֦i
v d Z ddl ddlmZmZ G d de Zd Ze dk( r e Z
e e
e yy) a& turtle-example-suite:
tdemo_fractalCurves.py
This program draws two fractal-curve-designs:
(1) A hilbert curve (in a box)
(2) A combination of Koch-curves.
The CurvesTurtle class and the fractal-curve-
methods are taken from the PythonCard example
scripts for turtle-graphics.
)*)sleep perf_counterc e Zd Zd Zd Zd Zy) CurvesTurtlec |dk( ry | j |dz | j ||dz
| | j | | j |dz | j ||dz
| | j | | j ||dz
| | j |dz | j | | j ||dz
| | j |dz y )Nr Z )lefthilbertforwardright)selfsizelevelparitys 1/usr/lib64/python3.12/turtledemo/fractalcurves.pyr zCurvesTurtle.hilbert s A: &2+ T519vg. T
6B; T519f- T T519f-
6B; T T519vg.
&2+ c dd l }d|z |j |j |z z }| j | j | | j | j
dd|dz
z |z z
t | D ]) }| j ||| | j
d|z + | j dd|dz
z |z z
| j | j | | j y )Nr r ih ) mathsinpipufdpdrtrangefractalltbk)r nradlevdirr edgeis r
fractalgonzCurvesTurtle.fractalgon/ s 3w$''A+.. rQU|a'()qA LLsC ( GGC!G
rQU|a'() r c r |dk r| j | y | j |dz |dz
| | j d|z | j |dz |dz
| | j d|z | j |dz |dz
| | j d|z | j |dz |dz
| y )Nr
< x )r r r! r )r distdepthr& s r r zCurvesTurtle.fractalB s 19 GGDM TAXuqy#. S TAXuqy#. c TAXuqy#. S TAXuqy#.r N)__name__
__module__ __qualname__r r) r r r r r s
2&
/r r c t } | j | j d | j | j j dd | j
d}| j d|z d|z | j t }| j d | j | j | | j |dd | j | t d D ]- }| j d | j |d |d
z z z / | j
t d
D ]$ }| j | | j! d & | j t d D ]- }| j |d |d
z z z | j! d / | j# t }d
||z
z }t% d | j | j d | j | j j dd t }| j' dd | j | j) ddd d | j# | j | j' d | j) ddd d | j# t }|d||z
z z
}|S )Nr r
iiredr+ r @ r B zHilbert: %.2fsec. blackblue zKoch: %.2fsec.)r resetspeedht getscreentracerr setposr clock fillcolor
begin_fillr r r r! r end_fillr colorr) )ftr tar( tbress r mainrN N s+ BHHJHHQKEEGLLN!A EEG DIIc$hD!EEG wBLLMMOEE$KJJtQ EE$K
1X
b
dBqsFm EEG
1X
d
b EEG
1X
dBqsFm
b KKM wB 2b5 )C !HHHJHHQKEEGLLN!A wBHHWf MMOMM!S!Q KKMMMOHHUOMM!S!R KKM wB 2 &&C Jr __main__N)
__doc__turtletimer r rE Penr rN r0 msgprintmainloopr3 r r rW sG -;/3 ;/z7r
&C #J J r