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Subject: WIP - the fire problem


ek-art ( ) posted Wed, 04 May 2005 at 5:43 PM · edited Mon, 27 January 2025 at 9:54 AM

file_232823.jpg

I've been "firefighting" for days now - trying out most of the advice I got in my earlier post, but I must realize that I'm unable to make a decent fire :( (I'll just change it into water and a sphere, that would look good in the dish, wouldn't it? I could get away with that.) Anyway, any comments are welcome as I'm completely stuck.

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FranOnTheEdge ( ) posted Wed, 04 May 2005 at 6:20 PM

It looks like you just need it positioned closer to the centre of the bowl rather than as it is now - near the rim of the bowl. (water & a sphere! Tsk tsk!)

Measure your mind's height
by the shade it casts.

Robert Browning (Paracelsus)

Fran's Freestuff

http://franontheedge.blogspot.com/

http://www.FranOnTheEdge.com


ek-art ( ) posted Wed, 04 May 2005 at 6:24 PM

Fran, When I take a wiew from top, the fire is excactly in the centre of the dish and fills it to the edge all around. But it looks like there's some fire missing in the centre. I've moved things around there a thousand times..???

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ysvry ( ) posted Wed, 04 May 2005 at 7:56 PM

just duplicate it and scale the new version inside the big one to fill it up.

for some free stuff i made
and for almost daily fotos


aprilgem ( ) posted Wed, 04 May 2005 at 8:24 PM

Attached Link: http://www.renderosity.com/viewed.ez?galleryid=104973&Start=25&Artist=aprilgem&ByArtist=Yes

I no longer have the model I made or the software I used to make it, but if you can get someone to model you a twisted and distorted teardrop, you could make fire like in the picture I linked. Essentially, what I did was make a teardrop in Amapi (sphere and cone merged), then twisted and distorted it in Amorphium (or you can try ZBrush instead). I imported the resulting 3D "flame" model into Bryce and used the fire material. Haven't tried the metaball way, so I don't know which is better or easier, but the flame model worked great for me.


jocko500 ( ) posted Wed, 04 May 2005 at 11:04 PM

I use two to four diff types of fires in the same place. looks more real to me

what you see is not what you know; it in your face


shinyary2 ( ) posted Wed, 04 May 2005 at 11:13 PM

Well the ones in the distance are certainly improved. Also the one in the foreground looks better in my opinion. Don't give up! Just because you can't immediately get the same results that they get on the tut on Brycetech, doesn't mean you won't ever. You just have to keep experimenting and trying. aprilgem, your fire looks great. What texture did you use? I'm guessing either Clay's or Beaumont's Fire (I think that's the name, don't have it myself, just heard of it).


jocko500 ( ) posted Wed, 04 May 2005 at 11:18 PM

put both of them there and see what you get [both at the same time]

what you see is not what you know; it in your face


aprilgem ( ) posted Wed, 04 May 2005 at 11:39 PM

I had Bryce 3D, so I couldn't use Clay's fire. I don't remember the name of the person who posted his DTE formula for the pre-Bryce 4 version, but Beaumont sounds familiar. Yeah, it could be him, I guess.


ek-art ( ) posted Thu, 05 May 2005 at 3:53 AM

Like Ysyvry said, I've duplicated the fire, scaled and repositioned it. I now have 50 metaballs and and it still looks like there's a hole in the fire...??

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Mahray ( ) posted Thu, 05 May 2005 at 4:25 AM

What sort of object mapping do you have currently? You might want to try a few different ones to see how they go, for example World Space or Object Space.

Come visit us at RenderGods.

Ignore the shooty dog thing.


FranOnTheEdge ( ) posted Thu, 05 May 2005 at 4:32 AM

file_232827.jpg

jocko500, That's exactly what I did, I used Cherry Boswell's campfire plus Baument's campfire, plus various spheres and metaballs and cones with Clay's Volumetric and Menno's Volumetric fires on them. With the two camp fires pretty much in the same place, some rocks added and the sphere's and metaballs positioned around here and there. Not that mine looks any better, just... different. Maybe it's that the volumetric items need to be poisitioned carefully, to that they don't overlap too much? I think someone said something about Bryce not letting you put two volumetrics in the same place or it'll produce odd lines where they clash - maybe one volumetric cancels out the other if they are EXACTLY in the same place? Maybe that could be why there's a hole in the middle? My fire doesn't look too bad at a distance, but when you look closely there are the odd angles (from cones) and strange dotted lines (possibly where things are clashing). (sigh)

Measure your mind's height
by the shade it casts.

