Hi Robert,
thanks for reply.
I initialize my system as follows:
--------------
// construct the viewer.
osgViewer::Viewer viewer;
viewer.setLightingMode (osg::View::HEADLIGHT);
// Configura el visor para aparecer en una ventana
viewer.setUpViewInWindow (100, 100, 800, 600, 0);
// Pone el manejador de eventos de ratón (se hace por defecto dentro del
run() del viewer, pero
// aquí es necesario crearlo antes para poder ponerle la posición por
defecto de la cámara
viewer.setCameraManipulator(new osgGA::TrackballManipulator());
// Pone la posición por defecto de la cámara
osgGA::MatrixManipulator* pCameraManip = viewer.getCameraManipulator();
if (pCameraManip != NULL)
{
pCameraManip->setHomePosition (osg::Vec3 (0.0, -600.0, 8.0), osg::Vec3
(0.0, 0.0, 8.0), osg::Vec3 (0.0, 0.0, 1.0));
}
// create a model from the images.
osg::Group* pRoot = new osg::Group();
// Create a new light, and set the light number according to our parameter.
osg::Light* pLight = new osg::Light();
pLight->setLightNum (0);
pLight->setAmbient (osg::Vec4d (0.0, 0.0, 0.0, 1.0));
pLight->setDiffuse (osg::Vec4d (0.0, 0.0, 0.0, 1.0));
pLight->setSpecular (osg::Vec4d (0.0, 0.0, 0.0, 1.0));
osg::LightSource* pLightsource = new osg::LightSource();
pLightsource->setLight (pLight);
pLightsource->setStateSetModes (*pRoot->getOrCreateStateSet(),
osg::StateAttribute::ON);
pRoot->addChild (pLightsource);
----------------
With this, the scene get a little dark, but it is not totally black.
There is always a little light, so objects that I add to the scene can be seen.
These objects are ships and what I want is to see their lights and not ships
due to it is night.
Would that be possible?
Thanks.
------------------
Read this topic online here:
http://forum.openscenegraph.org/viewtopic.php?p=8605#8605
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