1 files changed, 9 insertions, 2 deletions
diff --git a/client/lib/util.js b/client/lib/util.js
index c6df6ec..7bca506 100644
--- a/client/lib/util.js
+++ b/client/lib/util.js
@@ -12,9 +12,11 @@ document.body.classList.add(isMobile ? 'mobile' : 'desktop')
 const browser = { isIphone, isIpad, isMobile, isDesktop }
 
 function clamp(n,a,b){ return n<a?a:n<b?n:b }
-function choice (a){ return a[ Math.floor(Math.random() * a.length) ] }
+function choice (a){ return a[ randint(a.length) ] }
 function mod(n,m){ return n-(m * Math.floor(n/m)) }
 function firstTouch(f){ return e => { e.preventDefault(); f(e.touches[0]) }}
+function randint(n){ return  Math.floor(Math.random() * n) }
+function randrange(a,b) { return Math.random() * (b-a) + a }
 
 function requestAudioContext (fn) {
 	if (isMobile) {
@@ -59,5 +61,10 @@ function requestAudioContext (fn) {
 	}
 }
 
-export { choice, mod, clamp, browser, firstTouch, requestAudioContext }
+export {
+  choice,
+  randint, randrange,
+  mod, clamp,
+  browser, firstTouch, requestAudioContext
+}