[学习内容]外星人入侵项目实践

MingMingWu · MingMingWu · commit d28691ee995d · 2017-05-17T00:52:40.000+08:00
１．创建游戏窗口
２．创建飞船类和方法
３．初始化游戏
diff --git a/alien_invasion.py b/alien_invasion.py
@@ -0,0 +1,42 @@
+#coding: utf-8
+
+
+import sys
+import pygame
+from settings import Settings
+from ship import Ship
+
+
+def run_game():
+    """初始化游戏并创建一个屏幕对象"""
+    pygame.init()
+    ai_settings = Settings()
+    scrren = pygame.display.set_mode((ai_settings.scrren_width, ai_settings.scrren_height))
+    pygame.display.set_caption("Alien Invasion")
+
+#   设置背景颜色
+    bg_color = (230, 230, 230)
+
+#   创建一艘飞船
+    ship = Ship(scrren)
+
+#   开始游戏的主循环
+    while True:
+
+#         监视键盘和鼠标事件
+        for event in pygame.event.get():
+            if event.type == pygame.QUIT:
+                sys.exit()
+
+#       每次循环时都重绘屏幕
+        scrren.fill(ai_settings.bg_color)
+        ship.blitme()
+
+#       让最近绘图的屏幕可见
+        pygame.display.flip()
+
+
+print run_game.__doc__
+run_game()
+
+
diff --git a/settings.py b/settings.py
@@ -0,0 +1,15 @@
+# coding: utf-8
+
+
+class Settings():
+    """存储《外星人入侵》的所有设置的类"""
+
+    def __init__(self):
+        """初始化游戏设置"""
+
+#       屏幕设置
+        self.scrren_width = 1200
+        self.scrren_height = 800
+        self.bg_color = (100, 100, 100)
+
+
diff --git a/ship.png b/ship.png
diff --git a/ship.py b/ship.py
@@ -0,0 +1,22 @@
+# coding: utf-8
+
+import pygame
+
+
+class Ship():
+
+    def __init__(self, scrren):
+        """初始化飞船并设置其初始位置"""
+        self.scrren = scrren
+        self.image = pygame.image.load('ship.png')
+        self.rect = self.image.get_rect()
+        self.scrren_rect = scrren.get_rect()
+
+#       将每艘飞船防止在屏幕底部中央
+        self.rect.centerx = self.scrren_rect.centerx
+        self.rect.bottom = self.scrren_rect.bottom
+
+    def blitme(self):
+        """在指定位置放置飞船"""
+        self.scrren.blit(self.image, self.rect)
+
