text: /**
      @function pointDistanceSquared
      @desc Returns the squared euclidean distance between two points.
      @param {Array} p1 The first point, which should always be an `[x, y]` formatted Array.
      @param {Array} p2 The second point, which should always be an `[x, y]` formatted Array.
      @returns {Number}
  */
  export default (function (p1, p2) {
    var dx = p2[0] - p1[0],
        dy = p2[1] - p1[1];
    return dx * dx + dy * dy;
  });