Fix bug #253, at least partially
make options --wind=nnn@mm --visibility --visibility-miles --ceiling --turbulence work again. These options now write properties in the /environment/config/presets branch. The values will be applied in the property-rules in FGDATA/Environment/interpolator.xml
This commit is contained in:
Torsten Dreyer
parent
bd60cd21e7
commit
e86cecf470
11 changed files with 317 additions and 128 deletions
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@ -3413,6 +3413,14 @@
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RelativePath="..\..\..\src\Environment\terrainsampler.hxx"
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>
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</File>
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<File
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RelativePath="..\..\..\src\Environment\presets.cxx"
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>
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</File>
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<File
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RelativePath="..\..\..\src\Environment\presets.hxx"
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>
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</File>
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</Filter>
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<Filter
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Name="Lib_Model"
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@ -15,6 +15,7 @@ set(SOURCES
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realwx_ctrl.cxx
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ridge_lift.cxx
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terrainsampler.cxx
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presets.cxx
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)
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flightgear_component(Environment "${SOURCES}")
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@ -16,6 +16,7 @@ libEnvironment_a_SOURCES = \
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precipitation_mgr.cxx precipitation_mgr.hxx \
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ridge_lift.cxx ridge_lift.hxx \
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ephemeris.cxx ephemeris.hxx \
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terrainsampler.cxx terrainsampler.cxx
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terrainsampler.cxx terrainsampler.cxx \
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presets.cxx presets.cxx
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INCLUDES = -I$(top_srcdir) -I$(top_srcdir)/src
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@ -158,10 +158,10 @@ MetarProperties::MetarProperties( SGPropertyNode_ptr rootNode ) :
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_tiedProperties.Tie("max-visibility-m", &_max_visibility );
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_tiedProperties.Tie("base-wind-range-from", &_base_wind_range_from );
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_tiedProperties.Tie("base-wind-range-to", &_base_wind_range_to );
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_tiedProperties.Tie("base-wind-speed-kt", &_wind_speed );
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_tiedProperties.Tie("base-wind-dir-deg", &_base_wind_dir );
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_tiedProperties.Tie("base-wind-from-north-fps", &_wind_from_north_fps );
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_tiedProperties.Tie("base-wind-from-east-fps", &_wind_from_east_fps );
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_tiedProperties.Tie("base-wind-speed-kt", this, &MetarProperties::get_wind_speed, &MetarProperties::set_wind_speed );
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_tiedProperties.Tie("base-wind-dir-deg", this, &MetarProperties::get_base_wind_dir, &MetarProperties::set_base_wind_dir );
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_tiedProperties.Tie("base-wind-from-north-fps", this, &MetarProperties::get_wind_from_north_fps, &MetarProperties::set_wind_from_north_fps );
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_tiedProperties.Tie("base-wind-from-east-fps",this, &MetarProperties::get_wind_from_east_fps, &MetarProperties::set_wind_from_east_fps );
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_tiedProperties.Tie("gust-wind-speed-kt", &_gusts );
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_tiedProperties.Tie("temperature-degc", &_temperature );
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_tiedProperties.Tie("dewpoint-degc", &_dewpoint );
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@ -218,14 +218,11 @@ void MetarProperties::set_metar( const char * metar )
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vis->setDoubleValue("max-m", v);
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}
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_base_wind_dir = m->getWindDir();
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set_base_wind_dir(m->getWindDir());
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_base_wind_range_from = m->getWindRangeFrom();
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_base_wind_range_to = m->getWindRangeTo();
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_wind_speed = m->getWindSpeed_kt();
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set_wind_speed(m->getWindSpeed_kt());
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double speed_fps = _wind_speed * SG_NM_TO_METER * SG_METER_TO_FEET / 3600.0;
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_wind_from_north_fps = speed_fps * cos((double)_base_wind_dir * SGD_DEGREES_TO_RADIANS);
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_wind_from_east_fps = speed_fps * sin((double)_base_wind_dir * SGD_DEGREES_TO_RADIANS);
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_gusts = m->getGustSpeed_kt();
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_temperature = m->getTemperature_C();
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_dewpoint = m->getDewpoint_C();
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@ -408,4 +405,43 @@ double MetarProperties::get_magnetic_dip_deg() const
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return _magneticVariation->get_dip_deg( _station_longitude, _station_latitude, _station_elevation );
