From f6e388f082c6c110e4f1eea014858aac3d5e6e4d Mon Sep 17 00:00:00 2001
From: Alex <alex@Tiresias.(none)>
Date: Mon, 07 Jul 2008 20:40:59 +0000
Subject: Modified the joint tool to allow for fixed joints

---
diff --git a/activity.py b/activity.py
index 9231966..601e409 100644
--- a/activity.py
+++ b/activity.py
@@ -253,6 +253,9 @@ class JointTool(Tool):
                     # if we have two distinct bodies, add a joint!
                     if self.jb1 and self.jb2 and str(self.jb1) != str(self.jb2):
                         world.add.joint(self.jb1[0],self.jb2[0],self.jb1pos,self.jb2pos)
+                    # If there's only one body, add a fixed joint
+                    elif self.jb2:
+                        world.add.joint(self.jb2[0],self.jb2pos)
                     # regardless, clean everything up
                     self.jb1 = self.jb2 = self.jb1pos = self.jb2pos = None
     def draw(self):
@@ -276,7 +279,7 @@ class DestroyTool(Tool):
                             world.world.DestroyBody(tokill[0])      
 # set up pygame
 pygame.init()
-size = (900,700)
+size = (700,700)
 screen = pygame.display.set_mode(size)
 clock = pygame.time.Clock()
 font = pygame.font.Font(None, 24) # font object
diff --git a/elements/add_objects.py b/elements/add_objects.py
index b93c479..7954852 100644
--- a/elements/add_objects.py
+++ b/elements/add_objects.py
@@ -476,9 +476,24 @@ class Add:
         elif len(args) == 3:
             # Revolute Joint
             pass
-
+
+        elif len(args) == 2:        
+           
+            # Revolute Joint to the Background, don't assume the center of the body
+            b1 = self.parent.world.GetGroundBody()
+            b2 = args[0]
+            p1 = self.parent.to_world(args[1])                        
+            p1x, p1y = p1         
+            p1x /= self.parent.ppm
+            p1y /= self.parent.ppm
+            p1 = box2d.b2Vec2(p1x, p1y)
+             
+            jointDef = box2d.b2RevoluteJointDef()
+            jointDef.Initialize(b1, b2, p1)
+            
+            self.parent.world.CreateJoint(jointDef)
         elif len(args) == 1:
-            # Revolute Joint to the Background
+            # Revolute Joint to the Background, assume the center of the body
             b1 = self.parent.world.GetGroundBody()
             b2 = args[0]
             p1 = b2.GetWorldCenter()
--
cgit v0.9.1