//Je vous épargne l'initialisation de tous les composants...

metaSelector = scene->createMetaSelector();
node1->setTriangleSelector(scene->createTriangleSelectorFromBoundingBox(node1));
metaSelector->addTriangleSelector(node1->getTriangleSelector());
node2->setTriangleSelector(scene->createTriangleSelectorFromBoundingBox(node2));
metaSelector->addTriangleSelector(node2->getTriangleSelector());

node = scene->addMeshSceneNode(scene->getMesh("perso.obj");
anim = scene->createCollisionResponseAnimator(metaSelector, node, node->getBoundingBox().getExtent(), vector3df(0, -1, 0));
node->addAnimator(anim);
camera->setParent(node);

while(device->run())
{
    driver->beginScene(1, 1, SColor(0, 0, 0, 0));

    vector3df pos = node->getPosition();
    vector3df rtt = camera->getRotation();
    pos.X += sin(rtt.Y);
    pos.Z += cos(rtt.Y);
    node->setPosition(pos);

    //CMove est une variable qui stocke les mouvements de la souris
    rtt.X += CMove.Y;
    rtt.Y += CMove.X;
    camera->setRotation(rtt);
    camera->setTarget(vector3df(pos.X + (sin(rtt.Y) * cos(rtt.X)),
    pos.Y + sin(rtt.X), pos.Z + (cos(rtt.Y) * cos(rtt.X))));

    scene->drawAll();
    driver->endScene();
}