Ogre::OctreeNode Class Reference

Specialized SceneNode that is customized for working within an Octree. More...

#include <OgreOctreeNode.h>

Inheritance diagram for Ogre::OctreeNode:

Public Member Functions
	OctreeNode (SceneManager *creator)
	Standard constructor.
	OctreeNode (SceneManager *creator, const String &name)
	Standard constructor.
	~OctreeNode ()
	Standard destructor.
virtual void	_addToRenderQueue (Camera *cam, RenderQueue *q, bool onlyShadowCasters, VisibleObjectsBoundsInfo *visibleBounds)
	Adds all the attached scenenodes to the render queue.
AxisAlignedBox &	_getLocalAABB ()
	Returns the local bounding box of this OctreeNode.
bool	_isIn (AxisAlignedBox &box)
	Determines if the center of this node is within the given box.
Octree *	getOctant ()
	Returns the Octree in which this OctreeNode resides.
virtual void	getRenderOperation (RenderOperation &op)
	Sets up the LegacyRenderOperation for rendering this scene node as geometry.
void	removeAllChildren (void) override
	Overridden from Node to remove any reference to octants.
Node *	removeChild (const String &name) override
	Overridden from Node to remove any reference to octants.
Node *	removeChild (Node *child) override
	Overridden from Node to remove any reference to octants.
Node *	removeChild (unsigned short index) override
	Overridden from Node to remove any reference to octants.
void	setOctant (Octree *o)
	Sets the Octree in which this OctreeNode resides.
Public Member Functions inherited from Ogre::SceneNode
	SceneNode (SceneManager *creator)
	Constructor, only to be called by the creator SceneManager.
	SceneNode (SceneManager *creator, const String &name)
	Constructor, only to be called by the creator SceneManager.
	~SceneNode ()
void	_autoTrack (void)
	Internal method used by OGRE to update auto-tracking cameras.
void	_findVisibleObjects (Camera *cam, RenderQueue *queue, VisibleObjectsBoundsInfo *visibleBounds, bool includeChildren=true, bool displayNodes=false, bool onlyShadowCasters=false)
	Internal method which locates any visible objects attached to this node and adds them to the passed in queue.
const AxisAlignedBox &	_getWorldAABB (void) const
	Gets the axis-aligned bounding box of this node (and hence all subnodes).
void	_notifyRootNode (void)
	Notifies this SceneNode that it is the root scene node.
void	_update (bool updateChildren, bool parentHasChanged) override
	Internal method to update the Node.
virtual void	attachObject (MovableObject *obj)
	Adds an instance of a scene object to this node.
virtual SceneNode *	createChildSceneNode (const String &name, const Vector3 &translate=Vector3::ZERO, const Quaternion &rotate=Quaternion::IDENTITY)
	Creates a new named SceneNode as a child of this node.
virtual SceneNode *	createChildSceneNode (const Vector3 &translate=Vector3::ZERO, const Quaternion &rotate=Quaternion::IDENTITY)
	Creates an unnamed new SceneNode as a child of this node.
void	destroyAllChildrenAndObjects ()
	Destroys everything attatched to or decended from this node.
void	destroyAllObjects (void)
	Detaches and destroys all objects attached to this node.
void	destroyChildAndObjects (const String &name)
	Removes and destroys the child and all movable objects attached to the child, and does the same to any children of that child node.
void	destroyChildAndObjects (SceneNode *child)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
void	destroyChildAndObjects (unsigned short index)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
virtual void	detachAllObjects (void)
	Detaches all objects attached to this node.
virtual MovableObject *	detachObject (const String &name)
	Detaches the named object from this node and returns a pointer to it.
virtual void	detachObject (MovableObject *obj)
	Detaches an object by pointer.
virtual MovableObject *	detachObject (unsigned short index)
	Detaches the indexed object from this scene node.
void	findLights (LightList &destList, Real radius, uint32 lightMask=0xFFFFFFFF) const
	Allows retrieval of the nearest lights to the centre of this SceneNode.
void	flipVisibility (bool cascade=true) const
	Inverts the visibility of all objects attached to this node.
MovableObject *	getAttachedObject (const String &name) const
	Retrieves a pointer to an attached object by name.
MovableObject *	getAttachedObject (size_t index) const
	Retrieves a pointer to an attached object by index.
ObjectIterator	getAttachedObjectIterator (void)
ConstObjectIterator	getAttachedObjectIterator (void) const
const ObjectMap &	getAttachedObjects () const
	The MovableObjects attached to this node.
const Vector3 &	getAutoTrackLocalDirection (void) const
	Get the auto tracking local direction for this node, if it is auto tracking.
const Vector3 &	getAutoTrackOffset (void) const
	Get the auto tracking offset for this node, if the node is auto tracking.
SceneNode *	getAutoTrackTarget (void) const
	Get the auto tracking target for this node, if any.
SceneManager *	getCreator (void) const
