FGMagicCarpet::FGMagicCarpet( double dt ) {
- set_delta_t( dt );
+// set_delta_t( dt );
}
// Initialize the Magic Carpet flight model, dt is the time increment
// for each subsequent iteration through the EOM
void FGMagicCarpet::init() {
- // explicitly call the superclass's
- // init method first
- FGInterface::init();
+ common_init();
}
// Run an iteration of the EOM (equations of motion)
-bool FGMagicCarpet::update( int multiloop ) {
+void FGMagicCarpet::update( double dt ) {
// cout << "FGLaRCsim::update()" << endl;
- double time_step = get_delta_t() * multiloop;
+ if (is_suspended())
+ return;
+
+ int multiloop = _calc_multiloop(dt);
+
+ double time_step = dt;
// speed and distance traveled
- double speed = controls.get_throttle( 0 ) * 2000; // meters/sec
+ double speed = globals->get_controls()->get_throttle( 0 ) * 2000; // meters/sec
+ if ( globals->get_controls()->get_brake( 0 ) ) {
+ speed = -speed;
+ }
+
double dist = speed * time_step;
double kts = speed * SG_METER_TO_NM * 3600.0;
_set_V_equiv_kts( kts );
_set_V_ground_speed( kts );
// angle of turn
- double turn_rate = controls.get_aileron() * SGD_PI_4; // radians/sec
+ double turn_rate = globals->get_controls()->get_aileron() * SGD_PI_4; // radians/sec
double turn = turn_rate * time_step;
// update euler angles
// update (lon/lat) position
double lat2, lon2, az2;
- if ( speed > SG_EPSILON ) {
+ if ( fabs( speed ) > SG_EPSILON ) {
geo_direct_wgs_84 ( get_Altitude(),
get_Latitude() * SGD_RADIANS_TO_DEGREES,
get_Longitude() * SGD_RADIANS_TO_DEGREES,
sgGeodToGeoc( get_Latitude(), get_Altitude(), &sl_radius, &lat_geoc );
// update altitude
- double real_climb_rate = -controls.get_elevator() * 5000; // feet/sec
+ double real_climb_rate = -globals->get_controls()->get_elevator() * 5000; // feet/sec
_set_Climb_Rate( real_climb_rate / 500.0 );
double climb = real_climb_rate * time_step;
// cout << "(setto) sea level radius (ft) = " << get_Sea_level_radius() << endl;
_set_Sea_level_radius( sl_radius * SG_METER_TO_FEET);
_set_Altitude( get_Altitude() + climb );
-
- return true;
}