Light Class Reference

A light entity. More...

#include <Light.hh>

Inherits Entity.

Public Types

enum  EntityType {
  BASE = 0x00000000, ENTITY = 0x00000001, MODEL = 0x00000002, LINK = 0x00000004,
  COLLISION = 0x00000008, LIGHT = 0x00000010, VISUAL = 0x00000020, JOINT = 0x00000040,
  BALL_JOINT = 0x00000080, HINGE2_JOINT = 0x00000100, HINGE_JOINT = 0x00000200, SLIDER_JOINT = 0x00000400,
  SCREW_JOINT = 0x00000800, UNIVERSAL_JOINT = 0x00001000, GEARBOX_JOINT = 0x00002000, FIXED_JOINT = 0x00004000,
  ACTOR = 0x00008000, SHAPE = 0x00010000, BOX_SHAPE = 0x00020000, CYLINDER_SHAPE = 0x00040000,
  HEIGHTMAP_SHAPE = 0x00080000, MAP_SHAPE = 0x00100000, MULTIRAY_SHAPE = 0x00200000, RAY_SHAPE = 0x00400000,
  PLANE_SHAPE = 0x00800000, SPHERE_SHAPE = 0x01000000, MESH_SHAPE = 0x02000000, POLYLINE_SHAPE = 0x04000000,
  SENSOR_COLLISION = 0x10000000
}
 Unique identifiers for all entity types. More...
 

Public Member Functions

 Light (BasePtr _parent)
 Constructor. More...
 
void AddChild (BasePtr _child)
 Add a child to this entity. More...
 
void AddType (EntityType _type)
 Add a type specifier. More...
 
void FillMsg (msgs::Light &_msg)
 Fill a light message with this light's parameters. More...
 
virtual void Fini ()
 Finalize the entity. More...
 
virtual math::Box GetBoundingBox () const
 Return the bounding box for the entity. More...
 
BasePtr GetByName (const std::string &_name)
 Get by name. More...
 
BasePtr GetChild (unsigned int _i) const
 Get a child by index. More...
 
BasePtr GetChild (const std::string &_name)
 Get a child by name. More...
 
CollisionPtr GetChildCollision (const std::string &_name)
 Get a child collision entity, if one exists. More...
 
unsigned int GetChildCount () const
 Get the number of children. More...
 
LinkPtr GetChildLink (const std::string &_name)
 Get a child linke entity, if one exists. More...
 
math::Box GetCollisionBoundingBox () const
 Returns collision bounding box. More...
 
const math::PoseGetDirtyPose () const
 Returns Entity::dirtyPose. More...
 
uint32_t GetId () const
 Return the ID of this entity. More...
 
math::Pose GetInitialRelativePose () const
 Get the initial relative pose. More...
 
std::string GetName () const
 Return the name of the entity. More...
 
void GetNearestEntityBelow (double &_distBelow, std::string &_entityName)
 Get the distance to the nearest entity below (along the Z-axis) this entity. More...
 
BasePtr GetParent () const
 Get the parent. More...
 
int GetParentId () const
 Return the ID of the parent. More...
 
ModelPtr GetParentModel ()
 Get the parent model, if one exists. More...
 
virtual math::Vector3 GetRelativeAngularAccel () const
 Get the angular acceleration of the entity. More...
 
virtual math::Vector3 GetRelativeAngularVel () const
 Get the angular velocity of the entity. More...
 
virtual math::Vector3 GetRelativeLinearAccel () const
 Get the linear acceleration of the entity. More...
 
virtual math::Vector3 GetRelativeLinearVel () const
 Get the linear velocity of the entity. More...
 
math::Pose GetRelativePose () const
 Get the pose of the entity relative to its parent. More...
 
bool GetSaveable () const
 Get whether the object should be "saved", when the user selects to save the world to xml. More...
 
std::string GetScopedName (bool _prependWorldName=false) const
 Return the name of this entity with the model scope model1::...::modelN::entityName. More...
 
virtual const sdf::ElementPtr GetSDF ()
 Get the SDF values for the object. More...
 
unsigned int GetType () const
 Get the full type definition. More...
 
const WorldPtrGetWorld () const
 Get the World this object is in. More...
 
