Tetris 小套路

本程序在 VS2003 下調(diào)試通過。

  1. 建立工程
    打開 VS2003 選擇 文件->新建->項(xiàng)目->Visual C++ 項(xiàng)目->Win32->Win32 項(xiàng)目；項(xiàng)目名稱：Tetris，點(diǎn)擊確定。
    在彈出的 “Win32 應(yīng)用程序向?qū)А?對話框中，選擇 “應(yīng)用程序設(shè)置” -> “附加選項(xiàng)” -> “空項(xiàng)目”，點(diǎn)擊完成。

  2. 新建 tetris.cpp 文件
    選擇 “項(xiàng)目” -> “添加新項(xiàng)”，選擇 “C++ 文件(.cpp)”，名稱：tetris，點(diǎn)擊打開。

  3. 編寫 WinMain 入口函數(shù)

#include <windows.h>
int WINAPI WinMain(HINSTANCE, HINSTANCE, char *, int cmdShow)
{
}
  1. 建立程序框架
#include <windows.h>
#include <stdio.h>
/////////////////全局變量/////////////////////////////
HWND hwnd;          // 窗口句柄
/////////////////  函數(shù)  /////////////////////////////
LRESULT CALLBACK WndProc ( HWND,UINT,WPARAM,LPARAM );
int WINAPI WinMain(HINSTANCE, HINSTANCE, char *, int cmdShow)
{
  HINSTANCE hInstance=GetModuleHandle ( NULL );
  TCHAR szAppName[]=TEXT ( "teris" );
  MSG msg;
  WNDCLASS wc;
  wc.style=CS_HREDRAW|CS_VREDRAW;
  wc.lpfnWndProc=WndProc;
  wc.cbClsExtra=0;
  wc.cbWndExtra=0;
  wc.hInstance=hInstance;
  wc.hIcon=LoadIcon ( NULL,IDI_APPLICATION );
  wc.hCursor=LoadCursor ( NULL,IDC_ARROW );
  wc.hbrBackground= ( HBRUSH ) GetStockObject ( WHITE_BRUSH );
  wc.lpszMenuName=NULL;
  wc.lpszClassName=szAppName;
  if ( !RegisterClass ( &wc ) )
  {
    printf ( "RegisterClass occur errors!" );
    return 0;
  }
  hwnd=CreateWindow ( szAppName,TEXT ( "Teris Demo" ),
                      WS_OVERLAPPEDWINDOW,
                      0,0,0,0,
                      NULL,
                      NULL,
                      hInstance,
                      NULL );
  ShowWindow ( hwnd,SW_SHOW );
  UpdateWindow ( hwnd );
  while ( GetMessage ( &msg,NULL,0,0 ) )
  {
    TranslateMessage ( &msg );
    DispatchMessage ( &msg );
  }
  return msg.wParam;
}
LRESULT CALLBACK WndProc ( HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam )
{
  HDC hdc;
  PAINTSTRUCT ps;
  switch ( message )
  {
  case WM_CREATE:
    MoveWindow ( hwnd,400,10,800,600,FALSE );
    return 0;
  case WM_PAINT:
    hdc=BeginPaint ( hwnd,&ps );
    EndPaint ( hwnd,&ps );
    return 0;
  case WM_DESTROY:
    PostQuitMessage ( 0 );
    return 0;
  }
  return DefWindowProc ( hwnd,message,wParam,lParam );
}
  1. 繪制面板
#define CELL 20
#define ROWS 25
#define COLS 15
void DrawPanel ( HDC hdc );   //繪制面板
LRESULT CALLBACK WndProc ( HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam )
{
  HDC hdc;
  PAINTSTRUCT ps;
  switch ( message )
  {
  case WM_CREATE:
    MoveWindow ( hwnd,400,10,CELL*COLS+8,CELL*ROWS+32,FALSE );    //補(bǔ)齊寬度和高度
    srand ( time ( NULL ) );
    ExportBlock();
    return 0;
  case WM_PAINT:
    hdc=BeginPaint ( hwnd,&ps );
    DrawPanel ( hdc );      //繪制面板
    RefreshPanel ( hdc );    //刷新
    EndPaint ( hwnd,&ps );
    return 0;
  case WM_DESTROY:
    PostQuitMessage ( 0 );
    return 0;
  }
  return DefWindowProc ( hwnd,message,wParam,lParam );
}
