export class CircumferenceModel { constructor(center, radius) { this.center = center; this.radius = radius; this._coordinates = []; this._coordinates[0] = this.center.posX; this._coordinates[1] = this.center.posY; this._coordinates[2] = this.radius.posX; this._coordinates[3] = this.radius.posY; } update(aggregator, event) { } getRadius() { const legA = this._coordinates[2] - this._coordinates[0]; const legB = this._coordinates[3] - this._coordinates[1]; const radius = Math.sqrt(Math.pow(legA, 2) + Math.pow(legB, 2)); return radius; } }