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
|
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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
* of the License, 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 this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef TITANIC_FPOINT_H
#define TITANIC_FPOINT_H
namespace Titanic {
/**
* Floating point Point class
*/
class FPoint {
public:
double _x, _y;
public:
FPoint() : _x(0), _y(0) {}
FPoint(double x, double y) : _x(x), _y(y) {}
bool operator==(const FPoint &p) const { return _x == p._x && _y == p._y; }
bool operator!=(const FPoint &p) const { return _x != p._x || _y != p._y; }
void operator+=(const FPoint &delta) {
_x += delta._x;
_y += delta._y;
}
void operator-=(const FPoint &delta) {
_x -= delta._x;
_y -= delta._y;
}
/**
* Normalises the X and Y coordinates as fractions relative to the
* value of the hypotenuse formed by a triangle from the origin (0,0)
*/
void normalize();
};
} // End of namespace Titanic
#endif /* TITANIC_FPOINT_H */
|
