X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FAIModel%2FAIThermal.cxx;h=172d1e68aff1d55f23e334f60035ac52b8ba41bf;hb=bb2d1f55e9912d3b9b81b6d5e12900f77eef4365;hp=da9987fb8b65524929e9897b9775cba1cb66de5f;hpb=7e3531ef5cae0c0e9ac325de8712f3b67a3e5e5f;p=flightgear.git

diff --git a/src/AIModel/AIThermal.cxx b/src/AIModel/AIThermal.cxx
index da9987fb8..172d1e68a 100644
--- a/src/AIModel/AIThermal.cxx
+++ b/src/AIModel/AIThermal.cxx
@@ -1,6 +1,6 @@
 // FGAIThermal - FGAIBase-derived class creates an AI thermal
 //
-// Original by Written by David Culp
+// Copyright (C) 2004  David P. Culp - davidculp2@comcast.net
 //
 // An attempt to refine the thermal shape and behaviour by WooT 2009
 //
@@ -120,27 +120,23 @@ void FGAIThermal::update(double dt) {
 double FGAIThermal::get_strength_fac(double alt_frac) {
 
 double PI = 4.0 * atan(1.0);
-double fac;
+double fac = 0.0;
 if ( alt_frac <=0.0 ) { // do submarines get thermals ?
 	fac = 0.0;
-	return fac;
 	}
 else if ( ( alt_frac>0.0 ) && (alt_frac<=0.1) ) { // ground layer
 	fac = ( 0.1*( pow( (10.0*alt_frac),10.0) ) );
-	return fac;
 	}
 else if ( ( alt_frac>0.1 ) && (alt_frac<=1.0) ) {   // main body of the thermal
 	fac = 0.4175 - 0.5825* ( cos ( PI*  (1.0-sqrt(alt_frac) ) +PI) ) ;
-	return fac;
 	}
 else if ( ( alt_frac >1.0 ) && (alt_frac < 1.1 ) ) {  //above the ceiling, but not above the cloud
 	fac = (0.5 * ( 1.0 + cos ( PI*( (-2.0*alt_frac)*5.0 ) ) ) );
-	return fac;
 	}
 else if ( alt_frac >= 1.1 ) {  //above the cloud
 	fac = 0.0;
-	return fac;
 	}
+return fac;
 }
 
 
@@ -233,7 +229,7 @@ double user_altitude  = manager->get_user_altitude(); // MSL
 dt_count += dt;
 if (dt_count >= 10.0 ) {
 	//double alt;
-	if (globals->get_scenery()->get_elevation_m(SGGeod::fromGeodM(pos, 20000), alt, 0)){	
+	if (getGroundElevationM(SGGeod::fromGeodM(pos, 20000), alt, 0)) {
 	ground_elev_ft =  alt * SG_METER_TO_FEET;
 	do_agl_calc = 0;
 	altitude_agl_ft = height - ground_elev_ft ;
@@ -255,12 +251,7 @@ double Vup;
 // environment variables
 // *********************
 
-// the  windspeed at the user alt in KT
-double windspeed;
-
 // the  wind heading at the user alt
-double wind_heading;
-double wind_heading_deg;
 double wind_heading_rad;
 
 // the "ambient" sink outside thermals