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> to enable accurate detailing, as i watch it, the car seems to from
> start do , a right turn, a left turn, a second left turn and then ends
> with space/ displacement in the loop
Yes... its just a 4 second animation looped. This is still very much
a work in progress. There is a higher quality one posted here:
http://www.tron-sector.com/forums/default.aspx?do=top&id=274417
along with some more info.
> just prior to the right turn, the tail effect seems to fragment
> after the first left, i see a triangular shaped shadow, which i
> undersand, on the second left turn there appears a darker
> red triangle which i dont follow, unless you have another
> light source that causes it
Yes... there are a total of 4 light sources in this scene.
light_source {<4000,6000,-6000> White}
light_source {<-60000,30000,10000> 0.5*White}
light_source {<-5000,9000,-6000> 0.7*White}
light_source {<-60000,70000,-15000> 0.3*White}
In the link above I talk about game grid units.
1 game grid unit = 100 POV-Ray units.
The grid itself is this:
#declare Foo = function
{min(abs(x)-int(abs(x)),abs(z)-int(abs(z)),1-(abs(x)-int(abs(x))),1-(abs(z)-
int(abs(z))))}
#declare grid = plane {y, 0
pigment {
function { Foo(x, y, z) }
color_map {
[0 color White]
[0.01 color White]
[0.02 rgb <0, 0.05, 0>]
[0.98 rgb <0,0.05, 0>]
[0.99 color White]
[1 color White]
}
scale 500
}
normal { bumps 0.01 scale 30 }
finish {
ambient .1
diffuse .5
reflection .55
specular 1
phong 1
}
}
> anyway i could leave it running in lieu of a screen saver, been
> watching for 10mins do :-)
Thanks... I can do better. I'm still trying to add the lines to the
tail. Check out what I tried to do over in the newusers area and
let me know if you have any ideas.
> wish i knew more
Did I answer all your questions?
Carl
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"stephen parkinson" <ste### [at] zmemw16 demoncouk> wrote in message
news:40476e8d$1@news.povray.org...
> to enable accurate detailing, as i watch it, the car seems to from start
Car?!
Can it be there's someone in the universe who has not seen Tron?
Animation looks pretty good but I suggest posting mpegs so you can show us
longer smoother animations without needing a massive file size.
Also, I'm not certain, but didn't the bikes in the movie have a little more
animation when they cornered (I thought they leant slightly before turning)? I
don't have my DVD to hand so I can't check.
The tail looks nice, it's one of my pet hates about the game Tron 2.0 is they
used a crappy little texture for that so it looked totally wrong close up, but
yours looks nice :)
--
Tek
www.evilsuperbrain.com
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> Animation looks pretty good but I suggest posting mpegs so you
> can show us longer smoother animations without needing a massive
> file size.
I just got Animation Shop 3 and I'm still learning the ropes. When
I get serious with multiple bikes and moving camera I'll do my best to
make it a nice mpeg. This was just a test of the leading trail effect to
see if it worked or not and I liked it enough I wanted to share.
> Also, I'm not certain, but didn't the bikes in the movie have a little
> more animation when they cornered (I thought they leant slightly
> before turning)?
Off the game grid where they don't leave the light trails and aren't
making 90 degree turns, they do lean into the the turns but I'm
almost certain they don't on the game grid. If they were to lean,
how would you match the light trail up with the rear tire?
There are some Light Cycle games out there that do have a leaning
effect in them though. That may be what you are thinking of.
There are two other effects I've left out of this one. In the movie
they simulated the wheels rotating by having a spoke in each wheel
that was fixed in place but flashed on/off from one frame to the next.
White lines that were fixed in place where also added to the trail
as it grew to help give that sence of motion. I've now got both of
these effects added in the latest test I just posted here:
http://www.tron-sector.com/forums/default.aspx?do=top&id=274417
> don't have my DVD to hand so I can't check.
I'll dig mine out too but I'm pretty sure there is no leaning on the
game grid.
