C++ 航海钟(到点自动敲钟)

图形化用到了EasyX , 声音用到了beep函数

// 航海钟.cpp : 此文件包含 "main" 函数。程序执行将在此处开始并结束。
//

#include <iostream>
#include <windows.h>
#include <mmsystem.h>
#include <graphics.h>
#include<conio.h>
#include<easyx.h>
#include<cmath>
#include<string>

#define Width 640
#define High 480
#define PI 3.14159


using namespace std;



int main()
{
	initgraph(Width, High);
	int centX = Width / 2;
	int centY = High /2;
	int radus = High / 3 ;
	setcolor(WHITE);
	circle(centX,centY, radus);
	char group[] = "轮换开始";

	float secondLength = (0.8)*radus;
	float secondAngle = 0;
	float secondEndX = 0;
	float secondEndY = 0;

	float minuteLength = (0.5) * radus;
	float minuteAngle = 0;
	float minuteEndX = 0;
	float minuteEndY = 0;

	float hourLength = (0.3) * radus;
	float hourAngle = 0;
	float hourEndX = 0;
	float hourEndY = 0;

	SYSTEMTIME TI;

	BeginBatchDraw();

	for (int i = 1; i <= 12; i++)
	{
		if (i == 3)
		{
			setcolor(GREEN);
			solidcircle(centX + radus, centY, 2);
		}
		if (i == 6)
		{
			setcolor(GREEN);
			solidcircle(centX, centY + radus, 2);
		}
		if (i == 9)
		{
			setcolor(GREEN);
			solidcircle(centX - radus, centY, 2);
		}
		if (i == 12)
		{
			setcolor(GREEN);
			solidcircle(centX, centY-radus, 2);
		}
	}
	GetLocalTime(&TI);
		
	while (1)
	{
		GetLocalTime(&TI);
		secondAngle = TI.wSecond * 2 * PI / 60;
		secondEndX =centX+ sin(secondAngle) * secondLength;
		secondEndY = centY-cos(secondAngle) * secondLength;
		setcolor(WHITE);
		setlinestyle(PS_SOLID, 2);
		line(centX, centY, secondEndX, secondEndY);
		
		minuteAngle = TI.wMinute * 2 * PI / 60;
		minuteEndX = centX + sin(minuteAngle) * minuteLength;
		minuteEndY = centY - cos(minuteAngle) * minuteLength;
		setcolor(WHITE);
		setlinestyle(PS_SOLID, 4);
		line(centX, centY, minuteEndX, minuteEndY);

		hourAngle = TI.wHour * 2 * PI / 12;
		hourEndX = centX + sin(hourAngle) * hourLength;
		hourEndY = centY - cos(hourAngle) * hourLength;
		setcolor(WHITE);
		setlinestyle(PS_SOLID, 8);
		line(centX, centY, hourEndX, hourEndY);

		FlushBatchDraw();

		setcolor(BLACK);
		line(centX, centY, secondEndX, secondEndY);
		line(centX, centY, minuteEndX, minuteEndY);
		line(centX, centY, hourEndX, hourEndY);
		if (TI.wSecond == 10 || TI.wSecond == 50)//时间设置
		{
				Beep(300, 3000);
				Sleep(30);
		}
	}
	
	EndBatchDraw();
		

	_getch();				// 按任意键继续
	closegraph();			// 关闭绘图窗口

	
	return 0;
}

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原文链接：C++ 航海钟(到点自动敲钟)，转载请注明来源！