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

---
 history.txt | 1 +
 objects.js  | 5 +++--
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/history.txt b/history.txt
index 53e6087e..da0aebfd 100755
--- a/history.txt
+++ b/history.txt
@@ -2154,3 +2154,4 @@ ______
 ------
 * Objects: stop replacing the empty string with the number zero in watchers
 * Threads: initialize new variables with zero (instead of null)
+* Objects: fixed #465
diff --git a/objects.js b/objects.js
index e3f16740..41f3e4a0 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();