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Generic radar2.nas filtered a possible NaN input.

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This commit is contained in:
Alexis Bory 2011-03-05 21:43:00 +01:00
parent 2230eded19
commit c64e9521e3
1 changed files with 9 additions and 2 deletions
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11
Aircraft/Instruments-3d/radar2/radar2.nas
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@ -555,8 +555,15 @@ var Target = {
get_closure_rate : func() {
var dt = ElapsedSec.getValue() - me.TimeLast.getValue();
var rng = me.Range.getValue();
var t_distance = me.RangeLast.getValue() - rng;
var cr = t_distance/dt*3600;
var lrng = me.RangeLast.getValue();
if ( debug.isnan(rng) or debug.isnan(lrng)) {
print("####### get_closure_rate(): rng or lrng = nan ########");
me.ClosureRate.setValue(0);
me.RangeLast.setValue(0);
return(0);
}
var t_distance = lrng - rng;
var cr = (dt > 0) ? t_distance/dt*3600 : 0;
me.ClosureRate.setValue(cr);
me.RangeLast.setValue(rng);
return(cr);