RE: [Dynapi-Help] Chaining animations / Timeline

[John S. <joh...@se...>]

Dan,

Thanks for the response.  I was able to get sequencing to work, but not by
using pathanim.js.  I am using the glideTo and slideTo methods to do the
animation, and I attach an event listener to each object that I am
animating.  onglideend triggers the next animation sequence.  As soon as I
get it completed, I will post a URL where you can check out the results.

I agree that a Timeline object would be nice.

I hit a web site (http://www.hadw.com/) which uses your old dynlayer, and
does do some sequencing of animations.  It's very slick.

--
John Sturgeon <><
joh...@Se... <mailto:joh...@Se...>
http://www.senareider.com/



> -----Original Message-----
> From: dyn...@li...
> [mailto:dyn...@li...]On Behalf Of Dan
> Steinman
> Sent: Tuesday, December 12, 2000 1:18 PM
> To: dyn...@li...
> Subject: Re: [Dynapi-Help] Chaining animations / Timeline
>
>
> I didn't put much thought into the chaining of the animations.
> However what you could do is just create one long animation by
> adding all the paths together:
>
> path1 = [...];
> path2 = [...];
> path1.concat(path2);
> pathanim.playAnimation(path1);
>
> But of course this isn't much help if after playing path1, you
> want to work with other objects as well.
>
> This brings up the possibility of having some higher level object
> that handle sequencing and timelines.
>
> A Sequence object would be fairly simple, could probably work like this:
>

[code example snipped]

>
> ... or something along those lines.  It would take some effort to
> determine exactly what's needed and how it should be used.
>
> A Timeline would probably have to be a different object
> altogether, and would work along the lines of Dreamweaver
> animation code.  I'm not very familiar with that works but I
> think it would be possible to come up with something that is
> equally as good.
>
> A Timeline is one master thread that controls many objects.  You
> can already do such a thing manually by using a custom Thread
> object.  But for a true timeline, you need have some logic built
> in for creating keyframes which are the points where animations
> start and stop.  This is where I got the idea of using some sort
> of Sprite object which would contain some the logic necessary to
> be added to a Timeline.  I don't have a lot of experience with
> this sort of stuff and unclear about how it should be done.  If
> there's some Dreamweaver users that could offer some suggestions
> about how a Timeline should operate I'd like to hear their opinions.
>
> I do know that one of the complexities involved is to "spread"
> animations out over a longer shorter period.  I made a
> PathAnimation.lineN() function it produces a slide animation that
> is N frames long (independent of the speed/increment).  It's that
> sort of code that a timeline would need to use for all the animation code.
>
> One goal I've had for a while is to create my own GUI program for
> doing dhtml aanimations (a free Java animator that works like
> Dreamweaver).  But we need a good animation codebase beforehand
> in order to build a GUI for it.
>
> Dan
>
>
> On Mon, Dec 11, 2000 at 02:56:21PM -0800, John Sturgeon wrote:
> > Hello everybody.
> >
> > I'm new to the list, and I'm just catching up to all of the
> capabilities of
> > DynAPI II.  I have a question about pathanim.js.
> >
> > I would like to chain one animation after another to create a
> sequence of
> > animations, and I can't seem to figure it out.
> >
> > I have looked at the example for pathanim.js, and I figured I
> could just add
> > my second animation sequence somewhere in the 'onpathstop' event, but it
> > doesn't seem to work as expected.
> >
> > --
> > John Sturgeon <><
> > joh...@Se... <mailto:joh...@Se...>
> >
> >
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