X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FAirports%2Frunwaybase.cxx;h=4f60682a9a75b36ecaacee90276e70be39349fcd;hb=c068049d840c2f4567c7d07e7fb37247d8e23407;hp=fd82406ad9a0696258a5a034d9551b9d2db783a9;hpb=f9de92f53db91c45e4bd885ba606749e9597fdbb;p=flightgear.git

diff --git a/src/Airports/runwaybase.cxx b/src/Airports/runwaybase.cxx
index fd82406ad..4f60682a9 100644
--- a/src/Airports/runwaybase.cxx
+++ b/src/Airports/runwaybase.cxx
@@ -1,6 +1,6 @@
 // runwaybase.cxx -- a base class for runways and taxiways
 //
-// Written by James Turber, started December 2008.
+// Written by James Turner, started December 2008.
 //
 // Copyright (C) 2000  Curtis L. Olson  - http://www.flightgear.org/~curt
 //
@@ -26,6 +26,7 @@
 #endif
 
 #include <simgear/compiler.h>
+#include <simgear/props/props.hxx>
 
 #include "runwaybase.hxx"
 
@@ -45,13 +46,12 @@ using std::string;
  * 12 -  lakebed
  */
 
-FGRunwayBase::FGRunwayBase(Type aTy, const string& aIdent,
+FGRunwayBase::FGRunwayBase(PositionedID aGuid, Type aTy, const string& aIdent,
                         const SGGeod& aGeod,
                         const double heading, const double length,
                         const double width,
-                        const int surface_code,
-                        bool index) :
-  FGPositioned(aTy, aIdent, aGeod, index)
+                        const int surface_code) :
+  FGPositioned(aGuid, aTy, aIdent, aGeod)
 {
   _heading = heading;
   _length = length;
@@ -60,27 +60,40 @@ FGRunwayBase::FGRunwayBase(Type aTy, const string& aIdent,
 }
 
 SGGeod FGRunwayBase::pointOnCenterline(double aOffset) const
+{
+  SGGeod result = SGGeodesy::direct(geod(), _heading, aOffset);
+  result.setElevationM(geod().getElevationM());
+    
+  return result;
+}
+
+SGGeod FGRunwayBase::pointOffCenterline(double aOffset, double lateralOffset) const
 {
   SGGeod result;
+  SGGeod temp;
   double dummyAz2;
-  double halfLengthMetres = lengthM() * 0.5;
-  
-  SGGeodesy::direct(mPosition, _heading, 
-    aOffset - halfLengthMetres,
+
+  SGGeodesy::direct(geod(), _heading, aOffset, temp, dummyAz2);
+
+  SGGeodesy::direct(temp, SGMiscd::normalizePeriodic(0, 360,_heading+90.0),
+    lateralOffset,
     result, dummyAz2);
+
   return result;
 }
 
+
 bool FGRunwayBase::isHardSurface() const
 {
   return ((_surface_code == 1) || (_surface_code == 2));
 }
 
-FGTaxiway::FGTaxiway(const string& aIdent,
+FGTaxiway::FGTaxiway(PositionedID aGuid,
+                     const string& aIdent,
                         const SGGeod& aGeod,
                         const double heading, const double length,
                         const double width,
                         const int surface_code) :
-  FGRunwayBase(TAXIWAY, aIdent, aGeod, heading, length, width, surface_code, false)
+  FGRunwayBase(aGuid, TAXIWAY, aIdent, aGeod, heading, length, width, surface_code)
 {
 }