function shoot(character){
    if (!character)
        character = m_scs.get_active_camera();

    var date = new Date();
    var pula = m_scs.get_object_by_name("Pula");
    var new_name =  "pula"+date.getTime().toString();
    var pula_new = m_obj.copy(pula, new_name);

    var rotation = m_trans.get_rotation(character);
    
    m_trans.set_translation_rel(pula_new, 0, -1, 0, character);

    m_scs.append_object(pula_new);
    
    m_trans.set_rotation(pula_new, rotation[0], rotation[1], rotation[2], rotation[3]);
    m_phy.apply_velocity(pula_new, 0, -10, 0);

    remove_pula(new_name, 5000);
}

function remove_pula(pula,delay){

    console.log("add "+pula);

    setTimeout(function(){
        console.log("del "+pula);
        m_scs.remove_object(m_scs.get_object_by_name(pula))
    }, delay);
}