virtual math::Vector3 GetWorldAngularAccel () const
 Get the angular acceleration of the entity in the world frame. More...
 
virtual math::Vector3 GetWorldAngularVel () const
 Get the angular velocity of the entity in the world frame. More...
 
virtual math::Vector3 GetWorldLinearAccel () const
 Get the linear acceleration of the entity in the world frame. More...
 
virtual math::Vector3 GetWorldLinearVel () const
 Get the linear velocity of the entity in the world frame. More...
 
virtual const math::PoseGetWorldPose () const
 Get the absolute pose of the entity. More...
 
bool HasType (const EntityType &_t) const
 Returns true if this object's type definition has the given type. More...
 
void Init ()
 Initialize the light. More...
 
bool IsCanonicalLink () const
 A helper function that checks if this is a canonical body. More...
 
bool IsSelected () const
 True if the entity is selected by the user. More...
 
bool IsStatic () const
 Return whether this entity is static. More...
 
virtual void Load (sdf::ElementPtr _sdf)
 Load the entity. More...
 
void OnPoseChange ()
 This function is called when the entity's (or one of its parents) pose of the parent has changed. More...
 
bool operator== (const Base &_ent) const
 Returns true if the entities are the same. More...
 
void PlaceOnEntity (const std::string &_entityName)
 Move this entity to be ontop of another entity by name. More...
 
void PlaceOnNearestEntityBelow ()
 Move this entity to be ontop of the nearest entity below. More...
 
void Print (const std::string &_prefix)
 Print this object to screen via gzmsg. More...
 
void ProcessMsg (const msgs::Light &_msg)
 Update this light's parameters from a message. More...
 
virtual void RemoveChild (unsigned int _id)
 Remove a child from this entity. More...
 
void RemoveChild (const std::string &_name)
 Remove a child by name. More...
 
void RemoveChildren ()
 Remove all children. More...
 
virtual void Reset ()
 Reset the entity. More...
 
virtual void Reset (Base::EntityType _resetType)
 Calls recursive Reset on one of the Base::EntityType's. More...
 
void SetAnimation (const common::PoseAnimationPtr &_anim, boost::function< void()> _onComplete)
 Set an animation for this entity. More...
 
void SetAnimation (common::PoseAnimationPtr _anim)
 Set an animation for this entity. More...
 
void SetCanonicalLink (bool _value)
 Set to true if this entity is a canonical link for a model. More...
 
void SetInitialRelativePose (const math::Pose &_pose)
 Set the initial pose. More...
 
virtual void SetName (const std::string &_name)
 Set the name of the entity. More...
 
void SetParent (BasePtr _parent)
 Set the parent. More...
 
void SetRelativePose (const math::Pose &_pose, bool _notify=true, bool _publish=true)
 Set the pose of the entity relative to its parent. More...
 
void SetSaveable (bool _v)
 Set whether the object should be "saved", when the user selects to save the world to xml. More...
 
virtual bool SetSelected (bool _show)
 Set whether this entity has been selected by the user through the gui. More...
 
void SetState (const LightState &_state)
 Set the current light state. More...
 
void SetStatic (const bool &_static)
 Set whether this entity is static: immovable. More...
 
void SetWorld (const WorldPtr &_newWorld)
 Set the world this object belongs to. More...
 
void SetWorldPose (const math::Pose &_pose, bool _notify=true, bool _publish=true)
 Set the world pose of the entity. More...
 
void SetWorldTwist (const math::Vector3 &_linear, const math::Vector3 &_angular, bool _updateChildren=true)
 Set angular and linear rates of an physics::Entity. More...
 
virtual void StopAnimation ()
 Stop the current animation, if any. More...
 
std::string TypeStr () const
 Get the string name for the entity type. More...
 
virtual void Update ()
 Update the object. More...
 
virtual void UpdateParameters (sdf::ElementPtr _sdf)
 Update the parameters using new sdf values. More...
 
common::URI URI () const
 Return the common::URI of this entity. More...
 

Protected Member Functions

void ComputeScopedName ()
 Compute the scoped name of this object based on its parents. More...
 

