#define _CRT_SECURE_NO_WARNINGS
#include <conio.h>

#include <graphics.h>
#include <conio.h>
#include <math.h>

#define High 480
#define Width 640
#definePiI 3.14159 

int main()
{
	initgraph(Width, High);
	int center_x, center_y;
	center_x = Width / 2;
	center_y = High / 2;
	int secondLength;
	secondLength = Width / 5;

	int secondEnd_x, secondEnd_y;
	float secondAngle = 0;
	
	while(1)
	{
			secondEnd_x = center_x + secondLength * sin(secondAngle);
			secondEnd_y = center_y - secondLendth * cos(secondAngle);

			setlinestyle(PS_SOLID, 2);
			setcolor(WHITE);
			line(center_x, center_y, secondEnd_x, secondEnd_y);
			
			sleep(100);
			
			setcolor(BLACK);
			line(center_x, center_y, secondEnd_x, secondEnd_y);
			
			secondAngle = secondAngle * 2 * PI / 60;
	}

	
	getch();
	closegraph();
	return 0;
}