-
-
-ssgBranch *gen_taxi_sign( const string path, const string content ) {
- // for demo purposes we assume each element (letter) is 1x1 meter.
- // Sign is placed 0.25 meters above the ground
-
- ssgBranch *object = new ssgBranch();
- object->setName( (char *)content.c_str() );
-
- double offset = content.length() / 2.0;
-
- for ( unsigned int i = 0; i < content.length(); ++i ) {
- string material;
-
- char item = content[i];
- if ( item == '<' ) {
- material = "ArrowL.rgb";
- } else if ( item == '>' ) {
- material = "ArrowR.rgb";
- } else if ( item >= 'A' && item <= 'Z' ) {
- material = "Letter";
- material += item;
- material += ".rgb";
- } else if ( item >= 'a' && item <= 'z' ) {
- int tmp = item - 'a';
- char c = 'A' + tmp;
- material = "Black";
- material += c;
- material += ".rgb";
- } else {
- cout << "Unknown taxi sign code = '" << item << "' !!!!" << endl;
- return NULL;
- }
-
- point_list nodes; nodes.clear();
- point_list normals; normals.clear();
- point_list texcoords; texcoords.clear();
- int_list vertex_index; vertex_index.clear();
- int_list tex_index; tex_index.clear();
-
- nodes.push_back( Point3D( -offset + i, 0, 0.25 ) );
- nodes.push_back( Point3D( -offset + i + 1, 0, 0.25 ) );
- nodes.push_back( Point3D( -offset + i, 0, 1.25 ) );
- nodes.push_back( Point3D( -offset + i + 1, 0, 1.25 ) );
-
- normals.push_back( Point3D( 0, -1, 0 ) );
- normals.push_back( Point3D( 0, -1, 0 ) );
- normals.push_back( Point3D( 0, -1, 0 ) );
- normals.push_back( Point3D( 0, -1, 0 ) );
-
- texcoords.push_back( Point3D( 0, 0, 0 ) );
- texcoords.push_back( Point3D( 1, 0, 0 ) );
- texcoords.push_back( Point3D( 0, 1, 0 ) );
- texcoords.push_back( Point3D( 1, 1, 0 ) );
-
- vertex_index.push_back( 0 );
- vertex_index.push_back( 1 );
- vertex_index.push_back( 2 );
- vertex_index.push_back( 3 );
-
- tex_index.push_back( 0 );
- tex_index.push_back( 1 );
- tex_index.push_back( 2 );
- tex_index.push_back( 3 );
-
- ssgLeaf *leaf = gen_leaf( path, GL_TRIANGLE_STRIP, material,
- nodes, normals, texcoords,
- vertex_index, tex_index,
- false, NULL );
-
- object->addKid( leaf );
- }
-
- return object;
-}
-
-
-ssgBranch *gen_runway_sign( const string path, const string name ) {
- // for demo purposes we assume each element (letter) is 1x1 meter.
- // Sign is placed 0.25 meters above the ground
-
- ssgBranch *object = new ssgBranch();
- object->setName( (char *)name.c_str() );
-
- double width = name.length() / 3.0;
-
- string material = name + ".rgb";
-
- point_list nodes; nodes.clear();
- point_list normals; normals.clear();
- point_list texcoords; texcoords.clear();
- int_list vertex_index; vertex_index.clear();
- int_list tex_index; tex_index.clear();
-
- nodes.push_back( Point3D( -width, 0, 0.25 ) );
- nodes.push_back( Point3D( width + 1, 0, 0.25 ) );
- nodes.push_back( Point3D( -width, 0, 1.25 ) );
- nodes.push_back( Point3D( width + 1, 0, 1.25 ) );
-
- normals.push_back( Point3D( 0, -1, 0 ) );
- normals.push_back( Point3D( 0, -1, 0 ) );
- normals.push_back( Point3D( 0, -1, 0 ) );
- normals.push_back( Point3D( 0, -1, 0 ) );
-
- texcoords.push_back( Point3D( 0, 0, 0 ) );
- texcoords.push_back( Point3D( 1, 0, 0 ) );
- texcoords.push_back( Point3D( 0, 1, 0 ) );
- texcoords.push_back( Point3D( 1, 1, 0 ) );
-
- vertex_index.push_back( 0 );
- vertex_index.push_back( 1 );
- vertex_index.push_back( 2 );
- vertex_index.push_back( 3 );
-
- tex_index.push_back( 0 );
- tex_index.push_back( 1 );
- tex_index.push_back( 2 );
- tex_index.push_back( 3 );
-
- ssgLeaf *leaf = gen_leaf( path, GL_TRIANGLE_STRIP, material,
- nodes, normals, texcoords,
- vertex_index, tex_index,
- false, NULL );
-
- object->addKid( leaf );
-
- return object;
-}