diff options
| author | Star Rauchenberger <fefferburbia@gmail.com> | 2022-03-16 11:53:46 -0400 |
|---|---|---|
| committer | Star Rauchenberger <fefferburbia@gmail.com> | 2022-03-16 11:53:46 -0400 |
| commit | 8713d03831226dcd559c6a1e2b1c7b0d7c660bac (patch) | |
| tree | fd0c1e7ff253e3c69646d727bc49a112a71f5ca9 /src/direction.h | |
| parent | 4b52f51404aca45a7d5d8e5998649ff67df97bbd (diff) | |
| download | ether-8713d03831226dcd559c6a1e2b1c7b0d7c660bac.tar.gz ether-8713d03831226dcd559c6a1e2b1c7b0d7c660bac.tar.bz2 ether-8713d03831226dcd559c6a1e2b1c7b0d7c660bac.zip | |
added signs (which can't be read yet)
Diffstat (limited to 'src/direction.h')
| -rw-r--r-- | src/direction.h | 12 |
1 files changed, 12 insertions, 0 deletions
| diff --git a/src/direction.h b/src/direction.h index 0fe3e5a..14ea0a5 100644 --- a/src/direction.h +++ b/src/direction.h | |||
| @@ -3,6 +3,9 @@ | |||
| 3 | 3 | ||
| 4 | #include <string_view> | 4 | #include <string_view> |
| 5 | #include <stdexcept> | 5 | #include <stdexcept> |
| 6 | #include <tuple> | ||
| 7 | |||
| 8 | using coord = std::tuple<int, int>; | ||
| 6 | 9 | ||
| 7 | enum class Direction { | 10 | enum class Direction { |
| 8 | up, | 11 | up, |
| @@ -19,4 +22,13 @@ inline Direction directionFromString(std::string_view str) { | |||
| 19 | throw std::invalid_argument("Invalid direction: " + std::string(str)); | 22 | throw std::invalid_argument("Invalid direction: " + std::string(str)); |
| 20 | } | 23 | } |
| 21 | 24 | ||
| 25 | inline coord coordInDirection(int x, int y, Direction dir) { | ||
| 26 | switch (dir) { | ||
| 27 | case Direction::up: return {x, y-1}; | ||
| 28 | case Direction::down: return {x, y+1}; | ||
| 29 | case Direction::left: return {x-1, y}; | ||
| 30 | case Direction::right: return {x+1, y}; | ||
| 31 | } | ||
| 32 | } | ||
| 33 | |||
| 22 | #endif /* end of include guard: DIRECTION_H_42BDAFB9 */ | 34 | #endif /* end of include guard: DIRECTION_H_42BDAFB9 */ |