PATH:
opt
/
bitninja-python-dojo
/
embedded
/
lib
/
python3.9
/
turtledemo
# File: tdemo_chaos.py # Author: Gregor Lingl # Date: 2009-06-24 # A demonstration of chaos from turtle import * N = 80 def f(x): return 3.9*x*(1-x) def g(x): return 3.9*(x-x**2) def h(x): return 3.9*x-3.9*x*x def jumpto(x, y): penup(); goto(x,y) def line(x1, y1, x2, y2): jumpto(x1, y1) pendown() goto(x2, y2) def coosys(): line(-1, 0, N+1, 0) line(0, -0.1, 0, 1.1) def plot(fun, start, color): pencolor(color) x = start jumpto(0, x) pendown() dot(5) for i in range(N): x=fun(x) goto(i+1,x) dot(5) def main(): reset() setworldcoordinates(-1.0,-0.1, N+1, 1.1) speed(0) hideturtle() coosys() plot(f, 0.35, "blue") plot(g, 0.35, "green") plot(h, 0.35, "red") # Now zoom in: for s in range(100): setworldcoordinates(0.5*s,-0.1, N+1, 1.1) return "Done!" if __name__ == "__main__": main() mainloop()
[-] sorting_animate.py
[edit]
[-] nim.py
[edit]
[+]
..
[-] clock.py
[edit]
[-] yinyang.py
[edit]
[-] chaos.py
[edit]
[-] turtle.cfg
[edit]
[-] bytedesign.py
[edit]
[-] penrose.py
[edit]
[-] __main__.py
[edit]
[-] forest.py
[edit]
[-] colormixer.py
[edit]
[-] paint.py
[edit]
[+]
__pycache__
[-] __init__.py
[edit]
[-] peace.py
[edit]
[-] planet_and_moon.py
[edit]
[-] minimal_hanoi.py
[edit]
[-] fractalcurves.py
[edit]
[-] lindenmayer.py
[edit]
[-] rosette.py
[edit]
[-] tree.py
[edit]
[-] round_dance.py
[edit]
[-] two_canvases.py
[edit]