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  Unintented ghosting  (Read 1129 times)
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Offline gordonm

Junior Newbie

« Posted 2003-11-17 18:04:08 »

I am using a RotPosPathInterpolator to animate the movement of a Shape3D. Everything is looking good and the shape is moving smoothly as the viewer orbits the shape. However, when I pause() the alpha and then resume() it, sometimes I get into a state where the shape appears to be ghosting in 2 locations along the path of movement. I've tried several things, including disabling the interpolator before the pause and re-enabling it after the resume. That seems to make the problem happen less, but does not eliminate it every time. Once the ghosting problem happens, it persists until I restart the application.

Does anyone have any ideas of what might be causing this, or what I can do to fix it, or at least work around it?
Offline cfmdobbie

Senior Devvie

Medals: 1

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« Reply #1 - Posted 2003-11-17 19:28:22 »

As it's something that's hard to visualise, can you post a screenshot please?

Hellomynameis Charlie Dobbie.
Offline gordonm

Junior Newbie

« Reply #2 - Posted 2003-11-17 20:03:44 »

I can't get it with a single screenshot because the shape (e.g. aircraft) is only in one place on any given frame.  I did capture a brief .avi though showing the problem, but I don't know how to post a .avi file.  How would I post an .avi movie?
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Offline gordonm

Junior Newbie

« Reply #3 - Posted 2004-01-15 15:32:41 »

Found a fix that works.  Just wanted to close the thread with the solution.  When I call the setSchedulingInterval(0) method of the interpolator behavior, the jitter or ghosting of the moving objects after a pause/resume is now gone.  
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