Return-Path: <byronnash@gmail.com>
Received: from mail-la0-f50.google.com ([209.85.215.50] verified)
  by media-motion.tv (CommuniGate Pro SMTP 4.2.10)
  with ESMTP-TLS id 5326145 for AE-List@media-motion.tv; Sun, 22 Dec 2013 04:45:48 +0100
Received: by mail-la0-f50.google.com with SMTP id el20so1713284lab.23
        for <AE-List@media-motion.tv>; Sat, 21 Dec 2013 19:48:52 -0800 (PST)
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=gmail.com; s=20120113;
        h=mime-version:in-reply-to:references:from:date:message-id:subject:to
         :content-type;
        bh=2X63UlKDMch24rt3YSHJJ5NlAMikh91nLK0de+05BhQ=;
        b=qilPia3mdeO2pm9PNdKKaU7SfRgoHWxlYozYIX2tz6cRkQ2Vv9BQkA+4h+9CpUtv7E
         blhup0aDgZV9mh5Kj3qzSETjCisqHppqC+KshbIvx2QAY+rXVeGytbnZCtUpg7dR5eX3
         evDBMn/K1e1huLg9mEiyE4ltIhtLzu+g/hnqqt268Xm9SU1qeCTI+uw6JjyNPoqUNuJp
         A6MT+kECkhepXq0PxeiHOOX05O+XLpNoOUljb6mw+z7Pw8Jdo1igiP+eETes4di66+CL
         xt8r3A1ycei6tJQ+7EBAw9NOUZf1BavtfLRbJehV+DjPnGD27YUKIUcb1roi7cNDHFu1
         PF2w==
X-Received: by 10.152.219.166 with SMTP id pp6mr154366lac.46.1387684132228;
 Sat, 21 Dec 2013 19:48:52 -0800 (PST)
MIME-Version: 1.0
Received: by 10.152.22.98 with HTTP; Sat, 21 Dec 2013 19:48:32 -0800 (PST)
In-Reply-To: <list-5325138@media-motion.tv>
References: <list-5325138@media-motion.tv>
From: Byron Nash <byronnash@gmail.com>
Date: Sat, 21 Dec 2013 22:48:32 -0500
Message-ID: <CANGV+5qNsN_3MX3XShHgRvKNZJeNeAnZfuNSS0ym6EUb9pgu_w@mail.gmail.com>
Subject: Re: [AE] Expressions: Somewhere between Auto Orient and Auto Orient Y only
To: After Effects Mail List <AE-List@media-motion.tv>
Content-Type: multipart/alternative; boundary=001a11343296c3120504ee1763bc

--001a11343296c3120504ee1763bc
Content-Type: text/plain; charset=ISO-8859-1

That's perfect Dan, exactly what I was looking for. That is the first time
I have used toWorldVec in the layer space transforms. What is that line
doing, setting up some kind of "up-vector" on Z?


On Fri, Dec 20, 2013 at 4:29 PM, Dan Ebberts <debberts@comcast.net> wrote:

>   Try turning off auto orient and use this for orientation:
>
> v = thisComp.layer("Camera 1").toWorldVec([0,0,1]);
> lookAt(position,position+v)
>
>
> Dan
>
>  *From:* Byron Nash <byronnash@gmail.com>
> *Sent:* Friday, December 20, 2013 1:23 PM
> *To:* After Effects Mail List <AE-List@media-motion.tv>
> *Subject:* Re: [AE] Expressions: Somewhere between Auto Orient and Auto
> Orient Y only
>
>  Probably so, I just need to find that math! :-)
>
>
> On Fri, Dec 20, 2013 at 3:28 PM, Lloyd Alvarez <lists@aescripts.com>wrote:
>
>> Do mean like a multi-plane? http://aescripts.com/pt_multiplane/
>>
>>  Cheers,
>> Lloyd
>>
>>
>> On Fri, Dec 20, 2013 at 3:14 PM, Byron Nash <byronnash@gmail.com> wrote:
>>
>>> I need to keep some 3D layers flat in screen space. One immediately
>>> reaches for the Auto Orient switch. It seems to get weird on the screen
>>> edges as a layer approaches the camera. I tried Dan Ebberts go to
>>> expression for Y only orientation(
>>> http://motionscript.com/design-guide/auto-orient-y-only.html) but that
>>> doesn't do the trick either. I bascially want the layers to be rotated so
>>> they have no perspective but still stick to the 3D position.
>>>
>>> I'm sure this has been done before...
>>>
>>
>>
>
>

