From 27d29090d8ea626226af92e5a626b3d261ce5d59 Mon Sep 17 00:00:00 2001
From: Eugene Sandulenko
Date: Sun, 24 Jul 2016 23:59:59 +0300
Subject: FULLPIPE: Clarified MovGraph::calcDistance() implementation

---
 engines/fullpipe/motion.cpp | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/engines/fullpipe/motion.cpp b/engines/fullpipe/motion.cpp
index baea2e28bd..47cf52417b 100644
--- a/engines/fullpipe/motion.cpp
+++ b/engines/fullpipe/motion.cpp
@@ -1289,11 +1289,11 @@ double MovGraph::calcDistance(Common::Point *point, MovGraphLink *link, int fuzz
 	int n2x = link->_graphDst->_x;
 	int n2y = link->_graphDst->_y;
 	double dist1x = (double)(point->x - n1x);
-	double dist1y = (double)(n1y - point->y);
+	double dist1y = (double)(point->y - n1y);
 	double dist2x = (double)(n2x - n1x);
 	double dist2y = (double)(n2y - n1y);
-	double dist1 = sqrt(dist1y * dist1y + dist1x * dist1x);
-	double dist2 = ((double)(n1y - n2y) * dist1y + dist2x * dist1x) / link->_length / dist1;
+	double dist1 = sqrt(dist1x * dist1x + dist1y * dist1y);
+	double dist2 = (dist2y * dist1y + dist2x * dist1x) / link->_length / dist1;
 	double distm = dist2 * dist1;
 	double res = sqrt(1.0 - dist2 * dist2) * dist1;
 
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