get_particle_velocity()

std::optional< double > MayaFlux::Nodes::Network::PhysicsOperator::get_particle_velocity

(

size_t

global_index

)

const

Get velocity magnitude for specific particle.

Parameters

global_index

Particle index across all collections

Definition at line 239 of file PhysicsOperator.cpp.

{
    size_t current_offset = 0;
 
    for (const auto& group : m_collections) {
        size_t group_size = group.physics_state.size();
 
        if (global_index < current_offset + group_size) {
            size_t local_index = global_index - current_offset;
            return static_cast<double>(glm::length(group.physics_state[local_index].velocity));
        }
 
        current_offset += group_size;
    }
 
    return std::nullopt;
}

References m_collections.