Protected Attributes

common::PoseAnimationPtr animation
 Current pose animation. More...
 
event::ConnectionPtr animationConnection
 Connection used to update an animation. More...
 
math::Pose animationStartPose
 Start pose of an animation. More...
 
Base_V children
 Children of this entity. More...
 
std::vector< event::ConnectionPtrconnections
 All our event connections. More...
 
math::Pose dirtyPose
 The pose set by a physics engine. More...
 
transport::NodePtr node
 Communication node. More...
 
BasePtr parent
 Parent of this entity. More...
 
EntityPtr parentEntity
 A helper that prevents numerous dynamic_casts. More...
 
common::Time prevAnimationTime
 Previous time an animation was updated. More...
 
transport::PublisherPtr requestPub
 Request publisher. More...
 
ignition::math::Vector3d scale
 Scale of the entity. More...
 
sdf::ElementPtr sdf
 The SDF values for this object. More...
 
transport::PublisherPtr visPub
 Visual publisher. More...
 
msgs::Visual * visualMsg
 Visual message container. More...
 
WorldPtr world
 Pointer to the world. More...
 
math::Pose worldPose
 World pose of the entity. More...
 

Detailed Description

A light entity.

Member Enumeration Documentation

enum EntityType
inherited

Unique identifiers for all entity types.

Enumerator
BASE 

Base type.

ENTITY 

Entity type.

MODEL 

Model type.

LINK 

Link type.

COLLISION 

Collision type.

LIGHT 

Light type.

VISUAL 

Visual type.

JOINT 

Joint type.

BALL_JOINT 

BallJoint type.

HINGE2_JOINT 

Hing2Joint type.

HINGE_JOINT 

HingeJoint type.

SLIDER_JOINT 

SliderJoint type.

SCREW_JOINT 

ScrewJoint type.

UNIVERSAL_JOINT 

UniversalJoint type.

GEARBOX_JOINT 

GearboxJoint type.

FIXED_JOINT 

FixedJoint type.

ACTOR 

Actor type.

SHAPE 

Shape type.

BOX_SHAPE 

BoxShape type.

CYLINDER_SHAPE 

CylinderShape type.

HEIGHTMAP_SHAPE 

HeightmapShape type.

MAP_SHAPE 

MapShape type.

MULTIRAY_SHAPE 

MultiRayShape type.

RAY_SHAPE 

RayShape type.

PLANE_SHAPE 

PlaneShape type.

SPHERE_SHAPE 

SphereShape type.

MESH_SHAPE 

MeshShape type.

POLYLINE_SHAPE 

PolylineShape type.

SENSOR_COLLISION 

Indicates a collision shape used for sensing.

Constructor & Destructor Documentation

Light ( BasePtr  _parent)

Constructor.

Parameters
[in]_parentParent object.

Member Function Documentation

void AddChild ( BasePtr  _child)
inherited

Add a child to this entity.

Parameters
[in]_childChild entity.
void AddType ( EntityType  _type)
inherited

Add a type specifier.

Parameters
[in]_typeNew type to append to this objects type definition.
void ComputeScopedName ( )
protectedinherited

Compute the scoped name of this object based on its parents.

See Also
Base::GetScopedName
void FillMsg ( msgs::Light &  _msg)

Fill a light message with this light's parameters.

Parameters
[out]_msgMessage to fill using this light's data.
virtual void Fini ( )
virtualinherited

Finalize the entity.

Reimplemented from Base.

Reimplemented in Actor, Link, Model, DARTModel, BulletLink, DARTCollision, DARTLink, Collision, ODECollision, SimbodyLink, and ODELink.

virtual math::Box GetBoundingBox ( ) const
virtualinherited

Return the bounding box for the entity.

Returns
The bounding box.

Reimplemented in Link, Model, Collision, BulletCollision, ODECollision, DARTCollision, and SimbodyCollision.

BasePtr GetByName ( const std::string &  _name)
inherited

Get by name.

Parameters
[in]_nameGet a child (or self) object by name
Returns
A pointer to the object, NULL if not found
BasePtr GetChild ( unsigned int  _i) const
inherited

Get a child by index.

Parameters
[in]_iIndex of the child to retreive.
Returns
A pointer to the object, NULL if the index is invalid.
BasePtr GetChild ( const std::string &  _name)
inherited

Get a child by name.

