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Hi,
this is my first animation, so may be with lots of bugs.
But I concentrated mostly on the kinematics rather than textures and lights.
I didn't use radiosity, area lights and so on, so I'm wondering why the
center of the picture is quite noisy as if there were any randomness.
http://home.nexgo.de/auspeitscher/Domino.mpg
Ralf
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On Thu, 25 Nov 2004 08:44:11 +0100, "Ralf Jonas"
<Scr### [at] hotmail com> wrote:
>Hi,
>
>this is my first animation, so may be with lots of bugs.
>But I concentrated mostly on the kinematics rather than textures and lights.
>I didn't use radiosity, area lights and so on, so I'm wondering why the
>center of the picture is quite noisy as if there were any randomness.
>
>http://home.nexgo.de/auspeitscher/Domino.mpg
>
>Ralf
>
This is very pleasing to the eye, nice choice of colours. As for the
noise, did you turn jitter off in anti-aliasing? Can you increase your
quality settings in your animation encoding programme?
Regards
Stephen
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"Ralf Jonas" <Scr### [at] hotmailcom> wrote in message
news:41a58d4c$1@news.povray.org...
> Hi,
>
> this is my first animation, so may be with lots of bugs.
> But I concentrated mostly on the kinematics rather than
> textures and lights.
> I didn't use radiosity, area lights and so on, so I'm
> wondering why the center of the picture is quite noisy as
> if there were any randomness.
>
> http://home.nexgo.de/auspeitscher/Domino.mpg
>
> Ralf
Impressive! How did you do the kinematics? I have
previously tried making dominos with the mechsim feature but
didn't get very far at all as it seemed too slow to
calculate more than even a few dominos.
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> Impressive! How did you do the kinematics? I have
> previously tried making dominos with the mechsim feature but
> didn't get very far at all as it seemed too slow to
> calculate more than even a few dominos.
Well I didn't do the kinematics or the animation (though I've got a
rollercoaster coming up next), though I would probably have an activation
frame (if statement) for each domino and any frames greater than the
activation frame rotate (using difference) it to a set value that can't be
exceeded. a power statement may be required to accurately control the
dominos rotation.
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Hi,
> This is very pleasing to the eye, nice choice of colours.
the colors are computed by sine waves. First I get the distance of a domino
from the center of the area. Next I use this distance value as angle #1.
Angle #2 is angle #1 plus 120 degrees, and angle #3 is angle #1 plus 240
degrees. Then I compute the color with rgb<255 * sin(#1), 255 * sin(#2), 255
* sin(#3)>.
> As for the noise, did you turn jitter off in anti-aliasing?
Ahh, that was the point. I rerendered the scene with +J0.0 and got a much
stadier result. Strange, the new Domino.mpg is a bit larger allthough there
is now no noise.
Ralf
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Hi,
> Well I didn't do the kinematics or the animation (though I've got a
> rollercoaster coming up next), though I would probably have an activation
> frame (if statement) for each domino and any frames greater than the
> activation frame rotate (using difference) it to a set value that can't be
> exceeded. a power statement may be required to accurately control the
> dominos rotation.
absolutely right. I played around with mechsim too, but it was way too slow
for even a small number of dominos. So that was definitely not the way to do
1700 dominos as I used in this first experiment.
Next I coded a macro for each domino and each domino got an explicit number,
i. e. when it has to fall. The falling takes five successive images and
mathematics by hand and even if you look very closely to a fallen domino row
it looks okay.
Currently I'm working on a much bigger domino field with many areas. The
hardest job is a good camera movement next to the falling dominos. And of
course to get even better ideas for the arrangement of each area.
If I'm through with that I'll do the rest like floor texture, domino
textures, normals and finish and the lighting. I'm quit sure that slows down
rendering dramatically. The current Domino.mpg took 3h12 for 140 pictures.
Ralf
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