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}
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static inline void calc_wind_hs( double north_fps, double east_fps, int & heading_deg, double & speed_kt )
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{
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speed_kt = sqrt((north_fps)*(north_fps)+(east_fps)*(east_fps)) * 3600.0 / (SG_NM_TO_METER * SG_METER_TO_FEET);
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heading_deg = SGMiscd::roundToInt(
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SGMiscd::normalizeAngle2( atan2( east_fps, north_fps ) ) * SGD_RADIANS_TO_DEGREES );
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}
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void MetarProperties::set_wind_from_north_fps( double value )
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{
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_wind_from_north_fps = value;
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calc_wind_hs( _wind_from_north_fps, _wind_from_east_fps, _base_wind_dir, _wind_speed );
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}
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void MetarProperties::set_wind_from_east_fps( double value )
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{
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_wind_from_east_fps = value;
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calc_wind_hs( _wind_from_north_fps, _wind_from_east_fps, _base_wind_dir, _wind_speed );
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}
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static inline void calc_wind_ne( double heading_deg, double speed_kt, double & north_fps, double & east_fps )
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{
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double speed_fps = speed_kt * SG_NM_TO_METER * SG_METER_TO_FEET / 3600.0;
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north_fps = speed_fps * cos(heading_deg * SGD_DEGREES_TO_RADIANS);
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east_fps = speed_fps * sin(heading_deg * SGD_DEGREES_TO_RADIANS);
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}
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void MetarProperties::set_base_wind_dir( double value )
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{
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_base_wind_dir = value;
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calc_wind_ne( (double)_base_wind_dir, _wind_speed, _wind_from_north_fps, _wind_from_east_fps );
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}
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void MetarProperties::set_wind_speed( double value )
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{
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_wind_speed = value;
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calc_wind_ne( (double)_base_wind_dir, _wind_speed, _wind_from_north_fps, _wind_from_east_fps );
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}
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} // namespace Environment
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@ -51,6 +51,14 @@ private:
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const char * get_decoded() const { return _decoded.c_str(); }
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double get_magnetic_variation_deg() const;
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double get_magnetic_dip_deg() const;
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double get_wind_from_north_fps() const { return _wind_from_north_fps; }
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double get_wind_from_east_fps() const { return _wind_from_east_fps; }
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double get_base_wind_dir() const { return _base_wind_dir; }
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double get_wind_speed() const { return _wind_speed; }
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void set_wind_from_north_fps( double value );
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void set_wind_from_east_fps( double value );
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void set_base_wind_dir( double value );
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void set_wind_speed( double value );
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SGPropertyNode_ptr _rootNode;
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SGPropertyNode_ptr _metarValidNode;
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132
src/Environment/presets.cxx
Executable file
132
src/Environment/presets.cxx
Executable file
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@ -0,0 +1,132 @@
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// presets.cxx -- Wrap environment presets
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//
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// Written by Torsten Dreyer, January 2011
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//
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// Copyright (C) 2010 Torsten Dreyer Torsten(at)t3r(dot)de
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "presets.hxx"
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#include <simgear/math/SGMisc.hxx>
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#include <Main/fg_props.hxx>
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namespace Environment {
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namespace Presets {
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PresetBase::PresetBase( const char * overrideNodePath )
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: _overrideNodePath( overrideNodePath )
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{
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}
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void PresetBase::setOverride( bool value )
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{
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/*
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Don't initialize node in constructor because the class is used as a singleton
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and created as a static variable in the initialization sequence when globals()
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is not yet initialized and returns null.
