On 5/14/07, syd & sandy wrote:
Hi all,
I use the property "sim/time/elapsed-sec" in the S76C to calculate fuel
flow as there is no helicopter engine yet ... and noticed a very
inconsistant behavior... dont know if its related to the 'framerate
hesitation' problem ... but would like to know if anyone else sees the
'un-smooth' output of this proerty... or is it just my setup ?
Its the same with both PLIB and OSG versions .
I didn't see anyone reply so I thought I'd throw in my quick 0.02 ...
Not having checked this, I would think that if you are getting consistent
frame rates, the value of /sim/time/elapsed-sec should also be consistent,
and visa versa. Unless there is something numerically odd going on and [for
instance] it's updated by 0.0 seconds on one frame and then for the next
frame it's updated by the time elapsed for the past 2 frames, repeat.
Something similar to this was causing severe (but consistent) jitter with AI
planes in the 0.9.10 version of FlightGear.
Curt.
--
Curtis Olson - University of Minnesota - FlightGear Project
http://baron.flightgear.org/~curt/ http://www.humanfirst.umn.edu/
http://www.flightgear.org
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