title: Transform Matrix by 4 vectors?
body: <p>For 4*4 transform matrix m,if represented internally using 4 vectors x, y, z, w</p>
  
  <p>For translation part, is it </p>
  
  <pre><code>w.x = t.x ; w.y = t.y ; w.z = t.z
  </code></pre>
  
  <p>or </p>
  
  <pre><code>x.w = t.x; y.w = t.y; z.w = t.z;
  </code></pre>
  
  <p>I am confused, please help.</p>