In 3D scenes I sometimes use negative lights. Quite handy if a main light is over lighting an area, then use a negative fill light, with inverse square distance or what other fall off is needed.
__________________
Procrastination, mankind's greatest labour saving device!
50L custom fuel rack 6x20W 100/20mppt 4x26Ah gel 28L super insulated fridge TPMS 3 ARB compressors heatsink fan cooled 4L tank aftercooler Air/water OCD cleaning 4 stage car acoustic insulation.
Night is caused by the accumulation of "black air", according to the renowned savant, scientist and philosopher de Selby. He and his extensive theories are to be found in Flann O'Brien's novels The Third Policeman and The Dalkey Archive.
Excellent reading that sometimes makes you scratch your head in exasperated enjoyment at such witty writing.
Another theory of de Selby's was that mirrors held the secret to eternity, claiming a huge array of parallel mirrors allowed him to see his own face as a boy of twelve.
In The Third Policeman,one of de Selby's biographers is quoted as saying "The beauty of reading a page of de Selby is that it leads one inescapably to the happy conviction that one is not, of all nincompoops, the greatest.
See wikipedia for the above and more.
Enjoy!
The funny thing about this, being in the joke section, is that some people who read it will probably believe it, considering all the other rubbish that has been posted in other sections.