#include <graphics.h>
#include <bios.h>
#define mDRAW 5
#define mLINE 6
#define mADOWN 7
#define mGEN 8
#define mLEFT 75
#define mRIGHT 77
#define mSPACE 57
#define mDOWN 80
#define mESC 1
#define TIMEINT 2
#define MAXX 9
#define MAXY 30
#define BACKCOLOR BLACK
#define WINX 50
#define WINY 470
#define GAP 6
#define AREAX (WINX+GAP)
#define AREAY (WINY-GAP)
#define BOXW 15
int oldarea[MAXY+1][MAXX];
int area[MAXY+1][MAXX];
int actW,actH,actX,actY;
int curX,curY,curColor,curW,curH;
int newX,newY,newColor,newW,newH;
int active;
int box[4][4];
int FORCOLOR;
int MESSAGE;
int BOX[7][4][4]={
{
{1,1,1,1},
{0,0,0,0},
{0,0,0,0},
{0,0,0,0}
},{
{1,1,1,0},
{1,0,0,0},
{0,0,0,0},
{0,0,0,0}
},{
{1,1,1,0},
{0,0,1,0},
{0,0,0,0},
{0,0,0,0}
},{
{1,1,1,0},
{0,1,0,0},
{0,0,0,0},
{0,0,0,0}
},{
{1,1,0,0},
{0,1,1,0},
{0,0,0,0},
{0,0,0,0}
},{
{0,1,1,0},
{1,1,0,0},
{0,0,0,0},
{0,0,0,0}
},{
{1,1,0,0},
{1,1,0,0},
{0,0,0,0},
{0,0,0,0}
}
};
void init();
void draw();
int genBox();
int getKey();
void lineFull();
int moveLeft();
int moveRight();
int moveDown();
int rotate();
int getW();
int getH();
void clearOldBox();
void putNewBox();
int collisionRotate(int box[][4]);
void getMessage();
void dispatchMessage();
int timeCome();
void fallDown();
int gameOver();
main()
{
int i;
init();
do
{
getMessage();
dispatchMessage();
}
while(!gameOver());
getch();
closegraph();
}
void getMessage()
{
if(MESSAGE) return;
if(timeCome())
{
MESSAGE=mADOWN;
return;
}
if(bioskey(1))
{
MESSAGE=bioskey(0)>>8;
return;
}
}
void dispatchMessage()
{
switch(MESSAGE)
{
case mLEFT: moveLeft();break;
case mRIGHT: moveRight();break;
case mADOWN: moveDown();break;
case mSPACE: rotate();break;
case mDOWN: fallDown(); break;
case mDRAW: draw();break;
case mLINE: lineFull();break;
case mGEN: genBox();break;
case mESC: closegraph(); exit(0);
default: MESSAGE=0;
}
}
void fallDown()
{
while(active)
{
moveDown(); draw();
}
MESSAGE=mLINE;
}
int timeCome()
{
static long tm, old;
tm=biostime(0,tm);
if(tm-old<TIMEINT) return 0;
else
{
old=tm; return 1;
}
}
void init()
{
int i,j,x1,y1,x2,y2;
int driver=DETECT, mode=0;
randomize();
registerbgidriver(EGAVGA_driver);
initgraph(&driver,&mode,"");
cleardevice();
setfillstyle(SOLID_FILL,BLUE);
bar(0,0,639,479);
x1=AREAX;
y1=AREAY-BOXW*MAXY;
x2=AREAX+MAXX*BOXW;
y2=AREAY;
rectangle(--x1,--y1,++x2,++y2);
setfillstyle(SOLID_FILL,BLACK);
bar(++x1,++y1,--x2,--y2);
y1=AREAY-MAXY*BOXW; y2=AREAY;
setcolor(DARKGRAY);
for(i=0;i<MAXX;i++)
{
x1=AREAX+i*BOXW;
line(x1,y1,x1,y2);
}
x1=AREAX; x2=x1+MAXX*BOXW;
