#include	<stdio.h>
#include	<math.h>
#include	<graphics.h>
#include        <conio.h>
#include        <string.h>
#include        <stdlib.h>
#include        <time.h>
#include        <dos.h>
#include        <stdarg.h>

#define		BD_WID	100
#define		BD_HEI	50
#define		WL_RAD	10
#define		LV_LEN	100

void	cart(int x, int y, int deg, int flg);

void
main(void)
{
	int	gdrv = VGA, gmode = VGAHI;
	int	i, x, posx, posy, deg;
        

	initgraph(&gdrv, &gmode, "d:\\borlandc\\bgi");

	posx = 100;
	posy = 200;
	deg = -10;

	cart(posx, posy, deg, 1);

	for (i = 0; i < 30; i++)
	{
		x = posx + i * 10;
		cart(x , posy, deg, 1);
		delay(3000);
		cart(x , posy, deg, 0);
		deg += 3;
	}
	cart(x , posy, deg, 1);

	getch();
	closegraph();
}

void
cart(int x, int y, int deg, int flg)
{
	int	x1, x2, y1, y2;
	int	cx, col;
	double	rad;

	x1 = x;
	y1 = y;
	x2 = x1 + BD_WID;
	y2 = y1 + BD_HEI;
	col = (flg)? LIGHTGRAY: BLACK;
	setcolor(col);
	rectangle(x1, y1, x2, y2);

	cx = x1	+ WL_RAD * 1.8;
	col = (flg)? YELLOW: BLACK;
	setcolor(col);
	circle(cx, y2, WL_RAD);

	cx = x2 - WL_RAD * 1.8;
	circle(cx, y2, WL_RAD);

	cx = (x1 + x2 ) / 2;
	col = (flg)? LIGHTGRAY: BLACK;
	setcolor(col);
	arc(cx, y1, 0, 180, WL_RAD);

	x1 = x + BD_WID / 2;
	y1 = y;
	rad = deg * M_PI / 180.;
	x2 = x1 + LV_LEN * sin(rad);
	y2 = y1 - LV_LEN * cos(rad);

	col = (flg)? LIGHTRED: BLACK;
	setcolor(col);
	line(x1, y1, x2, y2);
}