[Sidefx-houdini-list] Flamethrower effect help?
JRutherford at stclaircollege.ca
Tue Aug 3 19:22:35 EDT 2010
that's awesome reference.....those guys look like the Dead Stock Men that would come into the gas station where I worked, usually with a dead cow or horse in the back of their half ton.
From: sidefx-houdini-list-bounces at sidefx.com [sidefx-houdini-list-bounces at sidefx.com] On Behalf Of Robert Kelly [isstuff at gmail.com]
Sent: Tuesday, August 03, 2010 6:16 PM
To: sidefx-houdini-list at sidefx.com
Subject: Re: [Sidefx-houdini-list] Flamethrower effect help?
and here is some perfect reference!
On 2 August 2010 09:07, Raymond Chua <raylistic87 at gmail.com> wrote:
> Hi Jens,
> I have seen your test and it looks interesting!
> Look forward for your scene file! :)
> On Mon, Aug 2, 2010 at 5:03 PM, Jens Martensson
> <jempamartensson at gmail.com>wrote:
>> Hi I saw your post on odforce last week.
>> Been to busy working, but I did a quick test yesterday.
>> I will post the file on odforce tonight .
>> I think much of the effect is in the motion.
>> Mine is far from perfect, but it's a start.
>> I use particles to drive volume all the time, so in this example
>> I have particles emitting fluid which has speed of 1 (arbitrary number) and
>> the I have particles with double 2 which blows thru
>> the fire to have that spitting effect.
>> Hope this will help a bit
>> 2010/8/2 François Duchesneau <sidefx at trinix.ca>
>> > I cannot really help regarding Pyro but I'm about to create a fire
>> > explosion shot in slow motion and I will do my first R&D with particles
>> > with a Particle Fluid Surface followed by a deformation based on the
>> > normal. On this you apply a shader where the opacity is driven by the
>> > facing ratio. The smoke is actually the same simulation and surface as
>> > the fire but you use only the alpha in comp and tint it with a black
>> > You can have a look on a test I did at home. www.trinix.ca and go under
>> > the demo section to the fire skull.
>> > It may not be a good way to go for a flame thrower but it can give ideas
>> > maybe to complement your main effect or just the smoke etc. Maybe I'm
>> > wrong to take that path but the reason why I want to try it this way is
>> > to have more control. You can more easily shape the fire I think.
>> > François
>> > Raymond Chua wrote:
>> > > Hi guys,
>> > > Recently, I am trying to create a flamethrower effect in Houdini but I
>> > faced
>> > > a few issues.
>> > >
>> > > I am trying use pyro tools to create the effects and I have 2 questions
>> > for
>> > > now.
>> > > How do I get the flames to turn into smoke after a certain frames, rise
>> > up
>> > > in the air and vanish?
>> > >
>> > > I understand that the pryo solver uses a layer for fire and another for
>> > > smoke.
>> > >
>> > > Another question is that since my flamethrower effect is coming off
>> > a
>> > > "gun", how to make it so that it looks like it is "shooting out"?
>> > >
>> > > Hopefully, someone can give me some assistance. Thanks! =)
>> > >
>> > > Regards,
>> > > Ray
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> Raymond Chua | Computer Graphics Artist |
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