summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat (limited to 'elm/battlemap/src/Battlemap/Direction.elm')
-rw-r--r--elm/battlemap/src/Battlemap/Direction.elm17
1 files changed, 17 insertions, 0 deletions
diff --git a/elm/battlemap/src/Battlemap/Direction.elm b/elm/battlemap/src/Battlemap/Direction.elm
new file mode 100644
index 0000000..5aad141
--- /dev/null
+++ b/elm/battlemap/src/Battlemap/Direction.elm
@@ -0,0 +1,17 @@
+module Battlemap.Direction exposing (Type(..), opposite_of)
+
+type Type =
+ None
+ | Left
+ | Right
+ | Up
+ | Down
+
+opposite_of : Type -> Type
+opposite_of d =
+ case d of
+ Left -> Right
+ Right -> Left
+ Up -> Down
+ Down -> Up
+ None -> None