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Change Point2 to use STL arrays for predefined directions

This commit is contained in:
Stefan Müller 2025-02-17 15:07:20 +01:00
parent 0718a1285e
commit ce77b2354c
2 changed files with 7 additions and 5 deletions
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6
include/aoc/Point2.hpp
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@ -15,6 +15,8 @@
#pragma once #pragma once
#include <array>
class Point2 class Point2
{ {
public: public:
@ -24,11 +26,11 @@ class Point2
/// The eight cardinal and diagonal directions starting down, rotating in /// The eight cardinal and diagonal directions starting down, rotating in
/// positive direction. /// positive direction.
/// </summary> /// </summary>
static const Point2 directions[8]; static const std::array<Point2, 8> directions;
/// <summary> /// <summary>
/// The four cardinal directions starting down, rotating in positive direction. /// The four cardinal directions starting down, rotating in positive direction.
/// </summary> /// </summary>
static const Point2 cardinalDirections[4]; static const std::array<Point2, 4> cardinalDirections;
int x, y; int x, y;
Point2(); Point2();
Point2(const int x, const int y); Point2(const int x, const int y);

6
src/Point2.cpp
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@ -23,9 +23,9 @@ const Point2 Point2::upLeft{ -1, -1 };
const Point2 Point2::upRight{ 1, -1 }; const Point2 Point2::upRight{ 1, -1 };
const Point2 Point2::downLeft{ -1, 1 }; const Point2 Point2::downLeft{ -1, 1 };
const Point2 Point2::downRight{ 1, 1 }; const Point2 Point2::downRight{ 1, 1 };
const Point2 Point2::directions[] = { Point2::down, Point2::downRight, Point2::right, Point2::upRight, Point2::up, const std::array<Point2, 8> Point2::directions = { Point2::down, Point2::downRight, Point2::right, Point2::upRight,
Point2::upLeft, Point2::left, Point2::downLeft }; Point2::up, Point2::upLeft, Point2::left, Point2::downLeft };
const Point2 Point2::cardinalDirections[] = { Point2::down, Point2::right, Point2::up, Point2::left }; const std::array<Point2, 4> Point2::cardinalDirections = { Point2::down, Point2::right, Point2::up, Point2::left };
Point2::Point2() Point2::Point2()
: Point2{ 0, 0 } : Point2{ 0, 0 }