Re: Black light?

[Nick <nick.petit(at)gmail.com>]

You can, push the colour into negative values... The trouble is, you may end up with negative values if you're rendering to float and compers won't like you much, so make sure you clamp the surface shaders output value or do a clamp on the final images...

On 29/02/2008, Eriya Ito <eriya.ito(at)grapecity.com> wrote:

Might be in a verge of insanity to ask this question but is there any work around

to add a black light (spot or point)?

I want to light up the whole scene with dark spots in certain places.

I can use an object as a shadow but can't we have a black light? J

 

Thanks,

Eriya