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now that there is a true track property, the magnetic track is nice to have, too.

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torsten 2010-01-03 09:49:28 +00:00 • committed by Tim Moore
parent 690395354f
commit 78d8e7edfd
1 changed files with 14 additions and 0 deletions
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14
src/Main/fg_props.cxx
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@ -349,6 +349,18 @@ getHeadingMag ()
return magheading; return magheading;
} }
/**
* Return the current track in degrees.
*/
static double
getTrackMag ()
{
double magtrack;
magtrack = current_aircraft.fdm_state->get_Track() - getMagVar();
if (magtrack < 0) magtrack += 360;
return magtrack;
}
static long static long
getWarp () getWarp ()
{ {
@ -508,6 +520,7 @@ FGProperties::bind ()
// Orientation // Orientation
fgTie("/orientation/heading-magnetic-deg", getHeadingMag); fgTie("/orientation/heading-magnetic-deg", getHeadingMag);
fgTie("/orientation/track-magnetic-deg", getTrackMag);
fgTie("/environment/magnetic-variation-deg", getMagVar); fgTie("/environment/magnetic-variation-deg", getMagVar);
fgTie("/environment/magnetic-dip-deg", getMagDip); fgTie("/environment/magnetic-dip-deg", getMagDip);
@ -537,6 +550,7 @@ FGProperties::unbind ()
// Orientation // Orientation
fgUntie("/orientation/heading-magnetic-deg"); fgUntie("/orientation/heading-magnetic-deg");
fgUntie("/orientation/track-magnetic-deg");
// Environment // Environment
fgUntie("/environment/magnetic-variation-deg"); fgUntie("/environment/magnetic-variation-deg");