Tighter camera frustrum to reduce z-fighting

1 files changed, 5 insertions, 3 deletions

diff --git a/src/slic3r/GUI/3DBed.hpp b/src/slic3r/GUI/3DBed.hpp
index e60cdf94e..79e96fdf0 100644
--- a/src/slic3r/GUI/3DBed.hpp
+++ b/src/slic3r/GUI/3DBed.hpp
@@ -85,7 +85,9 @@ public:
 private:
     EType m_type;
     Pointfs m_shape;
-    BoundingBoxf3 m_bounding_box;
+    mutable BoundingBoxf3 m_bounding_box;
+    mutable BoundingBoxf3 m_extended_bounding_box;
+    mutable bool m_extended_bounding_box_dirty;
     Polygon m_polygon;
     GeometryBuffer m_triangles;
     GeometryBuffer m_gridlines;
@@ -117,7 +119,7 @@ public:
     // Return true if the bed shape changed, so the calee will update the UI.
     bool set_shape(const Pointfs& shape);
 
-    const BoundingBoxf3& get_bounding_box() const { return m_bounding_box; }
+    const BoundingBoxf3& get_bounding_box(bool extended) const { return extended ? m_extended_bounding_box : m_bounding_box; }
     bool contains(const Point& point) const;
     Point point_projection(const Point& point) const;
 
@@ -125,7 +127,7 @@ public:
     void render_axes() const;
 
 private:
-    void calc_bounding_box();
+    void calc_bounding_boxes() const;
     void calc_triangles(const ExPolygon& poly);
     void calc_gridlines(const ExPolygon& poly, const BoundingBox& bed_bbox);
     EType detect_type(const Pointfs& shape) const;