bgFile="b-wGrad.jpg"
mFile="red_circle.png"
gcFile="GreenCircle.png"
import pygame, sys
from pygame.locals import *

pygame.init()
screen=pygame.display.set_mode((500,375),0,32)
background=pygame.image.load(bgFile).convert()
cursor=pygame.image.load(mFile).convert_alpha()
cursor1=pygame.image.load(gcFile).convert_alpha()

x=-375
y=0
x1=110
y1=-35
clock=pygame.time.Clock()
speedx=350
speedy=350
speedx1=-350
speedy1=-350

while 1:

    for event in pygame.event.get():
        if event.type == QUIT:
            pygame.quit()
            sys.exit()

    screen.blit(background, (0,0))
    screen.blit(cursor, (x,y))
    screen.blit(cursor1, (x1,y1))

    milli=clock.tick()
    second= milli/1000.
    dmx = second*speedx
    dmy= second*speedy
    dmx1 = second*speedx1
    dmy1= second*speedy1
    x+=dmx
    y-=dmy
    x1+=dmx1
    y1-=dmy1

    if x>110:
        speedx=-speedx
        x+=-dmx

    if x1>455:
        speedx1=-speedx1
        x1+=-dmx1
    if y<-310:
        speedy=-speedy
        y-=-dmy

    if y1<-20:
        speedy1=-speedy1
        y-=-dmy1
    if y>75:
        speedy=-speedy
        y-=-dmy

    if y1>345:
        speedy1=-speedy1
        y1-=-dmy1
    if x<-390:
        speedx=-speedx
        x+=-dmx

    if x1<-10:
        speedx1=-speedx1
        x+=-dmx1


    pygame.display.flip()