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From: Jetlag
Subject: Bouncing Ball... Warning: Checkered floor (322 KB)
Date: 16 Feb 2000 00:56:55
Message: <38aa3c27@news.povray.org>
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As you can see, I'm trying to get a good physics model going, this was one
of my first attempts.
Post a reply to this message
Attachments:
Download 'trace32.mpg' (323 KB)
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Jetlag wrote:
>
> As you can see, I'm trying to get a good physics model going, this was one
> of my first attempts.
Interesting, how did you manage to get the thing rolling once
it stops bouncing?
Markus
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From: Rick [Kitty5]
Subject: Re: Bouncing Ball... Warning: Checkered floor (322 KB)
Date: 16 Feb 2000 08:05:25
Message: <38aaa095@news.povray.org>
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does it work if you put objects in the scene as well?
Rick
"Jetlag" <bga### [at] microsoft com> wrote in message
news:38aa3c27@news.povray.org...
> As you can see, I'm trying to get a good physics model going, this was one
> of my first attempts.
>
>
>
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From: Jetlag
Subject: Re: Bouncing Ball... Warning: Checkered floor (322 KB)
Date: 16 Feb 2000 18:54:25
Message: <38ab38b1@news.povray.org>
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no, this scene was hard coded, ie, the direction of the acceleration, the
normal of the bounce, the only thing the ball "sees" is the floor. It was
just a test of vector acceleration and velocity.
> does it work if you put objects in the scene as well?
>
> Rick
>
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From: Jetlag
Subject: Re: Bouncing Ball... Warning: Checkered floor (322 KB)
Date: 16 Feb 2000 18:54:29
Message: <38ab38b5@news.povray.org>
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Well, the rotation is faked, the equation I used makes it look natural only
when its on the floor, it goes way to fast when its bouncing. Basically
every time it touches the floor I made it lose velocity. It retains almost
the same (x,y) speed when its bouncing and slows down quickly after it
settles on the floor.
> Interesting, how did you manage to get the thing rolling once
> it stops bouncing?
>
> Markus
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On Wed, 16 Feb 2000 00:53:01 -0500, "Jetlag" <bga### [at] microsoftcom>
wrote:
>As you can see, I'm trying to get a good physics model going, this was one
>of my first attempts.
I think it should reverse the direction of rotation when it bounces.
Superballs do, pool balls as well, so...
Peter Popov
pet### [at] tagpovrayorg
ICQ: 15002700
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