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Create do-sim function which integrates discrete and continuous processing broken up by external events

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This commit is contained in:
Jeremy Penner 2013-03-23 23:08:46 -04:00
parent 2ddec2370e
commit 7033ac5c9b
1 changed files with 19 additions and 3 deletions
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22
src/hottub/core.clj
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@ -19,8 +19,24 @@
:image "res/man.png" :name :man}))) :image "res/man.png" :name :man})))
:timestamp-last (u/timestamp)}) :timestamp-last (u/timestamp)})
(defn update-gs [input] (defn do-sim [gs tsstart tsend fntln fncontinuous fndiscrete]
(let [man (first (gs/q :name :man))] (gs/update-gs gs
(loop [ts tsstart eventhandled false]
(let [[tsev events] (-> (fntln) (subseq (if eventhandled > >=) ts) first)]
(if (= tsev ts)
(do
(fndiscrete tsev events)
(recur ts true))
(if-not (= ts tsend)
(let [tsstop (fncontinuous ts (or tsev tsend))]
(recur tsstop false))))))))
(defn update-gs-from [tsstart tsend]
tsend)
(defn update-gs-at [ts inputs]
(let [input (last inputs)
man (first (gs/q :name :man))]
(gs/update-entity (assoc man :x (:mousex input) :y (:mousey input))))) (gs/update-entity (assoc man :x (:mousex input) :y (:mousey input)))))
(defn render-gs [gs] (defn render-gs [gs]
@ -41,7 +57,7 @@
screents (+ screentslast (- ts (:timestamp-last screen))) screents (+ screentslast (- ts (:timestamp-last screen)))
tln (:tln screen) tln (:tln screen)
gslast (tln/timeline-last-value tln) gslast (tln/timeline-last-value tln)
gsnext (gs/update-gs gslast (update-gs input)) gsnext (do-sim gslast screentslast screents (fn [] inputtln) update-gs-from update-gs-at)
tlnnext (tln/timeline-insert tln screents gsnext) tlnnext (tln/timeline-insert tln screents gsnext)
screennext (assoc screen :timestamp-last ts :tln tlnnext)] screennext (assoc screen :timestamp-last ts :tln tlnnext)]
(scr/update-screen screen screennext))))) (scr/update-screen screen screennext)))))