opengl.model.box: Add a lit, colored and single textured box.

3-mid/opengl/applet/demo/culler/many_boxes_textured_x1/launch_many_boxes_textured_x1_demo.adb

@@ -0,0 +1,99 @@
+with
+     openGL.Palette,
+     openGL.Model.Box.lit_colored_textured_x1,
+     openGL.Visual,
+     openGL.Light,
+
+     openGL.Demo;
+
+
+procedure launch_many_Boxes_textured_x1_Demo
+--
+--  Exercise the culler with many lit, colored and single textured boxes.
+--
+is
+   use openGL,
+       openGL.Model,
+       openGL.Model.box,
+       openGL.Palette,
+       openGL.Math,
+       openGL.linear_Algebra_3d;
+
+begin
+   Demo.print_Usage;
+   Demo.define ("openGL 'many Boxes' Demo");
+
+   --  Setup the camera.
+   --
+   Demo.Camera.Position_is ([0.0, 0.0, 5.0],
+                            y_Rotation_from (to_Radians (0.0)));
+
+   declare
+      -- Create the box sprites.
+      --
+      face_Texture : constant asset_Name := to_Asset ("assets/Face1.bmp");
+
+      the_box_Model : constant Box.lit_colored_textured_x1.view
+        := Box.lit_colored_textured_x1.new_Box
+          (size   => [0.5, 0.5, 0.5],
+           faces  => [front => (colors => [others => (White,    Opaque)]),
+                      rear  => (colors => [others => (Blue,     Opaque)]),
+                      upper => (colors => [others => (Green,    Opaque)]),
+                      lower => (colors => [others => (Green,    Opaque)]),
+                      left  => (colors => [others => (Dark_Red, Opaque)]),
+                      right => (colors => [others => (Red,      Opaque)])],
+          Texture => face_Texture);
+
+      Size : constant Integer     :=  70;
+      x    :          openGL.Real := -openGL.Real (Size) / 2.0;
+      z    :          openGL.Real :=  0.0;
+
+      Sprites : constant Visual.views (1 .. Size * Size) := [others => Visual.Forge.new_Visual (Model.view (the_box_Model))];
+
+   begin
+      -- Position the sprites.
+      --
+      for i in Sprites'Range
+      loop
+         x := x + 1.0;
+
+         if i mod Size = 0
+         then
+            z := z - 1.0;
+            x := -openGL.Real (Size) / 2.0;
+         end if;
+
+         Sprites (i).Site_is ([x, 0.0, z]);
+      end loop;
+
+
+      -- Set up the light.
+      --
+      declare
+         the_Light : openGL.Light.item := Demo.Renderer.Light (1);
+      begin
+         the_Light.Site_is ([0.0, 5_000.0, 5_000.0]);     -- TODO: Lighting is incorrect. The site appears to be the exact opposite of where it should be !
+         Demo.Renderer.set (the_Light);
+      end;
+
+      --  Main loop.
+      --
+      while not Demo.Done
+      loop
+         Demo.Dolly.evolve;
+         Demo.Done := Demo.Dolly.quit_Requested;
+
+         Demo.Camera.render (Sprites);
+
+         while not Demo.Camera.cull_Completed
+         loop
+            delay Duration'Small;
+         end loop;
+
+         Demo.Renderer.render;
+         Demo.FPS_Counter.increment;    -- Frames per second display.
+      end loop;
+   end;
+
+   Demo.destroy;
+end launch_many_Boxes_textured_x1_Demo;

3-mid/opengl/applet/demo/culler/many_boxes_textured_x1/many_boxes_textured_x1_demo.gpr

@@ -0,0 +1,17 @@
+with 
+     "opengl_demo",
+     "lace_shared";
+
+
+project many_Boxes_textured_x1_Demo
+is
+   for Object_Dir use "build";
+   for Exec_Dir use ".";
+   for Main use ("launch_many_boxes_textured_x1_demo.adb");
+
+   package Ide      renames Lace_shared.Ide;
+   package Builder  renames Lace_shared.Builder;
+   package Compiler renames Lace_shared.Compiler;
+   package Binder   renames Lace_shared.Binder;
+
+end many_Boxes_textured_x1_Demo;