for(j=0;j<MAXY;j++)
{
y1=AREAY-j*BOXW;
line(x1,y1,x2,y1);
}
for(j=0;j<MAXY;j++)
for(i=0;i<MAXX;i++)
area[j][i]=oldarea[j][i]=0;
actX=0; actY=0; actW=MAXX-1; actH=MAXY-1;
draw();
MESSAGE=mGEN;
}
int genBox()
{
int i,j,boxidx;
boxidx=random(7); FORCOLOR=random(7)+1;
for(j=0;j<4;j++)
for(i=0;i<4;i++)
box[j][i]=BOX[boxidx][j][i];
curW=getW(); curH=getH();
curX=(MAXX+curW)/2;
if(curX+curW>=MAXX)curX=MAXX-1-curW;
curY=MAXY-1-curH;
newX=curX; newY=curY; actX=curX;actY=curY;
actW=newW=curW; actH=newH=curH;
active=1;
if(collision(box)) return 0;
putNewBox();
draw(); MESSAGE=0;
return 1;
}
void lineFull()
{
int row,col, rowEnd,full,i,j;
rowEnd=newY+newH;
if(rowEnd>=MAXY-1) rowEnd=MAXY-2;
for(row=newY; row<=rowEnd;)
{
full=1;
for(col=0;col<MAXX;col++)
if(!area[row][col]){full=0; break;}
if(!full){++row; continue;}
for(j=row; j<MAXY-1;j++)
for(i=0;i<MAXX;i++)
area[j][i]=area[j+1][i];
actX=0;actY=row; actW=MAXX-1; actH=MAXY-1-row;
draw(); rowEnd--;
}
MESSAGE=mGEN;
}
void draw()
{
int row,col,x1,y1,x2,y2;
for(row=actY;row<=actY+actH;row++)
for(col=actX;col<=actX+actW;col++)
if(area[row][col]!=oldarea[row][col])
{
if(area[row][col]==0)
setfillstyle(SOLID_FILL,BACKCOLOR);
else
setfillstyle(SOLID_FILL,FORCOLOR);
x1=AREAX+col*BOXW; x2=x1+BOXW;
y1=AREAY-(row+1)*BOXW; y2=y1+BOXW;
bar(++x1,++y1,--x2,--y2);
oldarea[row][col]=area[row][col];
}
MESSAGE=0;
}
int moveLeft()
{
newX=curX-1; clearOldBox();
if(collision(box))
{
newX=curX;
putNewBox();
MESSAGE=0;
return 0;
}
putNewBox();
actW=curW+1; actX=curX=newX;
MESSAGE=mDRAW;
return 1;
}
int moveRight()
{
newX=curX+1; clearOldBox();
if(collision(box))
{
newX=curX;
putNewBox();
MESSAGE=0;
return 0;
}
putNewBox();
actW=curW+1; actX=curX; curX=newX;
MESSAGE=mDRAW;
return 1;
}
int moveDown()
{
int i,j;
newY=curY-1;
clearOldBox();
if(collision(box))
{
newY=curY;
putNewBox();
active=0;
MESSAGE=mLINE;
return 0;
}
putNewBox();
actH=curH+1; actY=newY; curY=newY;
MESSAGE=mDRAW;
return 1;
}
int rotate()
{
int newBox[4][4];
int i,j;
clearOldBox();
for(j=0;j<4;j++)
for(i=0;i<4;i++)
newBox[j][i]=0;
for(j=0;j<4;j++)
for(i=0;i<4;i++)
newBox[curW-i][j]=box[j][i];
newW=curH; newH=curW;
if(collisionRotate(newBox))
{
newW=curW; newH=curH; newX=curX; newY=curY;
putNewBox();
MESSAGE=0;
return 0;
}
for(j=0;j<4;j++)
for(i=0;i<4;i++)
box[j][i]=newBox[j][i];
putNewBox();
actH=newH>curH? newH:curH;
actW=curX+actH-newX;
actX=newX; actY=newY; curX=newX;
curY=newY; curW=newW; curH=newH;
MESSAGE=mDRAW;
return 1;
}
int getW()
{
int i,j;
