Home | Download | Screen shots | Discussion | Documentation |
---|
Abstract base class for grouping nodes. More...
#include <openvrml/node.h>
Public Member Functions | |
virtual | ~grouping_node ()=0 throw () |
Destroy. | |
const std::vector < boost::intrusive_ptr< node > > | children () const throw ( std::bad_alloc ) |
Get the children in the scene graph. | |
void | activate_pointing_device_sensors (double timestamp, bool over, bool active, const double(&p)[3]) |
Called in response to user interaction to activate any child pointing device sensor nodes. | |
![]() | |
virtual | ~child_node ()=0 throw () |
Destructor. | |
void | relocate () throw ( std::bad_alloc ) |
Called when the node is relocated to a new position in the scene graph. | |
void | render_child (viewer &v, rendering_context context) |
Render the node. | |
![]() | |
virtual | ~bounded_volume_node () throw () |
Destroy. | |
const openvrml::bounding_volume & | bounding_volume () const |
Get this node's bounding volume. | |
![]() | |
virtual | ~node ()=0 throw () |
Destructor. | |
void | add_ref () const throw () |
Increment the reference count. | |
void | remove_ref () const throw () |
Decrement the reference count. | |
void | release () const throw () |
Decrement the reference count; destroy the instance if the count drops to zero. | |
size_t | use_count () const throw () |
The number of owning references to the instance. | |
const node_type & | type () const throw () |
The type information object for the node . | |
const std::string & | id () const throw () |
Retrieve the name of this node . | |
void | id (const std::string &node_id) throw ( std::bad_alloc ) |
Set the name of the node . | |
const openvrml::scope & | scope () const throw () |
Get the scope to which the node belongs. | |
openvrml::scene * | scene () const throw () |
Get the scene with which the node is associated. | |
const std::vector < boost::intrusive_ptr< node > > & | impl_nodes () const throw () |
Get the implementation nodes of a PROTO instance. | |
std::ostream & | print (std::ostream &out, size_t indent) const |
Pretty print. | |
void | initialize (openvrml::scene &scene, double timestamp) throw ( std::bad_alloc ) |
Initialize the node. | |
std::auto_ptr< field_value > | field (const std::string &id) const throw ( unsupported_interface , std::bad_alloc ) |
Generalized field accessor. | |
openvrml::event_listener & | event_listener (const std::string &id) throw ( unsupported_interface ) |
Get an event listener. | |
openvrml::event_emitter & | event_emitter (const std::string &id) throw ( unsupported_interface ) |
Get an event emitter. | |
void | shutdown (double timestamp) throw () |
Shut down the node. | |
bool | modified () const throw ( boost::thread_resource_error ) |
Determine whether the node has been modified. | |
void | modified (bool value) throw ( boost::thread_resource_error ) |
Set the modified flag. |
Protected Member Functions | |
grouping_node (const node_type &type, const boost::shared_ptr< openvrml::scope > &scope) throw () | |
Construct. | |
![]() | |
child_node (const node_type &type, const boost::shared_ptr< openvrml::scope > &scope) throw () | |
Constructor. | |
![]() | |
bounded_volume_node (const node_type &type, const boost::shared_ptr< openvrml::scope > &scope) throw () | |
Construct. | |
void | bounding_volume_dirty (bool value) |
Set whether the node's bounding volume needs to be recalculated. | |
bool | bounding_volume_dirty () const |
Whether the node's bounding volume needs to be recalculated. | |
virtual const openvrml::bounding_volume & | do_bounding_volume () const |
Called by bounding_volume . | |
![]() | |
node (const node_type &type, const boost::shared_ptr< openvrml::scope > &scope) throw () | |
Construct. | |
boost::shared_mutex & | scene_mutex () |
The scene mutex. |
Private Member Functions | |
virtual grouping_node * | to_grouping () throw () |
Cast to a grouping_node . | |
virtual const std::vector < boost::intrusive_ptr< node > > | do_children () const =0 throw ( std::bad_alloc ) |
Get the children in the scene graph. |
Additional Inherited Members | |
![]() | |
static const boost::intrusive_ptr< node > | self_tag |
Special value used when initializing a script_node . | |
![]() | |
static void | emit_event (openvrml::event_emitter &emitter, double timestamp) throw ( std::bad_alloc ) |
Emit an event. | |
![]() | |
To * | node_cast (node *n) |
Downcast a node to one of the abstract node types. | |
void | intrusive_ptr_add_ref (const node *n) |
Increment the reference count. | |
void | intrusive_ptr_release (const node *n) |
Decrement the reference count. | |
bool | is_proto_instance (const node &n) |
Check whether a node is a PROTO instance. |
Abstract base class for grouping nodes.
|
pure virtual |
Destroy.
|
protected |
Construct.
[in] | type | the node_type associated with the node. |
[in] | scope | the scope the node belongs to. |
const std::vector< boost::intrusive_ptr< openvrml::node > > openvrml::grouping_node::children | ( | ) | const throw ( std::bad_alloc ) |
Get the children in the scene graph.
This function delegates to do_children
.
std::bad_alloc | if memory allocation fails. |
void openvrml::grouping_node::activate_pointing_device_sensors | ( | double | timestamp, |
bool | over, | ||
bool | active, | ||
const double(&) | p[3] | ||
) |
Called in response to user interaction to activate any child pointing device sensor nodes.
Calls pointing_device_sendor_node::activate
for child pointing_device_sensor_nodes
, recursively.
[in] | timestamp | the current time. |
[in] | over | whether the pointer is over sensitive geometry. |
[in] | active | whether the pointer has activated sensitive geometry. |
[in] | p | the activation point. |
|
privatevirtual |
Cast to a grouping_node
.
grouping_node
.
|
privatepure virtual |
Get the children in the scene graph.
std::bad_alloc | if memory allocation fails. |