|
|
| 47 |
{ |
47 |
{ |
| 48 |
} |
48 |
} |
| 49 |
|
49 |
|
|
|
50 |
double |
| 51 |
Vector3D::GetLength () const |
| 52 |
{ |
| 53 |
return sqrt (x*x + y*y + z*z); |
| 54 |
} |
| 55 |
|
| 56 |
Vector3D& |
| 57 |
Vector3D::operator += (const Vector3D &v) |
| 58 |
{ |
| 59 |
x += v.x; |
| 60 |
y += v.y; |
| 61 |
z += v.z; |
| 62 |
|
| 63 |
return *this; |
| 64 |
} |
| 65 |
|
| 66 |
Vector3D& |
| 67 |
Vector3D::operator += (double v) |
| 68 |
{ |
| 69 |
x += v; |
| 70 |
y += v; |
| 71 |
z += v; |
| 72 |
|
| 73 |
return *this; |
| 74 |
} |
| 75 |
|
| 76 |
Vector3D |
| 77 |
Vector3D::operator + (const Vector3D &v) const |
| 78 |
{ |
| 79 |
return Vector3D (x+v.x, y+v.y, z+v.z); |
| 80 |
} |
| 81 |
|
| 82 |
Vector3D |
| 83 |
Vector3D::operator + (double v) const |
| 84 |
{ |
| 85 |
return Vector3D (x+v, y+v, z+v); |
| 86 |
} |
| 87 |
|
| 88 |
Vector3D |
| 89 |
Vector3D::operator * (const Vector3D &v) const |
| 90 |
{ |
| 91 |
return Vector3D (x*v.x, y*v.y, z*v.z); |
| 92 |
} |
| 93 |
|
| 94 |
Vector3D |
| 95 |
Vector3D::operator * (double v) const |
| 96 |
{ |
| 97 |
return Vector3D (x*v, y*v, z*v); |
| 98 |
} |
| 99 |
|
| 100 |
Vector3D |
| 101 |
Vector3D::operator - (const Vector3D &v) const |
| 102 |
{ |
| 103 |
return Vector3D (x-v.x, y-v.y, z-v.z); |
| 104 |
} |
| 105 |
|
| 106 |
Vector3D |
| 107 |
Vector3D::operator / (double div) const |
| 108 |
{ |
| 109 |
return Vector3D (x/div, y/div, z/div); |
| 110 |
} |
| 111 |
|
| 50 |
Vector2D::Vector2D (double _x, double _y) |
112 |
Vector2D::Vector2D (double _x, double _y) |
| 51 |
: x (_x), |
113 |
: x (_x), |
| 52 |
y (_y) |
114 |
y (_y) |
|
|
| 60 |
} |
122 |
} |
| 61 |
|
123 |
|
| 62 |
double |
124 |
double |
|
|
125 |
Vector2D::GetLength () const |
| 126 |
{ |
| 127 |
return sqrt (x*x + y*y); |
| 128 |
} |
| 129 |
|
| 130 |
Vector2D& |
| 131 |
Vector2D::operator += (const Vector2D &v) |
| 132 |
{ |
| 133 |
x += v.x; |
| 134 |
y += v.y; |
| 135 |
|
| 136 |
return *this; |
| 137 |
} |
| 138 |
|
| 139 |
Vector2D& |
| 140 |
Vector2D::operator += (double v) |
| 141 |
{ |
| 142 |
x += v; |
| 143 |
y += v; |
| 144 |
|
| 145 |
return *this; |
| 146 |
} |
| 147 |
|
| 148 |
Vector2D |
| 149 |
Vector2D::operator + (const Vector2D &v) const |
| 150 |
{ |
| 151 |
return Vector2D (x+v.x, y+v.y); |
| 152 |
} |
| 153 |
|
| 154 |
Vector2D |
| 155 |
Vector2D::operator + (double v) const |
| 156 |
{ |
| 157 |
return Vector2D (x+v, y+v); |
| 158 |
} |
| 159 |
|
| 160 |
Vector2D |
| 161 |
Vector2D::operator * (const Vector2D &v) const |
| 162 |
{ |
| 163 |
return Vector2D (x*v.x, y*v.y); |
| 164 |
} |
| 165 |
|
| 166 |
Vector2D |
| 167 |
Vector2D::operator * (double v) const |
| 168 |
{ |
| 169 |
return Vector2D (x*v, y*v); |
| 170 |
} |
| 171 |
|
| 172 |
Vector2D |
| 173 |
Vector2D::operator - (const Vector2D &v) const |
| 174 |
{ |
| 175 |
return Vector2D (x-v.x, y-v.y); |
| 176 |
} |
| 177 |
|
| 178 |
Vector2D |
| 179 |
Vector2D::operator / (double div) const |
| 180 |
{ |
| 181 |
return Vector2D (x/div, y/div); |
| 182 |
} |
| 183 |
|
| 184 |
double |
| 63 |
CalculateDistance (const Vector3D &a, const Vector3D &b) |
185 |
CalculateDistance (const Vector3D &a, const Vector3D &b) |
| 64 |
{ |
186 |
{ |
| 65 |
double dx = b.x - a.x; |
187 |
double dx = b.x - a.x; |
|
Lines 77-82
CalculateDistance (const Vector2D &a, const Vector2D &b)
|
Link Here
|
|---|
|
| 77 |
return distance; |
199 |
return distance; |
| 78 |
} |
200 |
} |
| 79 |
|
201 |
|
|
|
202 |
|
| 203 |
double |
| 204 |
ScalarMultiplication (const Vector3D &a, const Vector3D &b) |
| 205 |
{ |
| 206 |
Vector3D tmp = a * b; |
| 207 |
return tmp.x + tmp.y + tmp.z; |
| 208 |
} |
| 209 |
|
| 210 |
double |
| 211 |
ScalarMultiplication (const Vector2D &a, const Vector2D &b) |
| 212 |
{ |
| 213 |
Vector2D tmp = a * b; |
| 214 |
return tmp.x + tmp.y; |
| 215 |
} |
| 216 |
|
| 80 |
std::ostream &operator << (std::ostream &os, const Vector3D &vector) |
217 |
std::ostream &operator << (std::ostream &os, const Vector3D &vector) |
| 81 |
{ |
218 |
{ |
| 82 |
os << vector.x << ":" << vector.y << ":" << vector.z; |
219 |
os << vector.x << ":" << vector.y << ":" << vector.z; |