Differential D12584 Diff 42238 source/blender/nodes/geometry/nodes/node_geo_input_tangent.cc

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	#include "BKE_spline.hh"			#include "BKE_spline.hh"

	#include "node_geometry_util.hh"			#include "node_geometry_util.hh"

	namespace blender::nodes {			namespace blender::nodes {

	static void geo_node_input_tangent_declare(NodeDeclarationBuilder &b)			static void geo_node_input_tangent_declare(NodeDeclarationBuilder &b)
	{			{
	b.add_output<decl::Vector>("Tangent");			b.add_output<decl::Vector>("Tangent").field_source();
	}			}

	static void calculate_bezier_tangents(const BezierSpline &spline, MutableSpan<float3> tangents)			static void calculate_bezier_tangents(const BezierSpline &spline, MutableSpan<float3> tangents)
	{			{
	Span<int> offsets = spline.control_point_offsets();			Span<int> offsets = spline.control_point_offsets();
	Span<float3> evaluated_tangents = spline.evaluated_tangents();			Span<float3> evaluated_tangents = spline.evaluated_tangents();
	for (const int i : IndexRange(spline.size())) {			for (const int i : IndexRange(spline.size())) {
	tangents[i] = evaluated_tangents[offsets[i]];			tangents[i] = evaluated_tangents[offsets[i]];
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