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# ascii animation of zooming a mandelbrot fractal, z=z^2+c
import os
import time
import platform
from server import Mandelbrot
res_x = 100
res_y = 40
def screen(start, width):
mandel = Mandelbrot()
dr = width / res_x
di = dr*(res_x/res_y)
di *= 0.8 # aspect ratio correction
lines = mandel.calc_lines(start, res_x, dr, di, 0, res_y)
return "\n".join(x[1] for x in lines)
def cls():
if platform.platform().startswith("Windows"):
os.system("cls")
else:
print(chr(27)+"[2J"+chr(27)+"[1;1H", end="") # ansi clear screen
def zoom():
start = -2.0-1.0j
width = 3.0
duration = 30.0
wallclock_start = time.time()
frames = 0
fps = 0
cls()
print("This is a mandelbrot zoom animation running without Pyro, in a single Python process.")
time.sleep(2)
while True:
time_passed = time.time() - wallclock_start
if time_passed >= duration:
break
actual_width = width * (1-time_passed/duration/1.1)
actual_start = start + (0.06-0.002j)*time_passed
frame = screen(actual_start, actual_width)
cls()
fps = frames/time_passed if time_passed > 0 else 0
print("%.1f FPS time=%.2f width=%.2f" % (fps, time_passed, actual_width))
print(frame)
frames += 1
print("Final FPS: %.2f" % fps)
if __name__ == "__main__":
zoom()
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