// Vertex Source Interface
public void Rewind(uint idx)
{
if (m_status == Status.Initial)
{
m_src_vertices.Close(m_closed != 0);
Path.ShortenPath(m_src_vertices, m_shorten, m_closed);
if (m_src_vertices.Size() < 3)
{
m_closed = 0;
}
}
m_status = Status.Ready;
m_src_vertex = 0;
m_out_vertex = 0;
}