1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
|
////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2009 Laurent Gomila (laurent.gom@gmail.com)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
/// Default constructor
////////////////////////////////////////////////////////////
template <typename T>
Vector3<T>::Vector3() :
x(0),
y(0),
z(0)
{
}
////////////////////////////////////////////////////////////
/// Construct the color from its coordinates
////////////////////////////////////////////////////////////
template <typename T>
Vector3<T>::Vector3(T X, T Y, T Z) :
x(X),
y(Y),
z(Z)
{
}
////////////////////////////////////////////////////////////
/// Operator - overload ; returns the opposite of a vector
////////////////////////////////////////////////////////////
template <typename T>
Vector3<T> operator -(const Vector3<T>& V)
{
return Vector3<T>(-V.x, -V.y, -V.z);
}
////////////////////////////////////////////////////////////
/// Operator += overload ; add two vectors and assign to the first op
////////////////////////////////////////////////////////////
template <typename T>
Vector3<T>& operator +=(Vector3<T>& V1, const Vector3<T>& V2)
{
V1.x += V2.x;
V1.y += V2.y;
V1.z += V2.z;
return V1;
}
////////////////////////////////////////////////////////////
/// Operator -= overload ; subtract two vectors and assign to the first op
////////////////////////////////////////////////////////////
template <typename T>
Vector3<T>& operator -=(Vector3<T>& V1, const Vector3<T>& V2)
{
V1.x -= V2.x;
V1.y -= V2.y;
V1.z -= V2.z;
return V1;
}
////////////////////////////////////////////////////////////
/// Operator + overload ; adds two vectors
////////////////////////////////////////////////////////////
template <typename T>
Vector3<T> operator +(const Vector3<T>& V1, const Vector3<T>& V2)
{
return Vector3<T>(V1.x + V2.x, V1.y + V2.y, V1.z + V2.z);
}
////////////////////////////////////////////////////////////
/// Operator - overload ; subtracts two vectors
////////////////////////////////////////////////////////////
template <typename T>
Vector3<T> operator -(const Vector3<T>& V1, const Vector3<T>& V2)
{
return Vector3<T>(V1.x - V2.x, V1.y - V2.y, V1.z - V2.z);
}
////////////////////////////////////////////////////////////
/// Operator * overload ; multiply a vector by a scalar value
////////////////////////////////////////////////////////////
template <typename T>
Vector3<T> operator *(const Vector3<T>& V, T X)
{
return Vector3<T>(V.x * X, V.y * X, V.z * X);
}
////////////////////////////////////////////////////////////
/// Operator * overload ; multiply a scalar value by a vector
////////////////////////////////////////////////////////////
template <typename T>
Vector3<T> operator *(T X, const Vector3<T>& V)
{
return Vector3<T>(V.x * X, V.y * X, V.z * X);
}
////////////////////////////////////////////////////////////
/// Operator *= overload ; multiply-assign a vector by a scalar value
////////////////////////////////////////////////////////////
template <typename T>
Vector3<T>& operator *=(Vector3<T>& V, T X)
{
V.x *= X;
V.y *= X;
V.z *= X;
return V;
}
////////////////////////////////////////////////////////////
/// Operator / overload ; divide a vector by a scalar value
////////////////////////////////////////////////////////////
template <typename T>
Vector3<T> operator /(const Vector3<T>& V, T X)
{
return Vector3<T>(V.x / X, V.y / X, V.z / X);
}
////////////////////////////////////////////////////////////
/// Operator /= overload ; divide-assign a vector by a scalar value
////////////////////////////////////////////////////////////
template <typename T>
Vector3<T>& operator /=(Vector3<T>& V, T X)
{
V.x /= X;
V.y /= X;
V.z /= X;
return V;
}
////////////////////////////////////////////////////////////
/// Operator == overload ; compares the equality of two vectors
////////////////////////////////////////////////////////////
template <typename T>
bool operator ==(const Vector3<T>& V1, const Vector3<T>& V2)
{
return (V1.x == V2.x) && (V1.y == V2.y) && (V1.z == V2.z);
}
////////////////////////////////////////////////////////////
/// Operator != overload ; compares the difference of two vectors
////////////////////////////////////////////////////////////
template <typename T>
bool operator !=(const Vector3<T>& V1, const Vector3<T>& V2)
{
return (V1.x != V2.x) || (V1.y != V2.y) || (V1.z != V2.z);
}
|
