FGFS-4.1/OpenSceneGraph
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Fixed the handling the mouse min/max ranges of slave Cameras that have a parent Camera with a viewport.

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This commit is contained in:
Robert Osfield
2013-06-20 16:44:14 +00:00
parent a2b2ba5860
commit 715dd4e930
3 changed files with 28 additions and 8 deletions
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13
src/osgViewer/CompositeViewer.cpp
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@@ -747,10 +747,19 @@ void CompositeViewer::generateSlavePointerData(osg::Camera* camera, osgGA::GUIEv
bool invert_y = event.getMouseYOrientation()==osgGA::GUIEventAdapter::Y_INCREASING_DOWNWARDS;
if (invert_y && gw->getTraits()) y = gw->getTraits()->height - y;
double master_min_x = -1.0;
double master_max_x = 1.0;
double master_min_y = -1.0;
double master_max_y = 1.0;
osg::Matrix masterCameraVPW = view_masterCamera->getViewMatrix() * view_masterCamera->getProjectionMatrix();
if (view_masterCamera->getViewport())
{
osg::Viewport* viewport = view_masterCamera->getViewport();
master_min_x = viewport->x();
master_min_y = viewport->y();
master_max_x = viewport->x()+viewport->width();
master_max_y = viewport->y()+viewport->height();
masterCameraVPW *= viewport->computeWindowMatrix();
}
@@ -767,8 +776,8 @@ void CompositeViewer::generateSlavePointerData(osg::Camera* camera, osgGA::GUIEv
osg::Matrix matrix( osg::Matrix::inverse(localCameraVPW) * masterCameraVPW );
osg::Vec3d new_coord = osg::Vec3d(x,y,0.0) * matrix;
//OSG_NOTICE<<" pointer event new_coord.x()="<<new_coord.x()<<" new_coord.y()="<<new_coord.y()<<std::endl;
event.addPointerData(new osgGA::PointerData(view_masterCamera, new_coord.x(), -1.0, 1.0,
new_coord.y(), -1.0, 1.0));
event.addPointerData(new osgGA::PointerData(view_masterCamera, new_coord.x(), master_min_x, master_max_x,
new_coord.y(), master_min_y, master_max_y));
}
else if (!slave->_useMastersSceneData)
{