Re: Position of object changing

New Message Reply Date view Thread view Subject view Author view

Kevin A. Pilch (kpilch++at++sim6.dciem.dnd.ca)
Tue, 30 Jun 1998 13:01:21 -0400 (EDT)


> > Our problem is that sometimes the ship seems to jitter, moving as much as
> > 0.5 meters each frame. However the matrix that we
> > send to Performer when we set the ship's DCS seem to be fine. It is not
> > the whole scene that is moving, just the ship model.
>
> This could be the result of using very large (6 digits or more )
> coordinates. Since Performer and GL are using floats, you can lose
> resolution of you coordinates if they are large enough.

Unfortunetely this is not the problem, the ship only moves from the
origin to a position about 2500 meters away

>~~~~~~~~~~~~~~~~~~~~
"Man has made many machines, complex and cunning,
but which of them indeed rivals the workings of his heart?"
     -Pablo Casals
>~~~~~~~~~~~~~~~~~~~~

Kevin Pilch

http://www.eng.uwaterloo.ca/student/kapilch/
kapilch++at++uwaterloo.ca
kpilch++at++dciem.dnd.ca
=======================================================================
List Archives, FAQ, FTP: http://www.sgi.com/Technology/Performer/
            Submissions: info-performer++at++sgi.com
        Admin. requests: info-performer-request++at++sgi.com


New Message Reply Date view Thread view Subject view Author view

This archive was generated by hypermail 2.0b2 on Mon Aug 10 1998 - 17:57:36 PDT

This message has been cleansed for anti-spam protection. Replace '++at++' in any mail addresses with the '@' symbol.