Differential D12689 Diff 42663 source/blender/nodes/geometry/nodes/node_geo_curve_length.cc

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	{			{
	b.add_input<decl::Geometry>("Curve");			b.add_input<decl::Geometry>("Curve");
	b.add_output<decl::Float>("Length");			b.add_output<decl::Float>("Length");
	}			}

	static void geo_node_curve_length_exec(GeoNodeExecParams params)			static void geo_node_curve_length_exec(GeoNodeExecParams params)
	{			{
	GeometrySet curve_set = params.extract_input<GeometrySet>("Curve");			GeometrySet curve_set = params.extract_input<GeometrySet>("Curve");
	curve_set = bke::geometry_set_realize_instances(curve_set);
	if (!curve_set.has_curve()) {			if (!curve_set.has_curve()) {
	params.set_output("Length", 0.0f);			params.set_output("Length", 0.0f);
	return;			return;
	}			}
	const CurveEval &curve = *curve_set.get_curve_for_read();			const CurveEval &curve = *curve_set.get_curve_for_read();
	float length = 0.0f;			float length = 0.0f;
	for (const SplinePtr &spline : curve.splines()) {			for (const SplinePtr &spline : curve.splines()) {
	length += spline->length();			length += spline->length();
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