Maze generation: Difference between revisions

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 newneighbour: function [pos][
 	nnbs: collect [
-		if all [pos/x > 0 not visited? p1: pos - 1x0] [keep p1]
+		if all [pos/x > 0 not visited? p: pos - 1x0] [keep p]
-		if all [pos/x < (size/x - 1) not visited? p2: pos + 1x0] [keep p2]
+		if all [pos/x < (size/x - 1) not visited? p: pos + 1x0] [keep p]
-		if all [pos/y > 0 not visited? p3: pos - 0x1] [keep p3]
+		if all [pos/y > 0 not visited? p: pos - 0x1] [keep p]
-		if all [pos/y < (size/y - 1) not visited? p4: pos + 0x1] [keep p4]
+		if all [pos/y < (size/y - 1) not visited? p: pos + 0x1] [keep p]
 	]
 	pick nnbs random length? nnbs