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From: Robert Kjettrup <robert@stvmayday.dk>
Date: Thu, 30 Aug 2012 23:49:07 +0200
Message-ID: <CAFu=tabWKAYMPzg8uq0C89MVMZzqz+1YL-cDVbfcCdR8vi+AxQ@mail.gmail.com>
Subject: Re: [AE] 2d lookAt expression
To: After Effects Mail List <AE-List@media-motion.tv>
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Hi Dan

thanks, works perfectly.


Robert Kjettrup / Grafiker / STV Mayday
Mobil: 25 18 95 16
Mail: robert@stvmayday.dk


2012/8/30 Dan Ebberts <debberts@comcast.net>

>   Try this:
>
> target = thisComp.layer("Null 2");
> d = target.transform.position - transform.position;
> radiansToDegrees(Math.atan2(d[1],d[0]))
>
> Dan
>
>  *From:* Robert Kjettrup <robert@stvmayday.dk>
> *Sent:* Thursday, August 30, 2012 11:43 AM
> *To:* After Effects Mail List <AE-List@media-motion.tv>
> *Subject:* [AE] 2d lookAt expression
>
>  Hi
>
> Right now i am stuck trying to write a seemingly simple expression.
> I want a normal 2d null to "look at" another 2d null and can't figure out
> what the expression should look like.
> LookAt() seems like it is only for 3d layers? and my goto resource for
> quick tips for expressions, Dan Ebberts motionscript.com doesn't have
> anything on something this simple :-)
>
>
> Robert Kjettrup / Grafiker / STV Mayday
> Mobil: 25 18 95 16
> Mail: robert@stvmayday.dk
>

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<div>Hi Dan</div><div><br></div><div>thanks, works perfectly.</div><div><br=
></div><br clear=3D"all">Robert Kjettrup / Grafiker / STV Mayday<br>Mobil: =
25 18 95 16<br>Mail: <a href=3D"mailto:robert@stvmayday.dk" target=3D"_blan=
k">robert@stvmayday.dk</a><br>


<br><br><div class=3D"gmail_quote">2012/8/30 Dan Ebberts <span dir=3D"ltr">=
&lt;<a href=3D"mailto:debberts@comcast.net" target=3D"_blank">debberts@comc=
ast.net</a>&gt;</span><br><blockquote class=3D"gmail_quote" style=3D"margin=
:0 0 0 .8ex;border-left:1px #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 this:</div>
<div>=A0</div>
<div>target =3D thisComp.layer(&quot;Null 2&quot;);</div>
<div>d =3D target.transform.position - transform.position;</div>
<div>radiansToDegrees(Math.atan2(d[1],d[0]))</div>
<div>=A0</div>
<div>Dan</div>
<div style=3D"font-size:small;font-style:normal;text-decoration:none;font-f=
amily:&#39;Calibri&#39;;display:inline;font-weight:normal">
<div style=3D"FONT:10pt tahoma">
<div>=A0</div>
<div style=3D"BACKGROUND:#f5f5f5">
<div><b>From:</b> <a title=3D"robert@stvmayday.dk" href=3D"mailto:robert@st=
vmayday.dk" target=3D"_blank">Robert Kjettrup</a> </div>
<div><b>Sent:</b> Thursday, August 30, 2012 11:43 AM</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> [AE] 2d lookAt expression</div></div></div>
<div>=A0</div></div><div><div class=3D"h5">
<div style=3D"font-size:small;font-style:normal;text-decoration:none;font-f=
amily:&#39;Calibri&#39;;display:inline;font-weight:normal">
<div>Hi</div>
<div>=A0</div>
<div>Right now i am stuck trying to write a seemingly simple expression. </=
div>
<div>I want a normal 2d null to &quot;look at&quot; another 2d null and can=
&#39;t figure out=20
what the expression should look like. </div>
<div>LookAt() seems like it is only for 3d layers? and my goto resource for=
=20
quick tips for expressions, Dan Ebberts <a href=3D"http://motionscript.com"=
 target=3D"_blank">motionscript.com</a> doesn&#39;t have anything on=20
something this simple :-)</div>
<div>=A0</div>
<div>=A0</div>Robert Kjettrup / Grafiker / STV Mayday<br>Mobil: 25 18 95=20
16<br>Mail: <a href=3D"mailto:robert@stvmayday.dk" target=3D"_blank">robert=
@stvmayday.dk</a><br></div></div></div></div></div></div>
</blockquote></div><br>

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