public class CliMandelbrot
{
	private static final java.awt.geom.Point2D ORIGIN=new java.awt.geom.Point2D.Double(0,0);
	public static final String ANSI_RESET = "\u001B[0m";
	public static final String ANSI_BLACK_BACKGROUND = "\u001B[40m";
	public static final String ANSI_RED_BACKGROUND = "\u001B[41m";
	public static final String ANSI_GREEN_BACKGROUND = "\u001B[42m";
	public static final String ANSI_YELLOW_BACKGROUND = "\u001B[43m";
	public static final String ANSI_BLUE_BACKGROUND = "\u001B[44m";
	public static final String ANSI_PURPLE_BACKGROUND = "\u001B[45m";
	public static final String ANSI_CYAN_BACKGROUND = "\u001B[46m";
	public static final String ANSI_WHITE_BACKGROUND = "\u001B[47m";
	private static java.lang.String[] colors=new java.lang.String[]{
	ANSI_BLACK_BACKGROUND,
	ANSI_PURPLE_BACKGROUND,
	ANSI_BLUE_BACKGROUND,
	ANSI_RED_BACKGROUND,
	ANSI_GREEN_BACKGROUND,
	ANSI_CYAN_BACKGROUND,
	ANSI_YELLOW_BACKGROUND,
	ANSI_WHITE_BACKGROUND,
	};

	private static int mandelbrot(double re, double im, int iterations)
	{
		double zre = 0;
		double zim = 0;
		int i=0;
		for (; i < iterations; ++i)
		{
			double sqre=zre*zre-zim*zim;
			double sqim=zre*zim*2;
			zre=sqre+re;
			zim=sqim+im;
			double A=ORIGIN.distance(zre,zim);
			if(A>2)
				break;
		}
		return i;
	}

	public static void main(java.lang.String[] args)
	{
		int iterations=50;
		double r = 0.25;
		double theta=0.3;
		double ymid=r*java.lang.Math.cos(theta)-1;//-java.lang.Math.E/7.0;//-0.75;//0;
		double xmid=r*java.lang.Math.sin(theta);//-java.lang.Math.E/20.0;//0.1;//-0.8;
		if(args.length>0)
		{
			try{
			iterations=java.lang.Integer.parseInt(args[0]);
			}catch(java.lang.Throwable t){}
		}
		int div=iterations/colors.length+1;

		int rows=28;
		int cols=90;

		double zoomfactor=100;

		double yspan=2/zoomfactor;
		double ystart=ymid+yspan*0.5;
		double ystep=yspan/(double)rows;
		double xspan=2.4/zoomfactor;
		double xstart=xmid-xspan*0.5;
		double xstep=xspan/(double)cols;

		for (int y=0;y<rows;++y) {
			for (int x=0;x<cols;++x) {
				int i = mandelbrot(xstart+(double)x*xstep,ystart-(double)y*ystep,iterations);
				if (i==iterations) {System.out.print("*");}
				else {System.out.print(colors[i/div]+" "+ANSI_RESET);}
			}
			System.out.println();
		}
		System.out.println(ystart+" "+(ystart-(double)rows*ystep));
	}
}