div>
<div class="line">  <a class="code hl_class" href="classnetdem_1_1_particle.html">Particle</a> obj_p2 = <a class="code hl_class" href="classnetdem_1_1_particle.html">Particle</a>(&amp;tri_mesh_1);</div>
<div class="line">  obj_p2.<a class="code hl_variable" href="classnetdem_1_1_particle.html#af762283470f206c8a0797d6ce04f6436">need_update_stl_model</a> = <span class="keyword">true</span>;</div>
<div class="line">  cout &lt;&lt; <span class="stringliteral">&quot;particle created ... &quot;</span> &lt;&l