/* 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 #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 */