fly/flightgear
1
0
Fork 0
Code Activity

Merge branch 'curt/navradio'

Browse source 
Conflicts:
	src/Instrumentation/navradio.cxx
This commit is contained in:
Tim Moore 2010-01-13 07:37:44 +01:00
commit cf9a520a9f
2 changed files with 8 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

8
src/Instrumentation/navradio.cxx
View file

@ -208,6 +208,7 @@ FGNavRadio::init ()
gs_deflection_deg_node = node->getChild("gs-needle-deflection-deg", 0, true);
gs_deflection_norm_node = node->getChild("gs-needle-deflection-norm", 0, true);
gs_rate_of_climb_node = node->getChild("gs-rate-of-climb", 0, true);
gs_rate_of_climb_fpm_node = node->getChild("gs-rate-of-climb-fpm", 0, true);
gs_dist_node = node->getChild("gs-distance", 0, true);
gs_inrange_node = node->getChild("gs-in-range", 0, true);
@ -593,17 +594,22 @@ void FGNavRadio::updateGlideSlope(double dt, const SGVec3d& aircraft, double sig
double gs_diff = target_gs - angle;
// convert desired vertical path angle into a climb rate
double des_angle = angle - 10 * gs_diff;
/* printf("target_gs=%.1f angle=%.1f gs_diff=%.1f des_angle=%.1f\n",
target_gs, angle, gs_diff, des_angle); */
// estimate horizontal speed towards ILS in meters per minute
double elapsedDistance = last_x - gsDist;
last_x = gsDist;
double new_vel = ( elapsedDistance / dt );
horiz_vel = 0.75 * horiz_vel + 0.25 * new_vel;
horiz_vel = 0.99 * horiz_vel + 0.01 * new_vel;
/* printf("vel=%.1f (dist=%.1f dt=%.2f)\n", horiz_vel, elapsedDistance, dt);*/
gs_rate_of_climb_node
->setDoubleValue( -sin( des_angle * SGD_DEGREES_TO_RADIANS )
* horiz_vel * SG_METER_TO_FEET );
gs_rate_of_climb_fpm_node
->setDoubleValue( gs_rate_of_climb_node->getDoubleValue() * 60 );
}
void FGNavRadio::updateDME(const SGVec3d& aircraft)

1
src/Instrumentation/navradio.hxx
View file

@ -103,6 +103,7 @@ class FGNavRadio : public SGSubsystem
SGPropertyNode_ptr gs_deflection_deg_node;
SGPropertyNode_ptr gs_deflection_norm_node;
SGPropertyNode_ptr gs_rate_of_climb_node;
SGPropertyNode_ptr gs_rate_of_climb_fpm_node;
SGPropertyNode_ptr gs_dist_node;
SGPropertyNode_ptr gs_inrange_node;
SGPropertyNode_ptr nav_id_node;