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Painter gizmos should now work with non-uniformly scaled models

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This commit is contained in:
Lukas Matena 2020-10-05 09:08:03 +02:00
parent f4e3eb7482
commit 8bcdbb7a60
3 changed files with 123 additions and 51 deletions
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9
src/slic3r/GUI/Gizmos/GLGizmoPainterBase.cpp
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@ -350,19 +350,12 @@ bool GLGizmoPainterBase::gizmo_event(SLAGizmoEventType action, const Vec2d& mous
const Transform3d& trafo_matrix = trafo_matrices[m_rr.mesh_id];
// Calculate how far can a point be from the line (in mesh coords).
// FIXME: The scaling of the mesh can be non-uniform.
const Vec3d sf = Geometry::Transformation(trafo_matrix).get_scaling_factor();
const float avg_scaling = (sf(0) + sf(1) + sf(2))/3.;
const float limit = m_cursor_radius/avg_scaling;
// Calculate direction from camera to the hit (in mesh coords):
Vec3f camera_pos = (trafo_matrix.inverse() * camera.get_position()).cast<float>();
Vec3f dir = (m_rr.hit - camera_pos).normalized();
assert(m_rr.mesh_id < int(m_triangle_selectors.size()));
m_triangle_selectors[m_rr.mesh_id]->select_patch(m_rr.hit, m_rr.facet, camera_pos,
dir, limit, m_cursor_type, new_state);
m_cursor_radius, m_cursor_type, new_state, trafo_matrix);
m_last_mouse_click = mouse_position;
}