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OT: Math - Calculating Anchor Center

Posted by J.Corbett 
OT: Math - Calculating Anchor Center
June 17, 2009 05:22PM
Is the center point of a cube equal to the distance from shape center to its right or left edge.?

so if center to right side is 200 points then to make a cube the anchor point must be off set by 200. This would allow for y or z to be move to create a cube.

""" What you do with what you have, is more important than what you could do, with what you don't have."

> > > Knowledge + Action = Wisdom - J. Corbett 1992
""""
Anonymous User
Re: OT: Math - Calculating Anchor Center
June 17, 2009 07:32PM
Not sure what the point of posting this is J.
Re: OT: Math - Calculating Anchor Center
June 17, 2009 09:49PM
It depends on what the color of the cube is, and what you plan to do inside the cube...



www.strypesinpost.com
Re: OT: Math - Calculating Anchor Center
June 18, 2009 10:55AM
i am using 6 video layers to create a cube. then i am gonna have the cube tumble like dice to fill the screen.
i can use any color as each clip will have a black boarder. Nothing goes inside the cube.

""" What you do with what you have, is more important than what you could do, with what you don't have."

> > > Knowledge + Action = Wisdom - J. Corbett 1992
""""
Re: OT: Math - Calculating Anchor Center
June 18, 2009 10:58AM
[www.rippletraining.com]

Mark Spencer does a great job on this DVD explaining how to make cubes in Motion. There is a TON of other great stuff on working in 3 space there as well.

-Vance
Re: OT: Math - Calculating Anchor Center
June 18, 2009 11:07AM
that the tutorial that i saw. but he gives a value (+/- 283 i think it was) to change the anchor point and doesn't explain where the value came from.

Thats the part i didn't get.

""" What you do with what you have, is more important than what you could do, with what you don't have."

> > > Knowledge + Action = Wisdom - J. Corbett 1992
""""
Re: OT: Math - Calculating Anchor Center
June 18, 2009 11:12AM
You might ask this question in the Motion forum, as Mark hangs out there.
Re: OT: Math - Calculating Anchor Center
June 18, 2009 11:15AM
Set the anchor point to half the width (or height) of your cube. So if you build faces that are 800 px square, your anchor point wants to be 400 px back in Z space. That puts it dead center in the cube.

-V
Re: OT: Math - Calculating Anchor Center
June 18, 2009 11:21AM
Or just by PlaneSpace and get on with your life.

[www.redgiantsoftware.com]

Re: OT: Math - Calculating Anchor Center
June 18, 2009 11:25AM
Just beware:

Host Applications
Red Giant PlaneSpace only supports Adobe After Effects.
Re: OT: Math - Calculating Anchor Center
June 18, 2009 11:27AM
I think my prejudice against Motion is pretty well established here by now. winking smiley I honestly can't imagine why anybody would try doing something like that in anything other than After Effects.

Re: OT: Math - Calculating Anchor Center
June 18, 2009 11:31AM
Oh hell Jeff. I used to build cubes using an ADO and a bunch of 1" machines. I can think of LOTS of applications that can be used to do that. I guess After Effects could work.

We all have our favorite tools, but if you try eating dinner with a hammer I am going switch tables!
Re: OT: Math - Calculating Anchor Center
June 18, 2009 11:33AM
Yes, you could do it using any number of other tools. I'm just saying I don't know why anybody would want to. winking smiley

Re: OT: Math - Calculating Anchor Center
June 18, 2009 11:37AM
I agree that AE might be better for this but i am still raw green in that app. I can probably do it but i am still learning how to remember to turn on overlays for the 3d.
My next project i plan on using AE over motion3 so that i can get into using that as well as i can use motion.

Thanks for the math VPiccin.

""" What you do with what you have, is more important than what you could do, with what you don't have."

> > > Knowledge + Action = Wisdom - J. Corbett 1992
""""
Re: OT: Math - Calculating Anchor Center
July 24, 2009 02:27PM
Well, for doing REAL 3D, you need a real 3D app like
3ds Max, or Maya (both owned by Autodesk)
3ds Max for PC OR BootCamp
Maya Mac only

J.Corbett Wrote:
-------------------------------------------------------
> I agree that AE might be better for this but i am
> still raw green in that app. I can probably do it
> but i am still learning how to remember to turn on
> overlays for the 3d.
> My next project i plan on using AE over motion3 so
> that i can get into using that as well as i can
> use motion.
>
> Thanks for the math VPiccin.
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