for(i=3;i>0;i--)
for(j=0;j<4;j++)
if(box[j][i]) return i;
return 0;
}
int getH()
{
int i,j;
for(j=3;j>0;j--)
for(i=0;i<4;i++)
if(box[j][i]) return j;
return 0;
}
void clearOldBox()
{
int i,j;
for(j=0;j<=curH; j++)
for(i=0;i<=curW; i++)
if(box[j][i])
area[curY+j][curX+i]=0;
}
void putNewBox()
{
int i,j;
for(j=0;j<=newH;j++)
for(i=0;i<=newW;i++)
if(box[j][i])
area[newY+j][newX+i]=FORCOLOR;
}
int collision(int cbox[][4])
{
int i,j;
if(newX<0) return 1;
if(newX+newW>=MAXX) return 1;
if(newY<0) return 1;
for(j=0;j<=newH;j++)
for(i=0;i<=newW;i++)
if(area[newY+j][newX+i]&&cbox[j][i]) return 1;
return 0;
}
int collisionRotate(int cbox[][4])
{
int i,j;
if(newX+newW>=MAXX) newX=MAXX-1-newW;
if(newY+newH>=MAXY) newY=MAXY-1-newH;
if(collision(cbox)) return 1;
for(i=0;i<=newW;i++)
for(j=0;j<=newH;j++)
if(area[newY+j][newX+i])
{
newX-=newW-i+1; goto L;
}
L: return collision(cbox);
}
int gameOver()
{
if(!active &&(curY+curH>MAXY-3)) return 1;
else return 0;
}
回答者： mmeshow - 魔法師 四級 2008-7-5 15:23
/*由於自己算法的問題向左位移有些問題
在TC2下通過*/
#include <stdio.h>
#include <conio.h>
#include <dos.h>
#include <graphics.h>
#include <stdlib.h>
#include <time.h>
#include <bios.h>
#define ESC 0x011b
#define UP 0x4800
#define DOWN 0x5000
#define LEFT 0x4b00
#define RIGHT 0x4d00
#define SPACE 0x3920
#define Y 0x1579
#define N 0x316e
#define clearkbd(); while(bioskey(1)) bioskey(0); /*清空鍵盤緩沖隊列*/
void update();
void messagebox();
void process();
void initremove();
void initinfo();
void initbox();
void initposition();
void next_shape();
typedef struct shape /*形狀單壹狀態的記錄*/
{ int attr;
int co[8];
}shape;
typedef struct RE_AB /*相對,絕對坐標記錄*/
{ int Rx,Ry;
int x1,x2,y1,y2;
}RE_AB;
RE_AB RA;
shape p[19]={ { RED,0,1,1,0,1,1,2,1 }, /*數組中保證y最大的在最後，以便initposition使用*/
{ RED,0,1,1,0,1,1,1,2 },
{ RED,0,0,1,0,2,0,1,1 },
{ RED,0,0,0,1,1,1,0,2 },
{ GREEN,0,0,1,0,2,0,3,0 },
{ GREEN,0,0,0,1,0,2,0,3 },
{ CYAN,0,0,0,1,1,0,1,1 },
{ BROWN,0,0,1,0,1,1,2,1 },
{ BROWN,1,0,0,1,1,1,0,2 },
{ BLUE,1,0,2,0,1,1,0,1 },
{ BLUE,0,0,0,1,1,1,1,2 },
{ MAGENTA,0,0,0,1,0,2,1,2 },
{ MAGENTA,2,0,0,1,1,1,2,1},
{ MAGENTA,0,0,1,0,1,1,1,2 },
{ MAGENTA,0,0,0,1,1,0,2,0 },
{ YELLOW,0,2,1,0,1,1,1,2 },
{ YELLOW,0,0,1,0,2,0,2,1 },
{ YELLOW,1,0,0,0,0,1,0,2},
{ YELLOW,0,0,0,1,1,1,2,1 },
};
int nback,nleft,nright,r_f[12][22],rs1,rs2,xcors,xcorb,ycors,ycorb;
/*檢查方快有沒有左,右,下接觸,遊戲區內所有格子有無顏色記錄數組,rs1形狀記錄,rs2為提示框用,記錄小格子在遊戲區中的位置,按鍵存儲*/
void interrupt (*oldint)(); /*系統定時中斷*/
int count_down=0,count_other=0; /*中斷記時*/
void interrupt newint() /*設置新的中斷程序*/
{ count_down++;
