Newbie : this works in one direction but get the error on the return path
Gary Wood
pythonsky at sky.com
Wed Feb 25 10:31:25 EST 2009
'''Test animation of a group of objects making a face.
Combine the face elements in a function, and use it twice.
Have an extra level of repetition in the animation.
'''
from graphics import *
import time
def moveAll(shapeList, dx, dy):
''' Move all shapes in shapeList by (dx, dy).'''
for shape in shapeList:
shape.move(dx, dy)
def moveAllOnLine(shapeList, dx, dy, repetitions, delay):
'''Animate the shapes in shapeList along a line.
Move by (dx, dy) each time.
Repeat the specified number of repetitions.
Have the specified delay (in seconds) after each repeat.
'''
for i in range(repetitions):
moveAll(shapeList, dx, dy)
time.sleep(delay)
def makeFace(center, win):
'''display face centered at center in window win.
Return a list of the shapes in the face.
'''
head = Circle(center, 25)
head.setFill("yellow")
head.draw(win)
eye1Center = center.clone() #face positions are relative to the center
eye1Center.move(-10, 5) #locate further points in relation to others
eye1 = Circle(eye1Center, 5)
eye1.setFill('blue')
eye1.draw(win)
eye2End1 = eye1Center.clone()
eye2End1.move(15, 0)
eye2End2 = eye2End1.clone()
eye2End2.move(10, 0)
eye2 = Line(eye2End1, eye2End2)
eye2.setWidth(3)
eye2.draw(win)
noseTop = center.clone()
noseTop.move(0,0)
noseLeft = noseTop.clone()
noseLeft.move(-2,-2)
noseRight = noseLeft.clone()
noseRight.move(5,0)
nose = Polygon(noseTop,noseLeft,noseRight)
nose.draw(win)
mouthCorner1 = center.clone()
mouthCorner1.move(-10, -10)
mouthCorner2 = mouthCorner1.clone()
mouthCorner2.move(20, -5)
mouth = Oval(mouthCorner1, mouthCorner2)
mouth.setFill("red")
mouth.draw(win)
return [head, eye1, eye2,nose, mouth]
def main():
winWidth = 300
winHeight = 300
win = GraphWin('Back and Forth', winWidth, winHeight)
win.setCoords(0, 0, winWidth, winHeight) #make right side up coordinates!
rect = Rectangle(Point(200, 90), Point(220, 100))
rect.setFill("blue")
rect.draw(win)
faceList = makeFace(Point(40, 100), win)
faceList2 = makeFace(Point(150,125), win)
stepsAcross = 40
dx = 5
dy = 3
wait = .1
for i in range(2):
moveAllOnLine(faceList, dx, 0, stepsAcross, wait)
moveAllOnLine(faceList, -dx, dy, stepsAcross/2, wait)
moveAllOnLine(faceList, -dx, -dy, stepsAcross//2, wait)
Text(Point(winWidth/2, 20), 'Click anywhere to quit.').draw(win)
win.getMouse()
win.close()
main()
Traceback (most recent call last):
File "E:/python/handson/backAndForth4.py", line 97, in <module>
main()
File "E:/python/handson/backAndForth4.py", line 90, in main
moveAllOnLine(faceList, -dx, dy, stepsAcross/2, wait)
File "E:/python/handson/backAndForth4.py", line 21, in moveAllOnLine
for i in range(repetitions):
TypeError: 'float' object cannot be interpreted as an integer
>>>
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