#include <osgViewer/Viewer>

 #include <osgDB/ReadFile>

 #include <osgAnimation/BasicAnimationManager>

 int main(int argc, char* argv[])

 {

     osgViewer::Viewer viewer;

     //读取带动画的节点

     osg::Node *animationNode = osgDB::readNodeFile("demo.FBX");

     //获得节点的动画列表

     osgAnimation::BasicAnimationManager* anim =

         dynamic_cast<osgAnimation::BasicAnimationManager*>(animationNode->getUpdateCallback());

     const osgAnimation::AnimationList& list = anim->getAnimationList();

     //从动画列表中选择一个动画，播放

     anim->playAnimation(list[].get());

     viewer.setSceneData(animationNode);

     return viewer.run();

 }

#include <osgViewer/Viewer>

#include <osgDB/ReadFile>

#include <osgAnimation/BasicAnimationManager>

struct AnimationManagerFinder : public osg::NodeVisitor

{

    osg::ref_ptr<osgAnimation::BasicAnimationManager> _am;

    AnimationManagerFinder() : osg::NodeVisitor(osg::NodeVisitor::TRAVERSE_ALL_CHILDREN) {}

    void apply(osg::Node& node) {

        if (_am.valid())

            return;

        if (node.getUpdateCallback()) {

            osgAnimation::AnimationManagerBase* b = dynamic_cast<osgAnimation::AnimationManagerBase*>(node.getUpdateCallback());

            if (b) {

                _am = new osgAnimation::BasicAnimationManager(*b);

                return;

            }

        }

        traverse(node);

    }

};

int main(int argc, char* argv[])

{

    osgViewer::Viewer viewer;

    //读取带动画的节点

    osg::Node *animationNode = osgDB::readNodeFile("demo.FBX");

    AnimationManagerFinder  m_cFinder;

    //获得节点的动画列表

    animationNode ->accept(*m_cFinder);

    if (m_cFinder->_am.valid())

    {

        animationNode ->setUpdateCallback(m_cFinder->_am.get());

    }

    for (osgAnimation::AnimationList::const_iterator it = m_cFinder->_am->getAnimationList().begin(); it != m_cFinder->_am->getAnimationList().end(); it++)

    {

        std::string animationName = (*it)->getName();

        osgAnimation::Animation::PlayMode playMode = osgAnimation::Animation::ONCE;

        (*it)->setPlayMode(playMode);//设置播放模式

        (*it)->setDuration(5.0);//设置播放时间

    }

    //从动画列表中选择一个动画，播放

    m_cFinder->_am->->playAnimation(*m_cFinder->_am->getAnimationList().begin());

    viewer.setSceneData(animationNode);

    return viewer.run();

}