计算机图形学 飘动的红旗

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1、#include#include#include#include#include#include#defineUP   18432#defineDOWN20480#defineESC  283#definePI   3.1415926#defineS    8051voidxing(doubleox,doubleoy,doubler){   doublepointx[5],pointy[5],r1;   doublepointx1[5],pointy1[5];   i

2、nti,j,k;   r1=r*sin((18/180.0)*PI)/cos((36/180.0)*PI);   for(i=0;i<5;i++)   {       pointx[i]=ox+r*sin((72/180.0)*PI*i);       pointy[i]=oy-r*cos((72/180.0)*PI*i);   }   for(i=0;i<5;i++)   {       pointx1[i]=ox+sin(((72*i+36)/180.0)*PI)*r1;       pointy1[i]=oy-cos(((72*i+36)/180.0)*PI)*r1; 

3、  }   setcolor(14);   for(i=0;i<5;i++)   {       line(pointx[i],pointy[i],pointx1[i],pointy1[i]);       line(pointx1[i],pointy1[i],pointx[(i+1)%5],pointy[(i+1)%5]);   }   setfillstyle(1,14);   floodfill(ox,oy,14);}voidqi1(doubletx,doublety){   doublex;   setcolor(4);   moveto(tx,ty);   for(

4、x=0.0;x

5、fill(tx+10,ty+10,4);   setcolor(14);   setlinestyle(0,0,3);   line(tx,ty,tx,ty+300);   xing(tx+40,ty+40.0,25);   xing(tx+85.0,ty+20.0,8);   xing(tx+90.0,ty+45.0,8);   xing(tx+70.0,ty+70.0,8);   xing(tx+30.0,ty+80.0,8);}voidqi2(doubletx,doublety){   doublex;   setcolor(4);   moveto(tx,ty);  

6、 for(x=0.0;x

7、floodfill(tx+10,ty+10,4);   setcolor(14);   setlinestyle(0,0,3);   line(tx,ty,tx,ty+300);   xing(tx+40,ty+40.0,25);   xing(tx+85.0,ty+20.0,8);   xing(tx+90.0,ty+45.0,8);   xing(tx+70.0,ty+70.0,8);   xing(tx+30.0,ty+80.0,8);}voidwelcome(){   intmaxx,k;