code: function(frustum) {
          // Check if all coords of frustum is on plane all under plane
          var coords = frustum.vertices;
          var normal = this.normal.array;
          var onPlane = vec3.dot(coords[0].array, normal) > this.distance;
          for (var i = 1; i < 8; i++) {
              if ((vec3.dot(coords[i].array, normal) > this.distance) != onPlane) {
                  return true;
              }
          }
      }
docs: If the plane intersect a frustum
  @param  {clay.Frustum} Frustum
  @return {boolean}