Python code coverage for Lib/turtledemo/round_dance.py

#	count	content
1	n/a	""" turtle-example-suite:
2	n/a
3	n/a	tdemo_round_dance.py
4	n/a
5	n/a	(Needs version 1.1 of the turtle module that
6	n/a	comes with Python 3.1)
7	n/a
8	n/a	Dancing turtles have a compound shape
9	n/a	consisting of a series of triangles of
10	n/a	decreasing size.
11	n/a
12	n/a	Turtles march along a circle while rotating
13	n/a	pairwise in opposite direction, with one
14	n/a	exception. Does that breaking of symmetry
15	n/a	enhance the attractiveness of the example?
16	n/a
17	n/a	Press any key to stop the animation.
18	n/a
19	n/a	Technically: demonstrates use of compound
20	n/a	shapes, transformation of shapes as well as
21	n/a	cloning turtles. The animation is
22	n/a	controlled through update().
23	n/a	"""
24	n/a
25	n/a	from turtle import *
26	n/a
27	n/a	def stop():
28	n/a	global running
29	n/a	running = False
30	n/a
31	n/a	def main():
32	n/a	global running
33	n/a	clearscreen()
34	n/a	bgcolor("gray10")
35	n/a	tracer(False)
36	n/a	shape("triangle")
37	n/a	f = 0.793402
38	n/a	phi = 9.064678
39	n/a	s = 5
40	n/a	c = 1
41	n/a	# create compound shape
42	n/a	sh = Shape("compound")
43	n/a	for i in range(10):
44	n/a	shapesize(s)
45	n/a	p =get_shapepoly()
46	n/a	s *= f
47	n/a	c *= f
48	n/a	tilt(-phi)
49	n/a	sh.addcomponent(p, (c, 0.25, 1-c), "black")
50	n/a	register_shape("multitri", sh)
51	n/a	# create dancers
52	n/a	shapesize(1)
53	n/a	shape("multitri")
54	n/a	pu()
55	n/a	setpos(0, -200)
56	n/a	dancers = []
57	n/a	for i in range(180):
58	n/a	fd(7)
59	n/a	tilt(-4)
60	n/a	lt(2)
61	n/a	update()
62	n/a	if i % 12 == 0:
63	n/a	dancers.append(clone())
64	n/a	home()
65	n/a	# dance
66	n/a	running = True
67	n/a	onkeypress(stop)
68	n/a	listen()
69	n/a	cs = 1
70	n/a	while running:
71	n/a	ta = -4
72	n/a	for dancer in dancers:
73	n/a	dancer.fd(7)
74	n/a	dancer.lt(2)
75	n/a	dancer.tilt(ta)
76	n/a	ta = -4 if ta > 0 else 2
77	n/a	if cs < 180:
78	n/a	right(4)
79	n/a	shapesize(cs)
80	n/a	cs *= 1.005
81	n/a	update()
82	n/a	return "DONE!"
83	n/a
84	n/a	if __name__=='__main__':
85	n/a	print(main())
86	n/a	mainloop()