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*/
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if( _overrideNode == NULL )
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_overrideNode = fgGetNode( _overrideNodePath.c_str(), true );
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_overrideNode->setBoolValue( value );
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}
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Wind::Wind() :
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PresetBase("/environment/config/presets/wind-override")
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{
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}
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void Wind::preset( double min_hdg, double max_hdg, double speed_kt, double gust_kt )
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{
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// see: PresetBase::setOverride()
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//TODO: handle variable wind and gusts
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if( _fromNorthNode == NULL )
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_fromNorthNode = fgGetNode("/environment/config/presets/wind-from-north-fps", true );
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if( _fromEastNode == NULL )
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_fromEastNode = fgGetNode("/environment/config/presets/wind-from-east-fps", true );
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double avgHeading_rad =
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SGMiscd::normalizeAngle2(
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(SGMiscd::normalizeAngle(min_hdg*SG_DEGREES_TO_RADIANS) +
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SGMiscd::normalizeAngle(max_hdg*SG_DEGREES_TO_RADIANS))/2);
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double speed_fps = speed_kt * SG_NM_TO_METER * SG_METER_TO_FEET / 3600.0;
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_fromNorthNode->setDoubleValue( speed_fps * cos(avgHeading_rad) );
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_fromEastNode->setDoubleValue( speed_fps * sin(avgHeading_rad) );
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setOverride( true );
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}
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Visibility::Visibility() :
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PresetBase("/environment/config/presets/visibility-m-override")
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{
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}
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void Visibility::preset( double visibility_m )
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{
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// see: PresetBase::setOverride()
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if( _visibilityNode == NULL )
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_visibilityNode = fgGetNode("/environment/config/presets/visibility-m", true );
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_visibilityNode->setDoubleValue(visibility_m );
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setOverride( true );
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}
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Turbulence::Turbulence() :
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PresetBase("/environment/config/presets/turbulence-magnitude-norm-override")
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{
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}
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void Turbulence::preset(double magnitude_norm)
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{
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// see: PresetBase::setOverride()
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if( _magnitudeNode == NULL )
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_magnitudeNode = fgGetNode("/environment/config/presets/turbulence-magnitude-norm", true );
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_magnitudeNode->setDoubleValue( magnitude_norm );
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setOverride( true );
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}
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Ceiling::Ceiling() :
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PresetBase("/environment/config/presets/ceiling-override")
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{
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}
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void Ceiling::preset( double elevation, double thickness )
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{
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// see: PresetBase::setOverride()
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if( _elevationNode == NULL )
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_elevationNode = fgGetNode("/environment/config/presets/ceiling-elevation-ft", true);
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if( _thicknessNode == NULL )
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_thicknessNode = fgGetNode("/environment/config/presets/ceiling-elevation-ft", true);
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_elevationNode->setDoubleValue( elevation );
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_thicknessNode->setDoubleValue( thickness );
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setOverride( true );
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}
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} // namespace Presets
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} // namespace Environment
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94
src/Environment/presets.hxx
Executable file
94
src/Environment/presets.hxx
Executable file
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@ -0,0 +1,94 @@
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// presets.hxx -- Wrap environment presets
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//
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// Written by Torsten Dreyer, January 2011
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//
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// Copyright (C) 2010 Torsten Dreyer Torsten(at)t3r(dot)de
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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#ifndef __ENVIRONMENT_PRESETS_HXX
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#define __ENVIRONMENT_PRESETS_HXX
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#include <simgear/structure/Singleton.hxx>
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#include <simgear/props/props.hxx>
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namespace Environment {
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/**
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* @brief A wrapper for presets of environment properties
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* mainly set from the command line with --wind=270@10,
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* visibility=1600 etc.
