title: How do I learn WebGL the fast way?
body: <p>I am learning WebGL these days, but I found that it's really hard to understand the pipeline.</p>
  
  <ol>
  <li>Is there any <strong>head first</strong> WebGL tutorial online ? </li>
  <li>Should I learn GLSL ?</li>
  <li>The code to draw something with WebGL is too complex, is there any way to reduce the code lines?</li>
  </ol>