	Gets the creator of this scene node.
SceneNode *	getParentSceneNode (void) const
	Gets the parent of this SceneNode.
bool	getShowBoundingBox () const
	This allows scene managers to determine if the node's bounding box should be added to the rendering queue.
bool	isInSceneGraph (void) const
	Determines whether this node is in the scene graph, i.e.
void	loadChildren (const String &filename)
	Load a scene from a file as children of this node.
void	lookAt (const Vector3 &targetPoint, TransformSpace relativeTo, const Vector3 &localDirectionVector=Vector3::NEGATIVE_UNIT_Z)
	Points the local -Z direction of this node at a point in space.
size_t	numAttachedObjects (void) const
	Reports the number of objects attached to this node.
void	removeAndDestroyAllChildren (void)
	Removes and destroys all children of this node.
void	removeAndDestroyChild (const String &name)
	This method removes and destroys the named child and all of its children.
void	removeAndDestroyChild (SceneNode *child)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
void	removeAndDestroyChild (unsigned short index)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
void	saveChildren (const String &filename)
	Save the scene hierarchy starting at this node to file.
void	setAutoTracking (bool enabled, SceneNode *const target=0, const Vector3 &localDirectionVector=Vector3::NEGATIVE_UNIT_Z, const Vector3 &offset=Vector3::ZERO)
	Enables / disables automatic tracking of another SceneNode.
void	setDebugDisplayEnabled (bool enabled, bool cascade=true) const
	Tells all objects attached to this node whether to display their debug information or not.
void	setDirection (const Vector3 &vec, TransformSpace relativeTo=TS_PARENT, const Vector3 &localDirectionVector=Vector3::NEGATIVE_UNIT_Z)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
void	setDirection (Real x, Real y, Real z, TransformSpace relativeTo=TS_PARENT, const Vector3 &localDirectionVector=Vector3::NEGATIVE_UNIT_Z)
	Sets the node's direction vector ie it's local -z.
void	setFixedYawAxis (bool useFixed, const Vector3 &fixedAxis=Vector3::UNIT_Y)
	Tells the node whether to yaw around it's own local Y axis or a fixed axis of choice.
void	setVisible (bool visible, bool cascade=true) const
	Makes all objects attached to this node become visible / invisible.
void	showBoundingBox (bool bShow)
	Allows the showing of the node's bounding box.
void	yaw (const Radian &angle, TransformSpace relativeTo=TS_LOCAL) override
	Rotate the node around the Y-axis.
Public Member Functions inherited from Ogre::Node
	Node ()
	Constructor, should only be called by parent, not directly.
	Node (const String &name)
	Constructor, should only be called by parent, not directly.
virtual	~Node ()
const Quaternion &	_getDerivedOrientation (void) const
	Gets the orientation of the node as derived from all parents.
const Vector3 &	_getDerivedPosition (void) const
	Gets the position of the node as derived from all parents.
const Vector3 &	_getDerivedScale (void) const
	Gets the scaling factor of the node as derived from all parents.
const Affine3 &	_getFullTransform (void) const
	Gets the full transformation matrix for this node.
void	_setDerivedOrientation (const Quaternion &q)
	Sets the final world orientation of the node directly.
void	_setDerivedPosition (const Vector3 &pos)
	Sets the final world position of the node directly.
void	addChild (Node *child)
	Adds a (precreated) child scene node to this node.
void	cancelUpdate (Node *child)
	Called by children to notify their parent that they no longer need an update.
Vector3	convertLocalToWorldDirection (const Vector3 &localDir, bool useScale)
	Gets the world direction of a point in the node local space useful for simple transforms that don't require a child node.
Quaternion	convertLocalToWorldOrientation (const Quaternion &localOrientation)
	Gets the world orientation of an orientation in the node local space useful for simple transforms that don't require a child node.
Vector3	convertLocalToWorldPosition (const Vector3 &localPos)
	Gets the world position of a point in the node local space useful for simple transforms that don't require a child node.
Vector3	convertWorldToLocalDirection (const Vector3 &worldDir, bool useScale)
	Gets the local direction, relative to this node, of the given world-space direction.
Quaternion	convertWorldToLocalOrientation (const Quaternion &worldOrientation)
	Gets the local orientation, relative to this node, of the given world-space orientation.
Vector3	convertWorldToLocalPosition (const Vector3 &worldPos)
	Gets the local position, relative to this node, of the given world-space position.
virtual Node *	createChild (const String &name, const Vector3 &translate=Vector3::ZERO, const Quaternion &rotate=Quaternion::IDENTITY)
	Creates a new named Node as a child of this node.
virtual Node *	createChild (const Vector3 &translate=Vector3::ZERO, const Quaternion &rotate=Quaternion::IDENTITY)
	Creates an unnamed new Node as a child of this node.
