generate_exciter_sample()

double MayaFlux::Nodes::Network::ModalNetwork::generate_exciter_sample ( )

private

Generate exciter signal for current sample.

Definition at line 200 of file ModalNetwork.cpp.

{
    if (!m_exciter_active || m_exciter_samples_remaining == 0) {
        m_exciter_active = false;
        return 0.0;
    }
 
    const size_t idx = m_exciter_node_buffer_pos < m_exciter_node_buffer.size()
        ? m_exciter_node_buffer_pos++
        : 0;
    --m_exciter_samples_remaining;
    double sample = 0.0;
 
    switch (m_exciter_type) {
    case ExciterType::IMPULSE:
        sample = 1.0;
        break;
 
    case ExciterType::NOISE_BURST:
        sample = m_random_generator(-1.0, 1.0);
        break;
 
    case ExciterType::FILTERED_NOISE: {
        double noise = m_random_generator(-1.0, 1.0);
        sample = m_exciter_filter
            ? m_exciter_filter->process_sample(noise)
            : noise;
        break;
    }
 
    case ExciterType::SAMPLE:
        if (m_exciter_sample_position < m_exciter_sample.size())
            sample = m_exciter_sample[m_exciter_sample_position++];
        break;
 
    case ExciterType::CONTINUOUS:
        if (m_exciter_node)
            sample = m_exciter_node_buffer[idx];
        break;
    }
 
    return sample;
}

References CONTINUOUS, FILTERED_NOISE, IMPULSE, m_exciter_active, m_exciter_filter, m_exciter_node, m_exciter_node_buffer, m_exciter_node_buffer_pos, m_exciter_sample, m_exciter_sample_position, m_exciter_samples_remaining, m_exciter_type, m_random_generator, NOISE_BURST, and SAMPLE.

Referenced by process_batch().

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