save project

snake.py

@@ -9,40 +9,53 @@ screen = pygame.display.set_mode((660, 480))
 FPSCLOCK = pygame.time.Clock()#'''pygame时钟,控制游戏速度''' and
 background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
-right = pygame.image.load('right.png')
-right = pygame.image.load('right.png')
-right = pygame.image.load('right.png')
+up = pygame.image.load('up.png')
+down = pygame.image.load('down.png')
+left = pygame.image.load('left.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
 x=240
 y=120
 fangxiang="left"
-a=[(180,90),(180,120),(210,120),(x,y),]
+head=left
+a=[(180,90),(180,120),(210,120),(x,y)]
 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.KEYDOWN:
             if event.key == locals.K_UP and fangxiang !="down":
                 fangxiang="up"
-            if event.key == locals.K_UP and fangxiang !="up":
+            if event.key == locals.K_DOWN and fangxiang !="up":
                 fangxiang="down"
-            if event.key == locals.K_UP and fangxiang !="left":
+            if event.key == locals.K_RIGHT and fangxiang !="left":
                 fangxiang="right"
-            if event.key == locals.K_UP and fangxiang !="right":
+            if event.key == locals.K_LEFT and fangxiang !="right":
                 fangxiang="left"
+    if fangxiang=="left":
+        x-=30
+        head=left
+    if fangxiang=="right":
+        x+=30
+        head=right
+    if fangxiang=="up":
+        y-=30
+        head=up
+    if fangxiang=="down":
+        y+=30
+        head=down
+    a.append((x,y))
+    a.pop(0)
     # 将背景图画上去
     screen.blit(background, (0, 0))
     # 将贪吃蛇画上去
-    screen.blit(right, (x, y))
+    screen.blit(head,(x, y))
     for i in range(len(a)-1):
     # 将贪吃蛇的身体画上去
         screen.blit(body,a[i])
 
-    screen.blit(food, (150, ))
+    screen.blit(food, (150,180))
     FPSCLOCK.tick(3)
-    x+=30
-    a.append((x,y))
-    a.pop(0)
+
     pygame.display.update()
\ No newline at end of file