void DrawPanel ( HDC hdc )    //繪制面板
{
  int x,y;
  RECT rect;
  for ( y=0; y<ROWS; y++ )
  {
    for ( x=0; x<COLS; x++ )
    {
      //計(jì)算方塊的邊框范圍
      rect.top=y*CELL+1;
      rect.bottom= ( y+1 ) *CELL-1;
      rect.left=x*CELL+1;
      rect.right= ( x+1 ) *CELL-1;
      FrameRect ( hdc,&rect, ( HBRUSH ) GetStockObject ( BLACK_BRUSH ) );
    }
  }
}
LRESULT CALLBACK WndProc ( HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam )
{
  HDC hdc;
  PAINTSTRUCT ps;
  switch ( message )
  {
  case WM_CREATE:
    MoveWindow ( hwnd,400,10,800,600,FALSE );
    return 0;
  case WM_PAINT:
    hdc=BeginPaint ( hwnd,&ps );
    DrawPanel ( hdc );      //繪制面板
    EndPaint ( hwnd,&ps );
    return 0;
  case WM_DESTROY:
    PostQuitMessage ( 0 );
    return 0;
  }
  return DefWindowProc ( hwnd,message,wParam,lParam );
}
  1. 繪制方塊
#include <time.h>
int cur_left,cur_top;          //記錄方塊當(dāng)前的位置
int width_block,height_block;  //方塊的寬帶和高度
static byte *block=NULL;       //方塊，方塊為隨機(jī)大小，采用動(dòng)態(tài)分配內(nèi)存方式，所以這里是指針變量
byte g_panel[ROWS][COLS]={0};
void RefreshPanel ( HDC hdc );     //刷新面板
bool ExportBlock();                //輸出方塊
void RefreshPanel ( HDC hdc )      //刷新面板
{
  int x,y;
  RECT rect;
  HBRUSH h_bSolid= ( HBRUSH ) GetStockObject ( GRAY_BRUSH ),
                   h_bEmpty= ( HBRUSH ) GetStockObject ( WHITE_BRUSH );
  if ( NULL==block ) return;
  //先刷屏
  for ( y=0; y<ROWS; y++ )
  {
    for ( x=0; x<COLS; x++ )
    {
      //為避免刷掉方塊的邊框，rect范圍必須比邊框范圍小1
      rect.top=y*CELL+2;
      rect.bottom= ( y+1 ) *CELL-2;
      rect.left=x*CELL+2;
      rect.right= ( x+1 ) *CELL-2;
      if ( g_panel[y][x] )
        FillRect ( hdc,&rect,h_bSolid );
      else
        FillRect ( hdc,&rect,h_bEmpty );
    }
  }
  //再定位方塊
  for ( y=0; y<height_block; y++ )
  {
    for ( x=0; x<width_block; x++ )
    {
      if ( * ( block+y*width_block+x ) )      //實(shí)心
      {
        rect.top= ( y+cur_top ) *CELL+2;
        rect.bottom= ( y+cur_top+1 ) *CELL-2;
        rect.left= ( x+cur_left ) *CELL+2;
        rect.right= ( x+cur_left+1 ) *CELL-2;
        FillRect ( hdc,&rect,h_bSolid );
      }
    }
  }
}
bool ExportBlock()      //輸出方塊
{
  int sel;
  if ( block )
  {
    free ( block );    //釋放之前分配的內(nèi)存
    block=NULL;
  }
  sel=rand() %7;
  switch ( sel )
  {
  case 0:    //水平條
    width_block=4;
    height_block=1;
    block= ( byte * ) malloc ( sizeof ( byte ) *width_block*height_block );
    * ( block+0 ) =1;    //可以理解為*(block+0*width_block+0)=1，即第一行的第一個(gè)方格，下面同理
    * ( block+1 ) =1;    //*(block+0*width_block+1)=1
    * ( block+2 ) =1;    //*(block+0*width_block+2)=1
    * ( block+3 ) =1;    //*(block+0*width_block+3)=1
    cur_top=0-height_block;
    cur_left= ( COLS-width_block ) /2;
    break;
  case 1:    //三角
    width_block=3;
    height_block=2;
    block= ( byte * ) malloc ( sizeof ( byte ) *width_block*height_block );
