import pygame
import random

def run_game():
    
    ## Initialize the pygame submodules and set up the display window.

    pygame.init()

    width = 640
    height = 480
    my_win = pygame.display.set_mode((width,height))


    ## load resources (images, sounds, ...)

    guy = pygame.image.load("WalkingSquare1.gif")
    guy = guy.convert()


    # initialize the guy's position and speed
    g_x = 100
    g_y = 100
    g_speed_x = 0
    g_speed_y = 0


    ## The game loop starts here.
    
    keepGoing = True    
    while (keepGoing):

        ## Handle events.

        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                keepGoing = False

        ## Update game objects

        g_x = g_x + g_speed_x
        g_y = g_y + g_speed_y


        ## Draw picture and update display

        my_win.fill(pygame.color.Color("green"))

        # put image in the picture at the desired location
        my_win.blit(guy,(g_x,g_y))

        pygame.display.update()

    ## The game loop ends here.

    pygame.quit()


## Call the function run_game.

run_game()