before abolish oee_edgemap in favour of something weirder

[moebius2.git] / mgraph.c

diff --git a/mgraph.c b/mgraph.c
index 222bd094a92be74d70a52a6b0b05606a2a0b337c..19bb4ba2afbbafaa803e328e7e93d848a1ca1494 100644 (file)
--- a/mgraph.c
+++ b/mgraph.c
@@ -4,9 +4,8 @@
 
 #include "mgraph.h"
 
-static const unsigned dx[V6]= {   0,  +1,  -1,  +1,  -1,   0  },
-                      dy[V6]= { +Y1, +Y1,   0,   0, -Y1, -Y1  };
-
+static const unsigned dx[V6]= {  +1,  +1,   0,  -1,  -1,   0  },
+                      dy[V6]= {   0, +Y1, +Y1,   0, -Y1, -Y1  };
 
 int edge_end2(unsigned v1, int e) {
   /* The topology is equivalent to that of a square lattice with only
@@ -14,10 +13,10 @@ int edge_end2(unsigned v1, int e) {
    * lattice to make the lines of constant x vertical.  This gives
    * these six directions:
    *
-   *                0  1
+   *                2  1
    *                | /
    *                |/
-   *             2--*--3
+   *             3--*--0
    *              /|
    *             / |
    *            4  5