h="95%" controls autoplay loop src="../../_static/demos/demo07_inside_polygon_events.mp4">
 </video>
</center><p>Particles with additional inside polygon  property, with optional logging of polygon entry and exit events</p>
<ul class="simple">
<li><p>class: <code class="docutils literal notranslate"><span class="pre">particle_properties.inside_polygons.InsidePolygonsNonOverlapping2D</span></code></p></li>
<li><p>class: <code class="docutils literal notranslate"><span class="pre">event_loggers.log_polygon_en