save project

snake.py

@@ -21,20 +21,35 @@ while True:
         if event.type == locals.QUIT:
             # 接收到退出事件后退出程序
             exit()
-    x +=30
-    position.
-    position.pop()
+        elif event.type == locals.KEYDOWN:
+            if event.key ==locals.K_RIGHT and setheading !="left":
+                setheading ='rignt'
+                snake_head = rignt 
+            if event.key ==locals.K_LEFT and setheading !="right":
+                setheading ='left'
+                snake_head = left
+            if event.key ==locals.K_UP and setheading !="down":
+                setheading ='up'
+                snake_head = up
+            if event.key ==locals.K_DOWN and setheading !="up":
+                setheading ='down'
+                snake_head = down
+        if setheading == "right"
+            x+=30
+        elif setheading == "left"
+            x-=30
+        elif setheading == "up"
+            y-=30
+        elif setheading =="down"
+            y+=30
+    position.len(x,y)
+    position.pop(0)
+
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(ringt,position[-1])
     for i in range(len(position)-1):
         screen.blit(body,position[i])
-    # 将贪吃蛇画上去
-    screen.blit(right, (x, y))
-    # 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
     screen.blit(food, (360, 300))
     # 刷新画面