Lua简单的IO交互和迷宫代码

1 function room1 ()
2 print("in room1")
3 local move = io.read()
4 if move == "south" then
5 return room3()
6 elseif move == "east" then
7 return room2()
8 else
9 print("invalid move")
10 return room1() -- stay in the same room
11 end
12 end
13
14 function room2 ()
15 print("in room2")
16 local move = io.read()
17 if move == "south" then
18 return room4()
19 elseif move == "west" then
20 return room1()
21 else
22 print("invalid move")
23 return room2()
24 end
25 end
26
27 function room3 ()
28 print("in room3")
29 local move = io.read()
30 if move == "north" then
31 return room1()
32 elseif move == "east" then
33 return room4()
34 else
35 print("invalid move")
36 return room3()
37 end
38 end
39
40 function room4 ()
41
42 print("in room4")
43 print("congratilations!")
44 end
45
46 room1()