Here's a couple good tuts on the topic:
http://docs.python.org/library/weakref.html#weak-reference-objects
http://blog.doughellmann.com/2008/01/pymotw-weakref.html
http://mindtrove.info/articles/python-weak-references/
http://www.pygame.org/wiki/MemoizingDecorator?parent=CookBook
> collision detection with no longer "existing" bullets continues, causing a
sort of invisible barrier for bullets in the future.
What do you mean here problem with looping and .remove()-ing list items on
death? Or need a bitflag?
for cur in foo:
if cur.dead or other.dead: continue
# ...
--
Jake
