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snake.py

@@ -6,27 +6,57 @@ pygame.init()
 
 # 创建一个窗口
 screen = pygame.display.set_mode((660, 480))
-
+FPSCLOCK = pygame.time.Clock()
 # 背景
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
-
+up = pygame.image.load('up.png')
+left = pygame.image.load('left.png')
+down = pygame.image.load('down.png')
+x=240
+y=120
+position = [(180,90),(180,120),(210,120),(x,y)]
+zzz = 'right'
+zaoxing = right
 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.key == locals.K_RIGHT and zzz!="left":
+                zzz = "right"
+                zaoxing = right
+            if event.key == locals.K_LEFT and zzz!="right":
+                zzz = "left"
+                zaoxing = left   
+            if event.key == locals.K_UP and zzz!="down":
+                zzz = "up"
+                zaoxing = up
+            if event.key == locals.K_DOWN and zzz!="up":
+                zzz = "down"
+                zaoxing = down
+    if zzz == "right":
+        x+=30
+    elif zzz == "left":
+        x-=30
+    elif zzz == "up":
+        y-=30
+    else:
+        y+=30
+    position.append((x,y))
+    position.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(zaoxing, position[-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))
     # 将果实画上去
+    for i in range(len(position)-1):
+        screen.blit(body, position[i])
     screen.blit(food, (360, 300))
     # 刷新画面
-    pygame.display.update()
\ No newline at end of file
+    pygame.display.update()
+    FPSCLOCK.tick(3)
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