Contains and manages a particle system. More...

#include "particleSystem.h"

Inheritance diagram for ParticleSystem:

Public Member Functions
	ParticleSystem (int pool_size=0)
	Default Constructor. More...

	ParticleSystem (const ParticleSystem &copy)
	Copy Constructor. More...

	~ParticleSystem ()
	You get the ankles and I'll get the wrists. More...

void	add_spawn_template (ParticleSystem *ps)

void	clear_floor_z ()

void	clear_spawn_templates ()

void	clear_to_initial ()
	Resets the system to its start state by resizing to 0, then resizing back to current size. More...

virtual TypeHandle	force_init_type ()

bool	get_active_system_flag () const

PN_stdfloat	get_birth_rate () const

BaseParticleEmitter *	get_emitter () const

BaseParticleFactory *	get_factory () const

PN_stdfloat	get_floor_z () const

bool	get_i_was_spawned_flag () const

int	get_litter_size () const

int	get_litter_spread () const

int	get_living_particles () const

bool	get_local_velocity_flag () const

int	get_pool_size () const

NodePath	get_render_parent () const

BaseParticleRenderer *	get_renderer () const

PN_stdfloat	get_soft_birth_rate () const

bool	get_spawn_on_death_flag () const

PandaNode *	get_spawn_render_node () const

NodePath	get_spawn_render_node_path () const

PN_stdfloat	get_system_age () const

bool	get_system_grows_older_flag () const

PN_stdfloat	get_system_lifespan () const

virtual TypeHandle	get_type () const

void	induce_labor ()
	Forces the birth of a particle litter this frame by resetting _tics_since_birth. More...

virtual void	output (std::ostream &out) const
	Write a string representation of this instance to <out>. More...

void	render ()
	Populates an attached GeomNode structure with the particle geometry for rendering. More...

void	set_active_system_flag (bool a)

void	set_birth_rate (PN_stdfloat new_br)

void	set_emitter (BaseParticleEmitter *e)

void	set_factory (BaseParticleFactory *f)

void	set_floor_z (PN_stdfloat z)

void	set_litter_size (int new_ls)

void	set_litter_spread (int new_ls)

void	set_local_velocity_flag (bool lv)

void	set_pool_size (int size)

void	set_render_parent (PandaNode *node)

void	set_render_parent (const NodePath &node)

void	set_renderer (BaseParticleRenderer *r)

void	set_soft_birth_rate (PN_stdfloat new_br)

void	set_spawn_on_death_flag (bool sod)

void	set_spawn_render_node (PandaNode *node)

void	set_spawn_render_node_path (const NodePath &node)

void	set_system_age (PN_stdfloat age)

void	set_system_grows_older_flag (bool sgo)

void	set_system_lifespan (PN_stdfloat sl)

void	set_template_system_flag (bool tsf)

void	soft_start (PN_stdfloat br=0.0)
	Causes system to use birth rate set by set_birth_rate() More...

void	soft_stop (PN_stdfloat br=0.0)
	Causes system to use birth rate set by set_soft_birth_rate() More...

void	update (PN_stdfloat dt)
	Updates the particle system. More...

virtual void	write (std::ostream &out, int indent=0) const
	Write a string representation of this instance to <out>. More...

virtual void	write_free_particle_fifo (std::ostream &out, int indent=0) const
	Write a string representation of this instance to <out>. More...

virtual void	write_spawn_templates (std::ostream &out, int indent=0) const
	Write a string representation of this instance to <out>. More...

Public Member Functions inherited from Physical
	Physical (int total_objects=1, bool pre_alloc=false)
	Default Constructor The idea here is that most physicals will NOT be collections of sets (i.e. More...

