87 lines
2.2 KiB
C++
87 lines
2.2 KiB
C++
// Solutions to the Advent Of Code 2024.
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// Copyright (C) 2024 Stefan Müller
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//
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// This program is free software: you can redistribute it and/or modify it under
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// the 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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// This program is distributed in the hope that it will be useful, but WITHOUT
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// ANY 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 details.
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//
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// You should have received a copy of the GNU General Public License along with
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// this program. If not, see <http://www.gnu.org/licenses/>.
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#include <aoc/Point2.hpp>
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const Point2 Point2::left{ -1, 0 };
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const Point2 Point2::right{ 1, 0 };
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const Point2 Point2::up{ 0, -1 };
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const Point2 Point2::down{ 0, 1 };
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const Point2 Point2::upLeft{ -1, -1 };
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const Point2 Point2::upRight{ 1, -1 };
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const Point2 Point2::downLeft{ -1, 1 };
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const Point2 Point2::downRight{ 1, 1 };
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const Point2 Point2::directions[] = { Point2::down, Point2::downRight, Point2::right, Point2::upRight, Point2::up,
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Point2::upLeft, Point2::left, Point2::downLeft };
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const Point2 Point2::cardinalDirections[] = { Point2::down, Point2::right, Point2::up, Point2::left };
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Point2::Point2()
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: Point2{ 0, 0 }
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{
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}
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Point2::Point2(const int x, const int y)
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: x{ x }, y{ y }
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{
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}
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bool Point2::operator==(const Point2& rhs) const
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{
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return x == rhs.x && y == rhs.y;
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}
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bool Point2::operator!=(const Point2& rhs) const
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{
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return !(*this == rhs);
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}
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Point2 Point2::operator+(const Point2& rhs) const
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{
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return Point2(x + rhs.x, y + rhs.y);
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}
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Point2 Point2::operator-(const Point2& rhs) const
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{
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return Point2(x - rhs.x, y - rhs.y);
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}
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Point2 Point2::operator*(const int rhs) const
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{
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return Point2(x * rhs, y * rhs);
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}
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Point2 Point2::operator-() const
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{
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return Point2(-x, -y);
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}
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Point2& Point2::operator+=(const Point2& rhs)
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{
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*this = *this + rhs;
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return *this;
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}
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Point2& Point2::operator-=(const Point2& rhs)
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{
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*this = *this - rhs;
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return *this;
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}
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Point2& Point2::operator*=(const int rhs)
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{
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*this = *this * rhs;
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return *this;
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}
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