Tkinter frame with bouncing balls in it. from sccd.runtime.libs import ui_v2 as ui import random CANVAS_DIMS = (800, 550) self.nr_of_fields = 0 self.window_id = window_id; self.event_name = event_name; self.canvas_id = canvas_id; self.r = 20.0; self.vel = {'x': 1, 'y': 1}; self.pos = {'x': x, 'y': y}; self.smooth = 0.6; # value between 0 and 1