public double GetDistanceBtwnEdges(Cell other) { return this.GetDistanceBtwnCenters(other) - this.Radius - other.Radius; }
public double GetDistanceBtwnCenters(Cell other) { return Math.Sqrt(Math.Pow(other.x - this.x, 2) + Math.Pow(other.y - this.y, 2)); }