创建得分Score类

scoreboard.py

@@ -44,5 +44,43 @@ class Scoreboard():
         self.score_image_rect = self.score_image.get_rect()
         self.score_image_rect.right = self.screen_rect.right - 20
         self.score_image_rect.top = 20
+def prep_high_score(self):
+        """将最高得分转换为一幅渲染的图像"""
+        high_round_score = round(self.game_stats.high_score, -1)  # 使得分为10的倍数  -1----10的倍数   -2--100的倍数  -3--1000的倍数
+        high_score_str = "Mscore:" + "{:,}".format(high_round_score)
+        self.high_score_image = self.font.render(high_score_str, True, self.text_color,
+                                            self.ai_settings.bg_color)
 
+        # 将最高得分放在顶部屏幕中央
+        self.high_score_image_rect = self.high_score_image.get_rect()
+        self.high_score_image_rect.centerx = self.screen_rect.centerx
+        self.high_score_image_rect.top = self.score_image_rect.top
+
+    def prep_level(self):
+        """将等级转换为一幅渲染的图像"""
+
+        self.level_image = self.font.render(("lev:" + str(self.game_stats.level)), True,
+                                            self.text_color, self.ai_settings.bg_color)
+
+        # 将等级放在等分下面
+        self.level_image_rect = self.level_image.get_rect()
+        self.level_image_rect.right = self.score_image_rect.right
+        self.level_image_rect.top = self.score_image_rect.bottom + 10
+
+    def prep_ships(self):
+        """显示还剩下多少艘飞船"""
+        self.ships = Group()
+        for ship_number in range(self.game_stats.ships_left):
+            ship = Ship(self.ai_settings, self.screen)
+            ship.rect.x = 10 + ship_number * ship.rect.width
+            ship.rect.top = 10
+            self.ships.add(ship)
+
+    def show_score(self):
+        """在屏幕上显示当前得分和最高得分"""
+        self.screen.blit(self.score_image, self.score_image_rect)
+        self.screen.blit(self.high_score_image, self.high_score_image_rect)
+        self.screen.blit(self.level_image, self.level_image_rect)
+        # 绘制飞船
+        self.ships.draw(self.screen)