auto save

snake.py

@@ -12,21 +12,60 @@ background = pygame.image.load('bg.png')
 right = pygame.image.load('right.png')
 food = pygame.image.load('apple.png')
 body = pygame.image.load('body.png')
+left =pygame.image.load('left.png')
+up =pygame.image.load('up.png')
+down =pygame.image.load('down.png')
+
+
+x,y=240,120
+position=[(180,90),(180,120),(210,120),(x,y)]
+
+setheading="right"
+snake_head=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 setheading !="left"
+                setheading='right'
+                snake_head=right
+            if event.key==locals.K_RIGHT and setheading !="right"
+                setheading='left'
+                snake_head=left
+            if event.key==locals.K_RIGHT and setheading !="down"
+                setheading='up'
+                snake_head=up
+            if event.key==locals.K_RIGHT and setheading !="up"
+                setheading='down'
+                snake_head=down
+    # 设置贪吃蛇的头部坐标
+    if setheading=="right":
+        x+=30
+    elif setheading =="left":
+        x-=30
+    elif setheading=="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(right, 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))
+    for i in range(len(position)-1):
+        scren.blit(body,position[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()
+    FPSCLOCK.tick(3)
+    
\ No newline at end of file