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Camera rotate around current plate center if plate is empty (#8912)

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* Camera rotate around current plate center if plate is empty (SoftFever/OrcaSlicer#8856)

* Don't expand plate bounding box when camera rotating
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Noisyfox 2025-04-05 23:23:26 +08:00 • committed by GitHub
parent ecd91bcf01
commit 1fd21371b1
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GPG key ID: B5690EEEBB952194
1 changed files with 18 additions and 8 deletions
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26
src/slic3r/GUI/GLCanvas3D.cpp
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@ -1550,12 +1550,15 @@ BoundingBoxf3 GLCanvas3D::volumes_bounding_box(bool current_plate_only) const
BoundingBoxf3 expand_part_plate_list_box;
bool is_limit = m_canvas_type != ECanvasType::CanvasAssembleView;
if (is_limit) {
auto plate_list_box = current_plate_only ? wxGetApp().plater()->get_partplate_list().get_curr_plate()->get_bounding_box() :
wxGetApp().plater()->get_partplate_list().get_bounding_box();
auto horizontal_radius = 0.5 * sqrt(std::pow(plate_list_box.min[0] - plate_list_box.max[0], 2) + std::pow(plate_list_box.min[1] - plate_list_box.max[1], 2));
const float scale = 2;
expand_part_plate_list_box.merge(plate_list_box.min - scale * Vec3d(horizontal_radius, horizontal_radius, 0));
expand_part_plate_list_box.merge(plate_list_box.max + scale * Vec3d(horizontal_radius, horizontal_radius, 0));
if (current_plate_only) {
expand_part_plate_list_box = wxGetApp().plater()->get_partplate_list().get_curr_plate()->get_bounding_box();
} else {
auto plate_list_box = wxGetApp().plater()->get_partplate_list().get_bounding_box();
auto horizontal_radius = 0.5 * sqrt(std::pow(plate_list_box.min[0] - plate_list_box.max[0], 2) + std::pow(plate_list_box.min[1] - plate_list_box.max[1], 2));
const float scale = 2;
expand_part_plate_list_box.merge(plate_list_box.min - scale * Vec3d(horizontal_radius, horizontal_radius, 0));
expand_part_plate_list_box.merge(plate_list_box.max + scale * Vec3d(horizontal_radius, horizontal_radius, 0));
}
}
for (const GLVolume *volume : m_volumes.volumes) {
if (!m_apply_zoom_to_volumes_filter || ((volume != nullptr) && volume->zoom_to_volumes)) {
@ -4358,8 +4361,15 @@ void GLCanvas3D::on_mouse(wxMouseEvent& evt)
else {
if (!m_selection.is_empty())
rotate_target = m_selection.get_bounding_box().center();
else
rotate_target = volumes_bounding_box(true).center();
else {
// Rotate around the center of objects on current plate
auto bbox = volumes_bounding_box(true);
if (!bbox.defined) {
// Rotate around current plate center if current plate is empty
bbox = wxGetApp().plater()->get_partplate_list().get_curr_plate()->get_bounding_box();
}
rotate_target = bbox.center();
}
}
if (!rotate_target.isZero())