circuitpython/examples/mandel.py

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try:
import micropython
except:
pass
def mandelbrot():
# returns True if c, complex, is in the Mandelbrot set
@micropython.native
def in_set(c):
z = 0
for i in range(40):
z = z*z + c
if abs(z) > 60:
return False
return True
lcd.clear()
for u in range(91):
for v in range(31):
if in_set((u / 30 - 2) + (v / 15 - 1) * 1j):
lcd.set(u, v)
lcd.show()
# PC testing
import lcd
lcd = lcd.LCD(128, 32)
mandelbrot()