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ENABLE_THUMBNAIL_GENERATOR -> some other refactoring

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This commit is contained in:
Enrico Turri 2019-11-28 15:19:42 +01:00
parent ddd1df1552
commit 3dd46f2e03
2 changed files with 8 additions and 52 deletions
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35
src/slic3r/GUI/GLCanvas3D.cpp
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@ -3928,38 +3928,11 @@ void GLCanvas3D::_render_thumbnail_internal(ThumbnailData& thumbnail_data, bool
if (show_bed)
{
// extends the near and far z of the frustrum to avoid the bed being clipped
BoundingBoxf3 bed_box = m_bed.get_bounding_box(true);
// bed box vertices in world space
std::vector<Vec3d> vertices;
vertices.reserve(8);
vertices.push_back(bed_box.min);
vertices.emplace_back(bed_box.max(0), bed_box.min(1), bed_box.min(2));
vertices.emplace_back(bed_box.max(0), bed_box.max(1), bed_box.min(2));
vertices.emplace_back(bed_box.min(0), bed_box.max(1), bed_box.min(2));
vertices.emplace_back(bed_box.min(0), bed_box.min(1), bed_box.max(2));
vertices.emplace_back(bed_box.max(0), bed_box.min(1), bed_box.max(2));
vertices.push_back(bed_box.max);
vertices.emplace_back(bed_box.min(0), bed_box.max(1), bed_box.max(2));
double bed_box_min_z = DBL_MAX;
double bed_box_max_z = -DBL_MAX;
Transform3d view_matrix = camera.get_view_matrix();
for (const Vec3d& v : vertices)
{
Vec3d eye_v = view_matrix * v;
if (eye_v(2) < 0.0)
{
bed_box_min_z = std::min(bed_box_min_z, -eye_v(2));
bed_box_max_z = std::max(bed_box_max_z, -eye_v(2));
}
}
if (bed_box_min_z != DBL_MAX)
near_z = bed_box_min_z;
if (bed_box_max_z != -DBL_MAX)
far_z = bed_box_max_z;
// box in eye space
BoundingBoxf3 t_bed_box = m_bed.get_bounding_box(true).transformed(camera.get_view_matrix());
near_z = -t_bed_box.max(2);
far_z = -t_bed_box.min(2);
}
camera.apply_projection(box, near_z, far_z);