[X3D-Public] chaining TimeSensors, TimeSensor cycleTime, and end-of-cycle event?

[Paul Aslin]

Doing things the hard way again huh ?

ROUTE Timer1.stopTime to Timer2.startTime

--- On Wed, 14/10/09, Don Brutzman <brutzman at nps.edu> wrote:

> From: Don Brutzman <brutzman at nps.edu>
> Subject: [X3D-Public] chaining TimeSensors, TimeSensor cycleTime, and end-of-cycle event?
> To: "X3D Graphics public mailing list" <x3d-public at web3d.org>
> Received: Wednesday, 14 October, 2009, 5:27 AM
> A common animation task is to start a
> second TimeSensor clock after
> a first TimeSensor clock finishes.
> 
> A hopefully easy way to do this would be to chain
> TimeSensors together,
> in other words, have the completion of one interval ROUTEd
> to trigger
> the start of the second clock.  This is particularly
> important for
> single-shot clock animations.
> 
> the TimeSensor cycleTime field indicates the beginning of a
> new loop.
> This is not the same as end of loop, which is what is
> needed for this
> functionality.
> 
> So don't authors need an end-of-cycle event for TimeSensor
> in X3D?
> 
> Should we add a cycleComplete (or somesuch) field to
> TimeSensor?
> 
> p.s. we have come up with a prototype to deal with this
> missing functionality.
> It's called TimeDelaySensor and works well.  But I'd
> think that adding
> prototypes is a bit involved for such a common task,
> particularly if you
> want to do it using lightweight/mobile Interactive
> profile.
> 
>     https://savage.nps.edu/Savage/Tools/Animation/
>     Time Delay Sensor Example
>     Time Delay Sensor Prototype
> 
> What do other scene authors think?  Thanks for
> considering this question.
> 
> all the best, Don
> -- Don Brutzman  Naval Postgraduate School, Code
> USW/Br           brutzman at nps.edu
> Watkins 270   MOVES Institute, Monterey CA
> 93943-5000 USA  work +1.831.656.2149
> X3D, virtual worlds, underwater robots, XMSF  http://web.nps.navy.mil/~brutzman
> 
> 
> 
> 
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