Bit of Thursday fun.....

[DT2]

Blockly Demo: Maze

 

Be interesting to see people's code once they've done it too.

 

DT

[sonofsanta]

You git... I have stuff to do today but I am determined to solve this in an elegant way.

 

I will be back shortly.

[DT2]

I thought you'd like it

[Sephiroth]

You git...

 

I second that motion.

[TechMonkey]

Grrr, the loop keeps catching me. I can make it so I avoid it but only by pre-knowledge of the T-junction so default to the correct direction.

[JJonas]

done it will all purple statements, not elegant but it works

[tom_newton]

Can be solved "always turns left"...

[Pyroman]

i get to the flag and he does a little shake and then nothing?

[teejay]

Solved with one repeat forever loop and one if then else. Toms thing about turning left is an important clue:p

[Devontechie]

i get to the flag and he does a little shake and then nothing?

 

Yeah I get the same!

[tom_newton]

http://www.cuckoosegg.com/maze.png

 

*SPOILER*

[tom_newton]

i get to the flag and he does a little shake and then nothing?

 

That's the idea - you win

[Pyroman]

That's the idea - you win

 

Ah cool, i just expected it to move to another level.

[sparkeh]

Solved with one repeat forever loop and one if then else. Toms thing about turning left is an important clue:p

Same here, awesome little diversion

[sparkeh]

http://www.cuckoosegg.com/maze.png

 

*SPOILER*

Slightly different solution for me: https://docs.google.com/open?id=0B8CqsOJQhM-Ed0pSNzV3UVpucDA

[tom_newton]

Slightly different solution for me: https://docs.google.com/open?id=0B8CqsOJQhM-Ed0pSNzV3UVpucDA

 

Does that work if you change left for right in both cases?

[sonofsanta]

Slightly different solution for me: https://docs.google.com/open?id=0B8CqsOJQhM-Ed0pSNzV3UVpucDA

 

Oh for... didn't know you could change the "wall ahead" to "wall on the left", I kept having my bloke turn left to check

[mac_shinobi]

*** SPOILER *****

 

This is how I did it , more then likely a messy way of doing it but it seemed to work

 

Repeat While Not wall ahead

Do Move Forward

+ If not wall to the right then

turn right

turn right

+ if not wall to the left then

turn left

Move Forward

 

Tried to upload a screen grab but wouldn't let me

[mac_shinobi]

Slightly different solution for me: https://docs.google.com/open?id=0B8CqsOJQhM-Ed0pSNzV3UVpucDA

 

That's a lot more elegant than my solution - sigh * grumble grumble *

 

I couldn't get your solution to work but I did get the Else bit ( clicking the plus symbol ) DOH

Edited June 14, 2012 by mac_shinobi

[tom_newton]

Oh for... didn't know you could change the "wall ahead" to "wall on the left", I kept having my bloke turn left to check

 

Yeah, @OB1 did that

[sonofsanta]

Done it now, so much easier when you know all the commands available to you... *grumble*

 

 

Which is pretty much the same as Tom's, but with the evil of a nested if. sparkeh's looks neatest so far, I reckons.

 

And no I have not just been doing this all morning although I am clearly out of practice at my algorithms.

Edited June 14, 2012 by sonofsanta
split subject/verb! the horror

[apeo]

Heres how i did it:

 

Repeat forever

--if not wall ahead

----move forward

----turn left

--else

----turn right

--end if

end do

 

I didnt know you can change the wall ahead LOL

[DT2]

Here's mine... little different but it works....

[apeo]

@DT2 Nice.. Little man goes straight there.

[TechMonkey]

My issue was I could make a script so he got to the end but hypothetically if the map was reversed he would get caught in the loop. So would these answers still work if you were given a mystery map, especially if you think about the island problem with wall following. Or am I over thinking the problem as usual?