3D-printing/OrcaSlicer
1
0
Fork 0
mirror of https://github.com/SoftFever/OrcaSlicer.git synced 2025-07-12 09:17:52 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions 2

Camera refactored to use quaternions primarily for processing

Browse source 
rotations due to numerical reasons (no need for normalization
and orthogonalization of the rotation matrix).
This commit is contained in:
bubnikv 2020-02-28 13:29:05 +01:00
parent dff9af20a4
commit b6068b6278
2 changed files with 26 additions and 57 deletions
Download patch file Download diff file Expand all files Collapse all files

7
src/slic3r/GUI/Camera.hpp
View file

@ -43,6 +43,8 @@ private:
mutable std::array<int, 4> m_viewport;
mutable Transform3d m_view_matrix;
// We are calculating the rotation part of the m_view_matrix from m_view_rotation.
mutable Eigen::Quaterniond m_view_rotation;
mutable Transform3d m_projection_matrix;
mutable std::pair<double, double> m_frustrum_zs;
@ -107,7 +109,7 @@ public:
#endif // ENABLE_CAMERA_STATISTICS
// translate the camera in world space
void translate_world(const Vec3d& displacement);
void translate_world(const Vec3d& displacement) { this->set_target(m_target + displacement); }
// rotate the camera on a sphere having center == m_target and radius == m_distance
// using the given variations of spherical coordinates
@ -117,9 +119,6 @@ public:
// rotate the camera around three axes parallel to the camera local axes and passing through m_target
void rotate_local_around_target(const Vec3d& rotation_rad);
// rotate the camera around three axes parallel to the camera local axes and passing through the given pivot point
void rotate_local_around_pivot(const Vec3d& rotation_rad, const Vec3d& pivot);
// returns true if the camera z axis (forward) is pointing in the negative direction of the world z axis
bool is_looking_downward() const { return get_dir_forward().dot(Vec3d::UnitZ()) < 0.0; }