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Tighter camera frustrum to reduce z-fighting

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This commit is contained in:
Enrico Turri 2019-06-14 10:38:09 +02:00
parent a99466ef1d
commit 1a91add2e6
9 changed files with 123 additions and 71 deletions
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9
src/slic3r/GUI/Camera.hpp
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@ -10,6 +10,8 @@ namespace GUI {
struct Camera
{
static const float DefaultDistance;
static double FrustrumMinZSize;
static double FrustrumZMargin;
enum EType : unsigned char
{
@ -34,6 +36,7 @@ private:
mutable std::array<int, 4> m_viewport;
mutable Transform3d m_view_matrix;
mutable Transform3d m_projection_matrix;
mutable std::pair<double, double> m_frustrum_zs;
BoundingBoxf3 m_scene_box;
@ -63,6 +66,9 @@ public:
Vec3d get_position() const { return m_view_matrix.matrix().inverse().block(0, 3, 3, 1); }
double get_near_z() const { return m_frustrum_zs.first; }
double get_far_z() const { return m_frustrum_zs.second; }
void apply_viewport(int x, int y, unsigned int w, unsigned int h) const;
void apply_view_matrix() const;
void apply_projection(const BoundingBoxf3& box) const;
@ -73,6 +79,9 @@ public:
private:
void apply_ortho_projection(double x_min, double x_max, double y_min, double y_max, double z_min, double z_max) const;
// returns tight values for nearZ and farZ plane around the given bounding box
// the camera MUST be outside of the bounding box in eye coordinate of the given box
std::pair<double, double> calc_tight_frustrum_zs_around(const BoundingBoxf3& box) const;
};
} // GUI