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SbVec3f.h
1 #ifndef COIN_SBVEC3F_H
2 #define COIN_SBVEC3F_H
3 
4 /**************************************************************************\
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35 
36 #include <cstdio>
37 
38 #include <Inventor/SbBasic.h>
39 #include <Inventor/SbByteBuffer.h>
40 #include <Inventor/SbString.h>
41 #ifndef NDEBUG
42 #include <Inventor/errors/SoDebugError.h>
43 #endif // !NDEBUG
44 
45 class SbPlane;
46 class SbVec3d;
47 class SbVec3b;
48 class SbVec3s;
49 class SbVec3i32;
50 
51 class COIN_DLL_API SbVec3f {
52 public:
53  SbVec3f(void) { }
54  SbVec3f(const float v[3]) { vec[0] = v[0]; vec[1] = v[1]; vec[2] = v[2]; }
55  SbVec3f(float x, float y, float z) { vec[0] = x; vec[1] = y; vec[2] = z; }
56  explicit SbVec3f(const SbVec3d & v) { setValue(v); }
57  explicit SbVec3f(const SbVec3b & v) { setValue(v); }
58  explicit SbVec3f(const SbVec3s & v) { setValue(v); }
59  explicit SbVec3f(const SbVec3i32 & v) { setValue(v); }
60  SbVec3f(const SbPlane & p0, const SbPlane & p1, const SbPlane & p2);
61 
62  SbVec3f & setValue(const float v[3]) { vec[0] = v[0]; vec[1] = v[1]; vec[2] = v[2]; return *this; }
63  SbVec3f & setValue(float x, float y, float z) { vec[0] = x; vec[1] = y; vec[2] = z; return *this; }
64  SbVec3f & setValue(const SbVec3f & barycentric,
65  const SbVec3f & v0,
66  const SbVec3f & v1,
67  const SbVec3f & v2);
68  SbVec3f & setValue(const SbVec3d & v);
69  SbVec3f & setValue(const SbVec3b & v);
70  SbVec3f & setValue(const SbVec3s & v);
71  SbVec3f & setValue(const SbVec3i32 & v);
72 
73  const float * getValue(void) const { return vec; }
74  void getValue(float & x, float & y, float & z) const { x = vec[0]; y = vec[1]; z = vec[2]; }
75 
76  float & operator [] (int i) { return vec[i]; }
77  const float & operator [] (int i) const { return vec[i]; }
78 
79  SbBool equals(const SbVec3f & v, float tolerance) const;
80  SbVec3f cross(const SbVec3f & v) const;
81  float dot(const SbVec3f & v) const { return vec[0] * v[0] + vec[1] * v[1] + vec[2] * v[2]; }
82  SbVec3f getClosestAxis(void) const;
83  float length(void) const;
84  float sqrLength(void) const { return vec[0] * vec[0] + vec[1] * vec[1] + vec[2] * vec[2]; }
85  float normalize(void);
86  void negate(void) { vec[0] = -vec[0]; vec[1] = -vec[1]; vec[2] = -vec[2]; }
87 
88  SbVec3f & operator *= (float d) { vec[0] *= d; vec[1] *= d; vec[2] *= d; return *this; }
89  SbVec3f & operator /= (float d) { SbDividerChk("SbVec3f::operator/=(float)", d); return operator *= (1.0f / d); }
90  SbVec3f & operator += (const SbVec3f & v) { vec[0] += v[0]; vec[1] += v[1]; vec[2] += v[2]; return *this; }
91  SbVec3f & operator -= (const SbVec3f & v) { vec[0] -= v[0]; vec[1] -= v[1]; vec[2] -= v[2]; return *this; }
92  SbVec3f operator - (void) const { return SbVec3f(-vec[0], -vec[1], -vec[2]); }
93 
94  SbString toString() const;
95  SbBool fromString(const SbString & str);
96 
97  void print(FILE * fp) const;
98 
99 protected:
100  float vec[3];
101 
102 }; // SbVec3f
103 
104 COIN_DLL_API inline SbVec3f operator * (const SbVec3f & v, float d) {
105  SbVec3f val(v); val *= d; return val;
106 }
107 
108 COIN_DLL_API inline SbVec3f operator * (float d, const SbVec3f & v) {
109  SbVec3f val(v); val *= d; return val;
110 }
111 
112 COIN_DLL_API inline SbVec3f operator / (const SbVec3f & v, float d) {
113  SbDividerChk("operator/(SbVec3f,float)", d);
114  SbVec3f val(v); val /= d; return val;
115 }
116 
117 COIN_DLL_API inline SbVec3f operator + (const SbVec3f & v1, const SbVec3f & v2) {
118  SbVec3f v(v1); v += v2; return v;
119 }
120 
121 COIN_DLL_API inline SbVec3f operator - (const SbVec3f & v1, const SbVec3f & v2) {
122  SbVec3f v(v1); v -= v2; return v;
123 }
124 
125 COIN_DLL_API inline int operator == (const SbVec3f & v1, const SbVec3f & v2) {
126  return ((v1[0] == v2[0]) && (v1[1] == v2[1]) && (v1[2] == v2[2]));
127 }
128 
129 COIN_DLL_API inline int operator != (const SbVec3f & v1, const SbVec3f & v2) {
130  return !(v1 == v2);
131 }
132 
133 #endif // !COIN_SBVEC3F_H
SbVec3f(const SbVec3d &v)
Definition: SbVec3f.h:56
SbVec3f(void)
Definition: SbVec3f.h:53
The SbVec3d class is a 3 dimensional vector with double precision floating point coordinates.
Definition: SbVec3d.h:50
SbVec3f(float x, float y, float z)
Definition: SbVec3f.h:55
float sqrLength(void) const
Definition: SbVec3f.h:84
SbVec3f(const SbVec3i32 &v)
Definition: SbVec3f.h:59
int operator==(const SbBox2s &b1, const SbBox2s &b2)
Definition: SbBox2s.h:102
const float * getValue(void) const
Definition: SbVec3f.h:73
float dot(const SbVec3f &v) const
Definition: SbVec3f.h:81
SbVec3f(const float v[3])
Definition: SbVec3f.h:54
SbVec2s operator-(const SbVec2s &v1, const SbVec2s &v2)
The SbVec3s class is a 3 dimensional vector with short integer coordinates.
Definition: SbVec3s.h:51
int operator!=(const SbBox2s &b1, const SbBox2s &b2)
Definition: SbBox2s.h:106
SbVec3f(const SbVec3s &v)
Definition: SbVec3f.h:58
The SbVec3f class is a 3 dimensional vector with floating point coordinates.
Definition: SbVec3f.h:51
SbVec3f & setValue(const float v[3])
Definition: SbVec3f.h:62
SbVec3f(const SbVec3b &v)
Definition: SbVec3f.h:57
SbVec3f & setValue(float x, float y, float z)
Definition: SbVec3f.h:63
Definition: SbVec3b.h:48
void negate(void)
Definition: SbVec3f.h:86
Definition: SbVec3i32.h:48
void getValue(float &x, float &y, float &z) const
Definition: SbVec3f.h:74
SbVec2s operator/(const SbVec2s &v, int d)
The SbPlane class represents a plane in 3D space.
Definition: SbPlane.h:43
SbVec2s operator*(const SbVec2s &v, int d)
The SbString class is a string class with convenience functions for string operations.
Definition: SbString.h:52
SbVec2s operator+(const SbVec2s &v1, const SbVec2s &v2)