uaveiro-leci/1ano/fp/aula10/recmickey.py

36 lines
819 B
Python

import sys
from ezgraphics import GraphicsWindow
def circle(canvas, x, y, r):
"""Draw a filled circle with center (x, y) and radius r."""
canvas.drawOval(x - r, y - r, 2 * r, 2 * r)
# Draw a Mickey fractal with n levels.
# n=1 produces a circle, n=2 produces a familiar face.
def mickeyFractal(canvas, x, y, r, n):
# The largest circle has center (x, y) and radius r.
circle(canvas, x, y, r)
if n == 1:
return
mickeyFractal(canvas, x - r, y - r, r / 2, n - 1)
mickeyFractal(canvas, x + r, y - r, r / 2, n - 1)
def main():
UNIT = 32
win = GraphicsWindow(4 * UNIT, 4 + 3 * UNIT)
canvas = win.canvas()
canvas.setColor("cyan")
canvas.setOutline("black")
n = int(sys.argv[1])
mickeyFractal(canvas, 2 * UNIT, 2 * UNIT, UNIT, n)
win.wait()
main()