逐步讲解用C#实现俄罗斯方块之核心代码[完结篇]

这里先给出shape类的所有代码

using System;
using System.Collections.Generic;
using System.Windows.Forms;
using System.Drawing;
using System.Text;

namespace Fang
...{
    public class sharp
    ...{
        //用于记录分数
        //用于记录已经触底的图像
        protected PictureBox[] oldpb=new PictureBox[1000];
        //用于控制移动中的图像
        public PictureBox[] pb = new PictureBox[4];
        //图像的初始化位置
        private int initX = 100;
        private int initY = 10;

        //构造函数[参数用于制定控件添加到什么窗口]
        public sharp(Form f)
        ...{
            newObj(f);
        }

        //用于给定时器调用 向下移动
        public void moveDown(Form f)
        ...{
            for (int i = 0; i < 4; i++)
            ...{
                //向下移动
                pb[i].Location = new Point(pb[i].Location.X, pb[i].Location.Y + 10);
            }
            //调用check来判断是否到底 
            if (check(f))
            ...{
                //到底着构建新图像
                makeNew();
            }
        }

        //用于旋转图形
        public void Roll()
        ...{
           
            int Sx = pb[2].Location.X - pb[0].Location.X;
            int Sy = pb[2].Location.Y - pb[0].Location.Y;
            //根据计算
            if         (Sx >= 0 && Sy < 0) Rollx(-1,-1);
            else if (Sx < 0 && Sy <= 0) Rollx(-1,1); 
            else if (Sx <= 0 && Sy > 0) Rollx(1,1);
            else if (Sx > 0 && Sy >= 0) Rollx(1,-1);
        }

        //ROllX()由下面的4个方法综合而成

        /**/////四个象限的旋转方法
        //private void Roll1()//在第一象限转第二象限
        // {
        //     for (int i = 1; i < 4; i++)
        //     {
        //         int x = System.Math.Abs(pb[0].Location.X - pb[i].Location.X);
        //         int y = System.Math.Abs(pb[0].Location.Y - pb[i].Location.Y);
        //         pb[i].Location = new Point(pb[0].Location.X - y, pb[0].Location.Y - x);
        //     }
        //     //如果坐标越界就进行反旋转
        //     if (pb[0].Location.X > 200 || pb[1].Location.X > 200 || pb[2].Location.X > 200 || pb[3].Location.X > 200) Roll4();
        //     if (pb[0].Location.X < 0 || pb[1].Location.X < 0 || pb[2].Location.X < 0 || pb[3].Location.X < 0) Roll4();
        // }
        // private void Roll2()//在2转3
        // {
        //     for (int i = 1; i < 4; i++)
        //     {
        //         int x = System.Math.Abs(pb[0].Location.X - pb[i].Location.X);
        //         int y = System.Math.Abs(pb[0].Location.Y - pb[i].Location.Y);
        //         pb[i].Location = new Point(pb[0].Location.X - y, pb[0].Location.Y + x);
        //     }
        //     //如果坐标越界就进行反旋转
        //     if (pb[0].Location.X < 0 || pb[1].Location.X < 0 || pb[2].Location.X < 0 || pb[3].Location.X < 0) Roll1();
        //     if (pb[0].Location.X > 200 || pb[1].Location.X > 200 || pb[2].Location.X > 200 || pb[3].Location.X > 200) Roll1();
        // }
        // private void Roll3()//在3转4
        // {
        //     for (int i = 1; i < 4; i++)
        //     {
        //         int x = System.Math.Abs(pb[0].Location.X - pb[i].Location.X);
        //         int y = System.Math.Abs(pb[0].Location.Y - pb[i].Location.Y);
        //         pb[i].Location = new Point(pb[0].Location.X + y, pb[0].Location.Y + x);
        //     }
        //     //如果坐标越界就进行反旋转
        //     if (pb[0].Location.X < 0 || pb[1].Location.X < 0 || pb[2].Location.X < 0 || pb[3].Location.X < 0) Roll2();
        //     if (pb[0].Location.X > 200 || pb[1].Location.X > 200 || pb[2].Location.X > 200 || pb[3].Location.X > 200) Roll2();
        // }
        // private void Roll4()//在4转1
        // {
        //     for (int i = 1; i < 4; i++)
        //     {
        //         int x = System.Math.Abs(pb[0].Location.X - pb[i].Location.X);
        //         int y = System.Math.Abs(pb[0].Location.Y - pb[i].Location.Y);
        //         pb[i].Location = new Point(pb[0].Location.X + y, pb[0].Location.Y - x);
        //     }
        //     //如果坐标越界就进行反旋转
        //     if (pb[0].Location.X > 200 || pb[1].Location.X > 200 || pb[2].Location.X > 200 || pb[3].Location.X > 200) Roll3();
        //     if (pb[0].Location.X < 0 || pb[1].Location.X < 0 || pb[2].Location.X < 0 || pb[3].Location.X < 0) Roll3();
        // }

        //检查是否到底 到底则进行转换
        private void Rollx(int a,int b)
        ...{
            bool flag=true;
            PictureBox[] tmpPB=new PictureBox[4];
            for(int i=0;i<4;i++)
            ...{
                tmpPB[i]=new PictureBox();
                int x = System.Math.Abs(pb[0].Location.X - pb[i].Location.X);
                int y = System.Math.Abs(pb[0].Location.Y - pb[i].Location.Y);
                tmpPB[i].Location = new Point(pb[0].Location.X +a* y, pb[0].Location.Y +b*x);
                if (!checkPes(tmpPB[i].Location)) flag = false;
            }
            if (flag)
            ...{
                for (int i = 0; i < 4; i++)
                ...{
                    int x = System.Math.Abs(pb[0].Location.X - pb[i].Location.X);
                    int y = System.Math.Abs(pb[0].Location.Y - pb[i].Location.Y);
                    pb[i].Location = new Point(pb[0].Location.X + a * y, pb[0].Location.Y + b * x);
                }
            }
        }

        public bool check(Form f)
        ...{
            for(int i=0;i<4;i++)
            ...{
                if (pb[i].Location.Y > 500)
                ...{
                    //任一一个图像到底则整个图像进行转换
                    changToOld(f);
                    return true;
                }
                //判断该图像所对应的位置的下方是否有已经触底的图形
                int x