From 901a8a638a92b2138b6ce27dd7e90b3b3b4d1833 Mon Sep 17 00:00:00 2001
From: Daniel Drake <dsd@laptop.org>
Date: Sun, 31 Aug 2008 00:13:09 +0000
Subject: add concept of cost

---
(limited to 'bridge.py')

diff --git a/bridge.py b/bridge.py
index 62a0f76..e254340 100644
--- a/bridge.py
+++ b/bridge.py
@@ -6,6 +6,7 @@ class Bridge:
         self.screen = game.screen
         self.world = game.world
         self.joints = []
+        self.cost = 0
 
     def create_world(self):
         rect = pygame.Rect((0,800), (350, -250))
@@ -19,9 +20,17 @@ class Bridge:
         self.world.add.rect(rect.center, rect.width / 2, rect.height / 2,
             dynamic=False)
 
+    def add_cost(self, value):
+        self.cost = self.cost + value
+        print "cost now", value
+
     def joint_added(self, joint):
         print "joint added!"
         self.joints.append(joint)
+        self.add_cost(100)
+
+    def box_added(self):
+        self.add_cost(10)
 
     def for_each_frame(self):
         for joint in self.joints:
--
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