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Subject: Lighting Question?


ladydrakana ( ) posted Sat, 22 April 2017 at 6:52 PM · edited Fri, 22 November 2024 at 7:14 PM

Does any one know if you can use a smoke/flame physics setup and get light from it? I haven't figured out why my flame does not give off light itself. I used one in this image and had to resort to a spot light. To emulate light coming from the flame. Using Blender 2.78c with Cycles and Filmic. I know that volumetric lighting is supported but only find information on how to make god rays and such. Is there something I am missing, or is it a case of only having the option to fake i?. Like I ended up doing.

egg4a-800.png

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LuxXeon ( ) posted Sat, 22 April 2017 at 7:20 PM

Are you using an emission shader node for the flame? You need this in order to have it cast light in the scene.

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RobynsVeil ( ) posted Sat, 22 April 2017 at 7:27 PM

Does your flame object have an associated shader? You might try an emission node, perhaps.

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Lobo3433 ( ) posted Sat, 22 April 2017 at 9:05 PM
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I came across this and it also relates to having to use emission shader and in this part 2 of a light bulb tutorial walks thru on setting it up which I hope is useful as well https://www.youtube.com/watch?v=-Ya-7olrPyc

I do not know if you are on FB by any chance but I did show case your above images on our Renderosity FB page https://www.facebook.com/rendoblender/ because I honestly thought the image was very impressive

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ladydrakana ( ) posted Sat, 22 April 2017 at 9:34 PM

I am just learning all the options for smoke/flame physics. Though I setup a shader like the tutorial that I was following. I did not use an emission node. Was not sure if I could or the right way to do it. So I will go back and take a look. See what I can do. Thank you for the suggestions and for the FB addition. And yes I have FB.

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LuxXeon ( ) posted Sun, 23 April 2017 at 12:29 AM

In this tutorial from Blender Guru, he creates a camp fire which illuminates the surrounding scene. There is an example of a node setup in there which shows where he includes the emission node. Hope it helps.

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ladydrakana ( ) posted Sun, 23 April 2017 at 10:18 AM

That's actually the tutorial that I was following. But I stopped when he got to making the sparks. Probably should have continued watching it.

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incantrix ( ) posted Mon, 24 April 2017 at 11:16 AM

Having never actually tried to do fire or smoke before I followed this one. Some how managed to get motion blur across the whole scene rather than just the particle sys. But was a good one to follow and learn some new stuff.

Incantrix



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