    * ( block+0 ) =0;    //可以理解為*(block+0*width_block+0)=0，即第一行的第一個(gè)方格，下面同理
    * ( block+1 ) =1;    //*(block+0*width_block+1)=1
    * ( block+2 ) =0;    //*(block+0*width_block+2)=0
    * ( block+3 ) =1;    //*(block+1*width_block+0)=1，第二行開始
    * ( block+4 ) =1;    //*(block+1*width_block+1)=1
    * ( block+5 ) =1;    //*(block+1*width_block+2)=1
    cur_top=0-height_block;
    cur_left= ( COLS-width_block ) /2;
    break;
  case 2:    //左橫折
    width_block=3;
    height_block=2;
    block= ( byte * ) malloc ( sizeof ( byte ) *width_block*height_block );
    * ( block+0 ) =1;    //可以理解為*(block+0*width_block+0)=1，下面同理
    * ( block+1 ) =0;    //*(block+0*width_block+1)=0
    * ( block+2 ) =0;    //*(block+0*width_block+2)=0
    * ( block+3 ) =1;    //*(block+1*width_block+0)=1
    * ( block+4 ) =1;    //*(block+1*width_block+1)=1
    * ( block+5 ) =1;    //*(block+1*width_block+2)=1
    cur_top=0-height_block;
    cur_left= ( COLS-width_block ) /2;
    break;
  case 3:    //右橫折
    width_block=3;
    height_block=2;
    block= ( byte * ) malloc ( sizeof ( byte ) *width_block*height_block );
    * ( block+0 ) =0;    //可以理解為*(block+0*width_block+0)=0，下面同理
    * ( block+1 ) =0;    //*(block+0*width_block+1)=0
    * ( block+2 ) =1;    //*(block+0*width_block+2)=1
    * ( block+3 ) =1;    //*(block+1*width_block+0)=1
    * ( block+4 ) =1;    //*(block+1*width_block+1)=1
    * ( block+5 ) =1;    //*(block+1*width_block+2)=1
    cur_top=0-height_block;
    cur_left= ( COLS-width_block ) /2;
    break;
  case 4:    //左閃電
    width_block=3;
    height_block=2;
    block= ( byte * ) malloc ( sizeof ( byte ) *width_block*height_block );
    * ( block+0 ) =1;    //可以理解為*(block+0*width_block+0)=1，下面同理
    * ( block+1 ) =1;    //*(block+0*width_block+1)=1
    * ( block+2 ) =0;    //*(block+0*width_block+2)=0
    * ( block+3 ) =0;    //*(block+1*width_block+0)=0
    * ( block+4 ) =1;    //*(block+1*width_block+1)=1
    * ( block+5 ) =1;    //*(block+1*width_block+2)=1
    cur_top=0-height_block;
    cur_left= ( COLS-width_block ) /2;
    break;
  case 5:    //右閃電
    width_block=3;
    height_block=2;
    block= ( byte * ) malloc ( sizeof ( byte ) *width_block*height_block );
    * ( block+0 ) =0;    //可以理解為*(block+0*width_block+0)=0，下面同理
    * ( block+1 ) =1;    //*(block+0*width_block+1)=1
    * ( block+2 ) =1;    //*(block+0*width_block+2)=1
    * ( block+3 ) =1;    //*(block+1*width_block+0)=1
    * ( block+4 ) =1;    //*(block+1*width_block+1)=1
    * ( block+5 ) =0;    //*(block+1*width_block+2)=0
    cur_top=0-height_block;
    cur_left= ( COLS-width_block ) /2;
    break;
  case 6:    //石頭
    width_block=2;
    height_block=2;
    block= ( byte * ) malloc ( sizeof ( byte ) *width_block*height_block );
    * ( block+0 ) =1;    //可以理解為*(block+0*width_block+0)=1，下面同理
    * ( block+1 ) =1;    //*(block+0*width_block+1)=1
    * ( block+2 ) =1;    //*(block+1*width_block+0)=1