	Physical (const Physical &copy)
	copy constructor (note- does deep copy of pn's) but does NOT attach itself to its template's physicsmanager. More...

virtual	~Physical ()
	destructor More...

void	add_angular_force (AngularForce *f)
	Adds an angular force to the force list. More...

void	add_linear_force (LinearForce *f)
	Adds a linear force to the force list. More...

void	add_physics_object (PhysicsObject *po)
	Adds an object to the physics object vector. More...

void	clear_angular_forces ()
	Erases the angular force list. More...

void	clear_linear_forces ()
	Erases the linear force list. More...

void	clear_physics_objects ()
	Erases the object list. More...

const AngularForceVector &	get_angular_forces () const

const LinearForceVector &	get_linear_forces () const

int	get_num_angular_forces () const

int	get_num_linear_forces () const

const PhysicsObject::Vector &	get_object_vector () const

const PhysicsObjectCollection	get_objects () const

PhysicsObject *	get_phys_body () const

PhysicalNode *	get_physical_node () const

NodePath	get_physical_node_path () const

PhysicsManager *	get_physics_manager () const

PN_stdfloat	get_viscosity () const
	Get the local viscosity. More...

	PT (LinearForce) get_linear_force(int index) const

	PT (AngularForce) get_angular_force(int index) const

void	remove_angular_force (AngularForce *f)
	removes an angular force from the force list More...

void	remove_linear_force (LinearForce *f)
	removes a linear force from the force list More...

void	set_viscosity (PN_stdfloat viscosity)

virtual void	write_angular_forces (std::ostream &out=std::cout, int indent=0) const
	Write a string representation of this instance to <out>. More...

virtual void	write_linear_forces (std::ostream &out=std::cout, int indent=0) const
	Write a string representation of this instance to <out>. More...

virtual void	write_physics_objects (std::ostream &out=std::cout, int indent=0) const
	Write a string representation of this instance to <out>. More...

Public Member Functions inherited from TypedReferenceCount
	TypedReferenceCount (const TypedReferenceCount &copy)

void	operator= (const TypedReferenceCount &copy)

Public Member Functions inherited from TypedObject
	TypedObject (const TypedObject &copy)=default

TypedObject *	as_typed_object ()
	Returns the object, upcast (if necessary) to a TypedObject pointer. More...

const TypedObject *	as_typed_object () const
	Returns the object, upcast (if necessary) to a TypedObject pointer. More...

int	get_best_parent_from_Set (const std::set< int > &) const

int	get_type_index () const
	Returns the internal index number associated with this object's TypeHandle, a unique number for each different type. More...

bool	is_exact_type (TypeHandle handle) const
	Returns true if the current object is the indicated type exactly. More...

bool	is_of_type (TypeHandle handle) const
	Returns true if the current object is or derives from the indicated type. More...

TypedObject &	operator= (const TypedObject &copy)=default

Public Member Functions inherited from ReferenceCount
int	get_ref_count () const

WeakReferenceList *	get_weak_list () const
	Returns the WeakReferenceList associated with this ReferenceCount object. More...

bool	has_weak_list () const
	Returns true if this particular ReferenceCount object has a WeakReferenceList created, false otherwise. More...

void	local_object ()
	This function should be called, once, immediately after creating a new instance of some ReferenceCount-derived object on the stack. More...

void	ref () const
	Explicitly increments the reference count. More...

bool	ref_if_nonzero () const
	Atomically increases the reference count of this object if it is not zero. More...

bool	test_ref_count_integrity () const
	Does some easy checks to make sure that the reference count isn't completely bogus. More...

bool	test_ref_count_nonzero () const
	Does some easy checks to make sure that the reference count isn't zero, or completely bogus. More...

virtual bool	unref () const
	Explicitly decrements the reference count. More...

WeakReferenceList *	weak_ref ()
	Adds the indicated PointerToVoid as a weak reference to this object. More...

void	weak_unref ()
	Removes the indicated PointerToVoid as a weak reference to this object. More...

Static Public Member Functions
static TypeHandle	get_class_type ()

static void	init_type ()

Static Public Member Functions inherited from Physical
static TypeHandle	get_class_type ()

static void	init_type ()

Static Public Member Functions inherited from TypedReferenceCount
static TypeHandle	get_class_type ()

static void	init_type ()

Static Public Member Functions inherited from TypedObject
static TypeHandle	get_class_type ()

static void	init_type ()
	This function is declared non-inline to work around a compiler bug in g++ 2.96. More...

