Slic3r::anonymous_namespace{TextureDisplacement.cpp}::LscmLookup Struct Reference

Collaboration diagram for Slic3r::anonymous_namespace{TextureDisplacement.cpp}::LscmLookup:

Public Member Functions
bool	uv_at (const Vec3f &pos, float tol, Vec2f &uv) const

Public Attributes
indexed_triangle_set	patch
AABBTreeIndirect::Tree3f	tree
std::vector< Vec2f >	corner

Detailed Description

Member Function Documentation

uv_at()

bool Slic3r::anonymous_namespace{TextureDisplacement.cpp}::LscmLookup::uv_at ( const Vec3f & pos, float tol, Vec2f & uv ) const

inline

    {
        size_t      hit = 0;
        Vec3f       foot;
        const float d2 = AABBTreeIndirect::squared_distance_to_indexed_triangle_set(patch.vertices, patch.indices, tree,
                                                                                    pos, hit, foot);
        if (d2 < 0.f || d2 > tol * tol || hit >= patch.indices.size())
            return false;
        const stl_triangle_vertex_indices &t = patch.indices[hit];
        float w1 = 0.f, w2 = 0.f; // a degenerate triangle takes its centroid's uv
        barycentric_weights(patch.vertices[size_t(t[0])], patch.vertices[size_t(t[1])], patch.vertices[size_t(t[2])],
                            foot, w1, w2);
        const Vec2f *c3 = &corner[hit * 3];
        uv = (1.f - w1 - w2) * c3[0] + w1 * c3[1] + w2 * c3[2];
        return true;
    }

References Slic3r::barycentric_weights(), corner, patch, Slic3r::AABBTreeIndirect::squared_distance_to_indexed_triangle_set(), and tree.

Here is the call graph for this function:

Member Data Documentation

corner

std::vector<Vec2f> Slic3r::anonymous_namespace{TextureDisplacement.cpp}::LscmLookup::corner

Referenced by uv_at().

patch

indexed_triangle_set Slic3r::anonymous_namespace{TextureDisplacement.cpp}::LscmLookup::patch

Referenced by uv_at().

tree

AABBTreeIndirect::Tree3f Slic3r::anonymous_namespace{TextureDisplacement.cpp}::LscmLookup::tree

Referenced by uv_at().

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The documentation for this struct was generated from the following file:

• /home/runner/work/OrcaSlicer/OrcaSlicer/src/libslic3r/TextureDisplacement.cpp