libcruft-util/point.hpp

44 lines
1.2 KiB
C++

/*
* This file is part of libgim.
*
* libgim 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.
*
* libgim 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 libgim. If not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2011 Danny Robson <danny@nerdcruft.net>
*/
#ifndef __UTIL_POINT_HPP
#define __UTIL_POINT_HPP
#include <iostream>
namespace util {
/// A three dimensional position in space.
struct point {
double x, y, z;
point (double x, double y, double z = 0.0);
double distance (const point &) const;
double manhattan (const point &) const;
point& operator+= (const point&);
point operator- (const point&) const;
};
}
std::ostream& operator<< (std::ostream&, const util::point&);
#endif // __UTIL_POINT_HPP