From e123dfa8a447f0c7cadd5611df2c9a71a7b276e1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Luk=C3=A1=C5=A1=20Hejl?= <hejl.lukas@gmail.com>
Date: Tue, 23 Feb 2021 20:07:40 +0100
Subject: [PATCH] Fixed wrong orientation of infill and gap-fill extrusion.

When an island contains exactly one infill ExtrusionEntity, this extrusion was oriented to maximize travel distance from the end of the previous extrusion of perimeters instead of minimizing it.
---
 src/libslic3r/ShortestPath.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/libslic3r/ShortestPath.cpp b/src/libslic3r/ShortestPath.cpp
index df09df956..449ff45b5 100644
--- a/src/libslic3r/ShortestPath.cpp
+++ b/src/libslic3r/ShortestPath.cpp
@@ -75,7 +75,7 @@ std::vector<std::pair<size_t, bool>> chain_segments_greedy_constrained_reversals
 	{
 		// Just sort the end points so that the first point visited is closest to start_near.
 		out.emplace_back(0, could_reverse_func(0) && start_near != nullptr && 
-            (end_point_func(0, true) - *start_near).template cast<double>().squaredNorm() < (end_point_func(0, false) - *start_near).template cast<double>().squaredNorm());
+            (end_point_func(0, false) - *start_near).template cast<double>().squaredNorm() < (end_point_func(0, true) - *start_near).template cast<double>().squaredNorm());
 	} 
 	else
 	{