> The tail looks nice, it's one of my pet hates about the game
> Tron 2.0 is they used a crappy little texture for that so it looked
> totally wrong close up, but yours looks nice :)
Thanks. Mine is made using a spherical texture pattern centered
of the center of the rear wheel. I wasn't sure how to make the
effect perfectly vertical like in the movie and have it continue
around the corners and look right. Besides I sort of like them
better this way. Call it a little artistic license. One problem with
this effect though is if the bike ever traveled close enough to it's
own trail it with 'light up' the part of the trail that its traveling
next to in addition to the part that follows it. I'm applying this
spherical texture pattern to the whole object and the light trail
for any one bike is just one big object. Anyone have any
suggestions as to the best way to fix that and allow a bike to
travel close to its own trail. I could break the animation up
and start it again with each bike having "old trail" and "new
trail" objects but my gut tells me there is a better solution then
that that wouldn't require me to manually piece together
different segments of the animation. The solution just hasn't
hit me yet.
Thanks,
Carl
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hof### [at] wtnet news:40475601@news.povray.org
> p.s. I had to cut this back to 63 colors to get it to fit. My 127
> color version at 770,071 bytes came back saying it was too
> big.
Oh my god. GIF's are bad, bad! realy *bad* formats for animations.
USe always mpeg-1/mpeg-2 instead.
--
http://www.raf256.com/3d/
Rafal Maj 'Raf256', home page - http://www.raf256.com/me/
Computer Graphics
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"Carl Hoff" <hof### [at] wtnet> wrote in news:404893b7@news.povray.org:
>> Animation looks pretty good but I suggest posting mpegs so you
>> can show us longer smoother animations without needing a massive
>> file size.
>
> I just got Animation Shop 3 and I'm still learning the ropes.
Animation Shop 3 is nice for post processing frames, but for mpeg
encoding I find tmpegenc hard to beat. I also use the plug-in
posted in the p.b.u newsgroup to allow it to work with PNG files
directly instead of BMP files. It saves a lot of disk space.
http://www.tmpgenc.net/e_main.html
http://news.povray.org/povray.binaries.utilities/thread/%3C3a82f26c%40news.povray.org%3E/?ttop=184074&toff=100
--
Tom
_________________________________
The Internet Movie Project
http://www.imp.org/
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I second that, Tmpgenc is awesome!
--
Tek
www.evilsuperbrain.com
"Tom Galvin" <tom### [at] imporg> wrote in message
news:Xns94A3F0C49E121tomatimporg@203.29.75.35...
> "Carl Hoff" <hof### [at] wtnet> wrote in news:404893b7@news.povray.org:
>
> >> Animation looks pretty good but I suggest posting mpegs so you
> >> can show us longer smoother animations without needing a massive
> >> file size.
> >
> > I just got Animation Shop 3 and I'm still learning the ropes.
>
> Animation Shop 3 is nice for post processing frames, but for mpeg
> encoding I find tmpegenc hard to beat. I also use the plug-in
> posted in the p.b.u newsgroup to allow it to work with PNG files
> directly instead of BMP files. It saves a lot of disk space.
>
>
> http://www.tmpgenc.net/e_main.html
>
http://news.povray.org/povray.binaries.utilities/thread/%3C3a82f26c%40news.povray.org%3E/?ttop=184074&toff=100
> --
> Tom
> _________________________________
> The Internet Movie Project
> http://www.imp.org/
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> Off the game grid where they don't leave the light trails and aren't
> making 90 degree turns, they do lean into the the turns but I'm
> almost certain they don't on the game grid. If they were to lean,
> how would you match the light trail up with the rear tire?
Yeah, you're probably right. It was just a feeling I had.
> Thanks. Mine is made using a spherical texture pattern centered
> of the center of the rear wheel. I wasn't sure how to make the
> effect perfectly vertical like in the movie and have it continue
> around the corners and look right. Besides I sort of like them
> better this way. Call it a little artistic license. One problem with
> this effect though is if the bike ever traveled close enough to it's
> own trail it with 'light up' the part of the trail that its traveling
> next to in addition to the part that follows it. I'm applying this
> spherical texture pattern to the whole object and the light trail
> for any one bike is just one big object. Anyone have any
> suggestions as to the best way to fix that and allow a bike to
> travel close to its own trail.
