Hi,
how can I get my PickHandler edited from the osgpick (see attachment) example
working inside the osgoculusviewer?
Cheers,
Michael
------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=72331#72331
// class to handle events with a pick
class PickHandler : public osgGA::GUIEventHandler {
public:
PickHandler() {}
~PickHandler() {}
bool handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa) {
switch(ea.getEventType())
{
case(osgGA::GUIEventAdapter::PUSH):
{
osgViewer::View* view = dynamic_cast<osgViewer::View*>(&aa);
if (view) pick(view,ea);
return false;
}
case(osgGA::GUIEventAdapter::KEYDOWN):
{
if (ea.getKey()=='c')
{
osgViewer::View* view = dynamic_cast<osgViewer::View*>(&aa);
osg::ref_ptr<osgGA::GUIEventAdapter> event = new
osgGA::GUIEventAdapter(ea);
event->setX((ea.getXmin()+ea.getXmax())*0.5);
event->setY((ea.getYmin()+ea.getYmax())*0.5);
if (view) pick(view,*event);
}
return false;
}
default:
return false;
}
}
virtual void pick(osgViewer::View* view, const osgGA::GUIEventAdapter& ea) {
osgUtil::LineSegmentIntersector::Intersections intersections;
std::string gdlist="";
osg::ref_ptr<osg::Camera> cam = view->getCamera();
std::cout << "mouse coordinates: " << ea.getX() << ", " << ea.getY() <<
", camera = " << cam->getName() << std::endl;
if (view->computeIntersections(ea,intersections))
{
for(osgUtil::LineSegmentIntersector::Intersections::iterator hitr =
intersections.begin();
hitr != intersections.end();
++hitr)
{
std::ostringstream os;
if (!hitr->nodePath.empty() &&
!(hitr->nodePath.back()->getName().empty()))
{
// the geodes are identified by name.
os<<"Object
\""<<hitr->nodePath.back()->getName()<<"\""<<std::endl;
}
else if (hitr->drawable.valid())
{
os<<"Object
\""<<hitr->drawable->className()<<"\""<<std::endl;
}
os<<" local coords vertex("<<
hitr->getLocalIntersectPoint()<<")"<<"
normal("<<hitr->getLocalIntersectNormal()<<")"<<std::endl;
os<<" world coords vertex("<<
hitr->getWorldIntersectPoint()<<")"<<"
normal("<<hitr->getWorldIntersectNormal()<<")"<<std::endl;
const osgUtil::LineSegmentIntersector::Intersection::IndexList&
vil = hitr->indexList;
for(unsigned int i=0;i<vil.size();++i)
{
os<<" vertex indices ["<<i<<"] =
"<<vil[i]<<std::endl;
}
gdlist += os.str();
}
std:: cout << gdlist << std::endl;
}
}
};_______________________________________________
osg-users mailing list
osg-users@lists.openscenegraph.org
http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
