/**
 * @author JoSch
 * @date 03-11-2005
 */   
void SoundObject::_update()
{
    ActorControlledObject::_update();
    SoundChannel *channel = getSoundChannel();
    Actor *actor = getActor();
    if (!channel || !actor) // Einer ist Null
    {
        return;
    }
    if (!channel->isValid())
    {
        return;
    }
    channel->setPosition(actor->getPosition());
    Vector3 *temp1 = new Vector3();
    Vector3 *temp2 = new Vector3(actor->getPosition());
    Real length = temp2->normalise();
    actor->getOrientation().ToAxes(temp1);
    *temp1 += *temp2;
    *temp1 *= length;
    channel->setDirection(*temp1); 
}
    void test_playWith3D()
    {
        xtime xt;
        
        Ogre::ResourceManager::ResourceMapIterator it =
            SoundManager::getSingleton().getResourceIterator();

        while (it.hasMoreElements())
        {
            SoundResourcePtr soundres = it.getNext();
            SoundStream *sound = new SoundStream(soundres);
            SoundChannel *channel = new SoundChannel(sound, soundres->getName());
            if (channel)
            {
                channel->play();
                float angle = 0.0f;
                
                xtime_get(&xt, TIME_UTC);
                xt.sec++;
                thread::sleep(xt);
                while (channel->isPlaying()) {
                    xtime_get(&xt, TIME_UTC);
                    xt.nsec+=100000;
                    thread::sleep(xt);
                    Vector3 pos(1.0f*sinf(angle), 20.0f*cosf(angle), 0.0f);
                    channel->setPosition(pos);
                    angle += 0.005;
                    if (angle > 2 * M_PI)
                    {
                        angle = 0.0f;
                    }
                    FSOUND_Update();
                }
                
                delete channel;
            }            
        }        
    }