mandelbrotGraphics.frink

View or download mandelbrotGraphics.frink in plain text format

/** This is a very simple demonstration program that shows the basics of
    calculating the Mandelbrot set and displaying it as graphics. */


// Maximum levels for each pixel.
levels = 60

// Create a random color for each level.
colors = new array[[levels]]
for a = 0 to levels-1
   colors@a = new color[randomFloat[0,1], randomFloat[0,1], randomFloat[0,1]]

// Make this number smaller for higher resolution.
stepsize = .005

g = new graphics
g.antialiased[false]

for im = -1.2 to 1.2 step stepsize
{
   imag = i * im
   for real = -2 to 1 step stepsize
   {  
      C = real + imag
      z = 0
      count = -1

      do
      {
         z = z^2 + C
         count=count+1;
      } while abs[z] < 4 and count < levels

      g.color[colors@((count-1) mod levels)]
      g.fillRectSize[real, im, stepsize, stepsize]
   }
}

g.show[]


View or download mandelbrotGraphics.frink in plain text format


This is a program written in the programming language Frink.
For more information, view the Frink Documentation or see More Sample Frink Programs.

Alan Eliasen was born 17983 days, 22 hours, 42 minutes ago.