setcolor(2); line(x0,y0,x,y);}

来源：互联网发布：萌化软件编辑：程序博客网时间：2024/05/17 07:26

a=(2*PAI/16)*i;
　 x=ceil(x0+48*cos(a));
　 y=ceil(y0+48*sin(a)*B);
　 setcolor(2); line(x0,y0,x,y);}
setcolor(3);circle(x0,y0,60);
/* Make 0 time normal size letters */
settextstyle(DEFAULT_FONT,HORIZ_DIR,0);
outtextxy(10,170,"press a key");
getch();
setfillstyle(HATCH_FILL,YELLOW);
floodfill(202,100,WHITE);
getch();
for(k=0;k<=500;k++)
{
　 setcolor(3);
　 for(i=0;i<=16;i++)
　 {
　　 a=(2*PAI/16)*i+(2*PAI/180)*k;
　　 x=ceil(x0+48*cos(a));
　　 y=ceil(y0+48+sin(a)*B);
　　 setcolor(2); line(x0,y0,x,y);
　 }
　 for(j=1;j<=50;j++)
　 {
　　 a=(2*PAI/16)*i+(2*PAI/180)*k-1;
　　 x=ceil(x0+48*cos(a));
　　 y=ceil(y0+48*sin(a)*B);
　　 line(x0,y0,x,y);
　 }
}
restorecrtmode();

}

----------------------------------------------------------------------------------------------

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-----------------------------------------------------------------------------
【程序60】
题目：画图，综合例子。　　　
1.程序分析：
2.程序源代码：
#include "graphics.h"
#define LEFT 0
#define TOP 0
#define RIGHT 639
#define BOTTOM 479
#define LINES 400
#define MAXCOLOR 15
main()
{
int driver,mode,error;
int x1,y1;
int x2,y2;
int dx1,dy1,dx2,dy2,i=1;
int count=0;
int color=0;
driver=VGA;
mode=VGAHI;
initgraph(&driver,&mode,"");
x1=x2=y1=y2=10;
dx1=dy1=2;
dx2=dy2=3;
while(!kbhit())
{

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