private void AddActorBtn_Click(object sender, EventArgs e)
        {
            DialogResult result = m_createForm.ShowDialog();

            if (result == DialogResult.OK)
            {
                try
                {
                    NativeMethods.CreateActor((int)m_createForm.GetParams().m_actorType, (UInt32)m_createForm.GetParams().m_color.ToArgb(), m_createForm.GetParams().m_length, m_createForm.GetParams().m_radius, m_createForm.GetParams().m_effectFile, m_createForm.GetParams().m_meshFile);
                    InitScene();
                }
                catch { }
            }
            m_createForm.Hide();
        }