    * ( block+3 ) =1;    //*(block+1*width_block+1)=1
    cur_top=0-height_block;
    cur_left= ( COLS-width_block ) /2;
    break;
  }
  cur_top=10;
  return block!=NULL;
}
  1. 變換方塊
void DoRedirection ( HDC hdc );  //改變方向
LRESULT CALLBACK WndProc ( HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam )
{
  HDC hdc;
  PAINTSTRUCT ps;
  switch ( message )
  {
  case WM_CREATE:
    MoveWindow ( hwnd,400,10,CELL*COLS+8,CELL*ROWS+32,FALSE );    //補(bǔ)齊寬度和高度
    srand ( time ( NULL ) );
    ExportBlock();
    return 0;
  case WM_PAINT:
    hdc=BeginPaint ( hwnd,&ps );
    DrawPanel ( hdc );      //繪制面板
    RefreshPanel ( hdc );    //刷新
    EndPaint ( hwnd,&ps );
    return 0;
  case WM_KEYDOWN:
    hdc=GetDC ( hwnd );
    switch ( wParam )
    {
    case VK_UP:                //轉(zhuǎn)向
      if ( !isPause ) DoRedirection ( hdc );
      break;
    }
    ReleaseDC ( hwnd,hdc );
    return 0;
  case WM_DESTROY:
    PostQuitMessage ( 0 );
    return 0;
  }
  return DefWindowProc ( hwnd,message,wParam,lParam );
}
void DoRedirection ( HDC hdc )    //改變方向
{
  int i,j;
  byte * temp=NULL;
  if ( NULL==block ) return;
  if ( cur_top<0 ) return;    //方塊完整顯示前不能轉(zhuǎn)向
  temp= ( byte * ) malloc ( sizeof ( byte ) *width_block*height_block );
  for ( i=0; i<width_block; i++ )
  {
    for ( j=0; j<height_block; j++ )
    {
      * ( temp+i*height_block+j ) =* ( block+ ( height_block-j-1 ) *width_block+i );
    }
  }
  //給方塊重新定位
  int incHeight=width_block-height_block;
  int incWidth=height_block-width_block;
  int temp_cur_top=cur_top-incHeight/2;
  int temp_cur_left=cur_left-incWidth/2;
  //判斷當(dāng)前空間是否足夠讓方塊改變方向
  int max_len=max ( width_block,height_block );
  //防止下標(biāo)訪問越界
  if ( temp_cur_top+max_len-1>=ROWS||temp_cur_left<0||temp_cur_left+max_len-1>=COLS )
  {
    free ( temp );    //退出前必須先釋放內(nèi)存
    return;
  }
  for ( i=0; i<max_len; i++ )
  {
    for ( j=0; j<max_len; j++ )
    {
      //轉(zhuǎn)向所需的空間內(nèi)有已被占用的實(shí)心方格存在，即轉(zhuǎn)向失敗
      if ( g_panel[temp_cur_top+i][temp_cur_left+j] )
      {
        free ( temp );    //退出前必須先釋放內(nèi)存
        return;
      }
    }
  }
  //把臨時(shí)變量的值賦給block，只能賦值，而不能賦指針值
  for ( i=0; i<height_block; i++ )
  {
    for ( j=0; j<width_block; j++ )
    {
      * ( block+i*width_block+j ) =* ( temp+i*width_block+j );
    }
  }
  //全局變量重新被賦值
  cur_top=temp_cur_top;
  cur_left=temp_cur_left;
  //交換
  i=width_block;
  width_block=height_block;
  height_block=i;
  free ( temp );    //釋放為臨時(shí)變量分配的內(nèi)存
  RefreshPanel ( hdc );
}
  1. 控制方向
void DoDownShift ( HDC hdc );    //下移
void DoLeftShift ( HDC hdc );    //左移
void DoRightShift ( HDC hdc );    //右移
void DoAccelerate ( HDC hdc );    //加速
LRESULT CALLBACK WndProc ( HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam )
{
  HDC hdc;
  PAINTSTRUCT ps;
  switch ( message )
  {
  case WM_CREATE:
