public void Generate(int goalX, int goalY)
        {
            this.solvedMap[goalX, goalY] = 0;
            this.orderedTilesToGenerate.Add(new Vector2(goalX, goalY));
            while (this.orderedTilesToGenerate.Count > 0)
            {
                Vector2 toExpand = this.orderedTilesToGenerate[0];
                int x = (int)toExpand.X;
                int y = (int)toExpand.Y;
                int currentVal = this.solvedMap[x, y];
                int nextVal = currentVal + 1;
                if (x != 0)
                {
                    if (this.solvedMap[x - 1, y] == -2)
                    {
                        this.solvedMap[x - 1, y] = currentVal + 1;
                        this.orderedTilesToGenerate.Add(new Vector2(x - 1, y));
                    }
                }
                if (x != this.width - 1)
                {
                    if (this.solvedMap[x + 1, y] == -2)
                    {
                        this.solvedMap[x + 1, y] = currentVal + 1;
                        this.orderedTilesToGenerate.Add(new Vector2(x + 1, y));
                    }
                }
                if (y != 0)
                {
                    if (this.solvedMap[x, y - 1] == -2)
                    {
                        this.solvedMap[x, y - 1] = currentVal + 1;
                        this.orderedTilesToGenerate.Add(new Vector2(x, y - 1));
                    }
                }
                if (y != this.height - 1)
                {
                    if (this.solvedMap[x, y + 1] == -2)
                    {
                        this.solvedMap[x, y + 1] = currentVal + 1;
                        this.orderedTilesToGenerate.Add(new Vector2(x, y + 1));
                    }
                }
                this.orderedTilesToGenerate.Remove(toExpand);
                this.totalcalls++;
            }
        }