// create light
        scenegraph->setAmbientLight(video::SColorf(1.0, 1.0, 1.0,1.0));
        node = smgr->addLightSceneNode(0, core::vector3df(0,0,0),
        video::SColorf(1.0f, 0.6f, 0.7f, 1.0f), 800.0f);
        scene::ISceneNodeAnimator* anim = 0;
        scenegraph -> setShadowColor (video::SColor(200,250,250,250));
        anim = smgr->createFlyStraightAnimator (core::vector3df(-50,150,-50),core::vector3df(450,150,450),36000,true);
        node->addAnimator(anim);
        anim->drop();

        // attach billboard to light
        node = smgr->addBillboardSceneNode(node, core::dimension2d<f32>(50, 50));
        node->setMaterialFlag(video::EMF_LIGHTING, false);
        node->setMaterialType(video::EMT_TRANSPARENT_ADD_COLOR);
        node->setMaterialTexture(0, driver->getTexture("images/particlewhite.bmp"));

particule
        scene::IParticleSystemSceneNode* ps = smgr->addParticleSystemSceneNode(false);
        ps->setPosition(core::vector3df(0,20,0));
        ps->setScale(core::vector3df(1,1,1));
        ps->setParticleSize(core::dimension2d<f32>(20.0f, 20.0f));

        scene::IParticleEmitter* em = ps->createBoxEmitter(
                core::aabbox3d<f32>(0,0,0,0.01f,0.01f,0.01f), // emitter size
                core::vector3df(0.0f,1,0.0f),   // initial direction
                500,1000,                             // emit rate
                video::SColor(255,128,128,128),       // darkest color
                video::SColor(255,192,192,192),       // brightest color
                100,500,15,                         // min and max age, angle
                core::dimension2df(0.1f,0.1f),         // min size
                core::dimension2df(100,100));        // max size

        ps->setEmitter(em); // this grabs the emitter
        em->drop(); // so we can drop it here without deleting it

        scene::IParticleAffector* paf = ps->createFadeOutParticleAffector();

        ps->addAffector(paf); // same goes for the affector
        paf->drop();

        ps->setMaterialFlag(video::EMF_LIGHTING, false);
        ps->setMaterialFlag(video::EMF_ZWRITE_ENABLE, false);
        ps->setMaterialTexture(0, driver->getTexture("images/smoke.png"));
        ps->setMaterialType(video::EMT_TRANSPARENT_V00ERTEX_ALPHA);