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Volumetric question

benniewoodellbenniewoodell Posts: 1,969
in Blender Discussion

I'm hoping somebody has an idea on how to make this work, or maybe this is how it should be and if that's the case I must be thinking of something different. But here's a frame from the film I'm doing right now and I want the flashlight's volumetrics to emit the light, but be more see through and not show that it's a cone but kind of disperse. I'm using the principled volume node, but in the past I've done the volume absorption and volume scatter in a mixed node method as well and I can never get the effect to work no matter what I do, it always looks like a giant cube of volume. Usually I flip on a YT tutorial, make the attempt, fail not knowing why, and say forget it and go back into Daz where I know how I can get the effect, but I can't do that with this sequence as I'm going to have running water at some point that I want to have interact with our hero and the idea of trying to comp together that with the shot seems like it'll be more of a headache than just trying to get this to work. 

In the principled volume node, I'm sure those settings are not what normally is used but after playing around for about an hour, this is the best I was able to get it to illuminate the rocks around him. 

Thank you for any and all help, it is really appreciated! 

volumetric question.png
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Blender_ [D__Dropbox_Dropbox_Rock Hester_Shot 2A.blend] 5_6_2021 10_49_30 AM.png
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Comments

  • PadonePadone Posts: 3,688
    edited May 2021

    You're misunderstanding how volumetrics work in blender. It's not a "fake" volumetric light that you setup, that's cgi prehistory. It's rather an entire pbr volumetric environment where light interacts naturally with the atmoshpere. Basically you setup a volumetric cube for the environment, or use a volumetric environment directly, then use a spotlight in your case for the torch.

    And it works for eevee too.

    Post edited by Padone on
  • benniewoodellbenniewoodell Posts: 1,969

    Oh! I am 100% misunderstanding this, maybe that's why I've never had any luck with this lol. I always just parent a God ray thing in Daz and it works that way, but this makes a lot of sense how you describe it in Blender. Thank you for this video, I will be giving this a go after lunch!

  • PadonePadone Posts: 3,688

    You're welcome. I'm sure you'll be amazed by volumetrics in blender.

  • benniewoodellbenniewoodell Posts: 1,969
    edited May 2021

    Wow, this looks fantastic! I have to tweak the light a little bit to be from the flashlight itself, but this was just to see how it'll turn out. I didn't even know I wanted some atmosphere behind him with the sun streaming through, but I can't imagine it not being there now. Thanks again, I appreciate it. 

    volumetric.jpg
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    Post edited by benniewoodell on
  • TheMysteryIsThePointTheMysteryIsThePoint Posts: 2,946

    @benniewoodell From the looks of that, I don't know what you're cooking up, but I already want to see it :)

  • benniewoodellbenniewoodell Posts: 1,969

    @TheMysteryIsThePoint thank you :) It's a script I wrote like four years ago and I'm torn between doing it as a ten part episode or one giant feature film. I'm leaning towards episodes, but either way I'll post the opening sequence here in the forums when it's done. I have the first minute done and it looks so awesome, I'm beyond elated right now! 

  • brainmuffinbrainmuffin Posts: 1,204

    This seems similar to what we used to do with Reality in Studio.

  • j cadej cade Posts: 2,310

    brainmuffin said:

    This seems similar to what we used to do with Reality in Studio.

    And what you can do in iray while we're at it -

    the obvious difference being,  of course,  in Eevee it takes a couple seconds to clean up rather than the hours it would take in Iray or Luxrender.

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