diff options
Diffstat (limited to 'src/direction.h')
| -rw-r--r-- | src/direction.h | 10 |
1 files changed, 10 insertions, 0 deletions
| diff --git a/src/direction.h b/src/direction.h index ebc0e46..a83a6f8 100644 --- a/src/direction.h +++ b/src/direction.h | |||
| @@ -41,4 +41,14 @@ inline vec2i unitVecInDirection(Direction dir) { | |||
| 41 | } | 41 | } |
| 42 | } | 42 | } |
| 43 | 43 | ||
| 44 | inline bool dirHasDir(Direction value, Direction inner) { | ||
| 45 | switch (inner) { | ||
| 46 | case Direction::up: return value == Direction::up_left || value == Direction::up || value == Direction::up_right; | ||
| 47 | case Direction::down: return value == Direction::down_left || value == Direction::down || value == Direction::down_right; | ||
| 48 | case Direction::left: return value == Direction::up_left || value == Direction::left || value == Direction::down_left; | ||
| 49 | case Direction::right: return value == Direction::up_right || value == Direction::right || value == Direction::down_right; | ||
| 50 | default: return value == inner; | ||
| 51 | } | ||
| 52 | } | ||
| 53 | |||
| 44 | #endif /* end of include guard: DIRECTION_H_AB66A90E */ | 54 | #endif /* end of include guard: DIRECTION_H_AB66A90E */ |