equals = (a, b) => {
  const aedges = a.edges
  const bedges = b.edges

  if (aedges.length !== bedges.length) {
    return false
  }

  const isEqual = aedges.reduce((acc, aedge, i) => {
    const bedge = bedges[i]
    const d = vec3.squaredDistance(aedge[0], bedge[0])
    return acc && (d < Number.EPSILON)
  }, true)

  return isEqual
}
Determine if the given slices have the same edges.
@param {slice} a - the first slice to compare
@param {slice} b - the second slice to compare
@returns {Boolean} true if the slices are equal
@alias module:modeling/extrusions/slice.equals