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SbOctTree.h
1 #ifndef COIN_SBOCTTREE_H
2 #define COIN_SBOCTTREE_H
3 
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35 
36 #include <Inventor/SbVec3f.h>
37 #include <Inventor/lists/SbList.h>
38 #include <Inventor/SbBox3f.h>
39 #include <cstdio>
40 
41 class SbSphere;
42 class SbOctTreeNode;
43 class SbPlane;
44 
45 // *************************************************************************
46 
47 typedef struct
48 {
49  SbBool (*ptinsidefunc)(void * const item, const SbVec3f & pt);
50  SbBool (*insideboxfunc)(void * const item, const SbBox3f & box);
51  SbBool (*insidespherefunc)(void * const item, const SbSphere & sphere);
52  SbBool (*insideplanesfunc)(void * const item,
53  const SbPlane * const planes,
54  const int numplanes);
56 
57 // *************************************************************************
58 
59 class COIN_DLL_API SbOctTree {
60 public:
61  SbOctTree(const SbBox3f & bbox,
62  const SbOctTreeFuncs & itemfuncs,
63  const int maxitemspernode = 64);
64  ~SbOctTree();
65 
66  void addItem(void * const item);
67  void removeItem(void * const item);
68  void findItems(const SbVec3f & pos,
69  SbList <void*> & destarray,
70  const SbBool removeduplicates = TRUE) const;
71  void findItems(const SbBox3f & box,
72  SbList <void*> & destarray,
73  const SbBool removeduplicates = TRUE) const;
74  void findItems(const SbSphere & sphere,
75  SbList <void*> & destarray,
76  const SbBool removeduplicates = TRUE) const;
77  void findItems(const SbPlane * const planes,
78  const int numplanes,
79  SbList <void*> & destarray,
80  const SbBool removeduplicates= TRUE) const;
81 
82  const SbBox3f & getBoundingBox(void) const;
83  void clear(void);
84  void debugTree(FILE * fp);
85 
86 private:
87  SbOctTreeNode * topnode;
88  SbOctTreeFuncs itemfuncs;
89  int maxitemspernode;
90 };
91 
92 // *************************************************************************
93 
94 #endif // !COIN_SBOCTTREE_H
The SbSphere class is a representation of a sphere.
Definition: SbSphere.h:42
The SbBox3f class is an abstraction for an axis aligned 3 dimensional box.
Definition: SbBox3f.h:46
The SbList class is a template container class for lists.
Definition: SoType.h:55
The SbOctTree class defines a generic oct tree for fast geometry searches.
Definition: SbOctTree.h:59
The SbVec3f class is a 3 dimensional vector with floating point coordinates.
Definition: SbVec3f.h:51
The SbPlane class represents a plane in 3D space.
Definition: SbPlane.h:43
Definition: SbOctTree.h:47