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I am trying to see if it is possible to emulate volumic lights with some texture inside, imagine simuating dust in the air, without actually using particles.
Any help will be welcome.
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I think I answered my own question, I will post it just in case anyone need the answer.
It seems that the most effective way to emulate realistic volumic lights with textures is to apply a volume shader to a geometry and then iluminate it with a spot light. The only draw back is that the volume shader only contains a fractal as the only texture you can apply.
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