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Vivi
Post  Post subject: Creating Volume light effects like in the Goat movie  |  Posted: Wed Sep 14, 2011 5:07 pm
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Joined: Wed Sep 14, 2011 5:05 pm
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Hi!

I'm on my way to buying this product just curious to know how / if we can create volumetric light like in this picture?

The light from the windows
Image

Much appreciated.

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Wolvawab
Post  Post subject: Re: Creating Volume light effects like in the Goat movie  |  Posted: Wed Sep 14, 2011 6:34 pm
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Joined: Wed Feb 16, 2011 11:00 am
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That would also be great to see how you achied this. :D

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Vivi
Post  Post subject: Re: Creating Volume light effects like in the Goat movie  |  Posted: Wed Sep 14, 2011 6:43 pm
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nono i did not make it :P. I'm asking how to acheive that effect,

unless you meant how AAA studio made it, in which case yes i'm also interested !

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Wolvawab
Post  Post subject: Re: Creating Volume light effects like in the Goat movie  |  Posted: Wed Sep 14, 2011 11:38 pm
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Yes I am talking to AAA.
Sorry. :lol:

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Jan_Tomanek
Post  Post subject: Re: Creating Volume light effects like in the Goat movie  |  Posted: Thu Sep 15, 2011 5:06 am
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Very simple - make volume cloud with fog in Maya Fluids, and aim a light into it. Thats all.

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Wolvawab
Post  Post subject: Re: Creating Volume light effects like in the Goat movie  |  Posted: Thu Sep 15, 2011 10:39 am
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Have you assigned the mesh of the window as a collision object to the Fluid to make it match perfectly the shape of window?
In this case for example: http://www.youtube.com/watch?v=Z6tZsdtHMfo

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Pavel_Hradsky
Post  Post subject: Re: Creating Volume light effects like in the Goat movie  |  Posted: Thu Sep 15, 2011 11:33 am
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The window geometry and the table, etc, cast shadows which are normally received by the fluid. They can be anywhere, between the fluid volume and the light or even inside the fluid volume. In order to make the fluid "disappear" where the shade is, increase "Shadow Transparency" in FurryBall fluid settings/attributes.


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Vivi
Post  Post subject: Re: Creating Volume light effects like in the Goat movie  |  Posted: Thu Sep 15, 2011 11:44 am
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Joined: Wed Sep 14, 2011 5:05 pm
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EDIT: haha like the above mentioned. i was too slow with reply

Ok i'm kind of getting there,

i just want to make sure i'm doing it right because it makes my scene very slow, is that normal?

anyway wolva, create a 3d fluid container, make it big enough so that the light can shine where you wan't the volume.

Then add a furryball fluid attribute and override maya samples + turn on transparancy on fluid shadows (this will give your light window shape, because everywhere your light casts a shadow it will be transparant)

like this in my quick test


Attachments:
1.jpg
1.jpg [ 131.5 KiB | Viewed 13733 times ]

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My 2nd year animation using furryball: http://www.youtube.com/watch?v=ba9e718K_3Q
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Wolvawab
Post  Post subject: Re: Creating Volume light effects like in the Goat movie  |  Posted: Thu Sep 15, 2011 5:01 pm
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Joined: Wed Feb 16, 2011 11:00 am
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YOU ROCKS!
Thank you so much guys, will try this tonight. ;)

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Michal_Benatsky
Post  Post subject: Re: Creating Volume light effects like in the Goat movie  |  Posted: Mon Sep 26, 2011 2:47 pm
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Joined: Mon Aug 30, 2010 8:22 pm
Posts: 21
Location: Prague, Czech Republic

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To make it faster enable depth jitter in regular fluidShape settings (it works in furryball too).

And set lower number of samples (its better to set it using number of samples in Furryball fluid node as it allows you to set in as a float number, therefore it gives you more freedom ;))

Thats is ... you should be able to make it run almost realtime ;)


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