First let me say I have not done much python programming!
I am running Python 2.7.3.
I am trying to use python as a front end to a simple oscilloscope.
Ultimately I intend to use it with my micropython board.
At the moment I am just developing it. All it does is use a module I found
called graphics.py to create a window and display randomly generated data.
Each time it goes through the outer loop it gets slower and slower.
I put in a small delay just so I could observe what is happening and for the
first line it draws it takes about a second. If I set it to loop 20 times the
final loop takes more than 6 seconds.
Can anyone explain what I am doing wrong please?
Here is the code:
[code]
#!/usr/bin/python
from graphics import *
import random
import time
xpos=1200
ypos=400
ypnt=ypos/2
pos=1
#setBackground("white")
def main():
win = GraphWin("My Circle", xpos, ypos)
# win.setBackGround('white')
for y in range(1,5):
cir2 = Circle(Point(xpos/2,20), 10)
cir2.setFill("white")
cir2.draw(win)
message = Text(Point(win.getWidth()/2, 20), y)
message.draw(win)
j = random.randint(1,ypos)
for x in range(1,xpos):
updown = random.randint(0,1)
if updown:
j=j+1
else:
j=j-1
if j <1:
j=ypos/2
if j>ypos-1:
j=ypos/2
win.plot(x,j,"red")
time.sleep(.0001)
main()
time.sleep(5)
[/code]
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