From ce257f859b29ea2afc4edd2770592ae1a0138833 Mon Sep 17 00:00:00 2001
From: Justin Lin <justin.sdk@gmail.com>
Date: Sat, 27 Aug 2022 17:31:36 +0800
Subject: [PATCH] add directions param

---
 src/maze/mz_square.scad | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/src/maze/mz_square.scad b/src/maze/mz_square.scad
index 62066d24..9d9654c8 100644
--- a/src/maze/mz_square.scad
+++ b/src/maze/mz_square.scad
@@ -11,11 +11,10 @@
 use <_impl/_mz_square_cells_impl.scad>
 use <mz_square_initialize.scad>
 
-function mz_square(rows, columns, start = [0, 0], init_cells, x_wrapping = false, y_wrapping = false, seed) = 
+function mz_square(rows, columns, start = [0, 0], init_cells, x_wrapping = false, y_wrapping = false, seed, directions) = 
     let(
         init_undef = is_undef(init_cells),
-        mz = init_undef ? mz_square_initialize(rows, columns) : init_cells,
-        directions = function(x, y, cells, seed) rand_dirs(x, y, cells, seed)
+        mz = init_undef ? mz_square_initialize(rows, columns) : init_cells
     )
     go_maze( 
         start.x, 
@@ -26,5 +25,5 @@ function mz_square(rows, columns, start = [0, 0], init_cells, x_wrapping = false
         x_wrapping, 
         y_wrapping, 
         seed,
-        directions
+        is_undef(directions) ? function(x, y, cells, seed) rand_dirs(x, y, cells, seed) : directions
     );