Add a function to calculate the normalmap from a regular texture.

[simgear.git] / simgear / io / sg_binobj.cxx

diff --git a/simgear/io/sg_binobj.cxx b/simgear/io/sg_binobj.cxx
index b07bc525198db0b6b7687ece684108b63712988f..3cbe455207387e01aa5cb7964f06be4f452a9cd4 100644 (file)
--- a/simgear/io/sg_binobj.cxx
+++ b/simgear/io/sg_binobj.cxx
@@ -2,7 +2,7 @@
 //
 // Written by Curtis Olson, started January 2000.
 //
-// Copyright (C) 2000  Curtis L. Olson  - curt@flightgear.org
+// Copyright (C) 2000  Curtis L. Olson  - http://www.flightgear.org/~curt
 //
 // This program is free software; you can redistribute it and/or modify
 // it under the terms of the GNU General Public License as published by
@@ -116,7 +116,7 @@ public:
 
 // calculate the center of a list of points, by taking the halfway
 // point between the min and max points.
-static Point3D calc_center( point_list& wgs84_nodes ) {
+Point3D sgCalcCenter( point_list& wgs84_nodes ) {
     Point3D p, min, max;
 
     if ( wgs84_nodes.size() ) {
@@ -1145,7 +1145,7 @@ bool SGBinObject::write_ascii( const string& base, const string& name,
            for ( i = start; i < end; ++i ) {
                for ( j = 0; j < (int)tris_v[i].size(); ++j ) {
                    group_nodes.push_back( wgs84_nodes[ tris_v[i][j] ] );
-                   bs_center = calc_center( group_nodes );
+                   bs_center = sgCalcCenter( group_nodes );
                    bs_radius = sgCalcBoundingRadius( bs_center, group_nodes );
                }
            }
@@ -1196,7 +1196,7 @@ bool SGBinObject::write_ascii( const string& base, const string& name,
            for ( i = start; i < end; ++i ) {
                for ( j = 0; j < (int)strips_v[i].size(); ++j ) {
                    group_nodes.push_back( wgs84_nodes[ strips_v[i][j] ] );
-                   bs_center = calc_center( group_nodes );
+                   bs_center = sgCalcCenter( group_nodes );
                    bs_radius = sgCalcBoundingRadius( bs_center, group_nodes );
                }
            }