SbOctTree.h
#ifndef COIN_SBOCTTREE_H
#define COIN_SBOCTTREE_H
/**************************************************************************\
* Copyright (c) Kongsberg Oil & Gas Technologies AS
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* this list of conditions and the following disclaimer.
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* this software without specific prior written permission.
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\**************************************************************************/
#include <Inventor/SbVec3f.h>
#include <Inventor/lists/SbList.h>
#include <Inventor/SbBox3f.h>
#include <cstdio>
class SbSphere;
class SbOctTreeNode;
class SbPlane;
// *************************************************************************
typedef struct
{
SbBool (*ptinsidefunc)(void * const item, const SbVec3f & pt);
SbBool (*insideboxfunc)(void * const item, const SbBox3f & box);
SbBool (*insidespherefunc)(void * const item, const SbSphere & sphere);
SbBool (*insideplanesfunc)(void * const item,
const SbPlane * const planes,
const int numplanes);
} SbOctTreeFuncs;
// *************************************************************************
class COIN_DLL_API SbOctTree {
public:
SbOctTree(const SbBox3f & bbox,
const SbOctTreeFuncs & itemfuncs,
const int maxitemspernode = 64);
~SbOctTree();
void addItem(void * const item);
void removeItem(void * const item);
void findItems(const SbVec3f & pos,
SbList <void*> & destarray,
const SbBool removeduplicates = TRUE) const;
void findItems(const SbBox3f & box,
SbList <void*> & destarray,
const SbBool removeduplicates = TRUE) const;
void findItems(const SbSphere & sphere,
SbList <void*> & destarray,
const SbBool removeduplicates = TRUE) const;
void findItems(const SbPlane * const planes,
const int numplanes,
SbList <void*> & destarray,
const SbBool removeduplicates= TRUE) const;
const SbBox3f & getBoundingBox(void) const;
void clear(void);
void debugTree(FILE * fp);
private:
SbOctTreeNode * topnode;
SbOctTreeFuncs itemfuncs;
int maxitemspernode;
};
// *************************************************************************
#endif // !COIN_SBOCTTREE_H
SbBox3f
The SbBox3f class is an abstraction for an axis aligned 3 dimensional box.
Definition SbBox3f.h:46
SbOctTree::removeItem
void removeItem(void *const item)
Definition SbOctTree.cpp:554
SbOctTree::clear
void clear(void)
Definition SbOctTree.cpp:503
SbOctTree::getBoundingBox
const SbBox3f & getBoundingBox(void) const
Definition SbOctTree.cpp:660
SbOctTree::addItem
void addItem(void *const item)
Definition SbOctTree.cpp:514
SbOctTree::findItems
void findItems(const SbVec3f &pos, SbList< void * > &destarray, const SbBool removeduplicates=TRUE) const
Definition SbOctTree.cpp:571
SbOctTree::SbOctTree
SbOctTree(const SbBox3f &bbox, const SbOctTreeFuncs &itemfuncs, const int maxitemspernode=64)
Definition SbOctTree.cpp:481
SbPlane
The SbPlane class represents a plane in 3D space.
Definition SbPlane.h:43
SbSphere
The SbSphere class is a representation of a sphere.
Definition SbSphere.h:42
SbVec3f
The SbVec3f class is a 3 dimensional vector with floating point coordinates.
Definition SbVec3f.h:51
SbOctTreeFuncs
Definition SbOctTree.h:48
SbOctTreeFuncs::insideplanesfunc
SbBool(* insideplanesfunc)(void *const item, const SbPlane *const planes, const int numplanes)
Definition SbOctTree.h:52
SbOctTreeFuncs::ptinsidefunc
SbBool(* ptinsidefunc)(void *const item, const SbVec3f &pt)
Definition SbOctTree.h:49
SbOctTreeFuncs::insideboxfunc
SbBool(* insideboxfunc)(void *const item, const SbBox3f &box)
Definition SbOctTree.h:50
SbOctTreeFuncs::insidespherefunc
SbBool(* insidespherefunc)(void *const item, const SbSphere &sphere)
Definition SbOctTree.h:51