Breaks the large create_layer_items.cpp file into 2 smaller specialized files, to make changes in 3D shapes calculations more easy.

3d-viewer/3d_rendering/3d_render_ogl_legacy/c3d_render_createscene_ogl_legacy.cpp

@@ -562,6 +562,7 @@ void C3D_RENDER_OGL_LEGACY::reload( REPORTER *aStatusTextReporter )
 
         m_triangles[layer_id] = layerTriangles;
 
+        // Load the 2D (X,Y axis) component of shapes
         for( LIST_OBJECT2D::const_iterator itemOnLayer = listObject2d.begin();
              itemOnLayer != listObject2d.end();
              ++itemOnLayer )
@@ -608,6 +609,7 @@ void C3D_RENDER_OGL_LEGACY::reload( REPORTER *aStatusTextReporter )
 
         const MAP_POLY &map_poly = m_settings.GetPolyMap();
 
+        // Load the vertical (Z axis)  component of shapes
         if( map_poly.find( layer_id ) != map_poly.end() )
         {
             const SHAPE_POLY_SET *polyList = map_poly.at( layer_id );

3d-viewer/CMakeLists.txt

@@ -47,6 +47,7 @@ set(3D-VIEWER_SRCS
     ../polygon/poly2tri/sweep/sweep_context.cc
     3d_canvas/cinfo3d_visu.cpp
     3d_canvas/create_layer_items.cpp
+    3d_canvas/create_3Dgraphic_brd_items.cpp
     3d_canvas/create_layer_poly.cpp
     3d_canvas/eda_3d_canvas.cpp
     3d_canvas/eda_3d_canvas_pivot.cpp