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Added Vec3d ModelInstance::transform_vector() method

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This commit is contained in:
Enrico Turri 2018-09-06 09:16:32 +02:00
parent b9287d51dd
commit c8f1369824
4 changed files with 17 additions and 9 deletions
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5
xs/src/libslic3r/Model.cpp
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@ -1016,6 +1016,11 @@ BoundingBoxf3 ModelInstance::transform_bounding_box(const BoundingBoxf3 &bbox, b
return bbox.transformed(world_matrix(dont_translate));
}
Vec3d ModelInstance::transform_vector(const Vec3d& v, bool dont_translate) const
{
return world_matrix(dont_translate) * v;
}
void ModelInstance::transform_polygon(Polygon* polygon) const
{
polygon->rotate(this->rotation); // rotate around polygon origin

2
xs/src/libslic3r/Model.hpp
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@ -239,6 +239,8 @@ public:
BoundingBoxf3 transform_mesh_bounding_box(const TriangleMesh* mesh, bool dont_translate = false) const;
// Transform an external bounding box.
BoundingBoxf3 transform_bounding_box(const BoundingBoxf3 &bbox, bool dont_translate = false) const;
// Transform an external vector.
Vec3d transform_vector(const Vec3d& v, bool dont_translate = false) const;
// To be called on an external polygon. It does not translate the polygon, only rotates and scales.
void transform_polygon(Polygon* polygon) const;