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SimianLogic
03-26-2004, 12:09 AM
When I was rigging out my cyclops eye, I couldn't decide if I wanted to use an FK rig with box-slider or target a null. I figured, why not do both? Here's an IK/FK eye rig. The biggest thing was getting the IK to affect the endomorphs (since, as you might know, you can't access IK rotational data with expressions). Let me know what ya think.

IK/FK Eye Rig (http://www.simianlogic3d.com/files/EyeRig.zip)

I'm thinking about writing a tutorial on how to do it if anyone would be interested.
gerardo
03-26-2004, 01:10 AM
Yes, yes, Tutorial!!! :bounce: Tutorial!!!:bounce:

Very nice rig Simianlogic!!!:thumbsup:
I suppose that the method can be used for something more than eyes...
Thanks for sharing!


Gerardo
SplineGod
03-26-2004, 04:04 AM
Actually you can access IK date with expressions using the motion panel expression or using proxy reference objects.
SimianLogic
03-26-2004, 05:24 AM
That's what I'm doing--using a proxy object. I didn't want to use the motion panel expression, though. I like to keep all my expressions together.

Spline--That's easy to say when you know everything =]. For us mere mortals learning fun new tricks is exciting. It may not be something new (as I'm pretty sure everything's been done at some point). If I didn't know the trick, it's possible that others might not have known either.

Here's the tutorial. (http://www.simianlogic3d.com/tut-eyerig.html)
SplineGod
03-26-2004, 05:31 AM
I would like to keep things together but I have just gotten into the habit of just doing what works. The expression engine will hopefully be revamped someday. Prems relativity is a great expression engine that sees IK and is overall more powerful.
I still learn new tricks which is pretty exciting. That new Tips and Tricks book coming out from WordWare will have over 1000 cool ones. :)
SimianLogic
03-26-2004, 05:36 AM
Yeah, I'm looking forward to the book. I'm always amazed at how one little thing can completely change how you think about doing stuff.

I've not heard of Prems relativity. I searched google but couldn't come up with anything useful other than it exists. Could you shed some light?
SplineGod
03-26-2004, 06:12 AM
Definately! Heres prems website:
http://www.premdesign.com/
SimianLogic
03-27-2004, 03:56 AM
The demo has somewhat limited functionality, but I'm not sure even the full version would be worth $200 for a student like me. It is very interesting, though--though I wonder how much can be done in LW's native expression engine.
twidup
03-27-2004, 09:00 PM
Relativity can do a helluva lot more than the native expression system.

IK referencing, self referencing, huge levels of sub expressions. not to mention all the professors that help to write them. And its tied into Surface effectors 2 as well
SplineGod
03-27-2004, 09:44 PM
Theres a few other things that it does that makes it a very cool/powerful expression engine. :)
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