Perhaps you could use uv_mapping on your texture, so it gets applied
2-dimensionally to the surface of the trail, instead of 3-dimensionally.
--
Tek
www.evilsuperbrain.com
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"Carl Hoff" <hof### [at] wtnet> wrote in message news:40475601@news.povray.org...
> I hope this is small enough to fit. I have a question about object
> patterns that is related to this over in the newusers area. I still
> need to add the permanent white lines on the trail that are fixed
> in space and the flashing white spokes in the tires but it's looking
> better then I expected at this stage. Comments, tips, suggestions
> are all welcome. I've still got so much to learn...
>
> I hope you enjoy...
> Carl
>
> p.s. I had to cut this back to 63 colors to get it to fit. My 127
> color version at 770,071 bytes came back saying it was too
> big.
I liked it -- I would like to see a smooth MPEG-1 version though ;-)
Also, as I remember in the movie, the light trails did not reflect. If you
could make the light trails non-reflective, a bit more ambient, and even
glow just a bit using atmospheric effects, it would be even better. Also,
less reflective on the floor less of the "normal" amount would make it look
a little better too. It's a little too watery and detracts from the bike
itself.. The walls around the arena also need textures and a few more bikes
would finish it off -- plus a switch in camera angles, sound -- this has
gotta be a fun one to work on, I'm gettin' excited just imagining it! Maybe
just a bit of tilt to the camera down would also enhance the animation.
In response to the thing about leaning, there are some scenes in there
showing the drivers leaning over to make the turns. It just happens really
fast. The bike must be just thin enough to navigate a sharp corner within
two walls.
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> I liked it --
Thanks... Its been fun making it.
> I would like to see a smooth MPEG-1 version though ;-)
I'm working on it. Sounds like I need to find a program called
Tmpgenc and figure out how to use it. I'm about as green as
they come when it comes to this stuff. I learn something new
everyday I think. The first shot I took at making MPEGs
looked very rough and there were artifacts everywhere.
I had downloaded a program called VideoMach II and its
evaluation period is about over but I never liked the output
that I got. I thought the gifs looked better that I could make
but they are MUCH bigger files. Is there a tutorial out there
something along the lines of how to making nice MPEGs for
dummies?
> Also, as I remember in the movie, the light trails did not
> reflect.
Correct. That's something I added. Also the lines on the
trail should be vertical not curved as they are on mine. And
its also been pointed out then the lower body isn't reflective
chrome either. Also the floor isn't reflective at all in the movie.
Those are all effects that I added. I'm sure there are other
differences. Call it artistic licence...
> If you could make the light trails non-reflective,
That's easy enough but I sort of like the reflection. That's
why I put it there.
> a bit more ambient,
Does that mean brighter? I'm still learning what all these
terms mean.
> and even glow just a bit using atmospheric effects, it
> would be even better.
Oh I love that idea. I haven't played with atmospheric
effects yet though. Could you give me just a little piece
of code to play with to see how the glow effect can be
made?
> Also, less reflective on the floor less of the "normal"
> amount would make it look a little better too. It's a
> little too watery and detracts from the bike itself..
Ok... I like some normal though so I don't want to
get rid of all of that effect but I can tone it down. Note
in the movie there is no floor reflection.
> The walls around the arena also need textures
In this scene there aren't any walls. Its just an infinite
grid. The blue in the back-groud is a sky sphere. I
will get around to adding walls though. Here is one
of the first pictures I made:
http://www.tron-sector.com/gallery/show.aspx?ID=1037
The graphic for the walls I pulled out of one of the
shareware lightcycle games out there. I'd like to make
my own walls at some point.
> and a few more bikes would finish it off
Its already writen general enough that its quite easy to add
more bikes. It just takes alot longer to render.
