title: Math.Round to every other int instead of every int
body: <p>This method round every value to an int:</p>
  
  <pre><code>transform.position = new Vector2(Mathf.Round(_mousePos.x), Mathf.Round(_mousePos.y));
  </code></pre>
  
  <p>How can I round it to every even number instead? i.e:</p>
  
  <pre><code>3.2f &gt; 4
  2.8f &gt; 2
  1.2f &gt; 2
  0.8f &gt; 0
  4.4f &gt; 4
  </code></pre>
  
  <p>I guess one way of looking at it is to round to the closest even int.</p>