C语言绘制简单时钟小程序

第C语言绘制简单时钟小程序本文实例为大家分享了C语言绘制时钟小程序的具体代码，供大家参考，具体内容如下

先贴效果图给大家先看看

基本机制是通过获取系统的时钟去绘制图线进行展示

贴出代码,大家可以直接使用的.程序我进一步的讲解

#includegraphics.h

#includeconio.h

#includemath.h

#includetime.h

#definehigh480

#definewidth640

#definepi3.141592

intmain()

initgraph(high,width);

intcenter_x,center_y;

center_y=width/2;

//320

center_x=high/2;//240

SYSTEMTIMEti;//获取系统的时间

//秒针属性

intsecondEnd_x,secondEnd_y;

intsecondLenth=120;

secondEnd_x=center_x+secondLenth;

secondEnd_y=center_y;

floatsecondAngle=0;

//分钟属性

intminuteEnd_x,minuteEnd_y;

floatminuteAngle=0;

intminuteLenth=90;

minuteEnd_x=center_x+minuteLenth;

minuteEnd_y=center_y+minuteLenth;

//

时钟属性

inthoursEnd_x,hoursEnd_y;

floathoursAngle=0;

inthoursLenth=60;

hoursEnd_x=center_x+hoursLenth;

hoursEnd_y=center_y+hoursLenth;

BeginBatchDraw();

while(1)

{

//获取时间

GetLocalTime(ti);

//绘制中心坐标

//setlinecolor(WHITE);

//fillcircle(center_x,center_y,2);

//绘制一个表盘

setbkcolor(BLACK);

setlinestyle(PS_SOLID,1);

setlinecolor(WHITE);

circle(center_x,center_y,130);

//outtextxy(center_x-25,center_y+width/6,"我的时钟");

//输出字符串(VC6)

TCHARs[]=_T("我的时钟");

outtextxy(210,400,s);

//绘制表盘刻度

int

x,y,i;

for(i=0;ii++)

{

x=center_x+125*sin(i*2*pi/60);

y=center_y-125*cos(i*2*pi/60);

//一刻钟

if(i%15==0)

{

bar(x-5,y-5,x+5,y+5);

}

elseif(i%5==0)//5分钟

{

circle(x,y,3);

}

else

{

putpixel(x,y,WHITE);//小白点

}

}

//转动秒针

secondAngle=ti.wSecond*2*pi/60;

//

2*pi/60=一秒钟走的角度

ti.wSecond

=系统当前秒

secondEnd_x=center_x+secondLenth*sin(secondAngle);

secondEnd_y=center_y-secondLenth*cos(secondAngle);

//转动分钟

minuteAngle=ti.wMinute*2*pi/60

+secondAngle/60;

minuteEnd_x=center_x+minuteLenth*sin(minuteAngle);

minuteEnd_y=center_y-minuteLenth*cos(minuteAngle);

//转动时钟

hoursAngle=ti.wHour*2*pi/12+minuteAngle/60;

hoursEnd_x=center_x+hoursLenth*sin(hoursAngle);

hoursEnd_y=center_y+hoursLenth*cos(hoursAngle);

//绘制秒针

setlinecolor(YELLOW);

setlinestyle(PS_SOLID,1);

line(center_x,center_y,secondEnd_x,secondEnd_y);

//绘制分钟

setlinecolor(BLUE);

setlinestyle(PS_SOLID,3);

line(center_x,center_y,minuteEnd_x,minuteEnd_y);

//绘制时钟

setlinecolor(RED);

setlinestyle(PS_SOLID,5);

line(center_x,center_y,hoursEnd_x,hoursEnd_y);

FlushBatchDraw();

Sleep(50);

//隐藏秒针

setlinecolor(BLACK);

line(center_x,center_y,secondEnd_x,secondEnd_y);

//隐藏分针

setlinecolor(BLACK);

line(center_x,center_y,minuteEnd_x,minuteEnd_y);

//隐藏时针

setlinecolor(BLACK);

line(center_x,center_y,hoursEnd_x,hoursEnd_y);

}

EndBatchDraw();

_getch();

closegraph();

return0;

}

第一：秒钟角度转动的讲解

1.首先数学基础不错的都知道,一个圆圈,一圈的角度是2,所以一秒就是2/60.

2.angle角度就是指和12点钟方向的夹角,比如1点和12