RE: [Algorithms] Transform interpolation.

[Charles B. <cb...@cb...>]

Lord, that paper is total garbage.  Casey Muratori and Jon Blow and I
worked on a rebuttal to that paper for a while, but sort of lost focus
on it.

At 09:55 AM 11/6/2002 -0800, Johnson, James wrote:

>IIRC, there was a paper at this years SIGGRAPH that performed linear
>transform interpolation on 4x4 matrices. That's where I'd start.
>
>James
>
>-----Original Message-----
>From: phi...@pl...
>[mailto:phi...@pl...]
>Sent: Tuesday, November 05, 2002 7:16 PM
>To: gda...@li...
>Subject: [Algorithms] Transform interpolation.
>
>
>
>I have a trail system that  drops a hoop of vertices every frame, and
>tristrips them to the previous fames hoop. The problem I have is that some
>of the animations move so fast that the trail no longer looks smooth, but
>bends back sharply on itself.
>
>I thought about maintaining a spline for each hoop vertex, but all the
>usefull splines need a point one timeslice in the future, which I don't
>have. I guess I could curve fit to the older points, predict the t+1 point,
>and use that for the spline, but that feels somewhat redundant.
>
>Alternatively, does anyone have any thought on a good way of interpolating
>the object-world transform that get's applied to the hoops?
>
>Cheers,
>Phil
>
>
>
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----------------------------------------------------
Charles Bloom    cb...@cb...    www.cbloom.com