Parameters
[in]_nameName of the child.
Returns
A pointer to the object, NULL if not found
CollisionPtr GetChildCollision ( const std::string &  _name)
inherited

Get a child collision entity, if one exists.

Parameters
[in]_nameName of the child collision object.
Returns
Pointer to the Collision object, or NULL if not found.
unsigned int GetChildCount ( ) const
inherited

Get the number of children.

Returns
The number of children.
LinkPtr GetChildLink ( const std::string &  _name)
inherited

Get a child linke entity, if one exists.

Parameters
[in]_nameName of the child Link object.
Returns
Pointer to the Link object, or NULL if not found.
math::Box GetCollisionBoundingBox ( ) const
inherited

Returns collision bounding box.

Returns
Collsiion boundin box.
const math::Pose& GetDirtyPose ( ) const
inherited

Returns Entity::dirtyPose.

The dirty pose is the pose set by the physics engine before it's value is propagated to the rest of the simulator.

Returns
The dirty pose of the entity.
uint32_t GetId ( ) const
inherited

Return the ID of this entity.

This id is unique.

Returns
Integer ID.
math::Pose GetInitialRelativePose ( ) const
inherited

Get the initial relative pose.

Returns
The initial relative pose.
std::string GetName ( ) const
inherited

Return the name of the entity.

Returns
Name of the entity.
void GetNearestEntityBelow ( double &  _distBelow,
std::string &  _entityName 
)
inherited

Get the distance to the nearest entity below (along the Z-axis) this entity.

Parameters
[out]_distBelowThe distance to the nearest entity below.
[out]_entityNameThe name of the nearest entity below.
BasePtr GetParent ( ) const
inherited

Get the parent.

Returns
Pointer to the parent entity.
int GetParentId ( ) const
inherited

Return the ID of the parent.

Returns
Integer ID.
ModelPtr GetParentModel ( )
inherited

Get the parent model, if one exists.

Returns
Pointer to a model, or NULL if no parent model exists.
virtual math::Vector3 GetRelativeAngularAccel ( ) const
inlinevirtualinherited

Get the angular acceleration of the entity.

Returns
A math::Vector3 for the acceleration.

Reimplemented in Link, Model, and Collision.

virtual math::Vector3 GetRelativeAngularVel ( ) const
inlinevirtualinherited

Get the angular velocity of the entity.

Returns
A math::Vector3 for the velocity.

Reimplemented in Link, Model, and Collision.

virtual math::Vector3 GetRelativeLinearAccel ( ) const
inlinevirtualinherited

Get the linear acceleration of the entity.

Returns
A math::Vector3 for the acceleration.

Reimplemented in Link, Model, and Collision.

virtual math::Vector3 GetRelativeLinearVel ( ) const
inlinevirtualinherited

Get the linear velocity of the entity.

Returns
A math::Vector3 for the linear velocity.

Reimplemented in Link, Model, and Collision.

math::Pose GetRelativePose ( ) const
inherited

Get the pose of the entity relative to its parent.

Returns
The pose of the entity relative to its parent.
bool GetSaveable ( ) const
inherited

Get whether the object should be "saved", when the user selects to save the world to xml.

Returns
True if the object is saveable.
std::string GetScopedName ( bool  _prependWorldName = false) const
inherited

Return the name of this entity with the model scope model1::...::modelN::entityName.

Parameters
[in]_prependWorldNameTrue to prended the returned string with the world name. The result will be world::model1::...::modelN::entityName.
Returns
The scoped name.
virtual const sdf::ElementPtr GetSDF ( )
virtualinherited

Get the SDF values for the object.

Returns
The SDF values for the object.

Reimplemented in Actor, and Model.

unsigned int GetType ( ) const
inherited

Get the full type definition.

Returns
The full type definition.
const WorldPtr& GetWorld ( ) const
inherited

Get the World this object is in.

Returns
The World this object is part of.
virtual math::Vector3 GetWorldAngularAccel ( ) const
inlinevirtualinherited

Get the angular acceleration of the entity in the world frame.

Returns
A math::Vector3 for the acceleration.

