Add initial prototype.

3-mid/opengl/source/lean/model/opengl-model-box-textured.ads

@@ -0,0 +1,52 @@
+with
+     openGL.Geometry,
+     openGL.Font,
+     openGL.Texture;
+
+
+package openGL.Model.Box.textured
+--
+--  Models a textured box.
+--
+--  Each face may have a separate texture.
+--
+is
+   type Item is new Model.box.item with private;
+   type View is access all Item'Class;
+
+
+   type Face is
+      record
+         texture_Name : asset_Name := null_Asset;
+      end record;
+
+   type Faces is array (Side) of Face;
+
+
+   ---------
+   --- Forge
+   --
+
+   function new_Box (Size      : in Vector_3;
+                     Faces     : in textured.Faces;
+                     is_Skybox : in Boolean := False) return View;
+
+
+   --------------
+   --- Attributes
+   --
+
+   overriding
+   function to_GL_Geometries (Self : access Item;   Textures : access Texture.name_Map_of_texture'Class;
+                                                    Fonts    : in     Font.font_id_Map_of_font) return Geometry.views;
+
+
+private
+
+   type Item is new Model.box.item with
+      record
+         Faces     : textured.Faces;
+         is_Skybox : Boolean := False;
+      end record;
+
+end openGL.Model.Box.textured;