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Posted 2004-09-18, 01:12 PM in reply to Demosthenes's post "Need a little help"
If you give the mouse a "facing" direction (say, north = 0, west = 1, etc) then you can do something like the following:

Code:
"Feel" the wall to the left of the mouse, depending on his direction
IF (WallIsThere == false)
{
   Rotate Counter-Clockwise
   Move Forward
}
ELSE
{
    Check in front of the mouse
    IF (WallInFront == false)
    {
         Move Forward
    }
    ELSE
    {
         Rotate Couter-Clockwise
    }

}
Anytime you call the "Move Forward" function, you toggle the current floor marker (. or +), then move your ghosted mouse to the next tile. This will "clear" the marker if you hit a dead end. The mouse will try all possible places (luckily there are no loops..).

Of course, you'll probably end up with diagonals where the mouse tested a dead-end. In your example, here's the output:

Code:
# # # # # # # # # #
# . # M + . # . . # 
# . # # + # # # . #
# . . . + + . . . #
# # # # . # + # # #
# . . . . # + # C #
# # # # # # + # + #
# . # . . . + # + #
# . . . # . + + + #
# # # # # # # # # #
This is easy to fix. Just scan the entire maze for "." tiles, and check the tiles surrounding it in the four compass directions. If you get 2 "+"'s, add a "+" to that period tile.

I'm going to run this in my head a few times to see if I can spot any errors in my logic..

Last edited by BlueCube; 2004-09-18 at 01:15 PM.
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