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ZSpinParticle Class Reference

describes a particle that spins along its z axis. More...

#include <zSpinParticle.h>

Inheritance diagram for ZSpinParticle:


Public Member Functions
	ZSpinParticle (void)
	constructor
	ZSpinParticle (const ZSpinParticle &copy)
	copy constructor
virtual	~ZSpinParticle (void)
	destructor
virtual PhysicsObject *	make_copy (void) const
	dynamic copier
virtual void	init (void)
virtual void	update (void)
virtual void	die (void)
virtual float	get_theta (void) const
	for spriteParticleRenderer
void	set_initial_angle (float t)
	accessor
float	get_initial_angle (void) const
	accessor
void	set_final_angle (float t)
	accessor
float	get_final_angle (void) const
	accessor
void	set_angular_velocity (float v)
float	get_angular_velocity (void) const
void	enable_angular_velocity (bool bEnabled)
bool	get_angular_velocity_enabled (void) const
void	set_age (float age)
void	set_lifespan (float lifespan)
void	set_alive (bool alive)
float	get_age (void) const
float	get_lifespan (void) const
bool	get_alive (void) const
float	get_parameterized_age (void) const
float	get_parameterized_vel (void) const
void	set_mass (float)
	Specify the mass of the object.
float	get_mass (void) const
	Mass Query.
void	set_position (const LPoint3f &pos)
	Vector position assignment.
void	set_position (float x, float y, float z)
	Piecewise position assignment.
LPoint3f	get_position (void) const
	Position Query.
void	set_position_HandOfGod (const LPoint3f &pos)
	use this to place an object in a completely new position, that has nothing to do with its last position (moved by the Hand Of God, or "HOG")
void	set_last_position (const LPoint3f &pos)
	Last position assignment.
LPoint3f	get_last_position (void) const
	Last position Query.
void	set_velocity (const LVector3f &vel)
	Vector velocity assignment.
void	set_velocity (float x, float y, float z)
	Piecewise velocity assignment.
LVector3f	get_velocity (void) const
	Velocity Query.
void	set_active (bool flag)
	Process Flag assignment.
bool	get_active (void) const
	Process Flag Query.
void	set_oriented (bool flag)
bool	get_oriented (void) const
void	set_terminal_velocity (float tv)
	tv assignment
float	get_terminal_velocity (void) const
	tv query
void	set_orientation (const LOrientationf &orientation)
LOrientationf	get_orientation (void) const
void	set_rotation (const LVector3f &rotation)
LVector3f	get_rotation (void) const
virtual LMatrix4f	get_inertial_tensor (void) const
	returns a transform matrix that represents the object's willingness to be forced.
virtual LMatrix4f	get_lcs (void) const
	returns a transform matrix to this object's local coordinate system.
virtual TypeHandle	get_type () const
virtual TypeHandle	force_init_type ()
int	get_type_index () const
	Returns the internal index number associated with this object's TypeHandle, a unique number for each different type.
bool	is_of_type (TypeHandle handle) const
	Returns true if the current object is or derives from the indicated type.
bool	is_exact_type (TypeHandle handle) const
	Returns true if the current object is the indicated type exactly.
int	get_ref_count () const
	Returns the current reference count.
int	ref () const
	Explicitly increments the reference count.
int	unref () const
	Explicitly decrements the reference count.
void	test_ref_count_integrity () const
	Does some easy checks to make sure that the reference count isn't completely bogus.
Static Public Member Functions
TypeHandle	get_class_type ()
void	init_type ()
Static Public Attributes
const float	_default_terminal_velocity
Private Attributes
float	_initial_angle
float	_final_angle
float	_cur_angle
float	_angular_velocity
bool	_bUseAngularVelocity

Detailed Description

describes a particle that spins along its z axis.

this is kind of an intermediary class- if you're using a SpriteParticleRenderer and you want your sprites to spin without having them be full-blown oriented (i.e. angry quat math), use this.

Definition at line 42 of file zSpinParticle.h.

Constructor & Destructor Documentation

ZSpinParticle::ZSpinParticle ( void )

constructor

Definition at line 33 of file zSpinParticle.cxx.

ZSpinParticle::ZSpinParticle ( const ZSpinParticle & copy )

copy constructor

Definition at line 51 of file zSpinParticle.cxx.

ZSpinParticle::~ZSpinParticle ( void ) [virtual]

destructor

Definition at line 69 of file zSpinParticle.cxx.

Member Function Documentation

void ZSpinParticle::die ( void ) [virtual]

Implements BaseParticle.
Definition at line 134 of file zSpinParticle.cxx.

void ZSpinParticle::enable_angular_velocity ( bool bEnabled ) [inline]

Definition at line 81 of file zSpinParticle.I.

virtual TypeHandle PhysicsObject::force_init_type ( void ) [inline, virtual, inherited]

Reimplemented from TypedReferenceCount.
Definition at line 112 of file physicsObject.h.

bool PhysicsObject::get_active ( void ) const [inline, inherited]

Process Flag Query.

