blob: ba6d046bb6a3dab738be5194747c3c069dda4d04 (
plain)
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
|
/*
* Copyright (C) 2012-2013 Team XBMC
* http://xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#include <math.h>
#include "Vector.h"
CVector::CVector()
{
reset();
}
CVector::CVector(float xCoord, float yCoord)
: x(xCoord),
y(yCoord)
{ }
void CVector::reset()
{
x = 0.0f;
y = 0.0f;
}
const CVector CVector::operator+(const CVector &other) const
{
return CVector(x + other.x, y + other.y);
}
const CVector CVector::operator-(const CVector &other) const
{
return CVector(x - other.x, y - other.y);
}
CVector& CVector::operator+=(const CVector &other)
{
x += other.x;
y += other.y;
return *this;
}
CVector& CVector::operator-=(const CVector &other)
{
x -= other.x;
y -= other.y;
return *this;
}
float CVector::scalar(const CVector &other) const
{
return x * other.x + y * other.y;
}
float CVector::length() const
{
return sqrt(pow(x, 2) + pow(y, 2));
}
|
