import java.awt.Color;
import java.awt.Graphics;

public class Star
{

    public void Update(Graphics g)
    {
        g.setColor(color);
        int i = (int)x;
        g.drawLine(i, y, i + speed4, y);
        x += speed;
        if(i > maxwidth)
            init_star();
    }

    private void init_star()
    {
        x = 1.0D;
        y = (int)(Math.random() * (double)maxheight);
        speed = Math.random() * (double)maxs + 1.0D;
        speed4 = (int)(speed * 4D);
        c = (int)(speed * (double)(255 / maxs));
	if(c<0){
		c= -c;
	}
	while(c>255){
		c= (int) ((double)c/2.0);
	}
        color = new Color(c, c, c);
    }

    Star(int i, int j)
    {
        maxs = 6;
        maxwidth = j;
        maxheight = i;
        init_star();
    }

    private int y;
    private int speed4;
    private double speed;
    private double x;
    private Color color;
    private int maxs;
    private int c;
    private int maxwidth;
    private int maxheight;
}