title: Three.js Quaternion cannot assign to read only property
body: <p>I'm trying to create a class (with three.js) that uses an array with vector names compare to an array with a set of vectors 3 and generates the mesh of the flat face, but I'm getting an error.</p>
  <pre><code>
  Uncaught TypeError: Cannot assign to read only property 'quaternion' of object '# &lt;Tface&gt;'
      at Tface.criaFace (Tface.js: 58)
      at eval (index.js: 54)
      at Module ../ src / index.js (bundle.js: 651)
      at __webpack_require__ (bundle.js: 674)
      at bundle.js: 738
      at bundle.js: 741
  
  </code></pre>
  <p><a href="https://github.com/gisselecardozo/teste-classes/blob/master/src/classes/Tface.js" rel="nofollow noreferrer">https://github.com/gisselecardozo/teste-classes/blob/master/src/classes/Tface.js</a></p>