From 609ceea71b00569ea30a6db749e174987b595fda Mon Sep 17 00:00:00 2001
From: Jason Park <parkjs814@gmail.com>
Date: Sun, 22 May 2016 22:26:08 -0500
Subject: [PATCH] fix array1d and 2d (2)

---
 index.html           | 1 -
 js/module/array2d.js | 4 +++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/index.html b/index.html
index 9a0f612..7d1bd27 100644
--- a/index.html
+++ b/index.html
@@ -109,7 +109,6 @@
 <script src="js/ace/ace.js"></script>
 <script src="js/module/tracer.js"></script>
 <script src="js/module/directed_graph.js"></script>
-<script src="js/module/undirected_graph.js"></script>
 <script src="js/module/weighted_directed_graph.js"></script>
 <script src="js/module/array2d.js"></script>
 <script src="js/module/array1d.js"></script>
diff --git a/js/module/array2d.js b/js/module/array2d.js
index 0b0208f..6028203 100644
--- a/js/module/array2d.js
+++ b/js/module/array2d.js
@@ -152,6 +152,8 @@ Array2DTracer.prototype = $.extend(true, Object.create(Tracer.prototype), {
         this.pushStep(step, type == 'select');
     },
     processStep: function (step, options) {
+        var tracer = this;
+
         switch (step.type) {
             case 'notifying':
                 var $row = $table.find('.mtbl-row').eq(step.x);
@@ -165,7 +167,7 @@ Array2DTracer.prototype = $.extend(true, Object.create(Tracer.prototype), {
                     step.coords.forEach(function (coord) {
                         var x = coord.x;
                         var y = coord.y;
-                        this.paintColor(x, y, x, y, colorClass, addClass);
+                        tracer.paintColor(x, y, x, y, colorClass, addClass);
                     });
                 } else {
                     var sx = step.sx;
-- 
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