handle_boundary_conditions()

void MayaFlux::Nodes::Network::PhysicsOperator::handle_boundary_conditions ( )

private

Definition at line 501 of file PhysicsOperator.cpp.

{
    if (m_bounds_mode == BoundsMode::NONE) {
        return;
    }
 
    constexpr float damping = 0.8F;
 
    for (auto& group : m_collections) {
        auto& points = group.collection->get_points();
 
        for (size_t i = 0; i < points.size(); ++i) {
            auto& vertex = points[i];
            auto& state = group.physics_state[i];
 
            for (int axis = 0; axis < 3; ++axis) {
                if (vertex.position[axis] < m_bounds.min[axis]) {
                    switch (m_bounds_mode) {
                    case BoundsMode::BOUNCE:
                        vertex.position[axis] = m_bounds.min[axis];
                        state.velocity[axis] *= -damping;
                        break;
                    case BoundsMode::WRAP:
                        vertex.position[axis] = m_bounds.max[axis];
                        break;
                    case BoundsMode::CLAMP:
                        vertex.position[axis] = m_bounds.min[axis];
                        state.velocity[axis] = 0.0F;
                        break;
                    case BoundsMode::NONE:
                        break;
                    }
                } else if (vertex.position[axis] > m_bounds.max[axis]) {
                    switch (m_bounds_mode) {
                    case BoundsMode::BOUNCE:
                        vertex.position[axis] = m_bounds.max[axis];
                        state.velocity[axis] *= -damping;
                        break;
                    case BoundsMode::WRAP:
                        vertex.position[axis] = m_bounds.min[axis];
                        break;
                    case BoundsMode::CLAMP:
                        vertex.position[axis] = m_bounds.max[axis];
                        state.velocity[axis] = 0.0F;
                        break;
                    case BoundsMode::NONE:
                        break;
                    }
                }
            }
        }
    }
}

References BOUNCE, CLAMP, m_bounds, m_bounds_mode, m_collections, MayaFlux::Kinesis::SamplerBounds::max, MayaFlux::Kinesis::SamplerBounds::min, NONE, and WRAP.

Referenced by process().

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