From c0a5fffb45f849e224750f27fa8c3be5ac447ad6 Mon Sep 17 00:00:00 2001
From: Andrei Karas <akaras@inbox.ru>
Date: Wed, 14 Sep 2011 01:46:13 +0300
Subject: Add more checks. Fix error in event.cpp from last commits. Improve
 party members sorting.

---
 src/rotationalparticle.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'src/rotationalparticle.cpp')

diff --git a/src/rotationalparticle.cpp b/src/rotationalparticle.cpp
index cd16ddf63..60d818cd9 100644
--- a/src/rotationalparticle.cpp
+++ b/src/rotationalparticle.cpp
@@ -55,10 +55,13 @@ bool RotationalParticle::update()
 
     // TODO: cache velocities to avoid spamming atan2()
 
+    int size = mAnimation->getLength();
+    if (!size)
+        return false;
+
     float rad = static_cast<float>(atan2(mVelocity.x, mVelocity.y));
     if (rad < 0)
         rad = static_cast<float>(PI + (PI + rad));
-    int size = mAnimation->getLength();
 
     float range = static_cast<float>(PI / size);
 
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