--- a/src/Terrain.cc	Mon Dec 08 16:46:48 2008 +0000
+++ b/src/Terrain.cc	Mon Dec 08 17:24:40 2008 +0000
@@ -7,6 +7,17 @@
 #include <algorithm>
 #include <ClanLib/display.h>
 
+const Vector DIRECTIONS[] = {
+    Vector(0,-1),
+    Vector(1,-1),
+    Vector(1,0),
+    Vector(1,1),
+    Vector(0,1),
+    Vector(-1,1),
+    Vector(-1,0),
+    Vector(-1,-1)
+};
+
 Terrain::Terrain (void) :
     map_width(0), map_height(0)
 {