    MoveWindow ( hwnd,400,10,CELL*COLS+8,CELL*ROWS+32,FALSE );    //補(bǔ)齊寬度和高度
    srand ( time ( NULL ) );
    ExportBlock();
    return 0;
  case WM_PAINT:
    hdc=BeginPaint ( hwnd,&ps );
    DrawPanel ( hdc );      //繪制面板
    RefreshPanel ( hdc );    //刷新
    EndPaint ( hwnd,&ps );
    return 0;
  case WM_KEYDOWN:
    hdc=GetDC ( hwnd );
    switch ( wParam )
    {
    case VK_LEFT:              //左移
      DoLeftShift ( hdc );
      break;
    case VK_RIGHT:              //右移
      DoRightShift ( hdc );
      break;
    case VK_UP:                //轉(zhuǎn)向
      DoRedirection ( hdc );
      break;
    case VK_DOWN:              //加速
      DoAccelerate ( hdc );
      break;
    }
    ReleaseDC ( hwnd,hdc );
    return 0;
  case WM_DESTROY:
    PostQuitMessage ( 0 );
    return 0;
  }
  return DefWindowProc ( hwnd,message,wParam,lParam );
}
void DoDownShift ( HDC hdc )      //下移
{
  if ( NULL==block ) return;
  cur_top++;
  RefreshPanel ( hdc );
}
void DoLeftShift ( HDC hdc )      //左移
{
  int x,y;
  if ( NULL==block ) return;
  if ( 0==cur_left ) return;
  if ( cur_top<0 ) return;  //方塊沒有完整顯示前，不能左移
  for ( y=0; y<height_block; y++ )
  {
    for ( x=0; x<width_block; x++ )      //從左邊開始掃描，獲取該行最左邊的實(shí)心方格塊
    {
      if ( * ( block+y*width_block+x ) )
      {
        //判斷當(dāng)前方格在面板上面左邊一個(gè)方格是否為實(shí)心，是就代表不能再左移
        if ( g_panel[cur_top+y][cur_left+x-1] ) return;

        break;    //只判斷最左邊的一個(gè)實(shí)心方格，之后直接掃描下一行
      }
    }
  }
  cur_left--;
  RefreshPanel ( hdc );
}
void DoRightShift ( HDC hdc )      //右移
{
  int x,y;
  if ( NULL==block ) return;
  if ( COLS-width_block==cur_left ) return;
  if ( cur_top<0 ) return;    //方塊完整顯示前不能右移
  for ( y=0; y<height_block; y++ )
  {
    for ( x=width_block-1; x>=0; x-- )    //從右邊開始掃描，獲取該行最右邊的實(shí)心方格塊
    {
      if ( * ( block+y*width_block+x ) )
      {
        //判斷當(dāng)前方格在面板上右邊一個(gè)方格是否為實(shí)心，是就代表不能再右移
        if ( g_panel[cur_top+y][cur_left+x+1] ) return;

        break;    //只判斷最右邊的一個(gè)實(shí)心方格
      }
    }
  }
  cur_left++;
  RefreshPanel ( hdc );
}
void DoAccelerate ( HDC hdc )      //加速
{
  if ( NULL==block ) return;
  cur_top++;
  RefreshPanel ( hdc );
}
  1. 讓方塊往下落
    ExportBlock函數(shù)里，最后面 cur_top = 10; 這句代碼去掉。
#define ID_TIMER 1
UINT timer_id=0;          //保存計(jì)時(shí)器ID
int level=0;              //級數(shù)
int interval_unit=25;     //隨級數(shù)遞增的時(shí)間間隔增量
int interval_base=300;    //時(shí)間間隔基量
LRESULT CALLBACK WndProc ( HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam )
{
  HDC hdc;
  PAINTSTRUCT ps;
  switch ( message )
  {
  case WM_CREATE:
    MoveWindow ( hwnd,400,10,CELL*COLS+8,CELL*ROWS+32,FALSE );    //補(bǔ)齊寬度和高度
    srand ( time ( NULL ) );
    ExportBlock();
    timer_id=SetTimer ( hwnd,ID_TIMER,interval_base-level*interval_unit,NULL );
    return 0;
  case WM_TIMER:
    hdc=GetDC ( hwnd );
    DoDownShift ( hdc );
    ReleaseDC ( hwnd,hdc );
    return 0;
...
