Copy the density+friction when creating a new smash object.
Copy the density+friction when creating a new smash object.

file:a/smasher.py -> file:b/smasher.py
--- a/smasher.py
+++ b/smasher.py
@@ -71,7 +71,9 @@
             bodyDef.angularVelocity=obj.body.angularVelocity
 
             bodyShape=b2PolygonShape(vertices=polygon)
-            bodyFixture=b2FixtureDef(shape=bodyShape,density=1,friction=0.3)
+            bodyFixture=b2FixtureDef(shape=bodyShape,
+                                     density=obj.fixture.density,
+                                     friction=obj.fixture.friction)
 
             body=game.GObjBox2D(self.game,obj.name,bodyDef,bodyFixture)
             body.area=obj.area