// Vertex Source Interface
public void Rewind(int idx)
{
if (m_status == StrokeMath.status_e.initial)
{
m_src_vertices.close(m_closed != 0);
ShapePath.shorten_path(m_src_vertices, m_shorten, m_closed);
if (m_src_vertices.size() < 3)
{
m_closed = 0;
}
}
m_status = StrokeMath.status_e.ready;
m_src_vertex = 0;
m_out_vertex = 0;
}