resolve_global_index()

std::optional< PhysicsOperator::GroupIndex > MayaFlux::Nodes::Network::PhysicsOperator::resolve_global_index ( size_t  global_index ) const

private

Resolve a global index the same way apply_impulse/get_data_at do.

Definition at line 557 of file PhysicsOperator.cpp.

{
    size_t offset = 0;
    for (size_t g = 0; g < m_collections.size(); ++g) {
        size_t count = m_collections[g].collection->get_point_count();
        if (global_index < offset + count) {
            return GroupIndex { .group = g, .local = global_index - offset };
        }
        offset += count;
    }
    return std::nullopt;
}

References count, MayaFlux::Nodes::Network::PhysicsOperator::GroupIndex::group, m_collections, and offset.

Referenced by apply_bond_forces().

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