Labelling: Rotation computation improved and commented on

[leo.git] / lab-evolution.c

diff --git a/lab-evolution.c b/lab-evolution.c
index ccf7515f1d3148519d1c3d006594676e1106e47a..197862495d85feae26767a8578b2da4825a4f028 100644 (file)
--- a/lab-evolution.c
+++ b/lab-evolution.c
@@ -692,10 +692,17 @@ static void move_symbol_point(struct placement *p)
 
 static void move_symbol_segment(struct placement *p)
 {
+  struct request_segment *rs = (struct request_segment *) p->request;
   double m = gen_movement_uniform();
-  // CHECK ME
-  p->x += m;
-  p->y += m * ((struct request_segment *) p->request)->slope;
+  if (fabs(rs->x2 - rs->x1) > 0.01)
+  {
+    p->x += m;
+    p->y += m * rs->slope;
+  }
+  else
+  {
+    p->x += m;
+  }
 }
 
 static void hide_segment_labels(struct individual *individual)