Mandelbrot (Windows)

Language: Hydrogene, Platform: Island, Category: Command Line
https://github.com/remobjects/ElementsSamples/tree/master/Hydrogene/Island/Command Line/Mandelbrot (Windows)

• Mandelbrot
  • References
    • gc
    • Island
    • rtl
  • Source Files
    • Program.cs
  • Other Files

Program.cs

namespace Mandelbrot
{

    /*
  This example demonstrates using varying density characters to render the
  Mandelbrot set out to stdout
  */

    public class ConsoleApp
    {
        public static void Main(String[] args)
        {
            const int cols = 78;
            const int lines = 30;
            const String chars = " .,`':;=|+ihIHEOQSB#$";
            const int maxIter = length(chars);

            var minRe = -2.0;
            var maxRe = 1.0;
            var minIm = -1.0;
            var maxIm = 1.0;
            var im = minIm;
            while (im <= maxIm)
            {
                var re = minRe;
                while (re <= maxRe)
                {
                    var zr = re;
                    var zi = im;
                    var n = -1;
                    while (n < maxIter-1)
                    {
                        n++;
                        var a = zr * zr;
                        var b = zi * zi;
                        if (a + b > 4.0)
                            break;
                        zi = 2 * zr * zi + im;
                        zr = a - b + re;
                    }
                    write(chars[n]);
                    re += (maxRe - minRe) / cols;
                }
                writeLn();
                im += (maxIm - minIm) / lines;
            }
            //Press ENTER to continue
            writeLn("Press ENTER to exit");
            Console.ReadLine(); 
        }
    }
}