Static Public Member Functions inherited from ReferenceCount
static TypeHandle	get_class_type ()

static void	init_type ()

Friends
class	ParticleSystemManager

Additional Inherited Members
Public Types inherited from Physical
typedef pvector< PT(AngularForce)>	AngularForceVector

typedef pvector< PT(LinearForce)>	LinearForceVector

Public Attributes inherited from Physical
	get_angular_force

	get_linear_force

	get_num_angular_forces

	get_num_linear_forces

Public Attributes inherited from TypedObject
	get_type

Public Attributes inherited from ReferenceCount
	get_ref_count
	Returns the current reference count. More...

Detailed Description

Contains and manages a particle system.

Definition at line 40 of file particleSystem.h.

Constructor & Destructor Documentation

◆ ParticleSystem() [1/2]

ParticleSystem::ParticleSystem ( int pool_size = 0 )

explicit

Default Constructor.

Definition at line 45 of file particleSystem.cxx.

References Physical::clear_physics_objects().

◆ ParticleSystem() [2/2]

ParticleSystem::ParticleSystem ( const ParticleSystem & copy )

Copy Constructor.

Definition at line 88 of file particleSystem.cxx.

References NodePath::reparent_to().

◆ ~ParticleSystem()

ParticleSystem::~ParticleSystem ( )

You get the ankles and I'll get the wrists.

Definition at line 121 of file particleSystem.cxx.

References NodePath::remove_node().

Member Function Documentation

◆ clear_to_initial()

void ParticleSystem::clear_to_initial ( )

inline

Resets the system to its start state by resizing to 0, then resizing back to current size.

Definition at line 37 of file particleSystem.I.

◆ induce_labor()

void ParticleSystem::induce_labor ( )

inline

Forces the birth of a particle litter this frame by resetting _tics_since_birth.

Definition at line 28 of file particleSystem.I.

◆ output()

void ParticleSystem::output ( std::ostream & out ) const

virtual

Write a string representation of this instance to <out>.

Reimplemented from Physical.

Definition at line 679 of file particleSystem.cxx.

◆ render()

void ParticleSystem::render ( )

inline

Populates an attached GeomNode structure with the particle geometry for rendering.

This is a wrapper for accessability.

Definition at line 19 of file particleSystem.I.

Referenced by ParticleSystemManager::do_particles().

◆ soft_start()

void ParticleSystem::soft_start ( PN_stdfloat br = 0.0 )

inline

Causes system to use birth rate set by set_birth_rate()

Definition at line 54 of file particleSystem.I.

◆ soft_stop()

void ParticleSystem::soft_stop ( PN_stdfloat br = 0.0 )

inline

Causes system to use birth rate set by set_soft_birth_rate()

Definition at line 65 of file particleSystem.I.

◆ update()

void ParticleSystem::update ( PN_stdfloat dt )

Updates the particle system.

Call once per frame.

Definition at line 457 of file particleSystem.cxx.

References PhysicsObject::get_position().

Referenced by ParticleSystemManager::do_particles().

◆ write()

void ParticleSystem::write	(	std::ostream &	out,
		int	indent = `0`
	)		const

virtual

Write a string representation of this instance to <out>.

Reimplemented from Physical.

Definition at line 721 of file particleSystem.cxx.

References indent(), Physical::write(), write_free_particle_fifo(), and write_spawn_templates().

◆ write_free_particle_fifo()

void ParticleSystem::write_free_particle_fifo	(	std::ostream &	out,
		int	indent = `0`
	)		const

virtual

Write a string representation of this instance to <out>.

Definition at line 689 of file particleSystem.cxx.

References indent().

Referenced by write().

◆ write_spawn_templates()

void ParticleSystem::write_spawn_templates	(	std::ostream &	out,
		int	indent = `0`
	)		const

virtual

Write a string representation of this instance to <out>.

Definition at line 705 of file particleSystem.cxx.

References indent().

Referenced by write().

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

panda/src/particlesystem/particleSystem.h
panda/src/particlesystem/particleSystem.cxx
panda/src/particlesystem/particleSystem.I

Public Member Functions

Static Public Member Functions

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ParticleSystem() [1/2]

◆ ParticleSystem() [2/2]

◆ ~ParticleSystem()

Member Function Documentation

◆ clear_to_initial()

◆ induce_labor()

◆ output()

◆ render()

◆ soft_start()

◆ soft_stop()

◆ update()

◆ write()

◆ write_free_particle_fifo()

◆ write_spawn_templates()