From ccdce5da74cbc0b8bd1f60c8981894bc1f0e164b Mon Sep 17 00:00:00 2001
From: jmoenig <jens@moenig.org>
Date: Thu, 5 Jun 2014 17:42:36 +0200
Subject: fixed #465

---
 objects.js | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

(limited to 'objects.js')

diff --git a/objects.js b/objects.js
index e3f1674..41f3e4a 100644
--- a/objects.js
+++ b/objects.js
@@ -3204,11 +3204,12 @@ SpriteMorph.prototype.forward = function (steps) {
 SpriteMorph.prototype.setHeading = function (degrees) {
     var x = this.xPosition(),
         y = this.yPosition(),
-        turn = degrees - this.heading;
+        dir = (+degrees || 90),
+        turn = dir - this.heading;
 
     // apply to myself
     this.changed();
-    SpriteMorph.uber.setHeading.call(this, degrees);
+    SpriteMorph.uber.setHeading.call(this, dir);
     this.silentGotoXY(x, y, true); // just me
     this.positionTalkBubble();
 
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