by Synchron, published
You can create a maze with simple numbers:
1 = left,
2 = top,
4 = right,
8 = bottom,
If you want to create a full closed tile its: 1+2+4+8 = 15
Bottom and Left Corner is 1 + 8 = 9 = 09
Openscad needs a simple to parse string, so you had to write numbers with 2 digets ("09"). A new line is startet with "br" for break. Every Line had to be in the same length! Be sure to end your string with a br!
a simple box is: mazestring="03,06,br,09,12,br";
Every Tile has its own walls.so if you make a [4,1] there is one big wall with double wall thickness between the tiles. with [0,1] you make a wall with normal wallthickness.
(You can see the effect in my testmaze in the top left corner. The straight wall at second Position to the bottom has a little edge in the middle. this is because i switched between a richt wall in first osition to left wall in second position)
But not a real derivate.
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Imagine a maze
Write the maze in the digit code
Be sure that every line has the same amount of elements!
Be sure that your last line ends on "br"!