FGFS-4.1/OpenSceneGraph
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Updated NEWS for the release.

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Fixed warnings.
This commit is contained in:
Robert Osfield
2003-04-18 15:59:34 +00:00
parent 1c8db044f1
commit bc8bd29646
6 changed files with 108 additions and 97 deletions
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52
examples/osgoccluder/osgoccluder.cpp
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@@ -26,7 +26,7 @@ class OccluderEventHandler : public osgGA::GUIEventHandler
{
public:
OccluderEventHandler(osgUtil::SceneView* sceneview,osg::Group* rootnode):_sceneview(sceneview),_rootnode(rootnode) {}
OccluderEventHandler(osgProducer::Viewer* viewer):_viewer(viewer) {}
virtual bool handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter&);
@@ -39,8 +39,10 @@ class OccluderEventHandler : public osgGA::GUIEventHandler
void endOccluder();
osg::Group* rootNode() { return dynamic_cast<osg::Group*>(_viewer->getSceneData()); }
osg::ref_ptr<osgUtil::SceneView> _sceneview;
osgProducer::Viewer* _viewer;
osg::ref_ptr<osg::Group> _rootnode;
osg::ref_ptr<osg::Group> _occluders;
osg::ref_ptr<osg::ConvexPlanarOccluder> _convexPlanarOccluder;
@@ -55,34 +57,20 @@ bool OccluderEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIAct
if (ea.getKey()=='a')
{
float x = ea.getX();
float y = ea.getY();
float x = ea.getXnormalized();
float y = ea.getYnormalized();
osg::Vec3 near_point,far_point;
if (!_sceneview->projectWindowXYIntoObject(x,ea.getYmax()-y,near_point,far_point))
osgUtil::IntersectVisitor::HitList hitList;
if (!_viewer->computeIntersections(x,y,hitList))
{
return true;
}
osg::ref_ptr<osg::LineSegment> lineSegment = new osg::LineSegment;
lineSegment->set(near_point,far_point);
osgUtil::IntersectVisitor iv;
iv.addLineSegment(lineSegment.get());
_rootnode->accept(iv);
if (iv.hits())
if (!hitList.empty())
{
osgUtil::IntersectVisitor::HitList& hitList = iv.getHitList(lineSegment.get());
if (!hitList.empty())
{
osgUtil::Hit& hit = hitList.front();
addPoint(hit.getWorldIntersectPoint());
}
osgUtil::Hit& hit = hitList.front();
addPoint(hit.getWorldIntersectPoint());
}
return true;
@@ -96,8 +84,9 @@ bool OccluderEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIAct
{
if (_occluders.valid())
{
std::cout<<"saving occluders to 'saved_occluders.osg'"<<std::endl;
osgDB::writeNodeFile(*_occluders,"saved_occluders.osg");
if (osgDB::writeNodeFile(*_occluders,"saved_occluders.osg"))
std::cout<<"saved occluders to 'saved_occluders.osg'"<<std::endl;
}
else
{
@@ -136,7 +125,7 @@ void OccluderEventHandler::endOccluder()
if (!_occluders.valid())
{
_occluders = new osg::Group;
_rootnode->addChild(_occluders.get());
if (rootNode()) rootNode()->addChild(_occluders.get());
}
_occluders->addChild(occluderNode);
@@ -297,6 +286,11 @@ int main( int argc, char **argv )
bool manuallyCreateOccluders = false;
while (arguments.read("-m")) { manuallyCreateOccluders = true; }
if (manuallyCreateOccluders)
{
viewer.getEventHandlerList().push_front(new OccluderEventHandler(&viewer));
}
// get details on keyboard and mouse bindings used by the viewer.
viewer.getUsage(*arguments.getApplicationUsage());
@@ -349,12 +343,6 @@ int main( int argc, char **argv )
// create the windows and run the threads.
viewer.realize();
if (manuallyCreateOccluders)
{
osgUtil::SceneView* sceneview = viewer.getSceneHandlerList()[0].get();
viewer.getEventHandlerList().push_front(new OccluderEventHandler(sceneview,rootnode.get()));
}
while( !viewer.done() )
{