Return-Path: Received: from asbnvacz-mailrelay01.megapath.net ([207.145.128.243] verified) by media-motion.tv (CommuniGate Pro SMTP 4.2.10) with ESMTP id 4785340 for AE-List@media-motion.tv; Wed, 25 Jul 2012 00:44:13 +0200 Received: from mail3.sea5.speakeasy.net (mail3.sea5.speakeasy.net [69.17.117.42]) by asbnvacz-mailrelay01.megapath.net (Postfix) with ESMTP id BC206A71299 for ; Tue, 24 Jul 2012 18:48:12 -0400 (EDT) Received: (qmail 14750 invoked from network); 24 Jul 2012 22:48:12 -0000 Received: by simscan 1.4.0 ppid: 26755, pid: 7205, t: 0.3213s scanners: clamav: 0.88.2/m:52/d:10739 spam: 3.0.4 Received: from c-67-185-28-214.hsd1.wa.comcast.net (HELO jamess-mac-pro.hsd1.wa.comcast.net) (albion@[67.185.28.214]) (envelope-sender ) by mail3.sea5.speakeasy.net (qmail-ldap-1.03) with SMTP for ; 24 Jul 2012 22:48:11 -0000 From: James Culbertson Mime-Version: 1.0 (Apple Message framework v1278) Content-Type: multipart/alternative; boundary="Apple-Mail=_028BAB1B-7D7C-4052-9704-815142F5F35B" Subject: Re: [AE] orient rotating parented layer to viewer? Date: Tue, 24 Jul 2012 15:48:05 -0700 In-Reply-To: To: "After Effects Mail List" References: Message-Id: X-Mailer: Apple Mail (2.1278) X-Spam-Checker-Version: SpamAssassin 3.0.4 (2005-06-05) on mail3.sea5 X-Spam-Level: X-Spam-Status: No, score=0.0 required=8.0 tests=HTML_MESSAGE autolearn=disabled version=3.0.4 --Apple-Mail=_028BAB1B-7D7C-4052-9704-815142F5F35B Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii Is there an expression for that? Thanks, James On Jul 24, 2012, at 3:44 PM, Karl Newman wrote: > On Jul 24, 2012, at 5:16 PM, James Culbertson wrote: >=20 >> I have 4 layers rotating about a null on a circular path in 3D space. = The 4 layers are parented to the null. How do I keep the layers y = rotation facing the viewer (locked to y=3D0) even while following the = circular path in every other way? Expression? >=20 > One way would be to have the layers rotating in the opposite direction = of the null so that the nulls rotation and the layers rotations cancel = out. >=20 >=20 > Karl Newman > Karl Newman Productions >=20 > kwnewman@verizon.net >=20 >=20 >=20 >=20 --Apple-Mail=_028BAB1B-7D7C-4052-9704-815142F5F35B Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=us-ascii
On Jul 24, = 2012, at 5:16 PM, James Culbertson wrote:

I have 4 = layers rotating about a null on a circular path in 3D space. The 4 = layers are parented to the null. How do I keep the layers y rotation = facing the viewer (locked to y=3D0) even while following the circular = path in every other way? = Expression?

One way would be to = have the layers rotating in the opposite direction of the null so that = the nulls rotation and the layers rotations cancel = out.


Karl Newman
Karl Newman = Productions





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