45 lines
1.6 KiB
C++
45 lines
1.6 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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#pragma once
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class Point2
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{
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public:
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static const Point2 left, right, up, down;
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static const Point2 upLeft, upRight, downLeft, downRight;
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/// <summary>
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/// The eight cardinal and diagonal directions starting down, rotating in
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/// positive direction.
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/// </summary>
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static const Point2 directions[8];
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/// <summary>
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/// The four cardinal directions starting down, rotating in positive direction.
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/// </summary>
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static const Point2 cardinalDirections[4];
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int x, y;
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Point2();
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Point2(const int x, const int y);
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bool operator==(const Point2& rhs) const;
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bool operator!=(const Point2& rhs) const;
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Point2 operator+(const Point2& rhs) const;
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Point2 operator-(const Point2& rhs) const;
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Point2 operator*(const int rhs) const;
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Point2 operator-() const;
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Point2& operator+=(const Point2& rhs);
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Point2& operator-=(const Point2& rhs);
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Point2& operator*=(const int rhs);
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};
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