X-Git-Url: https://git.jsancho.org/?p=dungeon-master.git;a=blobdiff_plain;f=dungeon-master%2Fgeom%2Fbowyer-watson.scm;h=7283b6fc46b48a5c632689353b2ec883a30c3559;hp=e8b9ea5a19998d9f53f0263a8751a143670b55a9;hb=35202c3698d8858b4d81347253e23fe6d4a01bef;hpb=695ecf94f5bb10ced4e66b0b4d036de9965c02ca

diff --git a/dungeon-master/geom/bowyer-watson.scm b/dungeon-master/geom/bowyer-watson.scm
index e8b9ea5..7283b6f 100644
--- a/dungeon-master/geom/bowyer-watson.scm
+++ b/dungeon-master/geom/bowyer-watson.scm
@@ -6,7 +6,10 @@
   #:use-module (dungeon-master geom triangle)
   #:export (bowyer-watson))
 
-"Compute the Delaunay triangulation using Bowyer–Watson algorithm"
+"
+Compute the Delaunay triangulation using Bowyer–Watson algorithm
+https://en.wikipedia.org/wiki/Bowyer-Watson_algorithm
+"
 
 (define (bowyer-watson vertices)
   (receive (minx miny maxx maxy)
@@ -18,7 +21,7 @@
       (let ((frame (list c1 c2 c3 c4)))
         (receive (points triangles)
             (calculate-triangulation
-             (list c1 c2 c3 c4)
+             (list c4 c3 c2 c1)
              (list (make-triangle c1 c2 c3)
                    (make-triangle c2 c3 c4))
              vertices)