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Add transform point function.

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Will be used for path edition.
This commit is contained in:
Andrey Antukh 2016-08-12 20:39:31 +03:00
parent 3977748e34
commit 5fd1e7f030
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1 changed files with 8 additions and 0 deletions
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8
src/uxbox/main/geom/point.cljs
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@ -158,3 +158,11 @@
[{:keys [x y]} decimanls]
(Point. (mth/precision x decimanls)
(mth/precision y decimanls)))
(defn transform
"Transform a point applying a matrix transfomation."
[{:keys [x y] :as p} {:keys [a b c d tx ty] :as m}]
(Point. (+ (* x a) (* y c) tx)
(+ (* x b) (* y d) ty)))