From ac140c9cf25f7880e62b396739f67b21c3daa7a5 Mon Sep 17 00:00:00 2001
From: Benau <Benau@users.noreply.github.com>
Date: Sun, 1 May 2022 08:36:56 +0800
Subject: [PATCH] Fix #4770

---
 src/modes/soccer_world.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/src/modes/soccer_world.cpp b/src/modes/soccer_world.cpp
index 1144ef113..51e39da2f 100644
--- a/src/modes/soccer_world.cpp
+++ b/src/modes/soccer_world.cpp
@@ -305,7 +305,14 @@ void SoccerWorld::init()
     if (!m_ball)
         Log::fatal("SoccerWorld","Ball is missing in soccer field, abort.");
 
-    m_bgd->init(m_ball->getPhysicalObject()->getRadius());
+    float radius = m_ball->getPhysicalObject()->getRadius();
+    if (radius <= 0.0f)
+    {
+        btVector3 min, max;
+        m_ball->getPhysicalObject()->getBody()->getAabb(min, max);
+        radius = (max.y() - min.y()) / 2.0f;
+    }
+    m_bgd->init(radius);
 
 }   // init