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Hi,
Back to POV, back to coding. ;o) Here are a few macros I made. The
landscape is just thrown in from an earlier scene of mine, so you can ignore
it along with the colors of the sky.
The landscape reveals that I haven't implemented a trace of the surface, so
the snowflakes just suddenly vanishes. I'll code a "fix" and see how slow it
parses... So far the parsing is very quick.
I have a scale problem as well, the snow is too big, the landscape too
small.. But most of this I coded today.. :o) You're welcome to give me
further hints and ideas! I'll also implement a way to ensure that none of
the snowflakes gets too close to the camera, and a way to increase their
size at long distances from the camera, to reduce flickering.. Eventually
I'll try to code a motion-blur effect (it will only work for the snow).
I'll release the macros, if you like it.
Best regards,
Hugo
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Attachments:
Download 'Snowfall_v01.mpg' (382 KB)
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On Wed, 18 Dec 2002 19:32:14 +0100, "Hugo" <hua### [at] post3 teledk> wrote:
>Back to POV, back to coding. ;o)
Sorry Hugo but your animation is nothing without nice snow-balls fight
relized with SimPOV ;-)
And soriusly, finally I don't need winter trip anymore. Nice trace.
ABX
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Can Sim_Pov make a snowfall?
Just heard about the program today, btw.
Regards,
Hugo
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Very impressive!
I like the "gentleness" of the snow falling, no rush, just calm winter
holidays :)
I'm interested in how you did the flakes, so if I'd be happy to see the
code! How is the render times?
Great landscape too btw! Now lets see a version with five times as much
snow!
Awesome work!
-Peter
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The movement of the flakes is great. Though when they get close you can see
they're triangular.
I used a partly transparent texture for triangular mesh snow in my entry to the
"Winter" stills round
(http://www.irtc.org/ftp/pub/stills/2002-04-30/icemine.jpg), the source is on
the IRTC site if you're interested (though I have no idea how fast it will trace
in an animation).
BTW, I didn't notice the scale problem until you said it! It looks quite natural
for some of the flakes to fall behind the hills in the ground, even though
they'd have to be massive!
Nice animation :)
--
Tek
http://www.evilsuperbrain.com
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> Very impressive!
Thank you!
> I'm interested in how you did the flakes, so I'd be
> happy to see the code! How is the render times?
You'll get the code soon. I still have some ideas that shouldn't be too hard
to add, and the result will look much better. The parsing time for the
animation I posted is about 1 second pr frame. That is for the snow, but the
landscape is a big heightfield that takes about 3 seconds on it's own
(measured at 1 Ghz AMD). The render time, well it depends on the quality of
AA, but I think, it was about 30 seconds pr frame.
> Now lets see a version with five times
> as much snow!
Coming up! ;o) But it will be different.
Regards,
Hugo
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