From 86fda8f9ff0eb0bd32f67c5d2bbdae0ec5b6033c Mon Sep 17 00:00:00 2001
From: mo k <mo@mokhan.ca>
Date: Mon, 13 Feb 2012 13:19:50 -0700
Subject: check bounds when facing south and moving forward.

---
 lib/south.rb | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
 mode change 100644 => 100755 lib/south.rb

(limited to 'lib')

diff --git a/lib/south.rb b/lib/south.rb
old mode 100644
new mode 100755
index 04851c0..5e8a434
--- a/lib/south.rb
+++ b/lib/south.rb
@@ -5,7 +5,9 @@ class South
   def turn_left
     East.new
   end
-  def forward(current_location, terrain)
-    current_location[:y] = current_location[:y]-1
+  def forward(location, terrain)
+    unless terrain.is_out_of_bounds({:x => location[:x], :y => location[:y]-1})
+      location[:y] = location[:y]-1
+    end
   end
 end
-- 
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