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From: Zack Lovatt <zack@zacklovatt.com>
Date: Thu, 20 Feb 2014 19:38:25 -0500
Message-ID: <CAGe1WtVwXirMa3Xrso=TzF2drbq8BRvGZJoLKJzJb9pnU3OFvA@mail.gmail.com>
Subject: Re: [AE] 3D ribbon with Particular
To: After Effects Mail List <AE-List@media-motion.tv>
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You could try sParticular (http://aescripts.com/sparticular), or if it's
not too much effort, you can duplicate your entire comp, turn it into a
depth matte using 'fills', and feed that into Particular as a depth pass.

Zack Lovatt
416.786.4129
www.zacklovatt.com


On 20 February 2014 18:58, Teddy Gage <teddygage@gmail.com> wrote:

>      So I am working for a fashion brand asking for a 3D ribbon effect
> that twists through fields of photos and video, going in front of and
> behind the images. My first thought was 3D stroke, but it didn't work, as I
> need it to have some shading from the comp lights. There's also the issue
> of painfully retiming the stroke moves using percentages of completion, and
> not actually having full "3D" control. (I can't draw a path that goes in
> all dimensions, just postcard transforms on the 2D mask paths, AFAIK.) I
> may however use it for some simple bending and repeating elements.
>
>      My next idea is to use a particular 2.0 layer with 0 emit velocity,
> and having the emitter tied to a null that I can then fully animate through
> 3D space. So far this is working pretty well. Comp lights work, it is easy
> to control.  However I am having some of the classic issues with Particular
> where it crosses other 3D objects in the scene and doesn't respect the
> stacking order. The ribbon is either completely in front of or completely
> behind the images.
>
> - now I could add 1 or 2 "obscuration layers" but it is not reasonable to
> do this for over a hundred layers individually
>
> - Would I need to precomp the entire layout, collapse transformations, and
> THEN use the precomp as an obscuring layer? Is this even possible? It would
> be a difficult way to work, I'd need to have every element layed out in 3D
> first. Doable, but I'd prefer to create both at once.
>
> - is there another solution I'm not thinking of? A good script for
> Particular maybe?
>
> Thanks,
> -TG
>
>
>
> --
> _____________________________
> VFX & Motion Graphic Artist
> teddygage dot com
>

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<div dir=3D"ltr">You could try sParticular (<a href=3D"http://aescripts.com=
/sparticular">http://aescripts.com/sparticular</a>), or if it&#39;s not too=
 much effort, you can duplicate your entire comp, turn it into a depth matt=
e using &#39;fills&#39;, and feed that into Particular as a depth pass.</di=
v>

<div class=3D"gmail_extra"><br clear=3D"all"><div><div dir=3D"ltr">Zack Lov=
att<div><font size=3D"1">416.786.4129</font></div><div><span style=3D"font-=
size:x-small"><a href=3D"http://www.zacklovatt.com" target=3D"_blank">www.z=
acklovatt.com</a></span></div>

</div></div>
<br><br><div class=3D"gmail_quote">On 20 February 2014 18:58, Teddy Gage <s=
pan dir=3D"ltr">&lt;<a href=3D"mailto:teddygage@gmail.com" target=3D"_blank=
">teddygage@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_q=
uote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1e=
x">

<div dir=3D"ltr">=A0 =A0 =A0So I am working for a fashion brand asking for =
a 3D ribbon effect that twists through fields of photos and video, going in=
 front of and behind the images. My first thought was 3D stroke, but it did=
n&#39;t work, as I need it to have some shading from the comp lights. There=
&#39;s also the issue of painfully retiming the stroke moves using percenta=
ges of completion, and not actually having full &quot;3D&quot; control. (I =
can&#39;t draw a path that goes in all dimensions, just postcard transforms=
 on the 2D mask paths, AFAIK.) I may however use it for some simple bending=
 and repeating elements.<div>



<br></div><div>=A0 =A0 =A0My next idea is to use a particular 2.0 layer wit=
h 0 emit velocity, and having the emitter tied to a null that I can then fu=
lly animate through 3D space. So far this is working pretty well. Comp ligh=
ts work, it is easy to control. =A0However I am having some of the classic =
issues with Particular where it crosses other 3D objects in the scene and d=
oesn&#39;t respect the stacking order. The ribbon is either completely in f=
ront of or completely behind the images.</div>



<div><br></div><div>- now I could add 1 or 2 &quot;obscuration layers&quot;=
 but it is not reasonable to do this for over a hundred layers individually=
</div><div><br></div><div>- Would I need to precomp the entire layout, coll=
apse transformations, and THEN use the precomp as an obscuring layer? Is th=
is even possible? It would be a difficult way to work, I&#39;d need to have=
 every element layed out in 3D first. Doable, but I&#39;d prefer to create =
both at once.</div>



<div><br></div><div>- is there another solution I&#39;m not thinking of? A =
good script for Particular maybe?</div><div><br></div><div>Thanks,</div><di=
v>-TG</div><span class=3D"HOEnZb"><font color=3D"#888888"><div><br></div><d=
iv>

<br clear=3D"all"><div><br></div>-- <br><div dir=3D"ltr">

<div><font size=3D"1">_____________________________</font></div><div><font =
style color=3D"#6aa84f" size=3D"1" face=3D"georgia, serif">VFX &amp; Motion=
 Graphic Artist<br>teddygage dot com</font></div>

</div>
</div></font></span></div>
</blockquote></div><br></div>

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