--001a11343296c3120504ee1763bc
Content-Type: text/html; charset=ISO-8859-1
Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr">That&#39;s perfect Dan, exactly what I was looking for. Th=
at is the first time I have used toWorldVec in the layer space transforms. =
What is that line doing, setting up some kind of &quot;up-vector&quot; on Z=
?</div>

<div class=3D"gmail_extra"><br><br><div class=3D"gmail_quote">On Fri, Dec 2=
0, 2013 at 4:29 PM, Dan Ebberts <span dir=3D"ltr">&lt;<a href=3D"mailto:deb=
berts@comcast.net" target=3D"_blank">debberts@comcast.net</a>&gt;</span> wr=
ote:<br>

<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">
<div dir=3D"ltr">
<div dir=3D"ltr">
<div style=3D"font-size:12pt;font-family:&#39;Calibri&#39;">
<div>Try turning off auto orient and use this for orientation:</div>
<div>=A0</div>
<div>v =3D thisComp.layer(&quot;Camera 1&quot;).toWorldVec([0,0,1]);</div>
<div>lookAt(position,position+v)</div>
<div>=A0</div>
<div>=A0</div>
<div>Dan</div>
<div style=3D"font-style:normal;font-size:small;display:inline;font-family:=
&quot;Calibri&quot;;text-decoration:none;font-weight:normal">
<div style=3D"FONT:10pt tahoma">
<div>=A0</div>
<div style=3D"BACKGROUND:#f5f5f5">
<div><b>From:</b> <a title=3D"byronnash@gmail.com" href=3D"mailto:byronnash=
@gmail.com" target=3D"_blank">Byron Nash</a> </div>
<div><b>Sent:</b> Friday, December 20, 2013 1:23 PM</div>
<div><b>To:</b> <a title=3D"AE-List@media-motion.tv" href=3D"mailto:AE-List=
@media-motion.tv" target=3D"_blank">After Effects Mail List</a> </div>
<div><b>Subject:</b> Re: [AE] Expressions: Somewhere between Auto Orient an=
d=20
Auto Orient Y only</div></div></div>
<div>=A0</div></div><div><div class=3D"h5">
<div style=3D"font-style:normal;font-size:small;display:inline;font-family:=
&quot;Calibri&quot;;text-decoration:none;font-weight:normal">
<div dir=3D"ltr">Probably so, I just need to find that math! :-)</div>
<div class=3D"gmail_extra"><br><br>
<div class=3D"gmail_quote">On Fri, Dec 20, 2013 at 3:28 PM, Lloyd Alvarez <=
span dir=3D"ltr">&lt;<a href=3D"mailto:lists@aescripts.com" target=3D"_blan=
k">lists@aescripts.com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"PADDING-LEFT:1ex;MARGIN:0px 0px =
0px 0.8ex;BORDER-LEFT:#ccc 1px solid">
  <div dir=3D"ltr">Do mean like a multi-plane? <a href=3D"http://aescripts.=
com/pt_multiplane/" target=3D"_blank">http://aescripts.com/pt_multiplane/</=
a></div>
  <div class=3D"gmail_extra">
  <div>=A0</div>
  <div>
  <div dir=3D"ltr">Cheers,=20
  <div>Lloyd</div></div></div>
  <div><br><br>
  <div class=3D"gmail_quote">On Fri, Dec 20, 2013 at 3:14 PM, Byron Nash <s=
pan dir=3D"ltr">&lt;<a href=3D"mailto:byronnash@gmail.com" target=3D"_blank=
">byronnash@gmail.com</a>&gt;</span> wrote:<br>
  <blockquote class=3D"gmail_quote" style=3D"PADDING-LEFT:1ex;MARGIN:0px 0p=
x 0px 0.8ex;BORDER-LEFT:#ccc 1px solid">
    <div dir=3D"ltr">I need to keep some 3D layers flat in screen space. On=
e=20
    immediately reaches for the Auto Orient switch. It seems to get weird o=
n the=20
    screen edges as a layer approaches the camera. I tried Dan Ebberts go t=
o=20
    expression for Y only orientation(<a href=3D"http://motionscript.com/de=
sign-guide/auto-orient-y-only.html" target=3D"_blank">http://motionscript.c=
om/design-guide/auto-orient-y-only.html</a>)=20
    but that doesn&#39;t do the trick either. I bascially want the layers t=
o be=20
    rotated so they have no perspective but still stick to the 3D=20
    position.=A0=20
    <div>=A0</div>
    <div>I&#39;m sure this has been done before...</div></div></blockquote>=
</div>
  <div>=A0</div></div></div></blockquote></div>
<div>=A0</div></div></div></div></div></div></div></div>
</blockquote></div><br></div>

--001a11343296c3120504ee1763bc--