X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FInstrumentation%2Fvertical_speed_indicator.cxx;h=1ad62253b61a29ffff7d6aec4b940ef5a6e44ffe;hb=a6de24461e797871d3c841f045343b05929378fb;hp=e5c9f743274e9671c0674ab52ce3a3d3de218930;hpb=5d7b9ec1f10d03a284228ce82547d06bc7e52b76;p=flightgear.git

diff --git a/src/Instrumentation/vertical_speed_indicator.cxx b/src/Instrumentation/vertical_speed_indicator.cxx
index e5c9f7432..1ad62253b 100644
--- a/src/Instrumentation/vertical_speed_indicator.cxx
+++ b/src/Instrumentation/vertical_speed_indicator.cxx
@@ -9,6 +9,7 @@
 #include <Main/fg_props.hxx>
 #include <Main/util.hxx>
 
+using std::string;
 
 VerticalSpeedIndicator::VerticalSpeedIndicator ( SGPropertyNode *node )
     : _internal_pressure_inhg(29.92),
@@ -32,6 +33,7 @@ VerticalSpeedIndicator::init ()
     _serviceable_node = node->getChild("serviceable", 0, true);
     _pressure_node = fgGetNode(_static_pressure.c_str(), true);
     _speed_node = node->getChild("indicated-speed-fpm", 0, true);
+    _speed_up_node = fgGetNode("/sim/speed-up", true);
 
                                 // Initialize at ambient pressure
     _internal_pressure_inhg = _pressure_node->getDoubleValue();
@@ -44,6 +46,9 @@ VerticalSpeedIndicator::update (double dt)
                                 // from 10000 to 10500 for manual factor
     if (_serviceable_node->getBoolValue()) {
         double pressure = _pressure_node->getDoubleValue();
+        double speed_up = _speed_up_node->getDoubleValue();
+        if( speed_up > 1 )
+            dt *= speed_up;
         _speed_node
             ->setDoubleValue((_internal_pressure_inhg - pressure) * 10500);
         _internal_pressure_inhg =