec3f	m_velocity

bdiMat4f	myGeocentricMat

bdiMat4f	myGeocentricMatInv

float	mySystemIntensity

bool	myIsRotorWash

float	myRotorDiameter

float	myRotorWindSpeed

int	m_restart_count

bool	m_restarted_system

int	m_last_particle_index_used_for_emission

bool	m_reset_prev_position_next_update

bdiVec3f	m_scale

int	m_rotate_system

bdiMat4f	m_orientation

bdiVec3f	m_spawn_velocity_factor

bdiMat4f	m_current_orientation

float	m_system_scale

bdiVec3f	m_wind

float	m_max_size

bdiOctTreeBoundingBox	m_bounding_box

std::vector< const DtFxForce * >	myCurrentForces

std::vector< bdiFarPosition >	myCurrentForcePositions

std::vector< const DtFxCollisionObject * >	myCurrentCollisionObjects

std::vector< bdiVec3f >	myCurrentPlaneNormals

std::vector< bdiFarPosition >	myEmitterPositions

bdiLight *	m_light_object

float	m_camera_distance

bool	m_add_light

bool	m_sort_particles

bool	m_has_valid_position

bool	m_is_preview_system

int	m_vbo_start_index

DtFxParticleSystem *	m_parent_system

std::vector< DtFxParticleSystem * >	m_child_systems

DtFxParticleDrawDesc	myCurrentDrawDesc

bool	myPaused

DtLight *	myVrvLight

DtRandomNumberGenerator	myRandomNumberGen

DtOsgArticulatedModel *	myAttachedModel

DtFxForceArray	m_global_forces

DtFxScriptData	mySizeScript

DtFxScriptData	myLifetimeScript

DtFxScriptData	myReleaseRateScript

DtFxScriptData	myStreakScript

DtFxScriptData	myColorScript

DtFxScriptData	myRotationSpeedScript

DtFxScriptData	myVelocityScript

bool	myActiveScripts

bool	mySlavedPositions

exprtk::symbol_table< float >	mySymbolTable

float	myScriptNumParticles

float	myScriptParticleSpeed

float	myScriptParticleIndex

float	myScriptParticleAge

float	myScriptParticleNormalizedAge

float	myScriptSystemSpeed

float	myScriptSystemForceReceived

float	myScriptSystemWindSpeed

float	myScriptInputValue

float	myScriptCurrentValue

bdiVec4f	myScriptRGBA

bdiVec3f	myScriptXYZ

Member Enumeration Documentation

enum makVrv::DtFxParticleSystem::DebugFlags

Enumerator
Lights
Forces
Force3DVectors
Force2DVectors
BoundingBoxes
Objects
Velocities
All

Constructor & Destructor Documentation

makVrv::DtFxParticleSystem::DtFxParticleSystem	(	DtFxParticleSystemManager *	manager,
		DtFxParticleDesc *	desc
	)

CTOR.

virtual makVrv::DtFxParticleSystem::~DtFxParticleSystem ( void )

virtual

DTOR.

Member Function Documentation

virtual void makVrv::DtFxParticleSystem::set_position	(	double	x,
		double	y,
		double	z
	)

virtual

note includes the xform from vrv to diguy

virtual void makVrv::DtFxParticleSystem::get_position	(	double *	x,
		double *	y,
		double *	z
	)

virtual

doesn't include diguy to vrv xform but don't think it's used

virtual void makVrv::DtFxParticleSystem::set_position	(	int	subemitter,
		double	x,
		double	y,
		double	z
	)

virtual

note includes the xform from vrv to diguy

virtual void makVrv::DtFxParticleSystem::set_position ( const bdiFarPosition & pos )

virtual

compatibility with diguy sdk

virtual const bdiFarPosition& makVrv::DtFxParticleSystem::get_position ( void )

virtual

gets position

virtual void makVrv::DtFxParticleSystem::reset_prev_position_next_update ( )

virtual

called after starting the system

virtual void makVrv::DtFxParticleSystem::set_rotation	(	float	angle,
		float	x,
		float	y,
		float	z
	)

