diff options
Diffstat (limited to 'source/blender/blenkernel/BKE_curves.hh')
| -rw-r--r-- | source/blender/blenkernel/BKE_curves.hh | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/source/blender/blenkernel/BKE_curves.hh b/source/blender/blenkernel/BKE_curves.hh index 2b9b13d1d2b..4b0fc293b54 100644 --- a/source/blender/blenkernel/BKE_curves.hh +++ b/source/blender/blenkernel/BKE_curves.hh @@ -97,7 +97,7 @@ class CurvesGeometryRuntime { mutable Span<float3> evaluated_positions_span; /** - * Cache of lengths along each evaluated curve for for each evaluated point. If a curve is + * Cache of lengths along each evaluated curve for each evaluated point. If a curve is * cyclic, it needs one more length value to correspond to the last segment, so in order to * make slicing this array for a curve fast, an extra float is stored for every curve. */ @@ -150,7 +150,13 @@ class CurvesGeometry : public ::CurvesGeometry { * Accessors. */ + /** + * The total number of control points in all curves. + */ int points_num() const; + /** + * The number of curves in the data-block. + */ int curves_num() const; IndexRange points_range() const; IndexRange curves_range() const; @@ -553,7 +559,7 @@ void calculate_evaluated_offsets(Span<int8_t> handle_types_left, int resolution, MutableSpan<int> evaluated_offsets); -/** See #insert. */ +/** Knot insertion result, see #insert. */ struct Insertion { float3 handle_prev; float3 left_handle; @@ -563,8 +569,12 @@ struct Insertion { }; /** - * Compute the Bezier segment insertion for the given parameter on the segment, returning - * the position and handles of the new point and the updated existing handle positions. + * Compute the insertion of a control point and handles in a Bezier segment without changing its + * shape. + * \param parameter: Factor in from 0 to 1 defining the insertion point within the segment. + * \return Inserted point parameters including position, and both new and updated handles for + * neighboring control points. + * * <pre> * handle_prev handle_next * x-----------------x |