count_other++;
oldint();
}
void intenable() /*設置中斷向量表，啟動新的中斷程序*/
{ oldint=getvect(0x1c);
disable();
setvect(0x1c,newint);
enable();
}
void intrestore() /*恢復中斷向量*/
{ disable();
setvect(0x1c,oldint);
enable();
}
void HZ12(int x0,int y0,int w,int color,char *s) /*根據字模,在dos下顯示漢字*/
/*橫坐標,縱坐標,字間隔,漢字顏色,漢字字符串*/
{ FILE *fp;
register char buffer[24];
register char str[2];
unsigned long fpos;/*fpos為最終偏移動量*/
register int i,j,k;
fp=fopen("hzk12","r");/*打開12*12漢字苦*/
while(*s)/*壹直到字符串結束為止*/
{
if(*s<0)/*漢字輸出*/
{ str[0]=(*s)-0xa0;
str[1]=*(s+1)-0xa0;
fpos=((str[0]-1)*94+(str[1]-1))*24L;/*計算漢字在hzk12的偏移量*/
fseek(fp,fpos,SEEK_SET);/*指針移動到當前位置*/
fread(buffer,24,1,fp);/*讀取壹個漢字到數組中*/
for(i=0;i<12;i++)/*12行*/
for(j=0;j<2;j++)/*兩個字節*/
for(k=0;k<8;k++)/*8位*/
if (((buffer[i*2+j]>>(7-k))&0x1)!=NULL)/*是壹就畫點*/
putpixel(x0+8*j+k,y0+i,color);
s+=2;/*壹個漢字占兩個字節，現在將指針移動兩個字節*/
x0+=w;/*顯示坐標也按照間隔移動*/
}
else/*顯示非漢字字符*/
{ settextstyle(0,0,1);
setcolor(color);
str[0]=*s;str[1]=0;
outtextxy(x0,y0+3,str);/*顯示單個字符*/
x0+=w-7;/*顯示單個字符後的x坐標變化*/
s++;/*指針移動到下壹個字節*/
}
}
fclose(fp);
}
void translation() /*把相對坐標解釋為絕對坐標*/
{ if(RA.Rx==1)
{ RA.x1=1; RA.x2=16; }
else
{ RA.x1=16*(RA.Rx-1); RA.x2=16*RA.Rx; }
if(RA.Ry==1)
{ RA.y1=1; RA.y2=16; }
else
{ RA.y1=16*(RA.Ry-1); RA.y2=16*RA.Ry; }
}
int check_b() /*檢查是否到達低部*/
{ int x,y,i,zf=0; /*zf為是否有顏色填充記錄*/
for(i=0;i<7;i++,i++)
{ x=RA.Rx+p[rs1].co[i];
y=RA.Ry+p[rs1].co[i+1];
if(y>=6)
zf+=r_f[x-15][y-6+1];
}
if(zf==0)
return 1;
else
return 0;
}
int finish()
{ int tfull=0,i; /*判斷頂層空間是否有填充*/
for(i=1;i<11;i++)
tfull+=r_f[i][1];
if(tfull!=0)
return 1; /*告訴judge()可以結束了*/
}
int check_l() /*檢查形狀是否與左接觸*/
{ int x,y,i,zf=0;
for(i=0;i<7;i++,i++)
{ x=RA.Rx+p[rs1].co[i];
y=RA.Ry+p[rs1].co[i+1];
if(y>6)
zf+=r_f[x-15-1][y-6];
if(y<=6&&x==16)
zf+=1;
}
if(zf==0)
return 1;
else
return 0;
}
int check_r() /*檢查形狀是否與右接觸*/
{ /*zf為是否有顏色填充記錄*/
int x,y,i,zf=0; /*zf為是否有顏色填充記錄*/
for(i=0;i<7;i++,i++)
{
x=RA.Rx+p[rs1].co[i];
y=RA.Ry+p[rs1].co[i+1];
if(y>6)
zf+=r_f[x-15+1][y-6];
if(y<=6&&x==25)
zf+=1;
}
if(zf==0)
return 1;
else
return 0;
}
void check_touch()
{ nback=check_b();
nleft=check_l();
nright=check_r();
}
void draw(int cb) /*畫形狀,cb=1以填充色畫形狀，cb=2以背景色畫形狀,cb=3以白色畫形狀*/
{ int i,recordx=RA.Rx,recordy=RA.Ry;
for(i=0;i<7;i++,i++)
{ RA.Rx+=p[rs1].co[i];
RA.Ry+=p[rs1].co[i+1];
if(RA.Ry<=6)
{ RA.Rx=recordx;
RA.Ry=recordy;
continue;
}
translation();
if(cb==1)
setfillstyle(1,p[rs1].attr);
else
if(cb==2)
setfillstyle(1,BLACK);
else
if(cb==3)
{ setfillstyle(1,WHITE);
r_f[RA.Rx-15][RA.Ry-6]=1; /*置對應數組標記元素*/
