<!-- vertext shader a.k.a. pixel shader -->
<script id="vertexShader" type="x-shader/x-vertex">
    varying vec3 vNormal;
    varying vec3 vPositionNormal;
    void main()
    {
      vNormal = normalize( normalMatrix * normal ); // 转换到视图空间
      vPositionNormal = normalize(( modelViewMatrix * vec4(position, 1.0) ).xyz);
      gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
    }
  </script>
  <!-- fragment shader a.k.a. pixel shader -->
  <script id="fragmentShader" type="x-shader/x-vertex">
    uniform vec3 glowColor;
    uniform float b;
    uniform float p;
    uniform float s;
    varying vec3 vNormal;
    varying vec3 vPositionNormal;
    void main()
    {
      float a = pow( b + s * abs(dot(vNormal, vPositionNormal)), p );
      gl_FragColor = vec4( glowColor, a );
    }
  </script>

  <div id="ThreeJS" style="position: absolute; left:0px; top:0px"></div>