Fix for divide by zero error

2007-04-20 23:26:53 +00:00 · 2007-04-20 23:26:53 +00:00 · 3b57b93a98
parent d9dcbfc429
commit 3b57b93a98
1 changed files with 5 additions and 1 deletions
--- a/direct/src/controls/GravityWalker.py
+++ b/direct/src/controls/GravityWalker.py
@ -573,7 +573,11 @@ class GravityWalker(DirectObject.DirectObject):
            onScreenDebug.add("__oldDt", "% 10.4f"%self.__oldDt)
            onScreenDebug.add("self.__oldPosDelta",
                              self.__oldPosDelta.pPrintValues())
-        velocity = self.__oldPosDelta*(1.0/self.__oldDt)
+        # avoid divide by zero crash - grw
+        if self.__oldDt == 0:
+            velocity = 0
+        else:
+            velocity = self.__oldPosDelta*(1.0/self.__oldDt)
        self.priorParent = Vec3(velocity)
        if __debug__:
            if self.wantDebugIndicator: