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Make add-timer! return nil

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oakes
2014-05-27 13:21:13 -04:00
parent 6c01e89d62
commit 7ffd8d1469
1 changed files with 11 additions and 11 deletions
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22
src/play_clj/core_utils.clj
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@@ -111,11 +111,11 @@ specified path.
new-timer)) new-timer))
(defn add-timer! (defn add-timer!
"Returns a [Timer](http://libgdx.badlogicgames.com/nightlies/docs/api/com/badlogic/gdx/utils/Timer.html) "Creates a [Timer](http://libgdx.badlogicgames.com/nightlies/docs/api/com/badlogic/gdx/utils/Timer.html)
which runs which will fire the :on-timer function one or more times (depending which will fire the :on-timer function one or more times (depending on the given
on the given arguments). In the :on-timer function, the id will be passed in the arguments). In the :on-timer function, the id will be passed in the screen map.
screen map. If a timer with that id already exists in the screen, it will be If a timer with that id already exists in the screen, it will be stopped and
stopped and replaced with a new timer. replaced with a new timer.
; wait 2 seconds and run once ; wait 2 seconds and run once
(add-timer! screen :spawn-enemy 2) (add-timer! screen :spawn-enemy 2)
@@ -124,14 +124,14 @@ stopped and replaced with a new timer.
; wait 2 seconds, run once, and then run 3 more times at 10 second intervals ; wait 2 seconds, run once, and then run 3 more times at 10 second intervals
(add-timer! screen :spawn-enemy 2 10 3)" (add-timer! screen :spawn-enemy 2 10 3)"
([screen id delay] ([screen id delay]
(doto (create-and-add-timer! screen id) (-> (create-and-add-timer! screen id)
(.scheduleTask (task* screen id) delay))) (.scheduleTask (task* screen id) delay)))
([screen id delay interval] ([screen id delay interval]
(doto (create-and-add-timer! screen id) (-> (create-and-add-timer! screen id)
(.scheduleTask (task* screen id) delay interval))) (.scheduleTask (task* screen id) delay interval)))
([screen id delay interval repeat] ([screen id delay interval repeat]
(doto (create-and-add-timer! screen id) (-> (create-and-add-timer! screen id)
(.scheduleTask (task* screen id) delay interval repeat)))) (.scheduleTask (task* screen id) delay interval repeat))))
(defn remove-timer! (defn remove-timer!
"Stops and removes the timer associated with `id`, returning it or nil if not "Stops and removes the timer associated with `id`, returning it or nil if not