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Matt Giwer wrote:
>
> One of the best I have seen or perhaps the one that looks most like
> ILM would produce.
Thank you VERY much for the compliment, but i'm sure that ILM can do a
better job, dont' they ??????.... :)
And, ILM would have added a shockwave...... well, lets go to work and
make my own shockwave !!!
Bouf.
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In article <387C6D89.2FCEB084@nanterre.marelli.fr>, Bouf
<Chr### [at] nanterre marellifr> wrote:
> And, ILM would have added a shockwave...... well, lets go to work and
> make my own shockwave !!!
Hmm, the symmetrical and roughly spherical shape suggest it is in null
gravity and so probably in a vacuum. Vacuums don't show shockwaves...
It is a very good explosion effect, though. Definitely of at least equal
quality with most movie effects.
--
Chris Huff
e-mail: chr### [at] yahoocom
Web page: http://chrishuff.dhs.org/
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Bouf wrote:
> Matt Giwer wrote:
> >
> > One of the best I have seen or perhaps the one that looks most like
> > ILM would produce.
>
> Thank you VERY much for the compliment, but i'm sure that ILM can do a
> better job, dont' they ??????.... :)
Today, ILM adds a ring that comes out that is meaningless and impossible
by physics. At least the old ILM didn't obviously violate physics too badly.
> And, ILM would have added a shockwave...... well, lets go to work and
> make my own shockwave !!!
That is precisely the issue. A real shock wave is spherical not an
expanding ring. You can see it in a few WWII explosions. And it is really
moisture condensation from the overpressure, like a cloud, so you see it less
in desert explosions. In other words, there are no shockwaves in space any
more than there is sound. But almost all the movies have both. 2001 was
praised for not having sound in space. Star Wars put it back. Babylon 5 did
it right only once in the one episode with the two maintenance workers if I
remember.
Looking like ILM is not necessarily a compliment to realism but it is
recognition that it is what people expect to see. Quite like machinegun
bullets making puffs in the dirt at the bad guy's feet and the one killing
shot jumping up to hit him. Or bullets causing sparks when they hit. Or a
thousand other hollywoodisms that exist only in movies.
Duplicating Hollywood and realism are not the same thing. However in
competition you can lose points for not being like Hollywood.
For your image, it was symetrical and dissipated. It also stayed dense in
the early part of the expansion before chaos would cause the clumping and
filimenting. I don't know what you had in mind or put into the scene but that
is more like the real result.
The only improvement in realism I can suggest is that it be white for the
first few frames and drop through yellow for most of the rest then quickly
through orange to red at the end. That would follow the temperature decrease
from the expansion of the gasses. Whether or not that would look hollywood is
another question.
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Thanks to those who have take time to give me advices and compliments.
I'm releasing my last attempt (for now) to make this explosion I'm
dreaming since I know POV.
The explosion is a bit less symetrical, and I've added some streaks and
an "ILM-style Shockwave" (actually slightly adapted H.E.Day's
Shockwave). No, it's not more realist (reality is often not very
impressive....:-)
I will clean up the source and make it available for all, before
adding/deleting/rewriting some features in a few
weeks/months/years(?)....
Bouf.
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Attachments:
Download 'expl11.mpg' (100 KB)
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I can almost see that anguish on the face of the poor crew of that exploding
spaceship... oops, my imagination went too far. Great explosion! Really!
Please release the source soon. :) I suggest you just release it after
cleaning, and not worry about adding features, until it has been released,
that way you won't delay the release like Rune (hint, hint).
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TonyB wrote:
>
> I can almost see that anguish on the face of the poor crew of that exploding
> spaceship... oops, my imagination went too far. Great explosion! Really!
> Please release the source soon. :) I suggest you just release it after
> cleaning, and not worry about adding features, until it has been released,
> that way you won't delay the release like Rune (hint, hint).
That's exactly what I intended to do, but it seems my poor knowledge of
english langage betrayed me once again... :(
So look in p.b.s-f in a few days.
Bouf.
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Interesting. The streaks flying away from the explosion need a constant
speed, no resistance in space and all... This is an excellent attempt at
creating a realistic 0g explosion. If you want some more hints and possible
source code, take a look at my IRTC entry for the subject of debris. Some
really neat randomized explosions in there!
Keep up the good work!--
H.E. Day
------------------------
Science is merely a method of gathering data and information.
Science *cannot* prove facts.
It can only provide theories that fit given data.
Technology is merely Science applied to common situations.
Technology is used for both good and evil.
Society is a framework mostly dependent on the willing participation of it
subjects.
Kingdoms and dominions come and go, none are eternal.
In the end, Society, Technology, and Science do not matter. Only the actions
and choices of the individual will matter. <><
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source posted in p.b.s-f.
Bouf.
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"H.E. Day" wrote:
>
> Interesting. The streaks flying away from the explosion need a constant
> speed, no resistance in space and all...
right !! I didn't think of that.
> This is an excellent attempt at
> creating a realistic 0g explosion. If you want some more hints and possible
> source code, take a look at my IRTC entry for the subject of debris. Some
> really neat randomized explosions in there!
> Keep up the good work!--
Thanks to the one who inspired me !!!
I will take a look at your IRTC entry (still round, I presume ???, or is
it the "Decay" animation round ??? (I've already seen it, of course !!!
:).
> H.E. Day
Bouf.
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You're right, it's the decay anim round. Sorry. Love your pic in p.b.i.
H.E. Day
------------------------
Science is merely a method of gathering data and information.
Science *cannot* prove facts.
It can only provide theories that fit given data.
Technology is merely Science applied to common situations.
Technology is used for both good and evil.
Society is a framework mostly dependent on the willing participation of it
subjects.
Kingdoms and dominions come and go, none are eternal.
In the end, Society, Technology, and Science do not matter. Only the actions
and choices of the individual will matter. <><
Post a reply to this message
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