code: function getOffset(a, b) {
    // for elements that are aligned at the wall we want to compute the offset accordingly
    var edgeAligned = config.edgeAligned
  
    var tags = a.tags
    a = a.boundingPoints
    b = b.boundingPoints
    if (!a || !b) return { x: 0, y: 0, z: 0 }
  
    // check if the furniture's virtual origin should be center or edge
    var isEdgeAligned = edgeAligned.some(function(t) {
      return tags.includes(t)
    })
  
    var zOffset
    // compute offset between edges or centers
    if (isEdgeAligned) zOffset = a.min[2] - b.min[2]
    else zOffset = (a.max[2] + a.min[2]) / 2 - (b.max[2] + b.min[2]) / 2
  
    var offset = {
      // compute offset between centers
      x: (a.max[0] + a.min[0]) / 2 - (b.max[0] + b.min[0]) / 2,
      y: 0,
      z: zOffset
    }
    return offset
  }
docs: get offset based on bounding boxes