poly_wave6_GLSL（ブログ用）

<script type="x-shader/x-vertex" id="vshader">
varying vec3 vNormal;
varying vec3 pos;
void main()
{
  vNormal=normalMatrix * normal;
  pos = position;
  gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);
}
</script>
<script type="x-shader/x-fragment" id="fshader">
  varying vec3 vNormal;
  varying vec3 pos;
  void main()
  {
   gl_FragColor = vec4(vNormal, 1.0);
  }
</script>