diff options
Diffstat (limited to 'source/blender/blenkernel/intern/curve_nurbs.cc')
-rw-r--r-- | source/blender/blenkernel/intern/curve_nurbs.cc | 48 |
1 files changed, 26 insertions, 22 deletions
diff --git a/source/blender/blenkernel/intern/curve_nurbs.cc b/source/blender/blenkernel/intern/curve_nurbs.cc index 0114c0b45f4..cd6b64e9a03 100644 --- a/source/blender/blenkernel/intern/curve_nurbs.cc +++ b/source/blender/blenkernel/intern/curve_nurbs.cc @@ -10,10 +10,10 @@ namespace blender::bke::curves::nurbs { -bool check_valid_size_and_order(const int points_num, - const int8_t order, - const bool cyclic, - const KnotsMode knots_mode) +bool check_valid_num_and_order(const int points_num, + const int8_t order, + const bool cyclic, + const KnotsMode knots_mode) { if (points_num < order) { return false; @@ -29,19 +29,19 @@ bool check_valid_size_and_order(const int points_num, return true; } -int calculate_evaluated_size(const int points_num, - const int8_t order, - const bool cyclic, - const int resolution, - const KnotsMode knots_mode) +int calculate_evaluated_num(const int points_num, + const int8_t order, + const bool cyclic, + const int resolution, + const KnotsMode knots_mode) { - if (!check_valid_size_and_order(points_num, order, cyclic, knots_mode)) { - return 0; + if (!check_valid_num_and_order(points_num, order, cyclic, knots_mode)) { + return points_num; } - return resolution * curve_segment_size(points_num, cyclic); + return resolution * curve_segment_num(points_num, cyclic); } -int knots_size(const int points_num, const int8_t order, const bool cyclic) +int knots_num(const int points_num, const int8_t order, const bool cyclic) { if (cyclic) { return points_num + order * 2 - 1; @@ -55,7 +55,7 @@ void calculate_knots(const int points_num, const bool cyclic, MutableSpan<float> knots) { - BLI_assert(knots.size() == knots_size(points_num, order, cyclic)); + BLI_assert(knots.size() == knots_num(points_num, order, cyclic)); UNUSED_VARS_NDEBUG(points_num); const bool is_bezier = ELEM(mode, NURBS_KNOT_MODE_BEZIER, NURBS_KNOT_MODE_ENDPOINT_BEZIER); @@ -147,7 +147,7 @@ static void calculate_basis_for_point(const float parameter, } void calculate_basis_cache(const int points_num, - const int evaluated_size, + const int evaluated_num, const int8_t order, const bool cyclic, const Span<float> knots, @@ -157,10 +157,10 @@ void calculate_basis_cache(const int points_num, const int8_t degree = order - 1; - basis_cache.weights.resize(evaluated_size * order); - basis_cache.start_indices.resize(evaluated_size); + basis_cache.weights.resize(evaluated_num * order); + basis_cache.start_indices.resize(evaluated_num); - if (evaluated_size == 0) { + if (evaluated_num == 0) { return; } @@ -168,12 +168,12 @@ void calculate_basis_cache(const int points_num, MutableSpan<int> basis_start_indices(basis_cache.start_indices); const int last_control_point_index = cyclic ? points_num + degree : points_num; - const int evaluated_segment_size = curve_segment_size(evaluated_size, cyclic); + const int evaluated_segment_num = curve_segment_num(evaluated_num, cyclic); const float start = knots[degree]; const float end = knots[last_control_point_index]; - const float step = (end - start) / evaluated_segment_size; - for (const int i : IndexRange(evaluated_size)) { + const float step = (end - start) / evaluated_segment_num; + for (const int i : IndexRange(evaluated_num)) { /* Clamp parameter due to floating point inaccuracy. */ const float parameter = std::clamp(start + step * i, knots[0], knots[points_num + degree]); @@ -232,8 +232,12 @@ void interpolate_to_evaluated(const BasisCache &basis_cache, const GSpan src, GMutableSpan dst) { - BLI_assert(dst.size() == basis_cache.start_indices.size()); + if (basis_cache.invalid) { + dst.copy_from(src); + return; + } + BLI_assert(dst.size() == basis_cache.start_indices.size()); attribute_math::convert_to_static_type(src.type(), [&](auto dummy) { using T = decltype(dummy); if constexpr (!std::is_void_v<attribute_math::DefaultMixer<T>>) { |