FGFS-4.1/OpenSceneGraph
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Changed the way the mouse position is update to handle the remote device control.

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This commit is contained in:
Robert Osfield
2012-11-08 15:28:24 +00:00
parent b51bbaa406
commit b6c6885a97
1 changed files with 20 additions and 8 deletions
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28
applications/present3D/present3D.cpp
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@@ -133,20 +133,23 @@ class FollowMouseCallback: public osgGA::GUIEventHandler
{
public:
FollowMouseCallback():
_mousePostition(0.5,0.5) {}
virtual bool handle(const osgGA::GUIEventAdapter& ea,osgGA::GUIActionAdapter& aa, osg::Object* object, osg::NodeVisitor* nv)
{
osg::AutoTransform* transform = dynamic_cast<osg::AutoTransform*>(object);
if (!transform) return false;
osg::NotifySeverity level = osg::INFO;
switch(ea.getEventType())
{
case(osgGA::GUIEventAdapter::FRAME):
//case(osgGA::GUIEventAdapter::MOVE):
//case(osgGA::GUIEventAdapter::DRAG):
{
osgViewer::View* view = dynamic_cast<osgViewer::View*>(&aa);
case(osgGA::GUIEventAdapter::PUSH):
case(osgGA::GUIEventAdapter::RELEASE):
case(osgGA::GUIEventAdapter::MOVE):
case(osgGA::GUIEventAdapter::DRAG):
osg::NotifySeverity level = osg::INFO;
osg::notify(level)<<std::endl<<"ea.getGraphicsContext()="<<ea.getGraphicsContext()<<std::endl;
osg::notify(level)<<"ea.getWindowWidth()="<<ea.getWindowWidth()<<std::endl;
osg::notify(level)<<"ea.getWindowHeight()="<<ea.getWindowHeight()<<std::endl;
@@ -157,14 +160,22 @@ class FollowMouseCallback: public osgGA::GUIEventHandler
osg::notify(level)<<"ea.getYin()="<<ea.getYmin()<<std::endl;
osg::notify(level)<<"ea.getYmax()="<<ea.getYmax()<<std::endl;
_mousePostition.set(ea.getXnormalized(), ea.getYnormalized());
break;
case(osgGA::GUIEventAdapter::FRAME):
{
osgViewer::View* view = dynamic_cast<osgViewer::View*>(&aa);
osg::Camera* camera = view->getCamera();
osg::Matrix VP = camera->getViewMatrix() * camera->getProjectionMatrix();
osg::Matrix inverse_VP;
inverse_VP.invert(VP);
osg::Vec3d start_eye(ea.getXnormalized(), ea.getYnormalized(), 0.0);
osg::Vec3d end_eye(ea.getXnormalized(), ea.getYnormalized(), 1.0);
osg::Vec3d start_eye(_mousePostition.x(), _mousePostition.y(), 0.0);
osg::Vec3d end_eye(_mousePostition.x(), _mousePostition.y(), 1.0);
osg::Vec3d start_world = start_eye * inverse_VP;
osg::Vec3d end_world = start_eye * inverse_VP;
@@ -206,6 +217,7 @@ class FollowMouseCallback: public osgGA::GUIEventHandler
v.visit(*this);
}
osg::Vec2d _mousePostition;
};
osg::Node* createCursorSubgraph(const std::string& filename, float size)