Hi Flogo, Thanks so much ! It solved my problem !
Regards, Flogo wrote: > Hi Hakan, > > If you want to simply drag (or do other transformation to) an object you can > use the Dragger from the osgManipulator pluggin: > > > Code: > > osgManipulator::TranslateAxisDragger > > > > > Otherwise you need to project the mouse to the world space. > If I recall correctly: > > > > Code: > > osgViewer::View *view = dynamic_cast<osgViewer::View *>(&actionAdapter); > const osg::Camera *camera = view->getCamera(); > > const osg::Matrixd viewMatrix = camera->getViewMatrix(); > const osg::Matrix projectionMatrix = camera->getProjectionMatrix(); > osg::Matrix inverseCameraMatrix; > inverseCameraMatrix.invert(viewMatrix * projectionMatrix); > osg::Vec3 worldPosition = osg::Vec3(ea.getXnormalized(), > ea.getYnormalized(), 0.0f) * > inverseCameraMatrix; > > > > > The z value of the Vec3 is the Near Plane, set it to 1.0 to have the Far > Plane projection. > > Best, > Florian ------------------ Read this topic online here: http://forum.openscenegraph.org/viewtopic.php?p=72441#72441 _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
