Luxigon - eto spec. shtuka, kotoraya v
1.modellere - privyazivaet istochnik sveta k polygonu (ochen' ideya pohozha na skelegon)
2.layout - convertiruetsa v entot samiy istochnik (gde-to v additional plugins ili generic - ya sebe shortcut sdelal). Och. udobno delat' array iz lampochek, raspolozhennikh kakim-nibud' obrazom.