}
  1. 讓方塊觸底后停住，并生成新的方塊落下
bool IsTouchBottom ( HDC hdc );      //判斷是否到達(dá)底部
void DoDownShift ( HDC hdc )      //下移
{
  if ( NULL==block ) return;
  //判斷是否到達(dá)底部
  if ( IsTouchBottom ( hdc ) )    //到底部
  {
    //消行處理
    ClearRow ( hdc );
    ExportBlock();    //輸出下一個(gè)方塊
  }
  cur_top++;
  RefreshPanel ( hdc );
}
void DoAccelerate ( HDC hdc )      //加速
{
  if ( NULL==block ) return;
  if ( IsTouchBottom ( hdc ) )
  {
    //消行處理
    ClearRow ( hdc );
    ExportBlock();
  }
  cur_top++;
  RefreshPanel ( hdc );
}
bool IsTouchBottom ( HDC hdc )
{
  int x,y;
  int i,j;
  if ( NULL==block ) return false;
  if ( ROWS==cur_top+height_block )
  {
    //固定方塊
    for ( i=0; i<height_block; i++ )
    {
      for ( j=0; j<width_block; j++ )
      {
        if ( * ( block+i*width_block+j ) ) g_panel[cur_top+i][cur_left+j]=1;
      }
    }
    return true;
  }
  for ( y=height_block-1; y>=0; y-- )      //從底行開始掃描
  {
    //判斷第一個(gè)實(shí)心方塊在面板上鄰接的下方方格是否為實(shí)心，是就代表已經(jīng)到達(dá)底部
    for ( x=0; x<width_block; x++ )
    {
      if ( * ( block+y*width_block+x ) )
      {
        if ( cur_top+y+1<0 ) return false;
        if ( g_panel[cur_top+y+1][cur_left+x] )
        {
          //判斷是否gameover
          if ( cur_top<=0 )
          {
            if ( timer_id )
            {
              KillTimer ( hwnd,ID_TIMER );
              timer_id=0;
            }
            MessageBox ( hwnd,TEXT ( "游戲結(jié)束" ),TEXT ( "MSG" ),MB_OK|MB_ICONEXCLAMATION );
            SendMessage ( hwnd,WM_CLOSE,0,0 );
          }
          //
          //固定方塊
          for ( i=0; i<height_block; i++ )
          {
            for ( j=0; j<width_block; j++ )
            {
              if ( * ( block+i*width_block+j ) ) g_panel[cur_top+i][cur_left+j]=1;
            }
          }
          return true;
        }
      }
    }
  }
  return false;
}
  1. 消除方塊，累積積分
#define SCORE_LEVEL_INC 80   //升級所需分?jǐn)?shù)值
int score=0;        //分?jǐn)?shù)
void ClearRow ( HDC hdc );      //消行
void DoDownShift ( HDC hdc )      //下移
{
  if ( NULL==block ) return;
  //判斷是否到達(dá)底部
  if ( IsTouchBottom ( hdc ) )    //到底部
  {
    //消行處理
    ClearRow ( hdc );
    ExportBlock();    //輸出下一個(gè)方塊
  }
  cur_top++;
  RefreshPanel ( hdc );
}
void DoAccelerate ( HDC hdc )      //加速
{
  if ( NULL==block ) return;
  if ( IsTouchBottom ( hdc ) )
  {
    //消行處理
    ClearRow ( hdc );
    ExportBlock();
  }
  cur_top++;
  RefreshPanel ( hdc );
}
void ClearRow ( HDC hdc )          //消行
{
  int i,j,k;
  int count=0;    //消行次數(shù)
  bool isFilled;
  //消行處理
  for ( i=ROWS-1; i>=0; i-- )
  {
    isFilled=true;
    for ( j=0; j<COLS; j++ )
    {
      if ( !g_panel[i][j] )
      {
        isFilled=false;
        break;
      }
    }
    if ( isFilled )
    {
      for ( j=0; j<COLS; j++ )
      {
        g_panel[i][j]=0;
      }
      //所有方塊往下移
      for ( k=i-1; k>=0; k-- )
      {
        for ( j=0; j<COLS; j++ )
        {
          g_panel[k+1][j]=g_panel[k][j];
        }
      }
      i=i+1;
      count++;
    }
  }
  //最高級別為9級，所以分?jǐn)?shù)極限為(9+1)*SCORE_LEVEL_INC-1
  if ( score>=10*SCORE_LEVEL_INC-1 ) return;
  //加分規(guī)則：消除行數(shù)，1行加10分，2行加15分,3行加20分,4行加30分
  switch ( count )
  {
  case 1:
    score+=10;
    break;
  case 2:
    score+=15;
    break;
  case 3:
    score+=20;
    break;
  case 4:
    score+=30;
    break;
  }
  int temp_level=score/SCORE_LEVEL_INC;
  if ( temp_level>level )
  {
    level=temp_level;
    //撤銷當(dāng)前計(jì)時(shí)器，然后重設(shè)
    if ( timer_id ) KillTimer ( hwnd,ID_TIMER );
    timer_id=SetTimer ( hwnd,ID_TIMER,interval_base-level*interval_unit,NULL );
  }
}
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