[Bf-funboard] Negative values for negative lamps and linear lights

[Martin Poirier]

Buffer spots have a Negative option.

Martin

--- Chando <toontje@telbonet.an> wrote:
> Hi, 
> I would like to be able to choose negative intensity
> values for for negative lamps. Why? That is because
> it is a cheap way to fake shadows. You can even fake
> soft shadows at a fraction of the cost. I'm not
> makin this up, it is what Jeremy Birn advises in his
> book [digital] Lighting and rendering. 
> O yeah... also a linear light would also be a good
> thing. According to Jeremy Birn it is easier to
> implement, it is computational far less expensive
> than area lights and the results are almost the
> same.
> 



	
		
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