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Code Issues 155 Wiki Activity

feat(editor): track gizmo turns, lengthens and edits the control vectors, joined tracks keep the tangent

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W turns the track (about its middle or the selected end) and a selection of tracks, the joined tracks follow.
E lengthens the track at its free end: a straight stays straight, an arc keeps its radius, cant and grade.
The gizmo on a control point moves, turns or lengthens the vector; the control point of the track joined
there turns with it, at a switch the vector only slides along the switch. Straight neighbours dragged along
keep their tangents and become straight again when nothing bent them.
This commit is contained in:
maj00r
2026-10-11 12:59:55 +02:00
parent 2beae15390
commit 89678ead3e
8 changed files with 782 additions and 99 deletions
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35
application/editormode.h
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@@ -638,6 +638,36 @@ class editor_mode : public application_mode, private editor_track::observer
glm::dvec3 m_track_pivot{0.0};
glm::mat4 m_track_gizmo{1.0f};
bool m_track_gizmo_using{false};
struct track_gizmo_drag
{
gizmo_operation operation{gizmo_operation::translate};
bool control{false};
double angle{0.0};
int path{-1};
bool atend{true};
std::size_t pieces{1};
std::vector<segment_data> paths;
editor_track::point_ref point;
glm::dvec3 origin{0.0};
glm::dvec3 axis{0.0};
double grabbed{0.0};
double length{0.0};
double stretch{0.0};
std::vector<std::pair<TTrack *, editor_track::point_ref>> partners;
glm::dvec3 fixed{0.0};
std::vector<std::pair<TTrack *, std::vector<int>>> held;
};
track_gizmo_drag m_track_gizmo_drag;
gizmo_operation track_gizmo_operation(TTrack const &Track, bool const Pointmode) const;
glm::mat4 track_gizmo_frame(TTrack const &Track, bool const Pointmode, gizmo_operation const Operation) const;
void track_gizmo_hold();
void track_gizmo_settle();
void track_gizmo_stretch(TTrack &Track, double const Length);
void track_gizmo_control(TTrack &Track, glm::dvec3 Control);
void track_gizmo_begin(TTrack &Track, bool const Pointmode, gizmo_operation const Operation);
void track_gizmo_turn(TTrack &Track, double const Angle);
void track_gizmo_length(TTrack &Track, double Length);
void track_gizmo_end(TTrack &Track);
bool m_track_dirty{false};
std::chrono::steady_clock::time_point m_track_last_commit;
editor_track::state m_track_field_before;
@@ -1204,6 +1234,11 @@ class editor_mode : public application_mode, private editor_track::observer
glm::dvec3 m_track_set_pivot{0.0};
std::vector<std::pair<TTrack *, std::vector<editor_track::joint>>> m_track_set_joints;
bool in_track_set(TTrack const *Track) const;
bool track_set_begin(bool const Rotate);
void track_set_turn(double const Angle);
void track_set_move(glm::dvec3 const &Offset);
void track_set_end();
glm::dvec3 track_set_centre() const;
void track_set_toggle(TTrack &Track);
void track_set_prune();
void start_track_box();