Rearrange & setup

samples/button.rb

@@ -1,4 +1,4 @@
-window = Window.new 400, 400, title: "Button Test"
+app = App.new 400, 400, title: "Button Test"
 
 main_scene = Scene.new
 
@@ -18,6 +18,4 @@ end
 main_scene << text
 main_scene << rect
 
-window.scenes[:main_scene] = main_scene
-
-window.start :main_scene
+app.start main_scene

samples/main.rb

@@ -5,15 +5,15 @@ width, height = 720, 480
 
 image = Image.new "assets/loading.png"
 
-window = Window.new width, height, title: "My Game", loading_bg: image
+app = App.new width, height, title: "My Game", loading_bg: image
 
-window.map_key ?w, :forward
-window.map_key ?s, :backward
-window.map_key ?a, :left
-window.map_key ?d, :right
+app.map_key ?w, :forward
+app.map_key ?s, :backward
+app.map_key ?a, :left
+app.map_key ?d, :right
 
-window.map_key ?h, :heal
-window.map_key ?t, :place
+app.map_key ?h, :heal
+app.map_key ?t, :place
 
 menu_scene = Scene.new
 
@@ -21,14 +21,14 @@ default_font = Font.new "assets/DejaVuSans.ttf", 12, italic: true
 
 start_button = ElementText.new "Start Game", font: default_font, position: {x: 100, y: 100}
 
+game_scene = Scene.new
+
 start_button.on_click do
-  window.start :game_scene
+  app.start game_scene
 end
 
 menu_scene << start_button
 
-game_scene = Scene.new
-
 world = ElementWorld.new
 
 # world.cam # camera object to control the view of the world, has position, zoom, rotation
@@ -183,7 +183,4 @@ world.shader :fog do |shader|
   z = 100 # shaders always appear above normal sprites but z is used to sort them relative to each other, so a shader with z 100 will appear above a shader with z 50, but both will appear above normal sprites
 end
 
-window.scenes[:menu_scene] = menu_scene
-window.scenes[:game_scene] = game_scene
-
-window.start :menu_scene # first scene to show when the game starts, stops the loading bg
+app.start menu_scene # first scene to show when the game starts, stops the loading bg