virtual

quat representation of rotation, this is the main API VRV uses

virtual void makVrv::DtFxParticleSystem::set_orientation_dir ( const bdiVec3f & orient )

virtual

unuse diguy sdk support

virtual void makVrv::DtFxParticleSystem::set_orientation ( float * orientation )

virtual

unused diguy sdk support

virtual void makVrv::DtFxParticleSystem::set_orientation ( const bdiMat4f & orientationMat )

virtual

used for child systems

virtual int makVrv::DtFxParticleSystem::update ( float fElapsedTime )

virtual

updates the psystem time

float makVrv::DtFxParticleSystem::get_age ( )

age of the particle system

virtual void makVrv::DtFxParticleSystem::prep_vbo_for_rendering ( )

virtual

renders the particle system

virtual void makVrv::DtFxParticleSystem::render_debug_visuals	(	osg::RenderInfo &	renderInfo,
		int	flags
	)

virtual

draws other helper visuals

virtual void makVrv::DtFxParticleSystem::render_collision_objects ( osg::RenderInfo & renderInfo )

virtual

renders the collision planes

virtual void makVrv::DtFxParticleSystem::sort_system ( const bdiFarPosition & eyePos )

virtual

sorts the system based on the distance to the eye

virtual void makVrv::DtFxParticleSystem::restart_particle_system ( void )

virtual

restart the particle system and resets state

virtual void makVrv::DtFxParticleSystem::set_desc ( bdiParticleDesc * desc )

virtual

sets the current description to use

virtual bdiParticleDesc* makVrv::DtFxParticleSystem::get_desc ( )

virtual

gets the particlription

virtual void makVrv::DtFxParticleSystem::stop_emitting ( )

virtual

stops the system emitting

virtual void makVrv::DtFxParticleSystem::start_emitting ( )

virtual

starts the system emitting

virtual void makVrv::DtFxParticleSystem::pause_emitting ( )

inlinevirtual

unsupported it's the same as stop

virtual int makVrv::DtFxParticleSystem::get_emitting ( )

virtual

is the system currently emitting

virtual int makVrv::DtFxParticleSystem::get_active_count ( )

virtual

how many particles does the system have

virtual void makVrv::DtFxParticleSystem::stop_all_particles ( )

virtual

needed for diguy api compatibility. clears all particles in the system

virtual bool makVrv::DtFxParticleSystem::isEmitTimeInfinite ( ) const

virtual

does the system emit forever

const bdiOctTreeBoundingBox& makVrv::DtFxParticleSystem::get_bounding_box ( )

gets the current bounding box, might have precision issues in geocentric

bool makVrv::DtFxParticleSystem::is_visible ( )

unused

bool makVrv::DtFxParticleSystem::is_visible ( const bdiCameraFrustum * frustum )

unused

virtual void makVrv::DtFxParticleSystem::set_scale ( float scale )

virtual

unused

virtual void makVrv::DtFxParticleSystem::set_scale	(	float	scale_x,
		float	scale_y,
		float	scale_z
	)

virtual

unused

virtual void makVrv::DtFxParticleSystem::set_scale ( const bdiVec3f & scale )

virtual

unused

virtual const bdiVec3f& makVrv::DtFxParticleSystem::get_scale ( )

virtual

unused

virtual void makVrv::DtFxParticleSystem::set_time_scale ( float t )

virtual

scales the systems time

virtual void makVrv::DtFxParticleSystem::setIntensity ( float intensity )

virtual

Multiply age of particles so they appear to fade out faster 1 -> original system, -0 -> particles fade out immediately.

virtual float makVrv::DtFxParticleSystem::intensity ( ) const

virtual

Retrieve the current intensity of the particle system.

virtual void makVrv::DtFxParticleSystem::setIsRotorWash ( bool scaleVortexLift )

virtual

For rotorwash type effects, set whether the vortex lift force will scale it's force down and expand it's radius up depending on the intensity of the particle system.

virtual bool makVrv::DtFxParticleSystem::isRotorWash ( ) const

virtual

For rotorwash type effects, get whether vortex lift force/radius is scaled based on intensity of the effect.