Node *	getChild (const String &name) const
	Gets a pointer to a named child node.
Node *	getChild (unsigned short index) const
	Gets a pointer to a child node.
ChildNodeIterator	getChildIterator (void)
ConstChildNodeIterator	getChildIterator (void) const
const ChildNodeMap &	getChildren () const
	List of sub-nodes of this Node.
bool	getInheritOrientation (void) const
	Returns true if this node is affected by orientation applied to the parent node.
bool	getInheritScale (void) const
	Returns true if this node is affected by scaling factors applied to the parent node.
const Quaternion &	getInitialOrientation (void) const
	Gets the initial orientation of this node, see setInitialState for more info.
const Vector3 &	getInitialPosition (void) const
	Gets the initial position of this node, see setInitialState for more info.
const Vector3 &	getInitialScale (void) const
	Gets the initial position of this node, see setInitialState for more info.
Listener *	getListener (void) const
	Gets the current listener for this Node.
Matrix3	getLocalAxes (void) const
	Gets a matrix whose columns are the local axes based on the nodes orientation relative to it's parent.
const String &	getName (void) const
	Returns the name of the node.
const Quaternion &	getOrientation () const
	Returns a quaternion representing the nodes orientation.
Node *	getParent (void) const
	Gets this node's parent (NULL if this is the root).
const Vector3 &	getPosition (void) const
	Gets the position of the node relative to it's parent.
const Vector3 &	getScale (void) const
	Gets the scaling factor of this node.
Real	getSquaredViewDepth (const Camera *cam) const
	Helper function, get the squared view depth.
const Any &	getUserAny (void) const
UserObjectBindings &	getUserObjectBindings ()
	Class that provides convenient interface to establish a linkage between custom user application objects and Ogre core classes.
const UserObjectBindings &	getUserObjectBindings () const
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
virtual void	needUpdate (bool forceParentUpdate=false)
	To be called in the event of transform changes to this node that require it's recalculation.
uint16	numChildren (void) const
	Reports the number of child nodes under this one.
virtual void	pitch (const Radian &angle, TransformSpace relativeTo=TS_LOCAL)
	Rotate the node around the X-axis.
void	requestUpdate (Node *child, bool forceParentUpdate=false)
	Called by children to notify their parent that they need an update.
void	resetOrientation (void)
	Resets the nodes orientation (local axes as world axes, no rotation).
void	resetToInitialState (void)
	Resets the position / orientation / scale of this node to it's initial state, see setInitialState for more info.
virtual void	roll (const Radian &angle, TransformSpace relativeTo=TS_LOCAL)
	Rotate the node around the Z-axis.
void	rotate (const Quaternion &q, TransformSpace relativeTo=TS_LOCAL)
	Rotate the node around an arbitrary axis using a Quarternion.
void	rotate (const Vector3 &axis, const Radian &angle, TransformSpace relativeTo=TS_LOCAL)
	Rotate the node around an arbitrary axis.
void	scale (const Vector3 &scale)
	Scales the node, combining it's current scale with the passed in scaling factor.
void	scale (Real x, Real y, Real z)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
void	setInheritOrientation (bool inherit)
	Tells the node whether it should inherit orientation from it's parent node.
void	setInheritScale (bool inherit)
	Tells the node whether it should inherit scaling factors from it's parent node.
void	setInitialState (void)
	Sets the current transform of this node to be the 'initial state' ie that position / orientation / scale to be used as a basis for delta values used in keyframe animation.
void	setListener (Listener *listener)
	Sets a listener for this Node.
void	setOrientation (const Quaternion &q)
	Sets the orientation of this node via a quaternion.
void	setOrientation (Real w, Real x, Real y, Real z)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
void	setPosition (const Vector3 &pos)
	Sets the position of the node relative to it's parent.
void	setPosition (Real x, Real y, Real z)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
void	setScale (const Vector3 &scale)
	Sets the scaling factor applied to this node.
void	setScale (Real x, Real y, Real z)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
void	setUserAny (const Any &anything)
void	translate (const Matrix3 &axes, const Vector3 &move, TransformSpace relativeTo=TS_PARENT)
	Moves the node along arbitrary axes.
void	translate (const Matrix3 &axes, Real x, Real y, Real z, TransformSpace relativeTo=TS_PARENT)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
void	translate (const Vector3 &d, TransformSpace relativeTo=TS_PARENT)
	Moves the node along the Cartesian axes.
void	translate (Real x, Real y, Real z, TransformSpace relativeTo=TS_PARENT)
	This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.

