FGFS-4.1/OpenSceneGraph
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From Stephan Huber and Robert Osfield, addded interactive setting of the ImageSequence::seek() based on the mouse x position.

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This commit is contained in:
Robert Osfield
2012-10-05 10:35:06 +00:00
parent 2e79a0e2d4
commit 77bd6cbfe9
1 changed files with 30 additions and 16 deletions
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46
examples/osgimagesequence/osgimagesequence.cpp
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@@ -208,6 +208,32 @@ public:
void set(osg::Node* node);
void setTrackMouse(bool tm)
{
if (tm==_trackMouse) return;
_trackMouse = tm;
std::cout << "tracking mouse: " << (_trackMouse ? "ON" : "OFF") << std::endl;
for(ImageStreamList::iterator itr=_imageStreamList.begin();
itr!=_imageStreamList.end();
++itr)
{
if ((*itr)->getStatus()==osg::ImageStream::PLAYING)
{
(*itr)->pause();
}
else
{
(*itr)->play();
}
}
}
bool getTrackMouse() const { return _trackMouse; }
virtual bool handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa, osg::Object*, osg::NodeVisitor* nv);
virtual void getUsage(osg::ApplicationUsage& usage) const;
@@ -412,22 +438,7 @@ bool MovieEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIAction
}
else if (ea.getKey() == 'i')
{
_trackMouse = !_trackMouse;
std::cout << "tracking mouse: " << (_trackMouse ? "ON" : "OFF") << std::endl;
for(ImageStreamList::iterator itr=_imageStreamList.begin();
itr!=_imageStreamList.end();
++itr)
{
if ((*itr)->getStatus()==osg::ImageStream::PLAYING)
{
(*itr)->pause();
}
else
{
(*itr)->play();
}
}
setTrackMouse(!_trackMouse);
}
@@ -468,6 +479,9 @@ int main(int argc, char **argv)
// pass the model to the MovieEventHandler so it can pick out ImageStream's to manipulate.
MovieEventHandler* meh = new MovieEventHandler();
meh->set( viewer.getSceneData() );
if (arguments.read("--track-mouse")) meh->setTrackMouse(true);
viewer.addEventHandler( meh );
viewer.addEventHandler( new osgViewer::StatsHandler());