第七部分2

scoreboard.py

@@ -35,4 +35,41 @@ class Scoreboard():
         self.score_rect.right = self.screen_rect.right - 20
         self.score_rect.top = 20
         
+    def prep_high_score(self):
+        """Turn the high score into a rendered image."""
+        high_score = int(round(self.stats.high_score, -1))
+        high_score_str = "{:,}".format(high_score)
+        self.high_score_image = self.font.render(high_score_str, True,
+            self.text_color, self.ai_settings.bg_color)
                 
+        # Center the high score at the top of the screen.
+        self.high_score_rect = self.high_score_image.get_rect()
+        self.high_score_rect.centerx = self.screen_rect.centerx
+        self.high_score_rect.top = self.score_rect.top
+        
+    def prep_level(self):
+        """Turn the level into a rendered image."""
+        self.level_image = self.font.render(str(self.stats.level), True,
+                self.text_color, self.ai_settings.bg_color)
+        
+        # Position the level below the score.
+        self.level_rect = self.level_image.get_rect()
+        self.level_rect.right = self.score_rect.right
+        self.level_rect.top = self.score_rect.bottom + 10
+        
+    def prep_ships(self):
+        """Show how many ships are left."""
+        self.ships = Group()
+        for ship_number in range(self.stats.ships_left):
+            ship = Ship(self.ai_settings, self.screen)
+            ship.rect.x = 10 + ship_number * ship.rect.width
+            ship.rect.y = 10
+            self.ships.add(ship)
+        
+    def show_score(self):
+        """Draw score to the screen."""
+        self.screen.blit(self.score_image, self.score_rect)
+        self.screen.blit(self.high_score_image, self.high_score_rect)
+        self.screen.blit(self.level_image, self.level_rect)
+        # Draw ships.
+        self.ships.draw(self.screen)