1 files changed, 18 insertions, 1 deletions

@@ -13,5 +13,22 @@ public enum Direction {
     North,
     East,
     South,
-    West
+    West;
+    
+    /**
+     * Returns the direction opposite from the current one
+     * @return A Direction representing the opposite direction
+     */
+    public Direction oppositeDirection()
+    {
+        switch (this)
+        {
+            case North: return Direction.South;
+            case West: return Direction.East;
+            case South: return Direction.North;
+            case East: return Direction.West;
+        }
+        
+        return null;
+    }
 }