From 1310daa9af75411afe46f0a5b98612f89d5c259f Mon Sep 17 00:00:00 2001
From: Taylan Kasap <taylankasap@gmail.com>
Date: Sun, 7 Feb 2016 14:19:28 +0200
Subject: [PATCH] Added RandomDataGenerator.sign (returns -1 or +1)

---
 src/math/RandomDataGenerator.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/math/RandomDataGenerator.js b/src/math/RandomDataGenerator.js
index 86de909e5..da1da286f 100644
--- a/src/math/RandomDataGenerator.js
+++ b/src/math/RandomDataGenerator.js
@@ -268,6 +268,18 @@ Phaser.RandomDataGenerator.prototype = {
 
     },
 
+    /**
+    * Returns a sign to be used with multiplication operator.
+    *
+    * @method Phaser.RandomDataGenerator#sign
+    * @return {number} -1 or +1.
+    */
+    sign: function () {
+
+        return this.pick([-1, 1]);
+
+    },
+
     /**
     * Returns a random member of `array`, favoring the earlier entries.
     *