# tk_3D_flat_animation.py

# tk_3D_flat_animation.py

import math
from tkinter import *

fov = 250

root = Tk()

ww = 600
hh = 600

w = Canvas(root,width=ww,height=hh)
w.pack()

class pixel:
    def __init__(self,x,y,z):
        self.x = x
        self.y = y
        self.z = z


pixels = []

for x in range(-400,400,25):
    for z in range(-250,250,25):
        pixels.append(pixel(x,40,z))

size = 1
def engine():
    w.delete("all")

    for pix in pixels:
        scale = fov/(max(1, fov+pix.z))

        x2d = pix.x * scale + ww / 2
        y2d = pix.y * scale + hh / 2

        w.create_oval(x2d-size,y2d-size,x2d+size,y2d+size)

        pix.z -= 2

        if pix.z < -fov:
            pix.z += 2*fov

    root.after(1,engine)

engine()

mainloop()