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Differential D16083 Diff 56395 source/blender/nodes/geometry/nodes/node_geo_curve_spline_parameter.cc

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source/blender/nodes/geometry/nodes/node_geo_curve_spline_parameter.cc

Show First 20 Lines • Show All 120 Lines • ▼ Show 20 Lines threading::parallel_for(curves.curves_range(), 1024, [&](IndexRange range) {
cyclic[i_curve]); cyclic[i_curve]);
MutableSpan<float> curve_lengths = lengths.slice(curves.points_for_curve(i_curve)); MutableSpan<float> curve_lengths = lengths.slice(curves.points_for_curve(i_curve));
if (total_length > 0.0f) { if (total_length > 0.0f) {
const float factor = 1.0f / total_length; const float factor = 1.0f / total_length;
for (float &value : curve_lengths) { for (float &value : curve_lengths) {
value *= factor; value *= factor;
} }
} }
else if (curve_lengths.size() == 1) {
/* The curve is a single point. */
curve_lengths[0] = 0.0f;
}
else { else {
/* It is arbitrary what to do in those rare cases when all the points are /* It is arbitrary what to do in those rare cases when all the points are
* in the same position. In this case we are just arbitrarily giving a valid * in the same position. In this case we are just arbitrarily giving a valid
* value in the range based on the point index. */ * value in the range based on the point index. */
for (const int i : curve_lengths.index_range()) { for (const int i : curve_lengths.index_range()) {
curve_lengths[i] = i / (curve_lengths.size() - 1.0f); curve_lengths[i] = i / (curve_lengths.size() - 1.0f);
} }
} }
▲ Show 20 Lines • Show All 138 Lines • ▼ Show 20 Lines uint64_t hash() const override
/* Some random constant hash. */ /* Some random constant hash. */
return 4536246522; return 4536246522;
} }
bool is_equal_to(const fn::FieldNode &other) const override bool is_equal_to(const fn::FieldNode &other) const override
{ {
return dynamic_cast<const IndexOnSplineFieldInput *>(&other) != nullptr; return dynamic_cast<const IndexOnSplineFieldInput *>(&other) != nullptr;
} }
std::optional<eAttrDomain> preferred_domain(const CurvesGeometry & /*curves*/) const
{
return ATTR_DOMAIN_POINT;
}
}; };
static void node_geo_exec(GeoNodeExecParams params) static void node_geo_exec(GeoNodeExecParams params)
{ {
Field<float> parameter_field{std::make_shared<CurveParameterFieldInput>()}; Field<float> parameter_field{std::make_shared<CurveParameterFieldInput>()};
Field<float> length_field{std::make_shared<CurveLengthParameterFieldInput>()}; Field<float> length_field{std::make_shared<CurveLengthParameterFieldInput>()};
Field<int> index_on_spline_field{std::make_shared<IndexOnSplineFieldInput>()}; Field<int> index_on_spline_field{std::make_shared<IndexOnSplineFieldInput>()};
params.set_output("Factor", std::move(parameter_field)); params.set_output("Factor", std::move(parameter_field));
Show All 17 Lines