diff options
Diffstat (limited to 'direction.h')
| -rw-r--r-- | direction.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/direction.h b/direction.h index 8f29bdd6c..c7a8498f6 100644 --- a/direction.h +++ b/direction.h @@ -102,4 +102,14 @@ static inline Axis DiagDirToAxis(DiagDirection d) return (Axis)(d & 1); } + +/* + * Converts an Axis to a DiagDirection + * Points always in the positive direction, i.e. S[EW] + */ +static inline DiagDirection AxisToDiagDir(Axis a) +{ + return (DiagDirection)(2 - a); +} + #endif |