Definition at line 205 of file physicsObject.I.
References PhysicsObject::_rotation, and INLINE.

float BaseParticle::get_age ( void ) const [inline, inherited]

Definition at line 34 of file baseParticle.I.
References BaseParticle::_lifespan, and INLINE.
Referenced by make_copy().

bool BaseParticle::get_alive ( void ) const [inline, inherited]

Definition at line 42 of file baseParticle.I.
References BaseParticle::_age, BaseParticle::_lifespan, and INLINE.

float ZSpinParticle::get_angular_velocity ( void ) const [inline]

Definition at line 71 of file zSpinParticle.I.
References _bUseAngularVelocity.

bool ZSpinParticle::get_angular_velocity_enabled ( void ) const [inline]

Definition at line 86 of file zSpinParticle.I.

TypeHandle PhysicsObject::get_class_type ( void ) [inline, static, inherited]

Reimplemented from TypedReferenceCount.
Definition at line 101 of file physicsObject.h.
References TypedReferenceCount::get_class_type().

float ZSpinParticle::get_final_angle ( void ) const [inline]

accessor

Definition at line 66 of file zSpinParticle.I.
References _bUseAngularVelocity.

LMatrix4f PhysicsObject::get_inertial_tensor ( void ) const [virtual, inherited]

returns a transform matrix that represents the object's willingness to be forced.

Definition at line 139 of file physicsObject.cxx.

float ZSpinParticle::get_initial_angle ( void ) const [inline]

accessor

Definition at line 42 of file zSpinParticle.I.
References _final_angle, and t.

LPoint3f PhysicsObject::get_last_position ( void ) const [inline, inherited]

Last position Query.

Definition at line 179 of file physicsObject.I.
References PhysicsObject::_orientation.

LMatrix4f PhysicsObject::get_lcs ( void ) const [virtual, inherited]

returns a transform matrix to this object's local coordinate system.

Definition at line 119 of file physicsObject.cxx.

float BaseParticle::get_lifespan ( void ) const [inline, inherited]

Definition at line 38 of file baseParticle.I.
References BaseParticle::_alive, and INLINE.

float PhysicsObject::get_mass ( void ) const [inline, inherited]

Mass Query.

Definition at line 153 of file physicsObject.I.
References PhysicsObject::_process_me, and INLINE.

LOrientationf PhysicsObject::get_orientation ( void ) const [inline, inherited]

Definition at line 254 of file physicsObject.I.

bool PhysicsObject::get_oriented ( void ) const [inline, inherited]

Definition at line 290 of file physicsObject.I.
Referenced by ActorNode::update_transform().

float BaseParticle::get_parameterized_age ( void ) const [inline, inherited]

Definition at line 46 of file baseParticle.I.
Referenced by PointParticleRenderer::birth_particle(), SparkleParticleRenderer::get_birth_radius(), and BaseParticleRenderer::set_user_alpha().

float BaseParticle::get_parameterized_vel ( void ) const [inline, inherited]

Definition at line 51 of file baseParticle.I.

LPoint3f PhysicsObject::get_position ( void ) const [inline, inherited]

Position Query.

Definition at line 166 of file physicsObject.I.
References PhysicsObject::_terminal_velocity, and INLINE.
Referenced by GeomParticleRenderer::kill_particle(), LinearNoiseForce::~LinearNoiseForce(), LinearSinkForce::~LinearSinkForce(), and LinearSourceForce::~LinearSourceForce().

int ReferenceCount::get_ref_count ( ) const [inline, inherited]

Returns the current reference count.

Definition at line 183 of file referenceCount.I.
Referenced by RenderState::determine_bin_index(), RenderEffects::determine_show_bounds(), FontPool::ns_garbage_collect(), TexturePool::ns_garbage_collect(), MaterialPool::ns_get_material(), and TexturePool::ns_release_texture().

LVector3f PhysicsObject::get_rotation ( void ) const [inline, inherited]

Definition at line 266 of file physicsObject.I.

float PhysicsObject::get_terminal_velocity ( void ) const [inline, inherited]

tv query

Definition at line 218 of file physicsObject.I.
References PhysicsObject::_oriented.

float ZSpinParticle::get_theta ( void ) const [virtual]

for spriteParticleRenderer

Reimplemented from BaseParticle.
Definition at line 145 of file zSpinParticle.cxx.

virtual TypeHandle PhysicsObject::get_type ( void ) const [inline, virtual, inherited]

Reimplemented from TypedReferenceCount.
Definition at line 109 of file physicsObject.h.

int TypedObject::get_type_index ( ) const [inline, inherited]

Returns the internal index number associated with this object's TypeHandle, a unique number for each different type.
This is equivalent to get_type().get_index().
Definition at line 71 of file typedObject.I.
References TypeHandle::get_name(), TypedObject::get_type(), and INLINE.

