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Vectors instead of lists in the world representation results in a

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remarkable performance increase!
This commit is contained in:
Simon Brooke 2014-07-21 14:34:01 +01:00
parent 06de5d923a
commit 87198076bc
1 changed files with 2 additions and 2 deletions
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4
src/mw_engine/world.clj
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@ -37,7 +37,7 @@
* `width` total width of the matrix, in cells; * `width` total width of the matrix, in cells;
* `height` total height of the matrix, in cells." * `height` total height of the matrix, in cells."
(cond (= index height) nil (cond (= index height) nil
true (cons (make-world-row 0 width index) true (cons (apply vector (make-world-row 0 width index))
(make-world-rows (+ index 1) width height)))) (make-world-rows (+ index 1) width height))))
(defn make-world (defn make-world
@ -47,7 +47,7 @@
* `width` a natural number representing the width of the matrix to be created; * `width` a natural number representing the width of the matrix to be created;
* `height` a natural number representing the height of the matrix to be created." * `height` a natural number representing the height of the matrix to be created."
[width height] [width height]
(make-world-rows 0 width height)) (apply vector (make-world-rows 0 width height)))
(defn truncate-state (defn truncate-state
"Truncate the print name of the state of this cell to at most limit characters." "Truncate the print name of the state of this cell to at most limit characters."