random_position_sphere_surface()

glm::vec3 MayaFlux::Nodes::Network::ParticleNetwork::random_position_sphere_surface ( float  radius ) const

private

Random position on sphere surface.

Definition at line 649 of file ParticleNetwork.cpp.

{
    float theta = 2.0F * glm::pi<float>() * (static_cast<float>(rand()) / RAND_MAX);
    float phi = std::acos(2.0F * (static_cast<float>(rand()) / RAND_MAX) - 1.0F);
 
    return {
        radius * std::sin(phi) * std::cos(theta),
        radius * std::sin(phi) * std::sin(theta),
        radius * std::cos(phi)
    };
}

Referenced by initialize_particle_positions().

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