如何完善 弹力球项目？？ 打不到砖块，计分？？？

补全！
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;namespace Arkanoid
{
    class 碰到小球的数量
    {  
        private int count;
        /// <summary>
        /// //碰到小球的数量
        /// </summary>        public int Count
        {
            get { return count; }
            set { count = value; }
        }
        private string Xfangxiang;
        /// <summary>
        /// //目前小球x坐标
        /// </summary>        public string Xfangxiang1
        {
            get { return Xfangxiang; }
            set { Xfangxiang = value; }
        }
       
        private string Yfangxiang;
 　　　　/// <summary>
        /// //目前小球y坐标
        /// </summary>
        public string Yfangxiang1
        {
            get { return Yfangxiang; }
            set { Yfangxiang = value; }
        }
        
    }
}
 using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Drawing;namespace Arkanoid
{
    class 小球碰撞后//小球碰到砖块后的动作
    {
        /// <summary>
        /// 50个砖块当前位置
        /// </summary>
        public static 碰到小球的数量 DisposeBrick(Point[] point, int qx, int qy, int qr, string Xfangxiang, string Yfangxiang)
        {            int bh = 17;//砖 高
            int bw = 40;//砖 宽
            碰到小球的数量 rdb = new 碰到小球的数量();
            for (int i = 0; i < 50; i++)
            {
                rdb.Count = -1;//表示未碰撞到任何一块砖
                int bx = point[i].X;
                int by = point[i].Y;//砖的y坐标                //如果球在上方或下方碰撞砖块
                if (Math.Abs(by - (qy + qr)) <= 2 || Math.Abs(qy - (by + bh)) <= 2)
                {
                    //球的x坐标不能超过砖块的x坐标范围
                    if ((qx + qr) >= bx && qx <= (bx + bw))
                    {
                        //获取方向
                        Yfangxiang = 小球碰撞后.DisposeTopDown(bx, by, bw, bh, qx, qy, qr);
                        rdb.Yfangxiang1 = Yfangxiang;
                        rdb.Count = i;
                        return rdb;
                    }
                }
                //如果球在左方或右方碰撞砖块
                if (Math.Abs(bx - (qx + qr)) <= 2 || Math.Abs(qx - (bx + bw)) <= 2)
                {
                    //球的y坐标不能超过砖块的y坐标范围
                    if ((qy + qr) >= by && qy <= (by + bh))
                    {
                        //获取方向
                        Xfangxiang = 小球碰撞后.DisposeLeftRight(bx, by, bw, bh, qx, qy, qr);
                        rdb.Xfangxiang1 = Xfangxiang;
                        rdb.Count = i;
                        return rdb;
                    }
                }
            }
                return rdb;
            }
             
              public static string DisposeTopDown(int bx, int by, int bw, int bh, int qx, int qy, int qr)
                {
                   string Yfangxiang = "";
                    if (Math.Abs(by - (qy + qr)) <= 2)
                    {
                        Yfangxiang = "Ytop";
                    }
                    else if (Math.Abs(qy - (by + bh)) <= 2)
                    {
                        Yfangxiang = "Ydown";
                    }
                    return Yfangxiang;
                }                public static string DisposeLeftRight(int bx, int by, int bw, int bh, int qx, int qy, int qr)
                {
                    string Xfangxiang = "";
                    if (Math.Abs(bx - (qx + qr)) <= 2)
                    {
                        Xfangxiang = "Xleft";
                    }
                    else if (Math.Abs(qx - (bx + bw)) <= 2)
                    {
                        Xfangxiang = "Xright";
                    }
                    return Xfangxiang;
                }
         
    }
}