本日作業分

main.py

@@ -91,6 +91,7 @@ class Main:
         # 大月ヨヨコ
         jojoko: pygame.Surface = pygame.transform.scale (
                 pygame.image.load ('moon.png'), (200, 200))
+        jojoko.set_colorkey (pygame.Color (0, 255, 0))
 
         # 音声再生器の初期化
         pygame.mixer.init (frequency = 44100)
@@ -119,7 +120,7 @@ class Main:
         # Youtube Chat から取得したコメントたち
         chat_items: list = []
 
-        # 会話の履歴（3 件分保持）
+        # 会話の履歴
         histories: list = []
 
         while (True):
@@ -142,24 +143,25 @@ class Main:
             # 日の入終了
             sunset_end: datetime = sunset_start + timedelta (hours = 1)
 
-            # 月の出開始
-            'todo'
-
-            # 月の出終了
-            'todo'
-
-            # 月の入開始
-            'todo'
-
-            # 月の入終了
-            'todo'
-
-            # 日の角度
+            # 時刻つき観測地
             observer_with_time: ephem.Observer = observer
             observer_with_time.date = datetime.now () - timedelta (hours = 9)
+
+            # 日の角度
             sun.compute (observer_with_time)
             sun_alt: float = CommonModule.rad_to_deg (sun.alt)
 
+            # 月の角度
+            moon.compute (observer_with_time)
+            moon_alt: float = CommonModule.rad_to_deg (moon.alt)
+
+            # 月齢
+            new_moon_dt: datetime = ephem.localtime (
+                    ephem.previous_new_moon (observer_with_time.date))
+            moon_days_old: float = (
+                    (datetime.now () -  new_moon_dt).total_seconds ()
+                    / 60 / 60 / 24)
+
             # 背景描画
             cls.draw_bg (screen, bg_day, bg_evening, bg_night, bg_grass,
                          kita, jojoko,
@@ -320,24 +322,26 @@ class Main:
     @classmethod
     def draw_bg (
             cls,
-            screen:         pygame.Surface,
-            bg_day:         pygame.Surface,
-            bg_evening:     pygame.Surface,
-            bg_night:       pygame.Surface,
-            bg_grass:       pygame.Surface,
-            kita:           pygame.Surface,
-            jojoko:         pygame.Surface,
-            sunrise_start:  datetime,
-            sunrise_end:    datetime,
-            sunset_start:   datetime,
-            sunset_end:     datetime,
-            sun_alt:        float) \
+            screen:             pygame.Surface,
+            bg_day:             pygame.Surface,
+            bg_evening:         pygame.Surface,
+            bg_night:           pygame.Surface,
+            bg_grass:           pygame.Surface,
+            kita:               pygame.Surface,
+            jojoko_original:    pygame.Surface,
+            sunrise_start:      datetime,
+            sunrise_end:        datetime,
+            sunset_start:       datetime,
+            sunset_end:         datetime,
+            sun_alt:            float) \
     -> None:
         sunrise_centre: datetime = (
                 sunrise_start + (sunrise_end - sunrise_start) / 2)
         sunset_centre: datetime = (
                 sunset_start + (sunset_end - sunset_start) / 2)
 
+        jojoko: pygame.Surface = jojoko_original.copy ()
+
         dt: datetime = datetime.now ()
 
         if sunrise_centre <= dt < sunset_centre:
@@ -356,6 +360,9 @@ class Main:
 
         screen.blit (bg_evening, (0, 0))
 
+        # TODO: 緑を塗ってヨヨコを缺かす．
+        # pygame.draw.arc (jojoko, (0, 255, 0), 
+
         if -10 <= sun_alt < 40:
             y = ((CWindow.HEIGHT / 2 + 100)
                  - (CWindow.HEIGHT / 2 + 200) / 30 * sun_alt)