random_position_surface()

glm::vec3 MayaFlux::Nodes::Network::ParticleNetwork::random_position_surface ( ) const

private

Random position on bounds surface.

Definition at line 612 of file ParticleNetwork.cpp.

{
    int face = rand() % 6;
    float u = static_cast<float>(rand()) / RAND_MAX;
    float v = static_cast<float>(rand()) / RAND_MAX;
 
    switch (face) {
    case 0:
        return { m_bounds_min.x, glm::mix(m_bounds_min.y, m_bounds_max.y, u), glm::mix(m_bounds_min.z, m_bounds_max.z, v) };
    case 1:
        return { m_bounds_max.x, glm::mix(m_bounds_min.y, m_bounds_max.y, u), glm::mix(m_bounds_min.z, m_bounds_max.z, v) };
    case 2:
        return { glm::mix(m_bounds_min.x, m_bounds_max.x, u), m_bounds_min.y, glm::mix(m_bounds_min.z, m_bounds_max.z, v) };
    case 3:
        return { glm::mix(m_bounds_min.x, m_bounds_max.x, u), m_bounds_max.y, glm::mix(m_bounds_min.z, m_bounds_max.z, v) };
    case 4:
        return { glm::mix(m_bounds_min.x, m_bounds_max.x, u), glm::mix(m_bounds_min.y, m_bounds_max.y, v), m_bounds_min.z };
    case 5:
        return { glm::mix(m_bounds_min.x, m_bounds_max.x, u), glm::mix(m_bounds_min.y, m_bounds_max.y, v), m_bounds_max.z };
    default:
        return m_bounds_min;
    }
}

References m_bounds_max, and m_bounds_min.

Referenced by initialize_particle_positions().

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