squaredDistance = (a, b) => {
  const x = b[0] - a[0]
  const y = b[1] - a[1]
  return x * x + y * y
}
Calculates the squared distance between the given vectors.

@param {vec2} a - first operand
@param {vec2} b - second operand
@returns {Number} squared distance
@alias module:modeling/maths/vec2.squaredDistance