97 lines
1.9 KiB
C++
97 lines
1.9 KiB
C++
/*
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* This file is part of libgim.
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*
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* libgim is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* libgim is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License
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* along with libgim. If not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright 2011 Danny Robson <danny@nerdcruft.net>
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*/
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#include "point.hpp"
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#include "debug.hpp"
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#include <cmath>
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using namespace std;
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using namespace util;
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double
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point::distance (const point &other) const {
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return sqrt ((x - other.x) * (x - other.x) +
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(y - other.y) * (y - other.y) +
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(z - other.z) * (z - other.z));
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}
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double
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point::manhattan (const point &other) const {
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return fabs (x - other.x) +
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fabs (y - other.y) +
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fabs (z - other.z);
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}
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point&
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point::operator*= (double f) {
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x *= f;
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y *= f;
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z *= f;
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return *this;
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}
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point
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point::operator* (double f) const {
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return { x * f, y * f, z * f };
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}
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point
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point::operator+ (const vector &rhs) const {
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return { x + rhs.x, y + rhs.y, z + rhs.z };
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}
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point&
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point::operator+= (const vector &rhs) {
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x += rhs.x;
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y += rhs.y;
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z += rhs.z;
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return *this;
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}
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util::vector
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point::operator- (const point &rhs) const {
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return { x - rhs.x, y - rhs.y, z - rhs.z };
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}
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void
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point::sanity (void) const {
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check_soft (!std::isnan (x));
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check_soft (!std::isnan (y));
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check_soft (!std::isnan (z));
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}
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std::ostream&
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operator<< (std::ostream &os, const point &p) {
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os << "point(" << p.x << ", " << p.y << ", " << p.z << ")";
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return os;
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}
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