auto save

snake.py

@@ -3,30 +3,62 @@ from pygame import locals
 
 # 初始化pygame，为使用硬件做准备
 pygame.init()
+x,y=240,120
+pc = [(180,90),(180,120),(210,120),(x,y)]
+
 
-# 创建一个窗口
-screen = pygame.display.set_mode((660, 480))
 
+# 创建一个窗口
+screen = pygame.display.set_mode((720,540))
+fps = pygame.time.Clock()
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
+left = pygame.image.load('left.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 
+sn = right
+set_h = "r"
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
+        if event.type == locals.KEYDOWN:
+            if event.type == locals.K_RIGHT and set_h != "l":
+                set_h = 'r'
+                sn = right
+            if event.type == locals.K_LEFT and set_h != "r":
+                set_h = 'l'
+                sn = left
+            if event.type == locals.K_UP and set_h != "d":
+                set_h = 'u'
+                sn = up
+            if event.type == locals.K_DOWN and set_h != "u":
+                set_h = 'd'
+                sn = down
+    if set_h == "r":
+        x+=30
+    elif set_h == "l":
+        x-=30
+    elif set_h == "u":
+        y-=30
+    else:
+        y+=30    
+    pc.append((x,y))
+    pc.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (240, 120))
+    screen.blit(sn, pc[-1])
     # 将贪吃蛇的身体画上去
-    screen.blit(body, (210, 120))
-    screen.blit(body, (180, 120))
-    screen.blit(body, (180, 90))
+    for i in range(len(pc)-1):
+        screen.blit(body, pc[i])
     # 将果实画上去
     screen.blit(food, (360, 300))
     # 刷新画面
-    pygame.display.update()
\ No newline at end of file
+    pygame.display.update()
+    fps.tick(20)
\ No newline at end of file