fix camp weiredness (#3941)

lib/utils/clamp_path.py

@@ -131,8 +131,7 @@ def clamp_path_to_polygon(path, polygon):
             # The second part of this or condition checks whether part of the
             # path was removed by difference() above, because it coincided
             # with part of the shape border.
-            if not was_inside or last_point_inside.distance(start) > 0.01:
-                if last_point_inside is not None:
+            if not was_inside and last_point_inside is not None:
                 # We traveled outside or on the border of the shape for
                 # a while.  In either case, we need to add a path along the
                 # border between the exiting and entering points.