Robert Browning (Paracelsus)

Fran's Freestuff

http://franontheedge.blogspot.com/

http://www.FranOnTheEdge.com


ek-art ( ) posted Thu, 05 May 2005 at 4:39 AM

Mahray, I had random mapping. Trying out a few others now.. Fran, I still thing your fire looks great. Mine is weird at huge distance too. I use Clay's volumetric fire all over. I can't seem to find the others mentioned? I browsed around for them for a long time yesterday..

Come join the Rendergods!


FranOnTheEdge ( ) posted Thu, 05 May 2005 at 6:49 AM

Attached Link: http://www.renderosity.com/freestuff.ez?Topsectionid=0&Form.SortOrder=UserName&Start=37&Form.Search

Try typing "Menno" in the freestuff search. There's a campfire on this page:

Measure your mind's height
by the shade it casts.

Robert Browning (Paracelsus)

Fran's Freestuff

http://franontheedge.blogspot.com/

http://www.FranOnTheEdge.com


FranOnTheEdge ( ) posted Thu, 05 May 2005 at 6:55 AM

I just typed "Fire" in the search here on the freestuff page. I think that link above is to the Cherry Boswell one campfire, and on the page after that (if you search under "fire" like I did) there's a nice teardrop fire - might be the one aprilgem mentioned? Oh and here's: http://claygraphics.phase2.net/volumetricfire.html clay's fires. But you've got that, haven't you?

Measure your mind's height
by the shade it casts.

Robert Browning (Paracelsus)

Fran's Freestuff

http://franontheedge.blogspot.com/

http://www.FranOnTheEdge.com


FranOnTheEdge ( ) posted Thu, 05 May 2005 at 7:13 AM

Arrrghghhhh, can't find Menno. I think I had this problem to begin with after someone recommended it, can't remember where I got it from after that, probably some kind person around here sent it to me... or sent me a link that worked... dunno - brain the size of a pea. Sorry. I suggest you keep asking around.

Measure your mind's height
by the shade it casts.

Robert Browning (Paracelsus)

Fran's Freestuff

http://franontheedge.blogspot.com/

http://www.FranOnTheEdge.com


shinyary2 ( ) posted Thu, 05 May 2005 at 10:07 AM

Maybe look it up on Google?... you've probably already tried that. Sorry, beyond my smudging method, I can't help you. If you have an image editor with a smudge tool, you should give it a shot. It's really not all that difficult, with a bit of practice. Fran your fire looks much better than it did originally. Bet that took a while to render... Good luck!


FranOnTheEdge ( ) posted Thu, 05 May 2005 at 6:04 PM

Um, I think it took about an hour - hour and a half.

Measure your mind's height
by the shade it casts.

Robert Browning (Paracelsus)

Fran's Freestuff

http://franontheedge.blogspot.com/

http://www.FranOnTheEdge.com


shinyary2 ( ) posted Thu, 05 May 2005 at 8:18 PM

Oh. Well that's not too bad, all things considered. Now you've got me thinking. Maybe I should add blue to the middle of my fires... Might look interesting. Hunh, I could even make it entirely blue! Got to think about that.


FranOnTheEdge ( ) posted Fri, 06 May 2005 at 9:37 AM

I have plans for a blue fireball, if only I could get a green fire too... (thinking about changing some colours in the mat lab) But I also want to have a blue water sphere, but with tiny water droplets all over the surface... be nice if I could get them inside as well, but I just haven't a clue how to even begin such a thing... I can see it in my head, but....

Measure your mind's height
by the shade it casts.

Robert Browning (Paracelsus)

Fran's Freestuff

http://franontheedge.blogspot.com/

http://www.FranOnTheEdge.com


shinyary2 ( ) posted Fri, 06 May 2005 at 10:44 AM

Doplets=metaballs? Same for inside, maybe just spheres? Good luck!


FranOnTheEdge ( ) posted Fri, 06 May 2005 at 5:02 PM

Well I've got something going... a sort of variation on what I was thinking - so far it's looking good. I just wish I was better at terrains...

