From d59dbfef54e4cfcdba4b323d854ec9db2e5bd587 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20Tschumperl=C3=A9?= <david.tschumperle@gmail.com>
Date: Thu, 21 Jun 2018 16:27:33 +0200
Subject: [PATCH] .

---
 CImg.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CImg.h b/CImg.h
index 788f4c1..3b65685 100644
--- a/CImg.h
+++ b/CImg.h
@@ -47489,7 +47489,7 @@ namespace cimg_library_suffixed {
               pose3d.draw_image(CImg<floatT>::rotation_matrix(u,v,w,-alpha)*pose3d.get_crop(0,0,2,2));
               view3d.assign();
             } else if (disp.button()&2 && pose3d && oY3d!=Y3d) {  // Right button: zoom.
-              pose3d(3,2)+=(oY3d - Y3d)*1.5f; view3d.assign();
+              pose3d(3,2)+=(Y3d - oY3d)*1.5f; view3d.assign();
             }
             if (disp.wheel()) { // Wheel: zoom
               pose3d(3,2)-=disp.wheel()*15; view3d.assign(); disp.set_wheel();
-- 
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