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Fix NaNs in TACAN::update

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This commit is contained in:
Csaba Halasz 2009-10-25 15:11:20 +01:00 • committed by Tim Moore
parent de7a6b5e01
commit 41752bab57
1 changed files with 4 additions and 1 deletions
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5
src/Instrumentation/tacan.cxx
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@ -127,6 +127,9 @@ TACAN::init ()
void void
TACAN::update (double delta_time_sec) TACAN::update (double delta_time_sec)
{ {
// don't do anything when paused
if (delta_time_sec == 0) return;
if (!_serviceable_node->getBoolValue() || !_electrical_node->getBoolValue()) { if (!_serviceable_node->getBoolValue() || !_electrical_node->getBoolValue()) {
_last_distance_nm = 0; _last_distance_nm = 0;
_in_range_node->setBoolValue(false); _in_range_node->setBoolValue(false);
@ -237,7 +240,7 @@ TACAN::update (double delta_time_sec)
} }
_distance_node->setDoubleValue( tmp_dist ); _distance_node->setDoubleValue( tmp_dist );
_speed_node->setDoubleValue(speed_kt); _speed_node->setDoubleValue(speed_kt);
_time_node->setDoubleValue(distance_nm/speed_kt*60.0); _time_node->setDoubleValue(speed_kt > 0 ? (distance_nm/speed_kt*60.0) : 0);
_bearing_node->setDoubleValue(bearing); _bearing_node->setDoubleValue(bearing);
_x_shift_node->setDoubleValue(x_shift); _x_shift_node->setDoubleValue(x_shift);
_y_shift_node->setDoubleValue(y_shift); _y_shift_node->setDoubleValue(y_shift);