From: Simon Tatham <anakin@pobox.com>
Date: Wed, 23 Feb 2011 20:05:40 +0000 (+0000)
Subject: Patch from Chris Moore to improve the generality of
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?a=commitdiff_plain;h=1a628aebd8893001bc3a2e9dbc3e2dc7432b08e4;p=sgt-puzzles.git

Patch from Chris Moore to improve the generality of
grid_nearest_edge(), by having it search harder for a better dot to
move to in the first loop.

[originally from svn r9106]
---

diff --git a/grid.c b/grid.c
index dcc384a..1415e61 100644
--- a/grid.c
+++ b/grid.c
@@ -141,13 +141,11 @@ grid_edge *grid_nearest_edge(grid *g, int x, int y)
                 grid_dot *d = f->dots[j];
                 if (d == cur) continue;
                 new_dist = SQ((long)d->x - (long)x) + SQ((long)d->y - (long)y);
-                if (new_dist < dist) {
+                if (new_dist < dist) { /* found closer dot */
                     new = d;
-                    break; /* found closer dot */
+                    dist = new_dist;
                 }
             }
-            if (new != cur)
-                break; /* found closer dot */
         }
 
         if (new == cur) {