save project

snake.py

@@ -52,6 +52,7 @@ while True:
     else:
     else:
         y += 30
         y += 30
     position.append((x, y))
     position.append((x, y))
+    position.pop(0)
     # 将背景图画上去.
     # 将背景图画上去.
     screen.blit(background, (0, 0))
     screen.blit(background, (0, 0))
     if x ==apple_x and y==apple_y:
     if x ==apple_x and y==apple_y:
@@ -60,7 +61,7 @@ while True:
         apple_x=num1*30
         apple_x=num1*30
         apple_y=num2*30
         apple_y=num2*30
     else:
     else:
-        snakeList.pop(0)
+        position.pop(0)
     # 将贪吃蛇的头画上去
     # 将贪吃蛇的头画上去
     screen.blit(snake_head, position[-1])
     screen.blit(snake_head, position[-1])
     # 将贪吃蛇的身体画上去
     # 将贪吃蛇的身体画上去