diff options
Diffstat (limited to 'source/blender/blenkernel/BKE_spline.hh')
| -rw-r--r-- | source/blender/blenkernel/BKE_spline.hh | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/source/blender/blenkernel/BKE_spline.hh b/source/blender/blenkernel/BKE_spline.hh index 1e3134020c6..817bbf60f54 100644 --- a/source/blender/blenkernel/BKE_spline.hh +++ b/source/blender/blenkernel/BKE_spline.hh @@ -453,12 +453,15 @@ class NURBSpline final : public Spline { KnotsMode knots_mode; struct BasisCache { - /** The influence at each control point `i + #start_index`. */ + /** + * For each evaluated point, the weight for alls control points that influences it. + * The vector's size is the evaluated point count multiplied by the spline's order. + */ blender::Vector<float> weights; /** * An offset for the start of #weights: the first control point index with a non-zero weight. */ - int start_index; + blender::Vector<int> start_indices; }; private: @@ -484,7 +487,7 @@ class NURBSpline final : public Spline { mutable bool knots_dirty_ = true; /** Cache of control point influences on each evaluated point. */ - mutable blender::Vector<BasisCache> basis_cache_; + mutable BasisCache basis_cache_; mutable std::mutex basis_cache_mutex_; mutable bool basis_cache_dirty_ = true; @@ -547,7 +550,7 @@ class NURBSpline final : public Spline { void reverse_impl() override; void calculate_knots() const; - blender::Span<BasisCache> calculate_basis_cache() const; + const BasisCache &calculate_basis_cache() const; }; /** |