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*/
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namespace Presets {
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class PresetBase {
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public:
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PresetBase( const char * overrideNodePath );
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virtual void disablePreset() { setOverride(false); }
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protected:
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void setOverride( bool value );
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private:
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std::string _overrideNodePath;
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SGPropertyNode_ptr _overrideNode;
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};
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class Ceiling : public PresetBase {
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public:
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Ceiling();
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void preset( double elevation, double thickness );
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private:
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SGPropertyNode_ptr _elevationNode;
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SGPropertyNode_ptr _thicknessNode;
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};
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typedef simgear::Singleton<Ceiling> CeilingSingleton;
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class Turbulence : public PresetBase {
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public:
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Turbulence();
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void preset( double magnitude_norm );
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private:
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SGPropertyNode_ptr _magnitudeNode;
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};
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typedef simgear::Singleton<Turbulence> TurbulenceSingleton;
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class Wind : public PresetBase {
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public:
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Wind();
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void preset( double min_hdg, double max_hdg, double speed, double gust );
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private:
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SGPropertyNode_ptr _fromNorthNode;
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SGPropertyNode_ptr _fromEastNode;
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};
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typedef simgear::Singleton<Wind> WindSingleton;
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class Visibility : public PresetBase {
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public:
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Visibility();
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void preset( double visibility_m );
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private:
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SGPropertyNode_ptr _visibilityNode;
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};
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typedef simgear::Singleton<Visibility> VisibilitySingleton;
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} // namespace Presets
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} // namespace Environment
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#endif //__ENVIRONMENT_PRESETS_HXX
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@ -25,7 +25,6 @@
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#include <Cockpit/panel.hxx>
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#include <Cockpit/panel_io.hxx>
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#include <Environment/environment.hxx>
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#include <FDM/flight.hxx>
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#include <GUI/gui.h>
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#include <GUI/new_gui.hxx>
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@ -47,6 +46,7 @@
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#include "viewmgr.hxx"
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#include "main.hxx"
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#include <Main/viewer.hxx>
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#include <Environment/presets.hxx>
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using std::string;
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using std::ifstream;
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@ -558,6 +558,9 @@ do_tile_cache_reload (const SGPropertyNode * arg)
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}
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#if 0
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These do_set_(some-environment-parameters) are deprecated and no longer
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useful/functional - Torsten Dreyer, January 2011
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/**
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* Set the sea level outside air temperature and assigning that to all
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* boundary and aloft environment layers.
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@ -684,7 +687,7 @@ do_set_dewpoint_degc (const SGPropertyNode * arg)
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dummy.set_dewpoint_degc( dewpoint_degc );
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return do_set_dewpoint_sea_level_degc(dummy.get_dewpoint_sea_level_degc());
