palette.cs

陈广老师讲课的源代码

           
        }

        /// <summary>   public void DeasilRotate()
        /// 顺时针旋转
        /// </summary>
        public void DeasilRotate()  
        {
            for (int i = 0; i < runBlock.Length;i++ )
            {
                int x = runBlock.XPos + runBlock[i].Y;
                int y = runBlock.YPos + runBlock[i].X;
                if (x < 0 || x > _width - 1)    //超出左右边界
                    return;
                if (y < 0 || y > _height - 1)   //超出上下边界
                    return;
                if(!coorArr[x,y].IsEmpty)       //旋转后有方块
                    return ;
            }
            runBlock.erase(gpPlatette);
            runBlock.DeasilRotate();
            runBlock.Paint(gpPlatette);
        }

        /// <summary>   public void DisecRotate()
        /// 逆时针旋转
        /// </summary>
        public void DisecRotate()  
        {
            for (int i = 0; i < runBlock.Length; i++)
            {
                int x = runBlock.XPos - runBlock[i].Y;
                int y = runBlock.YPos - runBlock[i].X;
                if (x < 0 || x > _width - 1)    //超出左右边界
                    return;
                if (y < 0 || y > _height - 1)   //超出上下边界
                    return;
                if (!coorArr[x, y].IsEmpty)       //旋转后有方块
                    return;
            }
            runBlock.erase(gpPlatette);
            runBlock.DisecRotate();
            runBlock.Paint(gpPlatette);
        }

        /// <summary>
        /// 重绘画布背景
        /// </summary>
        /// <param name="gra">背景画布</param>
        private void PaintBackGround(Graphics gra)   
        {
            gra.Clear(disapperColor);   //清空画板
            for(int i=0;i<_width;i++)
            {
                for (int j = 0; j < _height;j++ )
                {
                    if (!coorArr[i, j].IsEmpty)      //此小块内不为空则要重绘
                    {
                        SolidBrush sb = new SolidBrush(coorArr[i,j]);
                        gra.FillRectangle(sb,i*rectPix+1,j*rectPix+1,rectPix-1,rectPix-2);
                    }
                }
            }
        }

        /// <summary>
        /// 重画整 个画板(背景（下边已经存在的方块）和正在下落的方块)
        /// </summary>
        /// <param name="gra">背景画布</param>
        public void PaintPlatte(Graphics gra)   
        {
            PaintBackGround(gra);
            if(runBlock!=null)
            {
                runBlock.Paint(gra);
            }

        }

        /// <summary>
        /// 重画下一个方块
        /// </summary>
        /// <param name="gra">背景画布</param>
        public void PaintReady(Graphics gra)    
        {
            if (readyBlock != null)
                readyBlock.Paint(gra);
        }

        /// <summary>
        /// 检查、结束方块的移动
        /// </summary>
        public void CheckAndOverBlock() 
        {
            bool over = false;
            for (int i = 0; i < runBlock.Length;i++ )
            {
                int x = runBlock.XPos + runBlock[i].X;
                int y = runBlock.YPos - runBlock[i].Y;
                if(y==_height-1)    //到达下边界
                {
                    over = true;
                    break;
                }
                if(!coorArr[x,y+1].IsEmpty)    //如果下边有其它方块，
                {
                    over = true;
                    break;
                }
            }

             if(over)
             {
                 for (int i = 0; i < runBlock.Length;i++ )  //把当前方块放入coorArr（当成背景色）
                 {
                     coorArr[runBlock.XPos + runBlock[i].X, runBlock.YPos - runBlock[i].Y] = runBlock.BlockColor;
                 }
                 DeleFullRow(); //检查是否有满行
                 //产生的新广场
                 runBlock = readyBlock;
                 runBlock.XPos = _width / 2;
                 int y = 0;
                 for (int i = 0; i < runBlock.Length; i++)   //找出方块的最高点
                 {
                     if (runBlock[i].Y > y)
                     {
                         y = runBlock[i].Y;
                     }
                 }
                 runBlock.YPos = y;

                 for (int i = 0; i < runBlock.Length;i++ )
                 {
                     if (!coorArr[runBlock.XPos + runBlock[i].X, runBlock.YPos - runBlock[i].Y].IsEmpty)    //游戏结束
                     {
                         StringFormat sf = new StringFormat();
                         sf.Alignment = StringAlignment.Center;
                         gpPlatette.DrawString("GAME OVER",new Font("Arial Black",30f),new SolidBrush(Color.Yellow),new RectangleF(0,_height*rectPix/2-100,_width*rectPix,100),sf);
                         myTimer.Stop();
                         return;
                     }

