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Code Issues Projects Releases Packages Wiki Activity Actions 3

ENH: zooming at mouse position

Browse source 
https://github.com/bambulab/BambuStudio/issues/1321

Change-Id: Ifa5c2b2931a5d80c3e5e5cc05eda76263a5ac570
This commit is contained in:
liz.li 2023-03-10 11:55:00 +08:00 • committed by Lane.Wei
parent 01bb20e4e1
commit 3f2ee4062b
3 changed files with 25 additions and 2 deletions
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16
src/slic3r/GUI/GLCanvas3D.cpp
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@ -3585,7 +3585,21 @@ void GLCanvas3D::on_mouse_wheel(wxMouseEvent& evt)
#else
double direction_factor = 1.0;
#endif
_update_camera_zoom(direction_factor * (double)evt.GetWheelRotation() / (double)evt.GetWheelDelta());
auto delta = direction_factor * (double)evt.GetWheelRotation() / (double)evt.GetWheelDelta();
if (evt.CmdDown()) {
_update_camera_zoom(delta);
}
else {
auto cnv_size = get_canvas_size();
auto screen_center_3d_pos = _mouse_to_3d({ cnv_size.get_width() * 0.5, cnv_size.get_height() * 0.5 });
auto mouse_3d_pos = _mouse_to_3d({evt.GetX(), evt.GetY()});
Vec3d displacement = mouse_3d_pos - screen_center_3d_pos;
wxGetApp().plater()->get_camera().translate(displacement);
auto origin_zoom = wxGetApp().plater()->get_camera().get_zoom();
_update_camera_zoom(delta);
auto new_zoom = wxGetApp().plater()->get_camera().get_zoom();
wxGetApp().plater()->get_camera().translate((-displacement) / (new_zoom / origin_zoom));
}
}
void GLCanvas3D::on_timer(wxTimerEvent& evt)