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Adaptive perspective camera frustrum

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This commit is contained in:
Enrico Turri 2019-06-24 09:38:46 +02:00
parent e5be8adadf
commit 8b3d88bc0a
3 changed files with 99 additions and 18 deletions
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12
src/slic3r/GUI/Camera.hpp
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@ -12,6 +12,8 @@ struct Camera
static const double DefaultDistance;
static double FrustrumMinZSize;
static double FrustrumZMargin;
static double FovMinDeg;
static double FovMaxDeg;
enum EType : unsigned char
{
@ -31,7 +33,8 @@ private:
float m_theta;
double m_zoom;
// Distance between camera position and camera target measured along the camera Z axis
double m_distance;
mutable double m_distance;
mutable double m_gui_scale;
mutable std::array<int, 4> m_viewport;
mutable Transform3d m_view_matrix;
@ -52,13 +55,14 @@ public:
const Vec3d& get_target() const { return m_target; }
void set_target(const Vec3d& target);
double get_distance() const { return m_distance; }
double get_gui_scale() const { return m_gui_scale; }
float get_theta() const { return m_theta; }
void set_theta(float theta, bool apply_limit);
double get_zoom() const { return m_zoom; }
void set_zoom(double zoom, const BoundingBoxf3& max_box, int canvas_w, int canvas_h);
// this method does not check if the given zoom is valid, use instead the other set_zoom() method
// called only by: void GLCanvas3D::update_ui_from_settings()
void set_zoom(double zoom) { m_zoom = zoom; }
const BoundingBoxf3& get_scene_box() const { return m_scene_box; }
@ -79,6 +83,8 @@ public:
double get_near_z() const { return m_frustrum_zs.first; }
double get_far_z() const { return m_frustrum_zs.second; }
double get_fov() const;
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;