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BobSponge

Thinking Particles as fog

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BobSponge    0

Hey there,

 

I haven't been able to find a solid solution to this. Id like rolling fog, moving very slowly, and interacting with objects in the scene. Im having trouble getting a pyrocluster material to be used as thinking particles. Not sure if this is the way to do this,  please help!

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3DKiwi    293

Attached is a simple scene showing how to set up Pyrocluster. Note on the Volume Tracer object the "World Step Size" setting has a big impact on render speed.

 

The Environment object defines the area where the Pyrocluster is rendered. Instead you could use a large polygon object. Theoretically you can have different Pyrocluster Volume materials with different settings applied to different polygon objects. 99.9% of the time you just use an Environment object and one Volume Tracer.

 

Hope this helps.

 

PC.zip

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Cerbera    1,009
2 hours ago, BobSponge said:

Id like rolling fog, moving very slowly, and interacting with objects in the scene.

That's quite ambitious for C4D, even with Pyrocluster. You'll never get it to 'roll in' or realistically interact with anything - we don't really have the tools to do that with gaseous clouds. Really if you want that sort of behaviour you want X-particles or Turbulence FD or similar. Those feature FLIP domains that allow particles to fully interact with objects and each other in a way that PC doesn't. 

 

So if you do use Pyrocluster, sure, you can make it bubble and boil away, and move the volumes about in the scene, but that's really all you can expect from it, and properly nice rolling fog is probably a stretch too far natively.

 

CBR

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3DKiwi    293

I've always found visible lights do better animated fog (you can make the visible move). Plus it renders way quicker.

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