Maze generation: Difference between revisions

Content added Content deleted

Inline

@@ Line 2,516: / Line 2,516: @@
 [https://easylang.online/apps/_r_maze0.html Run it]
-<syntaxhighlight lang="text">size = 20
+<syntaxhighlight lang="text">
+size = 20
 n = 2 * size + 1
-endpos = n * n - 2
+endpos = n * n - 1
-startpos = n + 1
+startpos = n + 2
 #
 f = 100 / (n - 0.5)
@@ Line 2,527: / Line 2,528: @@
 func show_maze . .
   clear
-  for i range len m[]
+  for i = 1 to len m[]
     if m[i] = 0
-      x = i mod n
+      x = (i - 1) mod n
-      y = i div n
+      y = (i - 1) div n
       color 777
       move x * f - f / 2 y * f - f / 2
@@ Line 2,545: / Line 2,546: @@
   m[pos] = 0
   call show_maze
-  d[] = [ 0 1 2 3 ]
+  d[] = [ 1 2 3 4 ]
-  for i = 3 downto 0
+  for i = 4 downto 1
-    d = random (i + 1)
+    d = random i
     dir = d[d]
     d[d] = d[i]
-    r = pos div n
+    r = (pos - 1) div n
-    c = pos mod n
+    c = (pos - 1) mod n
     posn = pos + 2 * offs[dir]
     if c <> brdc[dir] and r <> brdr[dir] and m[posn] <> 0
@@ Line 2,561: / Line 2,562: @@
 .
 func make_maze . .
-  for i range len m[]
+  for i = 1 to len m[]
     m[i] = 1
   .
@@ Line 2,568: / Line 2,569: @@
 .
 call make_maze
-call show_maze</syntaxhighlight>
+call show_maze
+</syntaxhighlight>
 =={{header|EGL}}==