 | | | Re: Rolling A Die | Re: Rolling A Die 2004-02-11 - By David Bell
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I would do this with keyframing and ease in and ease out, not motion path...
.and I would give the spin modifier a try...
The important thing to remember is that you are trying for a convincing
illusion, not reality ... so look at what the eye and the brain perceives and
let that be your guide.
Speaking of guide, make a curve out of geometry, or with a series of cones,
that mark your trajectory (and delete or make them invisible later) then use
them as a guide.
Yours,
David
__ ____ ____
Nordwind53@(protected)
David E. Bell
__ ____ ____
-- -- Original Message -- --
From: jkyoutsey
To: Carrara@(protected)
Sent: Wednesday, February 11, 2004 6:10 PM
Subject: [Carrara] Re: Rolling A Die
Thanks for the quick response!
So in the X,Y, and Z groups would you use the spin modifier? Seems
like it would be impossible to get a consistently slowing rotation
without it.
Now to figure out the crazy motion path stuff...
--- In Carrara@(protected), "David Bell" <nordwind53@(protected)> wrote:
> The way I would approach this would be to animate, rather than to
use physics .... and I would build a series of groups with the die
at the heart of this hierarchy.
>
> The outer group would animate the path of the die
> The next layer would animate the Rotation in X
> The next layer would animate the Rotation in Y
> The next layer would animate the randomness
> the inner most layer would be the die (this also allows you to
substitute in another die without rework.
>
> Then I would composite the result into the final image and that is
another story.
>
> Breaking things down into simple parts, and isolating the
animation from the object go a long ways to retaining sanity.
>
> Hope this makes sense and is of help.
>
> Yours,
> David
> __ ____ ____
>
> Nordwind53@(protected)
> David E. Bell
> __ ____ ____
>
> -- -- Original Message -- --
> From: jkyoutsey
> To: Carrara@(protected)
> Sent: Wednesday, February 11, 2004 5:36 PM
> Subject: [Carrara] Rolling A Die
>
>
> I've tried a variety of solutions for rolling a die on a table.
I
> want it to travel in the Y, bouncing on a table until it stops.
> I've tried directional forces. I've tried spin modifiers. I
can't
> seem to figure out how to get the die to spin realistically and
> interact with the table.
>
> With directional forces for gravity the dang thing always ends
up
> floating around in funny ways.
>
> So:
> Issue 1) How do I get the die to spin realistically (multiple
axes)
> as if spun off of a hand.
> Issue 2) How to have it then bounce realistically off the table
(one
> or two times).
> Issue 3) How to realistically portray gravity.
>
> Oddly enough, getting the die to land on the number I want will
be
> the easy part!
>
>
>
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>
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