mandelbrot-fb.py

mandelbrotfbpy.py

from math import *
from kadinsky import set_pixel, color

def mandelbrot(N_iteration):
  for x in range(320):
    framebuffer = []
    for y in range(222):
# Compute the mandelbrot sequence for the point c = (c_r, c_i) with start value z = (z_r, z_i)
      z = complex(0,0)
# Rescale to fit the drawing screen 320x222
      c = complex(3.5*x/319-2.5, -2.5*y/221+1.25)
      i = 0
      while (i < N_iteration) and abs(z) < 2:
        i = i + 1
        z = z*z+c
# Choose the color of the dot from the Mandelbrot sequence
      rgb = int(255*i/N_iteration)
      col = kandinsky.color(int(rgb),int(rgb*0.75),int(rgb*0.25))
# Draw a pixel colored in 'col' at position (x,y)
      framebuffer.append((x,y,col))
#     set_pixel(x,y,col)
    for i in framebuffer:
        set_pixel(i[0],i[1],i[2])