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}
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#endif
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/**
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* Update the lighting manually.
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*/
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@ -1260,29 +1263,21 @@ do_replay (const SGPropertyNode * arg)
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return true;
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}
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/*
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static bool
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do_decrease_visibility (const SGPropertyNode * arg)
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{
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double new_value = fgGetDouble("/environment/visibility-m") * 0.9;
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fgSetDouble("/environment/visibility-m", new_value);
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fgDefaultWeatherValue("visibility-m", new_value);
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globals->get_subsystem("environment")->reinit();
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Environment::Presets::VisibilitySingleton::instance()->adjust( 0.9 );
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return true;
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}
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static bool
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do_increase_visibility (const SGPropertyNode * arg)
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{
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double new_value = fgGetDouble("/environment/visibility-m") * 1.1;
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fgSetDouble("/environment/visibility-m", new_value);
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fgDefaultWeatherValue("visibility-m", new_value);
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globals->get_subsystem("environment")->reinit();
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Environment::Presets::VisibilitySingleton::instance()->adjust( 1.1 );
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return true;
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}
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*/
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/**
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* An fgcommand to allow loading of xml files via nasal,
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* the xml file's structure will be made available within
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@ -1454,10 +1449,12 @@ static struct {
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{ "screen-capture", do_screen_capture },
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{ "hires-screen-capture", do_hires_screen_capture },
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{ "tile-cache-reload", do_tile_cache_reload },
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/*
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{ "set-sea-level-air-temp-degc", do_set_sea_level_degc },
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{ "set-outside-air-temp-degc", do_set_oat_degc },
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{ "set-dewpoint-sea-level-air-temp-degc", do_set_dewpoint_sea_level_degc },
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{ "set-dewpoint-temp-degc", do_set_dewpoint_degc },
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*/
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{ "timeofday", do_timeofday },
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{ "property-toggle", do_property_toggle },
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{ "property-assign", do_property_assign },
|
||||
|
|
@ -1480,8 +1477,10 @@ static struct {
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{ "presets-commit", do_presets_commit },
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{ "log-level", do_log_level },
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{ "replay", do_replay },
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/*
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{ "decrease-visibility", do_decrease_visibility },
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{ "increase-visibility", do_increase_visibility },
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*/
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{ "loadxml", do_load_xml_to_proptree},
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{ "savexml", do_save_xml_from_proptree },
|
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{ "press-cockpit-button", do_press_cockpit_button },
|
||||
|
|
|
|||
|
|
@ -56,6 +56,7 @@
|
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#include "util.hxx"
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#include "viewmgr.hxx"
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#include <Main/viewer.hxx>
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#include <Environment/presets.hxx>
|
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|
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#include <simgear/version.h>
|
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#include <osg/Version>
|
||||
|
|
@ -994,18 +995,14 @@ fgOptViewOffset( const char *arg )
|
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static int
|
||||
fgOptVisibilityMeters( const char *arg )
|
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{
|
||||
double visibility = atof( arg );
|
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fgDefaultWeatherValue("visibility-m", visibility);
|
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fgSetDouble("/environment/visibility-m", visibility);
|
||||
