Creating fluid movement of an oval using tkinter

Question

I\'m trying to create Connect-Four using tkinter. Once a disc is placed in a certain column, I want it to descend to the bottom of the column in a fluid movement.

I\'ve

Answer 1

You must pace the calls to move so that the movement is visible; canvas.after() allows you to call a function repeatedly, in this case until a condition is met (the disk arrived at destination)

working code snippet

import tkinter as tk


def smooth_motion(counter):
     canvas.move(disc, 0, dy)
     counter -= 1
     if counter >= 0:
         canvas.after(10, smooth_motion, counter)

root = tk.Tk()
canvas = tk.Canvas(root, bg='cyan')
canvas.pack()

counter = 100
disc = canvas.create_oval(200, 0, 210, 10, fill='green')
dy = (100 - 0) / counter
smooth_motion(counter)

root.mainloop()

Answer 2

You're missing function which shows changes to canvas - canvas.update(), try writing it after canvas.move().