Dark_eye

//frameStarted----------------------------------------------------------------------------------
 mSkyX->update(evt.timeSinceLastFrame);

         sun_light->setPosition(mSkyX->getAtmosphereManager()->getSunPosition());
         sun_light->setDirection(mSkyX->getAtmosphereManager()->getSunDirection());
//---------------------------------------------------------------------------------------------------

//SetupScene------------------------------------------------------------------------------------------
 mgr = mRoot->createSceneManager(ST_GENERIC, "Default SceneManager");
         cam = mgr->createCamera("Camera");
         Viewport *vp = mRoot->getAutoCreatedWindow()->addViewport(cam);
         cam->setNearClipDistance(0.1);
         cam->setFarClipDistance(5000);

                          [...]

        Ogre::Vector3 lightdir(0.55, -0.3, 0.75);
        lightdir.normalise();

        sun_light = mgr->createLight("sun_light");
        sun_light->setType(Ogre::Light::LT_DIRECTIONAL);
        sun_light->setDirection(lightdir);
        sun_light->setDiffuseColour(Ogre::ColourValue::White);
        sun_light->setSpecularColour(Ogre::ColourValue(0.4, 0.4, 0.4));

        mgr->setAmbientLight(Ogre::ColourValue(0.2, 0.2, 0.2));

        mSkyX = new SkyX::SkyX(mgr, cam);
        SkyX::AtmosphereManager::Options atOpt = mSkyX->getAtmosphereManager()->getOptions();
        atOpt.RayleighMultiplier = 0.003075f;    //
        atOpt.MieMultiplier = 0.00125f;          //
        atOpt.InnerRadius = 9.92f;               // Esto parece no hacer ningún efecto
        atOpt.OuterRadius = 10.3311f;            //
        mSkyX->getAtmosphereManager()->setOptions(atOpt);
        mSkyX->create();

        Ogre::MaterialManager::getSingleton().setDefaultTextureFiltering(Ogre::TFO_ANISOTROPIC);
        Ogre::MaterialManager::getSingleton().setDefaultAnisotropy(7);

         mTerrainGlobals = OGRE_NEW Ogre::TerrainGlobalOptions();
        mTerrainGroup = OGRE_NEW Ogre::TerrainGroup(mgr, Ogre::Terrain::ALIGN_X_Z, 513, 12000.0f);
        mTerrainGroup->setFilenameConvention(Ogre::String("123"), Ogre::String("dat"));
        mTerrainGroup->setOrigin(Ogre::Vector3(0,-200,0));
        configureTerrainDefaults(sun_light);
//--------------------------------------------------------------------------------------------------------