Additional Inherited Members
Public Types inherited from Ogre::SceneNode
typedef ConstVectorIterator< ObjectMap >	ConstObjectIterator
typedef VectorIterator< ObjectMap >	ObjectIterator
typedef std::vector< MovableObject * >	ObjectMap
Public Types inherited from Ogre::Node
typedef VectorIterator< ChildNodeMap >	ChildNodeIterator
typedef std::vector< Node * >	ChildNodeMap
typedef ConstVectorIterator< ChildNodeMap >	ConstChildNodeIterator
enum	TransformSpace { TS_LOCAL , TS_PARENT , TS_WORLD }
	Enumeration denoting the spaces which a transform can be relative to. More...
Static Public Member Functions inherited from Ogre::Node
static void	processQueuedUpdates (void)
	Process queued 'needUpdate' calls.
static void	queueNeedUpdate (Node *n)
	Queue a 'needUpdate' call to a node safely.

Detailed Description

Specialized SceneNode that is customized for working within an Octree.

Each node maintains its own bounding box, rather than merging it with all the children.

Constructor & Destructor Documentation

OctreeNode() [1/2]

Ogre::OctreeNode::OctreeNode

(

SceneManager *

creator

)

Standard constructor.

OctreeNode() [2/2]

Ogre::OctreeNode::OctreeNode	(	SceneManager *	creator,
		const String &	name
	)

Standard constructor.

~OctreeNode()

Ogre::OctreeNode::~OctreeNode

(

)

Standard destructor.

Member Function Documentation

removeChild() [1/3]

Node * Ogre::OctreeNode::removeChild ( unsigned short  index )

overridevirtual

Overridden from Node to remove any reference to octants.

Reimplemented from Ogre::Node.

removeChild() [2/3]

Node * Ogre::OctreeNode::removeChild ( const String &  name )

overridevirtual

Overridden from Node to remove any reference to octants.

Reimplemented from Ogre::Node.

removeChild() [3/3]

Node * Ogre::OctreeNode::removeChild ( Node *  child )

overridevirtual

Overridden from Node to remove any reference to octants.

Reimplemented from Ogre::Node.

removeAllChildren()

void Ogre::OctreeNode::removeAllChildren ( void  )

overridevirtual

Overridden from Node to remove any reference to octants.

Reimplemented from Ogre::Node.

getOctant()

Octree * Ogre::OctreeNode::getOctant ( )

inline

Returns the Octree in which this OctreeNode resides.

setOctant()

void Ogre::OctreeNode::setOctant ( Octree *  o )

inline

Sets the Octree in which this OctreeNode resides.

_isIn()

bool Ogre::OctreeNode::_isIn

(

AxisAlignedBox &

box

)

Determines if the center of this node is within the given box.

_addToRenderQueue()

virtual void Ogre::OctreeNode::_addToRenderQueue ( Camera *  cam, RenderQueue *  q, bool  onlyShadowCasters, VisibleObjectsBoundsInfo *  visibleBounds  )

virtual

Adds all the attached scenenodes to the render queue.

getRenderOperation()

virtual void Ogre::OctreeNode::getRenderOperation ( RenderOperation &  op )

virtual

Sets up the LegacyRenderOperation for rendering this scene node as geometry.

This will render the scenenode as a bounding box.

_getLocalAABB()

AxisAlignedBox & Ogre::OctreeNode::_getLocalAABB ( )

inline

Returns the local bounding box of this OctreeNode.

This is used to render the bounding box, rather then the global.

---

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

• OgreOctreeNode.h