screen saver kind of thing with pygame

import pygame, sys, random, time, math
from pygame.locals import *

pygame.init()

width1 = 500
height1 = 340

scr1 = pygame.display.set_mode((width1,height1), 0, 32)

bimage = "gradient.jpg"
mimage = "ball.png"

background = pygame.image.load(bimage).convert()
mouse_c = pygame.image.load(mimage).convert_alpha()

ball = [0,0]
def generate_inc():
    theta = random.random() * 2 * math.pi
    x_inc = math.cos(theta)
    y_inc = math.sin(theta)
    print "Generated new increment:", (x_inc, y_inc)
    return x_inc, y_inc

x_inc, y_inc = generate_inc()

count = 0

while True:
    for event in pygame.event.get():
        if event.type == QUIT:
            pygame.quit()
            sys.exit()
        if event.type == KEYDOWN:
            x_inc, y_inc = generate_inc()

    if count == 2000:
        count = 0
        x_inc, y_inc = generate_inc()


    scr1.blit(background, (0,0))
    scr1.blit(mouse_c, tuple(ball))

    ball[0] = (ball[0] + x_inc)# % width1
    if ball[0] >= width1 or ball[0] <= 0:
        x_inc = -1 * x_inc
    ball[1] = (ball[1] + y_inc)# % height1
    if ball[1] >= height1 or ball[1] <= 0:
        y_inc = -1 * y_inc

    pygame.display.update()
    count += 1


##from Tkinter import *
##
##master = Tk()
##
##w = Canvas(master, width = 200, height = 100)
##w.pack()
##
##w.create_line(0, 0, 200, 100)
##w.create_line(0, 100, 200, 0, fill="red", dash = (4, 4))
##
##
##
##w.create_rectangle(50,25,150,75, fill="blue")
##
##mainloop()