Measure your mind's height
by the shade it casts.

Robert Browning (Paracelsus)

Fran's Freestuff

http://franontheedge.blogspot.com/

http://www.FranOnTheEdge.com


jocko500 ( ) posted Fri, 06 May 2005 at 5:32 PM

I know when diff metals burn like copper it will produce a green fire. I use to know the diff color of fires for diff metals and other things you add to fire. That how we get diff color firworks. If I find the diff colors of fire i let you all know. Plus if you mix water and oil the fire will be real bright but I hear you have to have a 2000 degrees heat too lol. There a lot of things that most artists do not know or use in they art about fire. Some thing to look up. I was going to but life got busy and I did not find the time to do it my self I FIND A LOT OF THE FIRE obj. somewhere lol I got them but where did I get them lol. I looked for 30 mintures so far. I keep on looking and if I find it I post it. FranOnTheEdge that looking good keep on playing with it.

what you see is not what you know; it in your face


jocko500 ( ) posted Fri, 06 May 2005 at 5:33 PM

oh yes when you make the fire it will not cast light you have to add a light to it

what you see is not what you know; it in your face


FranOnTheEdge ( ) posted Sat, 07 May 2005 at 12:03 PM

I have about 3 in mine... I think. Lights I mean. But I'm now playing with the new idea... as I'm sort of stuck with the campfire now anyway. But the new idea is doing well, now I just have to figure out how to get decent terrains... no luck yet.

Measure your mind's height
by the shade it casts.

Robert Browning (Paracelsus)

Fran's Freestuff

http://franontheedge.blogspot.com/

http://www.FranOnTheEdge.com


shinyary2 ( ) posted Sat, 07 May 2005 at 1:07 PM

file_232829.jpg

Fran, sorry I just couldn't resist. Your colors are so beautiful.... Please don't eat me! =) I promise I'll never do it again! =)


FranOnTheEdge ( ) posted Sat, 07 May 2005 at 4:58 PM

Oh wow! That's teriffic!!!!! I won't eat you if you tell me how you did it. (couldn't eat you anyway - I nicked the fire idea from ek-art) ggg

Measure your mind's height
by the shade it casts.

Robert Browning (Paracelsus)

Fran's Freestuff

http://franontheedge.blogspot.com/

http://www.FranOnTheEdge.com


shinyary2 ( ) posted Sat, 07 May 2005 at 5:38 PM

Attached Link: http://www.renderosity.com/tut.ez?Form.ViewPages=920

Glad you won't eat me! =) I would be too afraid of not tasting good! =) This is a link to my tutorial. Instead of creating a new scene with a fireball, just start at the postwork and use your scene instead. Or (as I did), cut and paste your flame (and only your flame if you can help it) onto a new layer, and do it from there. This way you avoid smudging your background. Good luck! Really I don't taste good! At least not without salt! =)


FranOnTheEdge ( ) posted Sat, 07 May 2005 at 5:54 PM

Awww shame! And there was I thinking it was something done in Bryce. I'll go take a look at the tut - always like to look at tuts. PS - I've got plenty of salt....

Measure your mind's height
by the shade it casts.

Robert Browning (Paracelsus)

Fran's Freestuff

http://franontheedge.blogspot.com/

http://www.FranOnTheEdge.com


FranOnTheEdge ( ) posted Sat, 07 May 2005 at 5:59 PM

Oh, didn't see any blue in the tut - tsk tsk tsk! gggg

Measure your mind's height
by the shade it casts.

Robert Browning (Paracelsus)

Fran's Freestuff

http://franontheedge.blogspot.com/

http://www.FranOnTheEdge.com


shinyary2 ( ) posted Sat, 07 May 2005 at 6:30 PM

Fran, that's why I used your colors. See? I just smudged your image, and the blue ended up there because I used your colors. I also didn't increase brightness or contrast on that. Should have, probably, I just forgot. LOL!


FranOnTheEdge ( ) posted Sun, 08 May 2005 at 2:53 AM

Aha! Gotcha.

Measure your mind's height
by the shade it casts.

Robert Browning (Paracelsus)

Fran's Freestuff

http://franontheedge.blogspot.com/

http://www.FranOnTheEdge.com


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