For coordination of this type you could either a) use refs and the STM
or b) put them in the same nested datastructure and put them both in an
atom. The latter approach is what I would recommend and what people
generally tend to do. If you go down this route you end up with the
entire state of your game in a single atom. The tradeoffs is that you
loose the ability to observe certain changes at a granular layer and you
drive the contention to a single point (which has been discussed
recently on another thread). On the flip side you end up with a single
value that represents your application's state that is easy to work with.
On 3/21/14, 1:42 PM, Jacob Goodson wrote:
Say I have two data structures..
enemies
bullets
I want to update them like so...
(some-game-loop
(update enemies)
(update bullets))
If I wanted to make sure that both structures were getting updated at
the same time instead of
enemies and then bullets; would I use refs here or would I use
something else? What if there
were many more structures that I wanted to update asynchronously like
this? Thanks clojurians!
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