Fix crash in osgAnimation when keyframe container are empty

2011-07-15 10:22:44 +00:00
parent 0da1daca15
commit 147455866f
1 changed files with 3 additions and 3 deletions
--- a/include/osgAnimation/Sampler
+++ b/include/osgAnimation/Sampler
@@ -66,16 +66,16 @@ namespace osgAnimation
            return _keyframes.get();
        }

-        double getStartTime() const 
+        double getStartTime() const
        {
-            if (!_keyframes)
+            if (!_keyframes || _keyframes->empty())
                return 0.0;
            return _keyframes->front().getTime();
        }

        double getEndTime() const 
        {
-            if (!_keyframes)
+            if (!_keyframes || _keyframes->empty())
                return 0.0;
            return _keyframes->back().getTime();
        }