C语言模拟时钟转动程序.doc

#includegraphics.h#includemath.h#includedos.h#define pi 3.#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;i60;i+) /*划钟点上的短线*/ if(i%5=0) l=15; else l=5;