}
bar(RA.x1+1,RA.y1+1,RA.x2-1,RA.y2-1);
RA.Rx=recordx;
RA.Ry=recordy;
}
}
void mov(int key) /*向下,左,右移動方塊*/
{ draw(2);
if(key==LEFT&&nleft)
RA.Rx--;
else
if(key==RIGHT&&nright)
RA.Rx++;
else
RA.Ry++;
nback=check_b();
if(nback) /*判斷形狀有沒有到達底部，有就將其顏色變為白色*/
draw(1);
else
draw(3);
}
void change() /*變換形狀*/
{ int status=rs1,buffer,i,x,y,zf=0;
if(p[rs1].attr==p[rs1+1].attr)
rs1++;
else
while(p[rs1].attr==p[rs1-1].attr)
rs1--;
for(i=0;i<7;i++,i++) /*檢查變化形狀後是否與已存形狀發生沖突*/
{ x=RA.Rx+p[rs1].co[i];
y=RA.Ry+p[rs1].co[i+1];
if(y>6)
zf+=r_f[x-15][y-6];
}
if(zf!=0)
rs1=status;
buffer=rs1;
rs1=status;
status=buffer;
draw(2);
buffer=rs1;
rs1=status;
status=buffer;
nback=check_b(); /*判斷變化後的形狀是不是到達了低部,這個檢查是十分必要的*/
if(nback)
draw(1);
else
draw(3);
}
void accelerate()
{ if(count_down>=1)
{ check_touch(); /*消除上壹步動作對方塊狀態的影響*/
count_down=0;
if(nback) /*0表示到達底部,1表示沒有到達*/
mov(DOWN);
}
}
void drawbox() /*畫方塊所在方框*/
{ int xcor,ycor;
for(xcor=xcors;xcor<=xcorb;xcor++)
for(ycor=ycors;ycor<=ycorb;ycor++)
{ if(xcor==xcors||xcor==xcorb||ycor==ycors||ycor==ycorb)
{ RA.Rx=xcor;
RA.Ry=ycor;
translation();
setfillstyle(1,DARKGRAY);
bar(RA.x1+1,RA.y1+1,RA.x2-1,RA.y2-1);
}
}
}
void erasure(int k)
{ int i,j,recordx=RA.Rx,recordy=RA.Ry;
{ j=k-1;
for(;j>0;j--)
{ for(i=1;i<11;i++)
{ r_f[i][j+1]=r_f[i][j];
RA.Rx=i+15;
RA.Ry=j+1+6;
translation();
if(r_f[i][j+1]==1)
setfillstyle(1,WHITE);
else
setfillstyle(1,BLACK);
bar(RA.x1+1,RA.y1+1,RA.x2-1,RA.y2-1);
RA.Rx=recordx;
RA.Ry=recordy;
}
}
}
}
void pause()
{ HZ12(450,400,15,BLACK,"正常");
HZ12(450,400,15,GREEN,"暫停");
for(;;)
if(bioskey(1)&&bioskey(0)==SPACE)
{ clearkbd();
HZ12(450,400,15,BLACK,"暫停");
HZ12(450,400,15,RED,"正常");
return;
}
}
void judge()
{ int i,j,full=0; /*full等於10說明某壹行滿,該消除了*/
if(finish()) /*判斷遊戲是否該結束了*/
messagebox(); /*win編程裏有這個函數*/
for(j=1;j<21;j++) /*判斷某壹行是否滿了*/
{ for(i=1;i<11;i++)
full+=r_f[i][j];
if(full==10)
erasure(j); /*消除這行*/
full=0;
}
}
void update() /*使程序可以重新運行*/
{ cleardevice();
setbkcolor(BLACK);
initinfo(); /*提示信息初始化*/
initbox(); /*遊戲框架初始化*/
srand((unsigned)time(NULL)); /*隨機器函數的初始化*/
rs1=random(19);
rs2=random(19);
next_shape();
initposition(); /*方塊最開始的出現位置*/
initremove(); /*記錄每個方格有無顏色填充數組初始化*/
HZ12(450,400,15,RED,"正常");
process();
}
void EXIT()
{ closegraph();
intrestore(); /*恢復中斷向量*/
exit(0);
}
void initremove()
{ int i,j;
for(i=0;i<12;i++)
for(j=0;j<22;j++)
if(i==0||i==11||j==0||j==21)
r_f[i][j]=1;
else
r_f[i][j]=0;
}
void initinfo()
{ char aStr[2];
setcolor(RED);
outtextxy(450,100,"This game's writer is:");
