From 0f7e6f29000114fdf598bd955b4a7d21718e3377 Mon Sep 17 00:00:00 2001
From: Joshua Shorenstein <squirrelo@gmail.com>
Date: Thu, 12 May 2016 11:48:05 -0700
Subject: [PATCH] add clarifying comment. Fixes #164

---
 emperor/support_files/js/controller.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/emperor/support_files/js/controller.js b/emperor/support_files/js/controller.js
index 691a6076..9aaccea8 100644
--- a/emperor/support_files/js/controller.js
+++ b/emperor/support_files/js/controller.js
@@ -232,6 +232,7 @@ define([
       }
       return sv.needsUpdate;
     })) {
+      // Do not render if no changes
       return;
     }
     this.renderer.setViewport(0, 0, this.width, this.height);