save project

snake.py

@@ -7,7 +7,7 @@ pygame.init()
 
 # 创建一个窗口
 FPSCLOCK=pygame.time.Clock()
-screen = pygame.display.set_mode((660, 480))
+muffin = pygame.display.set_mode((660, 480))
 
 # 背景
 background = pygame.image.load('bg.png')
@@ -15,6 +15,7 @@ right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 x, y = 240, 120
+muffinb = [(180,90), (180,120), (210,120), (x, y)]
 while True:
     for event in pygame.event.get():
         if event.type == locals.QUIT:
@@ -22,16 +23,17 @@ while True:
             exit()
     # 将背景图画上去
     x += 30
-    screen.blit(background, (0, 0))
-
+    muffinb.append((x, y))
+    muffinb.pop(0)
+    muffin.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (x, y))
+    muffin.blit(right, muffinb[-1])
+    for i in range(len(muffinb)-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))
+        muffin.blit(body, muffinb[i])
+    
     # 将果实画上去
-    screen.blit(food, (360, 300))
+    muffin.blit(food, (360, 300))
     # 刷新画面
     pygame.display.update()
     FPSCLOCK.tick(3)
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