Fix direction vectors

starfish.js

@@ -8,10 +8,10 @@ class CodeBox {
          * @type {Object}
          */
         this.directions = {
-            NORTH: [-1,  0],
-            EAST:  [ 0,  1],
-            SOUTH: [ 1,  0],
-            WEST:  [ 0, -1],
+            NORTH:  [ 0, -1],
+            EAST:   [ 1,  0],
+            SOUTH:  [ 0,  1],
+            WEST:   [-1,  0],
         };
         /**
          * The current vector of the pointer