to entities colliding.
In this section we&apos;re going to discuss how we can better control when collisions happen.
As the title suggests, this will involve understanding some binary.</p>
<p>Let&apos;s say we have a beat-em-up game where two players are fighting bad guys and we don&apos;t want players to collide with each other and instead only collide with enemies.
The collision callback could look something like this:</p>
<pre><code class="lang-lua"><span class="hljs-keyword">local</span> begin_contact_c