virtual void makVrv::DtFxParticleSystem::setRotorDiameter ( double diameter )

virtual

For rotorwash type effects, set the diameter of the helicoper rotor blades (rotor disk)

virtual double makVrv::DtFxParticleSystem::rotorDiameter ( ) const

virtual

For rotorwash type effects, get the diameter of the helicoper rotor blades (rotor disk)

virtual void makVrv::DtFxParticleSystem::setRotorWindSpeed ( double speed )

virtual

For rotorwash type effects, set the speed of the helicoper rotor blade rotation.

virtual double makVrv::DtFxParticleSystem::rotorWindSpeed ( ) const

virtual

For rotorwash type effects, get the speed of the helicoper rotor blade rotation.

virtual void makVrv::DtFxParticleSystem::set_name ( const char * name )

virtual

gives particle system a name

virtual const char* makVrv::DtFxParticleSystem::get_name ( )

virtual

gets the particle system's name

virtual bdiLight* makVrv::DtFxParticleSystem::get_light_object ( )

virtual

gets the diguy light object associated with psystem

virtual void makVrv::DtFxParticleSystem::setRandomSeed ( unsigned int value )

virtual

random number seed

virtual void makVrv::DtFxParticleSystem::setCameraDistance ( float distance )

virtual

how far system is from current camera, used for sorting

virtual float makVrv::DtFxParticleSystem::cameraDistance ( )

virtual

get how far system is from current camera, used for sorting

virtual void makVrv::DtFxParticleSystem::addChildSystem	(	DtFxParticleSystem *	child,
		float	time_offset
	)

virtual

adds a child particle system

virtual void makVrv::DtFxParticleSystem::removeChildSystem ( DtFxParticleSystem * child )

virtual

removes a system from list of children

virtual void makVrv::DtFxParticleSystem::clearParent ( )

virtual

clears the parent pointer (used when parent is destroyed)

virtual void makVrv::DtFxParticleSystem::set_vbo_start_index ( int index )

virtual

where in the vbo the particle system data starts

virtual int makVrv::DtFxParticleSystem::get_vbo_start_index ( )

virtual

where in the vbo the particle system data starts

virtual bool makVrv::DtFxParticleSystem::get_sort_system ( )

virtual

should this system get per frame sorted

virtual const bdiVec3f& makVrv::DtFxParticleSystem::get_velocity ( )

virtual

current system velocity

virtual void makVrv::DtFxParticleSystem::set_wind ( const bdiVec3f & wind )

virtual

current wind

virtual void makVrv::DtFxParticleSystem::addGlobalForces ( )

virtual

adds the forces from this system to the particle manager

virtual void makVrv::DtFxParticleSystem::removeGlobalForces ( )

virtual

removes the forces from this system from the particle manager

virtual int makVrv::DtFxParticleSystem::artPartOverride ( )

virtual

debugging aid allows the editor to feed back to the renderer

virtual const bdiVec3f& makVrv::DtFxParticleSystem::artPartOffset ( )

virtual

virtual void makVrv::DtFxParticleSystem::pauseUpdate ( )

virtual

compatibility with ParticleSystemModelInstance

virtual void makVrv::DtFxParticleSystem::resumeUpdate ( )

virtual

compatibility with ParticleSystemModelInstance

virtual bool makVrv::DtFxParticleSystem::paused ( )

virtual

is the system frozen

virtual void makVrv::DtFxParticleSystem::restart_merged_system ( )

virtual

makes sure that the system fires at least one time

virtual void makVrv::DtFxParticleSystem::setAttachedModel ( DtOsgArticulatedModel * model )

virtual

lets the editor know a model to use for testing

virtual int makVrv::DtFxParticleSystem::getNumGlobalForces ( )

virtual

how many global forces are there

virtual DtFxForceInterface* makVrv::DtFxParticleSystem::getGlobalForce ( int index )

virtual

returns global force

void makVrv::DtFxParticleSystem::setIsPreviewSystem ( )

inline

void makVrv::DtFxParticleSystem::setSortParticles ( bool sort )

inline

sets if particles should sort or not

bdiFarPosition* makVrv::DtFxParticleSystem::positionPtr ( )

inline