开发环境：turbo c 2.0模拟时钟转动程序代码

/*开发环境：turbo c 2.0模拟时钟转动程序代码*/
#include"graphics.h"
#include"math.h"
#include"dos.h"
#define pi 3.1415926
#define X(a,b,c) x=a*cos(b*c*pi/180-pi/2)+300
#define Y(a,b,c) y=a*sin(b*c*pi/180-pi/2)+240
#define d(a,b,c) X(a,b,c);Y(a,b,c);line(300,240,x,y)
void init() /*划时钟边框函数*/
{
int i,l,x1,x2,y1,y2;
setbkcolor(1);
circle(300,240,200);
circle(300,240,205);
circle(300,240,5);
for(i=0;i<60;i++) /*划钟点上的短线*/
{
if(i%5==0)
l=15;
else
l=5;
x1=200*sin(i*6*pi/180)+300;
y1=200*cos(i*6*pi/180)+240;
x2=(200-l)*sin(i*6*pi/180)+300;
y2=(200-l)*cos(i*6*pi/180)+240;
line(x1,y1,x2,y2);
}
}
main()
{