I am trying to make a bouncing DVD logo in tkinter, but I don't really know how to make it, it works with a ball, the logo doesn't move. The logo
# 1) create main window
from tkinter import *
from PIL import ImageTk, Image
fen = Tk()
fen.title('AllTech - Bouncing ball')
fen.resizable(False, False)
# 2) create canvas and ball
WIDTH, HEIGHT = 400, 300
canvas = Canvas(fen, width=WIDTH, height=HEIGHT)
canvas.pack()
img = ImageTk.PhotoImage(Image.open("dvd.gif"))
# ball = canvas.create_oval(10, 10, 50, 50, fill='black')
# 3) move the ball
xspeed = yspeed = 3
frame = Frame(fen, width=600, height=400)
frame.pack()
frame.place(anchor='center', relx=0.5, rely=0.5)
label = Label(frame, image = img)
label.pack()
def moveBall():
global xspeed, yspeed
canvas.move(canvas, xspeed, yspeed)
(leftPos, topPos, rightPos, bottomPos) = canvas.coords(img)
if leftPos <= 0 or rightPos >= WIDTH:
xspeed = -xspeed
if topPos <= 0 or bottomPos >= HEIGHT:
yspeed = -yspeed
img.after(30, moveBall)
canvas.after(30, moveBall)
fen.mainloop()
I tried with a ball ad it's work, but I don't know why, it doesn't with the logo.
You need to put the image using canvas.create_image()
and then you can move the image using canvas.move()
.
from tkinter import *
from PIL import ImageTk, Image
fen = Tk()
fen.title('AllTech - Bouncing ball')
fen.resizable(False, False)
WIDTH, HEIGHT = 400, 300
canvas = Canvas(fen, width=WIDTH, height=HEIGHT, bg="white")
canvas.pack()
img = ImageTk.PhotoImage(Image.open("dvd.gif"))
# put the image into canvas
logo = canvas.create_image(0, 0, image=img, anchor="nw")
xspeed = yspeed = 3
def moveLogo():
global xspeed, yspeed
# move the image
canvas.move(logo, xspeed, yspeed)
# get bounding box of the image
(leftPos, topPos, rightPos, bottomPos) = canvas.bbox(logo)
if leftPos <= 0 or rightPos >= WIDTH:
xspeed = -xspeed
if topPos <= 0 or bottomPos >= HEIGHT:
yspeed = -yspeed
canvas.after(30, moveLogo)
canvas.after(30, moveLogo)
fen.mainloop()