From 3531d64dbf9c2805acaedc865191090282a0fed3 Mon Sep 17 00:00:00 2001
From: casperlamboo <casperlamboo@gmail.com>
Date: Tue, 29 Mar 2016 08:01:07 +0200
Subject: [PATCH] use s6 string

---
 src/sliceActions/createLines.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/sliceActions/createLines.js b/src/sliceActions/createLines.js
index 1fa6603..5f91b5b 100644
--- a/src/sliceActions/createLines.js
+++ b/src/sliceActions/createLines.js
@@ -7,11 +7,11 @@ export default function createLines(geometry, settings) {
   var lineLookup = {};
 
   var addLine = (a, b) => {
-    var index = lineLookup[b + '_' + a];
+    var index = lineLookup[`${b}_${a}`];
 
     if (index === undefined) {
       index = lines.length;
-      lineLookup[a + '_' + b] = index;
+      lineLookup[`${a}_${b}`] = index;
 
       lines.push({
         line: new THREE.Line3(geometry.vertices[a], geometry.vertices[b]),