我编的国旗图形

                               C语言图形学第一次作业

               这学期开了个C语言图形学的课，也没学到什么。这是第一次作业，献丑了。

 #include<graphics.h>
 #include<math.h>
 #include<stdio.h>
 main()
 {int driver,mode;
 double q,t,w,v;
 double x[5],y[5],x1[5],x2[5],y1[5],y2[5];
 int i,j,x0=50,y0=50,r=30,m=20,a=10,b=5,k,n;
 driver=DETECT;
 mode=0;
 t=(2*3.1415926)/5;
 v=(2*3.1415926)/12;

 initgraph(&driver,&mode," ");
 setcolor(14);
 setbkcolor(4);
for(i=0;i<=4;i++)
{q=t*i;
x[i]=r*cos(q)+x0;
y[i]=r*sin(q)+y0;}
moveto(x[0],y[0]);
lineto(x[2],y[2]);
lineto(x[4],y[4]);
lineto(x[1],y[1]);
lineto(x[3],y[3]);
lineto(x[0],y[0]);
lineto(x[2],y[2]);
setfillstyle(1,14);
floodfill(x0,y0,14);
for(i=0;i<=4;i++)
{q=t*i;
x1[i]=m*cos(q)+x0;
y1[i]=m*sin(q)+y0;
setfillstyle(1,14);
floodfill(x1[i],y1[i],14);}

for(j=0;j<=3;j++)
{w=v*j;
x2[j]=120*cos(w)-50*sin(w)+50*(1-cos(w))+50*sin(w);
y2[j]=120*sin(w)+50*cos(w)+50*(1-cos(w))-50*sin(w);
  for(k=0;k<=4;k++)
{q=t*k;
x[k]=a*cos(q)+x2[j];
y[k]=a*sin(q)+y2[j];}
moveto(x[0],y[0]);
lineto(x[2],y[2]);
lineto(x[4],y[4]);
lineto(x[1],y[1]);
lineto(x[3],y[3]);
lineto(x[0],y[0]);
lineto(x[2],y[2]);
setfillstyle(1,14);
floodfill(x2[j],y2[j],14);   for(k=0;k<=4;k++)
{q=t*k;
x1[k]=b*cos(q)+x2[j];
y1[k]=b*sin(q)+y2[j];
setfillstyle(1,14);
floodfill(x1[k],y1[k],14);}

   }

 getch();
 closegraph();}