POV-Ray : Newsgroups : povray.binaries.animations : Gras Wind Test (mpg 480kbu) Server Time
19 Jul 2024 23:23:55 EDT (-0400)
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From: Bill DeWitt
Subject: Re: Gras Wind Test (mpg 480kbu)
Date: 29 Mar 2002 10:09:13
Message: <3ca48399@news.povray.org>
"Rune" <run### [at] mobilixnetdk> wrote in message
news:3ca45c6d@news.povray.org...
> There are quite some possibilities that I want to try out with this new
> technique before I make it into an include file.
>
> Here's a test of simulated wind blowing in the grass. I think it looks
> interesting, and yet something's not quite right. Any ideas?

    I think the areas of little gusts are too small.


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From: Tim Nikias
Subject: Re: Gras Wind Test (mpg 480kbu)
Date: 29 Mar 2002 10:23:00
Message: <3CA486DC.889C31AD@gmx.de>
As Bill said, the wind gusts cover too small areas, also, the
actual movement is quiet to fast and jerky IMHO.


--
Tim Nikias
Homepage: http://www.digitaltwilight.de/no_lights/index.html


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From: Tony[B]
Subject: Re: Gras Wind Test (mpg 480kbu)
Date: 29 Mar 2002 10:36:59
Message: <3ca48a1b@news.povray.org>
To me it looks like the grass is dancing. :)


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From: Sir Charles W  Shults III
Subject: Re: Gras Wind Test (mpg 480kbu)
Date: 29 Mar 2002 11:04:40
Message: <3ca49098$1@news.povray.org>
It has the potential, but the problem is simple- the grass looks too
"constrained".  Real grass would move more slowly and gracefully, and in wider
swaths.  However, you have a great start on getting it to do what you want.
    On reviewing it, the animation shows that the blades appear rigid and they
seem topivot from their bases.  Actual grass blades bend in the middle.  Is that
possible with your texture?

Cheers!

Chip Shults
My robotics, space and CGI web page - http://home.cfl.rr.com/aichip


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From: Rune
Subject: Re: Gras Wind Test (mpg 480kbu)
Date: 29 Mar 2002 11:33:36
Message: <3ca49760@news.povray.org>
"Tim Nikias" wrote:
> As Bill said, the wind gusts cover too small areas,
> also, the actual movement is quiet to fast and jerky IMHO.

Thanks Bill and Tim, I'll try to fix that.

Rune
--
3D images and anims, include files, tutorials and more:
Rune's World:  http://rsj.mobilixnet.dk (updated Feb 16)
POV-Ray Users: http://rsj.mobilixnet.dk/povrayusers/
POV-Ray Ring:  http://webring.povray.co.uk


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From: Rune
Subject: Re: Gras Wind Test (mpg 480kbu)
Date: 29 Mar 2002 11:33:38
Message: <3ca49762@news.povray.org>
"Sir Charles W. Shults III" wrote:
>     It has the potential, but the problem is simple-
> the grass looks too "constrained".  Real grass would
> move more slowly and gracefully, and in wider swaths.

Thanks for the tip, I'll try to fix that.

> However, you have a great start on getting it to do
> what you want.
>     On reviewing it, the animation shows that the
> blades appear rigid and they seem topivot from their
> bases.  Actual grass blades bend in the middle.  Is
> that possible with your texture?

*thinks for one second*

Yes! :)

Rune
--
3D images and anims, include files, tutorials and more:
Rune's World:  http://rsj.mobilixnet.dk (updated Feb 16)
POV-Ray Users: http://rsj.mobilixnet.dk/povrayusers/
POV-Ray Ring:  http://webring.povray.co.uk


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From: Rune
Subject: Re: Gras Wind Test (mpg 480kbu)
Date: 29 Mar 2002 11:33:42
Message: <3ca49766@news.povray.org>
"Tony[B]" wrote:
> To me it looks like the grass is dancing. :)

Weeeeell - in one way I guess it is ... if you want to be poetic! ;)

Rune
--
3D images and anims, include files, tutorials and more:
Rune's World:  http://rsj.mobilixnet.dk (updated Feb 16)
POV-Ray Users: http://rsj.mobilixnet.dk/povrayusers/
POV-Ray Ring:  http://webring.povray.co.uk


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From: Rune
Subject: Re: Gras Wind Test (mpg 480kbu)
Date: 29 Mar 2002 11:33:46
Message: <3ca4976a@news.povray.org>
"Rick [Kitty5]" wrote:
> it spoils the illusion

In what way?

Rune
--
3D images and anims, include files, tutorials and more:
Rune's World:  http://rsj.mobilixnet.dk (updated Feb 16)
POV-Ray Users: http://rsj.mobilixnet.dk/povrayusers/
POV-Ray Ring:  http://webring.povray.co.uk


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From: Rick [Kitty5]
Subject: Re: Gras Wind Test (mpg 480kbu)
Date: 29 Mar 2002 13:03:13
Message: <3ca4ac61$1@news.povray.org>
> > it spoils the illusion
>
> In what way?

the movement just looks flatter than previous anims


--
Rick

Kitty5 WebDesign - http://Kitty5.com
POV-Ray News & Resources - http://Povray.co.uk
TEL : +44 (01270) 501101 - FAX : +44 (01270) 251105 - ICQ : 15776037

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From: Thomas Charron
Subject: Re: Gras Wind Test (mpg 480kbu)
Date: 29 Mar 2002 13:25:50
Message: <3ca4b1ae$1@news.povray.org>
After watching it a few times over, it looks alot more like static
electricity making the hair on my arm move then grass blowing in the wind..
8-)  I'd guess that it's becouse everything looks to be going the same way,
the same amount, all at once, without any sort of chaotic behavior..
*shrug..  That make sense?


"Rune" <run### [at] mobilixnetdk> wrote in message
news:3ca45c6d@news.povray.org...
> There are quite some possibilities that I want to try out with this new
> technique before I make it into an include file.
> Here's a test of simulated wind blowing in the grass. I think it looks
> interesting, and yet something's not quite right. Any ideas?
> (BTW, I'll work on improving the interaction with the two balls and their
> shadows later.)


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