POV-Ray : Newsgroups : povray.binaries.animations : Walking Along a Path WIP1 Server Time: 23 Sep 2017 16:28:03 GMT
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From: Rune
Subject: Re: Walking Along a Path WIP1
Date: 19 Oct 2001 12:57:47
Message: <3bd0234b@news.povray.org>
"ARTis" wrote:
> "Nekar Xenos" wrote:
> > What's the problem with quadrupeds or 'polypeds'
> > for that matter? Shouldn't it just be two 'bipeds'
> > behind each other linked by the body?
>
> That COULD work with walking, but not with running.

Could you elaborate a bit? While it's not quite as simple as Nekar makes it
sound, I think it could be done using roughly the same technique as with
bipeds. However, I'm interested in hearing about possible problems I may
encounter.

Rune
--
3D images and anims, include files, tutorials and more:
Rune's World:    http://rsj.mobilixnet.dk (updated June 26)
POV-Ray Users:   http://rsj.mobilixnet.dk/povrayusers/
POV-Ray Webring: http://webring.povray.co.uk


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From: Rune
Subject: Re: Walking Along a Path WIP1
Date: 19 Oct 2001 12:57:48
Message: <3bd0234c@news.povray.org>
"Rick [Kitty5]" wrote:
> very impressive :))

Thank you Rick! :)

> more!

That's easy for you to say! ;)

Rune
--
3D images and anims, include files, tutorials and more:
Rune's World:    http://rsj.mobilixnet.dk (updated June 26)
POV-Ray Users:   http://rsj.mobilixnet.dk/povrayusers/
POV-Ray Webring: http://webring.povray.co.uk


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From: Greg M  Johnson
Subject: Re: Walking Along a Path WIP1
Date: 19 Oct 2001 13:03:52
Message: <3BD02485.47DFD831@aol.com>
A given property of this server is that whatever I'm working on in its earliest
stages, Rune has already finished and published.  ;)

Amazing work!  I was trying something like that, but was so lazy as merely to
rotate the straight-line-walking character around a huge arc, introducing minute
feet slippage that I hoped no one would notice...

Q: what kind of spline works for you now?  I resorted to linear ones a year or
so ago and your recent complaints about the one in 3.5 gives me no incentive to
"upgrade."


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From: Rune
Subject: Re: Walking Along a Path WIP1
Date: 19 Oct 2001 21:01:13
Message: <3bd09499@news.povray.org>
"Greg M. Johnson" wrote:
> A given property of this server is that whatever
> I'm working on in its earliest stages, Rune has
> already finished and published.  ;)

Well, your recent postings with your animated character inspired me to get
started on this walking business again. There have also been other times
where I've been inspired by you, for example back when you worked on that
flocking system. There's constant competition around here - I also see that
lots of people are working on particle systems now, just like I've been
doing...

> Amazing work!

Thanks! :)

> I was trying something like that, but was so lazy as merely
> to rotate the straight-line-walking character around a huge
> arc, introducing minute feet slippage that I hoped no one
> would notice...

My approach is radically different as you probably can tell... :)

> Q: what kind of spline works for you now?  I resorted to
> linear ones a year or so ago and your recent complaints
> about the one in 3.5 gives me no incentive to "upgrade."

In the animation I've just posted no splines were used at all, only simple
math operations.

But later on when I need more complex motion I'll probably use the cubic
splines in POV-Ray 3.5 despite the limitations. I only hope that the bugs
will soon be fixed.

Rune
--
3D images and anims, include files, tutorials and more:
Rune's World:    http://rsj.mobilixnet.dk (updated June 26)
POV-Ray Users:   http://rsj.mobilixnet.dk/povrayusers/
POV-Ray Webring: http://webring.povray.co.uk


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From: Redbeard (MDJohnson)
Subject: Re: Walking Along a Path WIP1
Date: 20 Oct 2001 03:33:41
Message: <3bd0f095@news.povray.org>
"Rune" <run### [at] mobilixnetdk> wrote in message
news:3bcf5a23@news.povray.org...
> Some of you may have seen my previous walk experiments with simple walk and
> run cycles. (They can be found on my website.)
>
> Such simple walk cycles are nice if you want a character to walk with
> constant speed along a straight line.
>
> If however you want it to walk with variable speed along any given path
> (such as a spline), somewhat more sophisticated techniques are necessary.
>

I've always thought your work is simply amazing, Rune.  Part of the reason I'm
working on my gel simulation, in fact.