                 }
                 blockNum++;
                // gpPlatette.Clear(disapperColor);    //清空画布
                 runBlock.Paint(gpPlatette);
                 Thread.Sleep(20);

                 readyBlock = bFactory.GetBlock();
                 readyBlock.XPos = 2;
                 readyBlock.YPos = 2;
                 gpReady.Clear(disapperColor);   //清空画布
                 readyBlock.Paint(gpReady);

                 
             }
        }

        /// <summary>
        /// 删除满行
        /// </summary>
        public void DeleFullRow()
        { 
            //找出当前方块纵坐标的范围
            int lowRow = runBlock.YPos - runBlock[0].Y;
            int highRow = lowRow;
            for (int i = 1; i < runBlock.Length;i++ )
            {
                int y = runBlock.YPos - runBlock[i].Y;
                if(y<lowRow)
                {
                    lowRow = y;
                }
                if(y>lowRow)
                {
                    highRow = y;
                }
            }

            bool rePaint = false;
            for (int i = lowRow; i <= highRow;i++ )
            {
                bool isFull =true;
                for (int j = 0; j < _width;j++ )    //判断 是否满行 
                {
                        if(coorArr[j,i].IsEmpty)
                        {
                            isFull = false;
                            break;
                        }
                }
                if(isFull)      //是满行
                {
                    rePaint=true;   //要重画
                    for(int k=i;k>0;k--)        //将第N行的图案替换成第N-1行
                    {
                        for(int j=0;j<_width;j++)
                        {
                            coorArr[j,k]=coorArr[j,k-1];
                        }
                    }
                    for(int j=0;j<_width;j++)   //清空第0行
                    {
                        coorArr[j,0]=Color.Empty;
                    }

                    rowDelNum++;        //清空行数加1
                    if (rowDelNum >= levelNum)  // 设置级数
                    {
                        level++;
                        levelNum +=levelModu;     //为下一级增加难度（所要删除的行数）                       
                        this.myTimer.Interval = 500 - 50 * (level - 1); 
                    }

                }
            }
            if(rePaint)    
                PaintBackGround(gpPlatette);
        }
        
        /// <summary>
        /// 暂停
        /// </summary>
        public void Pause()
        { 
            if(myTimer.Enabled==true)
            {
                myTimer.Enabled = false;
                this.atPause = DateTime.Now;
            }
        }

        /// <summary>
        /// 继续
        /// </summary>
        public void GoOn()
        {
            if (myTimer.Enabled == false)
            {
                myTimer.Enabled = true;
                this.atStart = DateTime.Now;
            }
        }

        /// <summary>
        /// 关闭资源
        /// </summary>
        public void Close()
        {
            myTimer.Close();
            gpPlatette.Dispose();
            gpReady.Dispose();
        }

        /// <summary>
        /// 显示当前状态
        /// </summary>
        public void ShowStatus()
        {           
            gpStatus.Clear(Color.White);
            StringFormat sf = new StringFormat();
            sf.Alignment = StringAlignment.Near;
            showStatusFontSize = this._width * this._height / 60;
            gpStatus.DrawString("级 别：" + level + "\n\n块 数：" + blockNum + "\n\n分 数：" + rowDelNum*100 + "\n\n速 度：" + (speed.ToString()).Substring(0, 4) + "块/每秒 ", new Font("Arial Black", showStatusFontSize), new SolidBrush(Color.Black), new RectangleF(10, 20, 100, 200), sf);
          
        }
      
    }
}