PointRef& operator=(const PointRef& r)
{
assert(m_buf == NULL || r.m_buf == m_buf);
if (!m_buf)
{
m_buf = r.m_buf;
m_id = m_buf->getTemp(r.m_id);
m_tmp = true;
}
else
m_buf->m_index[m_id] = r.m_buf->m_index[r.m_id];
return *this;
}
PointRef(const PointRef& r) : m_buf(r.m_buf)
{
m_id = m_buf->getTemp(r.m_id);
m_tmp = true;
}