Reimplemented in Link, Collision, and Model.

virtual math::Vector3 GetWorldAngularVel ( ) const
inlinevirtualinherited

Get the angular velocity of the entity in the world frame.

Returns
A math::Vector3 for the velocity.

Reimplemented in Model, Collision, ODELink, DARTLink, BulletLink, and SimbodyLink.

virtual math::Vector3 GetWorldLinearAccel ( ) const
inlinevirtualinherited

Get the linear acceleration of the entity in the world frame.

Returns
A math::Vector3 for the acceleration.

Reimplemented in Link, Model, and Collision.

virtual math::Vector3 GetWorldLinearVel ( ) const
inlinevirtualinherited

Get the linear velocity of the entity in the world frame.

Returns
A math::Vector3 for the linear velocity.

Reimplemented in Link, Model, and Collision.

virtual const math::Pose& GetWorldPose ( ) const
inlinevirtualinherited

Get the absolute pose of the entity.

Returns
The absolute pose of the entity.

Reimplemented in Collision.

References Entity::worldPose.

bool HasType ( const EntityType _t) const
inherited

Returns true if this object's type definition has the given type.

Parameters
[in]_tType to check.
Returns
True if this object's type definition has the.
void Init ( )
virtual

Initialize the light.

Reimplemented from Base.

bool IsCanonicalLink ( ) const
inlineinherited

A helper function that checks if this is a canonical body.

Returns
True if the link is canonical.
bool IsSelected ( ) const
inherited

True if the entity is selected by the user.

Returns
True if the entity is selected.
bool IsStatic ( ) const
inherited

Return whether this entity is static.

Returns
True if static.
virtual void Load ( sdf::ElementPtr  _sdf)
virtualinherited

Load the entity.

Parameters
[in]_sdfPointer to an SDF element.

Reimplemented from Base.

Reimplemented in Actor, Link, Model, BulletCollision, Collision, BulletLink, ODECollision, DARTModel, SimbodyCollision, DARTCollision, DARTLink, SimbodyLink, ODELink, and SimbodyModel.

void OnPoseChange ( )
virtual

This function is called when the entity's (or one of its parents) pose of the parent has changed.

Implements Entity.

bool operator== ( const Base _ent) const
inherited

Returns true if the entities are the same.

Checks only the name.

Parameters
[in]_entBase object to compare with.
Returns
True if the entities are the same.
void PlaceOnEntity ( const std::string &  _entityName)
inherited

Move this entity to be ontop of another entity by name.

Parameters
[in]_entityNameName of the Entity this Entity should be ontop of.
void PlaceOnNearestEntityBelow ( )
inherited

Move this entity to be ontop of the nearest entity below.

void Print ( const std::string &  _prefix)
inherited

Print this object to screen via gzmsg.

Parameters
[in]_prefixUsually a set of spaces.
void ProcessMsg ( const msgs::Light &  _msg)

Update this light's parameters from a message.

Parameters
[in]_msgMessage to process.
virtual void RemoveChild ( unsigned int  _id)
virtualinherited

Remove a child from this entity.

Parameters
[in]_idID of the child to remove.
void RemoveChild ( const std::string &  _name)
inherited

Remove a child by name.

Parameters
[in]_nameName of the child.
void RemoveChildren ( )
inherited

Remove all children.

virtual void Reset ( )
virtualinherited

Reset the entity.

Reimplemented from Base.

Reimplemented in Model, and Link.

virtual void Reset ( Base::EntityType  _resetType)
virtualinherited

Calls recursive Reset on one of the Base::EntityType's.

Parameters
[in]_resetTypeThe type of reset operation
void SetAnimation ( const common::PoseAnimationPtr _anim,
boost::function< void()>  _onComplete 
)
inherited

Set an animation for this entity.

Parameters
[in]_animPose animation.
[in]_onCompleteCallback for when the animation completes.
void SetAnimation ( common::PoseAnimationPtr  _anim)
inherited

Set an animation for this entity.

Parameters
[in]_animPose animation.
void SetCanonicalLink ( bool  _value)
inherited

Set to true if this entity is a canonical link for a model.

Parameters
[in]_valueTrue if the link is canonical.
void SetInitialRelativePose ( const math::Pose _pose)
inherited

Set the initial pose.

