1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
from wrappers import Turtle
# KEA 2004-08-08
# workaround for Mac not updating display until idle
import wx
def draw(canvas):
# top left corner is 0,0 and bottom right is some positive x and positive y
# so the coordinate space is not like a Logo turtle where 0,0 is the center
# of the screen
# these are returning the screen dimensions, not the width of the dc
#print dc_local.GetSize()
#print dc_local.GetSizeTuple()
#print dc_local.GetClippingBox()
t1 = Turtle(canvas)
# background is shared among all turtles
t1.setBackColor('black')
t1.color('red')
t1.showTurtle()
t1.turtleDelay(1)
t1.cls() # get rid of any previous drawing
t2 = Turtle(canvas)
t2.color('green')
t2.showTurtle()
t2.width(2)
t2.left(120)
t3 = Turtle(canvas)
t3.color('blue')
#t3.showTurtle()
t3.width(3)
t3.left(240)
t1.forward(50)
t2.forward(50)
t3.forward(50)
# for loop below is equivelant, need a better way of doing
# index range though
nList = ['1', '2', '3']
for i in nList:
eval('t' + i + '.pu()')
eval('t' + i + '.forward(50)')
eval('t' + i + '.pd()')
# KEA 2004-08-08
# workaround for Mac not updating display until idle
if wx.Platform == '__WXMAC__':
canvas.redraw()
tList = [t1, t2, t3]
for i in range(6):
[t.fd(80) for t in tList]
# huge delay so we can see the turtle
#for j in range(1000000): pass
[t.rt(60) for t in tList]
# huge delay so we can see the turtle
#for j in range(1000000): pass
# KEA 2004-08-08
# workaround for Mac not updating display until idle
if wx.Platform == '__WXMAC__':
canvas.redraw()
|
