refresh_attributes()

void MayaFlux::Nodes::GpuSync::PathGeneratorNode::refresh_attributes ( )

private

Rewrite colour and thickness over existing geometry, no curve evaluation.

Definition at line 173 of file PathGeneratorNode.cpp.

{
    if (m_mode == Kinesis::InterpolationMode::LINEAR) {
        const size_t n = std::min(m_vertices.size(), m_control_points.size());
        for (size_t i = 0; i < n; ++i) {
            m_vertices[i].color = m_force_uniform_color ? m_current_color : m_control_points[i].color;
            m_vertices[i].thickness = m_force_uniform_thickness ? m_current_thickness : m_control_points[i].thickness;
        }
        return;
    }
 
    if (m_mode == Kinesis::InterpolationMode::CUSTOM) {
        const size_t num_points = m_control_points.size();
        const size_t total = m_vertices.size();
        if (num_points == 0 || total < 2) {
            return;
        }
        for (size_t i = 0; i < total; ++i) {
            const size_t ctrl_idx = std::min((i * (num_points - 1)) / (total - 1), num_points - 1);
            m_vertices[i].color = m_force_uniform_color ? m_current_color : m_control_points[ctrl_idx].color;
            m_vertices[i].thickness = m_force_uniform_thickness ? m_current_thickness : m_control_points[ctrl_idx].thickness;
        }
        return;
    }
 
    if (m_control_points.size() < 4) {
        return;
    }
 
    const size_t per_window = vertices_per_window();
    const size_t windows = m_control_points.size() - 3;
 
    if (m_vertices.size() < windows * per_window) {
        return;
    }
 
    for (size_t w = 0; w < windows; ++w) {
        write_segment_attributes(m_control_points, w, m_vertices.data() + w * per_window);
    }
}

References MayaFlux::Kinesis::CUSTOM, MayaFlux::Kinesis::LINEAR, m_control_points, m_current_color, m_current_thickness, m_force_uniform_color, m_force_uniform_thickness, m_mode, m_vertices, total, vertices_per_window(), and write_segment_attributes().

Referenced by compute_frame().

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