Parameters
[in]_poseThe initial pose.
virtual void SetName ( const std::string &  _name)
virtualinherited

Set the name of the entity.

Parameters
[in]_nameThe new name.

Reimplemented from Base.

void SetParent ( BasePtr  _parent)
inherited

Set the parent.

Parameters
[in]_parentParent object.
void SetRelativePose ( const math::Pose _pose,
bool  _notify = true,
bool  _publish = true 
)
inherited

Set the pose of the entity relative to its parent.

Parameters
[in]_poseThe new pose.
[in]_notifyTrue = tell children of the pose change.
[in]_publishTrue to publish the pose.
void SetSaveable ( bool  _v)
inherited

Set whether the object should be "saved", when the user selects to save the world to xml.

Parameters
[in]_vSet to True if the object should be saved.
virtual bool SetSelected ( bool  _show)
virtualinherited

Set whether this entity has been selected by the user through the gui.

Parameters
[in]_showTrue to set this entity as selected.

Reimplemented in Link.

void SetState ( const LightState _state)

Set the current light state.

Parameters
[in]_stateState to set the light to.
void SetStatic ( const bool &  _static)
inherited

Set whether this entity is static: immovable.

Parameters
[in]_staticTrue = static.
void SetWorld ( const WorldPtr _newWorld)
inherited

Set the world this object belongs to.

This will also set the world for all children.

Parameters
[in]_newWorldThe new World this object is part of.
void SetWorldPose ( const math::Pose _pose,
bool  _notify = true,
bool  _publish = true 
)
inherited

Set the world pose of the entity.

Parameters
[in]_poseThe new world pose.
[in]_notifyTrue = tell children of the pose change.
[in]_publishTrue to publish the pose.
void SetWorldTwist ( const math::Vector3 _linear,
const math::Vector3 _angular,
bool  _updateChildren = true 
)
inherited

Set angular and linear rates of an physics::Entity.

Parameters
[in]_linearLinear twist.
[in]_angularAngular twist.
[in]_updateChildrenTrue to pass this update to child entities.
virtual void StopAnimation ( )
virtualinherited

Stop the current animation, if any.

Reimplemented in Model.

std::string TypeStr ( ) const
inherited

Get the string name for the entity type.

Returns
The string name for this entity.
virtual void Update ( )
inlinevirtualinherited
virtual void UpdateParameters ( sdf::ElementPtr  _sdf)
virtualinherited

Update the parameters using new sdf values.

Parameters
[in]_sdfSDF to update from.

Reimplemented from Base.

Reimplemented in Actor, Link, Model, and Collision.

common::URI URI ( ) const
inherited

Return the common::URI of this entity.

The URI includes the world where the entity is contained and all the hierarchy of sub-entities that can compose this entity. E.g.: A link entity contains the name of the link and the model where the link is contained.

Returns
The URI of this entity.

Member Data Documentation

common::PoseAnimationPtr animation
protectedinherited

Current pose animation.

event::ConnectionPtr animationConnection
protectedinherited

Connection used to update an animation.

math::Pose animationStartPose
protectedinherited

Start pose of an animation.

Base_V children
protectedinherited

Children of this entity.

std::vector<event::ConnectionPtr> connections
protectedinherited

All our event connections.

math::Pose dirtyPose
protectedinherited

The pose set by a physics engine.

transport::NodePtr node
protectedinherited

Communication node.

BasePtr parent
protectedinherited

Parent of this entity.

EntityPtr parentEntity
protectedinherited

A helper that prevents numerous dynamic_casts.

common::Time prevAnimationTime
protectedinherited

Previous time an animation was updated.

transport::PublisherPtr requestPub
protectedinherited

Request publisher.

ignition::math::Vector3d scale
protectedinherited

Scale of the entity.

sdf::ElementPtr sdf
protectedinherited

The SDF values for this object.

transport::PublisherPtr visPub
protectedinherited

Visual publisher.

msgs::Visual* visualMsg
protectedinherited

Visual message container.

WorldPtr world
protectedinherited

Pointer to the world.

math::Pose worldPose
mutableprotectedinherited

World pose of the entity.

Referenced by Entity::GetWorldPose().


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