pfSequences Stop Working.....

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Hillel Steinberg (zeus++at++cs.UMD.EDU)
Mon, 14 Nov 1994 21:01:28 -0500

I have spent a long time trying to find out what the problem is with my
sequences, maybe you can help. I am using Performer 1.2 and have objects
in the scene (groups of nodes), some of which are sequences. All my
sequences are set to cycle infinitely through a series of rectangles with
textures - i.e. an explosion and whatnot. This works most of the time,
usually, but not always. The symptom during a run of my application
is that somtimes ALL sequences in the scene suddenly stop working - i.e.,
the sequence cycling stops on a particular frame. Sometimes it starts again -
I don't see what triggers this.

There is supposed to be a bug in 1.0 or somthing that says that intersections
can stop sequences accidently - but I am using Performer 1.2. Anybody
seen this yet, or have an idea as to what triggers the sequences to stop?
I am doing intersections.

One point to note. Sometimes I put the same sequence into the scene under
two different groups. This seems to work, i.e. the same explosion may
appear in the scene in two places simultaneously as ONE sequence under
two groups. Could I screw things up if the same sequence shows up in
the scene twice - does Performer get messed up trying to keep track of
which frame the sequence is in? Most of the time this seems to work.
It shouldn't be this difficult because I am working all under ONE process,

                                - Hillel

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