video::IVideoDriver* driver = device->getVideoDriver();
smgr = device->getSceneManager ();
    //On charge la place
    scene::IAnimatedMesh *mesh = smgr->getMesh("media/placeFinale.obj");
    meshNode = smgr->addOctTreeSceneNode(mesh->getMesh(0));
    meshNode->setMaterialTexture(0,    driver->getTexture("media/placeFinale.png"));
    meshNode->setPosition(core::vector3df(0, 0, 0));
    meshNode->setScale(core::vector3df(5.0f, 5.0f, 5.0f));
    meshNode->setMaterialFlag(video::EMF_LIGHTING, true);
    meshNode->setMaterialFlag(video::EMF_ANISOTROPIC_FILTER,true);
    meshNode->getMaterial(0).EmissiveColor.set(255,255,255,255);
    meshNode->setMaterialType(video::EMT_SOLID);
 
    if(meshNode)
    {
        mapSelector = smgr->createOctTreeTriangleSelector(mesh->getMesh(0), meshNode);
        meshNode->setTriangleSelector(mapSelector);
        mapSelector->drop();
    }

smgr->loadScene("media/example.irr");

smgr->getSceneNodeFromType(scene::ESNT_MESH, meshNode);
    
    if(meshNode)
    {
        mapSelector = smgr->createOctTreeTriangleSelector(((scene::IAnimatedMesh*)meshNode)->getMesh(0), meshNode);
        meshNode->setTriangleSelector(mapSelector);
        mapSelector->drop();
    }

camera = sm->addCameraSceneNodeFPS(0,100.0f,20.0f, -1, keyMap, 9, true, 0.4f);
            camera->setPosition(core::vector3df(-17.0f, 6.0f, 26.0f));

            scene::ISceneNodeAnimatorCollisionResponse* collider =
                sm->createCollisionResponseAnimator(
                mapSelector, camera, core::vector3df(1, 1, 1),
                core::vector3df(0, -1, 0), core::vector3df(0, 4, 0));

            camera->addAnimator(collider);
            collider->drop();