LVector3f PhysicsObject::get_velocity ( void ) const [inline, inherited]

Velocity Query.

Definition at line 192 of file physicsObject.I.
References PhysicsObject::_orientation, and INLINE.
Referenced by LinearFrictionForce::~LinearFrictionForce().

void ZSpinParticle::init ( void ) [virtual]

Implements BaseParticle.
Definition at line 93 of file zSpinParticle.cxx.
References _cur_angle, _final_angle, and _initial_angle.

void PhysicsObject::init_type ( void ) [inline, static, inherited]

Reimplemented from TypedReferenceCount.
Definition at line 104 of file physicsObject.h.
References TypedReferenceCount::get_class_type(), and TypedReferenceCount::init_type().

bool TypedObject::is_exact_type ( TypeHandle handle ) const [inline, inherited]

Returns true if the current object is the indicated type exactly.

Definition at line 101 of file typedObject.I.
Referenced by PT(), and CollisionNode::xform().

bool TypedObject::is_of_type ( TypeHandle handle ) const [inline, inherited]

Returns true if the current object is or derives from the indicated type.

Definition at line 86 of file typedObject.I.
Referenced by EggMaterialCollection::collapse_equivalent_materials(), EggTextureCollection::collapse_equivalent_textures(), DeferredNodeProperty::compose(), AnimBundleMaker::create_s_channel(), CharacterMaker::create_slider(), ProjectionScreen::cull_callback(), DataNode::define_output(), EggNode::determine_draw_order(), CharacterMaker::egg_to_index(), EggGroupUniquifier::EggGroupUniquifier(), EggPoolUniquifier::EggPoolUniquifier(), EggGroupNode::find_textures(), StaticTextFont::get_glyph(), EggMaterialCollection::insert_materials(), EggTextureCollection::insert_textures(), CharacterJoint::make_copy(), PT(), EggGroupNode::r_flatten_transforms(), EggGroupNode::r_transform_vertices(), EggGroupNode::recompute_polygon_normals(), CollisionLevelState::reserve(), PandaFramework::reset_frame_rate(), PandaFramework::set_texture(), EggGroupNode::steal_children(), and DataGraphTraverser::traverse().

PhysicsObject * ZSpinParticle::make_copy ( void ) const [virtual]

dynamic copier

Implements BaseParticle.
Definition at line 81 of file zSpinParticle.cxx.
References _angular_velocity, _cur_angle, _initial_angle, and BaseParticle::get_age().

int ReferenceCount::ref ( ) const [inline, inherited]

Explicitly increments the reference count.
User code should avoid using ref() and unref() directly, which can result in missed reference counts. Instead, let a PointerTo object manage the reference counting automatically.
This function is const, even though it changes the object, because generally fiddling with an object's reference count isn't considered part of fiddling with the object. An object might be const in other ways, but we still need to accurately count the number of references to it.
The return value is the new reference count.
Definition at line 225 of file referenceCount.I.
Referenced by ClientDevice::ClientDevice(), EggGroupNode::find_textures(), EggGroupNode::r_apply_texmats(), EggGroupNode::r_flatten_transforms(), and EggGroupNode::reverse_vertex_ordering().

void PhysicsObject::set_active ( bool flag ) [inline, inherited]

Process Flag assignment.

Definition at line 127 of file physicsObject.I.
References PhysicsObject::_position, and INLINE.

void BaseParticle::set_age ( float age ) [inline, inherited]

Definition at line 22 of file baseParticle.I.
References BaseParticle::_lifespan, and INLINE.

void BaseParticle::set_alive ( bool alive ) [inline, inherited]

Definition at line 30 of file baseParticle.I.
References BaseParticle::_age, and INLINE.

void ZSpinParticle::set_angular_velocity ( float v ) [inline]

Definition at line 76 of file zSpinParticle.I.

void ZSpinParticle::set_final_angle ( float t ) [inline]

accessor

Definition at line 54 of file zSpinParticle.I.
References _angular_velocity, and INLINE.
Referenced by ZSpinParticleFactory::~ZSpinParticleFactory().

void ZSpinParticle::set_initial_angle ( float t ) [inline]

accessor

Definition at line 30 of file zSpinParticle.I.
References _initial_angle, and INLINE.
Referenced by ZSpinParticleFactory::~ZSpinParticleFactory().

void PhysicsObject::set_last_position ( const LPoint3f & pos ) [inline, inherited]

Last position assignment.

