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Is there any way to cause (or fake) light emission from the fire within a smoke simulation? Obviously smoke doesn't work in Cycles but is it possible in BI for the flames to contribute light to the scene in the same way that FumeFX does in 3ds Max?

Alternatively is it possible to convert a flame into a cloud of particles in order to hack this somehow on a different pass?

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  • $\begingroup$ You could add a point lamp to simulate some of it, but it won't cast sharp light (if that was what you wanted). $\endgroup$
    – CharlesL
    Commented Nov 3, 2013 at 12:15
  • $\begingroup$ Maybe something with lamp textures? $\endgroup$
    – wchargin
    Commented Nov 10, 2013 at 17:58
  • $\begingroup$ Cycles will have Volume rendering soon (currently experimental in GSOC-2013-Dingto), so you might be able to do an emissive volume with that. $\endgroup$
    – Mike Pan
    Commented Nov 13, 2013 at 7:40
  • $\begingroup$ Smoke can now be rendered in Cycles, new in blender 2.70 $\endgroup$
    – Vader
    Commented Apr 5, 2014 at 22:59
  • $\begingroup$ @Vader Smoke can't be rendered in 2.70, but it can in later development versions (as of this commit) $\endgroup$
    – gandalf3
    Commented Apr 6, 2014 at 1:47

2 Answers 2

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What I do is in the Blender Internal Renderer select the material that is going to have light cast on it. Then enable mirroring and turn down the glossiness. enter image description here

You can adjust the number of samples it uses for smoother results.

material settings floor

Sorry for the wait, lack of internet at my home right now.

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  • $\begingroup$ Can you add a photo of your material setup? $\endgroup$
    – CharlesL
    Commented Apr 6, 2014 at 1:33
  • $\begingroup$ @CharlesL here you go, sorry for the wait $\endgroup$
    – CGEyeGuy
    Commented Apr 11, 2014 at 21:29
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I think that if you go to your texture influence properties for your domain object (voxel data), and check 'emission' it should work.emmision

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    $\begingroup$ This will make the smoke/fire brighter, but it won't actually illuminate other objects. $\endgroup$
    – gandalf3
    Commented Nov 10, 2013 at 17:21

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