From 0dab4301bdacd623f21bb6b3a2aee3318ba7b4ba Mon Sep 17 00:00:00 2001
From: oc <ckcz123@126.com>
Date: Mon, 27 Aug 2018 01:01:24 +0800
Subject: [PATCH] Add arrow keys

---
 _server/editor.js | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/_server/editor.js b/_server/editor.js
index 08795309..c94747e7 100644
--- a/_server/editor.js
+++ b/_server/editor.js
@@ -591,6 +591,18 @@ editor.prototype.listen = function () {
                 editor.changeFloor(toId);
             }
         }
+        if (e.keyCode==37) {
+            editor.moveViewport(-1, 0);
+        }
+        if (e.keyCode==38) {
+            editor.moveViewport(0, -1);
+        }
+        if (e.keyCode==39) {
+            editor.moveViewport(1, 0);
+        }
+        if (e.keyCode==40) {
+            editor.moveViewport(0, 1);
+        }
     }
 
     var dataSelection = document.getElementById('dataSelection');