diff options
Diffstat (limited to 'src/direction_func.h')
| -rw-r--r-- | src/direction_func.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/direction_func.h b/src/direction_func.h index f3b714a8e..bf92a9ad6 100644 --- a/src/direction_func.h +++ b/src/direction_func.h @@ -239,4 +239,15 @@ static inline bool IsValidAxis(Axis d) return d < AXIS_END; } +/** + * Checks if a given Direction is diagonal. + * + * @param dir The given direction. + * @return True if the direction is diagonal. + */ +static inline bool IsDiagonalDirection(Direction dir) +{ + return (dir & 1) != 0; +} + #endif /* DIRECTION_FUNC_H */ |