From ad9ab2585464ab34c8abdbe797e0c73aed36c8b5 Mon Sep 17 00:00:00 2001
From: mo k <mo@mokhan.ca>
Date: Sun, 12 Feb 2012 14:36:50 -0700
Subject: forward the terrain to the heading when moving forward.

---
 lib/rover.rb | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/lib/rover.rb b/lib/rover.rb
index ec1356f..3e85ecf 100644
--- a/lib/rover.rb
+++ b/lib/rover.rb
@@ -14,7 +14,7 @@ class Rover
     @heading = @heading.turn_left
   end
   def move_forward(terrain)
-    @heading.forward(@location)
+    @heading.forward(@location, terrain)
   end
 end
 
@@ -25,7 +25,7 @@ class North
   def turn_left
     West.new
   end
-  def forward(current_location)
+  def forward(current_location, terrain)
     current_location[:y] = current_location[:y]+1
   end
 end
@@ -36,7 +36,7 @@ class East
   def turn_left
     North.new
   end
-  def forward(current_location)
+  def forward(current_location, terrain)
     current_location[:x] = current_location[:x]+1
   end
 end
@@ -47,7 +47,7 @@ class West
   def turn_left
     South.new
   end
-  def forward(current_location)
+  def forward(current_location, terrain)
     current_location[:x] = current_location[:x]-1
   end
 end
@@ -58,7 +58,7 @@ class South
   def turn_left
     East.new
   end
-  def forward(current_location)
+  def forward(current_location, terrain)
     current_location[:y] = current_location[:y]-1
   end
 end
-- 
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