Axiom.SceneManagers.PortalConnected.PCZFrustum.SetOrigin C# (CSharp) Метод

		public void SetOrigin( Vector3 newOrigin )
		{
			mOrigin = newOrigin;
		}

        public void UpdateZones(PCZone defaultZone, ulong frameCount)
        {
            //update the zones this light affects
            PCZone homeZone;

            this.affectedZonesList.Clear();
            this.affectsVisibleZone = false;
            var sn = (PCZSceneNode)(ParentSceneNode);

            if (null != sn)
            {
                // start with the zone the light is in
                homeZone = sn.HomeZone;
                if (null != homeZone)
                {
                    this.affectedZonesList.Add(homeZone);
                    if (homeZone.LastVisibleFrame == frameCount)
                    {
                        this.affectsVisibleZone = true;
                    }
                }
                else
                {
                    // error - scene node has no homezone!
                    // just say it affects the default zone and leave it at that.
                    this.affectedZonesList.Add(defaultZone);
                    if (defaultZone.LastVisibleFrame == frameCount)
                    {
                        this.affectsVisibleZone = true;
                    }
                    return;
                }
            }
            else
            {
                // ERROR! not connected to a scene node,
                // just say it affects the default zone and leave it at that.
                this.affectedZonesList.Add(defaultZone);
                if (defaultZone.LastVisibleFrame == frameCount)
                {
                    this.affectsVisibleZone = true;
                }
                return;
            }

            // now check visibility of each portal in the home zone.  If visible to
            // the light then add the target zone of the portal to the list of
            // affected zones and recurse into the target zone
            var     portalFrustum = new PCZFrustum();
            Vector3 v             = GetDerivedPosition();

            portalFrustum.SetOrigin(v);
            homeZone.CheckLightAgainstPortals(this, frameCount, portalFrustum, null);
        }