constructor(members) {
    this.id = null;
    this.members = members;
    this.edges = [];
    this.insiders = [];
    this.neighbours = [];
    this.positioned = false;
    this.center = new Vector2(0, 0);
    this.rings = [];
    this.isBridged = false;
    this.isPartOfBridged = false;
    this.isSpiro = false;
    this.isFused = false;
    this.centralAngle = 0.0;
    this.canFlip = true;
  }
The constructor for the class Ring.

@param {Number[]} members An array containing the vertex ids of the members of the ring to be created.