> -- plus a switch in camera angles, sound
At the moment I have no idea how to add sound. I'll learn
I'm sure.
> -- this has gotta be a fun one to work on,
It is. I'm really enjoying it. I figure what better way to learn
this stuff then start with the same subjects the experts started
with 20+ years ago.
> I'm gettin' excited just imagining it!
I've got an idea for a TRON short that I'm working on.
I'll only be 1 or 2 minutes long but I've already got the
script written. If you'd like to help let me know.
> Maybe just a bit of tilt to the camera down would also
> enhance the animation.
This just a test animation to see if the trail effect worked.
I can do alot more with the camera but that wasn't the
focus of this test.
> In response to the thing about leaning, there are some
> scenes in there showing the drivers leaning over to
> make the turns.
Yes... but those aren't CGI scenes. The bikes themselves
don't lean on the game grid. I don't have a clue how to
mix live action with CGI.
> It just happens really fast.
I've look at that part of the movie frame by frame now I
think. I know what's there.
> The bike must be just thin enough to navigate a sharp
> corner within two walls.
My bikes are the same width as the ones in the movie.
Carl
P.S. I'll be moving in about a week so a may be out of
touch for a little while.
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"Carl Hoff" <hof### [at] wtnet> wrote in message news:404a9453@news.povray.org...
> > I liked it --
>
> Thanks... Its been fun making it.
>
> > I would like to see a smooth MPEG-1 version though ;-)
>
> I'm working on it. Sounds like I need to find a program called
> Tmpgenc and figure out how to use it. I'm about as green as
> they come when it comes to this stuff. I learn something new
> everyday I think. The first shot I took at making MPEGs
> looked very rough and there were artifacts everywhere.
> I had downloaded a program called VideoMach II and its
> evaluation period is about over but I never liked the output
> that I got. I thought the gifs looked better that I could make
> but they are MUCH bigger files. Is there a tutorial out there
> something along the lines of how to making nice MPEGs for
> dummies?
If you want to ensure that you have 100% full control over making your
MPEG-1 files, definitely want to go netpbm :-) They have a program inside
called pnmtompeg which is real difficult to use, but the trade-off is that
you get full control.
> > Also, as I remember in the movie, the light trails did not
> > reflect.
>
> Correct. That's something I added. Also the lines on the
> trail should be vertical not curved as they are on mine. And
> its also been pointed out then the lower body isn't reflective
> chrome either. Also the floor isn't reflective at all in the movie.
> Those are all effects that I added. I'm sure there are other
> differences. Call it artistic licence...
Yeah, if they had the ability, they probably would have reflected the floor
at the time too :-)
> > If you could make the light trails non-reflective,
>
> That's easy enough but I sort of like the reflection. That's
> why I put it there.
>
> > a bit more ambient,
>
> Does that mean brighter? I'm still learning what all these
> terms mean.
Well, sorta -- it really describes how much ambient light the object is
absorbing from its environment. However, if you go beyond the value of 1, it
has the effect of making the object look like it is glowing (although it
isn't a real glow).
> > and even glow just a bit using atmospheric effects, it
> > would be even better.
>
> Oh I love that idea. I haven't played with atmospheric
> effects yet though. Could you give me just a little piece
> of code to play with to see how the glow effect can be
> made?
I threw this together:
http://<broken link>/imagery/glow.shtml
I'm still a student of atmospheric media myself :-)
> > Also, less reflective on the floor less of the "normal"
> > amount would make it look a little better too. It's a
> > little too watery and detracts from the bike itself..
>
> Ok... I like some normal though so I don't want to
> get rid of all of that effect but I can tone it down. Note
> in the movie there is no floor reflection.
>
> > The walls around the arena also need textures
>
> In this scene there aren't any walls. Its just an infinite
> grid. The blue in the back-groud is a sky sphere. I
> will get around to adding walls though. Here is one
> of the first pictures I made:
>
> http://www.tron-sector.com/gallery/show.aspx?ID=1037
Sweet!!!
<snip />
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