X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FFDM%2FBalloon.cxx;h=211b7c6acf3747d06595175793943bf0062a988f;hb=ae1028b795c3a492844af468b574db8b18e97f98;hp=e5b2b619a0497040cb8ca312e1558f7c5b9ff876;hpb=1294aed4650ec2aacef27a7fdeb2f4e012516ca0;p=flightgear.git

diff --git a/src/FDM/Balloon.cxx b/src/FDM/Balloon.cxx
index e5b2b619a..211b7c6ac 100644
--- a/src/FDM/Balloon.cxx
+++ b/src/FDM/Balloon.cxx
@@ -47,7 +47,7 @@ HISTORY
 
 #include <simgear/constants.h>
 #include <simgear/debug/logstream.hxx>
-#include <simgear/math/fg_geodesy.hxx>
+#include <simgear/math/sg_geodesy.hxx>
 #include <simgear/misc/fgpath.hxx>
 
 #include <Aircraft/aircraft.hxx>
@@ -63,7 +63,7 @@ HISTORY
 
 // Initialize the BalloonSim flight model, dt is the time increment for
 // each subsequent iteration through the EOM
-int FGBalloonSim::init( double dt ) {
+bool FGBalloonSim::init( double dt ) {
     sgVec3 temp;
 
     FG_LOG( FG_FLIGHT, FG_INFO, "Starting initializing BalloonSim" );
@@ -96,12 +96,12 @@ int FGBalloonSim::init( double dt ) {
 
     FG_LOG( FG_FLIGHT, FG_INFO, "Finished initializing BalloonSim" );
 
-    return 1;
+    return true;
 }
 
 
 // Run an iteration of the EOM (equations of motion)
-int FGBalloonSim::update( int multiloop ) {
+bool FGBalloonSim::update( int multiloop ) {
     double save_alt = 0.0;
 
     // lets try to avoid really screwing up the BalloonSim model
@@ -151,18 +151,18 @@ int FGBalloonSim::update( int multiloop ) {
 	set_Altitude( save_alt );
     }
 
-    return 1;
+    return true;
 }
 
 
 // Convert from the FGInterface struct to the BalloonSim
-int FGBalloonSim::copy_to_BalloonSim() {
-    return 1;
+bool FGBalloonSim::copy_to_BalloonSim() {
+    return true;
 }
 
 
 // Convert from the BalloonSim to the FGInterface struct
-int FGBalloonSim::copy_from_BalloonSim() {
+bool FGBalloonSim::copy_from_BalloonSim() {
 
     sgVec3 temp;
 
@@ -181,9 +181,9 @@ int FGBalloonSim::copy_from_BalloonSim() {
     double alt	    = temp[2] * METER_TO_FEET;
 
     double lat_geod, tmp_alt, sl_radius1, sl_radius2, tmp_lat_geoc;
-    fgGeocToGeod( lat_geoc, EQUATORIAL_RADIUS_M + alt * FEET_TO_METER,
+    sgGeocToGeod( lat_geoc, EQUATORIAL_RADIUS_M + alt * FEET_TO_METER,
 		  &lat_geod, &tmp_alt, &sl_radius1 );
-    fgGeodToGeoc( lat_geod, alt * FEET_TO_METER, &sl_radius2, &tmp_lat_geoc );
+    sgGeodToGeoc( lat_geod, alt * FEET_TO_METER, &sl_radius2, &tmp_lat_geoc );
 
     FG_LOG( FG_FLIGHT, FG_DEBUG, "lon = " << lon << " lat_geod = " << lat_geod
 	    << " lat_geoc = " << lat_geoc
@@ -198,7 +198,7 @@ int FGBalloonSim::copy_from_BalloonSim() {
 
     current_balloon.getHPR( temp );
     set_Euler_Angles( temp[0], temp[1], temp[2] );
-
+    set_Euler_Rates(0,0,0);
 
     set_Alpha( 0.0/*FDMExec.GetTranslation()->Getalpha()*/ );
     set_Beta( 0.0/*FDMExec.GetTranslation()->Getbeta()*/ );
@@ -213,7 +213,7 @@ int FGBalloonSim::copy_from_BalloonSim() {
     set_sin_cos_longitude( lon );
     set_sin_cos_latitude( lat_geod );
 
-    return 0;
+    return true;
 }