HZ12(450,140,15,RED,"該程序作者:NULL");
outtextxy(525,110,"NULL");
outtextxy(450,180,"FUNCTION FOR KEYS:");
outtextxy(450,200,"UP:change the shape");
outtextxy(450,210,"DOWN:accelerate");
outtextxy(450,220,"LEFT:move left");
outtextxy(450,230,"RIGHT:move right");
outtextxy(450,240,"ESC:exit this game");
outtextxy(450,250,"SPACE:pause");
HZ12(450,260,20,RED,"上:");
HZ12(450,280,20,RED,"下:");
HZ12(450,300,20,RED,"左:");
HZ12(450,320,20,RED,"右:");
HZ12(450,340,20,RED,"ESC:退出");
HZ12(450,360,15,RED,"空格: 暫停/開始");
HZ12(450,380,15,RED,"目前狀態:");
HZ12(20,200,15,RED,"下壹個形狀");
aStr[0]=24;
aStr[1]=0;
aStr[6]=0;
HZ12(480,260,12,GREEN,aStr);
HZ12(500,260,12,GREEN,"( 變形 )");
aStr[0]=25;
aStr[1]=0;
HZ12(480,280,12,GREEN,aStr);
HZ12(500,280,12,GREEN,"( 加速 )");
aStr[0]=27;
aStr[1]=0;
HZ12(480,300,12,GREEN,aStr);
HZ12(500,300,12,GREEN,"向左");
aStr[0]=26;
aStr[1]=0;
HZ12(480,320,12,GREEN,aStr);
HZ12(500,320,12,GREEN,"向右");
}
void messagebox()
{ int key;
setcolor(GREEN);
setfillstyle(1,DARKGRAY);
rectangle(220,200,420,300);
bar(221,201,419,299);
HZ12(280,210,15,GREEN,"GAME OVER");
HZ12(275,230,15,GREEN,"重新遊戲: Y");
HZ12(275,270,15,GREEN,"退出遊戲: N");
HZ12(450,400,15,BLACK,"正常");
HZ12(450,400,15,GREEN,"GAME OVER");
for(;;)
if(bioskey(1))
{ key=bioskey(0);
if(key==Y)
{ clearkbd();
update();
}
else
if(key==N)
{ clearkbd();
EXIT();
}
else
clearkbd();
}
}
void initbox()
{ xcors=15; /*畫遊戲框*/
xcorb=26;
ycors=6;
ycorb=27;
drawbox();
xcors=2; /*畫提示框*/
xcorb=7;
ycors=6;
ycorb=11;
drawbox();
}
void initposition()
{ RA.Rx=18;
RA.Ry=6-p[rs1].co[7];;
RA.x1=0;
RA.x2=0;
RA.y1=0;
RA.y2=0;
}
void next_shape() /*畫下壹形狀提示框*/
{ int recordx=RA.Rx,recordy=RA.Ry,buffer;
RA.Rx=3;
RA.Ry=7;
draw(2);
buffer=rs1;
rs1=rs2;
rs2=buffer;
draw(1);
RA.Rx=recordx;
RA.Ry=recordy;
buffer=rs1;
rs1=rs2;
rs2=buffer;
}
void process() /*遊戲過程*/
{ for(;;)
{ check_touch();
if(!nback)
{ rs1=rs2;
rs2=random(19); /*產生另壹種方塊的碼數*/
initposition();
judge(); /*判斷某壹行是否滿了和這個遊戲是否可以結束了*/
draw(1);
next_shape();
}
if(count_other>=1)
{ count_other=0;
if(bioskey(1)) /*對按鍵的處理*/
{ int key=bioskey(0);
clearkbd(); /*清除鍵盤緩沖隊列*/
if(key==ESC)
EXIT();
if(key==LEFT&&nleft&&nback)
mov(LEFT);
if(key==RIGHT&&nright&&nback)
mov(RIGHT);
if(key==UP&&nback)
change();
if(key==SPACE)
pause();
if(key==DOWN)
accelerate();
}
}
if(count_down>=4)
{ check_touch(); /*消除上壹步動作對方塊狀態的影響*/
count_down=0;
if(nback) /*0表示到達底部,1表示沒有到達*/
mov(DOWN);
}
}/*for*/
}
main()
{ int gdriver=DETECT,gmode=0;
initgraph(&gdriver,&gmode,"c:\\turboc2"); /*啟動圖形與中斷部分*/
intenable();
update();
}