refactor

src/maze/_impl/_mz_square_initialize.scad

@@ -19,19 +19,18 @@ function _mz_mask(mask) =
         columns = len(mask[0])
     )
     [
-        for(y = [0:rows - 1])
+        for(y = [0:rows - 1], x = [0:columns - 1])
-            for(x = [0:columns - 1])
+            mask[rows - y - 1][x] == 0 ?
-                mask[rows - y - 1][x] == 0 ?
+                cell(
-                    cell(
+                    x, y, 						
-                        x, y, 						
+                    4, // mask
-                        4, // mask
+                    true // visited
-                        true // visited
+                )
-                    )
+                :
-                    :
+                cell(
-                    cell(
+                    x, y, 
-                        x, y, 
+                    // all cells have top and right walls
-                        // all cells have top and right walls
+                    3, // unvisited
-                        3, // unvisited
+                    false 
-                        false 
+                )
-                    )
     ];

src/maze/_impl/_mz_theta_cells.scad

@@ -104,8 +104,7 @@ function config_nbrs(maze) =
 			]
 		],
 		cell_outwards_lt = [
-			for(row = mz_empty_outs)
+			for(row = mz_empty_outs, c = row)
-				for(c = row)
 				let(
 					ri = get_ri(c),
 					ci = get_ci(c),