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Convert REIL lights function

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This commit is contained in:
Christian Schmitt 2012-10-18 14:13:04 +02:00
parent 3b13084218
commit 165f7e2481
1 changed files with 13 additions and 36 deletions
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49
src/Airports/GenAirports850/lights.cxx
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@ -647,59 +647,37 @@ TGSuperPoly Runway::gen_reil( bool recip )
{
point_list lights; lights.clear();
point_list normals; normals.clear();
string flag;
string flag = rwy.rwnum[get_thresh0(recip)];
SG_LOG(SG_GENERAL, SG_DEBUG, "gen reil " << rwy.rwnum[0] );
Point3D normal;
point_list corner = gen_corners( 0.0, rwy.threshold[0], rwy.threshold[1], 0.0 );
Point3D normal = gen_runway_light_vector( 10, recip );;
// determine the start point.
Point3D ref1, ref2;
SGGeod ref;
double length_hdg, left_hdg;
double lon, lat, r;
if ( recip ) {
ref1 = corner[0];
ref2 = corner[1];
length_hdg = rwy.heading + 180.0;
if ( length_hdg > 360.0 ) { length_hdg -= 360.0; }
flag = rwy.rwnum[1];
ref = SGGeodesy::direct( GetEnd(), length_hdg, rwy.threshold[get_thresh0(recip)]);
} else {
ref1 = corner[2];
ref2 = corner[3];
length_hdg = rwy.heading;
flag = rwy.rwnum[0];
ref = SGGeodesy::direct(GetStart(), length_hdg, rwy.threshold[get_thresh0(recip)]);
}
left_hdg = length_hdg - 90.0;
if ( left_hdg < 0 ) {
left_hdg += 360.0;
}
SG_LOG(SG_GENERAL, SG_DEBUG, "length hdg = " << length_hdg << " left heading = " << left_hdg );
// offset 40' downwind
geo_direct_wgs_84 ( ref1.lat(), ref1.lon(), length_hdg,
-40 * SG_FEET_TO_METER, &lat, &lon, &r );
ref1 = Point3D( lon, lat, 0.0 );
// offset 40' left
geo_direct_wgs_84 ( ref1.lat(), ref1.lon(), left_hdg,
40 * SG_FEET_TO_METER, &lat, &lon, &r );
ref1 = Point3D( lon, lat, 0.0 );
// offset 1m downwind
ref = SGGeodesy::direct( ref, length_hdg, -1 );
lights.push_back( ref1 );
normal = gen_runway_light_vector( 10, recip );
double offset = rwy.width * 0.5 + 12;
// left light
lights.push_back( Point3D::fromSGGeod(SGGeodesy::direct( ref, left_hdg, offset )) );
normals.push_back( normal );
// offset 40' downwind
geo_direct_wgs_84 ( ref2.lat(), ref2.lon(), length_hdg,
-40 * SG_FEET_TO_METER, &lat, &lon, &r );
ref2 = Point3D( lon, lat, 0.0 );
// offset 40' left
geo_direct_wgs_84 ( ref2.lat(), ref2.lon(), left_hdg,
-40 * SG_FEET_TO_METER, &lat, &lon, &r );
ref2 = Point3D( lon, lat, 0.0 );
lights.push_back( ref2 );
normal = gen_runway_light_vector( 10, recip );
// right light
lights.push_back( Point3D::fromSGGeod(SGGeodesy::direct( ref, left_hdg, -offset )) );
normals.push_back( normal );
TGPolygon lights_poly; lights_poly.erase();
@ -711,7 +689,6 @@ TGSuperPoly Runway::gen_reil( bool recip )
result.set_poly( lights_poly );
result.set_normals( normals_poly );
result.set_material( "RWY_REIL_LIGHTS" );
result.set_flag( flag );
return result;