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SbBox3f.h
1 #ifndef COIN_SBBOX3F_H
2 #define COIN_SBBOX3F_H
3 
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35 
36 #include <cstdio>
37 
38 #include <Inventor/SbVec3f.h>
39 
40 class SbBox3d;
41 class SbBox3i32;
42 class SbBox3s;
43 
44 class SbMatrix;
45 
46 class COIN_DLL_API SbBox3f {
47 public:
48  SbBox3f(void) { makeEmpty(); }
49  SbBox3f(float xmin, float ymin, float zmin, float xmax, float ymax, float zmax)
50  : minpt(xmin, ymin, zmin), maxpt(xmax, ymax, zmax) { }
51  SbBox3f(const SbVec3f & minpoint, const SbVec3f & maxpoint)
52  : minpt(minpoint), maxpt(maxpoint) { }
53  explicit SbBox3f(const SbBox3d & box) { setBounds(box); }
54  explicit SbBox3f(const SbBox3s & box) { setBounds(box); }
55  explicit SbBox3f(const SbBox3i32 & box) { setBounds(box); }
56 
57  SbBox3f & setBounds(float xmin, float ymin, float zmin, float xmax, float ymax, float zmax)
58  { minpt.setValue(xmin, ymin, zmin); maxpt.setValue(xmax, ymax, zmax); return *this; }
59  SbBox3f & setBounds(const SbVec3f & minpoint, const SbVec3f & maxpoint)
60  { minpt = minpoint; maxpt = maxpoint; return *this; }
61  SbBox3f & setBounds(const SbBox3d & box);
62  SbBox3f & setBounds(const SbBox3s & box);
63  SbBox3f & setBounds(const SbBox3i32 & box);
64 
65  void getBounds(float & xmin, float & ymin, float & zmin, float & xmax, float & ymax, float & zmax) const
66  { minpt.getValue(xmin, ymin, zmin); maxpt.getValue(xmax, ymax, zmax); }
67  void getBounds(SbVec3f & minpoint, SbVec3f & maxpoint) const
68  { minpoint = minpt; maxpoint = maxpt; }
69 
70  const SbVec3f & getMin(void) const { return minpt; }
71  SbVec3f & getMin(void) { return minpt; }
72  const SbVec3f & getMax(void) const { return maxpt; }
73  SbVec3f & getMax(void) { return maxpt; }
74 
75  void extendBy(const SbVec3f & pt);
76  void extendBy(const SbBox3f & box);
77  void transform(const SbMatrix & matrix);
78  void makeEmpty(void);
79  SbBool isEmpty(void) const { return maxpt[0] < minpt[0]; }
80  SbBool hasVolume(void) const
81  { return ((maxpt[0] > minpt[0]) && (maxpt[1] > minpt[1]) && (maxpt[2] > minpt[2])); }
82  float getVolume(void) const
83  { float dx = 0.0f, dy = 0.0f, dz = 0.0f; getSize(dx, dy, dz); return (dx * dy * dz); }
84 
85  SbBool intersect(const SbVec3f & pt) const;
86  SbBool intersect(const SbBox3f & box) const;
87  SbVec3f getClosestPoint(const SbVec3f & point) const;
88  SbBool outside(const SbMatrix & mvp, int & cullbits) const;
89 
90  SbVec3f getCenter(void) const { return (minpt + maxpt) * 0.5f; }
91  void getOrigin(float & originX, float & originY, float & originZ) const
92  { minpt.getValue(originX, originY, originZ); }
93  void getSize(float & sizeX, float & sizeY, float & sizeZ) const
94  { if (isEmpty()) { sizeX = sizeY = sizeZ = 0; }
95  else { sizeX = maxpt[0] - minpt[0]; sizeY = maxpt[1] - minpt[1]; sizeZ = maxpt[2] - minpt[2]; } }
96 
97  SbVec3f getSize(void) const {
98  SbVec3f v;
99  this->getSize(v[0], v[1], v[2]);
100  return v;
101  }
102  void getSpan(const SbVec3f & dir, float & dmin, float & dmax) const;
103 
104  void print(FILE * file) const;
105 
106 private:
107  SbVec3f minpt, maxpt;
108 
109 }; // SbBox3f
110 
111 COIN_DLL_API inline int operator == (const SbBox3f & b1, const SbBox3f & b2) {
112  return ((b1.getMin() == b2.getMin()) && (b1.getMax() == b2.getMax()));
113 }
114 
115 COIN_DLL_API inline int operator != (const SbBox3f & b1, const SbBox3f & b2) {
116  return !(b1 == b2);
117 }
118 
119 #endif // !COIN_SBBOX3F_H
void getOrigin(float &originX, float &originY, float &originZ) const
Definition: SbBox3f.h:91
SbBox3f & setBounds(const SbVec3f &minpoint, const SbVec3f &maxpoint)
Definition: SbBox3f.h:59
The SbBox3s class is a 3 dimensional box with short integer coordinates.
Definition: SbBox3s.h:43
SbVec3f & getMin(void)
Definition: SbBox3f.h:71
The SbBox3f class is an abstraction for an axis aligned 3 dimensional box.
Definition: SbBox3f.h:46
float getVolume(void) const
Definition: SbBox3f.h:82
int operator==(const SbBox2s &b1, const SbBox2s &b2)
Definition: SbBox2s.h:102
void getSize(float &sizeX, float &sizeY, float &sizeZ) const
Definition: SbBox3f.h:93
SbBox3f(void)
Definition: SbBox3f.h:48
int operator!=(const SbBox2s &b1, const SbBox2s &b2)
Definition: SbBox2s.h:106
SbBox3f(float xmin, float ymin, float zmin, float xmax, float ymax, float zmax)
Definition: SbBox3f.h:49
SbBox3f & setBounds(float xmin, float ymin, float zmin, float xmax, float ymax, float zmax)
Definition: SbBox3f.h:57
The SbVec3f class is a 3 dimensional vector with floating point coordinates.
Definition: SbVec3f.h:51
void getBounds(SbVec3f &minpoint, SbVec3f &maxpoint) const
Definition: SbBox3f.h:67
const SbVec3f & getMax(void) const
Definition: SbBox3f.h:72
SbBox3f(const SbVec3f &minpoint, const SbVec3f &maxpoint)
Definition: SbBox3f.h:51
SbVec3f getSize(void) const
Definition: SbBox3f.h:97
The SbMatrix class is a 4x4 dimensional representation of a matrix.
Definition: SbMatrix.h:47
SbVec3f & getMax(void)
Definition: SbBox3f.h:73
The SbBox3d class is an abstraction for an axis aligned 3 dimensional box.
Definition: SbBox3d.h:46
const SbVec3f & getMin(void) const
Definition: SbBox3f.h:70
Definition: SbBox3i32.h:44
SbVec3f getCenter(void) const
Definition: SbBox3f.h:90
SbBool isEmpty(void) const
Definition: SbBox3f.h:79
void getBounds(float &xmin, float &ymin, float &zmin, float &xmax, float &ymax, float &zmax) const
Definition: SbBox3f.h:65
SbBool hasVolume(void) const
Definition: SbBox3f.h:80