美丽的彩色时钟

#include<math.h>
#include<dos.h>
#include<graphics.h>
#define CENTERX 320
#define CENTERY 175
#define CLICK 100
#define CLICKDELAY 30
#define HEBEEP 10000
#define LOWBEEP 500
#define BEEPDELAY 200

int Mrk_1[8]={-5,-160,5,-160,5,-130,-5,-130, };
int Mrk_2[8]={-5,-160,5,-160,2,-130,-2-130, };

int HourHand[8]={-3,-100,3,-120,4, 10,-4,10};

int MiHand[8]={-3,-120,3,-120,4, 10,-4,10};

int SecHand[8]={-2,-150,2,-150,3, 10,-3,10};

void Click()
{
   sound(CLICK);
   delay(CLICKDELAY);
   nosound();
}

void  HighBeep()
{
   sound(HEBEEP);
   delay(BEEPDELAY);
   nosound;
}

void LowBeep()
{
   sound(LOWBEEP);
}

void DrawPoly(int *data,int angle,int color)
{
   int usedata[8];
   float sinang,cosang;
   int i;
   sinang=sin((float)angle/180*3.14);
   cosang=cos((float)angle/180*3.14);
   for(i=0;i<8;i+=2)
 {
     usedata[i]  =CENTERX+ cosang*data[i]-sinang*data[i+1]+.5;
     usedata[i+1]=CENTERY+sinang*data[i]+cosang*data[i+1]+.5;
 }
   setfillstyle(SOLID_FILL,color);
   fillpoly(4,usedata);
}

void DrawClock(strUCt time *cutime)
{
   int ang;
   float hourrate,minrate,secrate;

   setbkcolor(BLUE);
   cleardevice();
   setcolor(WH99vE);

  for(ang=0;ang<360;ang+=90)
 {
    DrawPoly(Mrk_1,ang,WH99vE);
    DrawPoly(Mrk_2,ang+30,WH99vE);
    DrawPoly(Mrk_2,ang+60,WH99vE);
 }
  secrate=(float)cutime->ti_sec/60;
  minrate=((float)cutime->ti_min+secrate)/60;
  hourrate=(((float)cutime->ti_hour/12)+minrate)/12;
  ang=hourrate*360;
  DrawPoly(HourHand,ang,YELLOW);/*画时针*/
  ang=minrate*360;
  DrawPoly(MiHand,ang, GREEN);/*画分针*/
  ang=secrate*360;
  DrawPoly(SecHand,ang, RED);/*画秒针*/
}