[学习内容]外星人入侵项目实践

MingMingWu · MingMingWu · commit a9fa4cf6aef9 · 2017-05-20T13:37:43.000+08:00
1. 添加多行外星人
问题：图像刷新速度变慢，进程慢了很多
  待解决：加入多线程或许可以解决
diff --git a/alien.py b/alien.py
@@ -44,9 +44,9 @@ def update(self):
         """重写更新函数,根据移动规则改变外星人位置"""
         # self.__y += self.__speed
         # self.__x += self.__speed
-        self.__rect.y = self.__y
+        # self.__rect.y = self.__y
         # self.__rect.x = self.__x
-        self.__center = self.__rect.centerx
+        # self.__center = self.__rect.centerx
 
     def moving(self):
         """移动外星人"""
@@ -86,10 +86,10 @@ def get_self_center(self):
         return self.__center
 
     def get_distance_alien(self):
-        return self.__distance_alien
+        return self.__min_distance_alien
 
     def get_distance_wall(self):
-        return self.__distance_wall
+        return self.__min_distance_wall
 
 
 
diff --git a/alien_invasion.py b/alien_invasion.py
@@ -29,7 +29,7 @@ def run_game():
     alien_num = ai_settings.cal_alien_num_line_default(scrren)
     print alien_num
     gf.creat_fleet_alien(scrren, aliens, alien_num)
-    ai_settings.set_alien_info_default(aliens)
+    ai_settings.set_alien_info_default(aliens, alien_num)
 
 #   开始游戏的主循环
     while True:
diff --git a/game_functions.py b/game_functions.py
@@ -59,6 +59,7 @@ def redraw_alien(aliens):
     # aliens.update()
     # aliens_num = len(aliens)
     # aliens.draw(scrren)
+    # print len(aliens)
     for alien in aliens:
         alien.blitme()
 
@@ -83,7 +84,9 @@ def redraw_scrren(bg_color, scrren, ship, aliens):
 
 def creat_fleet_alien(screen, aliens, aliens_num):
     """创建一群外星人"""
-    for alien in range(aliens_num):
-        alien = Alien(screen)
-        aliens.add(alien)
+    for row in range(aliens_num['row_num']):
+        for alien in range(aliens_num['list_num']):
+            alien = Alien(screen)
+            aliens.add(alien)
 
+    print len(aliens)
diff --git a/settings.py b/settings.py
@@ -12,11 +12,11 @@ def __init__(self):
         # 屏幕设置
         self.scrren_width = 1200
         self.scrren_height = 800
-        self.bg_color = (255, 255, 255)
+        self.bg_color = (230, 230, 230)
 
         # 飞船设置
-        self.ship_speed = 1.5
-        self.ship_bullet_allowed = 10
+        self.ship_speed = 10
+        self.ship_bullet_allowed = 100
 
         # 子弹设置
         self.bullet_speed = 1
@@ -30,9 +30,10 @@ def __init__(self):
         #
         self.alien_width = 60
         self.alien_height = 60
-        self.alien_min_distance_alien = 20
+        self.alien_min_distance_list = 10
+        self.alien_min_distance_row = 10
         self.alien_min_distance_wall = 10
-        self.alien_min_distance_bottom = 30
+        self.alien_min_distance_bottom = 10
         self.alien_min_distance_top = 60
 
     def set_ship(self, ship, speed, bullet):
@@ -69,22 +70,38 @@ def cal_alien_num_line(self, alien_distance_alien, alien_distance_wall, alien_wi
 
     def cal_alien_num_line_default(self, scrren):
         """计算一行可以放置多少外星人"""
+        alien_num = {}
         scrren_rect = scrren.get_rect()
-        num = int((scrren_rect.width - 2 * self.alien_min_distance_wall + self.alien_width) \
-                  / (self.alien_min_distance_alien + self.alien_width))
-        return num
+        list_num = int((scrren_rect.width - 2 * self.alien_min_distance_wall + self.alien_width) \
+                  / (self.alien_min_distance_list + self.alien_width))
+
+        row_num = int( (scrren_rect.height - self.alien_min_distance_bottom - self.alien_min_distance_top  \
+                       + self.alien_height) /(self.alien_min_distance_row + self.alien_height))
+        if 4 < row_num:
+            row_num = 4
+        # row_num -= 2
+        alien_num['list_num'] = list_num
+        alien_num['row_num'] = row_num
+        return alien_num
 
-    def set_alien_info_default(self, aliens):
+    def set_alien_info_default(self, aliens, alien_num):
         """设置外星人属性"""
-        num = 1
+        row_num = 1
+        list_num = 1
         for alien in aliens:
 
             rect = alien.get_rect()
             alien_width = alien.get_width()
-            # alien_height = alien.get_height()
-            rect.y = self.alien_min_distance_bottom
-            rect.x = self.alien_min_distance_wall + (num - 1) * (alien_width + self.alien_min_distance_alien)
+            alien_height = alien.get_height()
+            rect.y = self.alien_min_distance_bottom + (row_num - 1) * (alien_height + self.alien_min_distance_row)
+            rect.x = self.alien_min_distance_wall + (list_num - 1) * (alien_width + self.alien_min_distance_list)
             alien.set_rect(rect)
-            num += 1
+
+            list_num += 1
+            if list_num > alien_num['list_num']:
+                print list_num
+                print row_num
+                list_num = 1
+                row_num += 1
 
         return True
