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Abstract base class for viewpoint nodes. More...
#include <openvrml/node.h>
Public Member Functions | |
virtual | ~viewpoint_node ()=0 throw () |
Destructor. | |
const mat4f & | transformation () const throw () |
Get the transformation of the viewpoint_node in the global coordinate system. | |
const mat4f & | user_view_transform () const throw () |
Get the transformation of the user view relative to the viewpoint_node . | |
void | user_view_transform (const mat4f &transform) throw () |
Set the transformation of the user view relative to the viewpoint_node . | |
const std::string & | description () const throw () |
Get the description. | |
float | field_of_view () const throw () |
Get the field of view. | |
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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. | |
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virtual | ~bounded_volume_node () throw () |
Destroy. | |
const openvrml::bounding_volume & | bounding_volume () const |
Get this node's bounding volume. | |
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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 | |
viewpoint_node (const node_type &type, const boost::shared_ptr< openvrml::scope > &scope) throw () | |
Constructor. | |
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child_node (const node_type &type, const boost::shared_ptr< openvrml::scope > &scope) throw () | |
Constructor. | |
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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 . | |
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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 viewpoint_node * | to_viewpoint () throw () |
Cast to a viewpoint_node . | |
virtual const mat4f & | do_transformation () const =0 throw () |
Get the transformation of the viewpoint_node in the global coordinate system. | |
virtual const mat4f & | do_user_view_transform () const =0 throw () |
Get the transformation of the user view relative to the viewpoint_node . | |
virtual void | do_user_view_transform (const mat4f &transform)=0 throw () |
Set the transformation of the user view relative to the viewpoint_node . | |
virtual const std::string & | do_description () const =0 throw () |
Get the description. | |
virtual float | do_field_of_view () const =0 throw () |
Get the field of view. |
Additional Inherited Members | |
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static const boost::intrusive_ptr< node > | self_tag |
Special value used when initializing a script_node . | |
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static void | emit_event (openvrml::event_emitter &emitter, double timestamp) throw ( std::bad_alloc ) |
Emit an event. | |
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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 viewpoint nodes.
|
pure virtual |
Destructor.
|
protected |
Constructor.
[in] | type | the node_type associated with the node . |
[in] | scope | the scope the node belongs to. |
const openvrml::mat4f & openvrml::viewpoint_node::transformation | ( | ) | const throw () |
Get the transformation of the viewpoint_node
in the global coordinate system.
This function delegates to do_transformation
.
viewpoint_node
in the global coordinate system. const openvrml::mat4f & openvrml::viewpoint_node::user_view_transform | ( | ) | const throw () |
Get the transformation of the user view relative to the viewpoint_node
.
This function delegates to do_user_view_transform()
.
viewpoint_node
. void openvrml::viewpoint_node::user_view_transform | ( | const mat4f & | transform | ) | throw () |
Set the transformation of the user view relative to the viewpoint_node
.
This function delegates to do_user_view_transform(const mat4f &)
.
[in] | transform | the new transformation. |
const std::string & openvrml::viewpoint_node::description | ( | ) | const throw () |
float openvrml::viewpoint_node::field_of_view | ( | ) | const throw () |
Get the field of view.
This function delegates to do_field_of_view
.
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privatevirtual |
Cast to a viewpoint_node
.
viewpoint_node
.
|
privatepure virtual |
Get the transformation of the viewpoint_node
in the global coordinate system.
viewpoint_node
in the global coordinate system.
|
privatepure virtual |
Get the transformation of the user view relative to the viewpoint_node
.
viewpoint_node
.
|
privatepure virtual |
Set the transformation of the user view relative to the viewpoint_node
.
[in] | transform | the new transformation. |
|
privatepure virtual |
Get the description.
|
privatepure virtual |
Get the field of view.