Hi, I'm making a maze solver, and I need a script which basically goes “If this sprite is touching either the edge or the maze, make it turn either left, right, up, or down (chosen randomly)”.

I've tried so that when it is touching “edge” or “maze” it changes a variable called “direction” to an integer from 1 to 4 (so either 1,2,3 or 4).
If it's 1 it points up, if 2 it points down, if 3 left, if 4 right. This is inside an “if/else” script, in the “if” field, where the “else” field is “move 10 steps”.

But it doesn't work.

If anybody has a “random left/right/up/down direction” script they are willing to share, please do!

Thanks!

MouseclickHD wrote:

This is inside an “if/else” script, in the “if” field, where the “else” field is “move 10 steps”.

Maybe you could post the scripts here, so it's easier to understnad. Do you mean like

?

I would try to show it easier, but Scratchblocks won't work hmph

MouseclickHD wrote:

Oh okay. You could replace the whole part inside “if” with the point in direction block, that makes it a lot easier. I see one problem with the sensing, because if the sprite touches an object and then changes it's direction, it still touches the object, so it would probably just rotate all the time. Is your maze grid based?
First, you could try

to make sure it goes back to path when touching the walls. To make it a little bit faster you can also use

Because the other block also contains the direction it already had before, but it should rather try the other three directions.

this thread is handy, thank you for asking and getting answered!

This is the most simple way to do it in all directions: