From 187e68f9a28fb73418978501c07349880a33c701 Mon Sep 17 00:00:00 2001
From: jlukic <jacklukic@gmail.com>
Date: Tue, 28 Apr 2015 15:29:38 -0400
Subject: [PATCH] Increase sticky performance with scroll

---
 src/definitions/modules/sticky.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/definitions/modules/sticky.js b/src/definitions/modules/sticky.js
index 40d2e7702..e965db79c 100644
--- a/src/definitions/modules/sticky.js
+++ b/src/definitions/modules/sticky.js
@@ -210,6 +210,9 @@ $.fn.sticky = function(parameters) {
           lastScroll: function(scroll) {
             module.lastScroll = scroll;
           },
+          elementScroll: function(scroll) {
+            module.elementScroll = scroll;
+          },
           positions: function() {
             var
               window = {
@@ -281,6 +284,9 @@ $.fn.sticky = function(parameters) {
             ;
           },
           currentElementScroll: function() {
+            if(module.elementScroll) {
+              return module.elementScroll;
+            }
             return ( module.is.top() )
               ? Math.abs(parseInt($module.css('top'), 10))    || 0
               : Math.abs(parseInt($module.css('bottom'), 10)) || 0
@@ -295,8 +301,7 @@ $.fn.sticky = function(parameters) {
               delta          = module.get.scrollChange(scroll),
               maxScroll      = (element.height - window.height + settings.offset),
               elementScroll  = module.get.currentElementScroll(),
-              possibleScroll = (elementScroll + delta),
-              elementScroll
+              possibleScroll = (elementScroll + delta)
             ;
             if(module.cache.fits || possibleScroll < 0) {
               elementScroll = 0;
@@ -415,6 +420,7 @@ $.fn.sticky = function(parameters) {
 
           // save current scroll for next run
           module.save.lastScroll(scroll.top);
+          module.save.elementScroll(elementScroll);
 
           if(elementVisible) {