04_views.py差异

04_views.py

--- /pb1/repo/arcade/doc/tutorials/views/03_views.py
+++ /pb1/repo/arcade/doc/tutorials/views/04_views.py
@@ -37,6 +37,31 @@
         self.window.show_view(game_view)
 
 
+class GameOverView(arcade.View):
+    """ View to show when game is over """
+
+    def __init__(self):
+        """ This is run once when we switch to this view """
+        super().__init__()
+        self.texture = arcade.load_texture("game_over.png")
+
+        # Reset the viewport, necessary if we have a scrolling game and we need
+        # to reset the viewport back to the start so we can see what we draw.
+        self.window.default_camera.use()
+
+    def on_draw(self):
+        """ Draw this view """
+        self.clear()
+        self.texture.draw_sized(SCREEN_WIDTH / 2, SCREEN_HEIGHT / 2,
+                                SCREEN_WIDTH, SCREEN_HEIGHT)
+
+    def on_mouse_press(self, _x, _y, _button, _modifiers):
+        """ If the user presses the mouse button, re-start the game. """
+        game_view = GameView()
+        game_view.setup()
+        self.window.show_view(game_view)
+
+
 class GameView(arcade.View):
     """ Our custom Window Class"""
 
@@ -56,7 +81,7 @@
         # Don't show the mouse cursor
         self.window.set_mouse_visible(False)
 
-        self.window.background_color = arcade.color.AMAZON
+        self.background_color = arcade.color.AMAZON
 
     def setup(self):
         """ Set up the game and initialize the variables. """
@@ -123,6 +148,12 @@
             coin.remove_from_sprite_lists()
             self.score += 1
 
+        # Check length of coin list. If it is zero, flip to the
+        # game over view.
+        if len(self.coin_list) == 0:
+            view = GameOverView()
+            self.window.show_view(view)
+
 
 def main():
     """ Main function """