# HG changeset patch
# User Neil Muller <drnlmuller@gmail.com>
# Date 1259356423 0
# Node ID c1f14fa35d301cf67e8e8f4bc8d89ba8eabd5816
# Parent  93eab01a1e57d557eafadabb3b21dbd992470117
Avoid buglet where sprite isn't properly removed for a safe fox

diff -r 93eab01a1e57 -r c1f14fa35d30 gamelib/gameboard.py
--- a/gamelib/gameboard.py	Fri Nov 27 20:44:39 2009 +0000
+++ b/gamelib/gameboard.py	Fri Nov 27 21:13:43 2009 +0000
@@ -913,12 +913,15 @@
 
     def foxes_move(self):
         over = True
-        for fox in self.foxes:
+        for fox in self.foxes.copy():
             old_pos = fox.pos
             fox.move()
             if not fox.safe:
                 over = False
-            self._pos_cache.update(old_pos, fox, 'fox')
+                self._pos_cache.update(old_pos, fox, 'fox')
+            else:
+                # Avoid stale fox on board edge
+                self.remove_fox(fox)
         return over
 
     def foxes_attack(self):