I can't wait to see the finished product.

Michael
--
#macro M(D,J)text{ttf"cyrvetic.ttf"D 1,0translate-J}#end#macro N(E,K)#local A=
M(E,K)light_source{-z*30rgb 1projected_through{A}}#end N("Michael"<1.6,-.2,5>)
N("Johnson"<1.9.8,5>)sphere{z*9,4pigment{gradient x+y scale 10color_map{[0 rgb
x][1rgb x+y]}sine_wave}} // (c)2001 Michael D Johnson red### [at] wvadelphianet


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From: Rune
Subject: Re: Walking Along a Path WIP1
Date: 20 Oct 2001 10:26:35
Message: <3bd1515b@news.povray.org>
"Redbeard (MDJohnson)" wrote:
> I've always thought your work is simply amazing, Rune.

Wow, thanks. :)

> Part of the reason I'm working on my gel simulation, in fact.

I get inspired by the works of lots of people around here, and I'd be happy
if anything I've made has inspired you!

> I can't wait to see the finished product.

I've never yet made an animation that is a finished product. Might take a
while yet before that happens...

Rune
--
3D images and anims, include files, tutorials and more:
Rune's World:    http://rsj.mobilixnet.dk (updated June 26)
POV-Ray Users:   http://rsj.mobilixnet.dk/povrayusers/
POV-Ray Webring: http://webring.povray.co.uk


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From: Greg M  Johnson
Subject: Re: Walking Along a Path WIP1
Date: 22 Oct 2001 02:46:35
Message: <3bd3888b@news.povray.org>
Rune wrote:

> In the animation I've just posted no splines were used at all, only simple
> math operations.

????
Could you please post the code for how you represented the walk path?


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From: Rune
Subject: Re: Walking Along a Path WIP1
Date: 22 Oct 2001 15:10:36
Message: <3bd436ec@news.povray.org>
Greg M. Johnson wrote:
> Rune wrote:
>
> > In the animation I've just posted no splines
> > were used at all, only simple math operations.
>
> ????
> Could you please post the code for how you
> represented the walk path?

Don't know if that's what you mean, but I've posted a simplified version of
the whole walking technique to povray.binaries.scene-files.

In return, could you tell me what you think of it? :)

Rune
--
3D images and anims, include files, tutorials and more:
Rune's World:    http://rsj.mobilixnet.dk (updated June 26)
POV-Ray Users:   http://rsj.mobilixnet.dk/povrayusers/
POV-Ray Webring: http://webring.povray.co.uk


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From: Greg M  Johnson
Subject: Re: Walking Along a Path WIP1
Date: 22 Oct 2001 16:55:42
Message: <3BD44F3D.4DF01C36@aol.com>
Okay, but first of all, you have a totally different "path" in the code you
posted THERE than in the anim you posted HERE, yes?

Rune wrote:

> Don't know if that's what you mean, but I've posted a simplified version of
> the whole walking technique to povray.binaries.scene-files.
>
> In return, could you tell me what you think of it? :)
>


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From: Rune
Subject: Re: Walking Along a Path WIP1
Date: 22 Oct 2001 17:25:18
Message: <3bd4567e@news.povray.org>
"Greg M. Johnson" wrote:
> Okay, but first of all, you have a totally different
> "path" in the code you posted THERE than in the anim
> you posted HERE, yes?

No, in fact they're exactly the same. By "path" I mean this:

// The path to follow:
#macro WalkPath (Time)
   vrotate(Time*x,180*Time*y)
#end

Rune
--
3D images and anims, include files, tutorials and more:
Rune's World:    http://rsj.mobilixnet.dk (updated June 26)
POV-Ray Users:   http://rsj.mobilixnet.dk/povrayusers/
POV-Ray Webring: http://webring.povray.co.uk


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