added more on scenes

_subsections/sec04/lesson-01.org

@@ -17,3 +17,25 @@
 
 #+attr_html: :width 300px
   [[./../../_share/media/img/albert/section04/lesson-01/fig01.png]]
+
+** making the background
+- you add a Sprite2D node to the Node2D
+- drag the image you want from res:// to the texture property in the Sprite2D inspector
+
+#+attr_html: :width 500px
+[[./../../_share/media/img/albert/section04/lesson-01/fig02.png]]
+
+#+attr_html: :width 500px
+[[./../../_share/media/img/albert/section04/lesson-01/fig03.png]]
+
+** set the current default run scene
+there are two ways to do this
+
+1. hit "run" and select the current scene
+2. via Project Settings
+   1. go to Project->Project Settings
+   2. go to Application->Run->Main Scene
+   3. pick the scene you want to put in there
+
+        #+attr_html: :width 700px
+        [[./../../_share/media/img/albert/section04/lesson-01/fig04.png]]