28 lines
772 B
Python
28 lines
772 B
Python
# This script draws a Mandelbrot fractal set
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# N_iteration: degree of precision
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import kandinsky
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import ion
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import time
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N_iteration = 10
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for x in range(320):
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for y in range(222):
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# Compute the mandelbrot sequence for the point c = (c_r, c_i) with start value z = (z_r, z_i)
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z = complex(0,0)
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# Rescale to fit the drawing screen 320x222
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c = complex(3.5*x/319-2.5, -2.5*y/221+1.25)
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i = 0
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while (i < N_iteration) and abs(z) < 2:
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i = i + 1
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z = z*z+c
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# Choose the color of the dot from the Mandelbrot sequence
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rgb = int(255*i/N_iteration)
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col = kandinsky.color(int(rgb),int(rgb*0.75),int(rgb*0.25))
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# Draw a pixel colored in 'col' at position (x,y)
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kandinsky.set_pixel(x,y,col)
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while not ion.keydown(ion.KEY_EXE):
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time.sleep(0.1)
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