FGFS-4.1/OpenSceneGraph
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Added --mouse option to enable mouse tracking, and fixed bug in assumption

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that nv is not null.
This commit is contained in:
Robert Osfield 2008-04-11 10:10:40 +00:00
parent 2a54ff3e4a
commit 22edadcdf3
1 changed files with 10 additions and 1 deletions
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11
examples/osgmovie/osgmovie.cpp
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@ -144,7 +144,11 @@ bool MovieEventHandler::handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIAction
{
osgViewer::View* view = dynamic_cast<osgViewer::View*>(&aa);
osgUtil::LineSegmentIntersector::Intersections intersections;
if (view && view->computeIntersections(ea.getX(), ea.getY(), nv->getNodePath(), intersections))
bool foundIntersection = view==0 ? false :
(nv==0 ? view->computeIntersections(ea.getX(), ea.getY(), intersections) :
view->computeIntersections(ea.getX(), ea.getY(), nv->getNodePath(), intersections));
if (foundIntersection)
{
// use the nearest intersection
@ -351,6 +355,10 @@ int main(int argc, char** argv)
while (arguments.read("--texture2D")) useTextureRectangle=false;
while (arguments.read("--shader")) useShader=true;
bool mouseTracking = false;
while (arguments.read("--mouse")) mouseTracking=true;
// if user request help write it out to cout.
if (arguments.read("-h") || arguments.read("--help"))
{
@ -444,6 +452,7 @@ 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->setMouseTracking( mouseTracking );
meh->set( viewer.getSceneData() );
viewer.addEventHandler( meh );