Adding ship and settings

alien_invasion.py

@@ -3,6 +3,7 @@ import sys
 import pygame
 
 from settings import Settings
+from ship import Ship
 
 class AlienInvasion:
     """Overall class to manage game assets and behaviour."""
@@ -15,6 +16,8 @@ class AlienInvasion:
         self.screen = pygame.display.set_mode((self.settings.screen_witdh, self.settings.screen_heigh))
         pygame.display.set.caption("Alien Invasion")
 
+        self.ship = Ship(self)
+
         # Set the background color.
         self.bg_color = (230, 230, 230)
 
@@ -28,6 +31,7 @@ class AlienInvasion:
 
             # Redraw the screen during each  pass through the loop.
             self.screen.fill(self.settings.bg_color)
+            self.ship.blitme()
 
             # Make the most recently drawn screen visible.
             pygame.display.flip()

ship.py

@@ -0,0 +1,21 @@
+import pygame
+
+class Ship:
+    """A class to manage the ship"""
+
+    def __init__(self, ai_game):
+        """Initialize the ship and set its starting position"""
+        self.screen = ai_game.screen
+        self.screen_rect = ai_game.screen.get_rect()
+
+        # Load the ship  image and get its rect.
+        self.image =  pygame.image.load('images/ship.bmp')
+        self.rect = self.image.get_rect()
+
+        # Start each new ship at the bottom center of the screen.
+        self.rect.midbottom = self.screen_rect.midbottom
+
+    def blitme(self):
+        """Draw the ship at its current location"""
+        self.screen.blit(self.image, self.rect)
+