+inline void FGAIBase::calcRangeBearing(double lat, double lon, double lat2, double lon2,
+ double &range, double &bearing) const
+{
+ // calculate the bearing and range of the second pos from the first
+ double az2, distance;
+ geo_inverse_wgs_84(lat, lon, lat2, lon2, &bearing, &az2, &distance);
+ range = distance * SG_METER_TO_NM;
+}
+
+inline double FGAIBase::calcRelBearingDeg(double bearing, double heading){
+ double angle = bearing - heading;
+ SG_NORMALIZE_RANGE(angle, -180.0, 180.0);
+ return angle;
+}
+
+inline double FGAIBase::calcTrueBearingDeg(double bearing, double heading){
+ double angle = bearing + heading;
+ SG_NORMALIZE_RANGE(angle, 0.0, 360.0);
+ return angle;
+}
+
+inline double FGAIBase::calcRecipBearingDeg(double bearing){
+ double angle = bearing - 180;
+ SG_NORMALIZE_RANGE(angle, 0.0, 360.0);
+ return angle;
+}
+
+inline void FGAIBase::setMaxSpeed(double m) {
+ _max_speed = m;
+}
+