From 5e6b378965fc8e969309059aa4ea7e5d239ab3b5 Mon Sep 17 00:00:00 2001
From: Jules Laplace <jules@okfoc.us>
Date: Wed, 11 May 2016 15:28:45 -0400
Subject: add inverted cross brush, smear brush, pick brush style..

---
 js/util.js | 1 +
 1 file changed, 1 insertion(+)

(limited to 'js/util.js')

diff --git a/js/util.js b/js/util.js
index 7859b2b..cdabbe1 100644
--- a/js/util.js
+++ b/js/util.js
@@ -47,6 +47,7 @@ function rand(n){ return (Math.random()*n) }
 function randint(n){ return rand(n)|0 }
 function randrange(a,b){ return a + rand(b-a) }
 function randsign(){ return random() >= 0.5 ? -1 : 1 }
+function randnullsign(){ var r = random(); return r < 0.333 ? -1 : r < 0.666 ? 0 : 1 }
 
 function xrandom(exp){ return Math.pow(Math.random(), exp) }
 function xrand(exp,n){ return (xrandom(exp)*n) }
-- 
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