Definition at line 88 of file physicsObject.I.
References PhysicsObject::_velocity, x, and y.

void BaseParticle::set_lifespan ( float lifespan ) [inline, inherited]

Definition at line 26 of file baseParticle.I.
References BaseParticle::_alive, and INLINE.

void PhysicsObject::set_mass ( float m ) [inline, inherited]

Specify the mass of the object.

Definition at line 31 of file physicsObject.I.
References PhysicsObject::_position, and INLINE.

void PhysicsObject::set_orientation ( const LOrientationf & orientation ) [inline, inherited]

Definition at line 230 of file physicsObject.I.
Referenced by ActorNode::update_transform().

void PhysicsObject::set_oriented ( bool flag ) [inline, inherited]

Definition at line 278 of file physicsObject.I.
Referenced by PointParticle::PointParticle().

void PhysicsObject::set_position ( float x,

float y,

float z

) [inline, inherited]

Piecewise position assignment.

Definition at line 57 of file physicsObject.I.
References PhysicsObject::_last_position, and PhysicsObject::_position.

void PhysicsObject::set_position ( const LPoint3f & pos ) [inline, inherited]

Vector position assignment.

Definition at line 44 of file physicsObject.I.
References PhysicsObject::_position, INLINE, x, and y.
Referenced by ActorNode::update_transform().

void PhysicsObject::set_position_HandOfGod ( const LPoint3f & pos ) [inline, inherited]

use this to place an object in a completely new position, that has nothing to do with its last position (moved by the Hand Of God, or "HOG")

Definition at line 74 of file physicsObject.I.
References PhysicsObject::_velocity, and INLINE.

void PhysicsObject::set_rotation ( const LVector3f & rotation ) [inline, inherited]

Definition at line 242 of file physicsObject.I.

void PhysicsObject::set_terminal_velocity ( float tv ) [inline, inherited]

tv assignment

Definition at line 140 of file physicsObject.I.

void PhysicsObject::set_velocity ( float x,

float y,

float z

) [inline, inherited]

Piecewise velocity assignment.

Definition at line 114 of file physicsObject.I.
References PhysicsObject::_mass, and INLINE.

void PhysicsObject::set_velocity ( const LVector3f & vel ) [inline, inherited]

Vector velocity assignment.

Definition at line 101 of file physicsObject.I.
References PhysicsObject::_terminal_velocity, and INLINE.

void ReferenceCount::test_ref_count_integrity ( ) const [inline, inherited]

Does some easy checks to make sure that the reference count isn't completely bogus.

Definition at line 328 of file referenceCount.I.
References INLINE.
Referenced by EggNode::determine_bin(), and ReferenceCount::~ReferenceCount().

int ReferenceCount::unref ( ) const [inline, inherited]

Explicitly decrements the reference count.
Note that the object will not be implicitly deleted by unref() simply because the reference count drops to zero. (Having a member function delete itself is problematic; plus, we don't have a virtual destructor anyway.) However, see the helper function unref_delete().
User code should avoid using ref() and unref() directly, which can result in missed reference counts. Instead, let a PointerTo object manage the reference counting automatically.
This function is const, even though it changes the object, because generally fiddling with an object's reference count isn't considered part of fiddling with the object. An object might be const in other ways, but we still need to accurately count the number of references to it.
The return value is the new reference count.
Definition at line 293 of file referenceCount.I.
References INLINE.
Referenced by RenderState::determine_bin_index(), and RenderEffects::determine_show_bounds().

void ZSpinParticle::update ( void ) [virtual]

Implements BaseParticle.
Definition at line 104 of file zSpinParticle.cxx.
References _cur_angle.

Member Data Documentation

float ZSpinParticle::_angular_velocity [private]

Definition at line 47 of file zSpinParticle.h.
Referenced by make_copy(), set_final_angle(), and ZSpinParticleFactory::ZSpinParticleFactory().

bool ZSpinParticle::_bUseAngularVelocity [private]

Definition at line 48 of file zSpinParticle.h.
Referenced by get_angular_velocity(), get_final_angle(), and ZSpinParticleFactory::ZSpinParticleFactory().

float ZSpinParticle::_cur_angle [private]

Definition at line 46 of file zSpinParticle.h.
Referenced by init(), make_copy(), and update().

const float PhysicsObject::_default_terminal_velocity [static, inherited]

Initial value:
config_physics.GetFloat("default_terminal_velocity", 400.0f)

Definition at line 51 of file config_physics.cxx.

float ZSpinParticle::_final_angle [private]

Definition at line 45 of file zSpinParticle.h.
Referenced by get_initial_angle(), and init().

float ZSpinParticle::_initial_angle [private]

Definition at line 44 of file zSpinParticle.h.
Referenced by init(), make_copy(), and set_initial_angle().

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

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

Generated on Fri May 2 00:56:32 2003 for Panda by

1.3

ZSpinParticle Class Reference

Public Member Functions

Static Public Member Functions

Static Public Attributes

Private Attributes

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation