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Subject: Help needed

tr1ggaman opened this issue on Feb 22, 2013 · 11 posts
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tr1ggaman ( ) posted Fri, 22 February 2013 at 5:09 PM · edited Mon, 07 October 2024 at 7:37 AM

file_491844.jpg

I'm working on a scene with a space shuttle most of it is complete but the main problem is the fire and smoke I just cant see to do I've searched a lot of tutorial but still no luck does anyone have any ideas about how to do that?

Analog-X64 ( ) posted Fri, 22 February 2013 at 7:27 PM

I'm thinking you can do the smoke with volumetric clouds.

peedy ( ) posted Fri, 22 February 2013 at 11:50 PM

Yes, I used spheres with a cloud material, too.
Works great.

Corrie

orbital ( ) posted Sun, 24 February 2013 at 5:10 AM

You need volumetric spheres, but be careful not to overlap them as you will get artifacts on the material. I have a tutorial about making clouds here which may help you to some extent. Ignore the part about changing the volume blend altitude and distance as it wouldn't be needed for this scene. Then you could place a radial light at the base of the space ship and increase the brightness. Probably best to set the range distance that the light has.

http://www.renderosity.com/mod/tutorial/index.php?tutorial_id=2279

I'll have a go at making the image myself and see what I can come up with.

http://joevinton.blogspot.com/

peedy ( ) posted Sun, 24 February 2013 at 8:17 AM

Here's how mine turned out (from a while back):

http://www.renderosity.com/mod/gallery/index.php?image_id=2328338&user_id=483153&np&np

 

Corrie

UVDan ( ) posted Tue, 05 March 2013 at 4:00 PM
Forum Moderator

Do youhave a gantry model?  Nasa has one for download on their 3d model site if you do not.  [NASA 3d model downloads.](http://www.nasa.gov/multimedia/3d_resources/models.html)

My suggestion is to model your smoke in Hexagon or another poly modeler.  Then use a volumetric cloud material on it in Bryce.

I started a similar scene and then stalled out on it.

Free men do not ask permission to bear arms!!

UVDan ( ) posted Tue, 05 March 2013 at 4:00 PM
Forum Moderator

Rocket on the Gantry mentioned above.

Free men do not ask permission to bear arms!!

phive05 ( ) posted Fri, 08 March 2013 at 2:14 PM

file_492372.jpg

I agree, volumetric clouds are the way to go, and your "fire" need only be a light source.  This picture was done using just that...  You can see how the orange light source really makes it look firey.

phive05 ( ) posted Fri, 08 March 2013 at 2:18 PM

file_492373.JPG

As you can see from this picture, the brown spheres are the volumetric clouds.  NOT the slab cloud texture(world space) but the object clouds(object space) found in your library under volumetric/clouds.

phive05 ( ) posted Fri, 08 March 2013 at 2:22 PM

file_492375.JPG

These spheres DO NOT intersect one another though it may look that way.  They are lined up to appear as though they intersect.  This is the scene panned out further and you can tell how spread aprt they are and how large they get.

phive05 ( ) posted Fri, 08 March 2013 at 2:26 PM

The light is the little yellow sphere between the cone and first(lowest) smallest brown sphere.  The light has a color falloff that starts as bright yellow and ends dark red.  Render time is alot longer when using light scources in volumetric spaces.  And for every light you add can almost double the render time.  But the results are great.

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