You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
55 lines
1.3 KiB
55 lines
1.3 KiB
#!/usr/bin/env python3
|
|
""" turtle-example-suite:
|
|
|
|
tdemo_paint.py
|
|
|
|
A simple event-driven paint program
|
|
|
|
- left mouse button moves turtle
|
|
- middle mouse button changes color
|
|
- right mouse button toogles betweem pen up
|
|
(no line drawn when the turtle moves) and
|
|
pen down (line is drawn). If pen up follows
|
|
at least two pen-down moves, the polygon that
|
|
includes the starting point is filled.
|
|
-------------------------------------------
|
|
Play around by clicking into the canvas
|
|
using all three mouse buttons.
|
|
-------------------------------------------
|
|
To exit press STOP button
|
|
-------------------------------------------
|
|
"""
|
|
from turtle import *
|
|
|
|
def switchupdown(x=0, y=0):
|
|
if pen()["pendown"]:
|
|
end_fill()
|
|
up()
|
|
else:
|
|
down()
|
|
begin_fill()
|
|
|
|
def changecolor(x=0, y=0):
|
|
global colors
|
|
colors = colors[1:]+colors[:1]
|
|
color(colors[0])
|
|
|
|
def main():
|
|
global colors
|
|
shape("circle")
|
|
resizemode("user")
|
|
shapesize(.5)
|
|
width(3)
|
|
colors=["red", "green", "blue", "yellow"]
|
|
color(colors[0])
|
|
switchupdown()
|
|
onscreenclick(goto,1)
|
|
onscreenclick(changecolor,2)
|
|
onscreenclick(switchupdown,3)
|
|
return "EVENTLOOP"
|
|
|
|
if __name__ == "__main__":
|
|
msg = main()
|
|
print(msg)
|
|
mainloop()
|