Restructed the cast

2016-06-27 11:33:55 +01:00
parent f749de1236
commit 62d1e7ac64
1 changed files with 3 additions and 2 deletions
--- a/src/osgPlugins/ac/ac3d.cpp
+++ b/src/osgPlugins/ac/ac3d.cpp
@@ -167,9 +167,10 @@ class ReaderWriterAC : public osgDB::ReaderWriter
        virtual WriteResult writeNode(const osg::Node& node,std::ostream& fout, const Options* opts) const
        {
            // write ac file.
-            if(dynamic_cast<const osg::Group*>(&node))
+
+            const osg::Group *gp=node.asGroup();
+            if(gp)
            {
-                const osg::Group *gp=dynamic_cast<const osg::Group*>(&node);
                const unsigned int nch=gp->getNumChildren();
                for (unsigned int i=0; i<nch; i++)
                {