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View Full Version : The Concept of Fire Fx for Fighting.

dim1984kimo
07-24-2009, 04:04 AM
Hi,

Please check this attachment picture.

http://forums.cgsociety.org/attachment.php?attachmentid=&stc=1

Now I wanna do this fire fx, aka street fighter/ the king of fighters.

But I have problem about that the fx should be silk on the fire fx's edge. But unfortunately, it looks like buble/slime. I try to up the res of container but hard to simulate it. Now if I make lots of container, Does it work for this fx?

(I will try after work. Just mention this question here.)

Maybe we can try this and discuss it at the moment.
dim1984kimo
07-25-2009, 01:09 AM
I've tried that way but looks wierd.

there is a gap between containers. However, every container has its own performance. so they look odd. As we know when fluid begin to simulate, there is a hat-like fluid. I will save frames before its begining. But in this situation, one container finished its simulation but next one doesn't. The next one still has hat-like fluid, and looks like non-continuous perfomance.

Does somebody has another way to solve it?
Cheesestraws
07-25-2009, 06:39 AM
You would have to overlap the fluid containers and share the data between overlapping voxels. The overlap would need to be large enough that you would not get data moving a greater distance than the overlap per frame.
dim1984kimo
07-25-2009, 08:40 AM
thanks!

overlap is uesful!
YourDaftPunk
07-25-2009, 10:26 AM
Dim, I just tried creating a test of this effect with one small container traveling with the fireball and it sucked.

However, using one large container seems to hold up pretty well:
http://vimeo.com/5756874

This would be more efficient with Cosku's plug-in:
http://coskuozdemir.com/blog/?p=40
http://coskuozdemir.com/blog/?p=45

I hope your multiple container approach works for you, but it seems tricky! One large container in Maya 2009 isn't so bad thanks to the multithreading.

-shawn
dim1984kimo
07-25-2009, 11:09 AM
Dim, I just tried creating a test of this effect with one small container traveling with the fireball and it sucked.

However, using one large container seems to hold up pretty well:
http://vimeo.com/5756874

This would be more efficient with Cosku's plug-in:
http://coskuozdemir.com/blog/?p=40
http://coskuozdemir.com/blog/?p=45

I hope your multiple container approach works for you, but it seems tricky! One large container in Maya 2009 isn't so bad thanks to the multithreading.

-shawn

Hi YourDaftPunk,

Thanks for your stuff. But I'd used this "autoresize" MEL to do my fire fx but failed.

It shows "fatal error" ,shoot down maya and ask me send my error report.

Bcause my container is large and my emitter moving very fast. So I need use the nFluid cache to cache them with evalute every 0.1-0.5 frame. I just press the apply button and it suddenly shoot down.

It makes me confuse for a long time.

By the way, can you send me your ma file, please?

My email:
dim1984kimo@hotmail.com
YourDaftPunk
07-25-2009, 11:24 AM
Check your email!
dim1984kimo
07-27-2009, 03:32 AM
Hi,

I tested this fx with overlap for several days, and I noticed a problem there.

Okay, I have 6 fluid containers: fluid1, fluid2, ...,fluid6.

And I selected them to cache them, the result is great without any mistake.

Then, I deleted their "data folder" and fluid nCache and try cache again.

Funny thing happen. Only the fluid1 will be cached. There're nothing in other containers.

That's wierd.

I deleted other containers, created new to replaced them. Then I cached them again, however, it works.

That's wierd again.

Does someone could explain it?
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07-27-2009, 03:32 AM
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