title: How to remove/delete a game object
body: <p>How do you make an object that can kill/remove itself? e.g.</p>
  <pre class="lang-js prettyprint-override"><code>var bullet = [];
  function bullet() {
    this.removeSelf = () =&gt; {
      this = false;
    }
  }
  function setup() {
    bullet[0] = new Bullet();
    bullet[0].removeSelf();
  }
  setup(); 
  </code></pre>