65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
/* 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 3 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, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#ifndef TITANIC_FPOINT_H
|
|
#define TITANIC_FPOINT_H
|
|
|
|
#include "common/rect.h"
|
|
|
|
namespace Titanic {
|
|
|
|
/**
|
|
* Floating point Point class
|
|
*/
|
|
class FPoint {
|
|
public:
|
|
float _x, _y;
|
|
public:
|
|
FPoint() : _x(0), _y(0) {}
|
|
FPoint(float x, float y) : _x(x), _y(y) {}
|
|
FPoint(const Common::Point &pt) : _x(pt.x), _y(pt.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; }
|
|
FPoint operator+(const FPoint &delta) const { return FPoint(_x + delta._x, _y + delta._y); }
|
|
FPoint operator-(const FPoint &delta) const { return FPoint(_x - delta._x, _y - delta._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)
|
|
*/
|
|
float normalize();
|
|
};
|
|
|
|
} // End of namespace Titanic
|
|
|
|
#endif /* TITANIC_FPOINT_H */
|