struct link
{
       link() : force(irr::core::vetor3df(0.f,-9.81.f, 0.f)) {}
       irr::scene::ISceneNode *node;
       irr::core::vector3df force;
       irr::core::vector3df torque;
};

void Personnage::ApplyForceAndTorqueEvent(const NewtonBody* body, float, int)
{
    link *entity = (link*)NewtonBodyGetUserData(body);
    NewtonBodyAddForce(persoBody, &entity->force);
    NewtonBodyAddTorque(persoBody, &entity->torque);
}

irr::core::vector3df velocity;
NewtonBodyGetVelocity(body, &velocity);
velocity.X += 10.f;
NewtonBodySetVelocity(body, &velocity);