diff --git a/src/Objects/obj.cxx b/src/Objects/obj.cxx index a19ebbe83..4ca10a2c5 100644 --- a/src/Objects/obj.cxx +++ b/src/Objects/obj.cxx @@ -1427,7 +1427,7 @@ bool fgBinObjLoad( const string& path, const bool is_base, } geometry->setName( (char *)path.c_str() ); - + if ( is_base ) { // reference point (center offset/bounding sphere) *center = obj.get_gbs_center(); @@ -1481,6 +1481,19 @@ bool fgBinObjLoad( const string& path, const bool is_base, } } + // Put all randomly-placed objects under a separate branch + // (actually an ssgRangeSelector) named "random-models". + ssgBranch * random_object_branch = 0; + if (use_random_objects) { + float ranges[] = {0, 20000}; // Maximum 20km range for random objects + ssgRangeSelector * object_lod = new ssgRangeSelector; + object_lod->setRanges(ranges, 2); + object_lod->setName("random-models"); + geometry->addKid(object_lod); + random_object_branch = new ssgBranch; + object_lod->addKid(random_object_branch); + } + // generate triangles string_list tri_materials = obj.get_tri_materials(); group_list tris_v = obj.get_tris_v(); @@ -1497,7 +1510,8 @@ bool fgBinObjLoad( const string& path, const bool is_base, is_base, ground_lights ); if (use_random_objects) - gen_random_surface_objects(leaf, geometry, center, material); + gen_random_surface_objects(leaf, random_object_branch, + center, material); geometry->addKid( leaf ); } @@ -1517,7 +1531,8 @@ bool fgBinObjLoad( const string& path, const bool is_base, is_base, ground_lights ); if (use_random_objects) - gen_random_surface_objects(leaf, geometry, center, material); + gen_random_surface_objects(leaf, random_object_branch, + center, material); geometry->addKid( leaf ); } @@ -1536,7 +1551,8 @@ bool fgBinObjLoad( const string& path, const bool is_base, vertex_index, normal_index, tex_index, is_base, ground_lights ); if (use_random_objects) - gen_random_surface_objects(leaf, geometry, center, material); + gen_random_surface_objects(leaf, random_object_branch, + center, material); geometry->addKid( leaf ); }