/** Initialises all track objects.
 */
void TrackObjectManager::reset()
{
    TrackObject* curr;
    for_in (curr, m_all_objects)
    {
        curr->reset();
        if (!curr->isEnabled())
        {
            //PhysicalObjects may need to be added
            if (curr->getType() == "mesh")
            {
                if (curr->getPhysicalObject() != NULL)
                    curr->getPhysicalObject()->addBody();
            }
        }
        curr->setEnable(true);
    }