From 60d6b13f6316eae652795abd1648426ad531981f Mon Sep 17 00:00:00 2001
From: Yoni Chechik <chechik.yoni@gmail.com>
Date: Tue, 17 May 2022 17:11:18 +0300
Subject: [PATCH] bugfix: next_pixel_in_line

should be "-" instead of "+" for correct calculation of next pixel in "else" case
---
 src/rs.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/rs.cpp b/src/rs.cpp
index b343018653..e92b3bca0a 100644
--- a/src/rs.cpp
+++ b/src/rs.cpp
@@ -3707,7 +3707,7 @@ void next_pixel_in_line(float curr[2], const float start[2], const float end[2])
     else
     {
         curr[1] = end[1] > curr[1] ? curr[1] + 1 : curr[1] - 1;
-        curr[0] = end[0] - ((end[1] + curr[1]) / line_slope);
+        curr[0] = end[0] - ((end[1] - curr[1]) / line_slope);
     }
 }