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Fix: box selection selecting wrong object in orthogonal view (#12230)

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# Description
When using box selection with the orthogonal view, unexpected objects end up getting selected.
Fixed by setting the selection camera to use the same view as the display camera.

Fixes #5895

# Screenshots/Recordings/Graphs
Bugged:

https://github.com/user-attachments/assets/e98fcbb1-0f01-43dd-a3d5-cb0af97e226e

Fixed:

https://github.com/user-attachments/assets/f84e801c-d595-4394-b42f-ed8758413980

## Tests
Tested the selection in both perspective and orthogonal.
This commit is contained in:
Sabriel-Koh
2026-02-10 22:31:51 +08:00
committed by GitHub
parent 55883bdb76
commit 9950662ddf
1 changed files with 1 additions and 0 deletions
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src/slic3r/GUI/GLCanvas3D.cpp
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@@ -7308,6 +7308,7 @@ void GLCanvas3D::_rectangular_selection_picking_pass()
rect_near_top = rect_near_bottom + ratio_y;
framebuffer_camera.look_at(camera->get_position(), camera->get_target(), camera->get_dir_up());
framebuffer_camera.set_type(camera->get_type());
framebuffer_camera.apply_projection(rect_near_left, rect_near_right, rect_near_bottom, rect_near_top, camera->get_near_z(), camera->get_far_z());
framebuffer_camera.set_viewport(0, 0, width, height);
framebuffer_camera.apply_viewport();