From b47355a325800d4418a4b924637cc95253f58a71 Mon Sep 17 00:00:00 2001
From: Enrico Turri <enricoturri@seznam.cz>
Date: Tue, 29 Jan 2019 12:05:49 +0100
Subject: [PATCH] Added limit to zoom in

---
 src/slic3r/GUI/GLCanvas3D.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/slic3r/GUI/GLCanvas3D.cpp b/src/slic3r/GUI/GLCanvas3D.cpp
index 7366516d1..5828c0e89 100644
--- a/src/slic3r/GUI/GLCanvas3D.cpp
+++ b/src/slic3r/GUI/GLCanvas3D.cpp
@@ -5951,6 +5951,9 @@ void GLCanvas3D::set_camera_zoom(float zoom)
     if (zoom_min > 0.0f)
         zoom = std::max(zoom, zoom_min * 0.7f);
 
+    // Don't allow to zoom too close to the scene.
+    zoom = std::min(zoom, 100.0f);
+
     m_camera.zoom = zoom;
     viewport_changed();
     _refresh_if_shown_on_screen();