c语言用循环语句画红旗,C语言 飘动的红旗（要有旗杆）

该楼层疑似违规已被系统折叠 隐藏此楼查看此楼

画出红旗之后，想要再画一个矩形当作旗杆，却不知道怎么把两个图形合成，下面是代码，求教

#include

#include

#include

#define FLAG_X 60

#define FLAG_Y 40

#define FLAG_WID 500

#define FLAG_HI 280

#define WAVE_WID 100

#define WAVE_HI 5

#define BACKCOLOR BLACK

#define FLAGCOLOR RED

int Dy[WAVE_WID];

void InitDy(void)

{

float ang;

int i;

for (i=0;i

{

ang=(float)i/WAVE_WID*M_PI*2;

Dy[i]=WAVE_HI*sin(ang);

}

}

void DrawFlag(int offset)

{

int x,y,dy;

int i;

setbkcolor(BACKCOLOR);

cleardevice();

setcolor(FLAGCOLOR);

for (i=0;i

{

x=FLAG_X+i;

dy=Dy[(i+offset)%WAVE_WID];

y=FLAG_Y+dy;

line(x,y,x,y+FLAG_HI);

}

}

void main(void)

{

int gdriver=EGA,gmode=EGAHI;

int off,curpage,doff=5;

initgraph(&gdriver,&gmode,"");

InitDy();

off=0;

curpage=1;

while(1)

{

if (bioskey(1))

break;

if (curpage==0)

curpage=1;

else

curpage=0;

setactivepage(curpage);

DrawFlag(off);

setvisualpage(curpage);

off+=doff;

if (off>=WAVE_WID)

off-=WAVE_WID;

}

{int gdriver=DETECT,gmode;

initgraph(&gdriver,&gmode,"e:\win-tc");

cleardevice();

moveto(55,20);

lineto(60,20);

lineto(60,400);

lineto(55,400);

lineto(55,20);

getch();

closegraph();

}