Added sphere to list of models

src/ui/map3D/Pixhawk3DWidget.cc

@@ -393,6 +393,14 @@ Pixhawk3DWidget::findVehicleModels(void)
     // add Pixhawk Bravo model
     nodes.push_back(PixhawkCheetahGeode::instance());
 
+    // add sphere of 0.05m radius
+    osg::ref_ptr<osg::Sphere> sphere = new osg::Sphere(osg::Vec3f(0.0f, 0.0f, 0.0f), 0.05f);
+    osg::ref_ptr<osg::ShapeDrawable> sphereDrawable = new osg::ShapeDrawable(sphere);
+    osg::ref_ptr<osg::Geode> sphereGeode = new osg::Geode;
+    sphereGeode->addDrawable(sphereDrawable);
+    sphereGeode->setName("Sphere (0.1m)");
+    nodes.push_back(sphereGeode);
+
     // add all other models in folder
     for (int i = 0; i < files.size(); ++i)
     {