Environment::Presets::VisibilitySingleton::instance()->preset( atof( arg ) );
|
||||
return FG_OPTIONS_OK;
|
||||
}
|
||||
|
||||
static int
|
||||
fgOptVisibilityMiles( const char *arg )
|
||||
{
|
||||
double visibility = atof( arg ) * 5280.0 * SG_FEET_TO_METER;
|
||||
fgDefaultWeatherValue("visibility-m", visibility);
|
||||
fgSetDouble("/environment/visibility-m", visibility);
|
||||
Environment::Presets::VisibilitySingleton::instance()->preset( atof( arg ) * 5280.0 * SG_FEET_TO_METER );
|
||||
return FG_OPTIONS_OK;
|
||||
}
|
||||
|
||||
|
|
@ -1016,7 +1013,7 @@ fgOptRandomWind( const char *arg )
|
|||
double max_hdg = min_hdg + (20 - sqrt(sg_random() * 400));
|
||||
double speed = sg_random() * sg_random() * 40;
|
||||
double gust = speed + (10 - sqrt(sg_random() * 100));
|
||||
fgSetupWind(min_hdg, max_hdg, speed, gust);
|
||||
Environment::Presets::WindSingleton::instance()->preset(min_hdg, max_hdg, speed, gust);
|
||||
return FG_OPTIONS_OK;
|
||||
}
|
||||
|
||||
|
|
@ -1028,14 +1025,14 @@ fgOptWind( const char *arg )
|
|||
SG_LOG( SG_GENERAL, SG_ALERT, "bad wind value " << arg );
|
||||
return FG_OPTIONS_ERROR;
|
||||
}
|
||||
fgSetupWind(min_hdg, max_hdg, speed, gust);
|
||||
Environment::Presets::WindSingleton::instance()->preset(min_hdg, max_hdg, speed, gust);
|
||||
return FG_OPTIONS_OK;
|
||||
}
|
||||
|
||||
static int
|
||||
fgOptTurbulence( const char *arg )
|
||||
{
|
||||
fgDefaultWeatherValue("turbulence/magnitude-norm", atof(arg));
|
||||
Environment::Presets::TurbulenceSingleton::instance()->preset( atof(arg) );
|
||||
return FG_OPTIONS_OK;
|
||||
}
|
||||
|
||||
|
|
@ -1052,9 +1049,7 @@ fgOptCeiling( const char *arg )
|
|||
elevation = atof(spec.substr(0, pos).c_str());
|
||||
thickness = atof(spec.substr(pos + 1).c_str());
|
||||
}
|
||||
fgSetDouble("/environment/clouds/layer[0]/elevation-ft", elevation);
|
||||
fgSetDouble("/environment/clouds/layer[0]/thickness-ft", thickness);
|
||||
fgSetString("/environment/clouds/layer[0]/coverage", "overcast");
|
||||
Environment::Presets::CeilingSingleton::instance()->preset( elevation, thickness );
|
||||
return FG_OPTIONS_OK;
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -17,6 +17,9 @@
|
|||
//
|
||||
// $Id$
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
# include <config.h>
|
||||
#endif
|
||||
|
||||
#include <simgear/compiler.h>
|
||||
|
||||
|
|
@ -28,6 +31,8 @@
|
|||
using std::vector;
|
||||
|
||||
#include <simgear/debug/logstream.hxx>
|
||||
#include <simgear/math/SGLimits.hxx>
|
||||
#include <simgear/math/SGMisc.hxx>
|
||||
|
||||
#include "fg_io.hxx"
|
||||
#include "fg_props.hxx"
|
||||
|
|
@ -38,73 +43,6 @@ using std::vector;
|
|||
#include "osgDB/Registry"
|
||||
#endif
|
||||
|
||||
void
|
||||
fgDefaultWeatherValue (const char * propname, double value)
|
||||
{
|
||||
unsigned int i;
|
||||
|
||||
SGPropertyNode * branch = fgGetNode("/environment/config/boundary", true);
|
||||
vector<SGPropertyNode_ptr> entries = branch->getChildren("entry");
|
||||
for (i = 0; i < entries.size(); i++) {
|
||||
entries[i]->setDoubleValue(propname, value);
|
||||
}
|
||||
|
||||
branch = fgGetNode("/environment/config/aloft", true);
|
||||
entries = branch->getChildren("entry");
|
||||
for (i = 0; i < entries.size(); i++) {
|
||||
entries[i]->setDoubleValue(propname, value);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
fgSetupWind (double min_hdg, double max_hdg, double speed, double gust)
|
||||
{
|
||||
// Initialize to a reasonable state
|
||||
fgDefaultWeatherValue("wind-from-heading-deg", min_hdg);
|
||||
fgDefaultWeatherValue("wind-speed-kt", speed);
|
||||
|
||||
SG_LOG(SG_GENERAL, SG_INFO, "WIND: " << min_hdg << '@' <<
|
||||
speed << " knots" << endl);
|
||||
|
||||
// Now, add some variety to the layers
|
||||
min_hdg += 10;
|
||||
if (min_hdg > 360)
|
||||
min_hdg -= 360;
|
||||
speed *= 1.1;
|
||||
fgSetDouble("/environment/config/boundary/entry[1]/wind-from-heading-deg",
|
||||
min_hdg);
|
||||
fgSetDouble("/environment/config/boundary/entry[1]/wind-speed-kt",
|
||||
speed);
|
||||
|
||||
min_hdg += 20;
|
||||
if (min_hdg > 360)
|
||||
min_hdg -= 360;
|
||||
speed *= 1.1;
|
||||
fgSetDouble("/environment/config/aloft/entry[0]/wind-from-heading-deg",
|
||||
min_hdg);
|
||||
fgSetDouble("/environment/config/aloft/entry[0]/wind-speed-kt",
|
||||
speed);
|
||||
|
||||
min_hdg += 10;
|
||||
if (min_hdg > 360)
|
||||
min_hdg -= 360;
|
||||
speed *= 1.1;
|
||||
fgSetDouble("/environment/config/aloft/entry[1]/wind-from-heading-deg",
|
||||
min_hdg);
|
||||
fgSetDouble("/environment/config/aloft/entry[1]/wind-speed-kt",
|
||||
speed);
|
||||
|
||||
min_hdg += 10;
|
||||
if (min_hdg > 360)
|
||||
min_hdg -= 360;
|
||||
speed *= 1.1;
|
||||
fgSetDouble("/environment/config/aloft/entry[2]/wind-from-heading-deg",
|
||||
min_hdg);
|
||||
fgSetDouble("/environment/config/aloft/entry[2]/wind-speed-kt",
|
||||
speed);
|
||||
}
|
||||
|
||||
// Originally written by Alex Perry.
|
||||
double
|
||||
fgGetLowPass (double current, double target, double timeratio)
|
||||
|
|
|
|||
|
|
@ -26,29 +26,6 @@
|
|||
#endif
|
||||
|
||||
|
||||
/**
|
||||
* Initialize a single value through all existing weather levels.
|
||||
*
|
||||
* This function is useful mainly from the command-line.
|
||||
*
|
||||
* @param propname The name of the subproperty to initialized.
|
||||
* @param value The initial value.
|
||||
*/
|
||||
extern void fgDefaultWeatherValue (const char * propname, double value);
|
||||
|
||||
|
||||
/**
|
||||
* Set up a plausible wind layout, boundary and aloft,
|
||||
* based on just a few parameters.
|
||||
*
|
||||
* @param min_hdg Minimal wind heading
|
||||
* @param max_hdg Maximal wind heading
|
||||
* @param speed Windspeed in knots
|
||||
* @param gust Wind gust variation in knots
|
||||
*/
|
||||
extern void fgSetupWind (double min_hdg, double max_hdg,
|
||||
double speed, double gust);
|
||||
|
||||
/**
|
||||
* Move a value towards a target.
|
||||
*
|
||||
|
|
|
|||
Loading…
Reference in a new issue