使用tkinter创建椭圆形的流体运动

我正在尝试使用tkinter创建Connect-Four.一旦将光盘放置在特定的列中,我希望它以流畅的运动下降到列的底部.

我尝试过使用Canvas类的move命令,但是不确定是否使用不正确,或者最好在每次迭代时删除并重新绘制椭圆形.目前,光盘确实在移动,但动作不流畅.它只是将其绘制在新位置.

这是光盘移动功能：

        counter = 0
    self.__canvas.create_oval(100,200,0,100, fill='yellow')
    self.__canvas.create_oval(100,300,0,200, fill='yellow')
    self.__canvas.create_oval(100,400,0,300, fill='brown')
    disc = self.__canvas.create_oval(200,400,100,300, fill='green')  # trying to move this specific disc
    while counter < 10:
         self.__canvas.move(disc, 0, counter)
         counter += 1

解决方法:

您必须调整移动步调,以使运动可见. canvas.after()允许您重复调用函数,在这种情况下,直到满足条件为止(磁盘到达目标位置)

工作代码段

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()

标签：python,python-3-x,tkinter,tkinter-canvas
来源： https://codeday.me/bug/20191013/1905427.html