Demo/turtle/turtledemo_two_canvases.py

   1 #!/usr/bin/python
   2 ## DEMONSTRATES USE OF 2 CANVASES, SO CANNOT BE RUN IN DEMOVIEWER!
   3 """turtle example: Using TurtleScreen and RawTurtle
   4 for drawing on two distinct canvases.
   5 """
   6 from turtle import TurtleScreen, RawTurtle, TK
   7
   8 root = TK.Tk()
   9 cv1 = TK.Canvas(root, width=300, height=200, bg="#ddffff")
  10 cv2 = TK.Canvas(root, width=300, height=200, bg="#ffeeee")
  11 cv1.pack()
  12 cv2.pack()
  13
  14 s1 = TurtleScreen(cv1)
  15 s1.bgcolor(0.85, 0.85, 1)
  16 s2 = TurtleScreen(cv2)
  17 s2.bgcolor(1, 0.85, 0.85)
  18
  19 p = RawTurtle(s1)
  20 q = RawTurtle(s2)
  21
  22 p.color("red", "white")
  23 p.width(3)
  24 q.color("blue", "black")
  25 q.width(3)
  26
  27 for t in p,q:
  28     t.shape("turtle")
  29     t.lt(36)
  30
  31 q.lt(180)
  32
  33 for i in range(5):
  34     for t in p, q:
  35         t.fd(50)
  36         t.lt(72)
  37 for t in p,q:
  38     t.lt(54)
  39     t.pu()
  40     t.bk(50)
  41
  42 ## Want to get some info?
  43
  44 print s1, s2
  45 print p, q
  46 print s1.turtles()
  47 print s2.turtles()
  48
  49 TK.mainloop()