学Qt一个月了，写了超级简陋俄罗斯方块，求鼓励！解决方法

#ifndef BLOCK_#define BLOCK_#include<QtGui/QtGui>#define SIZE    40 //每个方格的单位宽度是20像素#define HEIGHT  15#define WIDTH   10  //定义游戏区的高度和宽度#define X_MIN   0    //最小x坐标#define X_MAX   10   //最大x坐标class BlockGame;class Block{       private:                int id;  //方块的种类                int x,y; //方块的坐标                int dir; //方块的方向        public:                void OnRotate();  //翻转方块                void OnLeft();    //方块左移                void OnDown();    //方块下移                void OnSink();    //方块沉底                void OnRight();   //方块右移                bool ChectBlock();  //检查方块是否可以移动                void PutBlock();   //放置方块         friend class BlockGame;};#endif

#include<QtGui/QtGui>#include"Block.h"#include"BlockGame.h"Block g_CurBlock,g_NextBlock;bool PutDown=false;int GameArea[WIDTH][HEIGHT]={0};int g_Blocks[7][4]={    {0x0f00,0x4444,0x0f00,0x4444},//I    {0x0660,0x0660,0x0660,0x0660},//田    {0x4460,0x02e0,0x0622,0x0740},//L    {0x2260,0x0e20,0x0644,0x0470},//反L    {0x0c60,0x2640,0x0c60,0x2640},//Z    {0x0360,0x4620,0x0360,0x4620},//反Z    {0x4e00,0x4c40,0x0e40,0x4640} //T    };bool Block::ChectBlock(){    int X,Y,i;    int b=g_Blocks[id][dir];    for(i=0;i<16;i++)    {        if(b&0x8000)        {            X=x+i%4;            Y=y+i/4;            if(X<X_MIN||X>=X_MAX||GameArea[X][Y]==1||Y>=HEIGHT)                return false;        }        b<<=1;    }   return true;}void Block::OnRotate(){    int dx;    Block temp=*this;    temp.dir=(temp.dir+1)%4;                if(temp.ChectBlock()==true) {dx=0;  goto rotate;}    temp.x=x-1; if(temp.ChectBlock()==true) {dx=-1; goto rotate;}    temp.x=x+1; if(temp.ChectBlock()==true) {dx=1;  goto rotate;}    temp.x=x-2; if(temp.ChectBlock()==true) {dx=-2; goto rotate;}    temp.x=x+2; if(temp.ChectBlock()==true) {dx=2;  goto rotate;}    temp.x=x-3; if(temp.ChectBlock()==true) {dx=-3; goto rotate;}    temp.x=x+3; if(temp.ChectBlock()==true) {dx=3;  goto rotate;}    return;    rotate:           dir=temp.dir;           x+=dx;}void Block::OnLeft(){    Block temp=*this;    temp.x--;    if(temp.ChectBlock()==true)    {        x--;    }}void Block::OnRight(){    Block temp=*this;    temp.x++;    if(temp.ChectBlock()==true)    {        x++;    }}void Block::OnDown(){    Block temp=*this;    temp.y++;    if(temp.ChectBlock()==true)    {        y++;    }    else    {        PutBlock();        PutDown=true;    }}void Block::PutBlock(){    int X,Y,i;    int b=g_Blocks[id][dir];    for(i=0;i<16;i++)    {        if(b&0x8000)        {            X=x+i%4;            Y=y+i/4;            GameArea[X][Y]=1;        }        b<<=1;    }}void Block::OnSink(){    Block temp=*this;    temp.y++;    while(temp.ChectBlock()==true)    {        y++;        temp.y++;    }    PutBlock();    PutDown=true;}

#ifndef BLOCKGAME_#define BLOCKGAME_#include<QtGui/QtGui>enum CTRL{ctrl_down,ctrl_up,ctrl_left,ctrl_right,ctrl_default};class BlockGame:public QWidget{    Q_OBJECT    private:         CTRL ctrl;         bool start;    public:            BlockGame(QWidget *parent=0);            void InitGame();   //初始化游戏界面            void NewGame();     // 新游戏，产生新方块            void DispatchMessage(); //翻译按键消息            void Draw_CurBlock(); //绘制当前方块            void Draw_NextBlock();  //绘制下一个方块            void NewBlock();     //产生新的方块            void RenewGameArea(); //更新游戏区，显示已落下的方块            void EraseBlock();   //擦除要消掉的方块    protected:            void paintEvent(QPaintEvent *paintevent);            void timerEvent(QTimerEvent *timerevent);            void keyPressEvent(QKeyEvent *keyevent);};#endif