Differential D11791 Diff 40163 source/blender/blenkernel/intern/spline_base.cc

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	Spline::LookupResult Spline::lookup_evaluated_length(const float length) const			Spline::LookupResult Spline::lookup_evaluated_length(const float length) const
	{			{
	BLI_assert(length >= 0.0f && length <= this->length());			BLI_assert(length >= 0.0f && length <= this->length());

	Span<float> lengths = this->evaluated_lengths();			Span<float> lengths = this->evaluated_lengths();

	const float *offset = std::lower_bound(lengths.begin(), lengths.end(), length);			const float *offset = std::lower_bound(lengths.begin(), lengths.end(), length);
	const int index = offset - lengths.begin();			const int index = offset - lengths.begin();
	const int next_index = (index == this->size() - 1) ? 0 : index + 1;			const int next_index = (index == this->evaluated_points_size() - 1) ? 0 : index + 1;

	const float previous_length = (index == 0) ? 0.0f : lengths[index - 1];			const float previous_length = (index == 0) ? 0.0f : lengths[index - 1];
	const float factor = (length - previous_length) / (lengths[index] - previous_length);			const float factor = (length - previous_length) / (lengths[index] - previous_length);

	return LookupResult{index, next_index, factor};			return LookupResult{index, next_index, factor};
	}			}

	/**			/**
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